ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/drivers/net/wireless/ath/ath10k/mac.c b/marvell/linux/drivers/net/wireless/ath/ath10k/mac.c
new file mode 100644
index 0000000..afa3cc9
--- /dev/null
+++ b/marvell/linux/drivers/net/wireless/ath/ath10k/mac.c
@@ -0,0 +1,9072 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Copyright (c) 2005-2011 Atheros Communications Inc.
+ * Copyright (c) 2011-2017 Qualcomm Atheros, Inc.
+ * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
+ */
+
+#include "mac.h"
+
+#include <net/cfg80211.h>
+#include <net/mac80211.h>
+#include <linux/etherdevice.h>
+#include <linux/acpi.h>
+#include <linux/of.h>
+
+#include "hif.h"
+#include "core.h"
+#include "debug.h"
+#include "wmi.h"
+#include "htt.h"
+#include "txrx.h"
+#include "testmode.h"
+#include "wmi-tlv.h"
+#include "wmi-ops.h"
+#include "wow.h"
+
+/*********/
+/* Rates */
+/*********/
+
+static struct ieee80211_rate ath10k_rates[] = {
+ { .bitrate = 10,
+ .hw_value = ATH10K_HW_RATE_CCK_LP_1M },
+ { .bitrate = 20,
+ .hw_value = ATH10K_HW_RATE_CCK_LP_2M,
+ .hw_value_short = ATH10K_HW_RATE_CCK_SP_2M,
+ .flags = IEEE80211_RATE_SHORT_PREAMBLE },
+ { .bitrate = 55,
+ .hw_value = ATH10K_HW_RATE_CCK_LP_5_5M,
+ .hw_value_short = ATH10K_HW_RATE_CCK_SP_5_5M,
+ .flags = IEEE80211_RATE_SHORT_PREAMBLE },
+ { .bitrate = 110,
+ .hw_value = ATH10K_HW_RATE_CCK_LP_11M,
+ .hw_value_short = ATH10K_HW_RATE_CCK_SP_11M,
+ .flags = IEEE80211_RATE_SHORT_PREAMBLE },
+
+ { .bitrate = 60, .hw_value = ATH10K_HW_RATE_OFDM_6M },
+ { .bitrate = 90, .hw_value = ATH10K_HW_RATE_OFDM_9M },
+ { .bitrate = 120, .hw_value = ATH10K_HW_RATE_OFDM_12M },
+ { .bitrate = 180, .hw_value = ATH10K_HW_RATE_OFDM_18M },
+ { .bitrate = 240, .hw_value = ATH10K_HW_RATE_OFDM_24M },
+ { .bitrate = 360, .hw_value = ATH10K_HW_RATE_OFDM_36M },
+ { .bitrate = 480, .hw_value = ATH10K_HW_RATE_OFDM_48M },
+ { .bitrate = 540, .hw_value = ATH10K_HW_RATE_OFDM_54M },
+};
+
+static struct ieee80211_rate ath10k_rates_rev2[] = {
+ { .bitrate = 10,
+ .hw_value = ATH10K_HW_RATE_REV2_CCK_LP_1M },
+ { .bitrate = 20,
+ .hw_value = ATH10K_HW_RATE_REV2_CCK_LP_2M,
+ .hw_value_short = ATH10K_HW_RATE_REV2_CCK_SP_2M,
+ .flags = IEEE80211_RATE_SHORT_PREAMBLE },
+ { .bitrate = 55,
+ .hw_value = ATH10K_HW_RATE_REV2_CCK_LP_5_5M,
+ .hw_value_short = ATH10K_HW_RATE_REV2_CCK_SP_5_5M,
+ .flags = IEEE80211_RATE_SHORT_PREAMBLE },
+ { .bitrate = 110,
+ .hw_value = ATH10K_HW_RATE_REV2_CCK_LP_11M,
+ .hw_value_short = ATH10K_HW_RATE_REV2_CCK_SP_11M,
+ .flags = IEEE80211_RATE_SHORT_PREAMBLE },
+
+ { .bitrate = 60, .hw_value = ATH10K_HW_RATE_OFDM_6M },
+ { .bitrate = 90, .hw_value = ATH10K_HW_RATE_OFDM_9M },
+ { .bitrate = 120, .hw_value = ATH10K_HW_RATE_OFDM_12M },
+ { .bitrate = 180, .hw_value = ATH10K_HW_RATE_OFDM_18M },
+ { .bitrate = 240, .hw_value = ATH10K_HW_RATE_OFDM_24M },
+ { .bitrate = 360, .hw_value = ATH10K_HW_RATE_OFDM_36M },
+ { .bitrate = 480, .hw_value = ATH10K_HW_RATE_OFDM_48M },
+ { .bitrate = 540, .hw_value = ATH10K_HW_RATE_OFDM_54M },
+};
+
+#define ATH10K_MAC_FIRST_OFDM_RATE_IDX 4
+
+#define ath10k_a_rates (ath10k_rates + ATH10K_MAC_FIRST_OFDM_RATE_IDX)
+#define ath10k_a_rates_size (ARRAY_SIZE(ath10k_rates) - \
+ ATH10K_MAC_FIRST_OFDM_RATE_IDX)
+#define ath10k_g_rates (ath10k_rates + 0)
+#define ath10k_g_rates_size (ARRAY_SIZE(ath10k_rates))
+
+#define ath10k_g_rates_rev2 (ath10k_rates_rev2 + 0)
+#define ath10k_g_rates_rev2_size (ARRAY_SIZE(ath10k_rates_rev2))
+
+#define ath10k_wmi_legacy_rates ath10k_rates
+
+static bool ath10k_mac_bitrate_is_cck(int bitrate)
+{
+ switch (bitrate) {
+ case 10:
+ case 20:
+ case 55:
+ case 110:
+ return true;
+ }
+
+ return false;
+}
+
+static u8 ath10k_mac_bitrate_to_rate(int bitrate)
+{
+ return DIV_ROUND_UP(bitrate, 5) |
+ (ath10k_mac_bitrate_is_cck(bitrate) ? BIT(7) : 0);
+}
+
+u8 ath10k_mac_hw_rate_to_idx(const struct ieee80211_supported_band *sband,
+ u8 hw_rate, bool cck)
+{
+ const struct ieee80211_rate *rate;
+ int i;
+
+ for (i = 0; i < sband->n_bitrates; i++) {
+ rate = &sband->bitrates[i];
+
+ if (ath10k_mac_bitrate_is_cck(rate->bitrate) != cck)
+ continue;
+
+ if (rate->hw_value == hw_rate)
+ return i;
+ else if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE &&
+ rate->hw_value_short == hw_rate)
+ return i;
+ }
+
+ return 0;
+}
+
+u8 ath10k_mac_bitrate_to_idx(const struct ieee80211_supported_band *sband,
+ u32 bitrate)
+{
+ int i;
+
+ for (i = 0; i < sband->n_bitrates; i++)
+ if (sband->bitrates[i].bitrate == bitrate)
+ return i;
+
+ return 0;
+}
+
+static int ath10k_mac_get_rate_hw_value(int bitrate)
+{
+ int i;
+ u8 hw_value_prefix = 0;
+
+ if (ath10k_mac_bitrate_is_cck(bitrate))
+ hw_value_prefix = WMI_RATE_PREAMBLE_CCK << 6;
+
+ for (i = 0; i < ARRAY_SIZE(ath10k_rates); i++) {
+ if (ath10k_rates[i].bitrate == bitrate)
+ return hw_value_prefix | ath10k_rates[i].hw_value;
+ }
+
+ return -EINVAL;
+}
+
+static int ath10k_mac_get_max_vht_mcs_map(u16 mcs_map, int nss)
+{
+ switch ((mcs_map >> (2 * nss)) & 0x3) {
+ case IEEE80211_VHT_MCS_SUPPORT_0_7: return BIT(8) - 1;
+ case IEEE80211_VHT_MCS_SUPPORT_0_8: return BIT(9) - 1;
+ case IEEE80211_VHT_MCS_SUPPORT_0_9: return BIT(10) - 1;
+ }
+ return 0;
+}
+
+static u32
+ath10k_mac_max_ht_nss(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN])
+{
+ int nss;
+
+ for (nss = IEEE80211_HT_MCS_MASK_LEN - 1; nss >= 0; nss--)
+ if (ht_mcs_mask[nss])
+ return nss + 1;
+
+ return 1;
+}
+
+static u32
+ath10k_mac_max_vht_nss(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
+{
+ int nss;
+
+ for (nss = NL80211_VHT_NSS_MAX - 1; nss >= 0; nss--)
+ if (vht_mcs_mask[nss])
+ return nss + 1;
+
+ return 1;
+}
+
+int ath10k_mac_ext_resource_config(struct ath10k *ar, u32 val)
+{
+ enum wmi_host_platform_type platform_type;
+ int ret;
+
+ if (test_bit(WMI_SERVICE_TX_MODE_DYNAMIC, ar->wmi.svc_map))
+ platform_type = WMI_HOST_PLATFORM_LOW_PERF;
+ else
+ platform_type = WMI_HOST_PLATFORM_HIGH_PERF;
+
+ ret = ath10k_wmi_ext_resource_config(ar, platform_type, val);
+
+ if (ret && ret != -EOPNOTSUPP) {
+ ath10k_warn(ar, "failed to configure ext resource: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+/**********/
+/* Crypto */
+/**********/
+
+static int ath10k_send_key(struct ath10k_vif *arvif,
+ struct ieee80211_key_conf *key,
+ enum set_key_cmd cmd,
+ const u8 *macaddr, u32 flags)
+{
+ struct ath10k *ar = arvif->ar;
+ struct wmi_vdev_install_key_arg arg = {
+ .vdev_id = arvif->vdev_id,
+ .key_idx = key->keyidx,
+ .key_len = key->keylen,
+ .key_data = key->key,
+ .key_flags = flags,
+ .macaddr = macaddr,
+ };
+
+ lockdep_assert_held(&arvif->ar->conf_mutex);
+
+ switch (key->cipher) {
+ case WLAN_CIPHER_SUITE_CCMP:
+ arg.key_cipher = ar->wmi_key_cipher[WMI_CIPHER_AES_CCM];
+ key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT;
+ break;
+ case WLAN_CIPHER_SUITE_TKIP:
+ arg.key_cipher = ar->wmi_key_cipher[WMI_CIPHER_TKIP];
+ arg.key_txmic_len = 8;
+ arg.key_rxmic_len = 8;
+ break;
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
+ arg.key_cipher = ar->wmi_key_cipher[WMI_CIPHER_WEP];
+ break;
+ case WLAN_CIPHER_SUITE_CCMP_256:
+ arg.key_cipher = ar->wmi_key_cipher[WMI_CIPHER_AES_CCM];
+ break;
+ case WLAN_CIPHER_SUITE_GCMP:
+ case WLAN_CIPHER_SUITE_GCMP_256:
+ arg.key_cipher = ar->wmi_key_cipher[WMI_CIPHER_AES_GCM];
+ break;
+ case WLAN_CIPHER_SUITE_BIP_GMAC_128:
+ case WLAN_CIPHER_SUITE_BIP_GMAC_256:
+ case WLAN_CIPHER_SUITE_BIP_CMAC_256:
+ case WLAN_CIPHER_SUITE_AES_CMAC:
+ WARN_ON(1);
+ return -EINVAL;
+ default:
+ ath10k_warn(ar, "cipher %d is not supported\n", key->cipher);
+ return -EOPNOTSUPP;
+ }
+
+ if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags))
+ key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
+
+ if (cmd == DISABLE_KEY) {
+ arg.key_cipher = ar->wmi_key_cipher[WMI_CIPHER_NONE];
+ arg.key_data = NULL;
+ }
+
+ return ath10k_wmi_vdev_install_key(arvif->ar, &arg);
+}
+
+static int ath10k_install_key(struct ath10k_vif *arvif,
+ struct ieee80211_key_conf *key,
+ enum set_key_cmd cmd,
+ const u8 *macaddr, u32 flags)
+{
+ struct ath10k *ar = arvif->ar;
+ int ret;
+ unsigned long time_left;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ reinit_completion(&ar->install_key_done);
+
+ if (arvif->nohwcrypt)
+ return 1;
+
+ ret = ath10k_send_key(arvif, key, cmd, macaddr, flags);
+ if (ret)
+ return ret;
+
+ time_left = wait_for_completion_timeout(&ar->install_key_done, 3 * HZ);
+ if (time_left == 0)
+ return -ETIMEDOUT;
+
+ return 0;
+}
+
+static int ath10k_install_peer_wep_keys(struct ath10k_vif *arvif,
+ const u8 *addr)
+{
+ struct ath10k *ar = arvif->ar;
+ struct ath10k_peer *peer;
+ int ret;
+ int i;
+ u32 flags;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (WARN_ON(arvif->vif->type != NL80211_IFTYPE_AP &&
+ arvif->vif->type != NL80211_IFTYPE_ADHOC &&
+ arvif->vif->type != NL80211_IFTYPE_MESH_POINT))
+ return -EINVAL;
+
+ spin_lock_bh(&ar->data_lock);
+ peer = ath10k_peer_find(ar, arvif->vdev_id, addr);
+ spin_unlock_bh(&ar->data_lock);
+
+ if (!peer)
+ return -ENOENT;
+
+ for (i = 0; i < ARRAY_SIZE(arvif->wep_keys); i++) {
+ if (arvif->wep_keys[i] == NULL)
+ continue;
+
+ switch (arvif->vif->type) {
+ case NL80211_IFTYPE_AP:
+ flags = WMI_KEY_PAIRWISE;
+
+ if (arvif->def_wep_key_idx == i)
+ flags |= WMI_KEY_TX_USAGE;
+
+ ret = ath10k_install_key(arvif, arvif->wep_keys[i],
+ SET_KEY, addr, flags);
+ if (ret < 0)
+ return ret;
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ ret = ath10k_install_key(arvif, arvif->wep_keys[i],
+ SET_KEY, addr,
+ WMI_KEY_PAIRWISE);
+ if (ret < 0)
+ return ret;
+
+ ret = ath10k_install_key(arvif, arvif->wep_keys[i],
+ SET_KEY, addr, WMI_KEY_GROUP);
+ if (ret < 0)
+ return ret;
+ break;
+ default:
+ WARN_ON(1);
+ return -EINVAL;
+ }
+
+ spin_lock_bh(&ar->data_lock);
+ peer->keys[i] = arvif->wep_keys[i];
+ spin_unlock_bh(&ar->data_lock);
+ }
+
+ /* In some cases (notably with static WEP IBSS with multiple keys)
+ * multicast Tx becomes broken. Both pairwise and groupwise keys are
+ * installed already. Using WMI_KEY_TX_USAGE in different combinations
+ * didn't seem help. Using def_keyid vdev parameter seems to be
+ * effective so use that.
+ *
+ * FIXME: Revisit. Perhaps this can be done in a less hacky way.
+ */
+ if (arvif->vif->type != NL80211_IFTYPE_ADHOC)
+ return 0;
+
+ if (arvif->def_wep_key_idx == -1)
+ return 0;
+
+ ret = ath10k_wmi_vdev_set_param(arvif->ar,
+ arvif->vdev_id,
+ arvif->ar->wmi.vdev_param->def_keyid,
+ arvif->def_wep_key_idx);
+ if (ret) {
+ ath10k_warn(ar, "failed to re-set def wpa key idxon vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int ath10k_clear_peer_keys(struct ath10k_vif *arvif,
+ const u8 *addr)
+{
+ struct ath10k *ar = arvif->ar;
+ struct ath10k_peer *peer;
+ int first_errno = 0;
+ int ret;
+ int i;
+ u32 flags = 0;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ spin_lock_bh(&ar->data_lock);
+ peer = ath10k_peer_find(ar, arvif->vdev_id, addr);
+ spin_unlock_bh(&ar->data_lock);
+
+ if (!peer)
+ return -ENOENT;
+
+ for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
+ if (peer->keys[i] == NULL)
+ continue;
+
+ /* key flags are not required to delete the key */
+ ret = ath10k_install_key(arvif, peer->keys[i],
+ DISABLE_KEY, addr, flags);
+ if (ret < 0 && first_errno == 0)
+ first_errno = ret;
+
+ if (ret < 0)
+ ath10k_warn(ar, "failed to remove peer wep key %d: %d\n",
+ i, ret);
+
+ spin_lock_bh(&ar->data_lock);
+ peer->keys[i] = NULL;
+ spin_unlock_bh(&ar->data_lock);
+ }
+
+ return first_errno;
+}
+
+bool ath10k_mac_is_peer_wep_key_set(struct ath10k *ar, const u8 *addr,
+ u8 keyidx)
+{
+ struct ath10k_peer *peer;
+ int i;
+
+ lockdep_assert_held(&ar->data_lock);
+
+ /* We don't know which vdev this peer belongs to,
+ * since WMI doesn't give us that information.
+ *
+ * FIXME: multi-bss needs to be handled.
+ */
+ peer = ath10k_peer_find(ar, 0, addr);
+ if (!peer)
+ return false;
+
+ for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
+ if (peer->keys[i] && peer->keys[i]->keyidx == keyidx)
+ return true;
+ }
+
+ return false;
+}
+
+static int ath10k_clear_vdev_key(struct ath10k_vif *arvif,
+ struct ieee80211_key_conf *key)
+{
+ struct ath10k *ar = arvif->ar;
+ struct ath10k_peer *peer;
+ u8 addr[ETH_ALEN];
+ int first_errno = 0;
+ int ret;
+ int i;
+ u32 flags = 0;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ for (;;) {
+ /* since ath10k_install_key we can't hold data_lock all the
+ * time, so we try to remove the keys incrementally
+ */
+ spin_lock_bh(&ar->data_lock);
+ i = 0;
+ list_for_each_entry(peer, &ar->peers, list) {
+ for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
+ if (peer->keys[i] == key) {
+ ether_addr_copy(addr, peer->addr);
+ peer->keys[i] = NULL;
+ break;
+ }
+ }
+
+ if (i < ARRAY_SIZE(peer->keys))
+ break;
+ }
+ spin_unlock_bh(&ar->data_lock);
+
+ if (i == ARRAY_SIZE(peer->keys))
+ break;
+ /* key flags are not required to delete the key */
+ ret = ath10k_install_key(arvif, key, DISABLE_KEY, addr, flags);
+ if (ret < 0 && first_errno == 0)
+ first_errno = ret;
+
+ if (ret)
+ ath10k_warn(ar, "failed to remove key for %pM: %d\n",
+ addr, ret);
+ }
+
+ return first_errno;
+}
+
+static int ath10k_mac_vif_update_wep_key(struct ath10k_vif *arvif,
+ struct ieee80211_key_conf *key)
+{
+ struct ath10k *ar = arvif->ar;
+ struct ath10k_peer *peer;
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ list_for_each_entry(peer, &ar->peers, list) {
+ if (ether_addr_equal(peer->addr, arvif->vif->addr))
+ continue;
+
+ if (ether_addr_equal(peer->addr, arvif->bssid))
+ continue;
+
+ if (peer->keys[key->keyidx] == key)
+ continue;
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vif vdev %i update key %i needs update\n",
+ arvif->vdev_id, key->keyidx);
+
+ ret = ath10k_install_peer_wep_keys(arvif, peer->addr);
+ if (ret) {
+ ath10k_warn(ar, "failed to update wep keys on vdev %i for peer %pM: %d\n",
+ arvif->vdev_id, peer->addr, ret);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+/*********************/
+/* General utilities */
+/*********************/
+
+static inline enum wmi_phy_mode
+chan_to_phymode(const struct cfg80211_chan_def *chandef)
+{
+ enum wmi_phy_mode phymode = MODE_UNKNOWN;
+
+ switch (chandef->chan->band) {
+ case NL80211_BAND_2GHZ:
+ switch (chandef->width) {
+ case NL80211_CHAN_WIDTH_20_NOHT:
+ if (chandef->chan->flags & IEEE80211_CHAN_NO_OFDM)
+ phymode = MODE_11B;
+ else
+ phymode = MODE_11G;
+ break;
+ case NL80211_CHAN_WIDTH_20:
+ phymode = MODE_11NG_HT20;
+ break;
+ case NL80211_CHAN_WIDTH_40:
+ phymode = MODE_11NG_HT40;
+ break;
+ case NL80211_CHAN_WIDTH_5:
+ case NL80211_CHAN_WIDTH_10:
+ case NL80211_CHAN_WIDTH_80:
+ case NL80211_CHAN_WIDTH_80P80:
+ case NL80211_CHAN_WIDTH_160:
+ phymode = MODE_UNKNOWN;
+ break;
+ }
+ break;
+ case NL80211_BAND_5GHZ:
+ switch (chandef->width) {
+ case NL80211_CHAN_WIDTH_20_NOHT:
+ phymode = MODE_11A;
+ break;
+ case NL80211_CHAN_WIDTH_20:
+ phymode = MODE_11NA_HT20;
+ break;
+ case NL80211_CHAN_WIDTH_40:
+ phymode = MODE_11NA_HT40;
+ break;
+ case NL80211_CHAN_WIDTH_80:
+ phymode = MODE_11AC_VHT80;
+ break;
+ case NL80211_CHAN_WIDTH_160:
+ phymode = MODE_11AC_VHT160;
+ break;
+ case NL80211_CHAN_WIDTH_80P80:
+ phymode = MODE_11AC_VHT80_80;
+ break;
+ case NL80211_CHAN_WIDTH_5:
+ case NL80211_CHAN_WIDTH_10:
+ phymode = MODE_UNKNOWN;
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+
+ WARN_ON(phymode == MODE_UNKNOWN);
+ return phymode;
+}
+
+static u8 ath10k_parse_mpdudensity(u8 mpdudensity)
+{
+/*
+ * 802.11n D2.0 defined values for "Minimum MPDU Start Spacing":
+ * 0 for no restriction
+ * 1 for 1/4 us
+ * 2 for 1/2 us
+ * 3 for 1 us
+ * 4 for 2 us
+ * 5 for 4 us
+ * 6 for 8 us
+ * 7 for 16 us
+ */
+ switch (mpdudensity) {
+ case 0:
+ return 0;
+ case 1:
+ case 2:
+ case 3:
+ /* Our lower layer calculations limit our precision to
+ * 1 microsecond
+ */
+ return 1;
+ case 4:
+ return 2;
+ case 5:
+ return 4;
+ case 6:
+ return 8;
+ case 7:
+ return 16;
+ default:
+ return 0;
+ }
+}
+
+int ath10k_mac_vif_chan(struct ieee80211_vif *vif,
+ struct cfg80211_chan_def *def)
+{
+ struct ieee80211_chanctx_conf *conf;
+
+ rcu_read_lock();
+ conf = rcu_dereference(vif->chanctx_conf);
+ if (!conf) {
+ rcu_read_unlock();
+ return -ENOENT;
+ }
+
+ *def = conf->def;
+ rcu_read_unlock();
+
+ return 0;
+}
+
+static void ath10k_mac_num_chanctxs_iter(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *conf,
+ void *data)
+{
+ int *num = data;
+
+ (*num)++;
+}
+
+static int ath10k_mac_num_chanctxs(struct ath10k *ar)
+{
+ int num = 0;
+
+ ieee80211_iter_chan_contexts_atomic(ar->hw,
+ ath10k_mac_num_chanctxs_iter,
+ &num);
+
+ return num;
+}
+
+static void
+ath10k_mac_get_any_chandef_iter(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *conf,
+ void *data)
+{
+ struct cfg80211_chan_def **def = data;
+
+ *def = &conf->def;
+}
+
+static void ath10k_wait_for_peer_delete_done(struct ath10k *ar, u32 vdev_id,
+ const u8 *addr)
+{
+ unsigned long time_left;
+ int ret;
+
+ if (test_bit(WMI_SERVICE_SYNC_DELETE_CMDS, ar->wmi.svc_map)) {
+ ret = ath10k_wait_for_peer_deleted(ar, vdev_id, addr);
+ if (ret) {
+ ath10k_warn(ar, "failed wait for peer deleted");
+ return;
+ }
+
+ time_left = wait_for_completion_timeout(&ar->peer_delete_done,
+ 5 * HZ);
+ if (!time_left)
+ ath10k_warn(ar, "Timeout in receiving peer delete response\n");
+ }
+}
+
+static int ath10k_peer_create(struct ath10k *ar,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ u32 vdev_id,
+ const u8 *addr,
+ enum wmi_peer_type peer_type)
+{
+ struct ath10k_vif *arvif;
+ struct ath10k_peer *peer;
+ int num_peers = 0;
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ num_peers = ar->num_peers;
+
+ /* Each vdev consumes a peer entry as well */
+ list_for_each_entry(arvif, &ar->arvifs, list)
+ num_peers++;
+
+ if (num_peers >= ar->max_num_peers)
+ return -ENOBUFS;
+
+ ret = ath10k_wmi_peer_create(ar, vdev_id, addr, peer_type);
+ if (ret) {
+ ath10k_warn(ar, "failed to create wmi peer %pM on vdev %i: %i\n",
+ addr, vdev_id, ret);
+ return ret;
+ }
+
+ ret = ath10k_wait_for_peer_created(ar, vdev_id, addr);
+ if (ret) {
+ ath10k_warn(ar, "failed to wait for created wmi peer %pM on vdev %i: %i\n",
+ addr, vdev_id, ret);
+ return ret;
+ }
+
+ spin_lock_bh(&ar->data_lock);
+
+ peer = ath10k_peer_find(ar, vdev_id, addr);
+ if (!peer) {
+ spin_unlock_bh(&ar->data_lock);
+ ath10k_warn(ar, "failed to find peer %pM on vdev %i after creation\n",
+ addr, vdev_id);
+ ath10k_wait_for_peer_delete_done(ar, vdev_id, addr);
+ return -ENOENT;
+ }
+
+ peer->vif = vif;
+ peer->sta = sta;
+
+ spin_unlock_bh(&ar->data_lock);
+
+ ar->num_peers++;
+
+ return 0;
+}
+
+static int ath10k_mac_set_kickout(struct ath10k_vif *arvif)
+{
+ struct ath10k *ar = arvif->ar;
+ u32 param;
+ int ret;
+
+ param = ar->wmi.pdev_param->sta_kickout_th;
+ ret = ath10k_wmi_pdev_set_param(ar, param,
+ ATH10K_KICKOUT_THRESHOLD);
+ if (ret) {
+ ath10k_warn(ar, "failed to set kickout threshold on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ param = ar->wmi.vdev_param->ap_keepalive_min_idle_inactive_time_secs;
+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param,
+ ATH10K_KEEPALIVE_MIN_IDLE);
+ if (ret) {
+ ath10k_warn(ar, "failed to set keepalive minimum idle time on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ param = ar->wmi.vdev_param->ap_keepalive_max_idle_inactive_time_secs;
+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param,
+ ATH10K_KEEPALIVE_MAX_IDLE);
+ if (ret) {
+ ath10k_warn(ar, "failed to set keepalive maximum idle time on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ param = ar->wmi.vdev_param->ap_keepalive_max_unresponsive_time_secs;
+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param,
+ ATH10K_KEEPALIVE_MAX_UNRESPONSIVE);
+ if (ret) {
+ ath10k_warn(ar, "failed to set keepalive maximum unresponsive time on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int ath10k_mac_set_rts(struct ath10k_vif *arvif, u32 value)
+{
+ struct ath10k *ar = arvif->ar;
+ u32 vdev_param;
+
+ vdev_param = ar->wmi.vdev_param->rts_threshold;
+ return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, value);
+}
+
+static int ath10k_peer_delete(struct ath10k *ar, u32 vdev_id, const u8 *addr)
+{
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ ret = ath10k_wmi_peer_delete(ar, vdev_id, addr);
+ if (ret)
+ return ret;
+
+ ret = ath10k_wait_for_peer_deleted(ar, vdev_id, addr);
+ if (ret)
+ return ret;
+
+ if (test_bit(WMI_SERVICE_SYNC_DELETE_CMDS, ar->wmi.svc_map)) {
+ unsigned long time_left;
+
+ time_left = wait_for_completion_timeout
+ (&ar->peer_delete_done, 5 * HZ);
+
+ if (!time_left) {
+ ath10k_warn(ar, "Timeout in receiving peer delete response\n");
+ return -ETIMEDOUT;
+ }
+ }
+
+ ar->num_peers--;
+
+ return 0;
+}
+
+static void ath10k_peer_map_cleanup(struct ath10k *ar, struct ath10k_peer *peer)
+{
+ int peer_id, i;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ for_each_set_bit(peer_id, peer->peer_ids,
+ ATH10K_MAX_NUM_PEER_IDS) {
+ ar->peer_map[peer_id] = NULL;
+ }
+
+ /* Double check that peer is properly un-referenced from
+ * the peer_map
+ */
+ for (i = 0; i < ARRAY_SIZE(ar->peer_map); i++) {
+ if (ar->peer_map[i] == peer) {
+ ath10k_warn(ar, "removing stale peer_map entry for %pM (ptr %pK idx %d)\n",
+ peer->addr, peer, i);
+ ar->peer_map[i] = NULL;
+ }
+ }
+
+ list_del(&peer->list);
+ kfree(peer);
+ ar->num_peers--;
+}
+
+static void ath10k_peer_cleanup(struct ath10k *ar, u32 vdev_id)
+{
+ struct ath10k_peer *peer, *tmp;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ spin_lock_bh(&ar->data_lock);
+ list_for_each_entry_safe(peer, tmp, &ar->peers, list) {
+ if (peer->vdev_id != vdev_id)
+ continue;
+
+ ath10k_warn(ar, "removing stale peer %pM from vdev_id %d\n",
+ peer->addr, vdev_id);
+
+ ath10k_peer_map_cleanup(ar, peer);
+ }
+ spin_unlock_bh(&ar->data_lock);
+}
+
+static void ath10k_peer_cleanup_all(struct ath10k *ar)
+{
+ struct ath10k_peer *peer, *tmp;
+ int i;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ spin_lock_bh(&ar->data_lock);
+ list_for_each_entry_safe(peer, tmp, &ar->peers, list) {
+ list_del(&peer->list);
+ kfree(peer);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(ar->peer_map); i++)
+ ar->peer_map[i] = NULL;
+
+ spin_unlock_bh(&ar->data_lock);
+
+ ar->num_peers = 0;
+ ar->num_stations = 0;
+}
+
+static int ath10k_mac_tdls_peer_update(struct ath10k *ar, u32 vdev_id,
+ struct ieee80211_sta *sta,
+ enum wmi_tdls_peer_state state)
+{
+ int ret;
+ struct wmi_tdls_peer_update_cmd_arg arg = {};
+ struct wmi_tdls_peer_capab_arg cap = {};
+ struct wmi_channel_arg chan_arg = {};
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ arg.vdev_id = vdev_id;
+ arg.peer_state = state;
+ ether_addr_copy(arg.addr, sta->addr);
+
+ cap.peer_max_sp = sta->max_sp;
+ cap.peer_uapsd_queues = sta->uapsd_queues;
+
+ if (state == WMI_TDLS_PEER_STATE_CONNECTED &&
+ !sta->tdls_initiator)
+ cap.is_peer_responder = 1;
+
+ ret = ath10k_wmi_tdls_peer_update(ar, &arg, &cap, &chan_arg);
+ if (ret) {
+ ath10k_warn(ar, "failed to update tdls peer %pM on vdev %i: %i\n",
+ arg.addr, vdev_id, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+/************************/
+/* Interface management */
+/************************/
+
+void ath10k_mac_vif_beacon_free(struct ath10k_vif *arvif)
+{
+ struct ath10k *ar = arvif->ar;
+
+ lockdep_assert_held(&ar->data_lock);
+
+ if (!arvif->beacon)
+ return;
+
+ if (!arvif->beacon_buf)
+ dma_unmap_single(ar->dev, ATH10K_SKB_CB(arvif->beacon)->paddr,
+ arvif->beacon->len, DMA_TO_DEVICE);
+
+ if (WARN_ON(arvif->beacon_state != ATH10K_BEACON_SCHEDULED &&
+ arvif->beacon_state != ATH10K_BEACON_SENT))
+ return;
+
+ dev_kfree_skb_any(arvif->beacon);
+
+ arvif->beacon = NULL;
+ arvif->beacon_state = ATH10K_BEACON_SCHEDULED;
+}
+
+static void ath10k_mac_vif_beacon_cleanup(struct ath10k_vif *arvif)
+{
+ struct ath10k *ar = arvif->ar;
+
+ lockdep_assert_held(&ar->data_lock);
+
+ ath10k_mac_vif_beacon_free(arvif);
+
+ if (arvif->beacon_buf) {
+ if (ar->bus_param.dev_type == ATH10K_DEV_TYPE_HL)
+ kfree(arvif->beacon_buf);
+ else
+ dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN,
+ arvif->beacon_buf,
+ arvif->beacon_paddr);
+ arvif->beacon_buf = NULL;
+ }
+}
+
+static inline int ath10k_vdev_setup_sync(struct ath10k *ar)
+{
+ unsigned long time_left;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (test_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags))
+ return -ESHUTDOWN;
+
+ time_left = wait_for_completion_timeout(&ar->vdev_setup_done,
+ ATH10K_VDEV_SETUP_TIMEOUT_HZ);
+ if (time_left == 0)
+ return -ETIMEDOUT;
+
+ return ar->last_wmi_vdev_start_status;
+}
+
+static int ath10k_monitor_vdev_start(struct ath10k *ar, int vdev_id)
+{
+ struct cfg80211_chan_def *chandef = NULL;
+ struct ieee80211_channel *channel = NULL;
+ struct wmi_vdev_start_request_arg arg = {};
+ int ret = 0;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ ieee80211_iter_chan_contexts_atomic(ar->hw,
+ ath10k_mac_get_any_chandef_iter,
+ &chandef);
+ if (WARN_ON_ONCE(!chandef))
+ return -ENOENT;
+
+ channel = chandef->chan;
+
+ arg.vdev_id = vdev_id;
+ arg.channel.freq = channel->center_freq;
+ arg.channel.band_center_freq1 = chandef->center_freq1;
+ arg.channel.band_center_freq2 = chandef->center_freq2;
+
+ /* TODO setup this dynamically, what in case we
+ * don't have any vifs?
+ */
+ arg.channel.mode = chan_to_phymode(chandef);
+ arg.channel.chan_radar =
+ !!(channel->flags & IEEE80211_CHAN_RADAR);
+
+ arg.channel.min_power = 0;
+ arg.channel.max_power = channel->max_power * 2;
+ arg.channel.max_reg_power = channel->max_reg_power * 2;
+ arg.channel.max_antenna_gain = channel->max_antenna_gain;
+
+ reinit_completion(&ar->vdev_setup_done);
+ reinit_completion(&ar->vdev_delete_done);
+
+ ret = ath10k_wmi_vdev_start(ar, &arg);
+ if (ret) {
+ ath10k_warn(ar, "failed to request monitor vdev %i start: %d\n",
+ vdev_id, ret);
+ return ret;
+ }
+
+ ret = ath10k_vdev_setup_sync(ar);
+ if (ret) {
+ ath10k_warn(ar, "failed to synchronize setup for monitor vdev %i start: %d\n",
+ vdev_id, ret);
+ return ret;
+ }
+
+ ret = ath10k_wmi_vdev_up(ar, vdev_id, 0, ar->mac_addr);
+ if (ret) {
+ ath10k_warn(ar, "failed to put up monitor vdev %i: %d\n",
+ vdev_id, ret);
+ goto vdev_stop;
+ }
+
+ ar->monitor_vdev_id = vdev_id;
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %i started\n",
+ ar->monitor_vdev_id);
+ return 0;
+
+vdev_stop:
+ ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id);
+ if (ret)
+ ath10k_warn(ar, "failed to stop monitor vdev %i after start failure: %d\n",
+ ar->monitor_vdev_id, ret);
+
+ return ret;
+}
+
+static int ath10k_monitor_vdev_stop(struct ath10k *ar)
+{
+ int ret = 0;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ ret = ath10k_wmi_vdev_down(ar, ar->monitor_vdev_id);
+ if (ret)
+ ath10k_warn(ar, "failed to put down monitor vdev %i: %d\n",
+ ar->monitor_vdev_id, ret);
+
+ reinit_completion(&ar->vdev_setup_done);
+ reinit_completion(&ar->vdev_delete_done);
+
+ ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id);
+ if (ret)
+ ath10k_warn(ar, "failed to to request monitor vdev %i stop: %d\n",
+ ar->monitor_vdev_id, ret);
+
+ ret = ath10k_vdev_setup_sync(ar);
+ if (ret)
+ ath10k_warn(ar, "failed to synchronize monitor vdev %i stop: %d\n",
+ ar->monitor_vdev_id, ret);
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %i stopped\n",
+ ar->monitor_vdev_id);
+ return ret;
+}
+
+static int ath10k_monitor_vdev_create(struct ath10k *ar)
+{
+ int bit, ret = 0;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (ar->free_vdev_map == 0) {
+ ath10k_warn(ar, "failed to find free vdev id for monitor vdev\n");
+ return -ENOMEM;
+ }
+
+ bit = __ffs64(ar->free_vdev_map);
+
+ ar->monitor_vdev_id = bit;
+
+ ret = ath10k_wmi_vdev_create(ar, ar->monitor_vdev_id,
+ WMI_VDEV_TYPE_MONITOR,
+ 0, ar->mac_addr);
+ if (ret) {
+ ath10k_warn(ar, "failed to request monitor vdev %i creation: %d\n",
+ ar->monitor_vdev_id, ret);
+ return ret;
+ }
+
+ ar->free_vdev_map &= ~(1LL << ar->monitor_vdev_id);
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d created\n",
+ ar->monitor_vdev_id);
+
+ return 0;
+}
+
+static int ath10k_monitor_vdev_delete(struct ath10k *ar)
+{
+ int ret = 0;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ ret = ath10k_wmi_vdev_delete(ar, ar->monitor_vdev_id);
+ if (ret) {
+ ath10k_warn(ar, "failed to request wmi monitor vdev %i removal: %d\n",
+ ar->monitor_vdev_id, ret);
+ return ret;
+ }
+
+ ar->free_vdev_map |= 1LL << ar->monitor_vdev_id;
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d deleted\n",
+ ar->monitor_vdev_id);
+ return ret;
+}
+
+static int ath10k_monitor_start(struct ath10k *ar)
+{
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ ret = ath10k_monitor_vdev_create(ar);
+ if (ret) {
+ ath10k_warn(ar, "failed to create monitor vdev: %d\n", ret);
+ return ret;
+ }
+
+ ret = ath10k_monitor_vdev_start(ar, ar->monitor_vdev_id);
+ if (ret) {
+ ath10k_warn(ar, "failed to start monitor vdev: %d\n", ret);
+ ath10k_monitor_vdev_delete(ar);
+ return ret;
+ }
+
+ ar->monitor_started = true;
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor started\n");
+
+ return 0;
+}
+
+static int ath10k_monitor_stop(struct ath10k *ar)
+{
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ ret = ath10k_monitor_vdev_stop(ar);
+ if (ret) {
+ ath10k_warn(ar, "failed to stop monitor vdev: %d\n", ret);
+ return ret;
+ }
+
+ ret = ath10k_monitor_vdev_delete(ar);
+ if (ret) {
+ ath10k_warn(ar, "failed to delete monitor vdev: %d\n", ret);
+ return ret;
+ }
+
+ ar->monitor_started = false;
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor stopped\n");
+
+ return 0;
+}
+
+static bool ath10k_mac_monitor_vdev_is_needed(struct ath10k *ar)
+{
+ int num_ctx;
+
+ /* At least one chanctx is required to derive a channel to start
+ * monitor vdev on.
+ */
+ num_ctx = ath10k_mac_num_chanctxs(ar);
+ if (num_ctx == 0)
+ return false;
+
+ /* If there's already an existing special monitor interface then don't
+ * bother creating another monitor vdev.
+ */
+ if (ar->monitor_arvif)
+ return false;
+
+ return ar->monitor ||
+ (!test_bit(ATH10K_FW_FEATURE_ALLOWS_MESH_BCAST,
+ ar->running_fw->fw_file.fw_features) &&
+ (ar->filter_flags & FIF_OTHER_BSS)) ||
+ test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
+}
+
+static bool ath10k_mac_monitor_vdev_is_allowed(struct ath10k *ar)
+{
+ int num_ctx;
+
+ num_ctx = ath10k_mac_num_chanctxs(ar);
+
+ /* FIXME: Current interface combinations and cfg80211/mac80211 code
+ * shouldn't allow this but make sure to prevent handling the following
+ * case anyway since multi-channel DFS hasn't been tested at all.
+ */
+ if (test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags) && num_ctx > 1)
+ return false;
+
+ return true;
+}
+
+static int ath10k_monitor_recalc(struct ath10k *ar)
+{
+ bool needed;
+ bool allowed;
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ needed = ath10k_mac_monitor_vdev_is_needed(ar);
+ allowed = ath10k_mac_monitor_vdev_is_allowed(ar);
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac monitor recalc started? %d needed? %d allowed? %d\n",
+ ar->monitor_started, needed, allowed);
+
+ if (WARN_ON(needed && !allowed)) {
+ if (ar->monitor_started) {
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor stopping disallowed monitor\n");
+
+ ret = ath10k_monitor_stop(ar);
+ if (ret)
+ ath10k_warn(ar, "failed to stop disallowed monitor: %d\n",
+ ret);
+ /* not serious */
+ }
+
+ return -EPERM;
+ }
+
+ if (needed == ar->monitor_started)
+ return 0;
+
+ if (needed)
+ return ath10k_monitor_start(ar);
+ else
+ return ath10k_monitor_stop(ar);
+}
+
+static bool ath10k_mac_can_set_cts_prot(struct ath10k_vif *arvif)
+{
+ struct ath10k *ar = arvif->ar;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (!arvif->is_started) {
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "defer cts setup, vdev is not ready yet\n");
+ return false;
+ }
+
+ return true;
+}
+
+static int ath10k_mac_set_cts_prot(struct ath10k_vif *arvif)
+{
+ struct ath10k *ar = arvif->ar;
+ u32 vdev_param;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ vdev_param = ar->wmi.vdev_param->protection_mode;
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d cts_protection %d\n",
+ arvif->vdev_id, arvif->use_cts_prot);
+
+ return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
+ arvif->use_cts_prot ? 1 : 0);
+}
+
+static int ath10k_recalc_rtscts_prot(struct ath10k_vif *arvif)
+{
+ struct ath10k *ar = arvif->ar;
+ u32 vdev_param, rts_cts = 0;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ vdev_param = ar->wmi.vdev_param->enable_rtscts;
+
+ rts_cts |= SM(WMI_RTSCTS_ENABLED, WMI_RTSCTS_SET);
+
+ if (arvif->num_legacy_stations > 0)
+ rts_cts |= SM(WMI_RTSCTS_ACROSS_SW_RETRIES,
+ WMI_RTSCTS_PROFILE);
+ else
+ rts_cts |= SM(WMI_RTSCTS_FOR_SECOND_RATESERIES,
+ WMI_RTSCTS_PROFILE);
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d recalc rts/cts prot %d\n",
+ arvif->vdev_id, rts_cts);
+
+ return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
+ rts_cts);
+}
+
+static int ath10k_start_cac(struct ath10k *ar)
+{
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ set_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
+
+ ret = ath10k_monitor_recalc(ar);
+ if (ret) {
+ ath10k_warn(ar, "failed to start monitor (cac): %d\n", ret);
+ clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
+ return ret;
+ }
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac cac start monitor vdev %d\n",
+ ar->monitor_vdev_id);
+
+ return 0;
+}
+
+static int ath10k_stop_cac(struct ath10k *ar)
+{
+ lockdep_assert_held(&ar->conf_mutex);
+
+ /* CAC is not running - do nothing */
+ if (!test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags))
+ return 0;
+
+ clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
+ ath10k_monitor_stop(ar);
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac cac finished\n");
+
+ return 0;
+}
+
+static void ath10k_mac_has_radar_iter(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *conf,
+ void *data)
+{
+ bool *ret = data;
+
+ if (!*ret && conf->radar_enabled)
+ *ret = true;
+}
+
+static bool ath10k_mac_has_radar_enabled(struct ath10k *ar)
+{
+ bool has_radar = false;
+
+ ieee80211_iter_chan_contexts_atomic(ar->hw,
+ ath10k_mac_has_radar_iter,
+ &has_radar);
+
+ return has_radar;
+}
+
+static void ath10k_recalc_radar_detection(struct ath10k *ar)
+{
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ ath10k_stop_cac(ar);
+
+ if (!ath10k_mac_has_radar_enabled(ar))
+ return;
+
+ if (ar->num_started_vdevs > 0)
+ return;
+
+ ret = ath10k_start_cac(ar);
+ if (ret) {
+ /*
+ * Not possible to start CAC on current channel so starting
+ * radiation is not allowed, make this channel DFS_UNAVAILABLE
+ * by indicating that radar was detected.
+ */
+ ath10k_warn(ar, "failed to start CAC: %d\n", ret);
+ ieee80211_radar_detected(ar->hw);
+ }
+}
+
+static int ath10k_vdev_stop(struct ath10k_vif *arvif)
+{
+ struct ath10k *ar = arvif->ar;
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ reinit_completion(&ar->vdev_setup_done);
+ reinit_completion(&ar->vdev_delete_done);
+
+ ret = ath10k_wmi_vdev_stop(ar, arvif->vdev_id);
+ if (ret) {
+ ath10k_warn(ar, "failed to stop WMI vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ ret = ath10k_vdev_setup_sync(ar);
+ if (ret) {
+ ath10k_warn(ar, "failed to synchronize setup for vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ WARN_ON(ar->num_started_vdevs == 0);
+
+ if (ar->num_started_vdevs != 0) {
+ ar->num_started_vdevs--;
+ ath10k_recalc_radar_detection(ar);
+ }
+
+ return ret;
+}
+
+static int ath10k_vdev_start_restart(struct ath10k_vif *arvif,
+ const struct cfg80211_chan_def *chandef,
+ bool restart)
+{
+ struct ath10k *ar = arvif->ar;
+ struct wmi_vdev_start_request_arg arg = {};
+ int ret = 0;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ reinit_completion(&ar->vdev_setup_done);
+ reinit_completion(&ar->vdev_delete_done);
+
+ arg.vdev_id = arvif->vdev_id;
+ arg.dtim_period = arvif->dtim_period;
+ arg.bcn_intval = arvif->beacon_interval;
+
+ arg.channel.freq = chandef->chan->center_freq;
+ arg.channel.band_center_freq1 = chandef->center_freq1;
+ arg.channel.band_center_freq2 = chandef->center_freq2;
+ arg.channel.mode = chan_to_phymode(chandef);
+
+ arg.channel.min_power = 0;
+ arg.channel.max_power = chandef->chan->max_power * 2;
+ arg.channel.max_reg_power = chandef->chan->max_reg_power * 2;
+ arg.channel.max_antenna_gain = chandef->chan->max_antenna_gain;
+
+ if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
+ arg.ssid = arvif->u.ap.ssid;
+ arg.ssid_len = arvif->u.ap.ssid_len;
+ arg.hidden_ssid = arvif->u.ap.hidden_ssid;
+
+ /* For now allow DFS for AP mode */
+ arg.channel.chan_radar =
+ !!(chandef->chan->flags & IEEE80211_CHAN_RADAR);
+ } else if (arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
+ arg.ssid = arvif->vif->bss_conf.ssid;
+ arg.ssid_len = arvif->vif->bss_conf.ssid_len;
+ }
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac vdev %d start center_freq %d phymode %s\n",
+ arg.vdev_id, arg.channel.freq,
+ ath10k_wmi_phymode_str(arg.channel.mode));
+
+ if (restart)
+ ret = ath10k_wmi_vdev_restart(ar, &arg);
+ else
+ ret = ath10k_wmi_vdev_start(ar, &arg);
+
+ if (ret) {
+ ath10k_warn(ar, "failed to start WMI vdev %i: %d\n",
+ arg.vdev_id, ret);
+ return ret;
+ }
+
+ ret = ath10k_vdev_setup_sync(ar);
+ if (ret) {
+ ath10k_warn(ar,
+ "failed to synchronize setup for vdev %i restart %d: %d\n",
+ arg.vdev_id, restart, ret);
+ return ret;
+ }
+
+ ar->num_started_vdevs++;
+ ath10k_recalc_radar_detection(ar);
+
+ return ret;
+}
+
+static int ath10k_vdev_start(struct ath10k_vif *arvif,
+ const struct cfg80211_chan_def *def)
+{
+ return ath10k_vdev_start_restart(arvif, def, false);
+}
+
+static int ath10k_vdev_restart(struct ath10k_vif *arvif,
+ const struct cfg80211_chan_def *def)
+{
+ return ath10k_vdev_start_restart(arvif, def, true);
+}
+
+static int ath10k_mac_setup_bcn_p2p_ie(struct ath10k_vif *arvif,
+ struct sk_buff *bcn)
+{
+ struct ath10k *ar = arvif->ar;
+ struct ieee80211_mgmt *mgmt;
+ const u8 *p2p_ie;
+ int ret;
+
+ if (arvif->vif->type != NL80211_IFTYPE_AP || !arvif->vif->p2p)
+ return 0;
+
+ mgmt = (void *)bcn->data;
+ p2p_ie = cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P,
+ mgmt->u.beacon.variable,
+ bcn->len - (mgmt->u.beacon.variable -
+ bcn->data));
+ if (!p2p_ie)
+ return -ENOENT;
+
+ ret = ath10k_wmi_p2p_go_bcn_ie(ar, arvif->vdev_id, p2p_ie);
+ if (ret) {
+ ath10k_warn(ar, "failed to submit p2p go bcn ie for vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int ath10k_mac_remove_vendor_ie(struct sk_buff *skb, unsigned int oui,
+ u8 oui_type, size_t ie_offset)
+{
+ size_t len;
+ const u8 *next;
+ const u8 *end;
+ u8 *ie;
+
+ if (WARN_ON(skb->len < ie_offset))
+ return -EINVAL;
+
+ ie = (u8 *)cfg80211_find_vendor_ie(oui, oui_type,
+ skb->data + ie_offset,
+ skb->len - ie_offset);
+ if (!ie)
+ return -ENOENT;
+
+ len = ie[1] + 2;
+ end = skb->data + skb->len;
+ next = ie + len;
+
+ if (WARN_ON(next > end))
+ return -EINVAL;
+
+ memmove(ie, next, end - next);
+ skb_trim(skb, skb->len - len);
+
+ return 0;
+}
+
+static int ath10k_mac_setup_bcn_tmpl(struct ath10k_vif *arvif)
+{
+ struct ath10k *ar = arvif->ar;
+ struct ieee80211_hw *hw = ar->hw;
+ struct ieee80211_vif *vif = arvif->vif;
+ struct ieee80211_mutable_offsets offs = {};
+ struct sk_buff *bcn;
+ int ret;
+
+ if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))
+ return 0;
+
+ if (arvif->vdev_type != WMI_VDEV_TYPE_AP &&
+ arvif->vdev_type != WMI_VDEV_TYPE_IBSS)
+ return 0;
+
+ bcn = ieee80211_beacon_get_template(hw, vif, &offs);
+ if (!bcn) {
+ ath10k_warn(ar, "failed to get beacon template from mac80211\n");
+ return -EPERM;
+ }
+
+ ret = ath10k_mac_setup_bcn_p2p_ie(arvif, bcn);
+ if (ret) {
+ ath10k_warn(ar, "failed to setup p2p go bcn ie: %d\n", ret);
+ kfree_skb(bcn);
+ return ret;
+ }
+
+ /* P2P IE is inserted by firmware automatically (as configured above)
+ * so remove it from the base beacon template to avoid duplicate P2P
+ * IEs in beacon frames.
+ */
+ ath10k_mac_remove_vendor_ie(bcn, WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P,
+ offsetof(struct ieee80211_mgmt,
+ u.beacon.variable));
+
+ ret = ath10k_wmi_bcn_tmpl(ar, arvif->vdev_id, offs.tim_offset, bcn, 0,
+ 0, NULL, 0);
+ kfree_skb(bcn);
+
+ if (ret) {
+ ath10k_warn(ar, "failed to submit beacon template command: %d\n",
+ ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int ath10k_mac_setup_prb_tmpl(struct ath10k_vif *arvif)
+{
+ struct ath10k *ar = arvif->ar;
+ struct ieee80211_hw *hw = ar->hw;
+ struct ieee80211_vif *vif = arvif->vif;
+ struct sk_buff *prb;
+ int ret;
+
+ if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))
+ return 0;
+
+ if (arvif->vdev_type != WMI_VDEV_TYPE_AP)
+ return 0;
+
+ /* For mesh, probe response and beacon share the same template */
+ if (ieee80211_vif_is_mesh(vif))
+ return 0;
+
+ prb = ieee80211_proberesp_get(hw, vif);
+ if (!prb) {
+ ath10k_warn(ar, "failed to get probe resp template from mac80211\n");
+ return -EPERM;
+ }
+
+ ret = ath10k_wmi_prb_tmpl(ar, arvif->vdev_id, prb);
+ kfree_skb(prb);
+
+ if (ret) {
+ ath10k_warn(ar, "failed to submit probe resp template command: %d\n",
+ ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int ath10k_mac_vif_fix_hidden_ssid(struct ath10k_vif *arvif)
+{
+ struct ath10k *ar = arvif->ar;
+ struct cfg80211_chan_def def;
+ int ret;
+
+ /* When originally vdev is started during assign_vif_chanctx() some
+ * information is missing, notably SSID. Firmware revisions with beacon
+ * offloading require the SSID to be provided during vdev (re)start to
+ * handle hidden SSID properly.
+ *
+ * Vdev restart must be done after vdev has been both started and
+ * upped. Otherwise some firmware revisions (at least 10.2) fail to
+ * deliver vdev restart response event causing timeouts during vdev
+ * syncing in ath10k.
+ *
+ * Note: The vdev down/up and template reinstallation could be skipped
+ * since only wmi-tlv firmware are known to have beacon offload and
+ * wmi-tlv doesn't seem to misbehave like 10.2 wrt vdev restart
+ * response delivery. It's probably more robust to keep it as is.
+ */
+ if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))
+ return 0;
+
+ if (WARN_ON(!arvif->is_started))
+ return -EINVAL;
+
+ if (WARN_ON(!arvif->is_up))
+ return -EINVAL;
+
+ if (WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def)))
+ return -EINVAL;
+
+ ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
+ if (ret) {
+ ath10k_warn(ar, "failed to bring down ap vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ /* Vdev down reset beacon & presp templates. Reinstall them. Otherwise
+ * firmware will crash upon vdev up.
+ */
+
+ ret = ath10k_mac_setup_bcn_tmpl(arvif);
+ if (ret) {
+ ath10k_warn(ar, "failed to update beacon template: %d\n", ret);
+ return ret;
+ }
+
+ ret = ath10k_mac_setup_prb_tmpl(arvif);
+ if (ret) {
+ ath10k_warn(ar, "failed to update presp template: %d\n", ret);
+ return ret;
+ }
+
+ ret = ath10k_vdev_restart(arvif, &def);
+ if (ret) {
+ ath10k_warn(ar, "failed to restart ap vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
+ arvif->bssid);
+ if (ret) {
+ ath10k_warn(ar, "failed to bring up ap vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static void ath10k_control_beaconing(struct ath10k_vif *arvif,
+ struct ieee80211_bss_conf *info)
+{
+ struct ath10k *ar = arvif->ar;
+ int ret = 0;
+
+ lockdep_assert_held(&arvif->ar->conf_mutex);
+
+ if (!info->enable_beacon) {
+ ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
+ if (ret)
+ ath10k_warn(ar, "failed to down vdev_id %i: %d\n",
+ arvif->vdev_id, ret);
+
+ arvif->is_up = false;
+
+ spin_lock_bh(&arvif->ar->data_lock);
+ ath10k_mac_vif_beacon_free(arvif);
+ spin_unlock_bh(&arvif->ar->data_lock);
+
+ return;
+ }
+
+ arvif->tx_seq_no = 0x1000;
+
+ arvif->aid = 0;
+ ether_addr_copy(arvif->bssid, info->bssid);
+
+ ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
+ arvif->bssid);
+ if (ret) {
+ ath10k_warn(ar, "failed to bring up vdev %d: %i\n",
+ arvif->vdev_id, ret);
+ return;
+ }
+
+ arvif->is_up = true;
+
+ ret = ath10k_mac_vif_fix_hidden_ssid(arvif);
+ if (ret) {
+ ath10k_warn(ar, "failed to fix hidden ssid for vdev %i, expect trouble: %d\n",
+ arvif->vdev_id, ret);
+ return;
+ }
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d up\n", arvif->vdev_id);
+}
+
+static void ath10k_control_ibss(struct ath10k_vif *arvif,
+ struct ieee80211_bss_conf *info,
+ const u8 self_peer[ETH_ALEN])
+{
+ struct ath10k *ar = arvif->ar;
+ u32 vdev_param;
+ int ret = 0;
+
+ lockdep_assert_held(&arvif->ar->conf_mutex);
+
+ if (!info->ibss_joined) {
+ if (is_zero_ether_addr(arvif->bssid))
+ return;
+
+ eth_zero_addr(arvif->bssid);
+
+ return;
+ }
+
+ vdev_param = arvif->ar->wmi.vdev_param->atim_window;
+ ret = ath10k_wmi_vdev_set_param(arvif->ar, arvif->vdev_id, vdev_param,
+ ATH10K_DEFAULT_ATIM);
+ if (ret)
+ ath10k_warn(ar, "failed to set IBSS ATIM for vdev %d: %d\n",
+ arvif->vdev_id, ret);
+}
+
+static int ath10k_mac_vif_recalc_ps_wake_threshold(struct ath10k_vif *arvif)
+{
+ struct ath10k *ar = arvif->ar;
+ u32 param;
+ u32 value;
+ int ret;
+
+ lockdep_assert_held(&arvif->ar->conf_mutex);
+
+ if (arvif->u.sta.uapsd)
+ value = WMI_STA_PS_TX_WAKE_THRESHOLD_NEVER;
+ else
+ value = WMI_STA_PS_TX_WAKE_THRESHOLD_ALWAYS;
+
+ param = WMI_STA_PS_PARAM_TX_WAKE_THRESHOLD;
+ ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param, value);
+ if (ret) {
+ ath10k_warn(ar, "failed to submit ps wake threshold %u on vdev %i: %d\n",
+ value, arvif->vdev_id, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int ath10k_mac_vif_recalc_ps_poll_count(struct ath10k_vif *arvif)
+{
+ struct ath10k *ar = arvif->ar;
+ u32 param;
+ u32 value;
+ int ret;
+
+ lockdep_assert_held(&arvif->ar->conf_mutex);
+
+ if (arvif->u.sta.uapsd)
+ value = WMI_STA_PS_PSPOLL_COUNT_UAPSD;
+ else
+ value = WMI_STA_PS_PSPOLL_COUNT_NO_MAX;
+
+ param = WMI_STA_PS_PARAM_PSPOLL_COUNT;
+ ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
+ param, value);
+ if (ret) {
+ ath10k_warn(ar, "failed to submit ps poll count %u on vdev %i: %d\n",
+ value, arvif->vdev_id, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int ath10k_mac_num_vifs_started(struct ath10k *ar)
+{
+ struct ath10k_vif *arvif;
+ int num = 0;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ list_for_each_entry(arvif, &ar->arvifs, list)
+ if (arvif->is_started)
+ num++;
+
+ return num;
+}
+
+static int ath10k_mac_vif_setup_ps(struct ath10k_vif *arvif)
+{
+ struct ath10k *ar = arvif->ar;
+ struct ieee80211_vif *vif = arvif->vif;
+ struct ieee80211_conf *conf = &ar->hw->conf;
+ enum wmi_sta_powersave_param param;
+ enum wmi_sta_ps_mode psmode;
+ int ret;
+ int ps_timeout;
+ bool enable_ps;
+
+ lockdep_assert_held(&arvif->ar->conf_mutex);
+
+ if (arvif->vif->type != NL80211_IFTYPE_STATION)
+ return 0;
+
+ enable_ps = arvif->ps;
+
+ if (enable_ps && ath10k_mac_num_vifs_started(ar) > 1 &&
+ !test_bit(ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT,
+ ar->running_fw->fw_file.fw_features)) {
+ ath10k_warn(ar, "refusing to enable ps on vdev %i: not supported by fw\n",
+ arvif->vdev_id);
+ enable_ps = false;
+ }
+
+ if (!arvif->is_started) {
+ /* mac80211 can update vif powersave state while disconnected.
+ * Firmware doesn't behave nicely and consumes more power than
+ * necessary if PS is disabled on a non-started vdev. Hence
+ * force-enable PS for non-running vdevs.
+ */
+ psmode = WMI_STA_PS_MODE_ENABLED;
+ } else if (enable_ps) {
+ psmode = WMI_STA_PS_MODE_ENABLED;
+ param = WMI_STA_PS_PARAM_INACTIVITY_TIME;
+
+ ps_timeout = conf->dynamic_ps_timeout;
+ if (ps_timeout == 0) {
+ /* Firmware doesn't like 0 */
+ ps_timeout = ieee80211_tu_to_usec(
+ vif->bss_conf.beacon_int) / 1000;
+ }
+
+ ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param,
+ ps_timeout);
+ if (ret) {
+ ath10k_warn(ar, "failed to set inactivity time for vdev %d: %i\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+ } else {
+ psmode = WMI_STA_PS_MODE_DISABLED;
+ }
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d psmode %s\n",
+ arvif->vdev_id, psmode ? "enable" : "disable");
+
+ ret = ath10k_wmi_set_psmode(ar, arvif->vdev_id, psmode);
+ if (ret) {
+ ath10k_warn(ar, "failed to set PS Mode %d for vdev %d: %d\n",
+ psmode, arvif->vdev_id, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int ath10k_mac_vif_disable_keepalive(struct ath10k_vif *arvif)
+{
+ struct ath10k *ar = arvif->ar;
+ struct wmi_sta_keepalive_arg arg = {};
+ int ret;
+
+ lockdep_assert_held(&arvif->ar->conf_mutex);
+
+ if (arvif->vdev_type != WMI_VDEV_TYPE_STA)
+ return 0;
+
+ if (!test_bit(WMI_SERVICE_STA_KEEP_ALIVE, ar->wmi.svc_map))
+ return 0;
+
+ /* Some firmware revisions have a bug and ignore the `enabled` field.
+ * Instead use the interval to disable the keepalive.
+ */
+ arg.vdev_id = arvif->vdev_id;
+ arg.enabled = 1;
+ arg.method = WMI_STA_KEEPALIVE_METHOD_NULL_FRAME;
+ arg.interval = WMI_STA_KEEPALIVE_INTERVAL_DISABLE;
+
+ ret = ath10k_wmi_sta_keepalive(ar, &arg);
+ if (ret) {
+ ath10k_warn(ar, "failed to submit keepalive on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static void ath10k_mac_vif_ap_csa_count_down(struct ath10k_vif *arvif)
+{
+ struct ath10k *ar = arvif->ar;
+ struct ieee80211_vif *vif = arvif->vif;
+ int ret;
+
+ lockdep_assert_held(&arvif->ar->conf_mutex);
+
+ if (WARN_ON(!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)))
+ return;
+
+ if (arvif->vdev_type != WMI_VDEV_TYPE_AP)
+ return;
+
+ if (!vif->csa_active)
+ return;
+
+ if (!arvif->is_up)
+ return;
+
+ if (!ieee80211_csa_is_complete(vif)) {
+ ieee80211_csa_update_counter(vif);
+
+ ret = ath10k_mac_setup_bcn_tmpl(arvif);
+ if (ret)
+ ath10k_warn(ar, "failed to update bcn tmpl during csa: %d\n",
+ ret);
+
+ ret = ath10k_mac_setup_prb_tmpl(arvif);
+ if (ret)
+ ath10k_warn(ar, "failed to update prb tmpl during csa: %d\n",
+ ret);
+ } else {
+ ieee80211_csa_finish(vif);
+ }
+}
+
+static void ath10k_mac_vif_ap_csa_work(struct work_struct *work)
+{
+ struct ath10k_vif *arvif = container_of(work, struct ath10k_vif,
+ ap_csa_work);
+ struct ath10k *ar = arvif->ar;
+
+ mutex_lock(&ar->conf_mutex);
+ ath10k_mac_vif_ap_csa_count_down(arvif);
+ mutex_unlock(&ar->conf_mutex);
+}
+
+static void ath10k_mac_handle_beacon_iter(void *data, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ struct sk_buff *skb = data;
+ struct ieee80211_mgmt *mgmt = (void *)skb->data;
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+
+ if (vif->type != NL80211_IFTYPE_STATION)
+ return;
+
+ if (!ether_addr_equal(mgmt->bssid, vif->bss_conf.bssid))
+ return;
+
+ cancel_delayed_work(&arvif->connection_loss_work);
+}
+
+void ath10k_mac_handle_beacon(struct ath10k *ar, struct sk_buff *skb)
+{
+ ieee80211_iterate_active_interfaces_atomic(ar->hw,
+ IEEE80211_IFACE_ITER_NORMAL,
+ ath10k_mac_handle_beacon_iter,
+ skb);
+}
+
+static void ath10k_mac_handle_beacon_miss_iter(void *data, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ u32 *vdev_id = data;
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ struct ath10k *ar = arvif->ar;
+ struct ieee80211_hw *hw = ar->hw;
+
+ if (arvif->vdev_id != *vdev_id)
+ return;
+
+ if (!arvif->is_up)
+ return;
+
+ ieee80211_beacon_loss(vif);
+
+ /* Firmware doesn't report beacon loss events repeatedly. If AP probe
+ * (done by mac80211) succeeds but beacons do not resume then it
+ * doesn't make sense to continue operation. Queue connection loss work
+ * which can be cancelled when beacon is received.
+ */
+ ieee80211_queue_delayed_work(hw, &arvif->connection_loss_work,
+ ATH10K_CONNECTION_LOSS_HZ);
+}
+
+void ath10k_mac_handle_beacon_miss(struct ath10k *ar, u32 vdev_id)
+{
+ ieee80211_iterate_active_interfaces_atomic(ar->hw,
+ IEEE80211_IFACE_ITER_NORMAL,
+ ath10k_mac_handle_beacon_miss_iter,
+ &vdev_id);
+}
+
+static void ath10k_mac_vif_sta_connection_loss_work(struct work_struct *work)
+{
+ struct ath10k_vif *arvif = container_of(work, struct ath10k_vif,
+ connection_loss_work.work);
+ struct ieee80211_vif *vif = arvif->vif;
+
+ if (!arvif->is_up)
+ return;
+
+ ieee80211_connection_loss(vif);
+}
+
+/**********************/
+/* Station management */
+/**********************/
+
+static u32 ath10k_peer_assoc_h_listen_intval(struct ath10k *ar,
+ struct ieee80211_vif *vif)
+{
+ /* Some firmware revisions have unstable STA powersave when listen
+ * interval is set too high (e.g. 5). The symptoms are firmware doesn't
+ * generate NullFunc frames properly even if buffered frames have been
+ * indicated in Beacon TIM. Firmware would seldom wake up to pull
+ * buffered frames. Often pinging the device from AP would simply fail.
+ *
+ * As a workaround set it to 1.
+ */
+ if (vif->type == NL80211_IFTYPE_STATION)
+ return 1;
+
+ return ar->hw->conf.listen_interval;
+}
+
+static void ath10k_peer_assoc_h_basic(struct ath10k *ar,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct wmi_peer_assoc_complete_arg *arg)
+{
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ u32 aid;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (vif->type == NL80211_IFTYPE_STATION)
+ aid = vif->bss_conf.aid;
+ else
+ aid = sta->aid;
+
+ ether_addr_copy(arg->addr, sta->addr);
+ arg->vdev_id = arvif->vdev_id;
+ arg->peer_aid = aid;
+ arg->peer_flags |= arvif->ar->wmi.peer_flags->auth;
+ arg->peer_listen_intval = ath10k_peer_assoc_h_listen_intval(ar, vif);
+ arg->peer_num_spatial_streams = 1;
+ arg->peer_caps = vif->bss_conf.assoc_capability;
+}
+
+static void ath10k_peer_assoc_h_crypto(struct ath10k *ar,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct wmi_peer_assoc_complete_arg *arg)
+{
+ struct ieee80211_bss_conf *info = &vif->bss_conf;
+ struct cfg80211_chan_def def;
+ struct cfg80211_bss *bss;
+ const u8 *rsnie = NULL;
+ const u8 *wpaie = NULL;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
+ return;
+
+ bss = cfg80211_get_bss(ar->hw->wiphy, def.chan, info->bssid, NULL, 0,
+ IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY);
+ if (bss) {
+ const struct cfg80211_bss_ies *ies;
+
+ rcu_read_lock();
+ rsnie = ieee80211_bss_get_ie(bss, WLAN_EID_RSN);
+
+ ies = rcu_dereference(bss->ies);
+
+ wpaie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
+ WLAN_OUI_TYPE_MICROSOFT_WPA,
+ ies->data,
+ ies->len);
+ rcu_read_unlock();
+ cfg80211_put_bss(ar->hw->wiphy, bss);
+ }
+
+ /* FIXME: base on RSN IE/WPA IE is a correct idea? */
+ if (rsnie || wpaie) {
+ ath10k_dbg(ar, ATH10K_DBG_WMI, "%s: rsn ie found\n", __func__);
+ arg->peer_flags |= ar->wmi.peer_flags->need_ptk_4_way;
+ }
+
+ if (wpaie) {
+ ath10k_dbg(ar, ATH10K_DBG_WMI, "%s: wpa ie found\n", __func__);
+ arg->peer_flags |= ar->wmi.peer_flags->need_gtk_2_way;
+ }
+
+ if (sta->mfp &&
+ test_bit(ATH10K_FW_FEATURE_MFP_SUPPORT,
+ ar->running_fw->fw_file.fw_features)) {
+ arg->peer_flags |= ar->wmi.peer_flags->pmf;
+ }
+}
+
+static void ath10k_peer_assoc_h_rates(struct ath10k *ar,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct wmi_peer_assoc_complete_arg *arg)
+{
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ struct wmi_rate_set_arg *rateset = &arg->peer_legacy_rates;
+ struct cfg80211_chan_def def;
+ const struct ieee80211_supported_band *sband;
+ const struct ieee80211_rate *rates;
+ enum nl80211_band band;
+ u32 ratemask;
+ u8 rate;
+ int i;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
+ return;
+
+ band = def.chan->band;
+ sband = ar->hw->wiphy->bands[band];
+ ratemask = sta->supp_rates[band];
+ ratemask &= arvif->bitrate_mask.control[band].legacy;
+ rates = sband->bitrates;
+
+ rateset->num_rates = 0;
+
+ for (i = 0; i < 32; i++, ratemask >>= 1, rates++) {
+ if (!(ratemask & 1))
+ continue;
+
+ rate = ath10k_mac_bitrate_to_rate(rates->bitrate);
+ rateset->rates[rateset->num_rates] = rate;
+ rateset->num_rates++;
+ }
+}
+
+static bool
+ath10k_peer_assoc_h_ht_masked(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN])
+{
+ int nss;
+
+ for (nss = 0; nss < IEEE80211_HT_MCS_MASK_LEN; nss++)
+ if (ht_mcs_mask[nss])
+ return false;
+
+ return true;
+}
+
+static bool
+ath10k_peer_assoc_h_vht_masked(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
+{
+ int nss;
+
+ for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++)
+ if (vht_mcs_mask[nss])
+ return false;
+
+ return true;
+}
+
+static void ath10k_peer_assoc_h_ht(struct ath10k *ar,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct wmi_peer_assoc_complete_arg *arg)
+{
+ const struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap;
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ struct cfg80211_chan_def def;
+ enum nl80211_band band;
+ const u8 *ht_mcs_mask;
+ const u16 *vht_mcs_mask;
+ int i, n;
+ u8 max_nss;
+ u32 stbc;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
+ return;
+
+ if (!ht_cap->ht_supported)
+ return;
+
+ band = def.chan->band;
+ ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
+ vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
+
+ if (ath10k_peer_assoc_h_ht_masked(ht_mcs_mask) &&
+ ath10k_peer_assoc_h_vht_masked(vht_mcs_mask))
+ return;
+
+ arg->peer_flags |= ar->wmi.peer_flags->ht;
+ arg->peer_max_mpdu = (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
+ ht_cap->ampdu_factor)) - 1;
+
+ arg->peer_mpdu_density =
+ ath10k_parse_mpdudensity(ht_cap->ampdu_density);
+
+ arg->peer_ht_caps = ht_cap->cap;
+ arg->peer_rate_caps |= WMI_RC_HT_FLAG;
+
+ if (ht_cap->cap & IEEE80211_HT_CAP_LDPC_CODING)
+ arg->peer_flags |= ar->wmi.peer_flags->ldbc;
+
+ if (sta->bandwidth >= IEEE80211_STA_RX_BW_40) {
+ arg->peer_flags |= ar->wmi.peer_flags->bw40;
+ arg->peer_rate_caps |= WMI_RC_CW40_FLAG;
+ }
+
+ if (arvif->bitrate_mask.control[band].gi != NL80211_TXRATE_FORCE_LGI) {
+ if (ht_cap->cap & IEEE80211_HT_CAP_SGI_20)
+ arg->peer_rate_caps |= WMI_RC_SGI_FLAG;
+
+ if (ht_cap->cap & IEEE80211_HT_CAP_SGI_40)
+ arg->peer_rate_caps |= WMI_RC_SGI_FLAG;
+ }
+
+ if (ht_cap->cap & IEEE80211_HT_CAP_TX_STBC) {
+ arg->peer_rate_caps |= WMI_RC_TX_STBC_FLAG;
+ arg->peer_flags |= ar->wmi.peer_flags->stbc;
+ }
+
+ if (ht_cap->cap & IEEE80211_HT_CAP_RX_STBC) {
+ stbc = ht_cap->cap & IEEE80211_HT_CAP_RX_STBC;
+ stbc = stbc >> IEEE80211_HT_CAP_RX_STBC_SHIFT;
+ stbc = stbc << WMI_RC_RX_STBC_FLAG_S;
+ arg->peer_rate_caps |= stbc;
+ arg->peer_flags |= ar->wmi.peer_flags->stbc;
+ }
+
+ if (ht_cap->mcs.rx_mask[1] && ht_cap->mcs.rx_mask[2])
+ arg->peer_rate_caps |= WMI_RC_TS_FLAG;
+ else if (ht_cap->mcs.rx_mask[1])
+ arg->peer_rate_caps |= WMI_RC_DS_FLAG;
+
+ for (i = 0, n = 0, max_nss = 0; i < IEEE80211_HT_MCS_MASK_LEN * 8; i++)
+ if ((ht_cap->mcs.rx_mask[i / 8] & BIT(i % 8)) &&
+ (ht_mcs_mask[i / 8] & BIT(i % 8))) {
+ max_nss = (i / 8) + 1;
+ arg->peer_ht_rates.rates[n++] = i;
+ }
+
+ /*
+ * This is a workaround for HT-enabled STAs which break the spec
+ * and have no HT capabilities RX mask (no HT RX MCS map).
+ *
+ * As per spec, in section 20.3.5 Modulation and coding scheme (MCS),
+ * MCS 0 through 7 are mandatory in 20MHz with 800 ns GI at all STAs.
+ *
+ * Firmware asserts if such situation occurs.
+ */
+ if (n == 0) {
+ arg->peer_ht_rates.num_rates = 8;
+ for (i = 0; i < arg->peer_ht_rates.num_rates; i++)
+ arg->peer_ht_rates.rates[i] = i;
+ } else {
+ arg->peer_ht_rates.num_rates = n;
+ arg->peer_num_spatial_streams = min(sta->rx_nss, max_nss);
+ }
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ht peer %pM mcs cnt %d nss %d\n",
+ arg->addr,
+ arg->peer_ht_rates.num_rates,
+ arg->peer_num_spatial_streams);
+}
+
+static int ath10k_peer_assoc_qos_ap(struct ath10k *ar,
+ struct ath10k_vif *arvif,
+ struct ieee80211_sta *sta)
+{
+ u32 uapsd = 0;
+ u32 max_sp = 0;
+ int ret = 0;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (sta->wme && sta->uapsd_queues) {
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac uapsd_queues 0x%x max_sp %d\n",
+ sta->uapsd_queues, sta->max_sp);
+
+ if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO)
+ uapsd |= WMI_AP_PS_UAPSD_AC3_DELIVERY_EN |
+ WMI_AP_PS_UAPSD_AC3_TRIGGER_EN;
+ if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI)
+ uapsd |= WMI_AP_PS_UAPSD_AC2_DELIVERY_EN |
+ WMI_AP_PS_UAPSD_AC2_TRIGGER_EN;
+ if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK)
+ uapsd |= WMI_AP_PS_UAPSD_AC1_DELIVERY_EN |
+ WMI_AP_PS_UAPSD_AC1_TRIGGER_EN;
+ if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE)
+ uapsd |= WMI_AP_PS_UAPSD_AC0_DELIVERY_EN |
+ WMI_AP_PS_UAPSD_AC0_TRIGGER_EN;
+
+ if (sta->max_sp < MAX_WMI_AP_PS_PEER_PARAM_MAX_SP)
+ max_sp = sta->max_sp;
+
+ ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id,
+ sta->addr,
+ WMI_AP_PS_PEER_PARAM_UAPSD,
+ uapsd);
+ if (ret) {
+ ath10k_warn(ar, "failed to set ap ps peer param uapsd for vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id,
+ sta->addr,
+ WMI_AP_PS_PEER_PARAM_MAX_SP,
+ max_sp);
+ if (ret) {
+ ath10k_warn(ar, "failed to set ap ps peer param max sp for vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ /* TODO setup this based on STA listen interval and
+ * beacon interval. Currently we don't know
+ * sta->listen_interval - mac80211 patch required.
+ * Currently use 10 seconds
+ */
+ ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, sta->addr,
+ WMI_AP_PS_PEER_PARAM_AGEOUT_TIME,
+ 10);
+ if (ret) {
+ ath10k_warn(ar, "failed to set ap ps peer param ageout time for vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static u16
+ath10k_peer_assoc_h_vht_limit(u16 tx_mcs_set,
+ const u16 vht_mcs_limit[NL80211_VHT_NSS_MAX])
+{
+ int idx_limit;
+ int nss;
+ u16 mcs_map;
+ u16 mcs;
+
+ for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
+ mcs_map = ath10k_mac_get_max_vht_mcs_map(tx_mcs_set, nss) &
+ vht_mcs_limit[nss];
+
+ if (mcs_map)
+ idx_limit = fls(mcs_map) - 1;
+ else
+ idx_limit = -1;
+
+ switch (idx_limit) {
+ case 0: /* fall through */
+ case 1: /* fall through */
+ case 2: /* fall through */
+ case 3: /* fall through */
+ case 4: /* fall through */
+ case 5: /* fall through */
+ case 6: /* fall through */
+ default:
+ /* see ath10k_mac_can_set_bitrate_mask() */
+ WARN_ON(1);
+ /* fall through */
+ case -1:
+ mcs = IEEE80211_VHT_MCS_NOT_SUPPORTED;
+ break;
+ case 7:
+ mcs = IEEE80211_VHT_MCS_SUPPORT_0_7;
+ break;
+ case 8:
+ mcs = IEEE80211_VHT_MCS_SUPPORT_0_8;
+ break;
+ case 9:
+ mcs = IEEE80211_VHT_MCS_SUPPORT_0_9;
+ break;
+ }
+
+ tx_mcs_set &= ~(0x3 << (nss * 2));
+ tx_mcs_set |= mcs << (nss * 2);
+ }
+
+ return tx_mcs_set;
+}
+
+static void ath10k_peer_assoc_h_vht(struct ath10k *ar,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct wmi_peer_assoc_complete_arg *arg)
+{
+ const struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap;
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ struct cfg80211_chan_def def;
+ enum nl80211_band band;
+ const u16 *vht_mcs_mask;
+ u8 ampdu_factor;
+ u8 max_nss, vht_mcs;
+ int i;
+
+ if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
+ return;
+
+ if (!vht_cap->vht_supported)
+ return;
+
+ band = def.chan->band;
+ vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
+
+ if (ath10k_peer_assoc_h_vht_masked(vht_mcs_mask))
+ return;
+
+ arg->peer_flags |= ar->wmi.peer_flags->vht;
+
+ if (def.chan->band == NL80211_BAND_2GHZ)
+ arg->peer_flags |= ar->wmi.peer_flags->vht_2g;
+
+ arg->peer_vht_caps = vht_cap->cap;
+
+ ampdu_factor = (vht_cap->cap &
+ IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >>
+ IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT;
+
+ /* Workaround: Some Netgear/Linksys 11ac APs set Rx A-MPDU factor to
+ * zero in VHT IE. Using it would result in degraded throughput.
+ * arg->peer_max_mpdu at this point contains HT max_mpdu so keep
+ * it if VHT max_mpdu is smaller.
+ */
+ arg->peer_max_mpdu = max(arg->peer_max_mpdu,
+ (1U << (IEEE80211_HT_MAX_AMPDU_FACTOR +
+ ampdu_factor)) - 1);
+
+ if (sta->bandwidth == IEEE80211_STA_RX_BW_80)
+ arg->peer_flags |= ar->wmi.peer_flags->bw80;
+
+ if (sta->bandwidth == IEEE80211_STA_RX_BW_160)
+ arg->peer_flags |= ar->wmi.peer_flags->bw160;
+
+ /* Calculate peer NSS capability from VHT capabilities if STA
+ * supports VHT.
+ */
+ for (i = 0, max_nss = 0, vht_mcs = 0; i < NL80211_VHT_NSS_MAX; i++) {
+ vht_mcs = __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map) >>
+ (2 * i) & 3;
+
+ if ((vht_mcs != IEEE80211_VHT_MCS_NOT_SUPPORTED) &&
+ vht_mcs_mask[i])
+ max_nss = i + 1;
+ }
+ arg->peer_num_spatial_streams = min(sta->rx_nss, max_nss);
+ arg->peer_vht_rates.rx_max_rate =
+ __le16_to_cpu(vht_cap->vht_mcs.rx_highest);
+ arg->peer_vht_rates.rx_mcs_set =
+ __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map);
+ arg->peer_vht_rates.tx_max_rate =
+ __le16_to_cpu(vht_cap->vht_mcs.tx_highest);
+ arg->peer_vht_rates.tx_mcs_set = ath10k_peer_assoc_h_vht_limit(
+ __le16_to_cpu(vht_cap->vht_mcs.tx_mcs_map), vht_mcs_mask);
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vht peer %pM max_mpdu %d flags 0x%x\n",
+ sta->addr, arg->peer_max_mpdu, arg->peer_flags);
+
+ if (arg->peer_vht_rates.rx_max_rate &&
+ (sta->vht_cap.cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK)) {
+ switch (arg->peer_vht_rates.rx_max_rate) {
+ case 1560:
+ /* Must be 2x2 at 160Mhz is all it can do. */
+ arg->peer_bw_rxnss_override = 2;
+ break;
+ case 780:
+ /* Can only do 1x1 at 160Mhz (Long Guard Interval) */
+ arg->peer_bw_rxnss_override = 1;
+ break;
+ }
+ }
+}
+
+static void ath10k_peer_assoc_h_qos(struct ath10k *ar,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct wmi_peer_assoc_complete_arg *arg)
+{
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+
+ switch (arvif->vdev_type) {
+ case WMI_VDEV_TYPE_AP:
+ if (sta->wme)
+ arg->peer_flags |= arvif->ar->wmi.peer_flags->qos;
+
+ if (sta->wme && sta->uapsd_queues) {
+ arg->peer_flags |= arvif->ar->wmi.peer_flags->apsd;
+ arg->peer_rate_caps |= WMI_RC_UAPSD_FLAG;
+ }
+ break;
+ case WMI_VDEV_TYPE_STA:
+ if (sta->wme)
+ arg->peer_flags |= arvif->ar->wmi.peer_flags->qos;
+ break;
+ case WMI_VDEV_TYPE_IBSS:
+ if (sta->wme)
+ arg->peer_flags |= arvif->ar->wmi.peer_flags->qos;
+ break;
+ default:
+ break;
+ }
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM qos %d\n",
+ sta->addr, !!(arg->peer_flags &
+ arvif->ar->wmi.peer_flags->qos));
+}
+
+static bool ath10k_mac_sta_has_ofdm_only(struct ieee80211_sta *sta)
+{
+ return sta->supp_rates[NL80211_BAND_2GHZ] >>
+ ATH10K_MAC_FIRST_OFDM_RATE_IDX;
+}
+
+static enum wmi_phy_mode ath10k_mac_get_phymode_vht(struct ath10k *ar,
+ struct ieee80211_sta *sta)
+{
+ if (sta->bandwidth == IEEE80211_STA_RX_BW_160) {
+ switch (sta->vht_cap.cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) {
+ case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ:
+ return MODE_11AC_VHT160;
+ case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ:
+ return MODE_11AC_VHT80_80;
+ default:
+ /* not sure if this is a valid case? */
+ return MODE_11AC_VHT160;
+ }
+ }
+
+ if (sta->bandwidth == IEEE80211_STA_RX_BW_80)
+ return MODE_11AC_VHT80;
+
+ if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
+ return MODE_11AC_VHT40;
+
+ if (sta->bandwidth == IEEE80211_STA_RX_BW_20)
+ return MODE_11AC_VHT20;
+
+ return MODE_UNKNOWN;
+}
+
+static void ath10k_peer_assoc_h_phymode(struct ath10k *ar,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct wmi_peer_assoc_complete_arg *arg)
+{
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ struct cfg80211_chan_def def;
+ enum nl80211_band band;
+ const u8 *ht_mcs_mask;
+ const u16 *vht_mcs_mask;
+ enum wmi_phy_mode phymode = MODE_UNKNOWN;
+
+ if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
+ return;
+
+ band = def.chan->band;
+ ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
+ vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
+
+ switch (band) {
+ case NL80211_BAND_2GHZ:
+ if (sta->vht_cap.vht_supported &&
+ !ath10k_peer_assoc_h_vht_masked(vht_mcs_mask)) {
+ if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
+ phymode = MODE_11AC_VHT40;
+ else
+ phymode = MODE_11AC_VHT20;
+ } else if (sta->ht_cap.ht_supported &&
+ !ath10k_peer_assoc_h_ht_masked(ht_mcs_mask)) {
+ if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
+ phymode = MODE_11NG_HT40;
+ else
+ phymode = MODE_11NG_HT20;
+ } else if (ath10k_mac_sta_has_ofdm_only(sta)) {
+ phymode = MODE_11G;
+ } else {
+ phymode = MODE_11B;
+ }
+
+ break;
+ case NL80211_BAND_5GHZ:
+ /*
+ * Check VHT first.
+ */
+ if (sta->vht_cap.vht_supported &&
+ !ath10k_peer_assoc_h_vht_masked(vht_mcs_mask)) {
+ phymode = ath10k_mac_get_phymode_vht(ar, sta);
+ } else if (sta->ht_cap.ht_supported &&
+ !ath10k_peer_assoc_h_ht_masked(ht_mcs_mask)) {
+ if (sta->bandwidth >= IEEE80211_STA_RX_BW_40)
+ phymode = MODE_11NA_HT40;
+ else
+ phymode = MODE_11NA_HT20;
+ } else {
+ phymode = MODE_11A;
+ }
+
+ break;
+ default:
+ break;
+ }
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM phymode %s\n",
+ sta->addr, ath10k_wmi_phymode_str(phymode));
+
+ arg->peer_phymode = phymode;
+ WARN_ON(phymode == MODE_UNKNOWN);
+}
+
+static int ath10k_peer_assoc_prepare(struct ath10k *ar,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct wmi_peer_assoc_complete_arg *arg)
+{
+ lockdep_assert_held(&ar->conf_mutex);
+
+ memset(arg, 0, sizeof(*arg));
+
+ ath10k_peer_assoc_h_basic(ar, vif, sta, arg);
+ ath10k_peer_assoc_h_crypto(ar, vif, sta, arg);
+ ath10k_peer_assoc_h_rates(ar, vif, sta, arg);
+ ath10k_peer_assoc_h_ht(ar, vif, sta, arg);
+ ath10k_peer_assoc_h_vht(ar, vif, sta, arg);
+ ath10k_peer_assoc_h_qos(ar, vif, sta, arg);
+ ath10k_peer_assoc_h_phymode(ar, vif, sta, arg);
+
+ return 0;
+}
+
+static const u32 ath10k_smps_map[] = {
+ [WLAN_HT_CAP_SM_PS_STATIC] = WMI_PEER_SMPS_STATIC,
+ [WLAN_HT_CAP_SM_PS_DYNAMIC] = WMI_PEER_SMPS_DYNAMIC,
+ [WLAN_HT_CAP_SM_PS_INVALID] = WMI_PEER_SMPS_PS_NONE,
+ [WLAN_HT_CAP_SM_PS_DISABLED] = WMI_PEER_SMPS_PS_NONE,
+};
+
+static int ath10k_setup_peer_smps(struct ath10k *ar, struct ath10k_vif *arvif,
+ const u8 *addr,
+ const struct ieee80211_sta_ht_cap *ht_cap)
+{
+ int smps;
+
+ if (!ht_cap->ht_supported)
+ return 0;
+
+ smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS;
+ smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT;
+
+ if (smps >= ARRAY_SIZE(ath10k_smps_map))
+ return -EINVAL;
+
+ return ath10k_wmi_peer_set_param(ar, arvif->vdev_id, addr,
+ WMI_PEER_SMPS_STATE,
+ ath10k_smps_map[smps]);
+}
+
+static int ath10k_mac_vif_recalc_txbf(struct ath10k *ar,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta_vht_cap vht_cap)
+{
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ int ret;
+ u32 param;
+ u32 value;
+
+ if (ath10k_wmi_get_txbf_conf_scheme(ar) != WMI_TXBF_CONF_AFTER_ASSOC)
+ return 0;
+
+ if (!(ar->vht_cap_info &
+ (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
+ IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE |
+ IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
+ IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)))
+ return 0;
+
+ param = ar->wmi.vdev_param->txbf;
+ value = 0;
+
+ if (WARN_ON(param == WMI_VDEV_PARAM_UNSUPPORTED))
+ return 0;
+
+ /* The following logic is correct. If a remote STA advertises support
+ * for being a beamformer then we should enable us being a beamformee.
+ */
+
+ if (ar->vht_cap_info &
+ (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
+ IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) {
+ if (vht_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)
+ value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE;
+
+ if (vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)
+ value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFEE;
+ }
+
+ if (ar->vht_cap_info &
+ (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
+ IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) {
+ if (vht_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)
+ value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER;
+
+ if (vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)
+ value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFER;
+ }
+
+ if (value & WMI_VDEV_PARAM_TXBF_MU_TX_BFEE)
+ value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE;
+
+ if (value & WMI_VDEV_PARAM_TXBF_MU_TX_BFER)
+ value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER;
+
+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, value);
+ if (ret) {
+ ath10k_warn(ar, "failed to submit vdev param txbf 0x%x: %d\n",
+ value, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+/* can be called only in mac80211 callbacks due to `key_count` usage */
+static void ath10k_bss_assoc(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *bss_conf)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ struct ieee80211_sta_ht_cap ht_cap;
+ struct ieee80211_sta_vht_cap vht_cap;
+ struct wmi_peer_assoc_complete_arg peer_arg;
+ struct ieee80211_sta *ap_sta;
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i assoc bssid %pM aid %d\n",
+ arvif->vdev_id, arvif->bssid, arvif->aid);
+
+ rcu_read_lock();
+
+ ap_sta = ieee80211_find_sta(vif, bss_conf->bssid);
+ if (!ap_sta) {
+ ath10k_warn(ar, "failed to find station entry for bss %pM vdev %i\n",
+ bss_conf->bssid, arvif->vdev_id);
+ rcu_read_unlock();
+ return;
+ }
+
+ /* ap_sta must be accessed only within rcu section which must be left
+ * before calling ath10k_setup_peer_smps() which might sleep.
+ */
+ ht_cap = ap_sta->ht_cap;
+ vht_cap = ap_sta->vht_cap;
+
+ ret = ath10k_peer_assoc_prepare(ar, vif, ap_sta, &peer_arg);
+ if (ret) {
+ ath10k_warn(ar, "failed to prepare peer assoc for %pM vdev %i: %d\n",
+ bss_conf->bssid, arvif->vdev_id, ret);
+ rcu_read_unlock();
+ return;
+ }
+
+ rcu_read_unlock();
+
+ ret = ath10k_wmi_peer_assoc(ar, &peer_arg);
+ if (ret) {
+ ath10k_warn(ar, "failed to run peer assoc for %pM vdev %i: %d\n",
+ bss_conf->bssid, arvif->vdev_id, ret);
+ return;
+ }
+
+ ret = ath10k_setup_peer_smps(ar, arvif, bss_conf->bssid, &ht_cap);
+ if (ret) {
+ ath10k_warn(ar, "failed to setup peer SMPS for vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return;
+ }
+
+ ret = ath10k_mac_vif_recalc_txbf(ar, vif, vht_cap);
+ if (ret) {
+ ath10k_warn(ar, "failed to recalc txbf for vdev %i on bss %pM: %d\n",
+ arvif->vdev_id, bss_conf->bssid, ret);
+ return;
+ }
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac vdev %d up (associated) bssid %pM aid %d\n",
+ arvif->vdev_id, bss_conf->bssid, bss_conf->aid);
+
+ WARN_ON(arvif->is_up);
+
+ arvif->aid = bss_conf->aid;
+ ether_addr_copy(arvif->bssid, bss_conf->bssid);
+
+ ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, arvif->aid, arvif->bssid);
+ if (ret) {
+ ath10k_warn(ar, "failed to set vdev %d up: %d\n",
+ arvif->vdev_id, ret);
+ return;
+ }
+
+ arvif->is_up = true;
+
+ /* Workaround: Some firmware revisions (tested with qca6174
+ * WLAN.RM.2.0-00073) have buggy powersave state machine and must be
+ * poked with peer param command.
+ */
+ ret = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, arvif->bssid,
+ WMI_PEER_DUMMY_VAR, 1);
+ if (ret) {
+ ath10k_warn(ar, "failed to poke peer %pM param for ps workaround on vdev %i: %d\n",
+ arvif->bssid, arvif->vdev_id, ret);
+ return;
+ }
+}
+
+static void ath10k_bss_disassoc(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ struct ieee80211_sta_vht_cap vht_cap = {};
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i disassoc bssid %pM\n",
+ arvif->vdev_id, arvif->bssid);
+
+ ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
+ if (ret)
+ ath10k_warn(ar, "failed to down vdev %i: %d\n",
+ arvif->vdev_id, ret);
+
+ arvif->def_wep_key_idx = -1;
+
+ ret = ath10k_mac_vif_recalc_txbf(ar, vif, vht_cap);
+ if (ret) {
+ ath10k_warn(ar, "failed to recalc txbf for vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return;
+ }
+
+ arvif->is_up = false;
+
+ cancel_delayed_work_sync(&arvif->connection_loss_work);
+}
+
+static int ath10k_station_assoc(struct ath10k *ar,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ bool reassoc)
+{
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ struct wmi_peer_assoc_complete_arg peer_arg;
+ int ret = 0;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ ret = ath10k_peer_assoc_prepare(ar, vif, sta, &peer_arg);
+ if (ret) {
+ ath10k_warn(ar, "failed to prepare WMI peer assoc for %pM vdev %i: %i\n",
+ sta->addr, arvif->vdev_id, ret);
+ return ret;
+ }
+
+ ret = ath10k_wmi_peer_assoc(ar, &peer_arg);
+ if (ret) {
+ ath10k_warn(ar, "failed to run peer assoc for STA %pM vdev %i: %d\n",
+ sta->addr, arvif->vdev_id, ret);
+ return ret;
+ }
+
+ /* Re-assoc is run only to update supported rates for given station. It
+ * doesn't make much sense to reconfigure the peer completely.
+ */
+ if (!reassoc) {
+ ret = ath10k_setup_peer_smps(ar, arvif, sta->addr,
+ &sta->ht_cap);
+ if (ret) {
+ ath10k_warn(ar, "failed to setup peer SMPS for vdev %d: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ ret = ath10k_peer_assoc_qos_ap(ar, arvif, sta);
+ if (ret) {
+ ath10k_warn(ar, "failed to set qos params for STA %pM for vdev %i: %d\n",
+ sta->addr, arvif->vdev_id, ret);
+ return ret;
+ }
+
+ if (!sta->wme) {
+ arvif->num_legacy_stations++;
+ ret = ath10k_recalc_rtscts_prot(arvif);
+ if (ret) {
+ ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+ }
+
+ /* Plumb cached keys only for static WEP */
+ if ((arvif->def_wep_key_idx != -1) && (!sta->tdls)) {
+ ret = ath10k_install_peer_wep_keys(arvif, sta->addr);
+ if (ret) {
+ ath10k_warn(ar, "failed to install peer wep keys for vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+ }
+ }
+
+ return ret;
+}
+
+static int ath10k_station_disassoc(struct ath10k *ar,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ int ret = 0;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (!sta->wme) {
+ arvif->num_legacy_stations--;
+ ret = ath10k_recalc_rtscts_prot(arvif);
+ if (ret) {
+ ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+ }
+
+ ret = ath10k_clear_peer_keys(arvif, sta->addr);
+ if (ret) {
+ ath10k_warn(ar, "failed to clear all peer wep keys for vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ return ret;
+}
+
+/**************/
+/* Regulatory */
+/**************/
+
+static int ath10k_update_channel_list(struct ath10k *ar)
+{
+ struct ieee80211_hw *hw = ar->hw;
+ struct ieee80211_supported_band **bands;
+ enum nl80211_band band;
+ struct ieee80211_channel *channel;
+ struct wmi_scan_chan_list_arg arg = {0};
+ struct wmi_channel_arg *ch;
+ bool passive;
+ int len;
+ int ret;
+ int i;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ bands = hw->wiphy->bands;
+ for (band = 0; band < NUM_NL80211_BANDS; band++) {
+ if (!bands[band])
+ continue;
+
+ for (i = 0; i < bands[band]->n_channels; i++) {
+ if (bands[band]->channels[i].flags &
+ IEEE80211_CHAN_DISABLED)
+ continue;
+
+ arg.n_channels++;
+ }
+ }
+
+ len = sizeof(struct wmi_channel_arg) * arg.n_channels;
+ arg.channels = kzalloc(len, GFP_KERNEL);
+ if (!arg.channels)
+ return -ENOMEM;
+
+ ch = arg.channels;
+ for (band = 0; band < NUM_NL80211_BANDS; band++) {
+ if (!bands[band])
+ continue;
+
+ for (i = 0; i < bands[band]->n_channels; i++) {
+ channel = &bands[band]->channels[i];
+
+ if (channel->flags & IEEE80211_CHAN_DISABLED)
+ continue;
+
+ ch->allow_ht = true;
+
+ /* FIXME: when should we really allow VHT? */
+ ch->allow_vht = true;
+
+ ch->allow_ibss =
+ !(channel->flags & IEEE80211_CHAN_NO_IR);
+
+ ch->ht40plus =
+ !(channel->flags & IEEE80211_CHAN_NO_HT40PLUS);
+
+ ch->chan_radar =
+ !!(channel->flags & IEEE80211_CHAN_RADAR);
+
+ passive = channel->flags & IEEE80211_CHAN_NO_IR;
+ ch->passive = passive;
+
+ /* the firmware is ignoring the "radar" flag of the
+ * channel and is scanning actively using Probe Requests
+ * on "Radar detection"/DFS channels which are not
+ * marked as "available"
+ */
+ ch->passive |= ch->chan_radar;
+
+ ch->freq = channel->center_freq;
+ ch->band_center_freq1 = channel->center_freq;
+ ch->min_power = 0;
+ ch->max_power = channel->max_power * 2;
+ ch->max_reg_power = channel->max_reg_power * 2;
+ ch->max_antenna_gain = channel->max_antenna_gain;
+ ch->reg_class_id = 0; /* FIXME */
+
+ /* FIXME: why use only legacy modes, why not any
+ * HT/VHT modes? Would that even make any
+ * difference?
+ */
+ if (channel->band == NL80211_BAND_2GHZ)
+ ch->mode = MODE_11G;
+ else
+ ch->mode = MODE_11A;
+
+ if (WARN_ON_ONCE(ch->mode == MODE_UNKNOWN))
+ continue;
+
+ ath10k_dbg(ar, ATH10K_DBG_WMI,
+ "mac channel [%zd/%d] freq %d maxpower %d regpower %d antenna %d mode %d\n",
+ ch - arg.channels, arg.n_channels,
+ ch->freq, ch->max_power, ch->max_reg_power,
+ ch->max_antenna_gain, ch->mode);
+
+ ch++;
+ }
+ }
+
+ ret = ath10k_wmi_scan_chan_list(ar, &arg);
+ kfree(arg.channels);
+
+ return ret;
+}
+
+static enum wmi_dfs_region
+ath10k_mac_get_dfs_region(enum nl80211_dfs_regions dfs_region)
+{
+ switch (dfs_region) {
+ case NL80211_DFS_UNSET:
+ return WMI_UNINIT_DFS_DOMAIN;
+ case NL80211_DFS_FCC:
+ return WMI_FCC_DFS_DOMAIN;
+ case NL80211_DFS_ETSI:
+ return WMI_ETSI_DFS_DOMAIN;
+ case NL80211_DFS_JP:
+ return WMI_MKK4_DFS_DOMAIN;
+ }
+ return WMI_UNINIT_DFS_DOMAIN;
+}
+
+static void ath10k_regd_update(struct ath10k *ar)
+{
+ struct reg_dmn_pair_mapping *regpair;
+ int ret;
+ enum wmi_dfs_region wmi_dfs_reg;
+ enum nl80211_dfs_regions nl_dfs_reg;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ ret = ath10k_update_channel_list(ar);
+ if (ret)
+ ath10k_warn(ar, "failed to update channel list: %d\n", ret);
+
+ regpair = ar->ath_common.regulatory.regpair;
+
+ if (IS_ENABLED(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) {
+ nl_dfs_reg = ar->dfs_detector->region;
+ wmi_dfs_reg = ath10k_mac_get_dfs_region(nl_dfs_reg);
+ } else {
+ wmi_dfs_reg = WMI_UNINIT_DFS_DOMAIN;
+ }
+
+ /* Target allows setting up per-band regdomain but ath_common provides
+ * a combined one only
+ */
+ ret = ath10k_wmi_pdev_set_regdomain(ar,
+ regpair->reg_domain,
+ regpair->reg_domain, /* 2ghz */
+ regpair->reg_domain, /* 5ghz */
+ regpair->reg_2ghz_ctl,
+ regpair->reg_5ghz_ctl,
+ wmi_dfs_reg);
+ if (ret)
+ ath10k_warn(ar, "failed to set pdev regdomain: %d\n", ret);
+}
+
+static void ath10k_mac_update_channel_list(struct ath10k *ar,
+ struct ieee80211_supported_band *band)
+{
+ int i;
+
+ if (ar->low_5ghz_chan && ar->high_5ghz_chan) {
+ for (i = 0; i < band->n_channels; i++) {
+ if (band->channels[i].center_freq < ar->low_5ghz_chan ||
+ band->channels[i].center_freq > ar->high_5ghz_chan)
+ band->channels[i].flags |=
+ IEEE80211_CHAN_DISABLED;
+ }
+ }
+}
+
+static void ath10k_reg_notifier(struct wiphy *wiphy,
+ struct regulatory_request *request)
+{
+ struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
+ struct ath10k *ar = hw->priv;
+ bool result;
+
+ ath_reg_notifier_apply(wiphy, request, &ar->ath_common.regulatory);
+
+ if (IS_ENABLED(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) {
+ ath10k_dbg(ar, ATH10K_DBG_REGULATORY, "dfs region 0x%x\n",
+ request->dfs_region);
+ result = ar->dfs_detector->set_dfs_domain(ar->dfs_detector,
+ request->dfs_region);
+ if (!result)
+ ath10k_warn(ar, "DFS region 0x%X not supported, will trigger radar for every pulse\n",
+ request->dfs_region);
+ }
+
+ mutex_lock(&ar->conf_mutex);
+ if (ar->state == ATH10K_STATE_ON)
+ ath10k_regd_update(ar);
+ mutex_unlock(&ar->conf_mutex);
+
+ if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY)
+ ath10k_mac_update_channel_list(ar,
+ ar->hw->wiphy->bands[NL80211_BAND_5GHZ]);
+}
+
+static void ath10k_stop_radar_confirmation(struct ath10k *ar)
+{
+ spin_lock_bh(&ar->data_lock);
+ ar->radar_conf_state = ATH10K_RADAR_CONFIRMATION_STOPPED;
+ spin_unlock_bh(&ar->data_lock);
+
+ cancel_work_sync(&ar->radar_confirmation_work);
+}
+
+/***************/
+/* TX handlers */
+/***************/
+
+enum ath10k_mac_tx_path {
+ ATH10K_MAC_TX_HTT,
+ ATH10K_MAC_TX_HTT_MGMT,
+ ATH10K_MAC_TX_WMI_MGMT,
+ ATH10K_MAC_TX_UNKNOWN,
+};
+
+void ath10k_mac_tx_lock(struct ath10k *ar, int reason)
+{
+ lockdep_assert_held(&ar->htt.tx_lock);
+
+ WARN_ON(reason >= ATH10K_TX_PAUSE_MAX);
+ ar->tx_paused |= BIT(reason);
+ ieee80211_stop_queues(ar->hw);
+}
+
+static void ath10k_mac_tx_unlock_iter(void *data, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ struct ath10k *ar = data;
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+
+ if (arvif->tx_paused)
+ return;
+
+ ieee80211_wake_queue(ar->hw, arvif->vdev_id);
+}
+
+void ath10k_mac_tx_unlock(struct ath10k *ar, int reason)
+{
+ lockdep_assert_held(&ar->htt.tx_lock);
+
+ WARN_ON(reason >= ATH10K_TX_PAUSE_MAX);
+ ar->tx_paused &= ~BIT(reason);
+
+ if (ar->tx_paused)
+ return;
+
+ ieee80211_iterate_active_interfaces_atomic(ar->hw,
+ IEEE80211_IFACE_ITER_RESUME_ALL,
+ ath10k_mac_tx_unlock_iter,
+ ar);
+
+ ieee80211_wake_queue(ar->hw, ar->hw->offchannel_tx_hw_queue);
+}
+
+void ath10k_mac_vif_tx_lock(struct ath10k_vif *arvif, int reason)
+{
+ struct ath10k *ar = arvif->ar;
+
+ lockdep_assert_held(&ar->htt.tx_lock);
+
+ WARN_ON(reason >= BITS_PER_LONG);
+ arvif->tx_paused |= BIT(reason);
+ ieee80211_stop_queue(ar->hw, arvif->vdev_id);
+}
+
+void ath10k_mac_vif_tx_unlock(struct ath10k_vif *arvif, int reason)
+{
+ struct ath10k *ar = arvif->ar;
+
+ lockdep_assert_held(&ar->htt.tx_lock);
+
+ WARN_ON(reason >= BITS_PER_LONG);
+ arvif->tx_paused &= ~BIT(reason);
+
+ if (ar->tx_paused)
+ return;
+
+ if (arvif->tx_paused)
+ return;
+
+ ieee80211_wake_queue(ar->hw, arvif->vdev_id);
+}
+
+static void ath10k_mac_vif_handle_tx_pause(struct ath10k_vif *arvif,
+ enum wmi_tlv_tx_pause_id pause_id,
+ enum wmi_tlv_tx_pause_action action)
+{
+ struct ath10k *ar = arvif->ar;
+
+ lockdep_assert_held(&ar->htt.tx_lock);
+
+ switch (action) {
+ case WMI_TLV_TX_PAUSE_ACTION_STOP:
+ ath10k_mac_vif_tx_lock(arvif, pause_id);
+ break;
+ case WMI_TLV_TX_PAUSE_ACTION_WAKE:
+ ath10k_mac_vif_tx_unlock(arvif, pause_id);
+ break;
+ default:
+ ath10k_dbg(ar, ATH10K_DBG_BOOT,
+ "received unknown tx pause action %d on vdev %i, ignoring\n",
+ action, arvif->vdev_id);
+ break;
+ }
+}
+
+struct ath10k_mac_tx_pause {
+ u32 vdev_id;
+ enum wmi_tlv_tx_pause_id pause_id;
+ enum wmi_tlv_tx_pause_action action;
+};
+
+static void ath10k_mac_handle_tx_pause_iter(void *data, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ struct ath10k_mac_tx_pause *arg = data;
+
+ if (arvif->vdev_id != arg->vdev_id)
+ return;
+
+ ath10k_mac_vif_handle_tx_pause(arvif, arg->pause_id, arg->action);
+}
+
+void ath10k_mac_handle_tx_pause_vdev(struct ath10k *ar, u32 vdev_id,
+ enum wmi_tlv_tx_pause_id pause_id,
+ enum wmi_tlv_tx_pause_action action)
+{
+ struct ath10k_mac_tx_pause arg = {
+ .vdev_id = vdev_id,
+ .pause_id = pause_id,
+ .action = action,
+ };
+
+ spin_lock_bh(&ar->htt.tx_lock);
+ ieee80211_iterate_active_interfaces_atomic(ar->hw,
+ IEEE80211_IFACE_ITER_RESUME_ALL,
+ ath10k_mac_handle_tx_pause_iter,
+ &arg);
+ spin_unlock_bh(&ar->htt.tx_lock);
+}
+
+static enum ath10k_hw_txrx_mode
+ath10k_mac_tx_h_get_txmode(struct ath10k *ar,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct sk_buff *skb)
+{
+ const struct ieee80211_hdr *hdr = (void *)skb->data;
+ const struct ath10k_skb_cb *skb_cb = ATH10K_SKB_CB(skb);
+ __le16 fc = hdr->frame_control;
+
+ if (!vif || vif->type == NL80211_IFTYPE_MONITOR)
+ return ATH10K_HW_TXRX_RAW;
+
+ if (ieee80211_is_mgmt(fc))
+ return ATH10K_HW_TXRX_MGMT;
+
+ /* Workaround:
+ *
+ * NullFunc frames are mostly used to ping if a client or AP are still
+ * reachable and responsive. This implies tx status reports must be
+ * accurate - otherwise either mac80211 or userspace (e.g. hostapd) can
+ * come to a conclusion that the other end disappeared and tear down
+ * BSS connection or it can never disconnect from BSS/client (which is
+ * the case).
+ *
+ * Firmware with HTT older than 3.0 delivers incorrect tx status for
+ * NullFunc frames to driver. However there's a HTT Mgmt Tx command
+ * which seems to deliver correct tx reports for NullFunc frames. The
+ * downside of using it is it ignores client powersave state so it can
+ * end up disconnecting sleeping clients in AP mode. It should fix STA
+ * mode though because AP don't sleep.
+ */
+ if (ar->htt.target_version_major < 3 &&
+ (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc)) &&
+ !test_bit(ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX,
+ ar->running_fw->fw_file.fw_features))
+ return ATH10K_HW_TXRX_MGMT;
+
+ /* Workaround:
+ *
+ * Some wmi-tlv firmwares for qca6174 have broken Tx key selection for
+ * NativeWifi txmode - it selects AP key instead of peer key. It seems
+ * to work with Ethernet txmode so use it.
+ *
+ * FIXME: Check if raw mode works with TDLS.
+ */
+ if (ieee80211_is_data_present(fc) && sta && sta->tdls)
+ return ATH10K_HW_TXRX_ETHERNET;
+
+ if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags) ||
+ skb_cb->flags & ATH10K_SKB_F_RAW_TX)
+ return ATH10K_HW_TXRX_RAW;
+
+ return ATH10K_HW_TXRX_NATIVE_WIFI;
+}
+
+static bool ath10k_tx_h_use_hwcrypto(struct ieee80211_vif *vif,
+ struct sk_buff *skb)
+{
+ const struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ const struct ieee80211_hdr *hdr = (void *)skb->data;
+ const u32 mask = IEEE80211_TX_INTFL_DONT_ENCRYPT |
+ IEEE80211_TX_CTL_INJECTED;
+
+ if (!ieee80211_has_protected(hdr->frame_control))
+ return false;
+
+ if ((info->flags & mask) == mask)
+ return false;
+
+ if (vif)
+ return !((struct ath10k_vif *)vif->drv_priv)->nohwcrypt;
+
+ return true;
+}
+
+/* HTT Tx uses Native Wifi tx mode which expects 802.11 frames without QoS
+ * Control in the header.
+ */
+static void ath10k_tx_h_nwifi(struct ieee80211_hw *hw, struct sk_buff *skb)
+{
+ struct ieee80211_hdr *hdr = (void *)skb->data;
+ struct ath10k_skb_cb *cb = ATH10K_SKB_CB(skb);
+ u8 *qos_ctl;
+
+ if (!ieee80211_is_data_qos(hdr->frame_control))
+ return;
+
+ qos_ctl = ieee80211_get_qos_ctl(hdr);
+ memmove(skb->data + IEEE80211_QOS_CTL_LEN,
+ skb->data, (void *)qos_ctl - (void *)skb->data);
+ skb_pull(skb, IEEE80211_QOS_CTL_LEN);
+
+ /* Some firmware revisions don't handle sending QoS NullFunc well.
+ * These frames are mainly used for CQM purposes so it doesn't really
+ * matter whether QoS NullFunc or NullFunc are sent.
+ */
+ hdr = (void *)skb->data;
+ if (ieee80211_is_qos_nullfunc(hdr->frame_control))
+ cb->flags &= ~ATH10K_SKB_F_QOS;
+
+ hdr->frame_control &= ~__cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
+}
+
+static void ath10k_tx_h_8023(struct sk_buff *skb)
+{
+ struct ieee80211_hdr *hdr;
+ struct rfc1042_hdr *rfc1042;
+ struct ethhdr *eth;
+ size_t hdrlen;
+ u8 da[ETH_ALEN];
+ u8 sa[ETH_ALEN];
+ __be16 type;
+
+ hdr = (void *)skb->data;
+ hdrlen = ieee80211_hdrlen(hdr->frame_control);
+ rfc1042 = (void *)skb->data + hdrlen;
+
+ ether_addr_copy(da, ieee80211_get_DA(hdr));
+ ether_addr_copy(sa, ieee80211_get_SA(hdr));
+ type = rfc1042->snap_type;
+
+ skb_pull(skb, hdrlen + sizeof(*rfc1042));
+ skb_push(skb, sizeof(*eth));
+
+ eth = (void *)skb->data;
+ ether_addr_copy(eth->h_dest, da);
+ ether_addr_copy(eth->h_source, sa);
+ eth->h_proto = type;
+}
+
+static void ath10k_tx_h_add_p2p_noa_ie(struct ath10k *ar,
+ struct ieee80211_vif *vif,
+ struct sk_buff *skb)
+{
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+
+ /* This is case only for P2P_GO */
+ if (vif->type != NL80211_IFTYPE_AP || !vif->p2p)
+ return;
+
+ if (unlikely(ieee80211_is_probe_resp(hdr->frame_control))) {
+ spin_lock_bh(&ar->data_lock);
+ if (arvif->u.ap.noa_data)
+ if (!pskb_expand_head(skb, 0, arvif->u.ap.noa_len,
+ GFP_ATOMIC))
+ skb_put_data(skb, arvif->u.ap.noa_data,
+ arvif->u.ap.noa_len);
+ spin_unlock_bh(&ar->data_lock);
+ }
+}
+
+static void ath10k_mac_tx_h_fill_cb(struct ath10k *ar,
+ struct ieee80211_vif *vif,
+ struct ieee80211_txq *txq,
+ struct sk_buff *skb, u16 airtime)
+{
+ struct ieee80211_hdr *hdr = (void *)skb->data;
+ struct ath10k_skb_cb *cb = ATH10K_SKB_CB(skb);
+ const struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ bool is_data = ieee80211_is_data(hdr->frame_control) ||
+ ieee80211_is_data_qos(hdr->frame_control);
+
+ cb->flags = 0;
+ if (!ath10k_tx_h_use_hwcrypto(vif, skb))
+ cb->flags |= ATH10K_SKB_F_NO_HWCRYPT;
+
+ if (ieee80211_is_mgmt(hdr->frame_control))
+ cb->flags |= ATH10K_SKB_F_MGMT;
+
+ if (ieee80211_is_data_qos(hdr->frame_control))
+ cb->flags |= ATH10K_SKB_F_QOS;
+
+ /* Data frames encrypted in software will be posted to firmware
+ * with tx encap mode set to RAW. Ex: Multicast traffic generated
+ * for a specific VLAN group will always be encrypted in software.
+ */
+ if (is_data && ieee80211_has_protected(hdr->frame_control) &&
+ !info->control.hw_key) {
+ cb->flags |= ATH10K_SKB_F_NO_HWCRYPT;
+ cb->flags |= ATH10K_SKB_F_RAW_TX;
+ }
+
+ cb->vif = vif;
+ cb->txq = txq;
+ cb->airtime_est = airtime;
+}
+
+bool ath10k_mac_tx_frm_has_freq(struct ath10k *ar)
+{
+ /* FIXME: Not really sure since when the behaviour changed. At some
+ * point new firmware stopped requiring creation of peer entries for
+ * offchannel tx (and actually creating them causes issues with wmi-htc
+ * tx credit replenishment and reliability). Assuming it's at least 3.4
+ * because that's when the `freq` was introduced to TX_FRM HTT command.
+ */
+ return (ar->htt.target_version_major >= 3 &&
+ ar->htt.target_version_minor >= 4 &&
+ ar->running_fw->fw_file.htt_op_version == ATH10K_FW_HTT_OP_VERSION_TLV);
+}
+
+static int ath10k_mac_tx_wmi_mgmt(struct ath10k *ar, struct sk_buff *skb)
+{
+ struct sk_buff_head *q = &ar->wmi_mgmt_tx_queue;
+
+ if (skb_queue_len_lockless(q) >= ATH10K_MAX_NUM_MGMT_PENDING) {
+ ath10k_warn(ar, "wmi mgmt tx queue is full\n");
+ return -ENOSPC;
+ }
+
+ skb_queue_tail(q, skb);
+ ieee80211_queue_work(ar->hw, &ar->wmi_mgmt_tx_work);
+
+ return 0;
+}
+
+static enum ath10k_mac_tx_path
+ath10k_mac_tx_h_get_txpath(struct ath10k *ar,
+ struct sk_buff *skb,
+ enum ath10k_hw_txrx_mode txmode)
+{
+ switch (txmode) {
+ case ATH10K_HW_TXRX_RAW:
+ case ATH10K_HW_TXRX_NATIVE_WIFI:
+ case ATH10K_HW_TXRX_ETHERNET:
+ return ATH10K_MAC_TX_HTT;
+ case ATH10K_HW_TXRX_MGMT:
+ if (test_bit(ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX,
+ ar->running_fw->fw_file.fw_features) ||
+ test_bit(WMI_SERVICE_MGMT_TX_WMI,
+ ar->wmi.svc_map))
+ return ATH10K_MAC_TX_WMI_MGMT;
+ else if (ar->htt.target_version_major >= 3)
+ return ATH10K_MAC_TX_HTT;
+ else
+ return ATH10K_MAC_TX_HTT_MGMT;
+ }
+
+ return ATH10K_MAC_TX_UNKNOWN;
+}
+
+static int ath10k_mac_tx_submit(struct ath10k *ar,
+ enum ath10k_hw_txrx_mode txmode,
+ enum ath10k_mac_tx_path txpath,
+ struct sk_buff *skb)
+{
+ struct ath10k_htt *htt = &ar->htt;
+ int ret = -EINVAL;
+
+ switch (txpath) {
+ case ATH10K_MAC_TX_HTT:
+ ret = ath10k_htt_tx(htt, txmode, skb);
+ break;
+ case ATH10K_MAC_TX_HTT_MGMT:
+ ret = ath10k_htt_mgmt_tx(htt, skb);
+ break;
+ case ATH10K_MAC_TX_WMI_MGMT:
+ ret = ath10k_mac_tx_wmi_mgmt(ar, skb);
+ break;
+ case ATH10K_MAC_TX_UNKNOWN:
+ WARN_ON_ONCE(1);
+ ret = -EINVAL;
+ break;
+ }
+
+ if (ret) {
+ ath10k_warn(ar, "failed to transmit packet, dropping: %d\n",
+ ret);
+ ieee80211_free_txskb(ar->hw, skb);
+ }
+
+ return ret;
+}
+
+/* This function consumes the sk_buff regardless of return value as far as
+ * caller is concerned so no freeing is necessary afterwards.
+ */
+static int ath10k_mac_tx(struct ath10k *ar,
+ struct ieee80211_vif *vif,
+ enum ath10k_hw_txrx_mode txmode,
+ enum ath10k_mac_tx_path txpath,
+ struct sk_buff *skb, bool noque_offchan)
+{
+ struct ieee80211_hw *hw = ar->hw;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ const struct ath10k_skb_cb *skb_cb = ATH10K_SKB_CB(skb);
+ int ret;
+
+ /* We should disable CCK RATE due to P2P */
+ if (info->flags & IEEE80211_TX_CTL_NO_CCK_RATE)
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "IEEE80211_TX_CTL_NO_CCK_RATE\n");
+
+ switch (txmode) {
+ case ATH10K_HW_TXRX_MGMT:
+ case ATH10K_HW_TXRX_NATIVE_WIFI:
+ ath10k_tx_h_nwifi(hw, skb);
+ ath10k_tx_h_add_p2p_noa_ie(ar, vif, skb);
+ ath10k_tx_h_seq_no(vif, skb);
+ break;
+ case ATH10K_HW_TXRX_ETHERNET:
+ ath10k_tx_h_8023(skb);
+ break;
+ case ATH10K_HW_TXRX_RAW:
+ if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags) &&
+ !(skb_cb->flags & ATH10K_SKB_F_RAW_TX)) {
+ WARN_ON_ONCE(1);
+ ieee80211_free_txskb(hw, skb);
+ return -ENOTSUPP;
+ }
+ }
+
+ if (!noque_offchan && info->flags & IEEE80211_TX_CTL_TX_OFFCHAN) {
+ if (!ath10k_mac_tx_frm_has_freq(ar)) {
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac queued offchannel skb %pK len %d\n",
+ skb, skb->len);
+
+ skb_queue_tail(&ar->offchan_tx_queue, skb);
+ ieee80211_queue_work(hw, &ar->offchan_tx_work);
+ return 0;
+ }
+ }
+
+ ret = ath10k_mac_tx_submit(ar, txmode, txpath, skb);
+ if (ret) {
+ ath10k_warn(ar, "failed to submit frame: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+void ath10k_offchan_tx_purge(struct ath10k *ar)
+{
+ struct sk_buff *skb;
+
+ for (;;) {
+ skb = skb_dequeue(&ar->offchan_tx_queue);
+ if (!skb)
+ break;
+
+ ieee80211_free_txskb(ar->hw, skb);
+ }
+}
+
+void ath10k_offchan_tx_work(struct work_struct *work)
+{
+ struct ath10k *ar = container_of(work, struct ath10k, offchan_tx_work);
+ struct ath10k_peer *peer;
+ struct ath10k_vif *arvif;
+ enum ath10k_hw_txrx_mode txmode;
+ enum ath10k_mac_tx_path txpath;
+ struct ieee80211_hdr *hdr;
+ struct ieee80211_vif *vif;
+ struct ieee80211_sta *sta;
+ struct sk_buff *skb;
+ const u8 *peer_addr;
+ int vdev_id;
+ int ret;
+ unsigned long time_left;
+ bool tmp_peer_created = false;
+
+ /* FW requirement: We must create a peer before FW will send out
+ * an offchannel frame. Otherwise the frame will be stuck and
+ * never transmitted. We delete the peer upon tx completion.
+ * It is unlikely that a peer for offchannel tx will already be
+ * present. However it may be in some rare cases so account for that.
+ * Otherwise we might remove a legitimate peer and break stuff.
+ */
+
+ for (;;) {
+ skb = skb_dequeue(&ar->offchan_tx_queue);
+ if (!skb)
+ break;
+
+ mutex_lock(&ar->conf_mutex);
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac offchannel skb %pK len %d\n",
+ skb, skb->len);
+
+ hdr = (struct ieee80211_hdr *)skb->data;
+ peer_addr = ieee80211_get_DA(hdr);
+
+ spin_lock_bh(&ar->data_lock);
+ vdev_id = ar->scan.vdev_id;
+ peer = ath10k_peer_find(ar, vdev_id, peer_addr);
+ spin_unlock_bh(&ar->data_lock);
+
+ if (peer)
+ /* FIXME: should this use ath10k_warn()? */
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "peer %pM on vdev %d already present\n",
+ peer_addr, vdev_id);
+
+ if (!peer) {
+ ret = ath10k_peer_create(ar, NULL, NULL, vdev_id,
+ peer_addr,
+ WMI_PEER_TYPE_DEFAULT);
+ if (ret)
+ ath10k_warn(ar, "failed to create peer %pM on vdev %d: %d\n",
+ peer_addr, vdev_id, ret);
+ tmp_peer_created = (ret == 0);
+ }
+
+ spin_lock_bh(&ar->data_lock);
+ reinit_completion(&ar->offchan_tx_completed);
+ ar->offchan_tx_skb = skb;
+ spin_unlock_bh(&ar->data_lock);
+
+ /* It's safe to access vif and sta - conf_mutex guarantees that
+ * sta_state() and remove_interface() are locked exclusively
+ * out wrt to this offchannel worker.
+ */
+ arvif = ath10k_get_arvif(ar, vdev_id);
+ if (arvif) {
+ vif = arvif->vif;
+ sta = ieee80211_find_sta(vif, peer_addr);
+ } else {
+ vif = NULL;
+ sta = NULL;
+ }
+
+ txmode = ath10k_mac_tx_h_get_txmode(ar, vif, sta, skb);
+ txpath = ath10k_mac_tx_h_get_txpath(ar, skb, txmode);
+
+ ret = ath10k_mac_tx(ar, vif, txmode, txpath, skb, true);
+ if (ret) {
+ ath10k_warn(ar, "failed to transmit offchannel frame: %d\n",
+ ret);
+ /* not serious */
+ }
+
+ time_left =
+ wait_for_completion_timeout(&ar->offchan_tx_completed, 3 * HZ);
+ if (time_left == 0)
+ ath10k_warn(ar, "timed out waiting for offchannel skb %pK, len: %d\n",
+ skb, skb->len);
+
+ if (!peer && tmp_peer_created) {
+ ret = ath10k_peer_delete(ar, vdev_id, peer_addr);
+ if (ret)
+ ath10k_warn(ar, "failed to delete peer %pM on vdev %d: %d\n",
+ peer_addr, vdev_id, ret);
+ }
+
+ mutex_unlock(&ar->conf_mutex);
+ }
+}
+
+void ath10k_mgmt_over_wmi_tx_purge(struct ath10k *ar)
+{
+ struct sk_buff *skb;
+
+ for (;;) {
+ skb = skb_dequeue(&ar->wmi_mgmt_tx_queue);
+ if (!skb)
+ break;
+
+ ieee80211_free_txskb(ar->hw, skb);
+ }
+}
+
+void ath10k_mgmt_over_wmi_tx_work(struct work_struct *work)
+{
+ struct ath10k *ar = container_of(work, struct ath10k, wmi_mgmt_tx_work);
+ struct sk_buff *skb;
+ dma_addr_t paddr;
+ int ret;
+
+ for (;;) {
+ skb = skb_dequeue(&ar->wmi_mgmt_tx_queue);
+ if (!skb)
+ break;
+
+ if (test_bit(ATH10K_FW_FEATURE_MGMT_TX_BY_REF,
+ ar->running_fw->fw_file.fw_features)) {
+ paddr = dma_map_single(ar->dev, skb->data,
+ skb->len, DMA_TO_DEVICE);
+ if (dma_mapping_error(ar->dev, paddr)) {
+ ieee80211_free_txskb(ar->hw, skb);
+ continue;
+ }
+ ret = ath10k_wmi_mgmt_tx_send(ar, skb, paddr);
+ if (ret) {
+ ath10k_warn(ar, "failed to transmit management frame by ref via WMI: %d\n",
+ ret);
+ /* remove this msdu from idr tracking */
+ ath10k_wmi_cleanup_mgmt_tx_send(ar, skb);
+
+ dma_unmap_single(ar->dev, paddr, skb->len,
+ DMA_TO_DEVICE);
+ ieee80211_free_txskb(ar->hw, skb);
+ }
+ } else {
+ ret = ath10k_wmi_mgmt_tx(ar, skb);
+ if (ret) {
+ ath10k_warn(ar, "failed to transmit management frame via WMI: %d\n",
+ ret);
+ ieee80211_free_txskb(ar->hw, skb);
+ }
+ }
+ }
+}
+
+static void ath10k_mac_txq_init(struct ieee80211_txq *txq)
+{
+ struct ath10k_txq *artxq;
+
+ if (!txq)
+ return;
+
+ artxq = (void *)txq->drv_priv;
+ INIT_LIST_HEAD(&artxq->list);
+}
+
+static void ath10k_mac_txq_unref(struct ath10k *ar, struct ieee80211_txq *txq)
+{
+ struct ath10k_skb_cb *cb;
+ struct sk_buff *msdu;
+ int msdu_id;
+
+ if (!txq)
+ return;
+
+ spin_lock_bh(&ar->htt.tx_lock);
+ idr_for_each_entry(&ar->htt.pending_tx, msdu, msdu_id) {
+ cb = ATH10K_SKB_CB(msdu);
+ if (cb->txq == txq)
+ cb->txq = NULL;
+ }
+ spin_unlock_bh(&ar->htt.tx_lock);
+}
+
+struct ieee80211_txq *ath10k_mac_txq_lookup(struct ath10k *ar,
+ u16 peer_id,
+ u8 tid)
+{
+ struct ath10k_peer *peer;
+
+ lockdep_assert_held(&ar->data_lock);
+
+ peer = ar->peer_map[peer_id];
+ if (!peer)
+ return NULL;
+
+ if (peer->removed)
+ return NULL;
+
+ if (peer->sta)
+ return peer->sta->txq[tid];
+ else if (peer->vif)
+ return peer->vif->txq;
+ else
+ return NULL;
+}
+
+static bool ath10k_mac_tx_can_push(struct ieee80211_hw *hw,
+ struct ieee80211_txq *txq)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_txq *artxq = (void *)txq->drv_priv;
+
+ /* No need to get locks */
+ if (ar->htt.tx_q_state.mode == HTT_TX_MODE_SWITCH_PUSH)
+ return true;
+
+ if (ar->htt.num_pending_tx < ar->htt.tx_q_state.num_push_allowed)
+ return true;
+
+ if (artxq->num_fw_queued < artxq->num_push_allowed)
+ return true;
+
+ return false;
+}
+
+/* Return estimated airtime in microsecond, which is calculated using last
+ * reported TX rate. This is just a rough estimation because host driver has no
+ * knowledge of the actual transmit rate, retries or aggregation. If actual
+ * airtime can be reported by firmware, then delta between estimated and actual
+ * airtime can be adjusted from deficit.
+ */
+#define IEEE80211_ATF_OVERHEAD 100 /* IFS + some slot time */
+#define IEEE80211_ATF_OVERHEAD_IFS 16 /* IFS only */
+static u16 ath10k_mac_update_airtime(struct ath10k *ar,
+ struct ieee80211_txq *txq,
+ struct sk_buff *skb)
+{
+ struct ath10k_sta *arsta;
+ u32 pktlen;
+ u16 airtime = 0;
+
+ if (!txq || !txq->sta)
+ return airtime;
+
+ if (test_bit(WMI_SERVICE_REPORT_AIRTIME, ar->wmi.svc_map))
+ return airtime;
+
+ spin_lock_bh(&ar->data_lock);
+ arsta = (struct ath10k_sta *)txq->sta->drv_priv;
+
+ pktlen = skb->len + 38; /* Assume MAC header 30, SNAP 8 for most case */
+ if (arsta->last_tx_bitrate) {
+ /* airtime in us, last_tx_bitrate in 100kbps */
+ airtime = (pktlen * 8 * (1000 / 100))
+ / arsta->last_tx_bitrate;
+ /* overhead for media access time and IFS */
+ airtime += IEEE80211_ATF_OVERHEAD_IFS;
+ } else {
+ /* This is mostly for throttle excessive BC/MC frames, and the
+ * airtime/rate doesn't need be exact. Airtime of BC/MC frames
+ * in 2G get some discount, which helps prevent very low rate
+ * frames from being blocked for too long.
+ */
+ airtime = (pktlen * 8 * (1000 / 100)) / 60; /* 6M */
+ airtime += IEEE80211_ATF_OVERHEAD;
+ }
+ spin_unlock_bh(&ar->data_lock);
+
+ return airtime;
+}
+
+int ath10k_mac_tx_push_txq(struct ieee80211_hw *hw,
+ struct ieee80211_txq *txq)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_htt *htt = &ar->htt;
+ struct ath10k_txq *artxq = (void *)txq->drv_priv;
+ struct ieee80211_vif *vif = txq->vif;
+ struct ieee80211_sta *sta = txq->sta;
+ enum ath10k_hw_txrx_mode txmode;
+ enum ath10k_mac_tx_path txpath;
+ struct sk_buff *skb;
+ struct ieee80211_hdr *hdr;
+ size_t skb_len;
+ bool is_mgmt, is_presp;
+ int ret;
+ u16 airtime;
+
+ spin_lock_bh(&ar->htt.tx_lock);
+ ret = ath10k_htt_tx_inc_pending(htt);
+ spin_unlock_bh(&ar->htt.tx_lock);
+
+ if (ret)
+ return ret;
+
+ skb = ieee80211_tx_dequeue(hw, txq);
+ if (!skb) {
+ spin_lock_bh(&ar->htt.tx_lock);
+ ath10k_htt_tx_dec_pending(htt);
+ spin_unlock_bh(&ar->htt.tx_lock);
+
+ return -ENOENT;
+ }
+
+ airtime = ath10k_mac_update_airtime(ar, txq, skb);
+ ath10k_mac_tx_h_fill_cb(ar, vif, txq, skb, airtime);
+
+ skb_len = skb->len;
+ txmode = ath10k_mac_tx_h_get_txmode(ar, vif, sta, skb);
+ txpath = ath10k_mac_tx_h_get_txpath(ar, skb, txmode);
+ is_mgmt = (txpath == ATH10K_MAC_TX_HTT_MGMT);
+
+ if (is_mgmt) {
+ hdr = (struct ieee80211_hdr *)skb->data;
+ is_presp = ieee80211_is_probe_resp(hdr->frame_control);
+
+ spin_lock_bh(&ar->htt.tx_lock);
+ ret = ath10k_htt_tx_mgmt_inc_pending(htt, is_mgmt, is_presp);
+
+ if (ret) {
+ ath10k_htt_tx_dec_pending(htt);
+ spin_unlock_bh(&ar->htt.tx_lock);
+ return ret;
+ }
+ spin_unlock_bh(&ar->htt.tx_lock);
+ }
+
+ ret = ath10k_mac_tx(ar, vif, txmode, txpath, skb, false);
+ if (unlikely(ret)) {
+ ath10k_warn(ar, "failed to push frame: %d\n", ret);
+
+ spin_lock_bh(&ar->htt.tx_lock);
+ ath10k_htt_tx_dec_pending(htt);
+ if (is_mgmt)
+ ath10k_htt_tx_mgmt_dec_pending(htt);
+ spin_unlock_bh(&ar->htt.tx_lock);
+
+ return ret;
+ }
+
+ spin_lock_bh(&ar->htt.tx_lock);
+ artxq->num_fw_queued++;
+ spin_unlock_bh(&ar->htt.tx_lock);
+
+ return skb_len;
+}
+
+static int ath10k_mac_schedule_txq(struct ieee80211_hw *hw, u32 ac)
+{
+ struct ieee80211_txq *txq;
+ int ret = 0;
+
+ ieee80211_txq_schedule_start(hw, ac);
+ while ((txq = ieee80211_next_txq(hw, ac))) {
+ while (ath10k_mac_tx_can_push(hw, txq)) {
+ ret = ath10k_mac_tx_push_txq(hw, txq);
+ if (ret < 0)
+ break;
+ }
+ ieee80211_return_txq(hw, txq, false);
+ ath10k_htt_tx_txq_update(hw, txq);
+ if (ret == -EBUSY)
+ break;
+ }
+ ieee80211_txq_schedule_end(hw, ac);
+
+ return ret;
+}
+
+void ath10k_mac_tx_push_pending(struct ath10k *ar)
+{
+ struct ieee80211_hw *hw = ar->hw;
+ u32 ac;
+
+ if (ar->htt.tx_q_state.mode != HTT_TX_MODE_SWITCH_PUSH)
+ return;
+
+ if (ar->htt.num_pending_tx >= (ar->htt.max_num_pending_tx / 2))
+ return;
+
+ rcu_read_lock();
+ for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
+ if (ath10k_mac_schedule_txq(hw, ac) == -EBUSY)
+ break;
+ }
+ rcu_read_unlock();
+}
+EXPORT_SYMBOL(ath10k_mac_tx_push_pending);
+
+/************/
+/* Scanning */
+/************/
+
+void __ath10k_scan_finish(struct ath10k *ar)
+{
+ lockdep_assert_held(&ar->data_lock);
+
+ switch (ar->scan.state) {
+ case ATH10K_SCAN_IDLE:
+ break;
+ case ATH10K_SCAN_RUNNING:
+ case ATH10K_SCAN_ABORTING:
+ if (!ar->scan.is_roc) {
+ struct cfg80211_scan_info info = {
+ .aborted = (ar->scan.state ==
+ ATH10K_SCAN_ABORTING),
+ };
+
+ ieee80211_scan_completed(ar->hw, &info);
+ } else if (ar->scan.roc_notify) {
+ ieee80211_remain_on_channel_expired(ar->hw);
+ }
+ /* fall through */
+ case ATH10K_SCAN_STARTING:
+ ar->scan.state = ATH10K_SCAN_IDLE;
+ ar->scan_channel = NULL;
+ ar->scan.roc_freq = 0;
+ ath10k_offchan_tx_purge(ar);
+ cancel_delayed_work(&ar->scan.timeout);
+ complete(&ar->scan.completed);
+ break;
+ }
+}
+
+void ath10k_scan_finish(struct ath10k *ar)
+{
+ spin_lock_bh(&ar->data_lock);
+ __ath10k_scan_finish(ar);
+ spin_unlock_bh(&ar->data_lock);
+}
+
+static int ath10k_scan_stop(struct ath10k *ar)
+{
+ struct wmi_stop_scan_arg arg = {
+ .req_id = 1, /* FIXME */
+ .req_type = WMI_SCAN_STOP_ONE,
+ .u.scan_id = ATH10K_SCAN_ID,
+ };
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ ret = ath10k_wmi_stop_scan(ar, &arg);
+ if (ret) {
+ ath10k_warn(ar, "failed to stop wmi scan: %d\n", ret);
+ goto out;
+ }
+
+ ret = wait_for_completion_timeout(&ar->scan.completed, 3 * HZ);
+ if (ret == 0) {
+ ath10k_warn(ar, "failed to receive scan abortion completion: timed out\n");
+ ret = -ETIMEDOUT;
+ } else if (ret > 0) {
+ ret = 0;
+ }
+
+out:
+ /* Scan state should be updated upon scan completion but in case
+ * firmware fails to deliver the event (for whatever reason) it is
+ * desired to clean up scan state anyway. Firmware may have just
+ * dropped the scan completion event delivery due to transport pipe
+ * being overflown with data and/or it can recover on its own before
+ * next scan request is submitted.
+ */
+ spin_lock_bh(&ar->data_lock);
+ if (ar->scan.state != ATH10K_SCAN_IDLE)
+ __ath10k_scan_finish(ar);
+ spin_unlock_bh(&ar->data_lock);
+
+ return ret;
+}
+
+static void ath10k_scan_abort(struct ath10k *ar)
+{
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ spin_lock_bh(&ar->data_lock);
+
+ switch (ar->scan.state) {
+ case ATH10K_SCAN_IDLE:
+ /* This can happen if timeout worker kicked in and called
+ * abortion while scan completion was being processed.
+ */
+ break;
+ case ATH10K_SCAN_STARTING:
+ case ATH10K_SCAN_ABORTING:
+ ath10k_warn(ar, "refusing scan abortion due to invalid scan state: %s (%d)\n",
+ ath10k_scan_state_str(ar->scan.state),
+ ar->scan.state);
+ break;
+ case ATH10K_SCAN_RUNNING:
+ ar->scan.state = ATH10K_SCAN_ABORTING;
+ spin_unlock_bh(&ar->data_lock);
+
+ ret = ath10k_scan_stop(ar);
+ if (ret)
+ ath10k_warn(ar, "failed to abort scan: %d\n", ret);
+
+ spin_lock_bh(&ar->data_lock);
+ break;
+ }
+
+ spin_unlock_bh(&ar->data_lock);
+}
+
+void ath10k_scan_timeout_work(struct work_struct *work)
+{
+ struct ath10k *ar = container_of(work, struct ath10k,
+ scan.timeout.work);
+
+ mutex_lock(&ar->conf_mutex);
+ ath10k_scan_abort(ar);
+ mutex_unlock(&ar->conf_mutex);
+}
+
+static int ath10k_start_scan(struct ath10k *ar,
+ const struct wmi_start_scan_arg *arg)
+{
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ ret = ath10k_wmi_start_scan(ar, arg);
+ if (ret)
+ return ret;
+
+ ret = wait_for_completion_timeout(&ar->scan.started, 1 * HZ);
+ if (ret == 0) {
+ ret = ath10k_scan_stop(ar);
+ if (ret)
+ ath10k_warn(ar, "failed to stop scan: %d\n", ret);
+
+ return -ETIMEDOUT;
+ }
+
+ /* If we failed to start the scan, return error code at
+ * this point. This is probably due to some issue in the
+ * firmware, but no need to wedge the driver due to that...
+ */
+ spin_lock_bh(&ar->data_lock);
+ if (ar->scan.state == ATH10K_SCAN_IDLE) {
+ spin_unlock_bh(&ar->data_lock);
+ return -EINVAL;
+ }
+ spin_unlock_bh(&ar->data_lock);
+
+ return 0;
+}
+
+/**********************/
+/* mac80211 callbacks */
+/**********************/
+
+static void ath10k_mac_op_tx(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_htt *htt = &ar->htt;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct ieee80211_vif *vif = info->control.vif;
+ struct ieee80211_sta *sta = control->sta;
+ struct ieee80211_txq *txq = NULL;
+ struct ieee80211_hdr *hdr = (void *)skb->data;
+ enum ath10k_hw_txrx_mode txmode;
+ enum ath10k_mac_tx_path txpath;
+ bool is_htt;
+ bool is_mgmt;
+ bool is_presp;
+ int ret;
+ u16 airtime;
+
+ airtime = ath10k_mac_update_airtime(ar, txq, skb);
+ ath10k_mac_tx_h_fill_cb(ar, vif, txq, skb, airtime);
+
+ txmode = ath10k_mac_tx_h_get_txmode(ar, vif, sta, skb);
+ txpath = ath10k_mac_tx_h_get_txpath(ar, skb, txmode);
+ is_htt = (txpath == ATH10K_MAC_TX_HTT ||
+ txpath == ATH10K_MAC_TX_HTT_MGMT);
+ is_mgmt = (txpath == ATH10K_MAC_TX_HTT_MGMT);
+
+ if (is_htt) {
+ spin_lock_bh(&ar->htt.tx_lock);
+ is_presp = ieee80211_is_probe_resp(hdr->frame_control);
+
+ ret = ath10k_htt_tx_inc_pending(htt);
+ if (ret) {
+ ath10k_warn(ar, "failed to increase tx pending count: %d, dropping\n",
+ ret);
+ spin_unlock_bh(&ar->htt.tx_lock);
+ ieee80211_free_txskb(ar->hw, skb);
+ return;
+ }
+
+ ret = ath10k_htt_tx_mgmt_inc_pending(htt, is_mgmt, is_presp);
+ if (ret) {
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "failed to increase tx mgmt pending count: %d, dropping\n",
+ ret);
+ ath10k_htt_tx_dec_pending(htt);
+ spin_unlock_bh(&ar->htt.tx_lock);
+ ieee80211_free_txskb(ar->hw, skb);
+ return;
+ }
+ spin_unlock_bh(&ar->htt.tx_lock);
+ }
+
+ ret = ath10k_mac_tx(ar, vif, txmode, txpath, skb, false);
+ if (ret) {
+ ath10k_warn(ar, "failed to transmit frame: %d\n", ret);
+ if (is_htt) {
+ spin_lock_bh(&ar->htt.tx_lock);
+ ath10k_htt_tx_dec_pending(htt);
+ if (is_mgmt)
+ ath10k_htt_tx_mgmt_dec_pending(htt);
+ spin_unlock_bh(&ar->htt.tx_lock);
+ }
+ return;
+ }
+}
+
+static void ath10k_mac_op_wake_tx_queue(struct ieee80211_hw *hw,
+ struct ieee80211_txq *txq)
+{
+ struct ath10k *ar = hw->priv;
+ int ret;
+ u8 ac;
+
+ ath10k_htt_tx_txq_update(hw, txq);
+ if (ar->htt.tx_q_state.mode != HTT_TX_MODE_SWITCH_PUSH)
+ return;
+
+ ac = txq->ac;
+ ieee80211_txq_schedule_start(hw, ac);
+ txq = ieee80211_next_txq(hw, ac);
+ if (!txq)
+ goto out;
+
+ while (ath10k_mac_tx_can_push(hw, txq)) {
+ ret = ath10k_mac_tx_push_txq(hw, txq);
+ if (ret < 0)
+ break;
+ }
+ ieee80211_return_txq(hw, txq, false);
+ ath10k_htt_tx_txq_update(hw, txq);
+out:
+ ieee80211_txq_schedule_end(hw, ac);
+}
+
+/* Must not be called with conf_mutex held as workers can use that also. */
+void ath10k_drain_tx(struct ath10k *ar)
+{
+ /* make sure rcu-protected mac80211 tx path itself is drained */
+ synchronize_net();
+
+ ath10k_offchan_tx_purge(ar);
+ ath10k_mgmt_over_wmi_tx_purge(ar);
+
+ cancel_work_sync(&ar->offchan_tx_work);
+ cancel_work_sync(&ar->wmi_mgmt_tx_work);
+}
+
+void ath10k_halt(struct ath10k *ar)
+{
+ struct ath10k_vif *arvif;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
+ ar->filter_flags = 0;
+ ar->monitor = false;
+ ar->monitor_arvif = NULL;
+
+ if (ar->monitor_started)
+ ath10k_monitor_stop(ar);
+
+ ar->monitor_started = false;
+ ar->tx_paused = 0;
+
+ ath10k_scan_finish(ar);
+ ath10k_peer_cleanup_all(ar);
+ ath10k_stop_radar_confirmation(ar);
+ ath10k_core_stop(ar);
+ ath10k_hif_power_down(ar);
+
+ spin_lock_bh(&ar->data_lock);
+ list_for_each_entry(arvif, &ar->arvifs, list)
+ ath10k_mac_vif_beacon_cleanup(arvif);
+ spin_unlock_bh(&ar->data_lock);
+}
+
+static int ath10k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
+{
+ struct ath10k *ar = hw->priv;
+
+ mutex_lock(&ar->conf_mutex);
+
+ *tx_ant = ar->cfg_tx_chainmask;
+ *rx_ant = ar->cfg_rx_chainmask;
+
+ mutex_unlock(&ar->conf_mutex);
+
+ return 0;
+}
+
+static void ath10k_check_chain_mask(struct ath10k *ar, u32 cm, const char *dbg)
+{
+ /* It is not clear that allowing gaps in chainmask
+ * is helpful. Probably it will not do what user
+ * is hoping for, so warn in that case.
+ */
+ if (cm == 15 || cm == 7 || cm == 3 || cm == 1 || cm == 0)
+ return;
+
+ ath10k_warn(ar, "mac %s antenna chainmask may be invalid: 0x%x. Suggested values: 15, 7, 3, 1 or 0.\n",
+ dbg, cm);
+}
+
+static int ath10k_mac_get_vht_cap_bf_sts(struct ath10k *ar)
+{
+ int nsts = ar->vht_cap_info;
+
+ nsts &= IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;
+ nsts >>= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT;
+
+ /* If firmware does not deliver to host number of space-time
+ * streams supported, assume it support up to 4 BF STS and return
+ * the value for VHT CAP: nsts-1)
+ */
+ if (nsts == 0)
+ return 3;
+
+ return nsts;
+}
+
+static int ath10k_mac_get_vht_cap_bf_sound_dim(struct ath10k *ar)
+{
+ int sound_dim = ar->vht_cap_info;
+
+ sound_dim &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;
+ sound_dim >>= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;
+
+ /* If the sounding dimension is not advertised by the firmware,
+ * let's use a default value of 1
+ */
+ if (sound_dim == 0)
+ return 1;
+
+ return sound_dim;
+}
+
+static struct ieee80211_sta_vht_cap ath10k_create_vht_cap(struct ath10k *ar)
+{
+ struct ieee80211_sta_vht_cap vht_cap = {0};
+ struct ath10k_hw_params *hw = &ar->hw_params;
+ u16 mcs_map;
+ u32 val;
+ int i;
+
+ vht_cap.vht_supported = 1;
+ vht_cap.cap = ar->vht_cap_info;
+
+ if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
+ IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) {
+ val = ath10k_mac_get_vht_cap_bf_sts(ar);
+ val <<= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT;
+ val &= IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;
+
+ vht_cap.cap |= val;
+ }
+
+ if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
+ IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) {
+ val = ath10k_mac_get_vht_cap_bf_sound_dim(ar);
+ val <<= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;
+ val &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;
+
+ vht_cap.cap |= val;
+ }
+
+ /* Currently the firmware seems to be buggy, don't enable 80+80
+ * mode until that's resolved.
+ */
+ if ((ar->vht_cap_info & IEEE80211_VHT_CAP_SHORT_GI_160) &&
+ (ar->vht_cap_info & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) == 0)
+ vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
+
+ mcs_map = 0;
+ for (i = 0; i < 8; i++) {
+ if ((i < ar->num_rf_chains) && (ar->cfg_tx_chainmask & BIT(i)))
+ mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2);
+ else
+ mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2);
+ }
+
+ if (ar->cfg_tx_chainmask <= 1)
+ vht_cap.cap &= ~IEEE80211_VHT_CAP_TXSTBC;
+
+ vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
+ vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
+
+ /* If we are supporting 160Mhz or 80+80, then the NIC may be able to do
+ * a restricted NSS for 160 or 80+80 vs what it can do for 80Mhz. Give
+ * user-space a clue if that is the case.
+ */
+ if ((vht_cap.cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) &&
+ (hw->vht160_mcs_rx_highest != 0 ||
+ hw->vht160_mcs_tx_highest != 0)) {
+ vht_cap.vht_mcs.rx_highest = cpu_to_le16(hw->vht160_mcs_rx_highest);
+ vht_cap.vht_mcs.tx_highest = cpu_to_le16(hw->vht160_mcs_tx_highest);
+ }
+
+ return vht_cap;
+}
+
+static struct ieee80211_sta_ht_cap ath10k_get_ht_cap(struct ath10k *ar)
+{
+ int i;
+ struct ieee80211_sta_ht_cap ht_cap = {0};
+
+ if (!(ar->ht_cap_info & WMI_HT_CAP_ENABLED))
+ return ht_cap;
+
+ ht_cap.ht_supported = 1;
+ ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
+ ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_8;
+ ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
+ ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
+ ht_cap.cap |=
+ WLAN_HT_CAP_SM_PS_DISABLED << IEEE80211_HT_CAP_SM_PS_SHIFT;
+
+ if (ar->ht_cap_info & WMI_HT_CAP_HT20_SGI)
+ ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
+
+ if (ar->ht_cap_info & WMI_HT_CAP_HT40_SGI)
+ ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
+
+ if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS) {
+ u32 smps;
+
+ smps = WLAN_HT_CAP_SM_PS_DYNAMIC;
+ smps <<= IEEE80211_HT_CAP_SM_PS_SHIFT;
+
+ ht_cap.cap |= smps;
+ }
+
+ if (ar->ht_cap_info & WMI_HT_CAP_TX_STBC && (ar->cfg_tx_chainmask > 1))
+ ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC;
+
+ if (ar->ht_cap_info & WMI_HT_CAP_RX_STBC) {
+ u32 stbc;
+
+ stbc = ar->ht_cap_info;
+ stbc &= WMI_HT_CAP_RX_STBC;
+ stbc >>= WMI_HT_CAP_RX_STBC_MASK_SHIFT;
+ stbc <<= IEEE80211_HT_CAP_RX_STBC_SHIFT;
+ stbc &= IEEE80211_HT_CAP_RX_STBC;
+
+ ht_cap.cap |= stbc;
+ }
+
+ if (ar->ht_cap_info & WMI_HT_CAP_LDPC || (ar->ht_cap_info &
+ WMI_HT_CAP_RX_LDPC && (ar->ht_cap_info & WMI_HT_CAP_TX_LDPC)))
+ ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
+
+ if (ar->ht_cap_info & WMI_HT_CAP_L_SIG_TXOP_PROT)
+ ht_cap.cap |= IEEE80211_HT_CAP_LSIG_TXOP_PROT;
+
+ /* max AMSDU is implicitly taken from vht_cap_info */
+ if (ar->vht_cap_info & WMI_VHT_CAP_MAX_MPDU_LEN_MASK)
+ ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU;
+
+ for (i = 0; i < ar->num_rf_chains; i++) {
+ if (ar->cfg_rx_chainmask & BIT(i))
+ ht_cap.mcs.rx_mask[i] = 0xFF;
+ }
+
+ ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED;
+
+ return ht_cap;
+}
+
+static void ath10k_mac_setup_ht_vht_cap(struct ath10k *ar)
+{
+ struct ieee80211_supported_band *band;
+ struct ieee80211_sta_vht_cap vht_cap;
+ struct ieee80211_sta_ht_cap ht_cap;
+
+ ht_cap = ath10k_get_ht_cap(ar);
+ vht_cap = ath10k_create_vht_cap(ar);
+
+ if (ar->phy_capability & WHAL_WLAN_11G_CAPABILITY) {
+ band = &ar->mac.sbands[NL80211_BAND_2GHZ];
+ band->ht_cap = ht_cap;
+ }
+ if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) {
+ band = &ar->mac.sbands[NL80211_BAND_5GHZ];
+ band->ht_cap = ht_cap;
+ band->vht_cap = vht_cap;
+ }
+}
+
+static int __ath10k_set_antenna(struct ath10k *ar, u32 tx_ant, u32 rx_ant)
+{
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ ath10k_check_chain_mask(ar, tx_ant, "tx");
+ ath10k_check_chain_mask(ar, rx_ant, "rx");
+
+ ar->cfg_tx_chainmask = tx_ant;
+ ar->cfg_rx_chainmask = rx_ant;
+
+ if ((ar->state != ATH10K_STATE_ON) &&
+ (ar->state != ATH10K_STATE_RESTARTED))
+ return 0;
+
+ ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->tx_chain_mask,
+ tx_ant);
+ if (ret) {
+ ath10k_warn(ar, "failed to set tx-chainmask: %d, req 0x%x\n",
+ ret, tx_ant);
+ return ret;
+ }
+
+ ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->rx_chain_mask,
+ rx_ant);
+ if (ret) {
+ ath10k_warn(ar, "failed to set rx-chainmask: %d, req 0x%x\n",
+ ret, rx_ant);
+ return ret;
+ }
+
+ /* Reload HT/VHT capability */
+ ath10k_mac_setup_ht_vht_cap(ar);
+
+ return 0;
+}
+
+static int ath10k_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
+{
+ struct ath10k *ar = hw->priv;
+ int ret;
+
+ mutex_lock(&ar->conf_mutex);
+ ret = __ath10k_set_antenna(ar, tx_ant, rx_ant);
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+
+static int __ath10k_fetch_bb_timing_dt(struct ath10k *ar,
+ struct wmi_bb_timing_cfg_arg *bb_timing)
+{
+ struct device_node *node;
+ const char *fem_name;
+ int ret;
+
+ node = ar->dev->of_node;
+ if (!node)
+ return -ENOENT;
+
+ ret = of_property_read_string_index(node, "ext-fem-name", 0, &fem_name);
+ if (ret)
+ return -ENOENT;
+
+ /*
+ * If external Front End module used in hardware, then default base band timing
+ * parameter cannot be used since they were fine tuned for reference hardware,
+ * so choosing different value suitable for that external FEM.
+ */
+ if (!strcmp("microsemi-lx5586", fem_name)) {
+ bb_timing->bb_tx_timing = 0x00;
+ bb_timing->bb_xpa_timing = 0x0101;
+ } else {
+ return -ENOENT;
+ }
+
+ ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot bb_tx_timing 0x%x bb_xpa_timing 0x%x\n",
+ bb_timing->bb_tx_timing, bb_timing->bb_xpa_timing);
+ return 0;
+}
+
+static int ath10k_start(struct ieee80211_hw *hw)
+{
+ struct ath10k *ar = hw->priv;
+ u32 param;
+ int ret = 0;
+ struct wmi_bb_timing_cfg_arg bb_timing = {0};
+
+ /*
+ * This makes sense only when restarting hw. It is harmless to call
+ * unconditionally. This is necessary to make sure no HTT/WMI tx
+ * commands will be submitted while restarting.
+ */
+ ath10k_drain_tx(ar);
+
+ mutex_lock(&ar->conf_mutex);
+
+ switch (ar->state) {
+ case ATH10K_STATE_OFF:
+ ar->state = ATH10K_STATE_ON;
+ break;
+ case ATH10K_STATE_RESTARTING:
+ ar->state = ATH10K_STATE_RESTARTED;
+ break;
+ case ATH10K_STATE_ON:
+ case ATH10K_STATE_RESTARTED:
+ case ATH10K_STATE_WEDGED:
+ WARN_ON(1);
+ ret = -EINVAL;
+ goto err;
+ case ATH10K_STATE_UTF:
+ ret = -EBUSY;
+ goto err;
+ }
+
+ ret = ath10k_hif_power_up(ar, ATH10K_FIRMWARE_MODE_NORMAL);
+ if (ret) {
+ ath10k_err(ar, "Could not init hif: %d\n", ret);
+ goto err_off;
+ }
+
+ ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL,
+ &ar->normal_mode_fw);
+ if (ret) {
+ ath10k_err(ar, "Could not init core: %d\n", ret);
+ goto err_power_down;
+ }
+
+ param = ar->wmi.pdev_param->pmf_qos;
+ ret = ath10k_wmi_pdev_set_param(ar, param, 1);
+ if (ret) {
+ ath10k_warn(ar, "failed to enable PMF QOS: %d\n", ret);
+ goto err_core_stop;
+ }
+
+ param = ar->wmi.pdev_param->dynamic_bw;
+ ret = ath10k_wmi_pdev_set_param(ar, param, 1);
+ if (ret) {
+ ath10k_warn(ar, "failed to enable dynamic BW: %d\n", ret);
+ goto err_core_stop;
+ }
+
+ if (test_bit(WMI_SERVICE_SPOOF_MAC_SUPPORT, ar->wmi.svc_map)) {
+ ret = ath10k_wmi_scan_prob_req_oui(ar, ar->mac_addr);
+ if (ret) {
+ ath10k_err(ar, "failed to set prob req oui: %i\n", ret);
+ goto err_core_stop;
+ }
+ }
+
+ if (test_bit(WMI_SERVICE_ADAPTIVE_OCS, ar->wmi.svc_map)) {
+ ret = ath10k_wmi_adaptive_qcs(ar, true);
+ if (ret) {
+ ath10k_warn(ar, "failed to enable adaptive qcs: %d\n",
+ ret);
+ goto err_core_stop;
+ }
+ }
+
+ if (test_bit(WMI_SERVICE_BURST, ar->wmi.svc_map)) {
+ param = ar->wmi.pdev_param->burst_enable;
+ ret = ath10k_wmi_pdev_set_param(ar, param, 0);
+ if (ret) {
+ ath10k_warn(ar, "failed to disable burst: %d\n", ret);
+ goto err_core_stop;
+ }
+ }
+
+ param = ar->wmi.pdev_param->idle_ps_config;
+ ret = ath10k_wmi_pdev_set_param(ar, param, 1);
+ if (ret && ret != -EOPNOTSUPP) {
+ ath10k_warn(ar, "failed to enable idle_ps_config: %d\n", ret);
+ goto err_core_stop;
+ }
+
+ __ath10k_set_antenna(ar, ar->cfg_tx_chainmask, ar->cfg_rx_chainmask);
+
+ /*
+ * By default FW set ARP frames ac to voice (6). In that case ARP
+ * exchange is not working properly for UAPSD enabled AP. ARP requests
+ * which arrives with access category 0 are processed by network stack
+ * and send back with access category 0, but FW changes access category
+ * to 6. Set ARP frames access category to best effort (0) solves
+ * this problem.
+ */
+
+ param = ar->wmi.pdev_param->arp_ac_override;
+ ret = ath10k_wmi_pdev_set_param(ar, param, 0);
+ if (ret) {
+ ath10k_warn(ar, "failed to set arp ac override parameter: %d\n",
+ ret);
+ goto err_core_stop;
+ }
+
+ if (test_bit(ATH10K_FW_FEATURE_SUPPORTS_ADAPTIVE_CCA,
+ ar->running_fw->fw_file.fw_features)) {
+ ret = ath10k_wmi_pdev_enable_adaptive_cca(ar, 1,
+ WMI_CCA_DETECT_LEVEL_AUTO,
+ WMI_CCA_DETECT_MARGIN_AUTO);
+ if (ret) {
+ ath10k_warn(ar, "failed to enable adaptive cca: %d\n",
+ ret);
+ goto err_core_stop;
+ }
+ }
+
+ param = ar->wmi.pdev_param->ani_enable;
+ ret = ath10k_wmi_pdev_set_param(ar, param, 1);
+ if (ret) {
+ ath10k_warn(ar, "failed to enable ani by default: %d\n",
+ ret);
+ goto err_core_stop;
+ }
+
+ ar->ani_enabled = true;
+
+ if (ath10k_peer_stats_enabled(ar)) {
+ param = ar->wmi.pdev_param->peer_stats_update_period;
+ ret = ath10k_wmi_pdev_set_param(ar, param,
+ PEER_DEFAULT_STATS_UPDATE_PERIOD);
+ if (ret) {
+ ath10k_warn(ar,
+ "failed to set peer stats period : %d\n",
+ ret);
+ goto err_core_stop;
+ }
+ }
+
+ param = ar->wmi.pdev_param->enable_btcoex;
+ if (test_bit(WMI_SERVICE_COEX_GPIO, ar->wmi.svc_map) &&
+ test_bit(ATH10K_FW_FEATURE_BTCOEX_PARAM,
+ ar->running_fw->fw_file.fw_features)) {
+ ret = ath10k_wmi_pdev_set_param(ar, param, 0);
+ if (ret) {
+ ath10k_warn(ar,
+ "failed to set btcoex param: %d\n", ret);
+ goto err_core_stop;
+ }
+ clear_bit(ATH10K_FLAG_BTCOEX, &ar->dev_flags);
+ }
+
+ if (test_bit(WMI_SERVICE_BB_TIMING_CONFIG_SUPPORT, ar->wmi.svc_map)) {
+ ret = __ath10k_fetch_bb_timing_dt(ar, &bb_timing);
+ if (!ret) {
+ ret = ath10k_wmi_pdev_bb_timing(ar, &bb_timing);
+ if (ret) {
+ ath10k_warn(ar,
+ "failed to set bb timings: %d\n",
+ ret);
+ goto err_core_stop;
+ }
+ }
+ }
+
+ ar->num_started_vdevs = 0;
+ ath10k_regd_update(ar);
+
+ ath10k_spectral_start(ar);
+ ath10k_thermal_set_throttling(ar);
+
+ ar->radar_conf_state = ATH10K_RADAR_CONFIRMATION_IDLE;
+
+ mutex_unlock(&ar->conf_mutex);
+ return 0;
+
+err_core_stop:
+ ath10k_core_stop(ar);
+
+err_power_down:
+ ath10k_hif_power_down(ar);
+
+err_off:
+ ar->state = ATH10K_STATE_OFF;
+
+err:
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+
+static void ath10k_stop(struct ieee80211_hw *hw)
+{
+ struct ath10k *ar = hw->priv;
+
+ ath10k_drain_tx(ar);
+
+ mutex_lock(&ar->conf_mutex);
+ if (ar->state != ATH10K_STATE_OFF) {
+ ath10k_halt(ar);
+ ar->state = ATH10K_STATE_OFF;
+ }
+ mutex_unlock(&ar->conf_mutex);
+
+ cancel_work_sync(&ar->set_coverage_class_work);
+ cancel_delayed_work_sync(&ar->scan.timeout);
+ cancel_work_sync(&ar->restart_work);
+}
+
+static int ath10k_config_ps(struct ath10k *ar)
+{
+ struct ath10k_vif *arvif;
+ int ret = 0;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ list_for_each_entry(arvif, &ar->arvifs, list) {
+ ret = ath10k_mac_vif_setup_ps(arvif);
+ if (ret) {
+ ath10k_warn(ar, "failed to setup powersave: %d\n", ret);
+ break;
+ }
+ }
+
+ return ret;
+}
+
+static int ath10k_mac_txpower_setup(struct ath10k *ar, int txpower)
+{
+ int ret;
+ u32 param;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac txpower %d\n", txpower);
+
+ param = ar->wmi.pdev_param->txpower_limit2g;
+ ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2);
+ if (ret) {
+ ath10k_warn(ar, "failed to set 2g txpower %d: %d\n",
+ txpower, ret);
+ return ret;
+ }
+
+ param = ar->wmi.pdev_param->txpower_limit5g;
+ ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2);
+ if (ret) {
+ ath10k_warn(ar, "failed to set 5g txpower %d: %d\n",
+ txpower, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int ath10k_mac_txpower_recalc(struct ath10k *ar)
+{
+ struct ath10k_vif *arvif;
+ int ret, txpower = -1;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ list_for_each_entry(arvif, &ar->arvifs, list) {
+ if (arvif->txpower <= 0)
+ continue;
+
+ if (txpower == -1)
+ txpower = arvif->txpower;
+ else
+ txpower = min(txpower, arvif->txpower);
+ }
+
+ if (txpower == -1)
+ return 0;
+
+ ret = ath10k_mac_txpower_setup(ar, txpower);
+ if (ret) {
+ ath10k_warn(ar, "failed to setup tx power %d: %d\n",
+ txpower, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int ath10k_config(struct ieee80211_hw *hw, u32 changed)
+{
+ struct ath10k *ar = hw->priv;
+ struct ieee80211_conf *conf = &hw->conf;
+ int ret = 0;
+
+ mutex_lock(&ar->conf_mutex);
+
+ if (changed & IEEE80211_CONF_CHANGE_PS)
+ ath10k_config_ps(ar);
+
+ if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
+ ar->monitor = conf->flags & IEEE80211_CONF_MONITOR;
+ ret = ath10k_monitor_recalc(ar);
+ if (ret)
+ ath10k_warn(ar, "failed to recalc monitor: %d\n", ret);
+ }
+
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+
+static u32 get_nss_from_chainmask(u16 chain_mask)
+{
+ if ((chain_mask & 0xf) == 0xf)
+ return 4;
+ else if ((chain_mask & 0x7) == 0x7)
+ return 3;
+ else if ((chain_mask & 0x3) == 0x3)
+ return 2;
+ return 1;
+}
+
+static int ath10k_mac_set_txbf_conf(struct ath10k_vif *arvif)
+{
+ u32 value = 0;
+ struct ath10k *ar = arvif->ar;
+ int nsts;
+ int sound_dim;
+
+ if (ath10k_wmi_get_txbf_conf_scheme(ar) != WMI_TXBF_CONF_BEFORE_ASSOC)
+ return 0;
+
+ nsts = ath10k_mac_get_vht_cap_bf_sts(ar);
+ if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
+ IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE))
+ value |= SM(nsts, WMI_TXBF_STS_CAP_OFFSET);
+
+ sound_dim = ath10k_mac_get_vht_cap_bf_sound_dim(ar);
+ if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
+ IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE))
+ value |= SM(sound_dim, WMI_BF_SOUND_DIM_OFFSET);
+
+ if (!value)
+ return 0;
+
+ if (ar->vht_cap_info & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)
+ value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER;
+
+ if (ar->vht_cap_info & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)
+ value |= (WMI_VDEV_PARAM_TXBF_MU_TX_BFER |
+ WMI_VDEV_PARAM_TXBF_SU_TX_BFER);
+
+ if (ar->vht_cap_info & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)
+ value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE;
+
+ if (ar->vht_cap_info & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)
+ value |= (WMI_VDEV_PARAM_TXBF_MU_TX_BFEE |
+ WMI_VDEV_PARAM_TXBF_SU_TX_BFEE);
+
+ return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id,
+ ar->wmi.vdev_param->txbf, value);
+}
+
+/*
+ * TODO:
+ * Figure out how to handle WMI_VDEV_SUBTYPE_P2P_DEVICE,
+ * because we will send mgmt frames without CCK. This requirement
+ * for P2P_FIND/GO_NEG should be handled by checking CCK flag
+ * in the TX packet.
+ */
+static int ath10k_add_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ struct ath10k_peer *peer;
+ enum wmi_sta_powersave_param param;
+ int ret = 0;
+ u32 value;
+ int bit;
+ int i;
+ u32 vdev_param;
+
+ vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD;
+
+ mutex_lock(&ar->conf_mutex);
+
+ memset(arvif, 0, sizeof(*arvif));
+ ath10k_mac_txq_init(vif->txq);
+
+ arvif->ar = ar;
+ arvif->vif = vif;
+
+ INIT_LIST_HEAD(&arvif->list);
+ INIT_WORK(&arvif->ap_csa_work, ath10k_mac_vif_ap_csa_work);
+ INIT_DELAYED_WORK(&arvif->connection_loss_work,
+ ath10k_mac_vif_sta_connection_loss_work);
+
+ for (i = 0; i < ARRAY_SIZE(arvif->bitrate_mask.control); i++) {
+ arvif->bitrate_mask.control[i].legacy = 0xffffffff;
+ memset(arvif->bitrate_mask.control[i].ht_mcs, 0xff,
+ sizeof(arvif->bitrate_mask.control[i].ht_mcs));
+ memset(arvif->bitrate_mask.control[i].vht_mcs, 0xff,
+ sizeof(arvif->bitrate_mask.control[i].vht_mcs));
+ }
+
+ if (ar->num_peers >= ar->max_num_peers) {
+ ath10k_warn(ar, "refusing vdev creation due to insufficient peer entry resources in firmware\n");
+ ret = -ENOBUFS;
+ goto err;
+ }
+
+ if (ar->free_vdev_map == 0) {
+ ath10k_warn(ar, "Free vdev map is empty, no more interfaces allowed.\n");
+ ret = -EBUSY;
+ goto err;
+ }
+ bit = __ffs64(ar->free_vdev_map);
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac create vdev %i map %llx\n",
+ bit, ar->free_vdev_map);
+
+ arvif->vdev_id = bit;
+ arvif->vdev_subtype =
+ ath10k_wmi_get_vdev_subtype(ar, WMI_VDEV_SUBTYPE_NONE);
+
+ switch (vif->type) {
+ case NL80211_IFTYPE_P2P_DEVICE:
+ arvif->vdev_type = WMI_VDEV_TYPE_STA;
+ arvif->vdev_subtype = ath10k_wmi_get_vdev_subtype
+ (ar, WMI_VDEV_SUBTYPE_P2P_DEVICE);
+ break;
+ case NL80211_IFTYPE_UNSPECIFIED:
+ case NL80211_IFTYPE_STATION:
+ arvif->vdev_type = WMI_VDEV_TYPE_STA;
+ if (vif->p2p)
+ arvif->vdev_subtype = ath10k_wmi_get_vdev_subtype
+ (ar, WMI_VDEV_SUBTYPE_P2P_CLIENT);
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ arvif->vdev_type = WMI_VDEV_TYPE_IBSS;
+ break;
+ case NL80211_IFTYPE_MESH_POINT:
+ if (test_bit(WMI_SERVICE_MESH_11S, ar->wmi.svc_map)) {
+ arvif->vdev_subtype = ath10k_wmi_get_vdev_subtype
+ (ar, WMI_VDEV_SUBTYPE_MESH_11S);
+ } else if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
+ ret = -EINVAL;
+ ath10k_warn(ar, "must load driver with rawmode=1 to add mesh interfaces\n");
+ goto err;
+ }
+ arvif->vdev_type = WMI_VDEV_TYPE_AP;
+ break;
+ case NL80211_IFTYPE_AP:
+ arvif->vdev_type = WMI_VDEV_TYPE_AP;
+
+ if (vif->p2p)
+ arvif->vdev_subtype = ath10k_wmi_get_vdev_subtype
+ (ar, WMI_VDEV_SUBTYPE_P2P_GO);
+ break;
+ case NL80211_IFTYPE_MONITOR:
+ arvif->vdev_type = WMI_VDEV_TYPE_MONITOR;
+ break;
+ default:
+ WARN_ON(1);
+ break;
+ }
+
+ /* Using vdev_id as queue number will make it very easy to do per-vif
+ * tx queue locking. This shouldn't wrap due to interface combinations
+ * but do a modulo for correctness sake and prevent using offchannel tx
+ * queues for regular vif tx.
+ */
+ vif->cab_queue = arvif->vdev_id % (IEEE80211_MAX_QUEUES - 1);
+ for (i = 0; i < ARRAY_SIZE(vif->hw_queue); i++)
+ vif->hw_queue[i] = arvif->vdev_id % (IEEE80211_MAX_QUEUES - 1);
+
+ /* Some firmware revisions don't wait for beacon tx completion before
+ * sending another SWBA event. This could lead to hardware using old
+ * (freed) beacon data in some cases, e.g. tx credit starvation
+ * combined with missed TBTT. This is very very rare.
+ *
+ * On non-IOMMU-enabled hosts this could be a possible security issue
+ * because hw could beacon some random data on the air. On
+ * IOMMU-enabled hosts DMAR faults would occur in most cases and target
+ * device would crash.
+ *
+ * Since there are no beacon tx completions (implicit nor explicit)
+ * propagated to host the only workaround for this is to allocate a
+ * DMA-coherent buffer for a lifetime of a vif and use it for all
+ * beacon tx commands. Worst case for this approach is some beacons may
+ * become corrupted, e.g. have garbled IEs or out-of-date TIM bitmap.
+ */
+ if (vif->type == NL80211_IFTYPE_ADHOC ||
+ vif->type == NL80211_IFTYPE_MESH_POINT ||
+ vif->type == NL80211_IFTYPE_AP) {
+ if (ar->bus_param.dev_type == ATH10K_DEV_TYPE_HL) {
+ arvif->beacon_buf = kmalloc(IEEE80211_MAX_FRAME_LEN,
+ GFP_KERNEL);
+
+ /* Using a kernel pointer in place of a dma_addr_t
+ * token can lead to undefined behavior if that
+ * makes it into cache management functions. Use a
+ * known-invalid address token instead, which
+ * avoids the warning and makes it easier to catch
+ * bugs if it does end up getting used.
+ */
+ arvif->beacon_paddr = DMA_MAPPING_ERROR;
+ } else {
+ arvif->beacon_buf =
+ dma_alloc_coherent(ar->dev,
+ IEEE80211_MAX_FRAME_LEN,
+ &arvif->beacon_paddr,
+ GFP_ATOMIC);
+ }
+ if (!arvif->beacon_buf) {
+ ret = -ENOMEM;
+ ath10k_warn(ar, "failed to allocate beacon buffer: %d\n",
+ ret);
+ goto err;
+ }
+ }
+ if (test_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags))
+ arvif->nohwcrypt = true;
+
+ if (arvif->nohwcrypt &&
+ !test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
+ ret = -EINVAL;
+ ath10k_warn(ar, "cryptmode module param needed for sw crypto\n");
+ goto err;
+ }
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev create %d (add interface) type %d subtype %d bcnmode %s\n",
+ arvif->vdev_id, arvif->vdev_type, arvif->vdev_subtype,
+ arvif->beacon_buf ? "single-buf" : "per-skb");
+
+ ret = ath10k_wmi_vdev_create(ar, arvif->vdev_id, arvif->vdev_type,
+ arvif->vdev_subtype, vif->addr);
+ if (ret) {
+ ath10k_warn(ar, "failed to create WMI vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ goto err;
+ }
+
+ if (test_bit(WMI_SERVICE_VDEV_DISABLE_4_ADDR_SRC_LRN_SUPPORT,
+ ar->wmi.svc_map)) {
+ vdev_param = ar->wmi.vdev_param->disable_4addr_src_lrn;
+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
+ WMI_VDEV_DISABLE_4_ADDR_SRC_LRN);
+ if (ret && ret != -EOPNOTSUPP) {
+ ath10k_warn(ar, "failed to disable 4addr src lrn vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ }
+ }
+
+ ar->free_vdev_map &= ~(1LL << arvif->vdev_id);
+ spin_lock_bh(&ar->data_lock);
+ list_add(&arvif->list, &ar->arvifs);
+ spin_unlock_bh(&ar->data_lock);
+
+ /* It makes no sense to have firmware do keepalives. mac80211 already
+ * takes care of this with idle connection polling.
+ */
+ ret = ath10k_mac_vif_disable_keepalive(arvif);
+ if (ret) {
+ ath10k_warn(ar, "failed to disable keepalive on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ goto err_vdev_delete;
+ }
+
+ arvif->def_wep_key_idx = -1;
+
+ vdev_param = ar->wmi.vdev_param->tx_encap_type;
+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
+ ATH10K_HW_TXRX_NATIVE_WIFI);
+ /* 10.X firmware does not support this VDEV parameter. Do not warn */
+ if (ret && ret != -EOPNOTSUPP) {
+ ath10k_warn(ar, "failed to set vdev %i TX encapsulation: %d\n",
+ arvif->vdev_id, ret);
+ goto err_vdev_delete;
+ }
+
+ /* Configuring number of spatial stream for monitor interface is causing
+ * target assert in qca9888 and qca6174.
+ */
+ if (ar->cfg_tx_chainmask && (vif->type != NL80211_IFTYPE_MONITOR)) {
+ u16 nss = get_nss_from_chainmask(ar->cfg_tx_chainmask);
+
+ vdev_param = ar->wmi.vdev_param->nss;
+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
+ nss);
+ if (ret) {
+ ath10k_warn(ar, "failed to set vdev %i chainmask 0x%x, nss %i: %d\n",
+ arvif->vdev_id, ar->cfg_tx_chainmask, nss,
+ ret);
+ goto err_vdev_delete;
+ }
+ }
+
+ if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
+ arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
+ ret = ath10k_peer_create(ar, vif, NULL, arvif->vdev_id,
+ vif->addr, WMI_PEER_TYPE_DEFAULT);
+ if (ret) {
+ ath10k_warn(ar, "failed to create vdev %i peer for AP/IBSS: %d\n",
+ arvif->vdev_id, ret);
+ goto err_vdev_delete;
+ }
+
+ spin_lock_bh(&ar->data_lock);
+
+ peer = ath10k_peer_find(ar, arvif->vdev_id, vif->addr);
+ if (!peer) {
+ ath10k_warn(ar, "failed to lookup peer %pM on vdev %i\n",
+ vif->addr, arvif->vdev_id);
+ spin_unlock_bh(&ar->data_lock);
+ ret = -ENOENT;
+ goto err_peer_delete;
+ }
+
+ arvif->peer_id = find_first_bit(peer->peer_ids,
+ ATH10K_MAX_NUM_PEER_IDS);
+
+ spin_unlock_bh(&ar->data_lock);
+ } else {
+ arvif->peer_id = HTT_INVALID_PEERID;
+ }
+
+ if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
+ ret = ath10k_mac_set_kickout(arvif);
+ if (ret) {
+ ath10k_warn(ar, "failed to set vdev %i kickout parameters: %d\n",
+ arvif->vdev_id, ret);
+ goto err_peer_delete;
+ }
+ }
+
+ if (arvif->vdev_type == WMI_VDEV_TYPE_STA) {
+ param = WMI_STA_PS_PARAM_RX_WAKE_POLICY;
+ value = WMI_STA_PS_RX_WAKE_POLICY_WAKE;
+ ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
+ param, value);
+ if (ret) {
+ ath10k_warn(ar, "failed to set vdev %i RX wake policy: %d\n",
+ arvif->vdev_id, ret);
+ goto err_peer_delete;
+ }
+
+ ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif);
+ if (ret) {
+ ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ goto err_peer_delete;
+ }
+
+ ret = ath10k_mac_vif_recalc_ps_poll_count(arvif);
+ if (ret) {
+ ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ goto err_peer_delete;
+ }
+ }
+
+ ret = ath10k_mac_set_txbf_conf(arvif);
+ if (ret) {
+ ath10k_warn(ar, "failed to set txbf for vdev %d: %d\n",
+ arvif->vdev_id, ret);
+ goto err_peer_delete;
+ }
+
+ ret = ath10k_mac_set_rts(arvif, ar->hw->wiphy->rts_threshold);
+ if (ret) {
+ ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n",
+ arvif->vdev_id, ret);
+ goto err_peer_delete;
+ }
+
+ arvif->txpower = vif->bss_conf.txpower;
+ ret = ath10k_mac_txpower_recalc(ar);
+ if (ret) {
+ ath10k_warn(ar, "failed to recalc tx power: %d\n", ret);
+ goto err_peer_delete;
+ }
+
+ if (test_bit(WMI_SERVICE_RTT_RESPONDER_ROLE, ar->wmi.svc_map)) {
+ vdev_param = ar->wmi.vdev_param->rtt_responder_role;
+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
+ arvif->ftm_responder);
+
+ /* It is harmless to not set FTM role. Do not warn */
+ if (ret && ret != -EOPNOTSUPP)
+ ath10k_warn(ar, "failed to set vdev %i FTM Responder: %d\n",
+ arvif->vdev_id, ret);
+ }
+
+ if (vif->type == NL80211_IFTYPE_MONITOR) {
+ ar->monitor_arvif = arvif;
+ ret = ath10k_monitor_recalc(ar);
+ if (ret) {
+ ath10k_warn(ar, "failed to recalc monitor: %d\n", ret);
+ goto err_peer_delete;
+ }
+ }
+
+ spin_lock_bh(&ar->htt.tx_lock);
+ if (!ar->tx_paused)
+ ieee80211_wake_queue(ar->hw, arvif->vdev_id);
+ spin_unlock_bh(&ar->htt.tx_lock);
+
+ mutex_unlock(&ar->conf_mutex);
+ return 0;
+
+err_peer_delete:
+ if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
+ arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
+ ath10k_wmi_peer_delete(ar, arvif->vdev_id, vif->addr);
+ ath10k_wait_for_peer_delete_done(ar, arvif->vdev_id,
+ vif->addr);
+ }
+
+err_vdev_delete:
+ ath10k_wmi_vdev_delete(ar, arvif->vdev_id);
+ ar->free_vdev_map |= 1LL << arvif->vdev_id;
+ spin_lock_bh(&ar->data_lock);
+ list_del(&arvif->list);
+ spin_unlock_bh(&ar->data_lock);
+
+err:
+ if (arvif->beacon_buf) {
+ if (ar->bus_param.dev_type == ATH10K_DEV_TYPE_HL)
+ kfree(arvif->beacon_buf);
+ else
+ dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN,
+ arvif->beacon_buf,
+ arvif->beacon_paddr);
+ arvif->beacon_buf = NULL;
+ }
+
+ mutex_unlock(&ar->conf_mutex);
+
+ return ret;
+}
+
+static void ath10k_mac_vif_tx_unlock_all(struct ath10k_vif *arvif)
+{
+ int i;
+
+ for (i = 0; i < BITS_PER_LONG; i++)
+ ath10k_mac_vif_tx_unlock(arvif, i);
+}
+
+static void ath10k_remove_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ struct ath10k_peer *peer;
+ unsigned long time_left;
+ int ret;
+ int i;
+
+ cancel_work_sync(&arvif->ap_csa_work);
+ cancel_delayed_work_sync(&arvif->connection_loss_work);
+
+ mutex_lock(&ar->conf_mutex);
+
+ ret = ath10k_spectral_vif_stop(arvif);
+ if (ret)
+ ath10k_warn(ar, "failed to stop spectral for vdev %i: %d\n",
+ arvif->vdev_id, ret);
+
+ ar->free_vdev_map |= 1LL << arvif->vdev_id;
+ spin_lock_bh(&ar->data_lock);
+ list_del(&arvif->list);
+ spin_unlock_bh(&ar->data_lock);
+
+ if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
+ arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
+ ret = ath10k_wmi_peer_delete(arvif->ar, arvif->vdev_id,
+ vif->addr);
+ if (ret)
+ ath10k_warn(ar, "failed to submit AP/IBSS self-peer removal on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+
+ ath10k_wait_for_peer_delete_done(ar, arvif->vdev_id,
+ vif->addr);
+ kfree(arvif->u.ap.noa_data);
+ }
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i delete (remove interface)\n",
+ arvif->vdev_id);
+
+ ret = ath10k_wmi_vdev_delete(ar, arvif->vdev_id);
+ if (ret)
+ ath10k_warn(ar, "failed to delete WMI vdev %i: %d\n",
+ arvif->vdev_id, ret);
+
+ if (test_bit(WMI_SERVICE_SYNC_DELETE_CMDS, ar->wmi.svc_map)) {
+ time_left = wait_for_completion_timeout(&ar->vdev_delete_done,
+ ATH10K_VDEV_DELETE_TIMEOUT_HZ);
+ if (time_left == 0) {
+ ath10k_warn(ar, "Timeout in receiving vdev delete response\n");
+ goto out;
+ }
+ }
+
+ /* Some firmware revisions don't notify host about self-peer removal
+ * until after associated vdev is deleted.
+ */
+ if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
+ arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
+ ret = ath10k_wait_for_peer_deleted(ar, arvif->vdev_id,
+ vif->addr);
+ if (ret)
+ ath10k_warn(ar, "failed to remove AP self-peer on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+
+ spin_lock_bh(&ar->data_lock);
+ ar->num_peers--;
+ spin_unlock_bh(&ar->data_lock);
+ }
+
+ spin_lock_bh(&ar->data_lock);
+ for (i = 0; i < ARRAY_SIZE(ar->peer_map); i++) {
+ peer = ar->peer_map[i];
+ if (!peer)
+ continue;
+
+ if (peer->vif == vif) {
+ ath10k_warn(ar, "found vif peer %pM entry on vdev %i after it was supposedly removed\n",
+ vif->addr, arvif->vdev_id);
+ peer->vif = NULL;
+ }
+ }
+
+ /* Clean this up late, less opportunity for firmware to access
+ * DMA memory we have deleted.
+ */
+ ath10k_mac_vif_beacon_cleanup(arvif);
+ spin_unlock_bh(&ar->data_lock);
+
+ ath10k_peer_cleanup(ar, arvif->vdev_id);
+ ath10k_mac_txq_unref(ar, vif->txq);
+
+ if (vif->type == NL80211_IFTYPE_MONITOR) {
+ ar->monitor_arvif = NULL;
+ ret = ath10k_monitor_recalc(ar);
+ if (ret)
+ ath10k_warn(ar, "failed to recalc monitor: %d\n", ret);
+ }
+
+ ret = ath10k_mac_txpower_recalc(ar);
+ if (ret)
+ ath10k_warn(ar, "failed to recalc tx power: %d\n", ret);
+
+ spin_lock_bh(&ar->htt.tx_lock);
+ ath10k_mac_vif_tx_unlock_all(arvif);
+ spin_unlock_bh(&ar->htt.tx_lock);
+
+ ath10k_mac_txq_unref(ar, vif->txq);
+
+out:
+ mutex_unlock(&ar->conf_mutex);
+}
+
+/*
+ * FIXME: Has to be verified.
+ */
+#define SUPPORTED_FILTERS \
+ (FIF_ALLMULTI | \
+ FIF_CONTROL | \
+ FIF_PSPOLL | \
+ FIF_OTHER_BSS | \
+ FIF_BCN_PRBRESP_PROMISC | \
+ FIF_PROBE_REQ | \
+ FIF_FCSFAIL)
+
+static void ath10k_configure_filter(struct ieee80211_hw *hw,
+ unsigned int changed_flags,
+ unsigned int *total_flags,
+ u64 multicast)
+{
+ struct ath10k *ar = hw->priv;
+ int ret;
+
+ mutex_lock(&ar->conf_mutex);
+
+ changed_flags &= SUPPORTED_FILTERS;
+ *total_flags &= SUPPORTED_FILTERS;
+ ar->filter_flags = *total_flags;
+
+ ret = ath10k_monitor_recalc(ar);
+ if (ret)
+ ath10k_warn(ar, "failed to recalc monitor: %d\n", ret);
+
+ mutex_unlock(&ar->conf_mutex);
+}
+
+static void ath10k_bss_info_changed(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *info,
+ u32 changed)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ struct cfg80211_chan_def def;
+ u32 vdev_param, pdev_param, slottime, preamble;
+ u16 bitrate, hw_value;
+ u8 rate, basic_rate_idx, rateidx;
+ int ret = 0, hw_rate_code, mcast_rate;
+ enum nl80211_band band;
+ const struct ieee80211_supported_band *sband;
+
+ mutex_lock(&ar->conf_mutex);
+
+ if (changed & BSS_CHANGED_IBSS)
+ ath10k_control_ibss(arvif, info, vif->addr);
+
+ if (changed & BSS_CHANGED_BEACON_INT) {
+ arvif->beacon_interval = info->beacon_int;
+ vdev_param = ar->wmi.vdev_param->beacon_interval;
+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
+ arvif->beacon_interval);
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac vdev %d beacon_interval %d\n",
+ arvif->vdev_id, arvif->beacon_interval);
+
+ if (ret)
+ ath10k_warn(ar, "failed to set beacon interval for vdev %d: %i\n",
+ arvif->vdev_id, ret);
+ }
+
+ if (changed & BSS_CHANGED_BEACON) {
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "vdev %d set beacon tx mode to staggered\n",
+ arvif->vdev_id);
+
+ pdev_param = ar->wmi.pdev_param->beacon_tx_mode;
+ ret = ath10k_wmi_pdev_set_param(ar, pdev_param,
+ WMI_BEACON_STAGGERED_MODE);
+ if (ret)
+ ath10k_warn(ar, "failed to set beacon mode for vdev %d: %i\n",
+ arvif->vdev_id, ret);
+
+ ret = ath10k_mac_setup_bcn_tmpl(arvif);
+ if (ret)
+ ath10k_warn(ar, "failed to update beacon template: %d\n",
+ ret);
+
+ if (ieee80211_vif_is_mesh(vif)) {
+ /* mesh doesn't use SSID but firmware needs it */
+ strncpy(arvif->u.ap.ssid, "mesh",
+ sizeof(arvif->u.ap.ssid));
+ arvif->u.ap.ssid_len = 4;
+ }
+ }
+
+ if (changed & BSS_CHANGED_AP_PROBE_RESP) {
+ ret = ath10k_mac_setup_prb_tmpl(arvif);
+ if (ret)
+ ath10k_warn(ar, "failed to setup probe resp template on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ }
+
+ if (changed & (BSS_CHANGED_BEACON_INFO | BSS_CHANGED_BEACON)) {
+ arvif->dtim_period = info->dtim_period;
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac vdev %d dtim_period %d\n",
+ arvif->vdev_id, arvif->dtim_period);
+
+ vdev_param = ar->wmi.vdev_param->dtim_period;
+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
+ arvif->dtim_period);
+ if (ret)
+ ath10k_warn(ar, "failed to set dtim period for vdev %d: %i\n",
+ arvif->vdev_id, ret);
+ }
+
+ if (changed & BSS_CHANGED_SSID &&
+ vif->type == NL80211_IFTYPE_AP) {
+ arvif->u.ap.ssid_len = info->ssid_len;
+ if (info->ssid_len)
+ memcpy(arvif->u.ap.ssid, info->ssid, info->ssid_len);
+ arvif->u.ap.hidden_ssid = info->hidden_ssid;
+ }
+
+ if (changed & BSS_CHANGED_BSSID && !is_zero_ether_addr(info->bssid))
+ ether_addr_copy(arvif->bssid, info->bssid);
+
+ if (changed & BSS_CHANGED_FTM_RESPONDER &&
+ arvif->ftm_responder != info->ftm_responder &&
+ test_bit(WMI_SERVICE_RTT_RESPONDER_ROLE, ar->wmi.svc_map)) {
+ arvif->ftm_responder = info->ftm_responder;
+
+ vdev_param = ar->wmi.vdev_param->rtt_responder_role;
+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
+ arvif->ftm_responder);
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac vdev %d ftm_responder %d:ret %d\n",
+ arvif->vdev_id, arvif->ftm_responder, ret);
+ }
+
+ if (changed & BSS_CHANGED_BEACON_ENABLED)
+ ath10k_control_beaconing(arvif, info);
+
+ if (changed & BSS_CHANGED_ERP_CTS_PROT) {
+ arvif->use_cts_prot = info->use_cts_prot;
+
+ ret = ath10k_recalc_rtscts_prot(arvif);
+ if (ret)
+ ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n",
+ arvif->vdev_id, ret);
+
+ if (ath10k_mac_can_set_cts_prot(arvif)) {
+ ret = ath10k_mac_set_cts_prot(arvif);
+ if (ret)
+ ath10k_warn(ar, "failed to set cts protection for vdev %d: %d\n",
+ arvif->vdev_id, ret);
+ }
+ }
+
+ if (changed & BSS_CHANGED_ERP_SLOT) {
+ if (info->use_short_slot)
+ slottime = WMI_VDEV_SLOT_TIME_SHORT; /* 9us */
+
+ else
+ slottime = WMI_VDEV_SLOT_TIME_LONG; /* 20us */
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d slot_time %d\n",
+ arvif->vdev_id, slottime);
+
+ vdev_param = ar->wmi.vdev_param->slot_time;
+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
+ slottime);
+ if (ret)
+ ath10k_warn(ar, "failed to set erp slot for vdev %d: %i\n",
+ arvif->vdev_id, ret);
+ }
+
+ if (changed & BSS_CHANGED_ERP_PREAMBLE) {
+ if (info->use_short_preamble)
+ preamble = WMI_VDEV_PREAMBLE_SHORT;
+ else
+ preamble = WMI_VDEV_PREAMBLE_LONG;
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac vdev %d preamble %dn",
+ arvif->vdev_id, preamble);
+
+ vdev_param = ar->wmi.vdev_param->preamble;
+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
+ preamble);
+ if (ret)
+ ath10k_warn(ar, "failed to set preamble for vdev %d: %i\n",
+ arvif->vdev_id, ret);
+ }
+
+ if (changed & BSS_CHANGED_ASSOC) {
+ if (info->assoc) {
+ /* Workaround: Make sure monitor vdev is not running
+ * when associating to prevent some firmware revisions
+ * (e.g. 10.1 and 10.2) from crashing.
+ */
+ if (ar->monitor_started)
+ ath10k_monitor_stop(ar);
+ ath10k_bss_assoc(hw, vif, info);
+ ath10k_monitor_recalc(ar);
+ } else {
+ ath10k_bss_disassoc(hw, vif);
+ }
+ }
+
+ if (changed & BSS_CHANGED_TXPOWER) {
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev_id %i txpower %d\n",
+ arvif->vdev_id, info->txpower);
+
+ arvif->txpower = info->txpower;
+ ret = ath10k_mac_txpower_recalc(ar);
+ if (ret)
+ ath10k_warn(ar, "failed to recalc tx power: %d\n", ret);
+ }
+
+ if (changed & BSS_CHANGED_PS) {
+ arvif->ps = vif->bss_conf.ps;
+
+ ret = ath10k_config_ps(ar);
+ if (ret)
+ ath10k_warn(ar, "failed to setup ps on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ }
+
+ if (changed & BSS_CHANGED_MCAST_RATE &&
+ !ath10k_mac_vif_chan(arvif->vif, &def)) {
+ band = def.chan->band;
+ mcast_rate = vif->bss_conf.mcast_rate[band];
+ if (mcast_rate > 0)
+ rateidx = mcast_rate - 1;
+ else
+ rateidx = ffs(vif->bss_conf.basic_rates) - 1;
+
+ if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY)
+ rateidx += ATH10K_MAC_FIRST_OFDM_RATE_IDX;
+
+ bitrate = ath10k_wmi_legacy_rates[rateidx].bitrate;
+ hw_value = ath10k_wmi_legacy_rates[rateidx].hw_value;
+ if (ath10k_mac_bitrate_is_cck(bitrate))
+ preamble = WMI_RATE_PREAMBLE_CCK;
+ else
+ preamble = WMI_RATE_PREAMBLE_OFDM;
+
+ rate = ATH10K_HW_RATECODE(hw_value, 0, preamble);
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac vdev %d mcast_rate %x\n",
+ arvif->vdev_id, rate);
+
+ vdev_param = ar->wmi.vdev_param->mcast_data_rate;
+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id,
+ vdev_param, rate);
+ if (ret)
+ ath10k_warn(ar,
+ "failed to set mcast rate on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+
+ vdev_param = ar->wmi.vdev_param->bcast_data_rate;
+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id,
+ vdev_param, rate);
+ if (ret)
+ ath10k_warn(ar,
+ "failed to set bcast rate on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ }
+
+ if (changed & BSS_CHANGED_BASIC_RATES) {
+ if (ath10k_mac_vif_chan(vif, &def)) {
+ mutex_unlock(&ar->conf_mutex);
+ return;
+ }
+
+ sband = ar->hw->wiphy->bands[def.chan->band];
+ basic_rate_idx = ffs(vif->bss_conf.basic_rates) - 1;
+ bitrate = sband->bitrates[basic_rate_idx].bitrate;
+
+ hw_rate_code = ath10k_mac_get_rate_hw_value(bitrate);
+ if (hw_rate_code < 0) {
+ ath10k_warn(ar, "bitrate not supported %d\n", bitrate);
+ mutex_unlock(&ar->conf_mutex);
+ return;
+ }
+
+ vdev_param = ar->wmi.vdev_param->mgmt_rate;
+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
+ hw_rate_code);
+ if (ret)
+ ath10k_warn(ar, "failed to set mgmt tx rate %d\n", ret);
+ }
+
+ mutex_unlock(&ar->conf_mutex);
+}
+
+static void ath10k_mac_op_set_coverage_class(struct ieee80211_hw *hw, s16 value)
+{
+ struct ath10k *ar = hw->priv;
+
+ /* This function should never be called if setting the coverage class
+ * is not supported on this hardware.
+ */
+ if (!ar->hw_params.hw_ops->set_coverage_class) {
+ WARN_ON_ONCE(1);
+ return;
+ }
+ ar->hw_params.hw_ops->set_coverage_class(ar, value);
+}
+
+struct ath10k_mac_tdls_iter_data {
+ u32 num_tdls_stations;
+ struct ieee80211_vif *curr_vif;
+};
+
+static void ath10k_mac_tdls_vif_stations_count_iter(void *data,
+ struct ieee80211_sta *sta)
+{
+ struct ath10k_mac_tdls_iter_data *iter_data = data;
+ struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
+ struct ieee80211_vif *sta_vif = arsta->arvif->vif;
+
+ if (sta->tdls && sta_vif == iter_data->curr_vif)
+ iter_data->num_tdls_stations++;
+}
+
+static int ath10k_mac_tdls_vif_stations_count(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct ath10k_mac_tdls_iter_data data = {};
+
+ data.curr_vif = vif;
+
+ ieee80211_iterate_stations_atomic(hw,
+ ath10k_mac_tdls_vif_stations_count_iter,
+ &data);
+ return data.num_tdls_stations;
+}
+
+static int ath10k_hw_scan(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_scan_request *hw_req)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ struct cfg80211_scan_request *req = &hw_req->req;
+ struct wmi_start_scan_arg arg;
+ int ret = 0;
+ int i;
+ u32 scan_timeout;
+
+ mutex_lock(&ar->conf_mutex);
+
+ if (ath10k_mac_tdls_vif_stations_count(hw, vif) > 0) {
+ ret = -EBUSY;
+ goto exit;
+ }
+
+ spin_lock_bh(&ar->data_lock);
+ switch (ar->scan.state) {
+ case ATH10K_SCAN_IDLE:
+ reinit_completion(&ar->scan.started);
+ reinit_completion(&ar->scan.completed);
+ ar->scan.state = ATH10K_SCAN_STARTING;
+ ar->scan.is_roc = false;
+ ar->scan.vdev_id = arvif->vdev_id;
+ ret = 0;
+ break;
+ case ATH10K_SCAN_STARTING:
+ case ATH10K_SCAN_RUNNING:
+ case ATH10K_SCAN_ABORTING:
+ ret = -EBUSY;
+ break;
+ }
+ spin_unlock_bh(&ar->data_lock);
+
+ if (ret)
+ goto exit;
+
+ memset(&arg, 0, sizeof(arg));
+ ath10k_wmi_start_scan_init(ar, &arg);
+ arg.vdev_id = arvif->vdev_id;
+ arg.scan_id = ATH10K_SCAN_ID;
+
+ if (req->ie_len) {
+ arg.ie_len = req->ie_len;
+ memcpy(arg.ie, req->ie, arg.ie_len);
+ }
+
+ if (req->n_ssids) {
+ arg.n_ssids = req->n_ssids;
+ for (i = 0; i < arg.n_ssids; i++) {
+ arg.ssids[i].len = req->ssids[i].ssid_len;
+ arg.ssids[i].ssid = req->ssids[i].ssid;
+ }
+ } else {
+ arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE;
+ }
+
+ if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
+ arg.scan_ctrl_flags |= WMI_SCAN_ADD_SPOOFED_MAC_IN_PROBE_REQ;
+ ether_addr_copy(arg.mac_addr.addr, req->mac_addr);
+ ether_addr_copy(arg.mac_mask.addr, req->mac_addr_mask);
+ }
+
+ if (req->n_channels) {
+ arg.n_channels = req->n_channels;
+ for (i = 0; i < arg.n_channels; i++)
+ arg.channels[i] = req->channels[i]->center_freq;
+ }
+
+ /* if duration is set, default dwell times will be overwritten */
+ if (req->duration) {
+ arg.dwell_time_active = req->duration;
+ arg.dwell_time_passive = req->duration;
+ arg.burst_duration_ms = req->duration;
+
+ scan_timeout = min_t(u32, arg.max_rest_time *
+ (arg.n_channels - 1) + (req->duration +
+ ATH10K_SCAN_CHANNEL_SWITCH_WMI_EVT_OVERHEAD) *
+ arg.n_channels, arg.max_scan_time + 200);
+
+ } else {
+ /* Add a 200ms margin to account for event/command processing */
+ scan_timeout = arg.max_scan_time + 200;
+ }
+
+ ret = ath10k_start_scan(ar, &arg);
+ if (ret) {
+ ath10k_warn(ar, "failed to start hw scan: %d\n", ret);
+ spin_lock_bh(&ar->data_lock);
+ ar->scan.state = ATH10K_SCAN_IDLE;
+ spin_unlock_bh(&ar->data_lock);
+ }
+
+ ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout,
+ msecs_to_jiffies(scan_timeout));
+
+exit:
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+
+static void ath10k_cancel_hw_scan(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct ath10k *ar = hw->priv;
+
+ mutex_lock(&ar->conf_mutex);
+ ath10k_scan_abort(ar);
+ mutex_unlock(&ar->conf_mutex);
+
+ cancel_delayed_work_sync(&ar->scan.timeout);
+}
+
+static void ath10k_set_key_h_def_keyidx(struct ath10k *ar,
+ struct ath10k_vif *arvif,
+ enum set_key_cmd cmd,
+ struct ieee80211_key_conf *key)
+{
+ u32 vdev_param = arvif->ar->wmi.vdev_param->def_keyid;
+ int ret;
+
+ /* 10.1 firmware branch requires default key index to be set to group
+ * key index after installing it. Otherwise FW/HW Txes corrupted
+ * frames with multi-vif APs. This is not required for main firmware
+ * branch (e.g. 636).
+ *
+ * This is also needed for 636 fw for IBSS-RSN to work more reliably.
+ *
+ * FIXME: It remains unknown if this is required for multi-vif STA
+ * interfaces on 10.1.
+ */
+
+ if (arvif->vdev_type != WMI_VDEV_TYPE_AP &&
+ arvif->vdev_type != WMI_VDEV_TYPE_IBSS)
+ return;
+
+ if (key->cipher == WLAN_CIPHER_SUITE_WEP40)
+ return;
+
+ if (key->cipher == WLAN_CIPHER_SUITE_WEP104)
+ return;
+
+ if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
+ return;
+
+ if (cmd != SET_KEY)
+ return;
+
+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
+ key->keyidx);
+ if (ret)
+ ath10k_warn(ar, "failed to set vdev %i group key as default key: %d\n",
+ arvif->vdev_id, ret);
+}
+
+static int ath10k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
+ struct ieee80211_vif *vif, struct ieee80211_sta *sta,
+ struct ieee80211_key_conf *key)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ struct ath10k_peer *peer;
+ const u8 *peer_addr;
+ bool is_wep = key->cipher == WLAN_CIPHER_SUITE_WEP40 ||
+ key->cipher == WLAN_CIPHER_SUITE_WEP104;
+ int ret = 0;
+ int ret2;
+ u32 flags = 0;
+ u32 flags2;
+
+ /* this one needs to be done in software */
+ if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC ||
+ key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 ||
+ key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256 ||
+ key->cipher == WLAN_CIPHER_SUITE_BIP_CMAC_256)
+ return 1;
+
+ if (arvif->nohwcrypt)
+ return 1;
+
+ if (key->keyidx > WMI_MAX_KEY_INDEX)
+ return -ENOSPC;
+
+ mutex_lock(&ar->conf_mutex);
+
+ if (sta)
+ peer_addr = sta->addr;
+ else if (arvif->vdev_type == WMI_VDEV_TYPE_STA)
+ peer_addr = vif->bss_conf.bssid;
+ else
+ peer_addr = vif->addr;
+
+ key->hw_key_idx = key->keyidx;
+
+ if (is_wep) {
+ if (cmd == SET_KEY)
+ arvif->wep_keys[key->keyidx] = key;
+ else
+ arvif->wep_keys[key->keyidx] = NULL;
+ }
+
+ /* the peer should not disappear in mid-way (unless FW goes awry) since
+ * we already hold conf_mutex. we just make sure its there now.
+ */
+ spin_lock_bh(&ar->data_lock);
+ peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr);
+ spin_unlock_bh(&ar->data_lock);
+
+ if (!peer) {
+ if (cmd == SET_KEY) {
+ ath10k_warn(ar, "failed to install key for non-existent peer %pM\n",
+ peer_addr);
+ ret = -EOPNOTSUPP;
+ goto exit;
+ } else {
+ /* if the peer doesn't exist there is no key to disable anymore */
+ goto exit;
+ }
+ }
+
+ if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
+ flags |= WMI_KEY_PAIRWISE;
+ else
+ flags |= WMI_KEY_GROUP;
+
+ if (is_wep) {
+ if (cmd == DISABLE_KEY)
+ ath10k_clear_vdev_key(arvif, key);
+
+ /* When WEP keys are uploaded it's possible that there are
+ * stations associated already (e.g. when merging) without any
+ * keys. Static WEP needs an explicit per-peer key upload.
+ */
+ if (vif->type == NL80211_IFTYPE_ADHOC &&
+ cmd == SET_KEY)
+ ath10k_mac_vif_update_wep_key(arvif, key);
+
+ /* 802.1x never sets the def_wep_key_idx so each set_key()
+ * call changes default tx key.
+ *
+ * Static WEP sets def_wep_key_idx via .set_default_unicast_key
+ * after first set_key().
+ */
+ if (cmd == SET_KEY && arvif->def_wep_key_idx == -1)
+ flags |= WMI_KEY_TX_USAGE;
+ }
+
+ ret = ath10k_install_key(arvif, key, cmd, peer_addr, flags);
+ if (ret) {
+ WARN_ON(ret > 0);
+ ath10k_warn(ar, "failed to install key for vdev %i peer %pM: %d\n",
+ arvif->vdev_id, peer_addr, ret);
+ goto exit;
+ }
+
+ /* mac80211 sets static WEP keys as groupwise while firmware requires
+ * them to be installed twice as both pairwise and groupwise.
+ */
+ if (is_wep && !sta && vif->type == NL80211_IFTYPE_STATION) {
+ flags2 = flags;
+ flags2 &= ~WMI_KEY_GROUP;
+ flags2 |= WMI_KEY_PAIRWISE;
+
+ ret = ath10k_install_key(arvif, key, cmd, peer_addr, flags2);
+ if (ret) {
+ WARN_ON(ret > 0);
+ ath10k_warn(ar, "failed to install (ucast) key for vdev %i peer %pM: %d\n",
+ arvif->vdev_id, peer_addr, ret);
+ ret2 = ath10k_install_key(arvif, key, DISABLE_KEY,
+ peer_addr, flags);
+ if (ret2) {
+ WARN_ON(ret2 > 0);
+ ath10k_warn(ar, "failed to disable (mcast) key for vdev %i peer %pM: %d\n",
+ arvif->vdev_id, peer_addr, ret2);
+ }
+ goto exit;
+ }
+ }
+
+ ath10k_set_key_h_def_keyidx(ar, arvif, cmd, key);
+
+ spin_lock_bh(&ar->data_lock);
+ peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr);
+ if (peer && cmd == SET_KEY)
+ peer->keys[key->keyidx] = key;
+ else if (peer && cmd == DISABLE_KEY)
+ peer->keys[key->keyidx] = NULL;
+ else if (peer == NULL)
+ /* impossible unless FW goes crazy */
+ ath10k_warn(ar, "Peer %pM disappeared!\n", peer_addr);
+ spin_unlock_bh(&ar->data_lock);
+
+ if (sta && sta->tdls)
+ ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
+ WMI_PEER_AUTHORIZE, 1);
+
+exit:
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+
+static void ath10k_set_default_unicast_key(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ int keyidx)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ int ret;
+
+ mutex_lock(&arvif->ar->conf_mutex);
+
+ if (arvif->ar->state != ATH10K_STATE_ON)
+ goto unlock;
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d set keyidx %d\n",
+ arvif->vdev_id, keyidx);
+
+ ret = ath10k_wmi_vdev_set_param(arvif->ar,
+ arvif->vdev_id,
+ arvif->ar->wmi.vdev_param->def_keyid,
+ keyidx);
+
+ if (ret) {
+ ath10k_warn(ar, "failed to update wep key index for vdev %d: %d\n",
+ arvif->vdev_id,
+ ret);
+ goto unlock;
+ }
+
+ arvif->def_wep_key_idx = keyidx;
+
+unlock:
+ mutex_unlock(&arvif->ar->conf_mutex);
+}
+
+static void ath10k_sta_rc_update_wk(struct work_struct *wk)
+{
+ struct ath10k *ar;
+ struct ath10k_vif *arvif;
+ struct ath10k_sta *arsta;
+ struct ieee80211_sta *sta;
+ struct cfg80211_chan_def def;
+ enum nl80211_band band;
+ const u8 *ht_mcs_mask;
+ const u16 *vht_mcs_mask;
+ u32 changed, bw, nss, smps;
+ int err;
+
+ arsta = container_of(wk, struct ath10k_sta, update_wk);
+ sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv);
+ arvif = arsta->arvif;
+ ar = arvif->ar;
+
+ if (WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def)))
+ return;
+
+ band = def.chan->band;
+ ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
+ vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
+
+ spin_lock_bh(&ar->data_lock);
+
+ changed = arsta->changed;
+ arsta->changed = 0;
+
+ bw = arsta->bw;
+ nss = arsta->nss;
+ smps = arsta->smps;
+
+ spin_unlock_bh(&ar->data_lock);
+
+ mutex_lock(&ar->conf_mutex);
+
+ nss = max_t(u32, 1, nss);
+ nss = min(nss, max(ath10k_mac_max_ht_nss(ht_mcs_mask),
+ ath10k_mac_max_vht_nss(vht_mcs_mask)));
+
+ if (changed & IEEE80211_RC_BW_CHANGED) {
+ enum wmi_phy_mode mode;
+
+ mode = chan_to_phymode(&def);
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM peer bw %d phymode %d\n",
+ sta->addr, bw, mode);
+
+ err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
+ WMI_PEER_PHYMODE, mode);
+ if (err) {
+ ath10k_warn(ar, "failed to update STA %pM peer phymode %d: %d\n",
+ sta->addr, mode, err);
+ goto exit;
+ }
+
+ err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
+ WMI_PEER_CHAN_WIDTH, bw);
+ if (err)
+ ath10k_warn(ar, "failed to update STA %pM peer bw %d: %d\n",
+ sta->addr, bw, err);
+ }
+
+ if (changed & IEEE80211_RC_NSS_CHANGED) {
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM nss %d\n",
+ sta->addr, nss);
+
+ err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
+ WMI_PEER_NSS, nss);
+ if (err)
+ ath10k_warn(ar, "failed to update STA %pM nss %d: %d\n",
+ sta->addr, nss, err);
+ }
+
+ if (changed & IEEE80211_RC_SMPS_CHANGED) {
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM smps %d\n",
+ sta->addr, smps);
+
+ err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
+ WMI_PEER_SMPS_STATE, smps);
+ if (err)
+ ath10k_warn(ar, "failed to update STA %pM smps %d: %d\n",
+ sta->addr, smps, err);
+ }
+
+ if (changed & IEEE80211_RC_SUPP_RATES_CHANGED) {
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM supp rates\n",
+ sta->addr);
+
+ err = ath10k_station_assoc(ar, arvif->vif, sta, true);
+ if (err)
+ ath10k_warn(ar, "failed to reassociate station: %pM\n",
+ sta->addr);
+ }
+
+exit:
+ mutex_unlock(&ar->conf_mutex);
+}
+
+static int ath10k_mac_inc_num_stations(struct ath10k_vif *arvif,
+ struct ieee80211_sta *sta)
+{
+ struct ath10k *ar = arvif->ar;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls)
+ return 0;
+
+ if (ar->num_stations >= ar->max_num_stations)
+ return -ENOBUFS;
+
+ ar->num_stations++;
+
+ return 0;
+}
+
+static void ath10k_mac_dec_num_stations(struct ath10k_vif *arvif,
+ struct ieee80211_sta *sta)
+{
+ struct ath10k *ar = arvif->ar;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls)
+ return;
+
+ ar->num_stations--;
+}
+
+static int ath10k_sta_set_txpwr(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ int ret = 0;
+ s16 txpwr;
+
+ if (sta->txpwr.type == NL80211_TX_POWER_AUTOMATIC) {
+ txpwr = 0;
+ } else {
+ txpwr = sta->txpwr.power;
+ if (!txpwr)
+ return -EINVAL;
+ }
+
+ if (txpwr > ATH10K_TX_POWER_MAX_VAL || txpwr < ATH10K_TX_POWER_MIN_VAL)
+ return -EINVAL;
+
+ mutex_lock(&ar->conf_mutex);
+
+ ret = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
+ WMI_PEER_USE_FIXED_PWR, txpwr);
+ if (ret) {
+ ath10k_warn(ar, "failed to set tx power for station ret: %d\n",
+ ret);
+ goto out;
+ }
+
+out:
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+
+static int ath10k_sta_state(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ enum ieee80211_sta_state old_state,
+ enum ieee80211_sta_state new_state)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
+ struct ath10k_peer *peer;
+ int ret = 0;
+ int i;
+
+ if (old_state == IEEE80211_STA_NOTEXIST &&
+ new_state == IEEE80211_STA_NONE) {
+ memset(arsta, 0, sizeof(*arsta));
+ arsta->arvif = arvif;
+ arsta->peer_ps_state = WMI_PEER_PS_STATE_DISABLED;
+ INIT_WORK(&arsta->update_wk, ath10k_sta_rc_update_wk);
+
+ for (i = 0; i < ARRAY_SIZE(sta->txq); i++)
+ ath10k_mac_txq_init(sta->txq[i]);
+ }
+
+ /* cancel must be done outside the mutex to avoid deadlock */
+ if ((old_state == IEEE80211_STA_NONE &&
+ new_state == IEEE80211_STA_NOTEXIST))
+ cancel_work_sync(&arsta->update_wk);
+
+ mutex_lock(&ar->conf_mutex);
+
+ if (old_state == IEEE80211_STA_NOTEXIST &&
+ new_state == IEEE80211_STA_NONE) {
+ /*
+ * New station addition.
+ */
+ enum wmi_peer_type peer_type = WMI_PEER_TYPE_DEFAULT;
+ u32 num_tdls_stations;
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac vdev %d peer create %pM (new sta) sta %d / %d peer %d / %d\n",
+ arvif->vdev_id, sta->addr,
+ ar->num_stations + 1, ar->max_num_stations,
+ ar->num_peers + 1, ar->max_num_peers);
+
+ num_tdls_stations = ath10k_mac_tdls_vif_stations_count(hw, vif);
+
+ if (sta->tdls) {
+ if (num_tdls_stations >= ar->max_num_tdls_vdevs) {
+ ath10k_warn(ar, "vdev %i exceeded maximum number of tdls vdevs %i\n",
+ arvif->vdev_id,
+ ar->max_num_tdls_vdevs);
+ ret = -ELNRNG;
+ goto exit;
+ }
+ peer_type = WMI_PEER_TYPE_TDLS;
+ }
+
+ ret = ath10k_mac_inc_num_stations(arvif, sta);
+ if (ret) {
+ ath10k_warn(ar, "refusing to associate station: too many connected already (%d)\n",
+ ar->max_num_stations);
+ goto exit;
+ }
+
+ if (ath10k_debug_is_extd_tx_stats_enabled(ar)) {
+ arsta->tx_stats = kzalloc(sizeof(*arsta->tx_stats),
+ GFP_KERNEL);
+ if (!arsta->tx_stats) {
+ ret = -ENOMEM;
+ goto exit;
+ }
+ }
+
+ ret = ath10k_peer_create(ar, vif, sta, arvif->vdev_id,
+ sta->addr, peer_type);
+ if (ret) {
+ ath10k_warn(ar, "failed to add peer %pM for vdev %d when adding a new sta: %i\n",
+ sta->addr, arvif->vdev_id, ret);
+ ath10k_mac_dec_num_stations(arvif, sta);
+ kfree(arsta->tx_stats);
+ goto exit;
+ }
+
+ spin_lock_bh(&ar->data_lock);
+
+ peer = ath10k_peer_find(ar, arvif->vdev_id, sta->addr);
+ if (!peer) {
+ ath10k_warn(ar, "failed to lookup peer %pM on vdev %i\n",
+ vif->addr, arvif->vdev_id);
+ spin_unlock_bh(&ar->data_lock);
+ ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
+ ath10k_mac_dec_num_stations(arvif, sta);
+ kfree(arsta->tx_stats);
+ ret = -ENOENT;
+ goto exit;
+ }
+
+ arsta->peer_id = find_first_bit(peer->peer_ids,
+ ATH10K_MAX_NUM_PEER_IDS);
+
+ spin_unlock_bh(&ar->data_lock);
+
+ if (!sta->tdls)
+ goto exit;
+
+ ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id,
+ WMI_TDLS_ENABLE_ACTIVE);
+ if (ret) {
+ ath10k_warn(ar, "failed to update fw tdls state on vdev %i: %i\n",
+ arvif->vdev_id, ret);
+ ath10k_peer_delete(ar, arvif->vdev_id,
+ sta->addr);
+ ath10k_mac_dec_num_stations(arvif, sta);
+ kfree(arsta->tx_stats);
+ goto exit;
+ }
+
+ ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, sta,
+ WMI_TDLS_PEER_STATE_PEERING);
+ if (ret) {
+ ath10k_warn(ar,
+ "failed to update tdls peer %pM for vdev %d when adding a new sta: %i\n",
+ sta->addr, arvif->vdev_id, ret);
+ ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
+ ath10k_mac_dec_num_stations(arvif, sta);
+ kfree(arsta->tx_stats);
+
+ if (num_tdls_stations != 0)
+ goto exit;
+ ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id,
+ WMI_TDLS_DISABLE);
+ }
+ } else if ((old_state == IEEE80211_STA_NONE &&
+ new_state == IEEE80211_STA_NOTEXIST)) {
+ /*
+ * Existing station deletion.
+ */
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac vdev %d peer delete %pM sta %pK (sta gone)\n",
+ arvif->vdev_id, sta->addr, sta);
+
+ if (sta->tdls) {
+ ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id,
+ sta,
+ WMI_TDLS_PEER_STATE_TEARDOWN);
+ if (ret)
+ ath10k_warn(ar, "failed to update tdls peer state for %pM state %d: %i\n",
+ sta->addr,
+ WMI_TDLS_PEER_STATE_TEARDOWN, ret);
+ }
+
+ ret = ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
+ if (ret)
+ ath10k_warn(ar, "failed to delete peer %pM for vdev %d: %i\n",
+ sta->addr, arvif->vdev_id, ret);
+
+ ath10k_mac_dec_num_stations(arvif, sta);
+
+ spin_lock_bh(&ar->data_lock);
+ for (i = 0; i < ARRAY_SIZE(ar->peer_map); i++) {
+ peer = ar->peer_map[i];
+ if (!peer)
+ continue;
+
+ if (peer->sta == sta) {
+ ath10k_warn(ar, "found sta peer %pM (ptr %pK id %d) entry on vdev %i after it was supposedly removed\n",
+ sta->addr, peer, i, arvif->vdev_id);
+ peer->sta = NULL;
+
+ /* Clean up the peer object as well since we
+ * must have failed to do this above.
+ */
+ ath10k_peer_map_cleanup(ar, peer);
+ }
+ }
+ spin_unlock_bh(&ar->data_lock);
+
+ if (ath10k_debug_is_extd_tx_stats_enabled(ar)) {
+ kfree(arsta->tx_stats);
+ arsta->tx_stats = NULL;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(sta->txq); i++)
+ ath10k_mac_txq_unref(ar, sta->txq[i]);
+
+ if (!sta->tdls)
+ goto exit;
+
+ if (ath10k_mac_tdls_vif_stations_count(hw, vif))
+ goto exit;
+
+ /* This was the last tdls peer in current vif */
+ ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id,
+ WMI_TDLS_DISABLE);
+ if (ret) {
+ ath10k_warn(ar, "failed to update fw tdls state on vdev %i: %i\n",
+ arvif->vdev_id, ret);
+ }
+ } else if (old_state == IEEE80211_STA_AUTH &&
+ new_state == IEEE80211_STA_ASSOC &&
+ (vif->type == NL80211_IFTYPE_AP ||
+ vif->type == NL80211_IFTYPE_MESH_POINT ||
+ vif->type == NL80211_IFTYPE_ADHOC)) {
+ /*
+ * New association.
+ */
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM associated\n",
+ sta->addr);
+
+ ret = ath10k_station_assoc(ar, vif, sta, false);
+ if (ret)
+ ath10k_warn(ar, "failed to associate station %pM for vdev %i: %i\n",
+ sta->addr, arvif->vdev_id, ret);
+ } else if (old_state == IEEE80211_STA_ASSOC &&
+ new_state == IEEE80211_STA_AUTHORIZED &&
+ sta->tdls) {
+ /*
+ * Tdls station authorized.
+ */
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac tdls sta %pM authorized\n",
+ sta->addr);
+
+ ret = ath10k_station_assoc(ar, vif, sta, false);
+ if (ret) {
+ ath10k_warn(ar, "failed to associate tdls station %pM for vdev %i: %i\n",
+ sta->addr, arvif->vdev_id, ret);
+ goto exit;
+ }
+
+ ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, sta,
+ WMI_TDLS_PEER_STATE_CONNECTED);
+ if (ret)
+ ath10k_warn(ar, "failed to update tdls peer %pM for vdev %i: %i\n",
+ sta->addr, arvif->vdev_id, ret);
+ } else if (old_state == IEEE80211_STA_ASSOC &&
+ new_state == IEEE80211_STA_AUTH &&
+ (vif->type == NL80211_IFTYPE_AP ||
+ vif->type == NL80211_IFTYPE_MESH_POINT ||
+ vif->type == NL80211_IFTYPE_ADHOC)) {
+ /*
+ * Disassociation.
+ */
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM disassociated\n",
+ sta->addr);
+
+ ret = ath10k_station_disassoc(ar, vif, sta);
+ if (ret)
+ ath10k_warn(ar, "failed to disassociate station: %pM vdev %i: %i\n",
+ sta->addr, arvif->vdev_id, ret);
+ }
+exit:
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+
+static int ath10k_conf_tx_uapsd(struct ath10k *ar, struct ieee80211_vif *vif,
+ u16 ac, bool enable)
+{
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ struct wmi_sta_uapsd_auto_trig_arg arg = {};
+ u32 prio = 0, acc = 0;
+ u32 value = 0;
+ int ret = 0;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (arvif->vdev_type != WMI_VDEV_TYPE_STA)
+ return 0;
+
+ switch (ac) {
+ case IEEE80211_AC_VO:
+ value = WMI_STA_PS_UAPSD_AC3_DELIVERY_EN |
+ WMI_STA_PS_UAPSD_AC3_TRIGGER_EN;
+ prio = 7;
+ acc = 3;
+ break;
+ case IEEE80211_AC_VI:
+ value = WMI_STA_PS_UAPSD_AC2_DELIVERY_EN |
+ WMI_STA_PS_UAPSD_AC2_TRIGGER_EN;
+ prio = 5;
+ acc = 2;
+ break;
+ case IEEE80211_AC_BE:
+ value = WMI_STA_PS_UAPSD_AC1_DELIVERY_EN |
+ WMI_STA_PS_UAPSD_AC1_TRIGGER_EN;
+ prio = 2;
+ acc = 1;
+ break;
+ case IEEE80211_AC_BK:
+ value = WMI_STA_PS_UAPSD_AC0_DELIVERY_EN |
+ WMI_STA_PS_UAPSD_AC0_TRIGGER_EN;
+ prio = 0;
+ acc = 0;
+ break;
+ }
+
+ if (enable)
+ arvif->u.sta.uapsd |= value;
+ else
+ arvif->u.sta.uapsd &= ~value;
+
+ ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
+ WMI_STA_PS_PARAM_UAPSD,
+ arvif->u.sta.uapsd);
+ if (ret) {
+ ath10k_warn(ar, "failed to set uapsd params: %d\n", ret);
+ goto exit;
+ }
+
+ if (arvif->u.sta.uapsd)
+ value = WMI_STA_PS_RX_WAKE_POLICY_POLL_UAPSD;
+ else
+ value = WMI_STA_PS_RX_WAKE_POLICY_WAKE;
+
+ ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
+ WMI_STA_PS_PARAM_RX_WAKE_POLICY,
+ value);
+ if (ret)
+ ath10k_warn(ar, "failed to set rx wake param: %d\n", ret);
+
+ ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif);
+ if (ret) {
+ ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ ret = ath10k_mac_vif_recalc_ps_poll_count(arvif);
+ if (ret) {
+ ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ if (test_bit(WMI_SERVICE_STA_UAPSD_BASIC_AUTO_TRIG, ar->wmi.svc_map) ||
+ test_bit(WMI_SERVICE_STA_UAPSD_VAR_AUTO_TRIG, ar->wmi.svc_map)) {
+ /* Only userspace can make an educated decision when to send
+ * trigger frame. The following effectively disables u-UAPSD
+ * autotrigger in firmware (which is enabled by default
+ * provided the autotrigger service is available).
+ */
+
+ arg.wmm_ac = acc;
+ arg.user_priority = prio;
+ arg.service_interval = 0;
+ arg.suspend_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC;
+ arg.delay_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC;
+
+ ret = ath10k_wmi_vdev_sta_uapsd(ar, arvif->vdev_id,
+ arvif->bssid, &arg, 1);
+ if (ret) {
+ ath10k_warn(ar, "failed to set uapsd auto trigger %d\n",
+ ret);
+ return ret;
+ }
+ }
+
+exit:
+ return ret;
+}
+
+static int ath10k_conf_tx(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif, u16 ac,
+ const struct ieee80211_tx_queue_params *params)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ struct wmi_wmm_params_arg *p = NULL;
+ int ret;
+
+ mutex_lock(&ar->conf_mutex);
+
+ switch (ac) {
+ case IEEE80211_AC_VO:
+ p = &arvif->wmm_params.ac_vo;
+ break;
+ case IEEE80211_AC_VI:
+ p = &arvif->wmm_params.ac_vi;
+ break;
+ case IEEE80211_AC_BE:
+ p = &arvif->wmm_params.ac_be;
+ break;
+ case IEEE80211_AC_BK:
+ p = &arvif->wmm_params.ac_bk;
+ break;
+ }
+
+ if (WARN_ON(!p)) {
+ ret = -EINVAL;
+ goto exit;
+ }
+
+ p->cwmin = params->cw_min;
+ p->cwmax = params->cw_max;
+ p->aifs = params->aifs;
+
+ /*
+ * The channel time duration programmed in the HW is in absolute
+ * microseconds, while mac80211 gives the txop in units of
+ * 32 microseconds.
+ */
+ p->txop = params->txop * 32;
+
+ if (ar->wmi.ops->gen_vdev_wmm_conf) {
+ ret = ath10k_wmi_vdev_wmm_conf(ar, arvif->vdev_id,
+ &arvif->wmm_params);
+ if (ret) {
+ ath10k_warn(ar, "failed to set vdev wmm params on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ goto exit;
+ }
+ } else {
+ /* This won't work well with multi-interface cases but it's
+ * better than nothing.
+ */
+ ret = ath10k_wmi_pdev_set_wmm_params(ar, &arvif->wmm_params);
+ if (ret) {
+ ath10k_warn(ar, "failed to set wmm params: %d\n", ret);
+ goto exit;
+ }
+ }
+
+ ret = ath10k_conf_tx_uapsd(ar, vif, ac, params->uapsd);
+ if (ret)
+ ath10k_warn(ar, "failed to set sta uapsd: %d\n", ret);
+
+exit:
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+
+#define ATH10K_ROC_TIMEOUT_HZ (2 * HZ)
+
+static int ath10k_remain_on_channel(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_channel *chan,
+ int duration,
+ enum ieee80211_roc_type type)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ struct wmi_start_scan_arg arg;
+ int ret = 0;
+ u32 scan_time_msec;
+
+ mutex_lock(&ar->conf_mutex);
+
+ if (ath10k_mac_tdls_vif_stations_count(hw, vif) > 0) {
+ ret = -EBUSY;
+ goto exit;
+ }
+
+ spin_lock_bh(&ar->data_lock);
+ switch (ar->scan.state) {
+ case ATH10K_SCAN_IDLE:
+ reinit_completion(&ar->scan.started);
+ reinit_completion(&ar->scan.completed);
+ reinit_completion(&ar->scan.on_channel);
+ ar->scan.state = ATH10K_SCAN_STARTING;
+ ar->scan.is_roc = true;
+ ar->scan.vdev_id = arvif->vdev_id;
+ ar->scan.roc_freq = chan->center_freq;
+ ar->scan.roc_notify = true;
+ ret = 0;
+ break;
+ case ATH10K_SCAN_STARTING:
+ case ATH10K_SCAN_RUNNING:
+ case ATH10K_SCAN_ABORTING:
+ ret = -EBUSY;
+ break;
+ }
+ spin_unlock_bh(&ar->data_lock);
+
+ if (ret)
+ goto exit;
+
+ scan_time_msec = ar->hw->wiphy->max_remain_on_channel_duration * 2;
+
+ memset(&arg, 0, sizeof(arg));
+ ath10k_wmi_start_scan_init(ar, &arg);
+ arg.vdev_id = arvif->vdev_id;
+ arg.scan_id = ATH10K_SCAN_ID;
+ arg.n_channels = 1;
+ arg.channels[0] = chan->center_freq;
+ arg.dwell_time_active = scan_time_msec;
+ arg.dwell_time_passive = scan_time_msec;
+ arg.max_scan_time = scan_time_msec;
+ arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE;
+ arg.scan_ctrl_flags |= WMI_SCAN_FILTER_PROBE_REQ;
+ arg.burst_duration_ms = duration;
+
+ ret = ath10k_start_scan(ar, &arg);
+ if (ret) {
+ ath10k_warn(ar, "failed to start roc scan: %d\n", ret);
+ spin_lock_bh(&ar->data_lock);
+ ar->scan.state = ATH10K_SCAN_IDLE;
+ spin_unlock_bh(&ar->data_lock);
+ goto exit;
+ }
+
+ ret = wait_for_completion_timeout(&ar->scan.on_channel, 3 * HZ);
+ if (ret == 0) {
+ ath10k_warn(ar, "failed to switch to channel for roc scan\n");
+
+ ret = ath10k_scan_stop(ar);
+ if (ret)
+ ath10k_warn(ar, "failed to stop scan: %d\n", ret);
+
+ ret = -ETIMEDOUT;
+ goto exit;
+ }
+
+ ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout,
+ msecs_to_jiffies(duration));
+
+ ret = 0;
+exit:
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+
+static int ath10k_cancel_remain_on_channel(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct ath10k *ar = hw->priv;
+
+ mutex_lock(&ar->conf_mutex);
+
+ spin_lock_bh(&ar->data_lock);
+ ar->scan.roc_notify = false;
+ spin_unlock_bh(&ar->data_lock);
+
+ ath10k_scan_abort(ar);
+
+ mutex_unlock(&ar->conf_mutex);
+
+ cancel_delayed_work_sync(&ar->scan.timeout);
+
+ return 0;
+}
+
+/*
+ * Both RTS and Fragmentation threshold are interface-specific
+ * in ath10k, but device-specific in mac80211.
+ */
+
+static int ath10k_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_vif *arvif;
+ int ret = 0;
+
+ mutex_lock(&ar->conf_mutex);
+ list_for_each_entry(arvif, &ar->arvifs, list) {
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d rts threshold %d\n",
+ arvif->vdev_id, value);
+
+ ret = ath10k_mac_set_rts(arvif, value);
+ if (ret) {
+ ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n",
+ arvif->vdev_id, ret);
+ break;
+ }
+ }
+ mutex_unlock(&ar->conf_mutex);
+
+ return ret;
+}
+
+static int ath10k_mac_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value)
+{
+ /* Even though there's a WMI enum for fragmentation threshold no known
+ * firmware actually implements it. Moreover it is not possible to rely
+ * frame fragmentation to mac80211 because firmware clears the "more
+ * fragments" bit in frame control making it impossible for remote
+ * devices to reassemble frames.
+ *
+ * Hence implement a dummy callback just to say fragmentation isn't
+ * supported. This effectively prevents mac80211 from doing frame
+ * fragmentation in software.
+ */
+ return -EOPNOTSUPP;
+}
+
+void ath10k_mac_wait_tx_complete(struct ath10k *ar)
+{
+ bool skip;
+ long time_left;
+
+ /* mac80211 doesn't care if we really xmit queued frames or not
+ * we'll collect those frames either way if we stop/delete vdevs
+ */
+
+ if (ar->state == ATH10K_STATE_WEDGED)
+ return;
+
+ time_left = wait_event_timeout(ar->htt.empty_tx_wq, ({
+ bool empty;
+
+ spin_lock_bh(&ar->htt.tx_lock);
+ empty = (ar->htt.num_pending_tx == 0);
+ spin_unlock_bh(&ar->htt.tx_lock);
+
+ skip = (ar->state == ATH10K_STATE_WEDGED) ||
+ test_bit(ATH10K_FLAG_CRASH_FLUSH,
+ &ar->dev_flags);
+
+ (empty || skip);
+ }), ATH10K_FLUSH_TIMEOUT_HZ);
+
+ if (time_left == 0 || skip)
+ ath10k_warn(ar, "failed to flush transmit queue (skip %i ar-state %i): %ld\n",
+ skip, ar->state, time_left);
+}
+
+static void ath10k_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ u32 queues, bool drop)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_vif *arvif;
+ u32 bitmap;
+
+ if (drop) {
+ if (vif && vif->type == NL80211_IFTYPE_STATION) {
+ bitmap = ~(1 << WMI_MGMT_TID);
+ list_for_each_entry(arvif, &ar->arvifs, list) {
+ if (arvif->vdev_type == WMI_VDEV_TYPE_STA)
+ ath10k_wmi_peer_flush(ar, arvif->vdev_id,
+ arvif->bssid, bitmap);
+ }
+ ath10k_htt_flush_tx(&ar->htt);
+ }
+ return;
+ }
+
+ mutex_lock(&ar->conf_mutex);
+ ath10k_mac_wait_tx_complete(ar);
+ mutex_unlock(&ar->conf_mutex);
+}
+
+/* TODO: Implement this function properly
+ * For now it is needed to reply to Probe Requests in IBSS mode.
+ * Propably we need this information from FW.
+ */
+static int ath10k_tx_last_beacon(struct ieee80211_hw *hw)
+{
+ return 1;
+}
+
+static void ath10k_reconfig_complete(struct ieee80211_hw *hw,
+ enum ieee80211_reconfig_type reconfig_type)
+{
+ struct ath10k *ar = hw->priv;
+
+ if (reconfig_type != IEEE80211_RECONFIG_TYPE_RESTART)
+ return;
+
+ mutex_lock(&ar->conf_mutex);
+
+ /* If device failed to restart it will be in a different state, e.g.
+ * ATH10K_STATE_WEDGED
+ */
+ if (ar->state == ATH10K_STATE_RESTARTED) {
+ ath10k_info(ar, "device successfully recovered\n");
+ ar->state = ATH10K_STATE_ON;
+ ieee80211_wake_queues(ar->hw);
+ }
+
+ mutex_unlock(&ar->conf_mutex);
+}
+
+static void
+ath10k_mac_update_bss_chan_survey(struct ath10k *ar,
+ struct ieee80211_channel *channel)
+{
+ int ret;
+ enum wmi_bss_survey_req_type type = WMI_BSS_SURVEY_REQ_TYPE_READ;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (!test_bit(WMI_SERVICE_BSS_CHANNEL_INFO_64, ar->wmi.svc_map) ||
+ (ar->rx_channel != channel))
+ return;
+
+ if (ar->scan.state != ATH10K_SCAN_IDLE) {
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "ignoring bss chan info request while scanning..\n");
+ return;
+ }
+
+ reinit_completion(&ar->bss_survey_done);
+
+ ret = ath10k_wmi_pdev_bss_chan_info_request(ar, type);
+ if (ret) {
+ ath10k_warn(ar, "failed to send pdev bss chan info request\n");
+ return;
+ }
+
+ ret = wait_for_completion_timeout(&ar->bss_survey_done, 3 * HZ);
+ if (!ret) {
+ ath10k_warn(ar, "bss channel survey timed out\n");
+ return;
+ }
+}
+
+static int ath10k_get_survey(struct ieee80211_hw *hw, int idx,
+ struct survey_info *survey)
+{
+ struct ath10k *ar = hw->priv;
+ struct ieee80211_supported_band *sband;
+ struct survey_info *ar_survey = &ar->survey[idx];
+ int ret = 0;
+
+ mutex_lock(&ar->conf_mutex);
+
+ sband = hw->wiphy->bands[NL80211_BAND_2GHZ];
+ if (sband && idx >= sband->n_channels) {
+ idx -= sband->n_channels;
+ sband = NULL;
+ }
+
+ if (!sband)
+ sband = hw->wiphy->bands[NL80211_BAND_5GHZ];
+
+ if (!sband || idx >= sband->n_channels) {
+ ret = -ENOENT;
+ goto exit;
+ }
+
+ ath10k_mac_update_bss_chan_survey(ar, &sband->channels[idx]);
+
+ spin_lock_bh(&ar->data_lock);
+ memcpy(survey, ar_survey, sizeof(*survey));
+ spin_unlock_bh(&ar->data_lock);
+
+ survey->channel = &sband->channels[idx];
+
+ if (ar->rx_channel == survey->channel)
+ survey->filled |= SURVEY_INFO_IN_USE;
+
+exit:
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+
+static bool
+ath10k_mac_bitrate_mask_has_single_rate(struct ath10k *ar,
+ enum nl80211_band band,
+ const struct cfg80211_bitrate_mask *mask,
+ int *vht_num_rates)
+{
+ int num_rates = 0;
+ int i, tmp;
+
+ num_rates += hweight32(mask->control[band].legacy);
+
+ for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++)
+ num_rates += hweight8(mask->control[band].ht_mcs[i]);
+
+ *vht_num_rates = 0;
+ for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {
+ tmp = hweight16(mask->control[band].vht_mcs[i]);
+ num_rates += tmp;
+ *vht_num_rates += tmp;
+ }
+
+ return num_rates == 1;
+}
+
+static bool
+ath10k_mac_bitrate_mask_get_single_nss(struct ath10k *ar,
+ enum nl80211_band band,
+ const struct cfg80211_bitrate_mask *mask,
+ int *nss)
+{
+ struct ieee80211_supported_band *sband = &ar->mac.sbands[band];
+ u16 vht_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
+ u8 ht_nss_mask = 0;
+ u8 vht_nss_mask = 0;
+ int i;
+
+ if (mask->control[band].legacy)
+ return false;
+
+ for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) {
+ if (mask->control[band].ht_mcs[i] == 0)
+ continue;
+ else if (mask->control[band].ht_mcs[i] ==
+ sband->ht_cap.mcs.rx_mask[i])
+ ht_nss_mask |= BIT(i);
+ else
+ return false;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {
+ if (mask->control[band].vht_mcs[i] == 0)
+ continue;
+ else if (mask->control[band].vht_mcs[i] ==
+ ath10k_mac_get_max_vht_mcs_map(vht_mcs_map, i))
+ vht_nss_mask |= BIT(i);
+ else
+ return false;
+ }
+
+ if (ht_nss_mask != vht_nss_mask)
+ return false;
+
+ if (ht_nss_mask == 0)
+ return false;
+
+ if (BIT(fls(ht_nss_mask)) - 1 != ht_nss_mask)
+ return false;
+
+ *nss = fls(ht_nss_mask);
+
+ return true;
+}
+
+static int
+ath10k_mac_bitrate_mask_get_single_rate(struct ath10k *ar,
+ enum nl80211_band band,
+ const struct cfg80211_bitrate_mask *mask,
+ u8 *rate, u8 *nss, bool vht_only)
+{
+ int rate_idx;
+ int i;
+ u16 bitrate;
+ u8 preamble;
+ u8 hw_rate;
+
+ if (vht_only)
+ goto next;
+
+ if (hweight32(mask->control[band].legacy) == 1) {
+ rate_idx = ffs(mask->control[band].legacy) - 1;
+
+ if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY)
+ rate_idx += ATH10K_MAC_FIRST_OFDM_RATE_IDX;
+
+ hw_rate = ath10k_wmi_legacy_rates[rate_idx].hw_value;
+ bitrate = ath10k_wmi_legacy_rates[rate_idx].bitrate;
+
+ if (ath10k_mac_bitrate_is_cck(bitrate))
+ preamble = WMI_RATE_PREAMBLE_CCK;
+ else
+ preamble = WMI_RATE_PREAMBLE_OFDM;
+
+ *nss = 1;
+ *rate = preamble << 6 |
+ (*nss - 1) << 4 |
+ hw_rate << 0;
+
+ return 0;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) {
+ if (hweight8(mask->control[band].ht_mcs[i]) == 1) {
+ *nss = i + 1;
+ *rate = WMI_RATE_PREAMBLE_HT << 6 |
+ (*nss - 1) << 4 |
+ (ffs(mask->control[band].ht_mcs[i]) - 1);
+
+ return 0;
+ }
+ }
+
+next:
+ for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {
+ if (hweight16(mask->control[band].vht_mcs[i]) == 1) {
+ *nss = i + 1;
+ *rate = WMI_RATE_PREAMBLE_VHT << 6 |
+ (*nss - 1) << 4 |
+ (ffs(mask->control[band].vht_mcs[i]) - 1);
+
+ return 0;
+ }
+ }
+
+ return -EINVAL;
+}
+
+static int ath10k_mac_set_fixed_rate_params(struct ath10k_vif *arvif,
+ u8 rate, u8 nss, u8 sgi, u8 ldpc)
+{
+ struct ath10k *ar = arvif->ar;
+ u32 vdev_param;
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac set fixed rate params vdev %i rate 0x%02hhx nss %hhu sgi %hhu\n",
+ arvif->vdev_id, rate, nss, sgi);
+
+ vdev_param = ar->wmi.vdev_param->fixed_rate;
+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, rate);
+ if (ret) {
+ ath10k_warn(ar, "failed to set fixed rate param 0x%02x: %d\n",
+ rate, ret);
+ return ret;
+ }
+
+ vdev_param = ar->wmi.vdev_param->nss;
+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, nss);
+ if (ret) {
+ ath10k_warn(ar, "failed to set nss param %d: %d\n", nss, ret);
+ return ret;
+ }
+
+ vdev_param = ar->wmi.vdev_param->sgi;
+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, sgi);
+ if (ret) {
+ ath10k_warn(ar, "failed to set sgi param %d: %d\n", sgi, ret);
+ return ret;
+ }
+
+ vdev_param = ar->wmi.vdev_param->ldpc;
+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, ldpc);
+ if (ret) {
+ ath10k_warn(ar, "failed to set ldpc param %d: %d\n", ldpc, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static bool
+ath10k_mac_can_set_bitrate_mask(struct ath10k *ar,
+ enum nl80211_band band,
+ const struct cfg80211_bitrate_mask *mask,
+ bool allow_pfr)
+{
+ int i;
+ u16 vht_mcs;
+
+ /* Due to firmware limitation in WMI_PEER_ASSOC_CMDID it is impossible
+ * to express all VHT MCS rate masks. Effectively only the following
+ * ranges can be used: none, 0-7, 0-8 and 0-9.
+ */
+ for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
+ vht_mcs = mask->control[band].vht_mcs[i];
+
+ switch (vht_mcs) {
+ case 0:
+ case BIT(8) - 1:
+ case BIT(9) - 1:
+ case BIT(10) - 1:
+ break;
+ default:
+ if (!allow_pfr)
+ ath10k_warn(ar, "refusing bitrate mask with missing 0-7 VHT MCS rates\n");
+ return false;
+ }
+ }
+
+ return true;
+}
+
+static bool ath10k_mac_set_vht_bitrate_mask_fixup(struct ath10k *ar,
+ struct ath10k_vif *arvif,
+ struct ieee80211_sta *sta)
+{
+ int err;
+ u8 rate = arvif->vht_pfr;
+
+ /* skip non vht and multiple rate peers */
+ if (!sta->vht_cap.vht_supported || arvif->vht_num_rates != 1)
+ return false;
+
+ err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
+ WMI_PEER_PARAM_FIXED_RATE, rate);
+ if (err)
+ ath10k_warn(ar, "failed to eanble STA %pM peer fixed rate: %d\n",
+ sta->addr, err);
+
+ return true;
+}
+
+static void ath10k_mac_set_bitrate_mask_iter(void *data,
+ struct ieee80211_sta *sta)
+{
+ struct ath10k_vif *arvif = data;
+ struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
+ struct ath10k *ar = arvif->ar;
+
+ if (arsta->arvif != arvif)
+ return;
+
+ if (ath10k_mac_set_vht_bitrate_mask_fixup(ar, arvif, sta))
+ return;
+
+ spin_lock_bh(&ar->data_lock);
+ arsta->changed |= IEEE80211_RC_SUPP_RATES_CHANGED;
+ spin_unlock_bh(&ar->data_lock);
+
+ ieee80211_queue_work(ar->hw, &arsta->update_wk);
+}
+
+static void ath10k_mac_clr_bitrate_mask_iter(void *data,
+ struct ieee80211_sta *sta)
+{
+ struct ath10k_vif *arvif = data;
+ struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
+ struct ath10k *ar = arvif->ar;
+ int err;
+
+ /* clear vht peers only */
+ if (arsta->arvif != arvif || !sta->vht_cap.vht_supported)
+ return;
+
+ err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
+ WMI_PEER_PARAM_FIXED_RATE,
+ WMI_FIXED_RATE_NONE);
+ if (err)
+ ath10k_warn(ar, "failed to clear STA %pM peer fixed rate: %d\n",
+ sta->addr, err);
+}
+
+static int ath10k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ const struct cfg80211_bitrate_mask *mask)
+{
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ struct cfg80211_chan_def def;
+ struct ath10k *ar = arvif->ar;
+ enum nl80211_band band;
+ const u8 *ht_mcs_mask;
+ const u16 *vht_mcs_mask;
+ u8 rate;
+ u8 nss;
+ u8 sgi;
+ u8 ldpc;
+ int single_nss;
+ int ret;
+ int vht_num_rates, allow_pfr;
+ u8 vht_pfr;
+ bool update_bitrate_mask = true;
+
+ if (ath10k_mac_vif_chan(vif, &def))
+ return -EPERM;
+
+ band = def.chan->band;
+ ht_mcs_mask = mask->control[band].ht_mcs;
+ vht_mcs_mask = mask->control[band].vht_mcs;
+ ldpc = !!(ar->ht_cap_info & WMI_HT_CAP_LDPC);
+
+ sgi = mask->control[band].gi;
+ if (sgi == NL80211_TXRATE_FORCE_LGI)
+ return -EINVAL;
+
+ allow_pfr = test_bit(ATH10K_FW_FEATURE_PEER_FIXED_RATE,
+ ar->normal_mode_fw.fw_file.fw_features);
+ if (allow_pfr) {
+ mutex_lock(&ar->conf_mutex);
+ ieee80211_iterate_stations_atomic(ar->hw,
+ ath10k_mac_clr_bitrate_mask_iter,
+ arvif);
+ mutex_unlock(&ar->conf_mutex);
+ }
+
+ if (ath10k_mac_bitrate_mask_has_single_rate(ar, band, mask,
+ &vht_num_rates)) {
+ ret = ath10k_mac_bitrate_mask_get_single_rate(ar, band, mask,
+ &rate, &nss,
+ false);
+ if (ret) {
+ ath10k_warn(ar, "failed to get single rate for vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+ } else if (ath10k_mac_bitrate_mask_get_single_nss(ar, band, mask,
+ &single_nss)) {
+ rate = WMI_FIXED_RATE_NONE;
+ nss = single_nss;
+ } else {
+ rate = WMI_FIXED_RATE_NONE;
+ nss = min(ar->num_rf_chains,
+ max(ath10k_mac_max_ht_nss(ht_mcs_mask),
+ ath10k_mac_max_vht_nss(vht_mcs_mask)));
+
+ if (!ath10k_mac_can_set_bitrate_mask(ar, band, mask,
+ allow_pfr)) {
+ u8 vht_nss;
+
+ if (!allow_pfr || vht_num_rates != 1)
+ return -EINVAL;
+
+ /* Reach here, firmware supports peer fixed rate and has
+ * single vht rate, and don't update vif birate_mask, as
+ * the rate only for specific peer.
+ */
+ ath10k_mac_bitrate_mask_get_single_rate(ar, band, mask,
+ &vht_pfr,
+ &vht_nss,
+ true);
+ update_bitrate_mask = false;
+ } else {
+ vht_pfr = 0;
+ }
+
+ mutex_lock(&ar->conf_mutex);
+
+ if (update_bitrate_mask)
+ arvif->bitrate_mask = *mask;
+ arvif->vht_num_rates = vht_num_rates;
+ arvif->vht_pfr = vht_pfr;
+ ieee80211_iterate_stations_atomic(ar->hw,
+ ath10k_mac_set_bitrate_mask_iter,
+ arvif);
+
+ mutex_unlock(&ar->conf_mutex);
+ }
+
+ mutex_lock(&ar->conf_mutex);
+
+ ret = ath10k_mac_set_fixed_rate_params(arvif, rate, nss, sgi, ldpc);
+ if (ret) {
+ ath10k_warn(ar, "failed to set fixed rate params on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ goto exit;
+ }
+
+exit:
+ mutex_unlock(&ar->conf_mutex);
+
+ return ret;
+}
+
+static void ath10k_sta_rc_update(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ u32 changed)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ struct ath10k_peer *peer;
+ u32 bw, smps;
+
+ spin_lock_bh(&ar->data_lock);
+
+ peer = ath10k_peer_find(ar, arvif->vdev_id, sta->addr);
+ if (!peer) {
+ spin_unlock_bh(&ar->data_lock);
+ ath10k_warn(ar, "mac sta rc update failed to find peer %pM on vdev %i\n",
+ sta->addr, arvif->vdev_id);
+ return;
+ }
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac sta rc update for %pM changed %08x bw %d nss %d smps %d\n",
+ sta->addr, changed, sta->bandwidth, sta->rx_nss,
+ sta->smps_mode);
+
+ if (changed & IEEE80211_RC_BW_CHANGED) {
+ bw = WMI_PEER_CHWIDTH_20MHZ;
+
+ switch (sta->bandwidth) {
+ case IEEE80211_STA_RX_BW_20:
+ bw = WMI_PEER_CHWIDTH_20MHZ;
+ break;
+ case IEEE80211_STA_RX_BW_40:
+ bw = WMI_PEER_CHWIDTH_40MHZ;
+ break;
+ case IEEE80211_STA_RX_BW_80:
+ bw = WMI_PEER_CHWIDTH_80MHZ;
+ break;
+ case IEEE80211_STA_RX_BW_160:
+ bw = WMI_PEER_CHWIDTH_160MHZ;
+ break;
+ default:
+ ath10k_warn(ar, "Invalid bandwidth %d in rc update for %pM\n",
+ sta->bandwidth, sta->addr);
+ bw = WMI_PEER_CHWIDTH_20MHZ;
+ break;
+ }
+
+ arsta->bw = bw;
+ }
+
+ if (changed & IEEE80211_RC_NSS_CHANGED)
+ arsta->nss = sta->rx_nss;
+
+ if (changed & IEEE80211_RC_SMPS_CHANGED) {
+ smps = WMI_PEER_SMPS_PS_NONE;
+
+ switch (sta->smps_mode) {
+ case IEEE80211_SMPS_AUTOMATIC:
+ case IEEE80211_SMPS_OFF:
+ smps = WMI_PEER_SMPS_PS_NONE;
+ break;
+ case IEEE80211_SMPS_STATIC:
+ smps = WMI_PEER_SMPS_STATIC;
+ break;
+ case IEEE80211_SMPS_DYNAMIC:
+ smps = WMI_PEER_SMPS_DYNAMIC;
+ break;
+ case IEEE80211_SMPS_NUM_MODES:
+ ath10k_warn(ar, "Invalid smps %d in sta rc update for %pM\n",
+ sta->smps_mode, sta->addr);
+ smps = WMI_PEER_SMPS_PS_NONE;
+ break;
+ }
+
+ arsta->smps = smps;
+ }
+
+ arsta->changed |= changed;
+
+ spin_unlock_bh(&ar->data_lock);
+
+ ieee80211_queue_work(hw, &arsta->update_wk);
+}
+
+static void ath10k_offset_tsf(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif, s64 tsf_offset)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ u32 offset, vdev_param;
+ int ret;
+
+ if (tsf_offset < 0) {
+ vdev_param = ar->wmi.vdev_param->dec_tsf;
+ offset = -tsf_offset;
+ } else {
+ vdev_param = ar->wmi.vdev_param->inc_tsf;
+ offset = tsf_offset;
+ }
+
+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id,
+ vdev_param, offset);
+
+ if (ret && ret != -EOPNOTSUPP)
+ ath10k_warn(ar, "failed to set tsf offset %d cmd %d: %d\n",
+ offset, vdev_param, ret);
+}
+
+static int ath10k_ampdu_action(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_ampdu_params *params)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ struct ieee80211_sta *sta = params->sta;
+ enum ieee80211_ampdu_mlme_action action = params->action;
+ u16 tid = params->tid;
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ampdu vdev_id %i sta %pM tid %hu action %d\n",
+ arvif->vdev_id, sta->addr, tid, action);
+
+ switch (action) {
+ case IEEE80211_AMPDU_RX_START:
+ case IEEE80211_AMPDU_RX_STOP:
+ /* HTT AddBa/DelBa events trigger mac80211 Rx BA session
+ * creation/removal. Do we need to verify this?
+ */
+ return 0;
+ case IEEE80211_AMPDU_TX_START:
+ case IEEE80211_AMPDU_TX_STOP_CONT:
+ case IEEE80211_AMPDU_TX_STOP_FLUSH:
+ case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
+ case IEEE80211_AMPDU_TX_OPERATIONAL:
+ /* Firmware offloads Tx aggregation entirely so deny mac80211
+ * Tx aggregation requests.
+ */
+ return -EOPNOTSUPP;
+ }
+
+ return -EINVAL;
+}
+
+static void
+ath10k_mac_update_rx_channel(struct ath10k *ar,
+ struct ieee80211_chanctx_conf *ctx,
+ struct ieee80211_vif_chanctx_switch *vifs,
+ int n_vifs)
+{
+ struct cfg80211_chan_def *def = NULL;
+
+ /* Both locks are required because ar->rx_channel is modified. This
+ * allows readers to hold either lock.
+ */
+ lockdep_assert_held(&ar->conf_mutex);
+ lockdep_assert_held(&ar->data_lock);
+
+ WARN_ON(ctx && vifs);
+ WARN_ON(vifs && !n_vifs);
+
+ /* FIXME: Sort of an optimization and a workaround. Peers and vifs are
+ * on a linked list now. Doing a lookup peer -> vif -> chanctx for each
+ * ppdu on Rx may reduce performance on low-end systems. It should be
+ * possible to make tables/hashmaps to speed the lookup up (be vary of
+ * cpu data cache lines though regarding sizes) but to keep the initial
+ * implementation simple and less intrusive fallback to the slow lookup
+ * only for multi-channel cases. Single-channel cases will remain to
+ * use the old channel derival and thus performance should not be
+ * affected much.
+ */
+ rcu_read_lock();
+ if (!ctx && ath10k_mac_num_chanctxs(ar) == 1) {
+ ieee80211_iter_chan_contexts_atomic(ar->hw,
+ ath10k_mac_get_any_chandef_iter,
+ &def);
+
+ if (vifs)
+ def = &vifs[0].new_ctx->def;
+
+ ar->rx_channel = def->chan;
+ } else if ((ctx && ath10k_mac_num_chanctxs(ar) == 0) ||
+ (ctx && (ar->state == ATH10K_STATE_RESTARTED))) {
+ /* During driver restart due to firmware assert, since mac80211
+ * already has valid channel context for given radio, channel
+ * context iteration return num_chanctx > 0. So fix rx_channel
+ * when restart is in progress.
+ */
+ ar->rx_channel = ctx->def.chan;
+ } else {
+ ar->rx_channel = NULL;
+ }
+ rcu_read_unlock();
+}
+
+static void
+ath10k_mac_update_vif_chan(struct ath10k *ar,
+ struct ieee80211_vif_chanctx_switch *vifs,
+ int n_vifs)
+{
+ struct ath10k_vif *arvif;
+ int ret;
+ int i;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ /* First stop monitor interface. Some FW versions crash if there's a
+ * lone monitor interface.
+ */
+ if (ar->monitor_started)
+ ath10k_monitor_stop(ar);
+
+ for (i = 0; i < n_vifs; i++) {
+ arvif = (void *)vifs[i].vif->drv_priv;
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac chanctx switch vdev_id %i freq %hu->%hu width %d->%d\n",
+ arvif->vdev_id,
+ vifs[i].old_ctx->def.chan->center_freq,
+ vifs[i].new_ctx->def.chan->center_freq,
+ vifs[i].old_ctx->def.width,
+ vifs[i].new_ctx->def.width);
+
+ if (WARN_ON(!arvif->is_started))
+ continue;
+
+ if (WARN_ON(!arvif->is_up))
+ continue;
+
+ ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
+ if (ret) {
+ ath10k_warn(ar, "failed to down vdev %d: %d\n",
+ arvif->vdev_id, ret);
+ continue;
+ }
+ }
+
+ /* All relevant vdevs are downed and associated channel resources
+ * should be available for the channel switch now.
+ */
+
+ spin_lock_bh(&ar->data_lock);
+ ath10k_mac_update_rx_channel(ar, NULL, vifs, n_vifs);
+ spin_unlock_bh(&ar->data_lock);
+
+ for (i = 0; i < n_vifs; i++) {
+ arvif = (void *)vifs[i].vif->drv_priv;
+
+ if (WARN_ON(!arvif->is_started))
+ continue;
+
+ if (WARN_ON(!arvif->is_up))
+ continue;
+
+ ret = ath10k_mac_setup_bcn_tmpl(arvif);
+ if (ret)
+ ath10k_warn(ar, "failed to update bcn tmpl during csa: %d\n",
+ ret);
+
+ ret = ath10k_mac_setup_prb_tmpl(arvif);
+ if (ret)
+ ath10k_warn(ar, "failed to update prb tmpl during csa: %d\n",
+ ret);
+
+ ret = ath10k_vdev_restart(arvif, &vifs[i].new_ctx->def);
+ if (ret) {
+ ath10k_warn(ar, "failed to restart vdev %d: %d\n",
+ arvif->vdev_id, ret);
+ continue;
+ }
+
+ ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
+ arvif->bssid);
+ if (ret) {
+ ath10k_warn(ar, "failed to bring vdev up %d: %d\n",
+ arvif->vdev_id, ret);
+ continue;
+ }
+ }
+
+ ath10k_monitor_recalc(ar);
+}
+
+static int
+ath10k_mac_op_add_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *ctx)
+{
+ struct ath10k *ar = hw->priv;
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac chanctx add freq %hu width %d ptr %pK\n",
+ ctx->def.chan->center_freq, ctx->def.width, ctx);
+
+ mutex_lock(&ar->conf_mutex);
+
+ spin_lock_bh(&ar->data_lock);
+ ath10k_mac_update_rx_channel(ar, ctx, NULL, 0);
+ spin_unlock_bh(&ar->data_lock);
+
+ ath10k_recalc_radar_detection(ar);
+ ath10k_monitor_recalc(ar);
+
+ mutex_unlock(&ar->conf_mutex);
+
+ return 0;
+}
+
+static void
+ath10k_mac_op_remove_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *ctx)
+{
+ struct ath10k *ar = hw->priv;
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac chanctx remove freq %hu width %d ptr %pK\n",
+ ctx->def.chan->center_freq, ctx->def.width, ctx);
+
+ mutex_lock(&ar->conf_mutex);
+
+ spin_lock_bh(&ar->data_lock);
+ ath10k_mac_update_rx_channel(ar, NULL, NULL, 0);
+ spin_unlock_bh(&ar->data_lock);
+
+ ath10k_recalc_radar_detection(ar);
+ ath10k_monitor_recalc(ar);
+
+ mutex_unlock(&ar->conf_mutex);
+}
+
+struct ath10k_mac_change_chanctx_arg {
+ struct ieee80211_chanctx_conf *ctx;
+ struct ieee80211_vif_chanctx_switch *vifs;
+ int n_vifs;
+ int next_vif;
+};
+
+static void
+ath10k_mac_change_chanctx_cnt_iter(void *data, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ struct ath10k_mac_change_chanctx_arg *arg = data;
+
+ if (rcu_access_pointer(vif->chanctx_conf) != arg->ctx)
+ return;
+
+ arg->n_vifs++;
+}
+
+static void
+ath10k_mac_change_chanctx_fill_iter(void *data, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ struct ath10k_mac_change_chanctx_arg *arg = data;
+ struct ieee80211_chanctx_conf *ctx;
+
+ ctx = rcu_access_pointer(vif->chanctx_conf);
+ if (ctx != arg->ctx)
+ return;
+
+ if (WARN_ON(arg->next_vif == arg->n_vifs))
+ return;
+
+ arg->vifs[arg->next_vif].vif = vif;
+ arg->vifs[arg->next_vif].old_ctx = ctx;
+ arg->vifs[arg->next_vif].new_ctx = ctx;
+ arg->next_vif++;
+}
+
+static void
+ath10k_mac_op_change_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *ctx,
+ u32 changed)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_mac_change_chanctx_arg arg = { .ctx = ctx };
+
+ mutex_lock(&ar->conf_mutex);
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac chanctx change freq %hu width %d ptr %pK changed %x\n",
+ ctx->def.chan->center_freq, ctx->def.width, ctx, changed);
+
+ /* This shouldn't really happen because channel switching should use
+ * switch_vif_chanctx().
+ */
+ if (WARN_ON(changed & IEEE80211_CHANCTX_CHANGE_CHANNEL))
+ goto unlock;
+
+ if (changed & IEEE80211_CHANCTX_CHANGE_WIDTH) {
+ ieee80211_iterate_active_interfaces_atomic(
+ hw,
+ IEEE80211_IFACE_ITER_NORMAL,
+ ath10k_mac_change_chanctx_cnt_iter,
+ &arg);
+ if (arg.n_vifs == 0)
+ goto radar;
+
+ arg.vifs = kcalloc(arg.n_vifs, sizeof(arg.vifs[0]),
+ GFP_KERNEL);
+ if (!arg.vifs)
+ goto radar;
+
+ ieee80211_iterate_active_interfaces_atomic(
+ hw,
+ IEEE80211_IFACE_ITER_NORMAL,
+ ath10k_mac_change_chanctx_fill_iter,
+ &arg);
+ ath10k_mac_update_vif_chan(ar, arg.vifs, arg.n_vifs);
+ kfree(arg.vifs);
+ }
+
+radar:
+ ath10k_recalc_radar_detection(ar);
+
+ /* FIXME: How to configure Rx chains properly? */
+
+ /* No other actions are actually necessary. Firmware maintains channel
+ * definitions per vdev internally and there's no host-side channel
+ * context abstraction to configure, e.g. channel width.
+ */
+
+unlock:
+ mutex_unlock(&ar->conf_mutex);
+}
+
+static int
+ath10k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_chanctx_conf *ctx)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ int ret;
+
+ mutex_lock(&ar->conf_mutex);
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac chanctx assign ptr %pK vdev_id %i\n",
+ ctx, arvif->vdev_id);
+
+ if (WARN_ON(arvif->is_started)) {
+ mutex_unlock(&ar->conf_mutex);
+ return -EBUSY;
+ }
+
+ ret = ath10k_vdev_start(arvif, &ctx->def);
+ if (ret) {
+ ath10k_warn(ar, "failed to start vdev %i addr %pM on freq %d: %d\n",
+ arvif->vdev_id, vif->addr,
+ ctx->def.chan->center_freq, ret);
+ goto err;
+ }
+
+ arvif->is_started = true;
+
+ ret = ath10k_mac_vif_setup_ps(arvif);
+ if (ret) {
+ ath10k_warn(ar, "failed to update vdev %i ps: %d\n",
+ arvif->vdev_id, ret);
+ goto err_stop;
+ }
+
+ if (vif->type == NL80211_IFTYPE_MONITOR) {
+ ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, 0, vif->addr);
+ if (ret) {
+ ath10k_warn(ar, "failed to up monitor vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ goto err_stop;
+ }
+
+ arvif->is_up = true;
+ }
+
+ if (ath10k_mac_can_set_cts_prot(arvif)) {
+ ret = ath10k_mac_set_cts_prot(arvif);
+ if (ret)
+ ath10k_warn(ar, "failed to set cts protection for vdev %d: %d\n",
+ arvif->vdev_id, ret);
+ }
+
+ if (ath10k_peer_stats_enabled(ar) &&
+ ar->hw_params.tx_stats_over_pktlog) {
+ ar->pktlog_filter |= ATH10K_PKTLOG_PEER_STATS;
+ ret = ath10k_wmi_pdev_pktlog_enable(ar,
+ ar->pktlog_filter);
+ if (ret) {
+ ath10k_warn(ar, "failed to enable pktlog %d\n", ret);
+ goto err_stop;
+ }
+ }
+
+ mutex_unlock(&ar->conf_mutex);
+ return 0;
+
+err_stop:
+ ath10k_vdev_stop(arvif);
+ arvif->is_started = false;
+ ath10k_mac_vif_setup_ps(arvif);
+
+err:
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+
+static void
+ath10k_mac_op_unassign_vif_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_chanctx_conf *ctx)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ int ret;
+
+ mutex_lock(&ar->conf_mutex);
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac chanctx unassign ptr %pK vdev_id %i\n",
+ ctx, arvif->vdev_id);
+
+ WARN_ON(!arvif->is_started);
+
+ if (vif->type == NL80211_IFTYPE_MONITOR) {
+ WARN_ON(!arvif->is_up);
+
+ ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
+ if (ret)
+ ath10k_warn(ar, "failed to down monitor vdev %i: %d\n",
+ arvif->vdev_id, ret);
+
+ arvif->is_up = false;
+ }
+
+ ret = ath10k_vdev_stop(arvif);
+ if (ret)
+ ath10k_warn(ar, "failed to stop vdev %i: %d\n",
+ arvif->vdev_id, ret);
+
+ arvif->is_started = false;
+
+ mutex_unlock(&ar->conf_mutex);
+}
+
+static int
+ath10k_mac_op_switch_vif_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_vif_chanctx_switch *vifs,
+ int n_vifs,
+ enum ieee80211_chanctx_switch_mode mode)
+{
+ struct ath10k *ar = hw->priv;
+
+ mutex_lock(&ar->conf_mutex);
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac chanctx switch n_vifs %d mode %d\n",
+ n_vifs, mode);
+ ath10k_mac_update_vif_chan(ar, vifs, n_vifs);
+
+ mutex_unlock(&ar->conf_mutex);
+ return 0;
+}
+
+static void ath10k_mac_op_sta_pre_rcu_remove(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct ath10k *ar;
+ struct ath10k_peer *peer;
+
+ ar = hw->priv;
+
+ list_for_each_entry(peer, &ar->peers, list)
+ if (peer->sta == sta)
+ peer->removed = true;
+}
+
+static void ath10k_sta_statistics(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct station_info *sinfo)
+{
+ struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
+ struct ath10k *ar = arsta->arvif->ar;
+
+ if (!ath10k_peer_stats_enabled(ar))
+ return;
+
+ sinfo->rx_duration = arsta->rx_duration;
+ sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_DURATION);
+
+ if (!arsta->txrate.legacy && !arsta->txrate.nss)
+ return;
+
+ if (arsta->txrate.legacy) {
+ sinfo->txrate.legacy = arsta->txrate.legacy;
+ } else {
+ sinfo->txrate.mcs = arsta->txrate.mcs;
+ sinfo->txrate.nss = arsta->txrate.nss;
+ sinfo->txrate.bw = arsta->txrate.bw;
+ }
+ sinfo->txrate.flags = arsta->txrate.flags;
+ sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
+}
+
+static const struct ieee80211_ops ath10k_ops = {
+ .tx = ath10k_mac_op_tx,
+ .wake_tx_queue = ath10k_mac_op_wake_tx_queue,
+ .start = ath10k_start,
+ .stop = ath10k_stop,
+ .config = ath10k_config,
+ .add_interface = ath10k_add_interface,
+ .remove_interface = ath10k_remove_interface,
+ .configure_filter = ath10k_configure_filter,
+ .bss_info_changed = ath10k_bss_info_changed,
+ .set_coverage_class = ath10k_mac_op_set_coverage_class,
+ .hw_scan = ath10k_hw_scan,
+ .cancel_hw_scan = ath10k_cancel_hw_scan,
+ .set_key = ath10k_set_key,
+ .set_default_unicast_key = ath10k_set_default_unicast_key,
+ .sta_state = ath10k_sta_state,
+ .sta_set_txpwr = ath10k_sta_set_txpwr,
+ .conf_tx = ath10k_conf_tx,
+ .remain_on_channel = ath10k_remain_on_channel,
+ .cancel_remain_on_channel = ath10k_cancel_remain_on_channel,
+ .set_rts_threshold = ath10k_set_rts_threshold,
+ .set_frag_threshold = ath10k_mac_op_set_frag_threshold,
+ .flush = ath10k_flush,
+ .tx_last_beacon = ath10k_tx_last_beacon,
+ .set_antenna = ath10k_set_antenna,
+ .get_antenna = ath10k_get_antenna,
+ .reconfig_complete = ath10k_reconfig_complete,
+ .get_survey = ath10k_get_survey,
+ .set_bitrate_mask = ath10k_mac_op_set_bitrate_mask,
+ .sta_rc_update = ath10k_sta_rc_update,
+ .offset_tsf = ath10k_offset_tsf,
+ .ampdu_action = ath10k_ampdu_action,
+ .get_et_sset_count = ath10k_debug_get_et_sset_count,
+ .get_et_stats = ath10k_debug_get_et_stats,
+ .get_et_strings = ath10k_debug_get_et_strings,
+ .add_chanctx = ath10k_mac_op_add_chanctx,
+ .remove_chanctx = ath10k_mac_op_remove_chanctx,
+ .change_chanctx = ath10k_mac_op_change_chanctx,
+ .assign_vif_chanctx = ath10k_mac_op_assign_vif_chanctx,
+ .unassign_vif_chanctx = ath10k_mac_op_unassign_vif_chanctx,
+ .switch_vif_chanctx = ath10k_mac_op_switch_vif_chanctx,
+ .sta_pre_rcu_remove = ath10k_mac_op_sta_pre_rcu_remove,
+ .sta_statistics = ath10k_sta_statistics,
+
+ CFG80211_TESTMODE_CMD(ath10k_tm_cmd)
+
+#ifdef CONFIG_PM
+ .suspend = ath10k_wow_op_suspend,
+ .resume = ath10k_wow_op_resume,
+ .set_wakeup = ath10k_wow_op_set_wakeup,
+#endif
+#ifdef CONFIG_MAC80211_DEBUGFS
+ .sta_add_debugfs = ath10k_sta_add_debugfs,
+#endif
+};
+
+#define CHAN2G(_channel, _freq, _flags) { \
+ .band = NL80211_BAND_2GHZ, \
+ .hw_value = (_channel), \
+ .center_freq = (_freq), \
+ .flags = (_flags), \
+ .max_antenna_gain = 0, \
+ .max_power = 30, \
+}
+
+#define CHAN5G(_channel, _freq, _flags) { \
+ .band = NL80211_BAND_5GHZ, \
+ .hw_value = (_channel), \
+ .center_freq = (_freq), \
+ .flags = (_flags), \
+ .max_antenna_gain = 0, \
+ .max_power = 30, \
+}
+
+static const struct ieee80211_channel ath10k_2ghz_channels[] = {
+ CHAN2G(1, 2412, 0),
+ CHAN2G(2, 2417, 0),
+ CHAN2G(3, 2422, 0),
+ CHAN2G(4, 2427, 0),
+ CHAN2G(5, 2432, 0),
+ CHAN2G(6, 2437, 0),
+ CHAN2G(7, 2442, 0),
+ CHAN2G(8, 2447, 0),
+ CHAN2G(9, 2452, 0),
+ CHAN2G(10, 2457, 0),
+ CHAN2G(11, 2462, 0),
+ CHAN2G(12, 2467, 0),
+ CHAN2G(13, 2472, 0),
+ CHAN2G(14, 2484, 0),
+};
+
+static const struct ieee80211_channel ath10k_5ghz_channels[] = {
+ CHAN5G(36, 5180, 0),
+ CHAN5G(40, 5200, 0),
+ CHAN5G(44, 5220, 0),
+ CHAN5G(48, 5240, 0),
+ CHAN5G(52, 5260, 0),
+ CHAN5G(56, 5280, 0),
+ CHAN5G(60, 5300, 0),
+ CHAN5G(64, 5320, 0),
+ CHAN5G(100, 5500, 0),
+ CHAN5G(104, 5520, 0),
+ CHAN5G(108, 5540, 0),
+ CHAN5G(112, 5560, 0),
+ CHAN5G(116, 5580, 0),
+ CHAN5G(120, 5600, 0),
+ CHAN5G(124, 5620, 0),
+ CHAN5G(128, 5640, 0),
+ CHAN5G(132, 5660, 0),
+ CHAN5G(136, 5680, 0),
+ CHAN5G(140, 5700, 0),
+ CHAN5G(144, 5720, 0),
+ CHAN5G(149, 5745, 0),
+ CHAN5G(153, 5765, 0),
+ CHAN5G(157, 5785, 0),
+ CHAN5G(161, 5805, 0),
+ CHAN5G(165, 5825, 0),
+ CHAN5G(169, 5845, 0),
+ CHAN5G(173, 5865, 0),
+ /* If you add more, you may need to change ATH10K_MAX_5G_CHAN */
+ /* And you will definitely need to change ATH10K_NUM_CHANS in core.h */
+};
+
+struct ath10k *ath10k_mac_create(size_t priv_size)
+{
+ struct ieee80211_hw *hw;
+ struct ieee80211_ops *ops;
+ struct ath10k *ar;
+
+ ops = kmemdup(&ath10k_ops, sizeof(ath10k_ops), GFP_KERNEL);
+ if (!ops)
+ return NULL;
+
+ hw = ieee80211_alloc_hw(sizeof(struct ath10k) + priv_size, ops);
+ if (!hw) {
+ kfree(ops);
+ return NULL;
+ }
+
+ ar = hw->priv;
+ ar->hw = hw;
+ ar->ops = ops;
+
+ return ar;
+}
+
+void ath10k_mac_destroy(struct ath10k *ar)
+{
+ struct ieee80211_ops *ops = ar->ops;
+
+ ieee80211_free_hw(ar->hw);
+ kfree(ops);
+}
+
+static const struct ieee80211_iface_limit ath10k_if_limits[] = {
+ {
+ .max = 8,
+ .types = BIT(NL80211_IFTYPE_STATION)
+ | BIT(NL80211_IFTYPE_P2P_CLIENT)
+ },
+ {
+ .max = 3,
+ .types = BIT(NL80211_IFTYPE_P2P_GO)
+ },
+ {
+ .max = 1,
+ .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
+ },
+ {
+ .max = 7,
+ .types = BIT(NL80211_IFTYPE_AP)
+#ifdef CONFIG_MAC80211_MESH
+ | BIT(NL80211_IFTYPE_MESH_POINT)
+#endif
+ },
+};
+
+static const struct ieee80211_iface_limit ath10k_10x_if_limits[] = {
+ {
+ .max = 8,
+ .types = BIT(NL80211_IFTYPE_AP)
+#ifdef CONFIG_MAC80211_MESH
+ | BIT(NL80211_IFTYPE_MESH_POINT)
+#endif
+ },
+ {
+ .max = 1,
+ .types = BIT(NL80211_IFTYPE_STATION)
+ },
+};
+
+static const struct ieee80211_iface_combination ath10k_if_comb[] = {
+ {
+ .limits = ath10k_if_limits,
+ .n_limits = ARRAY_SIZE(ath10k_if_limits),
+ .max_interfaces = 8,
+ .num_different_channels = 1,
+ .beacon_int_infra_match = true,
+ },
+};
+
+static const struct ieee80211_iface_combination ath10k_10x_if_comb[] = {
+ {
+ .limits = ath10k_10x_if_limits,
+ .n_limits = ARRAY_SIZE(ath10k_10x_if_limits),
+ .max_interfaces = 8,
+ .num_different_channels = 1,
+ .beacon_int_infra_match = true,
+ .beacon_int_min_gcd = 1,
+#ifdef CONFIG_ATH10K_DFS_CERTIFIED
+ .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
+ BIT(NL80211_CHAN_WIDTH_20) |
+ BIT(NL80211_CHAN_WIDTH_40) |
+ BIT(NL80211_CHAN_WIDTH_80),
+#endif
+ },
+};
+
+static const struct ieee80211_iface_limit ath10k_tlv_if_limit[] = {
+ {
+ .max = 2,
+ .types = BIT(NL80211_IFTYPE_STATION),
+ },
+ {
+ .max = 2,
+ .types = BIT(NL80211_IFTYPE_AP) |
+#ifdef CONFIG_MAC80211_MESH
+ BIT(NL80211_IFTYPE_MESH_POINT) |
+#endif
+ BIT(NL80211_IFTYPE_P2P_CLIENT) |
+ BIT(NL80211_IFTYPE_P2P_GO),
+ },
+ {
+ .max = 1,
+ .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
+ },
+};
+
+static const struct ieee80211_iface_limit ath10k_tlv_qcs_if_limit[] = {
+ {
+ .max = 2,
+ .types = BIT(NL80211_IFTYPE_STATION),
+ },
+ {
+ .max = 2,
+ .types = BIT(NL80211_IFTYPE_P2P_CLIENT),
+ },
+ {
+ .max = 1,
+ .types = BIT(NL80211_IFTYPE_AP) |
+#ifdef CONFIG_MAC80211_MESH
+ BIT(NL80211_IFTYPE_MESH_POINT) |
+#endif
+ BIT(NL80211_IFTYPE_P2P_GO),
+ },
+ {
+ .max = 1,
+ .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
+ },
+};
+
+static const struct ieee80211_iface_limit ath10k_tlv_if_limit_ibss[] = {
+ {
+ .max = 1,
+ .types = BIT(NL80211_IFTYPE_STATION),
+ },
+ {
+ .max = 1,
+ .types = BIT(NL80211_IFTYPE_ADHOC),
+ },
+};
+
+/* FIXME: This is not thouroughly tested. These combinations may over- or
+ * underestimate hw/fw capabilities.
+ */
+static struct ieee80211_iface_combination ath10k_tlv_if_comb[] = {
+ {
+ .limits = ath10k_tlv_if_limit,
+ .num_different_channels = 1,
+ .max_interfaces = 4,
+ .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit),
+ },
+ {
+ .limits = ath10k_tlv_if_limit_ibss,
+ .num_different_channels = 1,
+ .max_interfaces = 2,
+ .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit_ibss),
+ },
+};
+
+static struct ieee80211_iface_combination ath10k_tlv_qcs_if_comb[] = {
+ {
+ .limits = ath10k_tlv_if_limit,
+ .num_different_channels = 1,
+ .max_interfaces = 4,
+ .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit),
+ },
+ {
+ .limits = ath10k_tlv_qcs_if_limit,
+ .num_different_channels = 2,
+ .max_interfaces = 4,
+ .n_limits = ARRAY_SIZE(ath10k_tlv_qcs_if_limit),
+ },
+ {
+ .limits = ath10k_tlv_if_limit_ibss,
+ .num_different_channels = 1,
+ .max_interfaces = 2,
+ .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit_ibss),
+ },
+};
+
+static const struct ieee80211_iface_limit ath10k_10_4_if_limits[] = {
+ {
+ .max = 1,
+ .types = BIT(NL80211_IFTYPE_STATION),
+ },
+ {
+ .max = 16,
+ .types = BIT(NL80211_IFTYPE_AP)
+#ifdef CONFIG_MAC80211_MESH
+ | BIT(NL80211_IFTYPE_MESH_POINT)
+#endif
+ },
+};
+
+static const struct ieee80211_iface_combination ath10k_10_4_if_comb[] = {
+ {
+ .limits = ath10k_10_4_if_limits,
+ .n_limits = ARRAY_SIZE(ath10k_10_4_if_limits),
+ .max_interfaces = 16,
+ .num_different_channels = 1,
+ .beacon_int_infra_match = true,
+ .beacon_int_min_gcd = 1,
+#ifdef CONFIG_ATH10K_DFS_CERTIFIED
+ .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
+ BIT(NL80211_CHAN_WIDTH_20) |
+ BIT(NL80211_CHAN_WIDTH_40) |
+ BIT(NL80211_CHAN_WIDTH_80),
+#endif
+ },
+};
+
+static const struct
+ieee80211_iface_combination ath10k_10_4_bcn_int_if_comb[] = {
+ {
+ .limits = ath10k_10_4_if_limits,
+ .n_limits = ARRAY_SIZE(ath10k_10_4_if_limits),
+ .max_interfaces = 16,
+ .num_different_channels = 1,
+ .beacon_int_infra_match = true,
+ .beacon_int_min_gcd = 100,
+#ifdef CONFIG_ATH10K_DFS_CERTIFIED
+ .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
+ BIT(NL80211_CHAN_WIDTH_20) |
+ BIT(NL80211_CHAN_WIDTH_40) |
+ BIT(NL80211_CHAN_WIDTH_80),
+#endif
+ },
+};
+
+static void ath10k_get_arvif_iter(void *data, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ struct ath10k_vif_iter *arvif_iter = data;
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+
+ if (arvif->vdev_id == arvif_iter->vdev_id)
+ arvif_iter->arvif = arvif;
+}
+
+struct ath10k_vif *ath10k_get_arvif(struct ath10k *ar, u32 vdev_id)
+{
+ struct ath10k_vif_iter arvif_iter;
+ u32 flags;
+
+ memset(&arvif_iter, 0, sizeof(struct ath10k_vif_iter));
+ arvif_iter.vdev_id = vdev_id;
+
+ flags = IEEE80211_IFACE_ITER_RESUME_ALL;
+ ieee80211_iterate_active_interfaces_atomic(ar->hw,
+ flags,
+ ath10k_get_arvif_iter,
+ &arvif_iter);
+ if (!arvif_iter.arvif) {
+ ath10k_warn(ar, "No VIF found for vdev %d\n", vdev_id);
+ return NULL;
+ }
+
+ return arvif_iter.arvif;
+}
+
+#define WRD_METHOD "WRDD"
+#define WRDD_WIFI (0x07)
+
+static u32 ath10k_mac_wrdd_get_mcc(struct ath10k *ar, union acpi_object *wrdd)
+{
+ union acpi_object *mcc_pkg;
+ union acpi_object *domain_type;
+ union acpi_object *mcc_value;
+ u32 i;
+
+ if (wrdd->type != ACPI_TYPE_PACKAGE ||
+ wrdd->package.count < 2 ||
+ wrdd->package.elements[0].type != ACPI_TYPE_INTEGER ||
+ wrdd->package.elements[0].integer.value != 0) {
+ ath10k_warn(ar, "ignoring malformed/unsupported wrdd structure\n");
+ return 0;
+ }
+
+ for (i = 1; i < wrdd->package.count; ++i) {
+ mcc_pkg = &wrdd->package.elements[i];
+
+ if (mcc_pkg->type != ACPI_TYPE_PACKAGE)
+ continue;
+ if (mcc_pkg->package.count < 2)
+ continue;
+ if (mcc_pkg->package.elements[0].type != ACPI_TYPE_INTEGER ||
+ mcc_pkg->package.elements[1].type != ACPI_TYPE_INTEGER)
+ continue;
+
+ domain_type = &mcc_pkg->package.elements[0];
+ if (domain_type->integer.value != WRDD_WIFI)
+ continue;
+
+ mcc_value = &mcc_pkg->package.elements[1];
+ return mcc_value->integer.value;
+ }
+ return 0;
+}
+
+static int ath10k_mac_get_wrdd_regulatory(struct ath10k *ar, u16 *rd)
+{
+ acpi_handle root_handle;
+ acpi_handle handle;
+ struct acpi_buffer wrdd = {ACPI_ALLOCATE_BUFFER, NULL};
+ acpi_status status;
+ u32 alpha2_code;
+ char alpha2[3];
+
+ root_handle = ACPI_HANDLE(ar->dev);
+ if (!root_handle)
+ return -EOPNOTSUPP;
+
+ status = acpi_get_handle(root_handle, (acpi_string)WRD_METHOD, &handle);
+ if (ACPI_FAILURE(status)) {
+ ath10k_dbg(ar, ATH10K_DBG_BOOT,
+ "failed to get wrd method %d\n", status);
+ return -EIO;
+ }
+
+ status = acpi_evaluate_object(handle, NULL, NULL, &wrdd);
+ if (ACPI_FAILURE(status)) {
+ ath10k_dbg(ar, ATH10K_DBG_BOOT,
+ "failed to call wrdc %d\n", status);
+ return -EIO;
+ }
+
+ alpha2_code = ath10k_mac_wrdd_get_mcc(ar, wrdd.pointer);
+ kfree(wrdd.pointer);
+ if (!alpha2_code)
+ return -EIO;
+
+ alpha2[0] = (alpha2_code >> 8) & 0xff;
+ alpha2[1] = (alpha2_code >> 0) & 0xff;
+ alpha2[2] = '\0';
+
+ ath10k_dbg(ar, ATH10K_DBG_BOOT,
+ "regulatory hint from WRDD (alpha2-code): %s\n", alpha2);
+
+ *rd = ath_regd_find_country_by_name(alpha2);
+ if (*rd == 0xffff)
+ return -EIO;
+
+ *rd |= COUNTRY_ERD_FLAG;
+ return 0;
+}
+
+static int ath10k_mac_init_rd(struct ath10k *ar)
+{
+ int ret;
+ u16 rd;
+
+ ret = ath10k_mac_get_wrdd_regulatory(ar, &rd);
+ if (ret) {
+ ath10k_dbg(ar, ATH10K_DBG_BOOT,
+ "fallback to eeprom programmed regulatory settings\n");
+ rd = ar->hw_eeprom_rd;
+ }
+
+ ar->ath_common.regulatory.current_rd = rd;
+ return 0;
+}
+
+int ath10k_mac_register(struct ath10k *ar)
+{
+ static const u32 cipher_suites[] = {
+ WLAN_CIPHER_SUITE_WEP40,
+ WLAN_CIPHER_SUITE_WEP104,
+ WLAN_CIPHER_SUITE_TKIP,
+ WLAN_CIPHER_SUITE_CCMP,
+
+ /* Do not add hardware supported ciphers before this line.
+ * Allow software encryption for all chips. Don't forget to
+ * update n_cipher_suites below.
+ */
+ WLAN_CIPHER_SUITE_AES_CMAC,
+ WLAN_CIPHER_SUITE_BIP_CMAC_256,
+ WLAN_CIPHER_SUITE_BIP_GMAC_128,
+ WLAN_CIPHER_SUITE_BIP_GMAC_256,
+
+ /* Only QCA99x0 and QCA4019 varients support GCMP-128, GCMP-256
+ * and CCMP-256 in hardware.
+ */
+ WLAN_CIPHER_SUITE_GCMP,
+ WLAN_CIPHER_SUITE_GCMP_256,
+ WLAN_CIPHER_SUITE_CCMP_256,
+ };
+ struct ieee80211_supported_band *band;
+ void *channels;
+ int ret;
+
+ if (!is_valid_ether_addr(ar->mac_addr)) {
+ ath10k_warn(ar, "invalid MAC address; choosing random\n");
+ eth_random_addr(ar->mac_addr);
+ }
+ SET_IEEE80211_PERM_ADDR(ar->hw, ar->mac_addr);
+
+ SET_IEEE80211_DEV(ar->hw, ar->dev);
+
+ BUILD_BUG_ON((ARRAY_SIZE(ath10k_2ghz_channels) +
+ ARRAY_SIZE(ath10k_5ghz_channels)) !=
+ ATH10K_NUM_CHANS);
+
+ if (ar->phy_capability & WHAL_WLAN_11G_CAPABILITY) {
+ channels = kmemdup(ath10k_2ghz_channels,
+ sizeof(ath10k_2ghz_channels),
+ GFP_KERNEL);
+ if (!channels) {
+ ret = -ENOMEM;
+ goto err_free;
+ }
+
+ band = &ar->mac.sbands[NL80211_BAND_2GHZ];
+ band->n_channels = ARRAY_SIZE(ath10k_2ghz_channels);
+ band->channels = channels;
+
+ if (ar->hw_params.cck_rate_map_rev2) {
+ band->n_bitrates = ath10k_g_rates_rev2_size;
+ band->bitrates = ath10k_g_rates_rev2;
+ } else {
+ band->n_bitrates = ath10k_g_rates_size;
+ band->bitrates = ath10k_g_rates;
+ }
+
+ ar->hw->wiphy->bands[NL80211_BAND_2GHZ] = band;
+ }
+
+ if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) {
+ channels = kmemdup(ath10k_5ghz_channels,
+ sizeof(ath10k_5ghz_channels),
+ GFP_KERNEL);
+ if (!channels) {
+ ret = -ENOMEM;
+ goto err_free;
+ }
+
+ band = &ar->mac.sbands[NL80211_BAND_5GHZ];
+ band->n_channels = ARRAY_SIZE(ath10k_5ghz_channels);
+ band->channels = channels;
+ band->n_bitrates = ath10k_a_rates_size;
+ band->bitrates = ath10k_a_rates;
+ ar->hw->wiphy->bands[NL80211_BAND_5GHZ] = band;
+ }
+
+ wiphy_read_of_freq_limits(ar->hw->wiphy);
+ ath10k_mac_setup_ht_vht_cap(ar);
+
+ ar->hw->wiphy->interface_modes =
+ BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_AP) |
+ BIT(NL80211_IFTYPE_MESH_POINT);
+
+ ar->hw->wiphy->available_antennas_rx = ar->cfg_rx_chainmask;
+ ar->hw->wiphy->available_antennas_tx = ar->cfg_tx_chainmask;
+
+ if (!test_bit(ATH10K_FW_FEATURE_NO_P2P, ar->normal_mode_fw.fw_file.fw_features))
+ ar->hw->wiphy->interface_modes |=
+ BIT(NL80211_IFTYPE_P2P_DEVICE) |
+ BIT(NL80211_IFTYPE_P2P_CLIENT) |
+ BIT(NL80211_IFTYPE_P2P_GO);
+
+ ieee80211_hw_set(ar->hw, SIGNAL_DBM);
+
+ if (!test_bit(ATH10K_FW_FEATURE_NO_PS,
+ ar->running_fw->fw_file.fw_features)) {
+ ieee80211_hw_set(ar->hw, SUPPORTS_PS);
+ ieee80211_hw_set(ar->hw, SUPPORTS_DYNAMIC_PS);
+ }
+
+ ieee80211_hw_set(ar->hw, MFP_CAPABLE);
+ ieee80211_hw_set(ar->hw, REPORTS_TX_ACK_STATUS);
+ ieee80211_hw_set(ar->hw, HAS_RATE_CONTROL);
+ ieee80211_hw_set(ar->hw, AP_LINK_PS);
+ ieee80211_hw_set(ar->hw, SPECTRUM_MGMT);
+ ieee80211_hw_set(ar->hw, SUPPORT_FAST_XMIT);
+ ieee80211_hw_set(ar->hw, CONNECTION_MONITOR);
+ ieee80211_hw_set(ar->hw, SUPPORTS_PER_STA_GTK);
+ ieee80211_hw_set(ar->hw, WANT_MONITOR_VIF);
+ ieee80211_hw_set(ar->hw, CHANCTX_STA_CSA);
+ ieee80211_hw_set(ar->hw, QUEUE_CONTROL);
+ ieee80211_hw_set(ar->hw, SUPPORTS_TX_FRAG);
+ ieee80211_hw_set(ar->hw, REPORTS_LOW_ACK);
+
+ if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags))
+ ieee80211_hw_set(ar->hw, SW_CRYPTO_CONTROL);
+
+ ar->hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS;
+ ar->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
+
+ if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS)
+ ar->hw->wiphy->features |= NL80211_FEATURE_DYNAMIC_SMPS;
+
+ if (ar->ht_cap_info & WMI_HT_CAP_ENABLED) {
+ ieee80211_hw_set(ar->hw, AMPDU_AGGREGATION);
+ ieee80211_hw_set(ar->hw, TX_AMPDU_SETUP_IN_HW);
+ }
+
+ ar->hw->wiphy->max_scan_ssids = WLAN_SCAN_PARAMS_MAX_SSID;
+ ar->hw->wiphy->max_scan_ie_len = WLAN_SCAN_PARAMS_MAX_IE_LEN;
+
+ if (test_bit(WMI_SERVICE_NLO, ar->wmi.svc_map)) {
+ ar->hw->wiphy->max_sched_scan_ssids = WMI_PNO_MAX_SUPP_NETWORKS;
+ ar->hw->wiphy->max_match_sets = WMI_PNO_MAX_SUPP_NETWORKS;
+ ar->hw->wiphy->max_sched_scan_ie_len = WMI_PNO_MAX_IE_LENGTH;
+ ar->hw->wiphy->max_sched_scan_plans = WMI_PNO_MAX_SCHED_SCAN_PLANS;
+ ar->hw->wiphy->max_sched_scan_plan_interval =
+ WMI_PNO_MAX_SCHED_SCAN_PLAN_INT;
+ ar->hw->wiphy->max_sched_scan_plan_iterations =
+ WMI_PNO_MAX_SCHED_SCAN_PLAN_ITRNS;
+ }
+
+ ar->hw->vif_data_size = sizeof(struct ath10k_vif);
+ ar->hw->sta_data_size = sizeof(struct ath10k_sta);
+ ar->hw->txq_data_size = sizeof(struct ath10k_txq);
+
+ ar->hw->max_listen_interval = ATH10K_MAX_HW_LISTEN_INTERVAL;
+
+ if (test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) {
+ ar->hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
+
+ /* Firmware delivers WPS/P2P Probe Requests frames to driver so
+ * that userspace (e.g. wpa_supplicant/hostapd) can generate
+ * correct Probe Responses. This is more of a hack advert..
+ */
+ ar->hw->wiphy->probe_resp_offload |=
+ NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
+ NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
+ NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
+ }
+
+ if (test_bit(WMI_SERVICE_TDLS, ar->wmi.svc_map) ||
+ test_bit(WMI_SERVICE_TDLS_EXPLICIT_MODE_ONLY, ar->wmi.svc_map)) {
+ ar->hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
+ if (test_bit(WMI_SERVICE_TDLS_WIDER_BANDWIDTH, ar->wmi.svc_map))
+ ieee80211_hw_set(ar->hw, TDLS_WIDER_BW);
+ }
+
+ if (test_bit(WMI_SERVICE_TDLS_UAPSD_BUFFER_STA, ar->wmi.svc_map))
+ ieee80211_hw_set(ar->hw, SUPPORTS_TDLS_BUFFER_STA);
+
+ ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
+ ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
+ ar->hw->wiphy->max_remain_on_channel_duration = 5000;
+
+ ar->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
+ ar->hw->wiphy->features |= NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE |
+ NL80211_FEATURE_AP_SCAN;
+
+ ar->hw->wiphy->max_ap_assoc_sta = ar->max_num_stations;
+
+ ret = ath10k_wow_init(ar);
+ if (ret) {
+ ath10k_warn(ar, "failed to init wow: %d\n", ret);
+ goto err_free;
+ }
+
+ wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
+ wiphy_ext_feature_set(ar->hw->wiphy,
+ NL80211_EXT_FEATURE_SET_SCAN_DWELL);
+
+ if (test_bit(WMI_SERVICE_TX_DATA_ACK_RSSI, ar->wmi.svc_map) ||
+ test_bit(WMI_SERVICE_HTT_MGMT_TX_COMP_VALID_FLAGS, ar->wmi.svc_map))
+ wiphy_ext_feature_set(ar->hw->wiphy,
+ NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT);
+
+ if (ath10k_peer_stats_enabled(ar) ||
+ test_bit(WMI_SERVICE_REPORT_AIRTIME, ar->wmi.svc_map))
+ wiphy_ext_feature_set(ar->hw->wiphy,
+ NL80211_EXT_FEATURE_AIRTIME_FAIRNESS);
+
+ if (test_bit(WMI_SERVICE_RTT_RESPONDER_ROLE, ar->wmi.svc_map))
+ wiphy_ext_feature_set(ar->hw->wiphy,
+ NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER);
+
+ if (test_bit(WMI_SERVICE_TX_PWR_PER_PEER, ar->wmi.svc_map))
+ wiphy_ext_feature_set(ar->hw->wiphy,
+ NL80211_EXT_FEATURE_STA_TX_PWR);
+ /*
+ * on LL hardware queues are managed entirely by the FW
+ * so we only advertise to mac we can do the queues thing
+ */
+ ar->hw->queues = IEEE80211_MAX_QUEUES;
+
+ /* vdev_ids are used as hw queue numbers. Make sure offchan tx queue is
+ * something that vdev_ids can't reach so that we don't stop the queue
+ * accidentally.
+ */
+ ar->hw->offchannel_tx_hw_queue = IEEE80211_MAX_QUEUES - 1;
+
+ switch (ar->running_fw->fw_file.wmi_op_version) {
+ case ATH10K_FW_WMI_OP_VERSION_MAIN:
+ ar->hw->wiphy->iface_combinations = ath10k_if_comb;
+ ar->hw->wiphy->n_iface_combinations =
+ ARRAY_SIZE(ath10k_if_comb);
+ ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
+ break;
+ case ATH10K_FW_WMI_OP_VERSION_TLV:
+ if (test_bit(WMI_SERVICE_ADAPTIVE_OCS, ar->wmi.svc_map)) {
+ ar->hw->wiphy->iface_combinations =
+ ath10k_tlv_qcs_if_comb;
+ ar->hw->wiphy->n_iface_combinations =
+ ARRAY_SIZE(ath10k_tlv_qcs_if_comb);
+ } else {
+ ar->hw->wiphy->iface_combinations = ath10k_tlv_if_comb;
+ ar->hw->wiphy->n_iface_combinations =
+ ARRAY_SIZE(ath10k_tlv_if_comb);
+ }
+ ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
+ break;
+ case ATH10K_FW_WMI_OP_VERSION_10_1:
+ case ATH10K_FW_WMI_OP_VERSION_10_2:
+ case ATH10K_FW_WMI_OP_VERSION_10_2_4:
+ ar->hw->wiphy->iface_combinations = ath10k_10x_if_comb;
+ ar->hw->wiphy->n_iface_combinations =
+ ARRAY_SIZE(ath10k_10x_if_comb);
+ break;
+ case ATH10K_FW_WMI_OP_VERSION_10_4:
+ ar->hw->wiphy->iface_combinations = ath10k_10_4_if_comb;
+ ar->hw->wiphy->n_iface_combinations =
+ ARRAY_SIZE(ath10k_10_4_if_comb);
+ if (test_bit(WMI_SERVICE_VDEV_DIFFERENT_BEACON_INTERVAL_SUPPORT,
+ ar->wmi.svc_map)) {
+ ar->hw->wiphy->iface_combinations =
+ ath10k_10_4_bcn_int_if_comb;
+ ar->hw->wiphy->n_iface_combinations =
+ ARRAY_SIZE(ath10k_10_4_bcn_int_if_comb);
+ }
+ break;
+ case ATH10K_FW_WMI_OP_VERSION_UNSET:
+ case ATH10K_FW_WMI_OP_VERSION_MAX:
+ WARN_ON(1);
+ ret = -EINVAL;
+ goto err_free;
+ }
+
+ if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags))
+ ar->hw->netdev_features = NETIF_F_HW_CSUM;
+
+ if (IS_ENABLED(CONFIG_ATH10K_DFS_CERTIFIED)) {
+ /* Init ath dfs pattern detector */
+ ar->ath_common.debug_mask = ATH_DBG_DFS;
+ ar->dfs_detector = dfs_pattern_detector_init(&ar->ath_common,
+ NL80211_DFS_UNSET);
+
+ if (!ar->dfs_detector)
+ ath10k_warn(ar, "failed to initialise DFS pattern detector\n");
+ }
+
+ ret = ath10k_mac_init_rd(ar);
+ if (ret) {
+ ath10k_err(ar, "failed to derive regdom: %d\n", ret);
+ goto err_dfs_detector_exit;
+ }
+
+ /* Disable set_coverage_class for chipsets that do not support it. */
+ if (!ar->hw_params.hw_ops->set_coverage_class)
+ ar->ops->set_coverage_class = NULL;
+
+ ret = ath_regd_init(&ar->ath_common.regulatory, ar->hw->wiphy,
+ ath10k_reg_notifier);
+ if (ret) {
+ ath10k_err(ar, "failed to initialise regulatory: %i\n", ret);
+ goto err_dfs_detector_exit;
+ }
+
+ if (test_bit(WMI_SERVICE_SPOOF_MAC_SUPPORT, ar->wmi.svc_map)) {
+ ar->hw->wiphy->features |=
+ NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
+ }
+
+ ar->hw->wiphy->cipher_suites = cipher_suites;
+
+ /* QCA988x and QCA6174 family chips do not support CCMP-256, GCMP-128
+ * and GCMP-256 ciphers in hardware. Fetch number of ciphers supported
+ * from chip specific hw_param table.
+ */
+ if (!ar->hw_params.n_cipher_suites ||
+ ar->hw_params.n_cipher_suites > ARRAY_SIZE(cipher_suites)) {
+ ath10k_err(ar, "invalid hw_params.n_cipher_suites %d\n",
+ ar->hw_params.n_cipher_suites);
+ ar->hw_params.n_cipher_suites = 8;
+ }
+ ar->hw->wiphy->n_cipher_suites = ar->hw_params.n_cipher_suites;
+
+ wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST);
+
+ ar->hw->weight_multiplier = ATH10K_AIRTIME_WEIGHT_MULTIPLIER;
+
+ ret = ieee80211_register_hw(ar->hw);
+ if (ret) {
+ ath10k_err(ar, "failed to register ieee80211: %d\n", ret);
+ goto err_dfs_detector_exit;
+ }
+
+ if (test_bit(WMI_SERVICE_PER_PACKET_SW_ENCRYPT, ar->wmi.svc_map)) {
+ ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP_VLAN);
+ ar->hw->wiphy->software_iftypes |= BIT(NL80211_IFTYPE_AP_VLAN);
+ }
+
+ if (!ath_is_world_regd(&ar->ath_common.regulatory)) {
+ ret = regulatory_hint(ar->hw->wiphy,
+ ar->ath_common.regulatory.alpha2);
+ if (ret)
+ goto err_unregister;
+ }
+
+ return 0;
+
+err_unregister:
+ ieee80211_unregister_hw(ar->hw);
+
+err_dfs_detector_exit:
+ if (IS_ENABLED(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector)
+ ar->dfs_detector->exit(ar->dfs_detector);
+
+err_free:
+ kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels);
+ kfree(ar->mac.sbands[NL80211_BAND_5GHZ].channels);
+
+ SET_IEEE80211_DEV(ar->hw, NULL);
+ return ret;
+}
+
+void ath10k_mac_unregister(struct ath10k *ar)
+{
+ ieee80211_unregister_hw(ar->hw);
+
+ if (IS_ENABLED(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector)
+ ar->dfs_detector->exit(ar->dfs_detector);
+
+ kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels);
+ kfree(ar->mac.sbands[NL80211_BAND_5GHZ].channels);
+
+ SET_IEEE80211_DEV(ar->hw, NULL);
+}