[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/net/wireless/nl80211.c b/ap/os/linux/linux-3.4.x/net/wireless/nl80211.c
new file mode 100755
index 0000000..42ebb4a
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/net/wireless/nl80211.c
@@ -0,0 +1,8388 @@
+/*
+ * This is the new netlink-based wireless configuration interface.
+ *
+ * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
+ */
+
+#include <linux/if.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/slab.h>
+#include <linux/list.h>
+#include <linux/if_ether.h>
+#include <linux/ieee80211.h>
+#include <linux/nl80211.h>
+#include <linux/rtnetlink.h>
+#include <linux/netlink.h>
+#include <linux/etherdevice.h>
+#include <net/net_namespace.h>
+#include <net/genetlink.h>
+#include <net/cfg80211.h>
+#include <net/sock.h>
+#include "core.h"
+#include "nl80211.h"
+#include "reg.h"
+
+static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type);
+static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
+ struct genl_info *info,
+ struct cfg80211_crypto_settings *settings,
+ int cipher_limit);
+
+static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
+ struct genl_info *info);
+static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb,
+ struct genl_info *info);
+
+/* the netlink family */
+static struct genl_family nl80211_fam = {
+ .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */
+ .name = "nl80211", /* have users key off the name instead */
+ .hdrsize = 0, /* no private header */
+ .version = 1, /* no particular meaning now */
+ .maxattr = NL80211_ATTR_MAX,
+ .netnsok = true,
+ .pre_doit = nl80211_pre_doit,
+ .post_doit = nl80211_post_doit,
+};
+
+/* internal helper: get rdev and dev */
+static int get_rdev_dev_by_ifindex(struct net *netns, struct nlattr **attrs,
+ struct cfg80211_registered_device **rdev,
+ struct net_device **dev)
+{
+ int ifindex;
+
+ if (!attrs[NL80211_ATTR_IFINDEX])
+ return -EINVAL;
+
+ ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
+ *dev = dev_get_by_index(netns, ifindex);
+ if (!*dev)
+ return -ENODEV;
+
+ *rdev = cfg80211_get_dev_from_ifindex(netns, ifindex);
+ if (IS_ERR(*rdev)) {
+ dev_put(*dev);
+ return PTR_ERR(*rdev);
+ }
+
+ return 0;
+}
+
+/* policy for the attributes */
+static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
+ [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
+ [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
+ .len = 20-1 },
+ [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
+ [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
+ [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
+ [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 },
+ [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 },
+ [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
+ [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
+ [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
+
+ [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 },
+ [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
+ [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
+
+ [NL80211_ATTR_MAC] = { .len = ETH_ALEN },
+ [NL80211_ATTR_PREV_BSSID] = { .len = ETH_ALEN },
+
+ [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
+ [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
+ .len = WLAN_MAX_KEY_LEN },
+ [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 },
+ [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
+ [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
+ [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
+ [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 },
+
+ [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
+ [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
+ [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY,
+ .len = IEEE80211_MAX_DATA_LEN },
+ [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY,
+ .len = IEEE80211_MAX_DATA_LEN },
+ [NL80211_ATTR_STA_AID] = { .type = NLA_U16 },
+ [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
+ [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
+ [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
+ .len = NL80211_MAX_SUPP_RATES },
+ [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 },
+ [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
+ [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
+ [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
+ .len = IEEE80211_MAX_MESH_ID_LEN },
+ [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 },
+
+ [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
+ [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
+
+ [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
+ [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
+ [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
+ [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
+ .len = NL80211_MAX_SUPP_RATES },
+ [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
+
+ [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
+ [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
+
+ [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN },
+
+ [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
+ [NL80211_ATTR_IE] = { .type = NLA_BINARY,
+ .len = IEEE80211_MAX_DATA_LEN },
+ [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
+ [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
+
+ [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
+ .len = IEEE80211_MAX_SSID_LEN },
+ [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
+ [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
+ [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
+ [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
+ [NL80211_ATTR_USE_MFP] = { .type = NLA_U32 },
+ [NL80211_ATTR_STA_FLAGS2] = {
+ .len = sizeof(struct nl80211_sta_flag_update),
+ },
+ [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
+ [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
+ [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
+ [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
+ [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
+ [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
+ [NL80211_ATTR_PID] = { .type = NLA_U32 },
+ [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
+ [NL80211_ATTR_PMKID] = { .type = NLA_BINARY,
+ .len = WLAN_PMKID_LEN },
+ [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
+ [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
+ [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
+ [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
+ .len = IEEE80211_MAX_DATA_LEN },
+ [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
+ [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 },
+ [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
+ [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
+ [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
+ [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
+ [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
+ [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
+ [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
+ [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
+ [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
+ [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
+ [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
+ [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
+ [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 },
+ [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
+ [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
+ [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
+ [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 },
+ [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY,
+ .len = IEEE80211_MAX_DATA_LEN },
+ [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY,
+ .len = IEEE80211_MAX_DATA_LEN },
+ [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
+ [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
+ [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
+ [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
+ [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
+ [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
+ [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
+ [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
+ [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
+ [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
+ .len = IEEE80211_MAX_DATA_LEN },
+ [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
+ [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
+ [NL80211_ATTR_HT_CAPABILITY_MASK] = {
+ .len = NL80211_HT_CAPABILITY_LEN
+ },
+ [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
+ [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
+ [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
+#if defined(CONFIG_AIC8800)
+ #if 0
+ [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
+ [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
+ [NL80211_ATTR_AUTH_DATA] = { .type = NLA_BINARY, },
+ [NL80211_ATTR_VHT_CAPABILITY] = {
+ .type = NLA_EXACT_LEN_WARN,
+ .len = NL80211_VHT_CAPABILITY_LEN
+ },
+ [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
+ [NL80211_ATTR_P2P_CTWINDOW] = NLA_POLICY_MAX(NLA_U8, 127),
+ [NL80211_ATTR_P2P_OPPPS] = NLA_POLICY_MAX(NLA_U8, 1),
+ [NL80211_ATTR_LOCAL_MESH_POWER_MODE] =
+ NLA_POLICY_RANGE(NLA_U32,
+ NL80211_MESH_POWER_UNKNOWN + 1,
+ NL80211_MESH_POWER_MAX),
+ [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
+ [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
+ [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
+ [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
+ [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
+ [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
+ [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
+ .len = NL80211_VHT_CAPABILITY_LEN,
+ },
+ [NL80211_ATTR_MDID] = { .type = NLA_U16 },
+ [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
+ .len = IEEE80211_MAX_DATA_LEN },
+ [NL80211_ATTR_CRIT_PROT_ID] = { .type = NLA_U16 },
+ [NL80211_ATTR_MAX_CRIT_PROT_DURATION] = { .type = NLA_U16 },
+ [NL80211_ATTR_PEER_AID] =
+ NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
+ [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
+ [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
+ [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
+ [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_BINARY },
+ [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_BINARY },
+ [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY },
+ [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY },
+ [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
+ [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
+ [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
+ [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
+ [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
+ [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY,
+ .len = IEEE80211_QOS_MAP_LEN_MAX },
+ [NL80211_ATTR_MAC_HINT] = {
+ .type = NLA_EXACT_LEN_WARN,
+ .len = ETH_ALEN
+ },
+ [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
+ [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
+ [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
+ [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
+ [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
+ [NL80211_ATTR_TSID] = NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_TIDS - 1),
+ [NL80211_ATTR_USER_PRIO] =
+ NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_UPS - 1),
+ [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
+ [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
+ [NL80211_ATTR_OPER_CLASS] = { .type = NLA_U8 },
+ [NL80211_ATTR_MAC_MASK] = {
+ .type = NLA_EXACT_LEN_WARN,
+ .len = ETH_ALEN
+ },
+ [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
+ [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
+ [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
+ [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
+ [NL80211_ATTR_PBSS] = { .type = NLA_FLAG },
+ [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED },
+ [NL80211_ATTR_STA_SUPPORT_P2P_PS] =
+ NLA_POLICY_MAX(NLA_U8, NUM_NL80211_P2P_PS_STATUS - 1),
+ [NL80211_ATTR_MU_MIMO_GROUP_DATA] = {
+ .len = VHT_MUMIMO_GROUPS_DATA_LEN
+ },
+ [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = {
+ .type = NLA_EXACT_LEN_WARN,
+ .len = ETH_ALEN
+ },
+ [NL80211_ATTR_NAN_MASTER_PREF] = NLA_POLICY_MIN(NLA_U8, 1),
+ [NL80211_ATTR_BANDS] = { .type = NLA_U32 },
+ [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED },
+ [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY,
+ .len = FILS_MAX_KEK_LEN },
+ [NL80211_ATTR_FILS_NONCES] = {
+ .type = NLA_EXACT_LEN_WARN,
+ .len = 2 * FILS_NONCE_LEN
+ },
+ [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, },
+ [NL80211_ATTR_BSSID] = { .type = NLA_EXACT_LEN_WARN, .len = ETH_ALEN },
+ [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 },
+ [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = {
+ .len = sizeof(struct nl80211_bss_select_rssi_adjust)
+ },
+ [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 },
+ [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY,
+ .len = FILS_ERP_MAX_USERNAME_LEN },
+ [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY,
+ .len = FILS_ERP_MAX_REALM_LEN },
+ [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 },
+ [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY,
+ .len = FILS_ERP_MAX_RRK_LEN },
+ [NL80211_ATTR_FILS_CACHE_ID] = { .type = NLA_EXACT_LEN_WARN, .len = 2 },
+ [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN },
+ [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG },
+ #endif
+ [NL80211_ATTR_EXTERNAL_AUTH_SUPPORT] = { .type = NLA_FLAG },
+#endif
+};
+
+/* policy for the key attributes */
+static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
+ [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
+ [NL80211_KEY_IDX] = { .type = NLA_U8 },
+ [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
+ [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
+ [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
+ [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
+ [NL80211_KEY_TYPE] = { .type = NLA_U32 },
+ [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
+};
+
+/* policy for the key default flags */
+static const struct nla_policy
+nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
+ [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
+ [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
+};
+
+/* policy for WoWLAN attributes */
+static const struct nla_policy
+nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
+ [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
+ [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
+ [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
+ [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
+ [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
+ [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
+ [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
+ [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
+};
+
+/* policy for GTK rekey offload attributes */
+static const struct nla_policy
+nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
+ [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN },
+ [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN },
+ [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN },
+};
+
+static const struct nla_policy
+nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
+ [NL80211_ATTR_SCHED_SCAN_MATCH_SSID] = { .type = NLA_BINARY,
+ .len = IEEE80211_MAX_SSID_LEN },
+};
+
+/* ifidx get helper */
+static int nl80211_get_ifidx(struct netlink_callback *cb)
+{
+ int res;
+
+ res = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
+ nl80211_fam.attrbuf, nl80211_fam.maxattr,
+ nl80211_policy);
+ if (res)
+ return res;
+
+ if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX])
+ return -EINVAL;
+
+ res = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]);
+ if (!res)
+ return -EINVAL;
+ return res;
+}
+
+static int nl80211_prepare_netdev_dump(struct sk_buff *skb,
+ struct netlink_callback *cb,
+ struct cfg80211_registered_device **rdev,
+ struct net_device **dev)
+{
+ int ifidx = cb->args[0];
+ int err;
+
+ if (!ifidx)
+ ifidx = nl80211_get_ifidx(cb);
+ if (ifidx < 0)
+ return ifidx;
+
+ cb->args[0] = ifidx;
+
+ rtnl_lock();
+
+ *dev = __dev_get_by_index(sock_net(skb->sk), ifidx);
+ if (!*dev) {
+ err = -ENODEV;
+ goto out_rtnl;
+ }
+
+ *rdev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx);
+ if (IS_ERR(*rdev)) {
+ err = PTR_ERR(*rdev);
+ goto out_rtnl;
+ }
+
+ return 0;
+ out_rtnl:
+ rtnl_unlock();
+ return err;
+}
+
+static void nl80211_finish_netdev_dump(struct cfg80211_registered_device *rdev)
+{
+ cfg80211_unlock_rdev(rdev);
+ rtnl_unlock();
+}
+
+/* IE validation */
+static bool is_valid_ie_attr(const struct nlattr *attr)
+{
+ const u8 *pos;
+ int len;
+
+ if (!attr)
+ return true;
+
+ pos = nla_data(attr);
+ len = nla_len(attr);
+
+ while (len) {
+ u8 elemlen;
+
+ if (len < 2)
+ return false;
+ len -= 2;
+
+ elemlen = pos[1];
+ if (elemlen > len)
+ return false;
+
+ len -= elemlen;
+ pos += 2 + elemlen;
+ }
+
+ return true;
+}
+
+/* message building helper */
+static inline void *nl80211hdr_put(struct sk_buff *skb, u32 pid, u32 seq,
+ int flags, u8 cmd)
+{
+ /* since there is no private header just add the generic one */
+ return genlmsg_put(skb, pid, seq, &nl80211_fam, flags, cmd);
+}
+
+static int nl80211_msg_put_channel(struct sk_buff *msg,
+ struct ieee80211_channel *chan)
+{
+ NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_FREQ,
+ chan->center_freq);
+
+ if (chan->flags & IEEE80211_CHAN_DISABLED)
+ NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_DISABLED);
+ if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN)
+ NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN);
+ if (chan->flags & IEEE80211_CHAN_NO_IBSS)
+ NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_NO_IBSS);
+ if (chan->flags & IEEE80211_CHAN_RADAR)
+ NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_RADAR);
+
+ NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
+ DBM_TO_MBM(chan->max_power));
+
+ return 0;
+
+ nla_put_failure:
+ return -ENOBUFS;
+}
+
+/* netlink command implementations */
+
+struct key_parse {
+ struct key_params p;
+ int idx;
+ int type;
+ bool def, defmgmt;
+ bool def_uni, def_multi;
+};
+
+static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k)
+{
+ struct nlattr *tb[NL80211_KEY_MAX + 1];
+ int err = nla_parse_nested(tb, NL80211_KEY_MAX, key,
+ nl80211_key_policy);
+ if (err)
+ return err;
+
+ k->def = !!tb[NL80211_KEY_DEFAULT];
+ k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
+
+ if (k->def) {
+ k->def_uni = true;
+ k->def_multi = true;
+ }
+ if (k->defmgmt)
+ k->def_multi = true;
+
+ if (tb[NL80211_KEY_IDX])
+ k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
+
+ if (tb[NL80211_KEY_DATA]) {
+ k->p.key = nla_data(tb[NL80211_KEY_DATA]);
+ k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
+ }
+
+ if (tb[NL80211_KEY_SEQ]) {
+ k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
+ k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
+ }
+
+ if (tb[NL80211_KEY_CIPHER])
+ k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
+
+ if (tb[NL80211_KEY_TYPE]) {
+ k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
+ if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES)
+ return -EINVAL;
+ }
+
+ if (tb[NL80211_KEY_DEFAULT_TYPES]) {
+ struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
+ err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1,
+ tb[NL80211_KEY_DEFAULT_TYPES],
+ nl80211_key_default_policy);
+ if (err)
+ return err;
+
+ k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
+ k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
+ }
+
+ return 0;
+}
+
+static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
+{
+ if (info->attrs[NL80211_ATTR_KEY_DATA]) {
+ k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
+ k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
+ }
+
+ if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
+ k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
+ k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
+ }
+
+ if (info->attrs[NL80211_ATTR_KEY_IDX])
+ k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
+
+ if (info->attrs[NL80211_ATTR_KEY_CIPHER])
+ k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
+
+ k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
+ k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
+
+ if (k->def) {
+ k->def_uni = true;
+ k->def_multi = true;
+ }
+ if (k->defmgmt)
+ k->def_multi = true;
+
+ if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
+ k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
+ if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES)
+ return -EINVAL;
+ }
+
+ if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
+ struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
+ int err = nla_parse_nested(
+ kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1,
+ info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
+ nl80211_key_default_policy);
+ if (err)
+ return err;
+
+ k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
+ k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
+ }
+
+ return 0;
+}
+
+static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
+{
+ int err;
+
+ memset(k, 0, sizeof(*k));
+ k->idx = -1;
+ k->type = -1;
+
+ if (info->attrs[NL80211_ATTR_KEY])
+ err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k);
+ else
+ err = nl80211_parse_key_old(info, k);
+
+ if (err)
+ return err;
+
+ if (k->def && k->defmgmt)
+ return -EINVAL;
+
+ if (k->defmgmt) {
+ if (k->def_uni || !k->def_multi)
+ return -EINVAL;
+ }
+
+ if (k->idx != -1) {
+ if (k->defmgmt) {
+ if (k->idx < 4 || k->idx > 5)
+ return -EINVAL;
+ } else if (k->def) {
+ if (k->idx < 0 || k->idx > 3)
+ return -EINVAL;
+ } else {
+ if (k->idx < 0 || k->idx > 5)
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+static struct cfg80211_cached_keys *
+nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
+ struct nlattr *keys)
+{
+ struct key_parse parse;
+ struct nlattr *key;
+ struct cfg80211_cached_keys *result;
+ int rem, err, def = 0;
+
+ result = kzalloc(sizeof(*result), GFP_KERNEL);
+ if (!result)
+ return ERR_PTR(-ENOMEM);
+
+ result->def = -1;
+ result->defmgmt = -1;
+
+ nla_for_each_nested(key, keys, rem) {
+ memset(&parse, 0, sizeof(parse));
+ parse.idx = -1;
+
+ err = nl80211_parse_key_new(key, &parse);
+ if (err)
+ goto error;
+ err = -EINVAL;
+ if (!parse.p.key)
+ goto error;
+ if (parse.idx < 0 || parse.idx > 4)
+ goto error;
+ if (parse.def) {
+ if (def)
+ goto error;
+ def = 1;
+ result->def = parse.idx;
+ if (!parse.def_uni || !parse.def_multi)
+ goto error;
+ } else if (parse.defmgmt)
+ goto error;
+ err = cfg80211_validate_key_settings(rdev, &parse.p,
+ parse.idx, false, NULL);
+ if (err)
+ goto error;
+ result->params[parse.idx].cipher = parse.p.cipher;
+ result->params[parse.idx].key_len = parse.p.key_len;
+ result->params[parse.idx].key = result->data[parse.idx];
+ memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
+ }
+
+ return result;
+ error:
+ kfree(result);
+ return ERR_PTR(err);
+}
+
+static int nl80211_key_allowed(struct wireless_dev *wdev)
+{
+ ASSERT_WDEV_LOCK(wdev);
+
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_AP_VLAN:
+ case NL80211_IFTYPE_P2P_GO:
+ case NL80211_IFTYPE_MESH_POINT:
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ if (!wdev->current_bss)
+ return -ENOLINK;
+ break;
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_P2P_CLIENT:
+ if (wdev->sme_state != CFG80211_SME_CONNECTED)
+ return -ENOLINK;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
+{
+ struct nlattr *nl_modes = nla_nest_start(msg, attr);
+ int i;
+
+ if (!nl_modes)
+ goto nla_put_failure;
+
+ i = 0;
+ while (ifmodes) {
+ if (ifmodes & 1)
+ NLA_PUT_FLAG(msg, i);
+ ifmodes >>= 1;
+ i++;
+ }
+
+ nla_nest_end(msg, nl_modes);
+ return 0;
+
+nla_put_failure:
+ return -ENOBUFS;
+}
+
+static int nl80211_put_iface_combinations(struct wiphy *wiphy,
+ struct sk_buff *msg)
+{
+ struct nlattr *nl_combis;
+ int i, j;
+
+ nl_combis = nla_nest_start(msg,
+ NL80211_ATTR_INTERFACE_COMBINATIONS);
+ if (!nl_combis)
+ goto nla_put_failure;
+
+ for (i = 0; i < wiphy->n_iface_combinations; i++) {
+ const struct ieee80211_iface_combination *c;
+ struct nlattr *nl_combi, *nl_limits;
+
+ c = &wiphy->iface_combinations[i];
+
+ nl_combi = nla_nest_start(msg, i + 1);
+ if (!nl_combi)
+ goto nla_put_failure;
+
+ nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS);
+ if (!nl_limits)
+ goto nla_put_failure;
+
+ for (j = 0; j < c->n_limits; j++) {
+ struct nlattr *nl_limit;
+
+ nl_limit = nla_nest_start(msg, j + 1);
+ if (!nl_limit)
+ goto nla_put_failure;
+ NLA_PUT_U32(msg, NL80211_IFACE_LIMIT_MAX,
+ c->limits[j].max);
+ if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
+ c->limits[j].types))
+ goto nla_put_failure;
+ nla_nest_end(msg, nl_limit);
+ }
+
+ nla_nest_end(msg, nl_limits);
+
+ if (c->beacon_int_infra_match)
+ NLA_PUT_FLAG(msg,
+ NL80211_IFACE_COMB_STA_AP_BI_MATCH);
+ NLA_PUT_U32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
+ c->num_different_channels);
+ NLA_PUT_U32(msg, NL80211_IFACE_COMB_MAXNUM,
+ c->max_interfaces);
+
+ nla_nest_end(msg, nl_combi);
+ }
+
+ nla_nest_end(msg, nl_combis);
+
+ return 0;
+nla_put_failure:
+ return -ENOBUFS;
+}
+
+static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
+ struct cfg80211_registered_device *dev)
+{
+ void *hdr;
+ struct nlattr *nl_bands, *nl_band;
+ struct nlattr *nl_freqs, *nl_freq;
+ struct nlattr *nl_rates, *nl_rate;
+ struct nlattr *nl_cmds;
+ enum ieee80211_band band;
+ struct ieee80211_channel *chan;
+ struct ieee80211_rate *rate;
+ int i;
+ const struct ieee80211_txrx_stypes *mgmt_stypes =
+ dev->wiphy.mgmt_stypes;
+
+ hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_WIPHY);
+ if (!hdr)
+ return -1;
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, dev->wiphy_idx);
+ NLA_PUT_STRING(msg, NL80211_ATTR_WIPHY_NAME, wiphy_name(&dev->wiphy));
+
+ NLA_PUT_U32(msg, NL80211_ATTR_GENERATION,
+ cfg80211_rdev_list_generation);
+
+ NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
+ dev->wiphy.retry_short);
+ NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
+ dev->wiphy.retry_long);
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
+ dev->wiphy.frag_threshold);
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
+ dev->wiphy.rts_threshold);
+ NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
+ dev->wiphy.coverage_class);
+ NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
+ dev->wiphy.max_scan_ssids);
+ NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
+ dev->wiphy.max_sched_scan_ssids);
+ NLA_PUT_U16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
+ dev->wiphy.max_scan_ie_len);
+ NLA_PUT_U16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
+ dev->wiphy.max_sched_scan_ie_len);
+ NLA_PUT_U8(msg, NL80211_ATTR_MAX_MATCH_SETS,
+ dev->wiphy.max_match_sets);
+
+ if (dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)
+ NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_IBSS_RSN);
+ if (dev->wiphy.flags & WIPHY_FLAG_MESH_AUTH)
+ NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_MESH_AUTH);
+ if (dev->wiphy.flags & WIPHY_FLAG_AP_UAPSD)
+ NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_AP_UAPSD);
+ if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)
+ NLA_PUT_FLAG(msg, NL80211_ATTR_ROAM_SUPPORT);
+ if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)
+ NLA_PUT_FLAG(msg, NL80211_ATTR_TDLS_SUPPORT);
+ if (dev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)
+ NLA_PUT_FLAG(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP);
+
+ NLA_PUT(msg, NL80211_ATTR_CIPHER_SUITES,
+ sizeof(u32) * dev->wiphy.n_cipher_suites,
+ dev->wiphy.cipher_suites);
+
+ NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
+ dev->wiphy.max_num_pmkids);
+
+ if (dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL)
+ NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE);
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
+ dev->wiphy.available_antennas_tx);
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
+ dev->wiphy.available_antennas_rx);
+
+ if (dev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD)
+ NLA_PUT_U32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
+ dev->wiphy.probe_resp_offload);
+
+ if ((dev->wiphy.available_antennas_tx ||
+ dev->wiphy.available_antennas_rx) && dev->ops->get_antenna) {
+ u32 tx_ant = 0, rx_ant = 0;
+ int res;
+ res = dev->ops->get_antenna(&dev->wiphy, &tx_ant, &rx_ant);
+ if (!res) {
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_TX, tx_ant);
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_RX, rx_ant);
+ }
+ }
+
+ if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
+ dev->wiphy.interface_modes))
+ goto nla_put_failure;
+
+ nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS);
+ if (!nl_bands)
+ goto nla_put_failure;
+
+ for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
+ if (!dev->wiphy.bands[band])
+ continue;
+
+ nl_band = nla_nest_start(msg, band);
+ if (!nl_band)
+ goto nla_put_failure;
+
+ /* add HT info */
+ if (dev->wiphy.bands[band]->ht_cap.ht_supported) {
+ NLA_PUT(msg, NL80211_BAND_ATTR_HT_MCS_SET,
+ sizeof(dev->wiphy.bands[band]->ht_cap.mcs),
+ &dev->wiphy.bands[band]->ht_cap.mcs);
+ NLA_PUT_U16(msg, NL80211_BAND_ATTR_HT_CAPA,
+ dev->wiphy.bands[band]->ht_cap.cap);
+ NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
+ dev->wiphy.bands[band]->ht_cap.ampdu_factor);
+ NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
+ dev->wiphy.bands[band]->ht_cap.ampdu_density);
+ }
+
+ /* add frequencies */
+ nl_freqs = nla_nest_start(msg, NL80211_BAND_ATTR_FREQS);
+ if (!nl_freqs)
+ goto nla_put_failure;
+
+ for (i = 0; i < dev->wiphy.bands[band]->n_channels; i++) {
+ nl_freq = nla_nest_start(msg, i);
+ if (!nl_freq)
+ goto nla_put_failure;
+
+ chan = &dev->wiphy.bands[band]->channels[i];
+
+ if (nl80211_msg_put_channel(msg, chan))
+ goto nla_put_failure;
+
+ nla_nest_end(msg, nl_freq);
+ }
+
+ nla_nest_end(msg, nl_freqs);
+
+ /* add bitrates */
+ nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES);
+ if (!nl_rates)
+ goto nla_put_failure;
+
+ for (i = 0; i < dev->wiphy.bands[band]->n_bitrates; i++) {
+ nl_rate = nla_nest_start(msg, i);
+ if (!nl_rate)
+ goto nla_put_failure;
+
+ rate = &dev->wiphy.bands[band]->bitrates[i];
+ NLA_PUT_U32(msg, NL80211_BITRATE_ATTR_RATE,
+ rate->bitrate);
+ if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE)
+ NLA_PUT_FLAG(msg,
+ NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE);
+
+ nla_nest_end(msg, nl_rate);
+ }
+
+ nla_nest_end(msg, nl_rates);
+
+ nla_nest_end(msg, nl_band);
+ }
+ nla_nest_end(msg, nl_bands);
+
+ nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS);
+ if (!nl_cmds)
+ goto nla_put_failure;
+
+ i = 0;
+#define CMD(op, n) \
+ do { \
+ if (dev->ops->op) { \
+ i++; \
+ NLA_PUT_U32(msg, i, NL80211_CMD_ ## n); \
+ } \
+ } while (0)
+
+ CMD(add_virtual_intf, NEW_INTERFACE);
+ CMD(change_virtual_intf, SET_INTERFACE);
+ CMD(add_key, NEW_KEY);
+ CMD(start_ap, START_AP);
+ CMD(add_station, NEW_STATION);
+ CMD(add_mpath, NEW_MPATH);
+ CMD(update_mesh_config, SET_MESH_CONFIG);
+ CMD(change_bss, SET_BSS);
+ CMD(auth, AUTHENTICATE);
+ CMD(assoc, ASSOCIATE);
+ CMD(deauth, DEAUTHENTICATE);
+ CMD(disassoc, DISASSOCIATE);
+ CMD(join_ibss, JOIN_IBSS);
+ CMD(join_mesh, JOIN_MESH);
+ CMD(set_pmksa, SET_PMKSA);
+ CMD(del_pmksa, DEL_PMKSA);
+ CMD(flush_pmksa, FLUSH_PMKSA);
+ if (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
+ CMD(remain_on_channel, REMAIN_ON_CHANNEL);
+ CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
+ CMD(mgmt_tx, FRAME);
+ CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
+ if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
+ i++;
+ NLA_PUT_U32(msg, i, NL80211_CMD_SET_WIPHY_NETNS);
+ }
+ CMD(set_channel, SET_CHANNEL);
+ CMD(set_wds_peer, SET_WDS_PEER);
+ if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
+ CMD(tdls_mgmt, TDLS_MGMT);
+ CMD(tdls_oper, TDLS_OPER);
+ }
+ if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN)
+ CMD(sched_scan_start, START_SCHED_SCAN);
+ CMD(probe_client, PROBE_CLIENT);
+ CMD(set_noack_map, SET_NOACK_MAP);
+ if (dev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
+ i++;
+ NLA_PUT_U32(msg, i, NL80211_CMD_REGISTER_BEACONS);
+ }
+
+#ifdef CONFIG_NL80211_TESTMODE
+ CMD(testmode_cmd, TESTMODE);
+#endif
+
+#undef CMD
+
+ if (dev->ops->connect || dev->ops->auth) {
+ i++;
+ NLA_PUT_U32(msg, i, NL80211_CMD_CONNECT);
+ }
+
+ if (dev->ops->disconnect || dev->ops->deauth) {
+ i++;
+ NLA_PUT_U32(msg, i, NL80211_CMD_DISCONNECT);
+ }
+
+ nla_nest_end(msg, nl_cmds);
+
+ if (dev->ops->remain_on_channel &&
+ dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
+ NLA_PUT_U32(msg, NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
+ dev->wiphy.max_remain_on_channel_duration);
+
+ if (dev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)
+ NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK);
+
+ if (mgmt_stypes) {
+ u16 stypes;
+ struct nlattr *nl_ftypes, *nl_ifs;
+ enum nl80211_iftype ift;
+
+ nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES);
+ if (!nl_ifs)
+ goto nla_put_failure;
+
+ for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
+ nl_ftypes = nla_nest_start(msg, ift);
+ if (!nl_ftypes)
+ goto nla_put_failure;
+ i = 0;
+ stypes = mgmt_stypes[ift].tx;
+ while (stypes) {
+ if (stypes & 1)
+ NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE,
+ (i << 4) | IEEE80211_FTYPE_MGMT);
+ stypes >>= 1;
+ i++;
+ }
+ nla_nest_end(msg, nl_ftypes);
+ }
+
+ nla_nest_end(msg, nl_ifs);
+
+ nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES);
+ if (!nl_ifs)
+ goto nla_put_failure;
+
+ for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
+ nl_ftypes = nla_nest_start(msg, ift);
+ if (!nl_ftypes)
+ goto nla_put_failure;
+ i = 0;
+ stypes = mgmt_stypes[ift].rx;
+ while (stypes) {
+ if (stypes & 1)
+ NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE,
+ (i << 4) | IEEE80211_FTYPE_MGMT);
+ stypes >>= 1;
+ i++;
+ }
+ nla_nest_end(msg, nl_ftypes);
+ }
+ nla_nest_end(msg, nl_ifs);
+ }
+
+ if (dev->wiphy.wowlan.flags || dev->wiphy.wowlan.n_patterns) {
+ struct nlattr *nl_wowlan;
+
+ nl_wowlan = nla_nest_start(msg,
+ NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
+ if (!nl_wowlan)
+ goto nla_put_failure;
+
+ if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_ANY)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_ANY);
+ if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_DISCONNECT)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT);
+ if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_MAGIC_PKT)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT);
+ if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED);
+ if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE);
+ if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST);
+ if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE);
+ if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_RFKILL_RELEASE)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE);
+ if (dev->wiphy.wowlan.n_patterns) {
+ struct nl80211_wowlan_pattern_support pat = {
+ .max_patterns = dev->wiphy.wowlan.n_patterns,
+ .min_pattern_len =
+ dev->wiphy.wowlan.pattern_min_len,
+ .max_pattern_len =
+ dev->wiphy.wowlan.pattern_max_len,
+ };
+ NLA_PUT(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
+ sizeof(pat), &pat);
+ }
+
+ nla_nest_end(msg, nl_wowlan);
+ }
+
+ if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
+ dev->wiphy.software_iftypes))
+ goto nla_put_failure;
+
+ if (nl80211_put_iface_combinations(&dev->wiphy, msg))
+ goto nla_put_failure;
+
+ if (dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME)
+ NLA_PUT_U32(msg, NL80211_ATTR_DEVICE_AP_SME,
+ dev->wiphy.ap_sme_capa);
+
+ NLA_PUT_U32(msg, NL80211_ATTR_FEATURE_FLAGS, dev->wiphy.features);
+
+ if (dev->wiphy.ht_capa_mod_mask)
+ NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
+ sizeof(*dev->wiphy.ht_capa_mod_mask),
+ dev->wiphy.ht_capa_mod_mask);
+
+ return genlmsg_end(msg, hdr);
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ return -EMSGSIZE;
+}
+
+static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
+{
+ int idx = 0;
+ int start = cb->args[0];
+ struct cfg80211_registered_device *dev;
+
+ mutex_lock(&cfg80211_mutex);
+ list_for_each_entry(dev, &cfg80211_rdev_list, list) {
+ if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk)))
+ continue;
+ if (++idx <= start)
+ continue;
+ if (nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq, NLM_F_MULTI,
+ dev) < 0) {
+ idx--;
+ break;
+ }
+ }
+ mutex_unlock(&cfg80211_mutex);
+
+ cb->args[0] = idx;
+
+ return skb->len;
+}
+
+static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
+{
+ struct sk_buff *msg;
+ struct cfg80211_registered_device *dev = info->user_ptr[0];
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+
+ if (nl80211_send_wiphy(msg, info->snd_pid, info->snd_seq, 0, dev) < 0) {
+ nlmsg_free(msg);
+ return -ENOBUFS;
+ }
+
+ return genlmsg_reply(msg, info);
+}
+
+static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
+ [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
+ [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
+ [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
+ [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
+ [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
+};
+
+static int parse_txq_params(struct nlattr *tb[],
+ struct ieee80211_txq_params *txq_params)
+{
+ if (!tb[NL80211_TXQ_ATTR_QUEUE] || !tb[NL80211_TXQ_ATTR_TXOP] ||
+ !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
+ !tb[NL80211_TXQ_ATTR_AIFS])
+ return -EINVAL;
+
+ txq_params->queue = nla_get_u8(tb[NL80211_TXQ_ATTR_QUEUE]);
+ txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
+ txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
+ txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
+ txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
+
+ return 0;
+}
+
+static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
+{
+ /*
+ * You can only set the channel explicitly for AP, mesh
+ * and WDS type interfaces; all others have their channel
+ * managed via their respective "establish a connection"
+ * command (connect, join, ...)
+ *
+ * Monitors are special as they are normally slaved to
+ * whatever else is going on, so they behave as though
+ * you tried setting the wiphy channel itself.
+ */
+ return !wdev ||
+ wdev->iftype == NL80211_IFTYPE_AP ||
+ wdev->iftype == NL80211_IFTYPE_WDS ||
+ wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
+ wdev->iftype == NL80211_IFTYPE_MONITOR ||
+ wdev->iftype == NL80211_IFTYPE_P2P_GO;
+}
+
+static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev,
+ struct genl_info *info)
+{
+ enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
+ u32 freq;
+ int result;
+
+ if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
+ return -EINVAL;
+
+ if (!nl80211_can_set_dev_channel(wdev))
+ return -EOPNOTSUPP;
+
+ if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
+ channel_type = nla_get_u32(info->attrs[
+ NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
+ if (channel_type != NL80211_CHAN_NO_HT &&
+ channel_type != NL80211_CHAN_HT20 &&
+ channel_type != NL80211_CHAN_HT40PLUS &&
+ channel_type != NL80211_CHAN_HT40MINUS)
+ return -EINVAL;
+ }
+
+ freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
+
+ mutex_lock(&rdev->devlist_mtx);
+ if (wdev) {
+ wdev_lock(wdev);
+ result = cfg80211_set_freq(rdev, wdev, freq, channel_type);
+ wdev_unlock(wdev);
+ } else {
+ result = cfg80211_set_freq(rdev, NULL, freq, channel_type);
+ }
+ mutex_unlock(&rdev->devlist_mtx);
+
+ return result;
+}
+
+static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *netdev = info->user_ptr[1];
+
+ return __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info);
+}
+
+static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ const u8 *bssid;
+
+ if (!info->attrs[NL80211_ATTR_MAC])
+ return -EINVAL;
+
+ if (netif_running(dev))
+ return -EBUSY;
+
+ if (!rdev->ops->set_wds_peer)
+ return -EOPNOTSUPP;
+
+ if (wdev->iftype != NL80211_IFTYPE_WDS)
+ return -EOPNOTSUPP;
+
+ bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
+ return rdev->ops->set_wds_peer(wdev->wiphy, dev, bssid);
+}
+
+
+static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev;
+ struct net_device *netdev = NULL;
+ struct wireless_dev *wdev;
+ int result = 0, rem_txq_params = 0;
+ struct nlattr *nl_txq_params;
+ u32 changed;
+ u8 retry_short = 0, retry_long = 0;
+ u32 frag_threshold = 0, rts_threshold = 0;
+ u8 coverage_class = 0;
+
+ /*
+ * Try to find the wiphy and netdev. Normally this
+ * function shouldn't need the netdev, but this is
+ * done for backward compatibility -- previously
+ * setting the channel was done per wiphy, but now
+ * it is per netdev. Previous userland like hostapd
+ * also passed a netdev to set_wiphy, so that it is
+ * possible to let that go to the right netdev!
+ */
+ mutex_lock(&cfg80211_mutex);
+
+ if (info->attrs[NL80211_ATTR_IFINDEX]) {
+ int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
+
+ netdev = dev_get_by_index(genl_info_net(info), ifindex);
+ if (netdev && netdev->ieee80211_ptr) {
+ rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy);
+ mutex_lock(&rdev->mtx);
+ } else
+ netdev = NULL;
+ }
+
+ if (!netdev) {
+ rdev = __cfg80211_rdev_from_info(info);
+ if (IS_ERR(rdev)) {
+ mutex_unlock(&cfg80211_mutex);
+ return PTR_ERR(rdev);
+ }
+ wdev = NULL;
+ netdev = NULL;
+ result = 0;
+
+ mutex_lock(&rdev->mtx);
+ } else if (netif_running(netdev) &&
+ nl80211_can_set_dev_channel(netdev->ieee80211_ptr))
+ wdev = netdev->ieee80211_ptr;
+ else
+ wdev = NULL;
+
+ /*
+ * end workaround code, by now the rdev is available
+ * and locked, and wdev may or may not be NULL.
+ */
+
+ if (info->attrs[NL80211_ATTR_WIPHY_NAME])
+ result = cfg80211_dev_rename(
+ rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
+
+ mutex_unlock(&cfg80211_mutex);
+
+ if (result)
+ goto bad_res;
+
+ if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
+ struct ieee80211_txq_params txq_params;
+ struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
+
+ if (!rdev->ops->set_txq_params) {
+ result = -EOPNOTSUPP;
+ goto bad_res;
+ }
+
+ if (!netdev) {
+ result = -EINVAL;
+ goto bad_res;
+ }
+
+ if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
+ netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
+ result = -EINVAL;
+ goto bad_res;
+ }
+
+ if (!netif_running(netdev)) {
+ result = -ENETDOWN;
+ goto bad_res;
+ }
+
+ nla_for_each_nested(nl_txq_params,
+ info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
+ rem_txq_params) {
+ nla_parse(tb, NL80211_TXQ_ATTR_MAX,
+ nla_data(nl_txq_params),
+ nla_len(nl_txq_params),
+ txq_params_policy);
+ result = parse_txq_params(tb, &txq_params);
+ if (result)
+ goto bad_res;
+
+ result = rdev->ops->set_txq_params(&rdev->wiphy,
+ netdev,
+ &txq_params);
+ if (result)
+ goto bad_res;
+ }
+ }
+
+ if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
+ result = __nl80211_set_channel(rdev, wdev, info);
+ if (result)
+ goto bad_res;
+ }
+
+ if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
+ enum nl80211_tx_power_setting type;
+ int idx, mbm = 0;
+
+ if (!rdev->ops->set_tx_power) {
+ result = -EOPNOTSUPP;
+ goto bad_res;
+ }
+
+ idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
+ type = nla_get_u32(info->attrs[idx]);
+
+ if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
+ (type != NL80211_TX_POWER_AUTOMATIC)) {
+ result = -EINVAL;
+ goto bad_res;
+ }
+
+ if (type != NL80211_TX_POWER_AUTOMATIC) {
+ idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
+ mbm = nla_get_u32(info->attrs[idx]);
+ }
+
+ result = rdev->ops->set_tx_power(&rdev->wiphy, type, mbm);
+ if (result)
+ goto bad_res;
+ }
+
+ if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
+ info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
+ u32 tx_ant, rx_ant;
+ if ((!rdev->wiphy.available_antennas_tx &&
+ !rdev->wiphy.available_antennas_rx) ||
+ !rdev->ops->set_antenna) {
+ result = -EOPNOTSUPP;
+ goto bad_res;
+ }
+
+ tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
+ rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
+
+ /* reject antenna configurations which don't match the
+ * available antenna masks, except for the "all" mask */
+ if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
+ (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) {
+ result = -EINVAL;
+ goto bad_res;
+ }
+
+ tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
+ rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
+
+ result = rdev->ops->set_antenna(&rdev->wiphy, tx_ant, rx_ant);
+ if (result)
+ goto bad_res;
+ }
+
+ changed = 0;
+
+ if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
+ retry_short = nla_get_u8(
+ info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
+ if (retry_short == 0) {
+ result = -EINVAL;
+ goto bad_res;
+ }
+ changed |= WIPHY_PARAM_RETRY_SHORT;
+ }
+
+ if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
+ retry_long = nla_get_u8(
+ info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
+ if (retry_long == 0) {
+ result = -EINVAL;
+ goto bad_res;
+ }
+ changed |= WIPHY_PARAM_RETRY_LONG;
+ }
+
+ if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
+ frag_threshold = nla_get_u32(
+ info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
+ if (frag_threshold < 256) {
+ result = -EINVAL;
+ goto bad_res;
+ }
+ if (frag_threshold != (u32) -1) {
+ /*
+ * Fragments (apart from the last one) are required to
+ * have even length. Make the fragmentation code
+ * simpler by stripping LSB should someone try to use
+ * odd threshold value.
+ */
+ frag_threshold &= ~0x1;
+ }
+ changed |= WIPHY_PARAM_FRAG_THRESHOLD;
+ }
+
+ if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
+ rts_threshold = nla_get_u32(
+ info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
+ changed |= WIPHY_PARAM_RTS_THRESHOLD;
+ }
+
+ if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
+ coverage_class = nla_get_u8(
+ info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
+ changed |= WIPHY_PARAM_COVERAGE_CLASS;
+ }
+
+ if (changed) {
+ u8 old_retry_short, old_retry_long;
+ u32 old_frag_threshold, old_rts_threshold;
+ u8 old_coverage_class;
+
+ if (!rdev->ops->set_wiphy_params) {
+ result = -EOPNOTSUPP;
+ goto bad_res;
+ }
+
+ old_retry_short = rdev->wiphy.retry_short;
+ old_retry_long = rdev->wiphy.retry_long;
+ old_frag_threshold = rdev->wiphy.frag_threshold;
+ old_rts_threshold = rdev->wiphy.rts_threshold;
+ old_coverage_class = rdev->wiphy.coverage_class;
+
+ if (changed & WIPHY_PARAM_RETRY_SHORT)
+ rdev->wiphy.retry_short = retry_short;
+ if (changed & WIPHY_PARAM_RETRY_LONG)
+ rdev->wiphy.retry_long = retry_long;
+ if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
+ rdev->wiphy.frag_threshold = frag_threshold;
+ if (changed & WIPHY_PARAM_RTS_THRESHOLD)
+ rdev->wiphy.rts_threshold = rts_threshold;
+ if (changed & WIPHY_PARAM_COVERAGE_CLASS)
+ rdev->wiphy.coverage_class = coverage_class;
+
+ result = rdev->ops->set_wiphy_params(&rdev->wiphy, changed);
+ if (result) {
+ rdev->wiphy.retry_short = old_retry_short;
+ rdev->wiphy.retry_long = old_retry_long;
+ rdev->wiphy.frag_threshold = old_frag_threshold;
+ rdev->wiphy.rts_threshold = old_rts_threshold;
+ rdev->wiphy.coverage_class = old_coverage_class;
+ }
+ }
+
+ bad_res:
+ mutex_unlock(&rdev->mtx);
+ if (netdev)
+ dev_put(netdev);
+ return result;
+}
+
+
+static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags,
+ struct cfg80211_registered_device *rdev,
+ struct net_device *dev)
+{
+ void *hdr;
+
+ hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_INTERFACE);
+ if (!hdr)
+ return -1;
+
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, dev->name);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, dev->ieee80211_ptr->iftype);
+
+ NLA_PUT_U32(msg, NL80211_ATTR_GENERATION,
+ rdev->devlist_generation ^
+ (cfg80211_rdev_list_generation << 2));
+
+ return genlmsg_end(msg, hdr);
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ return -EMSGSIZE;
+}
+
+static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
+{
+ int wp_idx = 0;
+ int if_idx = 0;
+ int wp_start = cb->args[0];
+ int if_start = cb->args[1];
+ struct cfg80211_registered_device *rdev;
+ struct wireless_dev *wdev;
+
+ mutex_lock(&cfg80211_mutex);
+ list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
+ if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
+ continue;
+ if (wp_idx < wp_start) {
+ wp_idx++;
+ continue;
+ }
+ if_idx = 0;
+
+ mutex_lock(&rdev->devlist_mtx);
+ list_for_each_entry(wdev, &rdev->netdev_list, list) {
+ if (if_idx < if_start) {
+ if_idx++;
+ continue;
+ }
+ if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq, NLM_F_MULTI,
+ rdev, wdev->netdev) < 0) {
+ mutex_unlock(&rdev->devlist_mtx);
+ goto out;
+ }
+ if_idx++;
+ }
+ mutex_unlock(&rdev->devlist_mtx);
+
+ wp_idx++;
+ }
+ out:
+ mutex_unlock(&cfg80211_mutex);
+
+ cb->args[0] = wp_idx;
+ cb->args[1] = if_idx;
+
+ return skb->len;
+}
+
+static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
+{
+ struct sk_buff *msg;
+ struct cfg80211_registered_device *dev = info->user_ptr[0];
+ struct net_device *netdev = info->user_ptr[1];
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+
+ if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0,
+ dev, netdev) < 0) {
+ nlmsg_free(msg);
+ return -ENOBUFS;
+ }
+
+ return genlmsg_reply(msg, info);
+}
+
+static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
+ [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
+ [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
+ [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
+ [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
+ [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
+};
+
+static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
+{
+ struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
+ int flag;
+
+ *mntrflags = 0;
+
+ if (!nla)
+ return -EINVAL;
+
+ if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX,
+ nla, mntr_flags_policy))
+ return -EINVAL;
+
+ for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
+ if (flags[flag])
+ *mntrflags |= (1<<flag);
+
+ return 0;
+}
+
+static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, u8 use_4addr,
+ enum nl80211_iftype iftype)
+{
+ if (!use_4addr) {
+ if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT))
+ return -EBUSY;
+ return 0;
+ }
+
+ switch (iftype) {
+ case NL80211_IFTYPE_AP_VLAN:
+ if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
+ return 0;
+ break;
+ case NL80211_IFTYPE_STATION:
+ if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
+ return 0;
+ break;
+ default:
+ break;
+ }
+
+ return -EOPNOTSUPP;
+}
+
+static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct vif_params params;
+ int err;
+ enum nl80211_iftype otype, ntype;
+ struct net_device *dev = info->user_ptr[1];
+ u32 _flags, *flags = NULL;
+ bool change = false;
+
+ memset(¶ms, 0, sizeof(params));
+
+ otype = ntype = dev->ieee80211_ptr->iftype;
+
+ if (info->attrs[NL80211_ATTR_IFTYPE]) {
+ ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
+ if (otype != ntype)
+ change = true;
+ if (ntype > NL80211_IFTYPE_MAX)
+ return -EINVAL;
+ }
+
+ if (info->attrs[NL80211_ATTR_MESH_ID]) {
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+ if (ntype != NL80211_IFTYPE_MESH_POINT)
+ return -EINVAL;
+ if (netif_running(dev))
+ return -EBUSY;
+
+ wdev_lock(wdev);
+ BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
+ IEEE80211_MAX_MESH_ID_LEN);
+ wdev->mesh_id_up_len =
+ nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
+ memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
+ wdev->mesh_id_up_len);
+ wdev_unlock(wdev);
+ }
+
+ if (info->attrs[NL80211_ATTR_4ADDR]) {
+ params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
+ change = true;
+ err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
+ if (err)
+ return err;
+ } else {
+ params.use_4addr = -1;
+ }
+
+ if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
+ if (ntype != NL80211_IFTYPE_MONITOR)
+ return -EINVAL;
+ err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
+ &_flags);
+ if (err)
+ return err;
+
+ flags = &_flags;
+ change = true;
+ }
+
+ if (change)
+ err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms);
+ else
+ err = 0;
+
+ if (!err && params.use_4addr != -1)
+ dev->ieee80211_ptr->use_4addr = params.use_4addr;
+
+ return err;
+}
+
+static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct vif_params params;
+ struct net_device *dev;
+ int err;
+ enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
+ u32 flags;
+
+ memset(¶ms, 0, sizeof(params));
+
+ if (!info->attrs[NL80211_ATTR_IFNAME])
+ return -EINVAL;
+
+ if (info->attrs[NL80211_ATTR_IFTYPE]) {
+ type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
+ if (type > NL80211_IFTYPE_MAX)
+ return -EINVAL;
+ }
+
+ if (!rdev->ops->add_virtual_intf ||
+ !(rdev->wiphy.interface_modes & (1 << type)))
+ return -EOPNOTSUPP;
+
+ if (info->attrs[NL80211_ATTR_4ADDR]) {
+ params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
+ err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
+ if (err)
+ return err;
+ }
+
+ err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
+ info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
+ &flags);
+ dev = rdev->ops->add_virtual_intf(&rdev->wiphy,
+ nla_data(info->attrs[NL80211_ATTR_IFNAME]),
+ type, err ? NULL : &flags, ¶ms);
+ if (IS_ERR(dev))
+ return PTR_ERR(dev);
+
+ if (type == NL80211_IFTYPE_MESH_POINT &&
+ info->attrs[NL80211_ATTR_MESH_ID]) {
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+ wdev_lock(wdev);
+ BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
+ IEEE80211_MAX_MESH_ID_LEN);
+ wdev->mesh_id_up_len =
+ nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
+ memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
+ wdev->mesh_id_up_len);
+ wdev_unlock(wdev);
+ }
+
+ return 0;
+}
+
+static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+
+ if (!rdev->ops->del_virtual_intf)
+ return -EOPNOTSUPP;
+
+ return rdev->ops->del_virtual_intf(&rdev->wiphy, dev);
+}
+
+static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ u16 noack_map;
+
+ if (!info->attrs[NL80211_ATTR_NOACK_MAP])
+ return -EINVAL;
+
+ if (!rdev->ops->set_noack_map)
+ return -EOPNOTSUPP;
+
+ noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
+
+ return rdev->ops->set_noack_map(&rdev->wiphy, dev, noack_map);
+}
+
+struct get_key_cookie {
+ struct sk_buff *msg;
+ int error;
+ int idx;
+};
+
+static void get_key_callback(void *c, struct key_params *params)
+{
+ struct nlattr *key;
+ struct get_key_cookie *cookie = c;
+
+ if (params->key)
+ NLA_PUT(cookie->msg, NL80211_ATTR_KEY_DATA,
+ params->key_len, params->key);
+
+ if (params->seq)
+ NLA_PUT(cookie->msg, NL80211_ATTR_KEY_SEQ,
+ params->seq_len, params->seq);
+
+ if (params->cipher)
+ NLA_PUT_U32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
+ params->cipher);
+
+ key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY);
+ if (!key)
+ goto nla_put_failure;
+
+ if (params->key)
+ NLA_PUT(cookie->msg, NL80211_KEY_DATA,
+ params->key_len, params->key);
+
+ if (params->seq)
+ NLA_PUT(cookie->msg, NL80211_KEY_SEQ,
+ params->seq_len, params->seq);
+
+ if (params->cipher)
+ NLA_PUT_U32(cookie->msg, NL80211_KEY_CIPHER,
+ params->cipher);
+
+ NLA_PUT_U8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx);
+
+ nla_nest_end(cookie->msg, key);
+
+ return;
+ nla_put_failure:
+ cookie->error = 1;
+}
+
+static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ int err;
+ struct net_device *dev = info->user_ptr[1];
+ u8 key_idx = 0;
+ const u8 *mac_addr = NULL;
+ bool pairwise;
+ struct get_key_cookie cookie = {
+ .error = 0,
+ };
+ void *hdr;
+ struct sk_buff *msg;
+
+ if (info->attrs[NL80211_ATTR_KEY_IDX])
+ key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
+
+ if (key_idx > 5)
+ return -EINVAL;
+
+ if (info->attrs[NL80211_ATTR_MAC])
+ mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
+
+ pairwise = !!mac_addr;
+ if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
+ u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
+ if (kt >= NUM_NL80211_KEYTYPES)
+ return -EINVAL;
+ if (kt != NL80211_KEYTYPE_GROUP &&
+ kt != NL80211_KEYTYPE_PAIRWISE)
+ return -EINVAL;
+ pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
+ }
+
+ if (!rdev->ops->get_key)
+ return -EOPNOTSUPP;
+
+ if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
+ return -ENOENT;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+
+ hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
+ NL80211_CMD_NEW_KEY);
+ if (IS_ERR(hdr))
+ return PTR_ERR(hdr);
+
+ cookie.msg = msg;
+ cookie.idx = key_idx;
+
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
+ NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx);
+ if (mac_addr)
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
+
+ err = rdev->ops->get_key(&rdev->wiphy, dev, key_idx, pairwise,
+ mac_addr, &cookie, get_key_callback);
+
+ if (err)
+ goto free_msg;
+
+ if (cookie.error)
+ goto nla_put_failure;
+
+ genlmsg_end(msg, hdr);
+ return genlmsg_reply(msg, info);
+
+ nla_put_failure:
+ err = -ENOBUFS;
+ free_msg:
+ nlmsg_free(msg);
+ return err;
+}
+
+static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct key_parse key;
+ int err;
+ struct net_device *dev = info->user_ptr[1];
+
+ err = nl80211_parse_key(info, &key);
+ if (err)
+ return err;
+
+ if (key.idx < 0)
+ return -EINVAL;
+
+ /* only support setting default key */
+ if (!key.def && !key.defmgmt)
+ return -EINVAL;
+
+ wdev_lock(dev->ieee80211_ptr);
+
+ if (key.def) {
+ if (!rdev->ops->set_default_key) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ err = nl80211_key_allowed(dev->ieee80211_ptr);
+ if (err)
+ goto out;
+
+ err = rdev->ops->set_default_key(&rdev->wiphy, dev, key.idx,
+ key.def_uni, key.def_multi);
+
+ if (err)
+ goto out;
+
+#ifdef CONFIG_CFG80211_WEXT
+ dev->ieee80211_ptr->wext.default_key = key.idx;
+#endif
+ } else {
+ if (key.def_uni || !key.def_multi) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ if (!rdev->ops->set_default_mgmt_key) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ err = nl80211_key_allowed(dev->ieee80211_ptr);
+ if (err)
+ goto out;
+
+ err = rdev->ops->set_default_mgmt_key(&rdev->wiphy,
+ dev, key.idx);
+ if (err)
+ goto out;
+
+#ifdef CONFIG_CFG80211_WEXT
+ dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
+#endif
+ }
+
+ out:
+ wdev_unlock(dev->ieee80211_ptr);
+
+ return err;
+}
+
+static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ int err;
+ struct net_device *dev = info->user_ptr[1];
+ struct key_parse key;
+ const u8 *mac_addr = NULL;
+
+ err = nl80211_parse_key(info, &key);
+ if (err)
+ return err;
+
+ if (!key.p.key)
+ return -EINVAL;
+
+ if (info->attrs[NL80211_ATTR_MAC])
+ mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
+
+ if (key.type == -1) {
+ if (mac_addr)
+ key.type = NL80211_KEYTYPE_PAIRWISE;
+ else
+ key.type = NL80211_KEYTYPE_GROUP;
+ }
+
+ /* for now */
+ if (key.type != NL80211_KEYTYPE_PAIRWISE &&
+ key.type != NL80211_KEYTYPE_GROUP)
+ return -EINVAL;
+
+ if (!rdev->ops->add_key)
+ return -EOPNOTSUPP;
+
+ if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
+ key.type == NL80211_KEYTYPE_PAIRWISE,
+ mac_addr))
+ return -EINVAL;
+
+ wdev_lock(dev->ieee80211_ptr);
+ err = nl80211_key_allowed(dev->ieee80211_ptr);
+ if (!err)
+ err = rdev->ops->add_key(&rdev->wiphy, dev, key.idx,
+ key.type == NL80211_KEYTYPE_PAIRWISE,
+ mac_addr, &key.p);
+ wdev_unlock(dev->ieee80211_ptr);
+
+ return err;
+}
+
+static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ int err;
+ struct net_device *dev = info->user_ptr[1];
+ u8 *mac_addr = NULL;
+ struct key_parse key;
+
+ err = nl80211_parse_key(info, &key);
+ if (err)
+ return err;
+
+ if (info->attrs[NL80211_ATTR_MAC])
+ mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
+
+ if (key.type == -1) {
+ if (mac_addr)
+ key.type = NL80211_KEYTYPE_PAIRWISE;
+ else
+ key.type = NL80211_KEYTYPE_GROUP;
+ }
+
+ /* for now */
+ if (key.type != NL80211_KEYTYPE_PAIRWISE &&
+ key.type != NL80211_KEYTYPE_GROUP)
+ return -EINVAL;
+
+ if (!rdev->ops->del_key)
+ return -EOPNOTSUPP;
+
+ wdev_lock(dev->ieee80211_ptr);
+ err = nl80211_key_allowed(dev->ieee80211_ptr);
+
+ if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
+ !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
+ err = -ENOENT;
+
+ if (!err)
+ err = rdev->ops->del_key(&rdev->wiphy, dev, key.idx,
+ key.type == NL80211_KEYTYPE_PAIRWISE,
+ mac_addr);
+
+#ifdef CONFIG_CFG80211_WEXT
+ if (!err) {
+ if (key.idx == dev->ieee80211_ptr->wext.default_key)
+ dev->ieee80211_ptr->wext.default_key = -1;
+ else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
+ dev->ieee80211_ptr->wext.default_mgmt_key = -1;
+ }
+#endif
+ wdev_unlock(dev->ieee80211_ptr);
+
+ return err;
+}
+
+static int nl80211_parse_beacon(struct genl_info *info,
+ struct cfg80211_beacon_data *bcn)
+{
+ bool haveinfo = false;
+
+ if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_BEACON_TAIL]) ||
+ !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]) ||
+ !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE_PROBE_RESP]) ||
+ !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]))
+ return -EINVAL;
+
+ memset(bcn, 0, sizeof(*bcn));
+
+ if (info->attrs[NL80211_ATTR_BEACON_HEAD]) {
+ bcn->head = nla_data(info->attrs[NL80211_ATTR_BEACON_HEAD]);
+ bcn->head_len = nla_len(info->attrs[NL80211_ATTR_BEACON_HEAD]);
+ if (!bcn->head_len)
+ return -EINVAL;
+ haveinfo = true;
+ }
+
+ if (info->attrs[NL80211_ATTR_BEACON_TAIL]) {
+ bcn->tail = nla_data(info->attrs[NL80211_ATTR_BEACON_TAIL]);
+ bcn->tail_len =
+ nla_len(info->attrs[NL80211_ATTR_BEACON_TAIL]);
+ haveinfo = true;
+ }
+
+ if (!haveinfo)
+ return -EINVAL;
+
+ if (info->attrs[NL80211_ATTR_IE]) {
+ bcn->beacon_ies = nla_data(info->attrs[NL80211_ATTR_IE]);
+ bcn->beacon_ies_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+ }
+
+ if (info->attrs[NL80211_ATTR_IE_PROBE_RESP]) {
+ bcn->proberesp_ies =
+ nla_data(info->attrs[NL80211_ATTR_IE_PROBE_RESP]);
+ bcn->proberesp_ies_len =
+ nla_len(info->attrs[NL80211_ATTR_IE_PROBE_RESP]);
+ }
+
+ if (info->attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
+ bcn->assocresp_ies =
+ nla_data(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]);
+ bcn->assocresp_ies_len =
+ nla_len(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]);
+ }
+
+ if (info->attrs[NL80211_ATTR_PROBE_RESP]) {
+ bcn->probe_resp =
+ nla_data(info->attrs[NL80211_ATTR_PROBE_RESP]);
+ bcn->probe_resp_len =
+ nla_len(info->attrs[NL80211_ATTR_PROBE_RESP]);
+ }
+
+ return 0;
+}
+
+static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct cfg80211_ap_settings params;
+ int err;
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
+ return -EOPNOTSUPP;
+
+ if (!rdev->ops->start_ap)
+ return -EOPNOTSUPP;
+
+ if (wdev->beacon_interval)
+ return -EALREADY;
+
+ memset(¶ms, 0, sizeof(params));
+
+ /* these are required for START_AP */
+ if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
+ !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
+ !info->attrs[NL80211_ATTR_BEACON_HEAD])
+ return -EINVAL;
+
+ err = nl80211_parse_beacon(info, ¶ms.beacon);
+ if (err)
+ return err;
+
+ params.beacon_interval =
+ nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
+ params.dtim_period =
+ nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
+
+ err = cfg80211_validate_beacon_int(rdev, params.beacon_interval);
+ if (err)
+ return err;
+
+ /*
+ * In theory, some of these attributes should be required here
+ * but since they were not used when the command was originally
+ * added, keep them optional for old user space programs to let
+ * them continue to work with drivers that do not need the
+ * additional information -- drivers must check!
+ */
+ if (info->attrs[NL80211_ATTR_SSID]) {
+ params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
+ params.ssid_len =
+ nla_len(info->attrs[NL80211_ATTR_SSID]);
+ if (params.ssid_len == 0 ||
+ params.ssid_len > IEEE80211_MAX_SSID_LEN)
+ return -EINVAL;
+ }
+
+ if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) {
+ params.hidden_ssid = nla_get_u32(
+ info->attrs[NL80211_ATTR_HIDDEN_SSID]);
+ if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE &&
+ params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN &&
+ params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS)
+ return -EINVAL;
+ }
+
+ params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
+
+ if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
+ params.auth_type = nla_get_u32(
+ info->attrs[NL80211_ATTR_AUTH_TYPE]);
+ if (!nl80211_valid_auth_type(params.auth_type))
+ return -EINVAL;
+ } else
+ params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
+
+ err = nl80211_crypto_settings(rdev, info, ¶ms.crypto,
+ NL80211_MAX_NR_CIPHER_SUITES);
+ if (err)
+ return err;
+
+ if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
+ if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER))
+ return -EOPNOTSUPP;
+ params.inactivity_timeout = nla_get_u16(
+ info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
+ }
+
+ err = rdev->ops->start_ap(&rdev->wiphy, dev, ¶ms);
+ if (!err)
+ wdev->beacon_interval = params.beacon_interval;
+ return err;
+}
+
+static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct cfg80211_beacon_data params;
+ int err;
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
+ return -EOPNOTSUPP;
+
+ if (!rdev->ops->change_beacon)
+ return -EOPNOTSUPP;
+
+ if (!wdev->beacon_interval)
+ return -EINVAL;
+
+ err = nl80211_parse_beacon(info, ¶ms);
+ if (err)
+ return err;
+
+ return rdev->ops->change_beacon(&rdev->wiphy, dev, ¶ms);
+}
+
+static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ int err;
+
+ if (!rdev->ops->stop_ap)
+ return -EOPNOTSUPP;
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
+ return -EOPNOTSUPP;
+
+ if (!wdev->beacon_interval)
+ return -ENOENT;
+
+ err = rdev->ops->stop_ap(&rdev->wiphy, dev);
+ if (!err)
+ wdev->beacon_interval = 0;
+ return err;
+}
+
+static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
+ [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
+ [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
+ [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
+ [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
+ [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
+ [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
+};
+
+static int parse_station_flags(struct genl_info *info,
+ enum nl80211_iftype iftype,
+ struct station_parameters *params)
+{
+ struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
+ struct nlattr *nla;
+ int flag;
+
+ /*
+ * Try parsing the new attribute first so userspace
+ * can specify both for older kernels.
+ */
+ nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
+ if (nla) {
+ struct nl80211_sta_flag_update *sta_flags;
+
+ sta_flags = nla_data(nla);
+ params->sta_flags_mask = sta_flags->mask;
+ params->sta_flags_set = sta_flags->set;
+ if ((params->sta_flags_mask |
+ params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
+ return -EINVAL;
+ return 0;
+ }
+
+ /* if present, parse the old attribute */
+
+ nla = info->attrs[NL80211_ATTR_STA_FLAGS];
+ if (!nla)
+ return 0;
+
+ if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX,
+ nla, sta_flags_policy))
+ return -EINVAL;
+
+ /*
+ * Only allow certain flags for interface types so that
+ * other attributes are silently ignored. Remember that
+ * this is backward compatibility code with old userspace
+ * and shouldn't be hit in other cases anyway.
+ */
+ switch (iftype) {
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_AP_VLAN:
+ case NL80211_IFTYPE_P2P_GO:
+ params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
+ BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
+ BIT(NL80211_STA_FLAG_WME) |
+ BIT(NL80211_STA_FLAG_MFP);
+ break;
+ case NL80211_IFTYPE_P2P_CLIENT:
+ case NL80211_IFTYPE_STATION:
+ params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
+ BIT(NL80211_STA_FLAG_TDLS_PEER);
+ break;
+ case NL80211_IFTYPE_MESH_POINT:
+ params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
+ BIT(NL80211_STA_FLAG_MFP) |
+ BIT(NL80211_STA_FLAG_AUTHORIZED);
+ default:
+ return -EINVAL;
+ }
+
+ for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++)
+ if (flags[flag])
+ params->sta_flags_set |= (1<<flag);
+
+ return 0;
+}
+
+static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info,
+ int attr)
+{
+ struct nlattr *rate;
+ u16 bitrate;
+
+ rate = nla_nest_start(msg, attr);
+ if (!rate)
+ goto nla_put_failure;
+
+ /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
+ bitrate = cfg80211_calculate_bitrate(info);
+ if (bitrate > 0)
+ NLA_PUT_U16(msg, NL80211_RATE_INFO_BITRATE, bitrate);
+
+ if (info->flags & RATE_INFO_FLAGS_MCS)
+ NLA_PUT_U8(msg, NL80211_RATE_INFO_MCS, info->mcs);
+ if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH)
+ NLA_PUT_FLAG(msg, NL80211_RATE_INFO_40_MHZ_WIDTH);
+ if (info->flags & RATE_INFO_FLAGS_SHORT_GI)
+ NLA_PUT_FLAG(msg, NL80211_RATE_INFO_SHORT_GI);
+
+ nla_nest_end(msg, rate);
+ return true;
+
+nla_put_failure:
+ return false;
+}
+
+static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
+ int flags,
+ struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ const u8 *mac_addr, struct station_info *sinfo)
+{
+ void *hdr;
+ struct nlattr *sinfoattr, *bss_param;
+
+ hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION);
+ if (!hdr)
+ return -1;
+
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
+
+ NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, sinfo->generation);
+
+ sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO);
+ if (!sinfoattr)
+ goto nla_put_failure;
+ if (sinfo->filled & STATION_INFO_CONNECTED_TIME)
+ NLA_PUT_U32(msg, NL80211_STA_INFO_CONNECTED_TIME,
+ sinfo->connected_time);
+ if (sinfo->filled & STATION_INFO_INACTIVE_TIME)
+ NLA_PUT_U32(msg, NL80211_STA_INFO_INACTIVE_TIME,
+ sinfo->inactive_time);
+ if (sinfo->filled & STATION_INFO_RX_BYTES)
+ NLA_PUT_U32(msg, NL80211_STA_INFO_RX_BYTES,
+ sinfo->rx_bytes);
+ if (sinfo->filled & STATION_INFO_TX_BYTES)
+ NLA_PUT_U32(msg, NL80211_STA_INFO_TX_BYTES,
+ sinfo->tx_bytes);
+ if (sinfo->filled & STATION_INFO_LLID)
+ NLA_PUT_U16(msg, NL80211_STA_INFO_LLID,
+ sinfo->llid);
+ if (sinfo->filled & STATION_INFO_PLID)
+ NLA_PUT_U16(msg, NL80211_STA_INFO_PLID,
+ sinfo->plid);
+ if (sinfo->filled & STATION_INFO_PLINK_STATE)
+ NLA_PUT_U8(msg, NL80211_STA_INFO_PLINK_STATE,
+ sinfo->plink_state);
+ switch (rdev->wiphy.signal_type) {
+ case CFG80211_SIGNAL_TYPE_MBM:
+ if (sinfo->filled & STATION_INFO_SIGNAL)
+ NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL,
+ sinfo->signal);
+ if (sinfo->filled & STATION_INFO_SIGNAL_AVG)
+ NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL_AVG,
+ sinfo->signal_avg);
+ break;
+ default:
+ break;
+ }
+ if (sinfo->filled & STATION_INFO_TX_BITRATE) {
+ if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
+ NL80211_STA_INFO_TX_BITRATE))
+ goto nla_put_failure;
+ }
+ if (sinfo->filled & STATION_INFO_RX_BITRATE) {
+ if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
+ NL80211_STA_INFO_RX_BITRATE))
+ goto nla_put_failure;
+ }
+ if (sinfo->filled & STATION_INFO_RX_PACKETS)
+ NLA_PUT_U32(msg, NL80211_STA_INFO_RX_PACKETS,
+ sinfo->rx_packets);
+ if (sinfo->filled & STATION_INFO_TX_PACKETS)
+ NLA_PUT_U32(msg, NL80211_STA_INFO_TX_PACKETS,
+ sinfo->tx_packets);
+ if (sinfo->filled & STATION_INFO_TX_RETRIES)
+ NLA_PUT_U32(msg, NL80211_STA_INFO_TX_RETRIES,
+ sinfo->tx_retries);
+ if (sinfo->filled & STATION_INFO_TX_FAILED)
+ NLA_PUT_U32(msg, NL80211_STA_INFO_TX_FAILED,
+ sinfo->tx_failed);
+ if (sinfo->filled & STATION_INFO_BEACON_LOSS_COUNT)
+ NLA_PUT_U32(msg, NL80211_STA_INFO_BEACON_LOSS,
+ sinfo->beacon_loss_count);
+ if (sinfo->filled & STATION_INFO_BSS_PARAM) {
+ bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM);
+ if (!bss_param)
+ goto nla_put_failure;
+
+ if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT)
+ NLA_PUT_FLAG(msg, NL80211_STA_BSS_PARAM_CTS_PROT);
+ if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE)
+ NLA_PUT_FLAG(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE);
+ if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME)
+ NLA_PUT_FLAG(msg,
+ NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME);
+ NLA_PUT_U8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
+ sinfo->bss_param.dtim_period);
+ NLA_PUT_U16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
+ sinfo->bss_param.beacon_interval);
+
+ nla_nest_end(msg, bss_param);
+ }
+ if (sinfo->filled & STATION_INFO_STA_FLAGS)
+ NLA_PUT(msg, NL80211_STA_INFO_STA_FLAGS,
+ sizeof(struct nl80211_sta_flag_update),
+ &sinfo->sta_flags);
+ nla_nest_end(msg, sinfoattr);
+
+ if (sinfo->filled & STATION_INFO_ASSOC_REQ_IES)
+ NLA_PUT(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
+ sinfo->assoc_req_ies);
+
+ return genlmsg_end(msg, hdr);
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ return -EMSGSIZE;
+}
+
+static int nl80211_dump_station(struct sk_buff *skb,
+ struct netlink_callback *cb)
+{
+ struct station_info sinfo;
+ struct cfg80211_registered_device *dev;
+ struct net_device *netdev;
+ u8 mac_addr[ETH_ALEN];
+ int sta_idx = cb->args[1];
+ int err;
+
+ err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev);
+ if (err)
+ return err;
+
+ if (!dev->ops->dump_station) {
+ err = -EOPNOTSUPP;
+ goto out_err;
+ }
+
+ while (1) {
+ memset(&sinfo, 0, sizeof(sinfo));
+ err = dev->ops->dump_station(&dev->wiphy, netdev, sta_idx,
+ mac_addr, &sinfo);
+ if (err == -ENOENT)
+ break;
+ if (err)
+ goto out_err;
+
+ if (nl80211_send_station(skb,
+ NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq, NLM_F_MULTI,
+ dev, netdev, mac_addr,
+ &sinfo) < 0)
+ goto out;
+
+ sta_idx++;
+ }
+
+
+ out:
+ cb->args[1] = sta_idx;
+ err = skb->len;
+ out_err:
+ nl80211_finish_netdev_dump(dev);
+
+ return err;
+}
+
+static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct station_info sinfo;
+ struct sk_buff *msg;
+ u8 *mac_addr = NULL;
+ int err;
+
+ memset(&sinfo, 0, sizeof(sinfo));
+
+ if (!info->attrs[NL80211_ATTR_MAC])
+ return -EINVAL;
+
+ mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
+
+ if (!rdev->ops->get_station)
+ return -EOPNOTSUPP;
+
+ err = rdev->ops->get_station(&rdev->wiphy, dev, mac_addr, &sinfo);
+ if (err)
+ return err;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+
+ if (nl80211_send_station(msg, info->snd_pid, info->snd_seq, 0,
+ rdev, dev, mac_addr, &sinfo) < 0) {
+ nlmsg_free(msg);
+ return -ENOBUFS;
+ }
+
+ return genlmsg_reply(msg, info);
+}
+
+/*
+ * Get vlan interface making sure it is running and on the right wiphy.
+ */
+static struct net_device *get_vlan(struct genl_info *info,
+ struct cfg80211_registered_device *rdev)
+{
+ struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
+ struct net_device *v;
+ int ret;
+
+ if (!vlanattr)
+ return NULL;
+
+ v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
+ if (!v)
+ return ERR_PTR(-ENODEV);
+
+ if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
+ ret = -EINVAL;
+ goto error;
+ }
+
+ if (!netif_running(v)) {
+ ret = -ENETDOWN;
+ goto error;
+ }
+
+ return v;
+ error:
+ dev_put(v);
+ return ERR_PTR(ret);
+}
+
+static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ int err;
+ struct net_device *dev = info->user_ptr[1];
+ struct station_parameters params;
+ u8 *mac_addr = NULL;
+
+ memset(¶ms, 0, sizeof(params));
+
+ params.listen_interval = -1;
+ params.plink_state = -1;
+
+ if (info->attrs[NL80211_ATTR_STA_AID])
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_MAC])
+ return -EINVAL;
+
+ mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
+
+ if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
+ params.supported_rates =
+ nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
+ params.supported_rates_len =
+ nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
+ }
+
+ if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
+ params.listen_interval =
+ nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
+
+ if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
+ params.ht_capa =
+ nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
+
+ if (!rdev->ops->change_station)
+ return -EOPNOTSUPP;
+
+ if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
+ return -EINVAL;
+
+ if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
+ params.plink_action =
+ nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
+
+ if (info->attrs[NL80211_ATTR_STA_PLINK_STATE])
+ params.plink_state =
+ nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
+
+ switch (dev->ieee80211_ptr->iftype) {
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_AP_VLAN:
+ case NL80211_IFTYPE_P2P_GO:
+ /* disallow mesh-specific things */
+ if (params.plink_action)
+ return -EINVAL;
+
+ /* TDLS can't be set, ... */
+ if (params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
+ return -EINVAL;
+ /*
+ * ... but don't bother the driver with it. This works around
+ * a hostapd/wpa_supplicant issue -- it always includes the
+ * TLDS_PEER flag in the mask even for AP mode.
+ */
+ params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
+
+ /* accept only the listed bits */
+ if (params.sta_flags_mask &
+ ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
+ BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
+ BIT(NL80211_STA_FLAG_WME) |
+ BIT(NL80211_STA_FLAG_MFP)))
+ return -EINVAL;
+
+ /* must be last in here for error handling */
+ params.vlan = get_vlan(info, rdev);
+ if (IS_ERR(params.vlan))
+ return PTR_ERR(params.vlan);
+ break;
+ case NL80211_IFTYPE_P2P_CLIENT:
+ case NL80211_IFTYPE_STATION:
+ /*
+ * Don't allow userspace to change the TDLS_PEER flag,
+ * but silently ignore attempts to change it since we
+ * don't have state here to verify that it doesn't try
+ * to change the flag.
+ */
+ params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
+ /* fall through */
+ case NL80211_IFTYPE_ADHOC:
+ /* disallow things sta doesn't support */
+ if (params.plink_action)
+ return -EINVAL;
+ if (params.ht_capa)
+ return -EINVAL;
+ if (params.listen_interval >= 0)
+ return -EINVAL;
+ /* reject any changes other than AUTHORIZED */
+ if (params.sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
+ return -EINVAL;
+ break;
+ case NL80211_IFTYPE_MESH_POINT:
+ /* disallow things mesh doesn't support */
+ if (params.vlan)
+ return -EINVAL;
+ if (params.ht_capa)
+ return -EINVAL;
+ if (params.listen_interval >= 0)
+ return -EINVAL;
+ /*
+ * No special handling for TDLS here -- the userspace
+ * mesh code doesn't have this bug.
+ */
+ if (params.sta_flags_mask &
+ ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
+ BIT(NL80211_STA_FLAG_MFP) |
+ BIT(NL80211_STA_FLAG_AUTHORIZED)))
+ return -EINVAL;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ /* be aware of params.vlan when changing code here */
+
+ err = rdev->ops->change_station(&rdev->wiphy, dev, mac_addr, ¶ms);
+
+ if (params.vlan)
+ dev_put(params.vlan);
+
+ return err;
+}
+
+static struct nla_policy
+nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = {
+ [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
+ [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
+};
+
+static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ int err;
+ struct net_device *dev = info->user_ptr[1];
+ struct station_parameters params;
+ u8 *mac_addr = NULL;
+
+ memset(¶ms, 0, sizeof(params));
+
+ if (!info->attrs[NL80211_ATTR_MAC])
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_STA_AID])
+ return -EINVAL;
+
+ mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
+ params.supported_rates =
+ nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
+ params.supported_rates_len =
+ nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
+ params.listen_interval =
+ nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
+
+ params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
+ if (!params.aid || params.aid > IEEE80211_MAX_AID)
+ return -EINVAL;
+
+ if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
+ params.ht_capa =
+ nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
+
+ if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
+ params.plink_action =
+ nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
+
+ if (!rdev->ops->add_station)
+ return -EOPNOTSUPP;
+
+ if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
+ return -EINVAL;
+
+ /* HT requires QoS, but if we don't have that just ignore HT/VHT
+ * as userspace might just pass through the capabilities from the IEs
+ * directly, rather than enforcing this restriction and returning an
+ * error in this case.
+ */
+ if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
+ params.ht_capa = NULL;
+
+ switch (dev->ieee80211_ptr->iftype) {
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_AP_VLAN:
+ case NL80211_IFTYPE_P2P_GO:
+ /* parse WME attributes if sta is WME capable */
+ if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
+ (params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)) &&
+ info->attrs[NL80211_ATTR_STA_WME]) {
+ struct nlattr *tb[NL80211_STA_WME_MAX + 1];
+ struct nlattr *nla;
+
+ nla = info->attrs[NL80211_ATTR_STA_WME];
+ err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla,
+ nl80211_sta_wme_policy);
+ if (err)
+ return err;
+
+ if (tb[NL80211_STA_WME_UAPSD_QUEUES])
+ params.uapsd_queues =
+ nla_get_u8(tb[NL80211_STA_WME_UAPSD_QUEUES]);
+ if (params.uapsd_queues &
+ ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
+ return -EINVAL;
+
+ if (tb[NL80211_STA_WME_MAX_SP])
+ params.max_sp =
+ nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
+
+ if (params.max_sp &
+ ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
+ return -EINVAL;
+
+ params.sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
+ }
+ /* TDLS peers cannot be added */
+ if (params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
+ return -EINVAL;
+ /* but don't bother the driver with it */
+ params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
+
+ /* must be last in here for error handling */
+ params.vlan = get_vlan(info, rdev);
+ if (IS_ERR(params.vlan))
+ return PTR_ERR(params.vlan);
+ break;
+ case NL80211_IFTYPE_MESH_POINT:
+ /* TDLS peers cannot be added */
+ if (params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
+ return -EINVAL;
+ break;
+ case NL80211_IFTYPE_STATION:
+ /* Only TDLS peers can be added */
+ if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
+ return -EINVAL;
+ /* Can only add if TDLS ... */
+ if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
+ return -EOPNOTSUPP;
+ /* ... with external setup is supported */
+ if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
+ return -EOPNOTSUPP;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ /* be aware of params.vlan when changing code here */
+
+ err = rdev->ops->add_station(&rdev->wiphy, dev, mac_addr, ¶ms);
+
+ if (params.vlan)
+ dev_put(params.vlan);
+ return err;
+}
+
+static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ u8 *mac_addr = NULL;
+
+ if (info->attrs[NL80211_ATTR_MAC])
+ mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
+ return -EINVAL;
+
+ if (!rdev->ops->del_station)
+ return -EOPNOTSUPP;
+
+ return rdev->ops->del_station(&rdev->wiphy, dev, mac_addr);
+}
+
+static int nl80211_send_mpath(struct sk_buff *msg, u32 pid, u32 seq,
+ int flags, struct net_device *dev,
+ u8 *dst, u8 *next_hop,
+ struct mpath_info *pinfo)
+{
+ void *hdr;
+ struct nlattr *pinfoattr;
+
+ hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION);
+ if (!hdr)
+ return -1;
+
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst);
+ NLA_PUT(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop);
+
+ NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, pinfo->generation);
+
+ pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO);
+ if (!pinfoattr)
+ goto nla_put_failure;
+ if (pinfo->filled & MPATH_INFO_FRAME_QLEN)
+ NLA_PUT_U32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
+ pinfo->frame_qlen);
+ if (pinfo->filled & MPATH_INFO_SN)
+ NLA_PUT_U32(msg, NL80211_MPATH_INFO_SN,
+ pinfo->sn);
+ if (pinfo->filled & MPATH_INFO_METRIC)
+ NLA_PUT_U32(msg, NL80211_MPATH_INFO_METRIC,
+ pinfo->metric);
+ if (pinfo->filled & MPATH_INFO_EXPTIME)
+ NLA_PUT_U32(msg, NL80211_MPATH_INFO_EXPTIME,
+ pinfo->exptime);
+ if (pinfo->filled & MPATH_INFO_FLAGS)
+ NLA_PUT_U8(msg, NL80211_MPATH_INFO_FLAGS,
+ pinfo->flags);
+ if (pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT)
+ NLA_PUT_U32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
+ pinfo->discovery_timeout);
+ if (pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES)
+ NLA_PUT_U8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
+ pinfo->discovery_retries);
+
+ nla_nest_end(msg, pinfoattr);
+
+ return genlmsg_end(msg, hdr);
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ return -EMSGSIZE;
+}
+
+static int nl80211_dump_mpath(struct sk_buff *skb,
+ struct netlink_callback *cb)
+{
+ struct mpath_info pinfo;
+ struct cfg80211_registered_device *dev;
+ struct net_device *netdev;
+ u8 dst[ETH_ALEN];
+ u8 next_hop[ETH_ALEN];
+ int path_idx = cb->args[1];
+ int err;
+
+ err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev);
+ if (err)
+ return err;
+
+ if (!dev->ops->dump_mpath) {
+ err = -EOPNOTSUPP;
+ goto out_err;
+ }
+
+ if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) {
+ err = -EOPNOTSUPP;
+ goto out_err;
+ }
+
+ while (1) {
+ err = dev->ops->dump_mpath(&dev->wiphy, netdev, path_idx,
+ dst, next_hop, &pinfo);
+ if (err == -ENOENT)
+ break;
+ if (err)
+ goto out_err;
+
+ if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq, NLM_F_MULTI,
+ netdev, dst, next_hop,
+ &pinfo) < 0)
+ goto out;
+
+ path_idx++;
+ }
+
+
+ out:
+ cb->args[1] = path_idx;
+ err = skb->len;
+ out_err:
+ nl80211_finish_netdev_dump(dev);
+ return err;
+}
+
+static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ int err;
+ struct net_device *dev = info->user_ptr[1];
+ struct mpath_info pinfo;
+ struct sk_buff *msg;
+ u8 *dst = NULL;
+ u8 next_hop[ETH_ALEN];
+
+ memset(&pinfo, 0, sizeof(pinfo));
+
+ if (!info->attrs[NL80211_ATTR_MAC])
+ return -EINVAL;
+
+ dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
+
+ if (!rdev->ops->get_mpath)
+ return -EOPNOTSUPP;
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
+ return -EOPNOTSUPP;
+
+ err = rdev->ops->get_mpath(&rdev->wiphy, dev, dst, next_hop, &pinfo);
+ if (err)
+ return err;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+
+ if (nl80211_send_mpath(msg, info->snd_pid, info->snd_seq, 0,
+ dev, dst, next_hop, &pinfo) < 0) {
+ nlmsg_free(msg);
+ return -ENOBUFS;
+ }
+
+ return genlmsg_reply(msg, info);
+}
+
+static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ u8 *dst = NULL;
+ u8 *next_hop = NULL;
+
+ if (!info->attrs[NL80211_ATTR_MAC])
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
+ return -EINVAL;
+
+ dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
+ next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
+
+ if (!rdev->ops->change_mpath)
+ return -EOPNOTSUPP;
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
+ return -EOPNOTSUPP;
+
+ return rdev->ops->change_mpath(&rdev->wiphy, dev, dst, next_hop);
+}
+
+static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ u8 *dst = NULL;
+ u8 *next_hop = NULL;
+
+ if (!info->attrs[NL80211_ATTR_MAC])
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
+ return -EINVAL;
+
+ dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
+ next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
+
+ if (!rdev->ops->add_mpath)
+ return -EOPNOTSUPP;
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
+ return -EOPNOTSUPP;
+
+ return rdev->ops->add_mpath(&rdev->wiphy, dev, dst, next_hop);
+}
+
+static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ u8 *dst = NULL;
+
+ if (info->attrs[NL80211_ATTR_MAC])
+ dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
+
+ if (!rdev->ops->del_mpath)
+ return -EOPNOTSUPP;
+
+ return rdev->ops->del_mpath(&rdev->wiphy, dev, dst);
+}
+
+static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct bss_parameters params;
+
+ memset(¶ms, 0, sizeof(params));
+ /* default to not changing parameters */
+ params.use_cts_prot = -1;
+ params.use_short_preamble = -1;
+ params.use_short_slot_time = -1;
+ params.ap_isolate = -1;
+ params.ht_opmode = -1;
+
+ if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
+ params.use_cts_prot =
+ nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
+ if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
+ params.use_short_preamble =
+ nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
+ if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
+ params.use_short_slot_time =
+ nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
+ if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
+ params.basic_rates =
+ nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
+ params.basic_rates_len =
+ nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
+ }
+ if (info->attrs[NL80211_ATTR_AP_ISOLATE])
+ params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
+ if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
+ params.ht_opmode =
+ nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
+
+ if (!rdev->ops->change_bss)
+ return -EOPNOTSUPP;
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
+ return -EOPNOTSUPP;
+
+ return rdev->ops->change_bss(&rdev->wiphy, dev, ¶ms);
+}
+
+static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
+ [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
+ [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
+ [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
+ [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
+ [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
+ [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
+};
+
+static int parse_reg_rule(struct nlattr *tb[],
+ struct ieee80211_reg_rule *reg_rule)
+{
+ struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
+ struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
+
+ if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
+ return -EINVAL;
+ if (!tb[NL80211_ATTR_FREQ_RANGE_START])
+ return -EINVAL;
+ if (!tb[NL80211_ATTR_FREQ_RANGE_END])
+ return -EINVAL;
+ if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
+ return -EINVAL;
+ if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
+ return -EINVAL;
+
+ reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
+
+ freq_range->start_freq_khz =
+ nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
+ freq_range->end_freq_khz =
+ nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
+ freq_range->max_bandwidth_khz =
+ nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
+
+ power_rule->max_eirp =
+ nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
+
+ if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
+ power_rule->max_antenna_gain =
+ nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
+
+ return 0;
+}
+
+static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
+{
+ int r;
+ char *data = NULL;
+
+ /*
+ * You should only get this when cfg80211 hasn't yet initialized
+ * completely when built-in to the kernel right between the time
+ * window between nl80211_init() and regulatory_init(), if that is
+ * even possible.
+ */
+ mutex_lock(&cfg80211_mutex);
+ if (unlikely(!cfg80211_regdomain)) {
+ mutex_unlock(&cfg80211_mutex);
+ return -EINPROGRESS;
+ }
+ mutex_unlock(&cfg80211_mutex);
+
+ if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
+ return -EINVAL;
+
+ data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
+
+ r = regulatory_hint_user(data);
+
+ return r;
+}
+
+static int nl80211_get_mesh_config(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct mesh_config cur_params;
+ int err = 0;
+ void *hdr;
+ struct nlattr *pinfoattr;
+ struct sk_buff *msg;
+
+ if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
+ return -EOPNOTSUPP;
+
+ if (!rdev->ops->get_mesh_config)
+ return -EOPNOTSUPP;
+
+ wdev_lock(wdev);
+ /* If not connected, get default parameters */
+ if (!wdev->mesh_id_len)
+ memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
+ else
+ err = rdev->ops->get_mesh_config(&rdev->wiphy, dev,
+ &cur_params);
+ wdev_unlock(wdev);
+
+ if (err)
+ return err;
+
+ /* Draw up a netlink message to send back */
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+ hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
+ NL80211_CMD_GET_MESH_CONFIG);
+ if (!hdr)
+ goto out;
+ pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
+ if (!pinfoattr)
+ goto nla_put_failure;
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
+ NLA_PUT_U16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
+ cur_params.dot11MeshRetryTimeout);
+ NLA_PUT_U16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
+ cur_params.dot11MeshConfirmTimeout);
+ NLA_PUT_U16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
+ cur_params.dot11MeshHoldingTimeout);
+ NLA_PUT_U16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
+ cur_params.dot11MeshMaxPeerLinks);
+ NLA_PUT_U8(msg, NL80211_MESHCONF_MAX_RETRIES,
+ cur_params.dot11MeshMaxRetries);
+ NLA_PUT_U8(msg, NL80211_MESHCONF_TTL,
+ cur_params.dot11MeshTTL);
+ NLA_PUT_U8(msg, NL80211_MESHCONF_ELEMENT_TTL,
+ cur_params.element_ttl);
+ NLA_PUT_U8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
+ cur_params.auto_open_plinks);
+ NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
+ cur_params.dot11MeshHWMPmaxPREQretries);
+ NLA_PUT_U32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
+ cur_params.path_refresh_time);
+ NLA_PUT_U16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
+ cur_params.min_discovery_timeout);
+ NLA_PUT_U32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
+ cur_params.dot11MeshHWMPactivePathTimeout);
+ NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
+ cur_params.dot11MeshHWMPpreqMinInterval);
+ NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
+ cur_params.dot11MeshHWMPperrMinInterval);
+ NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
+ cur_params.dot11MeshHWMPnetDiameterTraversalTime);
+ NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
+ cur_params.dot11MeshHWMPRootMode);
+ NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
+ cur_params.dot11MeshHWMPRannInterval);
+ NLA_PUT_U8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
+ cur_params.dot11MeshGateAnnouncementProtocol);
+ NLA_PUT_U8(msg, NL80211_MESHCONF_FORWARDING,
+ cur_params.dot11MeshForwarding);
+ NLA_PUT_U32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
+ cur_params.rssi_threshold);
+ nla_nest_end(msg, pinfoattr);
+ genlmsg_end(msg, hdr);
+ return genlmsg_reply(msg, info);
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ out:
+ nlmsg_free(msg);
+ return -ENOBUFS;
+}
+
+static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
+ [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 },
+ [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 },
+ [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 },
+ [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 },
+ [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 },
+ [NL80211_MESHCONF_TTL] = { .type = NLA_U8 },
+ [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 },
+ [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 },
+
+ [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
+ [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
+ [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 },
+ [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
+ [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 },
+ [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 },
+ [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 },
+ [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 },
+ [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 },
+ [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 },
+ [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 },
+ [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32},
+};
+
+static const struct nla_policy
+ nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
+ [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
+ [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
+ [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
+ [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY,
+ .len = IEEE80211_MAX_DATA_LEN },
+ [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
+};
+
+static int nl80211_parse_mesh_config(struct genl_info *info,
+ struct mesh_config *cfg,
+ u32 *mask_out)
+{
+ struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
+ u32 mask = 0;
+
+#define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \
+do {\
+ if (table[attr_num]) {\
+ cfg->param = nla_fn(table[attr_num]); \
+ mask |= (1 << (attr_num - 1)); \
+ } \
+} while (0);\
+
+
+ if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
+ return -EINVAL;
+ if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX,
+ info->attrs[NL80211_ATTR_MESH_CONFIG],
+ nl80211_meshconf_params_policy))
+ return -EINVAL;
+
+ /* This makes sure that there aren't more than 32 mesh config
+ * parameters (otherwise our bitfield scheme would not work.) */
+ BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
+
+ /* Fill in the params struct */
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout,
+ mask, NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout,
+ mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, nla_get_u16);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout,
+ mask, NL80211_MESHCONF_HOLDING_TIMEOUT, nla_get_u16);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks,
+ mask, NL80211_MESHCONF_MAX_PEER_LINKS, nla_get_u16);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries,
+ mask, NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL,
+ mask, NL80211_MESHCONF_TTL, nla_get_u8);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl,
+ mask, NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks,
+ mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, nla_get_u8);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries,
+ mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
+ nla_get_u8);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time,
+ mask, NL80211_MESHCONF_PATH_REFRESH_TIME, nla_get_u32);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout,
+ mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
+ nla_get_u16);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
+ mask, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
+ nla_get_u32);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval,
+ mask, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
+ nla_get_u16);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval,
+ mask, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
+ nla_get_u16);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
+ dot11MeshHWMPnetDiameterTraversalTime,
+ mask, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
+ nla_get_u16);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
+ dot11MeshHWMPRootMode, mask,
+ NL80211_MESHCONF_HWMP_ROOTMODE,
+ nla_get_u8);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
+ dot11MeshHWMPRannInterval, mask,
+ NL80211_MESHCONF_HWMP_RANN_INTERVAL,
+ nla_get_u16);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
+ dot11MeshGateAnnouncementProtocol, mask,
+ NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
+ nla_get_u8);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding,
+ mask, NL80211_MESHCONF_FORWARDING, nla_get_u8);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold,
+ mask, NL80211_MESHCONF_RSSI_THRESHOLD, nla_get_u32);
+ if (mask_out)
+ *mask_out = mask;
+
+ return 0;
+
+#undef FILL_IN_MESH_PARAM_IF_SET
+}
+
+static int nl80211_parse_mesh_setup(struct genl_info *info,
+ struct mesh_setup *setup)
+{
+ struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
+
+ if (!info->attrs[NL80211_ATTR_MESH_SETUP])
+ return -EINVAL;
+ if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX,
+ info->attrs[NL80211_ATTR_MESH_SETUP],
+ nl80211_mesh_setup_params_policy))
+ return -EINVAL;
+
+ if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
+ setup->path_sel_proto =
+ (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
+ IEEE80211_PATH_PROTOCOL_VENDOR :
+ IEEE80211_PATH_PROTOCOL_HWMP;
+
+ if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
+ setup->path_metric =
+ (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
+ IEEE80211_PATH_METRIC_VENDOR :
+ IEEE80211_PATH_METRIC_AIRTIME;
+
+
+ if (tb[NL80211_MESH_SETUP_IE]) {
+ struct nlattr *ieattr =
+ tb[NL80211_MESH_SETUP_IE];
+ if (!is_valid_ie_attr(ieattr))
+ return -EINVAL;
+ setup->ie = nla_data(ieattr);
+ setup->ie_len = nla_len(ieattr);
+ }
+ setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
+ setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
+
+ return 0;
+}
+
+static int nl80211_update_mesh_config(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct mesh_config cfg;
+ u32 mask;
+ int err;
+
+ if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
+ return -EOPNOTSUPP;
+
+ if (!rdev->ops->update_mesh_config)
+ return -EOPNOTSUPP;
+
+ err = nl80211_parse_mesh_config(info, &cfg, &mask);
+ if (err)
+ return err;
+
+ wdev_lock(wdev);
+ if (!wdev->mesh_id_len)
+ err = -ENOLINK;
+
+ if (!err)
+ err = rdev->ops->update_mesh_config(&rdev->wiphy, dev,
+ mask, &cfg);
+
+ wdev_unlock(wdev);
+
+ return err;
+}
+
+static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info)
+{
+ struct sk_buff *msg;
+ void *hdr = NULL;
+ struct nlattr *nl_reg_rules;
+ unsigned int i;
+ int err = -EINVAL;
+
+ mutex_lock(&cfg80211_mutex);
+
+ if (!cfg80211_regdomain)
+ goto out;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg) {
+ err = -ENOBUFS;
+ goto out;
+ }
+
+ hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
+ NL80211_CMD_GET_REG);
+ if (!hdr)
+ goto put_failure;
+
+ NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2,
+ cfg80211_regdomain->alpha2);
+ if (cfg80211_regdomain->dfs_region)
+ NLA_PUT_U8(msg, NL80211_ATTR_DFS_REGION,
+ cfg80211_regdomain->dfs_region);
+
+ nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES);
+ if (!nl_reg_rules)
+ goto nla_put_failure;
+
+ for (i = 0; i < cfg80211_regdomain->n_reg_rules; i++) {
+ struct nlattr *nl_reg_rule;
+ const struct ieee80211_reg_rule *reg_rule;
+ const struct ieee80211_freq_range *freq_range;
+ const struct ieee80211_power_rule *power_rule;
+
+ reg_rule = &cfg80211_regdomain->reg_rules[i];
+ freq_range = ®_rule->freq_range;
+ power_rule = ®_rule->power_rule;
+
+ nl_reg_rule = nla_nest_start(msg, i);
+ if (!nl_reg_rule)
+ goto nla_put_failure;
+
+ NLA_PUT_U32(msg, NL80211_ATTR_REG_RULE_FLAGS,
+ reg_rule->flags);
+ NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_START,
+ freq_range->start_freq_khz);
+ NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_END,
+ freq_range->end_freq_khz);
+ NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
+ freq_range->max_bandwidth_khz);
+ NLA_PUT_U32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
+ power_rule->max_antenna_gain);
+ NLA_PUT_U32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
+ power_rule->max_eirp);
+
+ nla_nest_end(msg, nl_reg_rule);
+ }
+
+ nla_nest_end(msg, nl_reg_rules);
+
+ genlmsg_end(msg, hdr);
+ err = genlmsg_reply(msg, info);
+ goto out;
+
+nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+put_failure:
+ nlmsg_free(msg);
+ err = -EMSGSIZE;
+out:
+ mutex_unlock(&cfg80211_mutex);
+ return err;
+}
+
+static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
+{
+ struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
+ struct nlattr *nl_reg_rule;
+ char *alpha2 = NULL;
+ int rem_reg_rules = 0, r = 0;
+ u32 num_rules = 0, rule_idx = 0, size_of_regd;
+ u8 dfs_region = 0;
+ struct ieee80211_regdomain *rd = NULL;
+
+ if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_REG_RULES])
+ return -EINVAL;
+
+ alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
+
+ if (info->attrs[NL80211_ATTR_DFS_REGION])
+ dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
+
+ nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
+ rem_reg_rules) {
+ num_rules++;
+ if (num_rules > NL80211_MAX_SUPP_REG_RULES)
+ return -EINVAL;
+ }
+
+ mutex_lock(&cfg80211_mutex);
+
+ if (!reg_is_valid_request(alpha2)) {
+ r = -EINVAL;
+ goto bad_reg;
+ }
+
+ size_of_regd = sizeof(struct ieee80211_regdomain) +
+ (num_rules * sizeof(struct ieee80211_reg_rule));
+
+ rd = kzalloc(size_of_regd, GFP_KERNEL);
+ if (!rd) {
+ r = -ENOMEM;
+ goto bad_reg;
+ }
+
+ rd->n_reg_rules = num_rules;
+ rd->alpha2[0] = alpha2[0];
+ rd->alpha2[1] = alpha2[1];
+
+ /*
+ * Disable DFS master mode if the DFS region was
+ * not supported or known on this kernel.
+ */
+ if (reg_supported_dfs_region(dfs_region))
+ rd->dfs_region = dfs_region;
+
+ nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
+ rem_reg_rules) {
+ nla_parse(tb, NL80211_REG_RULE_ATTR_MAX,
+ nla_data(nl_reg_rule), nla_len(nl_reg_rule),
+ reg_rule_policy);
+ r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
+ if (r)
+ goto bad_reg;
+
+ rule_idx++;
+
+ if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
+ r = -EINVAL;
+ goto bad_reg;
+ }
+ }
+
+ BUG_ON(rule_idx != num_rules);
+
+ r = set_regdom(rd);
+
+ mutex_unlock(&cfg80211_mutex);
+
+ return r;
+
+ bad_reg:
+ mutex_unlock(&cfg80211_mutex);
+ kfree(rd);
+ return r;
+}
+
+static int validate_scan_freqs(struct nlattr *freqs)
+{
+ struct nlattr *attr1, *attr2;
+ int n_channels = 0, tmp1, tmp2;
+
+ nla_for_each_nested(attr1, freqs, tmp1) {
+ n_channels++;
+ /*
+ * Some hardware has a limited channel list for
+ * scanning, and it is pretty much nonsensical
+ * to scan for a channel twice, so disallow that
+ * and don't require drivers to check that the
+ * channel list they get isn't longer than what
+ * they can scan, as long as they can scan all
+ * the channels they registered at once.
+ */
+ nla_for_each_nested(attr2, freqs, tmp2)
+ if (attr1 != attr2 &&
+ nla_get_u32(attr1) == nla_get_u32(attr2))
+ return 0;
+ }
+
+ return n_channels;
+}
+
+static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct cfg80211_scan_request *request;
+ struct nlattr *attr;
+ struct wiphy *wiphy;
+ int err, tmp, n_ssids = 0, n_channels, i;
+ size_t ie_len;
+
+ if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
+ return -EINVAL;
+
+ wiphy = &rdev->wiphy;
+
+ if (!rdev->ops->scan)
+ return -EOPNOTSUPP;
+
+ if (rdev->scan_req)
+ return -EBUSY;
+
+ if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
+ n_channels = validate_scan_freqs(
+ info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
+ if (!n_channels)
+ return -EINVAL;
+ } else {
+ enum ieee80211_band band;
+ n_channels = 0;
+
+ for (band = 0; band < IEEE80211_NUM_BANDS; band++)
+ if (wiphy->bands[band])
+ n_channels += wiphy->bands[band]->n_channels;
+ }
+
+ if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
+ nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
+ n_ssids++;
+
+ if (n_ssids > wiphy->max_scan_ssids)
+ return -EINVAL;
+
+ if (info->attrs[NL80211_ATTR_IE])
+ ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+ else
+ ie_len = 0;
+
+ if (ie_len > wiphy->max_scan_ie_len)
+ return -EINVAL;
+
+ request = kzalloc(sizeof(*request)
+ + sizeof(*request->ssids) * n_ssids
+ + sizeof(*request->channels) * n_channels
+ + ie_len, GFP_KERNEL);
+ if (!request)
+ return -ENOMEM;
+
+ if (n_ssids)
+ request->ssids = (void *)&request->channels[n_channels];
+ request->n_ssids = n_ssids;
+ if (ie_len) {
+ if (request->ssids)
+ request->ie = (void *)(request->ssids + n_ssids);
+ else
+ request->ie = (void *)(request->channels + n_channels);
+ }
+
+ i = 0;
+ if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
+ /* user specified, bail out if channel not found */
+ nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
+ struct ieee80211_channel *chan;
+
+ chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
+
+ if (!chan) {
+ err = -EINVAL;
+ goto out_free;
+ }
+
+ /* ignore disabled channels */
+ if (chan->flags & IEEE80211_CHAN_DISABLED)
+ continue;
+
+ request->channels[i] = chan;
+ i++;
+ }
+ } else {
+ enum ieee80211_band band;
+
+ /* all channels */
+ for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
+ int j;
+ if (!wiphy->bands[band])
+ continue;
+ for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
+ struct ieee80211_channel *chan;
+
+ chan = &wiphy->bands[band]->channels[j];
+
+ if (chan->flags & IEEE80211_CHAN_DISABLED)
+ continue;
+
+ request->channels[i] = chan;
+ i++;
+ }
+ }
+ }
+
+ if (!i) {
+ err = -EINVAL;
+ goto out_free;
+ }
+
+ request->n_channels = i;
+
+ i = 0;
+ if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) {
+ nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
+ if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
+ err = -EINVAL;
+ goto out_free;
+ }
+ request->ssids[i].ssid_len = nla_len(attr);
+ memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
+ i++;
+ }
+ }
+
+ if (info->attrs[NL80211_ATTR_IE]) {
+ request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+ memcpy((void *)request->ie,
+ nla_data(info->attrs[NL80211_ATTR_IE]),
+ request->ie_len);
+ }
+
+ for (i = 0; i < IEEE80211_NUM_BANDS; i++)
+ if (wiphy->bands[i])
+ request->rates[i] =
+ (1 << wiphy->bands[i]->n_bitrates) - 1;
+
+ if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
+ nla_for_each_nested(attr,
+ info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
+ tmp) {
+ enum ieee80211_band band = nla_type(attr);
+
+ if (band < 0 || band >= IEEE80211_NUM_BANDS) {
+ err = -EINVAL;
+ goto out_free;
+ }
+ err = ieee80211_get_ratemask(wiphy->bands[band],
+ nla_data(attr),
+ nla_len(attr),
+ &request->rates[band]);
+ if (err)
+ goto out_free;
+ }
+ }
+
+ request->no_cck =
+ nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
+
+ request->dev = dev;
+ request->wiphy = &rdev->wiphy;
+
+ rdev->scan_req = request;
+ err = rdev->ops->scan(&rdev->wiphy, dev, request);
+
+ if (!err) {
+ nl80211_send_scan_start(rdev, dev);
+ dev_hold(dev);
+ } else {
+ out_free:
+ rdev->scan_req = NULL;
+ kfree(request);
+ }
+
+ return err;
+}
+
+static int nl80211_start_sched_scan(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct cfg80211_sched_scan_request *request;
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct nlattr *attr;
+ struct wiphy *wiphy;
+ int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i;
+ u32 interval;
+ enum ieee80211_band band;
+ size_t ie_len;
+ struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
+
+ if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
+ !rdev->ops->sched_scan_start)
+ return -EOPNOTSUPP;
+
+ if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
+ return -EINVAL;
+
+ interval = nla_get_u32(info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
+ if (interval == 0)
+ return -EINVAL;
+
+ wiphy = &rdev->wiphy;
+
+ if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
+ n_channels = validate_scan_freqs(
+ info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
+ if (!n_channels)
+ return -EINVAL;
+ } else {
+ n_channels = 0;
+
+ for (band = 0; band < IEEE80211_NUM_BANDS; band++)
+ if (wiphy->bands[band])
+ n_channels += wiphy->bands[band]->n_channels;
+ }
+
+ if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
+ nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS],
+ tmp)
+ n_ssids++;
+
+ if (n_ssids > wiphy->max_sched_scan_ssids)
+ return -EINVAL;
+
+ if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH])
+ nla_for_each_nested(attr,
+ info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
+ tmp)
+ n_match_sets++;
+
+ if (n_match_sets > wiphy->max_match_sets)
+ return -EINVAL;
+
+ if (info->attrs[NL80211_ATTR_IE])
+ ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+ else
+ ie_len = 0;
+
+ if (ie_len > wiphy->max_sched_scan_ie_len)
+ return -EINVAL;
+
+ mutex_lock(&rdev->sched_scan_mtx);
+
+ if (rdev->sched_scan_req) {
+ err = -EINPROGRESS;
+ goto out;
+ }
+
+ request = kzalloc(sizeof(*request)
+ + sizeof(*request->ssids) * n_ssids
+ + sizeof(*request->match_sets) * n_match_sets
+ + sizeof(*request->channels) * n_channels
+ + ie_len, GFP_KERNEL);
+ if (!request) {
+ err = -ENOMEM;
+ goto out;
+ }
+
+ if (n_ssids)
+ request->ssids = (void *)&request->channels[n_channels];
+ request->n_ssids = n_ssids;
+ if (ie_len) {
+ if (request->ssids)
+ request->ie = (void *)(request->ssids + n_ssids);
+ else
+ request->ie = (void *)(request->channels + n_channels);
+ }
+
+ if (n_match_sets) {
+ if (request->ie)
+ request->match_sets = (void *)(request->ie + ie_len);
+ else if (request->ssids)
+ request->match_sets =
+ (void *)(request->ssids + n_ssids);
+ else
+ request->match_sets =
+ (void *)(request->channels + n_channels);
+ }
+ request->n_match_sets = n_match_sets;
+
+ i = 0;
+ if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
+ /* user specified, bail out if channel not found */
+ nla_for_each_nested(attr,
+ info->attrs[NL80211_ATTR_SCAN_FREQUENCIES],
+ tmp) {
+ struct ieee80211_channel *chan;
+
+ chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
+
+ if (!chan) {
+ err = -EINVAL;
+ goto out_free;
+ }
+
+ /* ignore disabled channels */
+ if (chan->flags & IEEE80211_CHAN_DISABLED)
+ continue;
+
+ request->channels[i] = chan;
+ i++;
+ }
+ } else {
+ /* all channels */
+ for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
+ int j;
+ if (!wiphy->bands[band])
+ continue;
+ for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
+ struct ieee80211_channel *chan;
+
+ chan = &wiphy->bands[band]->channels[j];
+
+ if (chan->flags & IEEE80211_CHAN_DISABLED)
+ continue;
+
+ request->channels[i] = chan;
+ i++;
+ }
+ }
+ }
+
+ if (!i) {
+ err = -EINVAL;
+ goto out_free;
+ }
+
+ request->n_channels = i;
+
+ i = 0;
+ if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) {
+ nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS],
+ tmp) {
+ if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
+ err = -EINVAL;
+ goto out_free;
+ }
+ request->ssids[i].ssid_len = nla_len(attr);
+ memcpy(request->ssids[i].ssid, nla_data(attr),
+ nla_len(attr));
+ i++;
+ }
+ }
+
+ i = 0;
+ if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
+ nla_for_each_nested(attr,
+ info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
+ tmp) {
+ struct nlattr *ssid;
+
+ nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
+ nla_data(attr), nla_len(attr),
+ nl80211_match_policy);
+ ssid = tb[NL80211_ATTR_SCHED_SCAN_MATCH_SSID];
+ if (ssid) {
+ if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
+ err = -EINVAL;
+ goto out_free;
+ }
+ memcpy(request->match_sets[i].ssid.ssid,
+ nla_data(ssid), nla_len(ssid));
+ request->match_sets[i].ssid.ssid_len =
+ nla_len(ssid);
+ }
+ i++;
+ }
+ }
+
+ if (info->attrs[NL80211_ATTR_IE]) {
+ request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+ memcpy((void *)request->ie,
+ nla_data(info->attrs[NL80211_ATTR_IE]),
+ request->ie_len);
+ }
+
+ request->dev = dev;
+ request->wiphy = &rdev->wiphy;
+ request->interval = interval;
+
+ err = rdev->ops->sched_scan_start(&rdev->wiphy, dev, request);
+ if (!err) {
+ rdev->sched_scan_req = request;
+ nl80211_send_sched_scan(rdev, dev,
+ NL80211_CMD_START_SCHED_SCAN);
+ goto out;
+ }
+
+out_free:
+ kfree(request);
+out:
+ mutex_unlock(&rdev->sched_scan_mtx);
+ return err;
+}
+
+static int nl80211_stop_sched_scan(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ int err;
+
+ if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
+ !rdev->ops->sched_scan_stop)
+ return -EOPNOTSUPP;
+
+ mutex_lock(&rdev->sched_scan_mtx);
+ err = __cfg80211_stop_sched_scan(rdev, false);
+ mutex_unlock(&rdev->sched_scan_mtx);
+
+ return err;
+}
+
+static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
+ u32 seq, int flags,
+ struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev,
+ struct cfg80211_internal_bss *intbss)
+{
+ struct cfg80211_bss *res = &intbss->pub;
+ void *hdr;
+ struct nlattr *bss;
+
+ ASSERT_WDEV_LOCK(wdev);
+
+ hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).pid, seq, flags,
+ NL80211_CMD_NEW_SCAN_RESULTS);
+ if (!hdr)
+ return -1;
+
+ genl_dump_check_consistent(cb, hdr, &nl80211_fam);
+
+ NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex);
+
+ bss = nla_nest_start(msg, NL80211_ATTR_BSS);
+ if (!bss)
+ goto nla_put_failure;
+ if (!is_zero_ether_addr(res->bssid))
+ NLA_PUT(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid);
+ if (res->information_elements && res->len_information_elements)
+ NLA_PUT(msg, NL80211_BSS_INFORMATION_ELEMENTS,
+ res->len_information_elements,
+ res->information_elements);
+ if (res->beacon_ies && res->len_beacon_ies &&
+ res->beacon_ies != res->information_elements)
+ NLA_PUT(msg, NL80211_BSS_BEACON_IES,
+ res->len_beacon_ies, res->beacon_ies);
+ if (res->tsf)
+ NLA_PUT_U64(msg, NL80211_BSS_TSF, res->tsf);
+ if (res->beacon_interval)
+ NLA_PUT_U16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval);
+ NLA_PUT_U16(msg, NL80211_BSS_CAPABILITY, res->capability);
+ NLA_PUT_U32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq);
+ NLA_PUT_U32(msg, NL80211_BSS_SEEN_MS_AGO,
+ jiffies_to_msecs(jiffies - intbss->ts));
+
+ switch (rdev->wiphy.signal_type) {
+ case CFG80211_SIGNAL_TYPE_MBM:
+ NLA_PUT_U32(msg, NL80211_BSS_SIGNAL_MBM, res->signal);
+ break;
+ case CFG80211_SIGNAL_TYPE_UNSPEC:
+ NLA_PUT_U8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal);
+ break;
+ default:
+ break;
+ }
+
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_P2P_CLIENT:
+ case NL80211_IFTYPE_STATION:
+ if (intbss == wdev->current_bss)
+ NLA_PUT_U32(msg, NL80211_BSS_STATUS,
+ NL80211_BSS_STATUS_ASSOCIATED);
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ if (intbss == wdev->current_bss)
+ NLA_PUT_U32(msg, NL80211_BSS_STATUS,
+ NL80211_BSS_STATUS_IBSS_JOINED);
+ break;
+ default:
+ break;
+ }
+
+ nla_nest_end(msg, bss);
+
+ return genlmsg_end(msg, hdr);
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ return -EMSGSIZE;
+}
+
+static int nl80211_dump_scan(struct sk_buff *skb,
+ struct netlink_callback *cb)
+{
+ struct cfg80211_registered_device *rdev;
+ struct net_device *dev;
+ struct cfg80211_internal_bss *scan;
+ struct wireless_dev *wdev;
+ int start = cb->args[1], idx = 0;
+ int err;
+
+ err = nl80211_prepare_netdev_dump(skb, cb, &rdev, &dev);
+ if (err)
+ return err;
+
+ wdev = dev->ieee80211_ptr;
+
+ wdev_lock(wdev);
+ spin_lock_bh(&rdev->bss_lock);
+ cfg80211_bss_expire(rdev);
+
+ cb->seq = rdev->bss_generation;
+
+ list_for_each_entry(scan, &rdev->bss_list, list) {
+ if (++idx <= start)
+ continue;
+ if (nl80211_send_bss(skb, cb,
+ cb->nlh->nlmsg_seq, NLM_F_MULTI,
+ rdev, wdev, scan) < 0) {
+ idx--;
+ break;
+ }
+ }
+
+ spin_unlock_bh(&rdev->bss_lock);
+ wdev_unlock(wdev);
+
+ cb->args[1] = idx;
+ nl80211_finish_netdev_dump(rdev);
+
+ return skb->len;
+}
+
+static int nl80211_send_survey(struct sk_buff *msg, u32 pid, u32 seq,
+ int flags, struct net_device *dev,
+ struct survey_info *survey)
+{
+ void *hdr;
+ struct nlattr *infoattr;
+
+ hdr = nl80211hdr_put(msg, pid, seq, flags,
+ NL80211_CMD_NEW_SURVEY_RESULTS);
+ if (!hdr)
+ return -ENOMEM;
+
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
+
+ infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO);
+ if (!infoattr)
+ goto nla_put_failure;
+
+ NLA_PUT_U32(msg, NL80211_SURVEY_INFO_FREQUENCY,
+ survey->channel->center_freq);
+ if (survey->filled & SURVEY_INFO_NOISE_DBM)
+ NLA_PUT_U8(msg, NL80211_SURVEY_INFO_NOISE,
+ survey->noise);
+ if (survey->filled & SURVEY_INFO_IN_USE)
+ NLA_PUT_FLAG(msg, NL80211_SURVEY_INFO_IN_USE);
+ if (survey->filled & SURVEY_INFO_CHANNEL_TIME)
+ NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME,
+ survey->channel_time);
+ if (survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
+ NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY,
+ survey->channel_time_busy);
+ if (survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
+ NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY,
+ survey->channel_time_ext_busy);
+ if (survey->filled & SURVEY_INFO_CHANNEL_TIME_RX)
+ NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX,
+ survey->channel_time_rx);
+ if (survey->filled & SURVEY_INFO_CHANNEL_TIME_TX)
+ NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX,
+ survey->channel_time_tx);
+
+ nla_nest_end(msg, infoattr);
+
+ return genlmsg_end(msg, hdr);
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ return -EMSGSIZE;
+}
+
+static int nl80211_dump_survey(struct sk_buff *skb,
+ struct netlink_callback *cb)
+{
+ struct survey_info survey;
+ struct cfg80211_registered_device *dev;
+ struct net_device *netdev;
+ int survey_idx = cb->args[1];
+ int res;
+
+ res = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev);
+ if (res)
+ return res;
+
+ if (!dev->ops->dump_survey) {
+ res = -EOPNOTSUPP;
+ goto out_err;
+ }
+
+ while (1) {
+ struct ieee80211_channel *chan;
+
+ res = dev->ops->dump_survey(&dev->wiphy, netdev, survey_idx,
+ &survey);
+ if (res == -ENOENT)
+ break;
+ if (res)
+ goto out_err;
+
+ /* Survey without a channel doesn't make sense */
+ if (!survey.channel) {
+ res = -EINVAL;
+ goto out;
+ }
+
+ chan = ieee80211_get_channel(&dev->wiphy,
+ survey.channel->center_freq);
+ if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) {
+ survey_idx++;
+ continue;
+ }
+
+ if (nl80211_send_survey(skb,
+ NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq, NLM_F_MULTI,
+ netdev,
+ &survey) < 0)
+ goto out;
+ survey_idx++;
+ }
+
+ out:
+ cb->args[1] = survey_idx;
+ res = skb->len;
+ out_err:
+ nl80211_finish_netdev_dump(dev);
+ return res;
+}
+
+static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type)
+{
+ return auth_type <= NL80211_AUTHTYPE_MAX;
+}
+
+static bool nl80211_valid_wpa_versions(u32 wpa_versions)
+{
+ return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
+ NL80211_WPA_VERSION_2));
+}
+
+static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct ieee80211_channel *chan;
+ const u8 *bssid, *ssid, *ie = NULL;
+ int err, ssid_len, ie_len = 0;
+ enum nl80211_auth_type auth_type;
+ struct key_parse key;
+ bool local_state_change;
+
+ if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_MAC])
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_SSID])
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
+ return -EINVAL;
+
+ err = nl80211_parse_key(info, &key);
+ if (err)
+ return err;
+
+ if (key.idx >= 0) {
+ if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
+ return -EINVAL;
+ if (!key.p.key || !key.p.key_len)
+ return -EINVAL;
+ if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
+ key.p.key_len != WLAN_KEY_LEN_WEP40) &&
+ (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
+ key.p.key_len != WLAN_KEY_LEN_WEP104))
+ return -EINVAL;
+ if (key.idx > 4)
+ return -EINVAL;
+ } else {
+ key.p.key_len = 0;
+ key.p.key = NULL;
+ }
+
+ if (key.idx >= 0) {
+ int i;
+ bool ok = false;
+ for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
+ if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
+ ok = true;
+ break;
+ }
+ }
+ if (!ok)
+ return -EINVAL;
+ }
+
+ if (!rdev->ops->auth)
+ return -EOPNOTSUPP;
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
+ return -EOPNOTSUPP;
+
+ bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
+ chan = ieee80211_get_channel(&rdev->wiphy,
+ nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
+ if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED))
+ return -EINVAL;
+
+ ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
+ ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
+
+ if (info->attrs[NL80211_ATTR_IE]) {
+ ie = nla_data(info->attrs[NL80211_ATTR_IE]);
+ ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+ }
+
+ auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
+ if (!nl80211_valid_auth_type(auth_type))
+ return -EINVAL;
+
+ local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
+
+ /*
+ * Since we no longer track auth state, ignore
+ * requests to only change local state.
+ */
+ if (local_state_change)
+ return 0;
+
+ return cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
+ ssid, ssid_len, ie, ie_len,
+ key.p.key, key.p.key_len, key.idx);
+}
+
+static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
+ struct genl_info *info,
+ struct cfg80211_crypto_settings *settings,
+ int cipher_limit)
+{
+ memset(settings, 0, sizeof(*settings));
+
+ settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
+
+ if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
+ u16 proto;
+ proto = nla_get_u16(
+ info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
+ settings->control_port_ethertype = cpu_to_be16(proto);
+ if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
+ proto != ETH_P_PAE)
+ return -EINVAL;
+ if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
+ settings->control_port_no_encrypt = true;
+ } else
+ settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
+
+ if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
+ void *data;
+ int len, i;
+
+ data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
+ len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
+ settings->n_ciphers_pairwise = len / sizeof(u32);
+
+ if (len % sizeof(u32))
+ return -EINVAL;
+
+ if (settings->n_ciphers_pairwise > cipher_limit)
+ return -EINVAL;
+
+ memcpy(settings->ciphers_pairwise, data, len);
+
+ for (i = 0; i < settings->n_ciphers_pairwise; i++)
+ if (!cfg80211_supported_cipher_suite(
+ &rdev->wiphy,
+ settings->ciphers_pairwise[i]))
+ return -EINVAL;
+ }
+
+ if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
+ settings->cipher_group =
+ nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
+ if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
+ settings->cipher_group))
+ return -EINVAL;
+ }
+
+ if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
+ settings->wpa_versions =
+ nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
+ if (!nl80211_valid_wpa_versions(settings->wpa_versions))
+ return -EINVAL;
+ }
+
+ if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
+ void *data;
+ int len;
+
+ data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
+ len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
+ settings->n_akm_suites = len / sizeof(u32);
+
+ if (len % sizeof(u32))
+ return -EINVAL;
+
+ if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
+ return -EINVAL;
+
+ memcpy(settings->akm_suites, data, len);
+ }
+
+ return 0;
+}
+
+static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct cfg80211_crypto_settings crypto;
+ struct ieee80211_channel *chan;
+ const u8 *bssid, *ssid, *ie = NULL, *prev_bssid = NULL;
+ int err, ssid_len, ie_len = 0;
+ bool use_mfp = false;
+ u32 flags = 0;
+ struct ieee80211_ht_cap *ht_capa = NULL;
+ struct ieee80211_ht_cap *ht_capa_mask = NULL;
+
+ if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_MAC] ||
+ !info->attrs[NL80211_ATTR_SSID] ||
+ !info->attrs[NL80211_ATTR_WIPHY_FREQ])
+ return -EINVAL;
+
+ if (!rdev->ops->assoc)
+ return -EOPNOTSUPP;
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
+ return -EOPNOTSUPP;
+
+ bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
+
+ chan = ieee80211_get_channel(&rdev->wiphy,
+ nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
+ if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED))
+ return -EINVAL;
+
+ ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
+ ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
+
+ if (info->attrs[NL80211_ATTR_IE]) {
+ ie = nla_data(info->attrs[NL80211_ATTR_IE]);
+ ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+ }
+
+ if (info->attrs[NL80211_ATTR_USE_MFP]) {
+ enum nl80211_mfp mfp =
+ nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
+ if (mfp == NL80211_MFP_REQUIRED)
+ use_mfp = true;
+ else if (mfp != NL80211_MFP_NO)
+ return -EINVAL;
+ }
+
+ if (info->attrs[NL80211_ATTR_PREV_BSSID])
+ prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
+
+ if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
+ flags |= ASSOC_REQ_DISABLE_HT;
+
+ if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
+ ht_capa_mask =
+ nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]);
+
+ if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
+ if (!ht_capa_mask)
+ return -EINVAL;
+ ht_capa = nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
+ }
+
+ err = nl80211_crypto_settings(rdev, info, &crypto, 1);
+ if (!err)
+ err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, prev_bssid,
+ ssid, ssid_len, ie, ie_len, use_mfp,
+ &crypto, flags, ht_capa,
+ ht_capa_mask);
+
+ return err;
+}
+
+static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ const u8 *ie = NULL, *bssid;
+ int ie_len = 0;
+ u16 reason_code;
+ bool local_state_change;
+
+ if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_MAC])
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_REASON_CODE])
+ return -EINVAL;
+
+ if (!rdev->ops->deauth)
+ return -EOPNOTSUPP;
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
+ return -EOPNOTSUPP;
+
+ bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
+
+ reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
+ if (reason_code == 0) {
+ /* Reason Code 0 is reserved */
+ return -EINVAL;
+ }
+
+ if (info->attrs[NL80211_ATTR_IE]) {
+ ie = nla_data(info->attrs[NL80211_ATTR_IE]);
+ ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+ }
+
+ local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
+
+ return cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
+ local_state_change);
+}
+
+static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ const u8 *ie = NULL, *bssid;
+ int ie_len = 0;
+ u16 reason_code;
+ bool local_state_change;
+
+ if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_MAC])
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_REASON_CODE])
+ return -EINVAL;
+
+ if (!rdev->ops->disassoc)
+ return -EOPNOTSUPP;
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
+ return -EOPNOTSUPP;
+
+ bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
+
+ reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
+ if (reason_code == 0) {
+ /* Reason Code 0 is reserved */
+ return -EINVAL;
+ }
+
+ if (info->attrs[NL80211_ATTR_IE]) {
+ ie = nla_data(info->attrs[NL80211_ATTR_IE]);
+ ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+ }
+
+ local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
+
+ return cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
+ local_state_change);
+}
+
+static bool
+nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
+ int mcast_rate[IEEE80211_NUM_BANDS],
+ int rateval)
+{
+ struct wiphy *wiphy = &rdev->wiphy;
+ bool found = false;
+ int band, i;
+
+ for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
+ struct ieee80211_supported_band *sband;
+
+ sband = wiphy->bands[band];
+ if (!sband)
+ continue;
+
+ for (i = 0; i < sband->n_bitrates; i++) {
+ if (sband->bitrates[i].bitrate == rateval) {
+ mcast_rate[band] = i + 1;
+ found = true;
+ break;
+ }
+ }
+ }
+
+ return found;
+}
+
+static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct cfg80211_ibss_params ibss;
+ struct wiphy *wiphy;
+ struct cfg80211_cached_keys *connkeys = NULL;
+ int err;
+
+ memset(&ibss, 0, sizeof(ibss));
+
+ if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
+ !info->attrs[NL80211_ATTR_SSID] ||
+ !nla_len(info->attrs[NL80211_ATTR_SSID]))
+ return -EINVAL;
+
+ ibss.beacon_interval = 100;
+
+ if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
+ ibss.beacon_interval =
+ nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
+ if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000)
+ return -EINVAL;
+ }
+
+ if (!rdev->ops->join_ibss)
+ return -EOPNOTSUPP;
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
+ return -EOPNOTSUPP;
+
+ wiphy = &rdev->wiphy;
+
+ if (info->attrs[NL80211_ATTR_MAC]) {
+ ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
+
+ if (!is_valid_ether_addr(ibss.bssid))
+ return -EINVAL;
+ }
+ ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
+ ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
+
+ if (info->attrs[NL80211_ATTR_IE]) {
+ ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
+ ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+ }
+
+ if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
+ enum nl80211_channel_type channel_type;
+
+ channel_type = nla_get_u32(
+ info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
+ if (channel_type != NL80211_CHAN_NO_HT &&
+ channel_type != NL80211_CHAN_HT20 &&
+ channel_type != NL80211_CHAN_HT40MINUS &&
+ channel_type != NL80211_CHAN_HT40PLUS)
+ return -EINVAL;
+
+ if (channel_type != NL80211_CHAN_NO_HT &&
+ !(wiphy->features & NL80211_FEATURE_HT_IBSS))
+ return -EINVAL;
+
+ ibss.channel_type = channel_type;
+ } else {
+ ibss.channel_type = NL80211_CHAN_NO_HT;
+ }
+
+ ibss.channel = rdev_freq_to_chan(rdev,
+ nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]),
+ ibss.channel_type);
+ if (!ibss.channel ||
+ ibss.channel->flags & IEEE80211_CHAN_NO_IBSS ||
+ ibss.channel->flags & IEEE80211_CHAN_DISABLED)
+ return -EINVAL;
+
+ /* Both channels should be able to initiate communication */
+ if ((ibss.channel_type == NL80211_CHAN_HT40PLUS ||
+ ibss.channel_type == NL80211_CHAN_HT40MINUS) &&
+ !cfg80211_can_beacon_sec_chan(&rdev->wiphy, ibss.channel,
+ ibss.channel_type))
+ return -EINVAL;
+
+ ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
+ ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
+
+ if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
+ u8 *rates =
+ nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
+ int n_rates =
+ nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
+ struct ieee80211_supported_band *sband =
+ wiphy->bands[ibss.channel->band];
+
+ err = ieee80211_get_ratemask(sband, rates, n_rates,
+ &ibss.basic_rates);
+ if (err)
+ return err;
+ }
+
+ if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
+ !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
+ nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
+ return -EINVAL;
+
+ if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
+ connkeys = nl80211_parse_connkeys(rdev,
+ info->attrs[NL80211_ATTR_KEYS]);
+ if (IS_ERR(connkeys))
+ return PTR_ERR(connkeys);
+ }
+
+ ibss.control_port =
+ nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
+
+ err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
+ if (err)
+ kfree(connkeys);
+#if defined(CONFIG_AIC8800)
+ else if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
+ printk("lemon %s sock_ow\n", __func__);
+ //dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
+ dev->ieee80211_ptr->conn_owner_nlportid = info->snd_pid;
+ }
+#endif
+ return err;
+}
+
+static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+
+ if (!rdev->ops->leave_ibss)
+ return -EOPNOTSUPP;
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
+ return -EOPNOTSUPP;
+
+ return cfg80211_leave_ibss(rdev, dev, false);
+}
+
+#ifdef CONFIG_NL80211_TESTMODE
+static struct genl_multicast_group nl80211_testmode_mcgrp = {
+ .name = "testmode",
+};
+
+static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ int err;
+
+ if (!info->attrs[NL80211_ATTR_TESTDATA])
+ return -EINVAL;
+
+ err = -EOPNOTSUPP;
+ if (rdev->ops->testmode_cmd) {
+ rdev->testmode_info = info;
+ err = rdev->ops->testmode_cmd(&rdev->wiphy,
+ nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
+ nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
+ rdev->testmode_info = NULL;
+ }
+
+ return err;
+}
+
+static int nl80211_testmode_dump(struct sk_buff *skb,
+ struct netlink_callback *cb)
+{
+ struct cfg80211_registered_device *rdev;
+ int err;
+ long phy_idx;
+ void *data = NULL;
+ int data_len = 0;
+
+ if (cb->args[0]) {
+ /*
+ * 0 is a valid index, but not valid for args[0],
+ * so we need to offset by 1.
+ */
+ phy_idx = cb->args[0] - 1;
+ } else {
+ err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
+ nl80211_fam.attrbuf, nl80211_fam.maxattr,
+ nl80211_policy);
+ if (err)
+ return err;
+ if (nl80211_fam.attrbuf[NL80211_ATTR_WIPHY]) {
+ phy_idx = nla_get_u32(
+ nl80211_fam.attrbuf[NL80211_ATTR_WIPHY]);
+ } else {
+ struct net_device *netdev;
+
+ err = get_rdev_dev_by_ifindex(sock_net(skb->sk),
+ nl80211_fam.attrbuf,
+ &rdev, &netdev);
+ if (err)
+ return err;
+ dev_put(netdev);
+ phy_idx = rdev->wiphy_idx;
+ cfg80211_unlock_rdev(rdev);
+ }
+ if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA])
+ cb->args[1] =
+ (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA];
+ }
+
+ if (cb->args[1]) {
+ data = nla_data((void *)cb->args[1]);
+ data_len = nla_len((void *)cb->args[1]);
+ }
+
+ mutex_lock(&cfg80211_mutex);
+ rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
+ if (!rdev) {
+ mutex_unlock(&cfg80211_mutex);
+ return -ENOENT;
+ }
+ cfg80211_lock_rdev(rdev);
+ mutex_unlock(&cfg80211_mutex);
+
+ if (!rdev->ops->testmode_dump) {
+ err = -EOPNOTSUPP;
+ goto out_err;
+ }
+
+ while (1) {
+ void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq, NLM_F_MULTI,
+ NL80211_CMD_TESTMODE);
+ struct nlattr *tmdata;
+
+ if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx) < 0) {
+ genlmsg_cancel(skb, hdr);
+ break;
+ }
+
+ tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA);
+ if (!tmdata) {
+ genlmsg_cancel(skb, hdr);
+ break;
+ }
+ err = rdev->ops->testmode_dump(&rdev->wiphy, skb, cb,
+ data, data_len);
+ nla_nest_end(skb, tmdata);
+
+ if (err == -ENOBUFS || err == -ENOENT) {
+ genlmsg_cancel(skb, hdr);
+ break;
+ } else if (err) {
+ genlmsg_cancel(skb, hdr);
+ goto out_err;
+ }
+
+ genlmsg_end(skb, hdr);
+ }
+
+ err = skb->len;
+ /* see above */
+ cb->args[0] = phy_idx + 1;
+ out_err:
+ cfg80211_unlock_rdev(rdev);
+ return err;
+}
+
+static struct sk_buff *
+__cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev,
+ int approxlen, u32 pid, u32 seq, gfp_t gfp)
+{
+ struct sk_buff *skb;
+ void *hdr;
+ struct nlattr *data;
+
+ skb = nlmsg_new(approxlen + 100, gfp);
+ if (!skb)
+ return NULL;
+
+ hdr = nl80211hdr_put(skb, pid, seq, 0, NL80211_CMD_TESTMODE);
+ if (!hdr) {
+ kfree_skb(skb);
+ return NULL;
+ }
+
+ NLA_PUT_U32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ data = nla_nest_start(skb, NL80211_ATTR_TESTDATA);
+
+ ((void **)skb->cb)[0] = rdev;
+ ((void **)skb->cb)[1] = hdr;
+ ((void **)skb->cb)[2] = data;
+
+ return skb;
+
+ nla_put_failure:
+ kfree_skb(skb);
+ return NULL;
+}
+
+struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy,
+ int approxlen)
+{
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+ if (WARN_ON(!rdev->testmode_info))
+ return NULL;
+
+ return __cfg80211_testmode_alloc_skb(rdev, approxlen,
+ rdev->testmode_info->snd_pid,
+ rdev->testmode_info->snd_seq,
+ GFP_KERNEL);
+}
+EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb);
+
+int cfg80211_testmode_reply(struct sk_buff *skb)
+{
+ struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
+ void *hdr = ((void **)skb->cb)[1];
+ struct nlattr *data = ((void **)skb->cb)[2];
+
+ /* clear CB data for netlink core to own from now on */
+ memset(skb->cb, 0, sizeof(skb->cb));
+
+ if (WARN_ON(!rdev->testmode_info)) {
+ kfree_skb(skb);
+ return -EINVAL;
+ }
+
+ nla_nest_end(skb, data);
+ genlmsg_end(skb, hdr);
+ return genlmsg_reply(skb, rdev->testmode_info);
+}
+EXPORT_SYMBOL(cfg80211_testmode_reply);
+
+struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy,
+ int approxlen, gfp_t gfp)
+{
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+ return __cfg80211_testmode_alloc_skb(rdev, approxlen, 0, 0, gfp);
+}
+EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb);
+
+void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp)
+{
+ struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
+ void *hdr = ((void **)skb->cb)[1];
+ struct nlattr *data = ((void **)skb->cb)[2];
+
+ /* clear CB data for netlink core to own from now on */
+ memset(skb->cb, 0, sizeof(skb->cb));
+
+ nla_nest_end(skb, data);
+ genlmsg_end(skb, hdr);
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), skb, 0,
+ nl80211_testmode_mcgrp.id, gfp);
+}
+EXPORT_SYMBOL(cfg80211_testmode_event);
+#endif
+
+static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct cfg80211_connect_params connect;
+ struct wiphy *wiphy;
+ struct cfg80211_cached_keys *connkeys = NULL;
+ int err;
+
+ memset(&connect, 0, sizeof(connect));
+
+ if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_SSID] ||
+ !nla_len(info->attrs[NL80211_ATTR_SSID]))
+ return -EINVAL;
+
+ if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
+ connect.auth_type =
+ nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
+ if (!nl80211_valid_auth_type(connect.auth_type))
+ return -EINVAL;
+ } else
+ connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
+
+ connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
+
+ err = nl80211_crypto_settings(rdev, info, &connect.crypto,
+ NL80211_MAX_NR_CIPHER_SUITES);
+ if (err)
+ return err;
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
+ return -EOPNOTSUPP;
+
+ wiphy = &rdev->wiphy;
+
+ connect.bg_scan_period = -1;
+ if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
+ (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
+ connect.bg_scan_period =
+ nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
+ }
+
+ if (info->attrs[NL80211_ATTR_MAC])
+ connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
+ connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
+ connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
+
+ if (info->attrs[NL80211_ATTR_IE]) {
+ connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
+ connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+ }
+#if defined(CONFIG_AIC8800)
+ if (info->attrs[NL80211_ATTR_USE_MFP]) {
+ connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
+ if (connect.mfp != NL80211_MFP_REQUIRED &&
+ connect.mfp != NL80211_MFP_NO) {
+ return -EINVAL;
+ }
+ } else {
+ connect.mfp = NL80211_MFP_NO;
+ }
+#endif
+ if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
+ connect.channel =
+ ieee80211_get_channel(wiphy,
+ nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
+ if (!connect.channel ||
+ connect.channel->flags & IEEE80211_CHAN_DISABLED)
+ return -EINVAL;
+ }
+
+ if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
+ connkeys = nl80211_parse_connkeys(rdev,
+ info->attrs[NL80211_ATTR_KEYS]);
+ if (IS_ERR(connkeys))
+ return PTR_ERR(connkeys);
+ }
+
+ if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
+ connect.flags |= ASSOC_REQ_DISABLE_HT;
+
+ if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
+ memcpy(&connect.ht_capa_mask,
+ nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
+ sizeof(connect.ht_capa_mask));
+
+ if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
+ if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
+ return -EINVAL;
+ memcpy(&connect.ht_capa,
+ nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
+ sizeof(connect.ht_capa));
+ }
+#if defined(CONFIG_AIC8800)
+ if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) {
+ if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
+ kzfree(connkeys);
+ // GENL_SET_ERR_MSG(info,
+ // "external auth requires connection ownership");
+ return -EINVAL;
+ }
+ connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT;
+ }
+
+ //wdev_lock(dev->ieee80211_ptr);
+#endif
+ err = cfg80211_connect(rdev, dev, &connect, connkeys);
+ if (err)
+ kfree(connkeys);
+#if defined(CONFIG_AIC8800)
+ if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
+ //dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
+ dev->ieee80211_ptr->conn_owner_nlportid = info->snd_pid;
+ if (connect.bssid) {
+ memcpy(dev->ieee80211_ptr->disconnect_bssid,
+ connect.bssid, ETH_ALEN);
+ }
+ else {
+ memset(dev->ieee80211_ptr->disconnect_bssid,
+ 0, ETH_ALEN);
+ }
+ }
+
+ //wdev_unlock(dev->ieee80211_ptr);
+#endif
+ return err;
+}
+
+static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ u16 reason;
+
+ if (!info->attrs[NL80211_ATTR_REASON_CODE])
+ reason = WLAN_REASON_DEAUTH_LEAVING;
+ else
+ reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
+
+ if (reason == 0)
+ return -EINVAL;
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
+ return -EOPNOTSUPP;
+
+ return cfg80211_disconnect(rdev, dev, reason, true);
+}
+
+static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net *net;
+ int err;
+ u32 pid;
+
+ if (!info->attrs[NL80211_ATTR_PID])
+ return -EINVAL;
+
+ pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
+
+ net = get_net_ns_by_pid(pid);
+ if (IS_ERR(net))
+ return PTR_ERR(net);
+
+ err = 0;
+
+ /* check if anything to do */
+ if (!net_eq(wiphy_net(&rdev->wiphy), net))
+ err = cfg80211_switch_netns(rdev, net);
+
+ put_net(net);
+ return err;
+}
+
+static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
+ struct cfg80211_pmksa *pmksa) = NULL;
+ struct net_device *dev = info->user_ptr[1];
+ struct cfg80211_pmksa pmksa;
+
+ memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
+
+ if (!info->attrs[NL80211_ATTR_MAC])
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_PMKID])
+ return -EINVAL;
+
+ pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
+ pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
+ return -EOPNOTSUPP;
+
+ switch (info->genlhdr->cmd) {
+ case NL80211_CMD_SET_PMKSA:
+ rdev_ops = rdev->ops->set_pmksa;
+ break;
+ case NL80211_CMD_DEL_PMKSA:
+ rdev_ops = rdev->ops->del_pmksa;
+ break;
+ default:
+ WARN_ON(1);
+ break;
+ }
+
+ if (!rdev_ops)
+ return -EOPNOTSUPP;
+
+ return rdev_ops(&rdev->wiphy, dev, &pmksa);
+}
+
+static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
+ return -EOPNOTSUPP;
+
+ if (!rdev->ops->flush_pmksa)
+ return -EOPNOTSUPP;
+
+ return rdev->ops->flush_pmksa(&rdev->wiphy, dev);
+}
+
+static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ u8 action_code, dialog_token;
+ u16 status_code;
+ u8 *peer;
+
+ if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
+ !rdev->ops->tdls_mgmt)
+ return -EOPNOTSUPP;
+
+ if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
+ !info->attrs[NL80211_ATTR_STATUS_CODE] ||
+ !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
+ !info->attrs[NL80211_ATTR_IE] ||
+ !info->attrs[NL80211_ATTR_MAC])
+ return -EINVAL;
+
+ peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
+ action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
+ status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
+ dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
+
+ return rdev->ops->tdls_mgmt(&rdev->wiphy, dev, peer, action_code,
+ dialog_token, status_code,
+ nla_data(info->attrs[NL80211_ATTR_IE]),
+ nla_len(info->attrs[NL80211_ATTR_IE]));
+}
+
+static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ enum nl80211_tdls_operation operation;
+ u8 *peer;
+
+ if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
+ !rdev->ops->tdls_oper)
+ return -EOPNOTSUPP;
+
+ if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
+ !info->attrs[NL80211_ATTR_MAC])
+ return -EINVAL;
+
+ operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
+ peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
+
+ return rdev->ops->tdls_oper(&rdev->wiphy, dev, peer, operation);
+}
+
+static int nl80211_remain_on_channel(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct ieee80211_channel *chan;
+ struct sk_buff *msg;
+ void *hdr;
+ u64 cookie;
+ enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
+ u32 freq, duration;
+ int err;
+
+ if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
+ !info->attrs[NL80211_ATTR_DURATION])
+ return -EINVAL;
+
+ duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
+
+ /*
+ * We should be on that channel for at least one jiffie,
+ * and more than 5 seconds seems excessive.
+ */
+ if (!duration || !msecs_to_jiffies(duration) ||
+ duration > rdev->wiphy.max_remain_on_channel_duration)
+ return -EINVAL;
+
+ if (!rdev->ops->remain_on_channel ||
+ !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
+ return -EOPNOTSUPP;
+
+ if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
+ channel_type = nla_get_u32(
+ info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
+ if (channel_type != NL80211_CHAN_NO_HT &&
+ channel_type != NL80211_CHAN_HT20 &&
+ channel_type != NL80211_CHAN_HT40PLUS &&
+ channel_type != NL80211_CHAN_HT40MINUS)
+ return -EINVAL;
+ }
+
+ freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
+ chan = rdev_freq_to_chan(rdev, freq, channel_type);
+ if (chan == NULL)
+ return -EINVAL;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+
+ hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
+ NL80211_CMD_REMAIN_ON_CHANNEL);
+
+ if (IS_ERR(hdr)) {
+ err = PTR_ERR(hdr);
+ goto free_msg;
+ }
+
+ err = rdev->ops->remain_on_channel(&rdev->wiphy, dev, chan,
+ channel_type, duration, &cookie);
+
+ if (err)
+ goto free_msg;
+
+ NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie);
+
+ genlmsg_end(msg, hdr);
+
+ return genlmsg_reply(msg, info);
+
+ nla_put_failure:
+ err = -ENOBUFS;
+ free_msg:
+ nlmsg_free(msg);
+ return err;
+}
+
+static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ u64 cookie;
+
+ if (!info->attrs[NL80211_ATTR_COOKIE])
+ return -EINVAL;
+
+ if (!rdev->ops->cancel_remain_on_channel)
+ return -EOPNOTSUPP;
+
+ cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
+
+ return rdev->ops->cancel_remain_on_channel(&rdev->wiphy, dev, cookie);
+}
+
+static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
+ u8 *rates, u8 rates_len)
+{
+ u8 i;
+ u32 mask = 0;
+
+ for (i = 0; i < rates_len; i++) {
+ int rate = (rates[i] & 0x7f) * 5;
+ int ridx;
+ for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
+ struct ieee80211_rate *srate =
+ &sband->bitrates[ridx];
+ if (rate == srate->bitrate) {
+ mask |= 1 << ridx;
+ break;
+ }
+ }
+ if (ridx == sband->n_bitrates)
+ return 0; /* rate not found */
+ }
+
+ return mask;
+}
+
+static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
+ u8 *rates, u8 rates_len,
+ u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
+{
+ u8 i;
+
+ memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
+
+ for (i = 0; i < rates_len; i++) {
+ int ridx, rbit;
+
+ ridx = rates[i] / 8;
+ rbit = BIT(rates[i] % 8);
+
+ /* check validity */
+ if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
+ return false;
+
+ /* check availability */
+ if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
+ mcs[ridx] |= rbit;
+ else
+ return false;
+ }
+
+ return true;
+}
+
+static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
+ [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
+ .len = NL80211_MAX_SUPP_RATES },
+ [NL80211_TXRATE_MCS] = { .type = NLA_BINARY,
+ .len = NL80211_MAX_SUPP_HT_RATES },
+};
+
+static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct nlattr *tb[NL80211_TXRATE_MAX + 1];
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct cfg80211_bitrate_mask mask;
+ int rem, i;
+ struct net_device *dev = info->user_ptr[1];
+ struct nlattr *tx_rates;
+ struct ieee80211_supported_band *sband;
+
+ if (info->attrs[NL80211_ATTR_TX_RATES] == NULL)
+ return -EINVAL;
+
+ if (!rdev->ops->set_bitrate_mask)
+ return -EOPNOTSUPP;
+
+ memset(&mask, 0, sizeof(mask));
+ /* Default to all rates enabled */
+ for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
+ sband = rdev->wiphy.bands[i];
+ mask.control[i].legacy =
+ sband ? (1 << sband->n_bitrates) - 1 : 0;
+ if (sband)
+ memcpy(mask.control[i].mcs,
+ sband->ht_cap.mcs.rx_mask,
+ sizeof(mask.control[i].mcs));
+ else
+ memset(mask.control[i].mcs, 0,
+ sizeof(mask.control[i].mcs));
+ }
+
+ /*
+ * The nested attribute uses enum nl80211_band as the index. This maps
+ * directly to the enum ieee80211_band values used in cfg80211.
+ */
+ BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
+ nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem)
+ {
+ enum ieee80211_band band = nla_type(tx_rates);
+ if (band < 0 || band >= IEEE80211_NUM_BANDS)
+ return -EINVAL;
+ sband = rdev->wiphy.bands[band];
+ if (sband == NULL)
+ return -EINVAL;
+ nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates),
+ nla_len(tx_rates), nl80211_txattr_policy);
+ if (tb[NL80211_TXRATE_LEGACY]) {
+ mask.control[band].legacy = rateset_to_mask(
+ sband,
+ nla_data(tb[NL80211_TXRATE_LEGACY]),
+ nla_len(tb[NL80211_TXRATE_LEGACY]));
+ }
+ if (tb[NL80211_TXRATE_MCS]) {
+ if (!ht_rateset_to_mask(
+ sband,
+ nla_data(tb[NL80211_TXRATE_MCS]),
+ nla_len(tb[NL80211_TXRATE_MCS]),
+ mask.control[band].mcs))
+ return -EINVAL;
+ }
+
+ if (mask.control[band].legacy == 0) {
+ /* don't allow empty legacy rates if HT
+ * is not even supported. */
+ if (!rdev->wiphy.bands[band]->ht_cap.ht_supported)
+ return -EINVAL;
+
+ for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
+ if (mask.control[band].mcs[i])
+ break;
+
+ /* legacy and mcs rates may not be both empty */
+ if (i == IEEE80211_HT_MCS_MASK_LEN)
+ return -EINVAL;
+ }
+ }
+
+ return rdev->ops->set_bitrate_mask(&rdev->wiphy, dev, NULL, &mask);
+}
+
+static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
+
+ if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
+ return -EINVAL;
+
+ if (info->attrs[NL80211_ATTR_FRAME_TYPE])
+ frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
+ return -EOPNOTSUPP;
+
+ /* not much point in registering if we can't reply */
+ if (!rdev->ops->mgmt_tx)
+ return -EOPNOTSUPP;
+
+ return cfg80211_mlme_register_mgmt(dev->ieee80211_ptr, info->snd_pid,
+ frame_type,
+ nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
+ nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
+}
+
+static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct ieee80211_channel *chan;
+ enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
+ bool channel_type_valid = false;
+ u32 freq;
+ int err;
+ void *hdr = NULL;
+ u64 cookie;
+ struct sk_buff *msg = NULL;
+ unsigned int wait = 0;
+ bool offchan, no_cck, dont_wait_for_ack;
+
+ dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK];
+
+ if (!info->attrs[NL80211_ATTR_FRAME] ||
+ !info->attrs[NL80211_ATTR_WIPHY_FREQ])
+ return -EINVAL;
+
+ if (!rdev->ops->mgmt_tx)
+ return -EOPNOTSUPP;
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
+ return -EOPNOTSUPP;
+
+ if (info->attrs[NL80211_ATTR_DURATION]) {
+ if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
+ return -EINVAL;
+ wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
+ }
+
+ if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
+ channel_type = nla_get_u32(
+ info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
+ if (channel_type != NL80211_CHAN_NO_HT &&
+ channel_type != NL80211_CHAN_HT20 &&
+ channel_type != NL80211_CHAN_HT40PLUS &&
+ channel_type != NL80211_CHAN_HT40MINUS)
+ return -EINVAL;
+ channel_type_valid = true;
+ }
+
+ offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
+
+ if (offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
+ return -EINVAL;
+
+ no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
+
+ freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
+ chan = rdev_freq_to_chan(rdev, freq, channel_type);
+ if (chan == NULL)
+ return -EINVAL;
+
+ if (!dont_wait_for_ack) {
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+
+ hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
+ NL80211_CMD_FRAME);
+
+ if (IS_ERR(hdr)) {
+ err = PTR_ERR(hdr);
+ goto free_msg;
+ }
+ }
+
+ err = cfg80211_mlme_mgmt_tx(rdev, dev, chan, offchan, channel_type,
+ channel_type_valid, wait,
+ nla_data(info->attrs[NL80211_ATTR_FRAME]),
+ nla_len(info->attrs[NL80211_ATTR_FRAME]),
+ no_cck, dont_wait_for_ack, &cookie);
+ if (err)
+ goto free_msg;
+
+ if (msg) {
+ NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie);
+
+ genlmsg_end(msg, hdr);
+ return genlmsg_reply(msg, info);
+ }
+
+ return 0;
+
+ nla_put_failure:
+ err = -ENOBUFS;
+ free_msg:
+ nlmsg_free(msg);
+ return err;
+}
+
+static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ u64 cookie;
+
+ if (!info->attrs[NL80211_ATTR_COOKIE])
+ return -EINVAL;
+
+ if (!rdev->ops->mgmt_tx_cancel_wait)
+ return -EOPNOTSUPP;
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
+ return -EOPNOTSUPP;
+
+ cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
+
+ return rdev->ops->mgmt_tx_cancel_wait(&rdev->wiphy, dev, cookie);
+}
+
+static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct wireless_dev *wdev;
+ struct net_device *dev = info->user_ptr[1];
+ u8 ps_state;
+ bool state;
+ int err;
+
+ if (!info->attrs[NL80211_ATTR_PS_STATE])
+ return -EINVAL;
+
+ ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
+
+ if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED)
+ return -EINVAL;
+
+ wdev = dev->ieee80211_ptr;
+
+ if (!rdev->ops->set_power_mgmt)
+ return -EOPNOTSUPP;
+
+ state = (ps_state == NL80211_PS_ENABLED) ? true : false;
+
+ if (state == wdev->ps)
+ return 0;
+
+ err = rdev->ops->set_power_mgmt(wdev->wiphy, dev, state,
+ wdev->ps_timeout);
+ if (!err)
+ wdev->ps = state;
+ return err;
+}
+
+static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ enum nl80211_ps_state ps_state;
+ struct wireless_dev *wdev;
+ struct net_device *dev = info->user_ptr[1];
+ struct sk_buff *msg;
+ void *hdr;
+ int err;
+
+ wdev = dev->ieee80211_ptr;
+
+ if (!rdev->ops->set_power_mgmt)
+ return -EOPNOTSUPP;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+
+ hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
+ NL80211_CMD_GET_POWER_SAVE);
+ if (!hdr) {
+ err = -ENOBUFS;
+ goto free_msg;
+ }
+
+ if (wdev->ps)
+ ps_state = NL80211_PS_ENABLED;
+ else
+ ps_state = NL80211_PS_DISABLED;
+
+ NLA_PUT_U32(msg, NL80211_ATTR_PS_STATE, ps_state);
+
+ genlmsg_end(msg, hdr);
+ return genlmsg_reply(msg, info);
+
+ nla_put_failure:
+ err = -ENOBUFS;
+ free_msg:
+ nlmsg_free(msg);
+ return err;
+}
+
+static struct nla_policy
+nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = {
+ [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
+ [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
+ [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
+};
+
+static int nl80211_set_cqm_rssi(struct genl_info *info,
+ s32 threshold, u32 hysteresis)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct wireless_dev *wdev;
+ struct net_device *dev = info->user_ptr[1];
+
+ if (threshold > 0)
+ return -EINVAL;
+
+ wdev = dev->ieee80211_ptr;
+
+ if (!rdev->ops->set_cqm_rssi_config)
+ return -EOPNOTSUPP;
+
+ if (wdev->iftype != NL80211_IFTYPE_STATION &&
+ wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
+ return -EOPNOTSUPP;
+
+ return rdev->ops->set_cqm_rssi_config(wdev->wiphy, dev,
+ threshold, hysteresis);
+}
+
+static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
+{
+ struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
+ struct nlattr *cqm;
+ int err;
+
+ cqm = info->attrs[NL80211_ATTR_CQM];
+ if (!cqm) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm,
+ nl80211_attr_cqm_policy);
+ if (err)
+ goto out;
+
+ if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
+ attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
+ s32 threshold;
+ u32 hysteresis;
+ threshold = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
+ hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
+ err = nl80211_set_cqm_rssi(info, threshold, hysteresis);
+ } else
+ err = -EINVAL;
+
+out:
+ return err;
+}
+
+static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct mesh_config cfg;
+ struct mesh_setup setup;
+ int err;
+
+ /* start with default */
+ memcpy(&cfg, &default_mesh_config, sizeof(cfg));
+ memcpy(&setup, &default_mesh_setup, sizeof(setup));
+
+ if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
+ /* and parse parameters if given */
+ err = nl80211_parse_mesh_config(info, &cfg, NULL);
+ if (err)
+ return err;
+ }
+
+ if (!info->attrs[NL80211_ATTR_MESH_ID] ||
+ !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
+ return -EINVAL;
+
+ setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
+ setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
+
+ if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
+ !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
+ nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
+ return -EINVAL;
+
+ if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
+ /* parse additional setup parameters if given */
+ err = nl80211_parse_mesh_setup(info, &setup);
+ if (err)
+ return err;
+ }
+
+ return cfg80211_join_mesh(rdev, dev, &setup, &cfg);
+}
+
+static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+
+ return cfg80211_leave_mesh(rdev, dev);
+}
+
+static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct sk_buff *msg;
+ void *hdr;
+
+ if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns)
+ return -EOPNOTSUPP;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+
+ hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
+ NL80211_CMD_GET_WOWLAN);
+ if (!hdr)
+ goto nla_put_failure;
+
+ if (rdev->wowlan) {
+ struct nlattr *nl_wowlan;
+
+ nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
+ if (!nl_wowlan)
+ goto nla_put_failure;
+
+ if (rdev->wowlan->any)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_ANY);
+ if (rdev->wowlan->disconnect)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT);
+ if (rdev->wowlan->magic_pkt)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT);
+ if (rdev->wowlan->gtk_rekey_failure)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE);
+ if (rdev->wowlan->eap_identity_req)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST);
+ if (rdev->wowlan->four_way_handshake)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE);
+ if (rdev->wowlan->rfkill_release)
+ NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE);
+ if (rdev->wowlan->n_patterns) {
+ struct nlattr *nl_pats, *nl_pat;
+ int i, pat_len;
+
+ nl_pats = nla_nest_start(msg,
+ NL80211_WOWLAN_TRIG_PKT_PATTERN);
+ if (!nl_pats)
+ goto nla_put_failure;
+
+ for (i = 0; i < rdev->wowlan->n_patterns; i++) {
+ nl_pat = nla_nest_start(msg, i + 1);
+ if (!nl_pat)
+ goto nla_put_failure;
+ pat_len = rdev->wowlan->patterns[i].pattern_len;
+ NLA_PUT(msg, NL80211_WOWLAN_PKTPAT_MASK,
+ DIV_ROUND_UP(pat_len, 8),
+ rdev->wowlan->patterns[i].mask);
+ NLA_PUT(msg, NL80211_WOWLAN_PKTPAT_PATTERN,
+ pat_len,
+ rdev->wowlan->patterns[i].pattern);
+ nla_nest_end(msg, nl_pat);
+ }
+ nla_nest_end(msg, nl_pats);
+ }
+
+ nla_nest_end(msg, nl_wowlan);
+ }
+
+ genlmsg_end(msg, hdr);
+ return genlmsg_reply(msg, info);
+
+nla_put_failure:
+ nlmsg_free(msg);
+ return -ENOBUFS;
+}
+
+static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
+ struct cfg80211_wowlan no_triggers = {};
+ struct cfg80211_wowlan new_triggers = {};
+ struct wiphy_wowlan_support *wowlan = &rdev->wiphy.wowlan;
+ int err, i;
+
+ if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns)
+ return -EOPNOTSUPP;
+
+ if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS])
+ goto no_triggers;
+
+ err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG,
+ nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
+ nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
+ nl80211_wowlan_policy);
+ if (err)
+ return err;
+
+ if (tb[NL80211_WOWLAN_TRIG_ANY]) {
+ if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
+ return -EINVAL;
+ new_triggers.any = true;
+ }
+
+ if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
+ if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
+ return -EINVAL;
+ new_triggers.disconnect = true;
+ }
+
+ if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
+ if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
+ return -EINVAL;
+ new_triggers.magic_pkt = true;
+ }
+
+ if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
+ return -EINVAL;
+
+ if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
+ if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
+ return -EINVAL;
+ new_triggers.gtk_rekey_failure = true;
+ }
+
+ if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
+ if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
+ return -EINVAL;
+ new_triggers.eap_identity_req = true;
+ }
+
+ if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
+ if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
+ return -EINVAL;
+ new_triggers.four_way_handshake = true;
+ }
+
+ if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
+ if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
+ return -EINVAL;
+ new_triggers.rfkill_release = true;
+ }
+
+ if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
+ struct nlattr *pat;
+ int n_patterns = 0;
+ int rem, pat_len, mask_len;
+ struct nlattr *pat_tb[NUM_NL80211_WOWLAN_PKTPAT];
+
+ nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
+ rem)
+ n_patterns++;
+ if (n_patterns > wowlan->n_patterns)
+ return -EINVAL;
+
+ new_triggers.patterns = kcalloc(n_patterns,
+ sizeof(new_triggers.patterns[0]),
+ GFP_KERNEL);
+ if (!new_triggers.patterns)
+ return -ENOMEM;
+
+ new_triggers.n_patterns = n_patterns;
+ i = 0;
+
+ nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
+ rem) {
+ nla_parse(pat_tb, MAX_NL80211_WOWLAN_PKTPAT,
+ nla_data(pat), nla_len(pat), NULL);
+ err = -EINVAL;
+ if (!pat_tb[NL80211_WOWLAN_PKTPAT_MASK] ||
+ !pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN])
+ goto error;
+ pat_len = nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]);
+ mask_len = DIV_ROUND_UP(pat_len, 8);
+ if (nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]) !=
+ mask_len)
+ goto error;
+ if (pat_len > wowlan->pattern_max_len ||
+ pat_len < wowlan->pattern_min_len)
+ goto error;
+
+ new_triggers.patterns[i].mask =
+ kmalloc(mask_len + pat_len, GFP_KERNEL);
+ if (!new_triggers.patterns[i].mask) {
+ err = -ENOMEM;
+ goto error;
+ }
+ new_triggers.patterns[i].pattern =
+ new_triggers.patterns[i].mask + mask_len;
+ memcpy(new_triggers.patterns[i].mask,
+ nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]),
+ mask_len);
+ new_triggers.patterns[i].pattern_len = pat_len;
+ memcpy(new_triggers.patterns[i].pattern,
+ nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]),
+ pat_len);
+ i++;
+ }
+ }
+
+ if (memcmp(&new_triggers, &no_triggers, sizeof(new_triggers))) {
+ struct cfg80211_wowlan *ntrig;
+ ntrig = kmemdup(&new_triggers, sizeof(new_triggers),
+ GFP_KERNEL);
+ if (!ntrig) {
+ err = -ENOMEM;
+ goto error;
+ }
+ cfg80211_rdev_free_wowlan(rdev);
+ rdev->wowlan = ntrig;
+ } else {
+ no_triggers:
+ cfg80211_rdev_free_wowlan(rdev);
+ rdev->wowlan = NULL;
+ }
+
+ return 0;
+ error:
+ for (i = 0; i < new_triggers.n_patterns; i++)
+ kfree(new_triggers.patterns[i].mask);
+ kfree(new_triggers.patterns);
+ return err;
+}
+
+static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct nlattr *tb[NUM_NL80211_REKEY_DATA];
+ struct cfg80211_gtk_rekey_data rekey_data;
+ int err;
+
+ if (!info->attrs[NL80211_ATTR_REKEY_DATA])
+ return -EINVAL;
+
+ err = nla_parse(tb, MAX_NL80211_REKEY_DATA,
+ nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]),
+ nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]),
+ nl80211_rekey_policy);
+ if (err)
+ return err;
+
+ if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
+ return -ERANGE;
+ if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN)
+ return -ERANGE;
+ if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN)
+ return -ERANGE;
+
+ memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]),
+ NL80211_KEK_LEN);
+ memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]),
+ NL80211_KCK_LEN);
+ memcpy(rekey_data.replay_ctr,
+ nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]),
+ NL80211_REPLAY_CTR_LEN);
+
+ wdev_lock(wdev);
+ if (!wdev->current_bss) {
+ err = -ENOTCONN;
+ goto out;
+ }
+
+ if (!rdev->ops->set_rekey_data) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ err = rdev->ops->set_rekey_data(&rdev->wiphy, dev, &rekey_data);
+ out:
+ wdev_unlock(wdev);
+ return err;
+}
+
+static int nl80211_register_unexpected_frame(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+ if (wdev->iftype != NL80211_IFTYPE_AP &&
+ wdev->iftype != NL80211_IFTYPE_P2P_GO)
+ return -EINVAL;
+
+ if (wdev->ap_unexpected_nlpid)
+ return -EBUSY;
+
+ wdev->ap_unexpected_nlpid = info->snd_pid;
+ return 0;
+}
+
+static int nl80211_probe_client(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct sk_buff *msg;
+ void *hdr;
+ const u8 *addr;
+ u64 cookie;
+ int err;
+
+ if (wdev->iftype != NL80211_IFTYPE_AP &&
+ wdev->iftype != NL80211_IFTYPE_P2P_GO)
+ return -EOPNOTSUPP;
+
+ if (!info->attrs[NL80211_ATTR_MAC])
+ return -EINVAL;
+
+ if (!rdev->ops->probe_client)
+ return -EOPNOTSUPP;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+
+ hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
+ NL80211_CMD_PROBE_CLIENT);
+
+ if (IS_ERR(hdr)) {
+ err = PTR_ERR(hdr);
+ goto free_msg;
+ }
+
+ addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
+
+ err = rdev->ops->probe_client(&rdev->wiphy, dev, addr, &cookie);
+ if (err)
+ goto free_msg;
+
+ NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie);
+
+ genlmsg_end(msg, hdr);
+
+ return genlmsg_reply(msg, info);
+
+ nla_put_failure:
+ err = -ENOBUFS;
+ free_msg:
+ nlmsg_free(msg);
+ return err;
+}
+
+static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+
+ if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
+ return -EOPNOTSUPP;
+
+ if (rdev->ap_beacons_nlpid)
+ return -EBUSY;
+
+ rdev->ap_beacons_nlpid = info->snd_pid;
+
+ return 0;
+}
+#if defined(CONFIG_AIC8800)
+static inline int
+rdev_external_auth(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ struct cfg80211_external_auth_params *params)
+{
+ int ret = -EOPNOTSUPP;
+
+ //trace_rdev_external_auth(&rdev->wiphy, dev, params);
+ if (rdev->ops->external_auth)
+ ret = rdev->ops->external_auth(&rdev->wiphy, dev, params);
+ //trace_rdev_return_int(&rdev->wiphy, ret);
+ return ret;
+}
+
+static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct cfg80211_external_auth_params params;
+
+ if (!rdev->ops->external_auth)
+ return -EOPNOTSUPP;
+
+ if (!info->attrs[NL80211_ATTR_SSID] &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_BSSID])
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_STATUS_CODE])
+ return -EINVAL;
+
+ memset(¶ms, 0, sizeof(params));
+
+ if (info->attrs[NL80211_ATTR_SSID]) {
+ params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
+ if (params.ssid.ssid_len == 0)
+ return -EINVAL;
+ memcpy(params.ssid.ssid,
+ nla_data(info->attrs[NL80211_ATTR_SSID]),
+ params.ssid.ssid_len);
+ }
+
+ memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
+ ETH_ALEN);
+
+ params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
+
+ if (info->attrs[NL80211_ATTR_PMKID])
+ params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
+
+ return rdev_external_auth(rdev, dev, ¶ms);
+}
+#endif
+
+#define NL80211_FLAG_NEED_WIPHY 0x01
+#define NL80211_FLAG_NEED_NETDEV 0x02
+#define NL80211_FLAG_NEED_RTNL 0x04
+#define NL80211_FLAG_CHECK_NETDEV_UP 0x08
+#define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
+ NL80211_FLAG_CHECK_NETDEV_UP)
+
+static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev;
+ struct net_device *dev;
+ int err;
+ bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
+
+ if (rtnl)
+ rtnl_lock();
+
+ if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
+ rdev = cfg80211_get_dev_from_info(info);
+ if (IS_ERR(rdev)) {
+ if (rtnl)
+ rtnl_unlock();
+ return PTR_ERR(rdev);
+ }
+ info->user_ptr[0] = rdev;
+ } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
+ err = get_rdev_dev_by_ifindex(genl_info_net(info), info->attrs,
+ &rdev, &dev);
+ if (err) {
+ if (rtnl)
+ rtnl_unlock();
+ return err;
+ }
+ if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
+ !netif_running(dev)) {
+ cfg80211_unlock_rdev(rdev);
+ dev_put(dev);
+ if (rtnl)
+ rtnl_unlock();
+ return -ENETDOWN;
+ }
+ info->user_ptr[0] = rdev;
+ info->user_ptr[1] = dev;
+ }
+
+ return 0;
+}
+
+static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb,
+ struct genl_info *info)
+{
+ if (info->user_ptr[0])
+ cfg80211_unlock_rdev(info->user_ptr[0]);
+ if (info->user_ptr[1])
+ dev_put(info->user_ptr[1]);
+ if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
+ rtnl_unlock();
+}
+
+static struct genl_ops nl80211_ops[] = {
+ {
+ .cmd = NL80211_CMD_GET_WIPHY,
+ .doit = nl80211_get_wiphy,
+ .dumpit = nl80211_dump_wiphy,
+ .policy = nl80211_policy,
+ /* can be retrieved by unprivileged users */
+ .internal_flags = NL80211_FLAG_NEED_WIPHY,
+ },
+ {
+ .cmd = NL80211_CMD_SET_WIPHY,
+ .doit = nl80211_set_wiphy,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_GET_INTERFACE,
+ .doit = nl80211_get_interface,
+ .dumpit = nl80211_dump_interface,
+ .policy = nl80211_policy,
+ /* can be retrieved by unprivileged users */
+ .internal_flags = NL80211_FLAG_NEED_NETDEV,
+ },
+ {
+ .cmd = NL80211_CMD_SET_INTERFACE,
+ .doit = nl80211_set_interface,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_NEW_INTERFACE,
+ .doit = nl80211_new_interface,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_WIPHY |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_DEL_INTERFACE,
+ .doit = nl80211_del_interface,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_GET_KEY,
+ .doit = nl80211_get_key,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_SET_KEY,
+ .doit = nl80211_set_key,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_NEW_KEY,
+ .doit = nl80211_new_key,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_DEL_KEY,
+ .doit = nl80211_del_key,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_SET_BEACON,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .doit = nl80211_set_beacon,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_START_AP,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .doit = nl80211_start_ap,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_STOP_AP,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .doit = nl80211_stop_ap,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_GET_STATION,
+ .doit = nl80211_get_station,
+ .dumpit = nl80211_dump_station,
+ .policy = nl80211_policy,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_SET_STATION,
+ .doit = nl80211_set_station,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_NEW_STATION,
+ .doit = nl80211_new_station,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_DEL_STATION,
+ .doit = nl80211_del_station,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_GET_MPATH,
+ .doit = nl80211_get_mpath,
+ .dumpit = nl80211_dump_mpath,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_SET_MPATH,
+ .doit = nl80211_set_mpath,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_NEW_MPATH,
+ .doit = nl80211_new_mpath,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_DEL_MPATH,
+ .doit = nl80211_del_mpath,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_SET_BSS,
+ .doit = nl80211_set_bss,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_GET_REG,
+ .doit = nl80211_get_reg,
+ .policy = nl80211_policy,
+ /* can be retrieved by unprivileged users */
+ },
+ {
+ .cmd = NL80211_CMD_SET_REG,
+ .doit = nl80211_set_reg,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_REQ_SET_REG,
+ .doit = nl80211_req_set_reg,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_GET_MESH_CONFIG,
+ .doit = nl80211_get_mesh_config,
+ .policy = nl80211_policy,
+ /* can be retrieved by unprivileged users */
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_SET_MESH_CONFIG,
+ .doit = nl80211_update_mesh_config,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_TRIGGER_SCAN,
+ .doit = nl80211_trigger_scan,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_GET_SCAN,
+ .policy = nl80211_policy,
+ .dumpit = nl80211_dump_scan,
+ },
+ {
+ .cmd = NL80211_CMD_START_SCHED_SCAN,
+ .doit = nl80211_start_sched_scan,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_STOP_SCHED_SCAN,
+ .doit = nl80211_stop_sched_scan,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_AUTHENTICATE,
+ .doit = nl80211_authenticate,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_ASSOCIATE,
+ .doit = nl80211_associate,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_DEAUTHENTICATE,
+ .doit = nl80211_deauthenticate,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_DISASSOCIATE,
+ .doit = nl80211_disassociate,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_JOIN_IBSS,
+ .doit = nl80211_join_ibss,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_LEAVE_IBSS,
+ .doit = nl80211_leave_ibss,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+#ifdef CONFIG_NL80211_TESTMODE
+ {
+ .cmd = NL80211_CMD_TESTMODE,
+ .doit = nl80211_testmode_do,
+ .dumpit = nl80211_testmode_dump,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_WIPHY |
+ NL80211_FLAG_NEED_RTNL,
+ },
+#endif
+ {
+ .cmd = NL80211_CMD_CONNECT,
+ .doit = nl80211_connect,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_DISCONNECT,
+ .doit = nl80211_disconnect,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_SET_WIPHY_NETNS,
+ .doit = nl80211_wiphy_netns,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_WIPHY |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_GET_SURVEY,
+ .policy = nl80211_policy,
+ .dumpit = nl80211_dump_survey,
+ },
+ {
+ .cmd = NL80211_CMD_SET_PMKSA,
+ .doit = nl80211_setdel_pmksa,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_DEL_PMKSA,
+ .doit = nl80211_setdel_pmksa,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+#if defined(CONFIG_AIC8800)
+ {
+ .cmd = NL80211_CMD_EXTERNAL_AUTH,
+ //.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
+ .doit = nl80211_external_auth,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
+ },
+#endif
+ {
+ .cmd = NL80211_CMD_FLUSH_PMKSA,
+ .doit = nl80211_flush_pmksa,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
+ .doit = nl80211_remain_on_channel,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
+ .doit = nl80211_cancel_remain_on_channel,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
+ .doit = nl80211_set_tx_bitrate_mask,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_REGISTER_FRAME,
+ .doit = nl80211_register_mgmt,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_FRAME,
+ .doit = nl80211_tx_mgmt,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
+ .doit = nl80211_tx_mgmt_cancel_wait,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_SET_POWER_SAVE,
+ .doit = nl80211_set_power_save,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_GET_POWER_SAVE,
+ .doit = nl80211_get_power_save,
+ .policy = nl80211_policy,
+ /* can be retrieved by unprivileged users */
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_SET_CQM,
+ .doit = nl80211_set_cqm,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_SET_CHANNEL,
+ .doit = nl80211_set_channel,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_SET_WDS_PEER,
+ .doit = nl80211_set_wds_peer,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_JOIN_MESH,
+ .doit = nl80211_join_mesh,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_LEAVE_MESH,
+ .doit = nl80211_leave_mesh,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_GET_WOWLAN,
+ .doit = nl80211_get_wowlan,
+ .policy = nl80211_policy,
+ /* can be retrieved by unprivileged users */
+ .internal_flags = NL80211_FLAG_NEED_WIPHY |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_SET_WOWLAN,
+ .doit = nl80211_set_wowlan,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_WIPHY |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
+ .doit = nl80211_set_rekey_data,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_TDLS_MGMT,
+ .doit = nl80211_tdls_mgmt,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_TDLS_OPER,
+ .doit = nl80211_tdls_oper,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_UNEXPECTED_FRAME,
+ .doit = nl80211_register_unexpected_frame,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_PROBE_CLIENT,
+ .doit = nl80211_probe_client,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_REGISTER_BEACONS,
+ .doit = nl80211_register_beacons,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_WIPHY |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_SET_NOACK_MAP,
+ .doit = nl80211_set_noack_map,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV |
+ NL80211_FLAG_NEED_RTNL,
+ },
+
+};
+
+static struct genl_multicast_group nl80211_mlme_mcgrp = {
+ .name = "mlme",
+};
+
+/* multicast groups */
+static struct genl_multicast_group nl80211_config_mcgrp = {
+ .name = "config",
+};
+static struct genl_multicast_group nl80211_scan_mcgrp = {
+ .name = "scan",
+};
+static struct genl_multicast_group nl80211_regulatory_mcgrp = {
+ .name = "regulatory",
+};
+
+/* notification functions */
+
+void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev)
+{
+ struct sk_buff *msg;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg)
+ return;
+
+ if (nl80211_send_wiphy(msg, 0, 0, 0, rdev) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_config_mcgrp.id, GFP_KERNEL);
+}
+
+static int nl80211_add_scan_req(struct sk_buff *msg,
+ struct cfg80211_registered_device *rdev)
+{
+ struct cfg80211_scan_request *req = rdev->scan_req;
+ struct nlattr *nest;
+ int i;
+
+ ASSERT_RDEV_LOCK(rdev);
+
+ if (WARN_ON(!req))
+ return 0;
+
+ nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS);
+ if (!nest)
+ goto nla_put_failure;
+ for (i = 0; i < req->n_ssids; i++)
+ NLA_PUT(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid);
+ nla_nest_end(msg, nest);
+
+ nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES);
+ if (!nest)
+ goto nla_put_failure;
+ for (i = 0; i < req->n_channels; i++)
+ NLA_PUT_U32(msg, i, req->channels[i]->center_freq);
+ nla_nest_end(msg, nest);
+
+ if (req->ie)
+ NLA_PUT(msg, NL80211_ATTR_IE, req->ie_len, req->ie);
+
+ return 0;
+ nla_put_failure:
+ return -ENOBUFS;
+}
+
+static int nl80211_send_scan_msg(struct sk_buff *msg,
+ struct cfg80211_registered_device *rdev,
+ struct net_device *netdev,
+ u32 pid, u32 seq, int flags,
+ u32 cmd)
+{
+ void *hdr;
+
+ hdr = nl80211hdr_put(msg, pid, seq, flags, cmd);
+ if (!hdr)
+ return -1;
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+
+ /* ignore errors and send incomplete event anyway */
+ nl80211_add_scan_req(msg, rdev);
+
+ return genlmsg_end(msg, hdr);
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ return -EMSGSIZE;
+}
+
+static int
+nl80211_send_sched_scan_msg(struct sk_buff *msg,
+ struct cfg80211_registered_device *rdev,
+ struct net_device *netdev,
+ u32 pid, u32 seq, int flags, u32 cmd)
+{
+ void *hdr;
+
+ hdr = nl80211hdr_put(msg, pid, seq, flags, cmd);
+ if (!hdr)
+ return -1;
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+
+ return genlmsg_end(msg, hdr);
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ return -EMSGSIZE;
+}
+
+void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev)
+{
+ struct sk_buff *msg;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+ if (!msg)
+ return;
+
+ if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0,
+ NL80211_CMD_TRIGGER_SCAN) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_scan_mcgrp.id, GFP_KERNEL);
+}
+
+void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev)
+{
+ struct sk_buff *msg;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg)
+ return;
+
+ if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0,
+ NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_scan_mcgrp.id, GFP_KERNEL);
+}
+
+void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev)
+{
+ struct sk_buff *msg;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg)
+ return;
+
+ if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0,
+ NL80211_CMD_SCAN_ABORTED) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_scan_mcgrp.id, GFP_KERNEL);
+}
+
+void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev)
+{
+ struct sk_buff *msg;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg)
+ return;
+
+ if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0,
+ NL80211_CMD_SCHED_SCAN_RESULTS) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_scan_mcgrp.id, GFP_KERNEL);
+}
+
+void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, u32 cmd)
+{
+ struct sk_buff *msg;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+ if (!msg)
+ return;
+
+ if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_scan_mcgrp.id, GFP_KERNEL);
+}
+
+/*
+ * This can happen on global regulatory changes or device specific settings
+ * based on custom world regulatory domains.
+ */
+void nl80211_send_reg_change_event(struct regulatory_request *request)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ /* Userspace can always count this one always being set */
+ NLA_PUT_U8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator);
+
+ if (request->alpha2[0] == '0' && request->alpha2[1] == '0')
+ NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE,
+ NL80211_REGDOM_TYPE_WORLD);
+ else if (request->alpha2[0] == '9' && request->alpha2[1] == '9')
+ NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE,
+ NL80211_REGDOM_TYPE_CUSTOM_WORLD);
+ else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
+ request->intersect)
+ NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE,
+ NL80211_REGDOM_TYPE_INTERSECTION);
+ else {
+ NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE,
+ NL80211_REGDOM_TYPE_COUNTRY);
+ NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, request->alpha2);
+ }
+
+ if (wiphy_idx_valid(request->wiphy_idx))
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx);
+
+ genlmsg_end(msg, hdr);
+
+ rcu_read_lock();
+ genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id,
+ GFP_ATOMIC);
+ rcu_read_unlock();
+
+ return;
+
+nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+
+static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev,
+ const u8 *buf, size_t len,
+ enum nl80211_commands cmd, gfp_t gfp)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+ NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf);
+
+ genlmsg_end(msg, hdr);
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+
+void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, const u8 *buf,
+ size_t len, gfp_t gfp)
+{
+ nl80211_send_mlme_event(rdev, netdev, buf, len,
+ NL80211_CMD_AUTHENTICATE, gfp);
+}
+
+void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, const u8 *buf,
+ size_t len, gfp_t gfp)
+{
+ nl80211_send_mlme_event(rdev, netdev, buf, len,
+ NL80211_CMD_ASSOCIATE, gfp);
+}
+
+void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, const u8 *buf,
+ size_t len, gfp_t gfp)
+{
+ nl80211_send_mlme_event(rdev, netdev, buf, len,
+ NL80211_CMD_DEAUTHENTICATE, gfp);
+}
+
+void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, const u8 *buf,
+ size_t len, gfp_t gfp)
+{
+ nl80211_send_mlme_event(rdev, netdev, buf, len,
+ NL80211_CMD_DISASSOCIATE, gfp);
+}
+
+void nl80211_send_unprot_deauth(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, const u8 *buf,
+ size_t len, gfp_t gfp)
+{
+ nl80211_send_mlme_event(rdev, netdev, buf, len,
+ NL80211_CMD_UNPROT_DEAUTHENTICATE, gfp);
+}
+
+void nl80211_send_unprot_disassoc(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, const u8 *buf,
+ size_t len, gfp_t gfp)
+{
+ nl80211_send_mlme_event(rdev, netdev, buf, len,
+ NL80211_CMD_UNPROT_DISASSOCIATE, gfp);
+}
+
+static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, int cmd,
+ const u8 *addr, gfp_t gfp)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+ NLA_PUT_FLAG(msg, NL80211_ATTR_TIMED_OUT);
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
+
+ genlmsg_end(msg, hdr);
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+
+void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, const u8 *addr,
+ gfp_t gfp)
+{
+ nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
+ addr, gfp);
+}
+
+void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, const u8 *addr,
+ gfp_t gfp)
+{
+ nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
+ addr, gfp);
+}
+
+void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, const u8 *bssid,
+ const u8 *req_ie, size_t req_ie_len,
+ const u8 *resp_ie, size_t resp_ie_len,
+ u16 status, gfp_t gfp)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+ if (bssid)
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid);
+ NLA_PUT_U16(msg, NL80211_ATTR_STATUS_CODE, status);
+ if (req_ie)
+ NLA_PUT(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie);
+ if (resp_ie)
+ NLA_PUT(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie);
+
+ genlmsg_end(msg, hdr);
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+
+}
+
+void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, const u8 *bssid,
+ const u8 *req_ie, size_t req_ie_len,
+ const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid);
+ if (req_ie)
+ NLA_PUT(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie);
+ if (resp_ie)
+ NLA_PUT(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie);
+
+ genlmsg_end(msg, hdr);
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+
+}
+
+void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, u16 reason,
+ const u8 *ie, size_t ie_len, bool from_ap)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+ if (from_ap && reason)
+ NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason);
+ if (from_ap)
+ NLA_PUT_FLAG(msg, NL80211_ATTR_DISCONNECTED_BY_AP);
+ if (ie)
+ NLA_PUT(msg, NL80211_ATTR_IE, ie_len, ie);
+
+ genlmsg_end(msg, hdr);
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, GFP_KERNEL);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+
+}
+
+void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, const u8 *bssid,
+ gfp_t gfp)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid);
+
+ genlmsg_end(msg, hdr);
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+
+void nl80211_send_new_peer_candidate(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev,
+ const u8 *macaddr, const u8* ie, u8 ie_len,
+ gfp_t gfp)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, macaddr);
+ if (ie_len && ie)
+ NLA_PUT(msg, NL80211_ATTR_IE, ie_len , ie);
+
+ genlmsg_end(msg, hdr);
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+
+void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, const u8 *addr,
+ enum nl80211_key_type key_type, int key_id,
+ const u8 *tsc, gfp_t gfp)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+ if (addr)
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
+ NLA_PUT_U32(msg, NL80211_ATTR_KEY_TYPE, key_type);
+ if (key_id != -1)
+ NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_id);
+ if (tsc)
+ NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, 6, tsc);
+
+ genlmsg_end(msg, hdr);
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+
+void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
+ struct ieee80211_channel *channel_before,
+ struct ieee80211_channel *channel_after)
+{
+ struct sk_buff *msg;
+ void *hdr;
+ struct nlattr *nl_freq;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ /*
+ * Since we are applying the beacon hint to a wiphy we know its
+ * wiphy_idx is valid
+ */
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy));
+
+ /* Before */
+ nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE);
+ if (!nl_freq)
+ goto nla_put_failure;
+ if (nl80211_msg_put_channel(msg, channel_before))
+ goto nla_put_failure;
+ nla_nest_end(msg, nl_freq);
+
+ /* After */
+ nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER);
+ if (!nl_freq)
+ goto nla_put_failure;
+ if (nl80211_msg_put_channel(msg, channel_after))
+ goto nla_put_failure;
+ nla_nest_end(msg, nl_freq);
+
+ genlmsg_end(msg, hdr);
+
+ rcu_read_lock();
+ genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id,
+ GFP_ATOMIC);
+ rcu_read_unlock();
+
+ return;
+
+nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+
+static void nl80211_send_remain_on_chan_event(
+ int cmd, struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, u64 cookie,
+ struct ieee80211_channel *chan,
+ enum nl80211_channel_type channel_type,
+ unsigned int duration, gfp_t gfp)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq);
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, channel_type);
+ NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie);
+
+ if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL)
+ NLA_PUT_U32(msg, NL80211_ATTR_DURATION, duration);
+
+ genlmsg_end(msg, hdr);
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+
+void nl80211_send_remain_on_channel(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, u64 cookie,
+ struct ieee80211_channel *chan,
+ enum nl80211_channel_type channel_type,
+ unsigned int duration, gfp_t gfp)
+{
+ nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
+ rdev, netdev, cookie, chan,
+ channel_type, duration, gfp);
+}
+
+void nl80211_send_remain_on_channel_cancel(
+ struct cfg80211_registered_device *rdev, struct net_device *netdev,
+ u64 cookie, struct ieee80211_channel *chan,
+ enum nl80211_channel_type channel_type, gfp_t gfp)
+{
+ nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
+ rdev, netdev, cookie, chan,
+ channel_type, 0, gfp);
+}
+
+void nl80211_send_sta_event(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, const u8 *mac_addr,
+ struct station_info *sinfo, gfp_t gfp)
+{
+ struct sk_buff *msg;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ if (!msg)
+ return;
+
+ if (nl80211_send_station(msg, 0, 0, 0,
+ rdev, dev, mac_addr, sinfo) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+}
+
+void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, const u8 *mac_addr,
+ gfp_t gfp)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
+
+ genlmsg_end(msg, hdr);
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+
+static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
+ const u8 *addr, gfp_t gfp)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+ struct sk_buff *msg;
+ void *hdr;
+ int err;
+ u32 nlpid = ACCESS_ONCE(wdev->ap_unexpected_nlpid);
+
+ if (!nlpid)
+ return false;
+
+ msg = nlmsg_new(100, gfp);
+ if (!msg)
+ return true;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return true;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
+
+ err = genlmsg_end(msg, hdr);
+ if (err < 0) {
+ nlmsg_free(msg);
+ return true;
+ }
+
+ genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid);
+ return true;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+ return true;
+}
+
+bool nl80211_unexpected_frame(struct net_device *dev, const u8 *addr, gfp_t gfp)
+{
+ return __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
+ addr, gfp);
+}
+
+bool nl80211_unexpected_4addr_frame(struct net_device *dev,
+ const u8 *addr, gfp_t gfp)
+{
+ return __nl80211_unexpected_frame(dev,
+ NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
+ addr, gfp);
+}
+
+int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, u32 nlpid,
+ int freq, int sig_dbm,
+ const u8 *buf, size_t len, gfp_t gfp)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
+ if (!msg)
+ return -ENOMEM;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return -ENOMEM;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
+ if (sig_dbm)
+ NLA_PUT_U32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm);
+ NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf);
+
+ genlmsg_end(msg, hdr);
+
+ return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid);
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+ return -ENOBUFS;
+}
+
+void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, u64 cookie,
+ const u8 *buf, size_t len, bool ack,
+ gfp_t gfp)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+ NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf);
+ NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie);
+ if (ack)
+ NLA_PUT_FLAG(msg, NL80211_ATTR_ACK);
+
+ genlmsg_end(msg, hdr);
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+
+void
+nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev,
+ enum nl80211_cqm_rssi_threshold_event rssi_event,
+ gfp_t gfp)
+{
+ struct sk_buff *msg;
+ struct nlattr *pinfoattr;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+
+ pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
+ if (!pinfoattr)
+ goto nla_put_failure;
+
+ NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
+ rssi_event);
+
+ nla_nest_end(msg, pinfoattr);
+
+ genlmsg_end(msg, hdr);
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+
+void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, const u8 *bssid,
+ const u8 *replay_ctr, gfp_t gfp)
+{
+ struct sk_buff *msg;
+ struct nlattr *rekey_attr;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid);
+
+ rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA);
+ if (!rekey_attr)
+ goto nla_put_failure;
+
+ NLA_PUT(msg, NL80211_REKEY_DATA_REPLAY_CTR,
+ NL80211_REPLAY_CTR_LEN, replay_ctr);
+
+ nla_nest_end(msg, rekey_attr);
+
+ genlmsg_end(msg, hdr);
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+
+void nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, int index,
+ const u8 *bssid, bool preauth, gfp_t gfp)
+{
+ struct sk_buff *msg;
+ struct nlattr *attr;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+
+ attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE);
+ if (!attr)
+ goto nla_put_failure;
+
+ NLA_PUT_U32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index);
+ NLA_PUT(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid);
+ if (preauth)
+ NLA_PUT_FLAG(msg, NL80211_PMKSA_CANDIDATE_PREAUTH);
+
+ nla_nest_end(msg, attr);
+
+ genlmsg_end(msg, hdr);
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+
+void
+nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, const u8 *peer,
+ u32 num_packets, gfp_t gfp)
+{
+ struct sk_buff *msg;
+ struct nlattr *pinfoattr;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, peer);
+
+ pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
+ if (!pinfoattr)
+ goto nla_put_failure;
+
+ NLA_PUT_U32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets);
+
+ nla_nest_end(msg, pinfoattr);
+
+ genlmsg_end(msg, hdr);
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+
+void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
+ u64 cookie, bool acked, gfp_t gfp)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+ struct sk_buff *msg;
+ void *hdr;
+ int err;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
+ NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie);
+ if (acked)
+ NLA_PUT_FLAG(msg, NL80211_ATTR_ACK);
+
+ err = genlmsg_end(msg, hdr);
+ if (err < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+EXPORT_SYMBOL(cfg80211_probe_status);
+
+void cfg80211_report_obss_beacon(struct wiphy *wiphy,
+ const u8 *frame, size_t len,
+ int freq, int sig_dbm, gfp_t gfp)
+{
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ struct sk_buff *msg;
+ void *hdr;
+ u32 nlpid = ACCESS_ONCE(rdev->ap_beacons_nlpid);
+
+ if (!nlpid)
+ return;
+
+ msg = nlmsg_new(len + 100, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ if (freq)
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
+ if (sig_dbm)
+ NLA_PUT_U32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm);
+ NLA_PUT(msg, NL80211_ATTR_FRAME, len, frame);
+
+ genlmsg_end(msg, hdr);
+
+ genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+EXPORT_SYMBOL(cfg80211_report_obss_beacon);
+
+#if defined(CONFIG_AIC8800)
+int cfg80211_external_auth_request(struct net_device *dev,
+ struct cfg80211_external_auth_params *params,
+ gfp_t gfp)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ // struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+ struct sk_buff *msg;
+ void *hdr;
+
+ if (!wdev->conn_owner_nlportid) {
+ return -EINVAL;
+ }
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
+ if (!msg)
+ return -ENOMEM;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH);
+ if (!hdr)
+ goto nla_put_failure;
+
+ if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
+ nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
+ nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) ||
+ nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION,
+ params->action) ||
+ nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) ||
+ nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len,
+ params->ssid.ssid))
+ goto nla_put_failure;
+
+ genlmsg_end(msg, hdr);
+ genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
+ wdev->conn_owner_nlportid);
+ return 0;
+
+ nla_put_failure:
+ nlmsg_free(msg);
+ return -ENOBUFS;
+}
+EXPORT_SYMBOL(cfg80211_external_auth_request);
+#endif
+
+static int nl80211_netlink_notify(struct notifier_block * nb,
+ unsigned long state,
+ void *_notify)
+{
+ struct netlink_notify *notify = _notify;
+ struct cfg80211_registered_device *rdev;
+ struct wireless_dev *wdev;
+
+ if (state != NETLINK_URELEASE)
+ return NOTIFY_DONE;
+
+ rcu_read_lock();
+
+ list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
+ list_for_each_entry_rcu(wdev, &rdev->netdev_list, list)
+ cfg80211_mlme_unregister_socket(wdev, notify->pid);
+ if (rdev->ap_beacons_nlpid == notify->pid)
+ rdev->ap_beacons_nlpid = 0;
+ }
+
+ rcu_read_unlock();
+
+ return NOTIFY_DONE;
+}
+
+static struct notifier_block nl80211_netlink_notifier = {
+ .notifier_call = nl80211_netlink_notify,
+};
+
+/* initialisation/exit functions */
+
+int nl80211_init(void)
+{
+ int err;
+
+ err = genl_register_family_with_ops(&nl80211_fam,
+ nl80211_ops, ARRAY_SIZE(nl80211_ops));
+ if (err)
+ return err;
+
+ err = genl_register_mc_group(&nl80211_fam, &nl80211_config_mcgrp);
+ if (err)
+ goto err_out;
+
+ err = genl_register_mc_group(&nl80211_fam, &nl80211_scan_mcgrp);
+ if (err)
+ goto err_out;
+
+ err = genl_register_mc_group(&nl80211_fam, &nl80211_regulatory_mcgrp);
+ if (err)
+ goto err_out;
+
+ err = genl_register_mc_group(&nl80211_fam, &nl80211_mlme_mcgrp);
+ if (err)
+ goto err_out;
+
+#ifdef CONFIG_NL80211_TESTMODE
+ err = genl_register_mc_group(&nl80211_fam, &nl80211_testmode_mcgrp);
+ if (err)
+ goto err_out;
+#endif
+
+ err = netlink_register_notifier(&nl80211_netlink_notifier);
+ if (err)
+ goto err_out;
+
+ return 0;
+ err_out:
+ genl_unregister_family(&nl80211_fam);
+ return err;
+}
+
+void nl80211_exit(void)
+{
+ netlink_unregister_notifier(&nl80211_netlink_notifier);
+ genl_unregister_family(&nl80211_fam);
+}