ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/target/linux/generic/pending-5.4/644-net-pppoe-support-hardware-flow-table-offload.patch b/target/linux/generic/pending-5.4/644-net-pppoe-support-hardware-flow-table-offload.patch
new file mode 100644
index 0000000..b09b3bc
--- /dev/null
+++ b/target/linux/generic/pending-5.4/644-net-pppoe-support-hardware-flow-table-offload.patch
@@ -0,0 +1,125 @@
+From: Felix Fietkau <nbd@nbd.name>
+Date: Thu, 15 Mar 2018 21:15:00 +0100
+Subject: [PATCH] net: pppoe: support hardware flow table offload
+
+Pass on the PPPoE session ID and the remote MAC address
+
+Signed-off-by: Felix Fietkau <nbd@nbd.name>
+---
+
+--- a/drivers/net/ppp/ppp_generic.c
++++ b/drivers/net/ppp/ppp_generic.c
+@@ -53,6 +53,11 @@
+ #include <net/net_namespace.h>
+ #include <net/netns/generic.h>
+
++#if IS_ENABLED(CONFIG_NF_FLOW_TABLE)
++#include <linux/netfilter.h>
++#include <net/netfilter/nf_flow_table.h>
++#endif
++
+ #define PPP_VERSION "2.4.2"
+
+ /*
+@@ -1378,12 +1383,37 @@ static void ppp_dev_priv_destructor(stru
+ ppp_destroy_interface(ppp);
+ }
+
++#if IS_ENABLED(CONFIG_NF_FLOW_TABLE)
++static int ppp_flow_offload_check(struct flow_offload_hw_path *path)
++{
++ struct ppp *ppp = netdev_priv(path->dev);
++ struct ppp_channel *chan;
++ struct channel *pch;
++
++ if (ppp->flags & SC_MULTILINK)
++ return -EOPNOTSUPP;
++
++ if (list_empty(&ppp->channels))
++ return -ENODEV;
++
++ pch = list_first_entry(&ppp->channels, struct channel, clist);
++ chan = pch->chan;
++ if (!chan->ops->flow_offload_check)
++ return -EOPNOTSUPP;
++
++ return chan->ops->flow_offload_check(chan, path);
++}
++#endif /* CONFIG_NF_FLOW_TABLE */
++
+ static const struct net_device_ops ppp_netdev_ops = {
+ .ndo_init = ppp_dev_init,
+ .ndo_uninit = ppp_dev_uninit,
+ .ndo_start_xmit = ppp_start_xmit,
+ .ndo_do_ioctl = ppp_net_ioctl,
+ .ndo_get_stats64 = ppp_get_stats64,
++#if IS_ENABLED(CONFIG_NF_FLOW_TABLE)
++ .ndo_flow_offload_check = ppp_flow_offload_check,
++#endif
+ };
+
+ static struct device_type ppp_type = {
+--- a/drivers/net/ppp/pppoe.c
++++ b/drivers/net/ppp/pppoe.c
+@@ -73,6 +73,11 @@
+ #include <linux/proc_fs.h>
+ #include <linux/seq_file.h>
+
++#if IS_ENABLED(CONFIG_NF_FLOW_TABLE)
++#include <linux/netfilter.h>
++#include <net/netfilter/nf_flow_table.h>
++#endif
++
+ #include <linux/nsproxy.h>
+ #include <net/net_namespace.h>
+ #include <net/netns/generic.h>
+@@ -974,8 +979,36 @@ static int pppoe_xmit(struct ppp_channel
+ return __pppoe_xmit(sk, skb);
+ }
+
++#if IS_ENABLED(CONFIG_NF_FLOW_TABLE)
++static int pppoe_flow_offload_check(struct ppp_channel *chan,
++ struct flow_offload_hw_path *path)
++{
++ struct sock *sk = (struct sock *)chan->private;
++ struct pppox_sock *po = pppox_sk(sk);
++ struct net_device *dev = po->pppoe_dev;
++
++ if (sock_flag(sk, SOCK_DEAD) ||
++ !(sk->sk_state & PPPOX_CONNECTED) || !dev)
++ return -ENODEV;
++
++ path->dev = po->pppoe_dev;
++ path->flags |= FLOW_OFFLOAD_PATH_PPPOE;
++ memcpy(path->eth_src, po->pppoe_dev->dev_addr, ETH_ALEN);
++ memcpy(path->eth_dest, po->pppoe_pa.remote, ETH_ALEN);
++ path->pppoe_sid = be16_to_cpu(po->num);
++
++ if (path->dev->netdev_ops->ndo_flow_offload_check)
++ return path->dev->netdev_ops->ndo_flow_offload_check(path);
++
++ return 0;
++}
++#endif /* CONFIG_NF_FLOW_TABLE */
++
+ static const struct ppp_channel_ops pppoe_chan_ops = {
+ .start_xmit = pppoe_xmit,
++#if IS_ENABLED(CONFIG_NF_FLOW_TABLE)
++ .flow_offload_check = pppoe_flow_offload_check,
++#endif
+ };
+
+ static int pppoe_recvmsg(struct socket *sock, struct msghdr *m,
+--- a/include/linux/ppp_channel.h
++++ b/include/linux/ppp_channel.h
+@@ -28,6 +28,10 @@ struct ppp_channel_ops {
+ int (*start_xmit)(struct ppp_channel *, struct sk_buff *);
+ /* Handle an ioctl call that has come in via /dev/ppp. */
+ int (*ioctl)(struct ppp_channel *, unsigned int, unsigned long);
++
++#if IS_ENABLED(CONFIG_NF_FLOW_TABLE)
++ int (*flow_offload_check)(struct ppp_channel *, struct flow_offload_hw_path *);
++#endif
+ };
+
+ struct ppp_channel {