kernel: remove support for kernel 4.14
[openwrt/openwrt.git] / target / linux / generic / pending-4.14 / 644-net-pppoe-support-hardware-flow-table-offload.patch
diff --git a/target/linux/generic/pending-4.14/644-net-pppoe-support-hardware-flow-table-offload.patch b/target/linux/generic/pending-4.14/644-net-pppoe-support-hardware-flow-table-offload.patch
deleted file mode 100644 (file)
index 191cbcf..0000000
+++ /dev/null
@@ -1,125 +0,0 @@
-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
-@@ -56,6 +56,11 @@
- #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"
- /*
-@@ -1382,12 +1387,37 @@ 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
-@@ -78,6 +78,11 @@
- #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>
-@@ -981,8 +986,36 @@ 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
-@@ -32,6 +32,10 @@ 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 {