diff options
Diffstat (limited to 'target/linux/generic/pending-4.19/644-net-pppoe-support-hardware-flow-table-offload.patch')
| -rw-r--r-- | target/linux/generic/pending-4.19/644-net-pppoe-support-hardware-flow-table-offload.patch | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/target/linux/generic/pending-4.19/644-net-pppoe-support-hardware-flow-table-offload.patch b/target/linux/generic/pending-4.19/644-net-pppoe-support-hardware-flow-table-offload.patch new file mode 100644 index 0000000000..edba04ccf6 --- /dev/null +++ b/target/linux/generic/pending-4.19/644-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 +@@ -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> +@@ -977,8 +982,36 @@ 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 { |