| From fd6e50fdeb1d943b889a5aa093790a798ae598d3 Mon Sep 17 00:00:00 2001 |
| From: Sam Shih <sam.shih@mediatek.com> |
| Date: Fri, 2 Jun 2023 13:06:29 +0800 |
| Subject: [PATCH] |
| [networking][999-2708-mtkhnat-add-support-for-virtual-interface-acceleration.patch] |
| |
| --- |
| include/net/netfilter/nf_flow_table.h | 3 +++ |
| net/8021q/vlan_dev.c | 1 + |
| net/ipv6/ip6_tunnel.c | 24 ++++++++++++++++++++++++ |
| net/ipv6/sit.c | 24 ++++++++++++++++++++++++ |
| 4 files changed, 52 insertions(+) |
| |
| diff --git a/include/net/netfilter/nf_flow_table.h b/include/net/netfilter/nf_flow_table.h |
| index 16dbf5461..4cb73a7cb 100644 |
| --- a/include/net/netfilter/nf_flow_table.h |
| +++ b/include/net/netfilter/nf_flow_table.h |
| @@ -94,9 +94,12 @@ struct flow_offload { |
| #define FLOW_OFFLOAD_PATH_VLAN BIT(1) |
| #define FLOW_OFFLOAD_PATH_PPPOE BIT(2) |
| #define FLOW_OFFLOAD_PATH_DSA BIT(3) |
| +#define FLOW_OFFLOAD_PATH_DSLITE BIT(4) |
| +#define FLOW_OFFLOAD_PATH_6RD BIT(5) |
| |
| struct flow_offload_hw_path { |
| struct net_device *dev; |
| + struct net_device *virt_dev; |
| u32 flags; |
| |
| u8 eth_src[ETH_ALEN]; |
| diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c |
| index f973bec77..dbb3cea5c 100644 |
| --- a/net/8021q/vlan_dev.c |
| +++ b/net/8021q/vlan_dev.c |
| @@ -764,6 +764,7 @@ static int vlan_dev_flow_offload_check(struct flow_offload_hw_path *path) |
| path->flags |= FLOW_OFFLOAD_PATH_VLAN; |
| path->vlan_proto = vlan->vlan_proto; |
| path->vlan_id = vlan->vlan_id; |
| + path->virt_dev = dev; |
| path->dev = vlan->real_dev; |
| |
| if (vlan->real_dev->netdev_ops->ndo_flow_offload_check) |
| diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c |
| index 71ef26e60..f8302fdd5 100644 |
| --- a/net/ipv6/ip6_tunnel.c |
| +++ b/net/ipv6/ip6_tunnel.c |
| @@ -57,6 +57,11 @@ |
| #include <net/netns/generic.h> |
| #include <net/dst_metadata.h> |
| |
| +#if IS_ENABLED(CONFIG_NF_FLOW_TABLE) |
| +#include <linux/netfilter.h> |
| +#include <net/netfilter/nf_flow_table.h> |
| +#endif |
| + |
| MODULE_AUTHOR("Ville Nuorvala"); |
| MODULE_DESCRIPTION("IPv6 tunneling device"); |
| MODULE_LICENSE("GPL"); |
| @@ -1889,6 +1894,22 @@ int ip6_tnl_get_iflink(const struct net_device *dev) |
| } |
| EXPORT_SYMBOL(ip6_tnl_get_iflink); |
| |
| +#if IS_ENABLED(CONFIG_NF_FLOW_TABLE) |
| +static int ipip6_dev_flow_offload_check(struct flow_offload_hw_path *path) |
| +{ |
| + struct net_device *dev = path->dev; |
| + struct ip6_tnl *tnl = netdev_priv(dev); |
| + |
| + if (path->flags & FLOW_OFFLOAD_PATH_DSLITE) |
| + return -EEXIST; |
| + |
| + path->flags |= FLOW_OFFLOAD_PATH_DSLITE; |
| + path->dev = tnl->dev; |
| + |
| + return 0; |
| +} |
| +#endif /* CONFIG_NF_FLOW_TABLE */ |
| + |
| int ip6_tnl_encap_add_ops(const struct ip6_tnl_encap_ops *ops, |
| unsigned int num) |
| { |
| @@ -1950,6 +1971,9 @@ static const struct net_device_ops ip6_tnl_netdev_ops = { |
| .ndo_change_mtu = ip6_tnl_change_mtu, |
| .ndo_get_stats = ip6_get_stats, |
| .ndo_get_iflink = ip6_tnl_get_iflink, |
| +#if IS_ENABLED(CONFIG_NF_FLOW_TABLE) |
| + .ndo_flow_offload_check = ipip6_dev_flow_offload_check, |
| +#endif |
| }; |
| |
| #define IPXIPX_FEATURES (NETIF_F_SG | \ |
| diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c |
| index 117960895..0844a95e3 100644 |
| --- a/net/ipv6/sit.c |
| +++ b/net/ipv6/sit.c |
| @@ -52,6 +52,11 @@ |
| #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 |
| + |
| /* |
| This version of net/ipv6/sit.c is cloned of net/ipv4/ip_gre.c |
| |
| @@ -1342,6 +1347,22 @@ done: |
| return err; |
| } |
| |
| +#if IS_ENABLED(CONFIG_NF_FLOW_TABLE) |
| +static int ipip6_dev_flow_offload_check(struct flow_offload_hw_path *path) |
| +{ |
| + struct net_device *dev = path->dev; |
| + struct ip_tunnel *tnl = netdev_priv(dev); |
| + |
| + if (path->flags & FLOW_OFFLOAD_PATH_6RD) |
| + return -EEXIST; |
| + |
| + path->flags |= FLOW_OFFLOAD_PATH_6RD; |
| + path->dev = tnl->dev; |
| + |
| + return 0; |
| +} |
| +#endif /* CONFIG_NF_FLOW_TABLE */ |
| + |
| static const struct net_device_ops ipip6_netdev_ops = { |
| .ndo_init = ipip6_tunnel_init, |
| .ndo_uninit = ipip6_tunnel_uninit, |
| @@ -1349,6 +1370,9 @@ static const struct net_device_ops ipip6_netdev_ops = { |
| .ndo_do_ioctl = ipip6_tunnel_ioctl, |
| .ndo_get_stats64 = ip_tunnel_get_stats64, |
| .ndo_get_iflink = ip_tunnel_get_iflink, |
| +#if IS_ENABLED(CONFIG_NF_FLOW_TABLE) |
| + .ndo_flow_offload_check = ipip6_dev_flow_offload_check, |
| +#endif |
| }; |
| |
| static void ipip6_dev_free(struct net_device *dev) |
| -- |
| 2.34.1 |
| |