diff options
Diffstat (limited to 'net/netfilter/nft_flow_offload.c')
-rw-r--r-- | net/netfilter/nft_flow_offload.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/net/netfilter/nft_flow_offload.c b/net/netfilter/nft_flow_offload.c index 143d049fd7f1..d25b4b109e25 100644 --- a/net/netfilter/nft_flow_offload.c +++ b/net/netfilter/nft_flow_offload.c @@ -66,6 +66,7 @@ static int nft_dev_fill_forward_path(const struct nf_flow_route *route, struct nft_forward_info { const struct net_device *indev; const struct net_device *outdev; + const struct net_device *hw_outdev; struct id { __u16 id; __be16 proto; @@ -76,9 +77,18 @@ struct nft_forward_info { enum flow_offload_xmit_type xmit_type; }; +static bool nft_is_valid_ether_device(const struct net_device *dev) +{ + if (!dev || (dev->flags & IFF_LOOPBACK) || dev->type != ARPHRD_ETHER || + dev->addr_len != ETH_ALEN || !is_valid_ether_addr(dev->dev_addr)) + return false; + + return true; +} + static void nft_dev_path_info(const struct net_device_path_stack *stack, struct nft_forward_info *info, - unsigned char *ha) + unsigned char *ha, struct nf_flowtable *flowtable) { const struct net_device_path *path; int i; @@ -140,6 +150,12 @@ static void nft_dev_path_info(const struct net_device_path_stack *stack, } if (!info->outdev) info->outdev = info->indev; + + info->hw_outdev = info->indev; + + if (nf_flowtable_hw_offload(flowtable) && + nft_is_valid_ether_device(info->indev)) + info->xmit_type = FLOW_OFFLOAD_XMIT_DIRECT; } static bool nft_flowtable_find_dev(const struct net_device *dev, @@ -171,7 +187,7 @@ static void nft_dev_forward_path(struct nf_flow_route *route, int i; if (nft_dev_fill_forward_path(route, dst, ct, dir, ha, &stack) >= 0) - nft_dev_path_info(&stack, &info, ha); + nft_dev_path_info(&stack, &info, ha, &ft->data); if (!info.indev || !nft_flowtable_find_dev(info.indev, ft)) return; @@ -187,6 +203,7 @@ static void nft_dev_forward_path(struct nf_flow_route *route, memcpy(route->tuple[dir].out.h_source, info.h_source, ETH_ALEN); memcpy(route->tuple[dir].out.h_dest, info.h_dest, ETH_ALEN); route->tuple[dir].out.ifindex = info.outdev->ifindex; + route->tuple[dir].out.hw_ifindex = info.hw_outdev->ifindex; route->tuple[dir].xmit_type = info.xmit_type; } } |