[PATCH net-next] netfilter: nft_tunnel: Add dst_cache support
From: <hidden>
Date: 2019-02-22 08:27:09
Subsystem:
netfilter, networking [general], the rest · Maintainers:
Pablo Neira Ayuso, Florian Westphal, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: wenxu <redacted> The metadata_dst is not init the dst_cache which make the ip_md_tunnel_xmit can't use the dst_cache. It will lookup route table every packets. Signed-off-by: wenxu <redacted> --- net/netfilter/nft_tunnel.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/net/netfilter/nft_tunnel.c b/net/netfilter/nft_tunnel.c
index ea28588..b113fca 100644
--- a/net/netfilter/nft_tunnel.c
+++ b/net/netfilter/nft_tunnel.c@@ -406,6 +406,13 @@ static int nft_tunnel_obj_init(const struct nft_ctx *ctx, return -ENOMEM; memcpy(&md->u.tun_info, &info, sizeof(info)); +#ifdef CONFIG_DST_CACHE + err = dst_cache_init(&md->u.tun_info.dst_cache, GFP_KERNEL); + if (err < 0) { + metadata_dst_free(md); + return err; + } +#endif ip_tunnel_info_opts_set(&md->u.tun_info, &priv->opts.u, priv->opts.len, priv->opts.flags); priv->md = md;
--
1.8.3.1