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| author |   Jakub Kicinski <kuba@kernel.org> | 2025-02-13 09:38:50 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-02-13 09:38:50 -0800 |
| commit | 458bf63d175ec5f192a3213380c1456bf17f2075 (patch) | |
| tree | 72eb69964a438fbbfa9760cf931a8749769c63e1 /net | |
| parent | Reapply "net: skb: introduce and use a single page frag cache" (diff) | |
| parent | Revert "netfilter: flowtable: teardown flow if cached mtu is stale" (diff) | |
| download | wireguard-linux-458bf63d175ec5f192a3213380c1456bf17f2075.tar.xz wireguard-linux-458bf63d175ec5f192a3213380c1456bf17f2075.zip | |
Merge tag 'nf-25-02-13' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following batch contains one revert for:
1) Revert flowtable entry teardown cycle when skbuff exceeds mtu to
deal with DF flag unset scenarios. This is reverts a patch coming
in the previous merge window (available in 6.14-rc releases).
* tag 'nf-25-02-13' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
Revert "netfilter: flowtable: teardown flow if cached mtu is stale"
====================
Link: https://patch.msgid.link/20250213100502.3983-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/netfilter/nf_flow_table_ip.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/net/netfilter/nf_flow_table_ip.c b/net/netfilter/nf_flow_table_ip.c index 97c6eb8847a0..8cd4cf7ae211 100644 --- a/net/netfilter/nf_flow_table_ip.c +++ b/net/netfilter/nf_flow_table_ip.c @@ -381,10 +381,8 @@ static int nf_flow_offload_forward(struct nf_flowtable_ctx *ctx, flow = container_of(tuplehash, struct flow_offload, tuplehash[dir]); mtu = flow->tuplehash[dir].tuple.mtu + ctx->offset; - if (unlikely(nf_flow_exceeds_mtu(skb, mtu))) { - flow_offload_teardown(flow); + if (unlikely(nf_flow_exceeds_mtu(skb, mtu))) return 0; - } iph = (struct iphdr *)(skb_network_header(skb) + ctx->offset); thoff = (iph->ihl * 4) + ctx->offset; @@ -662,10 +660,8 @@ static int nf_flow_offload_ipv6_forward(struct nf_flowtable_ctx *ctx, flow = container_of(tuplehash, struct flow_offload, tuplehash[dir]); mtu = flow->tuplehash[dir].tuple.mtu + ctx->offset; - if (unlikely(nf_flow_exceeds_mtu(skb, mtu))) { - flow_offload_teardown(flow); + if (unlikely(nf_flow_exceeds_mtu(skb, mtu))) return 0; - } ip6h = (struct ipv6hdr *)(skb_network_header(skb) + ctx->offset); thoff = sizeof(*ip6h) + ctx->offset; |