diff options
author | Ilpo Järvinen <ij@kernel.org> | 2025-03-05 23:38:50 +0100 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2025-03-17 13:55:54 +0000 |
commit | d722762c4eaa918d3d2f78b41cca3f480a616d65 (patch) | |
tree | ce5d5b07a1e56c08725a6880c44172f89b5bc6f9 /net/ipv4/tcp_ipv4.c | |
parent | 4e4f7cefb130af6aba6a393b2d13930b49390df9 (diff) |
tcp: AccECN support to tcp_add_backlog
AE flag needs to be preserved for AccECN.
Signed-off-by: Ilpo Järvinen <ij@kernel.org>
Signed-off-by: Chia-Yu Chang <chia-yu.chang@nokia-bell-labs.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
-rw-r--r-- | net/ipv4/tcp_ipv4.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index fab684221bf72..87f270ebc635f 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -2051,7 +2051,8 @@ bool tcp_add_backlog(struct sock *sk, struct sk_buff *skb, !((TCP_SKB_CB(tail)->tcp_flags & TCP_SKB_CB(skb)->tcp_flags) & TCPHDR_ACK) || ((TCP_SKB_CB(tail)->tcp_flags ^ - TCP_SKB_CB(skb)->tcp_flags) & (TCPHDR_ECE | TCPHDR_CWR)) || + TCP_SKB_CB(skb)->tcp_flags) & + (TCPHDR_ECE | TCPHDR_CWR | TCPHDR_AE)) || !tcp_skb_can_collapse_rx(tail, skb) || thtail->doff != th->doff || memcmp(thtail + 1, th + 1, hdrlen - sizeof(*th))) |