From: Ilpo Järvinen <[email protected]> Prepare for AccECN that needs to have access here on IP ECN field value which is only available after INET_ECN_xmit().
No functional changes. Signed-off-by: Ilpo Järvinen <[email protected]> Signed-off-by: Chia-Yu Chang <[email protected]> Reviewed-by: Eric Dumazet <[email protected]> --- net/ipv4/tcp_output.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index e180364b8dda..54b8faa3ad95 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -350,10 +350,11 @@ static void tcp_ecn_send_syn(struct sock *sk, struct sk_buff *skb) tp->ecn_flags = 0; if (use_ecn) { - TCP_SKB_CB(skb)->tcp_flags |= TCPHDR_ECE | TCPHDR_CWR; - tcp_ecn_mode_set(tp, TCP_ECN_MODE_RFC3168); if (tcp_ca_needs_ecn(sk) || bpf_needs_ecn) INET_ECN_xmit(sk); + + TCP_SKB_CB(skb)->tcp_flags |= TCPHDR_ECE | TCPHDR_CWR; + tcp_ecn_mode_set(tp, TCP_ECN_MODE_RFC3168); } } -- 2.34.1
