Re: [PATCH v2 net-next 11/14] tcp: accecn: fallback outgoing half link to non-AccECN
From: Paolo Abeni <pabeni@redhat.com>
Date: 2025-09-23 10:28:38
Also in:
bpf, linux-doc, linux-kselftest
On 9/18/25 6:21 PM, chia-yu.chang@nokia-bell-labs.com wrote:
quoted hunk ↗ jump to hunk
diff --git a/include/net/tcp_ecn.h b/include/net/tcp_ecn.h index 2256d2efa5ec..8317c3f279c9 100644 --- a/include/net/tcp_ecn.h +++ b/include/net/tcp_ecn.h@@ -169,7 +169,10 @@ static inline void tcp_accecn_third_ack(struct sock *sk, switch (ace) { case 0x0: /* Invalid value */ - tcp_accecn_fail_mode_set(tp, TCP_ACCECN_ACE_FAIL_RECV); + if (!TCP_SKB_CB(skb)->sacked) { + tcp_accecn_fail_mode_set(tp, TCP_ACCECN_ACE_FAIL_RECV | + TCP_ACCECN_OPT_FAIL_RECV); + }
Minor nit: brackets are not needed above. /P