Fix merge [2/2]: "tcp: introduce per-route feature RTAX_FEATURE_ECN_LOW"

Signed-off-by: Alexandre Frade <kernel@xanmod.org>
xanmod · Jan 10, 2024 · 627963a · 627963a
1 parent bd790be
commit 627963a
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/include/net/tcp.h b/include/net/tcp.h
@@ -725,6 +725,15 @@ static inline void tcp_fast_path_check(struct sock *sk)
 		tcp_fast_path_on(tp);
 }
 
+static inline void tcp_set_ecn_low_from_dst(struct sock *sk,
+					    const struct dst_entry *dst)
+{
+	struct tcp_sock *tp = tcp_sk(sk);
+
+	if (dst_feature(dst, RTAX_FEATURE_ECN_LOW))
+		tp->ecn_flags |= TCP_ECN_LOW;
+}
+
 u32 tcp_delack_max(const struct sock *sk);
 
 /* Compute the actual rto_min value */