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Diffstat (limited to 'net/ipv6/tcp_ipv6.c')
-rw-r--r--net/ipv6/tcp_ipv6.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 1a1510513739..e254569a3005 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -528,7 +528,8 @@ static int tcp_v6_send_synack(const struct sock *sk, struct dst_entry *dst,
fl6->flowlabel = ip6_flowlabel(ipv6_hdr(ireq->pktopts));
tclass = sock_net(sk)->ipv4.sysctl_tcp_reflect_tos ?
- tcp_rsk(req)->syn_tos & ~INET_ECN_MASK :
+ (tcp_rsk(req)->syn_tos & ~INET_ECN_MASK) |
+ (np->tclass & INET_ECN_MASK) :
np->tclass;
if (!INET_ECN_is_capable(tclass) &&
@@ -1325,7 +1326,9 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff *
if (np->repflow)
newnp->flow_label = ip6_flowlabel(ipv6_hdr(skb));
- /* Set ToS of the new socket based upon the value of incoming SYN. */
+ /* Set ToS of the new socket based upon the value of incoming SYN.
+ * ECT bits are set later in tcp_init_transfer().
+ */
if (sock_net(sk)->ipv4.sysctl_tcp_reflect_tos)
newnp->tclass = tcp_rsk(req)->syn_tos & ~INET_ECN_MASK;