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authorRussell King <rmk+kernel@armlinux.org.uk>2016-10-06 08:56:43 +0100
committerRussell King <rmk+kernel@armlinux.org.uk>2016-10-06 08:56:43 +0100
commit301a36fa700f9add6e14f5a95c7573e01578343a (patch)
tree6ff94ff3b08b838353b9127eb5f8055b3de6b25f /net/ipv4/tcp_ipv4.c
parentb828f960215f02e5d2c88bbd27565c694254a15a (diff)
parentb60752f2b20c167859943e001727f0d4da419b23 (diff)
Merge branches 'misc' and 'sa1111-base' into for-linus
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
-rw-r--r--net/ipv4/tcp_ipv4.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 32b048e524d6..7158d4f8dae4 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -814,8 +814,14 @@ static void tcp_v4_reqsk_send_ack(const struct sock *sk, struct sk_buff *skb,
u32 seq = (sk->sk_state == TCP_LISTEN) ? tcp_rsk(req)->snt_isn + 1 :
tcp_sk(sk)->snd_nxt;
+ /* RFC 7323 2.3
+ * The window field (SEG.WND) of every outgoing segment, with the
+ * exception of <SYN> segments, MUST be right-shifted by
+ * Rcv.Wind.Shift bits:
+ */
tcp_v4_send_ack(sock_net(sk), skb, seq,
- tcp_rsk(req)->rcv_nxt, req->rsk_rcv_wnd,
+ tcp_rsk(req)->rcv_nxt,
+ req->rsk_rcv_wnd >> inet_rsk(req)->rcv_wscale,
tcp_time_stamp,
req->ts_recent,
0,