net: TCP thin dupack

[pandora-kernel.git] / net / ipv4 / tcp.c

diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 21bae9a..5901010 100644 (file)
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2236,6 +2236,13 @@ static int do_tcp_setsockopt(struct sock *sk, int level,
                        tp->thin_lto = val;
                break;
 
+       case TCP_THIN_DUPACK:
+               if (val < 0 || val > 1)
+                       err = -EINVAL;
+               else
+                       tp->thin_dupack = val;
+               break;
+
        case TCP_CORK:
                /* When set indicates to always queue non-full frames.
                 * Later the user clears this option and we transmit