sctp: Fix problems with the new SCTP_DELAYED_ACK code

The default sack frequency should be 2.  Also fix copy/paste
error when updating all transports.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 81600ee..253e5ea 100644 (file)
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -2471,7 +2471,7 @@ static int sctp_setsockopt_delayed_ack(struct sock *sk,
                                        (trans->param_flags & ~SPP_SACKDELAY) |
                                        SPP_SACKDELAY_ENABLE;
                        }
-                       if (params.sack_delay == 1) {
+                       if (params.sack_freq == 1) {
                                trans->param_flags =
                                        (trans->param_flags & ~SPP_SACKDELAY) |
                                        SPP_SACKDELAY_DISABLE;
@@ -3536,7 +3536,7 @@ SCTP_STATIC int sctp_init_sock(struct sock *sk)
        sp->pathmaxrxt  = sctp_max_retrans_path;
        sp->pathmtu     = 0; // allow default discovery
        sp->sackdelay   = sctp_sack_timeout;
-       sp->sackfreq    = 3;
+       sp->sackfreq    = 2;
        sp->param_flags = SPP_HB_ENABLE |
                          SPP_PMTUD_ENABLE |
                          SPP_SACKDELAY_ENABLE;