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authorYuchung Cheng <ycheng@google.com>2015-04-29 11:28:30 -0700
committerDavid S. Miller <davem@davemloft.net>2015-04-29 17:10:38 -0400
commit9dac8835440622c2f84591673969d510ce198c11 (patch)
tree2bd12ba14de9be870cb7d02ad12e2ebd9cc98c6e /net
parent6e9250f59ef9efb932c84850cd221f22c2a03c4a (diff)
downloadkernel-9dac8835440622c2f84591673969d510ce198c11.tar.gz
tcp: update reordering first before detecting loss
tcp_mark_lost_retrans is not used when FACK is disabled. Since tcp_update_reordering may disable FACK, it should be called first before tcp_mark_lost_retrans. Signed-off-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: Nandita Dukkipati <nanditad@google.com> Signed-off-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/tcp_input.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 7e6962bcfc30..bc790ea9960f 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1820,14 +1820,12 @@ advance_sp:
for (j = 0; j < used_sacks; j++)
tp->recv_sack_cache[i++] = sp[j];
- tcp_mark_lost_retrans(sk);
-
- tcp_verify_left_out(tp);
-
if ((state.reord < tp->fackets_out) &&
((inet_csk(sk)->icsk_ca_state != TCP_CA_Loss) || tp->undo_marker))
tcp_update_reordering(sk, tp->fackets_out - state.reord, 0);
+ tcp_mark_lost_retrans(sk);
+ tcp_verify_left_out(tp);
out:
#if FASTRETRANS_DEBUG > 0