diff options
author | Florin Coras <fcoras@cisco.com> | 2017-03-30 02:54:28 -0700 |
---|---|---|
committer | Dave Barach <openvpp@barachs.net> | 2017-04-02 14:02:30 +0000 |
commit | 3e350af5d3e9744a4529a28dd293b2d4601442f7 (patch) | |
tree | e4b489ddd509fc96382d49592cfc5bafc412a216 /src/vnet/tcp/tcp.c | |
parent | 799e26d5bdf6b74ab615644e0cd291de6e352989 (diff) |
TCP cc/window management fixes and debugging
- added persist timer
- update rcv_las whenever sending an ack
- moved fifo size to its own cache line
- improved session and builtin client debugging
Change-Id: Ia649cf942cf0c061a713e8b67f0eb6974a6cd55b
Signed-off-by: Florin Coras <fcoras@cisco.com>
Signed-off-by: Dave Barach <dave@barachs.net>
Diffstat (limited to 'src/vnet/tcp/tcp.c')
-rw-r--r-- | src/vnet/tcp/tcp.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/vnet/tcp/tcp.c b/src/vnet/tcp/tcp.c index c3df5bc1d3e..b2a371e2cd8 100644 --- a/src/vnet/tcp/tcp.c +++ b/src/vnet/tcp/tcp.c @@ -578,7 +578,9 @@ tcp_session_send_space (transport_connection_t * trans_conn) /* If we can't write at least a segment, don't try at all */ if (snd_space < tc->snd_mss) return 0; - return snd_space; + + /* round down to mss multiple */ + return snd_space - (snd_space % tc->snd_mss); } /* If in fast recovery, send 1 SMSS if wnd allows */ @@ -706,7 +708,7 @@ static timer_expiration_handler *timer_expiration_handlers[TCP_N_TIMERS] = { tcp_timer_retransmit_handler, tcp_timer_delack_handler, - 0, + tcp_timer_persist_handler, tcp_timer_keep_handler, tcp_timer_waitclose_handler, tcp_timer_retransmit_syn_handler, |