diff options
| author |   Simon Zhang <yuwei1.zhang@intel.com> | 2019-09-02 22:54:00 +0800 |
|---|---|---|
| committer |   Andrew Yourtchenko <ayourtch@gmail.com> | 2019-09-29 16:32:26 +0000 |
| commit | 6f3621d772d0dafa745081b32a8769b4c42af059 (patch) | |
| tree | 5d10459d038e89a1d591f126b3ec33cd840b7854 /src/vnet/tcp/tcp.c | |
| parent | 56f1938ee26993c9777f42c1d7589999ac266cbe (diff) | |
tcp: enable gso in tcp hoststack
Type: feature
Change-Id: If68d07fbe8c6f7fffd2f93c7e854367082927e4f
Signed-off-by: Simon Zhang <yuwei1.zhang@intel.com>
(cherry picked from commit 1146ff4bcd336d8efc19405f1d83914e6115a01f)
Diffstat (limited to 'src/vnet/tcp/tcp.c')
| -rw-r--r-- | src/vnet/tcp/tcp.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/vnet/tcp/tcp.c b/src/vnet/tcp/tcp.c index d060654a037..cbb95777820 100644 --- a/src/vnet/tcp/tcp.c +++ b/src/vnet/tcp/tcp.c @@ -1175,6 +1175,17 @@ tcp_half_open_session_get_transport (u32 conn_index) return &tc->connection; } +static u16 +tcp_session_cal_goal_size (tcp_connection_t * tc) +{ + u16 goal_size = tc->snd_mss; + + goal_size = TCP_MAX_GSO_SZ - tc->snd_mss % TCP_MAX_GSO_SZ; + goal_size = clib_min (goal_size, tc->snd_wnd / 2); + + return goal_size; +} + /** * Compute maximum segment size for session layer. * @@ -1192,6 +1203,11 @@ tcp_session_send_mss (transport_connection_t * trans_conn) * the current state of the connection. */ tcp_update_burst_snd_vars (tc); + if (PREDICT_FALSE (tc->is_tso)) + { + return tcp_session_cal_goal_size (tc); + } + return tc->snd_mss; } |