diff options
| author |   Florin Coras <fcoras@cisco.com> | 2018-12-12 10:56:01 -0800 |
|---|---|---|
| committer |   Dave Barach <openvpp@barachs.net> | 2018-12-13 13:40:32 +0000 |
| commit | 42ceddb7cd836a89a12b0b8e623b06bc4c0cc0cb (patch) | |
| tree | 9731e8708e3ad9d96d418068d59743dbd8e69658 /src/vnet/tcp/tcp_output.c | |
| parent | 413f4a5b2123c1625d615315db293a080078482b (diff) | |
session/tcp: support tx flush mark
For tcp this means that the last enqueued data goes out with a psh bit
set.
Change-Id: I29d357ecae6f02e748b59a7b799150ec73d14ba2
Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vnet/tcp/tcp_output.c')
| -rw-r--r-- | src/vnet/tcp/tcp_output.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c index 74fc15fe6cc..7cee34995e3 100644 --- a/src/vnet/tcp/tcp_output.c +++ b/src/vnet/tcp/tcp_output.c @@ -1169,7 +1169,12 @@ tcp_push_hdr_i (tcp_connection_t * tc, vlib_buffer_t * b, advertise_wnd = tcp_window_to_advertise (tc, next_state); flags = tcp_make_state_flags (tc, next_state); - + if (PREDICT_FALSE (tc->flags & TCP_CONN_PSH_PENDING)) + { + if (seq_geq (tc->psh_seq, tc->snd_nxt) + && seq_lt (tc->psh_seq, tc->snd_nxt + data_len)) + flags |= TCP_FLAG_PSH; + } th = vlib_buffer_push_tcp (b, tc->c_lcl_port, tc->c_rmt_port, tc->snd_nxt, tc->rcv_nxt, tcp_hdr_opts_len, flags, advertise_wnd); |