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.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.c')
| -rw-r--r-- | src/vnet/tcp/tcp.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/vnet/tcp/tcp.c b/src/vnet/tcp/tcp.c index f703d634b54..6d6a880eda8 100644 --- a/src/vnet/tcp/tcp.c +++ b/src/vnet/tcp/tcp.c @@ -1123,6 +1123,16 @@ tcp_session_push_header (transport_connection_t * tconn, vlib_buffer_t * b) return tcp_push_header (tc, b); } +static void +tcp_session_flush_data (transport_connection_t * tconn) +{ + tcp_connection_t *tc = (tcp_connection_t *) tconn; + if (tc->flags & TCP_CONN_PSH_PENDING) + return; + tc->flags |= TCP_CONN_PSH_PENDING; + tc->psh_seq = tc->snd_una_max + transport_max_tx_dequeue (tconn) - 1; +} + /* *INDENT-OFF* */ const static transport_proto_vft_t tcp_proto = { .enable = vnet_tcp_enable_disable, @@ -1139,6 +1149,7 @@ const static transport_proto_vft_t tcp_proto = { .send_space = tcp_session_send_space, .update_time = tcp_update_time, .tx_fifo_offset = tcp_session_tx_fifo_offset, + .flush_data = tcp_session_flush_data, .format_connection = format_tcp_session, .format_listener = format_tcp_listener_session, .format_half_open = format_tcp_half_open_session, |