diff options
| author |   Florin Coras <fcoras@cisco.com> | 2019-10-16 22:06:08 -0700 |
|---|---|---|
| committer |   Andrew Yourtchenko <ayourtch@gmail.com> | 2019-11-18 12:31:58 +0000 |
| commit | 57997c8748efd9023759e7270cedbf2124cf8d6e (patch) | |
| tree | 627573f2b61789ecab49a9418961f81201a0f95c /src/vnet/session/session_node.c | |
| parent | fd2f6f89e6610eac6110054b6c9cd190fa4c57e1 (diff) | |
session tcp: infra for transports to send buffers
Type: feature
Add infra that allows transpors to enqueue pending buffers without the
need to build and manage their own pending frames. An important benefit
is the fact that buffer wire/tx ordering is ensured by session layer.
Change-Id: I764fd1693d610b321a1d0c84b648a314f14583db
Signed-off-by: Florin Coras <fcoras@cisco.com>
(cherry picked from commit 2a7ea2ee92d6dc4800ee21323d3324a9e8449dcf)
Diffstat (limited to 'src/vnet/session/session_node.c')
| -rw-r--r-- | src/vnet/session/session_node.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/vnet/session/session_node.c b/src/vnet/session/session_node.c index 824085aecb9..d4470e0b283 100644 --- a/src/vnet/session/session_node.c +++ b/src/vnet/session/session_node.c @@ -1234,6 +1234,17 @@ session_evt_add_to_list (session_worker_t * wrk, session_event_t * evt) } } +static void +session_flush_pending_tx_buffers (session_worker_t * wrk, + vlib_node_runtime_t * node) +{ + vlib_buffer_enqueue_to_next (wrk->vm, node, wrk->pending_tx_buffers, + wrk->pending_tx_nexts, + vec_len (wrk->pending_tx_nexts)); + vec_reset_length (wrk->pending_tx_buffers); + vec_reset_length (wrk->pending_tx_nexts); +} + static uword session_queue_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) @@ -1339,6 +1350,9 @@ session_queue_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node, }; } + if (vec_len (wrk->pending_tx_buffers)) + session_flush_pending_tx_buffers (wrk, node); + vlib_node_increment_counter (vm, session_queue_node.index, SESSION_QUEUE_ERROR_TX, n_tx_packets); |