diff options
| author |   Florin Coras <fcoras@cisco.com> | 2018-07-17 10:46:29 -0700 |
|---|---|---|
| committer |   Florin Coras <florin.coras@gmail.com> | 2018-07-27 17:40:29 +0000 |
| commit | 54693d23307ce8944a4d97379efd3bd4dcf0485c (patch) | |
| tree | 14ee8cded17a87405de9c0cc9ba3fe7370aabc7f /src/vnet/session/session_node.c | |
| parent | 5df580eec93c0c6fc07dd38f8713f671565b9c38 (diff) | |
vcl: use events for epoll/select/read/write
Have vcl poll and wait on the event message queues as opposed to
constantly polling the session fifos. This also adds event signaling to
cut through sessions.
On the downside, because we can't wait on multiple condvars, i.e., when
we have multiple message queues because of cut-through registrations, we
do timed waits.
Change-Id: I29ade95dba449659fe46008bb1af502276a7c5fd
Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vnet/session/session_node.c')
| -rw-r--r-- | src/vnet/session/session_node.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/vnet/session/session_node.c b/src/vnet/session/session_node.c index baabb05943d..30cd5ae9a4d 100644 --- a/src/vnet/session/session_node.c +++ b/src/vnet/session/session_node.c @@ -795,7 +795,7 @@ skip_dequeue: { stream_session_t *s; /* $$$ prefetch 1 ahead maybe */ session_event_t *e; - u32 to_dequeue; + u8 is_full; e = &fifo_events[i]; switch (e->event_type) @@ -814,7 +814,7 @@ skip_dequeue: clib_warning ("It's dead, Jim!"); continue; } - to_dequeue = svm_fifo_max_dequeue (s->server_tx_fifo); + is_full = svm_fifo_is_full (s->server_tx_fifo); /* Spray packets in per session type frames, since they go to * different nodes */ @@ -823,7 +823,7 @@ skip_dequeue: if (PREDICT_TRUE (rv == SESSION_TX_OK)) { /* Notify app there's tx space if not polling */ - if (PREDICT_FALSE (to_dequeue == s->server_tx_fifo->nitems + if (PREDICT_FALSE (is_full && !svm_fifo_has_event (s->server_tx_fifo))) session_dequeue_notify (s); } |