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authorFlorin Coras <fcoras@cisco.com>2022-04-19 18:57:24 -0700
committerDave Barach <openvpp@barachs.net>2022-04-21 16:48:15 +0000
commit80d100cd59015d91c4f0abfaf07b6876088ecbf1 (patch)
tree5b0d949fcf012b359c0af8b4371afbe6d10c7a29 /src/vnet
parent5297447bd64ab253ab3ab3e144605dd39f995f12 (diff)
session svm: fix mq producer wait on q and ring
Make sure producer drops lock when it waits for empty ring slot. Type: fix Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Id77d54ee8c01bed20c9eaf5ad372ed4b1e9fa712
Diffstat (limited to 'src/vnet')
-rw-r--r--src/vnet/session/application_interface.h9
-rw-r--r--src/vnet/session/session.c3
2 files changed, 5 insertions, 7 deletions
diff --git a/src/vnet/session/application_interface.h b/src/vnet/session/application_interface.h
index 733a4627c2e..b1dab322dd7 100644
--- a/src/vnet/session/application_interface.h
+++ b/src/vnet/session/application_interface.h
@@ -613,8 +613,8 @@ app_send_io_evt_to_vpp (svm_msg_q_t * mq, u32 session_index, u8 evt_type,
{
if (svm_msg_q_try_lock (mq))
return -1;
- if (PREDICT_FALSE (svm_msg_q_ring_is_full (mq, SESSION_MQ_IO_EVT_RING)
- || svm_msg_q_is_full (mq)))
+ if (PREDICT_FALSE (
+ svm_msg_q_or_ring_is_full (mq, SESSION_MQ_IO_EVT_RING)))
{
svm_msg_q_unlock (mq);
return -2;
@@ -629,9 +629,8 @@ app_send_io_evt_to_vpp (svm_msg_q_t * mq, u32 session_index, u8 evt_type,
else
{
svm_msg_q_lock (mq);
- while (svm_msg_q_ring_is_full (mq, SESSION_MQ_IO_EVT_RING)
- || svm_msg_q_is_full (mq))
- svm_msg_q_wait_prod (mq);
+ while (svm_msg_q_or_ring_is_full (mq, SESSION_MQ_IO_EVT_RING))
+ svm_msg_q_or_ring_wait_prod (mq, SESSION_MQ_IO_EVT_RING);
msg = svm_msg_q_alloc_msg_w_ring (mq, SESSION_MQ_IO_EVT_RING);
evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg);
evt->session_index = session_index;
diff --git a/src/vnet/session/session.c b/src/vnet/session/session.c
index 256760079ee..d791c463f90 100644
--- a/src/vnet/session/session.c
+++ b/src/vnet/session/session.c
@@ -36,8 +36,7 @@ session_send_evt_to_thread (void *data, void *args, u32 thread_index,
mq = wrk->vpp_event_queue;
if (PREDICT_FALSE (svm_msg_q_lock (mq)))
return -1;
- if (PREDICT_FALSE (svm_msg_q_is_full (mq)
- || svm_msg_q_ring_is_full (mq, SESSION_MQ_IO_EVT_RING)))
+ if (PREDICT_FALSE (svm_msg_q_or_ring_is_full (mq, SESSION_MQ_IO_EVT_RING)))
{
svm_msg_q_unlock (mq);
return -2;