diff options
| author |   Florin Coras <fcoras@cisco.com> | 2021-02-17 17:35:32 -0800 |
|---|---|---|
| committer |   Dave Barach <openvpp@barachs.net> | 2021-02-18 15:38:37 +0000 |
| commit | 8fb22fdade3633f1116c44b913934fcffe0d861b (patch) | |
| tree | 857ff1f60508978e3979aee60f523962517c2ba5 | |
| parent | 89ece7dba33f87a69350406a9bfd0ad7976544e0 (diff) | |
vcl: epoll out deq notifications only if fifo exists
Type: fix
Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: Ia37d8474224f6074826c9ffb82feb919b2ef52f7
| -rw-r--r-- | src/vcl/vppcom.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/vcl/vppcom.c b/src/vcl/vppcom.c index 80f0ad7b202..b576e1a8dd3 100644 --- a/src/vcl/vppcom.c +++ b/src/vcl/vppcom.c @@ -2658,10 +2658,13 @@ vppcom_epoll_ctl (uint32_t vep_handle, int op, uint32_t session_handle, s->vep.et_mask = VEP_DEFAULT_ET_MASK; s->vep.ev = *event; txf = vcl_session_is_ct (s) ? s->ct_tx_fifo : s->tx_fifo; - if (event->events & EPOLLOUT) - svm_fifo_add_want_deq_ntf (txf, SVM_FIFO_WANT_DEQ_NOTIF_IF_FULL); - else - svm_fifo_del_want_deq_ntf (txf, SVM_FIFO_WANT_DEQ_NOTIF_IF_FULL); + if (txf) + { + if (event->events & EPOLLOUT) + svm_fifo_add_want_deq_ntf (txf, SVM_FIFO_WANT_DEQ_NOTIF_IF_FULL); + else + svm_fifo_del_want_deq_ntf (txf, SVM_FIFO_WANT_DEQ_NOTIF_IF_FULL); + } VDBG (1, "EPOLL_CTL_MOD: vep_sh %u, sh %u, events 0x%x, data 0x%llx!", vep_handle, session_handle, event->events, event->data.u64); break; |