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authorFlorin Coras <fcoras@cisco.com>2019-04-17 09:57:46 -0700
committerDave Barach <openvpp@barachs.net>2019-04-17 18:26:42 +0000
commit317b8e08367c769b90463613231b9fcfad486098 (patch)
tree9780a58b12e287e969ef342d4f39c121e1c8c2c1 /src/vcl
parent6407ba56a392f37322001d0ffdca002223b095c0 (diff)
vcl/session: tx notifications for cut-thru sessions
Change-Id: I076c753e419bbb177d2d28609190715e9895b398 Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vcl')
-rw-r--r--src/vcl/vppcom.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/vcl/vppcom.c b/src/vcl/vppcom.c
index b5953872f81..e70aa001772 100644
--- a/src/vcl/vppcom.c
+++ b/src/vcl/vppcom.c
@@ -1530,6 +1530,14 @@ vppcom_session_read_internal (uint32_t session_handle, void *buf, int n,
if (svm_fifo_is_empty_cons (rx_fifo))
svm_fifo_unset_event (s->rx_fifo);
+ /* Cut-through sessions might request tx notifications on rx fifos */
+ if (PREDICT_FALSE (rx_fifo->want_tx_ntf))
+ {
+ app_send_io_evt_to_vpp (s->vpp_evt_q, s->rx_fifo->master_session_index,
+ SESSION_IO_EVT_RX, SVM_Q_WAIT);
+ svm_fifo_reset_tx_ntf (s->rx_fifo);
+ }
+
VDBG (2, "session %u[0x%llx]: read %d bytes from (%p)", s->session_index,
s->vpp_handle, n_read, rx_fifo);