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-rw-r--r--src/vcl/ldp.c8
-rw-r--r--src/vcl/vppcom.c14
-rw-r--r--src/vcl/vppcom.h1
3 files changed, 21 insertions, 2 deletions
diff --git a/src/vcl/ldp.c b/src/vcl/ldp.c
index 566b5a858a3..bd3457fa8fd 100644
--- a/src/vcl/ldp.c
+++ b/src/vcl/ldp.c
@@ -613,7 +613,13 @@ ioctl (int fd, unsigned long int cmd, ...)
case FIONREAD:
rv = vls_attr (vlsh, VPPCOM_ATTR_GET_NREAD, 0, 0);
break;
-
+ case TIOCOUTQ:
+ {
+ u32 *buf = va_arg (ap, void *);
+ u32 *buflen = va_arg (ap, u32 *);
+ rv = vls_attr (vlsh, VPPCOM_ATTR_GET_NWRITEQ, buf, buflen);
+ }
+ break;
case FIONBIO:
{
u32 flags = *(va_arg (ap, int *)) ? O_NONBLOCK : 0;
diff --git a/src/vcl/vppcom.c b/src/vcl/vppcom.c
index a0a0336c787..a0bbae170f8 100644
--- a/src/vcl/vppcom.c
+++ b/src/vcl/vppcom.c
@@ -3585,7 +3585,19 @@ vppcom_session_attr (uint32_t session_handle, uint32_t op,
VDBG (2, "VPPCOM_ATTR_GET_NWRITE: sh %u, nwrite = %d", session_handle,
rv);
break;
-
+ case VPPCOM_ATTR_GET_NWRITEQ:
+ if (PREDICT_FALSE (!buffer || !buflen || *buflen != sizeof (int)))
+ {
+ rv = VPPCOM_EINVAL;
+ break;
+ }
+ if (!session->tx_fifo || session->session_state == VCL_STATE_DETACHED)
+ {
+ rv = VPPCOM_EINVAL;
+ break;
+ }
+ *(int *) buffer = svm_fifo_max_dequeue (session->tx_fifo);
+ break;
case VPPCOM_ATTR_GET_FLAGS:
if (PREDICT_TRUE (buffer && buflen && (*buflen >= sizeof (*flags))))
{
diff --git a/src/vcl/vppcom.h b/src/vcl/vppcom.h
index 5683cb2cf0b..386d7d0c3f7 100644
--- a/src/vcl/vppcom.h
+++ b/src/vcl/vppcom.h
@@ -184,6 +184,7 @@ typedef enum
VPPCOM_ATTR_SET_IP_PKTINFO,
VPPCOM_ATTR_GET_IP_PKTINFO,
VPPCOM_ATTR_GET_ORIGINAL_DST,
+ VPPCOM_ATTR_GET_NWRITEQ,
} vppcom_attr_op_t;
typedef struct _vcl_poll