session: fix vpp to app msg generation

[vpp.git] / src / svm / message_queue.c

diff --git a/src/svm/message_queue.c b/src/svm/message_queue.c
index 13d089a..a40c4a4 100644 (file)
--- a/src/svm/message_queue.c
+++ b/src/svm/message_queue.c
@@ -72,7 +72,7 @@ svm_msg_q_alloc (svm_msg_q_cfg_t * cfg)
   vh = (vec_header_t *) ((u8 *) mq->q + q_sz);
   vh->len = cfg->n_rings;
   mq->rings = (svm_msg_q_ring_t *) (vh + 1);
-  rings_ptr = (u8 *) mq->rings + vec_sz;
+  rings_ptr = (u8 *) mq->rings + sizeof (svm_msg_q_ring_t) * cfg->n_rings;
   for (i = 0; i < cfg->n_rings; i++)
     {
       ring = &mq->rings[i];
@@ -120,7 +120,8 @@ svm_msg_q_lock_and_alloc_msg_w_ring (svm_msg_q_t * mq, u32 ring_index,
     {
       if (svm_msg_q_try_lock (mq))
        return -1;
-      if (PREDICT_FALSE (svm_msg_q_ring_is_full (mq, ring_index)))
+      if (PREDICT_FALSE (svm_msg_q_is_full (mq)
+                        || svm_msg_q_ring_is_full (mq, ring_index)))
        {
          svm_msg_q_unlock (mq);
          return -2;
@@ -135,7 +136,8 @@ svm_msg_q_lock_and_alloc_msg_w_ring (svm_msg_q_t * mq, u32 ring_index,
   else
     {
       svm_msg_q_lock (mq);
-      while (svm_msg_q_ring_is_full (mq, ring_index))
+      while (svm_msg_q_is_full (mq)
+            || svm_msg_q_ring_is_full (mq, ring_index))
        svm_msg_q_wait (mq);
       *msg = svm_msg_q_alloc_msg_w_ring (mq, ring_index);
     }