vppinfra: add spinlock inline functions

[vpp.git] / src / vnet / devices / netmap / device.c

diff --git a/src/vnet/devices/netmap/device.c b/src/vnet/devices/netmap/device.c
index 2152824..aea9ddf 100644 (file)
--- a/src/vnet/devices/netmap/device.c
+++ b/src/vnet/devices/netmap/device.c
@@ -105,11 +105,7 @@ netmap_interface_tx (vlib_main_t * vm,
   netmap_if_t *nif = pool_elt_at_index (nm->interfaces, rd->dev_instance);
   int cur_ring;
 
-  if (PREDICT_FALSE (nif->lockp != 0))
-    {
-      while (__sync_lock_test_and_set (nif->lockp, 1))
-       ;
-    }
+  clib_spinlock_lock_if_init (&nif->lockp);
 
   cur_ring = nif->first_tx_ring;
 
@@ -165,8 +161,7 @@ netmap_interface_tx (vlib_main_t * vm,
   if (n_left < frame->n_vectors)
     ioctl (nif->fd, NIOCTXSYNC, NULL);
 
-  if (PREDICT_FALSE (nif->lockp != 0))
-    *nif->lockp = 0;
+  clib_spinlock_unlock_if_init (&nif->lockp);
 
   if (n_left)
     vlib_error_count (vm, node->node_index,