vlib rename vlib_frame_args(...) to vlib_frame_scalar_args(..)

Typically we have scalar_size == 0, so it doesn't matter
but vlib_frame_args was providing pointer to scalar frame
data, not vector data. To avoid future confusion function
is renamed to vlib_frame_scalar_args(...)

Change-Id: I48b75523b46d487feea24f3f3cb10c528dde516f
Signed-off-by: Damjan Marion <damarion@cisco.com>
diff --git a/src/vnet/devices/af_packet/device.c b/src/vnet/devices/af_packet/device.c
index b8c7501..811642e 100644
--- a/src/vnet/devices/af_packet/device.c
+++ b/src/vnet/devices/af_packet/device.c
@@ -81,7 +81,7 @@
 			vlib_node_runtime_t * node, vlib_frame_t * frame)
 {
   af_packet_main_t *apm = &af_packet_main;
-  u32 *buffers = vlib_frame_args (frame);
+  u32 *buffers = vlib_frame_vector_args (frame);
   u32 n_left = frame->n_vectors;
   u32 n_sent = 0;
   vnet_interface_output_runtime_t *rd = (void *) node->runtime_data;
@@ -168,7 +168,7 @@
     vlib_error_count (vm, node->node_index, AF_PACKET_TX_ERROR_TXRING_OVERRUN,
 		      n_left);
 
-  vlib_buffer_free (vm, vlib_frame_args (frame), frame->n_vectors);
+  vlib_buffer_free (vm, vlib_frame_vector_args (frame), frame->n_vectors);
   return frame->n_vectors;
 }
 
diff --git a/src/vnet/devices/netmap/device.c b/src/vnet/devices/netmap/device.c
index e39888f..409a52f 100644
--- a/src/vnet/devices/netmap/device.c
+++ b/src/vnet/devices/netmap/device.c
@@ -98,7 +98,7 @@
 		     vlib_node_runtime_t * node, vlib_frame_t * frame)
 {
   netmap_main_t *nm = &netmap_main;
-  u32 *buffers = vlib_frame_args (frame);
+  u32 *buffers = vlib_frame_vector_args (frame);
   u32 n_left = frame->n_vectors;
   f64 const time_constant = 1e3;
   vnet_interface_output_runtime_t *rd = (void *) node->runtime_data;
@@ -169,7 +169,7 @@
 		       frame->n_vectors ? NETMAP_TX_ERROR_PENDING_MSGS :
 		       NETMAP_TX_ERROR_NO_FREE_SLOTS), n_left);
 
-  vlib_buffer_free (vm, vlib_frame_args (frame), frame->n_vectors);
+  vlib_buffer_free (vm, vlib_frame_vector_args (frame), frame->n_vectors);
   return frame->n_vectors;
 }
 
diff --git a/src/vnet/devices/pipe/pipe.c b/src/vnet/devices/pipe/pipe.c
index 8b30f47..f45c088 100644
--- a/src/vnet/devices/pipe/pipe.c
+++ b/src/vnet/devices/pipe/pipe.c
@@ -140,7 +140,7 @@
   pipe_t *pipe;
 
   n_left_from = frame->n_vectors;
-  from = vlib_frame_args (frame);
+  from = vlib_frame_vector_args (frame);
 
   while (n_left_from > 0)
     {
diff --git a/src/vnet/devices/virtio/device.c b/src/vnet/devices/virtio/device.c
index 69aca65..2b2c853 100644
--- a/src/vnet/devices/virtio/device.c
+++ b/src/vnet/devices/virtio/device.c
@@ -180,7 +180,7 @@
   u16 used, next, avail;
   u16 sz = vring->size;
   u16 mask = sz - 1;
-  u32 *buffers = vlib_frame_args (frame);
+  u32 *buffers = vlib_frame_vector_args (frame);
 
   clib_spinlock_lock_if_init (&vif->lockp);
 
diff --git a/src/vnet/devices/virtio/vhost_user_output.c b/src/vnet/devices/virtio/vhost_user_output.c
index 9b6c017..dff129e 100644
--- a/src/vnet/devices/virtio/vhost_user_output.c
+++ b/src/vnet/devices/virtio/vhost_user_output.c
@@ -230,7 +230,7 @@
 						   vlib_node_runtime_t *
 						   node, vlib_frame_t * frame)
 {
-  u32 *buffers = vlib_frame_args (frame);
+  u32 *buffers = vlib_frame_vector_args (frame);
   u32 n_left = frame->n_vectors;
   vhost_user_main_t *vum = &vhost_user_main;
   vnet_interface_output_runtime_t *rd = (void *) node->runtime_data;
@@ -555,7 +555,7 @@
 	 thread_index, vui->sw_if_index, n_left);
     }
 
-  vlib_buffer_free (vm, vlib_frame_args (frame), frame->n_vectors);
+  vlib_buffer_free (vm, vlib_frame_vector_args (frame), frame->n_vectors);
   return frame->n_vectors;
 }