ppp: simplify code using existing functions

Change-Id: Ib5289b4d08ca7a8d7f786cc606e6c760735b2a35
Signed-off-by: Zhiyong Yang <zhiyong.yang@intel.com>

diff --git a/src/vnet/ppp/node.c b/src/vnet/ppp/node.c
index 2f6e0c3..fd0105e 100644 (file)
--- a/src/vnet/ppp/node.c
+++ b/src/vnet/ppp/node.c
@@ -139,14 +139,11 @@ ppp_input (vlib_main_t * vm,
          b0 = vlib_get_buffer (vm, bi0);
          b1 = vlib_get_buffer (vm, bi1);
 
-         h0 = (void *) (b0->data + b0->current_data);
-         h1 = (void *) (b1->data + b1->current_data);
+         h0 = vlib_buffer_get_current (b0);
+         h1 = vlib_buffer_get_current (b1);
 
-         b0->current_data += sizeof (h0[0]);
-         b1->current_data += sizeof (h1[0]);
-
-         b0->current_length -= sizeof (h0[0]);
-         b1->current_length -= sizeof (h1[0]);
+         vlib_buffer_advance (b0, sizeof (ppp_header_t));
+         vlib_buffer_advance (b1, sizeof (ppp_header_t));
 
          /* Index sparse array with network byte order. */
          protocol0 = h0->protocol;
@@ -227,10 +224,9 @@ ppp_input (vlib_main_t * vm,
 
          b0 = vlib_get_buffer (vm, bi0);
 
-         h0 = (void *) (b0->data + b0->current_data);
+         h0 = vlib_buffer_get_current (b0);
 
-         b0->current_data += sizeof (h0[0]);
-         b0->current_length -= sizeof (h0[0]);
+         vlib_buffer_advance (b0, sizeof (ppp_header_t));
 
          protocol0 = h0->protocol;
          i0 = sparse_vec_index (rt->next_by_protocol, protocol0);