Revert "L2-input: use vlib_buffer_enqueue_to_next"

The patch did not improve single input link performance and 
degrade performance with multiple input links.

This reverts commit b1232555e91b286feab5667b5a22f29aa8e96626.

Change-Id: Ib9336a2e0610088b9145a43cacbdadb52dabd522
Signed-off-by: John Lo <loj@cisco.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/src/vnet/ethernet/packet.h b/src/vnet/ethernet/packet.h
index 04ce420c07e..d70960b0f7b 100644
--- a/src/vnet/ethernet/packet.h
+++ b/src/vnet/ethernet/packet.h
@@ -64,20 +64,20 @@ typedef struct
 
 /* I/G bit: individual (unicast)/group (broadcast/multicast). */
 always_inline uword
-ethernet_address_cast (const u8 * a)
+ethernet_address_cast (u8 * a)
 {
   return (a[0] >> 0) & 1;
 }
 
 always_inline int
-ethernet_address_is_broadcast (const u8 * a)
+ethernet_address_is_broadcast (u8 * a)
 {
   return clib_mem_unaligned (a, u32) == 0xffffffff &&
     clib_mem_unaligned (a + 4, u16) == 0xffff;
 }
 
 always_inline uword
-ethernet_address_is_locally_administered (const u8 * a)
+ethernet_address_is_locally_administered (u8 * a)
 {
   return (a[0] >> 1) & 1;
 }