Pipes

[vpp.git] / src / vnet / ethernet / node.c

diff --git a/src/vnet/ethernet/node.c b/src/vnet/ethernet/node.c
index a2e7524..8667667 100755 (executable)
--- a/src/vnet/ethernet/node.c
+++ b/src/vnet/ethernet/node.c
@@ -41,6 +41,7 @@
 #include <vnet/pg/pg.h>
 #include <vnet/ethernet/ethernet.h>
 #include <vnet/ethernet/p2p_ethernet.h>
+#include <vnet/devices/pipe/pipe.h>
 #include <vppinfra/sparse_vec.h>
 #include <vnet/l2/l2_bvi.h>
 
@@ -229,8 +230,6 @@ determine_next_node (ethernet_main_t * em,
                     u32 is_l20,
                     u32 type0, vlib_buffer_t * b0, u8 * error0, u8 * next0)
 {
-  u32 eth_start = vnet_buffer (b0)->l2_hdr_offset;
-  vnet_buffer (b0)->l2.l2_len = b0->current_data - eth_start;
   if (PREDICT_FALSE (*error0 != ETHERNET_ERROR_NONE))
     {
       // some error occurred
@@ -238,8 +237,10 @@ determine_next_node (ethernet_main_t * em,
     }
   else if (is_l20)
     {
-      *next0 = em->l2_next;
       // record the L2 len and reset the buffer so the L2 header is preserved
+      u32 eth_start = vnet_buffer (b0)->l2_hdr_offset;
+      vnet_buffer (b0)->l2.l2_len = b0->current_data - eth_start;
+      *next0 = em->l2_next;
       ASSERT (vnet_buffer (b0)->l2.l2_len ==
              ethernet_buffer_header_size (b0));
       vlib_buffer_advance (b0, -ethernet_buffer_header_size (b0));
@@ -285,29 +286,6 @@ determine_next_node (ethernet_main_t * em,
     }
 }
 
-static_always_inline int
-ethernet_frame_is_any_tagged (u16 type0, u16 type1)
-{
-#if __SSE4_2__
-  const __m128i ethertype_mask = _mm_set_epi16 (ETHERNET_TYPE_VLAN,
-                                               ETHERNET_TYPE_DOT1AD,
-                                               ETHERNET_TYPE_VLAN_9100,
-                                               ETHERNET_TYPE_VLAN_9200,
-                                               /* duplicate for type1 */
-                                               ETHERNET_TYPE_VLAN,
-                                               ETHERNET_TYPE_DOT1AD,
-                                               ETHERNET_TYPE_VLAN_9100,
-                                               ETHERNET_TYPE_VLAN_9200);
-
-  __m128i r =
-    _mm_set_epi16 (type0, type0, type0, type0, type1, type1, type1, type1);
-  r = _mm_cmpeq_epi16 (ethertype_mask, r);
-  return !_mm_test_all_zeros (r, r);
-#else
-  return ethernet_frame_is_tagged (type0) || ethernet_frame_is_tagged (type1);
-#endif
-}
-
 static_always_inline uword
 ethernet_input_inline (vlib_main_t * vm,
                       vlib_node_runtime_t * node,
@@ -400,7 +378,8 @@ ethernet_input_inline (vlib_main_t * vm,
 
          /* Speed-path for the untagged case */
          if (PREDICT_TRUE (variant == ETHERNET_INPUT_VARIANT_ETHERNET
-                           && !ethernet_frame_is_any_tagged (type0, type1)))
+                           && !ethernet_frame_is_any_tagged_x2 (type0,
+                                                                type1)))
            {
              main_intf_t *intf0;
              subint_config_t *subint0;
@@ -452,12 +431,12 @@ ethernet_input_inline (vlib_main_t * vm,
                      (hi->hw_address != 0) &&
                      !eth_mac_equal ((u8 *) e1, hi->hw_address))
                    error1 = ETHERNET_ERROR_L3_MAC_MISMATCH;
+                 vlib_buffer_advance (b0, sizeof (ethernet_header_t));
                  determine_next_node (em, variant, 0, type0, b0,
                                       &error0, &next0);
-                 vlib_buffer_advance (b0, sizeof (ethernet_header_t));
+                 vlib_buffer_advance (b1, sizeof (ethernet_header_t));
                  determine_next_node (em, variant, 0, type1, b1,
                                       &error1, &next1);
-                 vlib_buffer_advance (b1, sizeof (ethernet_header_t));
                }
              goto ship_it01;
            }
@@ -860,6 +839,14 @@ ethernet_sw_interface_get_config (vnet_main_t * vnm,
        subint = vec_elt_at_index (p2pm->p2p_subif_pool, si->p2p.pool_index);
       *flags = SUBINT_CONFIG_P2P;
     }
+  else if (si->type == VNET_SW_INTERFACE_TYPE_PIPE)
+    {
+      pipe_t *pipe;
+
+      pipe = pipe_get (sw_if_index);
+      subint = &pipe->subint;
+      *flags = SUBINT_CONFIG_P2P;
+    }
   else if (si->sub.eth.flags.default_sub)
     {
       subint = &main_intf->default_subint;
@@ -1149,7 +1136,7 @@ ethernet_sw_interface_add_del (vnet_main_t * vnm,
     }
   else
     {
-      // Note that config is L3 by defaulty
+      // Note that config is L3 by default
       subint->flags = SUBINT_CONFIG_VALID | match_flags;
       subint->sw_if_index = ~0;        // because interfaces are initially down
     }