vnet: set vnet_buffer l2_hdr_offset and l3_hdr_offset

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

diff --git a/src/vnet/ethernet/node.c b/src/vnet/ethernet/node.c
index 421d501..3760877 100755 (executable)
--- a/src/vnet/ethernet/node.c
+++ b/src/vnet/ethernet/node.c
@@ -40,6 +40,7 @@
 #include <vlib/vlib.h>
 #include <vnet/pg/pg.h>
 #include <vnet/ethernet/ethernet.h>
+#include <vnet/ethernet/p2p_ethernet.h>
 #include <vppinfra/sparse_vec.h>
 #include <vnet/l2/l2_bvi.h>
 
@@ -102,6 +103,7 @@ parse_header (ethernet_input_variant_t variant,
       e0 = (void *) (b0->data + b0->current_data);
 
       vnet_buffer (b0)->l2_hdr_offset = b0->current_data;
+      b0->flags |= VNET_BUFFER_F_L2_HDR_OFFSET_VALID;
 
       vlib_buffer_advance (b0, sizeof (e0[0]));
 
@@ -424,6 +426,14 @@ ethernet_input_inline (vlib_main_t * vm,
 
              vnet_buffer (b0)->l2_hdr_offset = b0->current_data;
              vnet_buffer (b1)->l2_hdr_offset = b1->current_data;
+             vnet_buffer (b0)->l3_hdr_offset =
+               vnet_buffer (b0)->l2_hdr_offset + sizeof (ethernet_header_t);
+             vnet_buffer (b1)->l3_hdr_offset =
+               vnet_buffer (b1)->l2_hdr_offset + sizeof (ethernet_header_t);
+             b0->flags |= VNET_BUFFER_F_L2_HDR_OFFSET_VALID |
+               VNET_BUFFER_F_L3_HDR_OFFSET_VALID;
+             b1->flags |= VNET_BUFFER_F_L2_HDR_OFFSET_VALID |
+               VNET_BUFFER_F_L3_HDR_OFFSET_VALID;
 
              if (PREDICT_TRUE (is_l20 != 0))
                {
@@ -572,6 +582,12 @@ ethernet_input_inline (vlib_main_t * vm,
                               &next0);
          determine_next_node (em, variant, is_l21, type1, b1, &error1,
                               &next1);
+         vnet_buffer (b0)->l3_hdr_offset = vnet_buffer (b0)->l2_hdr_offset +
+           vnet_buffer (b0)->l2.l2_len;
+         vnet_buffer (b1)->l3_hdr_offset = vnet_buffer (b1)->l2_hdr_offset +
+           vnet_buffer (b1)->l2.l2_len;
+         b0->flags |= VNET_BUFFER_F_L3_HDR_OFFSET_VALID;
+         b1->flags |= VNET_BUFFER_F_L3_HDR_OFFSET_VALID;
 
        ship_it01:
          b0->error = error_node->errors[error0];
@@ -643,6 +659,10 @@ ethernet_input_inline (vlib_main_t * vm,
                }
 
              vnet_buffer (b0)->l2_hdr_offset = b0->current_data;
+             vnet_buffer (b0)->l3_hdr_offset =
+               vnet_buffer (b0)->l2_hdr_offset + sizeof (ethernet_header_t);
+             b0->flags |= VNET_BUFFER_F_L2_HDR_OFFSET_VALID |
+               VNET_BUFFER_F_L3_HDR_OFFSET_VALID;
 
              if (PREDICT_TRUE (is_l20 != 0))
                {
@@ -740,6 +760,9 @@ ethernet_input_inline (vlib_main_t * vm,
 
          determine_next_node (em, variant, is_l20, type0, b0, &error0,
                               &next0);
+         vnet_buffer (b0)->l3_hdr_offset = vnet_buffer (b0)->l2_hdr_offset +
+           vnet_buffer (b0)->l2.l2_len;
+         b0->flags |= VNET_BUFFER_F_L3_HDR_OFFSET_VALID;
 
        ship_it0:
          b0->error = error_node->errors[error0];
@@ -823,7 +846,21 @@ ethernet_sw_interface_get_config (vnet_main_t * vnm,
   // Locate the subint for the given ethernet config
   si = vnet_get_sw_interface (vnm, sw_if_index);
 
-  if (si->sub.eth.flags.default_sub)
+  if (si->type == VNET_SW_INTERFACE_TYPE_P2P)
+    {
+      p2p_ethernet_main_t *p2pm = &p2p_main;
+      u32 p2pe_sw_if_index =
+       p2p_ethernet_lookup (hi->hw_if_index, si->p2p.client_mac);
+      if (p2pe_sw_if_index == ~0)
+       {
+         pool_get (p2pm->p2p_subif_pool, subint);
+         si->p2p.pool_index = subint - p2pm->p2p_subif_pool;
+       }
+      else
+       subint = vec_elt_at_index (p2pm->p2p_subif_pool, si->p2p.pool_index);
+      *flags = SUBINT_CONFIG_P2P;
+    }
+  else if (si->sub.eth.flags.default_sub)
     {
       subint = &main_intf->default_subint;
       *flags = SUBINT_CONFIG_MATCH_0_TAG |