X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fl2%2Fl2_vtr.c;h=7096891381d6993c56298a0b63a7fcbf5e572f98;hb=ac64b71b2893341b2e342865c209ee63c2dc3138;hp=95a4f15700a12838b0c6aa8c6234f96d6f9f0c9e;hpb=7cd468a3d7dee7d6c92f69a0bb7061ae208ec727;p=vpp.git

diff --git a/src/vnet/l2/l2_vtr.c b/src/vnet/l2/l2_vtr.c
index 95a4f15700a..7096891381d 100644
--- a/src/vnet/l2/l2_vtr.c
+++ b/src/vnet/l2/l2_vtr.c
@@ -177,7 +177,7 @@ l2vtr_configure (vlib_main_t * vlib_main, vnet_main_t * vnet_main, u32 sw_if_ind
   vtr_tag1 = clib_net_to_host_u16 (vtr_tag1);
   vtr_tag2 = clib_net_to_host_u16 (vtr_tag2);
 
-  /* Determine number of vlan tags with explictly configured values */
+  /* Determine number of vlan tags with explicitly configured values */
   cfg_tags = 0;
   if (hw_no_tags || si->sub.eth.flags.no_tags)
     {
@@ -229,9 +229,6 @@ l2vtr_configure (vlib_main_t * vlib_main, vnet_main_t * vnet_main, u32 sw_if_ind
 	}
       in_config->pop_bytes = 8;
       in_config->push_bytes = 0;
-
-      out_config->push_bytes = in_config->pop_bytes;
-      out_config->pop_bytes = in_config->push_bytes;
       break;
 
     case L2_VTR_PUSH_1:
@@ -681,6 +678,70 @@ VLIB_CLI_COMMAND (int_l2_vtr_cli, static) = {
 };
 /* *INDENT-ON* */
 
+/**
+ * Get pbb tag rewrite on the given interface.
+ * Return 1 if there is an error, 0 if ok
+ */
+u32
+l2pbb_get (vlib_main_t * vlib_main, vnet_main_t * vnet_main, u32 sw_if_index,
+	   u32 * vtr_op, u16 * outer_tag, ethernet_header_t * eth_hdr,
+	   u16 * b_vlanid, u32 * i_sid)
+{
+  u32 error = 1;
+  ptr_config_t *in_config;
+
+  if (!vtr_op || !outer_tag || !b_vlanid || !i_sid)
+    {
+      clib_warning ("invalid arguments");
+      error = VNET_API_ERROR_INVALID_ARGUMENT;
+      goto done;
+    }
+
+  *vtr_op = L2_VTR_DISABLED;
+  *outer_tag = 0;
+  *b_vlanid = 0;
+  *i_sid = 0;
+
+  if (sw_if_index >= vec_len (l2output_main.configs))
+    {
+      /* no specific config (return disabled) */
+      goto done;
+    }
+
+  /* Get the config for this interface */
+  in_config =
+    &(vec_elt_at_index (l2output_main.configs, sw_if_index)->input_pbb_vtr);
+
+  if (in_config->push_and_pop_bytes == 0)
+    {
+      /* DISABLED */
+      goto done;
+    }
+  else
+    {
+      if (in_config->pop_bytes && in_config->push_bytes)
+	*vtr_op = L2_VTR_TRANSLATE_2_1;
+      else if (in_config->pop_bytes)
+	*vtr_op = L2_VTR_POP_2;
+      else if (in_config->push_bytes)
+	*vtr_op = L2_VTR_PUSH_2;
+
+      clib_memcpy (&eth_hdr->dst_address, in_config->macs_tags.b_dst_address,
+		   sizeof (eth_hdr->dst_address));
+      clib_memcpy (&eth_hdr->src_address, in_config->macs_tags.b_src_address,
+		   sizeof (eth_hdr->src_address));
+
+      *b_vlanid =
+	clib_host_to_net_u16 (in_config->macs_tags.priority_dei_id) & 0xFFF;
+      *i_sid =
+	clib_host_to_net_u32 (in_config->macs_tags.
+			      priority_dei_uca_res_sid) & 0xFFFFF;
+      error = 0;
+    }
+done:
+  return error;
+}
+
 /**
  * Set subinterface pbb vtr enable/disable.
  * The CLI format is: