VPP-1507: Added binary api to dump configured ip_punt_redirect

[vpp.git] / src / vnet / ip / ip6_punt_drop.c

diff --git a/src/vnet/ip/ip6_punt_drop.c b/src/vnet/ip/ip6_punt_drop.c
index a1f0ebe..3c839ff 100644 (file)
--- a/src/vnet/ip/ip6_punt_drop.c
+++ b/src/vnet/ip/ip6_punt_drop.c
@@ -28,7 +28,7 @@ VNET_FEATURE_ARC_INIT (ip6_punt) =
 VNET_FEATURE_ARC_INIT (ip6_drop) =
 {
   .arc_name  = "ip6-drop",
-  .start_nodes = VNET_FEATURES ("ip6-drop"),
+  .start_nodes = VNET_FEATURES ("ip6-drop", "ip6-not-enabled"),
 };
 /* *INDENT-ON* */
 
@@ -88,6 +88,18 @@ ip6_drop (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
 
 }
 
+static uword
+ip6_not_enabled (vlib_main_t * vm,
+                vlib_node_runtime_t * node, vlib_frame_t * frame)
+{
+  if (node->flags & VLIB_NODE_FLAG_TRACE)
+    ip6_forward_next_trace (vm, node, frame, VLIB_TX);
+
+  return ip_drop_or_punt (vm, node, frame,
+                         vnet_feat_arc_ip6_drop.feature_arc_index);
+
+}
+
 static uword
 ip6_punt (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
 {
@@ -113,6 +125,20 @@ VLIB_REGISTER_NODE (ip6_drop_node, static) =
 
 VLIB_NODE_FUNCTION_MULTIARCH (ip6_drop_node, ip6_drop);
 
+VLIB_REGISTER_NODE (ip6_not_enabled_node, static) =
+{
+  .function = ip6_not_enabled,
+  .name = "ip6-not-enabled",
+  .vector_size = sizeof (u32),
+  .format_trace = format_ip6_forward_next_trace,
+  .n_next_nodes = 1,
+  .next_nodes = {
+    [0] = "error-drop",
+  },
+};
+
+VLIB_NODE_FUNCTION_MULTIARCH (ip6_not_enabled_node, ip6_not_enabled);
+
 VLIB_REGISTER_NODE (ip6_punt_node, static) =
 {
   .function = ip6_punt,
@@ -207,14 +233,15 @@ VLIB_CLI_COMMAND (ip6_punt_policer_command, static) =
   .function = ip6_punt_police_cmd,
   .short_help = "ip6 punt policer [add|del] <index>",
 };
-/* *INDENT-ON* */
+
 
 ip_punt_redirect_t ip6_punt_redirect_cfg = {
   .any_rx_sw_if_index = {
-                        .tx_sw_if_index = ~0,
-                        }
-  ,
+    .tx_sw_if_index = ~0,
+    .adj_index = ADJ_INDEX_INVALID,
+  },
 };
+/* *INDENT-ON* */
 
 #define foreach_ip6_punt_redirect_error         \
 _(DROP, "ip6 punt redirect drop")
@@ -300,8 +327,8 @@ ip6_punt_redirect_cmd (vlib_main_t * vm,
 {
   unformat_input_t _line_input, *line_input = &_line_input;
   clib_error_t *error = 0;
-  u32 rx_sw_if_index;
-  u32 tx_sw_if_index;
+  u32 rx_sw_if_index = 0;
+  u32 tx_sw_if_index = 0;
   ip46_address_t nh;
   vnet_main_t *vnm;
   u8 is_add;
@@ -330,7 +357,7 @@ ip6_punt_redirect_cmd (vlib_main_t * vm,
        ;
       else if (unformat (line_input, "via %U",
                         unformat_vnet_sw_interface, vnm, &tx_sw_if_index))
-       memset (&nh, 0, sizeof (nh));
+       clib_memset (&nh, 0, sizeof (nh));
       else
        {
          error = unformat_parse_error (line_input);
@@ -339,9 +366,19 @@ ip6_punt_redirect_cmd (vlib_main_t * vm,
     }
 
   if (is_add)
-    ip6_punt_redirect_add (rx_sw_if_index, tx_sw_if_index, &nh);
+    {
+      if (rx_sw_if_index && tx_sw_if_index)
+       {
+         ip6_punt_redirect_add (rx_sw_if_index, tx_sw_if_index, &nh);
+       }
+    }
   else
-    ip6_punt_redirect_del (rx_sw_if_index);
+    {
+      if (rx_sw_if_index)
+       {
+         ip6_punt_redirect_del (rx_sw_if_index);
+       }
+    }
 
 done:
   unformat_free (line_input);
@@ -362,6 +399,46 @@ VLIB_CLI_COMMAND (ip6_punt_redirect_command, static) =
 };
 /* *INDENT-ON* */
 
+ip_punt_redirect_detail_t *
+ip6_punt_redirect_entries (u32 sw_if_index)
+{
+  ip_punt_redirect_rx_t *pr;
+  ip_punt_redirect_detail_t *prs = 0;
+  u32 rx_sw_if_index;
+
+  vec_foreach_index (rx_sw_if_index,
+                    ip6_punt_redirect_cfg.redirect_by_rx_sw_if_index)
+  {
+    if (sw_if_index == ~0 || sw_if_index == rx_sw_if_index)
+      {
+       pr =
+         &ip6_punt_redirect_cfg.redirect_by_rx_sw_if_index[rx_sw_if_index];
+       if (NULL != pr && ~0 != pr->tx_sw_if_index)
+         {
+           ip_punt_redirect_detail_t detail = {.rx_sw_if_index =
+               rx_sw_if_index,
+             .punt_redirect = *pr
+           };
+           vec_add1 (prs, detail);
+         }
+      }
+  }
+  if (~0 != ip6_punt_redirect_cfg.any_rx_sw_if_index.tx_sw_if_index)
+    {
+      pr = &ip6_punt_redirect_cfg.any_rx_sw_if_index;
+      if (NULL != pr)
+       {
+         ip_punt_redirect_detail_t detail = {.rx_sw_if_index =
+             rx_sw_if_index,
+           .punt_redirect = *pr
+         };
+         vec_add1 (prs, detail);
+       }
+    }
+
+  return prs;
+}
+
 static clib_error_t *
 ip6_punt_redirect_show_cmd (vlib_main_t * vm,
                            unformat_input_t * main_input,
@@ -382,7 +459,7 @@ VLIB_CLI_COMMAND (show_ip6_punt_redirect_command, static) =
 {
   .path = "show ip6 punt redirect",
   .function = ip6_punt_redirect_show_cmd,
-  .short_help = "show ip6 punt redirect [add|del] rx [<interface>|all] via [<nh>] <tx_interface>",
+  .short_help = "show ip6 punt redirect",
   .is_mp_safe = 1,
 };
 /* *INDENT-ON* */