ARP proxy dumps

Change-Id: I8335ebf266becf2f42bb3f28a17dfed8d9b08f97
Signed-off-by: Neale Ranns <nranns@cisco.com>

3 files changed, 78 insertions, 20 deletions

diff --git a/src/vnet/ethernet/arp.c b/src/vnet/ethernet/arp.c
index 55beb7025dd..49a16f764f3 100644
--- a/src/vnet/ethernet/arp.c
+++ b/src/vnet/ethernet/arp.c
@@ -18,7 +18,7 @@
 #include <vnet/ip/ip.h>
 #include <vnet/ip/ip6.h>
 #include <vnet/ethernet/ethernet.h>
-#include <vnet/ethernet/arp_packet.h>
+#include <vnet/ethernet/arp.h>
 #include <vnet/l2/l2_input.h>
 #include <vppinfra/mhash.h>
 #include <vnet/fib/ip4_fib.h>
@@ -52,8 +52,8 @@ typedef struct ethernet_arp_interface_t_
 
 typedef struct
 {
-  u32 lo_addr;
-  u32 hi_addr;
+  ip4_address_t lo_addr;
+  ip4_address_t hi_addr;
   u32 fib_index;
 } ethernet_proxy_arp_t;
 
@@ -1226,8 +1226,8 @@ arp_input (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
 
 	      vec_foreach (pa, am->proxy_arps)
 	      {
-		u32 lo_addr = clib_net_to_host_u32 (pa->lo_addr);
-		u32 hi_addr = clib_net_to_host_u32 (pa->hi_addr);
+		u32 lo_addr = clib_net_to_host_u32 (pa->lo_addr.as_u32);
+		u32 hi_addr = clib_net_to_host_u32 (pa->hi_addr.as_u32);
 
 		/* an ARP request hit in the proxy-arp table? */
 		if ((this_addr >= lo_addr && this_addr <= hi_addr) &&
@@ -1963,6 +1963,19 @@ vnet_arp_set_ip4_over_ethernet (vnet_main_t * vnm,
   return 0;
 }
 
+void
+proxy_arp_walk (proxy_arp_walk_t cb, void *data)
+{
+  ethernet_arp_main_t *am = &ethernet_arp_main;
+  ethernet_proxy_arp_t *pa;
+
+  vec_foreach (pa, am->proxy_arps)
+  {
+    if (!cb (&pa->lo_addr, &pa->hi_addr, pa->fib_index, data))
+      break;
+  }
+}
+
 int
 vnet_proxy_arp_add_del (ip4_address_t * lo_addr,
 			ip4_address_t * hi_addr, u32 fib_index, int is_del)
@@ -1973,8 +1986,8 @@ vnet_proxy_arp_add_del (ip4_address_t * lo_addr,
 
   vec_foreach (pa, am->proxy_arps)
   {
-    if (pa->lo_addr == lo_addr->as_u32
-	&& pa->hi_addr == hi_addr->as_u32 && pa->fib_index == fib_index)
+    if (pa->lo_addr.as_u32 == lo_addr->as_u32 &&
+	pa->hi_addr.as_u32 == hi_addr->as_u32 && pa->fib_index == fib_index)
       {
 	found_at_index = pa - am->proxy_arps;
 	break;
@@ -1994,8 +2007,8 @@ vnet_proxy_arp_add_del (ip4_address_t * lo_addr,
 
   /* add, not in table */
   vec_add2 (am->proxy_arps, pa, 1);
-  pa->lo_addr = lo_addr->as_u32;
-  pa->hi_addr = hi_addr->as_u32;
+  pa->lo_addr.as_u32 = lo_addr->as_u32;
+  pa->hi_addr.as_u32 = hi_addr->as_u32;
   pa->fib_index = fib_index;
   return 0;
 }
diff --git a/src/vnet/ethernet/arp.h b/src/vnet/ethernet/arp.h
new file mode 100644
index 00000000000..7b50ed77538
--- /dev/null
+++ b/src/vnet/ethernet/arp.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2015 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __ARP_H__
+#define __ARP_H__
+
+#include <vnet/ethernet/ethernet.h>
+#include <vnet/ethernet/arp_packet.h>
+#include <vnet/ip/ip.h>
+
+extern int vnet_proxy_arp_add_del (ip4_address_t * lo_addr,
+				   ip4_address_t * hi_addr,
+				   u32 fib_index, int is_del);
+
+extern int vnet_arp_set_ip4_over_ethernet (vnet_main_t * vnm,
+					   u32 sw_if_index,
+					   void *a_arg,
+					   int is_static,
+					   int is_no_fib_entry);
+
+extern int vnet_arp_unset_ip4_over_ethernet (vnet_main_t * vnm,
+					     u32 sw_if_index, void *a_arg);
+
+extern int vnet_proxy_arp_fib_reset (u32 fib_id);
+
+/**
+ * call back function when walking the DB of proxy ARPs
+ * @return 0 to stop the walk !0 to continue
+ */
+typedef walk_rc_t (proxy_arp_walk_t) (const ip4_address_t * lo_addr,
+				      const ip4_address_t * hi_addr,
+				      u32 fib_index, void *dat);
+
+extern void proxy_arp_walk (proxy_arp_walk_t cb, void *data);
+
+#endif
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/vnet/ethernet/ethernet.h b/src/vnet/ethernet/ethernet.h
index fb7e2c5ba81..79ae7e6e909 100644
--- a/src/vnet/ethernet/ethernet.h
+++ b/src/vnet/ethernet/ethernet.h
@@ -435,17 +435,6 @@ void ethernet_sw_interface_set_l2_mode_noport (vnet_main_t * vnm,
 void ethernet_set_rx_redirect (vnet_main_t * vnm, vnet_hw_interface_t * hi,
 			       u32 enable);
 
-int
-vnet_arp_set_ip4_over_ethernet (vnet_main_t * vnm,
-				u32 sw_if_index, void *a_arg,
-				int is_static, int is_no_fib_entry);
-
-int
-vnet_arp_unset_ip4_over_ethernet (vnet_main_t * vnm,
-				  u32 sw_if_index, void *a_arg);
-
-int vnet_proxy_arp_fib_reset (u32 fib_id);
-
 clib_error_t *next_by_ethertype_init (next_by_ethertype_t * l3_next);
 clib_error_t *next_by_ethertype_register (next_by_ethertype_t * l3_next,
 					  u32 ethertype, u32 next_index);