ip: Protocol Independent IP Neighbors

Type: feature

 - ip-neighbour: generic neighbour handling; APIs, DBs, event handling,
aging
 - arp: ARP protocol implementation
 - ip6-nd; IPv6 neighbor discovery implementation; separate ND,
MLD, RA
 - ip6-link; manage link-local addresses
 - l2-arp-term; events separated from IP neighbours, since they are not
the same.

vnet retains just enough education to perform ND/ARP packet
construction.
arp and ip6-nd to be moved to plugins soon.

Change-Id: I88dedd0006b299344f4c7024a0aa5baa6b9a8bbe
Signed-off-by: Neale Ranns <nranns@cisco.com>

1 files changed, 168 insertions, 0 deletions

diff --git a/src/vnet/arp/arp_test.c b/src/vnet/arp/arp_test.c
new file mode 100644
index 00000000000..861d0739406
--- /dev/null
+++ b/src/vnet/arp/arp_test.c
@@ -0,0 +1,168 @@
+/*
+ *------------------------------------------------------------------
+ * arp_test.c
+ *
+ * Copyright (c) 2019 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.
+ *------------------------------------------------------------------
+ */
+
+#include <vat/vat.h>
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+#include <vppinfra/error.h>
+
+#include <vnet/ip/ip_format_fns.h>
+
+#include <vpp/api/types.h>
+
+typedef struct
+{
+  /* API message ID base */
+  u16 msg_id_base;
+  u32 ping_id;
+  vat_main_t *vat_main;
+} arp_test_main_t;
+
+arp_test_main_t arp_test_main;
+
+#define __plugin_msg_base arp_test_main.msg_id_base
+#include <vlibapi/vat_helper_macros.h>
+uword unformat_sw_if_index (unformat_input_t * input, va_list * args);
+
+/* Declare message IDs */
+#include <arp/arp.api_enum.h>
+#include <arp/arp.api_types.h>
+#include <vpp/api/vpe.api_types.h>
+
+static int
+api_proxy_arp_dump (vat_main_t * vam)
+{
+  return -1;
+}
+
+static int
+api_proxy_arp_intfc_dump (vat_main_t * vam)
+{
+  return -1;
+}
+
+static void
+vl_api_proxy_arp_details_t_handler (vl_api_proxy_arp_details_t * mp)
+{
+}
+
+static void
+vl_api_proxy_arp_intfc_details_t_handler (vl_api_proxy_arp_intfc_details_t *
+					  mp)
+{
+}
+
+static int
+api_proxy_arp_add_del (vat_main_t * vam)
+{
+  unformat_input_t *i = vam->input;
+  vl_api_proxy_arp_add_del_t *mp;
+  u32 vrf_id = 0;
+  u8 is_add = 1;
+  vl_api_ip4_address_t lo, hi;
+  u8 range_set = 0;
+  int ret;
+
+  while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (i, "vrf %d", &vrf_id))
+	;
+      else if (unformat (i, "%U - %U", unformat_vl_api_ip4_address, &lo,
+			 unformat_vl_api_ip4_address, &hi))
+	range_set = 1;
+      else if (unformat (i, "del"))
+	is_add = 0;
+      else
+	{
+	  clib_warning ("parse error '%U'", format_unformat_error, i);
+	  return -99;
+	}
+    }
+
+  if (range_set == 0)
+    {
+      errmsg ("address range not set");
+      return -99;
+    }
+
+  M (PROXY_ARP_ADD_DEL, mp);
+
+  mp->proxy.table_id = ntohl (vrf_id);
+  mp->is_add = is_add;
+  clib_memcpy (mp->proxy.low, &lo, sizeof (lo));
+  clib_memcpy (mp->proxy.hi, &hi, sizeof (hi));
+
+  S (mp);
+  W (ret);
+  return ret;
+}
+
+static int
+api_proxy_arp_intfc_enable_disable (vat_main_t * vam)
+{
+  unformat_input_t *i = vam->input;
+  vl_api_proxy_arp_intfc_enable_disable_t *mp;
+  u32 sw_if_index;
+  u8 enable = 1;
+  u8 sw_if_index_set = 0;
+  int ret;
+
+  while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (i, "%U", unformat_sw_if_index, vam, &sw_if_index))
+	sw_if_index_set = 1;
+      else if (unformat (i, "sw_if_index %d", &sw_if_index))
+	sw_if_index_set = 1;
+      else if (unformat (i, "enable"))
+	enable = 1;
+      else if (unformat (i, "disable"))
+	enable = 0;
+      else
+	{
+	  clib_warning ("parse error '%U'", format_unformat_error, i);
+	  return -99;
+	}
+    }
+
+  if (sw_if_index_set == 0)
+    {
+      errmsg ("missing interface name or sw_if_index");
+      return -99;
+    }
+
+  M (PROXY_ARP_INTFC_ENABLE_DISABLE, mp);
+
+  mp->sw_if_index = ntohl (sw_if_index);
+  mp->enable = enable;
+
+  S (mp);
+  W (ret);
+  return ret;
+}
+
+#include <arp/arp.api_test.c>
+
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */