TCP source address automation

- v6 support
- Non-default VRF ID collection
- Break up ip source address list into CLI + API-friendly functions
- Automate proxy arp / proxy nd configuration
- Automate local adjacency insertion
- Binary API support

Change-Id: Iede31184f65cc1ec8c414447d2d60a1334e3fe15
Signed-off-by: Dave Barach <dave@barachs.net>

1 files changed, 119 insertions, 0 deletions

diff --git a/src/vnet/tcp/tcp_api.c b/src/vnet/tcp/tcp_api.c
new file mode 100644
index 00000000000..4c3e49ee4fb
--- /dev/null
+++ b/src/vnet/tcp/tcp_api.c
@@ -0,0 +1,119 @@
+/*
+ *------------------------------------------------------------------
+ * tcp_api.c - vnet tcp-layer apis
+ *
+ * Copyright (c) 2017 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 <vnet/vnet.h>
+#include <vlibmemory/api.h>
+
+#include <vnet/tcp/tcp.h>
+
+#include <vnet/vnet_msg_enum.h>
+
+#define vl_typedefs		/* define message structures */
+#include <vnet/vnet_all_api_h.h>
+#undef vl_typedefs
+
+#define vl_endianfun		/* define message structures */
+#include <vnet/vnet_all_api_h.h>
+#undef vl_endianfun
+
+/* instantiate all the print functions we know about */
+#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
+#define vl_printfun
+#include <vnet/vnet_all_api_h.h>
+#undef vl_printfun
+
+#include <vlibapi/api_helper_macros.h>
+
+#define foreach_tcp_api_msg                                     \
+_(TCP_CONFIGURE_SRC_ADDRESSES, tcp_configure_src_addresses)
+
+static void
+  vl_api_tcp_configure_src_addresses_t_handler
+  (vl_api_tcp_configure_src_addresses_t * mp)
+{
+  vlib_main_t *vm = vlib_get_main ();
+  vl_api_tcp_configure_src_addresses_reply_t *rmp;
+  u32 vrf_id;
+  int rv;
+
+  vrf_id = clib_net_to_host_u32 (mp->vrf_id);
+
+  if (mp->is_ipv6)
+    rv = tcp_configure_v6_source_address_range
+      (vm,
+       (ip6_address_t *) mp->first_address,
+       (ip6_address_t *) mp->last_address, vrf_id);
+  else
+    rv = tcp_configure_v4_source_address_range
+      (vm,
+       (ip4_address_t *) mp->first_address,
+       (ip4_address_t *) mp->last_address, vrf_id);
+
+  REPLY_MACRO (VL_API_TCP_CONFIGURE_SRC_ADDRESSES_REPLY);
+}
+
+#define vl_msg_name_crc_list
+#include <vnet/tcp/tcp.api.h>
+#undef vl_msg_name_crc_list
+
+static void
+setup_message_id_table (api_main_t * am)
+{
+#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
+  foreach_vl_msg_name_crc_tcp;
+#undef _
+}
+
+static clib_error_t *
+tcp_api_hookup (vlib_main_t * vm)
+{
+  api_main_t *am = &api_main;
+
+#define _(N,n)                                                  \
+    vl_msg_api_set_handlers(VL_API_##N, #n,                     \
+                           vl_api_##n##_t_handler,              \
+                           vl_noop_handler,                     \
+                           vl_api_##n##_t_endian,               \
+                           vl_api_##n##_t_print,                \
+                           sizeof(vl_api_##n##_t), 1);
+  foreach_tcp_api_msg;
+#undef _
+
+  /*
+   * Set up the (msg_name, crc, message-id) table
+   */
+  setup_message_id_table (am);
+
+  return 0;
+}
+
+VLIB_API_INIT_FUNCTION (tcp_api_hookup);
+
+void
+tcp_api_reference (void)
+{
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */