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authorOle Troan <ot@cisco.com>2020-07-01 13:16:16 +0200
committerAndrew Yourtchenko <ayourtch@gmail.com>2020-07-02 13:13:27 +0000
commit96068d6b94207435f9c9619e2ce7921ebc812ade (patch)
treef7f36f8cc2dfc70730102d72b0ea254d10f84457 /src/plugins/nat/nat66/nat66_api.c
parentc6eae9c079defa4812270945d614c4598db262d8 (diff)
nat: nat66 to plugin
Type: refactor Change-Id: I8c1f0c02a4522c1f9e461ddadd59938579ec00c6 Signed-off-by: Ole Troan <ot@cisco.com>
Diffstat (limited to 'src/plugins/nat/nat66/nat66_api.c')
-rw-r--r--src/plugins/nat/nat66/nat66_api.c174
1 files changed, 174 insertions, 0 deletions
diff --git a/src/plugins/nat/nat66/nat66_api.c b/src/plugins/nat/nat66/nat66_api.c
new file mode 100644
index 00000000000..2a2b3cc07ad
--- /dev/null
+++ b/src/plugins/nat/nat66/nat66_api.c
@@ -0,0 +1,174 @@
+/*
+ * Copyright (c) 2020 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 <vlibmemory/api.h>
+#include <nat/nat66/nat66.h>
+#include <nat/nat66/nat66.api_enum.h>
+#include <nat/nat66/nat66.api_types.h>
+#include <vnet/fib/fib_table.h>
+
+#define REPLY_MSG_ID_BASE nm->msg_id_base
+#include <vlibapi/api_helper_macros.h>
+
+/*************/
+/*** NAT66 ***/
+/*************/
+
+static void
+vl_api_nat66_add_del_interface_t_handler (vl_api_nat66_add_del_interface_t *
+ mp)
+{
+ nat66_main_t *nm = &nat66_main;
+ vl_api_nat66_add_del_interface_reply_t *rmp;
+ int rv = 0;
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ rv =
+ nat66_interface_add_del (ntohl (mp->sw_if_index),
+ mp->flags & NAT_IS_INSIDE, mp->is_add);
+
+ BAD_SW_IF_INDEX_LABEL;
+
+ REPLY_MACRO (VL_API_NAT66_ADD_DEL_INTERFACE_REPLY);
+}
+
+static void
+ vl_api_nat66_add_del_static_mapping_t_handler
+ (vl_api_nat66_add_del_static_mapping_t * mp)
+{
+ nat66_main_t *nm = &nat66_main;
+ vl_api_nat66_add_del_static_mapping_reply_t *rmp;
+ ip6_address_t l_addr, e_addr;
+ int rv = 0;
+
+ memcpy (&l_addr.as_u8, mp->local_ip_address, 16);
+ memcpy (&e_addr.as_u8, mp->external_ip_address, 16);
+
+ rv =
+ nat66_static_mapping_add_del (&l_addr, &e_addr,
+ clib_net_to_host_u32 (mp->vrf_id),
+ mp->is_add);
+
+ REPLY_MACRO (VL_API_NAT66_ADD_DEL_STATIC_MAPPING_REPLY);
+}
+
+typedef struct nat66_api_walk_ctx_t_
+{
+ vl_api_registration_t *rp;
+ u32 context;
+} nat66_api_walk_ctx_t;
+
+static int
+nat66_api_interface_walk (nat66_interface_t * i, void *arg)
+{
+ vl_api_nat66_interface_details_t *rmp;
+ nat66_main_t *nm = &nat66_main;
+ nat66_api_walk_ctx_t *ctx = arg;
+
+ rmp = vl_msg_api_alloc (sizeof (*rmp));
+ clib_memset (rmp, 0, sizeof (*rmp));
+ rmp->_vl_msg_id = ntohs (VL_API_NAT66_INTERFACE_DETAILS + nm->msg_id_base);
+ rmp->sw_if_index = ntohl (i->sw_if_index);
+ if (nat66_interface_is_inside (i))
+ rmp->flags |= NAT_IS_INSIDE;
+ rmp->context = ctx->context;
+
+ vl_api_send_msg (ctx->rp, (u8 *) rmp);
+
+ return 0;
+}
+
+static void
+vl_api_nat66_interface_dump_t_handler (vl_api_nat66_interface_dump_t * mp)
+{
+ vl_api_registration_t *rp;
+
+ rp = vl_api_client_index_to_registration (mp->client_index);
+ if (rp == 0)
+ return;
+
+ nat66_api_walk_ctx_t ctx = {
+ .rp = rp,
+ .context = mp->context,
+ };
+
+ nat66_interfaces_walk (nat66_api_interface_walk, &ctx);
+}
+
+static int
+nat66_api_static_mapping_walk (nat66_static_mapping_t * m, void *arg)
+{
+ vl_api_nat66_static_mapping_details_t *rmp;
+ nat66_main_t *nm = &nat66_main;
+ nat66_api_walk_ctx_t *ctx = arg;
+ fib_table_t *fib;
+ vlib_counter_t vc;
+
+ fib = fib_table_get (m->fib_index, FIB_PROTOCOL_IP6);
+ if (!fib)
+ return -1;
+
+ vlib_get_combined_counter (&nm->session_counters, m - nm->sm, &vc);
+
+ rmp = vl_msg_api_alloc (sizeof (*rmp));
+ clib_memset (rmp, 0, sizeof (*rmp));
+ rmp->_vl_msg_id =
+ ntohs (VL_API_NAT66_STATIC_MAPPING_DETAILS + nm->msg_id_base);
+ clib_memcpy (rmp->local_ip_address, &m->l_addr, 16);
+ clib_memcpy (rmp->external_ip_address, &m->e_addr, 16);
+ rmp->vrf_id = ntohl (fib->ft_table_id);
+ rmp->total_bytes = clib_host_to_net_u64 (vc.bytes);
+ rmp->total_pkts = clib_host_to_net_u64 (vc.packets);
+ rmp->context = ctx->context;
+
+ vl_api_send_msg (ctx->rp, (u8 *) rmp);
+
+ return 0;
+}
+
+static void
+vl_api_nat66_static_mapping_dump_t_handler (vl_api_nat66_static_mapping_dump_t
+ * mp)
+{
+ vl_api_registration_t *rp;
+
+ rp = vl_api_client_index_to_registration (mp->client_index);
+ if (rp == 0)
+ return;
+
+ nat66_api_walk_ctx_t ctx = {
+ .rp = rp,
+ .context = mp->context,
+ };
+
+ nat66_static_mappings_walk (nat66_api_static_mapping_walk, &ctx);
+}
+
+/* API definitions */
+#include <vnet/format_fns.h>
+#include <nat/nat66/nat66.api.c>
+
+/* Set up the API message handling tables */
+clib_error_t *
+nat66_plugin_api_hookup (vlib_main_t * vm)
+{
+ nat66_main_t *nm = &nat66_main;
+
+ nm->msg_id_base = setup_message_id_table ();
+
+ return 0;
+}