--- /dev/null
+/*
+ *------------------------------------------------------------------
+ * 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 <igmp/igmp.h>
+
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+
+/* define message IDs */
+#include <igmp/igmp_msg_enum.h>
+
+/* define message structures */
+#define vl_typedefs
+#include <igmp/igmp_all_api_h.h>
+#undef vl_typedefs
+
+/* define generated endian-swappers */
+#define vl_endianfun
+#include <igmp/igmp_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 <igmp/igmp_all_api_h.h>
+#undef vl_printfun
+
+/* Get the API version number */
+#define vl_api_version(n,v) static u32 api_version=(v);
+#include <igmp/igmp_all_api_h.h>
+#undef vl_api_version
+
+#include <vlibapi/api_helper_macros.h>
+
+#define foreach_igmp_plugin_api_msg \
+_(IGMP_LISTEN, igmp_listen) \
+_(IGMP_ENABLE_DISABLE, igmp_enable_disable) \
+_(IGMP_DUMP, igmp_dump) \
+_(IGMP_CLEAR_INTERFACE, igmp_clear_interface) \
+_(WANT_IGMP_EVENTS, want_igmp_events) \
+
+static void
+vl_api_igmp_listen_t_handler (vl_api_igmp_listen_t * mp)
+{
+ vlib_main_t *vm = vlib_get_main ();
+ vnet_main_t *vnm = vnet_get_main ();
+ igmp_main_t *im = &igmp_main;
+ vl_api_igmp_listen_reply_t *rmp;
+ int rv = 0;
+ ip46_address_t saddr, gaddr;
+
+ if (!vnet_sw_interface_is_api_valid (vnm, ntohl (mp->sw_if_index)))
+ {
+ rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
+ goto done;
+ }
+
+ if ((vnet_sw_interface_get_flags (vnm, ntohl (mp->sw_if_index)) &&
+ VNET_SW_INTERFACE_FLAG_ADMIN_UP) == 0)
+ {
+ rv = VNET_API_ERROR_UNEXPECTED_INTF_STATE;
+ goto done;
+ }
+
+ clib_memcpy (&saddr.ip4.as_u8, mp->saddr, sizeof (u8) * 4);
+ clib_memcpy (&gaddr.ip4.as_u8, mp->gaddr, sizeof (u8) * 4);
+
+ rv = igmp_listen (vm, mp->enable, ntohl (mp->sw_if_index), saddr, gaddr, 1);
+
+done:;
+ unix_shared_memory_queue_t *q =
+ vl_api_client_index_to_input_queue (mp->client_index);
+ if (!q)
+ return;
+
+ rmp = vl_msg_api_alloc (sizeof (*rmp));
+ rmp->_vl_msg_id = htons ((VL_API_IGMP_LISTEN_REPLY) + im->msg_id_base);
+ rmp->context = mp->context;
+ rmp->retval = htonl (rv);
+
+ vl_msg_api_send_shmem (q, (u8 *) & rmp);
+}
+
+static void
+vl_api_igmp_enable_disable_t_handler (vl_api_igmp_enable_disable_t * mp)
+{
+ vl_api_igmp_enable_disable_reply_t *rmp;
+ igmp_main_t *im = &igmp_main;
+ int rv = 0;
+
+ REPLY_MACRO (VL_API_IGMP_ENABLE_DISABLE_REPLY + im->msg_id_base);
+}
+
+static void
+send_igmp_details (unix_shared_memory_queue_t * q, igmp_main_t * im,
+ igmp_config_t * config, igmp_sg_t * sg, u32 context)
+{
+ vl_api_igmp_details_t *mp;
+
+ mp = vl_msg_api_alloc (sizeof (*mp));
+ memset (mp, 0, sizeof (*mp));
+
+ mp->_vl_msg_id = htons (VL_API_IGMP_DETAILS + im->msg_id_base);
+ mp->context = context;
+ mp->sw_if_index = htonl (config->sw_if_index);
+ clib_memcpy (mp->saddr, &sg->saddr.ip4, sizeof (u8) * 4);
+ clib_memcpy (mp->gaddr, &sg->gaddr.ip4, sizeof (u8) * 4);
+
+ vl_msg_api_send_shmem (q, (u8 *) & mp);
+}
+
+static void
+vl_api_igmp_dump_t_handler (vl_api_igmp_dump_t * mp)
+{
+ igmp_main_t *im = &igmp_main;
+ igmp_config_t *config;
+ igmp_sg_t *sg;
+
+ unix_shared_memory_queue_t *q =
+ vl_api_client_index_to_input_queue (mp->client_index);
+ if (!q)
+ return;
+
+ if (mp->dump_all)
+ {
+ /* *INDENT-OFF* */
+ pool_foreach (config, im->configs, (
+ {
+ pool_foreach (sg, config->sg, (
+ {
+ send_igmp_details (q, im, config, sg, mp->context);
+ }));
+ }));
+ /* *INDENT-ON* */
+ return;
+ }
+ config = igmp_config_lookup (im, ntohl (mp->sw_if_index));
+ if (config)
+ {
+ /* *INDENT-OFF* */
+ pool_foreach (sg, config->sg, (
+ {
+ send_igmp_details (q, im, config, sg, mp->context);
+ }));
+ /* *INDENT-ON* */
+ }
+}
+
+static void
+vl_api_igmp_clear_interface_t_handler (vl_api_igmp_clear_interface_t * mp)
+{
+ igmp_main_t *im = &igmp_main;
+ igmp_config_t *config;
+ vl_api_igmp_clear_interface_reply_t *rmp;
+ int rv = 0;
+
+ config = igmp_config_lookup (im, ntohl (mp->sw_if_index));
+ if (config)
+ igmp_clear_config (config);
+
+ unix_shared_memory_queue_t *q =
+ vl_api_client_index_to_input_queue (mp->client_index);
+ if (!q)
+ return;
+
+ rmp = vl_msg_api_alloc (sizeof (*rmp));
+ rmp->_vl_msg_id =
+ htons ((VL_API_IGMP_CLEAR_INTERFACE_REPLY) + im->msg_id_base);
+ rmp->context = mp->context;
+ rmp->retval = htonl (rv);
+
+ vl_msg_api_send_shmem (q, (u8 *) & rmp);
+}
+
+static void
+vl_api_want_igmp_events_t_handler (vl_api_want_igmp_events_t * mp)
+{
+ igmp_main_t *im = &igmp_main;
+ igmp_api_client_t *api_client;
+ vl_api_want_igmp_events_reply_t *rmp;
+ int rv = 0;
+
+ api_client = igmp_api_client_lookup (im, mp->client_index);
+ if (api_client)
+ {
+ if (mp->enable)
+ {
+ rv = VNET_API_ERROR_INVALID_REGISTRATION;
+ goto done;
+ }
+ hash_unset_mem (im->igmp_api_client_by_client_index,
+ &api_client->client_index);
+ pool_put (im->api_clients, api_client);
+ goto done;
+ }
+ if (mp->enable)
+ {
+ pool_get (im->api_clients, api_client);
+ memset (api_client, 0, sizeof (igmp_api_client_t));
+ api_client->client_index = mp->client_index;
+ api_client->pid = mp->pid;
+ hash_set_mem (im->igmp_api_client_by_client_index,
+ &mp->client_index, api_client - im->api_clients);
+ goto done;
+ }
+ rv = VNET_API_ERROR_INVALID_REGISTRATION;
+
+done:;
+ unix_shared_memory_queue_t *q =
+ vl_api_client_index_to_input_queue (mp->client_index);
+ if (!q)
+ return;
+
+ rmp = vl_msg_api_alloc (sizeof (*rmp));
+ rmp->_vl_msg_id = htons ((VL_API_WANT_IGMP_EVENTS_REPLY) + im->msg_id_base);
+ rmp->context = mp->context;
+ rmp->retval = htonl (rv);
+
+ vl_msg_api_send_shmem (q, (u8 *) & rmp);
+}
+
+void
+send_igmp_event (unix_shared_memory_queue_t * q, u32 context,
+ igmp_main_t * im, igmp_config_t * config, igmp_sg_t * sg)
+{
+ vl_api_igmp_event_t *mp = vl_msg_api_alloc (sizeof (*mp));
+ memset (mp, 0, sizeof (*mp));
+
+ mp->_vl_msg_id = ntohs ((VL_API_IGMP_EVENT) + im->msg_id_base);
+ mp->context = context;
+ mp->sw_if_index = htonl (config->sw_if_index);
+ clib_memcpy (&mp->saddr, &sg->saddr.ip4, sizeof (ip4_address_t));
+ clib_memcpy (&mp->gaddr, &sg->gaddr.ip4, sizeof (ip4_address_t));
+ mp->is_join =
+ (sg->group_type == IGMP_MEMBERSHIP_GROUP_mode_is_filter_include) ? 1 : 0;
+
+ vl_msg_api_send_shmem (q, (u8 *) & mp);
+}
+
+void
+igmp_event (igmp_main_t * im, igmp_config_t * config, igmp_sg_t * sg)
+{
+ igmp_api_client_t *api_client;
+ unix_shared_memory_queue_t *q;
+ /* *INDENT-OFF* */
+ pool_foreach (api_client, im->api_clients,
+ ({
+ q = vl_api_client_index_to_input_queue (api_client->client_index);
+ if (q)
+ send_igmp_event (q, 0, im, config, sg);
+ }));
+ /* *INDENT-ON* */
+ if (sg->group_type == IGMP_MEMBERSHIP_GROUP_block_old_sources)
+ {
+ hash_unset_mem (config->igmp_sg_by_key, sg->key);
+ clib_mem_free (sg->key);
+ pool_put (config->sg, sg);
+ if (pool_elts (config->sg) == 0)
+ {
+ hash_unset_mem (im->igmp_config_by_sw_if_index,
+ &config->sw_if_index);
+ pool_put (im->configs, config);
+ }
+ }
+}
+
+#define vl_msg_name_crc_list
+#include <igmp/igmp_all_api_h.h>
+#undef vl_msg_name_crc_list
+
+static void
+setup_message_id_table (igmp_main_t * im, api_main_t * am)
+{
+#define _(id,n,crc) \
+ vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + im->msg_id_base);
+ foreach_vl_msg_name_crc_igmp;
+#undef _
+}
+
+/* Set up the API message handling tables */
+static clib_error_t *
+igmp_plugin_api_hookup (vlib_main_t * vm)
+{
+ igmp_main_t *im = &igmp_main;
+ api_main_t *am = &api_main;
+ u8 *name;
+
+ /* Construct the API name */
+ name = format (0, "igmp_%08x%c", api_version, 0);
+
+ /* Ask for a correctly-sized block of API message decode slots */
+ im->msg_id_base = vl_msg_api_get_msg_ids
+ ((char *) name, VL_MSG_FIRST_AVAILABLE);
+
+#define _(N,n) \
+ vl_msg_api_set_handlers((VL_API_##N + im->msg_id_base), \
+ #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_igmp_plugin_api_msg;
+#undef _
+
+ /*
+ * Set up the (msg_name, crc, message-id) table
+ */
+ setup_message_id_table (im, am);
+
+ vec_free (name);
+ return 0;
+}
+
+VLIB_API_INIT_FUNCTION (igmp_plugin_api_hookup);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff