#include <vnet/mfib/mfib_table.h>
#include <igmp/igmp.h>
+#include <igmp/igmp_format.h>
+#include <igmp/igmp_pkt.h>
#include <limits.h>
#include <float.h>
igmp_main_t igmp_main;
-void
-igmp_clear_group (igmp_config_t * config, igmp_group_t * group)
-{
- igmp_src_t *src;
-
- ASSERT (config);
- ASSERT (group);
-
- IGMP_DBG ("group_type %u, sw_if_index %d", group->type,
- config->sw_if_index);
-
- /* *INDENT-OFF* */
- pool_foreach (src, group->srcs, (
- {
- clib_mem_free (src->key);
- }));
- /* *INDENT-ON* */
- pool_free (group->srcs);
- hash_free (group->igmp_src_by_key);
-
- hash_unset_mem (config->igmp_group_by_key, group->key);
- clib_mem_free (group->key);
- pool_put (config->groups, group);
-}
-
-void
-igmp_clear_config (igmp_config_t * config)
-{
- igmp_main_t *im = &igmp_main;
- igmp_group_t *group;
-
- ASSERT (config);
- /* *INDENT-OFF* */
- pool_foreach (group, config->groups, (
- {
- igmp_clear_group (config, group);
- }));
- /* *INDENT-ON* */
- pool_free (config->groups);
- hash_free (config->igmp_group_by_key);
-
- hash_unset (im->igmp_config_by_sw_if_index, config->sw_if_index);
- pool_put (im->configs, config);
-}
-
-/** \brief igmp timer compare
- @param _a - igmp timer
- @param _b - igmp timer
-
- Compare function for igmp_timer_t sorting.
-*/
-int
-igmp_timer_compare (const void *_a, const void *_b)
-{
- const igmp_timer_t *a = _a;
- const igmp_timer_t *b = _b;
- f64 dt = b->exp_time - a->exp_time;
- return dt < 0 ? -1 : (dt > 0 ? +1 : 0);
-}
-
-void
-igmp_sort_timers (igmp_timer_t * timers)
-{
- vlib_main_t *vm = vlib_get_main ();
-
- qsort (timers, vec_len (timers), sizeof (igmp_timer_t), igmp_timer_compare);
-
- vlib_process_signal_event (vm, igmp_timer_process_node.index,
- IGMP_PROCESS_EVENT_UPDATE_TIMER, 0);
-}
-
-void
-igmp_create_int_timer (f64 time, u32 sw_if_index,
- igmp_timer_function_t * func)
-{
- igmp_main_t *im = &igmp_main;
- igmp_timer_t *timer;
-
- pool_get (im->timers, timer);
- memset (timer, 0, sizeof (igmp_timer_t));
- timer->func = func;
- timer->exp_time = time;
- timer->sw_if_index = sw_if_index;
-
- igmp_sort_timers (im->timers);
-}
-
-void
-igmp_create_group_timer (f64 time, u32 sw_if_index, igmp_key_t * gkey,
- igmp_timer_function_t * func)
-{
- igmp_main_t *im = &igmp_main;
- igmp_timer_t *timer;
-
- pool_get (im->timers, timer);
- memset (timer, 0, sizeof (igmp_timer_t));
- timer->func = func;
- timer->exp_time = time;
- timer->sw_if_index = sw_if_index;
-
-
- ASSERT (gkey);
- /* duplicate keys, to prevent segmentation fault if (S,G) is removed */
- timer->data = clib_mem_alloc (sizeof (igmp_key_t));
- clib_memcpy (&((igmp_key_t *) timer->data)[0], gkey, sizeof (igmp_key_t));
-
- igmp_sort_timers (im->timers);
-}
-
-void
-igmp_create_src_timer (f64 time, u32 sw_if_index, igmp_key_t * gkey,
- igmp_key_t * skey, igmp_timer_function_t * func)
-{
- igmp_main_t *im = &igmp_main;
- igmp_timer_t *timer;
-
- pool_get (im->timers, timer);
- memset (timer, 0, sizeof (igmp_timer_t));
- timer->func = func;
- timer->exp_time = time;
- timer->sw_if_index = sw_if_index;
-
- ASSERT (gkey);
- ASSERT (skey);
- /* duplicate keys, to prevent segmentation fault if (S,G) is removed */
- timer->data = clib_mem_alloc (sizeof (igmp_key_t) * 2);
- clib_memcpy (&((igmp_key_t *) timer->data)[0], gkey, sizeof (igmp_key_t));
- clib_memcpy (&((igmp_key_t *) timer->data)[1], skey, sizeof (igmp_key_t));
-
- igmp_sort_timers (im->timers);
-}
-
-/** \brief igmp get next timer
- @param im - igmp main
-
- Get next timer.
-*/
-always_inline igmp_timer_t *
-igmp_get_next_timer (igmp_main_t * im)
-{
- if (pool_elts (im->timers) > 0)
- return vec_elt_at_index (im->timers, pool_elts (im->timers) - 1);
- return NULL;
-}
-
-/*
-static void
-igmp_create_report_v2 (vlib_buffer_t * b, igmp_config_t * config)
-{
- ip_csum_t sum;
- u16 csum;
- igmp_main_t *im = &igmp_main;
- igmp_sg_t *sg;
-
- sg = vec_elt_at_index (config->sg, im->next_index.sg_index);
-
- igmp_message_t *igmp = (igmp_message_t *) (vlib_buffer_get_current (b));
- memset (igmp, 0, sizeof (igmp_message_t));
-
- clib_memcpy (&igmp->dst, &sg->gaddr.ip4, sizeof (ip4_address_t));
- igmp->header.type =
- (sg->group_type == IGMP_MEMBERSHIP_GROUP_block_old_sources) ?
- IGMP_TYPE_leave_group_v2 : IGMP_TYPE_membership_report_v2;
- sum = ip_incremental_checksum (0, igmp, sizeof (igmp_message_t));
- csum = ~ip_csum_fold (sum);
- igmp->header.checksum = csum;
+/* *INDENT-OFF* */
+/* General Query address */
+const static mfib_prefix_t mpfx_general_query = {
+ .fp_proto = FIB_PROTOCOL_IP4,
+ .fp_len = 32,
+ .fp_grp_addr = {
+ .ip4 = {
+ .as_u32 = IGMP_GENERAL_QUERY_ADDRESS,
+ },
+ },
+};
- b->current_data += sizeof (igmp_message_t);
- b->current_length += sizeof (igmp_message_t);
-}
-*/
+/* Report address */
+const static mfib_prefix_t mpfx_report = {
+ .fp_proto = FIB_PROTOCOL_IP4,
+ .fp_len = 32,
+ .fp_grp_addr = {
+ .ip4 = {
+ .as_u32 = IGMP_MEMBERSHIP_REPORT_ADDRESS,
+ },
+ },
+};
+/* *INDENT-ON* */
-/* TODO: divide (S,G)s to multiple reports...
- * - create report limited by <packet size|number of (S,G)s>?
- * - save loop state
- * - on next timer continue loop
- * - case of new query -> reset loop
+/**
+ * @brief igmp send query (igmp_timer_function_t)
+ *
+ * Send an igmp query.
+ * If the timer holds group key, send Group-Specific query,
+ * else send General query.
*/
-
-/** \brief igmp create report all (v3)
- @param b - vlib buffer
- @param config - igmp configuration
- @param group - igmp group
-
- Create IGMPv3 report. If group is NULL, send all groups on interface.
-*/
-static void
-igmp_create_report_v3 (vlib_buffer_t * b, igmp_config_t * config,
- igmp_group_t * group)
-{
- ip_csum_t sum;
- u16 csum;
- u32 len = 0;
- int i;
-
- igmp_src_t *src;
-
- igmp_membership_group_v3_t *igmp_group;
-
- len = sizeof (igmp_membership_report_v3_t);
-
- igmp_membership_report_v3_t *igmp =
- (igmp_membership_report_v3_t *) (vlib_buffer_get_current (b));
- memset (igmp, 0, sizeof (igmp_membership_report_v3_t));
-
- igmp->header.type = IGMP_TYPE_membership_report_v3;
- igmp->n_groups =
- clib_net_to_host_u16 ((group) ? 1 : pool_elts (config->groups));
-
- /* get pointer to first group */
- igmp_group = igmp->groups;
-
- /* if group is not NULL, send the specified group */
- if (group)
- {
- memset (igmp_group, 0, sizeof (igmp_membership_group_v3_t));
- igmp_group->type = group->type;
- igmp_group->n_src_addresses =
- clib_host_to_net_u16 (pool_elts (group->srcs));
- igmp_group->dst_address = group->addr.ip4;
- i = 0;
- /* *INDENT-OFF* */
- pool_foreach (src, group->srcs, (
- {
- igmp_group->src_addresses[i++] = src->addr.ip4;
- }));
- /* *INDENT-ON* */
- len += sizeof (ip4_address_t) * i;
- len += sizeof (igmp_membership_group_v3_t);
- }
- else
- {
- /* *INDENT-OFF* */
- pool_foreach (group, config->groups, (
- {
- memset (igmp_group, 0, sizeof (igmp_membership_group_v3_t));
- igmp_group->type = group->type;
- igmp_group->n_src_addresses =
- clib_host_to_net_u16 (pool_elts (group->srcs));
- igmp_group->dst_address = group->addr.ip4;
- i = 0;
- pool_foreach (src, group->srcs, (
- {
- igmp_group->src_addresses[i++] = src->addr.ip4;
- }));
- len += sizeof (ip4_address_t) * i;
- len += sizeof (igmp_membership_group_v3_t);
- igmp_group = group_ptr (igmp, len);
- }));
- /* *INDENT-ON* */
- }
-
- sum = ip_incremental_checksum (0, igmp, len);
- csum = ~ip_csum_fold (sum);
- igmp->header.checksum = csum;
-
- b->current_data += len;
- b->current_length += len;
-}
-
-/** \brief igmp create query (v3)
- @param b - vlib buffer
- @param config - configuration that sends the query
- @param group - if not NULL, create Group-specific query
-
- Create igmp v3 qeury inside vlib buffer b.
- If group == NULL create general query,
- else, create group specific query.
-*/
static void
-igmp_create_query_v3 (vlib_buffer_t * b, igmp_config_t * config,
- igmp_group_t * group)
+igmp_send_general_query (u32 obj, void *dat)
{
- vlib_main_t *vm = vlib_get_main ();
- ip_csum_t sum;
- u16 csum;
-
- igmp_membership_query_v3_t *igmp =
- (igmp_membership_query_v3_t *) (vlib_buffer_get_current (b));
- memset (igmp, 0, sizeof (igmp_membership_query_v3_t));
+ igmp_pkt_build_query_t bq;
+ igmp_config_t *config;
- igmp->header.type = IGMP_TYPE_membership_query;
- igmp->header.code = 100;
+ config = igmp_config_get (obj);
- config->flags &= ~IGMP_CONFIG_FLAG_QUERY_RESP_RECVED;
- igmp_create_int_timer (vlib_time_now (vm) + (f64) (igmp->header.code / 10),
- config->sw_if_index, igmp_query_resp_exp);
+ IGMP_DBG ("send-general-query: %U",
+ format_vnet_sw_if_index_name, vnet_get_main (),
+ config->sw_if_index);
- if (PREDICT_FALSE (group != NULL))
- clib_memcpy (&igmp->dst, &group->addr.ip4, sizeof (ip4_address_t));
+ igmp_timer_retire (&config->timers[IGMP_CONFIG_TIMER_GENERAL_QUERY]);
- sum =
- ip_incremental_checksum (0, igmp, sizeof (igmp_membership_query_v3_t));
- csum = ~ip_csum_fold (sum);
- igmp->header.checksum = csum;
+ igmp_pkt_build_query_init (&bq, config->sw_if_index);
+ igmp_pkt_query_v3_add_group (&bq, NULL, NULL);
+ igmp_pkt_query_v3_send (&bq);
- b->current_data += sizeof (igmp_membership_query_v3_t);
- b->current_length += sizeof (igmp_membership_query_v3_t);
+ /*
+ * re-schedule
+ */
+ config->timers[IGMP_CONFIG_TIMER_GENERAL_QUERY] =
+ igmp_timer_schedule (igmp_timer_type_get (IGMP_TIMER_QUERY),
+ igmp_config_index (config),
+ igmp_send_general_query, NULL);
}
-/** \brief igmp create ip4
- @param b - vlib buffer
- @param config - igmp configuration
- @param group - igmp membership group
- @param is_report - if zero create query, else create report
-
- Create ip4 header in vlib buffer b.
-*/
static void
-igmp_create_ip4 (vlib_buffer_t * b, igmp_config_t * config,
- igmp_group_t * group, u8 is_report)
+igmp_send_state_change_group_report_v3 (u32 sw_if_index,
+ const igmp_group_t * group)
{
- ip_lookup_main_t *lm = &ip4_main.lookup_main;
-
- ip4_header_t *ip4 = (ip4_header_t *) (vlib_buffer_get_current (b));
- memset (ip4, 0, sizeof (ip4_header_t));
- ip4->ip_version_and_header_length = 0x45;
- ip4->ttl = 1;
- ip4->protocol = 2;
- ip4->tos = 0xc0;
-
- u32 if_add_index =
- lm->if_address_pool_index_by_sw_if_index[config->sw_if_index];
- if (PREDICT_TRUE (if_add_index != ~0))
- {
- ip_interface_address_t *if_add =
- pool_elt_at_index (lm->if_address_pool, if_add_index);
- ip4_address_t *if_ip = ip_interface_address_get_address (lm, if_add);
- clib_memcpy (&ip4->src_address, if_ip, sizeof (ip4_address_t));
- }
-
- if (is_report)
- ip4->dst_address.as_u32 =
- clib_host_to_net_u32 (IGMP_MEMBERSHIP_REPORT_ADDRESS);
- else
- {
- if ((group != NULL))
- clib_memcpy (&ip4->dst_address, &group->addr.ip4,
- sizeof (ip4_address_t));
- else
- ip4->dst_address.as_u32 =
- clib_host_to_net_u32 (IGMP_GENERAL_QUERY_ADDRESS);
- }
-
- b->current_data += ip4_header_bytes (ip4);
- b->current_length += ip4_header_bytes (ip4);
+ igmp_pkt_build_report_t br;
- config->next_create_msg (b, config, group);
- ip4->length = clib_host_to_net_u16 (b->current_length);
+ IGMP_DBG ("state-change-group: %U", format_igmp_key, group->key);
- ip4->checksum = ip4_header_checksum (ip4);
+ igmp_pkt_build_report_init (&br, sw_if_index);
+ igmp_pkt_report_v3_add_group (&br,
+ group,
+ IGMP_MEMBERSHIP_GROUP_allow_new_sources);
+ igmp_pkt_report_v3_send (&br);
}
-
-/** \brief igmp send message
- @param vm - vlib main
- @param node - vlib runtime node
- @param im - igmp main
- @param config - igmp configuration
- @param group - igmp mebership group
- @param is_report - 0 == qeury, else report
-
- Send an igmp message. Get free vlib buffer fill it with igmp packet and transmit.
-*/
static void
-igmp_send_msg (vlib_main_t * vm, vlib_node_runtime_t * node,
- igmp_main_t * im, igmp_config_t * config, igmp_group_t * group,
- u8 is_report)
-{
- u32 *to_next = 0;
- u32 next_index = ip4_rewrite_node.index;
-
- u32 bi = 0;
- vlib_buffer_alloc (vm, &bi, 1);
-
- vlib_buffer_t *b = vlib_get_buffer (vm, bi);
- vlib_buffer_free_list_t *fl = vlib_buffer_get_free_list (vm,
- VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
- vlib_buffer_init_for_free_list (b, fl);
-
- b->current_data = 0;
- b->current_length = 0;
-
- igmp_create_ip4 (b, config, group, is_report);
-
- b->current_data = 0;
-
- b->total_length_not_including_first_buffer = 0;
- b->flags = VLIB_BUFFER_TOTAL_LENGTH_VALID;
- vnet_buffer (b)->sw_if_index[VLIB_RX] = (u32) ~ 0;
- vnet_buffer (b)->ip.adj_index[VLIB_TX] = config->adj_index;
-
- b->flags |= VNET_BUFFER_F_LOCALLY_ORIGINATED;
-
-
- vlib_frame_t *f = vlib_get_frame_to_node (vm, next_index);
- to_next = vlib_frame_vector_args (f);
- to_next[0] = bi;
-
- f->n_vectors = 1;
-
- vlib_buffer_t *c = vlib_buffer_copy (vm, b);
- to_next += 1;
- to_next[0] = vlib_get_buffer_index (vm, c);
-
- vlib_put_frame_to_node (vm, next_index, f);
-}
-
-void
-igmp_send_query (vlib_main_t * vm, vlib_node_runtime_t * rt, igmp_main_t * im,
- igmp_timer_t * timer)
-{
- igmp_config_t *config;
-/* TODO: group-specific query: pass group key in timer */
- igmp_group_t *group = NULL;
-
- u32 sw_if_index = timer->sw_if_index;
-
- pool_put (im->timers, timer);
-
- config = igmp_config_lookup (im, sw_if_index);
- if (!config)
- return;
-
- /* TODO: implement IGMPv2 */
- config->next_create_msg = igmp_create_query_v3;
- igmp_send_msg (vm, rt, im, config, group, /* is_report */ 0);
-
- /* in case of group query we don't want to set up another qery timer */
- if (PREDICT_TRUE (!group))
- igmp_create_int_timer (vlib_time_now (vm) + IGMP_QUERY_TIMER, sw_if_index,
- igmp_send_query);
-}
-
-void
-igmp_query_resp_exp (vlib_main_t * vm, vlib_node_runtime_t * rt,
- igmp_main_t * im, igmp_timer_t * timer)
-{
- igmp_config_t *config;
-/* TODO: group-specific query: pass group key in timer */
- igmp_group_t *group = NULL;
-
- u32 sw_if_index = timer->sw_if_index;
-
- pool_put (im->timers, timer);
-
- config = igmp_config_lookup (im, sw_if_index);
- if (!config)
- return;
-
- /* if group != NULL this is a group-specific qeury timer */
- if (PREDICT_FALSE (group != NULL))
- {
- if ((group->flags & IGMP_GROUP_FLAG_QUERY_RESP_RECVED) == 0)
- {
- igmp_clear_group (config, group);
- return;
- }
- }
- /* if report not received in max resp time clear igmp on interface */
- if ((config->flags & IGMP_CONFIG_FLAG_QUERY_RESP_RECVED) == 0)
- {
- igmp_clear_config (config);
- }
-}
-
-void
-igmp_send_report (vlib_main_t * vm, vlib_node_runtime_t * rt,
- igmp_main_t * im, igmp_timer_t * timer)
+igmp_resend_state_change_group_report_v3 (u32 gi, void *data)
{
igmp_config_t *config;
+ igmp_group_t *group;
- u32 sw_if_index = timer->sw_if_index;
-
- pool_put (im->timers, timer);
+ group = igmp_group_get (gi);
+ config = igmp_config_get (group->config);
- config = igmp_config_lookup (im, sw_if_index);
- if (!config)
- return;
+ igmp_timer_retire (&group->timers[IGMP_GROUP_TIMER_RESEND_REPORT]);
+ igmp_send_state_change_group_report_v3 (config->sw_if_index, group);
- if (config->flags & IGMP_CONFIG_FLAG_CAN_SEND_REPORT)
+ if (++group->n_reports_sent < config->robustness_var)
{
- /* TODO: implement IGMPv2 and IGMPv1 */
- config->next_create_msg = igmp_create_report_v3;
- /* pass NULL as group to send all groups at once */
- igmp_send_msg (vm, rt, im, config, NULL, /* is_report */ 1);
- /* WIP: unset flag after all reports sent */
- config->flags &= ~IGMP_CONFIG_FLAG_CAN_SEND_REPORT;
+ group->timers[IGMP_GROUP_TIMER_RESEND_REPORT] =
+ igmp_timer_schedule (igmp_timer_type_get (IGMP_TIMER_REPORT_INTERVAL),
+ igmp_group_index (group),
+ igmp_resend_state_change_group_report_v3, NULL);
}
}
-void
-igmp_send_state_changed (vlib_main_t * vm, vlib_node_runtime_t * rt,
- igmp_main_t * im, igmp_timer_t * timer)
+int
+igmp_listen (vlib_main_t * vm,
+ igmp_filter_mode_t mode,
+ u32 sw_if_index,
+ const ip46_address_t * saddrs, const ip46_address_t * gaddr)
{
+ const ip46_address_t *saddr;
igmp_config_t *config;
igmp_group_t *group;
- igmp_src_t *src;
- igmp_key_t gkey;
-
- u32 sw_if_index = timer->sw_if_index;
- IGMP_DBG ("sw_if_index %d", sw_if_index);
- ASSERT (timer->data);
- clib_memcpy (&gkey, timer->data, sizeof (igmp_key_t));
-
- pool_put (im->timers, timer);
+ /*
+ * RFC 3376 Section 2
+ " For a given combination of socket, interface, and multicast address,
+ only a single filter mode and source list can be in effect at any one
+ time. However, either the filter mode or the source list, or both,
+ may be changed by subsequent IPMulticastListen requests that specify
+ the same socket, interface, and multicast address. Each subsequent
+ request completely replaces any earlier request for the given socket,
+ interface and multicast address."
+ */
+ int rv = 0;
+ IGMP_DBG ("listen: (%U, %U) %U %U",
+ format_igmp_src_addr_list, saddrs,
+ format_igmp_key, gaddr,
+ format_vnet_sw_if_index_name, vnet_get_main (),
+ sw_if_index, format_igmp_filter_mode, mode);
+ /*
+ * find configuration, if it dosn't exist, then this interface is
+ * not IGMP enabled
+ */
+ config = igmp_config_lookup (sw_if_index);
- config = igmp_config_lookup (im, sw_if_index);
if (!config)
- return;
-
- group = igmp_group_lookup (config, &gkey);
- if (!group)
- return;
-
- config->next_create_msg = igmp_create_report_v3;
- igmp_send_msg (vm, rt, im, config, group, /* is_report */ 1);
-
- IGMP_DBG ("group_type %u", group->type);
-
- if (group->type == IGMP_MEMBERSHIP_GROUP_change_to_filter_include)
{
- igmp_key_t new_gkey;
- igmp_group_t *new_group;
- igmp_src_t *new_src;
-
- clib_memcpy (&new_gkey.data, &group->addr, sizeof (ip46_address_t));
- new_gkey.group_type = IGMP_MEMBERSHIP_GROUP_mode_is_filter_include;
-
- new_group = igmp_group_lookup (config, &new_gkey);
- if (!new_group)
- {
- IGMP_DBG ("creating new group...");
- pool_get (config->groups, new_group);
- /* get valid pointer to old group */
- group = igmp_group_lookup (config, &gkey);
-
- memset (new_group, 0, sizeof (igmp_group_t));
-
- clib_memcpy (&new_group->addr, &group->addr,
- sizeof (ip46_address_t));
- new_group->n_srcs = 0;
- new_group->type = new_gkey.group_type;
-
- new_group->key = clib_mem_alloc (sizeof (igmp_key_t));
- clib_memcpy (new_group->key, &new_gkey, sizeof (igmp_key_t));
- new_group->igmp_src_by_key =
- hash_create_mem (0, sizeof (igmp_key_t), sizeof (uword));
- hash_set_mem (config->igmp_group_by_key, new_group->key,
- new_group - config->groups);
- }
- /* *INDENT-OFF* */
- /* loop through old group sources */
- pool_foreach (src, group->srcs, (
- {
- /* add sources to new group */
- new_src = igmp_src_lookup (new_group, src->key);
- if (!new_src)
- {
- pool_get (new_group->srcs, new_src);
- memset (new_src, 0, sizeof (igmp_src_t));
- new_group->n_srcs += 1;
- new_src->key = clib_mem_alloc (sizeof (igmp_key_t));
- clib_memcpy (new_src->key, src->key, sizeof (igmp_key_t));
- clib_memcpy (&new_src->addr, &src->addr,
- sizeof (ip46_address_t));
-
- hash_set_mem (new_group->igmp_src_by_key, new_src->key,
- new_src - new_group->srcs);
- }
- }));
- /* *INDENT-ON* */
+ rv = VNET_API_ERROR_INVALID_INTERFACE;
+ goto error;
}
-
- /* remove group */
- IGMP_DBG ("remove group");
- igmp_clear_group (config, group);
- if (pool_elts (config->groups) == 0)
+ if (config->mode != IGMP_MODE_HOST)
{
- hash_unset (im->igmp_config_by_sw_if_index, config->sw_if_index);
- pool_put (im->configs, config);
+ rv = VNET_API_ERROR_INVALID_INTERFACE;
+ goto error;
}
-}
-
-void
-igmp_src_exp (vlib_main_t * vm, vlib_node_runtime_t * rt,
- igmp_main_t * im, igmp_timer_t * timer)
-{
- igmp_config_t *config;
- igmp_group_t *group;
- igmp_src_t *src;
- ASSERT (timer->data);
+ /* find igmp group, if it dosn't exist, create new */
+ group = igmp_group_lookup (config, gaddr);
- igmp_key_t *gkey = (igmp_key_t *) & ((igmp_key_t *) timer->data)[0];
- igmp_key_t *skey = (igmp_key_t *) & ((igmp_key_t *) timer->data)[1];
-
- config = igmp_config_lookup (im, timer->sw_if_index);
- if (!config)
- goto done;
- group = igmp_group_lookup (config, gkey);
if (!group)
- goto done;
- src = igmp_src_lookup (group, skey);
- if (!src)
- goto done;
- /* check if this timer is valid */
- if (timer->exp_time != src->exp_time)
- {
- timer->exp_time = src->exp_time;
- igmp_sort_timers (im->timers);
- return;
- }
-
- ip46_address_t saddr;
- ip46_address_t gaddr;
- clib_memcpy (&saddr, skey->data, sizeof (ip46_address_t));
- clib_memcpy (&gaddr, gkey->data, sizeof (ip46_address_t));
-
- /* source timer expired, remove src */
- igmp_listen (vm, 0, timer->sw_if_index, saddr, gaddr, 0);
-done:
- clib_mem_free (timer->data);
- pool_put (im->timers, timer);
-}
-
-/** \brief igmp timer process
- @param vm - vlib main
- @param rt - vlib runtime node
- @param f - vlib frame
-
- Handle igmp timers.
-*/
-static uword
-igmp_timer_process (vlib_main_t * vm, vlib_node_runtime_t * rt,
- vlib_frame_t * f)
-{
- igmp_main_t *im = &igmp_main;
- uword *event_data = 0, event_type;
- f64 time_start;
- igmp_timer_t *timer = NULL;
- while (1)
{
- /* suspend util timer expires */
- if (NULL != timer)
- vlib_process_wait_for_event_or_clock (vm,
- timer->exp_time - time_start);
- else
- vlib_process_wait_for_event (vm);
- time_start = vlib_time_now (vm);
- event_type = vlib_process_get_events (vm, &event_data);
- vec_reset_length (event_data);
- if (event_type == IGMP_PROCESS_EVENT_UPDATE_TIMER)
- goto next_timer;
- IGMP_DBG ("time: %f", vlib_time_now (vm));
- /* timer expired */
- if (NULL != timer && timer->func != NULL)
- timer->func (vm, rt, im, timer);
- next_timer:
- timer = igmp_get_next_timer (im);
+ group = igmp_group_alloc (config, gaddr, mode);
+
+ /* new group implies create all sources */
+ vec_foreach (saddr, saddrs)
+ {
+ igmp_group_src_update (group, saddr, IGMP_MODE_HOST);
+ }
+
+ /*
+ * Send state changed event report for the group.
+ *
+ * RFC3376 Section 5.1
+ * "To cover the possibility of the State-Change Report being missed by
+ * one or more multicast routers, it is retransmitted [Robustness
+ * Variable] - 1 more times, at intervals chosen at random from the
+ * range (0, [Unsolicited Report Interval])."
+ */
+ igmp_send_state_change_group_report_v3 (config->sw_if_index, group);
+
+ igmp_timer_retire (&group->timers[IGMP_GROUP_TIMER_RESEND_REPORT]);
+
+ group->n_reports_sent = 1;
+ group->timers[IGMP_GROUP_TIMER_RESEND_REPORT] =
+ igmp_timer_schedule (igmp_timer_type_get (IGMP_TIMER_REPORT_INTERVAL),
+ igmp_group_index (group),
+ igmp_resend_state_change_group_report_v3, NULL);
}
- return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (igmp_timer_process_node) =
-{
- .function = igmp_timer_process,
- .type = VLIB_NODE_TYPE_PROCESS,
- .name = "igmp-timer-process",
- .n_next_nodes = IGMP_N_NEXT,
- .next_nodes = {
- [IGMP_NEXT_IP4_REWRITE_MCAST_NODE] = "ip4-rewrite-mcast",
- [IGMP_NEXT_IP6_REWRITE_MCAST_NODE] = "ip6-rewrite-mcast",
- }
-};
-/* *INDENT-ON* */
-
-int
-igmp_listen (vlib_main_t * vm, u8 enable, u32 sw_if_index,
- ip46_address_t saddr, ip46_address_t gaddr, u8 flags)
-{
- igmp_main_t *im = &igmp_main;
- igmp_config_t *config;
- igmp_group_t *group;
- igmp_src_t *src;
- igmp_key_t skey;
- igmp_key_t gkey;
-
- igmp_membership_group_v3_type_t group_type =
- (flags & IGMP_CONFIG_FLAG_CLI_API_CONFIGURED) ?
- IGMP_MEMBERSHIP_GROUP_change_to_filter_include :
- IGMP_MEMBERSHIP_GROUP_mode_is_filter_include;
- int rv = 0;
-
- /* set the lookup keys */
- skey.group_type = 0;
- gkey.group_type = group_type;
- clib_memcpy (&skey.data, &saddr, sizeof (ip46_address_t));
- clib_memcpy (&gkey.data, &gaddr, sizeof (ip46_address_t));
-
- if (enable)
+ else
{
- /* find configuration, if it dosn't exist, create new */
- config = igmp_config_lookup (im, sw_if_index);
- if (!config)
- {
- pool_get (im->configs, config);
- memset (config, 0, sizeof (igmp_config_t));
- config->sw_if_index = sw_if_index;
- config->igmp_group_by_key =
- hash_create_mem (0, sizeof (igmp_key_t), sizeof (uword));
- /* use IGMPv3 by default */
- config->igmp_ver = IGMP_V3;
- config->robustness_var = IGMP_DEFAULT_ROBUSTNESS_VARIABLE;
- config->flags |= IGMP_CONFIG_FLAG_QUERY_RESP_RECVED | flags;
-
- if ((flags & IGMP_CONFIG_FLAG_CLI_API_CONFIGURED) == 0)
- {
- /* create qery timer */
- igmp_create_int_timer (vlib_time_now (vm) + IGMP_QUERY_TIMER,
- sw_if_index, igmp_send_query);
- }
- config->adj_index =
- adj_mcast_add_or_lock (FIB_PROTOCOL_IP4, VNET_LINK_IP4,
- config->sw_if_index);
- hash_set (im->igmp_config_by_sw_if_index,
- config->sw_if_index, config - im->configs);
- }
- else if ((config->flags & IGMP_CONFIG_FLAG_CLI_API_CONFIGURED & flags)
- == 0)
+ IGMP_DBG ("... update (%U, %U) %U %U",
+ format_igmp_src_addr_list, saddrs,
+ format_igmp_key, gaddr,
+ format_vnet_sw_if_index_name, vnet_get_main (),
+ sw_if_index, format_igmp_filter_mode, mode);
+
+ /*
+ * RFC 3367 Section 5.1
+ *
+ * Old State New State State-Change Record Sent
+ * --------- --------- ------------------------
+ *
+ * 1) INCLUDE (A) INCLUDE (B) ALLOW (B-A), BLOCK (A-B)
+ * 2) EXCLUDE (A) EXCLUDE (B) ALLOW (A-B), BLOCK (B-A)
+ * 3) INCLUDE (A) EXCLUDE (B) TO_EX (B)
+ * 4) EXCLUDE (A) INCLUDE (B) TO_IN (B)
+ *
+ * N.B. We do not split state-change records for pending transfer
+ * hence there is no merge logic required.
+ */
+
+ if (IGMP_FILTER_MODE_INCLUDE == mode)
{
- rv = -2;
- goto error;
- }
- /* find igmp group, if it dosn't exist, create new */
- group = igmp_group_lookup (config, &gkey);
- if (!group)
- {
- pool_get (config->groups, group);
- memset (group, 0, sizeof (igmp_group_t));
- group->key = clib_mem_alloc (sizeof (igmp_key_t));
- clib_memcpy (group->key, &gkey, sizeof (igmp_key_t));
- clib_memcpy (&group->addr, &gaddr, sizeof (ip46_address_t));
- group->igmp_src_by_key =
- hash_create_mem (0, sizeof (igmp_key_t), sizeof (uword));
- group->n_srcs = 0;
- group->type = gkey.group_type;
- if (flags & IGMP_CONFIG_FLAG_CLI_API_CONFIGURED)
+ ip46_address_t *added, *removed;
+ igmp_pkt_build_report_t br;
+
+ /*
+ * find the list of sources that have been added and removed from
+ * the include set
+ */
+ removed =
+ igmp_group_present_minus_new (group, IGMP_FILTER_MODE_INCLUDE,
+ saddrs);
+ added =
+ igmp_group_new_minus_present (group, IGMP_FILTER_MODE_INCLUDE,
+ saddrs);
+
+ if (!(vec_len (added) || vec_len (removed)))
+ /* no change => done */
+ goto error;
+
+ igmp_pkt_build_report_init (&br, config->sw_if_index);
+
+ if (vec_len (added))
{
- /* create state-changed report timer with zero timeout */
- igmp_create_group_timer (0, sw_if_index, group->key,
- igmp_send_state_changed);
+ igmp_pkt_report_v3_add_report (&br,
+ group->key,
+ added,
+ IGMP_MEMBERSHIP_GROUP_allow_new_sources);
}
- hash_set_mem (config->igmp_group_by_key, group->key,
- group - config->groups);
- }
- /* find source, if it dosn't exist, create new */
- src = igmp_src_lookup (group, &skey);
- if (!src)
- {
- pool_get (group->srcs, src);
- memset (src, 0, sizeof (igmp_src_t));
- group->n_srcs += 1;
- src->key = clib_mem_alloc (sizeof (igmp_key_t));
- clib_memcpy (src->key, &skey, sizeof (igmp_key_t));
- clib_memcpy (&src->addr, &saddr, sizeof (ip46_address_t));
- if ((flags & IGMP_CONFIG_FLAG_CLI_API_CONFIGURED) == 0)
+ if (vec_len (removed))
{
- /* arm source timer (after expiration remove (S,G)) */
- igmp_event (im, config, group, src);
- src->exp_time = vlib_time_now (vm) + IGMP_SRC_TIMER;
- igmp_create_src_timer (src->exp_time, config->sw_if_index,
- group->key, src->key, igmp_src_exp);
+ igmp_pkt_report_v3_add_report (&br,
+ group->key,
+ removed,
+ IGMP_MEMBERSHIP_GROUP_block_old_sources);
}
- hash_set_mem (group->igmp_src_by_key, src->key, src - group->srcs);
- }
- else
- {
- rv = -1;
- goto error;
- }
- }
- else
- {
- config = igmp_config_lookup (im, sw_if_index);
- if (config)
- {
- gkey.group_type = IGMP_MEMBERSHIP_GROUP_mode_is_filter_include;
- group = igmp_group_lookup (config, &gkey);
- if (group)
- {
- src = igmp_src_lookup (group, &skey);
- if (src)
- {
- /* add source to block_all_sources group */
- igmp_key_t new_gkey;
- igmp_group_t *new_group;
+ IGMP_DBG ("... added %U", format_igmp_src_addr_list, added);
+ IGMP_DBG ("... removed %U", format_igmp_src_addr_list, removed);
- clib_memcpy (&new_gkey, &gkey, sizeof (igmp_key_t));
- new_gkey.group_type =
- IGMP_MEMBERSHIP_GROUP_block_old_sources;
- new_group = igmp_group_lookup (config, &new_gkey);
- if (!new_group)
- {
- pool_get (config->groups, new_group);
+ igmp_pkt_report_v3_send (&br);
- group = igmp_group_lookup (config, &gkey);
+ /*
+ * clear the group of the old sources and populate it with the new
+ * set requested
+ */
+ igmp_group_free_all_srcs (group);
- memset (new_group, 0, sizeof (igmp_group_t));
- new_group->key = clib_mem_alloc (sizeof (igmp_key_t));
- clib_memcpy (new_group->key, &new_gkey,
- sizeof (igmp_key_t));
- clib_memcpy (&new_group->addr, &group->addr,
- sizeof (ip46_address_t));
- new_group->igmp_src_by_key =
- hash_create_mem (0, sizeof (igmp_key_t),
- sizeof (uword));
- new_group->n_srcs = 0;
- new_group->type = new_gkey.group_type;
- hash_set_mem (config->igmp_group_by_key, new_group->key,
- new_group - config->groups);
- }
- igmp_src_t *new_src;
- new_src = igmp_src_lookup (new_group, &skey);
- if (!new_src)
- {
- pool_get (new_group->srcs, new_src);
- memset (new_src, 0, sizeof (igmp_src_t));
- new_group->n_srcs += 1;
- new_src->key = clib_mem_alloc (sizeof (igmp_key_t));
- clib_memcpy (new_src->key, src->key,
- sizeof (igmp_key_t));
- clib_memcpy (&new_src->addr, &src->addr,
- sizeof (ip46_address_t));
- hash_set_mem (new_group->igmp_src_by_key, new_src->key,
- new_src - new_group->srcs);
- }
+ vec_foreach (saddr, saddrs)
+ {
+ igmp_group_src_update (group, saddr, IGMP_MODE_HOST);
+ }
- /* notify all registered api clients */
- if ((flags & IGMP_CONFIG_FLAG_CLI_API_CONFIGURED) == 0)
- igmp_event (im, config, new_group, new_src);
- else
- igmp_create_group_timer (0, sw_if_index, new_group->key,
- igmp_send_state_changed);
- /* remove source form mode_is_filter_include group */
- hash_unset_mem (group->igmp_src_by_key, src->key);
- clib_mem_free (src->key);
- pool_put (group->srcs, src);
- group->n_srcs -= 1;
- if (group->n_srcs <= 0)
- igmp_clear_group (config, group);
- if (pool_elts (config->groups) <= 0)
- igmp_clear_config (config);
- }
- else
- {
- rv = -1;
- goto error;
- }
- }
- else
- {
- rv = -1;
- goto error;
- }
+ if (0 == igmp_group_n_srcs (group, mode))
+ igmp_group_clear (group);
+
+ vec_free (added);
+ vec_free (removed);
}
else
{
- rv = -1;
- goto error;
+ /*
+ * The control plane is excluding some sources.
+ * - First; check for those that are present in the include list
+ * - Second; check add them to the exlude list
+ *
+ * TODO
+ */
}
}
error:
- return rv;
+ return (rv);
}
/** \brief igmp hardware interface link up down
If an interface goes down, remove its (S,G)s.
*/
-static clib_error_t *
-igmp_hw_interface_link_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
+static walk_rc_t
+igmp_sw_if_down (vnet_main_t * vnm, u32 sw_if_index, void *ctx)
{
- igmp_main_t *im = &igmp_main;
igmp_config_t *config;
- clib_error_t *error = NULL;
- /* remove igmp from a down interface to prevent crashes... */
- config =
- igmp_config_lookup (im,
- vnet_get_hw_interface (vnm,
- hw_if_index)->sw_if_index);
- if (config)
+ config = igmp_config_lookup (sw_if_index);
+ IGMP_DBG ("down: %U",
+ format_vnet_sw_if_index_name, vnet_get_main (), sw_if_index);
+ if (NULL != config)
{
- if ((flags & VNET_HW_INTERFACE_FLAG_LINK_UP) == 0)
- igmp_clear_config (config);
+ igmp_clear_config (config);
}
+
+ return (WALK_CONTINUE);
+}
+
+static clib_error_t *
+igmp_hw_interface_link_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
+{
+ clib_error_t *error = NULL;
+ /* remove igmp state from down interfaces */
+ if (!(flags & VNET_HW_INTERFACE_FLAG_LINK_UP))
+ vnet_hw_interface_walk_sw (vnm, hw_if_index, igmp_sw_if_down, NULL);
return error;
}
VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION (igmp_hw_interface_link_up_down);
+int
+igmp_enable_disable (u32 sw_if_index, u8 enable, igmp_mode_t mode)
+{
+ igmp_config_t *config;
+ igmp_main_t *im = &igmp_main;
+ u32 mfib_index;
+ IGMP_DBG ("%s: %U", (enable ? "Enabled" : "Disabled"),
+ format_vnet_sw_if_index_name, vnet_get_main (), sw_if_index);
+
+ /* *INDENT-OFF* */
+ fib_route_path_t for_us_path =
+ {
+ .frp_proto = fib_proto_to_dpo (FIB_PROTOCOL_IP4),
+ .frp_addr = zero_addr,
+ .frp_sw_if_index = 0xffffffff,
+ .frp_fib_index = 0,
+ .frp_weight = 1,
+ .frp_flags = FIB_ROUTE_PATH_LOCAL,
+ };
+ fib_route_path_t via_itf_path =
+ {
+ .frp_proto = fib_proto_to_dpo (FIB_PROTOCOL_IP4),
+ .frp_addr = zero_addr,
+ .frp_sw_if_index = sw_if_index,
+ .frp_fib_index = 0,
+ .frp_weight = 1,
+ };
+ /* *INDENT-ON* */
+ /* find configuration, if it dosn't exist, create new */
+ config = igmp_config_lookup (sw_if_index);
+ mfib_index = mfib_table_get_index_for_sw_if_index (FIB_PROTOCOL_IP4,
+ sw_if_index);
+ if (!config && enable)
+ {
+ u32 ii;
+
+ vec_validate_init_empty (im->igmp_config_by_sw_if_index,
+ sw_if_index, ~0);
+ pool_get (im->configs, config);
+ memset (config, 0, sizeof (igmp_config_t));
+ config->sw_if_index = sw_if_index;
+ config->igmp_group_by_key =
+ hash_create_mem (0, sizeof (igmp_key_t), sizeof (uword));
+ config->robustness_var = IGMP_DEFAULT_ROBUSTNESS_VARIABLE;
+ config->mode = mode;
+
+ for (ii = 0; ii < IGMP_CONFIG_N_TIMERS; ii++)
+ config->timers[ii] = IGMP_TIMER_ID_INVALID;
+
+ if (IGMP_MODE_ROUTER == mode)
+ {
+ config->timers[IGMP_CONFIG_TIMER_GENERAL_QUERY] =
+ igmp_timer_schedule (igmp_timer_type_get (IGMP_TIMER_QUERY),
+ igmp_config_index (config),
+ igmp_send_general_query, NULL);
+ }
+
+ config->adj_index =
+ adj_mcast_add_or_lock (FIB_PROTOCOL_IP4, VNET_LINK_IP4,
+ config->sw_if_index);
+ im->igmp_config_by_sw_if_index[config->sw_if_index] =
+ (config - im->configs);
+ {
+ vec_validate (im->n_configs_per_mfib_index, mfib_index);
+ im->n_configs_per_mfib_index[mfib_index]++;
+ if (1 == im->n_configs_per_mfib_index[mfib_index])
+ {
+ /* first config in this FIB */
+ mfib_table_entry_path_update (mfib_index,
+ &mpfx_general_query,
+ MFIB_SOURCE_IGMP,
+ &for_us_path,
+ MFIB_ITF_FLAG_FORWARD);
+ mfib_table_entry_path_update (mfib_index,
+ &mpfx_report,
+ MFIB_SOURCE_IGMP,
+ &for_us_path,
+ MFIB_ITF_FLAG_FORWARD);
+ }
+ mfib_table_entry_path_update (mfib_index,
+ &mpfx_general_query,
+ MFIB_SOURCE_IGMP,
+ &via_itf_path, MFIB_ITF_FLAG_ACCEPT);
+ mfib_table_entry_path_update (mfib_index, &mpfx_report,
+ MFIB_SOURCE_IGMP, &via_itf_path,
+ MFIB_ITF_FLAG_ACCEPT);
+ }
+ }
+ else if (config && !enable)
+ {
+ vec_validate (im->n_configs_per_mfib_index, mfib_index);
+ im->n_configs_per_mfib_index[mfib_index]--;
+ if (0 == im->n_configs_per_mfib_index[mfib_index])
+ {
+ /* last config in this FIB */
+ mfib_table_entry_path_remove (mfib_index,
+ &mpfx_general_query,
+ MFIB_SOURCE_IGMP, &for_us_path);
+ mfib_table_entry_path_remove (mfib_index,
+ &mpfx_report,
+ MFIB_SOURCE_IGMP, &for_us_path);
+ }
+
+ mfib_table_entry_path_remove (mfib_index,
+ &mpfx_general_query,
+ MFIB_SOURCE_IGMP, &via_itf_path);
+ mfib_table_entry_path_remove (mfib_index,
+ &mpfx_report,
+ MFIB_SOURCE_IGMP, &via_itf_path);
+ igmp_clear_config (config);
+ im->igmp_config_by_sw_if_index[config->sw_if_index] = ~0;
+ hash_free (config->igmp_group_by_key);
+ pool_put (im->configs, config);
+ }
+
+ return (0);
+}
/** \brief igmp initialization
@param vm - vlib main
{
clib_error_t *error;
igmp_main_t *im = &igmp_main;
- int i;
+
if ((error = vlib_call_init_function (vm, ip4_lookup_init)))
return error;
- im->igmp_config_by_sw_if_index = hash_create (0, sizeof (u32));
- im->igmp_api_client_by_client_index = hash_create (0, sizeof (u32));
- ip4_register_protocol (IP_PROTOCOL_IGMP, igmp_input_node.index);
- igmp_type_info_t *ti;
- igmp_report_type_info_t *rti;
-#define igmp_type(n,s) \
-do { \
- vec_add2 (im->type_infos, ti, 1); \
- ti->type = n; \
- ti->name = (u8 *) #s; \
-} while (0);
-#define igmp_report_type(n,s) \
-do { \
- vec_add2 (im->report_type_infos, rti, 1); \
- rti->type = n; \
- rti->name = (u8 *) #s; \
-} while (0);
-#include "igmp.def"
-#undef igmp_type
-#undef igmp_report_type
- for (i = 0; i < vec_len (im->type_infos); i++)
- {
- ti = im->type_infos + i;
- hash_set (im->type_info_by_type, ti->type, i);
- }
-
- for (i = 0; i < vec_len (im->report_type_infos); i++)
- {
- rti = im->report_type_infos + i;
- hash_set (im->report_type_info_by_report_type, rti->type, i);
- }
- /* General Query address */
- ip46_address_t addr0 = {
- .as_u64[0] = 0,
- .as_u64[1] = 0
- };
- addr0.ip4.as_u32 = clib_host_to_net_u32 (IGMP_GENERAL_QUERY_ADDRESS);
-
- /* Report address */
- ip46_address_t addr1 = {
- .as_u64[0] = 0,
- .as_u64[1] = 0
- };
- addr1.ip4.as_u32 = clib_host_to_net_u32 (IGMP_MEMBERSHIP_REPORT_ADDRESS);
-
- fib_route_path_t path = {
- .frp_proto = fib_proto_to_dpo (FIB_PROTOCOL_IP4),
- .frp_addr = zero_addr,
- .frp_sw_if_index = 0xffffffff,
- .frp_fib_index = 0,
- .frp_weight = 0,
- .frp_flags = FIB_ROUTE_PATH_LOCAL,
- };
+ im->igmp_api_client_by_client_index = hash_create (0, sizeof (u32));
- const mfib_prefix_t mpfx0 = {
- .fp_proto = FIB_PROTOCOL_IP4,
- .fp_len = 32,
- .fp_grp_addr = addr0,
- };
+ im->logger = vlib_log_register_class ("igmp", 0);
- const mfib_prefix_t mpfx1 = {
- .fp_proto = FIB_PROTOCOL_IP4,
- .fp_len = 32,
- .fp_grp_addr = addr1,
- };
+ IGMP_DBG ("initialized");
- /* configure MFIB to accept IGMPv3 general query
- * and reports from all interfaces
- */
- mfib_table_entry_path_update (0, &mpfx0,
- MFIB_SOURCE_DEFAULT_ROUTE, &path,
- MFIB_ITF_FLAG_FORWARD);
- mfib_table_entry_path_update (0, &mpfx1,
- MFIB_SOURCE_DEFAULT_ROUTE, &path,
- MFIB_ITF_FLAG_FORWARD);
- mfib_table_entry_update (0, &mpfx0, MFIB_SOURCE_DEFAULT_ROUTE,
- 0, MFIB_ENTRY_FLAG_ACCEPT_ALL_ITF);
- mfib_table_entry_update (0, &mpfx1, MFIB_SOURCE_DEFAULT_ROUTE,
- 0, MFIB_ENTRY_FLAG_ACCEPT_ALL_ITF);
return (error);
}
VLIB_INIT_FUNCTION (igmp_init);
/* *INDENT-OFF* */
VLIB_PLUGIN_REGISTER () = {
- .version = VPP_BUILD_VER,
- .description = "IGMP messaging",
+ .version = VPP_BUILD_VER,
+ .description = "IGMP messaging",
};
/* *INDENT-ON* */
Code Review / vpp.git / blobdiff