-#define API_LINK_STATE_EVENT 1
-#define API_ADMIN_UP_DOWN_EVENT 2
-
-static int
-event_data_cmp (void *a1, void *a2)
-{
- uword *e1 = a1;
- uword *e2 = a2;
-
- return (word) e1[0] - (word) e2[0];
-}
-
-static uword
-link_state_process (vlib_main_t * vm,
- vlib_node_runtime_t * rt, vlib_frame_t * f)
-{
- vpe_api_main_t *vam = &vpe_api_main;
- vnet_main_t *vnm = vam->vnet_main;
- vnet_sw_interface_t *swif;
- uword *event_data = 0;
- vpe_client_registration_t *reg;
- int i;
- u32 prev_sw_if_index;
- unix_shared_memory_queue_t *q;
-
- vam->link_state_process_up = 1;
-
- while (1)
- {
- vlib_process_wait_for_event (vm);
-
- /* Unified list of changed link or admin state sw_if_indices */
- vlib_process_get_events_with_type
- (vm, &event_data, API_LINK_STATE_EVENT);
- vlib_process_get_events_with_type
- (vm, &event_data, API_ADMIN_UP_DOWN_EVENT);
-
- /* Sort, so we can eliminate duplicates */
- vec_sort_with_function (event_data, event_data_cmp);
-
- prev_sw_if_index = ~0;
-
- for (i = 0; i < vec_len (event_data); i++)
- {
- /* Only one message per swif */
- if (prev_sw_if_index == event_data[i])
- continue;
- prev_sw_if_index = event_data[i];
-
- /* *INDENT-OFF* */
- pool_foreach(reg, vam->interface_events_registrations,
- ({
- q = vl_api_client_index_to_input_queue (reg->client_index);
- if (q)
- {
- /* sw_interface may be deleted already */
- if (!pool_is_free_index (vnm->interface_main.sw_interfaces,
- event_data[i]))
- {
- swif = vnet_get_sw_interface (vnm, event_data[i]);
- send_sw_interface_flags (vam, q, swif);
- }
- }
- }));
- /* *INDENT-ON* */
- }
- vec_reset_length (event_data);
- }
-
- return 0;
-}
-
-static clib_error_t *link_up_down_function (vnet_main_t * vm, u32 hw_if_index,
- u32 flags);
-static clib_error_t *admin_up_down_function (vnet_main_t * vm,
- u32 hw_if_index, u32 flags);
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (link_state_process_node,static) = {
- .function = link_state_process,
- .type = VLIB_NODE_TYPE_PROCESS,
- .name = "vpe-link-state-process",
-};
-/* *INDENT-ON* */
-
-VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION (admin_up_down_function);
-VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION (link_up_down_function);
-
-static clib_error_t *
-link_up_down_function (vnet_main_t * vm, u32 hw_if_index, u32 flags)
-{
- vpe_api_main_t *vam = &vpe_api_main;
- vnet_hw_interface_t *hi = vnet_get_hw_interface (vm, hw_if_index);
-
- if (vam->link_state_process_up)
- vlib_process_signal_event (vam->vlib_main,
- link_state_process_node.index,
- API_LINK_STATE_EVENT, hi->sw_if_index);
- return 0;
-}
-
-static clib_error_t *
-admin_up_down_function (vnet_main_t * vm, u32 sw_if_index, u32 flags)
-{
- vpe_api_main_t *vam = &vpe_api_main;
-
- /*
- * Note: it's perfectly fair to set a subif admin up / admin down.
- * Note the subtle distinction between this routine and the previous
- * routine.
- */
- if (vam->link_state_process_up)
- vlib_process_signal_event (vam->vlib_main,
- link_state_process_node.index,
- API_ADMIN_UP_DOWN_EVENT, sw_if_index);
- return 0;
-}
-
-#define pub_sub_handler(lca,UCA) \
-static void vl_api_want_##lca##_t_handler ( \
- vl_api_want_##lca##_t *mp) \
-{ \
- vpe_api_main_t *vam = &vpe_api_main; \
- vpe_client_registration_t *rp; \
- vl_api_want_##lca##_reply_t *rmp; \
- uword *p; \
- i32 rv = 0; \
- \
- p = hash_get (vam->lca##_registration_hash, mp->client_index); \
- if (p) { \
- if (mp->enable_disable) { \
- clib_warning ("pid %d: already enabled...", mp->pid); \
- rv = VNET_API_ERROR_INVALID_REGISTRATION; \
- goto reply; \
- } else { \
- rp = pool_elt_at_index (vam->lca##_registrations, p[0]); \
- pool_put (vam->lca##_registrations, rp); \
- hash_unset (vam->lca##_registration_hash, \
- mp->client_index); \
- goto reply; \
- } \
- } \
- if (mp->enable_disable == 0) { \
- clib_warning ("pid %d: already disabled...", mp->pid); \
- rv = VNET_API_ERROR_INVALID_REGISTRATION; \
- goto reply; \
- } \
- pool_get (vam->lca##_registrations, rp); \
- rp->client_index = mp->client_index; \
- rp->client_pid = mp->pid; \
- hash_set (vam->lca##_registration_hash, rp->client_index, \
- rp - vam->lca##_registrations); \
- \
-reply: \
- REPLY_MACRO (VL_API_WANT_##UCA##_REPLY); \
-}
-
-/* *INDENT-OFF* */
-pub_sub_handler (interface_events, INTERFACE_EVENTS)
-pub_sub_handler (oam_events, OAM_EVENTS)
-/* *INDENT-ON* */