/* * 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. */ #ifndef ___LACP_PTX_MACHINE_H__ #define ___LACP_PTX_MACHINE_H__ #include <stdint.h> #include <lacp/machine.h> #define foreach_lacp_ptx_event \ _(0, NO_PERIODIC, "no periodic") \ _(1, LONG_TIMEOUT, "long tiemout") \ _(2, TIMER_EXPIRED, "timer expired") \ _(3, SHORT_TIMEOUT, "short timeout") typedef enum { #define _(a, b, c) LACP_PTX_EVENT_##b = (a), foreach_lacp_ptx_event #undef _ } lacp_ptx_event_t; #define foreach_lacp_ptx_sm_state \ _(0, NO_PERIODIC, "no periodic") \ _(1, FAST_PERIODIC, "fast periodic") \ _(2, SLOW_PERIODIC, "slow periodic") \ _(3, PERIODIC_TX, "periodic transmission") typedef enum { #define _(a, b, c) LACP_PTX_STATE_##b = (a), foreach_lacp_ptx_sm_state #undef _ } lacp_ptx_sm_state_t; extern lacp_machine_t lacp_ptx_machine; int lacp_ptx_action_no_periodic (void *p1, void *p2); int lacp_ptx_action_slow_periodic (void *p1, void *p2); int lacp_ptx_action_fast_periodic (void *p1, void *p2); int lacp_ptx_action_timer_expired (void *p1, void *p2); void lacp_ptx_debug_func (member_if_t * mif, int event, int state, lacp_fsm_state_t * transition); #define LACP_ACTION_NO_PERIODIC \ LACP_ACTION_ROUTINE(lacp_ptx_action_no_periodic) #define LACP_ACTION_SLOW_PERIODIC \ LACP_ACTION_ROUTINE(lacp_ptx_action_slow_periodic) #define LACP_ACTION_FAST_PERIODIC \ LACP_ACTION_ROUTINE(lacp_ptx_action_fast_periodic) #define LACP_ACTION_TIMER_EXPIRED \ LACP_ACTION_ROUTINE(lacp_ptx_action_timer_expired) static inline void lacp_start_periodic_timer (vlib_main_t * vm, member_if_t * mif, u8 expiration) { mif->periodic_timer = vlib_time_now (vm) + expiration; } static inline void lacp_schedule_periodic_timer (vlib_main_t * vm, member_if_t * mif) { // do fast rate if partner is in short timeout or // we are not yet synchronized if ((mif->partner.state & LACP_STATE_LACP_TIMEOUT) || (((mif->actor.state & (LACP_STATE_SYNCHRONIZATION | LACP_STATE_COLLECTING | LACP_STATE_DISTRIBUTING)) != (LACP_STATE_SYNCHRONIZATION | LACP_STATE_COLLECTING | LACP_STATE_DISTRIBUTING)) && (mif->partner.state & LACP_STATE_AGGREGATION))) lacp_start_periodic_timer (vm, mif, LACP_FAST_PERIODIC_TIMER); else lacp_start_periodic_timer (vm, mif, LACP_SLOW_PERIODIC_TIMER); } static inline void lacp_ptx_post_short_timeout_event (vlib_main_t * vm, member_if_t * mif) { if (mif->lacp_enabled && mif->port_enabled && ((mif->partner.state & LACP_STATE_LACP_ACTIVITY) || (mif->actor.state & LACP_STATE_LACP_ACTIVITY))) lacp_machine_dispatch (&lacp_ptx_machine, vm, mif, LACP_PTX_EVENT_SHORT_TIMEOUT, &mif->ptx_state); } #endif /* __LACP_PTX_MACHINE_H__ */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */