/* * 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. */ #define _GNU_SOURCE #include <vnet/bonding/node.h> #include <lacp/node.h> /* * LACP State = TRANSMIT */ static lacp_fsm_state_t lacp_tx_state_transmit[] = { {LACP_ACTION_TRANSMIT, LACP_TX_STATE_TRANSMIT}, // event 0 BEGIN {LACP_ACTION_TRANSMIT, LACP_TX_STATE_TRANSMIT}, // event 1 NTT }; static lacp_fsm_machine_t lacp_tx_fsm_table[] = { {lacp_tx_state_transmit}, }; lacp_machine_t lacp_tx_machine = { lacp_tx_fsm_table, lacp_tx_debug_func, }; int lacp_tx_action_transmit (void *p1, void *p2) { vlib_main_t *vm = p1; member_if_t *mif = p2; f64 now = vlib_time_now (vm); if (!lacp_timer_is_running (mif->periodic_timer)) return 0; // No more than 3 LACPDUs per fast interval if (now <= (mif->last_lacpdu_sent_time + 0.333)) return 0; if (mif->ntt) { lacp_send_lacp_pdu (vm, mif); lacp_schedule_periodic_timer (vm, mif); } mif->ntt = 0; return 0; } static u8 * format_tx_event (u8 * s, va_list * args) { static lacp_event_struct lacp_tx_event_array[] = { #define _(b, s, n) {.bit = b, .str = #s, }, foreach_lacp_tx_event #undef _ {.str = NULL} }; int e = va_arg (*args, int); lacp_event_struct *event_entry = lacp_tx_event_array; if (e >= (sizeof (lacp_tx_event_array) / sizeof (*event_entry))) s = format (s, "Bad event %d", e); else s = format (s, "%s", event_entry[e].str); return s; } void lacp_tx_debug_func (member_if_t * mif, int event, int state, lacp_fsm_state_t * transition) { vlib_worker_thread_t *w = vlib_worker_threads + os_get_thread_index (); /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { .format = "%s", .format_args = "T4", }; /* *INDENT-ON* */ struct { u32 event; } *ed = 0; ed = ELOG_TRACK_DATA (&vlib_global_main.elog_main, e, w->elog_track); ed->event = elog_string (&vlib_global_main.elog_main, "%U-TX: %U, %U->%U%c", format_vnet_sw_if_index_name, vnet_get_main (), mif->sw_if_index, format_tx_event, event, format_tx_sm_state, state, format_tx_sm_state, transition->next_state, 0); } void lacp_init_tx_machine (vlib_main_t * vm, member_if_t * mif) { lacp_machine_dispatch (&lacp_tx_machine, vm, mif, LACP_TX_EVENT_BEGIN, &mif->tx_state); } /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */