c3148b1be8
Type: refactor Change-Id: I5235bf3e9aff58af6ba2c14e8c6529c4fc9ec86c Signed-off-by: Damjan Marion <damarion@cisco.com>
119 lines
2.9 KiB
C
119 lines
2.9 KiB
C
/*
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* Copyright (c) 2017 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define _GNU_SOURCE
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#include <vnet/bonding/node.h>
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#include <lacp/node.h>
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/*
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* LACP State = TRANSMIT
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*/
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static lacp_fsm_state_t lacp_tx_state_transmit[] = {
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{LACP_ACTION_TRANSMIT, LACP_TX_STATE_TRANSMIT}, // event 0 BEGIN
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{LACP_ACTION_TRANSMIT, LACP_TX_STATE_TRANSMIT}, // event 1 NTT
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};
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static lacp_fsm_machine_t lacp_tx_fsm_table[] = {
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{lacp_tx_state_transmit},
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};
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lacp_machine_t lacp_tx_machine = {
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lacp_tx_fsm_table,
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lacp_tx_debug_func,
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};
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int
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lacp_tx_action_transmit (void *p1, void *p2)
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{
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vlib_main_t *vm = p1;
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member_if_t *mif = p2;
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f64 now = vlib_time_now (vm);
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if (!lacp_timer_is_running (mif->periodic_timer))
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return 0;
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// No more than 3 LACPDUs per fast interval
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if (now <= (mif->last_lacpdu_sent_time + 0.333))
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return 0;
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if (mif->ntt)
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{
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lacp_send_lacp_pdu (vm, mif);
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lacp_schedule_periodic_timer (vm, mif);
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}
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mif->ntt = 0;
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return 0;
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}
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static u8 *
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format_tx_event (u8 * s, va_list * args)
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{
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static lacp_event_struct lacp_tx_event_array[] = {
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#define _(b, s, n) {.bit = b, .str = #s, },
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foreach_lacp_tx_event
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#undef _
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{.str = NULL}
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};
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int e = va_arg (*args, int);
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lacp_event_struct *event_entry = lacp_tx_event_array;
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if (e >= (sizeof (lacp_tx_event_array) / sizeof (*event_entry)))
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s = format (s, "Bad event %d", e);
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else
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s = format (s, "%s", event_entry[e].str);
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return s;
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}
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void
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lacp_tx_debug_func (member_if_t * mif, int event, int state,
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lacp_fsm_state_t * transition)
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{
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vlib_worker_thread_t *w = vlib_worker_threads + os_get_thread_index ();
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ELOG_TYPE_DECLARE (e) =
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{
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.format = "%s",
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.format_args = "T4",
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};
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struct
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{
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u32 event;
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} *ed = 0;
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ed = ELOG_TRACK_DATA (&vlib_global_main.elog_main, e, w->elog_track);
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ed->event = elog_string (&vlib_global_main.elog_main, "%U-TX: %U, %U->%U%c",
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format_vnet_sw_if_index_name, vnet_get_main (),
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mif->sw_if_index, format_tx_event, event,
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format_tx_sm_state, state, format_tx_sm_state,
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transition->next_state, 0);
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}
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void
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lacp_init_tx_machine (vlib_main_t * vm, member_if_t * mif)
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{
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lacp_machine_dispatch (&lacp_tx_machine, vm, mif, LACP_TX_EVENT_BEGIN,
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&mif->tx_state);
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}
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
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