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[mellanox]: Enhance pmon synchronization with hw-mgmt platform counters. (#3885)

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Signed-off-by: Nazarii Hnydyn <nazariig@mellanox.com>
This commit is contained in:
Nazarii Hnydyn 2019-12-17 20:58:55 +02:00 committed by Joe LeVeque
parent 7ae371287f
commit 51b78b5c33
1 changed files with 39 additions and 10 deletions
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49
device/mellanox/x86_64-mlnx_msn2700-r0/platform_wait
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@ -1,12 +1,37 @@
#!/bin/bash
declare -r SYSLOG_LOGGER="/usr/bin/logger"
declare -r SYSLOG_IDENTIFIER="platform_wait"
declare -r SYSLOG_ERROR="error"
declare -r SYSLOG_NOTICE="notice"
declare -r SYSLOG_INFO="info"
declare -r HW_MGMT_CONFIG="/var/run/hw-management/config"
declare -r MODULE_COUNTER="${HW_MGMT_CONFIG}/module_counter"
declare -r SFP_COUNTER="${HW_MGMT_CONFIG}/sfp_counter"
declare -r EXIT_SUCCESS="0"
declare -r EXIT_TIMEOUT="1"
declare -r QSFP_PATH="/var/run/hw-management/qsfp"
function log_error() {
eval "${SYSLOG_LOGGER} -t ${SYSLOG_IDENTIFIER} -p ${SYSLOG_ERROR} $@"
}
function WaitForQsfpReady() {
local -r _QSFP_PATH="${1}"
function log_notice() {
eval "${SYSLOG_LOGGER} -t ${SYSLOG_IDENTIFIER} -p ${SYSLOG_NOTICE} $@"
}
function log_info() {
eval "${SYSLOG_LOGGER} -t ${SYSLOG_IDENTIFIER} -p ${SYSLOG_INFO} $@"
}
function wait_for_sfp() {
local -r _NUM_MATCH="^[0-9]+$"
local -r _NUM_ZERO="0"
local _MODULE_CNT="0"
local _SFP_CNT="0"
local -i _WDOG_CNT="1"
local -ir _WDOG_MAX="300"
@ -14,11 +39,14 @@ function WaitForQsfpReady() {
local -r _TIMEOUT="1s"
while [[ "${_WDOG_CNT}" -le "${_WDOG_MAX}" ]]; do
for _QSFP in ${_QSFP_PATH}/qsfp*; do
if [[ -e "${_QSFP}" ]]; then
_MODULE_CNT="$(cat ${MODULE_COUNTER} 2>&1)"
_SFP_CNT="$(cat ${SFP_COUNTER} 2>&1)"
if [[ "${_MODULE_CNT}" =~ ${_NUM_MATCH} && "${_SFP_CNT}" =~ ${_NUM_MATCH} ]]; then
if [[ "${_SFP_CNT}" -gt "${_NUM_ZERO}" && "${_MODULE_CNT}" -eq "${_SFP_CNT}" ]]; then
return "${EXIT_SUCCESS}"
fi
done
fi
let "_WDOG_CNT++"
sleep "${_TIMEOUT}"
@ -27,14 +55,15 @@ function WaitForQsfpReady() {
return "${EXIT_TIMEOUT}"
}
echo "Wait for QSFP I2C interface is ready"
log_info "Wait for SFP interfaces to be ready"
WaitForQsfpReady "${QSFP_PATH}"
wait_for_sfp
EXIT_CODE="$?"
if [[ "${EXIT_CODE}" != "${EXIT_SUCCESS}" ]]; then
echo "QSFP I2C interface is not ready: timeout"
log_error "SFP interfaces are not ready: timeout"
exit "${EXIT_CODE}"
fi
echo "QSFP I2C interface is ready: mlxsw_minimal has finished initialization"
log_info "SFP interfaces are ready"
exit "${EXIT_SUCCESS}"