void BcmPort::init(bool warmBoot) {
bool up = false;
if (warmBoot) {
// Get port status from HW on warm boot.
// All ports are initially down on a cold boot.
int linkStatus;
opennsl_port_link_status_get(unit_, port_, &linkStatus);
up = (linkStatus == OPENNSL_PORT_LINK_STATUS_UP);
} else {
// In open source code, we don't have any guarantees for the
// state of the port at startup. Bringing them down guarantees
// that things are in a known state.
//
// We should only be doing this on cold boot, since warm booting
// should be initializing the state for us.
auto rv = opennsl_port_enable_set(unit_, port_, false);
bcmCheckError(rv, "failed to set port to known state: ", port_);
}
// Notify platform port of initial state/speed
getPlatformPort()->linkSpeedChanged(getSpeed());
getPlatformPort()->linkStatusChanged(up, isEnabled());
enableLinkscan();
}
void BcmPort::init(bool warmBoot) {
bool up = false;
if (warmBoot) {
// Get port status from HW on warm boot.
// All ports are initially down on a cold boot.
int linkStatus;
opennsl_port_link_status_get(unit_, port_, &linkStatus);
up = (linkStatus == OPENNSL_PORT_LINK_STATUS_UP);
} else {
// In open source code, we don't have any guarantees for the
// state of the port at startup. Bringing them down guarantees
// that things are in a known state.
//
// We should only be doing this on cold boot, since warm booting
// should be initializing the state for us.
auto rv = opennsl_port_enable_set(unit_, port_, false);
bcmCheckError(rv, "failed to set port to known state: ", port_);
}
setPortStatus(up);
// Linkscan should be enabled if the port is enabled already
auto linkscan = isEnabled() ? OPENNSL_LINKSCAN_MODE_SW :
OPENNSL_LINKSCAN_MODE_NONE;
auto rv = opennsl_linkscan_mode_set(unit_, port_, linkscan);
bcmCheckError(rv, "failed to set initial linkscan mode on port ", port_);
}
bool BcmPort::isUp() {
if (!isEnabled()) {
return false;
}
int linkStatus;
auto rv = opennsl_port_link_status_get(hw_->getUnit(), port_, &linkStatus);
bcmCheckError(rv, "could not find if the port ", port_, " is up or down...");
return linkStatus == OPENNSL_PORT_LINK_STATUS_UP;
}
