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// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2019, Intel Corporation. */
#include "ice_dcb_lib.h"
/**
* ice_init_pf_dcb - initialize DCB for a PF
* @pf: pf to initiialize DCB for
*/
int ice_init_pf_dcb(struct ice_pf *pf)
{
struct device *dev = &pf->pdev->dev;
struct ice_port_info *port_info;
struct ice_hw *hw = &pf->hw;
port_info = hw->port_info;
/* check if device is DCB capable */
if (!hw->func_caps.common_cap.dcb) {
dev_dbg(dev, "DCB not supported\n");
return -EOPNOTSUPP;
}
/* Best effort to put DCBx and LLDP into a good state */
port_info->dcbx_status = ice_get_dcbx_status(hw);
if (port_info->dcbx_status != ICE_DCBX_STATUS_DONE &&
port_info->dcbx_status != ICE_DCBX_STATUS_IN_PROGRESS) {
bool dcbx_status;
/* Attempt to start LLDP engine. Ignore errors
* as this will error if it is already started
*/
ice_aq_start_lldp(hw, NULL);
/* Attempt to start DCBX. Ignore errors as this
* will error if it is already started
*/
ice_aq_start_stop_dcbx(hw, true, &dcbx_status, NULL);
}
return 0;
}
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