mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-05-24 10:39:52 +00:00
43 lines
1 KiB
C
43 lines
1 KiB
C
|
// 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;
|
||
|
|
}
|