0ebd3ff13c
This patch introduces a new top level function ice_init_dcb (and related lower level helper functions) which continues the DCB init flow. This function uses ice_get_dcb_cfg to get, parse and store the DCB configuration. Once this is done, it sets itself up to be notified by the firmware on LLDP MIB change events. Reviewed-by: Bruce Allan <bruce.w.allan@intel.com> Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/* Copyright (c) 2019, Intel Corporation. */
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#include "ice_dcb_lib.h"
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/**
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* ice_init_pf_dcb - initialize DCB for a PF
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* @pf: pf to initiialize DCB for
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*/
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int ice_init_pf_dcb(struct ice_pf *pf)
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{
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struct device *dev = &pf->pdev->dev;
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struct ice_port_info *port_info;
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struct ice_hw *hw = &pf->hw;
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port_info = hw->port_info;
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/* check if device is DCB capable */
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if (!hw->func_caps.common_cap.dcb) {
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dev_dbg(dev, "DCB not supported\n");
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return -EOPNOTSUPP;
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}
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/* Best effort to put DCBx and LLDP into a good state */
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port_info->dcbx_status = ice_get_dcbx_status(hw);
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if (port_info->dcbx_status != ICE_DCBX_STATUS_DONE &&
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port_info->dcbx_status != ICE_DCBX_STATUS_IN_PROGRESS) {
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bool dcbx_status;
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/* Attempt to start LLDP engine. Ignore errors
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* as this will error if it is already started
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*/
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ice_aq_start_lldp(hw, NULL);
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/* Attempt to start DCBX. Ignore errors as this
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* will error if it is already started
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*/
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ice_aq_start_stop_dcbx(hw, true, &dcbx_status, NULL);
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}
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return ice_init_dcb(hw);
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}
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