forked from Minki/linux
86 lines
2.2 KiB
C
86 lines
2.2 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/* Copyright (c) 2019, Intel Corporation. */
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#include "ice_common.h"
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#include "ice_sched.h"
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#include "ice_dcb.h"
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/**
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* ice_aq_start_lldp
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* @hw: pointer to the HW struct
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* @cd: pointer to command details structure or NULL
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*
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* Start the embedded LLDP Agent on all ports. (0x0A06)
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*/
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enum ice_status ice_aq_start_lldp(struct ice_hw *hw, struct ice_sq_cd *cd)
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{
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struct ice_aqc_lldp_start *cmd;
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struct ice_aq_desc desc;
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cmd = &desc.params.lldp_start;
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ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_start);
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cmd->command = ICE_AQ_LLDP_AGENT_START;
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return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
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}
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/**
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* ice_get_dcbx_status
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* @hw: pointer to the HW struct
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*
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* Get the DCBX status from the Firmware
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*/
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u8 ice_get_dcbx_status(struct ice_hw *hw)
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{
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u32 reg;
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reg = rd32(hw, PRTDCB_GENS);
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return (u8)((reg & PRTDCB_GENS_DCBX_STATUS_M) >>
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PRTDCB_GENS_DCBX_STATUS_S);
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}
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/**
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* ice_aq_start_stop_dcbx - Start/Stop DCBx service in FW
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* @hw: pointer to the HW struct
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* @start_dcbx_agent: True if DCBx Agent needs to be started
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* False if DCBx Agent needs to be stopped
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* @dcbx_agent_status: FW indicates back the DCBx agent status
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* True if DCBx Agent is active
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* False if DCBx Agent is stopped
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* @cd: pointer to command details structure or NULL
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*
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* Start/Stop the embedded dcbx Agent. In case that this wrapper function
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* returns ICE_SUCCESS, caller will need to check if FW returns back the same
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* value as stated in dcbx_agent_status, and react accordingly. (0x0A09)
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*/
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enum ice_status
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ice_aq_start_stop_dcbx(struct ice_hw *hw, bool start_dcbx_agent,
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bool *dcbx_agent_status, struct ice_sq_cd *cd)
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{
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struct ice_aqc_lldp_stop_start_specific_agent *cmd;
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enum ice_status status;
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struct ice_aq_desc desc;
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u16 opcode;
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cmd = &desc.params.lldp_agent_ctrl;
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opcode = ice_aqc_opc_lldp_stop_start_specific_agent;
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ice_fill_dflt_direct_cmd_desc(&desc, opcode);
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if (start_dcbx_agent)
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cmd->command = ICE_AQC_START_STOP_AGENT_START_DCBX;
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status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
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*dcbx_agent_status = false;
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if (!status &&
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cmd->command == ICE_AQC_START_STOP_AGENT_START_DCBX)
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*dcbx_agent_status = true;
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return status;
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}
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