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