/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2001-2018
+ * Copyright(c) 2001-2020 Intel Corporation
*/
#include "i40e_adminq.h"
/**
* i40e_init_dcb
* @hw: pointer to the hw struct
+ * @enable_mib_change: enable mib change event
*
* Update DCB configuration from the Firmware
**/
-enum i40e_status_code i40e_init_dcb(struct i40e_hw *hw)
+enum i40e_status_code i40e_init_dcb(struct i40e_hw *hw, bool enable_mib_change)
{
enum i40e_status_code ret = I40E_SUCCESS;
struct i40e_lldp_variables lldp_cfg;
u8 adminstatus = 0;
if (!hw->func_caps.dcb)
- return ret;
+ return I40E_NOT_SUPPORTED;
/* Read LLDP NVM area */
- ret = i40e_read_lldp_cfg(hw, &lldp_cfg);
+ if (hw->flags & I40E_HW_FLAG_FW_LLDP_PERSISTENT) {
+ u8 offset = 0;
+
+ if (hw->mac.type == I40E_MAC_XL710)
+ offset = I40E_LLDP_CURRENT_STATUS_XL710_OFFSET;
+ else if (hw->mac.type == I40E_MAC_X722)
+ offset = I40E_LLDP_CURRENT_STATUS_X722_OFFSET;
+ else
+ return I40E_NOT_SUPPORTED;
+
+ ret = i40e_read_nvm_module_data(hw,
+ I40E_SR_EMP_SR_SETTINGS_PTR,
+ offset,
+ I40E_LLDP_CURRENT_STATUS_OFFSET,
+ I40E_LLDP_CURRENT_STATUS_SIZE,
+ &lldp_cfg.adminstatus);
+ } else {
+ ret = i40e_read_lldp_cfg(hw, &lldp_cfg);
+ }
if (ret)
- return ret;
+ return I40E_ERR_NOT_READY;
/* Get the LLDP AdminStatus for the current port */
adminstatus = lldp_cfg.adminstatus >> (hw->port * 4);
/* LLDP agent disabled */
if (!adminstatus) {
hw->dcbx_status = I40E_DCBX_STATUS_DISABLED;
- return ret;
+ return I40E_ERR_NOT_READY;
}
/* Get DCBX status */
return ret;
/* Check the DCBX Status */
- switch (hw->dcbx_status) {
- case I40E_DCBX_STATUS_DONE:
- case I40E_DCBX_STATUS_IN_PROGRESS:
+ if (hw->dcbx_status == I40E_DCBX_STATUS_DONE ||
+ hw->dcbx_status == I40E_DCBX_STATUS_IN_PROGRESS) {
/* Get current DCBX configuration */
ret = i40e_get_dcb_config(hw);
if (ret)
return ret;
- break;
- case I40E_DCBX_STATUS_DISABLED:
- return ret;
- case I40E_DCBX_STATUS_NOT_STARTED:
- case I40E_DCBX_STATUS_MULTIPLE_PEERS:
- default:
- break;
+ } else if (hw->dcbx_status == I40E_DCBX_STATUS_DISABLED) {
+ return I40E_ERR_NOT_READY;
}
/* Configure the LLDP MIB change event */
- ret = i40e_aq_cfg_lldp_mib_change_event(hw, true, NULL);
+ if (enable_mib_change)
+ ret = i40e_aq_cfg_lldp_mib_change_event(hw, true, NULL);
+
+ return ret;
+}
+
+/**
+ * i40e_get_fw_lldp_status
+ * @hw: pointer to the hw struct
+ * @lldp_status: pointer to the status enum
+ *
+ * Get status of FW Link Layer Discovery Protocol (LLDP) Agent.
+ * Status of agent is reported via @lldp_status parameter.
+ **/
+enum i40e_status_code
+i40e_get_fw_lldp_status(struct i40e_hw *hw,
+ enum i40e_get_fw_lldp_status_resp *lldp_status)
+{
+ enum i40e_status_code ret;
+ struct i40e_virt_mem mem;
+ u8 *lldpmib;
+
+ if (!lldp_status)
+ return I40E_ERR_PARAM;
+
+ /* Allocate buffer for the LLDPDU */
+ ret = i40e_allocate_virt_mem(hw, &mem, I40E_LLDPDU_SIZE);
if (ret)
return ret;
+ lldpmib = (u8 *)mem.va;
+ ret = i40e_aq_get_lldp_mib(hw, 0, 0, (void *)lldpmib,
+ I40E_LLDPDU_SIZE, NULL, NULL, NULL);
+
+ if (ret == I40E_SUCCESS) {
+ *lldp_status = I40E_GET_FW_LLDP_STATUS_ENABLED;
+ } else if (hw->aq.asq_last_status == I40E_AQ_RC_ENOENT) {
+ /* MIB is not available yet but the agent is running */
+ *lldp_status = I40E_GET_FW_LLDP_STATUS_ENABLED;
+ ret = I40E_SUCCESS;
+ } else if (hw->aq.asq_last_status == I40E_AQ_RC_EPERM) {
+ *lldp_status = I40E_GET_FW_LLDP_STATUS_DISABLED;
+ ret = I40E_SUCCESS;
+ }
+
+ i40e_free_virt_mem(hw, &mem);
return ret;
}
/**
* i40e_dcb_config_to_lldp - Convert Dcbconfig to MIB format
- * @hw: pointer to the hw struct
+ * @lldpmib: pointer to mib to be output
+ * @miblen: pointer to u16 for length of lldpmib
* @dcbcfg: store for LLDPDU data
*
* send DCB configuration to FW