X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fi40e%2Fbase%2Fi40e_dcb.c;h=a07c61e673857afc4396169641b97d082930ac22;hb=a001f09d11fac91b760c038cf69af7b041bc983c;hp=7cc8c83dc00b7ba35eba0bc85f524919ba40c8c8;hpb=f4ed5a4a7cce958856a2c0a491c480d12f5711d5;p=dpdk.git

diff --git a/drivers/net/i40e/base/i40e_dcb.c b/drivers/net/i40e/base/i40e_dcb.c
index 7cc8c83dc0..a07c61e673 100644
--- a/drivers/net/i40e/base/i40e_dcb.c
+++ b/drivers/net/i40e/base/i40e_dcb.c
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2001-2018
+ * Copyright(c) 2001-2020 Intel Corporation
  */
 
 #include "i40e_adminq.h"
@@ -877,7 +877,25 @@ enum i40e_status_code i40e_init_dcb(struct i40e_hw *hw, bool enable_mib_change)
 		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 I40E_ERR_NOT_READY;
 
@@ -914,6 +932,49 @@ enum i40e_status_code i40e_init_dcb(struct i40e_hw *hw, bool enable_mib_change)
 	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_add_ieee_ets_tlv - Prepare ETS TLV in IEEE format
  * @tlv: Fill the ETS config data in IEEE format