[dpdk-dev] [PATCH v2 34/66] net/ice/base: implement LLDP persistent settings

[Leyi Rong <leyi.rong@intel.com>]

This patch implements persistent, across reboots, start and stop
of LLDP agent. Added additional function parameter to
ice_aq_start_lldp and ice_aq_stop_lldp.

Signed-off-by: Jaroslaw Ilgiewicz <jaroslaw.ilgiewicz@intel.com>
Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Signed-off-by: Leyi Rong <leyi.rong@intel.com>
---
 drivers/net/ice/base/ice_dcb.c | 33 ++++++++++++++++++++++-----------
 drivers/net/ice/base/ice_dcb.h |  9 ++++-----
 drivers/net/ice/ice_ethdev.c   |  2 +-
 3 files changed, 27 insertions(+), 17 deletions(-)

diff --git a/drivers/net/ice/base/ice_dcb.c b/drivers/net/ice/base/ice_dcb.c
index 100c4bb0f..008c7a110 100644
--- a/drivers/net/ice/base/ice_dcb.c
+++ b/drivers/net/ice/base/ice_dcb.c
@@ -83,12 +83,14 @@ ice_aq_cfg_lldp_mib_change(struct ice_hw *hw, bool ena_update,
  * @hw: pointer to the HW struct
  * @shutdown_lldp_agent: True if LLDP Agent needs to be Shutdown
  *			 False if LLDP Agent needs to be Stopped
+ * @persist: True if Stop/Shutdown of LLDP Agent needs to be persistent across
+ *	     reboots
  * @cd: pointer to command details structure or NULL
  *
  * Stop or Shutdown the embedded LLDP Agent (0x0A05)
  */
 enum ice_status
-ice_aq_stop_lldp(struct ice_hw *hw, bool shutdown_lldp_agent,
+ice_aq_stop_lldp(struct ice_hw *hw, bool shutdown_lldp_agent, bool persist,
 		 struct ice_sq_cd *cd)
 {
 	struct ice_aqc_lldp_stop *cmd;
@@ -101,17 +103,22 @@ ice_aq_stop_lldp(struct ice_hw *hw, bool shutdown_lldp_agent,
 	if (shutdown_lldp_agent)
 		cmd->command |= ICE_AQ_LLDP_AGENT_SHUTDOWN;
 
+	if (persist)
+		cmd->command |= ICE_AQ_LLDP_AGENT_PERSIST_DIS;
+
 	return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
 }
 
 /**
  * ice_aq_start_lldp
  * @hw: pointer to the HW struct
+ * @persist: True if Start of LLDP Agent needs to be persistent across reboots
  * @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)
+enum ice_status
+ice_aq_start_lldp(struct ice_hw *hw, bool persist, struct ice_sq_cd *cd)
 {
 	struct ice_aqc_lldp_start *cmd;
 	struct ice_aq_desc desc;
@@ -122,6 +129,9 @@ enum ice_status ice_aq_start_lldp(struct ice_hw *hw, struct ice_sq_cd *cd)
 
 	cmd->command = ICE_AQ_LLDP_AGENT_START;
 
+	if (persist)
+		cmd->command |= ICE_AQ_LLDP_AGENT_PERSIST_ENA;
+
 	return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
 }
 
@@ -615,7 +625,8 @@ ice_parse_org_tlv(struct ice_lldp_org_tlv *tlv, struct ice_dcbx_cfg *dcbcfg)
  *
  * Parse DCB configuration from the LLDPDU
  */
-enum ice_status ice_lldp_to_dcb_cfg(u8 *lldpmib, struct ice_dcbx_cfg *dcbcfg)
+enum ice_status
+ice_lldp_to_dcb_cfg(u8 *lldpmib, struct ice_dcbx_cfg *dcbcfg)
 {
 	struct ice_lldp_org_tlv *tlv;
 	enum ice_status ret = ICE_SUCCESS;
@@ -659,7 +670,7 @@ enum ice_status ice_lldp_to_dcb_cfg(u8 *lldpmib, struct ice_dcbx_cfg *dcbcfg)
 /**
  * ice_aq_get_dcb_cfg
  * @hw: pointer to the HW struct
- * @mib_type: mib type for the query
+ * @mib_type: MIB type for the query
  * @bridgetype: bridge type for the query (remote)
  * @dcbcfg: store for LLDPDU data
  *
@@ -690,13 +701,13 @@ ice_aq_get_dcb_cfg(struct ice_hw *hw, u8 mib_type, u8 bridgetype,
 }
 
 /**
- * ice_aq_start_stop_dcbx - Start/Stop DCBx service in FW
+ * 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
+ * @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
@@ -1236,7 +1247,7 @@ ice_add_dcb_tlv(struct ice_lldp_org_tlv *tlv, struct ice_dcbx_cfg *dcbcfg,
 /**
  * ice_dcb_cfg_to_lldp - Convert DCB configuration to MIB format
  * @lldpmib: pointer to the HW struct
- * @miblen: length of LLDP mib
+ * @miblen: length of LLDP MIB
  * @dcbcfg: Local store which holds the DCB Config
  *
  * Convert the DCB configuration to MIB format
diff --git a/drivers/net/ice/base/ice_dcb.h b/drivers/net/ice/base/ice_dcb.h
index 65d2bafef..47127096b 100644
--- a/drivers/net/ice/base/ice_dcb.h
+++ b/drivers/net/ice/base/ice_dcb.h
@@ -114,7 +114,6 @@ struct ice_lldp_org_tlv {
 	__be32 ouisubtype;
 	u8 tlvinfo[1];
 };
-
 #pragma pack()
 
 struct ice_cee_tlv_hdr {
@@ -147,7 +146,6 @@ struct ice_cee_app_prio {
 	__be16 lower_oui;
 	u8 prio_map;
 };
-
 #pragma pack()
 
 /* TODO: The below structures related LLDP/DCBX variables
@@ -190,8 +188,8 @@ enum ice_status
 ice_aq_get_cee_dcb_cfg(struct ice_hw *hw,
 		       struct ice_aqc_get_cee_dcb_cfg_resp *buff,
 		       struct ice_sq_cd *cd);
-u8 ice_get_dcbx_status(struct ice_hw *hw);
 enum ice_status ice_lldp_to_dcb_cfg(u8 *lldpmib, struct ice_dcbx_cfg *dcbcfg);
+u8 ice_get_dcbx_status(struct ice_hw *hw);
 enum ice_status
 ice_aq_get_dcb_cfg(struct ice_hw *hw, u8 mib_type, u8 bridgetype,
 		   struct ice_dcbx_cfg *dcbcfg);
@@ -211,9 +209,10 @@ enum ice_status
 ice_update_port_tc_tree_cfg(struct ice_port_info *pi,
 			    struct ice_aqc_port_ets_elem *buf);
 enum ice_status
-ice_aq_stop_lldp(struct ice_hw *hw, bool shutdown_lldp_agent,
+ice_aq_stop_lldp(struct ice_hw *hw, bool shutdown_lldp_agent, bool persist,
 		 struct ice_sq_cd *cd);
-enum ice_status ice_aq_start_lldp(struct ice_hw *hw, struct ice_sq_cd *cd);
+enum ice_status
+ice_aq_start_lldp(struct ice_hw *hw, bool persist, struct ice_sq_cd *cd);
 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);
diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c
index 962d506a1..b14bc7102 100644
--- a/drivers/net/ice/ice_ethdev.c
+++ b/drivers/net/ice/ice_ethdev.c
@@ -1447,7 +1447,7 @@ ice_dev_init(struct rte_eth_dev *dev)
 	/* Disable double vlan by default */
 	ice_vsi_config_double_vlan(vsi, FALSE);
 
-	ret = ice_aq_stop_lldp(hw, TRUE, NULL);
+	ret = ice_aq_stop_lldp(hw, TRUE, FALSE, NULL);
 	if (ret != ICE_SUCCESS)
 		PMD_INIT_LOG(DEBUG, "lldp has already stopped\n");
 
-- 
2.17.1