netdev - [PATCH v2 net-next 02/10] qed: Correct DCBx update scheme

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Date:   Mon, 29 May 2017 09:53:06 +0300
From:   Yuval Mintz <Yuval.Mintz@...ium.com>
To:     <davem@...emloft.net>, <netdev@...r.kernel.org>
CC:     Sudarsana Reddy Kalluru <Sudarsana.Kalluru@...ium.com>,
        Yuval Mintz <Yuval.Mintz@...ium.com>
Subject: [PATCH v2 net-next 02/10] qed: Correct DCBx update scheme

From: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@...ium.com>

Instead of using a boolean value that propagates to FW configuration,
use the proper firmware HSI values.

Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@...ium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@...ium.com>
---
 drivers/net/ethernet/qlogic/qed/qed_dcbx.c | 17 +++++++++--------
 drivers/net/ethernet/qlogic/qed/qed_dcbx.h |  2 +-
 2 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
index efe309e..64c2e7c 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
@@ -191,17 +191,19 @@ static bool qed_dcbx_roce_v2_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
 qed_dcbx_set_params(struct qed_dcbx_results *p_data,
 		    struct qed_hw_info *p_info,
 		    bool enable,
-		    bool update,
 		    u8 prio,
 		    u8 tc,
 		    enum dcbx_protocol_type type,
 		    enum qed_pci_personality personality)
 {
 	/* PF update ramrod data */
-	p_data->arr[type].update = update;
 	p_data->arr[type].enable = enable;
 	p_data->arr[type].priority = prio;
 	p_data->arr[type].tc = tc;
+	if (enable)
+		p_data->arr[type].update = UPDATE_DCB;
+	else
+		p_data->arr[type].update = DONT_UPDATE_DCB_DSCP;
 
 	/* QM reconf data */
 	if (p_info->personality == personality)
@@ -213,7 +215,6 @@ static bool qed_dcbx_roce_v2_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
 qed_dcbx_update_app_info(struct qed_dcbx_results *p_data,
 			 struct qed_hwfn *p_hwfn,
 			 bool enable,
-			 bool update,
 			 u8 prio, u8 tc, enum dcbx_protocol_type type)
 {
 	struct qed_hw_info *p_info = &p_hwfn->hw_info;
@@ -231,7 +232,7 @@ static bool qed_dcbx_roce_v2_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
 		personality = qed_dcbx_app_update[i].personality;
 		name = qed_dcbx_app_update[i].name;
 
-		qed_dcbx_set_params(p_data, p_info, enable, update,
+		qed_dcbx_set_params(p_data, p_info, enable,
 				    prio, tc, type, personality);
 	}
 }
@@ -304,7 +305,7 @@ static bool qed_dcbx_roce_v2_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
 			 */
 			enable = !(type == DCBX_PROTOCOL_ETH);
 
-			qed_dcbx_update_app_info(p_data, p_hwfn, enable, true,
+			qed_dcbx_update_app_info(p_data, p_hwfn, enable,
 						 priority, tc, type);
 		}
 	}
@@ -316,7 +317,7 @@ static bool qed_dcbx_roce_v2_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
 	    p_data->arr[DCBX_PROTOCOL_ROCE].update) {
 		tc = p_data->arr[DCBX_PROTOCOL_ROCE].tc;
 		priority = p_data->arr[DCBX_PROTOCOL_ROCE].priority;
-		qed_dcbx_update_app_info(p_data, p_hwfn, true, true,
+		qed_dcbx_update_app_info(p_data, p_hwfn, true,
 					 priority, tc, DCBX_PROTOCOL_ROCE_V2);
 	}
 
@@ -332,8 +333,8 @@ static bool qed_dcbx_roce_v2_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
 		if (p_data->arr[type].update)
 			continue;
 
-		enable = !(type == DCBX_PROTOCOL_ETH);
-		qed_dcbx_update_app_info(p_data, p_hwfn, enable, true,
+		enable = (type == DCBX_PROTOCOL_ETH) ? false : !!dcbx_version;
+		qed_dcbx_update_app_info(p_data, p_hwfn, enable,
 					 priority, tc, type);
 	}
 
diff --git a/drivers/net/ethernet/qlogic/qed/qed_dcbx.h b/drivers/net/ethernet/qlogic/qed/qed_dcbx.h
index 414e262..5feb90e 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_dcbx.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_dcbx.h
@@ -52,7 +52,7 @@ enum qed_mib_read_type {
 
 struct qed_dcbx_app_data {
 	bool enable;		/* DCB enabled */
-	bool update;		/* Update indication */
+	u8 update;		/* Update indication */
 	u8 priority;		/* Priority */
 	u8 tc;			/* Traffic Class */
 };
-- 
1.9.3