[dpdk-dev] [PATCH] net/qede: fix unknown speed errmsg for 25G link

Rasesh Mody Rasesh.Mody at cavium.com
Thu Nov 10 03:26:24 CET 2016


From: Harish Patil <harish.patil at qlogic.com>

Fix to use bitmapped values in NVM configuration for speed capability
advertisement. This issue is specific to 25G NIC since it is capable
of 25G and 10G speeds.

Fixes: 64c239b7f8b7 ("net/qede: fix advertising link speed capability")

Signed-off-by: Harish Patil <harish.patil at qlogic.com>
---
 drivers/net/qede/qede_ethdev.c | 15 ++++++++++++++-
 drivers/net/qede/qede_if.h     |  2 +-
 drivers/net/qede/qede_main.c   | 25 ++-----------------------
 3 files changed, 17 insertions(+), 25 deletions(-)

diff --git a/drivers/net/qede/qede_ethdev.c b/drivers/net/qede/qede_ethdev.c
index 59129f2..f57f80d 100644
--- a/drivers/net/qede/qede_ethdev.c
+++ b/drivers/net/qede/qede_ethdev.c
@@ -647,6 +647,7 @@ qede_dev_info_get(struct rte_eth_dev *eth_dev,
 	struct qede_dev *qdev = eth_dev->data->dev_private;
 	struct ecore_dev *edev = &qdev->edev;
 	struct qed_link_output link;
+	uint32_t speed_cap = 0;
 
 	PMD_INIT_FUNC_TRACE(edev);
 
@@ -681,7 +682,19 @@ qede_dev_info_get(struct rte_eth_dev *eth_dev,
 
 	memset(&link, 0, sizeof(struct qed_link_output));
 	qdev->ops->common->get_link(edev, &link);
-	dev_info->speed_capa = rte_eth_speed_bitflag(link.adv_speed, 0);
+	if (link.adv_speed & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
+		speed_cap |= ETH_LINK_SPEED_1G;
+	if (link.adv_speed & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
+		speed_cap |= ETH_LINK_SPEED_10G;
+	if (link.adv_speed & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
+		speed_cap |= ETH_LINK_SPEED_25G;
+	if (link.adv_speed & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
+		speed_cap |= ETH_LINK_SPEED_40G;
+	if (link.adv_speed & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
+		speed_cap |= ETH_LINK_SPEED_50G;
+	if (link.adv_speed & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
+		speed_cap |= ETH_LINK_SPEED_100G;
+	dev_info->speed_capa = speed_cap;
 }
 
 /* return 0 means link status changed, -1 means not changed */
diff --git a/drivers/net/qede/qede_if.h b/drivers/net/qede/qede_if.h
index 4936349..2131fe2 100644
--- a/drivers/net/qede/qede_if.h
+++ b/drivers/net/qede/qede_if.h
@@ -70,7 +70,7 @@ struct qed_link_output {
 	uint32_t advertised_caps;	/* In ADVERTISED defs */
 	uint32_t lp_caps;	/* In ADVERTISED defs */
 	uint32_t speed;		/* In Mb/s */
-	uint32_t adv_speed;	/* In Mb/s */
+	uint32_t adv_speed;	/* Speed mask */
 	uint8_t duplex;		/* In DUPLEX defs */
 	uint8_t port;		/* In PORT defs */
 	bool autoneg;
diff --git a/drivers/net/qede/qede_main.c b/drivers/net/qede/qede_main.c
index d2e476c..ab22409 100644
--- a/drivers/net/qede/qede_main.c
+++ b/drivers/net/qede/qede_main.c
@@ -488,7 +488,6 @@ static void qed_fill_link(struct ecore_hwfn *hwfn,
 	struct ecore_mcp_link_state link;
 	struct ecore_mcp_link_capabilities link_caps;
 	uint32_t media_type;
-	uint32_t adv_speed;
 	uint8_t change = 0;
 
 	memset(if_link, 0, sizeof(*if_link));
@@ -516,28 +515,8 @@ static void qed_fill_link(struct ecore_hwfn *hwfn,
 
 	if_link->duplex = QEDE_DUPLEX_FULL;
 
-	/* Fill up the native advertised speed */
-	switch (params.speed.advertised_speeds) {
-	case NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G:
-		adv_speed = 10000;
-	break;
-	case NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G:
-		adv_speed = 25000;
-	break;
-	case NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G:
-		adv_speed = 40000;
-	break;
-	case NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G:
-		adv_speed = 50000;
-	break;
-	case NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G:
-		adv_speed = 100000;
-	break;
-	default:
-		DP_NOTICE(hwfn, false, "Unknown speed\n");
-		adv_speed = 0;
-	}
-	if_link->adv_speed = adv_speed;
+	/* Fill up the native advertised speed cap mask */
+	if_link->adv_speed = params.speed.advertised_speeds;
 
 	if (params.speed.autoneg)
 		if_link->supported_caps |= QEDE_SUPPORTED_AUTONEG;
-- 
1.8.3.1



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