[dpdk-dev] [PATCH v2 6/9] net/bnxt: fix get link config

Ajit Khaparde ajit.khaparde at broadcom.com
Fri Jun 30 16:20:18 CEST 2017


This patch fixes the get link configuration code.
bnxt_get_hwrm_link_config was using wrong macros and wrongly
deriving link speed based on link status which was causing
incorrect link information to be displayed in few scenarios.

Fixes: 7bc8e9a227cc ("net/bnxt: support async link notification")

Signed-off-by: Stephen Hurd <stephen.hurd at broadcom.com>
Signed-off-by: Ajit Khaparde <ajit.khaparde at broadcom.com>
--
v1->v2: split the patch into relevant patches based on code review
---
 drivers/net/bnxt/bnxt_hwrm.c | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index 3d2d408..9b00b60 100644
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -686,13 +686,10 @@ static int bnxt_hwrm_port_phy_qcfg(struct bnxt *bp,
 	HWRM_CHECK_RESULT;
 
 	link_info->phy_link_status = resp->link;
-	if (link_info->phy_link_status == HWRM_PORT_PHY_QCFG_OUTPUT_LINK_LINK) {
-		link_info->link_up = 1;
-		link_info->link_speed = rte_le_to_cpu_16(resp->link_speed);
-	} else {
-		link_info->link_up = 0;
-		link_info->link_speed = 0;
-	}
+	link_info->link_up =
+		(link_info->phy_link_status ==
+		 HWRM_PORT_PHY_QCFG_OUTPUT_LINK_LINK) ? 1 : 0;
+	link_info->link_speed = rte_le_to_cpu_16(resp->link_speed);
 	link_info->duplex = resp->duplex;
 	link_info->pause = resp->pause;
 	link_info->auto_pause = resp->auto_pause;
@@ -1887,7 +1884,7 @@ int bnxt_get_hwrm_link_config(struct bnxt *bp, struct rte_eth_link *link)
 			"Get link config failed with rc %d\n", rc);
 		goto exit;
 	}
-	if (link_info->link_up)
+	if (link_info->link_speed)
 		link->link_speed =
 			bnxt_parse_hw_link_speed(link_info->link_speed);
 	else
@@ -1896,7 +1893,7 @@ int bnxt_get_hwrm_link_config(struct bnxt *bp, struct rte_eth_link *link)
 	link->link_status = link_info->link_up;
 	link->link_autoneg = link_info->auto_mode ==
 		HWRM_PORT_PHY_QCFG_OUTPUT_AUTO_MODE_NONE ?
-		ETH_LINK_SPEED_FIXED : ETH_LINK_SPEED_AUTONEG;
+		ETH_LINK_FIXED : ETH_LINK_AUTONEG;
 exit:
 	return rc;
 }
-- 
2.10.1 (Apple Git-78)



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