When Autoneg is turned off especially on remote side,
link does not come up. This patch fixes that.
Fixes: 7bc8e9a227cc ("net/bnxt: support async link notification")
Cc: sta...@dpdk.org
Signed-off-by: Ajit Khaparde <ajit.khapa...@broadcom.com>
---
drivers/net/bnxt/bnxt.h | 1 +
drivers/net/bnxt/bnxt_hwrm.c | 22 ++++++++++++++++++++--
2 files changed, 21 insertions(+), 2 deletions(-)
diff --git a/drivers/net/bnxt/bnxt.h b/drivers/net/bnxt/bnxt.h
index 6776c64a5..b5a0badfc 100644
--- a/drivers/net/bnxt/bnxt.h
+++ b/drivers/net/bnxt/bnxt.h
@@ -163,6 +163,7 @@ struct bnxt_link_info {
uint16_t link_speed;
uint16_t support_speeds;
uint16_t auto_link_speed;
+ uint16_t force_link_speed;
uint16_t auto_link_speed_mask;
uint32_t preemphasis;
uint8_t phy_type;
diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index 4987cf0a9..5450a0253 100644
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -894,12 +894,22 @@ static int bnxt_hwrm_port_phy_qcfg(struct bnxt *bp,
link_info->support_speeds = rte_le_to_cpu_16(resp->support_speeds);
link_info->auto_link_speed = rte_le_to_cpu_16(resp->auto_link_speed);
link_info->preemphasis = rte_le_to_cpu_32(resp->preemphasis);
+ link_info->force_link_speed = rte_le_to_cpu_16(resp->force_link_speed);
link_info->phy_ver[0] = resp->phy_maj;
link_info->phy_ver[1] = resp->phy_min;
link_info->phy_ver[2] = resp->phy_bld;
HWRM_UNLOCK();
+ PMD_DRV_LOG(DEBUG, "Link Speed %d\n", link_info->link_speed);
+ PMD_DRV_LOG(DEBUG, "Auto Mode %d\n", link_info->auto_mode);
+ PMD_DRV_LOG(DEBUG, "Support Speeds %x\n", link_info->support_speeds);
+ PMD_DRV_LOG(DEBUG, "Auto Link Speed %x\n", link_info->auto_link_speed);
+ PMD_DRV_LOG(DEBUG, "Auto Link Speed Mask %x\n",
+ link_info->auto_link_speed_mask);
+ PMD_DRV_LOG(DEBUG, "Forced Link Speed %x\n",
+ link_info->force_link_speed);
+
return rc;
}
@@ -2220,7 +2230,9 @@ int bnxt_set_hwrm_link_config(struct bnxt *bp, bool
link_up)
autoneg = bnxt_check_eth_link_autoneg(dev_conf->link_speeds);
speed = bnxt_parse_eth_link_speed(dev_conf->link_speeds);
link_req.phy_flags = HWRM_PORT_PHY_CFG_INPUT_FLAGS_RESET_PHY;
- if (autoneg == 1) {
+ /* Autoneg can be done only when the FW allows */
+ if (autoneg == 1 && !(bp->link_info.auto_link_speed ||
+ bp->link_info.force_link_speed)) {
link_req.phy_flags |=
HWRM_PORT_PHY_CFG_INPUT_FLAGS_RESTART_AUTONEG;
link_req.auto_link_speed_mask =
@@ -2238,7 +2250,13 @@ int bnxt_set_hwrm_link_config(struct bnxt *bp, bool
link_up)
}
link_req.phy_flags |= HWRM_PORT_PHY_CFG_INPUT_FLAGS_FORCE;
- link_req.link_speed = speed;
+ /* If user wants a particular speed try that first. */
+ if (speed)
+ link_req.link_speed = speed;
+ else if (bp->link_info.force_link_speed)
+ link_req.link_speed = bp->link_info.force_link_speed;
+ else
+ link_req.link_speed = bp->link_info.auto_link_speed;
}
link_req.duplex = bnxt_parse_eth_link_duplex(dev_conf->link_speeds);
link_req.auto_pause = bp->link_info.auto_pause;
--
2.14.3 (Apple Git-98)
