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bnxt_en: Add 100G link speed reporting for BCM57454 ASIC in ethtool 

Added support for 100G link speed reporting for Broadcom BCM57454
ASIC in ethtool command.

Signed-off-by: Deepak Khungar <deepak.khungar@broadcom.com>
Signed-off-by: Ray Jui <ray.jui@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Deepak Khungar 2017-04-21 20:11:24 -04:00 committed by David S. Miller
parent f0249056ea
commit 38a21b34aa
3 changed files with 18 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/net/ethernet/broadcom/bnxt/bnxt.c
View File

@ -5471,7 +5471,8 @@ static void bnxt_report_link(struct bnxt *bp)
if (bp->link_info.link_up) {
const char *duplex;
const char *flow_ctrl;
u16 speed, fec;
u32 speed;
u16 fec;
netif_carrier_on(bp->dev);
if (bp->link_info.duplex == BNXT_LINK_DUPLEX_FULL)
@ -5487,7 +5488,7 @@ static void bnxt_report_link(struct bnxt *bp)
else
flow_ctrl = "none";
speed = bnxt_fw_to_ethtool_speed(bp->link_info.link_speed);
netdev_info(bp->dev, "NIC Link is Up, %d Mbps %s duplex, Flow control: %s\n",
netdev_info(bp->dev, "NIC Link is Up, %u Mbps %s duplex, Flow control: %s\n",
speed, duplex, flow_ctrl);
if (bp->flags & BNXT_FLAG_EEE_CAP)
netdev_info(bp->dev, "EEE is %s\n",

2
drivers/net/ethernet/broadcom/bnxt/bnxt.h
View File

@ -851,6 +851,7 @@ struct bnxt_link_info {
#define BNXT_LINK_SPEED_25GB PORT_PHY_QCFG_RESP_LINK_SPEED_25GB
#define BNXT_LINK_SPEED_40GB PORT_PHY_QCFG_RESP_LINK_SPEED_40GB
#define BNXT_LINK_SPEED_50GB PORT_PHY_QCFG_RESP_LINK_SPEED_50GB
#define BNXT_LINK_SPEED_100GB PORT_PHY_QCFG_RESP_LINK_SPEED_100GB
u16 support_speeds;
u16 auto_link_speeds; /* fw adv setting */
#define BNXT_LINK_SPEED_MSK_100MB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_100MB
@ -862,6 +863,7 @@ struct bnxt_link_info {
#define BNXT_LINK_SPEED_MSK_25GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_25GB
#define BNXT_LINK_SPEED_MSK_40GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_40GB
#define BNXT_LINK_SPEED_MSK_50GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_50GB
#define BNXT_LINK_SPEED_MSK_100GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_100GB
u16 support_auto_speeds;
u16 lp_auto_link_speeds;
u16 force_link_speed;

14
drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
View File

@ -929,6 +929,9 @@ u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB) \
ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
50000baseCR2_Full);\
if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100GB) \
ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
100000baseCR4_Full);\
if ((fw_pause) & BNXT_LINK_PAUSE_RX) { \
ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
Pause); \
@ -965,6 +968,9 @@ u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
50000baseCR2_Full)) \
(fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB; \
if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
100000baseCR4_Full)) \
(fw_speeds) |= BNXT_LINK_SPEED_MSK_100GB; \
}
static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info,
@ -1027,6 +1033,8 @@ u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
return SPEED_40000;
case BNXT_LINK_SPEED_50GB:
return SPEED_50000;
case BNXT_LINK_SPEED_100GB:
return SPEED_100000;
default:
return SPEED_UNKNOWN;
}
@ -1092,7 +1100,7 @@ static int bnxt_get_link_ksettings(struct net_device *dev,
return 0;
}
static u32 bnxt_get_fw_speed(struct net_device *dev, u16 ethtool_speed)
static u32 bnxt_get_fw_speed(struct net_device *dev, u32 ethtool_speed)
{
struct bnxt *bp = netdev_priv(dev);
struct bnxt_link_info *link_info = &bp->link_info;
@ -1132,6 +1140,10 @@ static u32 bnxt_get_fw_speed(struct net_device *dev, u16 ethtool_speed)
if (support_spds & BNXT_LINK_SPEED_MSK_50GB)
fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
break;
case SPEED_100000:
if (support_spds & BNXT_LINK_SPEED_MSK_100GB)
fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100GB;
break;
default:
netdev_err(dev, "unsupported speed!\n");
break;