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bnxt_en: Print FEC settings as part of the linkup dmesg. 

Print FEC (Forward Error Correction) autoneg and encoding settings during
link up.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2017-02-12 19:18:16 -05:00 committed by David S. Miller
parent 33dac24abb
commit e70c752f88
2 changed files with 16 additions and 1 deletions
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13
drivers/net/ethernet/broadcom/bnxt/bnxt.c
View File

@ -5437,7 +5437,7 @@ static void bnxt_report_link(struct bnxt *bp)
if (bp->link_info.link_up) {
const char *duplex;
const char *flow_ctrl;
u16 speed;
u16 speed, fec;
netif_carrier_on(bp->dev);
if (bp->link_info.duplex == BNXT_LINK_DUPLEX_FULL)
@ -5459,6 +5459,12 @@ static void bnxt_report_link(struct bnxt *bp)
netdev_info(bp->dev, "EEE is %s\n",
bp->eee.eee_active ? "active" :
"not active");
fec = bp->link_info.fec_cfg;
if (!(fec & PORT_PHY_QCFG_RESP_FEC_CFG_FEC_NONE_SUPPORTED))
netdev_info(bp->dev, "FEC autoneg %s encodings: %s\n",
(fec & BNXT_FEC_AUTONEG) ? "on" : "off",
(fec & BNXT_FEC_ENC_BASE_R) ? "BaseR" :
(fec & BNXT_FEC_ENC_RS) ? "RS" : "None");
} else {
netif_carrier_off(bp->dev);
netdev_err(bp->dev, "NIC Link is Down\n");
@ -5583,6 +5589,11 @@ static int bnxt_update_link(struct bnxt *bp, bool chng_link_state)
}
}
}
link_info->fec_cfg = PORT_PHY_QCFG_RESP_FEC_CFG_FEC_NONE_SUPPORTED;
if (bp->hwrm_spec_code >= 0x10504)
link_info->fec_cfg = le16_to_cpu(resp->fec_cfg);
/* TODO: need to add more logic to report VF link */
if (chng_link_state) {
if (link_info->phy_link_status == BNXT_LINK_LINK)

4
drivers/net/ethernet/broadcom/bnxt/bnxt.h
View File

@ -867,6 +867,10 @@ struct bnxt_link_info {
u16 force_link_speed;
u32 preemphasis;
u8 module_status;
u16 fec_cfg;
#define BNXT_FEC_AUTONEG PORT_PHY_QCFG_RESP_FEC_CFG_FEC_AUTONEG_ENABLED
#define BNXT_FEC_ENC_BASE_R PORT_PHY_QCFG_RESP_FEC_CFG_FEC_CLAUSE74_ENABLED
#define BNXT_FEC_ENC_RS PORT_PHY_QCFG_RESP_FEC_CFG_FEC_CLAUSE91_ENABLED
/* copy of requested setting from ethtool cmd */
u8 autoneg;