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authorMichael Chan <michael.chan@broadcom.com>2017-02-12 19:18:16 -0500
committerDavid S. Miller <davem@davemloft.net>2017-02-12 22:18:49 -0500
commite70c752f88ed23e6a0f081fa408282c2450c8ce9 (patch)
tree34e41efd24fc9cc17369220b29f1e95f6f2d3e9a /drivers/net/ethernet
parent33dac24abbd5a77eefca18fb7ebbd01a3cf1b343 (diff)
downloadlinux-e70c752f88ed23e6a0f081fa408282c2450c8ce9.tar.bz2
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>
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c13
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.h4
2 files changed, 16 insertions, 1 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index afd119097344..9f1dfbe5aae9 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -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)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index eaed70061dfc..faf26a2f726b 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -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;