diff options
| author | Edwin Peer <edwin.peer@broadcom.com> | 2021-04-25 13:45:18 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-04-25 18:37:38 -0700 |
| commit | 1d2deb61f095a7df231cc394c06d07a2893ac9eb (patch) | |
| tree | 695cb6cbe3fd94f2474d73e8356fdbd7f240cc46 /drivers/net/ethernet/broadcom | |
| parent | 427f0c8c194b22edcafef1b0a42995ddc5c2227d (diff) | |
| download | linux-1d2deb61f095a7df231cc394c06d07a2893ac9eb.tar.gz linux-1d2deb61f095a7df231cc394c06d07a2893ac9eb.tar.bz2 linux-1d2deb61f095a7df231cc394c06d07a2893ac9eb.zip | |
bnxt_en: report signal mode in link up messages
Firmware reports link signalling mode for certain speeds. In these
cases, print the signalling modes in kernel log link up messages.
Reviewed-by: Andy Gospodarek <gospo@broadcom.com>
Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index e15d454e33f0..573c039e6046 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -9075,8 +9075,9 @@ static char *bnxt_report_fec(struct bnxt_link_info *link_info) static void bnxt_report_link(struct bnxt *bp) { if (bp->link_info.link_up) { - const char *duplex; + const char *signal = ""; const char *flow_ctrl; + const char *duplex; u32 speed; u16 fec; @@ -9098,8 +9099,23 @@ static void bnxt_report_link(struct bnxt *bp) flow_ctrl = "ON - receive"; else flow_ctrl = "none"; - netdev_info(bp->dev, "NIC Link is Up, %u Mbps %s duplex, Flow control: %s\n", - speed, duplex, flow_ctrl); + if (bp->link_info.phy_qcfg_resp.option_flags & + PORT_PHY_QCFG_RESP_OPTION_FLAGS_SIGNAL_MODE_KNOWN) { + u8 sig_mode = bp->link_info.active_fec_sig_mode & + PORT_PHY_QCFG_RESP_SIGNAL_MODE_MASK; + switch (sig_mode) { + case PORT_PHY_QCFG_RESP_SIGNAL_MODE_NRZ: + signal = "(NRZ) "; + break; + case PORT_PHY_QCFG_RESP_SIGNAL_MODE_PAM4: + signal = "(PAM4) "; + break; + default: + break; + } + } + netdev_info(bp->dev, "NIC Link is Up, %u Mbps %s%s duplex, Flow control: %s\n", + speed, signal, duplex, flow_ctrl); if (bp->flags & BNXT_FLAG_EEE_CAP) netdev_info(bp->dev, "EEE is %s\n", bp->eee.eee_active ? "active" : |