Commit 1d2deb61 authored by Edwin Peer's avatar Edwin Peer Committed by David S. Miller
Browse files

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: default avatarAndy Gospodarek <gospo@broadcom.com>
Signed-off-by: default avatarEdwin Peer <edwin.peer@broadcom.com>
Signed-off-by: default avatarMichael Chan <michael.chan@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 427f0c8c

drivers/net/ethernet/broadcom/bnxt/bnxt.c

+19 −3
Original line number Diff line number Diff line
@@ -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" :