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Commit 9a12a306 authored by Ben Hutchings's avatar Ben Hutchings
Browse files

sfc: Minimal support for 40G link speed 



Accept and handle 40G link events.

Accept ethtool link settings of speed == 40000 && duplex, and set the
appropriate MCDI PHY capability.

This does not include reporting of 40G media types, as those have not
yet been assigned numbers in the MCDI protocol.

Signed-off-by: default avatarBen Hutchings <bhutchings@solarflare.com>
parent ba397672

drivers/net/ethernet/sfc/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -7,7 +7,7 @@ config SFC 
	select I2C_ALGOBIT

	select PTP_1588_CLOCK

	---help---

	  This driver supports 10-gigabit Ethernet cards based on

	  This driver supports 10/40-gigabit Ethernet cards based on

	  the Solarflare SFC4000, SFC9000-family and SFC9100-family

	  controllers.

drivers/net/ethernet/sfc/mcdi_port.c

+2 −0
Original line number Diff line number Diff line
@@ -556,6 +556,7 @@ static int efx_mcdi_phy_set_settings(struct efx_nic *efx, struct ethtool_cmd *ec 
		case 100:   caps = 1 << MC_CMD_PHY_CAP_100FDX_LBN;   break;

		case 1000:  caps = 1 << MC_CMD_PHY_CAP_1000FDX_LBN;  break;

		case 10000: caps = 1 << MC_CMD_PHY_CAP_10000FDX_LBN; break;

		case 40000: caps = 1 << MC_CMD_PHY_CAP_40000FDX_LBN; break;

		default:    return -EINVAL;

		}

	} else {
@@ -841,6 +842,7 @@ static unsigned int efx_mcdi_event_link_speed[] = { 
	[MCDI_EVENT_LINKCHANGE_SPEED_100M] = 100,

	[MCDI_EVENT_LINKCHANGE_SPEED_1G] = 1000,

	[MCDI_EVENT_LINKCHANGE_SPEED_10G] = 10000,

	[MCDI_EVENT_LINKCHANGE_SPEED_40G] = 40000,

};



void efx_mcdi_process_link_change(struct efx_nic *efx, efx_qword_t *ev)