ethtool/mdio: Support backplane mode negotiation
Compile-tested only.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/mdio.c b/drivers/net/mdio.c
index ee383c2..6648303 100644
--- a/drivers/net/mdio.c
+++ b/drivers/net/mdio.c
@@ -202,12 +202,29 @@
break;
case MDIO_PMA_CTRL2_10GBCX4:
+ ecmd->port = PORT_OTHER;
+ ecmd->supported = 0;
+ ecmd->advertising = 0;
+ break;
+
case MDIO_PMA_CTRL2_10GBKX4:
case MDIO_PMA_CTRL2_10GBKR:
case MDIO_PMA_CTRL2_1000BKX:
ecmd->port = PORT_OTHER;
- ecmd->supported = 0;
- ecmd->advertising = 0;
+ ecmd->supported = SUPPORTED_Backplane;
+ reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_PMAPMD,
+ MDIO_PMA_EXTABLE);
+ if (reg & MDIO_PMA_EXTABLE_10GBKX4)
+ ecmd->supported |= SUPPORTED_10000baseKX4_Full;
+ if (reg & MDIO_PMA_EXTABLE_10GBKR)
+ ecmd->supported |= SUPPORTED_10000baseKR_Full;
+ if (reg & MDIO_PMA_EXTABLE_1000BKX)
+ ecmd->supported |= SUPPORTED_1000baseKX_Full;
+ reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_PMAPMD,
+ MDIO_PMA_10GBR_FECABLE);
+ if (reg & MDIO_PMA_10GBR_FECABLE_ABLE)
+ ecmd->supported |= SUPPORTED_10000baseR_FEC;
+ ecmd->advertising = ADVERTISED_Backplane;
break;
/* All the other defined modes are flavours of optical */
@@ -252,13 +269,16 @@
if ((modes & ~ADVERTISED_Autoneg) == 0)
modes = ecmd->advertising;
- if (modes & ADVERTISED_10000baseT_Full) {
+ if (modes & (ADVERTISED_10000baseT_Full |
+ ADVERTISED_10000baseKX4_Full |
+ ADVERTISED_10000baseKR_Full)) {
ecmd->speed = SPEED_10000;
ecmd->duplex = DUPLEX_FULL;
} else if (modes & (ADVERTISED_1000baseT_Full |
- ADVERTISED_1000baseT_Half)) {
+ ADVERTISED_1000baseT_Half |
+ ADVERTISED_1000baseKX_Full)) {
ecmd->speed = SPEED_1000;
- ecmd->duplex = !!(modes & ADVERTISED_1000baseT_Full);
+ ecmd->duplex = !(modes & ADVERTISED_1000baseT_Half);
} else if (modes & (ADVERTISED_100baseT_Full |
ADVERTISED_100baseT_Half)) {
ecmd->speed = SPEED_100;