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| author | Ben Hutchings <bhutchings@solarflare.com> | 2008-12-12 21:50:46 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-12-12 21:58:17 -0800 |
| commit | 04cc8cacb01c09fba2297faf1477cd570ba43f0b (patch) | |
| tree | f17dbd584b072d14f1500c6f6d659be993ae35c7 /drivers/net/sfc/mdio_10g.h | |
| parent | 177dfcd80f28f8fbc3e22c2d8b24d21cb86f1d97 (diff) | |
| download | linux-04cc8cacb01c09fba2297faf1477cd570ba43f0b.tar.gz linux-04cc8cacb01c09fba2297faf1477cd570ba43f0b.tar.bz2 linux-04cc8cacb01c09fba2297faf1477cd570ba43f0b.zip | |
sfc: Implement auto-negotiation
Add infrastructure for auto-negotiation of speed, duplex and flow
control.
When using 10Xpress, auto-negotiate flow control. While we're
at it, clean up the code to warn when partner is not 10GBASE-T
capable.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/sfc/mdio_10g.h')
| -rw-r--r-- | drivers/net/sfc/mdio_10g.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/net/sfc/mdio_10g.h b/drivers/net/sfc/mdio_10g.h index 4830e0c1da0b..80c63dde8864 100644 --- a/drivers/net/sfc/mdio_10g.h +++ b/drivers/net/sfc/mdio_10g.h @@ -81,6 +81,17 @@ #define MDIO_MMDREG_DEVS_PHYXS DEV_PRESENT_BIT(MDIO_MMD_PHYXS) #define MDIO_MMDREG_DEVS_PCS DEV_PRESENT_BIT(MDIO_MMD_PCS) #define MDIO_MMDREG_DEVS_PMAPMD DEV_PRESENT_BIT(MDIO_MMD_PMAPMD) +#define MDIO_MMDREG_DEVS_AN DEV_PRESENT_BIT(MDIO_MMD_AN) + +/* Bits in MMDREG_SPEED */ +#define MDIO_MMDREG_SPEED_10G_LBN 0 +#define MDIO_MMDREG_SPEED_10G_WIDTH 1 +#define MDIO_MMDREG_SPEED_1000M_LBN 4 +#define MDIO_MMDREG_SPEED_1000M_WIDTH 1 +#define MDIO_MMDREG_SPEED_100M_LBN 5 +#define MDIO_MMDREG_SPEED_100M_WIDTH 1 +#define MDIO_MMDREG_SPEED_10M_LBN 6 +#define MDIO_MMDREG_SPEED_10M_WIDTH 1 /* Bits in MMDREG_STAT2 */ #define MDIO_MMDREG_STAT2_PRESENT_VAL (2) @@ -119,12 +130,20 @@ #define MDIO_PHYXS_LANE_ALIGNED_LBN (12) /* AN registers */ +#define MDIO_AN_CTRL_XNP_LBN 13 #define MDIO_AN_STATUS (1) #define MDIO_AN_STATUS_XNP_LBN (7) #define MDIO_AN_STATUS_PAGE_LBN (6) #define MDIO_AN_STATUS_AN_DONE_LBN (5) #define MDIO_AN_STATUS_LP_AN_CAP_LBN (0) +#define MDIO_AN_ADVERTISE 16 +#define MDIO_AN_ADVERTISE_XNP_LBN 12 +#define MDIO_AN_LPA 19 +#define MDIO_AN_XNP 22 +#define MDIO_AN_LPA_XNP 25 + +#define MDIO_AN_10GBT_ADVERTISE 32 #define MDIO_AN_10GBT_STATUS (33) #define MDIO_AN_10GBT_STATUS_MS_FLT_LBN (15) /* MASTER/SLAVE config fault */ #define MDIO_AN_10GBT_STATUS_MS_LBN (14) /* MASTER/SLAVE config */ @@ -251,10 +270,23 @@ extern void mdio_clause45_set_mmds_lpower(struct efx_nic *efx, extern void mdio_clause45_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd); +/* Read (some of) the PHY settings over MDIO */ +extern void +mdio_clause45_get_settings_ext(struct efx_nic *efx, struct ethtool_cmd *ecmd, + u32 xnp, u32 xnp_lpa); + /* Set (some of) the PHY settings over MDIO */ extern int mdio_clause45_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd); +/* Set pause parameters to be advertised through AN (if available) */ +extern void mdio_clause45_set_pause(struct efx_nic *efx); + +/* Get pause parameters from AN if available (otherwise return + * requested pause parameters) + */ +enum efx_fc_type mdio_clause45_get_pause(struct efx_nic *efx); + /* Wait for specified MMDs to exit reset within a timeout */ extern int mdio_clause45_wait_reset_mmds(struct efx_nic *efx, unsigned int mmd_mask); |