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sfc: Limit some hardware workarounds to Falcon 

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Hutchings 2009-11-28 05:35:09 +00:00 committed by David S. Miller
parent b895d73e98
commit fb45f2c154
2 changed files with 4 additions and 3 deletions
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2
drivers/net/sfc/ethtool.c
View File

@ -683,7 +683,7 @@ static int efx_ethtool_set_pauseparam(struct net_device *net_dev,
* and fix it be cycling transmit flow control on this end. */ * and fix it be cycling transmit flow control on this end. */
reset = (wanted_fc & EFX_FC_TX) && !(efx->wanted_fc & EFX_FC_TX); reset = (wanted_fc & EFX_FC_TX) && !(efx->wanted_fc & EFX_FC_TX);
if (EFX_WORKAROUND_11482(efx) && reset) { if (EFX_WORKAROUND_11482(efx) && reset) {
if (falcon_rev(efx) >= FALCON_REV_B0) { if (falcon_rev(efx) == FALCON_REV_B0) {
/* Recover by resetting the EM block */ /* Recover by resetting the EM block */
if (efx->link_state.up) if (efx->link_state.up)
falcon_drain_tx_fifo(efx); falcon_drain_tx_fifo(efx);

5
drivers/net/sfc/workarounds.h
View File

@ -17,6 +17,7 @@
#define EFX_WORKAROUND_ALWAYS(efx) 1 #define EFX_WORKAROUND_ALWAYS(efx) 1
#define EFX_WORKAROUND_FALCON_A(efx) (falcon_rev(efx) <= FALCON_REV_A1) #define EFX_WORKAROUND_FALCON_A(efx) (falcon_rev(efx) <= FALCON_REV_A1)
#define EFX_WORKAROUND_FALCON_AB(efx) (falcon_rev(efx) <= FALCON_REV_B0)
#define EFX_WORKAROUND_10G(efx) EFX_IS10G(efx) #define EFX_WORKAROUND_10G(efx) EFX_IS10G(efx)
#define EFX_WORKAROUND_SFT9001(efx) ((efx)->phy_type == PHY_TYPE_SFT9001A || \ #define EFX_WORKAROUND_SFT9001(efx) ((efx)->phy_type == PHY_TYPE_SFT9001A || \
(efx)->phy_type == PHY_TYPE_SFT9001B) (efx)->phy_type == PHY_TYPE_SFT9001B)
@ -33,11 +34,11 @@
* or a PCIe error (bug 11028) */ * or a PCIe error (bug 11028) */
#define EFX_WORKAROUND_10727 EFX_WORKAROUND_ALWAYS #define EFX_WORKAROUND_10727 EFX_WORKAROUND_ALWAYS
/* Transmit flow control may get disabled */ /* Transmit flow control may get disabled */
#define EFX_WORKAROUND_11482 EFX_WORKAROUND_ALWAYS #define EFX_WORKAROUND_11482 EFX_WORKAROUND_FALCON_AB
/* Flush events can take a very long time to appear */ /* Flush events can take a very long time to appear */
#define EFX_WORKAROUND_11557 EFX_WORKAROUND_ALWAYS #define EFX_WORKAROUND_11557 EFX_WORKAROUND_ALWAYS
/* Truncated IPv4 packets can confuse the TX packet parser */ /* Truncated IPv4 packets can confuse the TX packet parser */
#define EFX_WORKAROUND_15592 EFX_WORKAROUND_ALWAYS #define EFX_WORKAROUND_15592 EFX_WORKAROUND_FALCON_AB
/* Spurious parity errors in TSORT buffers */ /* Spurious parity errors in TSORT buffers */
#define EFX_WORKAROUND_5129 EFX_WORKAROUND_FALCON_A #define EFX_WORKAROUND_5129 EFX_WORKAROUND_FALCON_A