diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/workarounds.h')
| -rw-r--r-- | drivers/net/ethernet/sfc/workarounds.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/workarounds.h b/drivers/net/ethernet/sfc/workarounds.h new file mode 100644 index 000000000..815be2d20 --- /dev/null +++ b/drivers/net/ethernet/sfc/workarounds.h @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/**************************************************************************** + * Driver for Solarflare network controllers and boards + * Copyright 2006-2013 Solarflare Communications Inc. + */ + +#ifndef EFX_WORKAROUNDS_H +#define EFX_WORKAROUNDS_H + +/* + * Hardware workarounds. + * Bug numbers are from Solarflare's Bugzilla. + */ + +#define EFX_WORKAROUND_SIENA(efx) (efx_nic_rev(efx) == EFX_REV_SIENA_A0) +#define EFX_WORKAROUND_EF10(efx) (efx_nic_rev(efx) >= EFX_REV_HUNT_A0) +#define EFX_WORKAROUND_10G(efx) 1 + +/* Bit-bashed I2C reads cause performance drop */ +#define EFX_WORKAROUND_7884 EFX_WORKAROUND_10G +/* Legacy interrupt storm when interrupt fifo fills */ +#define EFX_WORKAROUND_17213 EFX_WORKAROUND_SIENA + +/* Lockup when writing event block registers at gen2/gen3 */ +#define EFX_EF10_WORKAROUND_35388(efx) \ + (((struct efx_ef10_nic_data *)efx->nic_data)->workaround_35388) +#define EFX_WORKAROUND_35388(efx) \ + (efx_nic_rev(efx) == EFX_REV_HUNT_A0 && EFX_EF10_WORKAROUND_35388(efx)) + +/* Moderation timer access must go through MCDI */ +#define EFX_EF10_WORKAROUND_61265(efx) \ + (((struct efx_ef10_nic_data *)efx->nic_data)->workaround_61265) + +#endif /* EFX_WORKAROUNDS_H */ |