diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
| commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
| tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /drivers/net/ethernet/sfc/workarounds.h | |
Initial import
Diffstat (limited to 'drivers/net/ethernet/sfc/workarounds.h')
| -rw-r--r-- | drivers/net/ethernet/sfc/workarounds.h | 53 |
1 files changed, 53 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..2310b75d4 --- /dev/null +++ b/drivers/net/ethernet/sfc/workarounds.h @@ -0,0 +1,53 @@ +/**************************************************************************** + * Driver for Solarflare network controllers and boards + * Copyright 2006-2013 Solarflare Communications Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + */ + +#ifndef EFX_WORKAROUNDS_H +#define EFX_WORKAROUNDS_H + +/* + * Hardware workarounds. + * Bug numbers are from Solarflare's Bugzilla. + */ + +#define EFX_WORKAROUND_FALCON_A(efx) (efx_nic_rev(efx) <= EFX_REV_FALCON_A1) +#define EFX_WORKAROUND_FALCON_AB(efx) (efx_nic_rev(efx) <= EFX_REV_FALCON_B0) +#define EFX_WORKAROUND_SIENA(efx) (efx_nic_rev(efx) == EFX_REV_SIENA_A0) +#define EFX_WORKAROUND_10G(efx) 1 + +/* Bit-bashed I2C reads cause performance drop */ +#define EFX_WORKAROUND_7884 EFX_WORKAROUND_10G +/* Truncated IPv4 packets can confuse the TX packet parser */ +#define EFX_WORKAROUND_15592 EFX_WORKAROUND_FALCON_AB +/* Legacy interrupt storm when interrupt fifo fills */ +#define EFX_WORKAROUND_17213 EFX_WORKAROUND_SIENA + +/* Spurious parity errors in TSORT buffers */ +#define EFX_WORKAROUND_5129 EFX_WORKAROUND_FALCON_A +/* Unaligned read request >512 bytes after aligning may break TSORT */ +#define EFX_WORKAROUND_5391 EFX_WORKAROUND_FALCON_A +/* iSCSI parsing errors */ +#define EFX_WORKAROUND_5583 EFX_WORKAROUND_FALCON_A +/* RX events go missing */ +#define EFX_WORKAROUND_5676 EFX_WORKAROUND_FALCON_A +/* RX_RESET on A1 */ +#define EFX_WORKAROUND_6555 EFX_WORKAROUND_FALCON_A +/* Increase filter depth to avoid RX_RESET */ +#define EFX_WORKAROUND_7244 EFX_WORKAROUND_FALCON_A +/* Flushes may never complete */ +#define EFX_WORKAROUND_7803 EFX_WORKAROUND_FALCON_AB +/* Leak overlength packets rather than free */ +#define EFX_WORKAROUND_8071 EFX_WORKAROUND_FALCON_A + +/* 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)) + +#endif /* EFX_WORKAROUNDS_H */ |