1/**************************************************************************** 2 * Driver for Solarflare network controllers and boards 3 * Copyright 2006-2013 Solarflare Communications Inc. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 as published 7 * by the Free Software Foundation, incorporated herein by reference. 8 */ 9 10#ifndef EFX_WORKAROUNDS_H 11#define EFX_WORKAROUNDS_H 12 13/* 14 * Hardware workarounds. 15 * Bug numbers are from Solarflare's Bugzilla. 16 */ 17 18#define EFX_WORKAROUND_FALCON_A(efx) (efx_nic_rev(efx) <= EFX_REV_FALCON_A1) 19#define EFX_WORKAROUND_FALCON_AB(efx) (efx_nic_rev(efx) <= EFX_REV_FALCON_B0) 20#define EFX_WORKAROUND_SIENA(efx) (efx_nic_rev(efx) == EFX_REV_SIENA_A0) 21#define EFX_WORKAROUND_10G(efx) 1 22 23/* Bit-bashed I2C reads cause performance drop */ 24#define EFX_WORKAROUND_7884 EFX_WORKAROUND_10G 25/* Truncated IPv4 packets can confuse the TX packet parser */ 26#define EFX_WORKAROUND_15592 EFX_WORKAROUND_FALCON_AB 27/* Legacy interrupt storm when interrupt fifo fills */ 28#define EFX_WORKAROUND_17213 EFX_WORKAROUND_SIENA 29 30/* Spurious parity errors in TSORT buffers */ 31#define EFX_WORKAROUND_5129 EFX_WORKAROUND_FALCON_A 32/* Unaligned read request >512 bytes after aligning may break TSORT */ 33#define EFX_WORKAROUND_5391 EFX_WORKAROUND_FALCON_A 34/* iSCSI parsing errors */ 35#define EFX_WORKAROUND_5583 EFX_WORKAROUND_FALCON_A 36/* RX events go missing */ 37#define EFX_WORKAROUND_5676 EFX_WORKAROUND_FALCON_A 38/* RX_RESET on A1 */ 39#define EFX_WORKAROUND_6555 EFX_WORKAROUND_FALCON_A 40/* Increase filter depth to avoid RX_RESET */ 41#define EFX_WORKAROUND_7244 EFX_WORKAROUND_FALCON_A 42/* Flushes may never complete */ 43#define EFX_WORKAROUND_7803 EFX_WORKAROUND_FALCON_AB 44/* Leak overlength packets rather than free */ 45#define EFX_WORKAROUND_8071 EFX_WORKAROUND_FALCON_A 46 47/* Lockup when writing event block registers at gen2/gen3 */ 48#define EFX_EF10_WORKAROUND_35388(efx) \ 49 (((struct efx_ef10_nic_data *)efx->nic_data)->workaround_35388) 50#define EFX_WORKAROUND_35388(efx) \ 51 (efx_nic_rev(efx) == EFX_REV_HUNT_A0 && EFX_EF10_WORKAROUND_35388(efx)) 52 53/* Moderation timer access must go through MCDI */ 54#define EFX_EF10_WORKAROUND_61265(efx) \ 55 (((struct efx_ef10_nic_data *)efx->nic_data)->workaround_61265) 56 57#endif /* EFX_WORKAROUNDS_H */ 58