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 #endif /* EFX_WORKAROUNDS_H */ 54