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8ceee660 | 1 | /**************************************************************************** |
f7a6d2c4 BH |
2 | * Driver for Solarflare network controllers and boards |
3 | * Copyright 2006-2013 Solarflare Communications Inc. | |
8ceee660 BH |
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 | ||
daeda630 BH |
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) | |
8880f4ec | 20 | #define EFX_WORKAROUND_SIENA(efx) (efx_nic_rev(efx) == EFX_REV_SIENA_A0) |
8fbca791 | 21 | #define EFX_WORKAROUND_10G(efx) 1 |
8ceee660 | 22 | |
3e133c44 | 23 | /* Bit-bashed I2C reads cause performance drop */ |
6f158d5f | 24 | #define EFX_WORKAROUND_7884 EFX_WORKAROUND_10G |
bb145a9e | 25 | /* Truncated IPv4 packets can confuse the TX packet parser */ |
fb45f2c1 | 26 | #define EFX_WORKAROUND_15592 EFX_WORKAROUND_FALCON_AB |
8880f4ec BH |
27 | /* Legacy interrupt storm when interrupt fifo fills */ |
28 | #define EFX_WORKAROUND_17213 EFX_WORKAROUND_SIENA | |
8ceee660 BH |
29 | |
30 | /* Spurious parity errors in TSORT buffers */ | |
31 | #define EFX_WORKAROUND_5129 EFX_WORKAROUND_FALCON_A | |
63f19884 BH |
32 | /* Unaligned read request >512 bytes after aligning may break TSORT */ |
33 | #define EFX_WORKAROUND_5391 EFX_WORKAROUND_FALCON_A | |
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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 */ | |
fd371e32 | 43 | #define EFX_WORKAROUND_7803 EFX_WORKAROUND_FALCON_AB |
8ceee660 BH |
44 | /* Leak overlength packets rather than free */ |
45 | #define EFX_WORKAROUND_8071 EFX_WORKAROUND_FALCON_A | |
46 | ||
8127d661 BH |
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 | ||
8ceee660 | 53 | #endif /* EFX_WORKAROUNDS_H */ |