projects / deliverable / linux.git / blame
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1 | /**************************************************************************** |
| 2 | * Driver for Solarflare Solarstorm network controllers and boards | |
| 906bb26c | 3 | * Copyright 2006-2009 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 | ||
| 18 | #define EFX_WORKAROUND_ALWAYS(efx) 1 | |
| daeda630 BH |
19 | #define EFX_WORKAROUND_FALCON_A(efx) (efx_nic_rev(efx) <= EFX_REV_FALCON_A1) |
| 20 | #define EFX_WORKAROUND_FALCON_AB(efx) (efx_nic_rev(efx) <= EFX_REV_FALCON_B0) | |
| 8880f4ec | 21 | #define EFX_WORKAROUND_SIENA(efx) (efx_nic_rev(efx) == EFX_REV_SIENA_A0) |
| 8fbca791 | 22 | #define EFX_WORKAROUND_10G(efx) 1 |
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23 | |
| 24 | /* XAUI resets if link not detected */ | |
| 25 | #define EFX_WORKAROUND_5147 EFX_WORKAROUND_ALWAYS | |
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26 | /* RX PCIe double split performance issue */ |
| 27 | #define EFX_WORKAROUND_7575 EFX_WORKAROUND_ALWAYS | |
| 3e133c44 | 28 | /* Bit-bashed I2C reads cause performance drop */ |
| 6f158d5f | 29 | #define EFX_WORKAROUND_7884 EFX_WORKAROUND_10G |
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30 | /* TX_EV_PKT_ERR can be caused by a dangling TX descriptor |
| 31 | * or a PCIe error (bug 11028) */ | |
| 32 | #define EFX_WORKAROUND_10727 EFX_WORKAROUND_ALWAYS | |
| 33 | /* Transmit flow control may get disabled */ | |
| fb45f2c1 | 34 | #define EFX_WORKAROUND_11482 EFX_WORKAROUND_FALCON_AB |
| bb145a9e | 35 | /* Truncated IPv4 packets can confuse the TX packet parser */ |
| fb45f2c1 | 36 | #define EFX_WORKAROUND_15592 EFX_WORKAROUND_FALCON_AB |
| 8880f4ec | 37 | /* Legacy ISR read can return zero once */ |
| 41b7e4c3 | 38 | #define EFX_WORKAROUND_15783 EFX_WORKAROUND_ALWAYS |
| 8880f4ec BH |
39 | /* Legacy interrupt storm when interrupt fifo fills */ |
| 40 | #define EFX_WORKAROUND_17213 EFX_WORKAROUND_SIENA | |
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41 | |
| 42 | /* Spurious parity errors in TSORT buffers */ | |
| 43 | #define EFX_WORKAROUND_5129 EFX_WORKAROUND_FALCON_A | |
| 63f19884 BH |
44 | /* Unaligned read request >512 bytes after aligning may break TSORT */ |
| 45 | #define EFX_WORKAROUND_5391 EFX_WORKAROUND_FALCON_A | |
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46 | /* iSCSI parsing errors */ |
| 47 | #define EFX_WORKAROUND_5583 EFX_WORKAROUND_FALCON_A | |
| 48 | /* RX events go missing */ | |
| 49 | #define EFX_WORKAROUND_5676 EFX_WORKAROUND_FALCON_A | |
| 50 | /* RX_RESET on A1 */ | |
| 51 | #define EFX_WORKAROUND_6555 EFX_WORKAROUND_FALCON_A | |
| 52 | /* Increase filter depth to avoid RX_RESET */ | |
| 53 | #define EFX_WORKAROUND_7244 EFX_WORKAROUND_FALCON_A | |
| 54 | /* Flushes may never complete */ | |
| fd371e32 | 55 | #define EFX_WORKAROUND_7803 EFX_WORKAROUND_FALCON_AB |
| 8ceee660 BH |
56 | /* Leak overlength packets rather than free */ |
| 57 | #define EFX_WORKAROUND_8071 EFX_WORKAROUND_FALCON_A | |
| 58 | ||
| 59 | #endif /* EFX_WORKAROUNDS_H */ |