1 /**************************************************************************** 2 * Driver for Solarflare Solarstorm network controllers and boards 3 * Copyright 2006-2010 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_ALWAYS(efx) 1 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) 21 #define EFX_WORKAROUND_SIENA(efx) (efx_nic_rev(efx) == EFX_REV_SIENA_A0) 22 #define EFX_WORKAROUND_10G(efx) 1 23 24 /* XAUI resets if link not detected */ 25 #define EFX_WORKAROUND_5147 EFX_WORKAROUND_ALWAYS 26 /* RX PCIe double split performance issue */ 27 #define EFX_WORKAROUND_7575 EFX_WORKAROUND_ALWAYS 28 /* Bit-bashed I2C reads cause performance drop */ 29 #define EFX_WORKAROUND_7884 EFX_WORKAROUND_10G 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 */ 34 #define EFX_WORKAROUND_11482 EFX_WORKAROUND_FALCON_AB 35 /* Truncated IPv4 packets can confuse the TX packet parser */ 36 #define EFX_WORKAROUND_15592 EFX_WORKAROUND_FALCON_AB 37 /* Legacy ISR read can return zero once */ 38 #define EFX_WORKAROUND_15783 EFX_WORKAROUND_ALWAYS 39 /* Legacy interrupt storm when interrupt fifo fills */ 40 #define EFX_WORKAROUND_17213 EFX_WORKAROUND_SIENA 41 /* Write combining and sriov=enabled are incompatible */ 42 #define EFX_WORKAROUND_22643 EFX_WORKAROUND_SIENA 43 44 /* Spurious parity errors in TSORT buffers */ 45 #define EFX_WORKAROUND_5129 EFX_WORKAROUND_FALCON_A 46 /* Unaligned read request >512 bytes after aligning may break TSORT */ 47 #define EFX_WORKAROUND_5391 EFX_WORKAROUND_FALCON_A 48 /* iSCSI parsing errors */ 49 #define EFX_WORKAROUND_5583 EFX_WORKAROUND_FALCON_A 50 /* RX events go missing */ 51 #define EFX_WORKAROUND_5676 EFX_WORKAROUND_FALCON_A 52 /* RX_RESET on A1 */ 53 #define EFX_WORKAROUND_6555 EFX_WORKAROUND_FALCON_A 54 /* Increase filter depth to avoid RX_RESET */ 55 #define EFX_WORKAROUND_7244 EFX_WORKAROUND_FALCON_A 56 /* Flushes may never complete */ 57 #define EFX_WORKAROUND_7803 EFX_WORKAROUND_FALCON_AB 58 /* Leak overlength packets rather than free */ 59 #define EFX_WORKAROUND_8071 EFX_WORKAROUND_FALCON_A 60 61 #endif /* EFX_WORKAROUNDS_H */ 62