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/****************************************************************************
* Driver for Solarflare network controllers and boards
* Copyright 2006-2013 Solarflare Communications Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation, incorporated herein by reference.
*/
#ifndef EFX_WORKAROUNDS_H
#define EFX_WORKAROUNDS_H
/*
* Hardware workarounds.
* Bug numbers are from Solarflare's Bugzilla.
*/
#define EFX_WORKAROUND_FALCON_A(efx) (efx_nic_rev(efx) <= EFX_REV_FALCON_A1)
#define EFX_WORKAROUND_FALCON_AB(efx) (efx_nic_rev(efx) <= EFX_REV_FALCON_B0)
#define EFX_WORKAROUND_SIENA(efx) (efx_nic_rev(efx) == EFX_REV_SIENA_A0)
#define EFX_WORKAROUND_10G(efx) 1
/* Bit-bashed I2C reads cause performance drop */
#define EFX_WORKAROUND_7884 EFX_WORKAROUND_10G
/* Truncated IPv4 packets can confuse the TX packet parser */
#define EFX_WORKAROUND_15592 EFX_WORKAROUND_FALCON_AB
/* Legacy interrupt storm when interrupt fifo fills */
#define EFX_WORKAROUND_17213 EFX_WORKAROUND_SIENA
/* Spurious parity errors in TSORT buffers */
#define EFX_WORKAROUND_5129 EFX_WORKAROUND_FALCON_A
/* Unaligned read request >512 bytes after aligning may break TSORT */
#define EFX_WORKAROUND_5391 EFX_WORKAROUND_FALCON_A
/* iSCSI parsing errors */
#define EFX_WORKAROUND_5583 EFX_WORKAROUND_FALCON_A
/* RX events go missing */
#define EFX_WORKAROUND_5676 EFX_WORKAROUND_FALCON_A
/* RX_RESET on A1 */
#define EFX_WORKAROUND_6555 EFX_WORKAROUND_FALCON_A
/* Increase filter depth to avoid RX_RESET */
#define EFX_WORKAROUND_7244 EFX_WORKAROUND_FALCON_A
/* Flushes may never complete */
#define EFX_WORKAROUND_7803 EFX_WORKAROUND_FALCON_AB
/* Leak overlength packets rather than free */
#define EFX_WORKAROUND_8071 EFX_WORKAROUND_FALCON_A
/* Lockup when writing event block registers at gen2/gen3 */
#define EFX_EF10_WORKAROUND_35388(efx) \
(((struct efx_ef10_nic_data *)efx->nic_data)->workaround_35388)
#define EFX_WORKAROUND_35388(efx) \
(efx_nic_rev(efx) == EFX_REV_HUNT_A0 && EFX_EF10_WORKAROUND_35388(efx))
#endif /* EFX_WORKAROUNDS_H */
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