1 /****************************************************************************
2 * Driver for Solarflare network controllers and boards
3 * Copyright 2006-2013 Solarflare Communications Inc.
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.
10 #ifndef EFX_WORKAROUNDS_H
11 #define EFX_WORKAROUNDS_H
14 * Hardware workarounds.
15 * Bug numbers are from Solarflare's Bugzilla.
18 #define EFX_WORKAROUND_SIENA(efx) (efx_nic_rev(efx) == EFX_REV_SIENA_A0)
19 #define EFX_WORKAROUND_10G(efx) 1
21 /* Bit-bashed I2C reads cause performance drop */
22 #define EFX_WORKAROUND_7884 EFX_WORKAROUND_10G
23 /* Legacy interrupt storm when interrupt fifo fills */
24 #define EFX_WORKAROUND_17213 EFX_WORKAROUND_SIENA
26 /* Lockup when writing event block registers at gen2/gen3 */
27 #define EFX_EF10_WORKAROUND_35388(efx) \
28 (((struct efx_ef10_nic_data *)efx->nic_data)->workaround_35388)
29 #define EFX_WORKAROUND_35388(efx) \
30 (efx_nic_rev(efx) == EFX_REV_HUNT_A0 && EFX_EF10_WORKAROUND_35388(efx))
32 /* Moderation timer access must go through MCDI */
33 #define EFX_EF10_WORKAROUND_61265(efx) \
34 (((struct efx_ef10_nic_data *)efx->nic_data)->workaround_61265)
36 #endif /* EFX_WORKAROUNDS_H */