drivers/net/ethernet/sfc/workarounds.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /****************************************************************************
   3  * Driver for Solarflare network controllers and boards
   4  * Copyright 2006-2013 Solarflare Communications Inc.
   5  */
   6
   7 #ifndef EFX_WORKAROUNDS_H
   8 #define EFX_WORKAROUNDS_H
   9
  10 /*
  11  * Hardware workarounds.
  12  * Bug numbers are from Solarflare's Bugzilla.
  13  */
  14
  15 #define EFX_WORKAROUND_SIENA(efx) (efx_nic_rev(efx) == EFX_REV_SIENA_A0)
  16 #define EFX_WORKAROUND_EF10(efx) (efx_nic_rev(efx) >= EFX_REV_HUNT_A0)
  17 #define EFX_WORKAROUND_10G(efx) 1
  18
  19 /* Bit-bashed I2C reads cause performance drop */
  20 #define EFX_WORKAROUND_7884 EFX_WORKAROUND_10G
  21 /* Legacy interrupt storm when interrupt fifo fills */
  22 #define EFX_WORKAROUND_17213 EFX_WORKAROUND_SIENA
  23
  24 /* Lockup when writing event block registers at gen2/gen3 */
  25 #define EFX_EF10_WORKAROUND_35388(efx)                                  \
  26         (((struct efx_ef10_nic_data *)efx->nic_data)->workaround_35388)
  27 #define EFX_WORKAROUND_35388(efx)                                       \
  28         (efx_nic_rev(efx) == EFX_REV_HUNT_A0 && EFX_EF10_WORKAROUND_35388(efx))
  29
  30 /* Moderation timer access must go through MCDI */
  31 #define EFX_EF10_WORKAROUND_61265(efx)                                  \
  32         (((struct efx_ef10_nic_data *)efx->nic_data)->workaround_61265)
  33
  34 #endif /* EFX_WORKAROUNDS_H */