drivers/net/ethernet/sfc/falcon/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 EF4_WORKAROUNDS_H
   8 #define EF4_WORKAROUNDS_H
   9
  10 /*
  11  * Hardware workarounds.
  12  * Bug numbers are from Solarflare's Bugzilla.
  13  */
  14
  15 #define EF4_WORKAROUND_FALCON_A(efx) (ef4_nic_rev(efx) <= EF4_REV_FALCON_A1)
  16 #define EF4_WORKAROUND_FALCON_AB(efx) (ef4_nic_rev(efx) <= EF4_REV_FALCON_B0)
  17 #define EF4_WORKAROUND_10G(efx) 1
  18
  19 /* Bit-bashed I2C reads cause performance drop */
  20 #define EF4_WORKAROUND_7884 EF4_WORKAROUND_10G
  21 /* Truncated IPv4 packets can confuse the TX packet parser */
  22 #define EF4_WORKAROUND_15592 EF4_WORKAROUND_FALCON_AB
  23
  24 /* Spurious parity errors in TSORT buffers */
  25 #define EF4_WORKAROUND_5129 EF4_WORKAROUND_FALCON_A
  26 /* Unaligned read request >512 bytes after aligning may break TSORT */
  27 #define EF4_WORKAROUND_5391 EF4_WORKAROUND_FALCON_A
  28 /* iSCSI parsing errors */
  29 #define EF4_WORKAROUND_5583 EF4_WORKAROUND_FALCON_A
  30 /* RX events go missing */
  31 #define EF4_WORKAROUND_5676 EF4_WORKAROUND_FALCON_A
  32 /* RX_RESET on A1 */
  33 #define EF4_WORKAROUND_6555 EF4_WORKAROUND_FALCON_A
  34 /* Increase filter depth to avoid RX_RESET */
  35 #define EF4_WORKAROUND_7244 EF4_WORKAROUND_FALCON_A
  36 /* Flushes may never complete */
  37 #define EF4_WORKAROUND_7803 EF4_WORKAROUND_FALCON_AB
  38 /* Leak overlength packets rather than free */
  39 #define EF4_WORKAROUND_8071 EF4_WORKAROUND_FALCON_A
  40
  41 #endif /* EF4_WORKAROUNDS_H */