drivers/net/sfc/workarounds.h

   1 /****************************************************************************
   2  * Driver for Solarflare Solarstorm network controllers and boards
   3  * Copyright 2006-2008 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) (falcon_rev(efx) <= FALCON_REV_A1)
  20
  21 /* XAUI resets if link not detected */
  22 #define EFX_WORKAROUND_5147 EFX_WORKAROUND_ALWAYS
  23 /* SNAP frames have TOBE_DISC set */
  24 #define EFX_WORKAROUND_5475 EFX_WORKAROUND_ALWAYS
  25 /* RX PCIe double split performance issue */
  26 #define EFX_WORKAROUND_7575 EFX_WORKAROUND_ALWAYS
  27 /* TX pkt parser problem with <= 16 byte TXes */
  28 #define EFX_WORKAROUND_9141 EFX_WORKAROUND_ALWAYS
  29 /* XGXS and XAUI reset sequencing in SW */
  30 #define EFX_WORKAROUND_9388 EFX_WORKAROUND_ALWAYS
  31 /* Low rate CRC errors require XAUI reset */
  32 #define EFX_WORKAROUND_10750 EFX_WORKAROUND_ALWAYS
  33 /* TX_EV_PKT_ERR can be caused by a dangling TX descriptor
  34  * or a PCIe error (bug 11028) */
  35 #define EFX_WORKAROUND_10727 EFX_WORKAROUND_ALWAYS
  36 /* Transmit flow control may get disabled */
  37 #define EFX_WORKAROUND_11482 EFX_WORKAROUND_ALWAYS
  38 /* Flush events can take a very long time to appear */
  39 #define EFX_WORKAROUND_11557 EFX_WORKAROUND_ALWAYS
  40
  41 /* Spurious parity errors in TSORT buffers */
  42 #define EFX_WORKAROUND_5129 EFX_WORKAROUND_FALCON_A
  43 /* iSCSI parsing errors */
  44 #define EFX_WORKAROUND_5583 EFX_WORKAROUND_FALCON_A
  45 /* RX events go missing */
  46 #define EFX_WORKAROUND_5676 EFX_WORKAROUND_FALCON_A
  47 /* RX_RESET on A1 */
  48 #define EFX_WORKAROUND_6555 EFX_WORKAROUND_FALCON_A
  49 /* Increase filter depth to avoid RX_RESET */
  50 #define EFX_WORKAROUND_7244 EFX_WORKAROUND_FALCON_A
  51 /* Flushes may never complete */
  52 #define EFX_WORKAROUND_7803 EFX_WORKAROUND_FALCON_A
  53 /* Leak overlength packets rather than free */
  54 #define EFX_WORKAROUND_8071 EFX_WORKAROUND_FALCON_A
  55
  56 #endif /* EFX_WORKAROUNDS_H */