drivers/net/sfc/enum.h

   1 /****************************************************************************
   2  * Driver for Solarflare Solarstorm network controllers and boards
   3  * Copyright 2007 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_ENUM_H
  11 #define EFX_ENUM_H
  12
  13 /**
  14  * enum efx_loopback_mode - loopback modes
  15  * @LOOPBACK_NONE: no loopback
  16  * @LOOPBACK_XGMII: loopback within MAC at XGMII level
  17  * @LOOPBACK_XGXS: loopback within MAC at XGXS level
  18  * @LOOPBACK_XAUI: loopback within MAC at XAUI level
  19  * @LOOPBACK_PHYXS: loopback within PHY at PHYXS level
  20  * @LOOPBACK_PCS: loopback within PHY at PCS level
  21  * @LOOPBACK_PMAPMD: loopback within PHY at PMAPMD level
  22  * @LOOPBACK_NETWORK: reflecting loopback (even further than furthest!)
  23  */
  24 /* Please keep in order and up-to-date w.r.t the following two #defines */
  25 enum efx_loopback_mode {
  26         LOOPBACK_NONE = 0,
  27         LOOPBACK_MAC = 1,
  28         LOOPBACK_XGMII = 2,
  29         LOOPBACK_XGXS = 3,
  30         LOOPBACK_XAUI = 4,
  31         LOOPBACK_PHY = 5,
  32         LOOPBACK_PHYXS = 6,
  33         LOOPBACK_PCS = 7,
  34         LOOPBACK_PMAPMD = 8,
  35         LOOPBACK_NETWORK = 9,
  36         LOOPBACK_MAX
  37 };
  38
  39 #define LOOPBACK_TEST_MAX LOOPBACK_PMAPMD
  40
  41 extern const char *efx_loopback_mode_names[];
  42 #define LOOPBACK_MODE_NAME(mode)                        \
  43         STRING_TABLE_LOOKUP(mode, efx_loopback_mode)
  44 #define LOOPBACK_MODE(efx)                              \
  45         LOOPBACK_MODE_NAME(efx->loopback_mode)
  46
  47 /* These loopbacks occur within the controller */
  48 #define LOOPBACKS_10G_INTERNAL ((1 << LOOPBACK_XGMII)| \
  49                                 (1 << LOOPBACK_XGXS) | \
  50                                 (1 << LOOPBACK_XAUI))
  51
  52 #define LOOPBACK_MASK(_efx)                     \
  53         (1 << (_efx)->loopback_mode)
  54
  55 #define LOOPBACK_INTERNAL(_efx)                                         \
  56         ((LOOPBACKS_10G_INTERNAL & LOOPBACK_MASK(_efx)) ? 1 : 0)
  57
  58 #define LOOPBACK_OUT_OF(_from, _to, _mask)              \
  59         (((LOOPBACK_MASK(_from) & (_mask)) &&           \
  60           ((LOOPBACK_MASK(_to) & (_mask)) == 0)) ? 1 : 0)
  61
  62 /*****************************************************************************/
  63
  64 /**
  65  * enum reset_type - reset types
  66  *
  67  * %RESET_TYPE_INVSIBLE, %RESET_TYPE_ALL, %RESET_TYPE_WORLD and
  68  * %RESET_TYPE_DISABLE specify the method/scope of the reset.  The
  69  * other valuesspecify reasons, which efx_schedule_reset() will choose
  70  * a method for.
  71  *
  72  * @RESET_TYPE_INVISIBLE: don't reset the PHYs or interrupts
  73  * @RESET_TYPE_ALL: reset everything but PCI core blocks
  74  * @RESET_TYPE_WORLD: reset everything, save & restore PCI config
  75  * @RESET_TYPE_DISABLE: disable NIC
  76  * @RESET_TYPE_MONITOR: reset due to hardware monitor
  77  * @RESET_TYPE_INT_ERROR: reset due to internal error
  78  * @RESET_TYPE_RX_RECOVERY: reset to recover from RX datapath errors
  79  * @RESET_TYPE_RX_DESC_FETCH: pcie error during rx descriptor fetch
  80  * @RESET_TYPE_TX_DESC_FETCH: pcie error during tx descriptor fetch
  81  * @RESET_TYPE_TX_SKIP: hardware completed empty tx descriptors
  82  */
  83 enum reset_type {
  84         RESET_TYPE_NONE = -1,
  85         RESET_TYPE_INVISIBLE = 0,
  86         RESET_TYPE_ALL = 1,
  87         RESET_TYPE_WORLD = 2,
  88         RESET_TYPE_DISABLE = 3,
  89         RESET_TYPE_MAX_METHOD,
  90         RESET_TYPE_MONITOR,
  91         RESET_TYPE_INT_ERROR,
  92         RESET_TYPE_RX_RECOVERY,
  93         RESET_TYPE_RX_DESC_FETCH,
  94         RESET_TYPE_TX_DESC_FETCH,
  95         RESET_TYPE_TX_SKIP,
  96         RESET_TYPE_MAX,
  97 };
  98
  99 #endif /* EFX_ENUM_H */