drivers/net/sfc/enum.h

   1 /****************************************************************************
   2  * Driver for Solarflare Solarstorm network controllers and boards
   3  * Copyright 2007-2008 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_ENUM_H
  11 #define EFX_ENUM_H
  12
  13 /**
  14  * enum efx_loopback_mode - loopback modes
  15  * @LOOPBACK_NONE: no loopback
  16  * @LOOPBACK_GMAC: loopback within GMAC at unspecified level
  17  * @LOOPBACK_XGMII: loopback within XMAC at XGMII level
  18  * @LOOPBACK_XGXS: loopback within XMAC at XGXS level
  19  * @LOOPBACK_XAUI: loopback within XMAC at XAUI level
  20  * @LOOPBACK_GPHY: loopback within 1G PHY at unspecified level
  21  * @LOOPBACK_PHYXS: loopback within 10G PHY at PHYXS level
  22  * @LOOPBACK_PCS: loopback within 10G PHY at PCS level
  23  * @LOOPBACK_PMAPMD: loopback within 10G PHY at PMAPMD level
  24  * @LOOPBACK_NETWORK: reflecting loopback (even further than furthest!)
  25  */
  26 /* Please keep in order and up-to-date w.r.t the following two #defines */
  27 enum efx_loopback_mode {
  28         LOOPBACK_NONE = 0,
  29         LOOPBACK_GMAC = 1,
  30         LOOPBACK_XGMII = 2,
  31         LOOPBACK_XGXS = 3,
  32         LOOPBACK_XAUI = 4,
  33         LOOPBACK_GPHY = 5,
  34         LOOPBACK_PHYXS = 6,
  35         LOOPBACK_PCS = 7,
  36         LOOPBACK_PMAPMD = 8,
  37         LOOPBACK_NETWORK = 9,
  38         LOOPBACK_MAX
  39 };
  40
  41 #define LOOPBACK_TEST_MAX LOOPBACK_PMAPMD
  42
  43 extern const char *efx_loopback_mode_names[];
  44 #define LOOPBACK_MODE_NAME(mode)                        \
  45         STRING_TABLE_LOOKUP(mode, efx_loopback_mode)
  46 #define LOOPBACK_MODE(efx)                              \
  47         LOOPBACK_MODE_NAME(efx->loopback_mode)
  48
  49 /* These loopbacks occur within the controller */
  50 #define LOOPBACKS_INTERNAL ((1 << LOOPBACK_GMAC) |     \
  51                             (1 << LOOPBACK_XGMII)|     \
  52                             (1 << LOOPBACK_XGXS) |     \
  53                             (1 << LOOPBACK_XAUI))
  54
  55 #define LOOPBACK_MASK(_efx)                     \
  56         (1 << (_efx)->loopback_mode)
  57
  58 #define LOOPBACK_INTERNAL(_efx)                         \
  59         (!!(LOOPBACKS_INTERNAL & LOOPBACK_MASK(_efx)))
  60
  61 #define LOOPBACK_CHANGED(_from, _to, _mask)                             \
  62         (!!((LOOPBACK_MASK(_from) ^ LOOPBACK_MASK(_to)) & (_mask)))
  63
  64 #define LOOPBACK_OUT_OF(_from, _to, _mask)                              \
  65         ((LOOPBACK_MASK(_from) & (_mask)) && !(LOOPBACK_MASK(_to) & (_mask)))
  66
  67 /*****************************************************************************/
  68
  69 /**
  70  * enum reset_type - reset types
  71  *
  72  * %RESET_TYPE_INVSIBLE, %RESET_TYPE_ALL, %RESET_TYPE_WORLD and
  73  * %RESET_TYPE_DISABLE specify the method/scope of the reset.  The
  74  * other valuesspecify reasons, which efx_schedule_reset() will choose
  75  * a method for.
  76  *
  77  * @RESET_TYPE_INVISIBLE: don't reset the PHYs or interrupts
  78  * @RESET_TYPE_ALL: reset everything but PCI core blocks
  79  * @RESET_TYPE_WORLD: reset everything, save & restore PCI config
  80  * @RESET_TYPE_DISABLE: disable NIC
  81  * @RESET_TYPE_TX_WATCHDOG: reset due to TX watchdog
  82  * @RESET_TYPE_INT_ERROR: reset due to internal error
  83  * @RESET_TYPE_RX_RECOVERY: reset to recover from RX datapath errors
  84  * @RESET_TYPE_RX_DESC_FETCH: pcie error during rx descriptor fetch
  85  * @RESET_TYPE_TX_DESC_FETCH: pcie error during tx descriptor fetch
  86  * @RESET_TYPE_TX_SKIP: hardware completed empty tx descriptors
  87  */
  88 enum reset_type {
  89         RESET_TYPE_NONE = -1,
  90         RESET_TYPE_INVISIBLE = 0,
  91         RESET_TYPE_ALL = 1,
  92         RESET_TYPE_WORLD = 2,
  93         RESET_TYPE_DISABLE = 3,
  94         RESET_TYPE_MAX_METHOD,
  95         RESET_TYPE_TX_WATCHDOG,
  96         RESET_TYPE_INT_ERROR,
  97         RESET_TYPE_RX_RECOVERY,
  98         RESET_TYPE_RX_DESC_FETCH,
  99         RESET_TYPE_TX_DESC_FETCH,
 100         RESET_TYPE_TX_SKIP,
 101         RESET_TYPE_MAX,
 102 };
 103
 104 #endif /* EFX_ENUM_H */