sys/dev/netif/ae/if_aevar.h

   1 /*-
   2  * Copyright (c) 2008 Stanislav Sedov <stas@FreeBSD.org>.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  17  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  *
  25  * $FreeBSD: src/sys/dev/ae/if_aevar.h,v 1.1.2.1.4.1 2009/04/15 03:14:26 kensmith Exp $
  26  */
  27
  28 #ifndef IF_AEVAR_H
  29 #define IF_AEVAR_H
  30
  31 /*
  32  * Supported chips identifiers.
  33 */
  34 #define VENDORID_ATTANSIC       0x1969
  35 #define DEVICEID_ATTANSIC_L2    0x2048
  36
  37 /* How much to wait for reset to complete (10 microsecond units). */
  38 #define AE_RESET_TIMEOUT        100
  39
  40 /* How much to wait for device to enter idle state (100 microsecond units). */
  41 #define AE_IDLE_TIMEOUT         100
  42
  43 /* How much to wait for MDIO to do the work (2 microsecond units). */
  44 #define AE_MDIO_TIMEOUT         10
  45
  46 /* How much to wait for VPD reading operation to complete (2 ms units). */
  47 #define AE_VPD_TIMEOUT          10
  48
  49 /* How much to wait for send operation to complete (HZ units). */
  50 #define AE_TX_TIMEOUT           5
  51
  52 /* Default PHY address. */
  53 #define AE_PHYADDR_DEFAULT      0
  54
  55 /* Tx packet descriptor header format. */
  56 struct ae_txd {
  57         uint16_t        len;
  58         uint16_t        vlan;
  59 } __packed;
  60
  61 /* Tx status descriptor format. */
  62 struct ae_txs {
  63         uint16_t        len;
  64         uint16_t        flags;
  65 } __packed;
  66
  67 /* Rx packet descriptor format. */
  68 struct ae_rxd {
  69         uint16_t        len;
  70         uint16_t        flags;
  71         uint16_t        vlan;
  72         uint16_t        __pad;
  73         uint8_t         data[1528];
  74 } __packed;
  75
  76 /* Statistics. */
  77 struct ae_stats {
  78         uint32_t        rx_bcast;
  79         uint32_t        rx_mcast;
  80         uint32_t        rx_pause;
  81         uint32_t        rx_ctrl;
  82         uint32_t        rx_crcerr;
  83         uint32_t        rx_codeerr;
  84         uint32_t        rx_runt;
  85         uint32_t        rx_frag;
  86         uint32_t        rx_trunc;
  87         uint32_t        rx_align;
  88         uint32_t        tx_bcast;
  89         uint32_t        tx_mcast;
  90         uint32_t        tx_pause;
  91         uint32_t        tx_ctrl;
  92         uint32_t        tx_defer;
  93         uint32_t        tx_excdefer;
  94         uint32_t        tx_singlecol;
  95         uint32_t        tx_multicol;
  96         uint32_t        tx_latecol;
  97         uint32_t        tx_abortcol;
  98         uint32_t        tx_underrun;
  99 };
 100
 101 /* Software state structure. */
 102 struct ae_softc {
 103         struct arpcom           arpcom;
 104         device_t                ae_dev;
 105
 106         int                     ae_mem_rid;
 107         struct resource         *ae_mem_res;
 108         bus_space_tag_t         ae_mem_bt;
 109         bus_space_handle_t      ae_mem_bh;
 110
 111         int                     ae_irq_rid;
 112         struct resource         *ae_irq_res;
 113         void                    *ae_irq_handle;
 114
 115         int                     ae_phyaddr;
 116         device_t                ae_miibus;
 117
 118         int                     ae_rev;
 119         int                     ae_chip_rev;
 120         uint8_t                 ae_eaddr[ETHER_ADDR_LEN];
 121         uint8_t                 ae_flags;
 122         int                     ae_if_flags;
 123
 124         struct callout          ae_tick_ch;
 125
 126         /* DMA tags. */
 127         bus_dma_tag_t           dma_parent_tag;
 128         bus_dma_tag_t           dma_rxd_tag;
 129         bus_dma_tag_t           dma_txd_tag;
 130         bus_dma_tag_t           dma_txs_tag;
 131         bus_dmamap_t            dma_rxd_map;
 132         bus_dmamap_t            dma_txd_map;
 133         bus_dmamap_t            dma_txs_map;
 134
 135         bus_addr_t              dma_rxd_busaddr;
 136         bus_addr_t              dma_txd_busaddr;
 137         bus_addr_t              dma_txs_busaddr;
 138
 139         uint8_t                 *rxd_base_dma;  /* Start of allocated area. */
 140         struct ae_rxd           *rxd_base;      /* Start of RxD ring. */
 141         uint8_t                 *txd_base;      /* Start of TxD ring. */
 142         struct ae_txs           *txs_base;      /* Start of TxS ring. */
 143
 144         /* Ring pointers. */
 145         unsigned int            rxd_cur;
 146         unsigned int            txd_cur;
 147         unsigned int            txs_cur;
 148         unsigned int            txs_ack;
 149         unsigned int            txd_ack;
 150
 151         int                     tx_inproc;      /* Active Tx frames in ring. */
 152         int                     wd_timer;       /* XXX remove */
 153
 154         struct ae_stats         stats;
 155 };
 156
 157 #define BUS_ADDR_LO(x)          ((uint64_t) (x) & 0xFFFFFFFF)
 158 #define BUS_ADDR_HI(x)          ((uint64_t) (x) >> 32)
 159
 160 #define AE_FLAG_LINK            0x01    /* Has link. */
 161 #define AE_FLAG_DETACH          0x02    /* Is detaching. */
 162 #define AE_FLAG_TXAVAIL         0x04    /* Tx'es available. */
 163 #define AE_FLAG_MSI             0x08    /* Using MSI. */
 164 #define AE_FLAG_PMG             0x10    /* Supports PCI power management. */
 165
 166 #endif  /* IF_AEVAR_H */