if_aevar.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2008 Stanislav Sedov <stas@FreeBSD.org>.
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   26  *
   27  * $FreeBSD$
   28  */
   29 
   30 #ifndef IF_AEVAR_H
   31 #define IF_AEVAR_H
   32 
   33 /*
   34  * Supported chips identifiers.
   35 */
   36 #define VENDORID_ATTANSIC       0x1969
   37 #define DEVICEID_ATTANSIC_L2    0x2048
   38 
   39 /* How much to wait for reset to complete (10 microsecond units). */
   40 #define AE_RESET_TIMEOUT        100
   41 
   42 /* How much to wait for device to enter idle state (100 microsecond units). */
   43 #define AE_IDLE_TIMEOUT         100
   44 
   45 /* How much to wait for MDIO to do the work (2 microsecond units). */
   46 #define AE_MDIO_TIMEOUT         10
   47 
   48 /* How much to wait for VPD reading operation to complete (2 ms units). */
   49 #define AE_VPD_TIMEOUT          10
   50 
   51 /* How much to wait for send operation to complete (HZ units). */
   52 #define AE_TX_TIMEOUT           5
   53 
   54 /* Default PHY address. */
   55 #define AE_PHYADDR_DEFAULT      0
   56 
   57 /* Tx packet descriptor header format. */
   58 typedef struct ae_txd {
   59         uint16_t        len;
   60         uint16_t        vlan;
   61 } __packed ae_txd_t;
   62 
   63 /* Tx status descriptor format. */
   64 typedef struct ae_txs {
   65         uint16_t        len;
   66         uint16_t        flags;
   67 } __packed ae_txs_t;
   68 
   69 /* Rx packet descriptor format. */
   70 typedef struct ae_rxd {
   71         uint16_t        len;
   72         uint16_t        flags;
   73         uint16_t        vlan;
   74         uint16_t        __pad;
   75         uint8_t         data[1528];
   76 } __packed ae_rxd_t;
   77 
   78 /* Statistics. */
   79 typedef struct ae_stats {
   80         uint32_t        rx_bcast;
   81         uint32_t        rx_mcast;
   82         uint32_t        rx_pause;
   83         uint32_t        rx_ctrl;
   84         uint32_t        rx_crcerr;
   85         uint32_t        rx_codeerr;
   86         uint32_t        rx_runt;
   87         uint32_t        rx_frag;
   88         uint32_t        rx_trunc;
   89         uint32_t        rx_align;
   90         uint32_t        tx_bcast;
   91         uint32_t        tx_mcast;
   92         uint32_t        tx_pause;
   93         uint32_t        tx_ctrl;
   94         uint32_t        tx_defer;
   95         uint32_t        tx_excdefer;
   96         uint32_t        tx_singlecol;
   97         uint32_t        tx_multicol;
   98         uint32_t        tx_latecol;
   99         uint32_t        tx_abortcol;
  100         uint32_t        tx_underrun;
  101 } ae_stats_t;
  102 
  103 /* Software state structure. */
  104 typedef struct ae_softc {
  105         struct ifnet            *ifp;
  106         device_t                dev;
  107         device_t                miibus;
  108         struct resource         *mem[1];
  109         struct resource_spec    *spec_mem;
  110         struct resource         *irq[1];
  111         struct resource_spec    *spec_irq;
  112         void                    *intrhand;
  113 
  114         struct mtx              mtx;
  115 
  116         uint8_t                 eaddr[ETHER_ADDR_LEN];
  117         uint8_t                 flags;
  118         int                     if_flags;
  119 
  120         struct callout          tick_ch;
  121 
  122         /* Tasks. */
  123         struct task             int_task;
  124         struct task             link_task;
  125         struct taskqueue        *tq;
  126 
  127         /* DMA tags. */
  128         bus_dma_tag_t           dma_parent_tag;
  129         bus_dma_tag_t           dma_rxd_tag;
  130         bus_dma_tag_t           dma_txd_tag;
  131         bus_dma_tag_t           dma_txs_tag;
  132         bus_dmamap_t            dma_rxd_map;
  133         bus_dmamap_t            dma_txd_map;
  134         bus_dmamap_t            dma_txs_map;
  135 
  136         bus_addr_t              dma_rxd_busaddr;
  137         bus_addr_t              dma_txd_busaddr;
  138         bus_addr_t              dma_txs_busaddr;
  139 
  140         char                    *rxd_base_dma;  /* Start of allocated area. */
  141         ae_rxd_t                *rxd_base;      /* Start of RxD ring. */
  142         char                    *txd_base;      /* Start of TxD ring. */
  143         ae_txs_t                *txs_base;      /* Start of TxS ring. */
  144 
  145         /* Ring pointers. */
  146         unsigned int            rxd_cur;
  147         unsigned int            txd_cur;
  148         unsigned int            txs_cur;
  149         unsigned int            txs_ack;
  150         unsigned int            txd_ack;
  151 
  152         int                     tx_inproc;      /* Active Tx frames in ring. */
  153         int                     wd_timer;
  154 
  155         ae_stats_t              stats;
  156 } ae_softc_t;
  157 
  158 #define AE_LOCK(_sc)            mtx_lock(&(_sc)->mtx)
  159 #define AE_UNLOCK(_sc)          mtx_unlock(&(_sc)->mtx)
  160 #define AE_LOCK_ASSERT(_sc)     mtx_assert(&(_sc)->mtx, MA_OWNED)
  161 
  162 #define BUS_ADDR_LO(x)          ((uint64_t) (x) & 0xFFFFFFFF)
  163 #define BUS_ADDR_HI(x)          ((uint64_t) (x) >> 32)
  164 
  165 #define AE_FLAG_LINK            0x01    /* Has link. */
  166 #define AE_FLAG_DETACH          0x02    /* Is detaching. */
  167 #define AE_FLAG_TXAVAIL         0x04    /* Tx'es available. */
  168 #define AE_FLAG_MSI             0x08    /* Using MSI. */
  169 #define AE_FLAG_PMG             0x10    /* Supports PCI power management. */
  170 
  171 #endif  /* IF_AEVAR_H */

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FreeBSD/Linux Kernel Cross Reference sys/dev/ae/if_aevar.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/ae/if_aevar.h