sys/dev/pci/if_nfevar.h

   1 /*      $NetBSD: if_nfevar.h,v 1.8 2008/04/17 19:12:26 christos Exp $   */
   2 /*      $OpenBSD: if_nfevar.h,v 1.13 2007/12/05 08:30:33 jsg Exp $      */
   3
   4 /*-
   5  * Copyright (c) 2005 Jonathan Gray <jsg@openbsd.org>
   6  *
   7  * Permission to use, copy, modify, and distribute this software for any
   8  * purpose with or without fee is hereby granted, provided that the above
   9  * copyright notice and this permission notice appear in all copies.
  10  *
  11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  18  */
  19
  20 #define NFE_IFQ_MAXLEN  64
  21
  22 struct nfe_tx_data {
  23         bus_dmamap_t    map;
  24         bus_dmamap_t    active;
  25         struct mbuf     *m;
  26 };
  27
  28 struct nfe_tx_ring {
  29         bus_dmamap_t            map;
  30         bus_dma_segment_t       seg;
  31         bus_addr_t              physaddr;
  32         struct nfe_desc32       *desc32;
  33         struct nfe_desc64       *desc64;
  34         struct nfe_tx_data      data[NFE_TX_RING_COUNT];
  35         int                     queued;
  36         int                     cur;
  37         int                     next;
  38 };
  39
  40 struct nfe_jbuf {
  41         void                    *buf;
  42         bus_addr_t              physaddr;
  43         SLIST_ENTRY(nfe_jbuf)   jnext;
  44 };
  45
  46 struct nfe_rx_data {
  47         bus_dmamap_t    map;
  48         struct mbuf     *m;
  49 };
  50
  51 struct nfe_rx_ring {
  52         bus_dmamap_t            map;
  53         bus_dma_segment_t       seg;
  54         bus_dmamap_t            jmap;
  55         bus_dma_segment_t       jseg;
  56         bus_addr_t              physaddr;
  57         struct nfe_desc32       *desc32;
  58         struct nfe_desc64       *desc64;
  59         void                    *jpool;
  60         struct nfe_rx_data      data[NFE_RX_RING_COUNT];
  61         struct nfe_jbuf         jbuf[NFE_JPOOL_COUNT];
  62         int                     jbufmap[NFE_RX_RING_COUNT];
  63         SLIST_HEAD(, nfe_jbuf)  jfreelist;
  64         int                     bufsz;
  65         int                     cur;
  66         int                     next;
  67         kmutex_t                mtx;
  68 };
  69
  70 struct nfe_softc {
  71         device_t                sc_dev;
  72         struct ethercom         sc_ethercom;
  73         uint8_t                 sc_enaddr[ETHER_ADDR_LEN];
  74         bus_space_handle_t      sc_memh;
  75         bus_space_tag_t         sc_memt;
  76         void                    *sc_ih;
  77         bus_dma_tag_t           sc_dmat;
  78         struct mii_data         sc_mii;
  79         struct callout          sc_tick_ch;
  80
  81         int                     sc_if_flags;
  82         u_int                   sc_flags;
  83 #define NFE_JUMBO_SUP           0x01
  84 #define NFE_40BIT_ADDR          0x02
  85 #define NFE_HW_CSUM             0x04
  86 #define NFE_HW_VLAN             0x08
  87 #define NFE_USE_JUMBO           0x10
  88 #define NFE_CORRECT_MACADDR     0x20
  89 #define NFE_PWR_MGMT            0x40
  90
  91         uint32_t                rxtxctl;
  92         uint8_t                 mii_phyaddr;
  93
  94         struct nfe_tx_ring      txq;
  95         struct nfe_rx_ring      rxq;
  96 };