sys/dev/netif/nfe/if_nfevar.h

   1 /*      $OpenBSD: if_nfevar.h,v 1.11 2006/02/19 13:57:02 damien Exp $   */
   2 /*      $DragonFly: src/sys/dev/netif/nfe/if_nfevar.h,v 1.3 2007/09/10 14:08:28 sephe 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         struct mbuf     *m;
  25 };
  26
  27 struct nfe_tx_ring {
  28         bus_dma_tag_t           tag;
  29         bus_dmamap_t            map;
  30         bus_addr_t              physaddr;
  31         struct nfe_desc32       *desc32;
  32         struct nfe_desc64       *desc64;
  33
  34         bus_dma_tag_t           data_tag;
  35         struct nfe_tx_data      data[NFE_TX_RING_COUNT];
  36         int                     queued;
  37         int                     cur;
  38         int                     next;
  39 };
  40
  41 struct nfe_softc;
  42
  43 struct nfe_jbuf {
  44         struct nfe_softc        *sc;
  45         struct nfe_rx_ring      *ring;
  46         int                     inuse;
  47         int                     slot;
  48         caddr_t                 buf;
  49         bus_addr_t              physaddr;
  50         SLIST_ENTRY(nfe_jbuf)   jnext;
  51 };
  52
  53 struct nfe_rx_data {
  54         bus_dmamap_t    map;
  55         struct mbuf     *m;
  56 };
  57
  58 struct nfe_rx_ring {
  59         bus_dma_tag_t           tag;
  60         bus_dmamap_t            map;
  61         bus_addr_t              physaddr;
  62         struct nfe_desc32       *desc32;
  63         struct nfe_desc64       *desc64;
  64
  65         bus_dma_tag_t           jtag;
  66         bus_dmamap_t            jmap;
  67         caddr_t                 jpool;
  68         struct nfe_jbuf         *jbuf;
  69         SLIST_HEAD(, nfe_jbuf)  jfreelist;
  70
  71         bus_dma_tag_t           data_tag;
  72         bus_dmamap_t            data_tmpmap;
  73         struct nfe_rx_data      *data;
  74         int                     bufsz;
  75         int                     cur;
  76         int                     next;
  77 };
  78
  79 struct nfe_softc {
  80         struct arpcom           arpcom;
  81
  82         int                     sc_mem_rid;
  83         struct resource         *sc_mem_res;
  84         bus_space_handle_t      sc_memh;
  85         bus_space_tag_t         sc_memt;
  86
  87         int                     sc_irq_rid;
  88         struct resource         *sc_irq_res;
  89         void                    *sc_ih;
  90
  91         device_t                sc_miibus;
  92         struct callout          sc_tick_ch;
  93         void                    *sc_powerhook;
  94
  95         int                     sc_if_flags;
  96         u_int                   sc_flags;
  97 #define NFE_JUMBO_SUP   0x01
  98 #define NFE_40BIT_ADDR  0x02
  99 #define NFE_HW_CSUM     0x04
 100 #define NFE_HW_VLAN     0x08
 101 #define NFE_USE_JUMBO   0x10
 102
 103         uint32_t                rxtxctl;
 104         uint8_t                 mii_phyaddr;
 105
 106         struct nfe_tx_ring      txq;
 107         struct nfe_rx_ring      rxq;
 108
 109         uint32_t                sc_irq_enable;
 110         int                     sc_imtime;
 111         int                     sc_rx_ring_count;
 112         int                     sc_debug;
 113         struct sysctl_ctx_list  sc_sysctl_ctx;
 114         struct sysctl_oid       *sc_sysctl_tree;
 115
 116         struct lwkt_serialize   sc_jbuf_serializer;
 117 };
 118
 119 #define NFE_IRQ_ENABLE(sc)      \
 120         ((sc)->sc_imtime < 0 ? NFE_IRQ_NOIMTIMER : NFE_IRQ_IMTIMER)