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 1.13 2008/07/12 11:44:17 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 struct nfe_tx_data {
  21         bus_dmamap_t    map;
  22         struct mbuf     *m;
  23 };
  24
  25 struct nfe_tx_ring {
  26         bus_dma_tag_t           tag;
  27         bus_dmamap_t            map;
  28         bus_addr_t              physaddr;
  29         struct nfe_desc32       *desc32;
  30         struct nfe_desc64       *desc64;
  31
  32         bus_dma_tag_t           data_tag;
  33         struct nfe_tx_data      *data;
  34         int                     queued;
  35         int                     cur;
  36         int                     next;
  37 };
  38
  39 struct nfe_softc;
  40
  41 struct nfe_jbuf {
  42         struct nfe_softc        *sc;
  43         struct nfe_rx_ring      *ring;
  44         int                     inuse;
  45         int                     slot;
  46         caddr_t                 buf;
  47         bus_addr_t              physaddr;
  48         SLIST_ENTRY(nfe_jbuf)   jnext;
  49 };
  50
  51 struct nfe_rx_data {
  52         bus_dmamap_t    map;
  53         struct mbuf     *m;
  54 };
  55
  56 struct nfe_rx_ring {
  57         bus_dma_tag_t           tag;
  58         bus_dmamap_t            map;
  59         bus_addr_t              physaddr;
  60         struct nfe_desc32       *desc32;
  61         struct nfe_desc64       *desc64;
  62
  63         bus_dma_tag_t           jtag;
  64         bus_dmamap_t            jmap;
  65         caddr_t                 jpool;
  66         struct nfe_jbuf         *jbuf;
  67         SLIST_HEAD(, nfe_jbuf)  jfreelist;
  68
  69         bus_dma_tag_t           data_tag;
  70         bus_dmamap_t            data_tmpmap;
  71         struct nfe_rx_data      *data;
  72         int                     bufsz;
  73         int                     cur;
  74         int                     next;
  75 };
  76
  77 struct nfe_softc {
  78         struct arpcom           arpcom;
  79
  80         int                     sc_mem_rid;
  81         struct resource         *sc_mem_res;
  82         bus_space_handle_t      sc_memh;
  83         bus_space_tag_t         sc_memt;
  84
  85         int                     sc_irq_rid;
  86         struct resource         *sc_irq_res;
  87         void                    *sc_ih;
  88
  89         device_t                sc_miibus;
  90         struct callout          sc_tick_ch;
  91
  92         int                     sc_if_flags;
  93         uint32_t                sc_caps;        /* hardware capabilities */
  94 #define NFE_JUMBO_SUP   0x01
  95 #define NFE_40BIT_ADDR  0x02
  96 #define NFE_HW_CSUM     0x04
  97 #define NFE_HW_VLAN     0x08
  98 #define NFE_FIX_EADDR   0x10
  99 #define NFE_NO_PWRCTL   0x20
 100
 101         uint32_t                sc_flags;
 102 #define NFE_F_USE_JUMBO 0x01    /* use jumbo frame */
 103 #define NFE_F_DYN_IM    0x02    /* enable dynamic interrupt moderation */
 104 #define NFE_F_IRQ_TIMER 0x04    /* hardware timer irq is used */
 105
 106         uint32_t                rxtxctl_desc;
 107         uint32_t                rxtxctl;
 108         uint8_t                 mii_phyaddr;
 109
 110         struct nfe_tx_ring      txq;
 111         struct nfe_rx_ring      rxq;
 112
 113         uint32_t                sc_irq_enable;
 114         int                     sc_tx_spare;
 115         int                     sc_imtime;
 116         int                     sc_rx_ring_count;
 117         int                     sc_tx_ring_count;
 118         int                     sc_debug;
 119         struct sysctl_ctx_list  sc_sysctl_ctx;
 120         struct sysctl_oid       *sc_sysctl_tree;
 121
 122         struct lwkt_serialize   sc_jbuf_serializer;
 123 };
 124
 125 #define NFE_IRQ_ENABLE(sc)      \
 126         ((sc)->sc_imtime == 0 ? NFE_IRQ_NOIMTIMER : \
 127          (((sc)->sc_flags & NFE_F_DYN_IM) ? NFE_IRQ_NOIMTIMER: NFE_IRQ_IMTIMER))