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Annotation of sys/dev/pci/if_nfevar.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: if_nfevar.h,v 1.11 2006/02/19 13:57:02 damien Exp $   */
                      2:
                      3: /*-
                      4:  * Copyright (c) 2005 Jonathan Gray <jsg@openbsd.org>
                      5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     15:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     16:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
                     18:
                     19: #define NFE_IFQ_MAXLEN 64
                     20:
                     21: struct nfe_tx_data {
                     22:        bus_dmamap_t    map;
                     23:        bus_dmamap_t    active;
                     24:        struct mbuf     *m;
                     25: };
                     26:
                     27: struct nfe_tx_ring {
                     28:        bus_dmamap_t            map;
                     29:        bus_dma_segment_t       seg;
                     30:        bus_addr_t              physaddr;
                     31:        struct nfe_desc32       *desc32;
                     32:        struct nfe_desc64       *desc64;
                     33:        struct nfe_tx_data      data[NFE_TX_RING_COUNT];
                     34:        int                     queued;
                     35:        int                     cur;
                     36:        int                     next;
                     37: };
                     38:
                     39: struct nfe_jbuf {
                     40:        caddr_t                 buf;
                     41:        bus_addr_t              physaddr;
                     42:        SLIST_ENTRY(nfe_jbuf)   jnext;
                     43: };
                     44:
                     45: struct nfe_rx_data {
                     46:        bus_dmamap_t    map;
                     47:        struct mbuf     *m;
                     48: };
                     49:
                     50: struct nfe_rx_ring {
                     51:        bus_dmamap_t            map;
                     52:        bus_dma_segment_t       seg;
                     53:        bus_dmamap_t            jmap;
                     54:        bus_dma_segment_t       jseg;
                     55:        bus_addr_t              physaddr;
                     56:        struct nfe_desc32       *desc32;
                     57:        struct nfe_desc64       *desc64;
                     58:        caddr_t                 jpool;
                     59:        struct nfe_rx_data      data[NFE_RX_RING_COUNT];
                     60:        struct nfe_jbuf         jbuf[NFE_JPOOL_COUNT];
                     61:        SLIST_HEAD(, nfe_jbuf)  jfreelist;
                     62:        int                     bufsz;
                     63:        int                     cur;
                     64:        int                     next;
                     65: };
                     66:
                     67: struct nfe_softc {
                     68:        struct device           sc_dev;
                     69:        struct arpcom           sc_arpcom;
                     70:        bus_space_handle_t      sc_memh;
                     71:        bus_space_tag_t         sc_memt;
                     72:        void                    *sc_ih;
                     73:        bus_dma_tag_t           sc_dmat;
                     74:        struct mii_data         sc_mii;
                     75:        struct timeout          sc_tick_ch;
                     76:        void                    *sc_powerhook;
                     77:
                     78:        int                     sc_if_flags;
                     79:        u_int                   sc_flags;
                     80: #define NFE_JUMBO_SUP  0x01
                     81: #define NFE_40BIT_ADDR 0x02
                     82: #define NFE_HW_CSUM    0x04
                     83: #define NFE_HW_VLAN    0x08
                     84: #define NFE_USE_JUMBO  0x10
                     85:
                     86:        uint32_t                rxtxctl;
                     87:        uint8_t                 mii_phyaddr;
                     88:
                     89:        struct nfe_tx_ring      txq;
                     90:        struct nfe_rx_ring      rxq;
                     91: };