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Annotation of sys/dev/pci/if_iwivar.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: if_iwivar.h,v 1.18 2006/08/19 12:03:05 damien Exp $   */
        !             2:
        !             3: /*-
        !             4:  * Copyright (c) 2004-2006
        !             5:  *      Damien Bergamini <damien.bergamini@free.fr>. 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 unmodified, this list of conditions, and the following
        !            12:  *    disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  *
        !            17:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
        !            18:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            19:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            20:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
        !            21:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            22:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            23:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            24:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            25:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            26:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            27:  * SUCH DAMAGE.
        !            28:  */
        !            29:
        !            30: struct iwi_rx_radiotap_header {
        !            31:        struct ieee80211_radiotap_header wr_ihdr;
        !            32:        uint8_t         wr_flags;
        !            33:        uint8_t         wr_rate;
        !            34:        uint16_t        wr_chan_freq;
        !            35:        uint16_t        wr_chan_flags;
        !            36:        uint8_t         wr_antsignal;
        !            37:        uint8_t         wr_antenna;
        !            38: } __packed;
        !            39:
        !            40: #define IWI_RX_RADIOTAP_PRESENT                                                \
        !            41:        ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
        !            42:         (1 << IEEE80211_RADIOTAP_RATE) |                               \
        !            43:         (1 << IEEE80211_RADIOTAP_CHANNEL) |                            \
        !            44:         (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) |                       \
        !            45:         (1 << IEEE80211_RADIOTAP_ANTENNA))
        !            46:
        !            47: struct iwi_tx_radiotap_header {
        !            48:        struct ieee80211_radiotap_header wt_ihdr;
        !            49:        uint8_t         wt_flags;
        !            50:        uint16_t        wt_chan_freq;
        !            51:        uint16_t        wt_chan_flags;
        !            52: } __packed;
        !            53:
        !            54: #define IWI_TX_RADIOTAP_PRESENT                                                \
        !            55:        ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
        !            56:         (1 << IEEE80211_RADIOTAP_CHANNEL))
        !            57:
        !            58:
        !            59: struct iwi_cmd_ring {
        !            60:        bus_dmamap_t            map;
        !            61:        bus_dma_segment_t       seg;
        !            62:        struct iwi_cmd_desc     desc[IWI_CMD_RING_COUNT];
        !            63:        int                     queued;
        !            64:        int                     cur;
        !            65:        int                     next;
        !            66: };
        !            67:
        !            68: struct iwi_tx_data {
        !            69:        bus_dmamap_t            map;
        !            70:        struct mbuf             *m;
        !            71:        struct ieee80211_node   *ni;
        !            72: };
        !            73:
        !            74: struct iwi_tx_ring {
        !            75:        bus_dmamap_t            map;
        !            76:        bus_dma_segment_t       seg;
        !            77:        bus_size_t              csr_ridx;
        !            78:        bus_size_t              csr_widx;
        !            79:        struct iwi_tx_desc      *desc;
        !            80:        struct iwi_tx_data      data[IWI_TX_RING_COUNT];
        !            81:        int                     queued;
        !            82:        int                     cur;
        !            83:        int                     next;
        !            84: };
        !            85:
        !            86: struct iwi_rx_data {
        !            87:        bus_dmamap_t            map;
        !            88:        struct mbuf             *m;
        !            89:        uint32_t                reg;
        !            90: };
        !            91:
        !            92: struct iwi_rx_ring {
        !            93:        struct iwi_rx_data      data[IWI_RX_RING_COUNT];
        !            94:        int                     cur;
        !            95: };
        !            96:
        !            97: struct iwi_softc {
        !            98:        struct device           sc_dev;
        !            99:
        !           100:        struct ieee80211com     sc_ic;
        !           101:        int                     (*sc_newstate)(struct ieee80211com *,
        !           102:                                    enum ieee80211_state, int);
        !           103:
        !           104:        uint32_t                flags;
        !           105: #define IWI_FLAG_FW_INITED     (1 << 0)
        !           106:
        !           107:        bus_dma_tag_t           sc_dmat;
        !           108:
        !           109:        struct iwi_cmd_ring     cmdq;
        !           110:        struct iwi_tx_ring      txq[4];
        !           111:        struct iwi_rx_ring      rxq;
        !           112:
        !           113: #define IWI_MAX_NODE   32
        !           114:        uint8_t                 sta[IWI_MAX_NODE][IEEE80211_ADDR_LEN];
        !           115:        uint8_t                 nsta;
        !           116:
        !           117:        bus_space_tag_t         sc_st;
        !           118:        bus_space_handle_t      sc_sh;
        !           119:        void                    *sc_ih;
        !           120:        pci_chipset_tag_t       sc_pct;
        !           121:        pcitag_t                sc_pcitag;
        !           122:        bus_size_t              sc_sz;
        !           123:
        !           124:        int                     sc_tx_timer;
        !           125:
        !           126:        void                    *powerhook;
        !           127:
        !           128: #if NBPFILTER > 0
        !           129:        caddr_t                 sc_drvbpf;
        !           130:
        !           131:        union {
        !           132:                struct iwi_rx_radiotap_header th;
        !           133:                uint8_t pad[64];
        !           134:        } sc_rxtapu;
        !           135: #define sc_rxtap       sc_rxtapu.th
        !           136:        int                     sc_rxtap_len;
        !           137:
        !           138:        union {
        !           139:                struct iwi_tx_radiotap_header th;
        !           140:                uint8_t pad[64];
        !           141:        } sc_txtapu;
        !           142: #define sc_txtap       sc_txtapu.th
        !           143:        int                     sc_txtap_len;
        !           144: #endif
        !           145: };