1 /* $FreeBSD$ */ 2 3 /*- 4 * Copyright (c) 2005 5 * Damien Bergamini <damien.bergamini@free.fr> 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 RAL_TX_LIST_COUNT 8 21 #define RAL_TX_MINFREE 2 22 23 #define URAL_SCAN_START 1 24 #define URAL_SCAN_END 2 25 #define URAL_SET_CHANNEL 3 26 27 28 struct ural_rx_radiotap_header { 29 struct ieee80211_radiotap_header wr_ihdr; 30 uint8_t wr_flags; 31 uint8_t wr_rate; 32 uint16_t wr_chan_freq; 33 uint16_t wr_chan_flags; 34 uint8_t wr_antenna; 35 uint8_t wr_antsignal; 36 }; 37 38 #define RAL_RX_RADIOTAP_PRESENT \ 39 ((1 << IEEE80211_RADIOTAP_FLAGS) | \ 40 (1 << IEEE80211_RADIOTAP_RATE) | \ 41 (1 << IEEE80211_RADIOTAP_CHANNEL) | \ 42 (1 << IEEE80211_RADIOTAP_ANTENNA) | \ 43 (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL)) 44 45 struct ural_tx_radiotap_header { 46 struct ieee80211_radiotap_header wt_ihdr; 47 uint8_t wt_flags; 48 uint8_t wt_rate; 49 uint16_t wt_chan_freq; 50 uint16_t wt_chan_flags; 51 uint8_t wt_antenna; 52 }; 53 54 #define RAL_TX_RADIOTAP_PRESENT \ 55 ((1 << IEEE80211_RADIOTAP_FLAGS) | \ 56 (1 << IEEE80211_RADIOTAP_RATE) | \ 57 (1 << IEEE80211_RADIOTAP_CHANNEL) | \ 58 (1 << IEEE80211_RADIOTAP_ANTENNA)) 59 60 struct ural_softc; 61 62 struct ural_tx_data { 63 STAILQ_ENTRY(ural_tx_data) next; 64 struct ural_softc *sc; 65 struct ural_tx_desc desc; 66 struct mbuf *m; 67 struct ieee80211_node *ni; 68 int rate; 69 }; 70 typedef STAILQ_HEAD(, ural_tx_data) ural_txdhead; 71 72 struct ural_node { 73 struct ieee80211_node ni; 74 struct ieee80211_amrr_node amn; 75 }; 76 #define URAL_NODE(ni) ((struct ural_node *)(ni)) 77 78 struct ural_vap { 79 struct ieee80211vap vap; 80 struct ieee80211_beacon_offsets bo; 81 struct ieee80211_amrr amrr; 82 struct usb2_callout amrr_ch; 83 struct task amrr_task; 84 85 int (*newstate)(struct ieee80211vap *, 86 enum ieee80211_state, int); 87 }; 88 #define URAL_VAP(vap) ((struct ural_vap *)(vap)) 89 90 enum { 91 URAL_BULK_WR, 92 URAL_BULK_RD, 93 URAL_N_TRANSFER = 2, 94 }; 95 96 struct ural_softc { 97 struct ifnet *sc_ifp; 98 device_t sc_dev; 99 struct usb2_device *sc_udev; 100 101 uint32_t asic_rev; 102 uint8_t rf_rev; 103 104 struct usb2_xfer *sc_xfer[URAL_N_TRANSFER]; 105 106 struct ural_tx_data tx_data[RAL_TX_LIST_COUNT]; 107 ural_txdhead tx_q; 108 ural_txdhead tx_free; 109 int tx_nfree; 110 struct ural_rx_desc sc_rx_desc; 111 112 struct mtx sc_mtx; 113 114 uint16_t sta[11]; 115 uint32_t rf_regs[4]; 116 uint8_t txpow[14]; 117 uint8_t sc_bssid[6]; 118 119 struct { 120 uint8_t val; 121 uint8_t reg; 122 } __packed bbp_prom[16]; 123 124 int led_mode; 125 int hw_radio; 126 int rx_ant; 127 int tx_ant; 128 int nb_ant; 129 130 struct ural_rx_radiotap_header sc_rxtap; 131 int sc_rxtap_len; 132 133 struct ural_tx_radiotap_header sc_txtap; 134 int sc_txtap_len; 135 }; 136 137 #define RAL_LOCK(sc) mtx_lock(&(sc)->sc_mtx) 138 #define RAL_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx) 139 #define RAL_LOCK_ASSERT(sc, t) mtx_assert(&(sc)->sc_mtx, t) 140