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 int8_t wr_antsignal; 35 int8_t wr_antnoise; 36 uint8_t wr_antenna; 37 } __packed __aligned(8); 38 39 #define RAL_RX_RADIOTAP_PRESENT \ 40 ((1 << IEEE80211_RADIOTAP_FLAGS) | \ 41 (1 << IEEE80211_RADIOTAP_RATE) | \ 42 (1 << IEEE80211_RADIOTAP_CHANNEL) | \ 43 (1 << IEEE80211_RADIOTAP_ANTENNA) | \ 44 (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | \ 45 (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE)) 46 47 struct ural_tx_radiotap_header { 48 struct ieee80211_radiotap_header wt_ihdr; 49 uint8_t wt_flags; 50 uint8_t wt_rate; 51 uint16_t wt_chan_freq; 52 uint16_t wt_chan_flags; 53 uint8_t wt_antenna; 54 } __packed; 55 56 #define RAL_TX_RADIOTAP_PRESENT \ 57 ((1 << IEEE80211_RADIOTAP_FLAGS) | \ 58 (1 << IEEE80211_RADIOTAP_RATE) | \ 59 (1 << IEEE80211_RADIOTAP_CHANNEL) | \ 60 (1 << IEEE80211_RADIOTAP_ANTENNA)) 61 62 struct ural_softc; 63 64 struct ural_tx_data { 65 STAILQ_ENTRY(ural_tx_data) next; 66 struct ural_softc *sc; 67 struct ural_tx_desc desc; 68 struct mbuf *m; 69 struct ieee80211_node *ni; 70 int rate; 71 }; 72 typedef STAILQ_HEAD(, ural_tx_data) ural_txdhead; 73 74 struct ural_vap { 75 struct ieee80211vap vap; 76 77 struct usb_callout ratectl_ch; 78 struct task ratectl_task; 79 80 int (*newstate)(struct ieee80211vap *, 81 enum ieee80211_state, int); 82 }; 83 #define URAL_VAP(vap) ((struct ural_vap *)(vap)) 84 85 enum { 86 URAL_BULK_WR, 87 URAL_BULK_RD, 88 URAL_N_TRANSFER = 2, 89 }; 90 91 struct ural_softc { 92 struct ieee80211com sc_ic; 93 struct ieee80211_ratectl_tx_stats sc_txs; 94 struct mbufq sc_snd; 95 device_t sc_dev; 96 struct usb_device *sc_udev; 97 98 uint32_t asic_rev; 99 uint8_t rf_rev; 100 101 struct usb_xfer *sc_xfer[URAL_N_TRANSFER]; 102 103 struct ural_tx_data tx_data[RAL_TX_LIST_COUNT]; 104 ural_txdhead tx_q; 105 ural_txdhead tx_free; 106 int tx_nfree; 107 struct ural_rx_desc sc_rx_desc; 108 109 struct mtx sc_mtx; 110 111 uint16_t sta[11]; 112 uint32_t rf_regs[4]; 113 uint8_t txpow[14]; 114 u_int sc_detached:1, 115 sc_running:1; 116 117 uint8_t sc_bssid[IEEE80211_ADDR_LEN]; 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 struct ural_tx_radiotap_header sc_txtap; 132 }; 133 134 #define RAL_LOCK(sc) mtx_lock(&(sc)->sc_mtx) 135 #define RAL_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx) 136 #define RAL_LOCK_ASSERT(sc, t) mtx_assert(&(sc)->sc_mtx, t) 137