1 /* $FreeBSD$ */ 2 3 /*- 4 * Copyright (c) 2005, 2006 Damien Bergamini <damien.bergamini@free.fr> 5 * Copyright (c) 2006 Niall O'Higgins <niallo@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 #define RUM_TX_LIST_COUNT 8 21 #define RUM_TX_MINFREE 2 22 23 struct rum_rx_radiotap_header { 24 struct ieee80211_radiotap_header wr_ihdr; 25 uint8_t wr_flags; 26 uint8_t wr_rate; 27 uint16_t wr_chan_freq; 28 uint16_t wr_chan_flags; 29 uint8_t wr_antenna; 30 uint8_t wr_antsignal; 31 }; 32 33 #define RT2573_RX_RADIOTAP_PRESENT \ 34 ((1 << IEEE80211_RADIOTAP_FLAGS) | \ 35 (1 << IEEE80211_RADIOTAP_RATE) | \ 36 (1 << IEEE80211_RADIOTAP_CHANNEL) | \ 37 (1 << IEEE80211_RADIOTAP_ANTENNA) | \ 38 (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL)) 39 40 struct rum_tx_radiotap_header { 41 struct ieee80211_radiotap_header wt_ihdr; 42 uint8_t wt_flags; 43 uint8_t wt_rate; 44 uint16_t wt_chan_freq; 45 uint16_t wt_chan_flags; 46 uint8_t wt_antenna; 47 }; 48 49 #define RT2573_TX_RADIOTAP_PRESENT \ 50 ((1 << IEEE80211_RADIOTAP_FLAGS) | \ 51 (1 << IEEE80211_RADIOTAP_RATE) | \ 52 (1 << IEEE80211_RADIOTAP_CHANNEL) | \ 53 (1 << IEEE80211_RADIOTAP_ANTENNA)) 54 55 struct rum_softc; 56 57 struct rum_task { 58 struct usb2_proc_msg hdr; 59 struct rum_softc *sc; 60 }; 61 62 struct rum_tx_data { 63 STAILQ_ENTRY(rum_tx_data) next; 64 struct rum_softc *sc; 65 struct rum_tx_desc desc; 66 struct mbuf *m; 67 struct ieee80211_node *ni; 68 int rate; 69 }; 70 typedef STAILQ_HEAD(, rum_tx_data) rum_txdhead; 71 72 struct rum_node { 73 struct ieee80211_node ni; 74 struct ieee80211_amrr_node amn; 75 }; 76 #define RUM_NODE(ni) ((struct rum_node *)(ni)) 77 78 struct rum_vap { 79 struct ieee80211vap vap; 80 struct rum_softc *sc; 81 struct ieee80211_beacon_offsets bo; 82 struct ieee80211_amrr amrr; 83 struct usb2_callout amrr_ch; 84 struct rum_task amrr_task[2]; 85 86 int (*newstate)(struct ieee80211vap *, 87 enum ieee80211_state, int); 88 }; 89 #define RUM_VAP(vap) ((struct rum_vap *)(vap)) 90 91 enum { 92 RUM_BULK_WR, 93 RUM_BULK_RD, 94 RUM_N_TRANSFER = 2, 95 }; 96 97 struct rum_softc { 98 struct ifnet *sc_ifp; 99 device_t sc_dev; 100 struct usb2_device *sc_udev; 101 struct usb2_process sc_tq; 102 103 const struct ieee80211_rate_table *sc_rates; 104 struct usb2_xfer *sc_xfer[RUM_N_TRANSFER]; 105 106 uint8_t rf_rev; 107 uint8_t rffreq; 108 109 enum ieee80211_state sc_state; 110 int sc_arg; 111 struct rum_task sc_synctask[2]; 112 struct rum_task sc_task[2]; 113 struct rum_task sc_promisctask[2]; 114 struct rum_task sc_scantask[2]; 115 int sc_scan_action; 116 #define RUM_SCAN_START 0 117 #define RUM_SCAN_END 1 118 #define RUM_SET_CHANNEL 2 119 120 struct rum_tx_data tx_data[RUM_TX_LIST_COUNT]; 121 rum_txdhead tx_q; 122 rum_txdhead tx_free; 123 int tx_nfree; 124 struct rum_rx_desc sc_rx_desc; 125 126 struct mtx sc_mtx; 127 128 uint32_t sta[6]; 129 uint32_t rf_regs[4]; 130 uint8_t txpow[44]; 131 uint8_t sc_bssid[6]; 132 133 struct { 134 uint8_t val; 135 uint8_t reg; 136 } __packed bbp_prom[16]; 137 138 int hw_radio; 139 int rx_ant; 140 int tx_ant; 141 int nb_ant; 142 int ext_2ghz_lna; 143 int ext_5ghz_lna; 144 int rssi_2ghz_corr; 145 int rssi_5ghz_corr; 146 uint8_t bbp17; 147 148 struct rum_rx_radiotap_header sc_rxtap; 149 int sc_rxtap_len; 150 151 struct rum_tx_radiotap_header sc_txtap; 152 int sc_txtap_len; 153 }; 154 155 #define RUM_LOCK(sc) mtx_lock(&(sc)->sc_mtx) 156 #define RUM_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx) 157 #define RUM_LOCK_ASSERT(sc, t) mtx_assert(&(sc)->sc_mtx, t) 158