Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/usb/wlan/if_rumvar.h
Version:
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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 uint64_t wr_tsf; 26 uint8_t wr_flags; 27 uint8_t wr_rate; 28 uint16_t wr_chan_freq; 29 uint16_t wr_chan_flags; 30 int8_t wr_antsignal; 31 int8_t wr_antnoise; 32 uint8_t wr_antenna; 33 } __packed __aligned(8); 34 35 #define RT2573_RX_RADIOTAP_PRESENT \ 36 ((1 << IEEE80211_RADIOTAP_TSFT) | \ 37 (1 << IEEE80211_RADIOTAP_FLAGS) | \ 38 (1 << IEEE80211_RADIOTAP_RATE) | \ 39 (1 << IEEE80211_RADIOTAP_CHANNEL) | \ 40 (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | \ 41 (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) | \ 42 (1 << IEEE80211_RADIOTAP_ANTENNA) | \ 43 0) 44 45 struct rum_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 } __packed; 53 54 #define RT2573_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 rum_softc; 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 union sec_param { 73 struct ieee80211_key key; 74 uint8_t macaddr[IEEE80211_ADDR_LEN]; 75 struct ieee80211vap *vap; 76 }; 77 #define CMD_FUNC_PROTO void (*func)(struct rum_softc *, \ 78 union sec_param *, uint8_t) 79 80 struct rum_cmdq { 81 union sec_param data; 82 uint8_t rvp_id; 83 84 CMD_FUNC_PROTO; 85 }; 86 #define RUM_CMDQ_SIZE 16 87 88 struct rum_vap { 89 struct ieee80211vap vap; 90 struct mbuf *bcn_mbuf; 91 struct usb_callout ratectl_ch; 92 struct task ratectl_task; 93 uint8_t maxretry; 94 95 int (*newstate)(struct ieee80211vap *, 96 enum ieee80211_state, int); 97 void (*bmiss)(struct ieee80211vap *); 98 void (*recv_mgmt)(struct ieee80211_node *, 99 struct mbuf *, int, 100 const struct ieee80211_rx_stats *, 101 int, int); 102 }; 103 #define RUM_VAP(vap) ((struct rum_vap *)(vap)) 104 105 enum { 106 RUM_BULK_WR, 107 RUM_BULK_RD, 108 RUM_N_TRANSFER = 2, 109 }; 110 111 struct rum_softc { 112 struct ieee80211com sc_ic; 113 struct ieee80211_ratectl_tx_stats sc_txs; 114 struct mbufq sc_snd; 115 device_t sc_dev; 116 struct usb_device *sc_udev; 117 118 struct usb_xfer *sc_xfer[RUM_N_TRANSFER]; 119 120 uint8_t rf_rev; 121 uint8_t rffreq; 122 123 struct rum_tx_data tx_data[RUM_TX_LIST_COUNT]; 124 rum_txdhead tx_q; 125 rum_txdhead tx_free; 126 int tx_nfree; 127 struct rum_rx_desc sc_rx_desc; 128 129 struct mtx sc_mtx; 130 131 int sc_sleep_end; 132 int sc_sleep_time; 133 uint8_t last_rx_flags; 134 135 struct rum_cmdq cmdq[RUM_CMDQ_SIZE]; 136 struct mtx cmdq_mtx; 137 struct task cmdq_task; 138 uint8_t cmdq_first; 139 uint8_t cmdq_last; 140 141 uint32_t sta[6]; 142 uint32_t rf_regs[4]; 143 uint8_t txpow[44]; 144 u_int sc_detached:1, 145 sc_running:1, 146 sc_sleeping:1, 147 sc_clr_shkeys:1; 148 149 uint8_t sc_bssid[IEEE80211_ADDR_LEN]; 150 struct wmeParams wme_params[WME_NUM_AC]; 151 152 uint8_t vap_key_count[1]; 153 uint64_t keys_bmap; 154 155 struct { 156 uint8_t val; 157 uint8_t reg; 158 } __packed bbp_prom[16]; 159 160 int hw_radio; 161 int rx_ant; 162 int tx_ant; 163 int nb_ant; 164 int ext_2ghz_lna; 165 int ext_5ghz_lna; 166 int rssi_2ghz_corr; 167 int rssi_5ghz_corr; 168 uint8_t bbp17; 169 170 struct rum_rx_radiotap_header sc_rxtap; 171 struct rum_tx_radiotap_header sc_txtap; 172 }; 173 174 #define RUM_LOCK_INIT(sc) \ 175 mtx_init(&(sc)->sc_mtx, device_get_nameunit((sc)->sc_dev), \ 176 MTX_NETWORK_LOCK, MTX_DEF); 177 #define RUM_LOCK(sc) mtx_lock(&(sc)->sc_mtx) 178 #define RUM_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx) 179 #define RUM_LOCK_ASSERT(sc) mtx_assert(&(sc)->sc_mtx, MA_OWNED) 180 #define RUM_LOCK_DESTROY(sc) mtx_destroy(&(sc)->sc_mtx) 181 182 #define RUM_CMDQ_LOCK_INIT(sc) \ 183 mtx_init(&(sc)->cmdq_mtx, "cmdq lock", NULL, MTX_DEF) 184 #define RUM_CMDQ_LOCK(sc) mtx_lock(&(sc)->cmdq_mtx) 185 #define RUM_CMDQ_UNLOCK(sc) mtx_unlock(&(sc)->cmdq_mtx) 186 #define RUM_CMDQ_LOCK_DESTROY(sc) mtx_destroy(&(sc)->cmdq_mtx)
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