1 2 /*- 3 * Copyright (c) 2005, 2006 Damien Bergamini <damien.bergamini@free.fr> 4 * Copyright (c) 2006 Niall O'Higgins <niallo@openbsd.org> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #define RUM_TX_LIST_COUNT 8 20 #define RUM_TX_MINFREE 2 21 22 struct rum_rx_radiotap_header { 23 struct ieee80211_radiotap_header wr_ihdr; 24 uint64_t wr_tsf; 25 uint8_t wr_flags; 26 uint8_t wr_rate; 27 uint16_t wr_chan_freq; 28 uint16_t wr_chan_flags; 29 int8_t wr_antsignal; 30 int8_t wr_antnoise; 31 uint8_t wr_antenna; 32 } __packed __aligned(8); 33 34 #define RT2573_RX_RADIOTAP_PRESENT \ 35 ((1 << IEEE80211_RADIOTAP_TSFT) | \ 36 (1 << IEEE80211_RADIOTAP_FLAGS) | \ 37 (1 << IEEE80211_RADIOTAP_RATE) | \ 38 (1 << IEEE80211_RADIOTAP_CHANNEL) | \ 39 (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | \ 40 (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) | \ 41 (1 << IEEE80211_RADIOTAP_ANTENNA) | \ 42 0) 43 44 struct rum_tx_radiotap_header { 45 struct ieee80211_radiotap_header wt_ihdr; 46 uint8_t wt_flags; 47 uint8_t wt_rate; 48 uint16_t wt_chan_freq; 49 uint16_t wt_chan_flags; 50 uint8_t wt_antenna; 51 } __packed; 52 53 #define RT2573_TX_RADIOTAP_PRESENT \ 54 ((1 << IEEE80211_RADIOTAP_FLAGS) | \ 55 (1 << IEEE80211_RADIOTAP_RATE) | \ 56 (1 << IEEE80211_RADIOTAP_CHANNEL) | \ 57 (1 << IEEE80211_RADIOTAP_ANTENNA)) 58 59 struct rum_softc; 60 61 struct rum_tx_data { 62 STAILQ_ENTRY(rum_tx_data) next; 63 struct rum_softc *sc; 64 struct rum_tx_desc desc; 65 struct mbuf *m; 66 struct ieee80211_node *ni; 67 int rate; 68 }; 69 typedef STAILQ_HEAD(, rum_tx_data) rum_txdhead; 70 71 union sec_param { 72 struct ieee80211_key key; 73 uint8_t macaddr[IEEE80211_ADDR_LEN]; 74 struct ieee80211vap *vap; 75 }; 76 #define CMD_FUNC_PROTO void (*func)(struct rum_softc *, \ 77 union sec_param *, uint8_t) 78 79 struct rum_cmdq { 80 union sec_param data; 81 uint8_t rvp_id; 82 83 CMD_FUNC_PROTO; 84 }; 85 #define RUM_CMDQ_SIZE 16 86 87 struct rum_vap { 88 struct ieee80211vap vap; 89 struct mbuf *bcn_mbuf; 90 struct usb_callout ratectl_ch; 91 struct task ratectl_task; 92 uint8_t maxretry; 93 94 int (*newstate)(struct ieee80211vap *, 95 enum ieee80211_state, int); 96 void (*bmiss)(struct ieee80211vap *); 97 void (*recv_mgmt)(struct ieee80211_node *, 98 struct mbuf *, int, 99 const struct ieee80211_rx_stats *, 100 int, int); 101 }; 102 #define RUM_VAP(vap) ((struct rum_vap *)(vap)) 103 104 enum { 105 RUM_BULK_WR, 106 RUM_BULK_RD, 107 RUM_N_TRANSFER = 2, 108 }; 109 110 struct rum_softc { 111 struct ieee80211com sc_ic; 112 struct ieee80211_ratectl_tx_stats sc_txs; 113 struct mbufq sc_snd; 114 device_t sc_dev; 115 struct usb_device *sc_udev; 116 117 struct usb_xfer *sc_xfer[RUM_N_TRANSFER]; 118 119 uint8_t rf_rev; 120 uint8_t rffreq; 121 122 struct rum_tx_data tx_data[RUM_TX_LIST_COUNT]; 123 rum_txdhead tx_q; 124 rum_txdhead tx_free; 125 int tx_nfree; 126 struct rum_rx_desc sc_rx_desc; 127 128 struct mtx sc_mtx; 129 130 int sc_sleep_end; 131 int sc_sleep_time; 132 uint8_t last_rx_flags; 133 134 struct rum_cmdq cmdq[RUM_CMDQ_SIZE]; 135 struct mtx cmdq_mtx; 136 struct task cmdq_task; 137 uint8_t cmdq_first; 138 uint8_t cmdq_last; 139 140 uint32_t sta[6]; 141 uint32_t rf_regs[4]; 142 uint8_t txpow[44]; 143 u_int sc_detached:1, 144 sc_running:1, 145 sc_sleeping:1, 146 sc_clr_shkeys:1; 147 148 uint8_t sc_bssid[IEEE80211_ADDR_LEN]; 149 struct wmeParams wme_params[WME_NUM_AC]; 150 151 uint8_t vap_key_count[1]; 152 uint64_t keys_bmap; 153 154 struct { 155 uint8_t val; 156 uint8_t reg; 157 } __packed bbp_prom[16]; 158 159 int hw_radio; 160 int rx_ant; 161 int tx_ant; 162 int nb_ant; 163 int ext_2ghz_lna; 164 int ext_5ghz_lna; 165 int rssi_2ghz_corr; 166 int rssi_5ghz_corr; 167 uint8_t bbp17; 168 169 struct rum_rx_radiotap_header sc_rxtap; 170 struct rum_tx_radiotap_header sc_txtap; 171 }; 172 173 #define RUM_LOCK_INIT(sc) \ 174 mtx_init(&(sc)->sc_mtx, device_get_nameunit((sc)->sc_dev), \ 175 MTX_NETWORK_LOCK, MTX_DEF); 176 #define RUM_LOCK(sc) mtx_lock(&(sc)->sc_mtx) 177 #define RUM_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx) 178 #define RUM_LOCK_ASSERT(sc) mtx_assert(&(sc)->sc_mtx, MA_OWNED) 179 #define RUM_LOCK_DESTROY(sc) mtx_destroy(&(sc)->sc_mtx) 180 181 #define RUM_CMDQ_LOCK_INIT(sc) \ 182 mtx_init(&(sc)->cmdq_mtx, "cmdq lock", NULL, MTX_DEF) 183 #define RUM_CMDQ_LOCK(sc) mtx_lock(&(sc)->cmdq_mtx) 184 #define RUM_CMDQ_UNLOCK(sc) mtx_unlock(&(sc)->cmdq_mtx) 185 #define RUM_CMDQ_LOCK_DESTROY(sc) mtx_destroy(&(sc)->cmdq_mtx) 186