1 /*- 2 * Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr> 3 * 4 * Permission to use, copy, modify, and distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 * 16 * $OpenBSD: if_urtwnreg.h,v 1.3 2010/11/16 18:02:59 damien Exp $ 17 * $FreeBSD$ 18 */ 19 20 #define URTWN_RX_LIST_COUNT 64 21 #define URTWN_TX_LIST_COUNT 8 22 #define URTWN_HOST_CMD_RING_COUNT 32 23 24 #define URTWN_RXBUFSZ (8 * 1024) 25 //#define URTWN_TXBUFSZ (sizeof(struct r92c_tx_desc) + IEEE80211_MAX_LEN) 26 /* Leave enough space for an A-MSDU frame */ 27 #define URTWN_TXBUFSZ (16 * 1024) 28 #define URTWN_RX_DESC_SIZE (sizeof(struct r92c_rx_stat)) 29 #define URTWN_TX_DESC_SIZE (sizeof(struct r92c_tx_desc)) 30 31 #define URTWN_TX_TIMEOUT 5000 /* ms */ 32 33 #define URTWN_LED_LINK 0 34 #define URTWN_LED_DATA 1 35 36 struct urtwn_rx_radiotap_header { 37 struct ieee80211_radiotap_header wr_ihdr; 38 uint64_t wr_tsft; 39 uint8_t wr_flags; 40 uint8_t wr_rate; 41 uint16_t wr_chan_freq; 42 uint16_t wr_chan_flags; 43 int8_t wr_dbm_antsignal; 44 int8_t wr_dbm_antnoise; 45 } __packed __aligned(8); 46 47 #define URTWN_RX_RADIOTAP_PRESENT \ 48 (1 << IEEE80211_RADIOTAP_TSFT | \ 49 1 << IEEE80211_RADIOTAP_FLAGS | \ 50 1 << IEEE80211_RADIOTAP_RATE | \ 51 1 << IEEE80211_RADIOTAP_CHANNEL | \ 52 1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL | \ 53 1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) 54 55 struct urtwn_tx_radiotap_header { 56 struct ieee80211_radiotap_header wt_ihdr; 57 uint8_t wt_flags; 58 uint8_t wt_pad; 59 uint16_t wt_chan_freq; 60 uint16_t wt_chan_flags; 61 } __packed; 62 63 #define URTWN_TX_RADIOTAP_PRESENT \ 64 (1 << IEEE80211_RADIOTAP_FLAGS | \ 65 1 << IEEE80211_RADIOTAP_CHANNEL) 66 67 struct urtwn_softc; 68 69 struct urtwn_data { 70 struct urtwn_softc *sc; 71 uint8_t *buf; 72 uint16_t buflen; 73 struct mbuf *m; 74 struct ieee80211_node *ni; 75 STAILQ_ENTRY(urtwn_data) next; 76 }; 77 typedef STAILQ_HEAD(, urtwn_data) urtwn_datahead; 78 79 union sec_param { 80 struct ieee80211_key key; 81 }; 82 83 #define CMD_FUNC_PROTO void (*func)(struct urtwn_softc *, \ 84 union sec_param *) 85 86 struct urtwn_cmdq { 87 union sec_param data; 88 CMD_FUNC_PROTO; 89 }; 90 #define URTWN_CMDQ_SIZE 16 91 92 struct urtwn_fw_info { 93 const uint8_t *data; 94 size_t size; 95 }; 96 97 struct urtwn_node { 98 struct ieee80211_node ni; /* must be the first */ 99 uint8_t id; 100 int last_rssi; 101 }; 102 #define URTWN_NODE(ni) ((struct urtwn_node *)(ni)) 103 104 struct urtwn_vap { 105 struct ieee80211vap vap; 106 107 struct r92c_tx_desc bcn_desc; 108 struct mbuf *bcn_mbuf; 109 struct task tsf_task_adhoc; 110 111 const struct ieee80211_key *keys[IEEE80211_WEP_NKID]; 112 113 int (*newstate)(struct ieee80211vap *, 114 enum ieee80211_state, int); 115 void (*recv_mgmt)(struct ieee80211_node *, 116 struct mbuf *, int, 117 const struct ieee80211_rx_stats *, 118 int, int); 119 }; 120 #define URTWN_VAP(vap) ((struct urtwn_vap *)(vap)) 121 122 enum { 123 URTWN_BULK_RX, 124 URTWN_BULK_TX_BE, /* = WME_AC_BE */ 125 URTWN_BULK_TX_BK, /* = WME_AC_BK */ 126 URTWN_BULK_TX_VI, /* = WME_AC_VI */ 127 URTWN_BULK_TX_VO, /* = WME_AC_VI */ 128 URTWN_N_TRANSFER = 5, 129 }; 130 131 #define URTWN_EP_QUEUES URTWN_BULK_RX 132 133 union urtwn_rom { 134 struct r92c_rom r92c_rom; 135 struct r88e_rom r88e_rom; 136 }; 137 138 struct urtwn_softc { 139 struct ieee80211com sc_ic; 140 struct mbufq sc_snd; 141 device_t sc_dev; 142 struct usb_device *sc_udev; 143 144 uint32_t sc_debug; 145 uint8_t sc_iface_index; 146 uint8_t sc_flags; 147 #define URTWN_FLAG_CCK_HIPWR 0x01 148 #define URTWN_DETACHED 0x02 149 #define URTWN_RUNNING 0x04 150 #define URTWN_FW_LOADED 0x08 151 #define URTWN_TEMP_MEASURED 0x10 152 153 u_int chip; 154 #define URTWN_CHIP_92C 0x01 155 #define URTWN_CHIP_92C_1T2R 0x02 156 #define URTWN_CHIP_UMC 0x04 157 #define URTWN_CHIP_UMC_A_CUT 0x08 158 #define URTWN_CHIP_88E 0x10 159 160 #define URTWN_CHIP_HAS_RATECTL(_sc) (!!((_sc)->chip & URTWN_CHIP_88E)) 161 162 void (*sc_node_free)(struct ieee80211_node *); 163 void (*sc_rf_write)(struct urtwn_softc *, 164 int, uint8_t, uint32_t); 165 int (*sc_power_on)(struct urtwn_softc *); 166 void (*sc_power_off)(struct urtwn_softc *); 167 168 struct ieee80211_node *node_list[R88E_MACID_MAX + 1]; 169 struct mtx nt_mtx; 170 171 uint8_t board_type; 172 uint8_t regulatory; 173 uint8_t pa_setting; 174 int8_t ofdm_tx_pwr_diff; 175 int8_t bw20_tx_pwr_diff; 176 int avg_pwdb; 177 uint8_t thcal_lctemp; 178 int ntxchains; 179 int nrxchains; 180 int ledlink; 181 int sc_txtimer; 182 183 int last_rssi; 184 185 int fwcur; 186 struct urtwn_data sc_rx[URTWN_RX_LIST_COUNT]; 187 urtwn_datahead sc_rx_active; 188 urtwn_datahead sc_rx_inactive; 189 struct urtwn_data sc_tx[URTWN_TX_LIST_COUNT]; 190 urtwn_datahead sc_tx_active; 191 int sc_tx_n_active; 192 urtwn_datahead sc_tx_inactive; 193 urtwn_datahead sc_tx_pending; 194 195 union urtwn_rom rom; 196 uint16_t last_rom_addr; 197 198 struct callout sc_calib_to; 199 struct callout sc_watchdog_ch; 200 struct mtx sc_mtx; 201 uint32_t keys_bmap; 202 203 struct urtwn_cmdq cmdq[URTWN_CMDQ_SIZE]; 204 struct mtx cmdq_mtx; 205 struct task cmdq_task; 206 uint8_t cmdq_first; 207 uint8_t cmdq_last; 208 209 uint32_t rf_chnlbw[R92C_MAX_CHAINS]; 210 struct usb_xfer *sc_xfer[URTWN_N_TRANSFER]; 211 212 struct urtwn_rx_radiotap_header sc_rxtap; 213 struct urtwn_tx_radiotap_header sc_txtap; 214 }; 215 216 #define URTWN_LOCK(sc) mtx_lock(&(sc)->sc_mtx) 217 #define URTWN_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx) 218 #define URTWN_ASSERT_LOCKED(sc) mtx_assert(&(sc)->sc_mtx, MA_OWNED) 219 220 #define URTWN_CMDQ_LOCK_INIT(sc) \ 221 mtx_init(&(sc)->cmdq_mtx, "cmdq lock", NULL, MTX_DEF) 222 #define URTWN_CMDQ_LOCK(sc) mtx_lock(&(sc)->cmdq_mtx) 223 #define URTWN_CMDQ_UNLOCK(sc) mtx_unlock(&(sc)->cmdq_mtx) 224 #define URTWN_CMDQ_LOCK_DESTROY(sc) mtx_destroy(&(sc)->cmdq_mtx) 225 226 #define URTWN_NT_LOCK_INIT(sc) \ 227 mtx_init(&(sc)->nt_mtx, "node table lock", NULL, MTX_DEF) 228 #define URTWN_NT_LOCK(sc) mtx_lock(&(sc)->nt_mtx) 229 #define URTWN_NT_UNLOCK(sc) mtx_unlock(&(sc)->nt_mtx) 230 #define URTWN_NT_LOCK_DESTROY(sc) mtx_destroy(&(sc)->nt_mtx) 231