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 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_FLAGS) | \ 36 (1 << IEEE80211_RADIOTAP_RATE) | \ 37 (1 << IEEE80211_RADIOTAP_CHANNEL) | \ 38 (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | \ 39 (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) | \ 40 (1 << IEEE80211_RADIOTAP_ANTENNA) | \ 41 0) 42 43 struct rum_tx_radiotap_header { 44 struct ieee80211_radiotap_header wt_ihdr; 45 uint8_t wt_flags; 46 uint8_t wt_rate; 47 uint16_t wt_chan_freq; 48 uint16_t wt_chan_flags; 49 uint8_t wt_antenna; 50 } __packed __aligned(8); 51 52 #define RT2573_TX_RADIOTAP_PRESENT \ 53 ((1 << IEEE80211_RADIOTAP_FLAGS) | \ 54 (1 << IEEE80211_RADIOTAP_RATE) | \ 55 (1 << IEEE80211_RADIOTAP_CHANNEL) | \ 56 (1 << IEEE80211_RADIOTAP_ANTENNA)) 57 58 struct rum_softc; 59 60 struct rum_tx_data { 61 STAILQ_ENTRY(rum_tx_data) next; 62 struct rum_softc *sc; 63 struct rum_tx_desc desc; 64 struct mbuf *m; 65 struct ieee80211_node *ni; 66 int rate; 67 }; 68 typedef STAILQ_HEAD(, rum_tx_data) rum_txdhead; 69 70 struct rum_vap { 71 struct ieee80211vap vap; 72 struct ieee80211_beacon_offsets bo; 73 struct usb_callout ratectl_ch; 74 struct task ratectl_task; 75 76 int (*newstate)(struct ieee80211vap *, 77 enum ieee80211_state, int); 78 }; 79 #define RUM_VAP(vap) ((struct rum_vap *)(vap)) 80 81 enum { 82 RUM_BULK_WR, 83 RUM_BULK_RD, 84 RUM_N_TRANSFER = 2, 85 }; 86 87 struct rum_softc { 88 struct ieee80211com sc_ic; 89 struct mbufq sc_snd; 90 device_t sc_dev; 91 struct usb_device *sc_udev; 92 93 struct usb_xfer *sc_xfer[RUM_N_TRANSFER]; 94 95 uint8_t rf_rev; 96 uint8_t rffreq; 97 98 struct rum_tx_data tx_data[RUM_TX_LIST_COUNT]; 99 rum_txdhead tx_q; 100 rum_txdhead tx_free; 101 int tx_nfree; 102 struct rum_rx_desc sc_rx_desc; 103 104 struct mtx sc_mtx; 105 106 uint32_t sta[6]; 107 uint32_t rf_regs[4]; 108 uint8_t txpow[44]; 109 u_int sc_detached:1, 110 sc_running:1; 111 112 struct { 113 uint8_t val; 114 uint8_t reg; 115 } __packed bbp_prom[16]; 116 117 int hw_radio; 118 int rx_ant; 119 int tx_ant; 120 int nb_ant; 121 int ext_2ghz_lna; 122 int ext_5ghz_lna; 123 int rssi_2ghz_corr; 124 int rssi_5ghz_corr; 125 uint8_t bbp17; 126 127 struct rum_rx_radiotap_header sc_rxtap; 128 int sc_rxtap_len; 129 130 struct rum_tx_radiotap_header sc_txtap; 131 int sc_txtap_len; 132 }; 133 134 #define RUM_LOCK(sc) mtx_lock(&(sc)->sc_mtx) 135 #define RUM_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx) 136 #define RUM_LOCK_ASSERT(sc, t) mtx_assert(&(sc)->sc_mtx, t) 137