1 /* $FreeBSD$ */
2
3 /*-
4 * Copyright (c) 2005, 2006
5 * Damien Bergamini <damien.bergamini@free.fr>
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 struct rt2560_rx_radiotap_header {
21 struct ieee80211_radiotap_header wr_ihdr;
22 uint64_t wr_tsf;
23 uint8_t wr_flags;
24 uint8_t wr_rate;
25 uint16_t wr_chan_freq;
26 uint16_t wr_chan_flags;
27 int8_t wr_antsignal;
28 int8_t wr_antnoise;
29 uint8_t wr_antenna;
30 } __packed __aligned(8);
31
32 #define RT2560_RX_RADIOTAP_PRESENT \
33 ((1 << IEEE80211_RADIOTAP_TSFT) | \
34 (1 << IEEE80211_RADIOTAP_FLAGS) | \
35 (1 << IEEE80211_RADIOTAP_RATE) | \
36 (1 << IEEE80211_RADIOTAP_CHANNEL) | \
37 (1 << IEEE80211_RADIOTAP_ANTENNA) | \
38 (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | \
39 (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE))
40
41 struct rt2560_tx_radiotap_header {
42 struct ieee80211_radiotap_header wt_ihdr;
43 uint8_t wt_flags;
44 uint8_t wt_rate;
45 uint16_t wt_chan_freq;
46 uint16_t wt_chan_flags;
47 uint8_t wt_antenna;
48 } __packed;
49
50 #define RT2560_TX_RADIOTAP_PRESENT \
51 ((1 << IEEE80211_RADIOTAP_FLAGS) | \
52 (1 << IEEE80211_RADIOTAP_RATE) | \
53 (1 << IEEE80211_RADIOTAP_CHANNEL) | \
54 (1 << IEEE80211_RADIOTAP_ANTENNA))
55
56 struct rt2560_tx_data {
57 bus_dmamap_t map;
58 struct mbuf *m;
59 struct ieee80211_node *ni;
60 uint8_t rix;
61 int8_t rssi;
62 };
63
64 struct rt2560_tx_ring {
65 bus_dma_tag_t desc_dmat;
66 bus_dma_tag_t data_dmat;
67 bus_dmamap_t desc_map;
68 bus_addr_t physaddr;
69 struct rt2560_tx_desc *desc;
70 struct rt2560_tx_data *data;
71 int count;
72 int queued;
73 int cur;
74 int next;
75 int cur_encrypt;
76 int next_encrypt;
77 };
78
79 struct rt2560_rx_data {
80 bus_dmamap_t map;
81 struct mbuf *m;
82 int drop;
83 };
84
85 struct rt2560_rx_ring {
86 bus_dma_tag_t desc_dmat;
87 bus_dma_tag_t data_dmat;
88 bus_dmamap_t desc_map;
89 bus_addr_t physaddr;
90 struct rt2560_rx_desc *desc;
91 struct rt2560_rx_data *data;
92 int count;
93 int cur;
94 int next;
95 int cur_decrypt;
96 };
97
98 struct rt2560_vap {
99 struct ieee80211vap ral_vap;
100
101 int (*ral_newstate)(struct ieee80211vap *,
102 enum ieee80211_state, int);
103 };
104 #define RT2560_VAP(vap) ((struct rt2560_vap *)(vap))
105
106 struct rt2560_softc {
107 struct ieee80211com sc_ic;
108 struct ieee80211_ratectl_tx_status sc_txs;
109 struct mtx sc_mtx;
110 struct mbufq sc_snd;
111 device_t sc_dev;
112 bus_space_tag_t sc_st;
113 bus_space_handle_t sc_sh;
114
115 struct callout watchdog_ch;
116
117 int sc_tx_timer;
118 int sc_invalid;
119 int sc_debug;
120 /*
121 * The same in both up to here
122 * ------------------------------------------------
123 */
124 uint32_t asic_rev;
125 uint32_t eeprom_rev;
126 uint8_t rf_rev;
127 uint8_t rssi_corr;
128
129 struct rt2560_tx_ring txq;
130 struct rt2560_tx_ring prioq;
131 struct rt2560_tx_ring atimq;
132 struct rt2560_tx_ring bcnq;
133 struct rt2560_rx_ring rxq;
134
135 uint32_t rf_regs[4];
136 uint8_t txpow[14];
137
138 struct {
139 uint8_t reg;
140 uint8_t val;
141 } bbp_prom[16];
142
143 int led_mode;
144 int hw_radio;
145 int rx_ant;
146 int tx_ant;
147 int nb_ant;
148
149 struct rt2560_rx_radiotap_header sc_rxtap;
150 struct rt2560_tx_radiotap_header sc_txtap;
151
152 #define RT2560_F_INPUT_RUNNING 0x1
153 #define RT2560_F_RUNNING 0x2
154 int sc_flags;
155 };
156
157 int rt2560_attach(device_t, int);
158 int rt2560_detach(void *);
159 void rt2560_stop(void *);
160 void rt2560_resume(void *);
161 void rt2560_intr(void *);
162
163 #define RAL_LOCK(sc) mtx_lock(&(sc)->sc_mtx)
164 #define RAL_LOCK_ASSERT(sc) mtx_assert(&(sc)->sc_mtx, MA_OWNED)
165 #define RAL_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx)
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