1 /* $FreeBSD$ */
2
3 /*-
4 * Copyright (c) 2005
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 rt2661_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 uint8_t wr_antsignal;
28 } __packed;
29
30 #define RT2661_RX_RADIOTAP_PRESENT \
31 ((1 << IEEE80211_RADIOTAP_TSFT) | \
32 (1 << IEEE80211_RADIOTAP_FLAGS) | \
33 (1 << IEEE80211_RADIOTAP_RATE) | \
34 (1 << IEEE80211_RADIOTAP_CHANNEL) | \
35 (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))
36
37 struct rt2661_tx_radiotap_header {
38 struct ieee80211_radiotap_header wt_ihdr;
39 uint8_t wt_flags;
40 uint8_t wt_rate;
41 uint16_t wt_chan_freq;
42 uint16_t wt_chan_flags;
43 } __packed;
44
45 #define RT2661_TX_RADIOTAP_PRESENT \
46 ((1 << IEEE80211_RADIOTAP_FLAGS) | \
47 (1 << IEEE80211_RADIOTAP_RATE) | \
48 (1 << IEEE80211_RADIOTAP_CHANNEL))
49
50 struct rt2661_tx_data {
51 bus_dmamap_t map;
52 struct mbuf *m;
53 struct ieee80211_node *ni;
54 struct ral_rssdesc id;
55 };
56
57 struct rt2661_tx_ring {
58 bus_dma_tag_t desc_dmat;
59 bus_dma_tag_t data_dmat;
60 bus_dmamap_t desc_map;
61 bus_addr_t physaddr;
62 struct rt2661_tx_desc *desc;
63 struct rt2661_tx_data *data;
64 int count;
65 int queued;
66 int cur;
67 int next;
68 int stat;
69 };
70
71 struct rt2661_rx_data {
72 bus_dmamap_t map;
73 struct mbuf *m;
74 };
75
76 struct rt2661_rx_ring {
77 bus_dma_tag_t desc_dmat;
78 bus_dma_tag_t data_dmat;
79 bus_dmamap_t desc_map;
80 bus_addr_t physaddr;
81 struct rt2661_rx_desc *desc;
82 struct rt2661_rx_data *data;
83 int count;
84 int cur;
85 int next;
86 };
87
88 struct rt2661_node {
89 struct ieee80211_node ni;
90 struct ral_rssadapt rssadapt;
91 };
92
93 struct rt2661_softc {
94 struct ifnet *sc_ifp;
95 struct ieee80211com sc_ic;
96 int (*sc_newstate)(struct ieee80211com *,
97 enum ieee80211_state, int);
98 device_t sc_dev;
99 bus_space_tag_t sc_st;
100 bus_space_handle_t sc_sh;
101
102 struct mtx sc_mtx;
103
104 struct callout scan_ch;
105 struct callout rssadapt_ch;
106
107 int sc_tx_timer;
108
109 struct ieee80211_channel *sc_curchan;
110
111 uint8_t rf_rev;
112
113 uint8_t rfprog;
114 uint8_t rffreq;
115
116 struct rt2661_tx_ring txq[4];
117 struct rt2661_tx_ring mgtq;
118 struct rt2661_rx_ring rxq;
119
120 uint32_t rf_regs[4];
121 int8_t txpow[38];
122
123 struct {
124 uint8_t reg;
125 uint8_t val;
126 } bbp_prom[16];
127
128 int hw_radio;
129 int rx_ant;
130 int tx_ant;
131 int nb_ant;
132 int ext_2ghz_lna;
133 int ext_5ghz_lna;
134 int rssi_2ghz_corr;
135 int rssi_5ghz_corr;
136
137 uint8_t bbp18;
138 uint8_t bbp21;
139 uint8_t bbp22;
140 uint8_t bbp16;
141 uint8_t bbp17;
142 uint8_t bbp64;
143
144 int dwelltime;
145
146 struct bpf_if *sc_drvbpf;
147
148 union {
149 struct rt2661_rx_radiotap_header th;
150 uint8_t pad[64];
151 } sc_rxtapu;
152 #define sc_rxtap sc_rxtapu.th
153 int sc_rxtap_len;
154
155 union {
156 struct rt2661_tx_radiotap_header th;
157 uint8_t pad[64];
158 } sc_txtapu;
159 #define sc_txtap sc_txtapu.th
160 int sc_txtap_len;
161 };
162
163 int rt2661_attach(device_t, int);
164 int rt2661_detach(void *);
165 void rt2661_shutdown(void *);
166 void rt2661_suspend(void *);
167 void rt2661_resume(void *);
168 void rt2661_intr(void *);
169
170 #define RAL_LOCK(sc) mtx_lock(&(sc)->sc_mtx)
171 #define RAL_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx)
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