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1.1 nbrk 1: /* $OpenBSD: if_uathvar.h,v 1.5 2007/06/06 19:25:49 mk Exp $ */
2:
3: /*-
4: * Copyright (c) 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: #define UATH_TX_DATA_LIST_COUNT 8 /* 16 */
21: #define UATH_TX_CMD_LIST_COUNT 8 /* 30 */
22:
23: /* XXX ehci will panic on abort_pipe if set to anything > 1 */
24: #define UATH_RX_DATA_LIST_COUNT 1 /* 128 */
25: #define UATH_RX_CMD_LIST_COUNT 1 /* 30 */
26:
27: #define UATH_RX_DATA_POOL_COUNT (UATH_RX_DATA_LIST_COUNT + 24)
28:
29: #define UATH_DATA_TIMEOUT 10000
30: #define UATH_CMD_TIMEOUT 1000
31:
32: struct uath_rx_radiotap_header {
33: struct ieee80211_radiotap_header wr_ihdr;
34: uint8_t wr_flags;
35: uint16_t wr_chan_freq;
36: uint16_t wr_chan_flags;
37: int8_t wr_dbm_antsignal;
38: } __packed;
39:
40: #define UATH_RX_RADIOTAP_PRESENT \
41: ((1 << IEEE80211_RADIOTAP_FLAGS) | \
42: (1 << IEEE80211_RADIOTAP_CHANNEL) | \
43: (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL))
44:
45: struct uath_tx_radiotap_header {
46: struct ieee80211_radiotap_header wt_ihdr;
47: uint8_t wt_flags;
48: uint16_t wt_chan_freq;
49: uint16_t wt_chan_flags;
50: } __packed;
51:
52: #define UATH_TX_RADIOTAP_PRESENT \
53: ((1 << IEEE80211_RADIOTAP_FLAGS) | \
54: (1 << IEEE80211_RADIOTAP_CHANNEL))
55:
56: struct uath_tx_data {
57: struct uath_softc *sc;
58: usbd_xfer_handle xfer;
59: uint8_t *buf;
60: struct ieee80211_node *ni;
61: };
62:
63: struct uath_rx_data {
64: struct uath_softc *sc;
65: usbd_xfer_handle xfer;
66: uint8_t *buf;
67: SLIST_ENTRY(uath_rx_data) next;
68: };
69:
70: struct uath_tx_cmd {
71: struct uath_softc *sc;
72: usbd_xfer_handle xfer;
73: uint8_t *buf;
74: void *odata;
75: };
76:
77: struct uath_rx_cmd {
78: struct uath_softc *sc;
79: usbd_xfer_handle xfer;
80: uint8_t *buf;
81: };
82:
83: struct uath_wme_settings {
84: uint8_t aifsn;
85: uint8_t logcwmin;
86: uint8_t logcwmax;
87: uint16_t txop;
88: #define UATH_TXOP_TO_US(txop) ((txop) << 5)
89:
90: uint8_t acm;
91: };
92:
93: /* condvars */
94: #define UATH_COND_INIT(sc) ((caddr_t)sc + 1)
95: #define UATH_COND_NOREF(sc) ((caddr_t)sc + 2)
96:
97: /* flags for sending firmware commands */
98: #define UATH_CMD_FLAG_ASYNC (1 << 0)
99: #define UATH_CMD_FLAG_READ (1 << 1)
100: #define UATH_CMD_FLAG_MAGIC (1 << 2)
101:
102: struct uath_softc {
103: struct device sc_dev;
104: struct ieee80211com sc_ic;
105: int (*sc_newstate)(struct ieee80211com *,
106: enum ieee80211_state, int);
107:
108: struct uath_tx_data tx_data[UATH_TX_DATA_LIST_COUNT];
109: struct uath_rx_data rx_data[UATH_RX_DATA_POOL_COUNT];
110:
111: struct uath_tx_cmd tx_cmd[UATH_TX_CMD_LIST_COUNT];
112: struct uath_rx_cmd rx_cmd[UATH_RX_CMD_LIST_COUNT];
113:
114: SLIST_HEAD(, uath_rx_data) rx_freelist;
115:
116: int sc_flags;
117: int sc_dying;
118: int sc_refcnt;
119:
120: int data_idx;
121: int cmd_idx;
122: int tx_queued;
123:
124: usbd_device_handle sc_udev;
125: usbd_device_handle sc_uhub;
126: int sc_port;
127:
128: usbd_interface_handle sc_iface;
129:
130: usbd_pipe_handle data_tx_pipe;
131: usbd_pipe_handle data_rx_pipe;
132: usbd_pipe_handle cmd_tx_pipe;
133: usbd_pipe_handle cmd_rx_pipe;
134:
135: enum ieee80211_state sc_state;
136: int sc_arg;
137: struct usb_task sc_task;
138:
139: struct timeout scan_to;
140: struct timeout stat_to;
141:
142: int sc_tx_timer;
143:
144: int rxbufsz;
145:
146: #if NBPFILTER > 0
147: caddr_t sc_drvbpf;
148:
149: union {
150: struct uath_rx_radiotap_header th;
151: uint8_t pad[64];
152: } sc_rxtapu;
153: #define sc_rxtap sc_rxtapu.th
154: int sc_rxtap_len;
155:
156: union {
157: struct uath_tx_radiotap_header th;
158: uint8_t pad[64];
159: } sc_txtapu;
160: #define sc_txtap sc_txtapu.th
161: int sc_txtap_len;
162: #endif
163: };