4 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
6 * Copyright (c) 2004-2006
7 * Damien Bergamini <damien.bergamini@free.fr>. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice unmodified, this list of conditions, and the following
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #define IPW_MAX_NSEG 1
37 #define IPW_SBD_TYPE_NOASSOC 0
38 #define IPW_SBD_TYPE_COMMAND 1
39 #define IPW_SBD_TYPE_HEADER 2
40 #define IPW_SBD_TYPE_DATA 3
47 SLIST_ENTRY(ipw_soft_hdr) next;
52 struct ieee80211_node *ni;
54 SLIST_ENTRY(ipw_soft_buf) next;
57 struct ipw_rx_radiotap_header {
58 struct ieee80211_radiotap_header wr_ihdr;
60 uint16_t wr_chan_freq;
61 uint16_t wr_chan_flags;
66 #define IPW_RX_RADIOTAP_PRESENT \
67 ((1 << IEEE80211_RADIOTAP_FLAGS) | \
68 (1 << IEEE80211_RADIOTAP_CHANNEL) | \
69 (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) | \
70 (1 << IEEE80211_RADIOTAP_DB_ANTNOISE))
72 struct ipw_tx_radiotap_header {
73 struct ieee80211_radiotap_header wt_ihdr;
75 uint16_t wt_chan_freq;
76 uint16_t wt_chan_flags;
79 #define IPW_TX_RADIOTAP_PRESENT \
80 ((1 << IEEE80211_RADIOTAP_FLAGS) | \
81 (1 << IEEE80211_RADIOTAP_CHANNEL))
84 struct ieee80211vap vap;
86 int (*newstate)(struct ieee80211vap *,
87 enum ieee80211_state, int);
89 #define IPW_VAP(vap) ((struct ipw_vap *)(vap))
92 struct ieee80211com sc_ic;
97 struct task sc_init_task;
98 struct callout sc_wdtimer; /* watchdog timer */
101 #define IPW_FLAG_FW_INITED 0x0001
102 #define IPW_FLAG_INIT_LOCKED 0x0002
103 #define IPW_FLAG_HAS_RADIO_SWITCH 0x0004
104 #define IPW_FLAG_HACK 0x0008
105 #define IPW_FLAG_SCANNING 0x0010
106 #define IPW_FLAG_ENABLED 0x0020
107 #define IPW_FLAG_BUSY 0x0040
108 #define IPW_FLAG_ASSOCIATING 0x0080
109 #define IPW_FLAG_ASSOCIATED 0x0100
110 #define IPW_FLAG_RUNNING 0x0200
112 struct resource *irq;
113 struct resource *mem;
114 bus_space_tag_t sc_st;
115 bus_space_handle_t sc_sh;
117 const struct firmware *sc_firmware;
122 bus_dma_tag_t parent_dmat;
123 bus_dma_tag_t tbd_dmat;
124 bus_dma_tag_t rbd_dmat;
125 bus_dma_tag_t status_dmat;
126 bus_dma_tag_t cmd_dmat;
127 bus_dma_tag_t hdr_dmat;
128 bus_dma_tag_t txbuf_dmat;
129 bus_dma_tag_t rxbuf_dmat;
131 bus_dmamap_t tbd_map;
132 bus_dmamap_t rbd_map;
133 bus_dmamap_t status_map;
134 bus_dmamap_t cmd_map;
138 bus_addr_t status_phys;
140 struct ipw_bd *tbd_list;
141 struct ipw_bd *rbd_list;
142 struct ipw_status *status_list;
145 struct ipw_soft_bd stbd_list[IPW_NTBD];
146 struct ipw_soft_buf tx_sbuf_list[IPW_NDATA];
147 struct ipw_soft_hdr shdr_list[IPW_NDATA];
148 struct ipw_soft_bd srbd_list[IPW_NRBD];
149 struct ipw_soft_buf rx_sbuf_list[IPW_NRBD];
151 SLIST_HEAD(, ipw_soft_hdr) free_shdr;
152 SLIST_HEAD(, ipw_soft_buf) free_sbuf;
154 uint32_t table1_base;
155 uint32_t table2_base;
164 struct ipw_rx_radiotap_header sc_rxtap;
165 struct ipw_tx_radiotap_header sc_txtap;
169 * NB.: This models the only instance of async locking in ipw_init_locked
170 * and must be kept in sync.
172 #define IPW_LOCK(sc) mtx_lock(&sc->sc_mtx);
173 #define IPW_UNLOCK(sc) mtx_unlock(&sc->sc_mtx);
174 #define IPW_LOCK_ASSERT(sc) mtx_assert(&(sc)->sc_mtx, MA_OWNED)