xref: /freebsd/sys/dev/iwi/if_iwi.c (revision 4982d693acda5544f7f94e01714caba872a6dbfb)
1ceaec73dSDamien Bergamini /*-
2c10b1400SMax Laier  * Copyright (c) 2004, 2005
3ceaec73dSDamien Bergamini  *      Damien Bergamini <damien.bergamini@free.fr>. All rights reserved.
4c10b1400SMax Laier  * Copyright (c) 2005-2006 Sam Leffler, Errno Consulting
58d399898SAndrew Thompson  * Copyright (c) 2007 Andrew Thompson <thompsa@FreeBSD.org>
6ceaec73dSDamien Bergamini  *
7ceaec73dSDamien Bergamini  * Redistribution and use in source and binary forms, with or without
8ceaec73dSDamien Bergamini  * modification, are permitted provided that the following conditions
9ceaec73dSDamien Bergamini  * are met:
10ceaec73dSDamien Bergamini  * 1. Redistributions of source code must retain the above copyright
11ceaec73dSDamien Bergamini  *    notice unmodified, this list of conditions, and the following
12ceaec73dSDamien Bergamini  *    disclaimer.
13ceaec73dSDamien Bergamini  * 2. Redistributions in binary form must reproduce the above copyright
14ceaec73dSDamien Bergamini  *    notice, this list of conditions and the following disclaimer in the
15ceaec73dSDamien Bergamini  *    documentation and/or other materials provided with the distribution.
16ceaec73dSDamien Bergamini  *
17ceaec73dSDamien Bergamini  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18ceaec73dSDamien Bergamini  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19ceaec73dSDamien Bergamini  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20ceaec73dSDamien Bergamini  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21ceaec73dSDamien Bergamini  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22ceaec73dSDamien Bergamini  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23ceaec73dSDamien Bergamini  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24ceaec73dSDamien Bergamini  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25ceaec73dSDamien Bergamini  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26ceaec73dSDamien Bergamini  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27ceaec73dSDamien Bergamini  * SUCH DAMAGE.
28ceaec73dSDamien Bergamini  */
29ceaec73dSDamien Bergamini 
30ceaec73dSDamien Bergamini #include <sys/cdefs.h>
31ceaec73dSDamien Bergamini __FBSDID("$FreeBSD$");
32ceaec73dSDamien Bergamini 
33ceaec73dSDamien Bergamini /*-
34ceaec73dSDamien Bergamini  * Intel(R) PRO/Wireless 2200BG/2225BG/2915ABG driver
35ceaec73dSDamien Bergamini  * http://www.intel.com/network/connectivity/products/wireless/prowireless_mobile.htm
36ceaec73dSDamien Bergamini  */
37ceaec73dSDamien Bergamini 
38ceaec73dSDamien Bergamini #include <sys/param.h>
39ceaec73dSDamien Bergamini #include <sys/sysctl.h>
40ceaec73dSDamien Bergamini #include <sys/sockio.h>
41ceaec73dSDamien Bergamini #include <sys/mbuf.h>
42ceaec73dSDamien Bergamini #include <sys/kernel.h>
43ceaec73dSDamien Bergamini #include <sys/socket.h>
44ceaec73dSDamien Bergamini #include <sys/systm.h>
45ceaec73dSDamien Bergamini #include <sys/malloc.h>
46f910c56cSKevin Lo #include <sys/lock.h>
47f910c56cSKevin Lo #include <sys/mutex.h>
48ceaec73dSDamien Bergamini #include <sys/module.h>
49ceaec73dSDamien Bergamini #include <sys/bus.h>
50ceaec73dSDamien Bergamini #include <sys/endian.h>
51c10b1400SMax Laier #include <sys/proc.h>
52c10b1400SMax Laier #include <sys/mount.h>
53c10b1400SMax Laier #include <sys/namei.h>
54bef9529dSDamien Bergamini #include <sys/linker.h>
55bef9529dSDamien Bergamini #include <sys/firmware.h>
56c10b1400SMax Laier #include <sys/taskqueue.h>
57ceaec73dSDamien Bergamini 
58ceaec73dSDamien Bergamini #include <machine/bus.h>
59ceaec73dSDamien Bergamini #include <machine/resource.h>
60ceaec73dSDamien Bergamini #include <sys/rman.h>
61ceaec73dSDamien Bergamini 
62ceaec73dSDamien Bergamini #include <dev/pci/pcireg.h>
63ceaec73dSDamien Bergamini #include <dev/pci/pcivar.h>
64ceaec73dSDamien Bergamini 
65ceaec73dSDamien Bergamini #include <net/bpf.h>
66ceaec73dSDamien Bergamini #include <net/if.h>
6776039bc8SGleb Smirnoff #include <net/if_var.h>
68ceaec73dSDamien Bergamini #include <net/if_arp.h>
69ceaec73dSDamien Bergamini #include <net/ethernet.h>
70ceaec73dSDamien Bergamini #include <net/if_dl.h>
71ceaec73dSDamien Bergamini #include <net/if_media.h>
72ceaec73dSDamien Bergamini #include <net/if_types.h>
73ceaec73dSDamien Bergamini 
74ceaec73dSDamien Bergamini #include <net80211/ieee80211_var.h>
75ceaec73dSDamien Bergamini #include <net80211/ieee80211_radiotap.h>
76b032f27cSSam Leffler #include <net80211/ieee80211_input.h>
7768e8e04eSSam Leffler #include <net80211/ieee80211_regdomain.h>
78ceaec73dSDamien Bergamini 
79ceaec73dSDamien Bergamini #include <netinet/in.h>
80ceaec73dSDamien Bergamini #include <netinet/in_systm.h>
81ceaec73dSDamien Bergamini #include <netinet/in_var.h>
82ceaec73dSDamien Bergamini #include <netinet/ip.h>
83ceaec73dSDamien Bergamini #include <netinet/if_ether.h>
84ceaec73dSDamien Bergamini 
8584f55b29SDamien Bergamini #include <dev/iwi/if_iwireg.h>
86c10b1400SMax Laier #include <dev/iwi/if_iwivar.h>
87*4982d693SAdrian Chadd #include <dev/iwi/if_iwi_ioctl.h>
88ceaec73dSDamien Bergamini 
89c10b1400SMax Laier #define IWI_DEBUG
90ceaec73dSDamien Bergamini #ifdef IWI_DEBUG
91ceaec73dSDamien Bergamini #define DPRINTF(x)	do { if (iwi_debug > 0) printf x; } while (0)
92ceaec73dSDamien Bergamini #define DPRINTFN(n, x)	do { if (iwi_debug >= (n)) printf x; } while (0)
93ceaec73dSDamien Bergamini int iwi_debug = 0;
94ceaec73dSDamien Bergamini SYSCTL_INT(_debug, OID_AUTO, iwi, CTLFLAG_RW, &iwi_debug, 0, "iwi debug level");
95b032f27cSSam Leffler 
96b032f27cSSam Leffler static const char *iwi_fw_states[] = {
97b032f27cSSam Leffler 	"IDLE", 		/* IWI_FW_IDLE */
98b032f27cSSam Leffler 	"LOADING",		/* IWI_FW_LOADING */
99b032f27cSSam Leffler 	"ASSOCIATING",		/* IWI_FW_ASSOCIATING */
100b032f27cSSam Leffler 	"DISASSOCIATING",	/* IWI_FW_DISASSOCIATING */
101b032f27cSSam Leffler 	"SCANNING",		/* IWI_FW_SCANNING */
102b032f27cSSam Leffler };
103ceaec73dSDamien Bergamini #else
104ceaec73dSDamien Bergamini #define DPRINTF(x)
105ceaec73dSDamien Bergamini #define DPRINTFN(n, x)
106ceaec73dSDamien Bergamini #endif
107ceaec73dSDamien Bergamini 
108ceaec73dSDamien Bergamini MODULE_DEPEND(iwi, pci,  1, 1, 1);
109ceaec73dSDamien Bergamini MODULE_DEPEND(iwi, wlan, 1, 1, 1);
1104f5d0153SDamien Bergamini MODULE_DEPEND(iwi, firmware, 1, 1, 1);
111ceaec73dSDamien Bergamini 
112c10b1400SMax Laier enum {
113c10b1400SMax Laier 	IWI_LED_TX,
114c10b1400SMax Laier 	IWI_LED_RX,
115c10b1400SMax Laier 	IWI_LED_POLL,
116c10b1400SMax Laier };
117c10b1400SMax Laier 
118ceaec73dSDamien Bergamini struct iwi_ident {
119ceaec73dSDamien Bergamini 	uint16_t	vendor;
120ceaec73dSDamien Bergamini 	uint16_t	device;
121ceaec73dSDamien Bergamini 	const char	*name;
122ceaec73dSDamien Bergamini };
123ceaec73dSDamien Bergamini 
124ceaec73dSDamien Bergamini static const struct iwi_ident iwi_ident_table[] = {
125ceaec73dSDamien Bergamini 	{ 0x8086, 0x4220, "Intel(R) PRO/Wireless 2200BG" },
126ceaec73dSDamien Bergamini 	{ 0x8086, 0x4221, "Intel(R) PRO/Wireless 2225BG" },
127ceaec73dSDamien Bergamini 	{ 0x8086, 0x4223, "Intel(R) PRO/Wireless 2915ABG" },
128ceaec73dSDamien Bergamini 	{ 0x8086, 0x4224, "Intel(R) PRO/Wireless 2915ABG" },
129ceaec73dSDamien Bergamini 
130ceaec73dSDamien Bergamini 	{ 0, 0, NULL }
131ceaec73dSDamien Bergamini };
132ceaec73dSDamien Bergamini 
133b032f27cSSam Leffler static struct ieee80211vap *iwi_vap_create(struct ieee80211com *,
134fcd9500fSBernhard Schmidt 		    const char [IFNAMSIZ], int, enum ieee80211_opmode, int,
135fcd9500fSBernhard Schmidt 		    const uint8_t [IEEE80211_ADDR_LEN],
136fcd9500fSBernhard Schmidt 		    const uint8_t [IEEE80211_ADDR_LEN]);
137b032f27cSSam Leffler static void	iwi_vap_delete(struct ieee80211vap *);
138ceaec73dSDamien Bergamini static void	iwi_dma_map_addr(void *, bus_dma_segment_t *, int, int);
139ceaec73dSDamien Bergamini static int	iwi_alloc_cmd_ring(struct iwi_softc *, struct iwi_cmd_ring *,
140ceaec73dSDamien Bergamini 		    int);
141ceaec73dSDamien Bergamini static void	iwi_reset_cmd_ring(struct iwi_softc *, struct iwi_cmd_ring *);
142ceaec73dSDamien Bergamini static void	iwi_free_cmd_ring(struct iwi_softc *, struct iwi_cmd_ring *);
143ceaec73dSDamien Bergamini static int	iwi_alloc_tx_ring(struct iwi_softc *, struct iwi_tx_ring *,
144ec01dc2bSDamien Bergamini 		    int, bus_addr_t, bus_addr_t);
145ceaec73dSDamien Bergamini static void	iwi_reset_tx_ring(struct iwi_softc *, struct iwi_tx_ring *);
146ceaec73dSDamien Bergamini static void	iwi_free_tx_ring(struct iwi_softc *, struct iwi_tx_ring *);
147ceaec73dSDamien Bergamini static int	iwi_alloc_rx_ring(struct iwi_softc *, struct iwi_rx_ring *,
148ceaec73dSDamien Bergamini 		    int);
149ceaec73dSDamien Bergamini static void	iwi_reset_rx_ring(struct iwi_softc *, struct iwi_rx_ring *);
150ceaec73dSDamien Bergamini static void	iwi_free_rx_ring(struct iwi_softc *, struct iwi_rx_ring *);
15138c208f8SSam Leffler static struct ieee80211_node *iwi_node_alloc(struct ieee80211vap *,
15238c208f8SSam Leffler 		    const uint8_t [IEEE80211_ADDR_LEN]);
15328a38073SDamien Bergamini static void	iwi_node_free(struct ieee80211_node *);
154ceaec73dSDamien Bergamini static void	iwi_media_status(struct ifnet *, struct ifmediareq *);
155b032f27cSSam Leffler static int	iwi_newstate(struct ieee80211vap *, enum ieee80211_state, int);
156c10b1400SMax Laier static void	iwi_wme_init(struct iwi_softc *);
157b032f27cSSam Leffler static int	iwi_wme_setparams(struct iwi_softc *, struct ieee80211com *);
158853569c6SSam Leffler static void	iwi_update_wme(void *, int);
159ec01dc2bSDamien Bergamini static int	iwi_wme_update(struct ieee80211com *);
160ceaec73dSDamien Bergamini static uint16_t	iwi_read_prom_word(struct iwi_softc *, uint8_t);
161ceaec73dSDamien Bergamini static void	iwi_frame_intr(struct iwi_softc *, struct iwi_rx_data *, int,
162ceaec73dSDamien Bergamini 		    struct iwi_frame *);
163ceaec73dSDamien Bergamini static void	iwi_notification_intr(struct iwi_softc *, struct iwi_notif *);
164ceaec73dSDamien Bergamini static void	iwi_rx_intr(struct iwi_softc *);
165ec01dc2bSDamien Bergamini static void	iwi_tx_intr(struct iwi_softc *, struct iwi_tx_ring *);
166ceaec73dSDamien Bergamini static void	iwi_intr(void *);
167c10b1400SMax Laier static int	iwi_cmd(struct iwi_softc *, uint8_t, void *, uint8_t);
168c10b1400SMax Laier static void	iwi_write_ibssnode(struct iwi_softc *, const u_int8_t [], int);
169ceaec73dSDamien Bergamini static int	iwi_tx_start(struct ifnet *, struct mbuf *,
1700b74a285SDamien Bergamini 		    struct ieee80211_node *, int);
171b032f27cSSam Leffler static int	iwi_raw_xmit(struct ieee80211_node *, struct mbuf *,
172b032f27cSSam Leffler 		    const struct ieee80211_bpf_params *);
173b032f27cSSam Leffler static void	iwi_start_locked(struct ifnet *);
174ceaec73dSDamien Bergamini static void	iwi_start(struct ifnet *);
17568e8e04eSSam Leffler static void	iwi_watchdog(void *);
176ceaec73dSDamien Bergamini static int	iwi_ioctl(struct ifnet *, u_long, caddr_t);
177ceaec73dSDamien Bergamini static void	iwi_stop_master(struct iwi_softc *);
178ceaec73dSDamien Bergamini static int	iwi_reset(struct iwi_softc *);
179c10b1400SMax Laier static int	iwi_load_ucode(struct iwi_softc *, const struct iwi_fw *);
180c10b1400SMax Laier static int	iwi_load_firmware(struct iwi_softc *, const struct iwi_fw *);
181484f6530SLuigi Rizzo static void	iwi_release_fw_dma(struct iwi_softc *sc);
182ceaec73dSDamien Bergamini static int	iwi_config(struct iwi_softc *);
183b032f27cSSam Leffler static int	iwi_get_firmware(struct iwi_softc *, enum ieee80211_opmode);
184c10b1400SMax Laier static void	iwi_put_firmware(struct iwi_softc *);
18540668dc5SBernhard Schmidt static void	iwi_monitor_scan(void *, int);
18668e8e04eSSam Leffler static int	iwi_scanchan(struct iwi_softc *, unsigned long, int);
18768e8e04eSSam Leffler static void	iwi_scan_start(struct ieee80211com *);
18868e8e04eSSam Leffler static void	iwi_scan_end(struct ieee80211com *);
18968e8e04eSSam Leffler static void	iwi_set_channel(struct ieee80211com *);
190b032f27cSSam Leffler static void	iwi_scan_curchan(struct ieee80211_scan_state *, unsigned long maxdwell);
191b032f27cSSam Leffler static void	iwi_scan_mindwell(struct ieee80211_scan_state *);
192b032f27cSSam Leffler static int	iwi_auth_and_assoc(struct iwi_softc *, struct ieee80211vap *);
1935efea30fSAndrew Thompson static void	iwi_disassoc(void *, int);
194c10b1400SMax Laier static int	iwi_disassociate(struct iwi_softc *, int quiet);
195b032f27cSSam Leffler static void	iwi_init_locked(struct iwi_softc *);
196ceaec73dSDamien Bergamini static void	iwi_init(void *);
197b032f27cSSam Leffler static int	iwi_init_fw_dma(struct iwi_softc *, int);
198b032f27cSSam Leffler static void	iwi_stop_locked(void *);
199b032f27cSSam Leffler static void	iwi_stop(struct iwi_softc *);
200c10b1400SMax Laier static void	iwi_restart(void *, int);
201c10b1400SMax Laier static int	iwi_getrfkill(struct iwi_softc *);
202c10b1400SMax Laier static void	iwi_radio_on(void *, int);
203c10b1400SMax Laier static void	iwi_radio_off(void *, int);
204c10b1400SMax Laier static void	iwi_sysctlattach(struct iwi_softc *);
205c10b1400SMax Laier static void	iwi_led_event(struct iwi_softc *, int);
206c10b1400SMax Laier static void	iwi_ledattach(struct iwi_softc *);
207ceaec73dSDamien Bergamini 
208ceaec73dSDamien Bergamini static int iwi_probe(device_t);
209ceaec73dSDamien Bergamini static int iwi_attach(device_t);
210ceaec73dSDamien Bergamini static int iwi_detach(device_t);
211ceaec73dSDamien Bergamini static int iwi_shutdown(device_t);
212ceaec73dSDamien Bergamini static int iwi_suspend(device_t);
213ceaec73dSDamien Bergamini static int iwi_resume(device_t);
214ceaec73dSDamien Bergamini 
215ceaec73dSDamien Bergamini static device_method_t iwi_methods[] = {
216ceaec73dSDamien Bergamini 	/* Device interface */
217ceaec73dSDamien Bergamini 	DEVMETHOD(device_probe,		iwi_probe),
218ceaec73dSDamien Bergamini 	DEVMETHOD(device_attach,	iwi_attach),
219ceaec73dSDamien Bergamini 	DEVMETHOD(device_detach,	iwi_detach),
220ceaec73dSDamien Bergamini 	DEVMETHOD(device_shutdown,	iwi_shutdown),
221ceaec73dSDamien Bergamini 	DEVMETHOD(device_suspend,	iwi_suspend),
222ceaec73dSDamien Bergamini 	DEVMETHOD(device_resume,	iwi_resume),
223ceaec73dSDamien Bergamini 
2240a9d8839SMarius Strobl 	DEVMETHOD_END
225ceaec73dSDamien Bergamini };
226ceaec73dSDamien Bergamini 
227ceaec73dSDamien Bergamini static driver_t iwi_driver = {
228ceaec73dSDamien Bergamini 	"iwi",
229ceaec73dSDamien Bergamini 	iwi_methods,
230ceaec73dSDamien Bergamini 	sizeof (struct iwi_softc)
231ceaec73dSDamien Bergamini };
232ceaec73dSDamien Bergamini 
233ceaec73dSDamien Bergamini static devclass_t iwi_devclass;
234ceaec73dSDamien Bergamini 
2350a9d8839SMarius Strobl DRIVER_MODULE(iwi, pci, iwi_driver, iwi_devclass, NULL, NULL);
236ceaec73dSDamien Bergamini 
237129145a4SBernhard Schmidt MODULE_VERSION(iwi, 1);
238129145a4SBernhard Schmidt 
239c10b1400SMax Laier static __inline uint8_t
240c10b1400SMax Laier MEM_READ_1(struct iwi_softc *sc, uint32_t addr)
241c10b1400SMax Laier {
242c10b1400SMax Laier 	CSR_WRITE_4(sc, IWI_CSR_INDIRECT_ADDR, addr);
243c10b1400SMax Laier 	return CSR_READ_1(sc, IWI_CSR_INDIRECT_DATA);
244c10b1400SMax Laier }
245c10b1400SMax Laier 
246c10b1400SMax Laier static __inline uint32_t
247c10b1400SMax Laier MEM_READ_4(struct iwi_softc *sc, uint32_t addr)
248c10b1400SMax Laier {
249c10b1400SMax Laier 	CSR_WRITE_4(sc, IWI_CSR_INDIRECT_ADDR, addr);
250c10b1400SMax Laier 	return CSR_READ_4(sc, IWI_CSR_INDIRECT_DATA);
251c10b1400SMax Laier }
252c10b1400SMax Laier 
253ceaec73dSDamien Bergamini static int
254ceaec73dSDamien Bergamini iwi_probe(device_t dev)
255ceaec73dSDamien Bergamini {
256ceaec73dSDamien Bergamini 	const struct iwi_ident *ident;
257ceaec73dSDamien Bergamini 
258ceaec73dSDamien Bergamini 	for (ident = iwi_ident_table; ident->name != NULL; ident++) {
259ceaec73dSDamien Bergamini 		if (pci_get_vendor(dev) == ident->vendor &&
260ceaec73dSDamien Bergamini 		    pci_get_device(dev) == ident->device) {
261ceaec73dSDamien Bergamini 			device_set_desc(dev, ident->name);
2620a9d8839SMarius Strobl 			return (BUS_PROBE_DEFAULT);
263ceaec73dSDamien Bergamini 		}
264ceaec73dSDamien Bergamini 	}
265ceaec73dSDamien Bergamini 	return ENXIO;
266ceaec73dSDamien Bergamini }
267ceaec73dSDamien Bergamini 
268ceaec73dSDamien Bergamini static int
269ceaec73dSDamien Bergamini iwi_attach(device_t dev)
270ceaec73dSDamien Bergamini {
271ceaec73dSDamien Bergamini 	struct iwi_softc *sc = device_get_softc(dev);
272fc74a9f9SBrooks Davis 	struct ifnet *ifp;
273b032f27cSSam Leffler 	struct ieee80211com *ic;
274ceaec73dSDamien Bergamini 	uint16_t val;
275b032f27cSSam Leffler 	int i, error;
276b032f27cSSam Leffler 	uint8_t bands;
27729aca940SSam Leffler 	uint8_t macaddr[IEEE80211_ADDR_LEN];
278ceaec73dSDamien Bergamini 
279ceaec73dSDamien Bergamini 	sc->sc_dev = dev;
280ceaec73dSDamien Bergamini 
281b032f27cSSam Leffler 	ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211);
282b032f27cSSam Leffler 	if (ifp == NULL) {
283b032f27cSSam Leffler 		device_printf(dev, "can not if_alloc()\n");
284b032f27cSSam Leffler 		return ENXIO;
285b032f27cSSam Leffler 	}
286b032f27cSSam Leffler 	ic = ifp->if_l2com;
287b032f27cSSam Leffler 
28868e8e04eSSam Leffler 	IWI_LOCK_INIT(sc);
289ceaec73dSDamien Bergamini 
290c10b1400SMax Laier 	sc->sc_unr = new_unrhdr(1, IWI_MAX_IBSSNODE-1, &sc->sc_mtx);
29128a38073SDamien Bergamini 
292c10b1400SMax Laier 	TASK_INIT(&sc->sc_radiontask, 0, iwi_radio_on, sc);
293c10b1400SMax Laier 	TASK_INIT(&sc->sc_radiofftask, 0, iwi_radio_off, sc);
294c10b1400SMax Laier 	TASK_INIT(&sc->sc_restarttask, 0, iwi_restart, sc);
2955efea30fSAndrew Thompson 	TASK_INIT(&sc->sc_disassoctask, 0, iwi_disassoc, sc);
296853569c6SSam Leffler 	TASK_INIT(&sc->sc_wmetask, 0, iwi_update_wme, sc);
29740668dc5SBernhard Schmidt 	TASK_INIT(&sc->sc_monitortask, 0, iwi_monitor_scan, sc);
2985efea30fSAndrew Thompson 
29968e8e04eSSam Leffler 	callout_init_mtx(&sc->sc_wdtimer, &sc->sc_mtx, 0);
300b032f27cSSam Leffler 	callout_init_mtx(&sc->sc_rftimer, &sc->sc_mtx, 0);
3011b996b2aSDamien Bergamini 
302acea4241SDamien Bergamini 	pci_write_config(dev, 0x41, 0, 1);
303acea4241SDamien Bergamini 
304ceaec73dSDamien Bergamini 	/* enable bus-mastering */
305ceaec73dSDamien Bergamini 	pci_enable_busmaster(dev);
306ceaec73dSDamien Bergamini 
3070a9d8839SMarius Strobl 	i = PCIR_BAR(0);
3080a9d8839SMarius Strobl 	sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &i, RF_ACTIVE);
309ceaec73dSDamien Bergamini 	if (sc->mem == NULL) {
310ceaec73dSDamien Bergamini 		device_printf(dev, "could not allocate memory resource\n");
311ceaec73dSDamien Bergamini 		goto fail;
312ceaec73dSDamien Bergamini 	}
313ceaec73dSDamien Bergamini 
314ceaec73dSDamien Bergamini 	sc->sc_st = rman_get_bustag(sc->mem);
315ceaec73dSDamien Bergamini 	sc->sc_sh = rman_get_bushandle(sc->mem);
316ceaec73dSDamien Bergamini 
3170a9d8839SMarius Strobl 	i = 0;
3180a9d8839SMarius Strobl 	sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &i,
319ceaec73dSDamien Bergamini 	    RF_ACTIVE | RF_SHAREABLE);
320ceaec73dSDamien Bergamini 	if (sc->irq == NULL) {
321ceaec73dSDamien Bergamini 		device_printf(dev, "could not allocate interrupt resource\n");
322ceaec73dSDamien Bergamini 		goto fail;
323ceaec73dSDamien Bergamini 	}
324ceaec73dSDamien Bergamini 
325ceaec73dSDamien Bergamini 	if (iwi_reset(sc) != 0) {
326ceaec73dSDamien Bergamini 		device_printf(dev, "could not reset adapter\n");
327ceaec73dSDamien Bergamini 		goto fail;
328ceaec73dSDamien Bergamini 	}
329ceaec73dSDamien Bergamini 
330ceaec73dSDamien Bergamini 	/*
331ceaec73dSDamien Bergamini 	 * Allocate rings.
332ceaec73dSDamien Bergamini 	 */
333ceaec73dSDamien Bergamini 	if (iwi_alloc_cmd_ring(sc, &sc->cmdq, IWI_CMD_RING_COUNT) != 0) {
334ceaec73dSDamien Bergamini 		device_printf(dev, "could not allocate Cmd ring\n");
335ceaec73dSDamien Bergamini 		goto fail;
336ceaec73dSDamien Bergamini 	}
337ceaec73dSDamien Bergamini 
338484f6530SLuigi Rizzo 	for (i = 0; i < 4; i++) {
339484f6530SLuigi Rizzo 		error = iwi_alloc_tx_ring(sc, &sc->txq[i], IWI_TX_RING_COUNT,
340484f6530SLuigi Rizzo 		    IWI_CSR_TX1_RIDX + i * 4,
341484f6530SLuigi Rizzo 		    IWI_CSR_TX1_WIDX + i * 4);
342ec01dc2bSDamien Bergamini 		if (error != 0) {
343484f6530SLuigi Rizzo 			device_printf(dev, "could not allocate Tx ring %d\n",
344484f6530SLuigi Rizzo 				i+i);
345ec01dc2bSDamien Bergamini 			goto fail;
346ec01dc2bSDamien Bergamini 		}
347ceaec73dSDamien Bergamini 	}
348ceaec73dSDamien Bergamini 
349ceaec73dSDamien Bergamini 	if (iwi_alloc_rx_ring(sc, &sc->rxq, IWI_RX_RING_COUNT) != 0) {
350ceaec73dSDamien Bergamini 		device_printf(dev, "could not allocate Rx ring\n");
351ceaec73dSDamien Bergamini 		goto fail;
352ceaec73dSDamien Bergamini 	}
353ceaec73dSDamien Bergamini 
354c10b1400SMax Laier 	iwi_wme_init(sc);
355c10b1400SMax Laier 
356ceaec73dSDamien Bergamini 	ifp->if_softc = sc;
357ceaec73dSDamien Bergamini 	if_initname(ifp, device_get_name(dev), device_get_unit(dev));
358ceaec73dSDamien Bergamini 	ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
359ceaec73dSDamien Bergamini 	ifp->if_init = iwi_init;
360ceaec73dSDamien Bergamini 	ifp->if_ioctl = iwi_ioctl;
361ceaec73dSDamien Bergamini 	ifp->if_start = iwi_start;
362e50d35e6SMaxim Sobolev 	IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen);
363e50d35e6SMaxim Sobolev 	ifp->if_snd.ifq_drv_maxlen = ifqmaxlen;
364ceaec73dSDamien Bergamini 	IFQ_SET_READY(&ifp->if_snd);
365ceaec73dSDamien Bergamini 
366b032f27cSSam Leffler 	ic->ic_ifp = ifp;
367b032f27cSSam Leffler 	ic->ic_opmode = IEEE80211_M_STA;
368ceaec73dSDamien Bergamini 	ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */
369ceaec73dSDamien Bergamini 
370ceaec73dSDamien Bergamini 	/* set device capabilities */
371ec01dc2bSDamien Bergamini 	ic->ic_caps =
372c43feedeSSam Leffler 	      IEEE80211_C_STA		/* station mode supported */
373c43feedeSSam Leffler 	    | IEEE80211_C_IBSS		/* IBSS mode supported */
37468e8e04eSSam Leffler 	    | IEEE80211_C_MONITOR	/* monitor mode supported */
37568e8e04eSSam Leffler 	    | IEEE80211_C_PMGT		/* power save supported */
37668e8e04eSSam Leffler 	    | IEEE80211_C_SHPREAMBLE	/* short preamble supported */
37768e8e04eSSam Leffler 	    | IEEE80211_C_WPA		/* 802.11i */
37868e8e04eSSam Leffler 	    | IEEE80211_C_WME		/* 802.11e */
379b032f27cSSam Leffler #if 0
38068e8e04eSSam Leffler 	    | IEEE80211_C_BGSCAN	/* capable of bg scanning */
381b032f27cSSam Leffler #endif
38268e8e04eSSam Leffler 	    ;
383ceaec73dSDamien Bergamini 
384ceaec73dSDamien Bergamini 	/* read MAC address from EEPROM */
385ceaec73dSDamien Bergamini 	val = iwi_read_prom_word(sc, IWI_EEPROM_MAC + 0);
38629aca940SSam Leffler 	macaddr[0] = val & 0xff;
38729aca940SSam Leffler 	macaddr[1] = val >> 8;
388ceaec73dSDamien Bergamini 	val = iwi_read_prom_word(sc, IWI_EEPROM_MAC + 1);
38929aca940SSam Leffler 	macaddr[2] = val & 0xff;
39029aca940SSam Leffler 	macaddr[3] = val >> 8;
391ceaec73dSDamien Bergamini 	val = iwi_read_prom_word(sc, IWI_EEPROM_MAC + 2);
39229aca940SSam Leffler 	macaddr[4] = val & 0xff;
39329aca940SSam Leffler 	macaddr[5] = val >> 8;
394ceaec73dSDamien Bergamini 
39568e8e04eSSam Leffler 	bands = 0;
39668e8e04eSSam Leffler 	setbit(&bands, IEEE80211_MODE_11B);
39768e8e04eSSam Leffler 	setbit(&bands, IEEE80211_MODE_11G);
39868e8e04eSSam Leffler 	if (pci_get_device(dev) >= 0x4223)
39968e8e04eSSam Leffler 		setbit(&bands, IEEE80211_MODE_11A);
400b032f27cSSam Leffler 	ieee80211_init_channels(ic, NULL, &bands);
401ceaec73dSDamien Bergamini 
40229aca940SSam Leffler 	ieee80211_ifattach(ic, macaddr);
40328a38073SDamien Bergamini 	/* override default methods */
40428a38073SDamien Bergamini 	ic->ic_node_alloc = iwi_node_alloc;
40528a38073SDamien Bergamini 	sc->sc_node_free = ic->ic_node_free;
40628a38073SDamien Bergamini 	ic->ic_node_free = iwi_node_free;
407b032f27cSSam Leffler 	ic->ic_raw_xmit = iwi_raw_xmit;
40868e8e04eSSam Leffler 	ic->ic_scan_start = iwi_scan_start;
40968e8e04eSSam Leffler 	ic->ic_scan_end = iwi_scan_end;
41068e8e04eSSam Leffler 	ic->ic_set_channel = iwi_set_channel;
41168e8e04eSSam Leffler 	ic->ic_scan_curchan = iwi_scan_curchan;
41268e8e04eSSam Leffler 	ic->ic_scan_mindwell = iwi_scan_mindwell;
413b032f27cSSam Leffler 	ic->ic_wme.wme_update = iwi_wme_update;
41468e8e04eSSam Leffler 
415b032f27cSSam Leffler 	ic->ic_vap_create = iwi_vap_create;
416b032f27cSSam Leffler 	ic->ic_vap_delete = iwi_vap_delete;
417ceaec73dSDamien Bergamini 
4185463c4a4SSam Leffler 	ieee80211_radiotap_attach(ic,
4195463c4a4SSam Leffler 	    &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap),
4205463c4a4SSam Leffler 		IWI_TX_RADIOTAP_PRESENT,
4215463c4a4SSam Leffler 	    &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap),
4225463c4a4SSam Leffler 		IWI_RX_RADIOTAP_PRESENT);
423ceaec73dSDamien Bergamini 
424c10b1400SMax Laier 	iwi_sysctlattach(sc);
425c10b1400SMax Laier 	iwi_ledattach(sc);
426acea4241SDamien Bergamini 
427ceaec73dSDamien Bergamini 	/*
428ceaec73dSDamien Bergamini 	 * Hook our interrupt after all initialization is complete.
429ceaec73dSDamien Bergamini 	 */
430ceaec73dSDamien Bergamini 	error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
431ef544f63SPaolo Pisati 	    NULL, iwi_intr, sc, &sc->sc_ih);
432ceaec73dSDamien Bergamini 	if (error != 0) {
433ceaec73dSDamien Bergamini 		device_printf(dev, "could not set up interrupt\n");
434ceaec73dSDamien Bergamini 		goto fail;
435ceaec73dSDamien Bergamini 	}
436ceaec73dSDamien Bergamini 
437ceaec73dSDamien Bergamini 	if (bootverbose)
438ceaec73dSDamien Bergamini 		ieee80211_announce(ic);
439ceaec73dSDamien Bergamini 
440ceaec73dSDamien Bergamini 	return 0;
441b032f27cSSam Leffler fail:
442b032f27cSSam Leffler 	/* XXX fix */
443b032f27cSSam Leffler 	iwi_detach(dev);
444ceaec73dSDamien Bergamini 	return ENXIO;
445ceaec73dSDamien Bergamini }
446ceaec73dSDamien Bergamini 
447ceaec73dSDamien Bergamini static int
448ceaec73dSDamien Bergamini iwi_detach(device_t dev)
449ceaec73dSDamien Bergamini {
450ceaec73dSDamien Bergamini 	struct iwi_softc *sc = device_get_softc(dev);
451b032f27cSSam Leffler 	struct ifnet *ifp = sc->sc_ifp;
452b032f27cSSam Leffler 	struct ieee80211com *ic = ifp->if_l2com;
453ceaec73dSDamien Bergamini 
4540a9d8839SMarius Strobl 	bus_teardown_intr(dev, sc->irq, sc->sc_ih);
4550a9d8839SMarius Strobl 
456b032f27cSSam Leffler 	/* NB: do early to drain any pending tasks */
4575efea30fSAndrew Thompson 	ieee80211_draintask(ic, &sc->sc_radiontask);
4585efea30fSAndrew Thompson 	ieee80211_draintask(ic, &sc->sc_radiofftask);
4595efea30fSAndrew Thompson 	ieee80211_draintask(ic, &sc->sc_restarttask);
4605efea30fSAndrew Thompson 	ieee80211_draintask(ic, &sc->sc_disassoctask);
46140668dc5SBernhard Schmidt 	ieee80211_draintask(ic, &sc->sc_monitortask);
462b032f27cSSam Leffler 
463b569d213SAndrew Thompson 	iwi_stop(sc);
464b569d213SAndrew Thompson 
465b569d213SAndrew Thompson 	ieee80211_ifdetach(ic);
466b569d213SAndrew Thompson 
467fa6f748fSJohn Baldwin 	iwi_put_firmware(sc);
468484f6530SLuigi Rizzo 	iwi_release_fw_dma(sc);
469ceaec73dSDamien Bergamini 
470ceaec73dSDamien Bergamini 	iwi_free_cmd_ring(sc, &sc->cmdq);
471ec01dc2bSDamien Bergamini 	iwi_free_tx_ring(sc, &sc->txq[0]);
472ec01dc2bSDamien Bergamini 	iwi_free_tx_ring(sc, &sc->txq[1]);
473ec01dc2bSDamien Bergamini 	iwi_free_tx_ring(sc, &sc->txq[2]);
474ec01dc2bSDamien Bergamini 	iwi_free_tx_ring(sc, &sc->txq[3]);
475ceaec73dSDamien Bergamini 	iwi_free_rx_ring(sc, &sc->rxq);
476ceaec73dSDamien Bergamini 
4770a9d8839SMarius Strobl 	bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->irq), sc->irq);
478ceaec73dSDamien Bergamini 
4790a9d8839SMarius Strobl 	bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(sc->mem),
4800a9d8839SMarius Strobl 	    sc->mem);
481ceaec73dSDamien Bergamini 
48228a38073SDamien Bergamini 	delete_unrhdr(sc->sc_unr);
48328a38073SDamien Bergamini 
48468e8e04eSSam Leffler 	IWI_LOCK_DESTROY(sc);
485ceaec73dSDamien Bergamini 
486b032f27cSSam Leffler 	if_free(ifp);
487b032f27cSSam Leffler 
488ceaec73dSDamien Bergamini 	return 0;
489ceaec73dSDamien Bergamini }
490ceaec73dSDamien Bergamini 
491b032f27cSSam Leffler static struct ieee80211vap *
492fcd9500fSBernhard Schmidt iwi_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit,
493fcd9500fSBernhard Schmidt     enum ieee80211_opmode opmode, int flags,
494b032f27cSSam Leffler     const uint8_t bssid[IEEE80211_ADDR_LEN],
495b032f27cSSam Leffler     const uint8_t mac[IEEE80211_ADDR_LEN])
496b032f27cSSam Leffler {
497b032f27cSSam Leffler 	struct ifnet *ifp = ic->ic_ifp;
498b032f27cSSam Leffler 	struct iwi_softc *sc = ifp->if_softc;
499b032f27cSSam Leffler 	struct iwi_vap *ivp;
500b032f27cSSam Leffler 	struct ieee80211vap *vap;
501b032f27cSSam Leffler 	int i;
502b032f27cSSam Leffler 
503b032f27cSSam Leffler 	if (!TAILQ_EMPTY(&ic->ic_vaps))		/* only one at a time */
504b032f27cSSam Leffler 		return NULL;
505b032f27cSSam Leffler 	/*
506b032f27cSSam Leffler 	 * Get firmware image (and possibly dma memory) on mode change.
507b032f27cSSam Leffler 	 */
508b032f27cSSam Leffler 	if (iwi_get_firmware(sc, opmode))
509b032f27cSSam Leffler 		return NULL;
510b032f27cSSam Leffler 	/* allocate DMA memory for mapping firmware image */
511b032f27cSSam Leffler 	i = sc->fw_fw.size;
512b032f27cSSam Leffler 	if (sc->fw_boot.size > i)
513b032f27cSSam Leffler 		i = sc->fw_boot.size;
514b032f27cSSam Leffler 	/* XXX do we dma the ucode as well ? */
515b032f27cSSam Leffler 	if (sc->fw_uc.size > i)
516b032f27cSSam Leffler 		i = sc->fw_uc.size;
517b032f27cSSam Leffler 	if (iwi_init_fw_dma(sc, i))
518b032f27cSSam Leffler 		return NULL;
519b032f27cSSam Leffler 
520b032f27cSSam Leffler 	ivp = (struct iwi_vap *) malloc(sizeof(struct iwi_vap),
521b032f27cSSam Leffler 	    M_80211_VAP, M_NOWAIT | M_ZERO);
522b032f27cSSam Leffler 	if (ivp == NULL)
523b032f27cSSam Leffler 		return NULL;
524b032f27cSSam Leffler 	vap = &ivp->iwi_vap;
525b032f27cSSam Leffler 	ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
526b032f27cSSam Leffler 	/* override the default, the setting comes from the linux driver */
527b032f27cSSam Leffler 	vap->iv_bmissthreshold = 24;
528b032f27cSSam Leffler 	/* override with driver methods */
529b032f27cSSam Leffler 	ivp->iwi_newstate = vap->iv_newstate;
530b032f27cSSam Leffler 	vap->iv_newstate = iwi_newstate;
531b032f27cSSam Leffler 
532b032f27cSSam Leffler 	/* complete setup */
533b032f27cSSam Leffler 	ieee80211_vap_attach(vap, ieee80211_media_change, iwi_media_status);
534b032f27cSSam Leffler 	ic->ic_opmode = opmode;
535b032f27cSSam Leffler 	return vap;
536b032f27cSSam Leffler }
537b032f27cSSam Leffler 
538b032f27cSSam Leffler static void
539b032f27cSSam Leffler iwi_vap_delete(struct ieee80211vap *vap)
540b032f27cSSam Leffler {
541b032f27cSSam Leffler 	struct iwi_vap *ivp = IWI_VAP(vap);
542b032f27cSSam Leffler 
543b032f27cSSam Leffler 	ieee80211_vap_detach(vap);
544b032f27cSSam Leffler 	free(ivp, M_80211_VAP);
545b032f27cSSam Leffler }
546b032f27cSSam Leffler 
547ceaec73dSDamien Bergamini static void
548ceaec73dSDamien Bergamini iwi_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error)
549ceaec73dSDamien Bergamini {
550ceaec73dSDamien Bergamini 	if (error != 0)
551ceaec73dSDamien Bergamini 		return;
552ceaec73dSDamien Bergamini 
553ceaec73dSDamien Bergamini 	KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
554ceaec73dSDamien Bergamini 
555ceaec73dSDamien Bergamini 	*(bus_addr_t *)arg = segs[0].ds_addr;
556ceaec73dSDamien Bergamini }
557ceaec73dSDamien Bergamini 
558ceaec73dSDamien Bergamini static int
559ceaec73dSDamien Bergamini iwi_alloc_cmd_ring(struct iwi_softc *sc, struct iwi_cmd_ring *ring, int count)
560ceaec73dSDamien Bergamini {
561ceaec73dSDamien Bergamini 	int error;
562ceaec73dSDamien Bergamini 
563ceaec73dSDamien Bergamini 	ring->count = count;
564ceaec73dSDamien Bergamini 	ring->queued = 0;
565ceaec73dSDamien Bergamini 	ring->cur = ring->next = 0;
566ceaec73dSDamien Bergamini 
567b0ea96dfSKevin Lo 	error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 4, 0,
568b0ea96dfSKevin Lo 	    BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
569b0ea96dfSKevin Lo 	    count * IWI_CMD_DESC_SIZE, 1, count * IWI_CMD_DESC_SIZE, 0,
570b0ea96dfSKevin Lo 	    NULL, NULL, &ring->desc_dmat);
571ceaec73dSDamien Bergamini 	if (error != 0) {
572ceaec73dSDamien Bergamini 		device_printf(sc->sc_dev, "could not create desc DMA tag\n");
573ceaec73dSDamien Bergamini 		goto fail;
574ceaec73dSDamien Bergamini 	}
575ceaec73dSDamien Bergamini 
576ceaec73dSDamien Bergamini 	error = bus_dmamem_alloc(ring->desc_dmat, (void **)&ring->desc,
577ceaec73dSDamien Bergamini 	    BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_map);
578ceaec73dSDamien Bergamini 	if (error != 0) {
579ceaec73dSDamien Bergamini 		device_printf(sc->sc_dev, "could not allocate DMA memory\n");
580ceaec73dSDamien Bergamini 		goto fail;
581ceaec73dSDamien Bergamini 	}
582ceaec73dSDamien Bergamini 
583ceaec73dSDamien Bergamini 	error = bus_dmamap_load(ring->desc_dmat, ring->desc_map, ring->desc,
584ceaec73dSDamien Bergamini 	    count * IWI_CMD_DESC_SIZE, iwi_dma_map_addr, &ring->physaddr, 0);
585ceaec73dSDamien Bergamini 	if (error != 0) {
586ceaec73dSDamien Bergamini 		device_printf(sc->sc_dev, "could not load desc DMA map\n");
587ceaec73dSDamien Bergamini 		goto fail;
588ceaec73dSDamien Bergamini 	}
589ceaec73dSDamien Bergamini 
590ceaec73dSDamien Bergamini 	return 0;
591ceaec73dSDamien Bergamini 
592ceaec73dSDamien Bergamini fail:	iwi_free_cmd_ring(sc, ring);
593ceaec73dSDamien Bergamini 	return error;
594ceaec73dSDamien Bergamini }
595ceaec73dSDamien Bergamini 
596ceaec73dSDamien Bergamini static void
597ceaec73dSDamien Bergamini iwi_reset_cmd_ring(struct iwi_softc *sc, struct iwi_cmd_ring *ring)
598ceaec73dSDamien Bergamini {
599ceaec73dSDamien Bergamini 	ring->queued = 0;
600ceaec73dSDamien Bergamini 	ring->cur = ring->next = 0;
601ceaec73dSDamien Bergamini }
602ceaec73dSDamien Bergamini 
603ceaec73dSDamien Bergamini static void
604ceaec73dSDamien Bergamini iwi_free_cmd_ring(struct iwi_softc *sc, struct iwi_cmd_ring *ring)
605ceaec73dSDamien Bergamini {
606ceaec73dSDamien Bergamini 	if (ring->desc != NULL) {
607ceaec73dSDamien Bergamini 		bus_dmamap_sync(ring->desc_dmat, ring->desc_map,
608ceaec73dSDamien Bergamini 		    BUS_DMASYNC_POSTWRITE);
609ceaec73dSDamien Bergamini 		bus_dmamap_unload(ring->desc_dmat, ring->desc_map);
610ceaec73dSDamien Bergamini 		bus_dmamem_free(ring->desc_dmat, ring->desc, ring->desc_map);
611ceaec73dSDamien Bergamini 	}
612ceaec73dSDamien Bergamini 
613ceaec73dSDamien Bergamini 	if (ring->desc_dmat != NULL)
614ceaec73dSDamien Bergamini 		bus_dma_tag_destroy(ring->desc_dmat);
615ceaec73dSDamien Bergamini }
616ceaec73dSDamien Bergamini 
617ceaec73dSDamien Bergamini static int
618ec01dc2bSDamien Bergamini iwi_alloc_tx_ring(struct iwi_softc *sc, struct iwi_tx_ring *ring, int count,
619ec01dc2bSDamien Bergamini     bus_addr_t csr_ridx, bus_addr_t csr_widx)
620ceaec73dSDamien Bergamini {
621ceaec73dSDamien Bergamini 	int i, error;
622ceaec73dSDamien Bergamini 
623ceaec73dSDamien Bergamini 	ring->count = count;
624ceaec73dSDamien Bergamini 	ring->queued = 0;
625ceaec73dSDamien Bergamini 	ring->cur = ring->next = 0;
626ec01dc2bSDamien Bergamini 	ring->csr_ridx = csr_ridx;
627ec01dc2bSDamien Bergamini 	ring->csr_widx = csr_widx;
628ceaec73dSDamien Bergamini 
629b0ea96dfSKevin Lo 	error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 4, 0,
630b0ea96dfSKevin Lo 	    BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
631b0ea96dfSKevin Lo 	    count * IWI_TX_DESC_SIZE, 1, count * IWI_TX_DESC_SIZE, 0, NULL,
632b0ea96dfSKevin Lo 	    NULL, &ring->desc_dmat);
633ceaec73dSDamien Bergamini 	if (error != 0) {
634ceaec73dSDamien Bergamini 		device_printf(sc->sc_dev, "could not create desc DMA tag\n");
635ceaec73dSDamien Bergamini 		goto fail;
636ceaec73dSDamien Bergamini 	}
637ceaec73dSDamien Bergamini 
638ceaec73dSDamien Bergamini 	error = bus_dmamem_alloc(ring->desc_dmat, (void **)&ring->desc,
639ceaec73dSDamien Bergamini 	    BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_map);
640ceaec73dSDamien Bergamini 	if (error != 0) {
641ceaec73dSDamien Bergamini 		device_printf(sc->sc_dev, "could not allocate DMA memory\n");
642ceaec73dSDamien Bergamini 		goto fail;
643ceaec73dSDamien Bergamini 	}
644ceaec73dSDamien Bergamini 
645ceaec73dSDamien Bergamini 	error = bus_dmamap_load(ring->desc_dmat, ring->desc_map, ring->desc,
646ceaec73dSDamien Bergamini 	    count * IWI_TX_DESC_SIZE, iwi_dma_map_addr, &ring->physaddr, 0);
647ceaec73dSDamien Bergamini 	if (error != 0) {
648ceaec73dSDamien Bergamini 		device_printf(sc->sc_dev, "could not load desc DMA map\n");
649ceaec73dSDamien Bergamini 		goto fail;
650ceaec73dSDamien Bergamini 	}
651ceaec73dSDamien Bergamini 
652ceaec73dSDamien Bergamini 	ring->data = malloc(count * sizeof (struct iwi_tx_data), M_DEVBUF,
653ceaec73dSDamien Bergamini 	    M_NOWAIT | M_ZERO);
654ceaec73dSDamien Bergamini 	if (ring->data == NULL) {
655ceaec73dSDamien Bergamini 		device_printf(sc->sc_dev, "could not allocate soft data\n");
656ceaec73dSDamien Bergamini 		error = ENOMEM;
657ceaec73dSDamien Bergamini 		goto fail;
658ceaec73dSDamien Bergamini 	}
659ceaec73dSDamien Bergamini 
660b0ea96dfSKevin Lo 	error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0,
661b0ea96dfSKevin Lo 	BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES,
662b0ea96dfSKevin Lo 	IWI_MAX_NSEG, MCLBYTES, 0, NULL, NULL, &ring->data_dmat);
663ceaec73dSDamien Bergamini 	if (error != 0) {
664ceaec73dSDamien Bergamini 		device_printf(sc->sc_dev, "could not create data DMA tag\n");
665ceaec73dSDamien Bergamini 		goto fail;
666ceaec73dSDamien Bergamini 	}
667ceaec73dSDamien Bergamini 
668ceaec73dSDamien Bergamini 	for (i = 0; i < count; i++) {
669ceaec73dSDamien Bergamini 		error = bus_dmamap_create(ring->data_dmat, 0,
670ceaec73dSDamien Bergamini 		    &ring->data[i].map);
671ceaec73dSDamien Bergamini 		if (error != 0) {
672ceaec73dSDamien Bergamini 			device_printf(sc->sc_dev, "could not create DMA map\n");
673ceaec73dSDamien Bergamini 			goto fail;
674ceaec73dSDamien Bergamini 		}
675ceaec73dSDamien Bergamini 	}
676ceaec73dSDamien Bergamini 
677ceaec73dSDamien Bergamini 	return 0;
678ceaec73dSDamien Bergamini 
679ceaec73dSDamien Bergamini fail:	iwi_free_tx_ring(sc, ring);
680ceaec73dSDamien Bergamini 	return error;
681ceaec73dSDamien Bergamini }
682ceaec73dSDamien Bergamini 
683ceaec73dSDamien Bergamini static void
684ceaec73dSDamien Bergamini iwi_reset_tx_ring(struct iwi_softc *sc, struct iwi_tx_ring *ring)
685ceaec73dSDamien Bergamini {
686ceaec73dSDamien Bergamini 	struct iwi_tx_data *data;
687ceaec73dSDamien Bergamini 	int i;
688ceaec73dSDamien Bergamini 
689ceaec73dSDamien Bergamini 	for (i = 0; i < ring->count; i++) {
690ceaec73dSDamien Bergamini 		data = &ring->data[i];
691ceaec73dSDamien Bergamini 
692ceaec73dSDamien Bergamini 		if (data->m != NULL) {
693ceaec73dSDamien Bergamini 			bus_dmamap_sync(ring->data_dmat, data->map,
694ceaec73dSDamien Bergamini 			    BUS_DMASYNC_POSTWRITE);
695ceaec73dSDamien Bergamini 			bus_dmamap_unload(ring->data_dmat, data->map);
696ceaec73dSDamien Bergamini 			m_freem(data->m);
697ceaec73dSDamien Bergamini 			data->m = NULL;
698ceaec73dSDamien Bergamini 		}
699ceaec73dSDamien Bergamini 
700ceaec73dSDamien Bergamini 		if (data->ni != NULL) {
701ceaec73dSDamien Bergamini 			ieee80211_free_node(data->ni);
702ceaec73dSDamien Bergamini 			data->ni = NULL;
703ceaec73dSDamien Bergamini 		}
704ceaec73dSDamien Bergamini 	}
705ceaec73dSDamien Bergamini 
706ceaec73dSDamien Bergamini 	ring->queued = 0;
707ceaec73dSDamien Bergamini 	ring->cur = ring->next = 0;
708ceaec73dSDamien Bergamini }
709ceaec73dSDamien Bergamini 
710ceaec73dSDamien Bergamini static void
711ceaec73dSDamien Bergamini iwi_free_tx_ring(struct iwi_softc *sc, struct iwi_tx_ring *ring)
712ceaec73dSDamien Bergamini {
713ceaec73dSDamien Bergamini 	struct iwi_tx_data *data;
714ceaec73dSDamien Bergamini 	int i;
715ceaec73dSDamien Bergamini 
716ceaec73dSDamien Bergamini 	if (ring->desc != NULL) {
717ceaec73dSDamien Bergamini 		bus_dmamap_sync(ring->desc_dmat, ring->desc_map,
718ceaec73dSDamien Bergamini 		    BUS_DMASYNC_POSTWRITE);
719ceaec73dSDamien Bergamini 		bus_dmamap_unload(ring->desc_dmat, ring->desc_map);
720ceaec73dSDamien Bergamini 		bus_dmamem_free(ring->desc_dmat, ring->desc, ring->desc_map);
721ceaec73dSDamien Bergamini 	}
722ceaec73dSDamien Bergamini 
723ceaec73dSDamien Bergamini 	if (ring->desc_dmat != NULL)
724ceaec73dSDamien Bergamini 		bus_dma_tag_destroy(ring->desc_dmat);
725ceaec73dSDamien Bergamini 
726ceaec73dSDamien Bergamini 	if (ring->data != NULL) {
727ceaec73dSDamien Bergamini 		for (i = 0; i < ring->count; i++) {
728ceaec73dSDamien Bergamini 			data = &ring->data[i];
729ceaec73dSDamien Bergamini 
730ceaec73dSDamien Bergamini 			if (data->m != NULL) {
731ceaec73dSDamien Bergamini 				bus_dmamap_sync(ring->data_dmat, data->map,
732ceaec73dSDamien Bergamini 				    BUS_DMASYNC_POSTWRITE);
733ceaec73dSDamien Bergamini 				bus_dmamap_unload(ring->data_dmat, data->map);
734ceaec73dSDamien Bergamini 				m_freem(data->m);
735ceaec73dSDamien Bergamini 			}
736ceaec73dSDamien Bergamini 
737ceaec73dSDamien Bergamini 			if (data->ni != NULL)
738ceaec73dSDamien Bergamini 				ieee80211_free_node(data->ni);
739ceaec73dSDamien Bergamini 
740ceaec73dSDamien Bergamini 			if (data->map != NULL)
741ceaec73dSDamien Bergamini 				bus_dmamap_destroy(ring->data_dmat, data->map);
742ceaec73dSDamien Bergamini 		}
743ceaec73dSDamien Bergamini 
744ceaec73dSDamien Bergamini 		free(ring->data, M_DEVBUF);
745ceaec73dSDamien Bergamini 	}
746ceaec73dSDamien Bergamini 
747ceaec73dSDamien Bergamini 	if (ring->data_dmat != NULL)
748ceaec73dSDamien Bergamini 		bus_dma_tag_destroy(ring->data_dmat);
749ceaec73dSDamien Bergamini }
750ceaec73dSDamien Bergamini 
751ceaec73dSDamien Bergamini static int
752ceaec73dSDamien Bergamini iwi_alloc_rx_ring(struct iwi_softc *sc, struct iwi_rx_ring *ring, int count)
753ceaec73dSDamien Bergamini {
754ceaec73dSDamien Bergamini 	struct iwi_rx_data *data;
755ceaec73dSDamien Bergamini 	int i, error;
756ceaec73dSDamien Bergamini 
757ceaec73dSDamien Bergamini 	ring->count = count;
758ceaec73dSDamien Bergamini 	ring->cur = 0;
759ceaec73dSDamien Bergamini 
760ceaec73dSDamien Bergamini 	ring->data = malloc(count * sizeof (struct iwi_rx_data), M_DEVBUF,
761ceaec73dSDamien Bergamini 	    M_NOWAIT | M_ZERO);
762ceaec73dSDamien Bergamini 	if (ring->data == NULL) {
763ceaec73dSDamien Bergamini 		device_printf(sc->sc_dev, "could not allocate soft data\n");
764ceaec73dSDamien Bergamini 		error = ENOMEM;
765ceaec73dSDamien Bergamini 		goto fail;
766ceaec73dSDamien Bergamini 	}
767ceaec73dSDamien Bergamini 
768b0ea96dfSKevin Lo 	error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0,
769b0ea96dfSKevin Lo 	    BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES,
770b0ea96dfSKevin Lo 	    1, MCLBYTES, 0, NULL, NULL, &ring->data_dmat);
771ceaec73dSDamien Bergamini 	if (error != 0) {
772ceaec73dSDamien Bergamini 		device_printf(sc->sc_dev, "could not create data DMA tag\n");
773ceaec73dSDamien Bergamini 		goto fail;
774ceaec73dSDamien Bergamini 	}
775ceaec73dSDamien Bergamini 
776ceaec73dSDamien Bergamini 	for (i = 0; i < count; i++) {
777ceaec73dSDamien Bergamini 		data = &ring->data[i];
778ceaec73dSDamien Bergamini 
779ceaec73dSDamien Bergamini 		error = bus_dmamap_create(ring->data_dmat, 0, &data->map);
780ceaec73dSDamien Bergamini 		if (error != 0) {
781ceaec73dSDamien Bergamini 			device_printf(sc->sc_dev, "could not create DMA map\n");
782ceaec73dSDamien Bergamini 			goto fail;
783ceaec73dSDamien Bergamini 		}
784ceaec73dSDamien Bergamini 
785c6499eccSGleb Smirnoff 		data->m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
786ceaec73dSDamien Bergamini 		if (data->m == NULL) {
787ceaec73dSDamien Bergamini 			device_printf(sc->sc_dev,
788ceaec73dSDamien Bergamini 			    "could not allocate rx mbuf\n");
789ceaec73dSDamien Bergamini 			error = ENOMEM;
790ceaec73dSDamien Bergamini 			goto fail;
791ceaec73dSDamien Bergamini 		}
792ceaec73dSDamien Bergamini 
793ceaec73dSDamien Bergamini 		error = bus_dmamap_load(ring->data_dmat, data->map,
794ceaec73dSDamien Bergamini 		    mtod(data->m, void *), MCLBYTES, iwi_dma_map_addr,
795ceaec73dSDamien Bergamini 		    &data->physaddr, 0);
796ceaec73dSDamien Bergamini 		if (error != 0) {
797ceaec73dSDamien Bergamini 			device_printf(sc->sc_dev,
798ceaec73dSDamien Bergamini 			    "could not load rx buf DMA map");
799ceaec73dSDamien Bergamini 			goto fail;
800ceaec73dSDamien Bergamini 		}
801ceaec73dSDamien Bergamini 
802ceaec73dSDamien Bergamini 		data->reg = IWI_CSR_RX_BASE + i * 4;
803ceaec73dSDamien Bergamini 	}
804ceaec73dSDamien Bergamini 
805ceaec73dSDamien Bergamini 	return 0;
806ceaec73dSDamien Bergamini 
807ceaec73dSDamien Bergamini fail:	iwi_free_rx_ring(sc, ring);
808ceaec73dSDamien Bergamini 	return error;
809ceaec73dSDamien Bergamini }
810ceaec73dSDamien Bergamini 
811ceaec73dSDamien Bergamini static void
812ceaec73dSDamien Bergamini iwi_reset_rx_ring(struct iwi_softc *sc, struct iwi_rx_ring *ring)
813ceaec73dSDamien Bergamini {
814ceaec73dSDamien Bergamini 	ring->cur = 0;
815ceaec73dSDamien Bergamini }
816ceaec73dSDamien Bergamini 
817ceaec73dSDamien Bergamini static void
818ceaec73dSDamien Bergamini iwi_free_rx_ring(struct iwi_softc *sc, struct iwi_rx_ring *ring)
819ceaec73dSDamien Bergamini {
820ceaec73dSDamien Bergamini 	struct iwi_rx_data *data;
821ceaec73dSDamien Bergamini 	int i;
822ceaec73dSDamien Bergamini 
823ceaec73dSDamien Bergamini 	if (ring->data != NULL) {
824ceaec73dSDamien Bergamini 		for (i = 0; i < ring->count; i++) {
825ceaec73dSDamien Bergamini 			data = &ring->data[i];
826ceaec73dSDamien Bergamini 
827ceaec73dSDamien Bergamini 			if (data->m != NULL) {
828ceaec73dSDamien Bergamini 				bus_dmamap_sync(ring->data_dmat, data->map,
829ceaec73dSDamien Bergamini 				    BUS_DMASYNC_POSTREAD);
830ceaec73dSDamien Bergamini 				bus_dmamap_unload(ring->data_dmat, data->map);
831ceaec73dSDamien Bergamini 				m_freem(data->m);
832ceaec73dSDamien Bergamini 			}
833ceaec73dSDamien Bergamini 
834ceaec73dSDamien Bergamini 			if (data->map != NULL)
835ceaec73dSDamien Bergamini 				bus_dmamap_destroy(ring->data_dmat, data->map);
836ceaec73dSDamien Bergamini 		}
837ceaec73dSDamien Bergamini 
838ceaec73dSDamien Bergamini 		free(ring->data, M_DEVBUF);
839ceaec73dSDamien Bergamini 	}
840ceaec73dSDamien Bergamini 
841ceaec73dSDamien Bergamini 	if (ring->data_dmat != NULL)
842ceaec73dSDamien Bergamini 		bus_dma_tag_destroy(ring->data_dmat);
843ceaec73dSDamien Bergamini }
844ceaec73dSDamien Bergamini 
845ceaec73dSDamien Bergamini static int
846ceaec73dSDamien Bergamini iwi_shutdown(device_t dev)
847ceaec73dSDamien Bergamini {
848ceaec73dSDamien Bergamini 	struct iwi_softc *sc = device_get_softc(dev);
849ceaec73dSDamien Bergamini 
850ceaec73dSDamien Bergamini 	iwi_stop(sc);
851c10b1400SMax Laier 	iwi_put_firmware(sc);		/* ??? XXX */
852ceaec73dSDamien Bergamini 
853ceaec73dSDamien Bergamini 	return 0;
854ceaec73dSDamien Bergamini }
855ceaec73dSDamien Bergamini 
856ceaec73dSDamien Bergamini static int
857ceaec73dSDamien Bergamini iwi_suspend(device_t dev)
858ceaec73dSDamien Bergamini {
859ceaec73dSDamien Bergamini 	struct iwi_softc *sc = device_get_softc(dev);
860ada977b1SBernhard Schmidt 	struct ieee80211com *ic = sc->sc_ifp->if_l2com;
861ceaec73dSDamien Bergamini 
862ada977b1SBernhard Schmidt 	ieee80211_suspend_all(ic);
863ceaec73dSDamien Bergamini 	return 0;
864ceaec73dSDamien Bergamini }
865ceaec73dSDamien Bergamini 
866ceaec73dSDamien Bergamini static int
867ceaec73dSDamien Bergamini iwi_resume(device_t dev)
868ceaec73dSDamien Bergamini {
869ceaec73dSDamien Bergamini 	struct iwi_softc *sc = device_get_softc(dev);
870ada977b1SBernhard Schmidt 	struct ieee80211com *ic = sc->sc_ifp->if_l2com;
871ceaec73dSDamien Bergamini 
872acea4241SDamien Bergamini 	pci_write_config(dev, 0x41, 0, 1);
873acea4241SDamien Bergamini 
874ada977b1SBernhard Schmidt 	ieee80211_resume_all(ic);
875ceaec73dSDamien Bergamini 	return 0;
876ceaec73dSDamien Bergamini }
877ceaec73dSDamien Bergamini 
87828a38073SDamien Bergamini static struct ieee80211_node *
87938c208f8SSam Leffler iwi_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN])
88028a38073SDamien Bergamini {
88128a38073SDamien Bergamini 	struct iwi_node *in;
88228a38073SDamien Bergamini 
88328a38073SDamien Bergamini 	in = malloc(sizeof (struct iwi_node), M_80211_NODE, M_NOWAIT | M_ZERO);
88428a38073SDamien Bergamini 	if (in == NULL)
88528a38073SDamien Bergamini 		return NULL;
88638c208f8SSam Leffler 	/* XXX assign sta table entry for adhoc */
88728a38073SDamien Bergamini 	in->in_station = -1;
88828a38073SDamien Bergamini 
88928a38073SDamien Bergamini 	return &in->in_node;
89028a38073SDamien Bergamini }
89128a38073SDamien Bergamini 
89228a38073SDamien Bergamini static void
89328a38073SDamien Bergamini iwi_node_free(struct ieee80211_node *ni)
89428a38073SDamien Bergamini {
89528a38073SDamien Bergamini 	struct ieee80211com *ic = ni->ni_ic;
89628a38073SDamien Bergamini 	struct iwi_softc *sc = ic->ic_ifp->if_softc;
89728a38073SDamien Bergamini 	struct iwi_node *in = (struct iwi_node *)ni;
89828a38073SDamien Bergamini 
899c10b1400SMax Laier 	if (in->in_station != -1) {
900c10b1400SMax Laier 		DPRINTF(("%s mac %6D station %u\n", __func__,
901c10b1400SMax Laier 		    ni->ni_macaddr, ":", in->in_station));
90228a38073SDamien Bergamini 		free_unr(sc->sc_unr, in->in_station);
903c10b1400SMax Laier 	}
90428a38073SDamien Bergamini 
90528a38073SDamien Bergamini 	sc->sc_node_free(ni);
90628a38073SDamien Bergamini }
90728a38073SDamien Bergamini 
908c10b1400SMax Laier /*
909c10b1400SMax Laier  * Convert h/w rate code to IEEE rate code.
910c10b1400SMax Laier  */
911c10b1400SMax Laier static int
912c10b1400SMax Laier iwi_cvtrate(int iwirate)
913c10b1400SMax Laier {
914c10b1400SMax Laier 	switch (iwirate) {
915c10b1400SMax Laier 	case IWI_RATE_DS1:	return 2;
916c10b1400SMax Laier 	case IWI_RATE_DS2:	return 4;
917c10b1400SMax Laier 	case IWI_RATE_DS5:	return 11;
918c10b1400SMax Laier 	case IWI_RATE_DS11:	return 22;
919c10b1400SMax Laier 	case IWI_RATE_OFDM6:	return 12;
920c10b1400SMax Laier 	case IWI_RATE_OFDM9:	return 18;
921c10b1400SMax Laier 	case IWI_RATE_OFDM12:	return 24;
922c10b1400SMax Laier 	case IWI_RATE_OFDM18:	return 36;
923c10b1400SMax Laier 	case IWI_RATE_OFDM24:	return 48;
924c10b1400SMax Laier 	case IWI_RATE_OFDM36:	return 72;
925c10b1400SMax Laier 	case IWI_RATE_OFDM48:	return 96;
926c10b1400SMax Laier 	case IWI_RATE_OFDM54:	return 108;
927c10b1400SMax Laier 	}
928ceaec73dSDamien Bergamini 	return 0;
929ceaec73dSDamien Bergamini }
930ceaec73dSDamien Bergamini 
931ceaec73dSDamien Bergamini /*
93228a38073SDamien Bergamini  * The firmware automatically adapts the transmit speed.  We report its current
93328a38073SDamien Bergamini  * value here.
934ceaec73dSDamien Bergamini  */
935ceaec73dSDamien Bergamini static void
936ceaec73dSDamien Bergamini iwi_media_status(struct ifnet *ifp, struct ifmediareq *imr)
937ceaec73dSDamien Bergamini {
938b032f27cSSam Leffler 	struct ieee80211vap *vap = ifp->if_softc;
939b032f27cSSam Leffler 	struct ieee80211com *ic = vap->iv_ic;
940b032f27cSSam Leffler 	struct iwi_softc *sc = ic->ic_ifp->if_softc;
94139bb444cSAdrian Chadd 	struct ieee80211_node *ni;
942ceaec73dSDamien Bergamini 
943ceaec73dSDamien Bergamini 	/* read current transmission rate from adapter */
94439bb444cSAdrian Chadd 	ni = ieee80211_ref_node(vap->iv_bss);
94539bb444cSAdrian Chadd 	ni->ni_txrate =
946b032f27cSSam Leffler 	    iwi_cvtrate(CSR_READ_4(sc, IWI_CSR_CURRENT_TX_RATE));
94739bb444cSAdrian Chadd 	ieee80211_free_node(ni);
948b032f27cSSam Leffler 	ieee80211_media_status(ifp, imr);
949ceaec73dSDamien Bergamini }
950ceaec73dSDamien Bergamini 
951ceaec73dSDamien Bergamini static int
952b032f27cSSam Leffler iwi_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
953ceaec73dSDamien Bergamini {
954b032f27cSSam Leffler 	struct iwi_vap *ivp = IWI_VAP(vap);
955b032f27cSSam Leffler 	struct ieee80211com *ic = vap->iv_ic;
956ceaec73dSDamien Bergamini 	struct ifnet *ifp = ic->ic_ifp;
957ceaec73dSDamien Bergamini 	struct iwi_softc *sc = ifp->if_softc;
958b032f27cSSam Leffler 	IWI_LOCK_DECL;
95984f55b29SDamien Bergamini 
960c10b1400SMax Laier 	DPRINTF(("%s: %s -> %s flags 0x%x\n", __func__,
961b032f27cSSam Leffler 		ieee80211_state_name[vap->iv_state],
962c10b1400SMax Laier 		ieee80211_state_name[nstate], sc->flags));
963ceaec73dSDamien Bergamini 
9645efea30fSAndrew Thompson 	IEEE80211_UNLOCK(ic);
9655efea30fSAndrew Thompson 	IWI_LOCK(sc);
966ceaec73dSDamien Bergamini 	switch (nstate) {
967b032f27cSSam Leffler 	case IEEE80211_S_INIT:
968b032f27cSSam Leffler 		/*
969b032f27cSSam Leffler 		 * NB: don't try to do this if iwi_stop_master has
970b032f27cSSam Leffler 		 *     shutdown the firmware and disabled interrupts.
971b032f27cSSam Leffler 		 */
972b032f27cSSam Leffler 		if (vap->iv_state == IEEE80211_S_RUN &&
973b032f27cSSam Leffler 		    (sc->flags & IWI_FLAG_FW_INITED))
9745efea30fSAndrew Thompson 			iwi_disassociate(sc, 0);
975ceaec73dSDamien Bergamini 		break;
976b032f27cSSam Leffler 	case IEEE80211_S_AUTH:
9775efea30fSAndrew Thompson 		iwi_auth_and_assoc(sc, vap);
9785efea30fSAndrew Thompson 		break;
979ceaec73dSDamien Bergamini 	case IEEE80211_S_RUN:
980b032f27cSSam Leffler 		if (vap->iv_opmode == IEEE80211_M_IBSS &&
981b032f27cSSam Leffler 		    vap->iv_state == IEEE80211_S_SCAN) {
982c10b1400SMax Laier 			/*
983c10b1400SMax Laier 			 * XXX when joining an ibss network we are called
984c10b1400SMax Laier 			 * with a SCAN -> RUN transition on scan complete.
985c10b1400SMax Laier 			 * Use that to call iwi_auth_and_assoc.  On completing
986c10b1400SMax Laier 			 * the join we are then called again with an
987c10b1400SMax Laier 			 * AUTH -> RUN transition and we want to do nothing.
988c10b1400SMax Laier 			 * This is all totally bogus and needs to be redone.
989c10b1400SMax Laier 			 */
9905efea30fSAndrew Thompson 			iwi_auth_and_assoc(sc, vap);
99140668dc5SBernhard Schmidt 		} else if (vap->iv_opmode == IEEE80211_M_MONITOR)
99240668dc5SBernhard Schmidt 			ieee80211_runtask(ic, &sc->sc_monitortask);
993acea4241SDamien Bergamini 		break;
99468e8e04eSSam Leffler 	case IEEE80211_S_ASSOC:
99568e8e04eSSam Leffler 		/*
996b032f27cSSam Leffler 		 * If we are transitioning from AUTH then just wait
997b032f27cSSam Leffler 		 * for the ASSOC status to come back from the firmware.
998b032f27cSSam Leffler 		 * Otherwise we need to issue the association request.
99968e8e04eSSam Leffler 		 */
1000b032f27cSSam Leffler 		if (vap->iv_state == IEEE80211_S_AUTH)
100168e8e04eSSam Leffler 			break;
10025efea30fSAndrew Thompson 		iwi_auth_and_assoc(sc, vap);
10035efea30fSAndrew Thompson 		break;
100468e8e04eSSam Leffler 	default:
1005ceaec73dSDamien Bergamini 		break;
1006ceaec73dSDamien Bergamini 	}
10075efea30fSAndrew Thompson 	IWI_UNLOCK(sc);
10085efea30fSAndrew Thompson 	IEEE80211_LOCK(ic);
1009b032f27cSSam Leffler 	return ivp->iwi_newstate(vap, nstate, arg);
1010ceaec73dSDamien Bergamini }
1011ceaec73dSDamien Bergamini 
1012fb533d55SDamien Bergamini /*
1013fb533d55SDamien Bergamini  * WME parameters coming from IEEE 802.11e specification.  These values are
1014fb533d55SDamien Bergamini  * already declared in ieee80211_proto.c, but they are static so they can't
1015fb533d55SDamien Bergamini  * be reused here.
1016fb533d55SDamien Bergamini  */
1017fb533d55SDamien Bergamini static const struct wmeParams iwi_wme_cck_params[WME_NUM_AC] = {
1018fb533d55SDamien Bergamini 	{ 0, 3, 5,  7,   0 },	/* WME_AC_BE */
1019fb533d55SDamien Bergamini 	{ 0, 3, 5, 10,   0 },	/* WME_AC_BK */
1020fb533d55SDamien Bergamini 	{ 0, 2, 4,  5, 188 },	/* WME_AC_VI */
1021fb533d55SDamien Bergamini 	{ 0, 2, 3,  4, 102 }	/* WME_AC_VO */
1022fb533d55SDamien Bergamini };
1023fb533d55SDamien Bergamini 
1024fb533d55SDamien Bergamini static const struct wmeParams iwi_wme_ofdm_params[WME_NUM_AC] = {
1025fb533d55SDamien Bergamini 	{ 0, 3, 4,  6,   0 },	/* WME_AC_BE */
1026fb533d55SDamien Bergamini 	{ 0, 3, 4, 10,   0 },	/* WME_AC_BK */
1027fb533d55SDamien Bergamini 	{ 0, 2, 3,  4,  94 },	/* WME_AC_VI */
1028fb533d55SDamien Bergamini 	{ 0, 2, 2,  3,  47 }	/* WME_AC_VO */
1029fb533d55SDamien Bergamini };
1030fb533d55SDamien Bergamini #define IWI_EXP2(v)	htole16((1 << (v)) - 1)
1031fb533d55SDamien Bergamini #define IWI_USEC(v)	htole16(IEEE80211_TXOP_TO_US(v))
1032c10b1400SMax Laier 
1033c10b1400SMax Laier static void
1034c10b1400SMax Laier iwi_wme_init(struct iwi_softc *sc)
1035c10b1400SMax Laier {
1036fb533d55SDamien Bergamini 	const struct wmeParams *wmep;
1037fb533d55SDamien Bergamini 	int ac;
1038ec01dc2bSDamien Bergamini 
1039c10b1400SMax Laier 	memset(sc->wme, 0, sizeof sc->wme);
1040c10b1400SMax Laier 	for (ac = 0; ac < WME_NUM_AC; ac++) {
1041c10b1400SMax Laier 		/* set WME values for CCK modulation */
1042c10b1400SMax Laier 		wmep = &iwi_wme_cck_params[ac];
1043c10b1400SMax Laier 		sc->wme[1].aifsn[ac] = wmep->wmep_aifsn;
1044c10b1400SMax Laier 		sc->wme[1].cwmin[ac] = IWI_EXP2(wmep->wmep_logcwmin);
1045c10b1400SMax Laier 		sc->wme[1].cwmax[ac] = IWI_EXP2(wmep->wmep_logcwmax);
1046c10b1400SMax Laier 		sc->wme[1].burst[ac] = IWI_USEC(wmep->wmep_txopLimit);
1047c10b1400SMax Laier 		sc->wme[1].acm[ac]   = wmep->wmep_acm;
1048c10b1400SMax Laier 
1049c10b1400SMax Laier 		/* set WME values for OFDM modulation */
1050c10b1400SMax Laier 		wmep = &iwi_wme_ofdm_params[ac];
1051c10b1400SMax Laier 		sc->wme[2].aifsn[ac] = wmep->wmep_aifsn;
1052c10b1400SMax Laier 		sc->wme[2].cwmin[ac] = IWI_EXP2(wmep->wmep_logcwmin);
1053c10b1400SMax Laier 		sc->wme[2].cwmax[ac] = IWI_EXP2(wmep->wmep_logcwmax);
1054c10b1400SMax Laier 		sc->wme[2].burst[ac] = IWI_USEC(wmep->wmep_txopLimit);
1055c10b1400SMax Laier 		sc->wme[2].acm[ac]   = wmep->wmep_acm;
1056c10b1400SMax Laier 	}
1057c10b1400SMax Laier }
1058c10b1400SMax Laier 
1059c10b1400SMax Laier static int
1060b032f27cSSam Leffler iwi_wme_setparams(struct iwi_softc *sc, struct ieee80211com *ic)
1061c10b1400SMax Laier {
1062c10b1400SMax Laier 	const struct wmeParams *wmep;
1063c10b1400SMax Laier 	int ac;
1064fb533d55SDamien Bergamini 
1065fb533d55SDamien Bergamini 	for (ac = 0; ac < WME_NUM_AC; ac++) {
1066fb533d55SDamien Bergamini 		/* set WME values for current operating mode */
1067fb533d55SDamien Bergamini 		wmep = &ic->ic_wme.wme_chanParams.cap_wmeParams[ac];
1068c10b1400SMax Laier 		sc->wme[0].aifsn[ac] = wmep->wmep_aifsn;
1069c10b1400SMax Laier 		sc->wme[0].cwmin[ac] = IWI_EXP2(wmep->wmep_logcwmin);
1070c10b1400SMax Laier 		sc->wme[0].cwmax[ac] = IWI_EXP2(wmep->wmep_logcwmax);
1071c10b1400SMax Laier 		sc->wme[0].burst[ac] = IWI_USEC(wmep->wmep_txopLimit);
1072c10b1400SMax Laier 		sc->wme[0].acm[ac]   = wmep->wmep_acm;
1073fb533d55SDamien Bergamini 	}
1074fb533d55SDamien Bergamini 
1075fb533d55SDamien Bergamini 	DPRINTF(("Setting WME parameters\n"));
1076c10b1400SMax Laier 	return iwi_cmd(sc, IWI_CMD_SET_WME_PARAMS, sc->wme, sizeof sc->wme);
1077c10b1400SMax Laier }
1078fb533d55SDamien Bergamini #undef IWI_USEC
1079fb533d55SDamien Bergamini #undef IWI_EXP2
1080c10b1400SMax Laier 
1081853569c6SSam Leffler static void
1082853569c6SSam Leffler iwi_update_wme(void *arg, int npending)
1083853569c6SSam Leffler {
1084853569c6SSam Leffler 	struct ieee80211com *ic = arg;
1085853569c6SSam Leffler 	struct iwi_softc *sc = ic->ic_ifp->if_softc;
1086853569c6SSam Leffler 	IWI_LOCK_DECL;
1087853569c6SSam Leffler 
1088853569c6SSam Leffler 	IWI_LOCK(sc);
1089853569c6SSam Leffler 	(void) iwi_wme_setparams(sc, ic);
1090853569c6SSam Leffler 	IWI_UNLOCK(sc);
1091853569c6SSam Leffler }
1092853569c6SSam Leffler 
1093c10b1400SMax Laier static int
1094c10b1400SMax Laier iwi_wme_update(struct ieee80211com *ic)
1095c10b1400SMax Laier {
1096c10b1400SMax Laier 	struct iwi_softc *sc = ic->ic_ifp->if_softc;
10975efea30fSAndrew Thompson 	struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
1098c10b1400SMax Laier 
1099c10b1400SMax Laier 	/*
1100c10b1400SMax Laier 	 * We may be called to update the WME parameters in
1101c10b1400SMax Laier 	 * the adapter at various places.  If we're already
1102853569c6SSam Leffler 	 * associated then initiate the request immediately;
1103853569c6SSam Leffler 	 * otherwise we assume the params will get sent down
1104853569c6SSam Leffler 	 * to the adapter as part of the work iwi_auth_and_assoc
1105853569c6SSam Leffler 	 * does.
1106c10b1400SMax Laier 	 */
11075efea30fSAndrew Thompson 	if (vap->iv_state == IEEE80211_S_RUN)
1108853569c6SSam Leffler 		ieee80211_runtask(ic, &sc->sc_wmetask);
11095efea30fSAndrew Thompson 	return (0);
1110c10b1400SMax Laier }
1111c10b1400SMax Laier 
1112c10b1400SMax Laier static int
1113c10b1400SMax Laier iwi_wme_setie(struct iwi_softc *sc)
1114c10b1400SMax Laier {
1115c10b1400SMax Laier 	struct ieee80211_wme_info wme;
1116c10b1400SMax Laier 
1117c10b1400SMax Laier 	memset(&wme, 0, sizeof wme);
1118c10b1400SMax Laier 	wme.wme_id = IEEE80211_ELEMID_VENDOR;
1119c10b1400SMax Laier 	wme.wme_len = sizeof (struct ieee80211_wme_info) - 2;
1120c10b1400SMax Laier 	wme.wme_oui[0] = 0x00;
1121c10b1400SMax Laier 	wme.wme_oui[1] = 0x50;
1122c10b1400SMax Laier 	wme.wme_oui[2] = 0xf2;
1123c10b1400SMax Laier 	wme.wme_type = WME_OUI_TYPE;
1124c10b1400SMax Laier 	wme.wme_subtype = WME_INFO_OUI_SUBTYPE;
1125c10b1400SMax Laier 	wme.wme_version = WME_VERSION;
1126c10b1400SMax Laier 	wme.wme_info = 0;
1127c10b1400SMax Laier 
1128c10b1400SMax Laier 	DPRINTF(("Setting WME IE (len=%u)\n", wme.wme_len));
1129c10b1400SMax Laier 	return iwi_cmd(sc, IWI_CMD_SET_WMEIE, &wme, sizeof wme);
1130ec01dc2bSDamien Bergamini }
1131ec01dc2bSDamien Bergamini 
1132ceaec73dSDamien Bergamini /*
1133ceaec73dSDamien Bergamini  * Read 16 bits at address 'addr' from the serial EEPROM.
1134ceaec73dSDamien Bergamini  */
1135ceaec73dSDamien Bergamini static uint16_t
1136ceaec73dSDamien Bergamini iwi_read_prom_word(struct iwi_softc *sc, uint8_t addr)
1137ceaec73dSDamien Bergamini {
1138ceaec73dSDamien Bergamini 	uint32_t tmp;
1139ceaec73dSDamien Bergamini 	uint16_t val;
1140ceaec73dSDamien Bergamini 	int n;
1141ceaec73dSDamien Bergamini 
1142ceaec73dSDamien Bergamini 	/* clock C once before the first command */
1143ceaec73dSDamien Bergamini 	IWI_EEPROM_CTL(sc, 0);
1144ceaec73dSDamien Bergamini 	IWI_EEPROM_CTL(sc, IWI_EEPROM_S);
1145ceaec73dSDamien Bergamini 	IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_C);
1146ceaec73dSDamien Bergamini 	IWI_EEPROM_CTL(sc, IWI_EEPROM_S);
1147ceaec73dSDamien Bergamini 
1148ceaec73dSDamien Bergamini 	/* write start bit (1) */
1149ceaec73dSDamien Bergamini 	IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_D);
1150ceaec73dSDamien Bergamini 	IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_D | IWI_EEPROM_C);
1151ceaec73dSDamien Bergamini 
1152ceaec73dSDamien Bergamini 	/* write READ opcode (10) */
1153ceaec73dSDamien Bergamini 	IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_D);
1154ceaec73dSDamien Bergamini 	IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_D | IWI_EEPROM_C);
1155ceaec73dSDamien Bergamini 	IWI_EEPROM_CTL(sc, IWI_EEPROM_S);
1156ceaec73dSDamien Bergamini 	IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_C);
1157ceaec73dSDamien Bergamini 
1158ceaec73dSDamien Bergamini 	/* write address A7-A0 */
1159ceaec73dSDamien Bergamini 	for (n = 7; n >= 0; n--) {
1160ceaec73dSDamien Bergamini 		IWI_EEPROM_CTL(sc, IWI_EEPROM_S |
1161ceaec73dSDamien Bergamini 		    (((addr >> n) & 1) << IWI_EEPROM_SHIFT_D));
1162ceaec73dSDamien Bergamini 		IWI_EEPROM_CTL(sc, IWI_EEPROM_S |
1163ceaec73dSDamien Bergamini 		    (((addr >> n) & 1) << IWI_EEPROM_SHIFT_D) | IWI_EEPROM_C);
1164ceaec73dSDamien Bergamini 	}
1165ceaec73dSDamien Bergamini 
1166ceaec73dSDamien Bergamini 	IWI_EEPROM_CTL(sc, IWI_EEPROM_S);
1167ceaec73dSDamien Bergamini 
1168ceaec73dSDamien Bergamini 	/* read data Q15-Q0 */
1169ceaec73dSDamien Bergamini 	val = 0;
1170ceaec73dSDamien Bergamini 	for (n = 15; n >= 0; n--) {
1171ceaec73dSDamien Bergamini 		IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_C);
1172ceaec73dSDamien Bergamini 		IWI_EEPROM_CTL(sc, IWI_EEPROM_S);
1173ceaec73dSDamien Bergamini 		tmp = MEM_READ_4(sc, IWI_MEM_EEPROM_CTL);
1174ceaec73dSDamien Bergamini 		val |= ((tmp & IWI_EEPROM_Q) >> IWI_EEPROM_SHIFT_Q) << n;
1175ceaec73dSDamien Bergamini 	}
1176ceaec73dSDamien Bergamini 
1177ceaec73dSDamien Bergamini 	IWI_EEPROM_CTL(sc, 0);
1178ceaec73dSDamien Bergamini 
1179ceaec73dSDamien Bergamini 	/* clear Chip Select and clock C */
1180ceaec73dSDamien Bergamini 	IWI_EEPROM_CTL(sc, IWI_EEPROM_S);
1181ceaec73dSDamien Bergamini 	IWI_EEPROM_CTL(sc, 0);
1182ceaec73dSDamien Bergamini 	IWI_EEPROM_CTL(sc, IWI_EEPROM_C);
1183ceaec73dSDamien Bergamini 
118481e6343cSDamien Bergamini 	return val;
1185ceaec73dSDamien Bergamini }
1186ceaec73dSDamien Bergamini 
1187ceaec73dSDamien Bergamini static void
1188c10b1400SMax Laier iwi_setcurchan(struct iwi_softc *sc, int chan)
1189ceaec73dSDamien Bergamini {
1190b032f27cSSam Leffler 	struct ifnet *ifp = sc->sc_ifp;
1191b032f27cSSam Leffler 	struct ieee80211com *ic = ifp->if_l2com;
1192ceaec73dSDamien Bergamini 
1193c10b1400SMax Laier 	sc->curchan = chan;
11945463c4a4SSam Leffler 	ieee80211_radiotap_chan_change(ic);
1195ceaec73dSDamien Bergamini }
1196ceaec73dSDamien Bergamini 
1197ceaec73dSDamien Bergamini static void
1198ceaec73dSDamien Bergamini iwi_frame_intr(struct iwi_softc *sc, struct iwi_rx_data *data, int i,
1199ceaec73dSDamien Bergamini     struct iwi_frame *frame)
1200ceaec73dSDamien Bergamini {
1201b032f27cSSam Leffler 	struct ifnet *ifp = sc->sc_ifp;
1202b032f27cSSam Leffler 	struct ieee80211com *ic = ifp->if_l2com;
120346c34436SDamien Bergamini 	struct mbuf *mnew, *m;
1204ceaec73dSDamien Bergamini 	struct ieee80211_node *ni;
1205c10b1400SMax Laier 	int type, error, framelen;
12065463c4a4SSam Leffler 	int8_t rssi, nf;
1207294410acSMax Laier 	IWI_LOCK_DECL;
1208ceaec73dSDamien Bergamini 
1209c10b1400SMax Laier 	framelen = le16toh(frame->len);
1210c10b1400SMax Laier 	if (framelen < IEEE80211_MIN_LEN || framelen > MCLBYTES) {
1211c10b1400SMax Laier 		/*
1212c10b1400SMax Laier 		 * XXX >MCLBYTES is bogus as it means the h/w dma'd
1213c10b1400SMax Laier 		 *     out of bounds; need to figure out how to limit
1214c10b1400SMax Laier 		 *     frame size in the firmware
1215c10b1400SMax Laier 		 */
1216c10b1400SMax Laier 		/* XXX stat */
1217c10b1400SMax Laier 		DPRINTFN(1,
1218c10b1400SMax Laier 		    ("drop rx frame len=%u chan=%u rssi=%u rssi_dbm=%u\n",
1219c10b1400SMax Laier 		    le16toh(frame->len), frame->chan, frame->rssi,
1220c10b1400SMax Laier 		    frame->rssi_dbm));
1221acea4241SDamien Bergamini 		return;
1222c10b1400SMax Laier 	}
1223c10b1400SMax Laier 
1224c10b1400SMax Laier 	DPRINTFN(5, ("received frame len=%u chan=%u rssi=%u rssi_dbm=%u\n",
1225c10b1400SMax Laier 	    le16toh(frame->len), frame->chan, frame->rssi, frame->rssi_dbm));
1226c10b1400SMax Laier 
1227c10b1400SMax Laier 	if (frame->chan != sc->curchan)
1228c10b1400SMax Laier 		iwi_setcurchan(sc, frame->chan);
1229acea4241SDamien Bergamini 
123046c34436SDamien Bergamini 	/*
123146c34436SDamien Bergamini 	 * Try to allocate a new mbuf for this ring element and load it before
123246c34436SDamien Bergamini 	 * processing the current mbuf. If the ring element cannot be loaded,
123346c34436SDamien Bergamini 	 * drop the received packet and reuse the old mbuf. In the unlikely
123446c34436SDamien Bergamini 	 * case that the old mbuf can't be reloaded either, explicitly panic.
123546c34436SDamien Bergamini 	 */
1236c6499eccSGleb Smirnoff 	mnew = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
123746c34436SDamien Bergamini 	if (mnew == NULL) {
123846c34436SDamien Bergamini 		ifp->if_ierrors++;
123946c34436SDamien Bergamini 		return;
124046c34436SDamien Bergamini 	}
124146c34436SDamien Bergamini 
1242ceaec73dSDamien Bergamini 	bus_dmamap_unload(sc->rxq.data_dmat, data->map);
1243ceaec73dSDamien Bergamini 
124446c34436SDamien Bergamini 	error = bus_dmamap_load(sc->rxq.data_dmat, data->map,
124546c34436SDamien Bergamini 	    mtod(mnew, void *), MCLBYTES, iwi_dma_map_addr, &data->physaddr,
124646c34436SDamien Bergamini 	    0);
124746c34436SDamien Bergamini 	if (error != 0) {
124846c34436SDamien Bergamini 		m_freem(mnew);
124946c34436SDamien Bergamini 
125046c34436SDamien Bergamini 		/* try to reload the old mbuf */
125146c34436SDamien Bergamini 		error = bus_dmamap_load(sc->rxq.data_dmat, data->map,
125246c34436SDamien Bergamini 		    mtod(data->m, void *), MCLBYTES, iwi_dma_map_addr,
125346c34436SDamien Bergamini 		    &data->physaddr, 0);
125446c34436SDamien Bergamini 		if (error != 0) {
125546c34436SDamien Bergamini 			/* very unlikely that it will fail... */
125646c34436SDamien Bergamini 			panic("%s: could not load old rx mbuf",
125746c34436SDamien Bergamini 			    device_get_name(sc->sc_dev));
125846c34436SDamien Bergamini 		}
125946c34436SDamien Bergamini 		ifp->if_ierrors++;
126046c34436SDamien Bergamini 		return;
126146c34436SDamien Bergamini 	}
126246c34436SDamien Bergamini 
126346c34436SDamien Bergamini 	/*
126446c34436SDamien Bergamini 	 * New mbuf successfully loaded, update Rx ring and continue
126546c34436SDamien Bergamini 	 * processing.
126646c34436SDamien Bergamini 	 */
1267ceaec73dSDamien Bergamini 	m = data->m;
126846c34436SDamien Bergamini 	data->m = mnew;
126946c34436SDamien Bergamini 	CSR_WRITE_4(sc, data->reg, data->physaddr);
127046c34436SDamien Bergamini 
127146c34436SDamien Bergamini 	/* finalize mbuf */
1272ceaec73dSDamien Bergamini 	m->m_pkthdr.rcvif = ifp;
1273ceaec73dSDamien Bergamini 	m->m_pkthdr.len = m->m_len = sizeof (struct iwi_hdr) +
1274c10b1400SMax Laier 	    sizeof (struct iwi_frame) + framelen;
1275ceaec73dSDamien Bergamini 
1276ceaec73dSDamien Bergamini 	m_adj(m, sizeof (struct iwi_hdr) + sizeof (struct iwi_frame));
1277ceaec73dSDamien Bergamini 
1278fedda423SSam Leffler 	rssi = frame->rssi_dbm;
12795463c4a4SSam Leffler 	nf = -95;
12805463c4a4SSam Leffler 	if (ieee80211_radiotap_active(ic)) {
1281ceaec73dSDamien Bergamini 		struct iwi_rx_radiotap_header *tap = &sc->sc_rxtap;
1282ceaec73dSDamien Bergamini 
1283ceaec73dSDamien Bergamini 		tap->wr_flags = 0;
12845463c4a4SSam Leffler 		tap->wr_antsignal = rssi;
12855463c4a4SSam Leffler 		tap->wr_antnoise = nf;
1286c10b1400SMax Laier 		tap->wr_rate = iwi_cvtrate(frame->rate);
1287ceaec73dSDamien Bergamini 		tap->wr_antenna = frame->antenna;
1288ceaec73dSDamien Bergamini 	}
1289294410acSMax Laier 	IWI_UNLOCK(sc);
1290ceaec73dSDamien Bergamini 
1291c10b1400SMax Laier 	ni = ieee80211_find_rxnode(ic, mtod(m, struct ieee80211_frame_min *));
1292b032f27cSSam Leffler 	if (ni != NULL) {
12935463c4a4SSam Leffler 		type = ieee80211_input(ni, m, rssi, nf);
1294ceaec73dSDamien Bergamini 		ieee80211_free_node(ni);
1295b032f27cSSam Leffler 	} else
12965463c4a4SSam Leffler 		type = ieee80211_input_all(ic, m, rssi, nf);
1297c10b1400SMax Laier 
1298294410acSMax Laier 	IWI_LOCK(sc);
1299c10b1400SMax Laier 	if (sc->sc_softled) {
1300c10b1400SMax Laier 		/*
1301c10b1400SMax Laier 		 * Blink for any data frame.  Otherwise do a
1302c10b1400SMax Laier 		 * heartbeat-style blink when idle.  The latter
1303c10b1400SMax Laier 		 * is mainly for station mode where we depend on
1304c10b1400SMax Laier 		 * periodic beacon frames to trigger the poll event.
1305c10b1400SMax Laier 		 */
1306c10b1400SMax Laier 		if (type == IEEE80211_FC0_TYPE_DATA) {
1307c10b1400SMax Laier 			sc->sc_rxrate = frame->rate;
1308c10b1400SMax Laier 			iwi_led_event(sc, IWI_LED_RX);
1309c10b1400SMax Laier 		} else if (ticks - sc->sc_ledevent >= sc->sc_ledidle)
1310c10b1400SMax Laier 			iwi_led_event(sc, IWI_LED_POLL);
1311c10b1400SMax Laier 	}
1312c10b1400SMax Laier }
1313c10b1400SMax Laier 
1314c10b1400SMax Laier /*
1315c10b1400SMax Laier  * Check for an association response frame to see if QoS
1316c10b1400SMax Laier  * has been negotiated.  We parse just enough to figure
1317c10b1400SMax Laier  * out if we're supposed to use QoS.  The proper solution
1318c10b1400SMax Laier  * is to pass the frame up so ieee80211_input can do the
1319c10b1400SMax Laier  * work but that's made hard by how things currently are
1320c10b1400SMax Laier  * done in the driver.
1321c10b1400SMax Laier  */
1322c10b1400SMax Laier static void
1323b032f27cSSam Leffler iwi_checkforqos(struct ieee80211vap *vap,
1324b032f27cSSam Leffler 	const struct ieee80211_frame *wh, int len)
1325c10b1400SMax Laier {
1326c10b1400SMax Laier #define	SUBTYPE(wh)	((wh)->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK)
1327c10b1400SMax Laier 	const uint8_t *frm, *efrm, *wme;
1328c10b1400SMax Laier 	struct ieee80211_node *ni;
132968e8e04eSSam Leffler 	uint16_t capinfo, status, associd;
1330c10b1400SMax Laier 
1331c10b1400SMax Laier 	/* NB: +8 for capinfo, status, associd, and first ie */
1332c10b1400SMax Laier 	if (!(sizeof(*wh)+8 < len && len < IEEE80211_MAX_LEN) ||
1333c10b1400SMax Laier 	    SUBTYPE(wh) != IEEE80211_FC0_SUBTYPE_ASSOC_RESP)
1334c10b1400SMax Laier 		return;
1335c10b1400SMax Laier 	/*
1336c10b1400SMax Laier 	 * asresp frame format
1337c10b1400SMax Laier 	 *	[2] capability information
1338c10b1400SMax Laier 	 *	[2] status
1339c10b1400SMax Laier 	 *	[2] association ID
1340c10b1400SMax Laier 	 *	[tlv] supported rates
1341c10b1400SMax Laier 	 *	[tlv] extended supported rates
1342c10b1400SMax Laier 	 *	[tlv] WME
1343c10b1400SMax Laier 	 */
1344c10b1400SMax Laier 	frm = (const uint8_t *)&wh[1];
1345c10b1400SMax Laier 	efrm = ((const uint8_t *) wh) + len;
134668e8e04eSSam Leffler 
134768e8e04eSSam Leffler 	capinfo = le16toh(*(const uint16_t *)frm);
134868e8e04eSSam Leffler 	frm += 2;
134968e8e04eSSam Leffler 	status = le16toh(*(const uint16_t *)frm);
135068e8e04eSSam Leffler 	frm += 2;
135168e8e04eSSam Leffler 	associd = le16toh(*(const uint16_t *)frm);
135268e8e04eSSam Leffler 	frm += 2;
1353c10b1400SMax Laier 
1354c10b1400SMax Laier 	wme = NULL;
13557199b6f7SMitsuru IWASAKI 	while (efrm - frm > 1) {
13567199b6f7SMitsuru IWASAKI 		IEEE80211_VERIFY_LENGTH(efrm - frm, frm[1] + 2, return);
1357c10b1400SMax Laier 		switch (*frm) {
1358c10b1400SMax Laier 		case IEEE80211_ELEMID_VENDOR:
1359c10b1400SMax Laier 			if (iswmeoui(frm))
1360c10b1400SMax Laier 				wme = frm;
1361c10b1400SMax Laier 			break;
1362c10b1400SMax Laier 		}
1363c10b1400SMax Laier 		frm += frm[1] + 2;
1364c10b1400SMax Laier 	}
1365c10b1400SMax Laier 
136639bb444cSAdrian Chadd 	ni = ieee80211_ref_node(vap->iv_bss);
136768e8e04eSSam Leffler 	ni->ni_capinfo = capinfo;
13689f953145SBernhard Schmidt 	ni->ni_associd = associd & 0x3fff;
1369c10b1400SMax Laier 	if (wme != NULL)
1370c10b1400SMax Laier 		ni->ni_flags |= IEEE80211_NODE_QOS;
1371c10b1400SMax Laier 	else
1372c10b1400SMax Laier 		ni->ni_flags &= ~IEEE80211_NODE_QOS;
137339bb444cSAdrian Chadd 	ieee80211_free_node(ni);
1374c10b1400SMax Laier #undef SUBTYPE
1375ceaec73dSDamien Bergamini }
1376ceaec73dSDamien Bergamini 
1377*4982d693SAdrian Chadd static void
1378*4982d693SAdrian Chadd iwi_notif_link_quality(struct iwi_softc *sc, struct iwi_notif *notif)
1379*4982d693SAdrian Chadd {
1380*4982d693SAdrian Chadd 	struct iwi_notif_link_quality *lq;
1381*4982d693SAdrian Chadd 	int len;
1382*4982d693SAdrian Chadd 
1383*4982d693SAdrian Chadd 	len = le16toh(notif->len);
1384*4982d693SAdrian Chadd 
1385*4982d693SAdrian Chadd 	DPRINTFN(5, ("Notification (%u) - len=%d, sizeof=%d\n",
1386*4982d693SAdrian Chadd 	    notif->type,
1387*4982d693SAdrian Chadd 	    len,
1388*4982d693SAdrian Chadd 	    sizeof(struct iwi_notif_link_quality)
1389*4982d693SAdrian Chadd 	    ));
1390*4982d693SAdrian Chadd 
1391*4982d693SAdrian Chadd 	/* enforce length */
1392*4982d693SAdrian Chadd 	if (len != sizeof(struct iwi_notif_link_quality)) {
1393*4982d693SAdrian Chadd 		DPRINTFN(5, ("Notification: (%u) too short (%d)\n",
1394*4982d693SAdrian Chadd 		    notif->type,
1395*4982d693SAdrian Chadd 		    len));
1396*4982d693SAdrian Chadd 		return;
1397*4982d693SAdrian Chadd 	}
1398*4982d693SAdrian Chadd 
1399*4982d693SAdrian Chadd 	lq = (struct iwi_notif_link_quality *)(notif + 1);
1400*4982d693SAdrian Chadd 	memcpy(&sc->sc_linkqual, lq, sizeof(sc->sc_linkqual));
1401*4982d693SAdrian Chadd 	sc->sc_linkqual_valid = 1;
1402*4982d693SAdrian Chadd }
1403*4982d693SAdrian Chadd 
1404b032f27cSSam Leffler /*
1405b032f27cSSam Leffler  * Task queue callbacks for iwi_notification_intr used to avoid LOR's.
1406b032f27cSSam Leffler  */
1407b032f27cSSam Leffler 
1408b032f27cSSam Leffler static void
1409ceaec73dSDamien Bergamini iwi_notification_intr(struct iwi_softc *sc, struct iwi_notif *notif)
1410ceaec73dSDamien Bergamini {
1411b032f27cSSam Leffler 	struct ifnet *ifp = sc->sc_ifp;
1412b032f27cSSam Leffler 	struct ieee80211com *ic = ifp->if_l2com;
1413b032f27cSSam Leffler 	struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
1414ceaec73dSDamien Bergamini 	struct iwi_notif_scan_channel *chan;
1415ceaec73dSDamien Bergamini 	struct iwi_notif_scan_complete *scan;
1416ceaec73dSDamien Bergamini 	struct iwi_notif_authentication *auth;
1417ceaec73dSDamien Bergamini 	struct iwi_notif_association *assoc;
1418c10b1400SMax Laier 	struct iwi_notif_beacon_state *beacon;
1419ceaec73dSDamien Bergamini 
1420ceaec73dSDamien Bergamini 	switch (notif->type) {
1421ceaec73dSDamien Bergamini 	case IWI_NOTIF_TYPE_SCAN_CHANNEL:
1422ceaec73dSDamien Bergamini 		chan = (struct iwi_notif_scan_channel *)(notif + 1);
1423ceaec73dSDamien Bergamini 
1424c10b1400SMax Laier 		DPRINTFN(3, ("Scan of channel %u complete (%u)\n",
142568e8e04eSSam Leffler 		    ieee80211_ieee2mhz(chan->nchan, 0), chan->nchan));
142668e8e04eSSam Leffler 
142768e8e04eSSam Leffler 		/* Reset the timer, the scan is still going */
142868e8e04eSSam Leffler 		sc->sc_state_timer = 3;
1429ceaec73dSDamien Bergamini 		break;
1430ceaec73dSDamien Bergamini 
1431ceaec73dSDamien Bergamini 	case IWI_NOTIF_TYPE_SCAN_COMPLETE:
1432ceaec73dSDamien Bergamini 		scan = (struct iwi_notif_scan_complete *)(notif + 1);
1433ceaec73dSDamien Bergamini 
1434ceaec73dSDamien Bergamini 		DPRINTFN(2, ("Scan completed (%u, %u)\n", scan->nchan,
1435ceaec73dSDamien Bergamini 		    scan->status));
1436ceaec73dSDamien Bergamini 
143768e8e04eSSam Leffler 		IWI_STATE_END(sc, IWI_FW_SCANNING);
1438c10b1400SMax Laier 
143940668dc5SBernhard Schmidt 		/*
144040668dc5SBernhard Schmidt 		 * Monitor mode works by doing a passive scan to set
144140668dc5SBernhard Schmidt 		 * the channel and enable rx.  Because we don't want
144240668dc5SBernhard Schmidt 		 * to abort a scan lest the firmware crash we scan
144340668dc5SBernhard Schmidt 		 * for a short period of time and automatically restart
144440668dc5SBernhard Schmidt 		 * the scan when notified the sweep has completed.
144540668dc5SBernhard Schmidt 		 */
144640668dc5SBernhard Schmidt 		if (vap->iv_opmode == IEEE80211_M_MONITOR) {
144740668dc5SBernhard Schmidt 			ieee80211_runtask(ic, &sc->sc_monitortask);
144840668dc5SBernhard Schmidt 			break;
144940668dc5SBernhard Schmidt 		}
145040668dc5SBernhard Schmidt 
1451b032f27cSSam Leffler 		if (scan->status == IWI_SCAN_COMPLETED) {
1452b032f27cSSam Leffler 			/* NB: don't need to defer, net80211 does it for us */
1453b032f27cSSam Leffler 			ieee80211_scan_next(vap);
1454b032f27cSSam Leffler 		}
1455ceaec73dSDamien Bergamini 		break;
1456ceaec73dSDamien Bergamini 
1457ceaec73dSDamien Bergamini 	case IWI_NOTIF_TYPE_AUTHENTICATION:
1458ceaec73dSDamien Bergamini 		auth = (struct iwi_notif_authentication *)(notif + 1);
1459ceaec73dSDamien Bergamini 		switch (auth->state) {
1460c10b1400SMax Laier 		case IWI_AUTH_SUCCESS:
1461c10b1400SMax Laier 			DPRINTFN(2, ("Authentication succeeeded\n"));
14625efea30fSAndrew Thompson 			ieee80211_new_state(vap, IEEE80211_S_ASSOC, -1);
1463ceaec73dSDamien Bergamini 			break;
1464c10b1400SMax Laier 		case IWI_AUTH_FAIL:
1465b032f27cSSam Leffler 			/*
1466b032f27cSSam Leffler 			 * These are delivered as an unsolicited deauth
1467b032f27cSSam Leffler 			 * (e.g. due to inactivity) or in response to an
1468b032f27cSSam Leffler 			 * associate request.
1469b032f27cSSam Leffler 			 */
1470c10b1400SMax Laier 			sc->flags &= ~IWI_FLAG_ASSOCIATED;
1471b032f27cSSam Leffler 			if (vap->iv_state != IEEE80211_S_RUN) {
1472b032f27cSSam Leffler 				DPRINTFN(2, ("Authentication failed\n"));
1473b032f27cSSam Leffler 				vap->iv_stats.is_rx_auth_fail++;
147468e8e04eSSam Leffler 				IWI_STATE_END(sc, IWI_FW_ASSOCIATING);
1475b032f27cSSam Leffler 			} else {
1476b032f27cSSam Leffler 				DPRINTFN(2, ("Deauthenticated\n"));
1477b032f27cSSam Leffler 				vap->iv_stats.is_rx_deauth++;
1478b032f27cSSam Leffler 			}
14795efea30fSAndrew Thompson 			ieee80211_new_state(vap, IEEE80211_S_SCAN, -1);
1480c10b1400SMax Laier 			break;
1481c10b1400SMax Laier 		case IWI_AUTH_SENT_1:
1482c10b1400SMax Laier 		case IWI_AUTH_RECV_2:
1483c10b1400SMax Laier 		case IWI_AUTH_SEQ1_PASS:
1484c10b1400SMax Laier 			break;
1485c10b1400SMax Laier 		case IWI_AUTH_SEQ1_FAIL:
1486c10b1400SMax Laier 			DPRINTFN(2, ("Initial authentication handshake failed; "
1487c10b1400SMax Laier 				"you probably need shared key\n"));
1488b032f27cSSam Leffler 			vap->iv_stats.is_rx_auth_fail++;
148968e8e04eSSam Leffler 			IWI_STATE_END(sc, IWI_FW_ASSOCIATING);
1490c10b1400SMax Laier 			/* XXX retry shared key when in auto */
1491ceaec73dSDamien Bergamini 			break;
1492ceaec73dSDamien Bergamini 		default:
1493ceaec73dSDamien Bergamini 			device_printf(sc->sc_dev,
1494ceaec73dSDamien Bergamini 			    "unknown authentication state %u\n", auth->state);
1495b032f27cSSam Leffler 			break;
1496ceaec73dSDamien Bergamini 		}
1497ceaec73dSDamien Bergamini 		break;
1498ceaec73dSDamien Bergamini 
1499ceaec73dSDamien Bergamini 	case IWI_NOTIF_TYPE_ASSOCIATION:
1500ceaec73dSDamien Bergamini 		assoc = (struct iwi_notif_association *)(notif + 1);
1501ceaec73dSDamien Bergamini 		switch (assoc->state) {
1502c10b1400SMax Laier 		case IWI_AUTH_SUCCESS:
1503ceaec73dSDamien Bergamini 			/* re-association, do nothing */
1504ceaec73dSDamien Bergamini 			break;
1505c10b1400SMax Laier 		case IWI_ASSOC_SUCCESS:
1506c10b1400SMax Laier 			DPRINTFN(2, ("Association succeeded\n"));
1507c10b1400SMax Laier 			sc->flags |= IWI_FLAG_ASSOCIATED;
150868e8e04eSSam Leffler 			IWI_STATE_END(sc, IWI_FW_ASSOCIATING);
1509b032f27cSSam Leffler 			iwi_checkforqos(vap,
1510c10b1400SMax Laier 			    (const struct ieee80211_frame *)(assoc+1),
151182510b7eSBernhard Schmidt 			    le16toh(notif->len) - sizeof(*assoc) - 1);
15125efea30fSAndrew Thompson 			ieee80211_new_state(vap, IEEE80211_S_RUN, -1);
1513ceaec73dSDamien Bergamini 			break;
151468e8e04eSSam Leffler 		case IWI_ASSOC_INIT:
1515b032f27cSSam Leffler 			sc->flags &= ~IWI_FLAG_ASSOCIATED;
151668e8e04eSSam Leffler 			switch (sc->fw_state) {
151768e8e04eSSam Leffler 			case IWI_FW_ASSOCIATING:
1518c10b1400SMax Laier 				DPRINTFN(2, ("Association failed\n"));
151968e8e04eSSam Leffler 				IWI_STATE_END(sc, IWI_FW_ASSOCIATING);
15205efea30fSAndrew Thompson 				ieee80211_new_state(vap, IEEE80211_S_SCAN, -1);
152168e8e04eSSam Leffler 				break;
152268e8e04eSSam Leffler 
152368e8e04eSSam Leffler 			case IWI_FW_DISASSOCIATING:
152468e8e04eSSam Leffler 				DPRINTFN(2, ("Dissassociated\n"));
1525b032f27cSSam Leffler 				IWI_STATE_END(sc, IWI_FW_DISASSOCIATING);
1526b032f27cSSam Leffler 				vap->iv_stats.is_rx_disassoc++;
15275efea30fSAndrew Thompson 				ieee80211_new_state(vap, IEEE80211_S_SCAN, -1);
152868e8e04eSSam Leffler 				break;
152968e8e04eSSam Leffler 			}
1530ceaec73dSDamien Bergamini 			break;
1531ceaec73dSDamien Bergamini 		default:
1532ceaec73dSDamien Bergamini 			device_printf(sc->sc_dev,
1533ceaec73dSDamien Bergamini 			    "unknown association state %u\n", assoc->state);
1534b032f27cSSam Leffler 			break;
1535ceaec73dSDamien Bergamini 		}
1536ceaec73dSDamien Bergamini 		break;
1537ceaec73dSDamien Bergamini 
1538c10b1400SMax Laier 	case IWI_NOTIF_TYPE_BEACON:
1539c10b1400SMax Laier 		/* XXX check struct length */
1540c10b1400SMax Laier 		beacon = (struct iwi_notif_beacon_state *)(notif + 1);
1541c10b1400SMax Laier 
1542c10b1400SMax Laier 		DPRINTFN(5, ("Beacon state (%u, %u)\n",
1543c10b1400SMax Laier 		    beacon->state, le32toh(beacon->number)));
1544c10b1400SMax Laier 
1545c10b1400SMax Laier 		if (beacon->state == IWI_BEACON_MISS) {
1546c10b1400SMax Laier 			/*
1547c10b1400SMax Laier 			 * The firmware notifies us of every beacon miss
1548c10b1400SMax Laier 			 * so we need to track the count against the
1549c10b1400SMax Laier 			 * configured threshold before notifying the
1550c10b1400SMax Laier 			 * 802.11 layer.
1551c10b1400SMax Laier 			 * XXX try to roam, drop assoc only on much higher count
1552c10b1400SMax Laier 			 */
1553b032f27cSSam Leffler 			if (le32toh(beacon->number) >= vap->iv_bmissthreshold) {
1554c10b1400SMax Laier 				DPRINTF(("Beacon miss: %u >= %u\n",
1555c10b1400SMax Laier 				    le32toh(beacon->number),
1556b032f27cSSam Leffler 				    vap->iv_bmissthreshold));
1557b032f27cSSam Leffler 				vap->iv_stats.is_beacon_miss++;
1558b032f27cSSam Leffler 				/*
1559b032f27cSSam Leffler 				 * It's pointless to notify the 802.11 layer
1560b032f27cSSam Leffler 				 * as it'll try to send a probe request (which
1561b032f27cSSam Leffler 				 * we'll discard) and then timeout and drop us
1562b032f27cSSam Leffler 				 * into scan state.  Instead tell the firmware
1563b032f27cSSam Leffler 				 * to disassociate and then on completion we'll
1564b032f27cSSam Leffler 				 * kick the state machine to scan.
1565b032f27cSSam Leffler 				 */
15665efea30fSAndrew Thompson 				ieee80211_runtask(ic, &sc->sc_disassoctask);
1567c10b1400SMax Laier 			}
1568c10b1400SMax Laier 		}
1569c10b1400SMax Laier 		break;
1570c10b1400SMax Laier 
1571c10b1400SMax Laier 	case IWI_NOTIF_TYPE_CALIBRATION:
1572c10b1400SMax Laier 	case IWI_NOTIF_TYPE_NOISE:
1573*4982d693SAdrian Chadd 		/* XXX handle? */
157484f55b29SDamien Bergamini 		DPRINTFN(5, ("Notification (%u)\n", notif->type));
1575c10b1400SMax Laier 		break;
1576*4982d693SAdrian Chadd 	case IWI_NOTIF_TYPE_LINK_QUALITY:
1577*4982d693SAdrian Chadd 		iwi_notif_link_quality(sc, notif);
1578*4982d693SAdrian Chadd 		break;
1579c10b1400SMax Laier 
1580c10b1400SMax Laier 	default:
1581c10b1400SMax Laier 		DPRINTF(("unknown notification type %u flags 0x%x len %u\n",
1582c10b1400SMax Laier 		    notif->type, notif->flags, le16toh(notif->len)));
1583b032f27cSSam Leffler 		break;
1584ceaec73dSDamien Bergamini 	}
1585ceaec73dSDamien Bergamini }
1586ceaec73dSDamien Bergamini 
1587ceaec73dSDamien Bergamini static void
1588ceaec73dSDamien Bergamini iwi_rx_intr(struct iwi_softc *sc)
1589ceaec73dSDamien Bergamini {
1590ceaec73dSDamien Bergamini 	struct iwi_rx_data *data;
1591ceaec73dSDamien Bergamini 	struct iwi_hdr *hdr;
1592ceaec73dSDamien Bergamini 	uint32_t hw;
1593ceaec73dSDamien Bergamini 
1594ceaec73dSDamien Bergamini 	hw = CSR_READ_4(sc, IWI_CSR_RX_RIDX);
1595ceaec73dSDamien Bergamini 
1596ceaec73dSDamien Bergamini 	for (; sc->rxq.cur != hw;) {
1597ceaec73dSDamien Bergamini 		data = &sc->rxq.data[sc->rxq.cur];
1598ceaec73dSDamien Bergamini 
1599ceaec73dSDamien Bergamini 		bus_dmamap_sync(sc->rxq.data_dmat, data->map,
1600ceaec73dSDamien Bergamini 		    BUS_DMASYNC_POSTREAD);
1601ceaec73dSDamien Bergamini 
1602ceaec73dSDamien Bergamini 		hdr = mtod(data->m, struct iwi_hdr *);
1603ceaec73dSDamien Bergamini 
1604ceaec73dSDamien Bergamini 		switch (hdr->type) {
1605ceaec73dSDamien Bergamini 		case IWI_HDR_TYPE_FRAME:
1606ceaec73dSDamien Bergamini 			iwi_frame_intr(sc, data, sc->rxq.cur,
1607ceaec73dSDamien Bergamini 			    (struct iwi_frame *)(hdr + 1));
1608ceaec73dSDamien Bergamini 			break;
1609ceaec73dSDamien Bergamini 
1610ceaec73dSDamien Bergamini 		case IWI_HDR_TYPE_NOTIF:
1611ceaec73dSDamien Bergamini 			iwi_notification_intr(sc,
1612ceaec73dSDamien Bergamini 			    (struct iwi_notif *)(hdr + 1));
1613ceaec73dSDamien Bergamini 			break;
1614ceaec73dSDamien Bergamini 
1615ceaec73dSDamien Bergamini 		default:
1616ceaec73dSDamien Bergamini 			device_printf(sc->sc_dev, "unknown hdr type %u\n",
1617ceaec73dSDamien Bergamini 			    hdr->type);
1618ceaec73dSDamien Bergamini 		}
1619ceaec73dSDamien Bergamini 
1620ceaec73dSDamien Bergamini 		DPRINTFN(15, ("rx done idx=%u\n", sc->rxq.cur));
1621ceaec73dSDamien Bergamini 
1622ceaec73dSDamien Bergamini 		sc->rxq.cur = (sc->rxq.cur + 1) % IWI_RX_RING_COUNT;
1623ceaec73dSDamien Bergamini 	}
1624ceaec73dSDamien Bergamini 
1625ceaec73dSDamien Bergamini 	/* tell the firmware what we have processed */
1626ceaec73dSDamien Bergamini 	hw = (hw == 0) ? IWI_RX_RING_COUNT - 1 : hw - 1;
1627ceaec73dSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_RX_WIDX, hw);
1628ceaec73dSDamien Bergamini }
1629ceaec73dSDamien Bergamini 
1630ceaec73dSDamien Bergamini static void
1631ec01dc2bSDamien Bergamini iwi_tx_intr(struct iwi_softc *sc, struct iwi_tx_ring *txq)
1632ceaec73dSDamien Bergamini {
1633b032f27cSSam Leffler 	struct ifnet *ifp = sc->sc_ifp;
1634ceaec73dSDamien Bergamini 	struct iwi_tx_data *data;
1635ceaec73dSDamien Bergamini 	uint32_t hw;
1636ceaec73dSDamien Bergamini 
1637ec01dc2bSDamien Bergamini 	hw = CSR_READ_4(sc, txq->csr_ridx);
1638ceaec73dSDamien Bergamini 
1639ec01dc2bSDamien Bergamini 	for (; txq->next != hw;) {
1640ec01dc2bSDamien Bergamini 		data = &txq->data[txq->next];
1641ceaec73dSDamien Bergamini 
1642ec01dc2bSDamien Bergamini 		bus_dmamap_sync(txq->data_dmat, data->map,
1643ceaec73dSDamien Bergamini 		    BUS_DMASYNC_POSTWRITE);
1644ec01dc2bSDamien Bergamini 		bus_dmamap_unload(txq->data_dmat, data->map);
164568e8e04eSSam Leffler 		if (data->m->m_flags & M_TXCB)
164668e8e04eSSam Leffler 			ieee80211_process_callback(data->ni, data->m, 0/*XXX*/);
1647ceaec73dSDamien Bergamini 		m_freem(data->m);
1648ceaec73dSDamien Bergamini 		data->m = NULL;
1649ceaec73dSDamien Bergamini 		ieee80211_free_node(data->ni);
1650ceaec73dSDamien Bergamini 		data->ni = NULL;
1651ceaec73dSDamien Bergamini 
1652ec01dc2bSDamien Bergamini 		DPRINTFN(15, ("tx done idx=%u\n", txq->next));
1653ceaec73dSDamien Bergamini 
1654ceaec73dSDamien Bergamini 		ifp->if_opackets++;
1655ceaec73dSDamien Bergamini 
1656ec01dc2bSDamien Bergamini 		txq->queued--;
1657ec01dc2bSDamien Bergamini 		txq->next = (txq->next + 1) % IWI_TX_RING_COUNT;
1658ceaec73dSDamien Bergamini 	}
1659ceaec73dSDamien Bergamini 
1660ceaec73dSDamien Bergamini 	sc->sc_tx_timer = 0;
166113f4c340SRobert Watson 	ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1662c10b1400SMax Laier 
1663c10b1400SMax Laier 	if (sc->sc_softled)
1664c10b1400SMax Laier 		iwi_led_event(sc, IWI_LED_TX);
1665c10b1400SMax Laier 
1666b032f27cSSam Leffler 	iwi_start_locked(ifp);
1667ceaec73dSDamien Bergamini }
1668ceaec73dSDamien Bergamini 
1669ceaec73dSDamien Bergamini static void
16705efea30fSAndrew Thompson iwi_fatal_error_intr(struct iwi_softc *sc)
16715efea30fSAndrew Thompson {
16725efea30fSAndrew Thompson 	struct ifnet *ifp = sc->sc_ifp;
16735efea30fSAndrew Thompson 	struct ieee80211com *ic = ifp->if_l2com;
1674e1d2045eSAndrew Thompson 	struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
16755efea30fSAndrew Thompson 
16765efea30fSAndrew Thompson 	device_printf(sc->sc_dev, "firmware error\n");
1677e1d2045eSAndrew Thompson 	if (vap != NULL)
1678e1d2045eSAndrew Thompson 		ieee80211_cancel_scan(vap);
16795efea30fSAndrew Thompson 	ieee80211_runtask(ic, &sc->sc_restarttask);
16805efea30fSAndrew Thompson 
16815efea30fSAndrew Thompson 	sc->flags &= ~IWI_FLAG_BUSY;
16825efea30fSAndrew Thompson 	sc->sc_busy_timer = 0;
16835efea30fSAndrew Thompson 	wakeup(sc);
16845efea30fSAndrew Thompson }
16855efea30fSAndrew Thompson 
16865efea30fSAndrew Thompson static void
16875efea30fSAndrew Thompson iwi_radio_off_intr(struct iwi_softc *sc)
16885efea30fSAndrew Thompson {
16895efea30fSAndrew Thompson 	struct ifnet *ifp = sc->sc_ifp;
16905efea30fSAndrew Thompson 	struct ieee80211com *ic = ifp->if_l2com;
16915efea30fSAndrew Thompson 
16925efea30fSAndrew Thompson 	ieee80211_runtask(ic, &sc->sc_radiofftask);
16935efea30fSAndrew Thompson }
16945efea30fSAndrew Thompson 
16955efea30fSAndrew Thompson static void
1696ceaec73dSDamien Bergamini iwi_intr(void *arg)
1697ceaec73dSDamien Bergamini {
1698ceaec73dSDamien Bergamini 	struct iwi_softc *sc = arg;
1699ceaec73dSDamien Bergamini 	uint32_t r;
1700c10b1400SMax Laier 	IWI_LOCK_DECL;
1701ceaec73dSDamien Bergamini 
1702c10b1400SMax Laier 	IWI_LOCK(sc);
1703ceaec73dSDamien Bergamini 
1704ceaec73dSDamien Bergamini 	if ((r = CSR_READ_4(sc, IWI_CSR_INTR)) == 0 || r == 0xffffffff) {
1705c10b1400SMax Laier 		IWI_UNLOCK(sc);
1706ceaec73dSDamien Bergamini 		return;
1707ceaec73dSDamien Bergamini 	}
1708ceaec73dSDamien Bergamini 
1709389fb0b4SDamien Bergamini 	/* acknowledge interrupts */
1710389fb0b4SDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_INTR, r);
1711ceaec73dSDamien Bergamini 
1712c10b1400SMax Laier 	if (r & IWI_INTR_FATAL_ERROR) {
17135efea30fSAndrew Thompson 		iwi_fatal_error_intr(sc);
17145efea30fSAndrew Thompson 		goto done;
1715ceaec73dSDamien Bergamini 	}
1716ceaec73dSDamien Bergamini 
1717c10b1400SMax Laier 	if (r & IWI_INTR_FW_INITED) {
1718c10b1400SMax Laier 		if (!(r & (IWI_INTR_FATAL_ERROR | IWI_INTR_PARITY_ERROR)))
1719ceaec73dSDamien Bergamini 			wakeup(sc);
1720ceaec73dSDamien Bergamini 	}
1721ceaec73dSDamien Bergamini 
1722c10b1400SMax Laier 	if (r & IWI_INTR_RADIO_OFF)
17235efea30fSAndrew Thompson 		iwi_radio_off_intr(sc);
1724c10b1400SMax Laier 
1725c10b1400SMax Laier 	if (r & IWI_INTR_CMD_DONE) {
1726c10b1400SMax Laier 		sc->flags &= ~IWI_FLAG_BUSY;
172768e8e04eSSam Leffler 		sc->sc_busy_timer = 0;
1728ceaec73dSDamien Bergamini 		wakeup(sc);
1729c10b1400SMax Laier 	}
1730ceaec73dSDamien Bergamini 
1731ceaec73dSDamien Bergamini 	if (r & IWI_INTR_TX1_DONE)
1732ec01dc2bSDamien Bergamini 		iwi_tx_intr(sc, &sc->txq[0]);
1733ec01dc2bSDamien Bergamini 
1734ec01dc2bSDamien Bergamini 	if (r & IWI_INTR_TX2_DONE)
1735ec01dc2bSDamien Bergamini 		iwi_tx_intr(sc, &sc->txq[1]);
1736ec01dc2bSDamien Bergamini 
1737ec01dc2bSDamien Bergamini 	if (r & IWI_INTR_TX3_DONE)
1738ec01dc2bSDamien Bergamini 		iwi_tx_intr(sc, &sc->txq[2]);
1739ec01dc2bSDamien Bergamini 
1740ec01dc2bSDamien Bergamini 	if (r & IWI_INTR_TX4_DONE)
1741ec01dc2bSDamien Bergamini 		iwi_tx_intr(sc, &sc->txq[3]);
1742ec01dc2bSDamien Bergamini 
1743ec01dc2bSDamien Bergamini 	if (r & IWI_INTR_RX_DONE)
1744ec01dc2bSDamien Bergamini 		iwi_rx_intr(sc);
1745ceaec73dSDamien Bergamini 
1746c10b1400SMax Laier 	if (r & IWI_INTR_PARITY_ERROR) {
1747c10b1400SMax Laier 		/* XXX rate-limit */
1748c10b1400SMax Laier 		device_printf(sc->sc_dev, "parity error\n");
1749c10b1400SMax Laier 	}
17505efea30fSAndrew Thompson done:
1751c10b1400SMax Laier 	IWI_UNLOCK(sc);
1752ceaec73dSDamien Bergamini }
1753ceaec73dSDamien Bergamini 
1754ceaec73dSDamien Bergamini static int
1755c10b1400SMax Laier iwi_cmd(struct iwi_softc *sc, uint8_t type, void *data, uint8_t len)
1756ceaec73dSDamien Bergamini {
1757ceaec73dSDamien Bergamini 	struct iwi_cmd_desc *desc;
1758ceaec73dSDamien Bergamini 
175968e8e04eSSam Leffler 	IWI_LOCK_ASSERT(sc);
1760484f6530SLuigi Rizzo 
1761c10b1400SMax Laier 	if (sc->flags & IWI_FLAG_BUSY) {
1762c10b1400SMax Laier 		device_printf(sc->sc_dev, "%s: cmd %d not sent, busy\n",
1763c10b1400SMax Laier 			__func__, type);
1764c10b1400SMax Laier 		return EAGAIN;
1765c10b1400SMax Laier 	}
1766c10b1400SMax Laier 	sc->flags |= IWI_FLAG_BUSY;
176768e8e04eSSam Leffler 	sc->sc_busy_timer = 2;
1768c10b1400SMax Laier 
1769ceaec73dSDamien Bergamini 	desc = &sc->cmdq.desc[sc->cmdq.cur];
1770ceaec73dSDamien Bergamini 
1771ceaec73dSDamien Bergamini 	desc->hdr.type = IWI_HDR_TYPE_COMMAND;
1772ceaec73dSDamien Bergamini 	desc->hdr.flags = IWI_HDR_FLAG_IRQ;
1773ceaec73dSDamien Bergamini 	desc->type = type;
1774ceaec73dSDamien Bergamini 	desc->len = len;
1775ceaec73dSDamien Bergamini 	memcpy(desc->data, data, len);
1776ceaec73dSDamien Bergamini 
1777ceaec73dSDamien Bergamini 	bus_dmamap_sync(sc->cmdq.desc_dmat, sc->cmdq.desc_map,
1778ceaec73dSDamien Bergamini 	    BUS_DMASYNC_PREWRITE);
1779ceaec73dSDamien Bergamini 
1780ceaec73dSDamien Bergamini 	DPRINTFN(2, ("sending command idx=%u type=%u len=%u\n", sc->cmdq.cur,
1781ceaec73dSDamien Bergamini 	    type, len));
1782ceaec73dSDamien Bergamini 
1783ceaec73dSDamien Bergamini 	sc->cmdq.cur = (sc->cmdq.cur + 1) % IWI_CMD_RING_COUNT;
1784ceaec73dSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_CMD_WIDX, sc->cmdq.cur);
1785ceaec73dSDamien Bergamini 
1786c10b1400SMax Laier 	return msleep(sc, &sc->sc_mtx, 0, "iwicmd", hz);
1787ceaec73dSDamien Bergamini }
1788ceaec73dSDamien Bergamini 
178928a38073SDamien Bergamini static void
1790c10b1400SMax Laier iwi_write_ibssnode(struct iwi_softc *sc,
1791c10b1400SMax Laier 	const u_int8_t addr[IEEE80211_ADDR_LEN], int entry)
179228a38073SDamien Bergamini {
179328a38073SDamien Bergamini 	struct iwi_ibssnode node;
179428a38073SDamien Bergamini 
179528a38073SDamien Bergamini 	/* write node information into NIC memory */
179628a38073SDamien Bergamini 	memset(&node, 0, sizeof node);
1797c10b1400SMax Laier 	IEEE80211_ADDR_COPY(node.bssid, addr);
1798c10b1400SMax Laier 
1799c10b1400SMax Laier 	DPRINTF(("%s mac %6D station %u\n", __func__, node.bssid, ":", entry));
180028a38073SDamien Bergamini 
180128a38073SDamien Bergamini 	CSR_WRITE_REGION_1(sc,
1802c10b1400SMax Laier 	    IWI_CSR_NODE_BASE + entry * sizeof node,
180328a38073SDamien Bergamini 	    (uint8_t *)&node, sizeof node);
180428a38073SDamien Bergamini }
180528a38073SDamien Bergamini 
1806ceaec73dSDamien Bergamini static int
18070b74a285SDamien Bergamini iwi_tx_start(struct ifnet *ifp, struct mbuf *m0, struct ieee80211_node *ni,
18080b74a285SDamien Bergamini     int ac)
1809ceaec73dSDamien Bergamini {
1810ceaec73dSDamien Bergamini 	struct iwi_softc *sc = ifp->if_softc;
1811b032f27cSSam Leffler 	struct ieee80211vap *vap = ni->ni_vap;
1812b032f27cSSam Leffler 	struct ieee80211com *ic = ni->ni_ic;
181328a38073SDamien Bergamini 	struct iwi_node *in = (struct iwi_node *)ni;
1814c10b1400SMax Laier 	const struct ieee80211_frame *wh;
1815acea4241SDamien Bergamini 	struct ieee80211_key *k;
1816ec01dc2bSDamien Bergamini 	const struct chanAccParams *cap;
18170b74a285SDamien Bergamini 	struct iwi_tx_ring *txq = &sc->txq[ac];
1818ceaec73dSDamien Bergamini 	struct iwi_tx_data *data;
1819ceaec73dSDamien Bergamini 	struct iwi_tx_desc *desc;
1820ceaec73dSDamien Bergamini 	struct mbuf *mnew;
1821ceaec73dSDamien Bergamini 	bus_dma_segment_t segs[IWI_MAX_NSEG];
1822c10b1400SMax Laier 	int error, nsegs, hdrlen, i;
1823c10b1400SMax Laier 	int ismcast, flags, xflags, staid;
1824ceaec73dSDamien Bergamini 
182568e8e04eSSam Leffler 	IWI_LOCK_ASSERT(sc);
1826c10b1400SMax Laier 	wh = mtod(m0, const struct ieee80211_frame *);
1827c10b1400SMax Laier 	/* NB: only data frames use this path */
1828c10b1400SMax Laier 	hdrlen = ieee80211_hdrsize(wh);
1829c10b1400SMax Laier 	ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1);
1830c10b1400SMax Laier 	flags = xflags = 0;
1831ec01dc2bSDamien Bergamini 
1832c10b1400SMax Laier 	if (!ismcast)
1833c10b1400SMax Laier 		flags |= IWI_DATA_FLAG_NEED_ACK;
1834b032f27cSSam Leffler 	if (vap->iv_flags & IEEE80211_F_SHPREAMBLE)
1835c10b1400SMax Laier 		flags |= IWI_DATA_FLAG_SHPREAMBLE;
1836c10b1400SMax Laier 	if (IEEE80211_QOS_HAS_SEQ(wh)) {
1837c10b1400SMax Laier 		xflags |= IWI_DATA_XFLAG_QOS;
1838ec01dc2bSDamien Bergamini 		cap = &ic->ic_wme.wme_chanParams;
1839c10b1400SMax Laier 		if (!cap->cap_wmeParams[ac].wmep_noackPolicy)
1840c10b1400SMax Laier 			flags &= ~IWI_DATA_FLAG_NEED_ACK;
1841c10b1400SMax Laier 	}
1842ec01dc2bSDamien Bergamini 
184328a38073SDamien Bergamini 	/*
184428a38073SDamien Bergamini 	 * This is only used in IBSS mode where the firmware expect an index
184528a38073SDamien Bergamini 	 * in a h/w table instead of a destination address.
184628a38073SDamien Bergamini 	 */
1847b032f27cSSam Leffler 	if (vap->iv_opmode == IEEE80211_M_IBSS) {
1848c10b1400SMax Laier 		if (!ismcast) {
1849c10b1400SMax Laier 			if (in->in_station == -1) {
185028a38073SDamien Bergamini 				in->in_station = alloc_unr(sc->sc_unr);
1851c10b1400SMax Laier 				if (in->in_station == -1) {
1852c10b1400SMax Laier 					/* h/w table is full */
1853ec01dc2bSDamien Bergamini 					m_freem(m0);
18540b74a285SDamien Bergamini 					ieee80211_free_node(ni);
18550b74a285SDamien Bergamini 					ifp->if_oerrors++;
1856ec01dc2bSDamien Bergamini 					return 0;
1857ec01dc2bSDamien Bergamini 				}
1858c10b1400SMax Laier 				iwi_write_ibssnode(sc,
1859c10b1400SMax Laier 					ni->ni_macaddr, in->in_station);
18600b74a285SDamien Bergamini 			}
1861c10b1400SMax Laier 			staid = in->in_station;
1862c10b1400SMax Laier 		} else {
1863c10b1400SMax Laier 			/*
1864c10b1400SMax Laier 			 * Multicast addresses have no associated node
1865c10b1400SMax Laier 			 * so there will be no station entry.  We reserve
1866c10b1400SMax Laier 			 * entry 0 for one mcast address and use that.
1867c10b1400SMax Laier 			 * If there are many being used this will be
1868c10b1400SMax Laier 			 * expensive and we'll need to do a better job
1869c10b1400SMax Laier 			 * but for now this handles the broadcast case.
1870c10b1400SMax Laier 			 */
1871c10b1400SMax Laier 			if (!IEEE80211_ADDR_EQ(wh->i_addr1, sc->sc_mcast)) {
1872c10b1400SMax Laier 				IEEE80211_ADDR_COPY(sc->sc_mcast, wh->i_addr1);
1873c10b1400SMax Laier 				iwi_write_ibssnode(sc, sc->sc_mcast, 0);
1874c10b1400SMax Laier 			}
1875c10b1400SMax Laier 			staid = 0;
1876c10b1400SMax Laier 		}
1877c10b1400SMax Laier 	} else
1878c10b1400SMax Laier 		staid = 0;
1879ec01dc2bSDamien Bergamini 
18805945b5f5SKevin Lo 	if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) {
1881b032f27cSSam Leffler 		k = ieee80211_crypto_encap(ni, m0);
188282145663SSam Leffler 		if (k == NULL) {
188382145663SSam Leffler 			m_freem(m0);
1884acea4241SDamien Bergamini 			return ENOBUFS;
1885acea4241SDamien Bergamini 		}
1886ec01dc2bSDamien Bergamini 
1887ec01dc2bSDamien Bergamini 		/* packet header may have moved, reset our local pointer */
1888ec01dc2bSDamien Bergamini 		wh = mtod(m0, struct ieee80211_frame *);
188982145663SSam Leffler 	}
1890acea4241SDamien Bergamini 
18915463c4a4SSam Leffler 	if (ieee80211_radiotap_active_vap(vap)) {
1892ceaec73dSDamien Bergamini 		struct iwi_tx_radiotap_header *tap = &sc->sc_txtap;
1893ceaec73dSDamien Bergamini 
1894ceaec73dSDamien Bergamini 		tap->wt_flags = 0;
1895ceaec73dSDamien Bergamini 
18965463c4a4SSam Leffler 		ieee80211_radiotap_tx(vap, m0);
1897ceaec73dSDamien Bergamini 	}
1898ceaec73dSDamien Bergamini 
1899ec01dc2bSDamien Bergamini 	data = &txq->data[txq->cur];
1900ec01dc2bSDamien Bergamini 	desc = &txq->desc[txq->cur];
1901ceaec73dSDamien Bergamini 
1902ec01dc2bSDamien Bergamini 	/* save and trim IEEE802.11 header */
1903ec01dc2bSDamien Bergamini 	m_copydata(m0, 0, hdrlen, (caddr_t)&desc->wh);
1904ec01dc2bSDamien Bergamini 	m_adj(m0, hdrlen);
1905ceaec73dSDamien Bergamini 
1906ec01dc2bSDamien Bergamini 	error = bus_dmamap_load_mbuf_sg(txq->data_dmat, data->map, m0, segs,
1907ceaec73dSDamien Bergamini 	    &nsegs, 0);
1908ceaec73dSDamien Bergamini 	if (error != 0 && error != EFBIG) {
1909ceaec73dSDamien Bergamini 		device_printf(sc->sc_dev, "could not map mbuf (error %d)\n",
1910ceaec73dSDamien Bergamini 		    error);
1911ceaec73dSDamien Bergamini 		m_freem(m0);
1912ceaec73dSDamien Bergamini 		return error;
1913ceaec73dSDamien Bergamini 	}
1914ceaec73dSDamien Bergamini 	if (error != 0) {
1915c6499eccSGleb Smirnoff 		mnew = m_defrag(m0, M_NOWAIT);
1916ceaec73dSDamien Bergamini 		if (mnew == NULL) {
1917ceaec73dSDamien Bergamini 			device_printf(sc->sc_dev,
1918ceaec73dSDamien Bergamini 			    "could not defragment mbuf\n");
1919ceaec73dSDamien Bergamini 			m_freem(m0);
1920ceaec73dSDamien Bergamini 			return ENOBUFS;
1921ceaec73dSDamien Bergamini 		}
1922ceaec73dSDamien Bergamini 		m0 = mnew;
1923ceaec73dSDamien Bergamini 
1924ec01dc2bSDamien Bergamini 		error = bus_dmamap_load_mbuf_sg(txq->data_dmat, data->map,
1925ceaec73dSDamien Bergamini 		    m0, segs, &nsegs, 0);
1926ceaec73dSDamien Bergamini 		if (error != 0) {
1927ceaec73dSDamien Bergamini 			device_printf(sc->sc_dev,
1928ceaec73dSDamien Bergamini 			    "could not map mbuf (error %d)\n", error);
1929ceaec73dSDamien Bergamini 			m_freem(m0);
1930ceaec73dSDamien Bergamini 			return error;
1931ceaec73dSDamien Bergamini 		}
1932ceaec73dSDamien Bergamini 	}
1933ceaec73dSDamien Bergamini 
1934ceaec73dSDamien Bergamini 	data->m = m0;
1935ceaec73dSDamien Bergamini 	data->ni = ni;
1936ceaec73dSDamien Bergamini 
1937ceaec73dSDamien Bergamini 	desc->hdr.type = IWI_HDR_TYPE_DATA;
1938ceaec73dSDamien Bergamini 	desc->hdr.flags = IWI_HDR_FLAG_IRQ;
1939c10b1400SMax Laier 	desc->station = staid;
1940ceaec73dSDamien Bergamini 	desc->cmd = IWI_DATA_CMD_TX;
1941ceaec73dSDamien Bergamini 	desc->len = htole16(m0->m_pkthdr.len);
1942c10b1400SMax Laier 	desc->flags = flags;
1943c10b1400SMax Laier 	desc->xflags = xflags;
1944ceaec73dSDamien Bergamini 
1945acea4241SDamien Bergamini #if 0
1946b032f27cSSam Leffler 	if (vap->iv_flags & IEEE80211_F_PRIVACY)
1947b032f27cSSam Leffler 		desc->wep_txkey = vap->iv_def_txkey;
1948c10b1400SMax Laier 	else
1949acea4241SDamien Bergamini #endif
1950ceaec73dSDamien Bergamini 		desc->flags |= IWI_DATA_FLAG_NO_WEP;
1951ceaec73dSDamien Bergamini 
1952ceaec73dSDamien Bergamini 	desc->nseg = htole32(nsegs);
1953ceaec73dSDamien Bergamini 	for (i = 0; i < nsegs; i++) {
1954ceaec73dSDamien Bergamini 		desc->seg_addr[i] = htole32(segs[i].ds_addr);
195581e6343cSDamien Bergamini 		desc->seg_len[i]  = htole16(segs[i].ds_len);
1956ceaec73dSDamien Bergamini 	}
1957ceaec73dSDamien Bergamini 
1958ec01dc2bSDamien Bergamini 	bus_dmamap_sync(txq->data_dmat, data->map, BUS_DMASYNC_PREWRITE);
1959ec01dc2bSDamien Bergamini 	bus_dmamap_sync(txq->desc_dmat, txq->desc_map, BUS_DMASYNC_PREWRITE);
1960ceaec73dSDamien Bergamini 
1961ec01dc2bSDamien Bergamini 	DPRINTFN(5, ("sending data frame txq=%u idx=%u len=%u nseg=%u\n",
196281e6343cSDamien Bergamini 	    ac, txq->cur, le16toh(desc->len), nsegs));
1963ceaec73dSDamien Bergamini 
1964ec01dc2bSDamien Bergamini 	txq->queued++;
1965ec01dc2bSDamien Bergamini 	txq->cur = (txq->cur + 1) % IWI_TX_RING_COUNT;
1966ec01dc2bSDamien Bergamini 	CSR_WRITE_4(sc, txq->csr_widx, txq->cur);
1967ceaec73dSDamien Bergamini 
1968ceaec73dSDamien Bergamini 	return 0;
1969ceaec73dSDamien Bergamini }
1970ceaec73dSDamien Bergamini 
1971b032f27cSSam Leffler static int
1972b032f27cSSam Leffler iwi_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
1973b032f27cSSam Leffler 	const struct ieee80211_bpf_params *params)
1974b032f27cSSam Leffler {
1975b032f27cSSam Leffler 	/* no support; just discard */
1976b032f27cSSam Leffler 	m_freem(m);
1977b032f27cSSam Leffler 	ieee80211_free_node(ni);
1978b032f27cSSam Leffler 	return 0;
1979b032f27cSSam Leffler }
1980b032f27cSSam Leffler 
1981ceaec73dSDamien Bergamini static void
1982b032f27cSSam Leffler iwi_start_locked(struct ifnet *ifp)
1983ceaec73dSDamien Bergamini {
1984ceaec73dSDamien Bergamini 	struct iwi_softc *sc = ifp->if_softc;
1985b032f27cSSam Leffler 	struct mbuf *m;
1986ceaec73dSDamien Bergamini 	struct ieee80211_node *ni;
19870b74a285SDamien Bergamini 	int ac;
1988ceaec73dSDamien Bergamini 
1989b032f27cSSam Leffler 	IWI_LOCK_ASSERT(sc);
1990ceaec73dSDamien Bergamini 
1991b032f27cSSam Leffler 	if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
1992ceaec73dSDamien Bergamini 		return;
1993ceaec73dSDamien Bergamini 
1994ceaec73dSDamien Bergamini 	for (;;) {
1995b032f27cSSam Leffler 		IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1996b032f27cSSam Leffler 		if (m == NULL)
1997ceaec73dSDamien Bergamini 			break;
1998b032f27cSSam Leffler 		ac = M_WME_GETAC(m);
19990b74a285SDamien Bergamini 		if (sc->txq[ac].queued > IWI_TX_RING_COUNT - 8) {
2000b032f27cSSam Leffler 			/* there is no place left in this ring; tail drop */
2001b032f27cSSam Leffler 			/* XXX tail drop */
2002b032f27cSSam Leffler 			IFQ_DRV_PREPEND(&ifp->if_snd, m);
20030b74a285SDamien Bergamini 			ifp->if_drv_flags |= IFF_DRV_OACTIVE;
20040b74a285SDamien Bergamini 			break;
20050b74a285SDamien Bergamini 		}
20060b74a285SDamien Bergamini 
2007b032f27cSSam Leffler 		ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
2008b032f27cSSam Leffler 		if (iwi_tx_start(ifp, m, ni, ac) != 0) {
2009ceaec73dSDamien Bergamini 			ieee80211_free_node(ni);
2010ceaec73dSDamien Bergamini 			ifp->if_oerrors++;
2011ceaec73dSDamien Bergamini 			break;
2012ceaec73dSDamien Bergamini 		}
2013ceaec73dSDamien Bergamini 
2014ceaec73dSDamien Bergamini 		sc->sc_tx_timer = 5;
2015b032f27cSSam Leffler 	}
2016ceaec73dSDamien Bergamini }
2017ceaec73dSDamien Bergamini 
2018b032f27cSSam Leffler static void
2019b032f27cSSam Leffler iwi_start(struct ifnet *ifp)
2020b032f27cSSam Leffler {
2021b032f27cSSam Leffler 	struct iwi_softc *sc = ifp->if_softc;
2022b032f27cSSam Leffler 	IWI_LOCK_DECL;
2023b032f27cSSam Leffler 
2024b032f27cSSam Leffler 	IWI_LOCK(sc);
2025b032f27cSSam Leffler 	iwi_start_locked(ifp);
2026c10b1400SMax Laier 	IWI_UNLOCK(sc);
2027ceaec73dSDamien Bergamini }
2028ceaec73dSDamien Bergamini 
2029ceaec73dSDamien Bergamini static void
203068e8e04eSSam Leffler iwi_watchdog(void *arg)
2031ceaec73dSDamien Bergamini {
203268e8e04eSSam Leffler 	struct iwi_softc *sc = arg;
203368e8e04eSSam Leffler 	struct ifnet *ifp = sc->sc_ifp;
20345efea30fSAndrew Thompson 	struct ieee80211com *ic = ifp->if_l2com;
2035ceaec73dSDamien Bergamini 
203668e8e04eSSam Leffler 	IWI_LOCK_ASSERT(sc);
2037ceaec73dSDamien Bergamini 
2038ceaec73dSDamien Bergamini 	if (sc->sc_tx_timer > 0) {
2039ceaec73dSDamien Bergamini 		if (--sc->sc_tx_timer == 0) {
2040ceaec73dSDamien Bergamini 			if_printf(ifp, "device timeout\n");
2041ceaec73dSDamien Bergamini 			ifp->if_oerrors++;
20425efea30fSAndrew Thompson 			ieee80211_runtask(ic, &sc->sc_restarttask);
2043ceaec73dSDamien Bergamini 		}
2044c10b1400SMax Laier 	}
204568e8e04eSSam Leffler 	if (sc->sc_state_timer > 0) {
204668e8e04eSSam Leffler 		if (--sc->sc_state_timer == 0) {
204768e8e04eSSam Leffler 			if_printf(ifp, "firmware stuck in state %d, resetting\n",
204868e8e04eSSam Leffler 			    sc->fw_state);
2049b032f27cSSam Leffler 			if (sc->fw_state == IWI_FW_SCANNING) {
2050b032f27cSSam Leffler 				struct ieee80211com *ic = ifp->if_l2com;
2051b032f27cSSam Leffler 				ieee80211_cancel_scan(TAILQ_FIRST(&ic->ic_vaps));
2052b032f27cSSam Leffler 			}
20535efea30fSAndrew Thompson 			ieee80211_runtask(ic, &sc->sc_restarttask);
205468e8e04eSSam Leffler 			sc->sc_state_timer = 3;
205568e8e04eSSam Leffler 		}
205668e8e04eSSam Leffler 	}
205768e8e04eSSam Leffler 	if (sc->sc_busy_timer > 0) {
205868e8e04eSSam Leffler 		if (--sc->sc_busy_timer == 0) {
205968e8e04eSSam Leffler 			if_printf(ifp, "firmware command timeout, resetting\n");
20605efea30fSAndrew Thompson 			ieee80211_runtask(ic, &sc->sc_restarttask);
2061c10b1400SMax Laier 		}
2062c10b1400SMax Laier 	}
206368e8e04eSSam Leffler 	callout_reset(&sc->sc_wdtimer, hz, iwi_watchdog, sc);
2064ceaec73dSDamien Bergamini }
2065ceaec73dSDamien Bergamini 
2066ceaec73dSDamien Bergamini static int
2067ceaec73dSDamien Bergamini iwi_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
2068ceaec73dSDamien Bergamini {
2069ceaec73dSDamien Bergamini 	struct iwi_softc *sc = ifp->if_softc;
2070b032f27cSSam Leffler 	struct ieee80211com *ic = ifp->if_l2com;
2071b032f27cSSam Leffler 	struct ifreq *ifr = (struct ifreq *) data;
2072b032f27cSSam Leffler 	int error = 0, startall = 0;
2073c10b1400SMax Laier 	IWI_LOCK_DECL;
2074ceaec73dSDamien Bergamini 
2075ceaec73dSDamien Bergamini 	switch (cmd) {
2076ceaec73dSDamien Bergamini 	case SIOCSIFFLAGS:
207731a8c1edSAndrew Thompson 		IWI_LOCK(sc);
2078ceaec73dSDamien Bergamini 		if (ifp->if_flags & IFF_UP) {
2079b032f27cSSam Leffler 			if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
2080b032f27cSSam Leffler 				iwi_init_locked(sc);
2081b032f27cSSam Leffler 				startall = 1;
2082b032f27cSSam Leffler 			}
2083ceaec73dSDamien Bergamini 		} else {
208413f4c340SRobert Watson 			if (ifp->if_drv_flags & IFF_DRV_RUNNING)
2085b032f27cSSam Leffler 				iwi_stop_locked(sc);
2086ceaec73dSDamien Bergamini 		}
2087c10b1400SMax Laier 		IWI_UNLOCK(sc);
2088b032f27cSSam Leffler 		if (startall)
2089b032f27cSSam Leffler 			ieee80211_start_all(ic);
209031a8c1edSAndrew Thompson 		break;
209131a8c1edSAndrew Thompson 	case SIOCGIFMEDIA:
209231a8c1edSAndrew Thompson 		error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
209331a8c1edSAndrew Thompson 		break;
209431a8c1edSAndrew Thompson 	case SIOCGIFADDR:
209531a8c1edSAndrew Thompson 		error = ether_ioctl(ifp, cmd, data);
209631a8c1edSAndrew Thompson 		break;
2097*4982d693SAdrian Chadd 	case SIOCGIWISTATS:
2098*4982d693SAdrian Chadd 		IWI_LOCK(sc);
2099*4982d693SAdrian Chadd 		/* XXX validate permissions/memory/etc? */
2100*4982d693SAdrian Chadd 		error = copyout(&sc->sc_linkqual, ifr->ifr_data,
2101*4982d693SAdrian Chadd 		    sizeof(struct iwi_notif_link_quality));
2102*4982d693SAdrian Chadd 		IWI_UNLOCK(sc);
2103*4982d693SAdrian Chadd 		break;
2104*4982d693SAdrian Chadd 	case SIOCZIWISTATS:
2105*4982d693SAdrian Chadd 		IWI_LOCK(sc);
2106*4982d693SAdrian Chadd 		memset(&sc->sc_linkqual, 0,
2107*4982d693SAdrian Chadd 		    sizeof(struct iwi_notif_link_quality));
2108*4982d693SAdrian Chadd 		IWI_UNLOCK(sc);
2109*4982d693SAdrian Chadd 		error = 0;
2110*4982d693SAdrian Chadd 		break;
211131a8c1edSAndrew Thompson 	default:
211231a8c1edSAndrew Thompson 		error = EINVAL;
211331a8c1edSAndrew Thompson 		break;
211431a8c1edSAndrew Thompson 	}
2115ceaec73dSDamien Bergamini 		return error;
2116ceaec73dSDamien Bergamini }
2117ceaec73dSDamien Bergamini 
2118ceaec73dSDamien Bergamini static void
2119ceaec73dSDamien Bergamini iwi_stop_master(struct iwi_softc *sc)
2120ceaec73dSDamien Bergamini {
2121ceaec73dSDamien Bergamini 	uint32_t tmp;
2122ceaec73dSDamien Bergamini 	int ntries;
2123ceaec73dSDamien Bergamini 
2124ceaec73dSDamien Bergamini 	/* disable interrupts */
2125ceaec73dSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_INTR_MASK, 0);
2126ceaec73dSDamien Bergamini 
2127ceaec73dSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_RST, IWI_RST_STOP_MASTER);
2128ceaec73dSDamien Bergamini 	for (ntries = 0; ntries < 5; ntries++) {
2129ceaec73dSDamien Bergamini 		if (CSR_READ_4(sc, IWI_CSR_RST) & IWI_RST_MASTER_DISABLED)
2130ceaec73dSDamien Bergamini 			break;
2131ceaec73dSDamien Bergamini 		DELAY(10);
2132ceaec73dSDamien Bergamini 	}
2133ceaec73dSDamien Bergamini 	if (ntries == 5)
2134ceaec73dSDamien Bergamini 		device_printf(sc->sc_dev, "timeout waiting for master\n");
2135ceaec73dSDamien Bergamini 
2136ceaec73dSDamien Bergamini 	tmp = CSR_READ_4(sc, IWI_CSR_RST);
2137ceaec73dSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_RST, tmp | IWI_RST_PRINCETON_RESET);
2138ceaec73dSDamien Bergamini 
2139ceaec73dSDamien Bergamini 	sc->flags &= ~IWI_FLAG_FW_INITED;
2140ceaec73dSDamien Bergamini }
2141ceaec73dSDamien Bergamini 
2142ceaec73dSDamien Bergamini static int
2143ceaec73dSDamien Bergamini iwi_reset(struct iwi_softc *sc)
2144ceaec73dSDamien Bergamini {
2145ceaec73dSDamien Bergamini 	uint32_t tmp;
2146ceaec73dSDamien Bergamini 	int i, ntries;
2147ceaec73dSDamien Bergamini 
2148ceaec73dSDamien Bergamini 	iwi_stop_master(sc);
2149ceaec73dSDamien Bergamini 
2150ceaec73dSDamien Bergamini 	tmp = CSR_READ_4(sc, IWI_CSR_CTL);
2151ceaec73dSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_CTL, tmp | IWI_CTL_INIT);
2152ceaec73dSDamien Bergamini 
2153ceaec73dSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_READ_INT, IWI_READ_INT_INIT_HOST);
2154ceaec73dSDamien Bergamini 
2155ceaec73dSDamien Bergamini 	/* wait for clock stabilization */
2156ceaec73dSDamien Bergamini 	for (ntries = 0; ntries < 1000; ntries++) {
2157ceaec73dSDamien Bergamini 		if (CSR_READ_4(sc, IWI_CSR_CTL) & IWI_CTL_CLOCK_READY)
2158ceaec73dSDamien Bergamini 			break;
2159ceaec73dSDamien Bergamini 		DELAY(200);
2160ceaec73dSDamien Bergamini 	}
2161ceaec73dSDamien Bergamini 	if (ntries == 1000) {
2162ceaec73dSDamien Bergamini 		device_printf(sc->sc_dev,
2163ceaec73dSDamien Bergamini 		    "timeout waiting for clock stabilization\n");
2164ceaec73dSDamien Bergamini 		return EIO;
2165ceaec73dSDamien Bergamini 	}
2166ceaec73dSDamien Bergamini 
2167ceaec73dSDamien Bergamini 	tmp = CSR_READ_4(sc, IWI_CSR_RST);
2168ceaec73dSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_RST, tmp | IWI_RST_SOFT_RESET);
2169ceaec73dSDamien Bergamini 
2170ceaec73dSDamien Bergamini 	DELAY(10);
2171ceaec73dSDamien Bergamini 
2172ceaec73dSDamien Bergamini 	tmp = CSR_READ_4(sc, IWI_CSR_CTL);
2173ceaec73dSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_CTL, tmp | IWI_CTL_INIT);
2174ceaec73dSDamien Bergamini 
2175ceaec73dSDamien Bergamini 	/* clear NIC memory */
2176ceaec73dSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_AUTOINC_ADDR, 0);
2177ceaec73dSDamien Bergamini 	for (i = 0; i < 0xc000; i++)
2178ceaec73dSDamien Bergamini 		CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, 0);
2179ceaec73dSDamien Bergamini 
2180ceaec73dSDamien Bergamini 	return 0;
2181ceaec73dSDamien Bergamini }
2182ceaec73dSDamien Bergamini 
2183c10b1400SMax Laier static const struct iwi_firmware_ohdr *
2184c10b1400SMax Laier iwi_setup_ofw(struct iwi_softc *sc, struct iwi_fw *fw)
2185ceaec73dSDamien Bergamini {
218633d54970SLuigi Rizzo 	const struct firmware *fp = fw->fp;
2187c10b1400SMax Laier 	const struct iwi_firmware_ohdr *hdr;
2188ceaec73dSDamien Bergamini 
2189c10b1400SMax Laier 	if (fp->datasize < sizeof (struct iwi_firmware_ohdr)) {
2190c10b1400SMax Laier 		device_printf(sc->sc_dev, "image '%s' too small\n", fp->name);
2191c10b1400SMax Laier 		return NULL;
2192c10b1400SMax Laier 	}
2193c10b1400SMax Laier 	hdr = (const struct iwi_firmware_ohdr *)fp->data;
2194c10b1400SMax Laier 	if ((IWI_FW_GET_MAJOR(le32toh(hdr->version)) != IWI_FW_REQ_MAJOR) ||
2195c10b1400SMax Laier 	    (IWI_FW_GET_MINOR(le32toh(hdr->version)) != IWI_FW_REQ_MINOR)) {
2196c10b1400SMax Laier 		device_printf(sc->sc_dev, "version for '%s' %d.%d != %d.%d\n",
2197c10b1400SMax Laier 		    fp->name, IWI_FW_GET_MAJOR(le32toh(hdr->version)),
2198c10b1400SMax Laier 		    IWI_FW_GET_MINOR(le32toh(hdr->version)), IWI_FW_REQ_MAJOR,
2199c10b1400SMax Laier 		    IWI_FW_REQ_MINOR);
2200c10b1400SMax Laier 		return NULL;
2201c10b1400SMax Laier 	}
2202c10b1400SMax Laier 	fw->data = ((const char *) fp->data) + sizeof(struct iwi_firmware_ohdr);
2203c10b1400SMax Laier 	fw->size = fp->datasize - sizeof(struct iwi_firmware_ohdr);
2204c10b1400SMax Laier 	fw->name = fp->name;
2205c10b1400SMax Laier 	return hdr;
2206c10b1400SMax Laier }
2207c10b1400SMax Laier 
2208c10b1400SMax Laier static const struct iwi_firmware_ohdr *
2209c10b1400SMax Laier iwi_setup_oucode(struct iwi_softc *sc, struct iwi_fw *fw)
2210c10b1400SMax Laier {
2211c10b1400SMax Laier 	const struct iwi_firmware_ohdr *hdr;
2212c10b1400SMax Laier 
2213c10b1400SMax Laier 	hdr = iwi_setup_ofw(sc, fw);
2214c10b1400SMax Laier 	if (hdr != NULL && le32toh(hdr->mode) != IWI_FW_MODE_UCODE) {
2215c10b1400SMax Laier 		device_printf(sc->sc_dev, "%s is not a ucode image\n",
2216c10b1400SMax Laier 		    fw->name);
2217c10b1400SMax Laier 		hdr = NULL;
2218c10b1400SMax Laier 	}
2219c10b1400SMax Laier 	return hdr;
2220c10b1400SMax Laier }
2221c10b1400SMax Laier 
2222c10b1400SMax Laier static void
2223c10b1400SMax Laier iwi_getfw(struct iwi_fw *fw, const char *fwname,
2224c10b1400SMax Laier 	  struct iwi_fw *uc, const char *ucname)
2225c10b1400SMax Laier {
2226c10b1400SMax Laier 	if (fw->fp == NULL)
2227c10b1400SMax Laier 		fw->fp = firmware_get(fwname);
2228c10b1400SMax Laier 	/* NB: pre-3.0 ucode is packaged separately */
2229c10b1400SMax Laier 	if (uc->fp == NULL && fw->fp != NULL && fw->fp->version < 300)
2230c10b1400SMax Laier 		uc->fp = firmware_get(ucname);
2231c10b1400SMax Laier }
2232c10b1400SMax Laier 
2233c10b1400SMax Laier /*
2234c10b1400SMax Laier  * Get the required firmware images if not already loaded.
2235c10b1400SMax Laier  * Note that we hold firmware images so long as the device
2236c10b1400SMax Laier  * is marked up in case we need to reload them on device init.
2237c10b1400SMax Laier  * This is necessary because we re-init the device sometimes
2238c10b1400SMax Laier  * from a context where we cannot read from the filesystem
2239c10b1400SMax Laier  * (e.g. from the taskqueue thread when rfkill is re-enabled).
2240484f6530SLuigi Rizzo  * XXX return 0 on success, 1 on error.
2241c10b1400SMax Laier  *
2242c10b1400SMax Laier  * NB: the order of get'ing and put'ing images here is
2243c10b1400SMax Laier  * intentional to support handling firmware images bundled
2244c10b1400SMax Laier  * by operating mode and/or all together in one file with
2245c10b1400SMax Laier  * the boot firmware as "master".
2246c10b1400SMax Laier  */
2247c10b1400SMax Laier static int
2248b032f27cSSam Leffler iwi_get_firmware(struct iwi_softc *sc, enum ieee80211_opmode opmode)
2249c10b1400SMax Laier {
2250c10b1400SMax Laier 	const struct iwi_firmware_hdr *hdr;
225133d54970SLuigi Rizzo 	const struct firmware *fp;
2252c10b1400SMax Laier 
2253c10b1400SMax Laier 	/* invalidate cached firmware on mode change */
2254b032f27cSSam Leffler 	if (sc->fw_mode != opmode)
2255c10b1400SMax Laier 		iwi_put_firmware(sc);
2256c10b1400SMax Laier 
2257b032f27cSSam Leffler 	switch (opmode) {
2258c10b1400SMax Laier 	case IEEE80211_M_STA:
2259c10b1400SMax Laier 		iwi_getfw(&sc->fw_fw, "iwi_bss", &sc->fw_uc, "iwi_ucode_bss");
2260c10b1400SMax Laier 		break;
2261c10b1400SMax Laier 	case IEEE80211_M_IBSS:
2262c10b1400SMax Laier 		iwi_getfw(&sc->fw_fw, "iwi_ibss", &sc->fw_uc, "iwi_ucode_ibss");
2263c10b1400SMax Laier 		break;
2264c10b1400SMax Laier 	case IEEE80211_M_MONITOR:
2265c10b1400SMax Laier 		iwi_getfw(&sc->fw_fw, "iwi_monitor",
2266c10b1400SMax Laier 			  &sc->fw_uc, "iwi_ucode_monitor");
2267c10b1400SMax Laier 		break;
2268c10b1400SMax Laier 	default:
2269820e6a1fSRui Paulo 		device_printf(sc->sc_dev, "unknown opmode %d\n", opmode);
2270820e6a1fSRui Paulo 		return EINVAL;
2271c10b1400SMax Laier 	}
2272c10b1400SMax Laier 	fp = sc->fw_fw.fp;
2273c10b1400SMax Laier 	if (fp == NULL) {
2274c10b1400SMax Laier 		device_printf(sc->sc_dev, "could not load firmware\n");
2275c10b1400SMax Laier 		goto bad;
2276c10b1400SMax Laier 	}
2277c10b1400SMax Laier 	if (fp->version < 300) {
2278c10b1400SMax Laier 		/*
2279c10b1400SMax Laier 		 * Firmware prior to 3.0 was packaged as separate
2280c10b1400SMax Laier 		 * boot, firmware, and ucode images.  Verify the
2281c10b1400SMax Laier 		 * ucode image was read in, retrieve the boot image
2282c10b1400SMax Laier 		 * if needed, and check version stamps for consistency.
2283c10b1400SMax Laier 		 * The version stamps in the data are also checked
2284c10b1400SMax Laier 		 * above; this is a bit paranoid but is a cheap
2285c10b1400SMax Laier 		 * safeguard against mis-packaging.
2286c10b1400SMax Laier 		 */
2287c10b1400SMax Laier 		if (sc->fw_uc.fp == NULL) {
2288c10b1400SMax Laier 			device_printf(sc->sc_dev, "could not load ucode\n");
2289c10b1400SMax Laier 			goto bad;
2290c10b1400SMax Laier 		}
2291c10b1400SMax Laier 		if (sc->fw_boot.fp == NULL) {
2292c10b1400SMax Laier 			sc->fw_boot.fp = firmware_get("iwi_boot");
2293c10b1400SMax Laier 			if (sc->fw_boot.fp == NULL) {
2294c10b1400SMax Laier 				device_printf(sc->sc_dev,
2295c10b1400SMax Laier 					"could not load boot firmware\n");
2296c10b1400SMax Laier 				goto bad;
2297c10b1400SMax Laier 			}
2298c10b1400SMax Laier 		}
2299c10b1400SMax Laier 		if (sc->fw_boot.fp->version != sc->fw_fw.fp->version ||
2300c10b1400SMax Laier 		    sc->fw_boot.fp->version != sc->fw_uc.fp->version) {
2301c10b1400SMax Laier 			device_printf(sc->sc_dev,
2302c10b1400SMax Laier 			    "firmware version mismatch: "
2303c10b1400SMax Laier 			    "'%s' is %d, '%s' is %d, '%s' is %d\n",
2304c10b1400SMax Laier 			    sc->fw_boot.fp->name, sc->fw_boot.fp->version,
2305c10b1400SMax Laier 			    sc->fw_uc.fp->name, sc->fw_uc.fp->version,
2306c10b1400SMax Laier 			    sc->fw_fw.fp->name, sc->fw_fw.fp->version
2307c10b1400SMax Laier 			);
2308c10b1400SMax Laier 			goto bad;
2309c10b1400SMax Laier 		}
2310c10b1400SMax Laier 		/*
2311c10b1400SMax Laier 		 * Check and setup each image.
2312c10b1400SMax Laier 		 */
2313c10b1400SMax Laier 		if (iwi_setup_oucode(sc, &sc->fw_uc) == NULL ||
2314c10b1400SMax Laier 		    iwi_setup_ofw(sc, &sc->fw_boot) == NULL ||
2315c10b1400SMax Laier 		    iwi_setup_ofw(sc, &sc->fw_fw) == NULL)
2316c10b1400SMax Laier 			goto bad;
2317c10b1400SMax Laier 	} else {
2318c10b1400SMax Laier 		/*
2319c10b1400SMax Laier 		 * Check and setup combined image.
2320c10b1400SMax Laier 		 */
2321484f6530SLuigi Rizzo 		if (fp->datasize < sizeof(struct iwi_firmware_hdr)) {
2322c10b1400SMax Laier 			device_printf(sc->sc_dev, "image '%s' too small\n",
2323c10b1400SMax Laier 			    fp->name);
2324c10b1400SMax Laier 			goto bad;
2325c10b1400SMax Laier 		}
2326c10b1400SMax Laier 		hdr = (const struct iwi_firmware_hdr *)fp->data;
2327484f6530SLuigi Rizzo 		if (fp->datasize < sizeof(*hdr) + le32toh(hdr->bsize) + le32toh(hdr->usize)
2328484f6530SLuigi Rizzo 				+ le32toh(hdr->fsize)) {
2329c10b1400SMax Laier 			device_printf(sc->sc_dev, "image '%s' too small (2)\n",
2330c10b1400SMax Laier 			    fp->name);
2331c10b1400SMax Laier 			goto bad;
2332c10b1400SMax Laier 		}
2333c10b1400SMax Laier 		sc->fw_boot.data = ((const char *) fp->data) + sizeof(*hdr);
2334484f6530SLuigi Rizzo 		sc->fw_boot.size = le32toh(hdr->bsize);
2335c10b1400SMax Laier 		sc->fw_boot.name = fp->name;
2336c10b1400SMax Laier 		sc->fw_uc.data = sc->fw_boot.data + sc->fw_boot.size;
2337484f6530SLuigi Rizzo 		sc->fw_uc.size = le32toh(hdr->usize);
2338c10b1400SMax Laier 		sc->fw_uc.name = fp->name;
2339c10b1400SMax Laier 		sc->fw_fw.data = sc->fw_uc.data + sc->fw_uc.size;
2340484f6530SLuigi Rizzo 		sc->fw_fw.size = le32toh(hdr->fsize);
2341c10b1400SMax Laier 		sc->fw_fw.name = fp->name;
2342c10b1400SMax Laier 	}
2343484f6530SLuigi Rizzo #if 0
2344484f6530SLuigi Rizzo 	device_printf(sc->sc_dev, "boot %d ucode %d fw %d bytes\n",
2345484f6530SLuigi Rizzo 		sc->fw_boot.size, sc->fw_uc.size, sc->fw_fw.size);
2346484f6530SLuigi Rizzo #endif
2347c10b1400SMax Laier 
2348b032f27cSSam Leffler 	sc->fw_mode = opmode;
2349484f6530SLuigi Rizzo 	return 0;
2350c10b1400SMax Laier bad:
2351c10b1400SMax Laier 	iwi_put_firmware(sc);
2352484f6530SLuigi Rizzo 	return 1;
2353c10b1400SMax Laier }
2354c10b1400SMax Laier 
2355c10b1400SMax Laier static void
2356c10b1400SMax Laier iwi_put_fw(struct iwi_fw *fw)
2357c10b1400SMax Laier {
2358c10b1400SMax Laier 	if (fw->fp != NULL) {
2359c10b1400SMax Laier 		firmware_put(fw->fp, FIRMWARE_UNLOAD);
2360c10b1400SMax Laier 		fw->fp = NULL;
2361c10b1400SMax Laier 	}
2362c10b1400SMax Laier 	fw->data = NULL;
2363c10b1400SMax Laier 	fw->size = 0;
2364c10b1400SMax Laier 	fw->name = NULL;
2365c10b1400SMax Laier }
2366c10b1400SMax Laier 
2367c10b1400SMax Laier /*
2368c10b1400SMax Laier  * Release any cached firmware images.
2369c10b1400SMax Laier  */
2370c10b1400SMax Laier static void
2371c10b1400SMax Laier iwi_put_firmware(struct iwi_softc *sc)
2372c10b1400SMax Laier {
2373c10b1400SMax Laier 	iwi_put_fw(&sc->fw_uc);
2374c10b1400SMax Laier 	iwi_put_fw(&sc->fw_fw);
2375c10b1400SMax Laier 	iwi_put_fw(&sc->fw_boot);
2376c10b1400SMax Laier }
2377c10b1400SMax Laier 
2378c10b1400SMax Laier static int
2379c10b1400SMax Laier iwi_load_ucode(struct iwi_softc *sc, const struct iwi_fw *fw)
2380c10b1400SMax Laier {
2381c10b1400SMax Laier 	uint32_t tmp;
2382c10b1400SMax Laier 	const uint16_t *w;
2383c10b1400SMax Laier 	const char *uc = fw->data;
2384c10b1400SMax Laier 	size_t size = fw->size;
2385c10b1400SMax Laier 	int i, ntries, error;
2386c10b1400SMax Laier 
238768e8e04eSSam Leffler 	IWI_LOCK_ASSERT(sc);
2388c10b1400SMax Laier 	error = 0;
2389ceaec73dSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_RST, CSR_READ_4(sc, IWI_CSR_RST) |
2390ceaec73dSDamien Bergamini 	    IWI_RST_STOP_MASTER);
2391ceaec73dSDamien Bergamini 	for (ntries = 0; ntries < 5; ntries++) {
2392ceaec73dSDamien Bergamini 		if (CSR_READ_4(sc, IWI_CSR_RST) & IWI_RST_MASTER_DISABLED)
2393ceaec73dSDamien Bergamini 			break;
2394ceaec73dSDamien Bergamini 		DELAY(10);
2395ceaec73dSDamien Bergamini 	}
2396ceaec73dSDamien Bergamini 	if (ntries == 5) {
2397ceaec73dSDamien Bergamini 		device_printf(sc->sc_dev, "timeout waiting for master\n");
2398c10b1400SMax Laier 		error = EIO;
2399c10b1400SMax Laier 		goto fail;
2400ceaec73dSDamien Bergamini 	}
2401ceaec73dSDamien Bergamini 
2402ceaec73dSDamien Bergamini 	MEM_WRITE_4(sc, 0x3000e0, 0x80000000);
2403ceaec73dSDamien Bergamini 	DELAY(5000);
2404ceaec73dSDamien Bergamini 
2405ceaec73dSDamien Bergamini 	tmp = CSR_READ_4(sc, IWI_CSR_RST);
2406ceaec73dSDamien Bergamini 	tmp &= ~IWI_RST_PRINCETON_RESET;
2407ceaec73dSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_RST, tmp);
2408ceaec73dSDamien Bergamini 
2409ceaec73dSDamien Bergamini 	DELAY(5000);
2410ceaec73dSDamien Bergamini 	MEM_WRITE_4(sc, 0x3000e0, 0);
2411ceaec73dSDamien Bergamini 	DELAY(1000);
2412c10b1400SMax Laier 	MEM_WRITE_4(sc, IWI_MEM_EEPROM_EVENT, 1);
2413ceaec73dSDamien Bergamini 	DELAY(1000);
2414c10b1400SMax Laier 	MEM_WRITE_4(sc, IWI_MEM_EEPROM_EVENT, 0);
2415ceaec73dSDamien Bergamini 	DELAY(1000);
2416ceaec73dSDamien Bergamini 	MEM_WRITE_1(sc, 0x200000, 0x00);
2417ceaec73dSDamien Bergamini 	MEM_WRITE_1(sc, 0x200000, 0x40);
2418ceaec73dSDamien Bergamini 	DELAY(1000);
2419ceaec73dSDamien Bergamini 
2420ceaec73dSDamien Bergamini 	/* write microcode into adapter memory */
2421c10b1400SMax Laier 	for (w = (const uint16_t *)uc; size > 0; w++, size -= 2)
242281e6343cSDamien Bergamini 		MEM_WRITE_2(sc, 0x200010, htole16(*w));
2423ceaec73dSDamien Bergamini 
2424ceaec73dSDamien Bergamini 	MEM_WRITE_1(sc, 0x200000, 0x00);
2425ceaec73dSDamien Bergamini 	MEM_WRITE_1(sc, 0x200000, 0x80);
2426ceaec73dSDamien Bergamini 
2427ceaec73dSDamien Bergamini 	/* wait until we get an answer */
2428ceaec73dSDamien Bergamini 	for (ntries = 0; ntries < 100; ntries++) {
2429ceaec73dSDamien Bergamini 		if (MEM_READ_1(sc, 0x200000) & 1)
2430ceaec73dSDamien Bergamini 			break;
2431ceaec73dSDamien Bergamini 		DELAY(100);
2432ceaec73dSDamien Bergamini 	}
2433ceaec73dSDamien Bergamini 	if (ntries == 100) {
2434ceaec73dSDamien Bergamini 		device_printf(sc->sc_dev,
2435ceaec73dSDamien Bergamini 		    "timeout waiting for ucode to initialize\n");
2436c10b1400SMax Laier 		error = EIO;
2437c10b1400SMax Laier 		goto fail;
2438ceaec73dSDamien Bergamini 	}
2439ceaec73dSDamien Bergamini 
2440ceaec73dSDamien Bergamini 	/* read the answer or the firmware will not initialize properly */
2441ceaec73dSDamien Bergamini 	for (i = 0; i < 7; i++)
2442ceaec73dSDamien Bergamini 		MEM_READ_4(sc, 0x200004);
2443ceaec73dSDamien Bergamini 
2444ceaec73dSDamien Bergamini 	MEM_WRITE_1(sc, 0x200000, 0x00);
2445ceaec73dSDamien Bergamini 
2446c10b1400SMax Laier fail:
2447c10b1400SMax Laier 	return error;
2448ceaec73dSDamien Bergamini }
2449ceaec73dSDamien Bergamini 
2450ceaec73dSDamien Bergamini /* macro to handle unaligned little endian data in firmware image */
2451ceaec73dSDamien Bergamini #define GETLE32(p) ((p)[0] | (p)[1] << 8 | (p)[2] << 16 | (p)[3] << 24)
2452ceaec73dSDamien Bergamini 
2453ceaec73dSDamien Bergamini static int
2454c10b1400SMax Laier iwi_load_firmware(struct iwi_softc *sc, const struct iwi_fw *fw)
2455ceaec73dSDamien Bergamini {
2456ceaec73dSDamien Bergamini 	u_char *p, *end;
2457ceaec73dSDamien Bergamini 	uint32_t sentinel, ctl, src, dst, sum, len, mlen, tmp;
2458e1000b36SScott Long 	int ntries, error;
2459408146edSDamien Bergamini 
246068e8e04eSSam Leffler 	IWI_LOCK_ASSERT(sc);
2461b032f27cSSam Leffler 
2462ceaec73dSDamien Bergamini 	/* copy firmware image to DMA memory */
2463c10b1400SMax Laier 	memcpy(sc->fw_virtaddr, fw->data, fw->size);
2464ceaec73dSDamien Bergamini 
2465ceaec73dSDamien Bergamini 	/* make sure the adapter will get up-to-date values */
2466c10b1400SMax Laier 	bus_dmamap_sync(sc->fw_dmat, sc->fw_map, BUS_DMASYNC_PREWRITE);
2467c56adf0aSDamien Bergamini 
2468ceaec73dSDamien Bergamini 	/* tell the adapter where the command blocks are stored */
2469ceaec73dSDamien Bergamini 	MEM_WRITE_4(sc, 0x3000a0, 0x27000);
2470ceaec73dSDamien Bergamini 
2471ceaec73dSDamien Bergamini 	/*
2472ceaec73dSDamien Bergamini 	 * Store command blocks into adapter's internal memory using register
2473ceaec73dSDamien Bergamini 	 * indirections. The adapter will read the firmware image through DMA
2474ceaec73dSDamien Bergamini 	 * using information stored in command blocks.
2475ceaec73dSDamien Bergamini 	 */
2476c10b1400SMax Laier 	src = sc->fw_physaddr;
2477c10b1400SMax Laier 	p = sc->fw_virtaddr;
2478c10b1400SMax Laier 	end = p + fw->size;
2479ceaec73dSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_AUTOINC_ADDR, 0x27000);
2480ceaec73dSDamien Bergamini 
2481ceaec73dSDamien Bergamini 	while (p < end) {
2482ceaec73dSDamien Bergamini 		dst = GETLE32(p); p += 4; src += 4;
2483ceaec73dSDamien Bergamini 		len = GETLE32(p); p += 4; src += 4;
2484ceaec73dSDamien Bergamini 		p += len;
2485ceaec73dSDamien Bergamini 
2486ceaec73dSDamien Bergamini 		while (len > 0) {
2487ceaec73dSDamien Bergamini 			mlen = min(len, IWI_CB_MAXDATALEN);
2488ceaec73dSDamien Bergamini 
2489ceaec73dSDamien Bergamini 			ctl = IWI_CB_DEFAULT_CTL | mlen;
2490ceaec73dSDamien Bergamini 			sum = ctl ^ src ^ dst;
2491ceaec73dSDamien Bergamini 
2492ceaec73dSDamien Bergamini 			/* write a command block */
2493ceaec73dSDamien Bergamini 			CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, ctl);
2494ceaec73dSDamien Bergamini 			CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, src);
2495ceaec73dSDamien Bergamini 			CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, dst);
2496ceaec73dSDamien Bergamini 			CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, sum);
2497ceaec73dSDamien Bergamini 
2498ceaec73dSDamien Bergamini 			src += mlen;
2499ceaec73dSDamien Bergamini 			dst += mlen;
2500ceaec73dSDamien Bergamini 			len -= mlen;
2501ceaec73dSDamien Bergamini 		}
2502ceaec73dSDamien Bergamini 	}
2503ceaec73dSDamien Bergamini 
2504ceaec73dSDamien Bergamini 	/* write a fictive final command block (sentinel) */
2505ceaec73dSDamien Bergamini 	sentinel = CSR_READ_4(sc, IWI_CSR_AUTOINC_ADDR);
2506ceaec73dSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, 0);
2507ceaec73dSDamien Bergamini 
2508ceaec73dSDamien Bergamini 	tmp = CSR_READ_4(sc, IWI_CSR_RST);
2509ceaec73dSDamien Bergamini 	tmp &= ~(IWI_RST_MASTER_DISABLED | IWI_RST_STOP_MASTER);
2510ceaec73dSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_RST, tmp);
2511ceaec73dSDamien Bergamini 
2512ceaec73dSDamien Bergamini 	/* tell the adapter to start processing command blocks */
2513ceaec73dSDamien Bergamini 	MEM_WRITE_4(sc, 0x3000a4, 0x540100);
2514ceaec73dSDamien Bergamini 
2515408146edSDamien Bergamini 	/* wait until the adapter reaches the sentinel */
2516ceaec73dSDamien Bergamini 	for (ntries = 0; ntries < 400; ntries++) {
2517ceaec73dSDamien Bergamini 		if (MEM_READ_4(sc, 0x3000d0) >= sentinel)
2518ceaec73dSDamien Bergamini 			break;
2519ceaec73dSDamien Bergamini 		DELAY(100);
2520ceaec73dSDamien Bergamini 	}
2521484f6530SLuigi Rizzo 	/* sync dma, just in case */
2522484f6530SLuigi Rizzo 	bus_dmamap_sync(sc->fw_dmat, sc->fw_map, BUS_DMASYNC_POSTWRITE);
2523ceaec73dSDamien Bergamini 	if (ntries == 400) {
2524ceaec73dSDamien Bergamini 		device_printf(sc->sc_dev,
2525c10b1400SMax Laier 		    "timeout processing command blocks for %s firmware\n",
2526c10b1400SMax Laier 		    fw->name);
2527484f6530SLuigi Rizzo 		return EIO;
2528ceaec73dSDamien Bergamini 	}
2529ceaec73dSDamien Bergamini 
2530ceaec73dSDamien Bergamini 	/* we're done with command blocks processing */
2531ceaec73dSDamien Bergamini 	MEM_WRITE_4(sc, 0x3000a4, 0x540c00);
2532ceaec73dSDamien Bergamini 
2533408146edSDamien Bergamini 	/* allow interrupts so we know when the firmware is ready */
2534ceaec73dSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_INTR_MASK, IWI_INTR_MASK);
2535ceaec73dSDamien Bergamini 
2536ceaec73dSDamien Bergamini 	/* tell the adapter to initialize the firmware */
2537ceaec73dSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_RST, 0);
2538ceaec73dSDamien Bergamini 
2539ceaec73dSDamien Bergamini 	tmp = CSR_READ_4(sc, IWI_CSR_CTL);
2540ceaec73dSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_CTL, tmp | IWI_CTL_ALLOW_STANDBY);
2541ceaec73dSDamien Bergamini 
2542ceaec73dSDamien Bergamini 	/* wait at most one second for firmware initialization to complete */
2543ceaec73dSDamien Bergamini 	if ((error = msleep(sc, &sc->sc_mtx, 0, "iwiinit", hz)) != 0) {
2544c10b1400SMax Laier 		device_printf(sc->sc_dev, "timeout waiting for %s firmware "
2545c10b1400SMax Laier 		    "initialization to complete\n", fw->name);
2546ceaec73dSDamien Bergamini 	}
2547ceaec73dSDamien Bergamini 
2548ceaec73dSDamien Bergamini 	return error;
2549ceaec73dSDamien Bergamini }
2550ceaec73dSDamien Bergamini 
2551ceaec73dSDamien Bergamini static int
2552b032f27cSSam Leffler iwi_setpowermode(struct iwi_softc *sc, struct ieee80211vap *vap)
2553c10b1400SMax Laier {
2554c10b1400SMax Laier 	uint32_t data;
2555c10b1400SMax Laier 
2556b032f27cSSam Leffler 	if (vap->iv_flags & IEEE80211_F_PMGTON) {
2557c10b1400SMax Laier 		/* XXX set more fine-grained operation */
2558c10b1400SMax Laier 		data = htole32(IWI_POWER_MODE_MAX);
2559c10b1400SMax Laier 	} else
2560c10b1400SMax Laier 		data = htole32(IWI_POWER_MODE_CAM);
2561c10b1400SMax Laier 
2562c10b1400SMax Laier 	DPRINTF(("Setting power mode to %u\n", le32toh(data)));
2563c10b1400SMax Laier 	return iwi_cmd(sc, IWI_CMD_SET_POWER_MODE, &data, sizeof data);
2564c10b1400SMax Laier }
2565c10b1400SMax Laier 
2566c10b1400SMax Laier static int
2567b032f27cSSam Leffler iwi_setwepkeys(struct iwi_softc *sc, struct ieee80211vap *vap)
2568c10b1400SMax Laier {
2569c10b1400SMax Laier 	struct iwi_wep_key wepkey;
2570c10b1400SMax Laier 	struct ieee80211_key *wk;
2571c10b1400SMax Laier 	int error, i;
2572c10b1400SMax Laier 
2573c10b1400SMax Laier 	for (i = 0; i < IEEE80211_WEP_NKID; i++) {
2574b032f27cSSam Leffler 		wk = &vap->iv_nw_keys[i];
2575c10b1400SMax Laier 
2576c10b1400SMax Laier 		wepkey.cmd = IWI_WEP_KEY_CMD_SETKEY;
2577c10b1400SMax Laier 		wepkey.idx = i;
2578c10b1400SMax Laier 		wepkey.len = wk->wk_keylen;
2579c10b1400SMax Laier 		memset(wepkey.key, 0, sizeof wepkey.key);
2580c10b1400SMax Laier 		memcpy(wepkey.key, wk->wk_key, wk->wk_keylen);
2581c10b1400SMax Laier 		DPRINTF(("Setting wep key index %u len %u\n", wepkey.idx,
2582c10b1400SMax Laier 		    wepkey.len));
2583c10b1400SMax Laier 		error = iwi_cmd(sc, IWI_CMD_SET_WEP_KEY, &wepkey,
2584c10b1400SMax Laier 		    sizeof wepkey);
2585c10b1400SMax Laier 		if (error != 0)
2586c10b1400SMax Laier 			return error;
2587c10b1400SMax Laier 	}
2588c10b1400SMax Laier 	return 0;
2589c10b1400SMax Laier }
2590c10b1400SMax Laier 
2591c10b1400SMax Laier static int
2592ceaec73dSDamien Bergamini iwi_config(struct iwi_softc *sc)
2593ceaec73dSDamien Bergamini {
2594b032f27cSSam Leffler 	struct ifnet *ifp = sc->sc_ifp;
2595b032f27cSSam Leffler 	struct ieee80211com *ic = ifp->if_l2com;
2596ceaec73dSDamien Bergamini 	struct iwi_configuration config;
2597ceaec73dSDamien Bergamini 	struct iwi_rateset rs;
2598ceaec73dSDamien Bergamini 	struct iwi_txpower power;
2599ceaec73dSDamien Bergamini 	uint32_t data;
2600ceaec73dSDamien Bergamini 	int error, i;
2601b032f27cSSam Leffler 
260268e8e04eSSam Leffler 	IWI_LOCK_ASSERT(sc);
2603ceaec73dSDamien Bergamini 
260429aca940SSam Leffler 	DPRINTF(("Setting MAC address to %6D\n", IF_LLADDR(ifp), ":"));
260529aca940SSam Leffler 	error = iwi_cmd(sc, IWI_CMD_SET_MAC_ADDRESS, IF_LLADDR(ifp),
2606c10b1400SMax Laier 	    IEEE80211_ADDR_LEN);
2607ceaec73dSDamien Bergamini 	if (error != 0)
2608ceaec73dSDamien Bergamini 		return error;
2609ceaec73dSDamien Bergamini 
2610ceaec73dSDamien Bergamini 	memset(&config, 0, sizeof config);
2611ceaec73dSDamien Bergamini 	config.bluetooth_coexistence = sc->bluetooth;
2612c10b1400SMax Laier 	config.silence_threshold = 0x1e;
2613acea4241SDamien Bergamini 	config.antenna = sc->antenna;
2614ceaec73dSDamien Bergamini 	config.multicast_enabled = 1;
2615acea4241SDamien Bergamini 	config.answer_pbreq = (ic->ic_opmode == IEEE80211_M_IBSS) ? 1 : 0;
2616acea4241SDamien Bergamini 	config.disable_unicast_decryption = 1;
2617acea4241SDamien Bergamini 	config.disable_multicast_decryption = 1;
261840668dc5SBernhard Schmidt 	if (ic->ic_opmode == IEEE80211_M_MONITOR) {
261940668dc5SBernhard Schmidt 		config.allow_invalid_frames = 1;
262040668dc5SBernhard Schmidt 		config.allow_beacon_and_probe_resp = 1;
262140668dc5SBernhard Schmidt 		config.allow_mgt = 1;
262240668dc5SBernhard Schmidt 	}
2623ceaec73dSDamien Bergamini 	DPRINTF(("Configuring adapter\n"));
2624c10b1400SMax Laier 	error = iwi_cmd(sc, IWI_CMD_SET_CONFIG, &config, sizeof config);
2625ceaec73dSDamien Bergamini 	if (error != 0)
2626ceaec73dSDamien Bergamini 		return error;
2627ceaec73dSDamien Bergamini 	if (ic->ic_opmode == IEEE80211_M_IBSS) {
2628ceaec73dSDamien Bergamini 		power.mode = IWI_MODE_11B;
2629ceaec73dSDamien Bergamini 		power.nchan = 11;
2630ceaec73dSDamien Bergamini 		for (i = 0; i < 11; i++) {
2631ceaec73dSDamien Bergamini 			power.chan[i].chan = i + 1;
2632ceaec73dSDamien Bergamini 			power.chan[i].power = IWI_TXPOWER_MAX;
2633ceaec73dSDamien Bergamini 		}
2634ceaec73dSDamien Bergamini 		DPRINTF(("Setting .11b channels tx power\n"));
2635c10b1400SMax Laier 		error = iwi_cmd(sc, IWI_CMD_SET_TX_POWER, &power, sizeof power);
2636ceaec73dSDamien Bergamini 		if (error != 0)
2637ceaec73dSDamien Bergamini 			return error;
2638ceaec73dSDamien Bergamini 
2639ceaec73dSDamien Bergamini 		power.mode = IWI_MODE_11G;
2640ceaec73dSDamien Bergamini 		DPRINTF(("Setting .11g channels tx power\n"));
2641c10b1400SMax Laier 		error = iwi_cmd(sc, IWI_CMD_SET_TX_POWER, &power, sizeof power);
2642ceaec73dSDamien Bergamini 		if (error != 0)
2643ceaec73dSDamien Bergamini 			return error;
2644ceaec73dSDamien Bergamini 	}
2645ceaec73dSDamien Bergamini 
2646163ee276SAndrew Thompson 	memset(&rs, 0, sizeof rs);
2647ceaec73dSDamien Bergamini 	rs.mode = IWI_MODE_11G;
2648ceaec73dSDamien Bergamini 	rs.type = IWI_RATESET_TYPE_SUPPORTED;
2649ceaec73dSDamien Bergamini 	rs.nrates = ic->ic_sup_rates[IEEE80211_MODE_11G].rs_nrates;
2650ceaec73dSDamien Bergamini 	memcpy(rs.rates, ic->ic_sup_rates[IEEE80211_MODE_11G].rs_rates,
2651ceaec73dSDamien Bergamini 	    rs.nrates);
2652ceaec73dSDamien Bergamini 	DPRINTF(("Setting .11bg supported rates (%u)\n", rs.nrates));
2653c10b1400SMax Laier 	error = iwi_cmd(sc, IWI_CMD_SET_RATES, &rs, sizeof rs);
2654ceaec73dSDamien Bergamini 	if (error != 0)
2655ceaec73dSDamien Bergamini 		return error;
2656ceaec73dSDamien Bergamini 
2657163ee276SAndrew Thompson 	memset(&rs, 0, sizeof rs);
2658ceaec73dSDamien Bergamini 	rs.mode = IWI_MODE_11A;
2659ceaec73dSDamien Bergamini 	rs.type = IWI_RATESET_TYPE_SUPPORTED;
2660ceaec73dSDamien Bergamini 	rs.nrates = ic->ic_sup_rates[IEEE80211_MODE_11A].rs_nrates;
2661ceaec73dSDamien Bergamini 	memcpy(rs.rates, ic->ic_sup_rates[IEEE80211_MODE_11A].rs_rates,
2662ceaec73dSDamien Bergamini 	    rs.nrates);
2663ceaec73dSDamien Bergamini 	DPRINTF(("Setting .11a supported rates (%u)\n", rs.nrates));
2664c10b1400SMax Laier 	error = iwi_cmd(sc, IWI_CMD_SET_RATES, &rs, sizeof rs);
2665ceaec73dSDamien Bergamini 	if (error != 0)
2666ceaec73dSDamien Bergamini 		return error;
2667ceaec73dSDamien Bergamini 
2668ceaec73dSDamien Bergamini 	data = htole32(arc4random());
2669ceaec73dSDamien Bergamini 	DPRINTF(("Setting initialization vector to %u\n", le32toh(data)));
2670c10b1400SMax Laier 	error = iwi_cmd(sc, IWI_CMD_SET_IV, &data, sizeof data);
2671ceaec73dSDamien Bergamini 	if (error != 0)
2672ceaec73dSDamien Bergamini 		return error;
2673ceaec73dSDamien Bergamini 
2674ceaec73dSDamien Bergamini 	/* enable adapter */
2675ceaec73dSDamien Bergamini 	DPRINTF(("Enabling adapter\n"));
2676c10b1400SMax Laier 	return iwi_cmd(sc, IWI_CMD_ENABLE, NULL, 0);
2677ceaec73dSDamien Bergamini }
2678ceaec73dSDamien Bergamini 
2679c10b1400SMax Laier static __inline void
2680c10b1400SMax Laier set_scan_type(struct iwi_scan_ext *scan, int ix, int scan_type)
2681acea4241SDamien Bergamini {
2682c10b1400SMax Laier 	uint8_t *st = &scan->scan_type[ix / 2];
2683c10b1400SMax Laier 	if (ix % 2)
2684c10b1400SMax Laier 		*st = (*st & 0xf0) | ((scan_type & 0xf) << 0);
2685c10b1400SMax Laier 	else
2686c10b1400SMax Laier 		*st = (*st & 0x0f) | ((scan_type & 0xf) << 4);
2687acea4241SDamien Bergamini }
2688acea4241SDamien Bergamini 
2689acea4241SDamien Bergamini static int
269068e8e04eSSam Leffler scan_type(const struct ieee80211_scan_state *ss,
269168e8e04eSSam Leffler 	const struct ieee80211_channel *chan)
2692ceaec73dSDamien Bergamini {
269368e8e04eSSam Leffler 	/* We can only set one essid for a directed scan */
269468e8e04eSSam Leffler 	if (ss->ss_nssid != 0)
269568e8e04eSSam Leffler 		return IWI_SCAN_TYPE_BDIRECTED;
269668e8e04eSSam Leffler 	if ((ss->ss_flags & IEEE80211_SCAN_ACTIVE) &&
269768e8e04eSSam Leffler 	    (chan->ic_flags & IEEE80211_CHAN_PASSIVE) == 0)
269868e8e04eSSam Leffler 		return IWI_SCAN_TYPE_BROADCAST;
269968e8e04eSSam Leffler 	return IWI_SCAN_TYPE_PASSIVE;
270068e8e04eSSam Leffler }
2701ceaec73dSDamien Bergamini 
270268e8e04eSSam Leffler static __inline int
270368e8e04eSSam Leffler scan_band(const struct ieee80211_channel *c)
270468e8e04eSSam Leffler {
270568e8e04eSSam Leffler 	return IEEE80211_IS_CHAN_5GHZ(c) ?  IWI_CHAN_5GHZ : IWI_CHAN_2GHZ;
270668e8e04eSSam Leffler }
270768e8e04eSSam Leffler 
270840668dc5SBernhard Schmidt static void
270940668dc5SBernhard Schmidt iwi_monitor_scan(void *arg, int npending)
271040668dc5SBernhard Schmidt {
271140668dc5SBernhard Schmidt 	struct iwi_softc *sc = arg;
271240668dc5SBernhard Schmidt 	IWI_LOCK_DECL;
271340668dc5SBernhard Schmidt 
271440668dc5SBernhard Schmidt 	IWI_LOCK(sc);
271540668dc5SBernhard Schmidt 	(void) iwi_scanchan(sc, 2000, 0);
271640668dc5SBernhard Schmidt 	IWI_UNLOCK(sc);
271740668dc5SBernhard Schmidt }
271840668dc5SBernhard Schmidt 
271968e8e04eSSam Leffler /*
272068e8e04eSSam Leffler  * Start a scan on the current channel or all channels.
272168e8e04eSSam Leffler  */
272268e8e04eSSam Leffler static int
27235efea30fSAndrew Thompson iwi_scanchan(struct iwi_softc *sc, unsigned long maxdwell, int allchan)
272468e8e04eSSam Leffler {
272568e8e04eSSam Leffler 	struct ieee80211com *ic;
272668e8e04eSSam Leffler 	struct ieee80211_channel *chan;
272768e8e04eSSam Leffler 	struct ieee80211_scan_state *ss;
272868e8e04eSSam Leffler 	struct iwi_scan_ext scan;
272968e8e04eSSam Leffler 	int error = 0;
273068e8e04eSSam Leffler 
273168e8e04eSSam Leffler 	IWI_LOCK_ASSERT(sc);
273268e8e04eSSam Leffler 	if (sc->fw_state == IWI_FW_SCANNING) {
273368e8e04eSSam Leffler 		/*
273468e8e04eSSam Leffler 		 * This should not happen as we only trigger scan_next after
273568e8e04eSSam Leffler 		 * completion
273668e8e04eSSam Leffler 		 */
273768e8e04eSSam Leffler 		DPRINTF(("%s: called too early - still scanning\n", __func__));
273868e8e04eSSam Leffler 		return (EBUSY);
273968e8e04eSSam Leffler 	}
274068e8e04eSSam Leffler 	IWI_STATE_BEGIN(sc, IWI_FW_SCANNING);
274168e8e04eSSam Leffler 
2742b032f27cSSam Leffler 	ic = sc->sc_ifp->if_l2com;
274368e8e04eSSam Leffler 	ss = ic->ic_scan;
2744484f6530SLuigi Rizzo 
2745ceaec73dSDamien Bergamini 	memset(&scan, 0, sizeof scan);
274668e8e04eSSam Leffler 	scan.full_scan_index = htole32(++sc->sc_scangen);
274768e8e04eSSam Leffler 	scan.dwell_time[IWI_SCAN_TYPE_PASSIVE] = htole16(maxdwell);
274868e8e04eSSam Leffler 	if (ic->ic_flags_ext & IEEE80211_FEXT_BGSCAN) {
274968e8e04eSSam Leffler 		/*
275068e8e04eSSam Leffler 		 * Use very short dwell times for when we send probe request
275168e8e04eSSam Leffler 		 * frames.  Without this bg scans hang.  Ideally this should
275268e8e04eSSam Leffler 		 * be handled with early-termination as done by net80211 but
275368e8e04eSSam Leffler 		 * that's not feasible (aborting a scan is problematic).
275468e8e04eSSam Leffler 		 */
275568e8e04eSSam Leffler 		scan.dwell_time[IWI_SCAN_TYPE_BROADCAST] = htole16(30);
275668e8e04eSSam Leffler 		scan.dwell_time[IWI_SCAN_TYPE_BDIRECTED] = htole16(30);
275768e8e04eSSam Leffler 	} else {
275868e8e04eSSam Leffler 		scan.dwell_time[IWI_SCAN_TYPE_BROADCAST] = htole16(maxdwell);
275968e8e04eSSam Leffler 		scan.dwell_time[IWI_SCAN_TYPE_BDIRECTED] = htole16(maxdwell);
276068e8e04eSSam Leffler 	}
276180e1a712SDamien Bergamini 
276268e8e04eSSam Leffler 	/* We can only set one essid for a directed scan */
276368e8e04eSSam Leffler 	if (ss->ss_nssid != 0) {
276468e8e04eSSam Leffler 		error = iwi_cmd(sc, IWI_CMD_SET_ESSID, ss->ss_ssid[0].ssid,
276568e8e04eSSam Leffler 		    ss->ss_ssid[0].len);
276668e8e04eSSam Leffler 		if (error)
276768e8e04eSSam Leffler 			return (error);
276868e8e04eSSam Leffler 	}
2769ceaec73dSDamien Bergamini 
27705efea30fSAndrew Thompson 	if (allchan) {
277168e8e04eSSam Leffler 		int i, next, band, b, bstart;
277268e8e04eSSam Leffler 		/*
277368e8e04eSSam Leffler 		 * Convert scan list to run-length encoded channel list
277468e8e04eSSam Leffler 		 * the firmware requires (preserving the order setup by
277568e8e04eSSam Leffler 		 * net80211).  The first entry in each run specifies the
277668e8e04eSSam Leffler 		 * band and the count of items in the run.
277768e8e04eSSam Leffler 		 */
277868e8e04eSSam Leffler 		next = 0;		/* next open slot */
277968e8e04eSSam Leffler 		bstart = 0;		/* NB: not needed, silence compiler */
278068e8e04eSSam Leffler 		band = -1;		/* NB: impossible value */
278168e8e04eSSam Leffler 		KASSERT(ss->ss_last > 0, ("no channels"));
278268e8e04eSSam Leffler 		for (i = 0; i < ss->ss_last; i++) {
278368e8e04eSSam Leffler 			chan = ss->ss_chans[i];
278468e8e04eSSam Leffler 			b = scan_band(chan);
278568e8e04eSSam Leffler 			if (b != band) {
278668e8e04eSSam Leffler 				if (band != -1)
278768e8e04eSSam Leffler 					scan.channels[bstart] =
278868e8e04eSSam Leffler 					    (next - bstart) | band;
278968e8e04eSSam Leffler 				/* NB: this allocates a slot for the run-len */
279068e8e04eSSam Leffler 				band = b, bstart = next++;
279168e8e04eSSam Leffler 			}
279268e8e04eSSam Leffler 			if (next >= IWI_SCAN_CHANNELS) {
279368e8e04eSSam Leffler 				DPRINTF(("truncating scan list\n"));
279468e8e04eSSam Leffler 				break;
279568e8e04eSSam Leffler 			}
279668e8e04eSSam Leffler 			scan.channels[next] = ieee80211_chan2ieee(ic, chan);
279768e8e04eSSam Leffler 			set_scan_type(&scan, next, scan_type(ss, chan));
279868e8e04eSSam Leffler 			next++;
279968e8e04eSSam Leffler 		}
280068e8e04eSSam Leffler 		scan.channels[bstart] = (next - bstart) | band;
280168e8e04eSSam Leffler 	} else {
280268e8e04eSSam Leffler 		/* Scan the current channel only */
280368e8e04eSSam Leffler 		chan = ic->ic_curchan;
280468e8e04eSSam Leffler 		scan.channels[0] = 1 | scan_band(chan);
280568e8e04eSSam Leffler 		scan.channels[1] = ieee80211_chan2ieee(ic, chan);
280668e8e04eSSam Leffler 		set_scan_type(&scan, 1, scan_type(ss, chan));
280768e8e04eSSam Leffler 	}
28080c341cb2SMax Laier #ifdef IWI_DEBUG
28090c341cb2SMax Laier 	if (iwi_debug > 0) {
281068e8e04eSSam Leffler 		static const char *scantype[8] =
281168e8e04eSSam Leffler 		   { "PSTOP", "PASV", "DIR", "BCAST", "BDIR", "5", "6", "7" };
281268e8e04eSSam Leffler 		int i;
281368e8e04eSSam Leffler 		printf("Scan request: index %u dwell %d/%d/%d\n"
281468e8e04eSSam Leffler 		    , le32toh(scan.full_scan_index)
281568e8e04eSSam Leffler 		    , le16toh(scan.dwell_time[IWI_SCAN_TYPE_PASSIVE])
281668e8e04eSSam Leffler 		    , le16toh(scan.dwell_time[IWI_SCAN_TYPE_BROADCAST])
281768e8e04eSSam Leffler 		    , le16toh(scan.dwell_time[IWI_SCAN_TYPE_BDIRECTED])
281868e8e04eSSam Leffler 		);
281968e8e04eSSam Leffler 		i = 0;
282068e8e04eSSam Leffler 		do {
282168e8e04eSSam Leffler 			int run = scan.channels[i];
282268e8e04eSSam Leffler 			if (run == 0)
282368e8e04eSSam Leffler 				break;
282468e8e04eSSam Leffler 			printf("Scan %d %s channels:", run & 0x3f,
282568e8e04eSSam Leffler 			    run & IWI_CHAN_2GHZ ? "2.4GHz" : "5GHz");
282668e8e04eSSam Leffler 			for (run &= 0x3f, i++; run > 0; run--, i++) {
282768e8e04eSSam Leffler 				uint8_t type = scan.scan_type[i/2];
282868e8e04eSSam Leffler 				printf(" %u/%s", scan.channels[i],
282968e8e04eSSam Leffler 				    scantype[(i & 1 ? type : type>>4) & 7]);
283068e8e04eSSam Leffler 			}
28310c341cb2SMax Laier 			printf("\n");
283268e8e04eSSam Leffler 		} while (i < IWI_SCAN_CHANNELS);
28330c341cb2SMax Laier 	}
28340c341cb2SMax Laier #endif
2835c10b1400SMax Laier 
283668e8e04eSSam Leffler 	return (iwi_cmd(sc, IWI_CMD_SCAN_EXT, &scan, sizeof scan));
2837c10b1400SMax Laier }
2838c10b1400SMax Laier 
2839c10b1400SMax Laier static int
2840c10b1400SMax Laier iwi_set_sensitivity(struct iwi_softc *sc, int8_t rssi_dbm)
2841c10b1400SMax Laier {
2842c10b1400SMax Laier 	struct iwi_sensitivity sens;
2843c10b1400SMax Laier 
2844c10b1400SMax Laier 	DPRINTF(("Setting sensitivity to %d\n", rssi_dbm));
2845c10b1400SMax Laier 
2846c10b1400SMax Laier 	memset(&sens, 0, sizeof sens);
2847c10b1400SMax Laier 	sens.rssi = htole16(rssi_dbm);
2848c10b1400SMax Laier 	return iwi_cmd(sc, IWI_CMD_SET_SENSITIVITY, &sens, sizeof sens);
2849ceaec73dSDamien Bergamini }
2850ceaec73dSDamien Bergamini 
2851ceaec73dSDamien Bergamini static int
2852b032f27cSSam Leffler iwi_auth_and_assoc(struct iwi_softc *sc, struct ieee80211vap *vap)
2853ceaec73dSDamien Bergamini {
2854b032f27cSSam Leffler 	struct ieee80211com *ic = vap->iv_ic;
2855b032f27cSSam Leffler 	struct ifnet *ifp = vap->iv_ifp;
285639bb444cSAdrian Chadd 	struct ieee80211_node *ni;
2857ceaec73dSDamien Bergamini 	struct iwi_configuration config;
2858c10b1400SMax Laier 	struct iwi_associate *assoc = &sc->assoc;
2859ceaec73dSDamien Bergamini 	struct iwi_rateset rs;
2860acea4241SDamien Bergamini 	uint16_t capinfo;
2861b032f27cSSam Leffler 	uint32_t data;
2862163ee276SAndrew Thompson 	int error, mode;
2863ceaec73dSDamien Bergamini 
286468e8e04eSSam Leffler 	IWI_LOCK_ASSERT(sc);
286568e8e04eSSam Leffler 
286639bb444cSAdrian Chadd 	ni = ieee80211_ref_node(vap->iv_bss);
286739bb444cSAdrian Chadd 
286868e8e04eSSam Leffler 	if (sc->flags & IWI_FLAG_ASSOCIATED) {
286968e8e04eSSam Leffler 		DPRINTF(("Already associated\n"));
287068e8e04eSSam Leffler 		return (-1);
287168e8e04eSSam Leffler 	}
287268e8e04eSSam Leffler 
287368e8e04eSSam Leffler 	IWI_STATE_BEGIN(sc, IWI_FW_ASSOCIATING);
287468e8e04eSSam Leffler 	error = 0;
2875163ee276SAndrew Thompson 	mode = 0;
2876163ee276SAndrew Thompson 
2877163ee276SAndrew Thompson 	if (IEEE80211_IS_CHAN_A(ic->ic_curchan))
2878163ee276SAndrew Thompson 		mode = IWI_MODE_11A;
2879163ee276SAndrew Thompson 	else if (IEEE80211_IS_CHAN_G(ic->ic_curchan))
2880163ee276SAndrew Thompson 		mode = IWI_MODE_11G;
2881163ee276SAndrew Thompson 	if (IEEE80211_IS_CHAN_B(ic->ic_curchan))
2882163ee276SAndrew Thompson 		mode = IWI_MODE_11B;
2883163ee276SAndrew Thompson 
288468e8e04eSSam Leffler 	if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) {
2885ceaec73dSDamien Bergamini 		memset(&config, 0, sizeof config);
2886ceaec73dSDamien Bergamini 		config.bluetooth_coexistence = sc->bluetooth;
2887acea4241SDamien Bergamini 		config.antenna = sc->antenna;
2888ceaec73dSDamien Bergamini 		config.multicast_enabled = 1;
2889163ee276SAndrew Thompson 		if (mode == IWI_MODE_11G)
2890ceaec73dSDamien Bergamini 			config.use_protection = 1;
2891acea4241SDamien Bergamini 		config.answer_pbreq =
2892b032f27cSSam Leffler 		    (vap->iv_opmode == IEEE80211_M_IBSS) ? 1 : 0;
2893acea4241SDamien Bergamini 		config.disable_unicast_decryption = 1;
2894acea4241SDamien Bergamini 		config.disable_multicast_decryption = 1;
2895ceaec73dSDamien Bergamini 		DPRINTF(("Configuring adapter\n"));
2896c10b1400SMax Laier 		error = iwi_cmd(sc, IWI_CMD_SET_CONFIG, &config, sizeof config);
2897ceaec73dSDamien Bergamini 		if (error != 0)
289868e8e04eSSam Leffler 			goto done;
2899ceaec73dSDamien Bergamini 	}
2900ceaec73dSDamien Bergamini 
2901ceaec73dSDamien Bergamini #ifdef IWI_DEBUG
2902ceaec73dSDamien Bergamini 	if (iwi_debug > 0) {
2903ceaec73dSDamien Bergamini 		printf("Setting ESSID to ");
2904ceaec73dSDamien Bergamini 		ieee80211_print_essid(ni->ni_essid, ni->ni_esslen);
2905ceaec73dSDamien Bergamini 		printf("\n");
2906ceaec73dSDamien Bergamini 	}
2907ceaec73dSDamien Bergamini #endif
2908c10b1400SMax Laier 	error = iwi_cmd(sc, IWI_CMD_SET_ESSID, ni->ni_essid, ni->ni_esslen);
2909ceaec73dSDamien Bergamini 	if (error != 0)
291068e8e04eSSam Leffler 		goto done;
2911ceaec73dSDamien Bergamini 
2912b032f27cSSam Leffler 	error = iwi_setpowermode(sc, vap);
2913b032f27cSSam Leffler 	if (error != 0)
2914b032f27cSSam Leffler 		goto done;
2915b032f27cSSam Leffler 
2916b032f27cSSam Leffler 	data = htole32(vap->iv_rtsthreshold);
2917b032f27cSSam Leffler 	DPRINTF(("Setting RTS threshold to %u\n", le32toh(data)));
2918b032f27cSSam Leffler 	error = iwi_cmd(sc, IWI_CMD_SET_RTS_THRESHOLD, &data, sizeof data);
2919b032f27cSSam Leffler 	if (error != 0)
2920b032f27cSSam Leffler 		goto done;
2921b032f27cSSam Leffler 
2922b032f27cSSam Leffler 	data = htole32(vap->iv_fragthreshold);
2923b032f27cSSam Leffler 	DPRINTF(("Setting fragmentation threshold to %u\n", le32toh(data)));
2924b032f27cSSam Leffler 	error = iwi_cmd(sc, IWI_CMD_SET_FRAG_THRESHOLD, &data, sizeof data);
2925b032f27cSSam Leffler 	if (error != 0)
2926b032f27cSSam Leffler 		goto done;
2927b032f27cSSam Leffler 
292880e1a712SDamien Bergamini 	/* the rate set has already been "negotiated" */
2929163ee276SAndrew Thompson 	memset(&rs, 0, sizeof rs);
2930163ee276SAndrew Thompson 	rs.mode = mode;
293180e1a712SDamien Bergamini 	rs.type = IWI_RATESET_TYPE_NEGOTIATED;
2932ceaec73dSDamien Bergamini 	rs.nrates = ni->ni_rates.rs_nrates;
2933aaae09daSMax Laier 	if (rs.nrates > IWI_RATESET_SIZE) {
2934aaae09daSMax Laier 		DPRINTF(("Truncating negotiated rate set from %u\n",
2935aaae09daSMax Laier 		    rs.nrates));
2936aaae09daSMax Laier 		rs.nrates = IWI_RATESET_SIZE;
2937aaae09daSMax Laier 	}
2938ceaec73dSDamien Bergamini 	memcpy(rs.rates, ni->ni_rates.rs_rates, rs.nrates);
2939c10b1400SMax Laier 	DPRINTF(("Setting negotiated rates (%u)\n", rs.nrates));
2940c10b1400SMax Laier 	error = iwi_cmd(sc, IWI_CMD_SET_RATES, &rs, sizeof rs);
2941ceaec73dSDamien Bergamini 	if (error != 0)
294268e8e04eSSam Leffler 		goto done;
2943ceaec73dSDamien Bergamini 
2944c10b1400SMax Laier 	memset(assoc, 0, sizeof *assoc);
2945c10b1400SMax Laier 
2946b032f27cSSam Leffler 	if ((vap->iv_flags & IEEE80211_F_WME) && ni->ni_ies.wme_ie != NULL) {
2947c10b1400SMax Laier 		/* NB: don't treat WME setup as failure */
2948b032f27cSSam Leffler 		if (iwi_wme_setparams(sc, ic) == 0 && iwi_wme_setie(sc) == 0)
2949c10b1400SMax Laier 			assoc->policy |= htole16(IWI_POLICY_WME);
2950c10b1400SMax Laier 		/* XXX complain on failure? */
2951ec01dc2bSDamien Bergamini 	}
2952ec01dc2bSDamien Bergamini 
2953b032f27cSSam Leffler 	if (vap->iv_appie_wpa != NULL) {
2954b032f27cSSam Leffler 		struct ieee80211_appie *ie = vap->iv_appie_wpa;
2955b032f27cSSam Leffler 
2956b032f27cSSam Leffler 		DPRINTF(("Setting optional IE (len=%u)\n", ie->ie_len));
2957b032f27cSSam Leffler 		error = iwi_cmd(sc, IWI_CMD_SET_OPTIE, ie->ie_data, ie->ie_len);
2958acea4241SDamien Bergamini 		if (error != 0)
295968e8e04eSSam Leffler 			goto done;
2960acea4241SDamien Bergamini 	}
2961acea4241SDamien Bergamini 
2962b032f27cSSam Leffler 	error = iwi_set_sensitivity(sc, ic->ic_node_getrssi(ni));
2963ceaec73dSDamien Bergamini 	if (error != 0)
296468e8e04eSSam Leffler 		goto done;
2965ceaec73dSDamien Bergamini 
2966163ee276SAndrew Thompson 	assoc->mode = mode;
296768e8e04eSSam Leffler 	assoc->chan = ic->ic_curchan->ic_ieee;
2968c10b1400SMax Laier 	/*
2969c10b1400SMax Laier 	 * NB: do not arrange for shared key auth w/o privacy
2970c10b1400SMax Laier 	 *     (i.e. a wep key); it causes a firmware error.
2971c10b1400SMax Laier 	 */
2972b032f27cSSam Leffler 	if ((vap->iv_flags & IEEE80211_F_PRIVACY) &&
2973c10b1400SMax Laier 	    ni->ni_authmode == IEEE80211_AUTH_SHARED) {
2974c10b1400SMax Laier 		assoc->auth = IWI_AUTH_SHARED;
2975c10b1400SMax Laier 		/*
2976c10b1400SMax Laier 		 * It's possible to have privacy marked but no default
2977c10b1400SMax Laier 		 * key setup.  This typically is due to a user app bug
2978c10b1400SMax Laier 		 * but if we blindly grab the key the firmware will
2979c10b1400SMax Laier 		 * barf so avoid it for now.
2980c10b1400SMax Laier 		 */
2981b032f27cSSam Leffler 		if (vap->iv_def_txkey != IEEE80211_KEYIX_NONE)
2982b032f27cSSam Leffler 			assoc->auth |= vap->iv_def_txkey << 4;
2983c10b1400SMax Laier 
2984b032f27cSSam Leffler 		error = iwi_setwepkeys(sc, vap);
2985c10b1400SMax Laier 		if (error != 0)
298668e8e04eSSam Leffler 			goto done;
2987c10b1400SMax Laier 	}
2988b032f27cSSam Leffler 	if (vap->iv_flags & IEEE80211_F_WPA)
2989c10b1400SMax Laier 		assoc->policy |= htole16(IWI_POLICY_WPA);
2990b032f27cSSam Leffler 	if (vap->iv_opmode == IEEE80211_M_IBSS && ni->ni_tstamp.tsf == 0)
2991c10b1400SMax Laier 		assoc->type = IWI_HC_IBSS_START;
2992c10b1400SMax Laier 	else
2993c10b1400SMax Laier 		assoc->type = IWI_HC_ASSOC;
2994c10b1400SMax Laier 	memcpy(assoc->tstamp, ni->ni_tstamp.data, 8);
2995acea4241SDamien Bergamini 
2996b032f27cSSam Leffler 	if (vap->iv_opmode == IEEE80211_M_IBSS)
2997acea4241SDamien Bergamini 		capinfo = IEEE80211_CAPINFO_IBSS;
2998acea4241SDamien Bergamini 	else
2999acea4241SDamien Bergamini 		capinfo = IEEE80211_CAPINFO_ESS;
3000b032f27cSSam Leffler 	if (vap->iv_flags & IEEE80211_F_PRIVACY)
3001acea4241SDamien Bergamini 		capinfo |= IEEE80211_CAPINFO_PRIVACY;
3002acea4241SDamien Bergamini 	if ((ic->ic_flags & IEEE80211_F_SHPREAMBLE) &&
300368e8e04eSSam Leffler 	    IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3004acea4241SDamien Bergamini 		capinfo |= IEEE80211_CAPINFO_SHORT_PREAMBLE;
3005c10b1400SMax Laier 	if (ni->ni_capinfo & IEEE80211_CAPINFO_SHORT_SLOTTIME)
3006acea4241SDamien Bergamini 		capinfo |= IEEE80211_CAPINFO_SHORT_SLOTTIME;
3007c10b1400SMax Laier 	assoc->capinfo = htole16(capinfo);
3008acea4241SDamien Bergamini 
3009c10b1400SMax Laier 	assoc->lintval = htole16(ic->ic_lintval);
3010c10b1400SMax Laier 	assoc->intval = htole16(ni->ni_intval);
3011c10b1400SMax Laier 	IEEE80211_ADDR_COPY(assoc->bssid, ni->ni_bssid);
3012b032f27cSSam Leffler 	if (vap->iv_opmode == IEEE80211_M_IBSS)
3013c10b1400SMax Laier 		IEEE80211_ADDR_COPY(assoc->dst, ifp->if_broadcastaddr);
3014ceaec73dSDamien Bergamini 	else
3015c10b1400SMax Laier 		IEEE80211_ADDR_COPY(assoc->dst, ni->ni_bssid);
3016ceaec73dSDamien Bergamini 
3017c10b1400SMax Laier 	DPRINTF(("%s bssid %6D dst %6D channel %u policy 0x%x "
3018c10b1400SMax Laier 	    "auth %u capinfo 0x%x lintval %u bintval %u\n",
3019c10b1400SMax Laier 	    assoc->type == IWI_HC_IBSS_START ? "Start" : "Join",
3020c10b1400SMax Laier 	    assoc->bssid, ":", assoc->dst, ":",
3021c10b1400SMax Laier 	    assoc->chan, le16toh(assoc->policy), assoc->auth,
3022c10b1400SMax Laier 	    le16toh(assoc->capinfo), le16toh(assoc->lintval),
3023c10b1400SMax Laier 	    le16toh(assoc->intval)));
302468e8e04eSSam Leffler 	error = iwi_cmd(sc, IWI_CMD_ASSOCIATE, assoc, sizeof *assoc);
302568e8e04eSSam Leffler done:
302639bb444cSAdrian Chadd 	ieee80211_free_node(ni);
302768e8e04eSSam Leffler 	if (error)
302868e8e04eSSam Leffler 		IWI_STATE_END(sc, IWI_FW_ASSOCIATING);
302968e8e04eSSam Leffler 
303068e8e04eSSam Leffler 	return (error);
3031ceaec73dSDamien Bergamini }
3032ceaec73dSDamien Bergamini 
30335efea30fSAndrew Thompson static void
30345efea30fSAndrew Thompson iwi_disassoc(void *arg, int pending)
30355efea30fSAndrew Thompson {
30365efea30fSAndrew Thompson 	struct iwi_softc *sc = arg;
30375efea30fSAndrew Thompson 	IWI_LOCK_DECL;
30385efea30fSAndrew Thompson 
30395efea30fSAndrew Thompson 	IWI_LOCK(sc);
30405efea30fSAndrew Thompson 	iwi_disassociate(sc, 0);
30415efea30fSAndrew Thompson 	IWI_UNLOCK(sc);
30425efea30fSAndrew Thompson }
30435efea30fSAndrew Thompson 
3044c10b1400SMax Laier static int
3045c10b1400SMax Laier iwi_disassociate(struct iwi_softc *sc, int quiet)
30461b996b2aSDamien Bergamini {
3047c10b1400SMax Laier 	struct iwi_associate *assoc = &sc->assoc;
3048c10b1400SMax Laier 
304968e8e04eSSam Leffler 	if ((sc->flags & IWI_FLAG_ASSOCIATED) == 0) {
305068e8e04eSSam Leffler 		DPRINTF(("Not associated\n"));
305168e8e04eSSam Leffler 		return (-1);
305268e8e04eSSam Leffler 	}
305368e8e04eSSam Leffler 
305468e8e04eSSam Leffler 	IWI_STATE_BEGIN(sc, IWI_FW_DISASSOCIATING);
305568e8e04eSSam Leffler 
3056c10b1400SMax Laier 	if (quiet)
3057c10b1400SMax Laier 		assoc->type = IWI_HC_DISASSOC_QUIET;
3058c10b1400SMax Laier 	else
3059c10b1400SMax Laier 		assoc->type = IWI_HC_DISASSOC;
3060c10b1400SMax Laier 
3061c10b1400SMax Laier 	DPRINTF(("Trying to disassociate from %6D channel %u\n",
3062c10b1400SMax Laier 	    assoc->bssid, ":", assoc->chan));
3063c10b1400SMax Laier 	return iwi_cmd(sc, IWI_CMD_ASSOCIATE, assoc, sizeof *assoc);
3064c10b1400SMax Laier }
3065c10b1400SMax Laier 
3066484f6530SLuigi Rizzo /*
3067484f6530SLuigi Rizzo  * release dma resources for the firmware
3068484f6530SLuigi Rizzo  */
3069484f6530SLuigi Rizzo static void
3070484f6530SLuigi Rizzo iwi_release_fw_dma(struct iwi_softc *sc)
3071484f6530SLuigi Rizzo {
3072484f6530SLuigi Rizzo 	if (sc->fw_flags & IWI_FW_HAVE_PHY)
3073484f6530SLuigi Rizzo 		bus_dmamap_unload(sc->fw_dmat, sc->fw_map);
3074484f6530SLuigi Rizzo 	if (sc->fw_flags & IWI_FW_HAVE_MAP)
3075484f6530SLuigi Rizzo 		bus_dmamem_free(sc->fw_dmat, sc->fw_virtaddr, sc->fw_map);
3076484f6530SLuigi Rizzo 	if (sc->fw_flags & IWI_FW_HAVE_DMAT)
3077484f6530SLuigi Rizzo 		bus_dma_tag_destroy(sc->fw_dmat);
3078484f6530SLuigi Rizzo 
3079484f6530SLuigi Rizzo 	sc->fw_flags = 0;
3080484f6530SLuigi Rizzo 	sc->fw_dma_size = 0;
3081484f6530SLuigi Rizzo 	sc->fw_dmat = NULL;
3082484f6530SLuigi Rizzo 	sc->fw_map = NULL;
3083484f6530SLuigi Rizzo 	sc->fw_physaddr = 0;
3084484f6530SLuigi Rizzo 	sc->fw_virtaddr = NULL;
3085484f6530SLuigi Rizzo }
3086484f6530SLuigi Rizzo 
3087484f6530SLuigi Rizzo /*
3088484f6530SLuigi Rizzo  * allocate the dma descriptor for the firmware.
3089484f6530SLuigi Rizzo  * Return 0 on success, 1 on error.
3090484f6530SLuigi Rizzo  * Must be called unlocked, protected by IWI_FLAG_FW_LOADING.
3091484f6530SLuigi Rizzo  */
3092484f6530SLuigi Rizzo static int
3093484f6530SLuigi Rizzo iwi_init_fw_dma(struct iwi_softc *sc, int size)
3094484f6530SLuigi Rizzo {
3095899ff586SJohn Baldwin 	if (sc->fw_dma_size >= size)
3096484f6530SLuigi Rizzo 		return 0;
3097484f6530SLuigi Rizzo 	if (bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 4, 0,
3098484f6530SLuigi Rizzo 	    BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
3099484f6530SLuigi Rizzo 	    size, 1, size, 0, NULL, NULL, &sc->fw_dmat) != 0) {
3100484f6530SLuigi Rizzo 		device_printf(sc->sc_dev,
3101484f6530SLuigi Rizzo 		    "could not create firmware DMA tag\n");
3102484f6530SLuigi Rizzo 		goto error;
3103484f6530SLuigi Rizzo 	}
3104484f6530SLuigi Rizzo 	sc->fw_flags |= IWI_FW_HAVE_DMAT;
3105484f6530SLuigi Rizzo 	if (bus_dmamem_alloc(sc->fw_dmat, &sc->fw_virtaddr, 0,
3106484f6530SLuigi Rizzo 	    &sc->fw_map) != 0) {
3107484f6530SLuigi Rizzo 		device_printf(sc->sc_dev,
3108484f6530SLuigi Rizzo 		    "could not allocate firmware DMA memory\n");
3109484f6530SLuigi Rizzo 		goto error;
3110484f6530SLuigi Rizzo 	}
3111484f6530SLuigi Rizzo 	sc->fw_flags |= IWI_FW_HAVE_MAP;
3112484f6530SLuigi Rizzo 	if (bus_dmamap_load(sc->fw_dmat, sc->fw_map, sc->fw_virtaddr,
3113484f6530SLuigi Rizzo 	    size, iwi_dma_map_addr, &sc->fw_physaddr, 0) != 0) {
3114484f6530SLuigi Rizzo 		device_printf(sc->sc_dev, "could not load firmware DMA map\n");
3115484f6530SLuigi Rizzo 		goto error;
3116484f6530SLuigi Rizzo 	}
3117484f6530SLuigi Rizzo 	sc->fw_flags |= IWI_FW_HAVE_PHY;
3118484f6530SLuigi Rizzo 	sc->fw_dma_size = size;
3119484f6530SLuigi Rizzo 	return 0;
3120484f6530SLuigi Rizzo 
3121484f6530SLuigi Rizzo error:
3122484f6530SLuigi Rizzo 	iwi_release_fw_dma(sc);
3123484f6530SLuigi Rizzo 	return 1;
3124484f6530SLuigi Rizzo }
3125484f6530SLuigi Rizzo 
3126c10b1400SMax Laier static void
3127b032f27cSSam Leffler iwi_init_locked(struct iwi_softc *sc)
3128c10b1400SMax Laier {
3129b032f27cSSam Leffler 	struct ifnet *ifp = sc->sc_ifp;
3130ceaec73dSDamien Bergamini 	struct iwi_rx_data *data;
3131c10b1400SMax Laier 	int i;
3132c56adf0aSDamien Bergamini 
313368e8e04eSSam Leffler 	IWI_LOCK_ASSERT(sc);
3134b032f27cSSam Leffler 
313568e8e04eSSam Leffler 	if (sc->fw_state == IWI_FW_LOADING) {
3136484f6530SLuigi Rizzo 		device_printf(sc->sc_dev, "%s: already loading\n", __func__);
3137c10b1400SMax Laier 		return;		/* XXX: condvar? */
3138484f6530SLuigi Rizzo 	}
3139ceaec73dSDamien Bergamini 
3140b032f27cSSam Leffler 	iwi_stop_locked(sc);
3141b032f27cSSam Leffler 
314268e8e04eSSam Leffler 	IWI_STATE_BEGIN(sc, IWI_FW_LOADING);
3143ceaec73dSDamien Bergamini 
3144ceaec73dSDamien Bergamini 	if (iwi_reset(sc) != 0) {
3145ceaec73dSDamien Bergamini 		device_printf(sc->sc_dev, "could not reset adapter\n");
3146c10b1400SMax Laier 		goto fail;
3147ceaec73dSDamien Bergamini 	}
3148c10b1400SMax Laier 	if (iwi_load_firmware(sc, &sc->fw_boot) != 0) {
3149bef9529dSDamien Bergamini 		device_printf(sc->sc_dev,
3150c10b1400SMax Laier 		    "could not load boot firmware %s\n", sc->fw_boot.name);
3151484f6530SLuigi Rizzo 		goto fail;
3152bef9529dSDamien Bergamini 	}
3153c10b1400SMax Laier 	if (iwi_load_ucode(sc, &sc->fw_uc) != 0) {
3154c10b1400SMax Laier 		device_printf(sc->sc_dev,
3155c10b1400SMax Laier 		    "could not load microcode %s\n", sc->fw_uc.name);
3156484f6530SLuigi Rizzo 		goto fail;
3157ceaec73dSDamien Bergamini 	}
3158ceaec73dSDamien Bergamini 
3159ceaec73dSDamien Bergamini 	iwi_stop_master(sc);
3160ceaec73dSDamien Bergamini 
3161ceaec73dSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_CMD_BASE, sc->cmdq.physaddr);
3162ceaec73dSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_CMD_SIZE, sc->cmdq.count);
3163ceaec73dSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_CMD_WIDX, sc->cmdq.cur);
3164ceaec73dSDamien Bergamini 
3165ec01dc2bSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_TX1_BASE, sc->txq[0].physaddr);
3166ec01dc2bSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_TX1_SIZE, sc->txq[0].count);
3167ec01dc2bSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_TX1_WIDX, sc->txq[0].cur);
3168ceaec73dSDamien Bergamini 
3169ec01dc2bSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_TX2_BASE, sc->txq[1].physaddr);
3170ec01dc2bSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_TX2_SIZE, sc->txq[1].count);
3171ec01dc2bSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_TX2_WIDX, sc->txq[1].cur);
3172ceaec73dSDamien Bergamini 
3173ec01dc2bSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_TX3_BASE, sc->txq[2].physaddr);
3174ec01dc2bSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_TX3_SIZE, sc->txq[2].count);
3175ec01dc2bSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_TX3_WIDX, sc->txq[2].cur);
3176ceaec73dSDamien Bergamini 
3177ec01dc2bSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_TX4_BASE, sc->txq[3].physaddr);
3178ec01dc2bSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_TX4_SIZE, sc->txq[3].count);
3179ec01dc2bSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_TX4_WIDX, sc->txq[3].cur);
3180ceaec73dSDamien Bergamini 
3181ceaec73dSDamien Bergamini 	for (i = 0; i < sc->rxq.count; i++) {
3182ceaec73dSDamien Bergamini 		data = &sc->rxq.data[i];
3183ceaec73dSDamien Bergamini 		CSR_WRITE_4(sc, data->reg, data->physaddr);
3184ceaec73dSDamien Bergamini 	}
3185ceaec73dSDamien Bergamini 
3186ceaec73dSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_RX_WIDX, sc->rxq.count - 1);
3187ceaec73dSDamien Bergamini 
3188c10b1400SMax Laier 	if (iwi_load_firmware(sc, &sc->fw_fw) != 0) {
3189c10b1400SMax Laier 		device_printf(sc->sc_dev,
3190c10b1400SMax Laier 		    "could not load main firmware %s\n", sc->fw_fw.name);
3191484f6530SLuigi Rizzo 		goto fail;
3192ceaec73dSDamien Bergamini 	}
3193ceaec73dSDamien Bergamini 	sc->flags |= IWI_FLAG_FW_INITED;
3194ceaec73dSDamien Bergamini 
3195b032f27cSSam Leffler 	IWI_STATE_END(sc, IWI_FW_LOADING);
3196ceaec73dSDamien Bergamini 
3197b032f27cSSam Leffler 	if (iwi_config(sc) != 0) {
3198b032f27cSSam Leffler 		device_printf(sc->sc_dev, "unable to enable adapter\n");
3199b032f27cSSam Leffler 		goto fail2;
3200b032f27cSSam Leffler 	}
3201ceaec73dSDamien Bergamini 
320268e8e04eSSam Leffler 	callout_reset(&sc->sc_wdtimer, hz, iwi_watchdog, sc);
320313f4c340SRobert Watson 	ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
320413f4c340SRobert Watson 	ifp->if_drv_flags |= IFF_DRV_RUNNING;
3205ceaec73dSDamien Bergamini 	return;
3206b032f27cSSam Leffler fail:
320768e8e04eSSam Leffler 	IWI_STATE_END(sc, IWI_FW_LOADING);
3208b032f27cSSam Leffler fail2:
3209b032f27cSSam Leffler 	iwi_stop_locked(sc);
3210ceaec73dSDamien Bergamini }
3211ceaec73dSDamien Bergamini 
3212ceaec73dSDamien Bergamini static void
3213b032f27cSSam Leffler iwi_init(void *priv)
3214ceaec73dSDamien Bergamini {
3215ceaec73dSDamien Bergamini 	struct iwi_softc *sc = priv;
3216b032f27cSSam Leffler 	struct ifnet *ifp = sc->sc_ifp;
3217b032f27cSSam Leffler 	struct ieee80211com *ic = ifp->if_l2com;
3218b032f27cSSam Leffler 	IWI_LOCK_DECL;
3219b032f27cSSam Leffler 
3220b032f27cSSam Leffler 	IWI_LOCK(sc);
3221b032f27cSSam Leffler 	iwi_init_locked(sc);
3222b032f27cSSam Leffler 	IWI_UNLOCK(sc);
3223b032f27cSSam Leffler 
3224b032f27cSSam Leffler 	if (ifp->if_drv_flags & IFF_DRV_RUNNING)
3225b032f27cSSam Leffler 		ieee80211_start_all(ic);
3226b032f27cSSam Leffler }
3227b032f27cSSam Leffler 
3228b032f27cSSam Leffler static void
3229b032f27cSSam Leffler iwi_stop_locked(void *priv)
3230b032f27cSSam Leffler {
3231b032f27cSSam Leffler 	struct iwi_softc *sc = priv;
3232b032f27cSSam Leffler 	struct ifnet *ifp = sc->sc_ifp;
3233ceaec73dSDamien Bergamini 
323468e8e04eSSam Leffler 	IWI_LOCK_ASSERT(sc);
3235b032f27cSSam Leffler 
3236b032f27cSSam Leffler 	ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
3237b032f27cSSam Leffler 
3238c10b1400SMax Laier 	if (sc->sc_softled) {
3239c10b1400SMax Laier 		callout_stop(&sc->sc_ledtimer);
3240c10b1400SMax Laier 		sc->sc_blinking = 0;
3241c10b1400SMax Laier 	}
324268e8e04eSSam Leffler 	callout_stop(&sc->sc_wdtimer);
3243b032f27cSSam Leffler 	callout_stop(&sc->sc_rftimer);
3244b032f27cSSam Leffler 
3245ceaec73dSDamien Bergamini 	iwi_stop_master(sc);
3246ceaec73dSDamien Bergamini 
3247ceaec73dSDamien Bergamini 	CSR_WRITE_4(sc, IWI_CSR_RST, IWI_RST_SOFT_RESET);
3248ceaec73dSDamien Bergamini 
3249ceaec73dSDamien Bergamini 	/* reset rings */
3250ceaec73dSDamien Bergamini 	iwi_reset_cmd_ring(sc, &sc->cmdq);
3251ec01dc2bSDamien Bergamini 	iwi_reset_tx_ring(sc, &sc->txq[0]);
3252ec01dc2bSDamien Bergamini 	iwi_reset_tx_ring(sc, &sc->txq[1]);
3253ec01dc2bSDamien Bergamini 	iwi_reset_tx_ring(sc, &sc->txq[2]);
3254ec01dc2bSDamien Bergamini 	iwi_reset_tx_ring(sc, &sc->txq[3]);
3255ceaec73dSDamien Bergamini 	iwi_reset_rx_ring(sc, &sc->rxq);
3256ceaec73dSDamien Bergamini 
3257c10b1400SMax Laier 	sc->sc_tx_timer = 0;
325868e8e04eSSam Leffler 	sc->sc_state_timer = 0;
325968e8e04eSSam Leffler 	sc->sc_busy_timer = 0;
326068e8e04eSSam Leffler 	sc->flags &= ~(IWI_FLAG_BUSY | IWI_FLAG_ASSOCIATED);
326168e8e04eSSam Leffler 	sc->fw_state = IWI_FW_IDLE;
326268e8e04eSSam Leffler 	wakeup(sc);
3263b032f27cSSam Leffler }
3264c10b1400SMax Laier 
3265b032f27cSSam Leffler static void
3266b032f27cSSam Leffler iwi_stop(struct iwi_softc *sc)
3267b032f27cSSam Leffler {
3268b032f27cSSam Leffler 	IWI_LOCK_DECL;
3269b032f27cSSam Leffler 
3270b032f27cSSam Leffler 	IWI_LOCK(sc);
3271b032f27cSSam Leffler 	iwi_stop_locked(sc);
3272b032f27cSSam Leffler 	IWI_UNLOCK(sc);
3273c10b1400SMax Laier }
3274c10b1400SMax Laier 
3275c10b1400SMax Laier static void
3276c10b1400SMax Laier iwi_restart(void *arg, int npending)
3277c10b1400SMax Laier {
3278c10b1400SMax Laier 	struct iwi_softc *sc = arg;
3279c10b1400SMax Laier 
3280b032f27cSSam Leffler 	iwi_init(sc);
3281c10b1400SMax Laier }
3282c10b1400SMax Laier 
3283c10b1400SMax Laier /*
3284c10b1400SMax Laier  * Return whether or not the radio is enabled in hardware
3285c10b1400SMax Laier  * (i.e. the rfkill switch is "off").
3286c10b1400SMax Laier  */
3287c10b1400SMax Laier static int
3288c10b1400SMax Laier iwi_getrfkill(struct iwi_softc *sc)
3289c10b1400SMax Laier {
3290c10b1400SMax Laier 	return (CSR_READ_4(sc, IWI_CSR_IO) & IWI_IO_RADIO_ENABLED) == 0;
3291c10b1400SMax Laier }
3292c10b1400SMax Laier 
3293c10b1400SMax Laier static void
3294c10b1400SMax Laier iwi_radio_on(void *arg, int pending)
3295c10b1400SMax Laier {
3296c10b1400SMax Laier 	struct iwi_softc *sc = arg;
3297b032f27cSSam Leffler 	struct ieee80211com *ic = sc->sc_ifp->if_l2com;
3298c10b1400SMax Laier 
3299c10b1400SMax Laier 	device_printf(sc->sc_dev, "radio turned on\n");
3300b032f27cSSam Leffler 
3301c10b1400SMax Laier 	iwi_init(sc);
3302b032f27cSSam Leffler 	ieee80211_notify_radio(ic, 1);
3303b032f27cSSam Leffler }
3304b032f27cSSam Leffler 
3305b032f27cSSam Leffler static void
3306b032f27cSSam Leffler iwi_rfkill_poll(void *arg)
3307b032f27cSSam Leffler {
3308b032f27cSSam Leffler 	struct iwi_softc *sc = arg;
3309b032f27cSSam Leffler 
3310b032f27cSSam Leffler 	IWI_LOCK_ASSERT(sc);
3311b032f27cSSam Leffler 
3312b032f27cSSam Leffler 	/*
3313b032f27cSSam Leffler 	 * Check for a change in rfkill state.  We get an
3314b032f27cSSam Leffler 	 * interrupt when a radio is disabled but not when
3315b032f27cSSam Leffler 	 * it is enabled so we must poll for the latter.
3316b032f27cSSam Leffler 	 */
3317b032f27cSSam Leffler 	if (!iwi_getrfkill(sc)) {
33185efea30fSAndrew Thompson 		struct ifnet *ifp = sc->sc_ifp;
33195efea30fSAndrew Thompson 		struct ieee80211com *ic = ifp->if_l2com;
33205efea30fSAndrew Thompson 
33215efea30fSAndrew Thompson 		ieee80211_runtask(ic, &sc->sc_radiontask);
3322b032f27cSSam Leffler 		return;
3323b032f27cSSam Leffler 	}
3324b032f27cSSam Leffler 	callout_reset(&sc->sc_rftimer, 2*hz, iwi_rfkill_poll, sc);
3325c10b1400SMax Laier }
3326c10b1400SMax Laier 
3327c10b1400SMax Laier static void
3328c10b1400SMax Laier iwi_radio_off(void *arg, int pending)
3329c10b1400SMax Laier {
3330c10b1400SMax Laier 	struct iwi_softc *sc = arg;
3331b032f27cSSam Leffler 	struct ieee80211com *ic = sc->sc_ifp->if_l2com;
333268e8e04eSSam Leffler 	IWI_LOCK_DECL;
3333c10b1400SMax Laier 
3334c10b1400SMax Laier 	device_printf(sc->sc_dev, "radio turned off\n");
3335b032f27cSSam Leffler 
3336b032f27cSSam Leffler 	ieee80211_notify_radio(ic, 0);
3337b032f27cSSam Leffler 
333868e8e04eSSam Leffler 	IWI_LOCK(sc);
3339b032f27cSSam Leffler 	iwi_stop_locked(sc);
3340b032f27cSSam Leffler 	iwi_rfkill_poll(sc);
334168e8e04eSSam Leffler 	IWI_UNLOCK(sc);
3342ceaec73dSDamien Bergamini }
3343ceaec73dSDamien Bergamini 
3344ceaec73dSDamien Bergamini static int
3345ceaec73dSDamien Bergamini iwi_sysctl_stats(SYSCTL_HANDLER_ARGS)
3346ceaec73dSDamien Bergamini {
3347ceaec73dSDamien Bergamini 	struct iwi_softc *sc = arg1;
3348ceaec73dSDamien Bergamini 	uint32_t size, buf[128];
3349ceaec73dSDamien Bergamini 
3350ceaec73dSDamien Bergamini 	memset(buf, 0, sizeof buf);
33516c3c35e4SPhilip Paeps 
33526c3c35e4SPhilip Paeps 	if (!(sc->flags & IWI_FLAG_FW_INITED))
3353ceaec73dSDamien Bergamini 		return SYSCTL_OUT(req, buf, sizeof buf);
3354ceaec73dSDamien Bergamini 
3355ceaec73dSDamien Bergamini 	size = min(CSR_READ_4(sc, IWI_CSR_TABLE0_SIZE), 128 - 1);
3356ceaec73dSDamien Bergamini 	CSR_READ_REGION_4(sc, IWI_CSR_TABLE0_BASE, &buf[1], size);
3357ceaec73dSDamien Bergamini 
33586c3c35e4SPhilip Paeps 	return SYSCTL_OUT(req, buf, size);
3359ceaec73dSDamien Bergamini }
3360ceaec73dSDamien Bergamini 
3361ceaec73dSDamien Bergamini static int
3362ceaec73dSDamien Bergamini iwi_sysctl_radio(SYSCTL_HANDLER_ARGS)
3363ceaec73dSDamien Bergamini {
3364ceaec73dSDamien Bergamini 	struct iwi_softc *sc = arg1;
3365c10b1400SMax Laier 	int val = !iwi_getrfkill(sc);
3366ceaec73dSDamien Bergamini 
3367ceaec73dSDamien Bergamini 	return SYSCTL_OUT(req, &val, sizeof val);
3368ceaec73dSDamien Bergamini }
3369c10b1400SMax Laier 
3370c10b1400SMax Laier /*
3371c10b1400SMax Laier  * Add sysctl knobs.
3372c10b1400SMax Laier  */
3373c10b1400SMax Laier static void
3374c10b1400SMax Laier iwi_sysctlattach(struct iwi_softc *sc)
3375c10b1400SMax Laier {
3376c10b1400SMax Laier 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
3377c10b1400SMax Laier 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
3378c10b1400SMax Laier 
3379c10b1400SMax Laier 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "radio",
3380c10b1400SMax Laier 	    CTLTYPE_INT | CTLFLAG_RD, sc, 0, iwi_sysctl_radio, "I",
3381c10b1400SMax Laier 	    "radio transmitter switch state (0=off, 1=on)");
3382c10b1400SMax Laier 
3383c10b1400SMax Laier 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "stats",
3384c10b1400SMax Laier 	    CTLTYPE_OPAQUE | CTLFLAG_RD, sc, 0, iwi_sysctl_stats, "S",
3385c10b1400SMax Laier 	    "statistics");
3386c10b1400SMax Laier 
3387c10b1400SMax Laier 	sc->bluetooth = 0;
3388c10b1400SMax Laier 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "bluetooth",
3389c10b1400SMax Laier 	    CTLFLAG_RW, &sc->bluetooth, 0, "bluetooth coexistence");
3390c10b1400SMax Laier 
3391c10b1400SMax Laier 	sc->antenna = IWI_ANTENNA_AUTO;
3392c10b1400SMax Laier 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "antenna",
3393c10b1400SMax Laier 	    CTLFLAG_RW, &sc->antenna, 0, "antenna (0=auto)");
3394c10b1400SMax Laier }
3395c10b1400SMax Laier 
3396c10b1400SMax Laier /*
3397c10b1400SMax Laier  * LED support.
3398c10b1400SMax Laier  *
3399c10b1400SMax Laier  * Different cards have different capabilities.  Some have three
3400c10b1400SMax Laier  * led's while others have only one.  The linux ipw driver defines
3401c10b1400SMax Laier  * led's for link state (associated or not), band (11a, 11g, 11b),
3402c10b1400SMax Laier  * and for link activity.  We use one led and vary the blink rate
3403c10b1400SMax Laier  * according to the tx/rx traffic a la the ath driver.
3404c10b1400SMax Laier  */
3405c10b1400SMax Laier 
3406c10b1400SMax Laier static __inline uint32_t
3407c10b1400SMax Laier iwi_toggle_event(uint32_t r)
3408c10b1400SMax Laier {
3409c10b1400SMax Laier 	return r &~ (IWI_RST_STANDBY | IWI_RST_GATE_ODMA |
3410c10b1400SMax Laier 		     IWI_RST_GATE_IDMA | IWI_RST_GATE_ADMA);
3411c10b1400SMax Laier }
3412c10b1400SMax Laier 
3413c10b1400SMax Laier static uint32_t
3414c10b1400SMax Laier iwi_read_event(struct iwi_softc *sc)
3415c10b1400SMax Laier {
3416c10b1400SMax Laier 	return MEM_READ_4(sc, IWI_MEM_EEPROM_EVENT);
3417c10b1400SMax Laier }
3418c10b1400SMax Laier 
3419c10b1400SMax Laier static void
3420c10b1400SMax Laier iwi_write_event(struct iwi_softc *sc, uint32_t v)
3421c10b1400SMax Laier {
3422c10b1400SMax Laier 	MEM_WRITE_4(sc, IWI_MEM_EEPROM_EVENT, v);
3423c10b1400SMax Laier }
3424c10b1400SMax Laier 
3425c10b1400SMax Laier static void
3426c10b1400SMax Laier iwi_led_done(void *arg)
3427c10b1400SMax Laier {
3428c10b1400SMax Laier 	struct iwi_softc *sc = arg;
3429c10b1400SMax Laier 
3430c10b1400SMax Laier 	sc->sc_blinking = 0;
3431c10b1400SMax Laier }
3432c10b1400SMax Laier 
3433c10b1400SMax Laier /*
3434c10b1400SMax Laier  * Turn the activity LED off: flip the pin and then set a timer so no
3435c10b1400SMax Laier  * update will happen for the specified duration.
3436c10b1400SMax Laier  */
3437c10b1400SMax Laier static void
3438c10b1400SMax Laier iwi_led_off(void *arg)
3439c10b1400SMax Laier {
3440c10b1400SMax Laier 	struct iwi_softc *sc = arg;
3441c10b1400SMax Laier 	uint32_t v;
3442c10b1400SMax Laier 
3443c10b1400SMax Laier 	v = iwi_read_event(sc);
3444c10b1400SMax Laier 	v &= ~sc->sc_ledpin;
3445c10b1400SMax Laier 	iwi_write_event(sc, iwi_toggle_event(v));
3446c10b1400SMax Laier 	callout_reset(&sc->sc_ledtimer, sc->sc_ledoff, iwi_led_done, sc);
3447c10b1400SMax Laier }
3448c10b1400SMax Laier 
3449c10b1400SMax Laier /*
3450c10b1400SMax Laier  * Blink the LED according to the specified on/off times.
3451c10b1400SMax Laier  */
3452c10b1400SMax Laier static void
3453c10b1400SMax Laier iwi_led_blink(struct iwi_softc *sc, int on, int off)
3454c10b1400SMax Laier {
3455c10b1400SMax Laier 	uint32_t v;
3456c10b1400SMax Laier 
3457c10b1400SMax Laier 	v = iwi_read_event(sc);
3458c10b1400SMax Laier 	v |= sc->sc_ledpin;
3459c10b1400SMax Laier 	iwi_write_event(sc, iwi_toggle_event(v));
3460c10b1400SMax Laier 	sc->sc_blinking = 1;
3461c10b1400SMax Laier 	sc->sc_ledoff = off;
3462c10b1400SMax Laier 	callout_reset(&sc->sc_ledtimer, on, iwi_led_off, sc);
3463c10b1400SMax Laier }
3464c10b1400SMax Laier 
3465c10b1400SMax Laier static void
3466c10b1400SMax Laier iwi_led_event(struct iwi_softc *sc, int event)
3467c10b1400SMax Laier {
3468c10b1400SMax Laier #define	N(a)	(sizeof(a)/sizeof(a[0]))
3469c10b1400SMax Laier 	/* NB: on/off times from the Atheros NDIS driver, w/ permission */
3470c10b1400SMax Laier 	static const struct {
3471c10b1400SMax Laier 		u_int		rate;		/* tx/rx iwi rate */
3472c10b1400SMax Laier 		u_int16_t	timeOn;		/* LED on time (ms) */
3473c10b1400SMax Laier 		u_int16_t	timeOff;	/* LED off time (ms) */
3474c10b1400SMax Laier 	} blinkrates[] = {
3475c10b1400SMax Laier 		{ IWI_RATE_OFDM54, 40,  10 },
3476c10b1400SMax Laier 		{ IWI_RATE_OFDM48, 44,  11 },
3477c10b1400SMax Laier 		{ IWI_RATE_OFDM36, 50,  13 },
3478c10b1400SMax Laier 		{ IWI_RATE_OFDM24, 57,  14 },
3479c10b1400SMax Laier 		{ IWI_RATE_OFDM18, 67,  16 },
3480c10b1400SMax Laier 		{ IWI_RATE_OFDM12, 80,  20 },
3481c10b1400SMax Laier 		{ IWI_RATE_DS11,  100,  25 },
3482c10b1400SMax Laier 		{ IWI_RATE_OFDM9, 133,  34 },
3483c10b1400SMax Laier 		{ IWI_RATE_OFDM6, 160,  40 },
3484c10b1400SMax Laier 		{ IWI_RATE_DS5,   200,  50 },
3485c10b1400SMax Laier 		{            6,   240,  58 },	/* XXX 3Mb/s if it existed */
3486c10b1400SMax Laier 		{ IWI_RATE_DS2,   267,  66 },
3487c10b1400SMax Laier 		{ IWI_RATE_DS1,   400, 100 },
3488c10b1400SMax Laier 		{            0,   500, 130 },	/* unknown rate/polling */
3489c10b1400SMax Laier 	};
3490c10b1400SMax Laier 	uint32_t txrate;
3491c10b1400SMax Laier 	int j = 0;			/* XXX silence compiler */
3492c10b1400SMax Laier 
3493c10b1400SMax Laier 	sc->sc_ledevent = ticks;	/* time of last event */
3494c10b1400SMax Laier 	if (sc->sc_blinking)		/* don't interrupt active blink */
3495c10b1400SMax Laier 		return;
3496c10b1400SMax Laier 	switch (event) {
3497c10b1400SMax Laier 	case IWI_LED_POLL:
3498c10b1400SMax Laier 		j = N(blinkrates)-1;
3499c10b1400SMax Laier 		break;
3500c10b1400SMax Laier 	case IWI_LED_TX:
3501c10b1400SMax Laier 		/* read current transmission rate from adapter */
3502c10b1400SMax Laier 		txrate = CSR_READ_4(sc, IWI_CSR_CURRENT_TX_RATE);
3503c10b1400SMax Laier 		if (blinkrates[sc->sc_txrix].rate != txrate) {
3504c10b1400SMax Laier 			for (j = 0; j < N(blinkrates)-1; j++)
3505c10b1400SMax Laier 				if (blinkrates[j].rate == txrate)
3506c10b1400SMax Laier 					break;
3507c10b1400SMax Laier 			sc->sc_txrix = j;
3508c10b1400SMax Laier 		} else
3509c10b1400SMax Laier 			j = sc->sc_txrix;
3510c10b1400SMax Laier 		break;
3511c10b1400SMax Laier 	case IWI_LED_RX:
3512c10b1400SMax Laier 		if (blinkrates[sc->sc_rxrix].rate != sc->sc_rxrate) {
3513c10b1400SMax Laier 			for (j = 0; j < N(blinkrates)-1; j++)
3514c10b1400SMax Laier 				if (blinkrates[j].rate == sc->sc_rxrate)
3515c10b1400SMax Laier 					break;
3516c10b1400SMax Laier 			sc->sc_rxrix = j;
3517c10b1400SMax Laier 		} else
3518c10b1400SMax Laier 			j = sc->sc_rxrix;
3519c10b1400SMax Laier 		break;
3520c10b1400SMax Laier 	}
3521c10b1400SMax Laier 	/* XXX beware of overflow */
3522c10b1400SMax Laier 	iwi_led_blink(sc, (blinkrates[j].timeOn * hz) / 1000,
3523c10b1400SMax Laier 		(blinkrates[j].timeOff * hz) / 1000);
3524c10b1400SMax Laier #undef N
3525c10b1400SMax Laier }
3526c10b1400SMax Laier 
3527c10b1400SMax Laier static int
3528c10b1400SMax Laier iwi_sysctl_softled(SYSCTL_HANDLER_ARGS)
3529c10b1400SMax Laier {
3530c10b1400SMax Laier 	struct iwi_softc *sc = arg1;
3531c10b1400SMax Laier 	int softled = sc->sc_softled;
3532c10b1400SMax Laier 	int error;
3533c10b1400SMax Laier 
3534c10b1400SMax Laier 	error = sysctl_handle_int(oidp, &softled, 0, req);
3535c10b1400SMax Laier 	if (error || !req->newptr)
3536c10b1400SMax Laier 		return error;
3537c10b1400SMax Laier 	softled = (softled != 0);
3538c10b1400SMax Laier 	if (softled != sc->sc_softled) {
3539c10b1400SMax Laier 		if (softled) {
3540c10b1400SMax Laier 			uint32_t v = iwi_read_event(sc);
3541c10b1400SMax Laier 			v &= ~sc->sc_ledpin;
3542c10b1400SMax Laier 			iwi_write_event(sc, iwi_toggle_event(v));
3543c10b1400SMax Laier 		}
3544c10b1400SMax Laier 		sc->sc_softled = softled;
3545c10b1400SMax Laier 	}
3546c10b1400SMax Laier 	return 0;
3547c10b1400SMax Laier }
3548c10b1400SMax Laier 
3549c10b1400SMax Laier static void
3550c10b1400SMax Laier iwi_ledattach(struct iwi_softc *sc)
3551c10b1400SMax Laier {
3552c10b1400SMax Laier 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
3553c10b1400SMax Laier 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
3554c10b1400SMax Laier 
3555c10b1400SMax Laier 	sc->sc_blinking = 0;
3556c10b1400SMax Laier 	sc->sc_ledstate = 1;
3557c10b1400SMax Laier 	sc->sc_ledidle = (2700*hz)/1000;	/* 2.7sec */
3558c10b1400SMax Laier 	callout_init_mtx(&sc->sc_ledtimer, &sc->sc_mtx, 0);
3559c10b1400SMax Laier 
3560c10b1400SMax Laier 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
3561c10b1400SMax Laier 		"softled", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
3562c10b1400SMax Laier 		iwi_sysctl_softled, "I", "enable/disable software LED support");
35636dc7dc9aSMatthew D Fleming 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
3564c10b1400SMax Laier 		"ledpin", CTLFLAG_RW, &sc->sc_ledpin, 0,
3565c10b1400SMax Laier 		"pin setting to turn activity LED on");
35666dc7dc9aSMatthew D Fleming 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
3567c10b1400SMax Laier 		"ledidle", CTLFLAG_RW, &sc->sc_ledidle, 0,
3568c10b1400SMax Laier 		"idle time for inactivity LED (ticks)");
3569c10b1400SMax Laier 	/* XXX for debugging */
35706dc7dc9aSMatthew D Fleming 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
3571c10b1400SMax Laier 		"nictype", CTLFLAG_RD, &sc->sc_nictype, 0,
3572c10b1400SMax Laier 		"NIC type from EEPROM");
3573c10b1400SMax Laier 
3574c10b1400SMax Laier 	sc->sc_ledpin = IWI_RST_LED_ACTIVITY;
3575c10b1400SMax Laier 	sc->sc_softled = 1;
3576c10b1400SMax Laier 
3577c10b1400SMax Laier 	sc->sc_nictype = (iwi_read_prom_word(sc, IWI_EEPROM_NIC) >> 8) & 0xff;
3578c10b1400SMax Laier 	if (sc->sc_nictype == 1) {
3579c10b1400SMax Laier 		/*
3580c10b1400SMax Laier 		 * NB: led's are reversed.
3581c10b1400SMax Laier 		 */
3582c10b1400SMax Laier 		sc->sc_ledpin = IWI_RST_LED_ASSOCIATED;
3583c10b1400SMax Laier 	}
3584c10b1400SMax Laier }
358568e8e04eSSam Leffler 
358668e8e04eSSam Leffler static void
358768e8e04eSSam Leffler iwi_scan_start(struct ieee80211com *ic)
358868e8e04eSSam Leffler {
35895efea30fSAndrew Thompson 	/* ignore */
359068e8e04eSSam Leffler }
359168e8e04eSSam Leffler 
359268e8e04eSSam Leffler static void
359368e8e04eSSam Leffler iwi_set_channel(struct ieee80211com *ic)
359468e8e04eSSam Leffler {
359568e8e04eSSam Leffler 	struct ifnet *ifp = ic->ic_ifp;
359668e8e04eSSam Leffler 	struct iwi_softc *sc = ifp->if_softc;
359768e8e04eSSam Leffler 	if (sc->fw_state == IWI_FW_IDLE)
359868e8e04eSSam Leffler 		iwi_setcurchan(sc, ic->ic_curchan->ic_ieee);
359968e8e04eSSam Leffler }
360068e8e04eSSam Leffler 
360168e8e04eSSam Leffler static void
3602b032f27cSSam Leffler iwi_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell)
360368e8e04eSSam Leffler {
3604b032f27cSSam Leffler 	struct ieee80211vap *vap = ss->ss_vap;
3605b032f27cSSam Leffler 	struct ifnet *ifp = vap->iv_ic->ic_ifp;
360668e8e04eSSam Leffler 	struct iwi_softc *sc = ifp->if_softc;
36075efea30fSAndrew Thompson 	IWI_LOCK_DECL;
360868e8e04eSSam Leffler 
36095efea30fSAndrew Thompson 	IWI_LOCK(sc);
36105efea30fSAndrew Thompson 	if (iwi_scanchan(sc, maxdwell, 0))
36115efea30fSAndrew Thompson 		ieee80211_cancel_scan(vap);
36125efea30fSAndrew Thompson 	IWI_UNLOCK(sc);
361368e8e04eSSam Leffler }
361468e8e04eSSam Leffler 
361568e8e04eSSam Leffler static void
3616b032f27cSSam Leffler iwi_scan_mindwell(struct ieee80211_scan_state *ss)
361768e8e04eSSam Leffler {
361868e8e04eSSam Leffler 	/* NB: don't try to abort scan; wait for firmware to finish */
361968e8e04eSSam Leffler }
362068e8e04eSSam Leffler 
362168e8e04eSSam Leffler static void
362268e8e04eSSam Leffler iwi_scan_end(struct ieee80211com *ic)
362368e8e04eSSam Leffler {
362468e8e04eSSam Leffler 	struct ifnet *ifp = ic->ic_ifp;
362568e8e04eSSam Leffler 	struct iwi_softc *sc = ifp->if_softc;
36265efea30fSAndrew Thompson 	IWI_LOCK_DECL;
362768e8e04eSSam Leffler 
36285efea30fSAndrew Thompson 	IWI_LOCK(sc);
36295efea30fSAndrew Thompson 	sc->flags &= ~IWI_FLAG_CHANNEL_SCAN;
36305efea30fSAndrew Thompson 	/* NB: make sure we're still scanning */
36315efea30fSAndrew Thompson 	if (sc->fw_state == IWI_FW_SCANNING)
36325efea30fSAndrew Thompson 		iwi_cmd(sc, IWI_CMD_ABORT_SCAN, NULL, 0);
36335efea30fSAndrew Thompson 	IWI_UNLOCK(sc);
363468e8e04eSSam Leffler }
3635