xref: /freebsd/sys/dev/usb/wlan/if_rum.c (revision cc9ae76160c4a57f9cc85861ee2181b841838d47)
102ac6454SAndrew Thompson /*	$FreeBSD$	*/
202ac6454SAndrew Thompson 
302ac6454SAndrew Thompson /*-
402ac6454SAndrew Thompson  * Copyright (c) 2005-2007 Damien Bergamini <damien.bergamini@free.fr>
502ac6454SAndrew Thompson  * Copyright (c) 2006 Niall O'Higgins <niallo@openbsd.org>
65d38a4d4SEd Schouten  * Copyright (c) 2007-2008 Hans Petter Selasky <hselasky@FreeBSD.org>
702ac6454SAndrew Thompson  *
802ac6454SAndrew Thompson  * Permission to use, copy, modify, and distribute this software for any
902ac6454SAndrew Thompson  * purpose with or without fee is hereby granted, provided that the above
1002ac6454SAndrew Thompson  * copyright notice and this permission notice appear in all copies.
1102ac6454SAndrew Thompson  *
1202ac6454SAndrew Thompson  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
1302ac6454SAndrew Thompson  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1402ac6454SAndrew Thompson  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
1502ac6454SAndrew Thompson  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
1602ac6454SAndrew Thompson  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
1702ac6454SAndrew Thompson  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
1802ac6454SAndrew Thompson  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1902ac6454SAndrew Thompson  */
2002ac6454SAndrew Thompson 
2102ac6454SAndrew Thompson #include <sys/cdefs.h>
2202ac6454SAndrew Thompson __FBSDID("$FreeBSD$");
2302ac6454SAndrew Thompson 
2402ac6454SAndrew Thompson /*-
2502ac6454SAndrew Thompson  * Ralink Technology RT2501USB/RT2601USB chipset driver
2602ac6454SAndrew Thompson  * http://www.ralinktech.com.tw/
2702ac6454SAndrew Thompson  */
2802ac6454SAndrew Thompson 
295efea30fSAndrew Thompson #include <sys/param.h>
305efea30fSAndrew Thompson #include <sys/sockio.h>
315efea30fSAndrew Thompson #include <sys/sysctl.h>
325efea30fSAndrew Thompson #include <sys/lock.h>
335efea30fSAndrew Thompson #include <sys/mutex.h>
345efea30fSAndrew Thompson #include <sys/mbuf.h>
355efea30fSAndrew Thompson #include <sys/kernel.h>
365efea30fSAndrew Thompson #include <sys/socket.h>
375efea30fSAndrew Thompson #include <sys/systm.h>
385efea30fSAndrew Thompson #include <sys/malloc.h>
395efea30fSAndrew Thompson #include <sys/module.h>
405efea30fSAndrew Thompson #include <sys/bus.h>
415efea30fSAndrew Thompson #include <sys/endian.h>
425efea30fSAndrew Thompson #include <sys/kdb.h>
435efea30fSAndrew Thompson 
445efea30fSAndrew Thompson #include <machine/bus.h>
4567784314SPoul-Henning Kamp #include <machine/resource.h>
4667784314SPoul-Henning Kamp #include <sys/rman.h>
475efea30fSAndrew Thompson 
485efea30fSAndrew Thompson #include <net/bpf.h>
495efea30fSAndrew Thompson #include <net/if.h>
5076039bc8SGleb Smirnoff #include <net/if_var.h>
5167784314SPoul-Henning Kamp #include <net/if_arp.h>
525efea30fSAndrew Thompson #include <net/ethernet.h>
535efea30fSAndrew Thompson #include <net/if_dl.h>
545efea30fSAndrew Thompson #include <net/if_media.h>
555efea30fSAndrew Thompson #include <net/if_types.h>
565efea30fSAndrew Thompson 
575efea30fSAndrew Thompson #ifdef INET
585efea30fSAndrew Thompson #include <netinet/in.h>
595efea30fSAndrew Thompson #include <netinet/in_systm.h>
605efea30fSAndrew Thompson #include <netinet/in_var.h>
615efea30fSAndrew Thompson #include <netinet/if_ether.h>
625efea30fSAndrew Thompson #include <netinet/ip.h>
635efea30fSAndrew Thompson #endif
645efea30fSAndrew Thompson 
655efea30fSAndrew Thompson #include <net80211/ieee80211_var.h>
665efea30fSAndrew Thompson #include <net80211/ieee80211_regdomain.h>
675efea30fSAndrew Thompson #include <net80211/ieee80211_radiotap.h>
68b6108616SRui Paulo #include <net80211/ieee80211_ratectl.h>
6902ac6454SAndrew Thompson 
705efea30fSAndrew Thompson #include <dev/usb/usb.h>
71ed6d949aSAndrew Thompson #include <dev/usb/usbdi.h>
725efea30fSAndrew Thompson #include "usbdevs.h"
7302ac6454SAndrew Thompson 
74ed6d949aSAndrew Thompson #define	USB_DEBUG_VAR rum_debug
75ed6d949aSAndrew Thompson #include <dev/usb/usb_debug.h>
76ed6d949aSAndrew Thompson 
7702ac6454SAndrew Thompson #include <dev/usb/wlan/if_rumreg.h>
7802ac6454SAndrew Thompson #include <dev/usb/wlan/if_rumvar.h>
7902ac6454SAndrew Thompson #include <dev/usb/wlan/if_rumfw.h>
8002ac6454SAndrew Thompson 
81b850ecc1SAndrew Thompson #ifdef USB_DEBUG
8202ac6454SAndrew Thompson static int rum_debug = 0;
8302ac6454SAndrew Thompson 
846472ac3dSEd Schouten static SYSCTL_NODE(_hw_usb, OID_AUTO, rum, CTLFLAG_RW, 0, "USB rum");
85ece4b0bdSHans Petter Selasky SYSCTL_INT(_hw_usb_rum, OID_AUTO, debug, CTLFLAG_RWTUN, &rum_debug, 0,
8602ac6454SAndrew Thompson     "Debug level");
8702ac6454SAndrew Thompson #endif
8802ac6454SAndrew Thompson 
896d917491SHans Petter Selasky #define N(a)	((int)(sizeof (a) / sizeof ((a)[0])))
906d917491SHans Petter Selasky 
91f1a16106SHans Petter Selasky static const STRUCT_USB_HOST_ID rum_devs[] = {
929e6b5313SAndrew Thompson #define	RUM_DEV(v,p)  { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) }
939e6b5313SAndrew Thompson     RUM_DEV(ABOCOM, HWU54DM),
949e6b5313SAndrew Thompson     RUM_DEV(ABOCOM, RT2573_2),
959e6b5313SAndrew Thompson     RUM_DEV(ABOCOM, RT2573_3),
969e6b5313SAndrew Thompson     RUM_DEV(ABOCOM, RT2573_4),
979e6b5313SAndrew Thompson     RUM_DEV(ABOCOM, WUG2700),
989e6b5313SAndrew Thompson     RUM_DEV(AMIT, CGWLUSB2GO),
999e6b5313SAndrew Thompson     RUM_DEV(ASUS, RT2573_1),
1009e6b5313SAndrew Thompson     RUM_DEV(ASUS, RT2573_2),
1019e6b5313SAndrew Thompson     RUM_DEV(BELKIN, F5D7050A),
1029e6b5313SAndrew Thompson     RUM_DEV(BELKIN, F5D9050V3),
1039e6b5313SAndrew Thompson     RUM_DEV(CISCOLINKSYS, WUSB54GC),
1049e6b5313SAndrew Thompson     RUM_DEV(CISCOLINKSYS, WUSB54GR),
1059e6b5313SAndrew Thompson     RUM_DEV(CONCEPTRONIC2, C54RU2),
1069e6b5313SAndrew Thompson     RUM_DEV(COREGA, CGWLUSB2GL),
1079e6b5313SAndrew Thompson     RUM_DEV(COREGA, CGWLUSB2GPX),
1089e6b5313SAndrew Thompson     RUM_DEV(DICKSMITH, CWD854F),
1099e6b5313SAndrew Thompson     RUM_DEV(DICKSMITH, RT2573),
110031c7388SAndrew Thompson     RUM_DEV(EDIMAX, EW7318USG),
1119e6b5313SAndrew Thompson     RUM_DEV(DLINK2, DWLG122C1),
1129e6b5313SAndrew Thompson     RUM_DEV(DLINK2, WUA1340),
1139e6b5313SAndrew Thompson     RUM_DEV(DLINK2, DWA111),
1149e6b5313SAndrew Thompson     RUM_DEV(DLINK2, DWA110),
1159e6b5313SAndrew Thompson     RUM_DEV(GIGABYTE, GNWB01GS),
1169e6b5313SAndrew Thompson     RUM_DEV(GIGABYTE, GNWI05GS),
1179e6b5313SAndrew Thompson     RUM_DEV(GIGASET, RT2573),
1189e6b5313SAndrew Thompson     RUM_DEV(GOODWAY, RT2573),
1199e6b5313SAndrew Thompson     RUM_DEV(GUILLEMOT, HWGUSB254LB),
1209e6b5313SAndrew Thompson     RUM_DEV(GUILLEMOT, HWGUSB254V2AP),
1219e6b5313SAndrew Thompson     RUM_DEV(HUAWEI3COM, WUB320G),
1229e6b5313SAndrew Thompson     RUM_DEV(MELCO, G54HP),
1239e6b5313SAndrew Thompson     RUM_DEV(MELCO, SG54HP),
1243232aae3SHans Petter Selasky     RUM_DEV(MELCO, SG54HG),
12554de08a9SMIHIRA Sanpei Yoshiro     RUM_DEV(MELCO, WLIUCG),
126e11ad60dSHans Petter Selasky     RUM_DEV(MELCO, WLRUCG),
127e11ad60dSHans Petter Selasky     RUM_DEV(MELCO, WLRUCGAOSS),
1289e6b5313SAndrew Thompson     RUM_DEV(MSI, RT2573_1),
1299e6b5313SAndrew Thompson     RUM_DEV(MSI, RT2573_2),
1309e6b5313SAndrew Thompson     RUM_DEV(MSI, RT2573_3),
1319e6b5313SAndrew Thompson     RUM_DEV(MSI, RT2573_4),
1329e6b5313SAndrew Thompson     RUM_DEV(NOVATECH, RT2573),
1339e6b5313SAndrew Thompson     RUM_DEV(PLANEX2, GWUS54HP),
1349e6b5313SAndrew Thompson     RUM_DEV(PLANEX2, GWUS54MINI2),
1359e6b5313SAndrew Thompson     RUM_DEV(PLANEX2, GWUSMM),
1369e6b5313SAndrew Thompson     RUM_DEV(QCOM, RT2573),
1379e6b5313SAndrew Thompson     RUM_DEV(QCOM, RT2573_2),
1389e6b5313SAndrew Thompson     RUM_DEV(QCOM, RT2573_3),
1399e6b5313SAndrew Thompson     RUM_DEV(RALINK, RT2573),
1409e6b5313SAndrew Thompson     RUM_DEV(RALINK, RT2573_2),
1419e6b5313SAndrew Thompson     RUM_DEV(RALINK, RT2671),
1429e6b5313SAndrew Thompson     RUM_DEV(SITECOMEU, WL113R2),
1439e6b5313SAndrew Thompson     RUM_DEV(SITECOMEU, WL172),
1449e6b5313SAndrew Thompson     RUM_DEV(SPARKLAN, RT2573),
1459e6b5313SAndrew Thompson     RUM_DEV(SURECOM, RT2573),
1469e6b5313SAndrew Thompson #undef RUM_DEV
14702ac6454SAndrew Thompson };
14802ac6454SAndrew Thompson 
14902ac6454SAndrew Thompson static device_probe_t rum_match;
15002ac6454SAndrew Thompson static device_attach_t rum_attach;
15102ac6454SAndrew Thompson static device_detach_t rum_detach;
15202ac6454SAndrew Thompson 
153e0a69b51SAndrew Thompson static usb_callback_t rum_bulk_read_callback;
154e0a69b51SAndrew Thompson static usb_callback_t rum_bulk_write_callback;
15502ac6454SAndrew Thompson 
156e0a69b51SAndrew Thompson static usb_error_t	rum_do_request(struct rum_softc *sc,
157760bc48eSAndrew Thompson 			    struct usb_device_request *req, void *data);
15802ac6454SAndrew Thompson static struct ieee80211vap *rum_vap_create(struct ieee80211com *,
159fcd9500fSBernhard Schmidt 			    const char [IFNAMSIZ], int, enum ieee80211_opmode,
160fcd9500fSBernhard Schmidt 			    int, const uint8_t [IEEE80211_ADDR_LEN],
161fcd9500fSBernhard Schmidt 			    const uint8_t [IEEE80211_ADDR_LEN]);
16202ac6454SAndrew Thompson static void		rum_vap_delete(struct ieee80211vap *);
16302ac6454SAndrew Thompson static void		rum_tx_free(struct rum_tx_data *, int);
16402ac6454SAndrew Thompson static void		rum_setup_tx_list(struct rum_softc *);
16502ac6454SAndrew Thompson static void		rum_unsetup_tx_list(struct rum_softc *);
16602ac6454SAndrew Thompson static int		rum_newstate(struct ieee80211vap *,
16702ac6454SAndrew Thompson 			    enum ieee80211_state, int);
16802ac6454SAndrew Thompson static void		rum_setup_tx_desc(struct rum_softc *,
16902ac6454SAndrew Thompson 			    struct rum_tx_desc *, uint32_t, uint16_t, int,
17002ac6454SAndrew Thompson 			    int);
17102ac6454SAndrew Thompson static int		rum_tx_mgt(struct rum_softc *, struct mbuf *,
17202ac6454SAndrew Thompson 			    struct ieee80211_node *);
17302ac6454SAndrew Thompson static int		rum_tx_raw(struct rum_softc *, struct mbuf *,
17402ac6454SAndrew Thompson 			    struct ieee80211_node *,
17502ac6454SAndrew Thompson 			    const struct ieee80211_bpf_params *);
17602ac6454SAndrew Thompson static int		rum_tx_data(struct rum_softc *, struct mbuf *,
17702ac6454SAndrew Thompson 			    struct ieee80211_node *);
1787a79cebfSGleb Smirnoff static int		rum_transmit(struct ieee80211com *, struct mbuf *);
1797a79cebfSGleb Smirnoff static void		rum_start(struct rum_softc *);
1807a79cebfSGleb Smirnoff static void		rum_parent(struct ieee80211com *);
18102ac6454SAndrew Thompson static void		rum_eeprom_read(struct rum_softc *, uint16_t, void *,
18202ac6454SAndrew Thompson 			    int);
18302ac6454SAndrew Thompson static uint32_t		rum_read(struct rum_softc *, uint16_t);
18402ac6454SAndrew Thompson static void		rum_read_multi(struct rum_softc *, uint16_t, void *,
18502ac6454SAndrew Thompson 			    int);
186e0a69b51SAndrew Thompson static usb_error_t	rum_write(struct rum_softc *, uint16_t, uint32_t);
187e0a69b51SAndrew Thompson static usb_error_t	rum_write_multi(struct rum_softc *, uint16_t, void *,
18802ac6454SAndrew Thompson 			    size_t);
189*cc9ae761SAdrian Chadd static int		rum_bbp_busy(struct rum_softc *);
19002ac6454SAndrew Thompson static void		rum_bbp_write(struct rum_softc *, uint8_t, uint8_t);
19102ac6454SAndrew Thompson static uint8_t		rum_bbp_read(struct rum_softc *, uint8_t);
19202ac6454SAndrew Thompson static void		rum_rf_write(struct rum_softc *, uint8_t, uint32_t);
19302ac6454SAndrew Thompson static void		rum_select_antenna(struct rum_softc *);
19402ac6454SAndrew Thompson static void		rum_enable_mrr(struct rum_softc *);
19502ac6454SAndrew Thompson static void		rum_set_txpreamble(struct rum_softc *);
19602ac6454SAndrew Thompson static void		rum_set_basicrates(struct rum_softc *);
19702ac6454SAndrew Thompson static void		rum_select_band(struct rum_softc *,
19802ac6454SAndrew Thompson 			    struct ieee80211_channel *);
19902ac6454SAndrew Thompson static void		rum_set_chan(struct rum_softc *,
20002ac6454SAndrew Thompson 			    struct ieee80211_channel *);
20102ac6454SAndrew Thompson static void		rum_enable_tsf_sync(struct rum_softc *);
2025463c4a4SSam Leffler static void		rum_enable_tsf(struct rum_softc *);
2036d804321SAdrian Chadd static void		rum_abort_tsf_sync(struct rum_softc *);
2047a79cebfSGleb Smirnoff static void		rum_update_slot(struct rum_softc *);
20502ac6454SAndrew Thompson static void		rum_set_bssid(struct rum_softc *, const uint8_t *);
20602ac6454SAndrew Thompson static void		rum_set_macaddr(struct rum_softc *, const uint8_t *);
207272f6adeSGleb Smirnoff static void		rum_update_mcast(struct ieee80211com *);
208272f6adeSGleb Smirnoff static void		rum_update_promisc(struct ieee80211com *);
2095efea30fSAndrew Thompson static void		rum_setpromisc(struct rum_softc *);
21002ac6454SAndrew Thompson static const char	*rum_get_rf(int);
21102ac6454SAndrew Thompson static void		rum_read_eeprom(struct rum_softc *);
21202ac6454SAndrew Thompson static int		rum_bbp_init(struct rum_softc *);
2137a79cebfSGleb Smirnoff static void		rum_init(struct rum_softc *);
2145efea30fSAndrew Thompson static void		rum_stop(struct rum_softc *);
21577ddf3d3SAndrew Thompson static void		rum_load_microcode(struct rum_softc *, const uint8_t *,
21602ac6454SAndrew Thompson 			    size_t);
217f620e64dSKevin Lo static void		rum_prepare_beacon(struct rum_softc *,
21802ac6454SAndrew Thompson 			    struct ieee80211vap *);
21902ac6454SAndrew Thompson static int		rum_raw_xmit(struct ieee80211_node *, struct mbuf *,
22002ac6454SAndrew Thompson 			    const struct ieee80211_bpf_params *);
22102ac6454SAndrew Thompson static void		rum_scan_start(struct ieee80211com *);
22202ac6454SAndrew Thompson static void		rum_scan_end(struct ieee80211com *);
22302ac6454SAndrew Thompson static void		rum_set_channel(struct ieee80211com *);
22402ac6454SAndrew Thompson static int		rum_get_rssi(struct rum_softc *, uint8_t);
225b6108616SRui Paulo static void		rum_ratectl_start(struct rum_softc *,
22602ac6454SAndrew Thompson 			    struct ieee80211_node *);
227b6108616SRui Paulo static void		rum_ratectl_timeout(void *);
228b6108616SRui Paulo static void		rum_ratectl_task(void *, int);
22902ac6454SAndrew Thompson static int		rum_pause(struct rum_softc *, int);
23002ac6454SAndrew Thompson 
23102ac6454SAndrew Thompson static const struct {
23202ac6454SAndrew Thompson 	uint32_t	reg;
23302ac6454SAndrew Thompson 	uint32_t	val;
23402ac6454SAndrew Thompson } rum_def_mac[] = {
23502ac6454SAndrew Thompson 	{ RT2573_TXRX_CSR0,  0x025fb032 },
23602ac6454SAndrew Thompson 	{ RT2573_TXRX_CSR1,  0x9eaa9eaf },
23702ac6454SAndrew Thompson 	{ RT2573_TXRX_CSR2,  0x8a8b8c8d },
23802ac6454SAndrew Thompson 	{ RT2573_TXRX_CSR3,  0x00858687 },
23902ac6454SAndrew Thompson 	{ RT2573_TXRX_CSR7,  0x2e31353b },
24002ac6454SAndrew Thompson 	{ RT2573_TXRX_CSR8,  0x2a2a2a2c },
24102ac6454SAndrew Thompson 	{ RT2573_TXRX_CSR15, 0x0000000f },
24202ac6454SAndrew Thompson 	{ RT2573_MAC_CSR6,   0x00000fff },
24302ac6454SAndrew Thompson 	{ RT2573_MAC_CSR8,   0x016c030a },
24402ac6454SAndrew Thompson 	{ RT2573_MAC_CSR10,  0x00000718 },
24502ac6454SAndrew Thompson 	{ RT2573_MAC_CSR12,  0x00000004 },
24602ac6454SAndrew Thompson 	{ RT2573_MAC_CSR13,  0x00007f00 },
24702ac6454SAndrew Thompson 	{ RT2573_SEC_CSR0,   0x00000000 },
24802ac6454SAndrew Thompson 	{ RT2573_SEC_CSR1,   0x00000000 },
24902ac6454SAndrew Thompson 	{ RT2573_SEC_CSR5,   0x00000000 },
25002ac6454SAndrew Thompson 	{ RT2573_PHY_CSR1,   0x000023b0 },
25102ac6454SAndrew Thompson 	{ RT2573_PHY_CSR5,   0x00040a06 },
25202ac6454SAndrew Thompson 	{ RT2573_PHY_CSR6,   0x00080606 },
25302ac6454SAndrew Thompson 	{ RT2573_PHY_CSR7,   0x00000408 },
25402ac6454SAndrew Thompson 	{ RT2573_AIFSN_CSR,  0x00002273 },
25502ac6454SAndrew Thompson 	{ RT2573_CWMIN_CSR,  0x00002344 },
25602ac6454SAndrew Thompson 	{ RT2573_CWMAX_CSR,  0x000034aa }
25702ac6454SAndrew Thompson };
25802ac6454SAndrew Thompson 
25902ac6454SAndrew Thompson static const struct {
26002ac6454SAndrew Thompson 	uint8_t	reg;
26102ac6454SAndrew Thompson 	uint8_t	val;
26202ac6454SAndrew Thompson } rum_def_bbp[] = {
26302ac6454SAndrew Thompson 	{   3, 0x80 },
26402ac6454SAndrew Thompson 	{  15, 0x30 },
26502ac6454SAndrew Thompson 	{  17, 0x20 },
26602ac6454SAndrew Thompson 	{  21, 0xc8 },
26702ac6454SAndrew Thompson 	{  22, 0x38 },
26802ac6454SAndrew Thompson 	{  23, 0x06 },
26902ac6454SAndrew Thompson 	{  24, 0xfe },
27002ac6454SAndrew Thompson 	{  25, 0x0a },
27102ac6454SAndrew Thompson 	{  26, 0x0d },
27202ac6454SAndrew Thompson 	{  32, 0x0b },
27302ac6454SAndrew Thompson 	{  34, 0x12 },
27402ac6454SAndrew Thompson 	{  37, 0x07 },
27502ac6454SAndrew Thompson 	{  39, 0xf8 },
27602ac6454SAndrew Thompson 	{  41, 0x60 },
27702ac6454SAndrew Thompson 	{  53, 0x10 },
27802ac6454SAndrew Thompson 	{  54, 0x18 },
27902ac6454SAndrew Thompson 	{  60, 0x10 },
28002ac6454SAndrew Thompson 	{  61, 0x04 },
28102ac6454SAndrew Thompson 	{  62, 0x04 },
28202ac6454SAndrew Thompson 	{  75, 0xfe },
28302ac6454SAndrew Thompson 	{  86, 0xfe },
28402ac6454SAndrew Thompson 	{  88, 0xfe },
28502ac6454SAndrew Thompson 	{  90, 0x0f },
28602ac6454SAndrew Thompson 	{  99, 0x00 },
28702ac6454SAndrew Thompson 	{ 102, 0x16 },
28802ac6454SAndrew Thompson 	{ 107, 0x04 }
28902ac6454SAndrew Thompson };
29002ac6454SAndrew Thompson 
29102ac6454SAndrew Thompson static const struct rfprog {
29202ac6454SAndrew Thompson 	uint8_t		chan;
29302ac6454SAndrew Thompson 	uint32_t	r1, r2, r3, r4;
29402ac6454SAndrew Thompson }  rum_rf5226[] = {
29502ac6454SAndrew Thompson 	{   1, 0x00b03, 0x001e1, 0x1a014, 0x30282 },
29602ac6454SAndrew Thompson 	{   2, 0x00b03, 0x001e1, 0x1a014, 0x30287 },
29702ac6454SAndrew Thompson 	{   3, 0x00b03, 0x001e2, 0x1a014, 0x30282 },
29802ac6454SAndrew Thompson 	{   4, 0x00b03, 0x001e2, 0x1a014, 0x30287 },
29902ac6454SAndrew Thompson 	{   5, 0x00b03, 0x001e3, 0x1a014, 0x30282 },
30002ac6454SAndrew Thompson 	{   6, 0x00b03, 0x001e3, 0x1a014, 0x30287 },
30102ac6454SAndrew Thompson 	{   7, 0x00b03, 0x001e4, 0x1a014, 0x30282 },
30202ac6454SAndrew Thompson 	{   8, 0x00b03, 0x001e4, 0x1a014, 0x30287 },
30302ac6454SAndrew Thompson 	{   9, 0x00b03, 0x001e5, 0x1a014, 0x30282 },
30402ac6454SAndrew Thompson 	{  10, 0x00b03, 0x001e5, 0x1a014, 0x30287 },
30502ac6454SAndrew Thompson 	{  11, 0x00b03, 0x001e6, 0x1a014, 0x30282 },
30602ac6454SAndrew Thompson 	{  12, 0x00b03, 0x001e6, 0x1a014, 0x30287 },
30702ac6454SAndrew Thompson 	{  13, 0x00b03, 0x001e7, 0x1a014, 0x30282 },
30802ac6454SAndrew Thompson 	{  14, 0x00b03, 0x001e8, 0x1a014, 0x30284 },
30902ac6454SAndrew Thompson 
31002ac6454SAndrew Thompson 	{  34, 0x00b03, 0x20266, 0x36014, 0x30282 },
31102ac6454SAndrew Thompson 	{  38, 0x00b03, 0x20267, 0x36014, 0x30284 },
31202ac6454SAndrew Thompson 	{  42, 0x00b03, 0x20268, 0x36014, 0x30286 },
31302ac6454SAndrew Thompson 	{  46, 0x00b03, 0x20269, 0x36014, 0x30288 },
31402ac6454SAndrew Thompson 
31502ac6454SAndrew Thompson 	{  36, 0x00b03, 0x00266, 0x26014, 0x30288 },
31602ac6454SAndrew Thompson 	{  40, 0x00b03, 0x00268, 0x26014, 0x30280 },
31702ac6454SAndrew Thompson 	{  44, 0x00b03, 0x00269, 0x26014, 0x30282 },
31802ac6454SAndrew Thompson 	{  48, 0x00b03, 0x0026a, 0x26014, 0x30284 },
31902ac6454SAndrew Thompson 	{  52, 0x00b03, 0x0026b, 0x26014, 0x30286 },
32002ac6454SAndrew Thompson 	{  56, 0x00b03, 0x0026c, 0x26014, 0x30288 },
32102ac6454SAndrew Thompson 	{  60, 0x00b03, 0x0026e, 0x26014, 0x30280 },
32202ac6454SAndrew Thompson 	{  64, 0x00b03, 0x0026f, 0x26014, 0x30282 },
32302ac6454SAndrew Thompson 
32402ac6454SAndrew Thompson 	{ 100, 0x00b03, 0x0028a, 0x2e014, 0x30280 },
32502ac6454SAndrew Thompson 	{ 104, 0x00b03, 0x0028b, 0x2e014, 0x30282 },
32602ac6454SAndrew Thompson 	{ 108, 0x00b03, 0x0028c, 0x2e014, 0x30284 },
32702ac6454SAndrew Thompson 	{ 112, 0x00b03, 0x0028d, 0x2e014, 0x30286 },
32802ac6454SAndrew Thompson 	{ 116, 0x00b03, 0x0028e, 0x2e014, 0x30288 },
32902ac6454SAndrew Thompson 	{ 120, 0x00b03, 0x002a0, 0x2e014, 0x30280 },
33002ac6454SAndrew Thompson 	{ 124, 0x00b03, 0x002a1, 0x2e014, 0x30282 },
33102ac6454SAndrew Thompson 	{ 128, 0x00b03, 0x002a2, 0x2e014, 0x30284 },
33202ac6454SAndrew Thompson 	{ 132, 0x00b03, 0x002a3, 0x2e014, 0x30286 },
33302ac6454SAndrew Thompson 	{ 136, 0x00b03, 0x002a4, 0x2e014, 0x30288 },
33402ac6454SAndrew Thompson 	{ 140, 0x00b03, 0x002a6, 0x2e014, 0x30280 },
33502ac6454SAndrew Thompson 
33602ac6454SAndrew Thompson 	{ 149, 0x00b03, 0x002a8, 0x2e014, 0x30287 },
33702ac6454SAndrew Thompson 	{ 153, 0x00b03, 0x002a9, 0x2e014, 0x30289 },
33802ac6454SAndrew Thompson 	{ 157, 0x00b03, 0x002ab, 0x2e014, 0x30281 },
33902ac6454SAndrew Thompson 	{ 161, 0x00b03, 0x002ac, 0x2e014, 0x30283 },
34002ac6454SAndrew Thompson 	{ 165, 0x00b03, 0x002ad, 0x2e014, 0x30285 }
34102ac6454SAndrew Thompson }, rum_rf5225[] = {
34202ac6454SAndrew Thompson 	{   1, 0x00b33, 0x011e1, 0x1a014, 0x30282 },
34302ac6454SAndrew Thompson 	{   2, 0x00b33, 0x011e1, 0x1a014, 0x30287 },
34402ac6454SAndrew Thompson 	{   3, 0x00b33, 0x011e2, 0x1a014, 0x30282 },
34502ac6454SAndrew Thompson 	{   4, 0x00b33, 0x011e2, 0x1a014, 0x30287 },
34602ac6454SAndrew Thompson 	{   5, 0x00b33, 0x011e3, 0x1a014, 0x30282 },
34702ac6454SAndrew Thompson 	{   6, 0x00b33, 0x011e3, 0x1a014, 0x30287 },
34802ac6454SAndrew Thompson 	{   7, 0x00b33, 0x011e4, 0x1a014, 0x30282 },
34902ac6454SAndrew Thompson 	{   8, 0x00b33, 0x011e4, 0x1a014, 0x30287 },
35002ac6454SAndrew Thompson 	{   9, 0x00b33, 0x011e5, 0x1a014, 0x30282 },
35102ac6454SAndrew Thompson 	{  10, 0x00b33, 0x011e5, 0x1a014, 0x30287 },
35202ac6454SAndrew Thompson 	{  11, 0x00b33, 0x011e6, 0x1a014, 0x30282 },
35302ac6454SAndrew Thompson 	{  12, 0x00b33, 0x011e6, 0x1a014, 0x30287 },
35402ac6454SAndrew Thompson 	{  13, 0x00b33, 0x011e7, 0x1a014, 0x30282 },
35502ac6454SAndrew Thompson 	{  14, 0x00b33, 0x011e8, 0x1a014, 0x30284 },
35602ac6454SAndrew Thompson 
35702ac6454SAndrew Thompson 	{  34, 0x00b33, 0x01266, 0x26014, 0x30282 },
35802ac6454SAndrew Thompson 	{  38, 0x00b33, 0x01267, 0x26014, 0x30284 },
35902ac6454SAndrew Thompson 	{  42, 0x00b33, 0x01268, 0x26014, 0x30286 },
36002ac6454SAndrew Thompson 	{  46, 0x00b33, 0x01269, 0x26014, 0x30288 },
36102ac6454SAndrew Thompson 
36202ac6454SAndrew Thompson 	{  36, 0x00b33, 0x01266, 0x26014, 0x30288 },
36302ac6454SAndrew Thompson 	{  40, 0x00b33, 0x01268, 0x26014, 0x30280 },
36402ac6454SAndrew Thompson 	{  44, 0x00b33, 0x01269, 0x26014, 0x30282 },
36502ac6454SAndrew Thompson 	{  48, 0x00b33, 0x0126a, 0x26014, 0x30284 },
36602ac6454SAndrew Thompson 	{  52, 0x00b33, 0x0126b, 0x26014, 0x30286 },
36702ac6454SAndrew Thompson 	{  56, 0x00b33, 0x0126c, 0x26014, 0x30288 },
36802ac6454SAndrew Thompson 	{  60, 0x00b33, 0x0126e, 0x26014, 0x30280 },
36902ac6454SAndrew Thompson 	{  64, 0x00b33, 0x0126f, 0x26014, 0x30282 },
37002ac6454SAndrew Thompson 
37102ac6454SAndrew Thompson 	{ 100, 0x00b33, 0x0128a, 0x2e014, 0x30280 },
37202ac6454SAndrew Thompson 	{ 104, 0x00b33, 0x0128b, 0x2e014, 0x30282 },
37302ac6454SAndrew Thompson 	{ 108, 0x00b33, 0x0128c, 0x2e014, 0x30284 },
37402ac6454SAndrew Thompson 	{ 112, 0x00b33, 0x0128d, 0x2e014, 0x30286 },
37502ac6454SAndrew Thompson 	{ 116, 0x00b33, 0x0128e, 0x2e014, 0x30288 },
37602ac6454SAndrew Thompson 	{ 120, 0x00b33, 0x012a0, 0x2e014, 0x30280 },
37702ac6454SAndrew Thompson 	{ 124, 0x00b33, 0x012a1, 0x2e014, 0x30282 },
37802ac6454SAndrew Thompson 	{ 128, 0x00b33, 0x012a2, 0x2e014, 0x30284 },
37902ac6454SAndrew Thompson 	{ 132, 0x00b33, 0x012a3, 0x2e014, 0x30286 },
38002ac6454SAndrew Thompson 	{ 136, 0x00b33, 0x012a4, 0x2e014, 0x30288 },
38102ac6454SAndrew Thompson 	{ 140, 0x00b33, 0x012a6, 0x2e014, 0x30280 },
38202ac6454SAndrew Thompson 
38302ac6454SAndrew Thompson 	{ 149, 0x00b33, 0x012a8, 0x2e014, 0x30287 },
38402ac6454SAndrew Thompson 	{ 153, 0x00b33, 0x012a9, 0x2e014, 0x30289 },
38502ac6454SAndrew Thompson 	{ 157, 0x00b33, 0x012ab, 0x2e014, 0x30281 },
38602ac6454SAndrew Thompson 	{ 161, 0x00b33, 0x012ac, 0x2e014, 0x30283 },
38702ac6454SAndrew Thompson 	{ 165, 0x00b33, 0x012ad, 0x2e014, 0x30285 }
38802ac6454SAndrew Thompson };
38902ac6454SAndrew Thompson 
390760bc48eSAndrew Thompson static const struct usb_config rum_config[RUM_N_TRANSFER] = {
39102ac6454SAndrew Thompson 	[RUM_BULK_WR] = {
39202ac6454SAndrew Thompson 		.type = UE_BULK,
39302ac6454SAndrew Thompson 		.endpoint = UE_ADDR_ANY,
39402ac6454SAndrew Thompson 		.direction = UE_DIR_OUT,
3954eae601eSAndrew Thompson 		.bufsize = (MCLBYTES + RT2573_TX_DESC_SIZE + 8),
3964eae601eSAndrew Thompson 		.flags = {.pipe_bof = 1,.force_short_xfer = 1,},
3974eae601eSAndrew Thompson 		.callback = rum_bulk_write_callback,
3984eae601eSAndrew Thompson 		.timeout = 5000,	/* ms */
39902ac6454SAndrew Thompson 	},
40002ac6454SAndrew Thompson 	[RUM_BULK_RD] = {
40102ac6454SAndrew Thompson 		.type = UE_BULK,
40202ac6454SAndrew Thompson 		.endpoint = UE_ADDR_ANY,
40302ac6454SAndrew Thompson 		.direction = UE_DIR_IN,
4044eae601eSAndrew Thompson 		.bufsize = (MCLBYTES + RT2573_RX_DESC_SIZE),
4054eae601eSAndrew Thompson 		.flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
4064eae601eSAndrew Thompson 		.callback = rum_bulk_read_callback,
40702ac6454SAndrew Thompson 	},
40802ac6454SAndrew Thompson };
40902ac6454SAndrew Thompson 
41002ac6454SAndrew Thompson static int
41102ac6454SAndrew Thompson rum_match(device_t self)
41202ac6454SAndrew Thompson {
413760bc48eSAndrew Thompson 	struct usb_attach_arg *uaa = device_get_ivars(self);
41402ac6454SAndrew Thompson 
415f29a0724SAndrew Thompson 	if (uaa->usb_mode != USB_MODE_HOST)
41602ac6454SAndrew Thompson 		return (ENXIO);
41702ac6454SAndrew Thompson 	if (uaa->info.bConfigIndex != 0)
41802ac6454SAndrew Thompson 		return (ENXIO);
41902ac6454SAndrew Thompson 	if (uaa->info.bIfaceIndex != RT2573_IFACE_INDEX)
42002ac6454SAndrew Thompson 		return (ENXIO);
42102ac6454SAndrew Thompson 
422a593f6b8SAndrew Thompson 	return (usbd_lookup_id_by_uaa(rum_devs, sizeof(rum_devs), uaa));
42302ac6454SAndrew Thompson }
42402ac6454SAndrew Thompson 
42502ac6454SAndrew Thompson static int
42602ac6454SAndrew Thompson rum_attach(device_t self)
42702ac6454SAndrew Thompson {
428760bc48eSAndrew Thompson 	struct usb_attach_arg *uaa = device_get_ivars(self);
42902ac6454SAndrew Thompson 	struct rum_softc *sc = device_get_softc(self);
4307a79cebfSGleb Smirnoff 	struct ieee80211com *ic = &sc->sc_ic;
4315efea30fSAndrew Thompson 	uint8_t iface_index, bands;
4325efea30fSAndrew Thompson 	uint32_t tmp;
4335efea30fSAndrew Thompson 	int error, ntries;
43402ac6454SAndrew Thompson 
435a593f6b8SAndrew Thompson 	device_set_usb_desc(self);
43602ac6454SAndrew Thompson 	sc->sc_udev = uaa->device;
43702ac6454SAndrew Thompson 	sc->sc_dev = self;
43802ac6454SAndrew Thompson 
43902ac6454SAndrew Thompson 	mtx_init(&sc->sc_mtx, device_get_nameunit(self),
44002ac6454SAndrew Thompson 	    MTX_NETWORK_LOCK, MTX_DEF);
4417a79cebfSGleb Smirnoff 	mbufq_init(&sc->sc_snd, ifqmaxlen);
44202ac6454SAndrew Thompson 
44302ac6454SAndrew Thompson 	iface_index = RT2573_IFACE_INDEX;
444a593f6b8SAndrew Thompson 	error = usbd_transfer_setup(uaa->device, &iface_index,
44502ac6454SAndrew Thompson 	    sc->sc_xfer, rum_config, RUM_N_TRANSFER, sc, &sc->sc_mtx);
44602ac6454SAndrew Thompson 	if (error) {
44702ac6454SAndrew Thompson 		device_printf(self, "could not allocate USB transfers, "
448a593f6b8SAndrew Thompson 		    "err=%s\n", usbd_errstr(error));
44902ac6454SAndrew Thompson 		goto detach;
45002ac6454SAndrew Thompson 	}
45102ac6454SAndrew Thompson 
45202ac6454SAndrew Thompson 	RUM_LOCK(sc);
45302ac6454SAndrew Thompson 	/* retrieve RT2573 rev. no */
45402ac6454SAndrew Thompson 	for (ntries = 0; ntries < 100; ntries++) {
45502ac6454SAndrew Thompson 		if ((tmp = rum_read(sc, RT2573_MAC_CSR0)) != 0)
45602ac6454SAndrew Thompson 			break;
45702ac6454SAndrew Thompson 		if (rum_pause(sc, hz / 100))
45802ac6454SAndrew Thompson 			break;
45902ac6454SAndrew Thompson 	}
46002ac6454SAndrew Thompson 	if (ntries == 100) {
46102ac6454SAndrew Thompson 		device_printf(sc->sc_dev, "timeout waiting for chip to settle\n");
4625efea30fSAndrew Thompson 		RUM_UNLOCK(sc);
4635efea30fSAndrew Thompson 		goto detach;
46402ac6454SAndrew Thompson 	}
46502ac6454SAndrew Thompson 
46602ac6454SAndrew Thompson 	/* retrieve MAC address and various other things from EEPROM */
46702ac6454SAndrew Thompson 	rum_read_eeprom(sc);
46802ac6454SAndrew Thompson 
46902ac6454SAndrew Thompson 	device_printf(sc->sc_dev, "MAC/BBP RT2573 (rev 0x%05x), RF %s\n",
47002ac6454SAndrew Thompson 	    tmp, rum_get_rf(sc->rf_rev));
47102ac6454SAndrew Thompson 
47277ddf3d3SAndrew Thompson 	rum_load_microcode(sc, rt2573_ucode, sizeof(rt2573_ucode));
47302ac6454SAndrew Thompson 	RUM_UNLOCK(sc);
47402ac6454SAndrew Thompson 
47559686fe9SGleb Smirnoff 	ic->ic_softc = sc;
476c8550c02SGleb Smirnoff 	ic->ic_name = device_get_nameunit(self);
47702ac6454SAndrew Thompson 	ic->ic_phytype = IEEE80211_T_OFDM;	/* not only, but not used */
47802ac6454SAndrew Thompson 
47902ac6454SAndrew Thompson 	/* set device capabilities */
48002ac6454SAndrew Thompson 	ic->ic_caps =
48102ac6454SAndrew Thompson 	      IEEE80211_C_STA		/* station mode supported */
48202ac6454SAndrew Thompson 	    | IEEE80211_C_IBSS		/* IBSS mode supported */
48302ac6454SAndrew Thompson 	    | IEEE80211_C_MONITOR	/* monitor mode supported */
48402ac6454SAndrew Thompson 	    | IEEE80211_C_HOSTAP	/* HostAp mode supported */
48502ac6454SAndrew Thompson 	    | IEEE80211_C_TXPMGT	/* tx power management */
48602ac6454SAndrew Thompson 	    | IEEE80211_C_SHPREAMBLE	/* short preamble supported */
48702ac6454SAndrew Thompson 	    | IEEE80211_C_SHSLOT	/* short slot time supported */
48802ac6454SAndrew Thompson 	    | IEEE80211_C_BGSCAN	/* bg scanning supported */
48902ac6454SAndrew Thompson 	    | IEEE80211_C_WPA		/* 802.11i */
49002ac6454SAndrew Thompson 	    ;
49102ac6454SAndrew Thompson 
49202ac6454SAndrew Thompson 	bands = 0;
49302ac6454SAndrew Thompson 	setbit(&bands, IEEE80211_MODE_11B);
49402ac6454SAndrew Thompson 	setbit(&bands, IEEE80211_MODE_11G);
49502ac6454SAndrew Thompson 	if (sc->rf_rev == RT2573_RF_5225 || sc->rf_rev == RT2573_RF_5226)
49602ac6454SAndrew Thompson 		setbit(&bands, IEEE80211_MODE_11A);
49702ac6454SAndrew Thompson 	ieee80211_init_channels(ic, NULL, &bands);
49802ac6454SAndrew Thompson 
4997a79cebfSGleb Smirnoff 	ieee80211_ifattach(ic);
50077ddf3d3SAndrew Thompson 	ic->ic_update_promisc = rum_update_promisc;
50102ac6454SAndrew Thompson 	ic->ic_raw_xmit = rum_raw_xmit;
50202ac6454SAndrew Thompson 	ic->ic_scan_start = rum_scan_start;
50302ac6454SAndrew Thompson 	ic->ic_scan_end = rum_scan_end;
50402ac6454SAndrew Thompson 	ic->ic_set_channel = rum_set_channel;
5057a79cebfSGleb Smirnoff 	ic->ic_transmit = rum_transmit;
5067a79cebfSGleb Smirnoff 	ic->ic_parent = rum_parent;
50702ac6454SAndrew Thompson 	ic->ic_vap_create = rum_vap_create;
50802ac6454SAndrew Thompson 	ic->ic_vap_delete = rum_vap_delete;
5096dd8e071SEd Maste 	ic->ic_update_mcast = rum_update_mcast;
51002ac6454SAndrew Thompson 
5115463c4a4SSam Leffler 	ieee80211_radiotap_attach(ic,
5125463c4a4SSam Leffler 	    &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap),
5135463c4a4SSam Leffler 		RT2573_TX_RADIOTAP_PRESENT,
5145463c4a4SSam Leffler 	    &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap),
5155463c4a4SSam Leffler 		RT2573_RX_RADIOTAP_PRESENT);
51602ac6454SAndrew Thompson 
51702ac6454SAndrew Thompson 	if (bootverbose)
51802ac6454SAndrew Thompson 		ieee80211_announce(ic);
51902ac6454SAndrew Thompson 
5205efea30fSAndrew Thompson 	return (0);
5215efea30fSAndrew Thompson 
5225efea30fSAndrew Thompson detach:
5235efea30fSAndrew Thompson 	rum_detach(self);
5245efea30fSAndrew Thompson 	return (ENXIO);			/* failure */
52502ac6454SAndrew Thompson }
52602ac6454SAndrew Thompson 
52702ac6454SAndrew Thompson static int
52802ac6454SAndrew Thompson rum_detach(device_t self)
52902ac6454SAndrew Thompson {
53002ac6454SAndrew Thompson 	struct rum_softc *sc = device_get_softc(self);
53102ac6454SAndrew Thompson 
532645e4d17SHans Petter Selasky 	/* Prevent further ioctls */
533645e4d17SHans Petter Selasky 	RUM_LOCK(sc);
534645e4d17SHans Petter Selasky 	sc->sc_detached = 1;
535645e4d17SHans Petter Selasky 	RUM_UNLOCK(sc);
536645e4d17SHans Petter Selasky 
53702ac6454SAndrew Thompson 	/* stop all USB transfers */
538a593f6b8SAndrew Thompson 	usbd_transfer_unsetup(sc->sc_xfer, RUM_N_TRANSFER);
53902ac6454SAndrew Thompson 
54002ac6454SAndrew Thompson 	/* free TX list, if any */
54102ac6454SAndrew Thompson 	RUM_LOCK(sc);
54202ac6454SAndrew Thompson 	rum_unsetup_tx_list(sc);
54302ac6454SAndrew Thompson 	RUM_UNLOCK(sc);
54402ac6454SAndrew Thompson 
5457a79cebfSGleb Smirnoff 	if (sc->sc_ic.ic_softc == sc)
5467a79cebfSGleb Smirnoff 		ieee80211_ifdetach(&sc->sc_ic);
5477a79cebfSGleb Smirnoff 	mbufq_drain(&sc->sc_snd);
54802ac6454SAndrew Thompson 	mtx_destroy(&sc->sc_mtx);
54902ac6454SAndrew Thompson 	return (0);
55002ac6454SAndrew Thompson }
55102ac6454SAndrew Thompson 
552e0a69b51SAndrew Thompson static usb_error_t
55377ddf3d3SAndrew Thompson rum_do_request(struct rum_softc *sc,
554760bc48eSAndrew Thompson     struct usb_device_request *req, void *data)
55577ddf3d3SAndrew Thompson {
556e0a69b51SAndrew Thompson 	usb_error_t err;
55777ddf3d3SAndrew Thompson 	int ntries = 10;
55877ddf3d3SAndrew Thompson 
55977ddf3d3SAndrew Thompson 	while (ntries--) {
560a593f6b8SAndrew Thompson 		err = usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx,
56177ddf3d3SAndrew Thompson 		    req, data, 0, NULL, 250 /* ms */);
56277ddf3d3SAndrew Thompson 		if (err == 0)
56377ddf3d3SAndrew Thompson 			break;
56477ddf3d3SAndrew Thompson 
56577ddf3d3SAndrew Thompson 		DPRINTFN(1, "Control request failed, %s (retrying)\n",
566a593f6b8SAndrew Thompson 		    usbd_errstr(err));
56777ddf3d3SAndrew Thompson 		if (rum_pause(sc, hz / 100))
56877ddf3d3SAndrew Thompson 			break;
56977ddf3d3SAndrew Thompson 	}
57077ddf3d3SAndrew Thompson 	return (err);
57177ddf3d3SAndrew Thompson }
57277ddf3d3SAndrew Thompson 
57302ac6454SAndrew Thompson static struct ieee80211vap *
574fcd9500fSBernhard Schmidt rum_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit,
575fcd9500fSBernhard Schmidt     enum ieee80211_opmode opmode, int flags,
57602ac6454SAndrew Thompson     const uint8_t bssid[IEEE80211_ADDR_LEN],
57702ac6454SAndrew Thompson     const uint8_t mac[IEEE80211_ADDR_LEN])
57802ac6454SAndrew Thompson {
579d3fdd08cSAdrian Chadd 	struct rum_softc *sc = ic->ic_softc;
58002ac6454SAndrew Thompson 	struct rum_vap *rvp;
58102ac6454SAndrew Thompson 	struct ieee80211vap *vap;
58202ac6454SAndrew Thompson 
58302ac6454SAndrew Thompson 	if (!TAILQ_EMPTY(&ic->ic_vaps))		/* only one at a time */
58402ac6454SAndrew Thompson 		return NULL;
5857a79cebfSGleb Smirnoff 	rvp = malloc(sizeof(struct rum_vap), M_80211_VAP, M_WAITOK | M_ZERO);
58602ac6454SAndrew Thompson 	vap = &rvp->vap;
58702ac6454SAndrew Thompson 	/* enable s/w bmiss handling for sta mode */
588bb2f69e8SHans Petter Selasky 
589bb2f69e8SHans Petter Selasky 	if (ieee80211_vap_setup(ic, vap, name, unit, opmode,
5907a79cebfSGleb Smirnoff 	    flags | IEEE80211_CLONE_NOBEACONS, bssid) != 0) {
591bb2f69e8SHans Petter Selasky 		/* out of memory */
592bb2f69e8SHans Petter Selasky 		free(rvp, M_80211_VAP);
593bb2f69e8SHans Petter Selasky 		return (NULL);
594bb2f69e8SHans Petter Selasky 	}
59502ac6454SAndrew Thompson 
59602ac6454SAndrew Thompson 	/* override state transition machine */
59702ac6454SAndrew Thompson 	rvp->newstate = vap->iv_newstate;
59802ac6454SAndrew Thompson 	vap->iv_newstate = rum_newstate;
59902ac6454SAndrew Thompson 
600b6108616SRui Paulo 	usb_callout_init_mtx(&rvp->ratectl_ch, &sc->sc_mtx, 0);
601b6108616SRui Paulo 	TASK_INIT(&rvp->ratectl_task, 0, rum_ratectl_task, rvp);
602b6108616SRui Paulo 	ieee80211_ratectl_init(vap);
603b6108616SRui Paulo 	ieee80211_ratectl_setinterval(vap, 1000 /* 1 sec */);
60402ac6454SAndrew Thompson 	/* complete setup */
6057a79cebfSGleb Smirnoff 	ieee80211_vap_attach(vap, ieee80211_media_change,
6067a79cebfSGleb Smirnoff 	    ieee80211_media_status, mac);
60702ac6454SAndrew Thompson 	ic->ic_opmode = opmode;
60802ac6454SAndrew Thompson 	return vap;
60902ac6454SAndrew Thompson }
61002ac6454SAndrew Thompson 
61102ac6454SAndrew Thompson static void
61202ac6454SAndrew Thompson rum_vap_delete(struct ieee80211vap *vap)
61302ac6454SAndrew Thompson {
61402ac6454SAndrew Thompson 	struct rum_vap *rvp = RUM_VAP(vap);
6155efea30fSAndrew Thompson 	struct ieee80211com *ic = vap->iv_ic;
61602ac6454SAndrew Thompson 
617b6108616SRui Paulo 	usb_callout_drain(&rvp->ratectl_ch);
618b6108616SRui Paulo 	ieee80211_draintask(ic, &rvp->ratectl_task);
619b6108616SRui Paulo 	ieee80211_ratectl_deinit(vap);
62002ac6454SAndrew Thompson 	ieee80211_vap_detach(vap);
62102ac6454SAndrew Thompson 	free(rvp, M_80211_VAP);
62202ac6454SAndrew Thompson }
62302ac6454SAndrew Thompson 
62402ac6454SAndrew Thompson static void
62502ac6454SAndrew Thompson rum_tx_free(struct rum_tx_data *data, int txerr)
62602ac6454SAndrew Thompson {
62702ac6454SAndrew Thompson 	struct rum_softc *sc = data->sc;
62802ac6454SAndrew Thompson 
62902ac6454SAndrew Thompson 	if (data->m != NULL) {
6307a79cebfSGleb Smirnoff 		ieee80211_tx_complete(data->ni, data->m, txerr);
63102ac6454SAndrew Thompson 		data->m = NULL;
63202ac6454SAndrew Thompson 		data->ni = NULL;
63302ac6454SAndrew Thompson 	}
63402ac6454SAndrew Thompson 	STAILQ_INSERT_TAIL(&sc->tx_free, data, next);
63502ac6454SAndrew Thompson 	sc->tx_nfree++;
63602ac6454SAndrew Thompson }
63702ac6454SAndrew Thompson 
63802ac6454SAndrew Thompson static void
63902ac6454SAndrew Thompson rum_setup_tx_list(struct rum_softc *sc)
64002ac6454SAndrew Thompson {
64102ac6454SAndrew Thompson 	struct rum_tx_data *data;
64202ac6454SAndrew Thompson 	int i;
64302ac6454SAndrew Thompson 
64402ac6454SAndrew Thompson 	sc->tx_nfree = 0;
64502ac6454SAndrew Thompson 	STAILQ_INIT(&sc->tx_q);
64602ac6454SAndrew Thompson 	STAILQ_INIT(&sc->tx_free);
64702ac6454SAndrew Thompson 
64802ac6454SAndrew Thompson 	for (i = 0; i < RUM_TX_LIST_COUNT; i++) {
64902ac6454SAndrew Thompson 		data = &sc->tx_data[i];
65002ac6454SAndrew Thompson 
65102ac6454SAndrew Thompson 		data->sc = sc;
65202ac6454SAndrew Thompson 		STAILQ_INSERT_TAIL(&sc->tx_free, data, next);
65302ac6454SAndrew Thompson 		sc->tx_nfree++;
65402ac6454SAndrew Thompson 	}
65502ac6454SAndrew Thompson }
65602ac6454SAndrew Thompson 
65702ac6454SAndrew Thompson static void
65802ac6454SAndrew Thompson rum_unsetup_tx_list(struct rum_softc *sc)
65902ac6454SAndrew Thompson {
66002ac6454SAndrew Thompson 	struct rum_tx_data *data;
66102ac6454SAndrew Thompson 	int i;
66202ac6454SAndrew Thompson 
66302ac6454SAndrew Thompson 	/* make sure any subsequent use of the queues will fail */
66402ac6454SAndrew Thompson 	sc->tx_nfree = 0;
66502ac6454SAndrew Thompson 	STAILQ_INIT(&sc->tx_q);
66602ac6454SAndrew Thompson 	STAILQ_INIT(&sc->tx_free);
66702ac6454SAndrew Thompson 
66802ac6454SAndrew Thompson 	/* free up all node references and mbufs */
66902ac6454SAndrew Thompson 	for (i = 0; i < RUM_TX_LIST_COUNT; i++) {
67002ac6454SAndrew Thompson 		data = &sc->tx_data[i];
67102ac6454SAndrew Thompson 
67202ac6454SAndrew Thompson 		if (data->m != NULL) {
67302ac6454SAndrew Thompson 			m_freem(data->m);
67402ac6454SAndrew Thompson 			data->m = NULL;
67502ac6454SAndrew Thompson 		}
67602ac6454SAndrew Thompson 		if (data->ni != NULL) {
67702ac6454SAndrew Thompson 			ieee80211_free_node(data->ni);
67802ac6454SAndrew Thompson 			data->ni = NULL;
67902ac6454SAndrew Thompson 		}
68002ac6454SAndrew Thompson 	}
68102ac6454SAndrew Thompson }
68202ac6454SAndrew Thompson 
6835efea30fSAndrew Thompson static int
6845efea30fSAndrew Thompson rum_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
68502ac6454SAndrew Thompson {
68602ac6454SAndrew Thompson 	struct rum_vap *rvp = RUM_VAP(vap);
6875efea30fSAndrew Thompson 	struct ieee80211com *ic = vap->iv_ic;
688d3fdd08cSAdrian Chadd 	struct rum_softc *sc = ic->ic_softc;
68902ac6454SAndrew Thompson 	const struct ieee80211_txparam *tp;
69002ac6454SAndrew Thompson 	enum ieee80211_state ostate;
69102ac6454SAndrew Thompson 	struct ieee80211_node *ni;
69202ac6454SAndrew Thompson 
69302ac6454SAndrew Thompson 	ostate = vap->iv_state;
6945efea30fSAndrew Thompson 	DPRINTF("%s -> %s\n",
6955efea30fSAndrew Thompson 		ieee80211_state_name[ostate],
6965efea30fSAndrew Thompson 		ieee80211_state_name[nstate]);
69702ac6454SAndrew Thompson 
6985efea30fSAndrew Thompson 	IEEE80211_UNLOCK(ic);
6995efea30fSAndrew Thompson 	RUM_LOCK(sc);
700b6108616SRui Paulo 	usb_callout_stop(&rvp->ratectl_ch);
7015efea30fSAndrew Thompson 
7025efea30fSAndrew Thompson 	switch (nstate) {
70302ac6454SAndrew Thompson 	case IEEE80211_S_INIT:
7046d804321SAdrian Chadd 		if (ostate == IEEE80211_S_RUN)
7056d804321SAdrian Chadd 			rum_abort_tsf_sync(sc);
7066d804321SAdrian Chadd 
70702ac6454SAndrew Thompson 		break;
70802ac6454SAndrew Thompson 
70902ac6454SAndrew Thompson 	case IEEE80211_S_RUN:
7108d8bdb01SAndrew Thompson 		ni = ieee80211_ref_node(vap->iv_bss);
71102ac6454SAndrew Thompson 
71202ac6454SAndrew Thompson 		if (vap->iv_opmode != IEEE80211_M_MONITOR) {
713bb571462SHans Petter Selasky 			if (ic->ic_bsschan == IEEE80211_CHAN_ANYC) {
714bb571462SHans Petter Selasky 				RUM_UNLOCK(sc);
715bb571462SHans Petter Selasky 				IEEE80211_LOCK(ic);
716bb571462SHans Petter Selasky 				ieee80211_free_node(ni);
717bb571462SHans Petter Selasky 				return (-1);
718bb571462SHans Petter Selasky 			}
7197a79cebfSGleb Smirnoff 			rum_update_slot(sc);
72002ac6454SAndrew Thompson 			rum_enable_mrr(sc);
72102ac6454SAndrew Thompson 			rum_set_txpreamble(sc);
72202ac6454SAndrew Thompson 			rum_set_basicrates(sc);
7237a79cebfSGleb Smirnoff 			IEEE80211_ADDR_COPY(ic->ic_macaddr, ni->ni_bssid);
7247a79cebfSGleb Smirnoff 			rum_set_bssid(sc, ic->ic_macaddr);
72502ac6454SAndrew Thompson 		}
72602ac6454SAndrew Thompson 
72702ac6454SAndrew Thompson 		if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
72802ac6454SAndrew Thompson 		    vap->iv_opmode == IEEE80211_M_IBSS)
72902ac6454SAndrew Thompson 			rum_prepare_beacon(sc, vap);
73002ac6454SAndrew Thompson 
73102ac6454SAndrew Thompson 		if (vap->iv_opmode != IEEE80211_M_MONITOR)
73202ac6454SAndrew Thompson 			rum_enable_tsf_sync(sc);
7335463c4a4SSam Leffler 		else
7345463c4a4SSam Leffler 			rum_enable_tsf(sc);
73502ac6454SAndrew Thompson 
73602ac6454SAndrew Thompson 		/* enable automatic rate adaptation */
7375463c4a4SSam Leffler 		tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
73802ac6454SAndrew Thompson 		if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE)
739b6108616SRui Paulo 			rum_ratectl_start(sc, ni);
7408d8bdb01SAndrew Thompson 		ieee80211_free_node(ni);
74102ac6454SAndrew Thompson 		break;
74202ac6454SAndrew Thompson 	default:
74302ac6454SAndrew Thompson 		break;
74402ac6454SAndrew Thompson 	}
74502ac6454SAndrew Thompson 	RUM_UNLOCK(sc);
74602ac6454SAndrew Thompson 	IEEE80211_LOCK(ic);
7475efea30fSAndrew Thompson 	return (rvp->newstate(vap, nstate, arg));
74802ac6454SAndrew Thompson }
74902ac6454SAndrew Thompson 
75002ac6454SAndrew Thompson static void
751ed6d949aSAndrew Thompson rum_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
75202ac6454SAndrew Thompson {
753ed6d949aSAndrew Thompson 	struct rum_softc *sc = usbd_xfer_softc(xfer);
7545463c4a4SSam Leffler 	struct ieee80211vap *vap;
75502ac6454SAndrew Thompson 	struct rum_tx_data *data;
75602ac6454SAndrew Thompson 	struct mbuf *m;
757ed6d949aSAndrew Thompson 	struct usb_page_cache *pc;
75802ac6454SAndrew Thompson 	unsigned int len;
759ed6d949aSAndrew Thompson 	int actlen, sumlen;
760ed6d949aSAndrew Thompson 
761ed6d949aSAndrew Thompson 	usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL);
76202ac6454SAndrew Thompson 
76302ac6454SAndrew Thompson 	switch (USB_GET_STATE(xfer)) {
76402ac6454SAndrew Thompson 	case USB_ST_TRANSFERRED:
765ed6d949aSAndrew Thompson 		DPRINTFN(11, "transfer complete, %d bytes\n", actlen);
76602ac6454SAndrew Thompson 
76702ac6454SAndrew Thompson 		/* free resources */
768ed6d949aSAndrew Thompson 		data = usbd_xfer_get_priv(xfer);
76902ac6454SAndrew Thompson 		rum_tx_free(data, 0);
770ed6d949aSAndrew Thompson 		usbd_xfer_set_priv(xfer, NULL);
77102ac6454SAndrew Thompson 
77202ac6454SAndrew Thompson 		/* FALLTHROUGH */
77302ac6454SAndrew Thompson 	case USB_ST_SETUP:
77402ac6454SAndrew Thompson tr_setup:
77502ac6454SAndrew Thompson 		data = STAILQ_FIRST(&sc->tx_q);
77602ac6454SAndrew Thompson 		if (data) {
77702ac6454SAndrew Thompson 			STAILQ_REMOVE_HEAD(&sc->tx_q, next);
77802ac6454SAndrew Thompson 			m = data->m;
77902ac6454SAndrew Thompson 
7806d917491SHans Petter Selasky 			if (m->m_pkthdr.len > (int)(MCLBYTES + RT2573_TX_DESC_SIZE)) {
78102ac6454SAndrew Thompson 				DPRINTFN(0, "data overflow, %u bytes\n",
78202ac6454SAndrew Thompson 				    m->m_pkthdr.len);
78302ac6454SAndrew Thompson 				m->m_pkthdr.len = (MCLBYTES + RT2573_TX_DESC_SIZE);
78402ac6454SAndrew Thompson 			}
785ed6d949aSAndrew Thompson 			pc = usbd_xfer_get_frame(xfer, 0);
786ed6d949aSAndrew Thompson 			usbd_copy_in(pc, 0, &data->desc, RT2573_TX_DESC_SIZE);
787ed6d949aSAndrew Thompson 			usbd_m_copy_in(pc, RT2573_TX_DESC_SIZE, m, 0,
788ed6d949aSAndrew Thompson 			    m->m_pkthdr.len);
78902ac6454SAndrew Thompson 
7905463c4a4SSam Leffler 			vap = data->ni->ni_vap;
7915463c4a4SSam Leffler 			if (ieee80211_radiotap_active_vap(vap)) {
79202ac6454SAndrew Thompson 				struct rum_tx_radiotap_header *tap = &sc->sc_txtap;
79302ac6454SAndrew Thompson 
79402ac6454SAndrew Thompson 				tap->wt_flags = 0;
79502ac6454SAndrew Thompson 				tap->wt_rate = data->rate;
79602ac6454SAndrew Thompson 				tap->wt_antenna = sc->tx_ant;
79702ac6454SAndrew Thompson 
7985463c4a4SSam Leffler 				ieee80211_radiotap_tx(vap, m);
79902ac6454SAndrew Thompson 			}
80002ac6454SAndrew Thompson 
80102ac6454SAndrew Thompson 			/* align end on a 4-bytes boundary */
80202ac6454SAndrew Thompson 			len = (RT2573_TX_DESC_SIZE + m->m_pkthdr.len + 3) & ~3;
80302ac6454SAndrew Thompson 			if ((len % 64) == 0)
80402ac6454SAndrew Thompson 				len += 4;
80502ac6454SAndrew Thompson 
80602ac6454SAndrew Thompson 			DPRINTFN(11, "sending frame len=%u xferlen=%u\n",
80702ac6454SAndrew Thompson 			    m->m_pkthdr.len, len);
80802ac6454SAndrew Thompson 
809ed6d949aSAndrew Thompson 			usbd_xfer_set_frame_len(xfer, 0, len);
810ed6d949aSAndrew Thompson 			usbd_xfer_set_priv(xfer, data);
81102ac6454SAndrew Thompson 
812a593f6b8SAndrew Thompson 			usbd_transfer_submit(xfer);
81302ac6454SAndrew Thompson 		}
8147a79cebfSGleb Smirnoff 		rum_start(sc);
81502ac6454SAndrew Thompson 		break;
81602ac6454SAndrew Thompson 
81702ac6454SAndrew Thompson 	default:			/* Error */
81802ac6454SAndrew Thompson 		DPRINTFN(11, "transfer error, %s\n",
819ed6d949aSAndrew Thompson 		    usbd_errstr(error));
82002ac6454SAndrew Thompson 
8217a79cebfSGleb Smirnoff 		counter_u64_add(sc->sc_ic.ic_oerrors, 1);
822ed6d949aSAndrew Thompson 		data = usbd_xfer_get_priv(xfer);
82302ac6454SAndrew Thompson 		if (data != NULL) {
824ed6d949aSAndrew Thompson 			rum_tx_free(data, error);
825ed6d949aSAndrew Thompson 			usbd_xfer_set_priv(xfer, NULL);
82602ac6454SAndrew Thompson 		}
82702ac6454SAndrew Thompson 
8280283fab7SAndrew Thompson 		if (error != USB_ERR_CANCELLED) {
8290283fab7SAndrew Thompson 			if (error == USB_ERR_TIMEOUT)
8300283fab7SAndrew Thompson 				device_printf(sc->sc_dev, "device timeout\n");
8310283fab7SAndrew Thompson 
8320283fab7SAndrew Thompson 			/*
8330283fab7SAndrew Thompson 			 * Try to clear stall first, also if other
8340283fab7SAndrew Thompson 			 * errors occur, hence clearing stall
8350283fab7SAndrew Thompson 			 * introduces a 50 ms delay:
8360283fab7SAndrew Thompson 			 */
837ed6d949aSAndrew Thompson 			usbd_xfer_set_stall(xfer);
83802ac6454SAndrew Thompson 			goto tr_setup;
83902ac6454SAndrew Thompson 		}
84002ac6454SAndrew Thompson 		break;
84102ac6454SAndrew Thompson 	}
84202ac6454SAndrew Thompson }
84302ac6454SAndrew Thompson 
84402ac6454SAndrew Thompson static void
845ed6d949aSAndrew Thompson rum_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
84602ac6454SAndrew Thompson {
847ed6d949aSAndrew Thompson 	struct rum_softc *sc = usbd_xfer_softc(xfer);
8487a79cebfSGleb Smirnoff 	struct ieee80211com *ic = &sc->sc_ic;
84902ac6454SAndrew Thompson 	struct ieee80211_node *ni;
85002ac6454SAndrew Thompson 	struct mbuf *m = NULL;
851ed6d949aSAndrew Thompson 	struct usb_page_cache *pc;
85202ac6454SAndrew Thompson 	uint32_t flags;
85302ac6454SAndrew Thompson 	uint8_t rssi = 0;
854ed6d949aSAndrew Thompson 	int len;
855ed6d949aSAndrew Thompson 
856ed6d949aSAndrew Thompson 	usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
85702ac6454SAndrew Thompson 
85802ac6454SAndrew Thompson 	switch (USB_GET_STATE(xfer)) {
85902ac6454SAndrew Thompson 	case USB_ST_TRANSFERRED:
86002ac6454SAndrew Thompson 
861ed6d949aSAndrew Thompson 		DPRINTFN(15, "rx done, actlen=%d\n", len);
86202ac6454SAndrew Thompson 
8636d917491SHans Petter Selasky 		if (len < (int)(RT2573_RX_DESC_SIZE + IEEE80211_MIN_LEN)) {
86402ac6454SAndrew Thompson 			DPRINTF("%s: xfer too short %d\n",
86502ac6454SAndrew Thompson 			    device_get_nameunit(sc->sc_dev), len);
8667a79cebfSGleb Smirnoff 			counter_u64_add(ic->ic_ierrors, 1);
86702ac6454SAndrew Thompson 			goto tr_setup;
86802ac6454SAndrew Thompson 		}
86902ac6454SAndrew Thompson 
87002ac6454SAndrew Thompson 		len -= RT2573_RX_DESC_SIZE;
871ed6d949aSAndrew Thompson 		pc = usbd_xfer_get_frame(xfer, 0);
872ed6d949aSAndrew Thompson 		usbd_copy_out(pc, 0, &sc->sc_rx_desc, RT2573_RX_DESC_SIZE);
87302ac6454SAndrew Thompson 
87402ac6454SAndrew Thompson 		rssi = rum_get_rssi(sc, sc->sc_rx_desc.rssi);
87502ac6454SAndrew Thompson 		flags = le32toh(sc->sc_rx_desc.flags);
87602ac6454SAndrew Thompson 		if (flags & RT2573_RX_CRC_ERROR) {
87702ac6454SAndrew Thompson 			/*
87802ac6454SAndrew Thompson 		         * This should not happen since we did not
87902ac6454SAndrew Thompson 		         * request to receive those frames when we
88002ac6454SAndrew Thompson 		         * filled RUM_TXRX_CSR2:
88102ac6454SAndrew Thompson 		         */
88202ac6454SAndrew Thompson 			DPRINTFN(5, "PHY or CRC error\n");
8837a79cebfSGleb Smirnoff 			counter_u64_add(ic->ic_ierrors, 1);
88402ac6454SAndrew Thompson 			goto tr_setup;
88502ac6454SAndrew Thompson 		}
88602ac6454SAndrew Thompson 
887c6499eccSGleb Smirnoff 		m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
88802ac6454SAndrew Thompson 		if (m == NULL) {
88902ac6454SAndrew Thompson 			DPRINTF("could not allocate mbuf\n");
8907a79cebfSGleb Smirnoff 			counter_u64_add(ic->ic_ierrors, 1);
89102ac6454SAndrew Thompson 			goto tr_setup;
89202ac6454SAndrew Thompson 		}
893ed6d949aSAndrew Thompson 		usbd_copy_out(pc, RT2573_RX_DESC_SIZE,
89402ac6454SAndrew Thompson 		    mtod(m, uint8_t *), len);
89502ac6454SAndrew Thompson 
89602ac6454SAndrew Thompson 		/* finalize mbuf */
89702ac6454SAndrew Thompson 		m->m_pkthdr.len = m->m_len = (flags >> 16) & 0xfff;
89802ac6454SAndrew Thompson 
8995463c4a4SSam Leffler 		if (ieee80211_radiotap_active(ic)) {
90002ac6454SAndrew Thompson 			struct rum_rx_radiotap_header *tap = &sc->sc_rxtap;
90102ac6454SAndrew Thompson 
9025463c4a4SSam Leffler 			/* XXX read tsf */
9035463c4a4SSam Leffler 			tap->wr_flags = 0;
90402ac6454SAndrew Thompson 			tap->wr_rate = ieee80211_plcp2rate(sc->sc_rx_desc.rate,
90502ac6454SAndrew Thompson 			    (flags & RT2573_RX_OFDM) ?
90602ac6454SAndrew Thompson 			    IEEE80211_T_OFDM : IEEE80211_T_CCK);
9075463c4a4SSam Leffler 			tap->wr_antsignal = RT2573_NOISE_FLOOR + rssi;
9085463c4a4SSam Leffler 			tap->wr_antnoise = RT2573_NOISE_FLOOR;
90902ac6454SAndrew Thompson 			tap->wr_antenna = sc->rx_ant;
91002ac6454SAndrew Thompson 		}
91102ac6454SAndrew Thompson 		/* FALLTHROUGH */
91202ac6454SAndrew Thompson 	case USB_ST_SETUP:
91302ac6454SAndrew Thompson tr_setup:
914ed6d949aSAndrew Thompson 		usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
915a593f6b8SAndrew Thompson 		usbd_transfer_submit(xfer);
91602ac6454SAndrew Thompson 
91702ac6454SAndrew Thompson 		/*
91802ac6454SAndrew Thompson 		 * At the end of a USB callback it is always safe to unlock
91902ac6454SAndrew Thompson 		 * the private mutex of a device! That is why we do the
92002ac6454SAndrew Thompson 		 * "ieee80211_input" here, and not some lines up!
92102ac6454SAndrew Thompson 		 */
92202ac6454SAndrew Thompson 		RUM_UNLOCK(sc);
923db63fc93SWeongyo Jeong 		if (m) {
92402ac6454SAndrew Thompson 			ni = ieee80211_find_rxnode(ic,
92502ac6454SAndrew Thompson 			    mtod(m, struct ieee80211_frame_min *));
92602ac6454SAndrew Thompson 			if (ni != NULL) {
92702ac6454SAndrew Thompson 				(void) ieee80211_input(ni, m, rssi,
9285463c4a4SSam Leffler 				    RT2573_NOISE_FLOOR);
92902ac6454SAndrew Thompson 				ieee80211_free_node(ni);
93002ac6454SAndrew Thompson 			} else
93102ac6454SAndrew Thompson 				(void) ieee80211_input_all(ic, m, rssi,
9325463c4a4SSam Leffler 				    RT2573_NOISE_FLOOR);
93302ac6454SAndrew Thompson 		}
934db63fc93SWeongyo Jeong 		RUM_LOCK(sc);
9357a79cebfSGleb Smirnoff 		rum_start(sc);
93602ac6454SAndrew Thompson 		return;
93702ac6454SAndrew Thompson 
93802ac6454SAndrew Thompson 	default:			/* Error */
939ed6d949aSAndrew Thompson 		if (error != USB_ERR_CANCELLED) {
94002ac6454SAndrew Thompson 			/* try to clear stall first */
941ed6d949aSAndrew Thompson 			usbd_xfer_set_stall(xfer);
94202ac6454SAndrew Thompson 			goto tr_setup;
94302ac6454SAndrew Thompson 		}
94402ac6454SAndrew Thompson 		return;
94502ac6454SAndrew Thompson 	}
94602ac6454SAndrew Thompson }
94702ac6454SAndrew Thompson 
94802ac6454SAndrew Thompson static uint8_t
94902ac6454SAndrew Thompson rum_plcp_signal(int rate)
95002ac6454SAndrew Thompson {
95102ac6454SAndrew Thompson 	switch (rate) {
95202ac6454SAndrew Thompson 	/* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */
95302ac6454SAndrew Thompson 	case 12:	return 0xb;
95402ac6454SAndrew Thompson 	case 18:	return 0xf;
95502ac6454SAndrew Thompson 	case 24:	return 0xa;
95602ac6454SAndrew Thompson 	case 36:	return 0xe;
95702ac6454SAndrew Thompson 	case 48:	return 0x9;
95802ac6454SAndrew Thompson 	case 72:	return 0xd;
95902ac6454SAndrew Thompson 	case 96:	return 0x8;
96002ac6454SAndrew Thompson 	case 108:	return 0xc;
96102ac6454SAndrew Thompson 
96202ac6454SAndrew Thompson 	/* CCK rates (NB: not IEEE std, device-specific) */
96302ac6454SAndrew Thompson 	case 2:		return 0x0;
96402ac6454SAndrew Thompson 	case 4:		return 0x1;
96502ac6454SAndrew Thompson 	case 11:	return 0x2;
96602ac6454SAndrew Thompson 	case 22:	return 0x3;
96702ac6454SAndrew Thompson 	}
96802ac6454SAndrew Thompson 	return 0xff;		/* XXX unsupported/unknown rate */
96902ac6454SAndrew Thompson }
97002ac6454SAndrew Thompson 
97102ac6454SAndrew Thompson static void
97202ac6454SAndrew Thompson rum_setup_tx_desc(struct rum_softc *sc, struct rum_tx_desc *desc,
97302ac6454SAndrew Thompson     uint32_t flags, uint16_t xflags, int len, int rate)
97402ac6454SAndrew Thompson {
9757a79cebfSGleb Smirnoff 	struct ieee80211com *ic = &sc->sc_ic;
97602ac6454SAndrew Thompson 	uint16_t plcp_length;
97702ac6454SAndrew Thompson 	int remainder;
97802ac6454SAndrew Thompson 
97902ac6454SAndrew Thompson 	desc->flags = htole32(flags);
98002ac6454SAndrew Thompson 	desc->flags |= htole32(RT2573_TX_VALID);
98102ac6454SAndrew Thompson 	desc->flags |= htole32(len << 16);
98202ac6454SAndrew Thompson 
98302ac6454SAndrew Thompson 	desc->xflags = htole16(xflags);
98402ac6454SAndrew Thompson 
98502ac6454SAndrew Thompson 	desc->wme = htole16(RT2573_QID(0) | RT2573_AIFSN(2) |
98602ac6454SAndrew Thompson 	    RT2573_LOGCWMIN(4) | RT2573_LOGCWMAX(10));
98702ac6454SAndrew Thompson 
98802ac6454SAndrew Thompson 	/* setup PLCP fields */
98902ac6454SAndrew Thompson 	desc->plcp_signal  = rum_plcp_signal(rate);
99002ac6454SAndrew Thompson 	desc->plcp_service = 4;
99102ac6454SAndrew Thompson 
99202ac6454SAndrew Thompson 	len += IEEE80211_CRC_LEN;
99326d39e2cSSam Leffler 	if (ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM) {
99402ac6454SAndrew Thompson 		desc->flags |= htole32(RT2573_TX_OFDM);
99502ac6454SAndrew Thompson 
99602ac6454SAndrew Thompson 		plcp_length = len & 0xfff;
99702ac6454SAndrew Thompson 		desc->plcp_length_hi = plcp_length >> 6;
99802ac6454SAndrew Thompson 		desc->plcp_length_lo = plcp_length & 0x3f;
99902ac6454SAndrew Thompson 	} else {
1000b8e3094cSHans Petter Selasky 		if (rate == 0)
1001b8e3094cSHans Petter Selasky 			rate = 2;	/* avoid division by zero */
100202ac6454SAndrew Thompson 		plcp_length = (16 * len + rate - 1) / rate;
100302ac6454SAndrew Thompson 		if (rate == 22) {
100402ac6454SAndrew Thompson 			remainder = (16 * len) % 22;
100502ac6454SAndrew Thompson 			if (remainder != 0 && remainder < 7)
100602ac6454SAndrew Thompson 				desc->plcp_service |= RT2573_PLCP_LENGEXT;
100702ac6454SAndrew Thompson 		}
100802ac6454SAndrew Thompson 		desc->plcp_length_hi = plcp_length >> 8;
100902ac6454SAndrew Thompson 		desc->plcp_length_lo = plcp_length & 0xff;
101002ac6454SAndrew Thompson 
101102ac6454SAndrew Thompson 		if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
101202ac6454SAndrew Thompson 			desc->plcp_signal |= 0x08;
101302ac6454SAndrew Thompson 	}
101402ac6454SAndrew Thompson }
101502ac6454SAndrew Thompson 
101602ac6454SAndrew Thompson static int
101702ac6454SAndrew Thompson rum_sendprot(struct rum_softc *sc,
101802ac6454SAndrew Thompson     const struct mbuf *m, struct ieee80211_node *ni, int prot, int rate)
101902ac6454SAndrew Thompson {
102002ac6454SAndrew Thompson 	struct ieee80211com *ic = ni->ni_ic;
102102ac6454SAndrew Thompson 	const struct ieee80211_frame *wh;
102202ac6454SAndrew Thompson 	struct rum_tx_data *data;
102302ac6454SAndrew Thompson 	struct mbuf *mprot;
102402ac6454SAndrew Thompson 	int protrate, ackrate, pktlen, flags, isshort;
102502ac6454SAndrew Thompson 	uint16_t dur;
102602ac6454SAndrew Thompson 
102702ac6454SAndrew Thompson 	RUM_LOCK_ASSERT(sc, MA_OWNED);
102802ac6454SAndrew Thompson 	KASSERT(prot == IEEE80211_PROT_RTSCTS || prot == IEEE80211_PROT_CTSONLY,
102902ac6454SAndrew Thompson 	    ("protection %d", prot));
103002ac6454SAndrew Thompson 
103102ac6454SAndrew Thompson 	wh = mtod(m, const struct ieee80211_frame *);
103202ac6454SAndrew Thompson 	pktlen = m->m_pkthdr.len + IEEE80211_CRC_LEN;
103302ac6454SAndrew Thompson 
103426d39e2cSSam Leffler 	protrate = ieee80211_ctl_rate(ic->ic_rt, rate);
103526d39e2cSSam Leffler 	ackrate = ieee80211_ack_rate(ic->ic_rt, rate);
103602ac6454SAndrew Thompson 
103702ac6454SAndrew Thompson 	isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0;
10380f817de7SJung-uk Kim 	dur = ieee80211_compute_duration(ic->ic_rt, pktlen, rate, isshort)
103926d39e2cSSam Leffler 	    + ieee80211_ack_duration(ic->ic_rt, rate, isshort);
104002ac6454SAndrew Thompson 	flags = RT2573_TX_MORE_FRAG;
104102ac6454SAndrew Thompson 	if (prot == IEEE80211_PROT_RTSCTS) {
104202ac6454SAndrew Thompson 		/* NB: CTS is the same size as an ACK */
104326d39e2cSSam Leffler 		dur += ieee80211_ack_duration(ic->ic_rt, rate, isshort);
104402ac6454SAndrew Thompson 		flags |= RT2573_TX_NEED_ACK;
104502ac6454SAndrew Thompson 		mprot = ieee80211_alloc_rts(ic, wh->i_addr1, wh->i_addr2, dur);
104602ac6454SAndrew Thompson 	} else {
104702ac6454SAndrew Thompson 		mprot = ieee80211_alloc_cts(ic, ni->ni_vap->iv_myaddr, dur);
104802ac6454SAndrew Thompson 	}
104902ac6454SAndrew Thompson 	if (mprot == NULL) {
105002ac6454SAndrew Thompson 		/* XXX stat + msg */
105177ddf3d3SAndrew Thompson 		return (ENOBUFS);
105202ac6454SAndrew Thompson 	}
105302ac6454SAndrew Thompson 	data = STAILQ_FIRST(&sc->tx_free);
105402ac6454SAndrew Thompson 	STAILQ_REMOVE_HEAD(&sc->tx_free, next);
105502ac6454SAndrew Thompson 	sc->tx_nfree--;
105602ac6454SAndrew Thompson 
105702ac6454SAndrew Thompson 	data->m = mprot;
105802ac6454SAndrew Thompson 	data->ni = ieee80211_ref_node(ni);
105902ac6454SAndrew Thompson 	data->rate = protrate;
106002ac6454SAndrew Thompson 	rum_setup_tx_desc(sc, &data->desc, flags, 0, mprot->m_pkthdr.len, protrate);
106102ac6454SAndrew Thompson 
106202ac6454SAndrew Thompson 	STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
1063a593f6b8SAndrew Thompson 	usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]);
106402ac6454SAndrew Thompson 
106502ac6454SAndrew Thompson 	return 0;
106602ac6454SAndrew Thompson }
106702ac6454SAndrew Thompson 
106802ac6454SAndrew Thompson static int
106902ac6454SAndrew Thompson rum_tx_mgt(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
107002ac6454SAndrew Thompson {
107102ac6454SAndrew Thompson 	struct ieee80211vap *vap = ni->ni_vap;
10727a79cebfSGleb Smirnoff 	struct ieee80211com *ic = &sc->sc_ic;
107302ac6454SAndrew Thompson 	struct rum_tx_data *data;
107402ac6454SAndrew Thompson 	struct ieee80211_frame *wh;
107502ac6454SAndrew Thompson 	const struct ieee80211_txparam *tp;
107602ac6454SAndrew Thompson 	struct ieee80211_key *k;
107702ac6454SAndrew Thompson 	uint32_t flags = 0;
107802ac6454SAndrew Thompson 	uint16_t dur;
107902ac6454SAndrew Thompson 
108002ac6454SAndrew Thompson 	RUM_LOCK_ASSERT(sc, MA_OWNED);
108102ac6454SAndrew Thompson 
108202ac6454SAndrew Thompson 	data = STAILQ_FIRST(&sc->tx_free);
108302ac6454SAndrew Thompson 	STAILQ_REMOVE_HEAD(&sc->tx_free, next);
108402ac6454SAndrew Thompson 	sc->tx_nfree--;
108502ac6454SAndrew Thompson 
108602ac6454SAndrew Thompson 	wh = mtod(m0, struct ieee80211_frame *);
10875945b5f5SKevin Lo 	if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) {
108802ac6454SAndrew Thompson 		k = ieee80211_crypto_encap(ni, m0);
108902ac6454SAndrew Thompson 		if (k == NULL) {
109002ac6454SAndrew Thompson 			m_freem(m0);
109102ac6454SAndrew Thompson 			return ENOBUFS;
109202ac6454SAndrew Thompson 		}
109302ac6454SAndrew Thompson 		wh = mtod(m0, struct ieee80211_frame *);
109402ac6454SAndrew Thompson 	}
109502ac6454SAndrew Thompson 
109602ac6454SAndrew Thompson 	tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
109702ac6454SAndrew Thompson 
109802ac6454SAndrew Thompson 	if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
109902ac6454SAndrew Thompson 		flags |= RT2573_TX_NEED_ACK;
110002ac6454SAndrew Thompson 
110126d39e2cSSam Leffler 		dur = ieee80211_ack_duration(ic->ic_rt, tp->mgmtrate,
110202ac6454SAndrew Thompson 		    ic->ic_flags & IEEE80211_F_SHPREAMBLE);
11038cfe5440SHans Petter Selasky 		USETW(wh->i_dur, dur);
110402ac6454SAndrew Thompson 
110502ac6454SAndrew Thompson 		/* tell hardware to add timestamp for probe responses */
110602ac6454SAndrew Thompson 		if ((wh->i_fc[0] &
110702ac6454SAndrew Thompson 		    (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
110802ac6454SAndrew Thompson 		    (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
110902ac6454SAndrew Thompson 			flags |= RT2573_TX_TIMESTAMP;
111002ac6454SAndrew Thompson 	}
111102ac6454SAndrew Thompson 
111202ac6454SAndrew Thompson 	data->m = m0;
111302ac6454SAndrew Thompson 	data->ni = ni;
111402ac6454SAndrew Thompson 	data->rate = tp->mgmtrate;
111502ac6454SAndrew Thompson 
111602ac6454SAndrew Thompson 	rum_setup_tx_desc(sc, &data->desc, flags, 0, m0->m_pkthdr.len, tp->mgmtrate);
111702ac6454SAndrew Thompson 
111802ac6454SAndrew Thompson 	DPRINTFN(10, "sending mgt frame len=%d rate=%d\n",
111902ac6454SAndrew Thompson 	    m0->m_pkthdr.len + (int)RT2573_TX_DESC_SIZE, tp->mgmtrate);
112002ac6454SAndrew Thompson 
112102ac6454SAndrew Thompson 	STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
1122a593f6b8SAndrew Thompson 	usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]);
112302ac6454SAndrew Thompson 
112477ddf3d3SAndrew Thompson 	return (0);
112502ac6454SAndrew Thompson }
112602ac6454SAndrew Thompson 
112702ac6454SAndrew Thompson static int
112802ac6454SAndrew Thompson rum_tx_raw(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni,
112902ac6454SAndrew Thompson     const struct ieee80211_bpf_params *params)
113002ac6454SAndrew Thompson {
1131515db61dSSam Leffler 	struct ieee80211com *ic = ni->ni_ic;
113202ac6454SAndrew Thompson 	struct rum_tx_data *data;
113302ac6454SAndrew Thompson 	uint32_t flags;
113402ac6454SAndrew Thompson 	int rate, error;
113502ac6454SAndrew Thompson 
113602ac6454SAndrew Thompson 	RUM_LOCK_ASSERT(sc, MA_OWNED);
113702ac6454SAndrew Thompson 	KASSERT(params != NULL, ("no raw xmit params"));
113802ac6454SAndrew Thompson 
1139515db61dSSam Leffler 	rate = params->ibp_rate0;
1140515db61dSSam Leffler 	if (!ieee80211_isratevalid(ic->ic_rt, rate)) {
114102ac6454SAndrew Thompson 		m_freem(m0);
114202ac6454SAndrew Thompson 		return EINVAL;
114302ac6454SAndrew Thompson 	}
114402ac6454SAndrew Thompson 	flags = 0;
114502ac6454SAndrew Thompson 	if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0)
114602ac6454SAndrew Thompson 		flags |= RT2573_TX_NEED_ACK;
114702ac6454SAndrew Thompson 	if (params->ibp_flags & (IEEE80211_BPF_RTS|IEEE80211_BPF_CTS)) {
114802ac6454SAndrew Thompson 		error = rum_sendprot(sc, m0, ni,
114902ac6454SAndrew Thompson 		    params->ibp_flags & IEEE80211_BPF_RTS ?
115002ac6454SAndrew Thompson 			 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_CTSONLY,
115102ac6454SAndrew Thompson 		    rate);
115296ca458fSAndrew Thompson 		if (error || sc->tx_nfree == 0) {
115302ac6454SAndrew Thompson 			m_freem(m0);
115496ca458fSAndrew Thompson 			return ENOBUFS;
115502ac6454SAndrew Thompson 		}
115602ac6454SAndrew Thompson 		flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS;
115702ac6454SAndrew Thompson 	}
115802ac6454SAndrew Thompson 
115996ca458fSAndrew Thompson 	data = STAILQ_FIRST(&sc->tx_free);
116096ca458fSAndrew Thompson 	STAILQ_REMOVE_HEAD(&sc->tx_free, next);
116196ca458fSAndrew Thompson 	sc->tx_nfree--;
116296ca458fSAndrew Thompson 
116302ac6454SAndrew Thompson 	data->m = m0;
116402ac6454SAndrew Thompson 	data->ni = ni;
116502ac6454SAndrew Thompson 	data->rate = rate;
116602ac6454SAndrew Thompson 
116702ac6454SAndrew Thompson 	/* XXX need to setup descriptor ourself */
116802ac6454SAndrew Thompson 	rum_setup_tx_desc(sc, &data->desc, flags, 0, m0->m_pkthdr.len, rate);
116902ac6454SAndrew Thompson 
117002ac6454SAndrew Thompson 	DPRINTFN(10, "sending raw frame len=%u rate=%u\n",
117102ac6454SAndrew Thompson 	    m0->m_pkthdr.len, rate);
117202ac6454SAndrew Thompson 
117302ac6454SAndrew Thompson 	STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
1174a593f6b8SAndrew Thompson 	usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]);
117502ac6454SAndrew Thompson 
117602ac6454SAndrew Thompson 	return 0;
117702ac6454SAndrew Thompson }
117802ac6454SAndrew Thompson 
117902ac6454SAndrew Thompson static int
118002ac6454SAndrew Thompson rum_tx_data(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
118102ac6454SAndrew Thompson {
118202ac6454SAndrew Thompson 	struct ieee80211vap *vap = ni->ni_vap;
11837a79cebfSGleb Smirnoff 	struct ieee80211com *ic = &sc->sc_ic;
118402ac6454SAndrew Thompson 	struct rum_tx_data *data;
118502ac6454SAndrew Thompson 	struct ieee80211_frame *wh;
118602ac6454SAndrew Thompson 	const struct ieee80211_txparam *tp;
118702ac6454SAndrew Thompson 	struct ieee80211_key *k;
118802ac6454SAndrew Thompson 	uint32_t flags = 0;
118902ac6454SAndrew Thompson 	uint16_t dur;
119002ac6454SAndrew Thompson 	int error, rate;
119102ac6454SAndrew Thompson 
119202ac6454SAndrew Thompson 	RUM_LOCK_ASSERT(sc, MA_OWNED);
119302ac6454SAndrew Thompson 
119402ac6454SAndrew Thompson 	wh = mtod(m0, struct ieee80211_frame *);
119502ac6454SAndrew Thompson 
119602ac6454SAndrew Thompson 	tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)];
119702ac6454SAndrew Thompson 	if (IEEE80211_IS_MULTICAST(wh->i_addr1))
119802ac6454SAndrew Thompson 		rate = tp->mcastrate;
119902ac6454SAndrew Thompson 	else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
120002ac6454SAndrew Thompson 		rate = tp->ucastrate;
120102ac6454SAndrew Thompson 	else
120202ac6454SAndrew Thompson 		rate = ni->ni_txrate;
120302ac6454SAndrew Thompson 
12045945b5f5SKevin Lo 	if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) {
120502ac6454SAndrew Thompson 		k = ieee80211_crypto_encap(ni, m0);
120602ac6454SAndrew Thompson 		if (k == NULL) {
120702ac6454SAndrew Thompson 			m_freem(m0);
120802ac6454SAndrew Thompson 			return ENOBUFS;
120902ac6454SAndrew Thompson 		}
121002ac6454SAndrew Thompson 
121102ac6454SAndrew Thompson 		/* packet header may have moved, reset our local pointer */
121202ac6454SAndrew Thompson 		wh = mtod(m0, struct ieee80211_frame *);
121302ac6454SAndrew Thompson 	}
121402ac6454SAndrew Thompson 
121502ac6454SAndrew Thompson 	if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
121602ac6454SAndrew Thompson 		int prot = IEEE80211_PROT_NONE;
121702ac6454SAndrew Thompson 		if (m0->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold)
121802ac6454SAndrew Thompson 			prot = IEEE80211_PROT_RTSCTS;
121902ac6454SAndrew Thompson 		else if ((ic->ic_flags & IEEE80211_F_USEPROT) &&
122026d39e2cSSam Leffler 		    ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM)
122102ac6454SAndrew Thompson 			prot = ic->ic_protmode;
122202ac6454SAndrew Thompson 		if (prot != IEEE80211_PROT_NONE) {
122302ac6454SAndrew Thompson 			error = rum_sendprot(sc, m0, ni, prot, rate);
122496ca458fSAndrew Thompson 			if (error || sc->tx_nfree == 0) {
122502ac6454SAndrew Thompson 				m_freem(m0);
122696ca458fSAndrew Thompson 				return ENOBUFS;
122702ac6454SAndrew Thompson 			}
122802ac6454SAndrew Thompson 			flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS;
122902ac6454SAndrew Thompson 		}
123002ac6454SAndrew Thompson 	}
123102ac6454SAndrew Thompson 
123202ac6454SAndrew Thompson 	data = STAILQ_FIRST(&sc->tx_free);
123302ac6454SAndrew Thompson 	STAILQ_REMOVE_HEAD(&sc->tx_free, next);
123402ac6454SAndrew Thompson 	sc->tx_nfree--;
123502ac6454SAndrew Thompson 
123602ac6454SAndrew Thompson 	data->m = m0;
123702ac6454SAndrew Thompson 	data->ni = ni;
123802ac6454SAndrew Thompson 	data->rate = rate;
123902ac6454SAndrew Thompson 
124002ac6454SAndrew Thompson 	if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
124102ac6454SAndrew Thompson 		flags |= RT2573_TX_NEED_ACK;
124202ac6454SAndrew Thompson 		flags |= RT2573_TX_MORE_FRAG;
124302ac6454SAndrew Thompson 
124426d39e2cSSam Leffler 		dur = ieee80211_ack_duration(ic->ic_rt, rate,
124502ac6454SAndrew Thompson 		    ic->ic_flags & IEEE80211_F_SHPREAMBLE);
12468cfe5440SHans Petter Selasky 		USETW(wh->i_dur, dur);
124702ac6454SAndrew Thompson 	}
124802ac6454SAndrew Thompson 
124902ac6454SAndrew Thompson 	rum_setup_tx_desc(sc, &data->desc, flags, 0, m0->m_pkthdr.len, rate);
125002ac6454SAndrew Thompson 
125102ac6454SAndrew Thompson 	DPRINTFN(10, "sending frame len=%d rate=%d\n",
125202ac6454SAndrew Thompson 	    m0->m_pkthdr.len + (int)RT2573_TX_DESC_SIZE, rate);
125302ac6454SAndrew Thompson 
125402ac6454SAndrew Thompson 	STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
1255a593f6b8SAndrew Thompson 	usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]);
125602ac6454SAndrew Thompson 
125702ac6454SAndrew Thompson 	return 0;
125802ac6454SAndrew Thompson }
125902ac6454SAndrew Thompson 
12607a79cebfSGleb Smirnoff static int
12617a79cebfSGleb Smirnoff rum_transmit(struct ieee80211com *ic, struct mbuf *m)
126279d2c5e8SGleb Smirnoff {
12637a79cebfSGleb Smirnoff 	struct rum_softc *sc = ic->ic_softc;
12647a79cebfSGleb Smirnoff 	int error;
12657a79cebfSGleb Smirnoff 
12667a79cebfSGleb Smirnoff 	RUM_LOCK(sc);
12677a79cebfSGleb Smirnoff 	if (!sc->sc_running) {
12687a79cebfSGleb Smirnoff 		RUM_UNLOCK(sc);
12697a79cebfSGleb Smirnoff 		return (ENXIO);
12707a79cebfSGleb Smirnoff 	}
12717a79cebfSGleb Smirnoff 	error = mbufq_enqueue(&sc->sc_snd, m);
12727a79cebfSGleb Smirnoff 	if (error) {
12737a79cebfSGleb Smirnoff 		RUM_UNLOCK(sc);
12747a79cebfSGleb Smirnoff 		return (error);
12757a79cebfSGleb Smirnoff 	}
12767a79cebfSGleb Smirnoff 	rum_start(sc);
12777a79cebfSGleb Smirnoff 	RUM_UNLOCK(sc);
12787a79cebfSGleb Smirnoff 
12797a79cebfSGleb Smirnoff 	return (0);
12807a79cebfSGleb Smirnoff }
12817a79cebfSGleb Smirnoff 
12827a79cebfSGleb Smirnoff static void
12837a79cebfSGleb Smirnoff rum_start(struct rum_softc *sc)
12847a79cebfSGleb Smirnoff {
128502ac6454SAndrew Thompson 	struct ieee80211_node *ni;
128602ac6454SAndrew Thompson 	struct mbuf *m;
128702ac6454SAndrew Thompson 
12887a79cebfSGleb Smirnoff 	RUM_LOCK_ASSERT(sc, MA_OWNED);
12897a79cebfSGleb Smirnoff 
12907a79cebfSGleb Smirnoff 	if (!sc->sc_running)
129102ac6454SAndrew Thompson 		return;
12927a79cebfSGleb Smirnoff 
12937a79cebfSGleb Smirnoff 	while (sc->tx_nfree >= RUM_TX_MINFREE &&
12947a79cebfSGleb Smirnoff 	    (m = mbufq_dequeue(&sc->sc_snd)) != NULL) {
129502ac6454SAndrew Thompson 		ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
129602ac6454SAndrew Thompson 		if (rum_tx_data(sc, m, ni) != 0) {
12977a79cebfSGleb Smirnoff 			if_inc_counter(ni->ni_vap->iv_ifp,
12987a79cebfSGleb Smirnoff 			    IFCOUNTER_OERRORS, 1);
129902ac6454SAndrew Thompson 			ieee80211_free_node(ni);
130002ac6454SAndrew Thompson 			break;
130102ac6454SAndrew Thompson 		}
130202ac6454SAndrew Thompson 	}
130302ac6454SAndrew Thompson }
130402ac6454SAndrew Thompson 
13057a79cebfSGleb Smirnoff static void
13067a79cebfSGleb Smirnoff rum_parent(struct ieee80211com *ic)
130702ac6454SAndrew Thompson {
1308d3fdd08cSAdrian Chadd 	struct rum_softc *sc = ic->ic_softc;
1309645e4d17SHans Petter Selasky 	int startall = 0;
1310645e4d17SHans Petter Selasky 
1311645e4d17SHans Petter Selasky 	RUM_LOCK(sc);
13127a79cebfSGleb Smirnoff 	if (sc->sc_detached) {
1313645e4d17SHans Petter Selasky 		RUM_UNLOCK(sc);
13147a79cebfSGleb Smirnoff 		return;
13157a79cebfSGleb Smirnoff 	}
13167a79cebfSGleb Smirnoff 	if (ic->ic_nrunning > 0) {
13177a79cebfSGleb Smirnoff 		if (!sc->sc_running) {
13187a79cebfSGleb Smirnoff 			rum_init(sc);
131902ac6454SAndrew Thompson 			startall = 1;
132002ac6454SAndrew Thompson 		} else
13215efea30fSAndrew Thompson 			rum_setpromisc(sc);
13227a79cebfSGleb Smirnoff 	} else if (sc->sc_running)
13235efea30fSAndrew Thompson 		rum_stop(sc);
132402ac6454SAndrew Thompson 	RUM_UNLOCK(sc);
132502ac6454SAndrew Thompson 	if (startall)
132602ac6454SAndrew Thompson 		ieee80211_start_all(ic);
132702ac6454SAndrew Thompson }
132802ac6454SAndrew Thompson 
132902ac6454SAndrew Thompson static void
133002ac6454SAndrew Thompson rum_eeprom_read(struct rum_softc *sc, uint16_t addr, void *buf, int len)
133102ac6454SAndrew Thompson {
1332760bc48eSAndrew Thompson 	struct usb_device_request req;
1333e0a69b51SAndrew Thompson 	usb_error_t error;
133402ac6454SAndrew Thompson 
133502ac6454SAndrew Thompson 	req.bmRequestType = UT_READ_VENDOR_DEVICE;
133602ac6454SAndrew Thompson 	req.bRequest = RT2573_READ_EEPROM;
133702ac6454SAndrew Thompson 	USETW(req.wValue, 0);
133802ac6454SAndrew Thompson 	USETW(req.wIndex, addr);
133902ac6454SAndrew Thompson 	USETW(req.wLength, len);
134002ac6454SAndrew Thompson 
134102ac6454SAndrew Thompson 	error = rum_do_request(sc, &req, buf);
134202ac6454SAndrew Thompson 	if (error != 0) {
134302ac6454SAndrew Thompson 		device_printf(sc->sc_dev, "could not read EEPROM: %s\n",
1344a593f6b8SAndrew Thompson 		    usbd_errstr(error));
134502ac6454SAndrew Thompson 	}
134602ac6454SAndrew Thompson }
134702ac6454SAndrew Thompson 
134802ac6454SAndrew Thompson static uint32_t
134902ac6454SAndrew Thompson rum_read(struct rum_softc *sc, uint16_t reg)
135002ac6454SAndrew Thompson {
135102ac6454SAndrew Thompson 	uint32_t val;
135202ac6454SAndrew Thompson 
135302ac6454SAndrew Thompson 	rum_read_multi(sc, reg, &val, sizeof val);
135402ac6454SAndrew Thompson 
135502ac6454SAndrew Thompson 	return le32toh(val);
135602ac6454SAndrew Thompson }
135702ac6454SAndrew Thompson 
135802ac6454SAndrew Thompson static void
135902ac6454SAndrew Thompson rum_read_multi(struct rum_softc *sc, uint16_t reg, void *buf, int len)
136002ac6454SAndrew Thompson {
1361760bc48eSAndrew Thompson 	struct usb_device_request req;
1362e0a69b51SAndrew Thompson 	usb_error_t error;
136302ac6454SAndrew Thompson 
136402ac6454SAndrew Thompson 	req.bmRequestType = UT_READ_VENDOR_DEVICE;
136502ac6454SAndrew Thompson 	req.bRequest = RT2573_READ_MULTI_MAC;
136602ac6454SAndrew Thompson 	USETW(req.wValue, 0);
136702ac6454SAndrew Thompson 	USETW(req.wIndex, reg);
136802ac6454SAndrew Thompson 	USETW(req.wLength, len);
136902ac6454SAndrew Thompson 
137002ac6454SAndrew Thompson 	error = rum_do_request(sc, &req, buf);
137102ac6454SAndrew Thompson 	if (error != 0) {
137202ac6454SAndrew Thompson 		device_printf(sc->sc_dev,
137302ac6454SAndrew Thompson 		    "could not multi read MAC register: %s\n",
1374a593f6b8SAndrew Thompson 		    usbd_errstr(error));
137502ac6454SAndrew Thompson 	}
137602ac6454SAndrew Thompson }
137702ac6454SAndrew Thompson 
1378e0a69b51SAndrew Thompson static usb_error_t
137902ac6454SAndrew Thompson rum_write(struct rum_softc *sc, uint16_t reg, uint32_t val)
138002ac6454SAndrew Thompson {
138102ac6454SAndrew Thompson 	uint32_t tmp = htole32(val);
138202ac6454SAndrew Thompson 
138377ddf3d3SAndrew Thompson 	return (rum_write_multi(sc, reg, &tmp, sizeof tmp));
138402ac6454SAndrew Thompson }
138502ac6454SAndrew Thompson 
1386e0a69b51SAndrew Thompson static usb_error_t
138702ac6454SAndrew Thompson rum_write_multi(struct rum_softc *sc, uint16_t reg, void *buf, size_t len)
138802ac6454SAndrew Thompson {
1389760bc48eSAndrew Thompson 	struct usb_device_request req;
1390e0a69b51SAndrew Thompson 	usb_error_t error;
13916d917491SHans Petter Selasky 	size_t offset;
139202ac6454SAndrew Thompson 
139302ac6454SAndrew Thompson 	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
139402ac6454SAndrew Thompson 	req.bRequest = RT2573_WRITE_MULTI_MAC;
139502ac6454SAndrew Thompson 	USETW(req.wValue, 0);
139602ac6454SAndrew Thompson 
139765d7e4d9SAdrian Chadd 	/* write at most 64 bytes at a time */
139865d7e4d9SAdrian Chadd 	for (offset = 0; offset < len; offset += 64) {
139965d7e4d9SAdrian Chadd 		USETW(req.wIndex, reg + offset);
140065d7e4d9SAdrian Chadd 		USETW(req.wLength, MIN(len - offset, 64));
140165d7e4d9SAdrian Chadd 
14028797cafeSBjoern A. Zeeb 		error = rum_do_request(sc, &req, (char *)buf + offset);
140302ac6454SAndrew Thompson 		if (error != 0) {
140402ac6454SAndrew Thompson 			device_printf(sc->sc_dev,
140502ac6454SAndrew Thompson 			    "could not multi write MAC register: %s\n",
1406a593f6b8SAndrew Thompson 			    usbd_errstr(error));
140777ddf3d3SAndrew Thompson 			return (error);
140802ac6454SAndrew Thompson 		}
140965d7e4d9SAdrian Chadd 	}
14108797cafeSBjoern A. Zeeb 
14118797cafeSBjoern A. Zeeb 	return (USB_ERR_NORMAL_COMPLETION);
141265d7e4d9SAdrian Chadd }
141302ac6454SAndrew Thompson 
1414*cc9ae761SAdrian Chadd static int
1415*cc9ae761SAdrian Chadd rum_bbp_busy(struct rum_softc *sc)
141602ac6454SAndrew Thompson {
141702ac6454SAndrew Thompson 	int ntries;
141802ac6454SAndrew Thompson 
141902ac6454SAndrew Thompson 	for (ntries = 0; ntries < 100; ntries++) {
142002ac6454SAndrew Thompson 		if (!(rum_read(sc, RT2573_PHY_CSR3) & RT2573_BBP_BUSY))
142102ac6454SAndrew Thompson 			break;
142202ac6454SAndrew Thompson 		if (rum_pause(sc, hz / 100))
142302ac6454SAndrew Thompson 			break;
142402ac6454SAndrew Thompson 	}
1425*cc9ae761SAdrian Chadd 	if (ntries == 100)
1426*cc9ae761SAdrian Chadd 		return (ETIMEDOUT);
1427*cc9ae761SAdrian Chadd 
1428*cc9ae761SAdrian Chadd 	return (0);
1429*cc9ae761SAdrian Chadd }
1430*cc9ae761SAdrian Chadd 
1431*cc9ae761SAdrian Chadd static void
1432*cc9ae761SAdrian Chadd rum_bbp_write(struct rum_softc *sc, uint8_t reg, uint8_t val)
1433*cc9ae761SAdrian Chadd {
1434*cc9ae761SAdrian Chadd 	uint32_t tmp;
1435*cc9ae761SAdrian Chadd 
1436*cc9ae761SAdrian Chadd 	DPRINTFN(2, "reg=0x%08x\n", reg);
1437*cc9ae761SAdrian Chadd 
1438*cc9ae761SAdrian Chadd 	if (rum_bbp_busy(sc) != 0) {
143902ac6454SAndrew Thompson 		device_printf(sc->sc_dev, "could not write to BBP\n");
144002ac6454SAndrew Thompson 		return;
144102ac6454SAndrew Thompson 	}
144202ac6454SAndrew Thompson 
144302ac6454SAndrew Thompson 	tmp = RT2573_BBP_BUSY | (reg & 0x7f) << 8 | val;
144402ac6454SAndrew Thompson 	rum_write(sc, RT2573_PHY_CSR3, tmp);
144502ac6454SAndrew Thompson }
144602ac6454SAndrew Thompson 
144702ac6454SAndrew Thompson static uint8_t
144802ac6454SAndrew Thompson rum_bbp_read(struct rum_softc *sc, uint8_t reg)
144902ac6454SAndrew Thompson {
145002ac6454SAndrew Thompson 	uint32_t val;
145102ac6454SAndrew Thompson 	int ntries;
145202ac6454SAndrew Thompson 
145377ddf3d3SAndrew Thompson 	DPRINTFN(2, "reg=0x%08x\n", reg);
145477ddf3d3SAndrew Thompson 
1455*cc9ae761SAdrian Chadd 	if (rum_bbp_busy(sc) != 0) {
145602ac6454SAndrew Thompson 		device_printf(sc->sc_dev, "could not read BBP\n");
145702ac6454SAndrew Thompson 		return 0;
145802ac6454SAndrew Thompson 	}
145902ac6454SAndrew Thompson 
146002ac6454SAndrew Thompson 	val = RT2573_BBP_BUSY | RT2573_BBP_READ | reg << 8;
146102ac6454SAndrew Thompson 	rum_write(sc, RT2573_PHY_CSR3, val);
146202ac6454SAndrew Thompson 
146302ac6454SAndrew Thompson 	for (ntries = 0; ntries < 100; ntries++) {
146402ac6454SAndrew Thompson 		val = rum_read(sc, RT2573_PHY_CSR3);
146502ac6454SAndrew Thompson 		if (!(val & RT2573_BBP_BUSY))
146602ac6454SAndrew Thompson 			return val & 0xff;
146702ac6454SAndrew Thompson 		if (rum_pause(sc, hz / 100))
146802ac6454SAndrew Thompson 			break;
146902ac6454SAndrew Thompson 	}
147002ac6454SAndrew Thompson 
147102ac6454SAndrew Thompson 	device_printf(sc->sc_dev, "could not read BBP\n");
147202ac6454SAndrew Thompson 	return 0;
147302ac6454SAndrew Thompson }
147402ac6454SAndrew Thompson 
147502ac6454SAndrew Thompson static void
147602ac6454SAndrew Thompson rum_rf_write(struct rum_softc *sc, uint8_t reg, uint32_t val)
147702ac6454SAndrew Thompson {
147802ac6454SAndrew Thompson 	uint32_t tmp;
147902ac6454SAndrew Thompson 	int ntries;
148002ac6454SAndrew Thompson 
148102ac6454SAndrew Thompson 	for (ntries = 0; ntries < 100; ntries++) {
148202ac6454SAndrew Thompson 		if (!(rum_read(sc, RT2573_PHY_CSR4) & RT2573_RF_BUSY))
148302ac6454SAndrew Thompson 			break;
148402ac6454SAndrew Thompson 		if (rum_pause(sc, hz / 100))
148502ac6454SAndrew Thompson 			break;
148602ac6454SAndrew Thompson 	}
148702ac6454SAndrew Thompson 	if (ntries == 100) {
148802ac6454SAndrew Thompson 		device_printf(sc->sc_dev, "could not write to RF\n");
148902ac6454SAndrew Thompson 		return;
149002ac6454SAndrew Thompson 	}
149102ac6454SAndrew Thompson 
149267784314SPoul-Henning Kamp 	tmp = RT2573_RF_BUSY | RT2573_RF_20BIT | (val & 0xfffff) << 2 |
149302ac6454SAndrew Thompson 	    (reg & 3);
149402ac6454SAndrew Thompson 	rum_write(sc, RT2573_PHY_CSR4, tmp);
149502ac6454SAndrew Thompson 
149602ac6454SAndrew Thompson 	/* remember last written value in sc */
149702ac6454SAndrew Thompson 	sc->rf_regs[reg] = val;
149802ac6454SAndrew Thompson 
149902ac6454SAndrew Thompson 	DPRINTFN(15, "RF R[%u] <- 0x%05x\n", reg & 3, val & 0xfffff);
150002ac6454SAndrew Thompson }
150102ac6454SAndrew Thompson 
150202ac6454SAndrew Thompson static void
150302ac6454SAndrew Thompson rum_select_antenna(struct rum_softc *sc)
150402ac6454SAndrew Thompson {
150502ac6454SAndrew Thompson 	uint8_t bbp4, bbp77;
150602ac6454SAndrew Thompson 	uint32_t tmp;
150702ac6454SAndrew Thompson 
150802ac6454SAndrew Thompson 	bbp4  = rum_bbp_read(sc, 4);
150902ac6454SAndrew Thompson 	bbp77 = rum_bbp_read(sc, 77);
151002ac6454SAndrew Thompson 
151102ac6454SAndrew Thompson 	/* TBD */
151202ac6454SAndrew Thompson 
151302ac6454SAndrew Thompson 	/* make sure Rx is disabled before switching antenna */
151402ac6454SAndrew Thompson 	tmp = rum_read(sc, RT2573_TXRX_CSR0);
151502ac6454SAndrew Thompson 	rum_write(sc, RT2573_TXRX_CSR0, tmp | RT2573_DISABLE_RX);
151602ac6454SAndrew Thompson 
151702ac6454SAndrew Thompson 	rum_bbp_write(sc,  4, bbp4);
151802ac6454SAndrew Thompson 	rum_bbp_write(sc, 77, bbp77);
151902ac6454SAndrew Thompson 
152002ac6454SAndrew Thompson 	rum_write(sc, RT2573_TXRX_CSR0, tmp);
152102ac6454SAndrew Thompson }
152202ac6454SAndrew Thompson 
152302ac6454SAndrew Thompson /*
152402ac6454SAndrew Thompson  * Enable multi-rate retries for frames sent at OFDM rates.
152502ac6454SAndrew Thompson  * In 802.11b/g mode, allow fallback to CCK rates.
152602ac6454SAndrew Thompson  */
152702ac6454SAndrew Thompson static void
152802ac6454SAndrew Thompson rum_enable_mrr(struct rum_softc *sc)
152902ac6454SAndrew Thompson {
15307a79cebfSGleb Smirnoff 	struct ieee80211com *ic = &sc->sc_ic;
153102ac6454SAndrew Thompson 	uint32_t tmp;
153202ac6454SAndrew Thompson 
153302ac6454SAndrew Thompson 	tmp = rum_read(sc, RT2573_TXRX_CSR4);
153402ac6454SAndrew Thompson 
153502ac6454SAndrew Thompson 	tmp &= ~RT2573_MRR_CCK_FALLBACK;
153602ac6454SAndrew Thompson 	if (!IEEE80211_IS_CHAN_5GHZ(ic->ic_bsschan))
153702ac6454SAndrew Thompson 		tmp |= RT2573_MRR_CCK_FALLBACK;
153802ac6454SAndrew Thompson 	tmp |= RT2573_MRR_ENABLED;
153902ac6454SAndrew Thompson 
154002ac6454SAndrew Thompson 	rum_write(sc, RT2573_TXRX_CSR4, tmp);
154102ac6454SAndrew Thompson }
154202ac6454SAndrew Thompson 
154302ac6454SAndrew Thompson static void
154402ac6454SAndrew Thompson rum_set_txpreamble(struct rum_softc *sc)
154502ac6454SAndrew Thompson {
15467a79cebfSGleb Smirnoff 	struct ieee80211com *ic = &sc->sc_ic;
154702ac6454SAndrew Thompson 	uint32_t tmp;
154802ac6454SAndrew Thompson 
154902ac6454SAndrew Thompson 	tmp = rum_read(sc, RT2573_TXRX_CSR4);
155002ac6454SAndrew Thompson 
155102ac6454SAndrew Thompson 	tmp &= ~RT2573_SHORT_PREAMBLE;
155202ac6454SAndrew Thompson 	if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
155302ac6454SAndrew Thompson 		tmp |= RT2573_SHORT_PREAMBLE;
155402ac6454SAndrew Thompson 
155502ac6454SAndrew Thompson 	rum_write(sc, RT2573_TXRX_CSR4, tmp);
155602ac6454SAndrew Thompson }
155702ac6454SAndrew Thompson 
155802ac6454SAndrew Thompson static void
155902ac6454SAndrew Thompson rum_set_basicrates(struct rum_softc *sc)
156002ac6454SAndrew Thompson {
15617a79cebfSGleb Smirnoff 	struct ieee80211com *ic = &sc->sc_ic;
156202ac6454SAndrew Thompson 
156302ac6454SAndrew Thompson 	/* update basic rate set */
156402ac6454SAndrew Thompson 	if (ic->ic_curmode == IEEE80211_MODE_11B) {
156502ac6454SAndrew Thompson 		/* 11b basic rates: 1, 2Mbps */
156602ac6454SAndrew Thompson 		rum_write(sc, RT2573_TXRX_CSR5, 0x3);
156702ac6454SAndrew Thompson 	} else if (IEEE80211_IS_CHAN_5GHZ(ic->ic_bsschan)) {
156802ac6454SAndrew Thompson 		/* 11a basic rates: 6, 12, 24Mbps */
156902ac6454SAndrew Thompson 		rum_write(sc, RT2573_TXRX_CSR5, 0x150);
157002ac6454SAndrew Thompson 	} else {
157102ac6454SAndrew Thompson 		/* 11b/g basic rates: 1, 2, 5.5, 11Mbps */
157202ac6454SAndrew Thompson 		rum_write(sc, RT2573_TXRX_CSR5, 0xf);
157302ac6454SAndrew Thompson 	}
157402ac6454SAndrew Thompson }
157502ac6454SAndrew Thompson 
157602ac6454SAndrew Thompson /*
157702ac6454SAndrew Thompson  * Reprogram MAC/BBP to switch to a new band.  Values taken from the reference
157802ac6454SAndrew Thompson  * driver.
157902ac6454SAndrew Thompson  */
158002ac6454SAndrew Thompson static void
158102ac6454SAndrew Thompson rum_select_band(struct rum_softc *sc, struct ieee80211_channel *c)
158202ac6454SAndrew Thompson {
158302ac6454SAndrew Thompson 	uint8_t bbp17, bbp35, bbp96, bbp97, bbp98, bbp104;
158402ac6454SAndrew Thompson 	uint32_t tmp;
158502ac6454SAndrew Thompson 
158602ac6454SAndrew Thompson 	/* update all BBP registers that depend on the band */
158702ac6454SAndrew Thompson 	bbp17 = 0x20; bbp96 = 0x48; bbp104 = 0x2c;
158802ac6454SAndrew Thompson 	bbp35 = 0x50; bbp97 = 0x48; bbp98  = 0x48;
158902ac6454SAndrew Thompson 	if (IEEE80211_IS_CHAN_5GHZ(c)) {
159002ac6454SAndrew Thompson 		bbp17 += 0x08; bbp96 += 0x10; bbp104 += 0x0c;
159102ac6454SAndrew Thompson 		bbp35 += 0x10; bbp97 += 0x10; bbp98  += 0x10;
159202ac6454SAndrew Thompson 	}
159302ac6454SAndrew Thompson 	if ((IEEE80211_IS_CHAN_2GHZ(c) && sc->ext_2ghz_lna) ||
159402ac6454SAndrew Thompson 	    (IEEE80211_IS_CHAN_5GHZ(c) && sc->ext_5ghz_lna)) {
159502ac6454SAndrew Thompson 		bbp17 += 0x10; bbp96 += 0x10; bbp104 += 0x10;
159602ac6454SAndrew Thompson 	}
159702ac6454SAndrew Thompson 
159802ac6454SAndrew Thompson 	sc->bbp17 = bbp17;
159902ac6454SAndrew Thompson 	rum_bbp_write(sc,  17, bbp17);
160002ac6454SAndrew Thompson 	rum_bbp_write(sc,  96, bbp96);
160102ac6454SAndrew Thompson 	rum_bbp_write(sc, 104, bbp104);
160202ac6454SAndrew Thompson 
160302ac6454SAndrew Thompson 	if ((IEEE80211_IS_CHAN_2GHZ(c) && sc->ext_2ghz_lna) ||
160402ac6454SAndrew Thompson 	    (IEEE80211_IS_CHAN_5GHZ(c) && sc->ext_5ghz_lna)) {
160502ac6454SAndrew Thompson 		rum_bbp_write(sc, 75, 0x80);
160602ac6454SAndrew Thompson 		rum_bbp_write(sc, 86, 0x80);
160702ac6454SAndrew Thompson 		rum_bbp_write(sc, 88, 0x80);
160802ac6454SAndrew Thompson 	}
160902ac6454SAndrew Thompson 
161002ac6454SAndrew Thompson 	rum_bbp_write(sc, 35, bbp35);
161102ac6454SAndrew Thompson 	rum_bbp_write(sc, 97, bbp97);
161202ac6454SAndrew Thompson 	rum_bbp_write(sc, 98, bbp98);
161302ac6454SAndrew Thompson 
161402ac6454SAndrew Thompson 	tmp = rum_read(sc, RT2573_PHY_CSR0);
161502ac6454SAndrew Thompson 	tmp &= ~(RT2573_PA_PE_2GHZ | RT2573_PA_PE_5GHZ);
161602ac6454SAndrew Thompson 	if (IEEE80211_IS_CHAN_2GHZ(c))
161702ac6454SAndrew Thompson 		tmp |= RT2573_PA_PE_2GHZ;
161802ac6454SAndrew Thompson 	else
161902ac6454SAndrew Thompson 		tmp |= RT2573_PA_PE_5GHZ;
162002ac6454SAndrew Thompson 	rum_write(sc, RT2573_PHY_CSR0, tmp);
162102ac6454SAndrew Thompson }
162202ac6454SAndrew Thompson 
162302ac6454SAndrew Thompson static void
162402ac6454SAndrew Thompson rum_set_chan(struct rum_softc *sc, struct ieee80211_channel *c)
162502ac6454SAndrew Thompson {
16267a79cebfSGleb Smirnoff 	struct ieee80211com *ic = &sc->sc_ic;
162702ac6454SAndrew Thompson 	const struct rfprog *rfprog;
162802ac6454SAndrew Thompson 	uint8_t bbp3, bbp94 = RT2573_BBPR94_DEFAULT;
162902ac6454SAndrew Thompson 	int8_t power;
163002ac6454SAndrew Thompson 	int i, chan;
163102ac6454SAndrew Thompson 
163202ac6454SAndrew Thompson 	chan = ieee80211_chan2ieee(ic, c);
163302ac6454SAndrew Thompson 	if (chan == 0 || chan == IEEE80211_CHAN_ANY)
163402ac6454SAndrew Thompson 		return;
163502ac6454SAndrew Thompson 
163602ac6454SAndrew Thompson 	/* select the appropriate RF settings based on what EEPROM says */
163702ac6454SAndrew Thompson 	rfprog = (sc->rf_rev == RT2573_RF_5225 ||
163802ac6454SAndrew Thompson 		  sc->rf_rev == RT2573_RF_2527) ? rum_rf5225 : rum_rf5226;
163902ac6454SAndrew Thompson 
164002ac6454SAndrew Thompson 	/* find the settings for this channel (we know it exists) */
164102ac6454SAndrew Thompson 	for (i = 0; rfprog[i].chan != chan; i++);
164202ac6454SAndrew Thompson 
164302ac6454SAndrew Thompson 	power = sc->txpow[i];
164402ac6454SAndrew Thompson 	if (power < 0) {
164502ac6454SAndrew Thompson 		bbp94 += power;
164602ac6454SAndrew Thompson 		power = 0;
164702ac6454SAndrew Thompson 	} else if (power > 31) {
164802ac6454SAndrew Thompson 		bbp94 += power - 31;
164902ac6454SAndrew Thompson 		power = 31;
165002ac6454SAndrew Thompson 	}
165102ac6454SAndrew Thompson 
165202ac6454SAndrew Thompson 	/*
165302ac6454SAndrew Thompson 	 * If we are switching from the 2GHz band to the 5GHz band or
165402ac6454SAndrew Thompson 	 * vice-versa, BBP registers need to be reprogrammed.
165502ac6454SAndrew Thompson 	 */
165602ac6454SAndrew Thompson 	if (c->ic_flags != ic->ic_curchan->ic_flags) {
165702ac6454SAndrew Thompson 		rum_select_band(sc, c);
165802ac6454SAndrew Thompson 		rum_select_antenna(sc);
165902ac6454SAndrew Thompson 	}
166002ac6454SAndrew Thompson 	ic->ic_curchan = c;
166102ac6454SAndrew Thompson 
166202ac6454SAndrew Thompson 	rum_rf_write(sc, RT2573_RF1, rfprog[i].r1);
166302ac6454SAndrew Thompson 	rum_rf_write(sc, RT2573_RF2, rfprog[i].r2);
166402ac6454SAndrew Thompson 	rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7);
166502ac6454SAndrew Thompson 	rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10);
166602ac6454SAndrew Thompson 
166702ac6454SAndrew Thompson 	rum_rf_write(sc, RT2573_RF1, rfprog[i].r1);
166802ac6454SAndrew Thompson 	rum_rf_write(sc, RT2573_RF2, rfprog[i].r2);
166902ac6454SAndrew Thompson 	rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7 | 1);
167002ac6454SAndrew Thompson 	rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10);
167102ac6454SAndrew Thompson 
167202ac6454SAndrew Thompson 	rum_rf_write(sc, RT2573_RF1, rfprog[i].r1);
167302ac6454SAndrew Thompson 	rum_rf_write(sc, RT2573_RF2, rfprog[i].r2);
167402ac6454SAndrew Thompson 	rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7);
167502ac6454SAndrew Thompson 	rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10);
167602ac6454SAndrew Thompson 
167702ac6454SAndrew Thompson 	rum_pause(sc, hz / 100);
167802ac6454SAndrew Thompson 
167902ac6454SAndrew Thompson 	/* enable smart mode for MIMO-capable RFs */
168002ac6454SAndrew Thompson 	bbp3 = rum_bbp_read(sc, 3);
168102ac6454SAndrew Thompson 
168202ac6454SAndrew Thompson 	bbp3 &= ~RT2573_SMART_MODE;
168302ac6454SAndrew Thompson 	if (sc->rf_rev == RT2573_RF_5225 || sc->rf_rev == RT2573_RF_2527)
168402ac6454SAndrew Thompson 		bbp3 |= RT2573_SMART_MODE;
168502ac6454SAndrew Thompson 
168602ac6454SAndrew Thompson 	rum_bbp_write(sc, 3, bbp3);
168702ac6454SAndrew Thompson 
168802ac6454SAndrew Thompson 	if (bbp94 != RT2573_BBPR94_DEFAULT)
168902ac6454SAndrew Thompson 		rum_bbp_write(sc, 94, bbp94);
169077ddf3d3SAndrew Thompson 
169177ddf3d3SAndrew Thompson 	/* give the chip some extra time to do the switchover */
169277ddf3d3SAndrew Thompson 	rum_pause(sc, hz / 100);
169302ac6454SAndrew Thompson }
169402ac6454SAndrew Thompson 
169502ac6454SAndrew Thompson /*
169602ac6454SAndrew Thompson  * Enable TSF synchronization and tell h/w to start sending beacons for IBSS
169702ac6454SAndrew Thompson  * and HostAP operating modes.
169802ac6454SAndrew Thompson  */
169902ac6454SAndrew Thompson static void
170002ac6454SAndrew Thompson rum_enable_tsf_sync(struct rum_softc *sc)
170102ac6454SAndrew Thompson {
17027a79cebfSGleb Smirnoff 	struct ieee80211com *ic = &sc->sc_ic;
170302ac6454SAndrew Thompson 	struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
170402ac6454SAndrew Thompson 	uint32_t tmp;
170502ac6454SAndrew Thompson 
170602ac6454SAndrew Thompson 	if (vap->iv_opmode != IEEE80211_M_STA) {
170702ac6454SAndrew Thompson 		/*
170802ac6454SAndrew Thompson 		 * Change default 16ms TBTT adjustment to 8ms.
170902ac6454SAndrew Thompson 		 * Must be done before enabling beacon generation.
171002ac6454SAndrew Thompson 		 */
171102ac6454SAndrew Thompson 		rum_write(sc, RT2573_TXRX_CSR10, 1 << 12 | 8);
171202ac6454SAndrew Thompson 	}
171302ac6454SAndrew Thompson 
171402ac6454SAndrew Thompson 	tmp = rum_read(sc, RT2573_TXRX_CSR9) & 0xff000000;
171502ac6454SAndrew Thompson 
171602ac6454SAndrew Thompson 	/* set beacon interval (in 1/16ms unit) */
171702ac6454SAndrew Thompson 	tmp |= vap->iv_bss->ni_intval * 16;
171802ac6454SAndrew Thompson 
171902ac6454SAndrew Thompson 	tmp |= RT2573_TSF_TICKING | RT2573_ENABLE_TBTT;
172002ac6454SAndrew Thompson 	if (vap->iv_opmode == IEEE80211_M_STA)
172102ac6454SAndrew Thompson 		tmp |= RT2573_TSF_MODE(1);
172202ac6454SAndrew Thompson 	else
172302ac6454SAndrew Thompson 		tmp |= RT2573_TSF_MODE(2) | RT2573_GENERATE_BEACON;
172402ac6454SAndrew Thompson 
172502ac6454SAndrew Thompson 	rum_write(sc, RT2573_TXRX_CSR9, tmp);
172602ac6454SAndrew Thompson }
172702ac6454SAndrew Thompson 
172802ac6454SAndrew Thompson static void
17295463c4a4SSam Leffler rum_enable_tsf(struct rum_softc *sc)
17305463c4a4SSam Leffler {
17315463c4a4SSam Leffler 	rum_write(sc, RT2573_TXRX_CSR9,
17325463c4a4SSam Leffler 	    (rum_read(sc, RT2573_TXRX_CSR9) & 0xff000000) |
17335463c4a4SSam Leffler 	    RT2573_TSF_TICKING | RT2573_TSF_MODE(2));
17345463c4a4SSam Leffler }
17355463c4a4SSam Leffler 
17365463c4a4SSam Leffler static void
17376d804321SAdrian Chadd rum_abort_tsf_sync(struct rum_softc *sc)
17386d804321SAdrian Chadd {
17396d804321SAdrian Chadd 	uint32_t tmp;
17406d804321SAdrian Chadd 
17416d804321SAdrian Chadd 	tmp = rum_read(sc, RT2573_TXRX_CSR9);
17426d804321SAdrian Chadd 	rum_write(sc, RT2573_TXRX_CSR9, tmp & ~0x00ffffff);
17436d804321SAdrian Chadd }
17446d804321SAdrian Chadd 
17456d804321SAdrian Chadd static void
17467a79cebfSGleb Smirnoff rum_update_slot(struct rum_softc *sc)
174702ac6454SAndrew Thompson {
17487a79cebfSGleb Smirnoff 	struct ieee80211com *ic = &sc->sc_ic;
174902ac6454SAndrew Thompson 	uint8_t slottime;
175002ac6454SAndrew Thompson 	uint32_t tmp;
175102ac6454SAndrew Thompson 
175202ac6454SAndrew Thompson 	slottime = (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
175302ac6454SAndrew Thompson 
175402ac6454SAndrew Thompson 	tmp = rum_read(sc, RT2573_MAC_CSR9);
175502ac6454SAndrew Thompson 	tmp = (tmp & ~0xff) | slottime;
175602ac6454SAndrew Thompson 	rum_write(sc, RT2573_MAC_CSR9, tmp);
175702ac6454SAndrew Thompson 
175802ac6454SAndrew Thompson 	DPRINTF("setting slot time to %uus\n", slottime);
175902ac6454SAndrew Thompson }
176002ac6454SAndrew Thompson 
176102ac6454SAndrew Thompson static void
176202ac6454SAndrew Thompson rum_set_bssid(struct rum_softc *sc, const uint8_t *bssid)
176302ac6454SAndrew Thompson {
176402ac6454SAndrew Thompson 	uint32_t tmp;
176502ac6454SAndrew Thompson 
176602ac6454SAndrew Thompson 	tmp = bssid[0] | bssid[1] << 8 | bssid[2] << 16 | bssid[3] << 24;
176702ac6454SAndrew Thompson 	rum_write(sc, RT2573_MAC_CSR4, tmp);
176802ac6454SAndrew Thompson 
176902ac6454SAndrew Thompson 	tmp = bssid[4] | bssid[5] << 8 | RT2573_ONE_BSSID << 16;
177002ac6454SAndrew Thompson 	rum_write(sc, RT2573_MAC_CSR5, tmp);
177102ac6454SAndrew Thompson }
177202ac6454SAndrew Thompson 
177302ac6454SAndrew Thompson static void
177402ac6454SAndrew Thompson rum_set_macaddr(struct rum_softc *sc, const uint8_t *addr)
177502ac6454SAndrew Thompson {
177602ac6454SAndrew Thompson 	uint32_t tmp;
177702ac6454SAndrew Thompson 
177802ac6454SAndrew Thompson 	tmp = addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24;
177902ac6454SAndrew Thompson 	rum_write(sc, RT2573_MAC_CSR2, tmp);
178002ac6454SAndrew Thompson 
178102ac6454SAndrew Thompson 	tmp = addr[4] | addr[5] << 8 | 0xff << 16;
178202ac6454SAndrew Thompson 	rum_write(sc, RT2573_MAC_CSR3, tmp);
178302ac6454SAndrew Thompson }
178402ac6454SAndrew Thompson 
178502ac6454SAndrew Thompson static void
17865efea30fSAndrew Thompson rum_setpromisc(struct rum_softc *sc)
178702ac6454SAndrew Thompson {
178802ac6454SAndrew Thompson 	uint32_t tmp;
178902ac6454SAndrew Thompson 
179002ac6454SAndrew Thompson 	tmp = rum_read(sc, RT2573_TXRX_CSR0);
179102ac6454SAndrew Thompson 
179202ac6454SAndrew Thompson 	tmp &= ~RT2573_DROP_NOT_TO_ME;
17937a79cebfSGleb Smirnoff 	if (sc->sc_ic.ic_promisc == 0)
179402ac6454SAndrew Thompson 		tmp |= RT2573_DROP_NOT_TO_ME;
179502ac6454SAndrew Thompson 
179602ac6454SAndrew Thompson 	rum_write(sc, RT2573_TXRX_CSR0, tmp);
179702ac6454SAndrew Thompson 
17987a79cebfSGleb Smirnoff 	DPRINTF("%s promiscuous mode\n", sc->sc_ic.ic_promisc > 0 ?
179902ac6454SAndrew Thompson 	    "entering" : "leaving");
180002ac6454SAndrew Thompson }
180102ac6454SAndrew Thompson 
180277ddf3d3SAndrew Thompson static void
1803272f6adeSGleb Smirnoff rum_update_promisc(struct ieee80211com *ic)
180477ddf3d3SAndrew Thompson {
1805272f6adeSGleb Smirnoff 	struct rum_softc *sc = ic->ic_softc;
180677ddf3d3SAndrew Thompson 
1807ba2c1fbcSAdrian Chadd 	RUM_LOCK(sc);
18087a79cebfSGleb Smirnoff 	if (!sc->sc_running) {
18097a79cebfSGleb Smirnoff 		RUM_UNLOCK(sc);
18107a79cebfSGleb Smirnoff 		return;
18117a79cebfSGleb Smirnoff 	}
18125efea30fSAndrew Thompson 	rum_setpromisc(sc);
181377ddf3d3SAndrew Thompson 	RUM_UNLOCK(sc);
181477ddf3d3SAndrew Thompson }
181577ddf3d3SAndrew Thompson 
18166dd8e071SEd Maste static void
1817272f6adeSGleb Smirnoff rum_update_mcast(struct ieee80211com *ic)
18186dd8e071SEd Maste {
18192c7dee3bSEd Maste 	static int warning_printed;
18206dd8e071SEd Maste 
18212c7dee3bSEd Maste 	if (warning_printed == 0) {
1822272f6adeSGleb Smirnoff 		ic_printf(ic, "need to implement %s\n", __func__);
18232c7dee3bSEd Maste 		warning_printed = 1;
18242c7dee3bSEd Maste 	}
18256dd8e071SEd Maste }
18266dd8e071SEd Maste 
182702ac6454SAndrew Thompson static const char *
182802ac6454SAndrew Thompson rum_get_rf(int rev)
182902ac6454SAndrew Thompson {
183002ac6454SAndrew Thompson 	switch (rev) {
183102ac6454SAndrew Thompson 	case RT2573_RF_2527:	return "RT2527 (MIMO XR)";
183202ac6454SAndrew Thompson 	case RT2573_RF_2528:	return "RT2528";
183302ac6454SAndrew Thompson 	case RT2573_RF_5225:	return "RT5225 (MIMO XR)";
183402ac6454SAndrew Thompson 	case RT2573_RF_5226:	return "RT5226";
183502ac6454SAndrew Thompson 	default:		return "unknown";
183602ac6454SAndrew Thompson 	}
183702ac6454SAndrew Thompson }
183802ac6454SAndrew Thompson 
183902ac6454SAndrew Thompson static void
184002ac6454SAndrew Thompson rum_read_eeprom(struct rum_softc *sc)
184102ac6454SAndrew Thompson {
184202ac6454SAndrew Thompson 	uint16_t val;
184302ac6454SAndrew Thompson #ifdef RUM_DEBUG
184402ac6454SAndrew Thompson 	int i;
184502ac6454SAndrew Thompson #endif
184602ac6454SAndrew Thompson 
184702ac6454SAndrew Thompson 	/* read MAC address */
18487a79cebfSGleb Smirnoff 	rum_eeprom_read(sc, RT2573_EEPROM_ADDRESS, sc->sc_ic.ic_macaddr, 6);
184902ac6454SAndrew Thompson 
185002ac6454SAndrew Thompson 	rum_eeprom_read(sc, RT2573_EEPROM_ANTENNA, &val, 2);
185102ac6454SAndrew Thompson 	val = le16toh(val);
185202ac6454SAndrew Thompson 	sc->rf_rev =   (val >> 11) & 0x1f;
185302ac6454SAndrew Thompson 	sc->hw_radio = (val >> 10) & 0x1;
185402ac6454SAndrew Thompson 	sc->rx_ant =   (val >> 4)  & 0x3;
185502ac6454SAndrew Thompson 	sc->tx_ant =   (val >> 2)  & 0x3;
185602ac6454SAndrew Thompson 	sc->nb_ant =   val & 0x3;
185702ac6454SAndrew Thompson 
185802ac6454SAndrew Thompson 	DPRINTF("RF revision=%d\n", sc->rf_rev);
185902ac6454SAndrew Thompson 
186002ac6454SAndrew Thompson 	rum_eeprom_read(sc, RT2573_EEPROM_CONFIG2, &val, 2);
186102ac6454SAndrew Thompson 	val = le16toh(val);
186202ac6454SAndrew Thompson 	sc->ext_5ghz_lna = (val >> 6) & 0x1;
186302ac6454SAndrew Thompson 	sc->ext_2ghz_lna = (val >> 4) & 0x1;
186402ac6454SAndrew Thompson 
186502ac6454SAndrew Thompson 	DPRINTF("External 2GHz LNA=%d\nExternal 5GHz LNA=%d\n",
186602ac6454SAndrew Thompson 	    sc->ext_2ghz_lna, sc->ext_5ghz_lna);
186702ac6454SAndrew Thompson 
186802ac6454SAndrew Thompson 	rum_eeprom_read(sc, RT2573_EEPROM_RSSI_2GHZ_OFFSET, &val, 2);
186902ac6454SAndrew Thompson 	val = le16toh(val);
187002ac6454SAndrew Thompson 	if ((val & 0xff) != 0xff)
187102ac6454SAndrew Thompson 		sc->rssi_2ghz_corr = (int8_t)(val & 0xff);	/* signed */
187202ac6454SAndrew Thompson 
187302ac6454SAndrew Thompson 	/* Only [-10, 10] is valid */
187402ac6454SAndrew Thompson 	if (sc->rssi_2ghz_corr < -10 || sc->rssi_2ghz_corr > 10)
187502ac6454SAndrew Thompson 		sc->rssi_2ghz_corr = 0;
187602ac6454SAndrew Thompson 
187702ac6454SAndrew Thompson 	rum_eeprom_read(sc, RT2573_EEPROM_RSSI_5GHZ_OFFSET, &val, 2);
187802ac6454SAndrew Thompson 	val = le16toh(val);
187902ac6454SAndrew Thompson 	if ((val & 0xff) != 0xff)
188002ac6454SAndrew Thompson 		sc->rssi_5ghz_corr = (int8_t)(val & 0xff);	/* signed */
188102ac6454SAndrew Thompson 
188202ac6454SAndrew Thompson 	/* Only [-10, 10] is valid */
188302ac6454SAndrew Thompson 	if (sc->rssi_5ghz_corr < -10 || sc->rssi_5ghz_corr > 10)
188402ac6454SAndrew Thompson 		sc->rssi_5ghz_corr = 0;
188502ac6454SAndrew Thompson 
188602ac6454SAndrew Thompson 	if (sc->ext_2ghz_lna)
188702ac6454SAndrew Thompson 		sc->rssi_2ghz_corr -= 14;
188802ac6454SAndrew Thompson 	if (sc->ext_5ghz_lna)
188902ac6454SAndrew Thompson 		sc->rssi_5ghz_corr -= 14;
189002ac6454SAndrew Thompson 
189102ac6454SAndrew Thompson 	DPRINTF("RSSI 2GHz corr=%d\nRSSI 5GHz corr=%d\n",
189202ac6454SAndrew Thompson 	    sc->rssi_2ghz_corr, sc->rssi_5ghz_corr);
189302ac6454SAndrew Thompson 
189402ac6454SAndrew Thompson 	rum_eeprom_read(sc, RT2573_EEPROM_FREQ_OFFSET, &val, 2);
189502ac6454SAndrew Thompson 	val = le16toh(val);
189602ac6454SAndrew Thompson 	if ((val & 0xff) != 0xff)
189702ac6454SAndrew Thompson 		sc->rffreq = val & 0xff;
189802ac6454SAndrew Thompson 
189902ac6454SAndrew Thompson 	DPRINTF("RF freq=%d\n", sc->rffreq);
190002ac6454SAndrew Thompson 
190102ac6454SAndrew Thompson 	/* read Tx power for all a/b/g channels */
190202ac6454SAndrew Thompson 	rum_eeprom_read(sc, RT2573_EEPROM_TXPOWER, sc->txpow, 14);
190302ac6454SAndrew Thompson 	/* XXX default Tx power for 802.11a channels */
190402ac6454SAndrew Thompson 	memset(sc->txpow + 14, 24, sizeof (sc->txpow) - 14);
190502ac6454SAndrew Thompson #ifdef RUM_DEBUG
190602ac6454SAndrew Thompson 	for (i = 0; i < 14; i++)
190702ac6454SAndrew Thompson 		DPRINTF("Channel=%d Tx power=%d\n", i + 1,  sc->txpow[i]);
190802ac6454SAndrew Thompson #endif
190902ac6454SAndrew Thompson 
191002ac6454SAndrew Thompson 	/* read default values for BBP registers */
191102ac6454SAndrew Thompson 	rum_eeprom_read(sc, RT2573_EEPROM_BBP_BASE, sc->bbp_prom, 2 * 16);
191202ac6454SAndrew Thompson #ifdef RUM_DEBUG
191302ac6454SAndrew Thompson 	for (i = 0; i < 14; i++) {
191402ac6454SAndrew Thompson 		if (sc->bbp_prom[i].reg == 0 || sc->bbp_prom[i].reg == 0xff)
191502ac6454SAndrew Thompson 			continue;
191602ac6454SAndrew Thompson 		DPRINTF("BBP R%d=%02x\n", sc->bbp_prom[i].reg,
191702ac6454SAndrew Thompson 		    sc->bbp_prom[i].val);
191802ac6454SAndrew Thompson 	}
191902ac6454SAndrew Thompson #endif
192002ac6454SAndrew Thompson }
192102ac6454SAndrew Thompson 
192202ac6454SAndrew Thompson static int
192302ac6454SAndrew Thompson rum_bbp_init(struct rum_softc *sc)
192402ac6454SAndrew Thompson {
192502ac6454SAndrew Thompson 	int i, ntries;
192602ac6454SAndrew Thompson 
192702ac6454SAndrew Thompson 	/* wait for BBP to be ready */
192802ac6454SAndrew Thompson 	for (ntries = 0; ntries < 100; ntries++) {
192902ac6454SAndrew Thompson 		const uint8_t val = rum_bbp_read(sc, 0);
193002ac6454SAndrew Thompson 		if (val != 0 && val != 0xff)
193102ac6454SAndrew Thompson 			break;
193202ac6454SAndrew Thompson 		if (rum_pause(sc, hz / 100))
193302ac6454SAndrew Thompson 			break;
193402ac6454SAndrew Thompson 	}
193502ac6454SAndrew Thompson 	if (ntries == 100) {
193602ac6454SAndrew Thompson 		device_printf(sc->sc_dev, "timeout waiting for BBP\n");
193702ac6454SAndrew Thompson 		return EIO;
193802ac6454SAndrew Thompson 	}
193902ac6454SAndrew Thompson 
194002ac6454SAndrew Thompson 	/* initialize BBP registers to default values */
194102ac6454SAndrew Thompson 	for (i = 0; i < N(rum_def_bbp); i++)
194202ac6454SAndrew Thompson 		rum_bbp_write(sc, rum_def_bbp[i].reg, rum_def_bbp[i].val);
194302ac6454SAndrew Thompson 
194402ac6454SAndrew Thompson 	/* write vendor-specific BBP values (from EEPROM) */
194502ac6454SAndrew Thompson 	for (i = 0; i < 16; i++) {
194602ac6454SAndrew Thompson 		if (sc->bbp_prom[i].reg == 0 || sc->bbp_prom[i].reg == 0xff)
194702ac6454SAndrew Thompson 			continue;
194802ac6454SAndrew Thompson 		rum_bbp_write(sc, sc->bbp_prom[i].reg, sc->bbp_prom[i].val);
194902ac6454SAndrew Thompson 	}
195002ac6454SAndrew Thompson 
195102ac6454SAndrew Thompson 	return 0;
195202ac6454SAndrew Thompson }
195302ac6454SAndrew Thompson 
195402ac6454SAndrew Thompson static void
19557a79cebfSGleb Smirnoff rum_init(struct rum_softc *sc)
195602ac6454SAndrew Thompson {
19577a79cebfSGleb Smirnoff 	struct ieee80211com *ic = &sc->sc_ic;
19587a79cebfSGleb Smirnoff 	struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
195902ac6454SAndrew Thompson 	uint32_t tmp;
1960e0a69b51SAndrew Thompson 	usb_error_t error;
196102ac6454SAndrew Thompson 	int i, ntries;
196202ac6454SAndrew Thompson 
196302ac6454SAndrew Thompson 	RUM_LOCK_ASSERT(sc, MA_OWNED);
196402ac6454SAndrew Thompson 
19655efea30fSAndrew Thompson 	rum_stop(sc);
196602ac6454SAndrew Thompson 
196702ac6454SAndrew Thompson 	/* initialize MAC registers to default values */
196802ac6454SAndrew Thompson 	for (i = 0; i < N(rum_def_mac); i++)
196902ac6454SAndrew Thompson 		rum_write(sc, rum_def_mac[i].reg, rum_def_mac[i].val);
197002ac6454SAndrew Thompson 
197102ac6454SAndrew Thompson 	/* set host ready */
197202ac6454SAndrew Thompson 	rum_write(sc, RT2573_MAC_CSR1, 3);
197302ac6454SAndrew Thompson 	rum_write(sc, RT2573_MAC_CSR1, 0);
197402ac6454SAndrew Thompson 
197502ac6454SAndrew Thompson 	/* wait for BBP/RF to wakeup */
197602ac6454SAndrew Thompson 	for (ntries = 0; ntries < 100; ntries++) {
197702ac6454SAndrew Thompson 		if (rum_read(sc, RT2573_MAC_CSR12) & 8)
197802ac6454SAndrew Thompson 			break;
197902ac6454SAndrew Thompson 		rum_write(sc, RT2573_MAC_CSR12, 4);	/* force wakeup */
198002ac6454SAndrew Thompson 		if (rum_pause(sc, hz / 100))
198102ac6454SAndrew Thompson 			break;
198202ac6454SAndrew Thompson 	}
198302ac6454SAndrew Thompson 	if (ntries == 100) {
198402ac6454SAndrew Thompson 		device_printf(sc->sc_dev,
198502ac6454SAndrew Thompson 		    "timeout waiting for BBP/RF to wakeup\n");
198602ac6454SAndrew Thompson 		goto fail;
198702ac6454SAndrew Thompson 	}
198802ac6454SAndrew Thompson 
198902ac6454SAndrew Thompson 	if ((error = rum_bbp_init(sc)) != 0)
199002ac6454SAndrew Thompson 		goto fail;
199102ac6454SAndrew Thompson 
199202ac6454SAndrew Thompson 	/* select default channel */
199302ac6454SAndrew Thompson 	rum_select_band(sc, ic->ic_curchan);
199402ac6454SAndrew Thompson 	rum_select_antenna(sc);
199502ac6454SAndrew Thompson 	rum_set_chan(sc, ic->ic_curchan);
199602ac6454SAndrew Thompson 
199702ac6454SAndrew Thompson 	/* clear STA registers */
199802ac6454SAndrew Thompson 	rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof sc->sta);
199902ac6454SAndrew Thompson 
20007a79cebfSGleb Smirnoff 	rum_set_macaddr(sc, vap ? vap->iv_myaddr : ic->ic_macaddr);
200102ac6454SAndrew Thompson 
200202ac6454SAndrew Thompson 	/* initialize ASIC */
200302ac6454SAndrew Thompson 	rum_write(sc, RT2573_MAC_CSR1, 4);
200402ac6454SAndrew Thompson 
200502ac6454SAndrew Thompson 	/*
200602ac6454SAndrew Thompson 	 * Allocate Tx and Rx xfer queues.
200702ac6454SAndrew Thompson 	 */
200802ac6454SAndrew Thompson 	rum_setup_tx_list(sc);
200902ac6454SAndrew Thompson 
201002ac6454SAndrew Thompson 	/* update Rx filter */
201102ac6454SAndrew Thompson 	tmp = rum_read(sc, RT2573_TXRX_CSR0) & 0xffff;
201202ac6454SAndrew Thompson 
201302ac6454SAndrew Thompson 	tmp |= RT2573_DROP_PHY_ERROR | RT2573_DROP_CRC_ERROR;
201402ac6454SAndrew Thompson 	if (ic->ic_opmode != IEEE80211_M_MONITOR) {
201502ac6454SAndrew Thompson 		tmp |= RT2573_DROP_CTL | RT2573_DROP_VER_ERROR |
201602ac6454SAndrew Thompson 		       RT2573_DROP_ACKCTS;
201702ac6454SAndrew Thompson 		if (ic->ic_opmode != IEEE80211_M_HOSTAP)
201802ac6454SAndrew Thompson 			tmp |= RT2573_DROP_TODS;
20197a79cebfSGleb Smirnoff 		if (ic->ic_promisc == 0)
202002ac6454SAndrew Thompson 			tmp |= RT2573_DROP_NOT_TO_ME;
202102ac6454SAndrew Thompson 	}
202202ac6454SAndrew Thompson 	rum_write(sc, RT2573_TXRX_CSR0, tmp);
202302ac6454SAndrew Thompson 
20247a79cebfSGleb Smirnoff 	sc->sc_running = 1;
2025ed6d949aSAndrew Thompson 	usbd_xfer_set_stall(sc->sc_xfer[RUM_BULK_WR]);
2026a593f6b8SAndrew Thompson 	usbd_transfer_start(sc->sc_xfer[RUM_BULK_RD]);
202702ac6454SAndrew Thompson 	return;
202802ac6454SAndrew Thompson 
20295efea30fSAndrew Thompson fail:	rum_stop(sc);
203002ac6454SAndrew Thompson #undef N
203102ac6454SAndrew Thompson }
203202ac6454SAndrew Thompson 
203302ac6454SAndrew Thompson static void
20345efea30fSAndrew Thompson rum_stop(struct rum_softc *sc)
203502ac6454SAndrew Thompson {
203602ac6454SAndrew Thompson 	uint32_t tmp;
203702ac6454SAndrew Thompson 
203802ac6454SAndrew Thompson 	RUM_LOCK_ASSERT(sc, MA_OWNED);
203902ac6454SAndrew Thompson 
20407a79cebfSGleb Smirnoff 	sc->sc_running = 0;
204102ac6454SAndrew Thompson 
204202ac6454SAndrew Thompson 	RUM_UNLOCK(sc);
204302ac6454SAndrew Thompson 
204402ac6454SAndrew Thompson 	/*
204502ac6454SAndrew Thompson 	 * Drain the USB transfers, if not already drained:
204602ac6454SAndrew Thompson 	 */
2047a593f6b8SAndrew Thompson 	usbd_transfer_drain(sc->sc_xfer[RUM_BULK_WR]);
2048a593f6b8SAndrew Thompson 	usbd_transfer_drain(sc->sc_xfer[RUM_BULK_RD]);
204902ac6454SAndrew Thompson 
205002ac6454SAndrew Thompson 	RUM_LOCK(sc);
205102ac6454SAndrew Thompson 
205202ac6454SAndrew Thompson 	rum_unsetup_tx_list(sc);
205302ac6454SAndrew Thompson 
205402ac6454SAndrew Thompson 	/* disable Rx */
205502ac6454SAndrew Thompson 	tmp = rum_read(sc, RT2573_TXRX_CSR0);
205602ac6454SAndrew Thompson 	rum_write(sc, RT2573_TXRX_CSR0, tmp | RT2573_DISABLE_RX);
205702ac6454SAndrew Thompson 
205802ac6454SAndrew Thompson 	/* reset ASIC */
205902ac6454SAndrew Thompson 	rum_write(sc, RT2573_MAC_CSR1, 3);
206002ac6454SAndrew Thompson 	rum_write(sc, RT2573_MAC_CSR1, 0);
206102ac6454SAndrew Thompson }
206202ac6454SAndrew Thompson 
206377ddf3d3SAndrew Thompson static void
206477ddf3d3SAndrew Thompson rum_load_microcode(struct rum_softc *sc, const uint8_t *ucode, size_t size)
206502ac6454SAndrew Thompson {
2066760bc48eSAndrew Thompson 	struct usb_device_request req;
206702ac6454SAndrew Thompson 	uint16_t reg = RT2573_MCU_CODE_BASE;
2068e0a69b51SAndrew Thompson 	usb_error_t err;
206902ac6454SAndrew Thompson 
207002ac6454SAndrew Thompson 	/* copy firmware image into NIC */
207177ddf3d3SAndrew Thompson 	for (; size >= 4; reg += 4, ucode += 4, size -= 4) {
207277ddf3d3SAndrew Thompson 		err = rum_write(sc, reg, UGETDW(ucode));
207377ddf3d3SAndrew Thompson 		if (err) {
207477ddf3d3SAndrew Thompson 			/* firmware already loaded ? */
207577ddf3d3SAndrew Thompson 			device_printf(sc->sc_dev, "Firmware load "
207677ddf3d3SAndrew Thompson 			    "failure! (ignored)\n");
207777ddf3d3SAndrew Thompson 			break;
207877ddf3d3SAndrew Thompson 		}
207977ddf3d3SAndrew Thompson 	}
208002ac6454SAndrew Thompson 
208102ac6454SAndrew Thompson 	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
208202ac6454SAndrew Thompson 	req.bRequest = RT2573_MCU_CNTL;
208302ac6454SAndrew Thompson 	USETW(req.wValue, RT2573_MCU_RUN);
208402ac6454SAndrew Thompson 	USETW(req.wIndex, 0);
208502ac6454SAndrew Thompson 	USETW(req.wLength, 0);
208602ac6454SAndrew Thompson 
208777ddf3d3SAndrew Thompson 	err = rum_do_request(sc, &req, NULL);
208877ddf3d3SAndrew Thompson 	if (err != 0) {
208902ac6454SAndrew Thompson 		device_printf(sc->sc_dev, "could not run firmware: %s\n",
2090a593f6b8SAndrew Thompson 		    usbd_errstr(err));
209102ac6454SAndrew Thompson 	}
209277ddf3d3SAndrew Thompson 
209377ddf3d3SAndrew Thompson 	/* give the chip some time to boot */
209477ddf3d3SAndrew Thompson 	rum_pause(sc, hz / 8);
209502ac6454SAndrew Thompson }
209602ac6454SAndrew Thompson 
2097f620e64dSKevin Lo static void
209802ac6454SAndrew Thompson rum_prepare_beacon(struct rum_softc *sc, struct ieee80211vap *vap)
209902ac6454SAndrew Thompson {
210002ac6454SAndrew Thompson 	struct ieee80211com *ic = vap->iv_ic;
210102ac6454SAndrew Thompson 	const struct ieee80211_txparam *tp;
210202ac6454SAndrew Thompson 	struct rum_tx_desc desc;
210302ac6454SAndrew Thompson 	struct mbuf *m0;
210402ac6454SAndrew Thompson 
2105f620e64dSKevin Lo 	if (vap->iv_bss->ni_chan == IEEE80211_CHAN_ANYC)
2106f620e64dSKevin Lo 		return;
2107bb571462SHans Petter Selasky 	if (ic->ic_bsschan == IEEE80211_CHAN_ANYC)
2108bb571462SHans Petter Selasky 		return;
2109f620e64dSKevin Lo 
211002ac6454SAndrew Thompson 	m0 = ieee80211_beacon_alloc(vap->iv_bss, &RUM_VAP(vap)->bo);
2111bb571462SHans Petter Selasky 	if (m0 == NULL)
2112f620e64dSKevin Lo 		return;
211302ac6454SAndrew Thompson 
211402ac6454SAndrew Thompson 	tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)];
211502ac6454SAndrew Thompson 	rum_setup_tx_desc(sc, &desc, RT2573_TX_TIMESTAMP, RT2573_TX_HWSEQ,
211602ac6454SAndrew Thompson 	    m0->m_pkthdr.len, tp->mgmtrate);
211702ac6454SAndrew Thompson 
211802ac6454SAndrew Thompson 	/* copy the first 24 bytes of Tx descriptor into NIC memory */
211902ac6454SAndrew Thompson 	rum_write_multi(sc, RT2573_HW_BEACON_BASE0, (uint8_t *)&desc, 24);
212002ac6454SAndrew Thompson 
212102ac6454SAndrew Thompson 	/* copy beacon header and payload into NIC memory */
212202ac6454SAndrew Thompson 	rum_write_multi(sc, RT2573_HW_BEACON_BASE0 + 24, mtod(m0, uint8_t *),
212302ac6454SAndrew Thompson 	    m0->m_pkthdr.len);
212402ac6454SAndrew Thompson 
212502ac6454SAndrew Thompson 	m_freem(m0);
212602ac6454SAndrew Thompson }
212702ac6454SAndrew Thompson 
212802ac6454SAndrew Thompson static int
212902ac6454SAndrew Thompson rum_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
213002ac6454SAndrew Thompson     const struct ieee80211_bpf_params *params)
213102ac6454SAndrew Thompson {
2132d3fdd08cSAdrian Chadd 	struct rum_softc *sc = ni->ni_ic->ic_softc;
213302ac6454SAndrew Thompson 
213402ac6454SAndrew Thompson 	RUM_LOCK(sc);
213502ac6454SAndrew Thompson 	/* prevent management frames from being sent if we're not ready */
21367a79cebfSGleb Smirnoff 	if (!sc->sc_running) {
213702ac6454SAndrew Thompson 		RUM_UNLOCK(sc);
213802ac6454SAndrew Thompson 		m_freem(m);
213902ac6454SAndrew Thompson 		ieee80211_free_node(ni);
214002ac6454SAndrew Thompson 		return ENETDOWN;
214102ac6454SAndrew Thompson 	}
214296ca458fSAndrew Thompson 	if (sc->tx_nfree < RUM_TX_MINFREE) {
214302ac6454SAndrew Thompson 		RUM_UNLOCK(sc);
214402ac6454SAndrew Thompson 		m_freem(m);
214502ac6454SAndrew Thompson 		ieee80211_free_node(ni);
214602ac6454SAndrew Thompson 		return EIO;
214702ac6454SAndrew Thompson 	}
214802ac6454SAndrew Thompson 
214902ac6454SAndrew Thompson 	if (params == NULL) {
215002ac6454SAndrew Thompson 		/*
215102ac6454SAndrew Thompson 		 * Legacy path; interpret frame contents to decide
215202ac6454SAndrew Thompson 		 * precisely how to send the frame.
215302ac6454SAndrew Thompson 		 */
215402ac6454SAndrew Thompson 		if (rum_tx_mgt(sc, m, ni) != 0)
215502ac6454SAndrew Thompson 			goto bad;
215602ac6454SAndrew Thompson 	} else {
215702ac6454SAndrew Thompson 		/*
215802ac6454SAndrew Thompson 		 * Caller supplied explicit parameters to use in
215902ac6454SAndrew Thompson 		 * sending the frame.
216002ac6454SAndrew Thompson 		 */
216102ac6454SAndrew Thompson 		if (rum_tx_raw(sc, m, ni, params) != 0)
216202ac6454SAndrew Thompson 			goto bad;
216302ac6454SAndrew Thompson 	}
216402ac6454SAndrew Thompson 	RUM_UNLOCK(sc);
216502ac6454SAndrew Thompson 
216602ac6454SAndrew Thompson 	return 0;
216702ac6454SAndrew Thompson bad:
216802ac6454SAndrew Thompson 	RUM_UNLOCK(sc);
216902ac6454SAndrew Thompson 	ieee80211_free_node(ni);
217002ac6454SAndrew Thompson 	return EIO;
217102ac6454SAndrew Thompson }
217202ac6454SAndrew Thompson 
217302ac6454SAndrew Thompson static void
2174b6108616SRui Paulo rum_ratectl_start(struct rum_softc *sc, struct ieee80211_node *ni)
217502ac6454SAndrew Thompson {
217602ac6454SAndrew Thompson 	struct ieee80211vap *vap = ni->ni_vap;
217702ac6454SAndrew Thompson 	struct rum_vap *rvp = RUM_VAP(vap);
217802ac6454SAndrew Thompson 
217902ac6454SAndrew Thompson 	/* clear statistic registers (STA_CSR0 to STA_CSR5) */
218002ac6454SAndrew Thompson 	rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof sc->sta);
218102ac6454SAndrew Thompson 
2182b6108616SRui Paulo 	usb_callout_reset(&rvp->ratectl_ch, hz, rum_ratectl_timeout, rvp);
218302ac6454SAndrew Thompson }
218402ac6454SAndrew Thompson 
218502ac6454SAndrew Thompson static void
2186b6108616SRui Paulo rum_ratectl_timeout(void *arg)
218702ac6454SAndrew Thompson {
218802ac6454SAndrew Thompson 	struct rum_vap *rvp = arg;
21895efea30fSAndrew Thompson 	struct ieee80211vap *vap = &rvp->vap;
21905efea30fSAndrew Thompson 	struct ieee80211com *ic = vap->iv_ic;
219102ac6454SAndrew Thompson 
2192b6108616SRui Paulo 	ieee80211_runtask(ic, &rvp->ratectl_task);
219302ac6454SAndrew Thompson }
219402ac6454SAndrew Thompson 
219502ac6454SAndrew Thompson static void
2196b6108616SRui Paulo rum_ratectl_task(void *arg, int pending)
219702ac6454SAndrew Thompson {
21985efea30fSAndrew Thompson 	struct rum_vap *rvp = arg;
21995efea30fSAndrew Thompson 	struct ieee80211vap *vap = &rvp->vap;
22005efea30fSAndrew Thompson 	struct ieee80211com *ic = vap->iv_ic;
2201d3fdd08cSAdrian Chadd 	struct rum_softc *sc = ic->ic_softc;
22028d8bdb01SAndrew Thompson 	struct ieee80211_node *ni;
220302ac6454SAndrew Thompson 	int ok, fail;
2204b6108616SRui Paulo 	int sum, retrycnt;
220502ac6454SAndrew Thompson 
22065efea30fSAndrew Thompson 	RUM_LOCK(sc);
220702ac6454SAndrew Thompson 	/* read and clear statistic registers (STA_CSR0 to STA_CSR10) */
220802ac6454SAndrew Thompson 	rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof(sc->sta));
220902ac6454SAndrew Thompson 
221002ac6454SAndrew Thompson 	ok = (le32toh(sc->sta[4]) >> 16) +	/* TX ok w/o retry */
221102ac6454SAndrew Thompson 	    (le32toh(sc->sta[5]) & 0xffff);	/* TX ok w/ retry */
221202ac6454SAndrew Thompson 	fail = (le32toh(sc->sta[5]) >> 16);	/* TX retry-fail count */
2213b6108616SRui Paulo 	sum = ok+fail;
2214b6108616SRui Paulo 	retrycnt = (le32toh(sc->sta[5]) & 0xffff) + fail;
221502ac6454SAndrew Thompson 
22168d8bdb01SAndrew Thompson 	ni = ieee80211_ref_node(vap->iv_bss);
2217b6108616SRui Paulo 	ieee80211_ratectl_tx_update(vap, ni, &sum, &ok, &retrycnt);
2218b6108616SRui Paulo 	(void) ieee80211_ratectl_rate(ni, NULL, 0);
22198d8bdb01SAndrew Thompson 	ieee80211_free_node(ni);
222002ac6454SAndrew Thompson 
22217a79cebfSGleb Smirnoff 	/* count TX retry-fail as Tx errors */
22227a79cebfSGleb Smirnoff 	if_inc_counter(ni->ni_vap->iv_ifp, IFCOUNTER_OERRORS, fail);
222302ac6454SAndrew Thompson 
2224b6108616SRui Paulo 	usb_callout_reset(&rvp->ratectl_ch, hz, rum_ratectl_timeout, rvp);
22255efea30fSAndrew Thompson 	RUM_UNLOCK(sc);
222602ac6454SAndrew Thompson }
222702ac6454SAndrew Thompson 
222802ac6454SAndrew Thompson static void
222902ac6454SAndrew Thompson rum_scan_start(struct ieee80211com *ic)
223002ac6454SAndrew Thompson {
2231d3fdd08cSAdrian Chadd 	struct rum_softc *sc = ic->ic_softc;
223202ac6454SAndrew Thompson 
223302ac6454SAndrew Thompson 	RUM_LOCK(sc);
22346d804321SAdrian Chadd 	rum_abort_tsf_sync(sc);
22357a79cebfSGleb Smirnoff 	rum_set_bssid(sc, ieee80211broadcastaddr);
223602ac6454SAndrew Thompson 	RUM_UNLOCK(sc);
223702ac6454SAndrew Thompson 
223802ac6454SAndrew Thompson }
223902ac6454SAndrew Thompson 
224002ac6454SAndrew Thompson static void
224102ac6454SAndrew Thompson rum_scan_end(struct ieee80211com *ic)
224202ac6454SAndrew Thompson {
2243d3fdd08cSAdrian Chadd 	struct rum_softc *sc = ic->ic_softc;
224402ac6454SAndrew Thompson 
224502ac6454SAndrew Thompson 	RUM_LOCK(sc);
22465efea30fSAndrew Thompson 	rum_enable_tsf_sync(sc);
22477a79cebfSGleb Smirnoff 	rum_set_bssid(sc, ic->ic_macaddr);
224802ac6454SAndrew Thompson 	RUM_UNLOCK(sc);
224902ac6454SAndrew Thompson 
225002ac6454SAndrew Thompson }
225102ac6454SAndrew Thompson 
225202ac6454SAndrew Thompson static void
225302ac6454SAndrew Thompson rum_set_channel(struct ieee80211com *ic)
225402ac6454SAndrew Thompson {
2255d3fdd08cSAdrian Chadd 	struct rum_softc *sc = ic->ic_softc;
225602ac6454SAndrew Thompson 
225702ac6454SAndrew Thompson 	RUM_LOCK(sc);
225802ac6454SAndrew Thompson 	rum_set_chan(sc, ic->ic_curchan);
22595efea30fSAndrew Thompson 	RUM_UNLOCK(sc);
226002ac6454SAndrew Thompson }
226102ac6454SAndrew Thompson 
226202ac6454SAndrew Thompson static int
226302ac6454SAndrew Thompson rum_get_rssi(struct rum_softc *sc, uint8_t raw)
226402ac6454SAndrew Thompson {
22657a79cebfSGleb Smirnoff 	struct ieee80211com *ic = &sc->sc_ic;
226602ac6454SAndrew Thompson 	int lna, agc, rssi;
226702ac6454SAndrew Thompson 
226802ac6454SAndrew Thompson 	lna = (raw >> 5) & 0x3;
226902ac6454SAndrew Thompson 	agc = raw & 0x1f;
227002ac6454SAndrew Thompson 
227102ac6454SAndrew Thompson 	if (lna == 0) {
227202ac6454SAndrew Thompson 		/*
227302ac6454SAndrew Thompson 		 * No RSSI mapping
227402ac6454SAndrew Thompson 		 *
227502ac6454SAndrew Thompson 		 * NB: Since RSSI is relative to noise floor, -1 is
227602ac6454SAndrew Thompson 		 *     adequate for caller to know error happened.
227702ac6454SAndrew Thompson 		 */
227802ac6454SAndrew Thompson 		return -1;
227902ac6454SAndrew Thompson 	}
228002ac6454SAndrew Thompson 
228102ac6454SAndrew Thompson 	rssi = (2 * agc) - RT2573_NOISE_FLOOR;
228202ac6454SAndrew Thompson 
228302ac6454SAndrew Thompson 	if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) {
228402ac6454SAndrew Thompson 		rssi += sc->rssi_2ghz_corr;
228502ac6454SAndrew Thompson 
228602ac6454SAndrew Thompson 		if (lna == 1)
228702ac6454SAndrew Thompson 			rssi -= 64;
228802ac6454SAndrew Thompson 		else if (lna == 2)
228902ac6454SAndrew Thompson 			rssi -= 74;
229002ac6454SAndrew Thompson 		else if (lna == 3)
229102ac6454SAndrew Thompson 			rssi -= 90;
229202ac6454SAndrew Thompson 	} else {
229302ac6454SAndrew Thompson 		rssi += sc->rssi_5ghz_corr;
229402ac6454SAndrew Thompson 
229502ac6454SAndrew Thompson 		if (!sc->ext_5ghz_lna && lna != 1)
229602ac6454SAndrew Thompson 			rssi += 4;
229702ac6454SAndrew Thompson 
229802ac6454SAndrew Thompson 		if (lna == 1)
229902ac6454SAndrew Thompson 			rssi -= 64;
230002ac6454SAndrew Thompson 		else if (lna == 2)
230102ac6454SAndrew Thompson 			rssi -= 86;
230202ac6454SAndrew Thompson 		else if (lna == 3)
230302ac6454SAndrew Thompson 			rssi -= 100;
230402ac6454SAndrew Thompson 	}
230502ac6454SAndrew Thompson 	return rssi;
230602ac6454SAndrew Thompson }
230702ac6454SAndrew Thompson 
230802ac6454SAndrew Thompson static int
230902ac6454SAndrew Thompson rum_pause(struct rum_softc *sc, int timeout)
231002ac6454SAndrew Thompson {
231102ac6454SAndrew Thompson 
2312a593f6b8SAndrew Thompson 	usb_pause_mtx(&sc->sc_mtx, timeout);
231302ac6454SAndrew Thompson 	return (0);
231402ac6454SAndrew Thompson }
231502ac6454SAndrew Thompson 
231602ac6454SAndrew Thompson static device_method_t rum_methods[] = {
231702ac6454SAndrew Thompson 	/* Device interface */
231802ac6454SAndrew Thompson 	DEVMETHOD(device_probe,		rum_match),
231902ac6454SAndrew Thompson 	DEVMETHOD(device_attach,	rum_attach),
232002ac6454SAndrew Thompson 	DEVMETHOD(device_detach,	rum_detach),
2321645e4d17SHans Petter Selasky 	DEVMETHOD_END
232202ac6454SAndrew Thompson };
232302ac6454SAndrew Thompson 
232402ac6454SAndrew Thompson static driver_t rum_driver = {
232502ac6454SAndrew Thompson 	.name = "rum",
232602ac6454SAndrew Thompson 	.methods = rum_methods,
232702ac6454SAndrew Thompson 	.size = sizeof(struct rum_softc),
232802ac6454SAndrew Thompson };
232902ac6454SAndrew Thompson 
233002ac6454SAndrew Thompson static devclass_t rum_devclass;
233102ac6454SAndrew Thompson 
23329aef556dSAndrew Thompson DRIVER_MODULE(rum, uhub, rum_driver, rum_devclass, NULL, 0);
2333910cb8feSAndrew Thompson MODULE_DEPEND(rum, wlan, 1, 1, 1);
2334910cb8feSAndrew Thompson MODULE_DEPEND(rum, usb, 1, 1, 1);
2335910cb8feSAndrew Thompson MODULE_VERSION(rum, 1);
2336