2 * Copyright (c) 2006 The DragonFly Project. All rights reserved.
4 * This code is derived from software contributed to The DragonFly Project
5 * by Sepherosa Ziehau <sepherosa@gmail.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * $DragonFly: src/sys/dev/netif/acx/if_acx.c,v 1.14 2007/01/01 03:31:52 sephe Exp $
38 * Copyright (c) 2003-2004 wlan.kewl.org Project
39 * All rights reserved.
41 * $Id: LICENSE,v 1.1.1.1 2004/07/01 12:20:39 darron Exp $
43 * Redistribution and use in source and binary forms, with or without
44 * modification, are permitted provided that the following conditions
47 * 1. Redistributions of source code must retain the above copyright
48 * notice, this list of conditions and the following disclaimer.
50 * 2. Redistributions in binary form must reproduce the above copyright
51 * notice, this list of conditions and the following disclaimer in the
52 * documentation and/or other materials provided with the distribution.
54 * 3. All advertising materials mentioning features or use of this software
55 * must display the following acknowledgement:
57 * This product includes software developed by the wlan.kewl.org Project.
59 * 4. Neither the name of the wlan.kewl.org Project nor the names of its
60 * contributors may be used to endorse or promote products derived from
61 * this software without specific prior written permission.
63 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
64 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
65 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
66 * THE wlan.kewl.org Project BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
67 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
68 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
69 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
70 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
71 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
72 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
75 #include <sys/param.h>
76 #include <sys/endian.h>
77 #include <sys/kernel.h>
79 #include <sys/malloc.h>
82 #include <sys/serialize.h>
83 #include <sys/socket.h>
84 #include <sys/sockio.h>
85 #include <sys/sysctl.h>
87 #include <net/ethernet.h>
90 #include <net/if_arp.h>
91 #include <net/if_dl.h>
92 #include <net/if_media.h>
93 #include <net/ifq_var.h>
95 #include <netproto/802_11/ieee80211_var.h>
97 #include <bus/pci/pcireg.h>
98 #include <bus/pci/pcivar.h>
99 #include <bus/pci/pcidevs.h>
103 #include "if_acxreg.h"
104 #include "if_acxvar.h"
107 #define ACX_ENABLE_TXCHAN(sc, chan) \
109 if (acx_enable_txchan((sc), (chan)) != 0) { \
110 if_printf(&(sc)->sc_ic.ic_if, \
111 "enable TX on channel %d failed\n", (chan)); \
115 #define ACX_ENABLE_RXCHAN(sc, chan) \
117 if (acx_enable_rxchan((sc), (chan)) != 0) { \
118 if_printf(&(sc)->sc_ic.ic_if, \
119 "enable RX on channel %d failed\n", (chan)); \
123 #define SIOCSLOADFW _IOW('i', 137, struct ifreq) /* load firmware */
124 #define SIOCGRADIO _IOW('i', 138, struct ifreq) /* get radio type */
125 #define SIOCGSTATS _IOW('i', 139, struct ifreq) /* get acx stats */
126 #define SIOCSKILLFW _IOW('i', 140, struct ifreq) /* free firmware */
127 #define SIOCGFWVER _IOW('i', 141, struct ifreq) /* get firmware ver */
128 #define SIOCGHWID _IOW('i', 142, struct ifreq) /* get hardware id */
130 static int acx_probe(device_t);
131 static int acx_attach(device_t);
132 static int acx_detach(device_t);
133 static int acx_shutdown(device_t);
134 static int acx_media_change(struct ifnet *);
136 static void acx_init(void *);
137 static int acx_stop(struct acx_softc *);
138 static void acx_init_info_reg(struct acx_softc *);
139 static int acx_config(struct acx_softc *);
140 static int acx_read_config(struct acx_softc *, struct acx_config *);
141 static int acx_write_config(struct acx_softc *, struct acx_config *);
142 static int acx_set_crypt_keys(struct acx_softc *);
144 static void acx_begin_scan(struct acx_softc *);
146 static void acx_next_scan(void *);
148 static void acx_start(struct ifnet *);
149 static void acx_watchdog(struct ifnet *);
151 static int acx_ioctl(struct ifnet *, u_long, caddr_t, struct ucred *);
153 static void acx_intr(void *);
154 static void acx_disable_intr(struct acx_softc *);
155 static void acx_enable_intr(struct acx_softc *);
156 static void acx_txeof(struct acx_softc *);
157 static void acx_txerr(struct acx_softc *, uint8_t);
158 static void acx_rxeof(struct acx_softc *);
160 static int acx_dma_alloc(struct acx_softc *);
161 static void acx_dma_free(struct acx_softc *);
162 static int acx_init_tx_ring(struct acx_softc *);
163 static int acx_init_rx_ring(struct acx_softc *);
164 static int acx_newbuf(struct acx_softc *, struct acx_rxbuf *, int);
165 static int acx_encap(struct acx_softc *, struct acx_txbuf *,
166 struct mbuf *, struct ieee80211_node *);
168 static int acx_reset(struct acx_softc *);
170 static int acx_set_null_tmplt(struct acx_softc *);
171 static int acx_set_probe_req_tmplt(struct acx_softc *, const char *, int);
172 static int acx_set_probe_resp_tmplt(struct acx_softc *,
173 struct ieee80211_node *);
174 static int acx_set_beacon_tmplt(struct acx_softc *,
175 struct ieee80211_node *);
177 static int acx_read_eeprom(struct acx_softc *, uint32_t, uint8_t *);
178 static int acx_read_phyreg(struct acx_softc *, uint32_t, uint8_t *);
180 static int acx_copyin_firmware(struct acx_softc *, struct ifreq *);
181 static void acx_free_firmware(struct acx_softc *);
182 static int acx_load_firmware(struct acx_softc *, uint32_t,
183 const uint8_t *, int);
184 static int acx_load_radio_firmware(struct acx_softc *, const uint8_t *,
186 static int acx_load_base_firmware(struct acx_softc *, const uint8_t *,
189 static int acx_newstate(struct ieee80211com *, enum ieee80211_state, int);
191 static int acx_sysctl_msdu_lifetime(SYSCTL_HANDLER_ARGS);
193 const struct ieee80211_rateset acx_rates_11b =
194 { 5, { 2, 4, 11, 22, 44 } };
195 const struct ieee80211_rateset acx_rates_11g =
196 { 13, { 2, 4, 11, 22, 44, 12, 18, 24, 36, 48, 72, 96, 108 } };
198 static int acx_chanscan_rate = 5; /* 5/second */
200 static const struct acx_device {
203 void (*set_param)(device_t);
206 { PCI_VENDOR_TI, PCI_PRODUCT_TI_ACX100A, acx100_set_param,
207 "Texas Instruments TNETW1100A Wireless Adapter" },
208 { PCI_VENDOR_TI, PCI_PRODUCT_TI_ACX100B, acx100_set_param,
209 "Texas Instruments TNETW1100B Wireless Adapter" },
210 { PCI_VENDOR_TI, PCI_PRODUCT_TI_ACX111, acx111_set_param,
211 "Texas Instruments TNETW1130 Wireless Adapter" },
215 static device_method_t acx_methods[] = {
216 DEVMETHOD(device_probe, acx_probe),
217 DEVMETHOD(device_attach, acx_attach),
218 DEVMETHOD(device_detach, acx_detach),
219 DEVMETHOD(device_shutdown, acx_shutdown),
221 DEVMETHOD(device_suspend, acx_suspend),
222 DEVMETHOD(device_resume, acx_resume),
227 static driver_t acx_driver = {
230 sizeof(struct acx_softc)
233 static devclass_t acx_devclass;
235 DRIVER_MODULE(acx, pci, acx_driver, acx_devclass, 0, 0);
236 DRIVER_MODULE(acx, cardbus, acx_driver, acx_devclass, 0, 0);
238 MODULE_DEPEND(acx, wlan, 1, 1, 1);
239 MODULE_DEPEND(acx, wlan_ratectl_onoe, 1, 1, 1);
240 MODULE_DEPEND(acx, wlan_ratectl_amrr, 1, 1, 1);
241 MODULE_DEPEND(acx, pci, 1, 1, 1);
242 MODULE_DEPEND(acx, cardbus, 1, 1, 1);
245 acx_probe(device_t dev)
247 const struct acx_device *a;
250 vid = pci_get_vendor(dev);
251 did = pci_get_device(dev);
252 for (a = acx_devices; a->desc != NULL; ++a) {
253 if (vid == a->vid && did == a->did) {
255 device_set_desc(dev, a->desc);
263 acx_attach(device_t dev)
265 struct acx_softc *sc;
267 struct ieee80211com *ic;
270 sc = device_get_softc(dev);
274 if_initname(ifp, device_get_name(dev), device_get_unit(dev));
277 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) {
278 uint32_t mem1, mem2, irq;
280 mem1 = pci_read_config(dev, sc->chip_mem1_rid, 4);
281 mem2 = pci_read_config(dev, sc->chip_mem2_rid, 4);
282 irq = pci_read_config(dev, PCIR_INTLINE, 4);
284 device_printf(dev, "chip is in D%d power mode "
285 "-- setting to D0\n", pci_get_powerstate(dev));
287 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
289 pci_write_config(dev, sc->chip_mem1_rid, mem1, 4);
290 pci_write_config(dev, sc->chip_mem2_rid, mem2, 4);
291 pci_write_config(dev, PCIR_INTLINE, irq, 4);
293 #endif /* !BURN_BRIDGE */
295 /* Enable bus mastering */
296 pci_enable_busmaster(dev);
298 /* Allocate IO memory 1 */
299 sc->sc_mem1_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
302 if (sc->sc_mem1_res == NULL) {
304 device_printf(dev, "can't allocate IO mem1\n");
307 sc->sc_mem1_bt = rman_get_bustag(sc->sc_mem1_res);
308 sc->sc_mem1_bh = rman_get_bushandle(sc->sc_mem1_res);
310 /* Allocate IO memory 2 */
311 sc->sc_mem2_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
314 if (sc->sc_mem2_res == NULL) {
316 device_printf(dev, "can't allocate IO mem2\n");
319 sc->sc_mem2_bt = rman_get_bustag(sc->sc_mem2_res);
320 sc->sc_mem2_bh = rman_get_bushandle(sc->sc_mem2_res);
323 sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
325 RF_SHAREABLE | RF_ACTIVE);
326 if (sc->sc_irq_res == NULL) {
328 device_printf(dev, "can't allocate intr\n");
332 /* Initilize channel scanning timer */
333 callout_init(&sc->sc_chanscan_timer);
335 /* Allocate busdma stuffs */
336 error = acx_dma_alloc(sc);
341 error = acx_reset(sc);
345 /* Disable interrupts before firmware is loaded */
346 acx_disable_intr(sc);
348 /* Get radio type and form factor */
349 #define EEINFO_RETRY_MAX 50
350 for (i = 0; i < EEINFO_RETRY_MAX; ++i) {
353 ee_info = CSR_READ_2(sc, ACXREG_EEPROM_INFO);
354 if (ACX_EEINFO_HAS_RADIO_TYPE(ee_info)) {
355 sc->sc_form_factor = ACX_EEINFO_FORM_FACTOR(ee_info);
356 sc->sc_radio_type = ACX_EEINFO_RADIO_TYPE(ee_info);
361 if (i == EEINFO_RETRY_MAX) {
365 #undef EEINFO_RETRY_MAX
367 DPRINTF((&sc->sc_ic.ic_if, "radio type %02x\n", sc->sc_radio_type));
370 for (i = 0; i < 0x40; ++i) {
373 error = acx_read_eeprom(sc, i, &val);
376 kprintf("%02x ", val);
379 #endif /* DUMP_EEPROM */
381 /* Get EEPROM version */
382 error = acx_read_eeprom(sc, ACX_EE_VERSION_OFS, &sc->sc_eeprom_ver);
385 DPRINTF((&sc->sc_ic.ic_if, "EEPROM version %u\n", sc->sc_eeprom_ver));
388 ifp->if_init = acx_init;
389 ifp->if_ioctl = acx_ioctl;
390 ifp->if_start = acx_start;
391 ifp->if_watchdog = acx_watchdog;
392 ifp->if_flags = IFF_SIMPLEX | IFF_BROADCAST | IFF_MULTICAST;
393 ifq_set_maxlen(&ifp->if_snd, IFQ_MAXLEN);
394 ifq_set_ready(&ifp->if_snd);
397 for (i = 1; i <= 14; ++i) {
398 ic->ic_channels[i].ic_freq =
399 ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ);
400 ic->ic_channels[i].ic_flags = sc->chip_chan_flags;
403 ic->ic_opmode = IEEE80211_M_STA;
404 ic->ic_state = IEEE80211_S_INIT;
407 * NOTE: Don't overwrite ic_caps set by chip specific code
409 ic->ic_caps |= IEEE80211_C_WEP | /* WEP */
410 IEEE80211_C_HOSTAP | /* Host AP modes */
411 IEEE80211_C_IBSS | /* IBSS modes */
412 IEEE80211_C_SHPREAMBLE; /* Short preamble */
413 ic->ic_caps_ext = IEEE80211_CEXT_PBCC; /* PBCC modulation */
416 for (i = 0; i < IEEE80211_ADDR_LEN; ++i) {
417 error = acx_read_eeprom(sc, sc->chip_ee_eaddr_ofs - i,
421 ieee80211_ifattach(ic);
423 /* Enable software beacon missing */
424 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
426 /* Override newstate */
427 sc->sc_newstate = ic->ic_newstate;
428 ic->ic_newstate = acx_newstate;
430 ieee80211_media_init(ic, acx_media_change, ieee80211_media_status);
432 sc->sc_long_retry_limit = 4;
433 sc->sc_msdu_lifetime = 4096;
435 sysctl_ctx_init(&sc->sc_sysctl_ctx);
436 sc->sc_sysctl_tree = SYSCTL_ADD_NODE(&sc->sc_sysctl_ctx,
437 SYSCTL_STATIC_CHILDREN(_hw),
439 device_get_nameunit(dev),
441 if (sc->sc_sysctl_tree == NULL) {
442 device_printf(dev, "can't add sysctl node\n");
447 SYSCTL_ADD_PROC(&sc->sc_sysctl_ctx,
448 SYSCTL_CHILDREN(sc->sc_sysctl_tree),
449 OID_AUTO, "msdu_lifetime",
450 CTLTYPE_INT | CTLFLAG_RW,
451 sc, 0, acx_sysctl_msdu_lifetime, "I",
454 error = bus_setup_intr(dev, sc->sc_irq_res, INTR_MPSAFE, acx_intr, sc,
455 &sc->sc_irq_handle, ifp->if_serializer);
457 device_printf(dev, "can't set up interrupt\n");
462 ieee80211_announce(ic);
466 ieee80211_ifdetach(ic);
473 acx_detach(device_t dev)
475 struct acx_softc *sc = device_get_softc(dev);
477 if (device_is_attached(dev)) {
478 struct ieee80211com *ic = &sc->sc_ic;
479 struct ifnet *ifp = &ic->ic_if;
481 lwkt_serialize_enter(ifp->if_serializer);
484 acx_free_firmware(sc);
485 bus_teardown_intr(dev, sc->sc_irq_res, sc->sc_irq_handle);
487 lwkt_serialize_exit(ifp->if_serializer);
489 ieee80211_ifdetach(ic);
492 if (sc->sc_sysctl_tree != NULL)
493 sysctl_ctx_free(&sc->sc_sysctl_ctx);
495 if (sc->sc_irq_res != NULL) {
496 bus_release_resource(dev, SYS_RES_IRQ, sc->sc_irq_rid,
499 if (sc->sc_mem1_res != NULL) {
500 bus_release_resource(dev, SYS_RES_MEMORY, sc->chip_mem1_rid,
503 if (sc->sc_mem2_res != NULL) {
504 bus_release_resource(dev, SYS_RES_MEMORY, sc->chip_mem2_rid,
513 acx_shutdown(device_t dev)
515 struct acx_softc *sc = device_get_softc(dev);
517 lwkt_serialize_enter(sc->sc_ic.ic_if.if_serializer);
519 lwkt_serialize_exit(sc->sc_ic.ic_if.if_serializer);
526 struct acx_softc *sc = arg;
527 struct ifnet *ifp = &sc->sc_ic.ic_if;
528 struct acx_firmware *fw = &sc->sc_firmware;
531 error = acx_stop(sc);
535 if (fw->base_fw == NULL) {
537 if_printf(ifp, "base firmware is not loaded yet\n");
541 error = acx_init_tx_ring(sc);
543 if_printf(ifp, "can't initialize TX ring\n");
547 error = acx_init_rx_ring(sc);
549 if_printf(ifp, "can't initialize RX ring\n");
553 error = acx_load_base_firmware(sc, fw->base_fw, fw->base_fw_len);
558 * Initialize command and information registers
559 * NOTE: This should be done after base firmware is loaded
561 acx_init_cmd_reg(sc);
562 acx_init_info_reg(sc);
564 sc->sc_flags |= ACX_FLAG_FW_LOADED;
567 if (sc->chip_post_basefw != NULL) {
568 error = sc->chip_post_basefw(sc);
574 if (fw->radio_fw != NULL) {
575 error = acx_load_radio_firmware(sc, fw->radio_fw,
581 error = sc->chip_init(sc);
585 /* Get and set device various configuration */
586 error = acx_config(sc);
590 /* Setup crypto stuffs */
591 if (sc->sc_ic.ic_flags & IEEE80211_F_PRIVACY) {
592 error = acx_set_crypt_keys(sc);
595 sc->sc_ic.ic_flags &= ~IEEE80211_F_DROPUNENC;
598 /* Turn on power led */
599 CSR_CLRB_2(sc, ACXREG_GPIO_OUT, sc->chip_gpio_pled);
603 ifp->if_flags |= IFF_RUNNING;
604 ifp->if_flags &= ~IFF_OACTIVE;
606 /* Begin background scanning */
610 ieee80211_new_state(&sc->sc_ic, IEEE80211_S_SCAN, -1);
619 acx_init_info_reg(struct acx_softc *sc)
621 sc->sc_info = CSR_READ_4(sc, ACXREG_INFO_REG_OFFSET);
622 sc->sc_info_param = sc->sc_info + ACX_INFO_REG_SIZE;
626 acx_set_crypt_keys(struct acx_softc *sc)
628 struct ieee80211com *ic = &sc->sc_ic;
629 struct acx_conf_wep_txkey wep_txkey;
630 int i, error, got_wk = 0;
632 for (i = 0; i < IEEE80211_WEP_NKID; ++i) {
633 struct ieee80211_key *wk = &ic->ic_nw_keys[i];
635 if (wk->wk_keylen == 0)
638 if (sc->chip_hw_crypt) {
639 error = sc->chip_set_wepkey(sc, wk, i);
643 } else if (wk->wk_flags & IEEE80211_KEY_XMIT) {
644 wk->wk_flags |= IEEE80211_KEY_SWCRYPT;
648 if (!got_wk || sc->chip_hw_crypt ||
649 ic->ic_def_txkey == IEEE80211_KEYIX_NONE)
652 /* Set current WEP key index */
653 wep_txkey.wep_txkey = ic->ic_def_txkey;
654 if (acx_set_wep_txkey_conf(sc, &wep_txkey) != 0) {
655 if_printf(&ic->ic_if, "set WEP txkey failed\n");
663 acx_begin_scan(struct acx_softc *sc)
665 struct ieee80211com *ic = &sc->sc_ic;
668 ieee80211_begin_scan(ic, 1);
670 chan = ieee80211_chan2ieee(ic, ic->ic_bss->ni_chan);
672 ACX_ENABLE_TXCHAN(sc, chan);
673 ACX_ENABLE_RXCHAN(sc, chan);
675 /* Start background scanning */
676 callout_reset(&sc->sc_chanscan_timer, hz / acx_chanscan_rate,
682 acx_next_scan(void *arg)
684 struct acx_softc *sc = arg;
685 struct ieee80211com *ic = &sc->sc_ic;
686 struct ifnet *ifp = &ic->ic_if;
688 lwkt_serialize_enter(ifp->if_serializer);
690 if (ic->ic_state == IEEE80211_S_SCAN) {
695 ieee80211_next_scan(ic);
698 chan = ieee80211_chan2ieee(ic, ic->ic_bss->ni_chan);
700 ACX_ENABLE_TXCHAN(sc, chan);
701 ACX_ENABLE_RXCHAN(sc, chan);
703 callout_reset(&sc->sc_chanscan_timer, hz / acx_chanscan_rate,
708 lwkt_serialize_exit(ifp->if_serializer);
712 acx_stop(struct acx_softc *sc)
714 struct ieee80211com *ic = &sc->sc_ic;
715 struct ifnet *ifp = &ic->ic_if;
716 struct acx_buf_data *bd = &sc->sc_buf_data;
717 struct acx_ring_data *rd = &sc->sc_ring_data;
720 ASSERT_SERIALIZED(ifp->if_serializer);
722 sc->sc_firmware_ver = 0;
723 sc->sc_hardware_id = 0;
726 error = acx_reset(sc);
730 /* Firmware no longer functions after hardware reset */
731 sc->sc_flags &= ~ACX_FLAG_FW_LOADED;
733 acx_disable_intr(sc);
735 /* Stop backgroud scanning */
736 callout_stop(&sc->sc_chanscan_timer);
738 /* Turn off power led */
739 CSR_SETB_2(sc, ACXREG_GPIO_OUT, sc->chip_gpio_pled);
742 for (i = 0; i < ACX_TX_DESC_CNT; ++i) {
743 struct acx_txbuf *buf;
745 buf = &bd->tx_buf[i];
747 if (buf->tb_mbuf != NULL) {
748 bus_dmamap_unload(bd->mbuf_dma_tag,
749 buf->tb_mbuf_dmamap);
750 m_freem(buf->tb_mbuf);
754 if (buf->tb_node != NULL)
755 ieee80211_free_node(buf->tb_node);
759 /* Clear TX host descriptors */
760 bzero(rd->tx_ring, ACX_TX_RING_SIZE);
763 for (i = 0; i < ACX_RX_DESC_CNT; ++i) {
764 if (bd->rx_buf[i].rb_mbuf != NULL) {
765 bus_dmamap_unload(bd->mbuf_dma_tag,
766 bd->rx_buf[i].rb_mbuf_dmamap);
767 m_freem(bd->rx_buf[i].rb_mbuf);
768 bd->rx_buf[i].rb_mbuf = NULL;
772 /* Clear RX host descriptors */
773 bzero(rd->rx_ring, ACX_RX_RING_SIZE);
777 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
778 ieee80211_new_state(&sc->sc_ic, IEEE80211_S_INIT, -1);
784 acx_config(struct acx_softc *sc)
786 struct acx_config conf;
789 error = acx_read_config(sc, &conf);
793 error = acx_write_config(sc, &conf);
797 if (acx_set_probe_req_tmplt(sc, "", 0) != 0) {
798 if_printf(&sc->sc_ic.ic_if, "can't set probe req template "
804 if (acx_set_null_tmplt(sc) != 0) {
805 if_printf(&sc->sc_ic.ic_if, "can't set null data template\n");
812 acx_read_config(struct acx_softc *sc, struct acx_config *conf)
814 struct acx_conf_eaddr addr;
815 struct acx_conf_regdom reg_dom;
816 struct acx_conf_antenna ant;
817 struct acx_conf_fwrev fw_rev;
823 if (acx_get_eaddr_conf(sc, &addr) != 0) {
824 if_printf(&sc->sc_ic.ic_if, "can't get station id\n");
829 * Get and print station id in case that EEPROM station id's
830 * offset is not correct
832 for (i = 0; i < IEEE80211_ADDR_LEN; ++i)
833 conf->eaddr[IEEE80211_ADDR_LEN - 1 - i] = addr.eaddr[i];
834 if_printf(&sc->sc_ic.ic_if, "MAC address (from firmware): %6D\n",
837 /* Get region domain */
838 if (acx_get_regdom_conf(sc, ®_dom) != 0) {
839 if_printf(&sc->sc_ic.ic_if, "can't get region domain\n");
842 conf->regdom = reg_dom.regdom;
843 DPRINTF((&sc->sc_ic.ic_if, "regdom %02x\n", reg_dom.regdom));
846 if (acx_get_antenna_conf(sc, &ant) != 0) {
847 if_printf(&sc->sc_ic.ic_if, "can't get antenna\n");
850 conf->antenna = ant.antenna;
851 DPRINTF((&sc->sc_ic.ic_if, "antenna %02x\n", ant.antenna));
853 /* Get sensitivity XXX not used */
854 if (sc->sc_radio_type == ACX_RADIO_TYPE_MAXIM ||
855 sc->sc_radio_type == ACX_RADIO_TYPE_RFMD ||
856 sc->sc_radio_type == ACX_RADIO_TYPE_RALINK) {
857 error = acx_read_phyreg(sc, ACXRV_PHYREG_SENSITIVITY, &sen);
859 if_printf(&sc->sc_ic.ic_if, "can't get sensitivity\n");
865 DPRINTF((&sc->sc_ic.ic_if, "sensitivity %02x\n", sen));
867 /* Get firmware revision */
868 if (acx_get_fwrev_conf(sc, &fw_rev) != 0) {
869 if_printf(&sc->sc_ic.ic_if, "can't get firmware revision\n");
873 if (strncmp(fw_rev.fw_rev, "Rev ", 4) != 0) {
874 if_printf(&sc->sc_ic.ic_if, "strange revision string -- %s\n",
876 fw_rev_no = 0x01090407;
885 s = &fw_rev.fw_rev[4];
887 for (i = 0; i < 4; ++i) {
890 val = strtoul(s, &endp, 16);
891 fw_rev_no |= val << ((3 - i) * 8);
899 sc->sc_firmware_ver = fw_rev_no;
900 sc->sc_hardware_id = le32toh(fw_rev.hw_id);
901 DPRINTF((&sc->sc_ic.ic_if, "fw rev %08x, hw id %08x\n",
902 sc->sc_firmware_ver, sc->sc_hardware_id));
904 if (sc->chip_read_config != NULL) {
905 error = sc->chip_read_config(sc, conf);
913 acx_write_config(struct acx_softc *sc, struct acx_config *conf)
915 struct acx_conf_nretry_short sretry;
916 struct acx_conf_nretry_long lretry;
917 struct acx_conf_msdu_lifetime msdu_lifetime;
918 struct acx_conf_rate_fallback rate_fb;
919 struct acx_conf_antenna ant;
920 struct acx_conf_regdom reg_dom;
921 struct acx_conf_rxopt rx_opt;
924 /* Set number of long/short retry */
925 KKASSERT(sc->chip_short_retry_limit > 0);
926 sretry.nretry = sc->chip_short_retry_limit;
927 if (acx_set_nretry_short_conf(sc, &sretry) != 0) {
928 if_printf(&sc->sc_ic.ic_if, "can't set short retry limit\n");
932 lretry.nretry = sc->sc_long_retry_limit;
933 if (acx_set_nretry_long_conf(sc, &lretry) != 0) {
934 if_printf(&sc->sc_ic.ic_if, "can't set long retry limit\n");
938 /* Set MSDU lifetime */
939 msdu_lifetime.lifetime = htole32(sc->sc_msdu_lifetime);
940 if (acx_set_msdu_lifetime_conf(sc, &msdu_lifetime) != 0) {
941 if_printf(&sc->sc_ic.ic_if, "can't set MSDU lifetime\n");
945 /* Enable rate fallback */
946 rate_fb.ratefb_enable = 1;
947 if (acx_set_rate_fallback_conf(sc, &rate_fb) != 0) {
948 if_printf(&sc->sc_ic.ic_if, "can't enable rate fallback\n");
953 ant.antenna = conf->antenna;
954 if (acx_set_antenna_conf(sc, &ant) != 0) {
955 if_printf(&sc->sc_ic.ic_if, "can't set antenna\n");
959 /* Set region domain */
960 reg_dom.regdom = conf->regdom;
961 if (acx_set_regdom_conf(sc, ®_dom) != 0) {
962 if_printf(&sc->sc_ic.ic_if, "can't set region domain\n");
966 if (sc->chip_write_config != NULL) {
967 error = sc->chip_write_config(sc, conf);
972 /* What we want to receive and how to receive */
973 /* XXX may not belong here, acx_init() */
974 rx_opt.opt1 = RXOPT1_FILT_FDEST | RXOPT1_INCL_RXBUF_HDR;
975 rx_opt.opt2 = RXOPT2_RECV_ASSOC_REQ |
982 RXOPT2_RECV_PROBE_REQ |
983 RXOPT2_RECV_PROBE_RESP |
985 if (acx_set_rxopt_conf(sc, &rx_opt) != 0) {
986 if_printf(&sc->sc_ic.ic_if, "can't set RX option\n");
993 acx_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred *cr)
995 struct acx_softc *sc = ifp->if_softc;
1000 req = (struct ifreq *)data;
1004 error = suser_cred(cr, NULL_CRED_OKAY);
1008 error = acx_copyin_firmware(sc, req);
1011 error = suser_cred(cr, NULL_CRED_OKAY);
1014 acx_free_firmware(sc);
1017 error = copyout(&sc->sc_radio_type, req->ifr_data,
1018 sizeof(sc->sc_radio_type));
1021 error = copyout(&sc->sc_firmware_ver, req->ifr_data,
1022 sizeof(sc->sc_firmware_ver));
1025 error = copyout(&sc->sc_hardware_id, req->ifr_data,
1026 sizeof(sc->sc_hardware_id));
1029 error = copyout(&sc->sc_stats, req->ifr_data,
1030 sizeof(sc->sc_stats));
1033 if (ifp->if_flags & IFF_UP) {
1034 if ((ifp->if_flags & IFF_RUNNING) == 0)
1037 if (ifp->if_flags & IFF_RUNNING)
1046 error = ieee80211_ioctl(&sc->sc_ic, cmd, data, cr);
1050 if (error == ENETRESET) {
1051 if ((ifp->if_flags & (IFF_RUNNING | IFF_UP)) ==
1052 (IFF_RUNNING | IFF_UP))
1060 acx_start(struct ifnet *ifp)
1062 struct acx_softc *sc = ifp->if_softc;
1063 struct ieee80211com *ic = &sc->sc_ic;
1064 struct acx_buf_data *bd = &sc->sc_buf_data;
1065 struct acx_txbuf *buf;
1068 ASSERT_SERIALIZED(ifp->if_serializer);
1070 if ((sc->sc_flags & ACX_FLAG_FW_LOADED) == 0 ||
1071 (ifp->if_flags & IFF_RUNNING) == 0 ||
1072 (ifp->if_flags & IFF_OACTIVE))
1077 * We can't start from a random position that TX descriptor
1078 * is free, since hardware will be confused by that.
1079 * We have to follow the order of the TX ring.
1081 idx = bd->tx_free_start;
1083 for (buf = &bd->tx_buf[idx]; buf->tb_mbuf == NULL;
1084 buf = &bd->tx_buf[idx]) {
1085 struct ieee80211_frame *f;
1086 struct ieee80211_node *ni = NULL;
1090 if (!IF_QEMPTY(&ic->ic_mgtq)) {
1091 IF_DEQUEUE(&ic->ic_mgtq, m);
1093 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif;
1094 m->m_pkthdr.rcvif = NULL;
1099 * Don't transmit probe response firmware will
1102 f = mtod(m, struct ieee80211_frame *);
1103 if ((f->i_fc[0] & IEEE80211_FC0_TYPE_MASK) ==
1104 IEEE80211_FC0_TYPE_MGT &&
1105 (f->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) ==
1106 IEEE80211_FC0_SUBTYPE_PROBE_RESP) {
1108 ieee80211_free_node(ni);
1112 } else if (!ifq_is_empty(&ifp->if_snd)) {
1113 struct ether_header *eh;
1115 if (ic->ic_state != IEEE80211_S_RUN) {
1116 if_printf(ifp, "data packet dropped due to "
1117 "not RUN. Current state %d\n",
1122 m = ifq_dequeue(&ifp->if_snd, NULL);
1126 if (m->m_len < sizeof(struct ether_header)) {
1127 m = m_pullup(m, sizeof(struct ether_header));
1133 eh = mtod(m, struct ether_header *);
1135 ni = ieee80211_find_txnode(ic, eh->ether_dhost);
1142 /* TODO power save */
1144 m = ieee80211_encap(ic, m, ni);
1146 ieee80211_free_node(ni);
1156 f = mtod(m, struct ieee80211_frame *);
1157 if ((f->i_fc[1] & IEEE80211_FC1_WEP) && !sc->chip_hw_crypt) {
1158 KASSERT(ni != NULL, ("TX node is NULL (WEP)\n"));
1159 if (ieee80211_crypto_encap(ic, ni, m) == NULL) {
1160 ieee80211_free_node(ni);
1167 if (ic->ic_rawbpf != NULL)
1168 bpf_mtap(ic->ic_rawbpf, m);
1171 * Since mgmt data are transmitted at fixed rate
1172 * they will not be used to do rate control.
1174 if (mgmt_pkt && ni != NULL) {
1175 ieee80211_free_node(ni);
1179 if (acx_encap(sc, buf, m, ni) != 0) {
1181 * NOTE: `m' will be freed in acx_encap()
1185 ieee80211_free_node(ni);
1192 * 1) `m' should not be touched after acx_encap()
1193 * 2) `node' will be used to do TX rate control during
1194 * acx_txeof(), so it is not freed here. acx_txeof()
1195 * will free it for us
1199 bd->tx_used_count++;
1200 idx = (idx + 1) % ACX_TX_DESC_CNT;
1202 bd->tx_free_start = idx;
1204 if (bd->tx_used_count == ACX_TX_DESC_CNT)
1205 ifp->if_flags |= IFF_OACTIVE;
1207 if (trans && sc->sc_tx_timer == 0)
1208 sc->sc_tx_timer = 5;
1213 acx_watchdog(struct ifnet *ifp)
1215 struct acx_softc *sc = ifp->if_softc;
1219 if ((ifp->if_flags & IFF_RUNNING) == 0)
1222 if (sc->sc_tx_timer) {
1223 if (--sc->sc_tx_timer == 0) {
1224 if_printf(ifp, "watchdog timeout\n");
1226 acx_txeof(ifp->if_softc);
1231 ieee80211_watchdog(&sc->sc_ic);
1237 struct acx_softc *sc = arg;
1238 uint16_t intr_status;
1240 if ((sc->sc_flags & ACX_FLAG_FW_LOADED) == 0)
1243 intr_status = CSR_READ_2(sc, ACXREG_INTR_STATUS_CLR);
1244 if (intr_status == ACXRV_INTR_ALL) {
1245 /* not our interrupt */
1249 intr_status &= sc->chip_intr_enable;
1250 if (intr_status == 0) {
1251 /* not interrupts we care about */
1255 /* Acknowledge all interrupts */
1256 CSR_WRITE_2(sc, ACXREG_INTR_ACK, ACXRV_INTR_ALL);
1258 if (intr_status & ACXRV_INTR_TX_FINI)
1261 if (intr_status & ACXRV_INTR_RX_FINI)
1266 acx_disable_intr(struct acx_softc *sc)
1268 CSR_WRITE_2(sc, ACXREG_INTR_MASK, sc->chip_intr_disable);
1269 CSR_WRITE_2(sc, ACXREG_EVENT_MASK, 0);
1273 acx_enable_intr(struct acx_softc *sc)
1275 /* Mask out interrupts that are not in the enable set */
1276 CSR_WRITE_2(sc, ACXREG_INTR_MASK, ~sc->chip_intr_enable);
1277 CSR_WRITE_2(sc, ACXREG_EVENT_MASK, ACXRV_EVENT_DISABLE);
1281 acx_txeof(struct acx_softc *sc)
1283 struct acx_buf_data *bd;
1284 struct acx_txbuf *buf;
1288 ifp = &sc->sc_ic.ic_if;
1289 ASSERT_SERIALIZED(ifp->if_serializer);
1291 bd = &sc->sc_buf_data;
1292 idx = bd->tx_used_start;
1293 for (buf = &bd->tx_buf[idx]; buf->tb_mbuf != NULL;
1294 buf = &bd->tx_buf[idx]) {
1295 uint8_t ctrl, error;
1298 ctrl = FW_TXDESC_GETFIELD_1(sc, buf, f_tx_ctrl);
1299 if ((ctrl & (DESC_CTRL_HOSTOWN | DESC_CTRL_ACXDONE)) !=
1300 (DESC_CTRL_HOSTOWN | DESC_CTRL_ACXDONE))
1303 bus_dmamap_unload(bd->mbuf_dma_tag, buf->tb_mbuf_dmamap);
1304 frame_len = buf->tb_mbuf->m_pkthdr.len;
1305 m_freem(buf->tb_mbuf);
1306 buf->tb_mbuf = NULL;
1308 error = FW_TXDESC_GETFIELD_1(sc, buf, f_tx_error);
1310 acx_txerr(sc, error);
1316 if (buf->tb_node != NULL) {
1317 sc->chip_tx_complete(sc, buf, frame_len, error);
1318 ieee80211_free_node(buf->tb_node);
1319 buf->tb_node = NULL;
1322 FW_TXDESC_SETFIELD_1(sc, buf, f_tx_ctrl, DESC_CTRL_HOSTOWN);
1324 bd->tx_used_count--;
1326 idx = (idx + 1) % ACX_TX_DESC_CNT;
1328 bd->tx_used_start = idx;
1330 sc->sc_tx_timer = bd->tx_used_count == 0 ? 0 : 5;
1332 if (bd->tx_used_count != ACX_TX_DESC_CNT) {
1333 ifp->if_flags &= ~IFF_OACTIVE;
1339 acx_txerr(struct acx_softc *sc, uint8_t err)
1341 struct ifnet *ifp = &sc->sc_ic.ic_if;
1342 struct acx_stats *stats = &sc->sc_stats;
1344 if (err == DESC_ERR_EXCESSIVE_RETRY) {
1346 * This a common error (see comment below),
1347 * so print it using DPRINTF()
1349 DPRINTF((ifp, "TX failed -- excessive retry\n"));
1351 if_printf(ifp, "TX failed -- ");
1355 * Although `err' looks like bitmask, it never
1356 * has multiple bits set.
1360 case DESC_ERR_OTHER_FRAG:
1361 /* XXX what's this */
1362 kprintf("error in other fragment\n");
1363 stats->err_oth_frag++;
1366 case DESC_ERR_ABORT:
1367 kprintf("aborted\n");
1370 case DESC_ERR_PARAM:
1371 kprintf("wrong paramters in descriptor\n");
1374 case DESC_ERR_NO_WEPKEY:
1375 kprintf("WEP key missing\n");
1376 stats->err_no_wepkey++;
1378 case DESC_ERR_MSDU_TIMEOUT:
1379 kprintf("MSDU life timeout\n");
1380 stats->err_msdu_timeout++;
1382 case DESC_ERR_EXCESSIVE_RETRY:
1385 * 1) Distance is too long
1386 * 2) Transmit failed (e.g. no MAC level ACK)
1387 * 3) Chip overheated (this should be rare)
1389 stats->err_ex_retry++;
1391 case DESC_ERR_BUF_OVERFLOW:
1392 kprintf("buffer overflow\n");
1393 stats->err_buf_oflow++;
1396 kprintf("DMA error\n");
1400 kprintf("unknown error %d\n", err);
1407 acx_rxeof(struct acx_softc *sc)
1409 struct ieee80211com *ic = &sc->sc_ic;
1410 struct acx_ring_data *rd = &sc->sc_ring_data;
1411 struct acx_buf_data *bd = &sc->sc_buf_data;
1412 struct ifnet *ifp = &ic->ic_if;
1415 ASSERT_SERIALIZED(ic->ic_if.if_serializer);
1417 bus_dmamap_sync(rd->rx_ring_dma_tag, rd->rx_ring_dmamap,
1418 BUS_DMASYNC_POSTREAD);
1421 * Locate first "ready" rx buffer,
1422 * start from last stopped position
1424 idx = bd->rx_scan_start;
1427 struct acx_rxbuf *buf;
1429 buf = &bd->rx_buf[idx];
1430 if ((buf->rb_desc->h_ctrl & htole16(DESC_CTRL_HOSTOWN)) &&
1431 (buf->rb_desc->h_status & htole32(DESC_STATUS_FULL))) {
1435 idx = (idx + 1) % ACX_RX_DESC_CNT;
1436 } while (idx != bd->rx_scan_start);
1442 * NOTE: don't mess up `idx' here, it will
1443 * be used in the following code
1447 struct acx_rxbuf_hdr *head;
1448 struct acx_rxbuf *buf;
1450 uint32_t desc_status;
1454 buf = &bd->rx_buf[idx];
1456 desc_ctrl = le16toh(buf->rb_desc->h_ctrl);
1457 desc_status = le32toh(buf->rb_desc->h_status);
1458 if (!(desc_ctrl & DESC_CTRL_HOSTOWN) ||
1459 !(desc_status & DESC_STATUS_FULL))
1462 bus_dmamap_sync(bd->mbuf_dma_tag, buf->rb_mbuf_dmamap,
1463 BUS_DMASYNC_POSTREAD);
1467 error = acx_newbuf(sc, buf, 0);
1473 head = mtod(m, struct acx_rxbuf_hdr *);
1475 len = le16toh(head->rbh_len) & ACX_RXBUF_LEN_MASK;
1476 if (len >= sizeof(struct ieee80211_frame_min) &&
1478 struct ieee80211_frame *f;
1479 struct ieee80211_node *ni;
1481 m_adj(m, sizeof(struct acx_rxbuf_hdr) +
1482 sc->chip_rxbuf_exhdr);
1483 f = mtod(m, struct ieee80211_frame *);
1485 if ((f->i_fc[1] & IEEE80211_FC1_WEP) &&
1486 sc->chip_hw_crypt) {
1487 /* Short circuit software WEP */
1488 f->i_fc[1] &= ~IEEE80211_FC1_WEP;
1490 /* Do chip specific RX buffer processing */
1491 if (sc->chip_proc_wep_rxbuf != NULL) {
1492 sc->chip_proc_wep_rxbuf(sc, m, &len);
1493 f = mtod(m, struct ieee80211_frame *);
1497 ni = ieee80211_find_rxnode(ic,
1498 (struct ieee80211_frame_min *)f);
1500 m->m_len = m->m_pkthdr.len = len;
1501 m->m_pkthdr.rcvif = &ic->ic_if;
1503 ieee80211_input(ic, m, ni, head->rbh_level,
1504 le32toh(head->rbh_time));
1506 ieee80211_free_node(ni);
1514 buf->rb_desc->h_ctrl = htole16(desc_ctrl & ~DESC_CTRL_HOSTOWN);
1515 buf->rb_desc->h_status = 0;
1516 bus_dmamap_sync(rd->rx_ring_dma_tag, rd->rx_ring_dmamap,
1517 BUS_DMASYNC_PREWRITE);
1519 idx = (idx + 1) % ACX_RX_DESC_CNT;
1520 } while (idx != bd->rx_scan_start);
1523 * Record the position so that next
1524 * time we can start from it
1526 bd->rx_scan_start = idx;
1530 acx_reset(struct acx_softc *sc)
1535 CSR_SETB_2(sc, ACXREG_ECPU_CTRL, ACXRV_ECPU_HALT);
1537 /* Software reset */
1538 reg = CSR_READ_2(sc, ACXREG_SOFT_RESET);
1539 CSR_WRITE_2(sc, ACXREG_SOFT_RESET, reg | ACXRV_SOFT_RESET);
1541 CSR_WRITE_2(sc, ACXREG_SOFT_RESET, reg);
1543 /* Initialize EEPROM */
1544 CSR_SETB_2(sc, ACXREG_EEPROM_INIT, ACXRV_EEPROM_INIT);
1547 /* Test whether ECPU is stopped */
1548 reg = CSR_READ_2(sc, ACXREG_ECPU_CTRL);
1549 if (!(reg & ACXRV_ECPU_HALT)) {
1550 if_printf(&sc->sc_ic.ic_if, "can't halt ECPU\n");
1557 acx_read_eeprom(struct acx_softc *sc, uint32_t offset, uint8_t *val)
1561 CSR_WRITE_4(sc, ACXREG_EEPROM_CONF, 0);
1562 CSR_WRITE_4(sc, ACXREG_EEPROM_ADDR, offset);
1563 CSR_WRITE_4(sc, ACXREG_EEPROM_CTRL, ACXRV_EEPROM_READ);
1565 #define EE_READ_RETRY_MAX 100
1566 for (i = 0; i < EE_READ_RETRY_MAX; ++i) {
1567 if (CSR_READ_2(sc, ACXREG_EEPROM_CTRL) == 0)
1571 if (i == EE_READ_RETRY_MAX) {
1572 if_printf(&sc->sc_ic.ic_if, "can't read EEPROM offset %x "
1573 "(timeout)\n", offset);
1576 #undef EE_READ_RETRY_MAX
1578 *val = CSR_READ_1(sc, ACXREG_EEPROM_DATA);
1583 acx_read_phyreg(struct acx_softc *sc, uint32_t reg, uint8_t *val)
1587 CSR_WRITE_4(sc, ACXREG_PHY_ADDR, reg);
1588 CSR_WRITE_4(sc, ACXREG_PHY_CTRL, ACXRV_PHY_READ);
1590 #define PHY_READ_RETRY_MAX 100
1591 for (i = 0; i < PHY_READ_RETRY_MAX; ++i) {
1592 if (CSR_READ_4(sc, ACXREG_PHY_CTRL) == 0)
1596 if (i == PHY_READ_RETRY_MAX) {
1597 if_printf(&sc->sc_ic.ic_if, "can't read phy reg %x (timeout)\n",
1601 #undef PHY_READ_RETRY_MAX
1603 *val = CSR_READ_1(sc, ACXREG_PHY_DATA);
1608 acx_write_phyreg(struct acx_softc *sc, uint32_t reg, uint8_t val)
1610 CSR_WRITE_4(sc, ACXREG_PHY_DATA, val);
1611 CSR_WRITE_4(sc, ACXREG_PHY_ADDR, reg);
1612 CSR_WRITE_4(sc, ACXREG_PHY_CTRL, ACXRV_PHY_WRITE);
1616 acx_copyin_firmware(struct acx_softc *sc, struct ifreq *req)
1618 struct acx_firmware ufw, *kfw;
1619 uint8_t *base_fw, *radio_fw;
1622 kfw = &sc->sc_firmware;
1626 error = copyin(req->ifr_data, &ufw, sizeof(ufw));
1631 * For combined base firmware, there is no radio firmware.
1632 * But base firmware must exist.
1634 if (ufw.base_fw_len <= 0 || ufw.radio_fw_len < 0)
1637 base_fw = kmalloc(ufw.base_fw_len, M_DEVBUF, M_INTWAIT);
1638 error = copyin(ufw.base_fw, base_fw, ufw.base_fw_len);
1642 if (ufw.radio_fw_len > 0) {
1643 radio_fw = kmalloc(ufw.radio_fw_len, M_DEVBUF, M_INTWAIT);
1644 error = copyin(ufw.radio_fw, radio_fw, ufw.radio_fw_len);
1649 kfw->base_fw_len = ufw.base_fw_len;
1650 if (kfw->base_fw != NULL)
1651 kfree(kfw->base_fw, M_DEVBUF);
1652 kfw->base_fw = base_fw;
1654 kfw->radio_fw_len = ufw.radio_fw_len;
1655 if (kfw->radio_fw != NULL)
1656 kfree(kfw->radio_fw, M_DEVBUF);
1657 kfw->radio_fw = radio_fw;
1661 if (base_fw != NULL)
1662 kfree(base_fw, M_DEVBUF);
1663 if (radio_fw != NULL)
1664 kfree(radio_fw, M_DEVBUF);
1669 acx_free_firmware(struct acx_softc *sc)
1671 struct acx_firmware *fw = &sc->sc_firmware;
1673 if (fw->base_fw != NULL) {
1674 kfree(fw->base_fw, M_DEVBUF);
1676 fw->base_fw_len = 0;
1678 if (fw->radio_fw != NULL) {
1679 kfree(fw->radio_fw, M_DEVBUF);
1680 fw->radio_fw = NULL;
1681 fw->radio_fw_len = 0;
1686 acx_load_base_firmware(struct acx_softc *sc, const uint8_t *base_fw,
1687 uint32_t base_fw_len)
1691 /* Load base firmware */
1692 error = acx_load_firmware(sc, 0, base_fw, base_fw_len);
1694 if_printf(&sc->sc_ic.ic_if, "can't load base firmware\n");
1697 DPRINTF((&sc->sc_ic.ic_if, "base firmware loaded\n"));
1700 CSR_WRITE_2(sc, ACXREG_ECPU_CTRL, ACXRV_ECPU_START);
1702 /* Wait for ECPU to be up */
1703 for (i = 0; i < 500; ++i) {
1706 reg = CSR_READ_2(sc, ACXREG_INTR_STATUS);
1707 if (reg & ACXRV_INTR_FCS_THRESH) {
1708 CSR_WRITE_2(sc, ACXREG_INTR_ACK, ACXRV_INTR_FCS_THRESH);
1714 if_printf(&sc->sc_ic.ic_if, "can't initialize ECPU (timeout)\n");
1719 acx_load_radio_firmware(struct acx_softc *sc, const uint8_t *radio_fw,
1720 uint32_t radio_fw_len)
1722 struct acx_conf_mmap mem_map;
1723 uint32_t radio_fw_ofs;
1727 * Get the position, where base firmware is loaded, so that
1728 * radio firmware can be loaded after it.
1730 if (acx_get_mmap_conf(sc, &mem_map) != 0)
1732 radio_fw_ofs = le32toh(mem_map.code_end);
1734 /* Put ECPU into sleeping state, before loading radio firmware */
1735 if (acx_sleep(sc) != 0)
1738 /* Load radio firmware */
1739 error = acx_load_firmware(sc, radio_fw_ofs, radio_fw, radio_fw_len);
1741 if_printf(&sc->sc_ic.ic_if, "can't load radio firmware\n");
1744 DPRINTF((&sc->sc_ic.ic_if, "radio firmware loaded\n"));
1746 /* Wake up sleeping ECPU, after radio firmware is loaded */
1747 if (acx_wakeup(sc) != 0)
1750 /* Initialize radio */
1751 if (acx_init_radio(sc, radio_fw_ofs, radio_fw_len) != 0)
1754 /* Verify radio firmware's loading position */
1755 if (acx_get_mmap_conf(sc, &mem_map) != 0)
1757 if (le32toh(mem_map.code_end) != radio_fw_ofs + radio_fw_len) {
1758 if_printf(&sc->sc_ic.ic_if, "loaded radio firmware position "
1763 DPRINTF((&sc->sc_ic.ic_if, "radio firmware initialized\n"));
1768 acx_load_firmware(struct acx_softc *sc, uint32_t offset, const uint8_t *data,
1774 fw = (const uint32_t *)data;
1775 fw_len = data_len / sizeof(uint32_t);
1778 * LOADFW_AUTO_INC only works with some older firmware:
1779 * 1) acx100's firmware
1780 * 2) acx111's firmware whose rev is 0x00010011
1784 CSR_WRITE_4(sc, ACXREG_FWMEM_START, ACXRV_FWMEM_START_OP);
1785 #ifndef LOADFW_AUTO_INC
1786 CSR_WRITE_4(sc, ACXREG_FWMEM_CTRL, 0);
1788 CSR_WRITE_4(sc, ACXREG_FWMEM_CTRL, ACXRV_FWMEM_ADDR_AUTOINC);
1789 CSR_WRITE_4(sc, ACXREG_FWMEM_ADDR, offset);
1792 for (i = 0; i < fw_len; ++i) {
1793 #ifndef LOADFW_AUTO_INC
1794 CSR_WRITE_4(sc, ACXREG_FWMEM_ADDR, offset + (i * 4));
1796 CSR_WRITE_4(sc, ACXREG_FWMEM_DATA, be32toh(fw[i]));
1799 /* Verify firmware */
1800 CSR_WRITE_4(sc, ACXREG_FWMEM_START, ACXRV_FWMEM_START_OP);
1801 #ifndef LOADFW_AUTO_INC
1802 CSR_WRITE_4(sc, ACXREG_FWMEM_CTRL, 0);
1804 CSR_WRITE_4(sc, ACXREG_FWMEM_CTRL, ACXRV_FWMEM_ADDR_AUTOINC);
1805 CSR_WRITE_4(sc, ACXREG_FWMEM_ADDR, offset);
1808 for (i = 0; i < fw_len; ++i) {
1811 #ifndef LOADFW_AUTO_INC
1812 CSR_WRITE_4(sc, ACXREG_FWMEM_ADDR, offset + (i * 4));
1814 val = CSR_READ_4(sc, ACXREG_FWMEM_DATA);
1815 if (be32toh(fw[i]) != val) {
1816 if_printf(&sc->sc_ic.ic_if, "fireware mismatch "
1817 "fw %08x loaded %08x\n", fw[i], val);
1825 acx_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg)
1827 struct acx_softc *sc = ic->ic_if.if_softc;
1828 int error = 0, mode = 0;
1830 ASSERT_SERIALIZED(ic->ic_if.if_serializer);
1832 ieee80211_ratectl_newstate(ic, nstate);
1835 case IEEE80211_S_SCAN:
1836 if (ic->ic_state != IEEE80211_S_INIT) {
1839 chan = ieee80211_chan2ieee(ic, ic->ic_curchan);
1840 ACX_ENABLE_TXCHAN(sc, chan);
1841 ACX_ENABLE_RXCHAN(sc, chan);
1843 callout_reset(&sc->sc_chanscan_timer,
1844 hz / acx_chanscan_rate,
1848 case IEEE80211_S_AUTH:
1849 if (ic->ic_opmode == IEEE80211_M_STA) {
1850 struct ieee80211_node *ni;
1854 if (acx_join_bss(sc, ACX_MODE_STA, ni) != 0) {
1855 if_printf(&ic->ic_if, "join BSS failed\n");
1860 DPRINTF((&ic->ic_if, "join BSS\n"));
1861 if (ic->ic_state == IEEE80211_S_ASSOC) {
1862 DPRINTF((&ic->ic_if,
1863 "change from assoc to run\n"));
1864 ic->ic_state = IEEE80211_S_RUN;
1868 case IEEE80211_S_RUN:
1869 if (ic->ic_opmode == IEEE80211_M_IBSS ||
1870 ic->ic_opmode == IEEE80211_M_HOSTAP) {
1871 struct ieee80211_node *ni;
1875 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
1879 if (acx_enable_txchan(sc, chan) != 0) {
1880 if_printf(&ic->ic_if,
1881 "enable TX on channel %d failed\n",
1886 if (acx_enable_rxchan(sc, chan) != 0) {
1887 if_printf(&ic->ic_if,
1888 "enable RX on channel %d failed\n",
1893 if (acx_set_beacon_tmplt(sc, ni) != 0) {
1894 if_printf(&ic->ic_if,
1895 "set bescon template failed\n");
1899 if (acx_set_probe_resp_tmplt(sc, ni) != 0) {
1900 if_printf(&ic->ic_if, "set probe response "
1901 "template failed\n");
1905 if (ic->ic_opmode == IEEE80211_M_IBSS)
1906 mode = ACX_MODE_ADHOC;
1910 if (acx_join_bss(sc, mode, ni) != 0) {
1911 if_printf(&ic->ic_if, "acx_join_ibss failed\n");
1915 DPRINTF((&ic->ic_if, "join IBSS\n"));
1926 nstate = IEEE80211_S_INIT;
1929 return sc->sc_newstate(ic, nstate, arg);
1933 acx_init_tmplt_ordered(struct acx_softc *sc)
1935 struct acx_tmplt_tim tim;
1937 #define INIT_TMPLT(name) \
1939 if (acx_init_##name##_tmplt(sc) != 0) \
1945 * Order of templates initialization:
1951 * Above order is critical to get a correct memory map.
1953 INIT_TMPLT(probe_req);
1954 INIT_TMPLT(null_data);
1957 INIT_TMPLT(probe_resp);
1959 /* Setup TIM template */
1960 bzero(&tim, sizeof(tim));
1961 tim.tim_eid = IEEE80211_ELEMID_TIM;
1962 tim.tim_len = ACX_TIM_LEN(ACX_TIM_BITMAP_LEN);
1963 if (_acx_set_tim_tmplt(sc, &tim,
1964 ACX_TMPLT_TIM_SIZ(ACX_TIM_BITMAP_LEN)) != 0) {
1965 if_printf(&sc->sc_ic.ic_if, "%s can't set tim tmplt\n",
1975 acx_ring_dma_addr(void *arg, bus_dma_segment_t *seg, int nseg, int error)
1977 *((uint32_t *)arg) = seg->ds_addr;
1981 acx_dma_alloc(struct acx_softc *sc)
1983 struct acx_ring_data *rd = &sc->sc_ring_data;
1984 struct acx_buf_data *bd = &sc->sc_buf_data;
1987 /* Allocate DMA stuffs for RX descriptors */
1988 error = bus_dma_tag_create(NULL, PAGE_SIZE, 0,
1989 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR,
1991 ACX_RX_RING_SIZE, 1, ACX_RX_RING_SIZE,
1992 0, &rd->rx_ring_dma_tag);
1994 if_printf(&sc->sc_ic.ic_if, "can't create rx ring dma tag\n");
1998 error = bus_dmamem_alloc(rd->rx_ring_dma_tag, (void **)&rd->rx_ring,
1999 BUS_DMA_WAITOK | BUS_DMA_ZERO,
2000 &rd->rx_ring_dmamap);
2002 if_printf(&sc->sc_ic.ic_if,
2003 "can't allocate rx ring dma memory\n");
2004 bus_dma_tag_destroy(rd->rx_ring_dma_tag);
2005 rd->rx_ring_dma_tag = NULL;
2009 error = bus_dmamap_load(rd->rx_ring_dma_tag, rd->rx_ring_dmamap,
2010 rd->rx_ring, ACX_RX_RING_SIZE,
2011 acx_ring_dma_addr, &rd->rx_ring_paddr,
2014 if_printf(&sc->sc_ic.ic_if, "can't get rx ring dma address\n");
2015 bus_dmamem_free(rd->rx_ring_dma_tag, rd->rx_ring,
2016 rd->rx_ring_dmamap);
2017 bus_dma_tag_destroy(rd->rx_ring_dma_tag);
2018 rd->rx_ring_dma_tag = NULL;
2022 /* Allocate DMA stuffs for TX descriptors */
2023 error = bus_dma_tag_create(NULL, PAGE_SIZE, 0,
2024 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR,
2026 ACX_TX_RING_SIZE, 1, ACX_TX_RING_SIZE,
2027 0, &rd->tx_ring_dma_tag);
2029 if_printf(&sc->sc_ic.ic_if, "can't create tx ring dma tag\n");
2033 error = bus_dmamem_alloc(rd->tx_ring_dma_tag, (void **)&rd->tx_ring,
2034 BUS_DMA_WAITOK | BUS_DMA_ZERO,
2035 &rd->tx_ring_dmamap);
2037 if_printf(&sc->sc_ic.ic_if,
2038 "can't allocate tx ring dma memory\n");
2039 bus_dma_tag_destroy(rd->tx_ring_dma_tag);
2040 rd->tx_ring_dma_tag = NULL;
2044 error = bus_dmamap_load(rd->tx_ring_dma_tag, rd->tx_ring_dmamap,
2045 rd->tx_ring, ACX_TX_RING_SIZE,
2046 acx_ring_dma_addr, &rd->tx_ring_paddr,
2049 if_printf(&sc->sc_ic.ic_if, "can't get tx ring dma address\n");
2050 bus_dmamem_free(rd->tx_ring_dma_tag, rd->tx_ring,
2051 rd->tx_ring_dmamap);
2052 bus_dma_tag_destroy(rd->tx_ring_dma_tag);
2053 rd->tx_ring_dma_tag = NULL;
2057 /* Create DMA tag for RX/TX mbuf map */
2058 error = bus_dma_tag_create(NULL, 1, 0,
2059 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR,
2061 MCLBYTES, 1, MCLBYTES,
2062 0, &bd->mbuf_dma_tag);
2064 if_printf(&sc->sc_ic.ic_if, "can't create mbuf dma tag\n");
2068 /* Create a spare RX DMA map */
2069 error = bus_dmamap_create(bd->mbuf_dma_tag, 0, &bd->mbuf_tmp_dmamap);
2071 if_printf(&sc->sc_ic.ic_if, "can't create tmp mbuf dma map\n");
2072 bus_dma_tag_destroy(bd->mbuf_dma_tag);
2073 bd->mbuf_dma_tag = NULL;
2077 /* Create DMA map for RX mbufs */
2078 for (i = 0; i < ACX_RX_DESC_CNT; ++i) {
2079 error = bus_dmamap_create(bd->mbuf_dma_tag, 0,
2080 &bd->rx_buf[i].rb_mbuf_dmamap);
2082 if_printf(&sc->sc_ic.ic_if, "can't create rx mbuf "
2083 "dma map (%d)\n", i);
2086 bd->rx_buf[i].rb_desc = &rd->rx_ring[i];
2089 /* Create DMA map for TX mbufs */
2090 for (i = 0; i < ACX_TX_DESC_CNT; ++i) {
2091 error = bus_dmamap_create(bd->mbuf_dma_tag, 0,
2092 &bd->tx_buf[i].tb_mbuf_dmamap);
2094 if_printf(&sc->sc_ic.ic_if, "can't create tx mbuf "
2095 "dma map (%d)\n", i);
2098 bd->tx_buf[i].tb_desc1 = &rd->tx_ring[i * 2];
2099 bd->tx_buf[i].tb_desc2 = &rd->tx_ring[(i * 2) + 1];
2106 acx_dma_free(struct acx_softc *sc)
2108 struct acx_ring_data *rd = &sc->sc_ring_data;
2109 struct acx_buf_data *bd = &sc->sc_buf_data;
2112 if (rd->rx_ring_dma_tag != NULL) {
2113 bus_dmamap_unload(rd->rx_ring_dma_tag, rd->rx_ring_dmamap);
2114 bus_dmamem_free(rd->rx_ring_dma_tag, rd->rx_ring,
2115 rd->rx_ring_dmamap);
2116 bus_dma_tag_destroy(rd->rx_ring_dma_tag);
2119 if (rd->tx_ring_dma_tag != NULL) {
2120 bus_dmamap_unload(rd->tx_ring_dma_tag, rd->tx_ring_dmamap);
2121 bus_dmamem_free(rd->tx_ring_dma_tag, rd->tx_ring,
2122 rd->tx_ring_dmamap);
2123 bus_dma_tag_destroy(rd->tx_ring_dma_tag);
2126 for (i = 0; i < ACX_RX_DESC_CNT; ++i) {
2127 if (bd->rx_buf[i].rb_desc != NULL) {
2128 if (bd->rx_buf[i].rb_mbuf != NULL) {
2129 bus_dmamap_unload(bd->mbuf_dma_tag,
2130 bd->rx_buf[i].rb_mbuf_dmamap);
2131 m_freem(bd->rx_buf[i].rb_mbuf);
2133 bus_dmamap_destroy(bd->mbuf_dma_tag,
2134 bd->rx_buf[i].rb_mbuf_dmamap);
2138 for (i = 0; i < ACX_TX_DESC_CNT; ++i) {
2139 if (bd->tx_buf[i].tb_desc1 != NULL) {
2140 if (bd->tx_buf[i].tb_mbuf != NULL) {
2141 bus_dmamap_unload(bd->mbuf_dma_tag,
2142 bd->tx_buf[i].tb_mbuf_dmamap);
2143 m_freem(bd->tx_buf[i].tb_mbuf);
2145 bus_dmamap_destroy(bd->mbuf_dma_tag,
2146 bd->tx_buf[i].tb_mbuf_dmamap);
2150 if (bd->mbuf_dma_tag != NULL) {
2151 bus_dmamap_destroy(bd->mbuf_dma_tag, bd->mbuf_tmp_dmamap);
2152 bus_dma_tag_destroy(bd->mbuf_dma_tag);
2157 acx_init_tx_ring(struct acx_softc *sc)
2159 struct acx_ring_data *rd;
2160 struct acx_buf_data *bd;
2164 rd = &sc->sc_ring_data;
2165 paddr = rd->tx_ring_paddr;
2166 for (i = 0; i < (ACX_TX_DESC_CNT * 2) - 1; ++i) {
2167 paddr += sizeof(struct acx_host_desc);
2169 rd->tx_ring[i].h_ctrl = htole16(DESC_CTRL_HOSTOWN);
2171 if (i == (ACX_TX_DESC_CNT * 2) - 1)
2172 rd->tx_ring[i].h_next_desc = htole32(rd->tx_ring_paddr);
2174 rd->tx_ring[i].h_next_desc = htole32(paddr);
2177 bus_dmamap_sync(rd->tx_ring_dma_tag, rd->tx_ring_dmamap,
2178 BUS_DMASYNC_PREWRITE);
2180 bd = &sc->sc_buf_data;
2181 bd->tx_free_start = 0;
2182 bd->tx_used_start = 0;
2183 bd->tx_used_count = 0;
2189 acx_init_rx_ring(struct acx_softc *sc)
2191 struct acx_ring_data *rd;
2192 struct acx_buf_data *bd;
2196 bd = &sc->sc_buf_data;
2197 rd = &sc->sc_ring_data;
2198 paddr = rd->rx_ring_paddr;
2200 for (i = 0; i < ACX_RX_DESC_CNT; ++i) {
2203 paddr += sizeof(struct acx_host_desc);
2205 error = acx_newbuf(sc, &bd->rx_buf[i], 1);
2209 if (i == ACX_RX_DESC_CNT - 1)
2210 rd->rx_ring[i].h_next_desc = htole32(rd->rx_ring_paddr);
2212 rd->rx_ring[i].h_next_desc = htole32(paddr);
2215 bus_dmamap_sync(rd->rx_ring_dma_tag, rd->rx_ring_dmamap,
2216 BUS_DMASYNC_PREWRITE);
2218 bd->rx_scan_start = 0;
2223 acx_buf_dma_addr(void *arg, bus_dma_segment_t *seg, int nseg,
2224 bus_size_t mapsz, int error)
2230 KASSERT(nseg == 1, ("too many RX dma segments\n"));
2231 *((uint32_t *)arg) = seg->ds_addr;
2235 acx_newbuf(struct acx_softc *sc, struct acx_rxbuf *rb, int wait)
2237 struct acx_buf_data *bd;
2243 bd = &sc->sc_buf_data;
2245 m = m_getcl(wait ? MB_WAIT : MB_DONTWAIT, MT_DATA, M_PKTHDR);
2249 m->m_len = m->m_pkthdr.len = MCLBYTES;
2251 error = bus_dmamap_load_mbuf(bd->mbuf_dma_tag, bd->mbuf_tmp_dmamap,
2252 m, acx_buf_dma_addr, &paddr,
2253 wait ? BUS_DMA_WAITOK : BUS_DMA_NOWAIT);
2256 if_printf(&sc->sc_ic.ic_if, "can't map rx mbuf %d\n", error);
2260 /* Unload originally mapped mbuf */
2261 bus_dmamap_unload(bd->mbuf_dma_tag, rb->rb_mbuf_dmamap);
2263 /* Swap this dmamap with tmp dmamap */
2264 map = rb->rb_mbuf_dmamap;
2265 rb->rb_mbuf_dmamap = bd->mbuf_tmp_dmamap;
2266 bd->mbuf_tmp_dmamap = map;
2269 rb->rb_desc->h_data_paddr = htole32(paddr);
2270 rb->rb_desc->h_data_len = htole16(m->m_len);
2272 bus_dmamap_sync(bd->mbuf_dma_tag, rb->rb_mbuf_dmamap,
2273 BUS_DMASYNC_PREREAD);
2278 acx_encap(struct acx_softc *sc, struct acx_txbuf *txbuf, struct mbuf *m,
2279 struct ieee80211_node *ni)
2281 struct acx_buf_data *bd = &sc->sc_buf_data;
2282 struct acx_ring_data *rd = &sc->sc_ring_data;
2287 KASSERT(txbuf->tb_mbuf == NULL, ("free TX buf has mbuf installed\n"));
2290 if (m->m_pkthdr.len > MCLBYTES) {
2291 if_printf(&sc->sc_ic.ic_if, "mbuf too big\n");
2294 } else if (m->m_pkthdr.len < ACX_FRAME_HDRLEN) {
2295 if_printf(&sc->sc_ic.ic_if, "mbuf too small\n");
2300 error = bus_dmamap_load_mbuf(bd->mbuf_dma_tag, txbuf->tb_mbuf_dmamap,
2301 m, acx_buf_dma_addr, &paddr,
2303 if (error && error != EFBIG) {
2304 if_printf(&sc->sc_ic.ic_if, "can't map tx mbuf1 %d\n", error);
2308 if (error) { /* error == EFBIG */
2311 m_new = m_defrag(m, MB_DONTWAIT);
2312 if (m_new == NULL) {
2313 if_printf(&sc->sc_ic.ic_if, "can't defrag tx mbuf\n");
2320 error = bus_dmamap_load_mbuf(bd->mbuf_dma_tag,
2321 txbuf->tb_mbuf_dmamap, m,
2322 acx_buf_dma_addr, &paddr,
2325 if_printf(&sc->sc_ic.ic_if, "can't map tx mbuf2 %d\n",
2333 bus_dmamap_sync(bd->mbuf_dma_tag, txbuf->tb_mbuf_dmamap,
2334 BUS_DMASYNC_PREWRITE);
2337 txbuf->tb_node = ni;
2340 * TX buffers are accessed in following way:
2341 * acx_fw_txdesc -> acx_host_desc -> buffer
2343 * It is quite strange that acx also querys acx_host_desc next to
2344 * the one we have assigned to acx_fw_txdesc even if first one's
2345 * acx_host_desc.h_data_len == acx_fw_txdesc.f_tx_len
2347 * So we allocate two acx_host_desc for one acx_fw_txdesc and
2348 * assign the first acx_host_desc to acx_fw_txdesc
2351 * host_desc1.h_data_len = buffer_len
2352 * host_desc2.h_data_len = buffer_len - mac_header_len
2355 * host_desc1.h_data_len = mac_header_len
2356 * host_desc2.h_data_len = buffer_len - mac_header_len
2359 txbuf->tb_desc1->h_data_paddr = htole32(paddr);
2360 txbuf->tb_desc2->h_data_paddr = htole32(paddr + ACX_FRAME_HDRLEN);
2362 txbuf->tb_desc1->h_data_len =
2363 htole16(sc->chip_txdesc1_len ? sc->chip_txdesc1_len
2365 txbuf->tb_desc2->h_data_len =
2366 htole16(m->m_pkthdr.len - ACX_FRAME_HDRLEN);
2370 * We can't simply assign f_tx_ctrl, we will first read it back
2371 * and change it bit by bit
2373 ctrl = FW_TXDESC_GETFIELD_1(sc, txbuf, f_tx_ctrl);
2374 ctrl |= sc->chip_fw_txdesc_ctrl; /* extra chip specific flags */
2375 ctrl &= ~(DESC_CTRL_HOSTOWN | DESC_CTRL_ACXDONE);
2377 FW_TXDESC_SETFIELD_4(sc, txbuf, f_tx_len, m->m_pkthdr.len);
2378 FW_TXDESC_SETFIELD_1(sc, txbuf, f_tx_error, 0);
2379 FW_TXDESC_SETFIELD_1(sc, txbuf, f_tx_data_nretry, 0);
2380 FW_TXDESC_SETFIELD_1(sc, txbuf, f_tx_rts_nretry, 0);
2381 FW_TXDESC_SETFIELD_1(sc, txbuf, f_tx_rts_ok, 0);
2382 sc->chip_set_fw_txdesc_rate(sc, txbuf, ni, m->m_pkthdr.len);
2384 txbuf->tb_desc1->h_ctrl = 0;
2385 txbuf->tb_desc2->h_ctrl = 0;
2386 bus_dmamap_sync(rd->tx_ring_dma_tag, rd->tx_ring_dmamap,
2387 BUS_DMASYNC_PREWRITE);
2389 FW_TXDESC_SETFIELD_1(sc, txbuf, f_tx_ctrl2, 0);
2390 FW_TXDESC_SETFIELD_1(sc, txbuf, f_tx_ctrl, ctrl);
2392 /* Tell chip to inform us about TX completion */
2393 CSR_WRITE_2(sc, ACXREG_INTR_TRIG, ACXRV_TRIG_TX_FINI);
2401 acx_set_null_tmplt(struct acx_softc *sc)
2403 struct acx_tmplt_null_data n;
2404 struct ieee80211_frame *f;
2406 bzero(&n, sizeof(n));
2409 f->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_DATA |
2410 IEEE80211_FC0_SUBTYPE_NODATA;
2411 IEEE80211_ADDR_COPY(f->i_addr1, etherbroadcastaddr);
2412 IEEE80211_ADDR_COPY(f->i_addr2, IF_LLADDR(&sc->sc_ic.ic_if));
2413 IEEE80211_ADDR_COPY(f->i_addr3, etherbroadcastaddr);
2415 return _acx_set_null_data_tmplt(sc, &n, sizeof(n));
2419 acx_set_probe_req_tmplt(struct acx_softc *sc, const char *ssid, int ssid_len)
2421 struct acx_tmplt_probe_req req;
2422 struct ieee80211_frame *f;
2426 bzero(&req, sizeof(req));
2428 f = &req.data.u_data.f;
2429 f->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT |
2430 IEEE80211_FC0_SUBTYPE_PROBE_REQ;
2431 IEEE80211_ADDR_COPY(f->i_addr1, etherbroadcastaddr);
2432 IEEE80211_ADDR_COPY(f->i_addr2, IF_LLADDR(&sc->sc_ic.ic_if));
2433 IEEE80211_ADDR_COPY(f->i_addr3, etherbroadcastaddr);
2435 v = req.data.u_data.var;
2436 v = ieee80211_add_ssid(v, ssid, ssid_len);
2437 v = ieee80211_add_rates(v, &sc->sc_ic.ic_sup_rates[sc->chip_phymode]);
2438 v = ieee80211_add_xrates(v, &sc->sc_ic.ic_sup_rates[sc->chip_phymode]);
2439 vlen = v - req.data.u_data.var;
2441 return _acx_set_probe_req_tmplt(sc, &req,
2442 ACX_TMPLT_PROBE_REQ_SIZ(vlen));
2446 acx_set_probe_resp_tmplt(struct acx_softc *sc, struct ieee80211_node *ni)
2448 struct ieee80211com *ic = &sc->sc_ic;
2449 struct acx_tmplt_probe_resp resp;
2450 struct ieee80211_frame *f;
2454 m = ieee80211_probe_resp_alloc(ic, ni);
2457 DPRINTF((&ic->ic_if, "%s alloc probe resp size %d\n", __func__,
2460 f = mtod(m, struct ieee80211_frame *);
2461 IEEE80211_ADDR_COPY(f->i_addr1, etherbroadcastaddr);
2463 bzero(&resp, sizeof(resp));
2464 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t)&resp.data);
2465 len = m->m_pkthdr.len + sizeof(resp.size);
2468 return _acx_set_probe_resp_tmplt(sc, &resp, len);
2472 acx_set_beacon_tmplt(struct acx_softc *sc, struct ieee80211_node *ni)
2474 struct ieee80211com *ic = &sc->sc_ic;
2475 struct acx_tmplt_beacon beacon;
2476 struct ieee80211_beacon_offsets bo;
2480 bzero(&bo, sizeof(bo));
2481 m = ieee80211_beacon_alloc(ic, ni, &bo);
2484 DPRINTF((&ic->ic_if, "%s alloc beacon size %d\n", __func__,
2487 bzero(&beacon, sizeof(beacon));
2488 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t)&beacon.data);
2489 len = m->m_pkthdr.len + sizeof(beacon.size);
2492 return _acx_set_beacon_tmplt(sc, &beacon, len);
2496 acx_sysctl_msdu_lifetime(SYSCTL_HANDLER_ARGS)
2498 struct acx_softc *sc = arg1;
2499 struct ifnet *ifp = &sc->sc_ic.ic_if;
2502 lwkt_serialize_enter(ifp->if_serializer);
2504 v = sc->sc_msdu_lifetime;
2505 error = sysctl_handle_int(oidp, &v, 0, req);
2506 if (error || req->newptr == NULL)
2513 if (sc->sc_flags & ACX_FLAG_FW_LOADED) {
2514 struct acx_conf_msdu_lifetime msdu_lifetime;
2516 msdu_lifetime.lifetime = htole32(v);
2517 if (acx_set_msdu_lifetime_conf(sc, &msdu_lifetime) != 0) {
2518 if_printf(&sc->sc_ic.ic_if,
2519 "can't set MSDU lifetime\n");
2524 sc->sc_msdu_lifetime = v;
2526 lwkt_serialize_exit(ifp->if_serializer);
2531 acx_media_change(struct ifnet *ifp)
2535 error = ieee80211_media_change(ifp);
2536 if (error != ENETRESET)
2539 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING))
2540 acx_init(ifp->if_softc);