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 1.12 2006/12/22 23:26:18 swildner 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 */
199 int acx_beacon_intvl = 100; /* 100 TU */
201 static const struct acx_device {
204 void (*set_param)(device_t);
207 { PCI_VENDOR_TI, PCI_PRODUCT_TI_ACX100A, acx100_set_param,
208 "Texas Instruments TNETW1100A Wireless Adapter" },
209 { PCI_VENDOR_TI, PCI_PRODUCT_TI_ACX100B, acx100_set_param,
210 "Texas Instruments TNETW1100B Wireless Adapter" },
211 { PCI_VENDOR_TI, PCI_PRODUCT_TI_ACX111, acx111_set_param,
212 "Texas Instruments TNETW1130 Wireless Adapter" },
216 static device_method_t acx_methods[] = {
217 DEVMETHOD(device_probe, acx_probe),
218 DEVMETHOD(device_attach, acx_attach),
219 DEVMETHOD(device_detach, acx_detach),
220 DEVMETHOD(device_shutdown, acx_shutdown),
222 DEVMETHOD(device_suspend, acx_suspend),
223 DEVMETHOD(device_resume, acx_resume),
228 static driver_t acx_driver = {
231 sizeof(struct acx_softc)
234 static devclass_t acx_devclass;
236 DRIVER_MODULE(acx, pci, acx_driver, acx_devclass, 0, 0);
237 DRIVER_MODULE(acx, cardbus, acx_driver, acx_devclass, 0, 0);
239 MODULE_DEPEND(acx, wlan, 1, 1, 1);
240 MODULE_DEPEND(acx, wlan_ratectl_onoe, 1, 1, 1);
241 MODULE_DEPEND(acx, wlan_ratectl_amrr, 1, 1, 1);
242 MODULE_DEPEND(acx, pci, 1, 1, 1);
243 MODULE_DEPEND(acx, cardbus, 1, 1, 1);
246 acx_probe(device_t dev)
248 const struct acx_device *a;
251 vid = pci_get_vendor(dev);
252 did = pci_get_device(dev);
253 for (a = acx_devices; a->desc != NULL; ++a) {
254 if (vid == a->vid && did == a->did) {
256 device_set_desc(dev, a->desc);
264 acx_attach(device_t dev)
266 struct acx_softc *sc;
268 struct ieee80211com *ic;
271 sc = device_get_softc(dev);
275 if_initname(ifp, device_get_name(dev), device_get_unit(dev));
278 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) {
279 uint32_t mem1, mem2, irq;
281 mem1 = pci_read_config(dev, sc->chip_mem1_rid, 4);
282 mem2 = pci_read_config(dev, sc->chip_mem2_rid, 4);
283 irq = pci_read_config(dev, PCIR_INTLINE, 4);
285 device_printf(dev, "chip is in D%d power mode "
286 "-- setting to D0\n", pci_get_powerstate(dev));
288 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
290 pci_write_config(dev, sc->chip_mem1_rid, mem1, 4);
291 pci_write_config(dev, sc->chip_mem2_rid, mem2, 4);
292 pci_write_config(dev, PCIR_INTLINE, irq, 4);
294 #endif /* !BURN_BRIDGE */
296 /* Enable bus mastering */
297 pci_enable_busmaster(dev);
299 /* Allocate IO memory 1 */
300 sc->sc_mem1_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
303 if (sc->sc_mem1_res == NULL) {
305 device_printf(dev, "can't allocate IO mem1\n");
308 sc->sc_mem1_bt = rman_get_bustag(sc->sc_mem1_res);
309 sc->sc_mem1_bh = rman_get_bushandle(sc->sc_mem1_res);
311 /* Allocate IO memory 2 */
312 sc->sc_mem2_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
315 if (sc->sc_mem2_res == NULL) {
317 device_printf(dev, "can't allocate IO mem2\n");
320 sc->sc_mem2_bt = rman_get_bustag(sc->sc_mem2_res);
321 sc->sc_mem2_bh = rman_get_bushandle(sc->sc_mem2_res);
324 sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
326 RF_SHAREABLE | RF_ACTIVE);
327 if (sc->sc_irq_res == NULL) {
329 device_printf(dev, "can't allocate intr\n");
333 /* Initilize channel scanning timer */
334 callout_init(&sc->sc_chanscan_timer);
336 /* Allocate busdma stuffs */
337 error = acx_dma_alloc(sc);
342 error = acx_reset(sc);
346 /* Disable interrupts before firmware is loaded */
347 acx_disable_intr(sc);
349 /* Get radio type and form factor */
350 #define EEINFO_RETRY_MAX 50
351 for (i = 0; i < EEINFO_RETRY_MAX; ++i) {
354 ee_info = CSR_READ_2(sc, ACXREG_EEPROM_INFO);
355 if (ACX_EEINFO_HAS_RADIO_TYPE(ee_info)) {
356 sc->sc_form_factor = ACX_EEINFO_FORM_FACTOR(ee_info);
357 sc->sc_radio_type = ACX_EEINFO_RADIO_TYPE(ee_info);
362 if (i == EEINFO_RETRY_MAX) {
366 #undef EEINFO_RETRY_MAX
368 DPRINTF((&sc->sc_ic.ic_if, "radio type %02x\n", sc->sc_radio_type));
371 for (i = 0; i < 0x40; ++i) {
374 error = acx_read_eeprom(sc, i, &val);
377 kprintf("%02x ", val);
380 #endif /* DUMP_EEPROM */
382 /* Get EEPROM version */
383 error = acx_read_eeprom(sc, ACX_EE_VERSION_OFS, &sc->sc_eeprom_ver);
386 DPRINTF((&sc->sc_ic.ic_if, "EEPROM version %u\n", sc->sc_eeprom_ver));
389 ifp->if_init = acx_init;
390 ifp->if_ioctl = acx_ioctl;
391 ifp->if_start = acx_start;
392 ifp->if_watchdog = acx_watchdog;
393 ifp->if_flags = IFF_SIMPLEX | IFF_BROADCAST | IFF_MULTICAST;
394 ifq_set_maxlen(&ifp->if_snd, IFQ_MAXLEN);
395 ifq_set_ready(&ifp->if_snd);
398 for (i = 1; i <= 14; ++i) {
399 ic->ic_channels[i].ic_freq =
400 ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ);
401 ic->ic_channels[i].ic_flags = sc->chip_chan_flags;
404 ic->ic_opmode = IEEE80211_M_STA;
405 ic->ic_state = IEEE80211_S_INIT;
406 ic->ic_bintval = acx_beacon_intvl;
409 * NOTE: Don't overwrite ic_caps set by chip specific code
411 ic->ic_caps |= IEEE80211_C_WEP | /* WEP */
412 IEEE80211_C_HOSTAP | /* Host AP modes */
413 IEEE80211_C_IBSS | /* IBSS modes */
414 IEEE80211_C_SHPREAMBLE; /* Short preamble */
415 ic->ic_caps_ext = IEEE80211_CEXT_PBCC; /* PBCC modulation */
418 for (i = 0; i < IEEE80211_ADDR_LEN; ++i) {
419 error = acx_read_eeprom(sc, sc->chip_ee_eaddr_ofs - i,
423 ieee80211_ifattach(ic);
425 /* Override newstate */
426 sc->sc_newstate = ic->ic_newstate;
427 ic->ic_newstate = acx_newstate;
429 ieee80211_media_init(ic, acx_media_change, ieee80211_media_status);
431 sc->sc_long_retry_limit = 4;
432 sc->sc_msdu_lifetime = 4096;
434 sysctl_ctx_init(&sc->sc_sysctl_ctx);
435 sc->sc_sysctl_tree = SYSCTL_ADD_NODE(&sc->sc_sysctl_ctx,
436 SYSCTL_STATIC_CHILDREN(_hw),
438 device_get_nameunit(dev),
440 if (sc->sc_sysctl_tree == NULL) {
441 device_printf(dev, "can't add sysctl node\n");
446 SYSCTL_ADD_PROC(&sc->sc_sysctl_ctx,
447 SYSCTL_CHILDREN(sc->sc_sysctl_tree),
448 OID_AUTO, "msdu_lifetime",
449 CTLTYPE_INT | CTLFLAG_RW,
450 sc, 0, acx_sysctl_msdu_lifetime, "I",
453 error = bus_setup_intr(dev, sc->sc_irq_res, INTR_MPSAFE, acx_intr, sc,
454 &sc->sc_irq_handle, ifp->if_serializer);
456 device_printf(dev, "can't set up interrupt\n");
461 ieee80211_announce(ic);
465 ieee80211_ifdetach(ic);
472 acx_detach(device_t dev)
474 struct acx_softc *sc = device_get_softc(dev);
476 if (device_is_attached(dev)) {
477 struct ieee80211com *ic = &sc->sc_ic;
478 struct ifnet *ifp = &ic->ic_if;
480 lwkt_serialize_enter(ifp->if_serializer);
483 acx_free_firmware(sc);
484 bus_teardown_intr(dev, sc->sc_irq_res, sc->sc_irq_handle);
486 lwkt_serialize_exit(ifp->if_serializer);
488 ieee80211_ifdetach(ic);
491 if (sc->sc_sysctl_tree != NULL)
492 sysctl_ctx_free(&sc->sc_sysctl_ctx);
494 if (sc->sc_irq_res != NULL) {
495 bus_release_resource(dev, SYS_RES_IRQ, sc->sc_irq_rid,
498 if (sc->sc_mem1_res != NULL) {
499 bus_release_resource(dev, SYS_RES_MEMORY, sc->chip_mem1_rid,
502 if (sc->sc_mem2_res != NULL) {
503 bus_release_resource(dev, SYS_RES_MEMORY, sc->chip_mem2_rid,
512 acx_shutdown(device_t dev)
514 struct acx_softc *sc = device_get_softc(dev);
516 lwkt_serialize_enter(sc->sc_ic.ic_if.if_serializer);
518 lwkt_serialize_exit(sc->sc_ic.ic_if.if_serializer);
525 struct acx_softc *sc = arg;
526 struct ifnet *ifp = &sc->sc_ic.ic_if;
527 struct acx_firmware *fw = &sc->sc_firmware;
530 error = acx_stop(sc);
534 if (fw->base_fw == NULL) {
536 if_printf(ifp, "base firmware is not loaded yet\n");
540 error = acx_init_tx_ring(sc);
542 if_printf(ifp, "can't initialize TX ring\n");
546 error = acx_init_rx_ring(sc);
548 if_printf(ifp, "can't initialize RX ring\n");
552 error = acx_load_base_firmware(sc, fw->base_fw, fw->base_fw_len);
557 * Initialize command and information registers
558 * NOTE: This should be done after base firmware is loaded
560 acx_init_cmd_reg(sc);
561 acx_init_info_reg(sc);
563 sc->sc_flags |= ACX_FLAG_FW_LOADED;
566 if (sc->chip_post_basefw != NULL) {
567 error = sc->chip_post_basefw(sc);
573 if (fw->radio_fw != NULL) {
574 error = acx_load_radio_firmware(sc, fw->radio_fw,
580 error = sc->chip_init(sc);
584 /* Get and set device various configuration */
585 error = acx_config(sc);
589 /* Setup crypto stuffs */
590 if (sc->sc_ic.ic_flags & IEEE80211_F_PRIVACY) {
591 error = acx_set_crypt_keys(sc);
594 sc->sc_ic.ic_flags &= ~IEEE80211_F_DROPUNENC;
597 /* Turn on power led */
598 CSR_CLRB_2(sc, ACXREG_GPIO_OUT, sc->chip_gpio_pled);
602 ifp->if_flags |= IFF_RUNNING;
603 ifp->if_flags &= ~IFF_OACTIVE;
605 /* Begin background scanning */
609 ieee80211_new_state(&sc->sc_ic, IEEE80211_S_SCAN, -1);
618 acx_init_info_reg(struct acx_softc *sc)
620 sc->sc_info = CSR_READ_4(sc, ACXREG_INFO_REG_OFFSET);
621 sc->sc_info_param = sc->sc_info + ACX_INFO_REG_SIZE;
625 acx_set_crypt_keys(struct acx_softc *sc)
627 struct ieee80211com *ic = &sc->sc_ic;
628 struct acx_conf_wep_txkey wep_txkey;
629 int i, error, got_wk = 0;
631 for (i = 0; i < IEEE80211_WEP_NKID; ++i) {
632 struct ieee80211_key *wk = &ic->ic_nw_keys[i];
634 if (wk->wk_keylen == 0)
637 if (sc->chip_hw_crypt) {
638 error = sc->chip_set_wepkey(sc, wk, i);
642 } else if (wk->wk_flags & IEEE80211_KEY_XMIT) {
643 wk->wk_flags |= IEEE80211_KEY_SWCRYPT;
647 if (!got_wk || sc->chip_hw_crypt ||
648 ic->ic_def_txkey == IEEE80211_KEYIX_NONE)
651 /* Set current WEP key index */
652 wep_txkey.wep_txkey = ic->ic_def_txkey;
653 if (acx_set_wep_txkey_conf(sc, &wep_txkey) != 0) {
654 if_printf(&ic->ic_if, "set WEP txkey failed\n");
662 acx_begin_scan(struct acx_softc *sc)
664 struct ieee80211com *ic = &sc->sc_ic;
667 ieee80211_begin_scan(ic, 1);
669 chan = ieee80211_chan2ieee(ic, ic->ic_bss->ni_chan);
671 ACX_ENABLE_TXCHAN(sc, chan);
672 ACX_ENABLE_RXCHAN(sc, chan);
674 /* Start background scanning */
675 callout_reset(&sc->sc_chanscan_timer, hz / acx_chanscan_rate,
681 acx_next_scan(void *arg)
683 struct acx_softc *sc = arg;
684 struct ieee80211com *ic = &sc->sc_ic;
685 struct ifnet *ifp = &ic->ic_if;
687 lwkt_serialize_enter(ifp->if_serializer);
689 if (ic->ic_state == IEEE80211_S_SCAN) {
694 ieee80211_next_scan(ic);
697 chan = ieee80211_chan2ieee(ic, ic->ic_bss->ni_chan);
699 ACX_ENABLE_TXCHAN(sc, chan);
700 ACX_ENABLE_RXCHAN(sc, chan);
702 callout_reset(&sc->sc_chanscan_timer, hz / acx_chanscan_rate,
707 lwkt_serialize_exit(ifp->if_serializer);
711 acx_stop(struct acx_softc *sc)
713 struct ieee80211com *ic = &sc->sc_ic;
714 struct ifnet *ifp = &ic->ic_if;
715 struct acx_buf_data *bd = &sc->sc_buf_data;
716 struct acx_ring_data *rd = &sc->sc_ring_data;
719 ASSERT_SERIALIZED(ifp->if_serializer);
721 sc->sc_firmware_ver = 0;
722 sc->sc_hardware_id = 0;
725 error = acx_reset(sc);
729 /* Firmware no longer functions after hardware reset */
730 sc->sc_flags &= ~ACX_FLAG_FW_LOADED;
732 acx_disable_intr(sc);
734 /* Stop backgroud scanning */
735 callout_stop(&sc->sc_chanscan_timer);
737 /* Turn off power led */
738 CSR_SETB_2(sc, ACXREG_GPIO_OUT, sc->chip_gpio_pled);
741 for (i = 0; i < ACX_TX_DESC_CNT; ++i) {
742 struct acx_txbuf *buf;
744 buf = &bd->tx_buf[i];
746 if (buf->tb_mbuf != NULL) {
747 bus_dmamap_unload(bd->mbuf_dma_tag,
748 buf->tb_mbuf_dmamap);
749 m_freem(buf->tb_mbuf);
753 if (buf->tb_node != NULL)
754 ieee80211_free_node(buf->tb_node);
758 /* Clear TX host descriptors */
759 bzero(rd->tx_ring, ACX_TX_RING_SIZE);
762 for (i = 0; i < ACX_RX_DESC_CNT; ++i) {
763 if (bd->rx_buf[i].rb_mbuf != NULL) {
764 bus_dmamap_unload(bd->mbuf_dma_tag,
765 bd->rx_buf[i].rb_mbuf_dmamap);
766 m_freem(bd->rx_buf[i].rb_mbuf);
767 bd->rx_buf[i].rb_mbuf = NULL;
771 /* Clear RX host descriptors */
772 bzero(rd->rx_ring, ACX_RX_RING_SIZE);
776 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
777 ieee80211_new_state(&sc->sc_ic, IEEE80211_S_INIT, -1);
783 acx_config(struct acx_softc *sc)
785 struct acx_config conf;
788 error = acx_read_config(sc, &conf);
792 error = acx_write_config(sc, &conf);
796 if (acx_set_probe_req_tmplt(sc, "", 0) != 0) {
797 if_printf(&sc->sc_ic.ic_if, "can't set probe req template "
803 if (acx_set_null_tmplt(sc) != 0) {
804 if_printf(&sc->sc_ic.ic_if, "can't set null data template\n");
811 acx_read_config(struct acx_softc *sc, struct acx_config *conf)
813 struct acx_conf_eaddr addr;
814 struct acx_conf_regdom reg_dom;
815 struct acx_conf_antenna ant;
816 struct acx_conf_fwrev fw_rev;
822 if (acx_get_eaddr_conf(sc, &addr) != 0) {
823 if_printf(&sc->sc_ic.ic_if, "can't get station id\n");
828 * Get and print station id in case that EEPROM station id's
829 * offset is not correct
831 for (i = 0; i < IEEE80211_ADDR_LEN; ++i)
832 conf->eaddr[IEEE80211_ADDR_LEN - 1 - i] = addr.eaddr[i];
833 if_printf(&sc->sc_ic.ic_if, "MAC address (from firmware): %6D\n",
836 /* Get region domain */
837 if (acx_get_regdom_conf(sc, ®_dom) != 0) {
838 if_printf(&sc->sc_ic.ic_if, "can't get region domain\n");
841 conf->regdom = reg_dom.regdom;
842 DPRINTF((&sc->sc_ic.ic_if, "regdom %02x\n", reg_dom.regdom));
845 if (acx_get_antenna_conf(sc, &ant) != 0) {
846 if_printf(&sc->sc_ic.ic_if, "can't get antenna\n");
849 conf->antenna = ant.antenna;
850 DPRINTF((&sc->sc_ic.ic_if, "antenna %02x\n", ant.antenna));
852 /* Get sensitivity XXX not used */
853 if (sc->sc_radio_type == ACX_RADIO_TYPE_MAXIM ||
854 sc->sc_radio_type == ACX_RADIO_TYPE_RFMD ||
855 sc->sc_radio_type == ACX_RADIO_TYPE_RALINK) {
856 error = acx_read_phyreg(sc, ACXRV_PHYREG_SENSITIVITY, &sen);
858 if_printf(&sc->sc_ic.ic_if, "can't get sensitivity\n");
864 DPRINTF((&sc->sc_ic.ic_if, "sensitivity %02x\n", sen));
866 /* Get firmware revision */
867 if (acx_get_fwrev_conf(sc, &fw_rev) != 0) {
868 if_printf(&sc->sc_ic.ic_if, "can't get firmware revision\n");
872 if (strncmp(fw_rev.fw_rev, "Rev ", 4) != 0) {
873 if_printf(&sc->sc_ic.ic_if, "strange revision string -- %s\n",
875 fw_rev_no = 0x01090407;
884 s = &fw_rev.fw_rev[4];
886 for (i = 0; i < 4; ++i) {
889 val = strtoul(s, &endp, 16);
890 fw_rev_no |= val << ((3 - i) * 8);
898 sc->sc_firmware_ver = fw_rev_no;
899 sc->sc_hardware_id = le32toh(fw_rev.hw_id);
900 DPRINTF((&sc->sc_ic.ic_if, "fw rev %08x, hw id %08x\n",
901 sc->sc_firmware_ver, sc->sc_hardware_id));
903 if (sc->chip_read_config != NULL) {
904 error = sc->chip_read_config(sc, conf);
912 acx_write_config(struct acx_softc *sc, struct acx_config *conf)
914 struct acx_conf_nretry_short sretry;
915 struct acx_conf_nretry_long lretry;
916 struct acx_conf_msdu_lifetime msdu_lifetime;
917 struct acx_conf_rate_fallback rate_fb;
918 struct acx_conf_antenna ant;
919 struct acx_conf_regdom reg_dom;
920 struct acx_conf_rxopt rx_opt;
923 /* Set number of long/short retry */
924 KKASSERT(sc->chip_short_retry_limit > 0);
925 sretry.nretry = sc->chip_short_retry_limit;
926 if (acx_set_nretry_short_conf(sc, &sretry) != 0) {
927 if_printf(&sc->sc_ic.ic_if, "can't set short retry limit\n");
931 lretry.nretry = sc->sc_long_retry_limit;
932 if (acx_set_nretry_long_conf(sc, &lretry) != 0) {
933 if_printf(&sc->sc_ic.ic_if, "can't set long retry limit\n");
937 /* Set MSDU lifetime */
938 msdu_lifetime.lifetime = htole32(sc->sc_msdu_lifetime);
939 if (acx_set_msdu_lifetime_conf(sc, &msdu_lifetime) != 0) {
940 if_printf(&sc->sc_ic.ic_if, "can't set MSDU lifetime\n");
944 /* Enable rate fallback */
945 rate_fb.ratefb_enable = 1;
946 if (acx_set_rate_fallback_conf(sc, &rate_fb) != 0) {
947 if_printf(&sc->sc_ic.ic_if, "can't enable rate fallback\n");
952 ant.antenna = conf->antenna;
953 if (acx_set_antenna_conf(sc, &ant) != 0) {
954 if_printf(&sc->sc_ic.ic_if, "can't set antenna\n");
958 /* Set region domain */
959 reg_dom.regdom = conf->regdom;
960 if (acx_set_regdom_conf(sc, ®_dom) != 0) {
961 if_printf(&sc->sc_ic.ic_if, "can't set region domain\n");
965 if (sc->chip_write_config != NULL) {
966 error = sc->chip_write_config(sc, conf);
971 /* What we want to receive and how to receive */
972 /* XXX may not belong here, acx_init() */
973 rx_opt.opt1 = RXOPT1_FILT_FDEST | RXOPT1_INCL_RXBUF_HDR;
974 rx_opt.opt2 = RXOPT2_RECV_ASSOC_REQ |
981 RXOPT2_RECV_PROBE_REQ |
982 RXOPT2_RECV_PROBE_RESP |
984 if (acx_set_rxopt_conf(sc, &rx_opt) != 0) {
985 if_printf(&sc->sc_ic.ic_if, "can't set RX option\n");
992 acx_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred *cr)
994 struct acx_softc *sc = ifp->if_softc;
999 req = (struct ifreq *)data;
1003 error = suser_cred(cr, NULL_CRED_OKAY);
1007 error = acx_copyin_firmware(sc, req);
1010 error = suser_cred(cr, NULL_CRED_OKAY);
1013 acx_free_firmware(sc);
1016 error = copyout(&sc->sc_radio_type, req->ifr_data,
1017 sizeof(sc->sc_radio_type));
1020 error = copyout(&sc->sc_firmware_ver, req->ifr_data,
1021 sizeof(sc->sc_firmware_ver));
1024 error = copyout(&sc->sc_hardware_id, req->ifr_data,
1025 sizeof(sc->sc_hardware_id));
1028 error = copyout(&sc->sc_stats, req->ifr_data,
1029 sizeof(sc->sc_stats));
1032 if (ifp->if_flags & IFF_UP) {
1033 if ((ifp->if_flags & IFF_RUNNING) == 0)
1036 if (ifp->if_flags & IFF_RUNNING)
1045 error = ieee80211_ioctl(&sc->sc_ic, cmd, data, cr);
1049 if (error == ENETRESET) {
1050 if ((ifp->if_flags & (IFF_RUNNING | IFF_UP)) ==
1051 (IFF_RUNNING | IFF_UP))
1059 acx_start(struct ifnet *ifp)
1061 struct acx_softc *sc = ifp->if_softc;
1062 struct ieee80211com *ic = &sc->sc_ic;
1063 struct acx_buf_data *bd = &sc->sc_buf_data;
1064 struct acx_txbuf *buf;
1067 ASSERT_SERIALIZED(ifp->if_serializer);
1069 if ((sc->sc_flags & ACX_FLAG_FW_LOADED) == 0 ||
1070 (ifp->if_flags & IFF_RUNNING) == 0 ||
1071 (ifp->if_flags & IFF_OACTIVE))
1076 * We can't start from a random position that TX descriptor
1077 * is free, since hardware will be confused by that.
1078 * We have to follow the order of the TX ring.
1080 idx = bd->tx_free_start;
1082 for (buf = &bd->tx_buf[idx]; buf->tb_mbuf == NULL;
1083 buf = &bd->tx_buf[idx]) {
1084 struct ieee80211_frame *f;
1085 struct ieee80211_node *ni = NULL;
1089 if (!IF_QEMPTY(&ic->ic_mgtq)) {
1090 IF_DEQUEUE(&ic->ic_mgtq, m);
1092 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif;
1093 m->m_pkthdr.rcvif = NULL;
1098 * Don't transmit probe response firmware will
1101 f = mtod(m, struct ieee80211_frame *);
1102 if ((f->i_fc[0] & IEEE80211_FC0_TYPE_MASK) ==
1103 IEEE80211_FC0_TYPE_MGT &&
1104 (f->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) ==
1105 IEEE80211_FC0_SUBTYPE_PROBE_RESP) {
1107 ieee80211_free_node(ni);
1111 } else if (!ifq_is_empty(&ifp->if_snd)) {
1112 struct ether_header *eh;
1114 if (ic->ic_state != IEEE80211_S_RUN) {
1115 if_printf(ifp, "data packet dropped due to "
1116 "not RUN. Current state %d\n",
1121 m = ifq_dequeue(&ifp->if_snd, NULL);
1125 if (m->m_len < sizeof(struct ether_header)) {
1126 m = m_pullup(m, sizeof(struct ether_header));
1132 eh = mtod(m, struct ether_header *);
1134 ni = ieee80211_find_txnode(ic, eh->ether_dhost);
1141 /* TODO power save */
1143 m = ieee80211_encap(ic, m, ni);
1145 ieee80211_free_node(ni);
1155 f = mtod(m, struct ieee80211_frame *);
1156 if ((f->i_fc[1] & IEEE80211_FC1_WEP) && !sc->chip_hw_crypt) {
1157 KASSERT(ni != NULL, ("TX node is NULL (WEP)\n"));
1158 if (ieee80211_crypto_encap(ic, ni, m) == NULL) {
1159 ieee80211_free_node(ni);
1166 if (ic->ic_rawbpf != NULL)
1167 bpf_mtap(ic->ic_rawbpf, m);
1170 * Since mgmt data are transmitted at fixed rate
1171 * they will not be used to do rate control.
1173 if (mgmt_pkt && ni != NULL) {
1174 ieee80211_free_node(ni);
1178 if (acx_encap(sc, buf, m, ni) != 0) {
1180 * NOTE: `m' will be freed in acx_encap()
1184 ieee80211_free_node(ni);
1191 * 1) `m' should not be touched after acx_encap()
1192 * 2) `node' will be used to do TX rate control during
1193 * acx_txeof(), so it is not freed here. acx_txeof()
1194 * will free it for us
1198 bd->tx_used_count++;
1199 idx = (idx + 1) % ACX_TX_DESC_CNT;
1201 bd->tx_free_start = idx;
1203 if (bd->tx_used_count == ACX_TX_DESC_CNT)
1204 ifp->if_flags |= IFF_OACTIVE;
1206 if (trans && sc->sc_tx_timer == 0)
1207 sc->sc_tx_timer = 5;
1212 acx_watchdog(struct ifnet *ifp)
1214 struct acx_softc *sc = ifp->if_softc;
1218 if ((ifp->if_flags & IFF_RUNNING) == 0)
1221 if (sc->sc_tx_timer) {
1222 if (--sc->sc_tx_timer == 0) {
1223 if_printf(ifp, "watchdog timeout\n");
1225 acx_txeof(ifp->if_softc);
1230 ieee80211_watchdog(&sc->sc_ic);
1236 struct acx_softc *sc = arg;
1237 uint16_t intr_status;
1239 if ((sc->sc_flags & ACX_FLAG_FW_LOADED) == 0)
1242 intr_status = CSR_READ_2(sc, ACXREG_INTR_STATUS_CLR);
1243 if (intr_status == ACXRV_INTR_ALL) {
1244 /* not our interrupt */
1248 intr_status &= sc->chip_intr_enable;
1249 if (intr_status == 0) {
1250 /* not interrupts we care about */
1254 /* Acknowledge all interrupts */
1255 CSR_WRITE_2(sc, ACXREG_INTR_ACK, ACXRV_INTR_ALL);
1257 if (intr_status & ACXRV_INTR_TX_FINI)
1260 if (intr_status & ACXRV_INTR_RX_FINI)
1265 acx_disable_intr(struct acx_softc *sc)
1267 CSR_WRITE_2(sc, ACXREG_INTR_MASK, sc->chip_intr_disable);
1268 CSR_WRITE_2(sc, ACXREG_EVENT_MASK, 0);
1272 acx_enable_intr(struct acx_softc *sc)
1274 /* Mask out interrupts that are not in the enable set */
1275 CSR_WRITE_2(sc, ACXREG_INTR_MASK, ~sc->chip_intr_enable);
1276 CSR_WRITE_2(sc, ACXREG_EVENT_MASK, ACXRV_EVENT_DISABLE);
1280 acx_txeof(struct acx_softc *sc)
1282 struct acx_buf_data *bd;
1283 struct acx_txbuf *buf;
1287 ifp = &sc->sc_ic.ic_if;
1288 ASSERT_SERIALIZED(ifp->if_serializer);
1290 bd = &sc->sc_buf_data;
1291 idx = bd->tx_used_start;
1292 for (buf = &bd->tx_buf[idx]; buf->tb_mbuf != NULL;
1293 buf = &bd->tx_buf[idx]) {
1294 uint8_t ctrl, error;
1297 ctrl = FW_TXDESC_GETFIELD_1(sc, buf, f_tx_ctrl);
1298 if ((ctrl & (DESC_CTRL_HOSTOWN | DESC_CTRL_ACXDONE)) !=
1299 (DESC_CTRL_HOSTOWN | DESC_CTRL_ACXDONE))
1302 bus_dmamap_unload(bd->mbuf_dma_tag, buf->tb_mbuf_dmamap);
1303 frame_len = buf->tb_mbuf->m_pkthdr.len;
1304 m_freem(buf->tb_mbuf);
1305 buf->tb_mbuf = NULL;
1307 error = FW_TXDESC_GETFIELD_1(sc, buf, f_tx_error);
1309 acx_txerr(sc, error);
1315 if (buf->tb_node != NULL) {
1316 sc->chip_tx_complete(sc, buf, frame_len, error);
1317 ieee80211_free_node(buf->tb_node);
1318 buf->tb_node = NULL;
1321 FW_TXDESC_SETFIELD_1(sc, buf, f_tx_ctrl, DESC_CTRL_HOSTOWN);
1323 bd->tx_used_count--;
1325 idx = (idx + 1) % ACX_TX_DESC_CNT;
1327 bd->tx_used_start = idx;
1329 sc->sc_tx_timer = bd->tx_used_count == 0 ? 0 : 5;
1331 if (bd->tx_used_count != ACX_TX_DESC_CNT) {
1332 ifp->if_flags &= ~IFF_OACTIVE;
1338 acx_txerr(struct acx_softc *sc, uint8_t err)
1340 struct ifnet *ifp = &sc->sc_ic.ic_if;
1341 struct acx_stats *stats = &sc->sc_stats;
1343 if (err == DESC_ERR_EXCESSIVE_RETRY) {
1345 * This a common error (see comment below),
1346 * so print it using DPRINTF()
1348 DPRINTF((ifp, "TX failed -- excessive retry\n"));
1350 if_printf(ifp, "TX failed -- ");
1354 * Although `err' looks like bitmask, it never
1355 * has multiple bits set.
1359 case DESC_ERR_OTHER_FRAG:
1360 /* XXX what's this */
1361 kprintf("error in other fragment\n");
1362 stats->err_oth_frag++;
1365 case DESC_ERR_ABORT:
1366 kprintf("aborted\n");
1369 case DESC_ERR_PARAM:
1370 kprintf("wrong paramters in descriptor\n");
1373 case DESC_ERR_NO_WEPKEY:
1374 kprintf("WEP key missing\n");
1375 stats->err_no_wepkey++;
1377 case DESC_ERR_MSDU_TIMEOUT:
1378 kprintf("MSDU life timeout\n");
1379 stats->err_msdu_timeout++;
1381 case DESC_ERR_EXCESSIVE_RETRY:
1384 * 1) Distance is too long
1385 * 2) Transmit failed (e.g. no MAC level ACK)
1386 * 3) Chip overheated (this should be rare)
1388 stats->err_ex_retry++;
1390 case DESC_ERR_BUF_OVERFLOW:
1391 kprintf("buffer overflow\n");
1392 stats->err_buf_oflow++;
1395 kprintf("DMA error\n");
1399 kprintf("unknown error %d\n", err);
1406 acx_rxeof(struct acx_softc *sc)
1408 struct ieee80211com *ic = &sc->sc_ic;
1409 struct acx_ring_data *rd = &sc->sc_ring_data;
1410 struct acx_buf_data *bd = &sc->sc_buf_data;
1411 struct ifnet *ifp = &ic->ic_if;
1414 ASSERT_SERIALIZED(ic->ic_if.if_serializer);
1416 bus_dmamap_sync(rd->rx_ring_dma_tag, rd->rx_ring_dmamap,
1417 BUS_DMASYNC_POSTREAD);
1420 * Locate first "ready" rx buffer,
1421 * start from last stopped position
1423 idx = bd->rx_scan_start;
1426 struct acx_rxbuf *buf;
1428 buf = &bd->rx_buf[idx];
1429 if ((buf->rb_desc->h_ctrl & htole16(DESC_CTRL_HOSTOWN)) &&
1430 (buf->rb_desc->h_status & htole32(DESC_STATUS_FULL))) {
1434 idx = (idx + 1) % ACX_RX_DESC_CNT;
1435 } while (idx != bd->rx_scan_start);
1441 * NOTE: don't mess up `idx' here, it will
1442 * be used in the following code
1446 struct acx_rxbuf_hdr *head;
1447 struct acx_rxbuf *buf;
1449 uint32_t desc_status;
1453 buf = &bd->rx_buf[idx];
1455 desc_ctrl = le16toh(buf->rb_desc->h_ctrl);
1456 desc_status = le32toh(buf->rb_desc->h_status);
1457 if (!(desc_ctrl & DESC_CTRL_HOSTOWN) ||
1458 !(desc_status & DESC_STATUS_FULL))
1461 bus_dmamap_sync(bd->mbuf_dma_tag, buf->rb_mbuf_dmamap,
1462 BUS_DMASYNC_POSTREAD);
1466 error = acx_newbuf(sc, buf, 0);
1472 head = mtod(m, struct acx_rxbuf_hdr *);
1474 len = le16toh(head->rbh_len) & ACX_RXBUF_LEN_MASK;
1475 if (len >= sizeof(struct ieee80211_frame_min) &&
1477 struct ieee80211_frame *f;
1478 struct ieee80211_node *ni;
1480 m_adj(m, sizeof(struct acx_rxbuf_hdr) +
1481 sc->chip_rxbuf_exhdr);
1482 f = mtod(m, struct ieee80211_frame *);
1484 if ((f->i_fc[1] & IEEE80211_FC1_WEP) &&
1485 sc->chip_hw_crypt) {
1486 /* Short circuit software WEP */
1487 f->i_fc[1] &= ~IEEE80211_FC1_WEP;
1489 /* Do chip specific RX buffer processing */
1490 if (sc->chip_proc_wep_rxbuf != NULL) {
1491 sc->chip_proc_wep_rxbuf(sc, m, &len);
1492 f = mtod(m, struct ieee80211_frame *);
1496 ni = ieee80211_find_rxnode(ic,
1497 (struct ieee80211_frame_min *)f);
1499 m->m_len = m->m_pkthdr.len = len;
1500 m->m_pkthdr.rcvif = &ic->ic_if;
1502 ieee80211_input(ic, m, ni, head->rbh_level,
1503 le32toh(head->rbh_time));
1505 ieee80211_free_node(ni);
1513 buf->rb_desc->h_ctrl = htole16(desc_ctrl & ~DESC_CTRL_HOSTOWN);
1514 buf->rb_desc->h_status = 0;
1515 bus_dmamap_sync(rd->rx_ring_dma_tag, rd->rx_ring_dmamap,
1516 BUS_DMASYNC_PREWRITE);
1518 idx = (idx + 1) % ACX_RX_DESC_CNT;
1519 } while (idx != bd->rx_scan_start);
1522 * Record the position so that next
1523 * time we can start from it
1525 bd->rx_scan_start = idx;
1529 acx_reset(struct acx_softc *sc)
1534 CSR_SETB_2(sc, ACXREG_ECPU_CTRL, ACXRV_ECPU_HALT);
1536 /* Software reset */
1537 reg = CSR_READ_2(sc, ACXREG_SOFT_RESET);
1538 CSR_WRITE_2(sc, ACXREG_SOFT_RESET, reg | ACXRV_SOFT_RESET);
1540 CSR_WRITE_2(sc, ACXREG_SOFT_RESET, reg);
1542 /* Initialize EEPROM */
1543 CSR_SETB_2(sc, ACXREG_EEPROM_INIT, ACXRV_EEPROM_INIT);
1546 /* Test whether ECPU is stopped */
1547 reg = CSR_READ_2(sc, ACXREG_ECPU_CTRL);
1548 if (!(reg & ACXRV_ECPU_HALT)) {
1549 if_printf(&sc->sc_ic.ic_if, "can't halt ECPU\n");
1556 acx_read_eeprom(struct acx_softc *sc, uint32_t offset, uint8_t *val)
1560 CSR_WRITE_4(sc, ACXREG_EEPROM_CONF, 0);
1561 CSR_WRITE_4(sc, ACXREG_EEPROM_ADDR, offset);
1562 CSR_WRITE_4(sc, ACXREG_EEPROM_CTRL, ACXRV_EEPROM_READ);
1564 #define EE_READ_RETRY_MAX 100
1565 for (i = 0; i < EE_READ_RETRY_MAX; ++i) {
1566 if (CSR_READ_2(sc, ACXREG_EEPROM_CTRL) == 0)
1570 if (i == EE_READ_RETRY_MAX) {
1571 if_printf(&sc->sc_ic.ic_if, "can't read EEPROM offset %x "
1572 "(timeout)\n", offset);
1575 #undef EE_READ_RETRY_MAX
1577 *val = CSR_READ_1(sc, ACXREG_EEPROM_DATA);
1582 acx_read_phyreg(struct acx_softc *sc, uint32_t reg, uint8_t *val)
1586 CSR_WRITE_4(sc, ACXREG_PHY_ADDR, reg);
1587 CSR_WRITE_4(sc, ACXREG_PHY_CTRL, ACXRV_PHY_READ);
1589 #define PHY_READ_RETRY_MAX 100
1590 for (i = 0; i < PHY_READ_RETRY_MAX; ++i) {
1591 if (CSR_READ_4(sc, ACXREG_PHY_CTRL) == 0)
1595 if (i == PHY_READ_RETRY_MAX) {
1596 if_printf(&sc->sc_ic.ic_if, "can't read phy reg %x (timeout)\n",
1600 #undef PHY_READ_RETRY_MAX
1602 *val = CSR_READ_1(sc, ACXREG_PHY_DATA);
1607 acx_write_phyreg(struct acx_softc *sc, uint32_t reg, uint8_t val)
1609 CSR_WRITE_4(sc, ACXREG_PHY_DATA, val);
1610 CSR_WRITE_4(sc, ACXREG_PHY_ADDR, reg);
1611 CSR_WRITE_4(sc, ACXREG_PHY_CTRL, ACXRV_PHY_WRITE);
1615 acx_copyin_firmware(struct acx_softc *sc, struct ifreq *req)
1617 struct acx_firmware ufw, *kfw;
1618 uint8_t *base_fw, *radio_fw;
1621 kfw = &sc->sc_firmware;
1625 error = copyin(req->ifr_data, &ufw, sizeof(ufw));
1630 * For combined base firmware, there is no radio firmware.
1631 * But base firmware must exist.
1633 if (ufw.base_fw_len <= 0 || ufw.radio_fw_len < 0)
1636 base_fw = kmalloc(ufw.base_fw_len, M_DEVBUF, M_INTWAIT);
1637 error = copyin(ufw.base_fw, base_fw, ufw.base_fw_len);
1641 if (ufw.radio_fw_len > 0) {
1642 radio_fw = kmalloc(ufw.radio_fw_len, M_DEVBUF, M_INTWAIT);
1643 error = copyin(ufw.radio_fw, radio_fw, ufw.radio_fw_len);
1648 kfw->base_fw_len = ufw.base_fw_len;
1649 if (kfw->base_fw != NULL)
1650 kfree(kfw->base_fw, M_DEVBUF);
1651 kfw->base_fw = base_fw;
1653 kfw->radio_fw_len = ufw.radio_fw_len;
1654 if (kfw->radio_fw != NULL)
1655 kfree(kfw->radio_fw, M_DEVBUF);
1656 kfw->radio_fw = radio_fw;
1660 if (base_fw != NULL)
1661 kfree(base_fw, M_DEVBUF);
1662 if (radio_fw != NULL)
1663 kfree(radio_fw, M_DEVBUF);
1668 acx_free_firmware(struct acx_softc *sc)
1670 struct acx_firmware *fw = &sc->sc_firmware;
1672 if (fw->base_fw != NULL) {
1673 kfree(fw->base_fw, M_DEVBUF);
1675 fw->base_fw_len = 0;
1677 if (fw->radio_fw != NULL) {
1678 kfree(fw->radio_fw, M_DEVBUF);
1679 fw->radio_fw = NULL;
1680 fw->radio_fw_len = 0;
1685 acx_load_base_firmware(struct acx_softc *sc, const uint8_t *base_fw,
1686 uint32_t base_fw_len)
1690 /* Load base firmware */
1691 error = acx_load_firmware(sc, 0, base_fw, base_fw_len);
1693 if_printf(&sc->sc_ic.ic_if, "can't load base firmware\n");
1696 DPRINTF((&sc->sc_ic.ic_if, "base firmware loaded\n"));
1699 CSR_WRITE_2(sc, ACXREG_ECPU_CTRL, ACXRV_ECPU_START);
1701 /* Wait for ECPU to be up */
1702 for (i = 0; i < 500; ++i) {
1705 reg = CSR_READ_2(sc, ACXREG_INTR_STATUS);
1706 if (reg & ACXRV_INTR_FCS_THRESH) {
1707 CSR_WRITE_2(sc, ACXREG_INTR_ACK, ACXRV_INTR_FCS_THRESH);
1713 if_printf(&sc->sc_ic.ic_if, "can't initialize ECPU (timeout)\n");
1718 acx_load_radio_firmware(struct acx_softc *sc, const uint8_t *radio_fw,
1719 uint32_t radio_fw_len)
1721 struct acx_conf_mmap mem_map;
1722 uint32_t radio_fw_ofs;
1726 * Get the position, where base firmware is loaded, so that
1727 * radio firmware can be loaded after it.
1729 if (acx_get_mmap_conf(sc, &mem_map) != 0)
1731 radio_fw_ofs = le32toh(mem_map.code_end);
1733 /* Put ECPU into sleeping state, before loading radio firmware */
1734 if (acx_sleep(sc) != 0)
1737 /* Load radio firmware */
1738 error = acx_load_firmware(sc, radio_fw_ofs, radio_fw, radio_fw_len);
1740 if_printf(&sc->sc_ic.ic_if, "can't load radio firmware\n");
1743 DPRINTF((&sc->sc_ic.ic_if, "radio firmware loaded\n"));
1745 /* Wake up sleeping ECPU, after radio firmware is loaded */
1746 if (acx_wakeup(sc) != 0)
1749 /* Initialize radio */
1750 if (acx_init_radio(sc, radio_fw_ofs, radio_fw_len) != 0)
1753 /* Verify radio firmware's loading position */
1754 if (acx_get_mmap_conf(sc, &mem_map) != 0)
1756 if (le32toh(mem_map.code_end) != radio_fw_ofs + radio_fw_len) {
1757 if_printf(&sc->sc_ic.ic_if, "loaded radio firmware position "
1762 DPRINTF((&sc->sc_ic.ic_if, "radio firmware initialized\n"));
1767 acx_load_firmware(struct acx_softc *sc, uint32_t offset, const uint8_t *data,
1773 fw = (const uint32_t *)data;
1774 fw_len = data_len / sizeof(uint32_t);
1777 * LOADFW_AUTO_INC only works with some older firmware:
1778 * 1) acx100's firmware
1779 * 2) acx111's firmware whose rev is 0x00010011
1783 CSR_WRITE_4(sc, ACXREG_FWMEM_START, ACXRV_FWMEM_START_OP);
1784 #ifndef LOADFW_AUTO_INC
1785 CSR_WRITE_4(sc, ACXREG_FWMEM_CTRL, 0);
1787 CSR_WRITE_4(sc, ACXREG_FWMEM_CTRL, ACXRV_FWMEM_ADDR_AUTOINC);
1788 CSR_WRITE_4(sc, ACXREG_FWMEM_ADDR, offset);
1791 for (i = 0; i < fw_len; ++i) {
1792 #ifndef LOADFW_AUTO_INC
1793 CSR_WRITE_4(sc, ACXREG_FWMEM_ADDR, offset + (i * 4));
1795 CSR_WRITE_4(sc, ACXREG_FWMEM_DATA, be32toh(fw[i]));
1798 /* Verify firmware */
1799 CSR_WRITE_4(sc, ACXREG_FWMEM_START, ACXRV_FWMEM_START_OP);
1800 #ifndef LOADFW_AUTO_INC
1801 CSR_WRITE_4(sc, ACXREG_FWMEM_CTRL, 0);
1803 CSR_WRITE_4(sc, ACXREG_FWMEM_CTRL, ACXRV_FWMEM_ADDR_AUTOINC);
1804 CSR_WRITE_4(sc, ACXREG_FWMEM_ADDR, offset);
1807 for (i = 0; i < fw_len; ++i) {
1810 #ifndef LOADFW_AUTO_INC
1811 CSR_WRITE_4(sc, ACXREG_FWMEM_ADDR, offset + (i * 4));
1813 val = CSR_READ_4(sc, ACXREG_FWMEM_DATA);
1814 if (be32toh(fw[i]) != val) {
1815 if_printf(&sc->sc_ic.ic_if, "fireware mismatch "
1816 "fw %08x loaded %08x\n", fw[i], val);
1824 acx_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg)
1826 struct acx_softc *sc = ic->ic_if.if_softc;
1827 int error = 0, mode = 0;
1829 ASSERT_SERIALIZED(ic->ic_if.if_serializer);
1831 ieee80211_ratectl_newstate(ic, nstate);
1834 case IEEE80211_S_SCAN:
1835 if (ic->ic_state != IEEE80211_S_INIT) {
1838 chan = ieee80211_chan2ieee(ic, ic->ic_curchan);
1839 ACX_ENABLE_TXCHAN(sc, chan);
1840 ACX_ENABLE_RXCHAN(sc, chan);
1842 callout_reset(&sc->sc_chanscan_timer,
1843 hz / acx_chanscan_rate,
1847 case IEEE80211_S_AUTH:
1848 if (ic->ic_opmode == IEEE80211_M_STA) {
1849 struct ieee80211_node *ni;
1853 if (acx_join_bss(sc, ACX_MODE_STA, ni) != 0) {
1854 if_printf(&ic->ic_if, "join BSS failed\n");
1859 DPRINTF((&ic->ic_if, "join BSS\n"));
1860 if (ic->ic_state == IEEE80211_S_ASSOC) {
1861 DPRINTF((&ic->ic_if,
1862 "change from assoc to run\n"));
1863 ic->ic_state = IEEE80211_S_RUN;
1867 case IEEE80211_S_RUN:
1868 if (ic->ic_opmode == IEEE80211_M_IBSS ||
1869 ic->ic_opmode == IEEE80211_M_HOSTAP) {
1870 struct ieee80211_node *ni;
1874 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
1878 if (acx_enable_txchan(sc, chan) != 0) {
1879 if_printf(&ic->ic_if,
1880 "enable TX on channel %d failed\n",
1885 if (acx_enable_rxchan(sc, chan) != 0) {
1886 if_printf(&ic->ic_if,
1887 "enable RX on channel %d failed\n",
1892 if (acx_set_beacon_tmplt(sc, ni) != 0) {
1893 if_printf(&ic->ic_if,
1894 "set bescon template failed\n");
1898 if (acx_set_probe_resp_tmplt(sc, ni) != 0) {
1899 if_printf(&ic->ic_if, "set probe response "
1900 "template failed\n");
1904 if (ic->ic_opmode == IEEE80211_M_IBSS)
1905 mode = ACX_MODE_ADHOC;
1909 if (acx_join_bss(sc, mode, ni) != 0) {
1910 if_printf(&ic->ic_if, "acx_join_ibss failed\n");
1914 DPRINTF((&ic->ic_if, "join IBSS\n"));
1925 nstate = IEEE80211_S_INIT;
1928 return sc->sc_newstate(ic, nstate, arg);
1932 acx_init_tmplt_ordered(struct acx_softc *sc)
1934 struct acx_tmplt_tim tim;
1936 #define INIT_TMPLT(name) \
1938 if (acx_init_##name##_tmplt(sc) != 0) \
1944 * Order of templates initialization:
1950 * Above order is critical to get a correct memory map.
1952 INIT_TMPLT(probe_req);
1953 INIT_TMPLT(null_data);
1956 INIT_TMPLT(probe_resp);
1958 /* Setup TIM template */
1959 bzero(&tim, sizeof(tim));
1960 tim.tim_eid = IEEE80211_ELEMID_TIM;
1961 tim.tim_len = ACX_TIM_LEN(ACX_TIM_BITMAP_LEN);
1962 if (_acx_set_tim_tmplt(sc, &tim,
1963 ACX_TMPLT_TIM_SIZ(ACX_TIM_BITMAP_LEN)) != 0) {
1964 if_printf(&sc->sc_ic.ic_if, "%s can't set tim tmplt\n",
1974 acx_ring_dma_addr(void *arg, bus_dma_segment_t *seg, int nseg, int error)
1976 *((uint32_t *)arg) = seg->ds_addr;
1980 acx_dma_alloc(struct acx_softc *sc)
1982 struct acx_ring_data *rd = &sc->sc_ring_data;
1983 struct acx_buf_data *bd = &sc->sc_buf_data;
1986 /* Allocate DMA stuffs for RX descriptors */
1987 error = bus_dma_tag_create(NULL, PAGE_SIZE, 0,
1988 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR,
1990 ACX_RX_RING_SIZE, 1, ACX_RX_RING_SIZE,
1991 0, &rd->rx_ring_dma_tag);
1993 if_printf(&sc->sc_ic.ic_if, "can't create rx ring dma tag\n");
1997 error = bus_dmamem_alloc(rd->rx_ring_dma_tag, (void **)&rd->rx_ring,
1998 BUS_DMA_WAITOK | BUS_DMA_ZERO,
1999 &rd->rx_ring_dmamap);
2001 if_printf(&sc->sc_ic.ic_if,
2002 "can't allocate rx ring dma memory\n");
2003 bus_dma_tag_destroy(rd->rx_ring_dma_tag);
2004 rd->rx_ring_dma_tag = NULL;
2008 error = bus_dmamap_load(rd->rx_ring_dma_tag, rd->rx_ring_dmamap,
2009 rd->rx_ring, ACX_RX_RING_SIZE,
2010 acx_ring_dma_addr, &rd->rx_ring_paddr,
2013 if_printf(&sc->sc_ic.ic_if, "can't get rx ring dma address\n");
2014 bus_dmamem_free(rd->rx_ring_dma_tag, rd->rx_ring,
2015 rd->rx_ring_dmamap);
2016 bus_dma_tag_destroy(rd->rx_ring_dma_tag);
2017 rd->rx_ring_dma_tag = NULL;
2021 /* Allocate DMA stuffs for TX descriptors */
2022 error = bus_dma_tag_create(NULL, PAGE_SIZE, 0,
2023 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR,
2025 ACX_TX_RING_SIZE, 1, ACX_TX_RING_SIZE,
2026 0, &rd->tx_ring_dma_tag);
2028 if_printf(&sc->sc_ic.ic_if, "can't create tx ring dma tag\n");
2032 error = bus_dmamem_alloc(rd->tx_ring_dma_tag, (void **)&rd->tx_ring,
2033 BUS_DMA_WAITOK | BUS_DMA_ZERO,
2034 &rd->tx_ring_dmamap);
2036 if_printf(&sc->sc_ic.ic_if,
2037 "can't allocate tx ring dma memory\n");
2038 bus_dma_tag_destroy(rd->tx_ring_dma_tag);
2039 rd->tx_ring_dma_tag = NULL;
2043 error = bus_dmamap_load(rd->tx_ring_dma_tag, rd->tx_ring_dmamap,
2044 rd->tx_ring, ACX_TX_RING_SIZE,
2045 acx_ring_dma_addr, &rd->tx_ring_paddr,
2048 if_printf(&sc->sc_ic.ic_if, "can't get tx ring dma address\n");
2049 bus_dmamem_free(rd->tx_ring_dma_tag, rd->tx_ring,
2050 rd->tx_ring_dmamap);
2051 bus_dma_tag_destroy(rd->tx_ring_dma_tag);
2052 rd->tx_ring_dma_tag = NULL;
2056 /* Create DMA tag for RX/TX mbuf map */
2057 error = bus_dma_tag_create(NULL, 1, 0,
2058 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR,
2060 MCLBYTES, 1, MCLBYTES,
2061 0, &bd->mbuf_dma_tag);
2063 if_printf(&sc->sc_ic.ic_if, "can't create mbuf dma tag\n");
2067 /* Create a spare RX DMA map */
2068 error = bus_dmamap_create(bd->mbuf_dma_tag, 0, &bd->mbuf_tmp_dmamap);
2070 if_printf(&sc->sc_ic.ic_if, "can't create tmp mbuf dma map\n");
2071 bus_dma_tag_destroy(bd->mbuf_dma_tag);
2072 bd->mbuf_dma_tag = NULL;
2076 /* Create DMA map for RX mbufs */
2077 for (i = 0; i < ACX_RX_DESC_CNT; ++i) {
2078 error = bus_dmamap_create(bd->mbuf_dma_tag, 0,
2079 &bd->rx_buf[i].rb_mbuf_dmamap);
2081 if_printf(&sc->sc_ic.ic_if, "can't create rx mbuf "
2082 "dma map (%d)\n", i);
2085 bd->rx_buf[i].rb_desc = &rd->rx_ring[i];
2088 /* Create DMA map for TX mbufs */
2089 for (i = 0; i < ACX_TX_DESC_CNT; ++i) {
2090 error = bus_dmamap_create(bd->mbuf_dma_tag, 0,
2091 &bd->tx_buf[i].tb_mbuf_dmamap);
2093 if_printf(&sc->sc_ic.ic_if, "can't create tx mbuf "
2094 "dma map (%d)\n", i);
2097 bd->tx_buf[i].tb_desc1 = &rd->tx_ring[i * 2];
2098 bd->tx_buf[i].tb_desc2 = &rd->tx_ring[(i * 2) + 1];
2105 acx_dma_free(struct acx_softc *sc)
2107 struct acx_ring_data *rd = &sc->sc_ring_data;
2108 struct acx_buf_data *bd = &sc->sc_buf_data;
2111 if (rd->rx_ring_dma_tag != NULL) {
2112 bus_dmamap_unload(rd->rx_ring_dma_tag, rd->rx_ring_dmamap);
2113 bus_dmamem_free(rd->rx_ring_dma_tag, rd->rx_ring,
2114 rd->rx_ring_dmamap);
2115 bus_dma_tag_destroy(rd->rx_ring_dma_tag);
2118 if (rd->tx_ring_dma_tag != NULL) {
2119 bus_dmamap_unload(rd->tx_ring_dma_tag, rd->tx_ring_dmamap);
2120 bus_dmamem_free(rd->tx_ring_dma_tag, rd->tx_ring,
2121 rd->tx_ring_dmamap);
2122 bus_dma_tag_destroy(rd->tx_ring_dma_tag);
2125 for (i = 0; i < ACX_RX_DESC_CNT; ++i) {
2126 if (bd->rx_buf[i].rb_desc != NULL) {
2127 if (bd->rx_buf[i].rb_mbuf != NULL) {
2128 bus_dmamap_unload(bd->mbuf_dma_tag,
2129 bd->rx_buf[i].rb_mbuf_dmamap);
2130 m_freem(bd->rx_buf[i].rb_mbuf);
2132 bus_dmamap_destroy(bd->mbuf_dma_tag,
2133 bd->rx_buf[i].rb_mbuf_dmamap);
2137 for (i = 0; i < ACX_TX_DESC_CNT; ++i) {
2138 if (bd->tx_buf[i].tb_desc1 != NULL) {
2139 if (bd->tx_buf[i].tb_mbuf != NULL) {
2140 bus_dmamap_unload(bd->mbuf_dma_tag,
2141 bd->tx_buf[i].tb_mbuf_dmamap);
2142 m_freem(bd->tx_buf[i].tb_mbuf);
2144 bus_dmamap_destroy(bd->mbuf_dma_tag,
2145 bd->tx_buf[i].tb_mbuf_dmamap);
2149 if (bd->mbuf_dma_tag != NULL) {
2150 bus_dmamap_destroy(bd->mbuf_dma_tag, bd->mbuf_tmp_dmamap);
2151 bus_dma_tag_destroy(bd->mbuf_dma_tag);
2156 acx_init_tx_ring(struct acx_softc *sc)
2158 struct acx_ring_data *rd;
2159 struct acx_buf_data *bd;
2163 rd = &sc->sc_ring_data;
2164 paddr = rd->tx_ring_paddr;
2165 for (i = 0; i < (ACX_TX_DESC_CNT * 2) - 1; ++i) {
2166 paddr += sizeof(struct acx_host_desc);
2168 rd->tx_ring[i].h_ctrl = htole16(DESC_CTRL_HOSTOWN);
2170 if (i == (ACX_TX_DESC_CNT * 2) - 1)
2171 rd->tx_ring[i].h_next_desc = htole32(rd->tx_ring_paddr);
2173 rd->tx_ring[i].h_next_desc = htole32(paddr);
2176 bus_dmamap_sync(rd->tx_ring_dma_tag, rd->tx_ring_dmamap,
2177 BUS_DMASYNC_PREWRITE);
2179 bd = &sc->sc_buf_data;
2180 bd->tx_free_start = 0;
2181 bd->tx_used_start = 0;
2182 bd->tx_used_count = 0;
2188 acx_init_rx_ring(struct acx_softc *sc)
2190 struct acx_ring_data *rd;
2191 struct acx_buf_data *bd;
2195 bd = &sc->sc_buf_data;
2196 rd = &sc->sc_ring_data;
2197 paddr = rd->rx_ring_paddr;
2199 for (i = 0; i < ACX_RX_DESC_CNT; ++i) {
2202 paddr += sizeof(struct acx_host_desc);
2204 error = acx_newbuf(sc, &bd->rx_buf[i], 1);
2208 if (i == ACX_RX_DESC_CNT - 1)
2209 rd->rx_ring[i].h_next_desc = htole32(rd->rx_ring_paddr);
2211 rd->rx_ring[i].h_next_desc = htole32(paddr);
2214 bus_dmamap_sync(rd->rx_ring_dma_tag, rd->rx_ring_dmamap,
2215 BUS_DMASYNC_PREWRITE);
2217 bd->rx_scan_start = 0;
2222 acx_buf_dma_addr(void *arg, bus_dma_segment_t *seg, int nseg,
2223 bus_size_t mapsz, int error)
2229 KASSERT(nseg == 1, ("too many RX dma segments\n"));
2230 *((uint32_t *)arg) = seg->ds_addr;
2234 acx_newbuf(struct acx_softc *sc, struct acx_rxbuf *rb, int wait)
2236 struct acx_buf_data *bd;
2242 bd = &sc->sc_buf_data;
2244 m = m_getcl(wait ? MB_WAIT : MB_DONTWAIT, MT_DATA, M_PKTHDR);
2248 m->m_len = m->m_pkthdr.len = MCLBYTES;
2250 error = bus_dmamap_load_mbuf(bd->mbuf_dma_tag, bd->mbuf_tmp_dmamap,
2251 m, acx_buf_dma_addr, &paddr,
2252 wait ? BUS_DMA_WAITOK : BUS_DMA_NOWAIT);
2255 if_printf(&sc->sc_ic.ic_if, "can't map rx mbuf %d\n", error);
2259 /* Unload originally mapped mbuf */
2260 bus_dmamap_unload(bd->mbuf_dma_tag, rb->rb_mbuf_dmamap);
2262 /* Swap this dmamap with tmp dmamap */
2263 map = rb->rb_mbuf_dmamap;
2264 rb->rb_mbuf_dmamap = bd->mbuf_tmp_dmamap;
2265 bd->mbuf_tmp_dmamap = map;
2268 rb->rb_desc->h_data_paddr = htole32(paddr);
2269 rb->rb_desc->h_data_len = htole16(m->m_len);
2271 bus_dmamap_sync(bd->mbuf_dma_tag, rb->rb_mbuf_dmamap,
2272 BUS_DMASYNC_PREREAD);
2277 acx_encap(struct acx_softc *sc, struct acx_txbuf *txbuf, struct mbuf *m,
2278 struct ieee80211_node *ni)
2280 struct acx_buf_data *bd = &sc->sc_buf_data;
2281 struct acx_ring_data *rd = &sc->sc_ring_data;
2286 KASSERT(txbuf->tb_mbuf == NULL, ("free TX buf has mbuf installed\n"));
2289 if (m->m_pkthdr.len > MCLBYTES) {
2290 if_printf(&sc->sc_ic.ic_if, "mbuf too big\n");
2293 } else if (m->m_pkthdr.len < ACX_FRAME_HDRLEN) {
2294 if_printf(&sc->sc_ic.ic_if, "mbuf too small\n");
2299 error = bus_dmamap_load_mbuf(bd->mbuf_dma_tag, txbuf->tb_mbuf_dmamap,
2300 m, acx_buf_dma_addr, &paddr,
2302 if (error && error != EFBIG) {
2303 if_printf(&sc->sc_ic.ic_if, "can't map tx mbuf1 %d\n", error);
2307 if (error) { /* error == EFBIG */
2310 m_new = m_defrag(m, MB_DONTWAIT);
2311 if (m_new == NULL) {
2312 if_printf(&sc->sc_ic.ic_if, "can't defrag tx mbuf\n");
2319 error = bus_dmamap_load_mbuf(bd->mbuf_dma_tag,
2320 txbuf->tb_mbuf_dmamap, m,
2321 acx_buf_dma_addr, &paddr,
2324 if_printf(&sc->sc_ic.ic_if, "can't map tx mbuf2 %d\n",
2332 bus_dmamap_sync(bd->mbuf_dma_tag, txbuf->tb_mbuf_dmamap,
2333 BUS_DMASYNC_PREWRITE);
2336 txbuf->tb_node = ni;
2339 * TX buffers are accessed in following way:
2340 * acx_fw_txdesc -> acx_host_desc -> buffer
2342 * It is quite strange that acx also querys acx_host_desc next to
2343 * the one we have assigned to acx_fw_txdesc even if first one's
2344 * acx_host_desc.h_data_len == acx_fw_txdesc.f_tx_len
2346 * So we allocate two acx_host_desc for one acx_fw_txdesc and
2347 * assign the first acx_host_desc to acx_fw_txdesc
2350 * host_desc1.h_data_len = buffer_len
2351 * host_desc2.h_data_len = buffer_len - mac_header_len
2354 * host_desc1.h_data_len = mac_header_len
2355 * host_desc2.h_data_len = buffer_len - mac_header_len
2358 txbuf->tb_desc1->h_data_paddr = htole32(paddr);
2359 txbuf->tb_desc2->h_data_paddr = htole32(paddr + ACX_FRAME_HDRLEN);
2361 txbuf->tb_desc1->h_data_len =
2362 htole16(sc->chip_txdesc1_len ? sc->chip_txdesc1_len
2364 txbuf->tb_desc2->h_data_len =
2365 htole16(m->m_pkthdr.len - ACX_FRAME_HDRLEN);
2369 * We can't simply assign f_tx_ctrl, we will first read it back
2370 * and change it bit by bit
2372 ctrl = FW_TXDESC_GETFIELD_1(sc, txbuf, f_tx_ctrl);
2373 ctrl |= sc->chip_fw_txdesc_ctrl; /* extra chip specific flags */
2374 ctrl &= ~(DESC_CTRL_HOSTOWN | DESC_CTRL_ACXDONE);
2376 FW_TXDESC_SETFIELD_4(sc, txbuf, f_tx_len, m->m_pkthdr.len);
2377 FW_TXDESC_SETFIELD_1(sc, txbuf, f_tx_error, 0);
2378 FW_TXDESC_SETFIELD_1(sc, txbuf, f_tx_data_nretry, 0);
2379 FW_TXDESC_SETFIELD_1(sc, txbuf, f_tx_rts_nretry, 0);
2380 FW_TXDESC_SETFIELD_1(sc, txbuf, f_tx_rts_ok, 0);
2381 sc->chip_set_fw_txdesc_rate(sc, txbuf, ni, m->m_pkthdr.len);
2383 txbuf->tb_desc1->h_ctrl = 0;
2384 txbuf->tb_desc2->h_ctrl = 0;
2385 bus_dmamap_sync(rd->tx_ring_dma_tag, rd->tx_ring_dmamap,
2386 BUS_DMASYNC_PREWRITE);
2388 FW_TXDESC_SETFIELD_1(sc, txbuf, f_tx_ctrl2, 0);
2389 FW_TXDESC_SETFIELD_1(sc, txbuf, f_tx_ctrl, ctrl);
2391 /* Tell chip to inform us about TX completion */
2392 CSR_WRITE_2(sc, ACXREG_INTR_TRIG, ACXRV_TRIG_TX_FINI);
2400 acx_set_null_tmplt(struct acx_softc *sc)
2402 struct acx_tmplt_null_data n;
2403 struct ieee80211_frame *f;
2405 bzero(&n, sizeof(n));
2408 f->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_DATA |
2409 IEEE80211_FC0_SUBTYPE_NODATA;
2410 IEEE80211_ADDR_COPY(f->i_addr1, etherbroadcastaddr);
2411 IEEE80211_ADDR_COPY(f->i_addr2, IF_LLADDR(&sc->sc_ic.ic_if));
2412 IEEE80211_ADDR_COPY(f->i_addr3, etherbroadcastaddr);
2414 return _acx_set_null_data_tmplt(sc, &n, sizeof(n));
2418 acx_set_probe_req_tmplt(struct acx_softc *sc, const char *ssid, int ssid_len)
2420 struct acx_tmplt_probe_req req;
2421 struct ieee80211_frame *f;
2425 bzero(&req, sizeof(req));
2427 f = &req.data.u_data.f;
2428 f->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT |
2429 IEEE80211_FC0_SUBTYPE_PROBE_REQ;
2430 IEEE80211_ADDR_COPY(f->i_addr1, etherbroadcastaddr);
2431 IEEE80211_ADDR_COPY(f->i_addr2, IF_LLADDR(&sc->sc_ic.ic_if));
2432 IEEE80211_ADDR_COPY(f->i_addr3, etherbroadcastaddr);
2434 v = req.data.u_data.var;
2435 v = ieee80211_add_ssid(v, ssid, ssid_len);
2436 v = ieee80211_add_rates(v, &sc->sc_ic.ic_sup_rates[sc->chip_phymode]);
2437 v = ieee80211_add_xrates(v, &sc->sc_ic.ic_sup_rates[sc->chip_phymode]);
2438 vlen = v - req.data.u_data.var;
2440 return _acx_set_probe_req_tmplt(sc, &req,
2441 ACX_TMPLT_PROBE_REQ_SIZ(vlen));
2445 acx_set_probe_resp_tmplt(struct acx_softc *sc, struct ieee80211_node *ni)
2447 struct ieee80211com *ic = &sc->sc_ic;
2448 struct acx_tmplt_probe_resp resp;
2449 struct ieee80211_frame *f;
2453 m = ieee80211_probe_resp_alloc(ic, ni);
2456 DPRINTF((&ic->ic_if, "%s alloc probe resp size %d\n", __func__,
2459 f = mtod(m, struct ieee80211_frame *);
2460 IEEE80211_ADDR_COPY(f->i_addr1, etherbroadcastaddr);
2462 bzero(&resp, sizeof(resp));
2463 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t)&resp.data);
2464 len = m->m_pkthdr.len + sizeof(resp.size);
2467 return _acx_set_probe_resp_tmplt(sc, &resp, len);
2471 acx_set_beacon_tmplt(struct acx_softc *sc, struct ieee80211_node *ni)
2473 struct ieee80211com *ic = &sc->sc_ic;
2474 struct acx_tmplt_beacon beacon;
2475 struct ieee80211_beacon_offsets bo;
2479 bzero(&bo, sizeof(bo));
2480 m = ieee80211_beacon_alloc(ic, ni, &bo);
2483 DPRINTF((&ic->ic_if, "%s alloc beacon size %d\n", __func__,
2486 bzero(&beacon, sizeof(beacon));
2487 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t)&beacon.data);
2488 len = m->m_pkthdr.len + sizeof(beacon.size);
2491 return _acx_set_beacon_tmplt(sc, &beacon, len);
2495 acx_sysctl_msdu_lifetime(SYSCTL_HANDLER_ARGS)
2497 struct acx_softc *sc = arg1;
2498 struct ifnet *ifp = &sc->sc_ic.ic_if;
2501 lwkt_serialize_enter(ifp->if_serializer);
2503 v = sc->sc_msdu_lifetime;
2504 error = sysctl_handle_int(oidp, &v, 0, req);
2505 if (error || req->newptr == NULL)
2512 if (sc->sc_flags & ACX_FLAG_FW_LOADED) {
2513 struct acx_conf_msdu_lifetime msdu_lifetime;
2515 msdu_lifetime.lifetime = htole32(v);
2516 if (acx_set_msdu_lifetime_conf(sc, &msdu_lifetime) != 0) {
2517 if_printf(&sc->sc_ic.ic_if,
2518 "can't set MSDU lifetime\n");
2523 sc->sc_msdu_lifetime = v;
2525 lwkt_serialize_exit(ifp->if_serializer);
2530 acx_media_change(struct ifnet *ifp)
2534 error = ieee80211_media_change(ifp);
2535 if (error != ENETRESET)
2538 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING))
2539 acx_init(ifp->if_softc);