wireless
Andrew Thompson
thompsa at FreeBSD.org
Mon Jul 23 11:48:35 UTC 2007
On Mon, Jul 23, 2007 at 12:36:58PM +0200, Nicolai Petri (lists) wrote:
> Nicolai Petri (lists) wrote:
> >
> >>>In short, ipw doesn't seem to work at all for me anymore. It worked
> >>>okay in 6-stable with an occasional hiccup, but upon upgrading to
> >>>current it doesn't seem to be doing anything.
> >>>Sometimes "ifconfig scan" does nothing, sometimes it results in a panic.
> >>
> >>I'm not sure how well ipw got tested while the changes were in p4.
> >>We'll need to test again now that code has been merged to CVS. I'll try
> >>to look at this weekend if noone else beats me to it.
> >>
> >> Sam
> >
> ><rant-about-ipw-giving-instant-panic-removed/>
> >I'm running -current from following time : Thu Jun 20
> >
> >Best regards,
> >Nicolai Petri
> >
> Are there any news on this matter ? We are now 1 month closer to beta
> and ipw is still useless. I'm willing to test if anyone have patches but
> I don't have time to look at code myself.
You can test this WIP.
cheers,
Andrew
-------------- next part --------------
Index: if_ipw.c
===================================================================
RCS file: /home/ncvs/src/sys/dev/ipw/if_ipw.c,v
retrieving revision 1.29
diff -u -p -r1.29 if_ipw.c
--- if_ipw.c 5 Jul 2007 15:06:49 -0000 1.29
+++ if_ipw.c 13 Jul 2007 12:42:38 -0000
@@ -1,8 +1,7 @@
-/* $FreeBSD: src/sys/dev/ipw/if_ipw.c,v 1.29 2007/07/05 15:06:49 avatar Exp $ */
-
/*-
* Copyright (c) 2004-2006
* Damien Bergamini <damien.bergamini at free.fr>. All rights reserved.
+ * Copyright (c) 2006 Sam Leffler, Errno Consulting
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -78,10 +77,11 @@ __FBSDID("$FreeBSD: src/sys/dev/ipw/if_i
#include <dev/ipw/if_ipwreg.h>
#include <dev/ipw/if_ipwvar.h>
+#define IPW_DEBUG
#ifdef IPW_DEBUG
#define DPRINTF(x) do { if (ipw_debug > 0) printf x; } while (0)
#define DPRINTFN(n, x) do { if (ipw_debug >= (n)) printf x; } while (0)
-int ipw_debug = 0;
+int ipw_debug = 40;
SYSCTL_INT(_debug, OID_AUTO, ipw, CTLFLAG_RW, &ipw_debug, 0, "ipw debug level");
#else
#define DPRINTF(x)
@@ -109,40 +109,66 @@ static void ipw_release(struct ipw_softc
static int ipw_media_change(struct ifnet *);
static void ipw_media_status(struct ifnet *, struct ifmediareq *);
static int ipw_newstate(struct ieee80211com *, enum ieee80211_state, int);
-static uint16_t ipw_read_prom_word(struct ipw_softc *, uint8_t);
-static void ipw_command_intr(struct ipw_softc *, struct ipw_soft_buf *);
-static void ipw_newstate_intr(struct ipw_softc *, struct ipw_soft_buf *);
-static void ipw_data_intr(struct ipw_softc *, struct ipw_status *,
+static void ipw_rx_cmd_intr(struct ipw_softc *, struct ipw_soft_buf *);
+static void ipw_rx_newstate_intr(struct ipw_softc *, struct ipw_soft_buf *);
+static void ipw_rx_data_intr(struct ipw_softc *, struct ipw_status *,
struct ipw_soft_bd *, struct ipw_soft_buf *);
static void ipw_rx_intr(struct ipw_softc *);
static void ipw_release_sbd(struct ipw_softc *, struct ipw_soft_bd *);
static void ipw_tx_intr(struct ipw_softc *);
+static const char *ipw_cmdname(int);
static void ipw_intr(void *);
static void ipw_dma_map_addr(void *, bus_dma_segment_t *, int, int);
-static int ipw_cmd(struct ipw_softc *, uint32_t, void *, uint32_t);
+static int ipw_cmd(struct ipw_softc *, uint32_t, const void *, uint32_t);
static int ipw_tx_start(struct ifnet *, struct mbuf *,
struct ieee80211_node *);
+static void ipw_start_locked(struct ifnet *);
static void ipw_start(struct ifnet *);
-static void ipw_watchdog(struct ifnet *);
+static void ipw_watchdog(void *);
static int ipw_ioctl(struct ifnet *, u_long, caddr_t);
static void ipw_stop_master(struct ipw_softc *);
static int ipw_reset(struct ipw_softc *);
-static int ipw_load_ucode(struct ipw_softc *, const char *, int);
-static int ipw_load_firmware(struct ipw_softc *, const char *, int);
+static int ipw_enable(struct ipw_softc *);
+static int ipw_disable(struct ipw_softc *);
static int ipw_config(struct ipw_softc *);
-static void ipw_init_task(void *, int);
+static void ipw_restart(void *, int);
+static int ipw_scan(struct ipw_softc *);
+static void ipw_assoc_lost(void *, int);
+static void ipw_assoc(struct ieee80211com *);
+static void ipw_disassoc(struct ieee80211com *);
+static int ipw_auth_and_assoc(struct ipw_softc *);
+static int ipw_disassociate(struct ipw_softc *);
+static void ipw_ops(void *, int);
static void ipw_init(void *);
+static void ipw_init_locked(struct ipw_softc *, int);
+static void ipw_stop_locked(struct ipw_softc *);
static void ipw_stop(void *);
static int ipw_sysctl_stats(SYSCTL_HANDLER_ARGS);
+static int ipw_getrfkill(struct ipw_softc *);
+static void ipw_radio_on(void *, int);
+static void ipw_radio_off(void *, int);
static int ipw_sysctl_radio(SYSCTL_HANDLER_ARGS);
+static int ipw_get_firmware(struct ipw_softc *);
+static void ipw_put_firmware(struct ipw_softc *);
+static int ipw_load_ucode(struct ipw_softc *, const struct ipw_fw *);
+static int ipw_load_firmware(struct ipw_softc *, const struct ipw_fw *);
static uint32_t ipw_read_table1(struct ipw_softc *, uint32_t);
static void ipw_write_table1(struct ipw_softc *, uint32_t, uint32_t);
+#if 0
static int ipw_read_table2(struct ipw_softc *, uint32_t, void *,
uint32_t *);
static void ipw_read_mem_1(struct ipw_softc *, bus_size_t, uint8_t *,
bus_size_t);
+#endif
static void ipw_write_mem_1(struct ipw_softc *, bus_size_t,
const uint8_t *, bus_size_t);
+static uint16_t ipw_read_prom_word(struct ipw_softc *, uint8_t);
+static void ipw_sysctlattach(struct ipw_softc *);
+static void ipw_scan_start(struct ieee80211com *);
+static void ipw_scan_end(struct ieee80211com *);
+static void ipw_set_channel(struct ieee80211com *);
+static void ipw_scan_curchan(struct ieee80211com *, unsigned long maxdwell);
+static void ipw_scan_mindwell(struct ieee80211com *);
static int ipw_probe(device_t);
static int ipw_attach(device_t);
@@ -172,6 +198,7 @@ static driver_t ipw_driver = {
static devclass_t ipw_devclass;
DRIVER_MODULE(ipw, pci, ipw_driver, ipw_devclass, 0, 0);
+DRIVER_MODULE(ipw, cardbus, ipw_driver, ipw_devclass, 0, 0);
static int
ipw_probe(device_t dev)
@@ -205,8 +232,25 @@ ipw_attach(device_t dev)
mtx_init(&sc->sc_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK,
MTX_DEF | MTX_RECURSE);
+ IPW_CMD_LOCK_INIT(sc);
- TASK_INIT(&sc->sc_init_task, 0, ipw_init_task, sc);
+#if __FreeBSD_version >= 700000
+ sc->sc_tq = taskqueue_create("ipw_taskq", M_NOWAIT,
+ taskqueue_thread_enqueue, &sc->sc_tq);
+ taskqueue_start_threads(&sc->sc_tq, 1, PI_NET, "%s taskq",
+ device_get_nameunit(dev));
+#else
+ sc->sc_tq = taskqueue_create("ipw_taskq", M_NOWAIT,
+ taskqueue_thread_enqueue, &sc->sc_tq, &sc->sc_tqproc);
+ taskqueue_start_threads(&sc->sc_tq, 1, PI_NET, "%s taskq",
+ device_get_nameunit(dev));
+#endif
+ TASK_INIT(&sc->sc_radiontask, 0, ipw_radio_on, sc);
+ TASK_INIT(&sc->sc_radiofftask, 0, ipw_radio_off, sc);
+ TASK_INIT(&sc->sc_assoclosttask,0, ipw_assoc_lost, sc);
+ TASK_INIT(&sc->sc_restarttask, 0, ipw_restart, sc);
+ TASK_INIT(&sc->sc_opstask, 0, ipw_ops, sc);
+ callout_init_mtx(&sc->sc_wdtimer, &sc->sc_mtx, 0);
if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) {
device_printf(dev, "chip is in D%d power mode "
@@ -260,7 +304,6 @@ ipw_attach(device_t dev)
ifp->if_init = ipw_init;
ifp->if_ioctl = ipw_ioctl;
ifp->if_start = ipw_start;
- ifp->if_watchdog = ipw_watchdog;
IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
IFQ_SET_READY(&ifp->if_snd);
@@ -271,11 +314,12 @@ ipw_attach(device_t dev)
ic->ic_state = IEEE80211_S_INIT;
/* set device capabilities */
- ic->ic_caps =
- IEEE80211_C_IBSS | /* IBSS mode supported */
- IEEE80211_C_MONITOR | /* monitor mode supported */
- IEEE80211_C_TXPMGT | /* tx power management */
- IEEE80211_C_SHPREAMBLE; /* short preamble supported */
+ ic->ic_caps = IEEE80211_C_IBSS /* IBSS mode supported */
+ | IEEE80211_C_MONITOR /* monitor mode supported */
+ | IEEE80211_C_PMGT /* power save supported */
+ | IEEE80211_C_SHPREAMBLE /* short preamble supported */
+ | IEEE80211_C_WPA /* 802.11i supported */
+ ;
/* read MAC address from EEPROM */
val = ipw_read_prom_word(sc, IPW_EEPROM_MAC + 0);
@@ -291,6 +335,7 @@ ipw_attach(device_t dev)
/* set supported .11b channels (read from EEPROM) */
if ((val = ipw_read_prom_word(sc, IPW_EEPROM_CHANNEL_LIST)) == 0)
val = 0x7ff; /* default to channels 1-11 */
+ sc->chanmask = val;
val <<= 1;
for (i = 1; i < 16; i++) {
if (val & (1 << i)) {
@@ -300,10 +345,11 @@ ipw_attach(device_t dev)
c->ic_ieee = i;
}
}
+ DPRINTF(("%s: added %d channels\n", __func__, ic->ic_nchans));
/* check support for radio transmitter switch in EEPROM */
if (!(ipw_read_prom_word(sc, IPW_EEPROM_RADIO) & 8))
- sc->flags |= IPW_FLAG_HAS_RADIO_SWITCH;
+ sc->flags |= IPW_FLAG_HAS_RFSWITCH;
ieee80211_ifattach(ic);
/* override state transition machine */
@@ -311,8 +357,14 @@ ipw_attach(device_t dev)
ic->ic_newstate = ipw_newstate;
ieee80211_media_init(ic, ipw_media_change, ipw_media_status);
+ ic->ic_scan_start = ipw_scan_start;
+ ic->ic_scan_end = ipw_scan_end;
+ ic->ic_set_channel = ipw_set_channel;
+ ic->ic_scan_curchan = ipw_scan_curchan;
+ ic->ic_scan_mindwell = ipw_scan_mindwell;
+
bpfattach2(ifp, DLT_IEEE802_11_RADIO,
- sizeof (struct ieee80211_frame) + sizeof (sc->sc_txtap),
+ sizeof (struct ieee80211_frame) + sizeof (sc->sc_txtap),
&sc->sc_drvbpf);
sc->sc_rxtap_len = sizeof sc->sc_rxtap;
@@ -323,25 +375,7 @@ ipw_attach(device_t dev)
sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len);
sc->sc_txtap.wt_ihdr.it_present = htole32(IPW_TX_RADIOTAP_PRESENT);
- /*
- * Add a few sysctl knobs.
- */
- sc->dwelltime = 100;
-
- SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
- SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "radio",
- CTLTYPE_INT | CTLFLAG_RD, sc, 0, ipw_sysctl_radio, "I",
- "radio transmitter switch state (0=off, 1=on)");
-
- SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
- SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "stats",
- CTLTYPE_OPAQUE | CTLFLAG_RD, sc, 0, ipw_sysctl_stats, "S",
- "statistics");
-
- SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
- SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "dwell",
- CTLFLAG_RW, &sc->dwelltime, 0,
- "channel dwell time (ms) for AP/station scanning");
+ ipw_sysctlattach(sc);
/*
* Hook our interrupt after all initialization is complete.
@@ -370,6 +404,8 @@ ipw_detach(device_t dev)
struct ifnet *ifp = ic->ic_ifp;
ipw_stop(sc);
+ callout_drain(&sc->sc_wdtimer);
+ ipw_put_firmware(sc);
if (ifp != NULL) {
bpfdetach(ifp);
@@ -389,12 +425,10 @@ ipw_detach(device_t dev)
if (ifp != NULL)
if_free(ifp);
- if (sc->sc_firmware != NULL) {
- firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD);
- sc->sc_firmware = NULL;
- }
+ taskqueue_free(sc->sc_tq);
mtx_destroy(&sc->sc_mtx);
+ IPW_CMD_LOCK_DESTROY(sc);
return 0;
}
@@ -692,6 +726,7 @@ ipw_shutdown(device_t dev)
struct ipw_softc *sc = device_get_softc(dev);
ipw_stop(sc);
+ ipw_put_firmware(sc); /* ??? XXX */
return 0;
}
@@ -711,18 +746,19 @@ ipw_resume(device_t dev)
{
struct ipw_softc *sc = device_get_softc(dev);
struct ifnet *ifp = sc->sc_ic.ic_ifp;
+ IPW_LOCK_DECL;
- mtx_lock(&sc->sc_mtx);
+ IPW_LOCK(sc);
pci_write_config(dev, 0x41, 0, 1);
if (ifp->if_flags & IFF_UP) {
- ifp->if_init(ifp->if_softc);
+ ipw_init_locked(sc, 0);
if (ifp->if_drv_flags & IFF_DRV_RUNNING)
- ifp->if_start(ifp);
+ ipw_start_locked(ifp);
}
- mtx_unlock(&sc->sc_mtx);
+ IPW_UNLOCK(sc);
return 0;
}
@@ -732,20 +768,30 @@ ipw_media_change(struct ifnet *ifp)
{
struct ipw_softc *sc = ifp->if_softc;
int error;
+ IPW_LOCK_DECL;
- mtx_lock(&sc->sc_mtx);
-
+ IPW_LOCK(sc);
error = ieee80211_media_change(ifp);
- if (error != ENETRESET) {
- mtx_unlock(&sc->sc_mtx);
- return error;
+ if (error == ENETRESET) {
+ if ((ifp->if_flags & IFF_UP) &&
+ (ifp->if_drv_flags & IFF_DRV_RUNNING))
+ ipw_init_locked(sc, 0);
+ error = 0;
}
+ IPW_UNLOCK(sc);
- if ((ifp->if_flags & IFF_UP) && (ifp->if_drv_flags & IFF_DRV_RUNNING))
- ipw_init(sc);
-
- mtx_unlock(&sc->sc_mtx);
+ return error;
+}
+static int
+ipw_cvtrate(int ipwrate)
+{
+ switch (ipwrate) {
+ case IPW_RATE_DS1: return 2;
+ case IPW_RATE_DS2: return 4;
+ case IPW_RATE_DS5: return 11;
+ case IPW_RATE_DS11: return 22;
+ }
return 0;
}
@@ -756,20 +802,9 @@ ipw_media_change(struct ifnet *ifp)
static void
ipw_media_status(struct ifnet *ifp, struct ifmediareq *imr)
{
-#define N(a) (sizeof (a) / sizeof (a[0]))
struct ipw_softc *sc = ifp->if_softc;
struct ieee80211com *ic = &sc->sc_ic;
- static const struct {
- uint32_t val;
- int rate;
- } rates[] = {
- { IPW_RATE_DS1, 2 },
- { IPW_RATE_DS2, 4 },
- { IPW_RATE_DS5, 11 },
- { IPW_RATE_DS11, 22 },
- };
- uint32_t val;
- int rate, i;
+ int rate;
imr->ifm_status = IFM_AVALID;
imr->ifm_active = IFM_IEEE80211;
@@ -777,33 +812,13 @@ ipw_media_status(struct ifnet *ifp, stru
imr->ifm_status |= IFM_ACTIVE;
/* read current transmission rate from adapter */
- val = ipw_read_table1(sc, IPW_INFO_CURRENT_TX_RATE) & 0xf;
-
- /* convert ipw rate to 802.11 rate */
- for (i = 0; i < N(rates) && rates[i].val != val; i++);
- rate = (i < N(rates)) ? rates[i].rate : 0;
-
- imr->ifm_active |= IFM_IEEE80211_11B;
+ rate = ipw_cvtrate(ipw_read_table1(sc, IPW_INFO_CURRENT_TX_RATE) & 0xf);
imr->ifm_active |= ieee80211_rate2media(ic, rate, IEEE80211_MODE_11B);
- switch (ic->ic_opmode) {
- case IEEE80211_M_STA:
- break;
- case IEEE80211_M_IBSS:
+ if (ic->ic_opmode == IEEE80211_M_IBSS)
imr->ifm_active |= IFM_IEEE80211_IBSS;
- break;
-
- case IEEE80211_M_MONITOR:
+ else if (ic->ic_opmode == IEEE80211_M_MONITOR)
imr->ifm_active |= IFM_IEEE80211_MONITOR;
- break;
-
- case IEEE80211_M_AHDEMO:
- case IEEE80211_M_HOSTAP:
- case IEEE80211_M_WDS:
- /* should not get there */
- break;
- }
-#undef N
}
static int
@@ -811,99 +826,55 @@ ipw_newstate(struct ieee80211com *ic, en
{
struct ifnet *ifp = ic->ic_ifp;
struct ipw_softc *sc = ifp->if_softc;
- uint8_t macaddr[IEEE80211_ADDR_LEN];
- uint32_t len;
- switch (nstate) {
- case IEEE80211_S_RUN:
- DELAY(200); /* firmware needs a short delay here */
-
- len = IEEE80211_ADDR_LEN;
- ipw_read_table2(sc, IPW_INFO_CURRENT_BSSID, macaddr, &len);
-
-#if 0
- ni = ieee80211_find_node(&ic->ic_scan, macaddr);
- if (ni == NULL)
- break;
+ DPRINTF(("%s: %s -> %s flags 0x%x\n", __func__,
+ ieee80211_state_name[ic->ic_state],
+ ieee80211_state_name[nstate], sc->flags));
- ieee80211_ref_node(ni);
- ieee80211_sta_join(ic, ni);
- ieee80211_node_authorize(ni);
+ switch (nstate) {
+ case IEEE80211_S_AUTH:
+ ipw_assoc(ic);
+ break;
- if (ic->ic_opmode == IEEE80211_M_STA)
- ieee80211_notify_node_join(ic, ni, 1);
-#endif
+ case IEEE80211_S_RUN:
+ if (ic->ic_opmode == IEEE80211_M_IBSS) {
+ /*
+ * XXX when joining an ibss network we are called
+ * with a SCAN -> RUN transition on scan complete.
+ * Use that to call ipw_auth_and_assoc. On completing
+ * the join we are then called again with an
+ * AUTH -> RUN transition and we want to do nothing.
+ * This is all totally bogus and needs to be redone.
+ */
+ if (ic->ic_state == IEEE80211_S_SCAN)
+ ipw_assoc(ic);
+ }
+ /* XXX way wrong */
+ return sc->sc_newstate(ic, nstate,
+ IEEE80211_FC0_SUBTYPE_ASSOC_RESP);
break;
- case IEEE80211_S_INIT:
- case IEEE80211_S_SCAN:
- case IEEE80211_S_AUTH:
case IEEE80211_S_ASSOC:
break;
- }
-
- ic->ic_state = nstate;
-
- return 0;
-}
-
-/*
- * Read 16 bits at address 'addr' from the serial EEPROM.
- */
-static uint16_t
-ipw_read_prom_word(struct ipw_softc *sc, uint8_t addr)
-{
- uint32_t tmp;
- uint16_t val;
- int n;
-
- /* clock C once before the first command */
- IPW_EEPROM_CTL(sc, 0);
- IPW_EEPROM_CTL(sc, IPW_EEPROM_S);
- IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C);
- IPW_EEPROM_CTL(sc, IPW_EEPROM_S);
-
- /* write start bit (1) */
- IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D);
- IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D | IPW_EEPROM_C);
-
- /* write READ opcode (10) */
- IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D);
- IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D | IPW_EEPROM_C);
- IPW_EEPROM_CTL(sc, IPW_EEPROM_S);
- IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C);
-
- /* write address A7-A0 */
- for (n = 7; n >= 0; n--) {
- IPW_EEPROM_CTL(sc, IPW_EEPROM_S |
- (((addr >> n) & 1) << IPW_EEPROM_SHIFT_D));
- IPW_EEPROM_CTL(sc, IPW_EEPROM_S |
- (((addr >> n) & 1) << IPW_EEPROM_SHIFT_D) | IPW_EEPROM_C);
- }
- IPW_EEPROM_CTL(sc, IPW_EEPROM_S);
+ case IEEE80211_S_INIT:
+ /*
+ * NB: don't try to do this if ipw_stop_master has
+ * shutdown the firmware and disabled interrupts.
+ */
+ if (ic->ic_state == IEEE80211_S_RUN &&
+ (sc->flags & IPW_FLAG_FW_INITED))
+ ipw_disassoc(ic);
+ break;
- /* read data Q15-Q0 */
- val = 0;
- for (n = 15; n >= 0; n--) {
- IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C);
- IPW_EEPROM_CTL(sc, IPW_EEPROM_S);
- tmp = MEM_READ_4(sc, IPW_MEM_EEPROM_CTL);
- val |= ((tmp & IPW_EEPROM_Q) >> IPW_EEPROM_SHIFT_Q) << n;
+ default:
+ break;
}
-
- IPW_EEPROM_CTL(sc, 0);
-
- /* clear Chip Select and clock C */
- IPW_EEPROM_CTL(sc, IPW_EEPROM_S);
- IPW_EEPROM_CTL(sc, 0);
- IPW_EEPROM_CTL(sc, IPW_EEPROM_C);
-
- return le16toh(val);
+ return sc->sc_newstate(ic, nstate, arg);
}
static void
-ipw_command_intr(struct ipw_softc *sc, struct ipw_soft_buf *sbuf)
+ipw_rx_cmd_intr(struct ipw_softc *sc, struct ipw_soft_buf *sbuf)
{
struct ipw_cmd *cmd;
@@ -911,16 +882,18 @@ ipw_command_intr(struct ipw_softc *sc, s
cmd = mtod(sbuf->m, struct ipw_cmd *);
- DPRINTFN(2, ("cmd ack'ed (%u, %u, %u, %u, %u)\n", le32toh(cmd->type),
- le32toh(cmd->subtype), le32toh(cmd->seq), le32toh(cmd->len),
- le32toh(cmd->status)));
+ DPRINTFN(9, ("%s(%s subtype %u seq %u len %u status %u)\n",
+ __func__, ipw_cmdname(le32toh(cmd->type)), le32toh(cmd->subtype),
+ le32toh(cmd->seq), le32toh(cmd->len), le32toh(cmd->status)));
- wakeup(sc);
+ sc->flags &= ~IPW_FLAG_BUSY;
+ wakeup_one(&sc->cmd);
}
static void
-ipw_newstate_intr(struct ipw_softc *sc, struct ipw_soft_buf *sbuf)
+ipw_rx_newstate_intr(struct ipw_softc *sc, struct ipw_soft_buf *sbuf)
{
+#define IEEESTATE(ic) ieee80211_state_name[ic->ic_state]
struct ieee80211com *ic = &sc->sc_ic;
uint32_t state;
@@ -928,44 +901,109 @@ ipw_newstate_intr(struct ipw_softc *sc,
state = le32toh(*mtod(sbuf->m, uint32_t *));
- DPRINTFN(2, ("entering state %u\n", state));
-
switch (state) {
+ case IPW_STATE_INITIALIZED:
+ case IPW_STATE_DISABLED:
+ break;
+
case IPW_STATE_ASSOCIATED:
- ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
+ DPRINTFN(2, ("Association succeeded (%s flags 0x%x)\n",
+ IEEESTATE(ic), sc->flags));
+ sc->flags |= IPW_FLAG_ASSOCIATED;
+ IPW_STATE_END(sc, IPW_FW_ASSOCIATING);
+ /* XXX suppress state change in case the fw auto-associates */
+ if (ic->ic_state != IEEE80211_S_ASSOC) {
+ DPRINTF(("Unexpected association (state %u)\n",
+ ic->ic_state));
+ } else
+ ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
break;
case IPW_STATE_SCANNING:
- /* don't leave run state on background scan */
- if (ic->ic_state != IEEE80211_S_RUN)
- ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
+ DPRINTFN(3, ("Scanning (%s flags 0x%x)\n",
+ IEEESTATE(ic), sc->flags));
+ /*
+ * NB: Check driver state for association on assoc
+ * loss as the firmware will immediately start to
+ * scan and we would treat it as a beacon miss if
+ * we checked the 802.11 layer state.
+ */
+ if (sc->flags & IPW_FLAG_ASSOCIATED)
+ ieee80211_beacon_miss(ic);
- ic->ic_flags |= IEEE80211_F_SCAN;
+ sc->sc_state_timer = 3; /* fw is still alive */
break;
case IPW_STATE_SCAN_COMPLETE:
- ieee80211_notify_scan_done(ic);
- ic->ic_flags &= ~IEEE80211_F_SCAN;
+ DPRINTFN(3, ("Scan complete (%s flags 0x%x)\n",
+ IEEESTATE(ic), sc->flags));
+ /*
+ * XXX For some reason scan requests generate scan
+ * started + scan done events before any traffic is
+ * received (e.g. probe response frames). We work
+ * around this by marking the HACK flag and skipping
+ * the first scan complete event. This works ok
+ * because the adapter scans only 2.4G channels so
+ * doing an extra pass doesn't take long.
+ if (sc->flags & IPW_FLAG_HACK) {
+ sc->flags &= ~IPW_FLAG_HACK;
+ break;
+ }
+ */
+
+ /* Only update the scan module if we were actaully scanning */
+ if (sc->fw_state == IPW_FW_SCANNING) {
+ sc->flags &= ~IPW_FLAG_SCANNING;
+ IPW_STATE_END(sc, IPW_FW_SCANNING);
+ ieee80211_scan_done(ic);
+ }
break;
case IPW_STATE_ASSOCIATION_LOST:
- ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
+ DPRINTFN(2, ("Association lost (%s flags 0x%x)\n",
+ IEEESTATE(ic), sc->flags));
+ sc->flags &= ~IPW_FLAG_ASSOCIATED;
+ taskqueue_enqueue(sc->sc_tq, &sc->sc_assoclosttask);
break;
- case IPW_STATE_RADIO_DISABLED:
- ic->ic_ifp->if_flags &= ~IFF_UP;
- ipw_stop(sc);
+ case IPW_STATE_RADIO_OFF:
+ DPRINTFN(2, ("Radio off (%s flags 0x%x)\n",
+ IEEESTATE(ic), sc->flags));
+ taskqueue_enqueue(sc->sc_tq, &sc->sc_radiofftask);
+ break;
+ default:
+ DPRINTFN(2, ("%s: state %u %s flags 0x%x\n",
+ __func__, state, IEEESTATE(ic), sc->flags));
break;
}
+#undef IEEESTATE
+}
+
+/*
+ * Set driver state for current channel.
+ */
+static void
+ipw_setcurchan(struct ipw_softc *sc, struct ieee80211_channel *chan)
+{
+ struct ieee80211com *ic = &sc->sc_ic;
+
+ ic->ic_curchan = chan;
+ sc->sc_rxtap.wr_chan_freq = sc->sc_txtap.wt_chan_freq =
+ htole16(ic->ic_curchan->ic_freq);
+ sc->sc_rxtap.wr_chan_flags = sc->sc_txtap.wt_chan_flags =
+ htole16(ic->ic_curchan->ic_flags);
}
/*
* XXX: Hack to set the current channel to the value advertised in beacons or
* probe responses. Only used during AP detection.
+ * XXX value comes from DSPARMS ie which is wrong for off-channel rx's
*/
static void
-ipw_fix_channel(struct ieee80211com *ic, struct mbuf *m)
+ipw_fix_channel(struct ipw_softc *sc, struct mbuf *m)
{
+ struct ieee80211com *ic = &sc->sc_ic;
+ struct ieee80211_channel *c;
struct ieee80211_frame *wh;
uint8_t subtype;
uint8_t *frm, *efrm;
@@ -986,20 +1024,25 @@ ipw_fix_channel(struct ieee80211com *ic,
frm += 12; /* skip tstamp, bintval and capinfo fields */
while (frm < efrm) {
- if (*frm == IEEE80211_ELEMID_DSPARMS)
+ if (*frm == IEEE80211_ELEMID_DSPARMS
#if IEEE80211_CHAN_MAX < 255
- if (frm[2] <= IEEE80211_CHAN_MAX)
+ && frm[2] <= IEEE80211_CHAN_MAX
#endif
- ic->ic_bsschan = ieee80211_find_channel(ic,
+ ) {
+ c = ieee80211_find_channel(ic,
ieee80211_ieee2mhz(frm[2], 0),
- IEEE80211_MODE_AUTO);
+ IEEE80211_CHAN_B);
+ if (c == NULL)
+ c = &ic->ic_channels[0];
+ ipw_setcurchan(sc, c);
+ }
frm += frm[1] + 2;
}
}
static void
-ipw_data_intr(struct ipw_softc *sc, struct ipw_status *status,
+ipw_rx_data_intr(struct ipw_softc *sc, struct ipw_status *status,
struct ipw_soft_bd *sbd, struct ipw_soft_buf *sbuf)
{
struct ieee80211com *ic = &sc->sc_ic;
@@ -1008,15 +1051,25 @@ ipw_data_intr(struct ipw_softc *sc, stru
struct ieee80211_frame *wh;
struct ieee80211_node *ni;
bus_addr_t physaddr;
- int error;
+ int error, framelen;
+ IPW_LOCK_DECL;
+
+ framelen = le32toh(status->len);
+ if (framelen < IEEE80211_MIN_LEN || framelen > MCLBYTES) {
+ /*
+ * XXX >MCLBYTES is bogus as it means the h/w dma'd
+ * out of bounds; need to figure out how to limit
+ * frame size in the firmware
+ */
+ /* XXX stat */
+ DPRINTF(("drop rx frame len=%u rssi=%u\n",
+ framelen, status->rssi));
+ return;
+ }
DPRINTFN(5, ("received frame len=%u, rssi=%u\n", le32toh(status->len),
status->rssi));
- if (le32toh(status->len) < sizeof (struct ieee80211_frame_min) ||
- le32toh(status->len) > MCLBYTES)
- return;
-
/*
* Try to allocate a new mbuf for this ring element and load it before
* processing the current mbuf. If the ring element cannot be loaded,
@@ -1062,22 +1115,21 @@ ipw_data_intr(struct ipw_softc *sc, stru
m->m_pkthdr.rcvif = ifp;
m->m_pkthdr.len = m->m_len = le32toh(status->len);
- if (bpf_peers_present(sc->sc_drvbpf)) {
+ /* XXX */
+ if (sc->flags & IPW_FLAG_SCANNING)
+ ipw_fix_channel(sc, m);
+
+ if (sc->sc_drvbpf != NULL) {
struct ipw_rx_radiotap_header *tap = &sc->sc_rxtap;
tap->wr_flags = 0;
- tap->wr_antsignal = status->rssi;
- tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq);
- tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags);
+ tap->wr_antsignal = status->rssi + IPW_RSSI_TO_DBM;
bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m);
}
- if (ic->ic_state == IEEE80211_S_SCAN)
- ipw_fix_channel(ic, m);
-
wh = mtod(m, struct ieee80211_frame *);
- mtx_unlock(&sc->sc_mtx);
+ IPW_UNLOCK(sc);
ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh);
/* send the frame to the 802.11 layer */
@@ -1085,7 +1137,7 @@ ipw_data_intr(struct ipw_softc *sc, stru
/* node is no longer needed */
ieee80211_free_node(ni);
- mtx_lock(&sc->sc_mtx);
+ IPW_LOCK(sc);
bus_dmamap_sync(sc->rbd_dmat, sc->rbd_map, BUS_DMASYNC_PREWRITE);
}
@@ -1093,6 +1145,7 @@ ipw_data_intr(struct ipw_softc *sc, stru
static void
ipw_rx_intr(struct ipw_softc *sc)
{
+ struct ieee80211com *ic = &sc->sc_ic;
struct ipw_status *status;
struct ipw_soft_bd *sbd;
struct ipw_soft_buf *sbuf;
@@ -1112,31 +1165,33 @@ ipw_rx_intr(struct ipw_softc *sc)
switch (le16toh(status->code) & 0xf) {
case IPW_STATUS_CODE_COMMAND:
- ipw_command_intr(sc, sbuf);
+ ipw_rx_cmd_intr(sc, sbuf);
break;
case IPW_STATUS_CODE_NEWSTATE:
- ipw_newstate_intr(sc, sbuf);
+ ipw_rx_newstate_intr(sc, sbuf);
break;
case IPW_STATUS_CODE_DATA_802_3:
case IPW_STATUS_CODE_DATA_802_11:
- ipw_data_intr(sc, status, sbd, sbuf);
+ ipw_rx_data_intr(sc, status, sbd, sbuf);
break;
case IPW_STATUS_CODE_NOTIFICATION:
- DPRINTFN(2, ("received notification\n"));
+ DPRINTFN(2, ("notification status, len %u flags 0x%x\n",
+ le32toh(status->len), status->flags));
+ if (ic->ic_state == IEEE80211_S_AUTH) {
+ /* XXX assume auth notification */
+ ieee80211_node_authorize(ic->ic_bss);
+ ieee80211_new_state(ic, IEEE80211_S_ASSOC, -1);
+ }
break;
default:
- device_printf(sc->sc_dev, "unknown status code %u\n",
+ device_printf(sc->sc_dev, "unexpected status code %u\n",
le16toh(status->code));
+ break;
}
-
- /* firmware was killed, stop processing received frames */
- if (!(sc->flags & IPW_FLAG_FW_INITED))
- return;
-
sbd->bd->flags = 0;
}
@@ -1174,12 +1229,8 @@ ipw_release_sbd(struct ipw_softc *sc, st
bus_dmamap_unload(sc->txbuf_dmat, sbuf->map);
SLIST_INSERT_HEAD(&sc->free_sbuf, sbuf, next);
- if (sbuf->m->m_flags & M_TXCB)
- ieee80211_process_callback(sbuf->ni, sbuf->m, 0/*XXX*/);
m_freem(sbuf->m);
ieee80211_free_node(sbuf->ni);
-
- sc->sc_tx_timer = 0;
break;
}
@@ -1211,8 +1262,10 @@ ipw_tx_intr(struct ipw_softc *sc)
/* remember what the firmware has processed */
sc->txold = (r == 0) ? IPW_NTBD - 1 : r - 1;
+ sc->sc_tx_timer = 0;
ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
- ipw_start(ifp);
+
+ ipw_start_locked(ifp);
}
static void
@@ -1222,36 +1275,39 @@ ipw_intr(void *arg)
uint32_t r;
mtx_lock(&sc->sc_mtx);
-
- if ((r = CSR_READ_4(sc, IPW_CSR_INTR)) == 0 || r == 0xffffffff) {
- mtx_unlock(&sc->sc_mtx);
- return;
- }
-
- /* disable interrupts */
- CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, 0);
-
- /* acknowledge all interrupts */
- CSR_WRITE_4(sc, IPW_CSR_INTR, r);
-
- if (r & (IPW_INTR_FATAL_ERROR | IPW_INTR_PARITY_ERROR)) {
- device_printf(sc->sc_dev, "firmware error\n");
- taskqueue_enqueue_fast(taskqueue_fast, &sc->sc_init_task);
- r = 0; /* don't process more interrupts */
+ r = CSR_READ_4(sc, IPW_CSR_INTR);
+ if (r != 0 && r != 0xffffffff) {
+ /* acknowledge all interrupts */
+ CSR_WRITE_4(sc, IPW_CSR_INTR, r);
+
+ DPRINTFN(9, ("%s: 0x%x\n", __func__, r));
+
+ if (r & IPW_INTR_FATAL_ERROR) {
+ device_printf(sc->sc_dev, "firmware error\n");
+ taskqueue_enqueue(sc->sc_tq, &sc->sc_restarttask);
+ r = 0; /* NB: don't do anything else */
+ }
+ if (r & IPW_INTR_FW_INIT_DONE) {
+ wakeup_one(sc);
+ r &= ~IPW_INTR_FW_INIT_DONE;
+ }
+ if (r & IPW_INTR_RX_TRANSFER) {
+ ipw_rx_intr(sc);
+ r &= ~IPW_INTR_RX_TRANSFER;
+ }
+ if (r & IPW_INTR_TX_TRANSFER) {
+ ipw_tx_intr(sc);
+ r &= ~IPW_INTR_TX_TRANSFER;
+ }
+ if (r & IPW_INTR_PARITY_ERROR) {
+ /* XXX rate limit */
+ device_printf(sc->sc_dev, "parity error\n");
+ r &= ~IPW_INTR_PARITY_ERROR;
+ }
+ if (r != 0)
+ device_printf(sc->sc_dev,
+ "%s: 0x%x unserviced\n", __func__, r);
}
-
- if (r & IPW_INTR_FW_INIT_DONE)
- wakeup(sc);
-
- if (r & IPW_INTR_RX_TRANSFER)
- ipw_rx_intr(sc);
-
- if (r & IPW_INTR_TX_TRANSFER)
- ipw_tx_intr(sc);
-
- /* re-enable interrupts */
- CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, IPW_INTR_MASK);
-
mtx_unlock(&sc->sc_mtx);
}
@@ -1266,26 +1322,87 @@ ipw_dma_map_addr(void *arg, bus_dma_segm
*(bus_addr_t *)arg = segs[0].ds_addr;
}
+static const char *
+ipw_cmdname(int cmd)
+{
+#define N(a) (sizeof(a) / sizeof(a[0]))
+ static const struct {
+ int cmd;
+ const char *name;
+ } cmds[] = {
+ { IPW_CMD_ADD_MULTICAST, "ADD_MULTICAST" },
+ { IPW_CMD_BROADCAST_SCAN, "BROADCAST_SCAN" },
+ { IPW_CMD_DISABLE, "DISABLE" },
+ { IPW_CMD_DISABLE_PHY, "DISABLE_PHY" },
+ { IPW_CMD_DISASSOCIATE, "DISASSOCIATE" },
+ { IPW_CMD_ENABLE, "ENABLE" },
+ { IPW_CMD_PREPARE_POWER_DOWN, "PREPARE_POWER_DOWN" },
+ { IPW_CMD_SET_BASIC_TX_RATES, "SET_BASIC_TX_RATES" },
+ { IPW_CMD_SET_BEACON_INTERVAL, "SET_BEACON_INTERVAL" },
+ { IPW_CMD_SET_CHANNEL, "SET_CHANNEL" },
+ { IPW_CMD_SET_CONFIGURATION, "SET_CONFIGURATION" },
+ { IPW_CMD_SET_DESIRED_BSSID, "SET_DESIRED_BSSID" },
+ { IPW_CMD_SET_ESSID, "SET_ESSID" },
+ { IPW_CMD_SET_FRAG_THRESHOLD, "SET_FRAG_THRESHOLD" },
+ { IPW_CMD_SET_LONG_RETRY, "SET_LONG_RETRY" },
+ { IPW_CMD_SET_MAC_ADDRESS, "SET_MAC_ADDRESS" },
+ { IPW_CMD_SET_MANDATORY_BSSID, "SET_MANDATORY_BSSID" },
+ { IPW_CMD_SET_MODE, "SET_MODE" },
+ { IPW_CMD_SET_MSDU_TX_RATES, "SET_MSDU_TX_RATES" },
+ { IPW_CMD_SET_POWER_MODE, "SET_POWER_MODE" },
+ { IPW_CMD_SET_RTS_THRESHOLD, "SET_RTS_THRESHOLD" },
+ { IPW_CMD_SET_SCAN_DWELL_TIME, "SET_SCAN_DWELL_TIME" },
+ { IPW_CMD_SET_SCAN_OPTIONS, "SET_SCAN_OPTIONS" },
+ { IPW_CMD_SET_SECURITY_INFO, "SET_SECURITY_INFO" },
+ { IPW_CMD_SET_SHORT_RETRY, "SET_SHORT_RETRY" },
+ { IPW_CMD_SET_TX_POWER_INDEX, "SET_TX_POWER_INDEX" },
+ { IPW_CMD_SET_TX_RATES, "SET_TX_RATES" },
+ { IPW_CMD_SET_WEP_FLAGS, "SET_WEP_FLAGS" },
+ { IPW_CMD_SET_WEP_KEY, "SET_WEP_KEY" },
+ { IPW_CMD_SET_WEP_KEY_INDEX, "SET_WEP_KEY_INDEX" },
+ { IPW_CMD_SET_WPA_IE, "SET_WPA_IE" },
+
+ };
+ static char buf[12];
+ int i;
+
+ for (i = 0; i < N(cmds); i++)
+ if (cmds[i].cmd == cmd)
+ return cmds[i].name;
+ snprintf(buf, sizeof(buf), "%u", cmd);
+ return buf;
+#undef N
+}
+
/*
* Send a command to the firmware and wait for the acknowledgement.
*/
static int
-ipw_cmd(struct ipw_softc *sc, uint32_t type, void *data, uint32_t len)
+ipw_cmd(struct ipw_softc *sc, uint32_t cmd, const void *data, uint32_t len)
{
struct ipw_soft_bd *sbd;
bus_addr_t physaddr;
int error;
+ if (sc->flags & IPW_FLAG_BUSY) {
+ device_printf(sc->sc_dev, "%s: %s not sent, busy\n",
+ __func__, ipw_cmdname(cmd));
+ return EAGAIN;
+ }
+ sc->flags |= IPW_FLAG_BUSY;
+
sbd = &sc->stbd_list[sc->txcur];
error = bus_dmamap_load(sc->cmd_dmat, sc->cmd_map, &sc->cmd,
sizeof (struct ipw_cmd), ipw_dma_map_addr, &physaddr, 0);
if (error != 0) {
- device_printf(sc->sc_dev, "could not map command DMA memory\n");
+ device_printf(sc->sc_dev,
+ "%s: %s not sent, could not map memory (error %u)\n",
+ __func__, ipw_cmdname(cmd), error);
return error;
}
- sc->cmd.type = htole32(type);
+ sc->cmd.type = htole32(cmd);
sc->cmd.subtype = 0;
sc->cmd.len = htole32(len);
sc->cmd.seq = 0;
@@ -1301,7 +1418,8 @@ ipw_cmd(struct ipw_softc *sc, uint32_t t
bus_dmamap_sync(sc->cmd_dmat, sc->cmd_map, BUS_DMASYNC_PREWRITE);
bus_dmamap_sync(sc->tbd_dmat, sc->tbd_map, BUS_DMASYNC_PREWRITE);
- DPRINTFN(2, ("sending command (%u, %u, %u, %u)\n", type, 0, 0, len));
+ DPRINTFN(4, ("sending %s(%u, %u, %u, %u)\n",
+ ipw_cmdname(cmd), cmd, 0, 0, len));
/* kick firmware */
sc->txfree--;
@@ -1309,7 +1427,13 @@ ipw_cmd(struct ipw_softc *sc, uint32_t t
CSR_WRITE_4(sc, IPW_CSR_TX_WRITE, sc->txcur);
/* wait at most one second for command to complete */
- return msleep(sc, &sc->sc_mtx, 0, "ipwcmd", hz);
+ error = msleep(&sc->cmd, &sc->sc_mtx, 0, "ipwcmd", hz);
+ if (error != 0) {
+ device_printf(sc->sc_dev, "%s: %s failed, timeout (error %u)\n",
+ __func__, ipw_cmdname(cmd), error);
+ return error;
+ }
+ return 0;
}
static int
@@ -1325,11 +1449,15 @@ ipw_tx_start(struct ifnet *ifp, struct m
struct mbuf *mnew;
bus_dma_segment_t segs[IPW_MAX_NSEG];
bus_addr_t physaddr;
- int nsegs, error, i;
+ int nsegs, error, i, iswep, hdrlen, ismcast;
wh = mtod(m0, struct ieee80211_frame *);
+ /* NB: only data frames use this path */
+ iswep = wh->i_fc[1] & IEEE80211_FC1_WEP;
+ hdrlen = ieee80211_hdrsize(wh);
+ ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1);
- if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
+ if (iswep) {
k = ieee80211_crypto_encap(ic, ni, m0);
if (k == NULL) {
m_freem(m0);
@@ -1340,12 +1468,10 @@ ipw_tx_start(struct ifnet *ifp, struct m
wh = mtod(m0, struct ieee80211_frame *);
}
- if (bpf_peers_present(sc->sc_drvbpf)) {
+ if (sc->sc_drvbpf != NULL) {
struct ipw_tx_radiotap_header *tap = &sc->sc_txtap;
tap->wt_flags = 0;
- tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq);
- tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags);
bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0);
}
@@ -1356,7 +1482,8 @@ ipw_tx_start(struct ifnet *ifp, struct m
shdr->hdr.type = htole32(IPW_HDR_TYPE_SEND);
shdr->hdr.subtype = 0;
- shdr->hdr.encrypted = (wh->i_fc[1] & IEEE80211_FC1_WEP) ? 1 : 0;
+ shdr->hdr.encrypted = iswep ? 1 : 0;
+ /* NB: always do crypto in the host */
shdr->hdr.encrypt = 0;
shdr->hdr.keyidx = 0;
shdr->hdr.keysz = 0;
@@ -1367,8 +1494,7 @@ ipw_tx_start(struct ifnet *ifp, struct m
else
IEEE80211_ADDR_COPY(shdr->hdr.dst_addr, wh->i_addr1);
- /* trim IEEE802.11 header */
- m_adj(m0, sizeof (struct ieee80211_frame));
+ m_adj(m0, hdrlen); /* strip IEEE802.11 header */
error = bus_dmamap_load_mbuf_sg(sc->txbuf_dmat, sbuf->map, m0, segs,
&nsegs, 0);
@@ -1419,7 +1545,7 @@ ipw_tx_start(struct ifnet *ifp, struct m
sbd->bd->flags = IPW_BD_FLAG_TX_FRAME_802_3 |
IPW_BD_FLAG_TX_NOT_LAST_FRAGMENT;
- DPRINTFN(5, ("sending tx hdr (%u, %u, %u, %u, %6D, %6D)\n",
+ DPRINTFN(5, ("%s: tx hdr (%u, %u, %u, %u, %6D, %6D)\n", __func__,
shdr->hdr.type, shdr->hdr.subtype, shdr->hdr.encrypted,
shdr->hdr.encrypt, shdr->hdr.src_addr, ":", shdr->hdr.dst_addr,
":"));
@@ -1446,7 +1572,8 @@ ipw_tx_start(struct ifnet *ifp, struct m
sbd->bd->flags |= IPW_BD_FLAG_TX_NOT_LAST_FRAGMENT;
}
- DPRINTFN(5, ("sending fragment (%d, %d)\n", i, segs[i].ds_len));
+ DPRINTFN(5, ("%s: fragment (%d, %d)\n", __func__,
+ i, segs[i].ds_len));
sc->txfree--;
sc->txcur = (sc->txcur + 1) % IPW_NTBD;
@@ -1463,7 +1590,7 @@ ipw_tx_start(struct ifnet *ifp, struct m
}
static void
-ipw_start(struct ifnet *ifp)
+ipw_start_locked(struct ifnet *ifp)
{
struct ipw_softc *sc = ifp->if_softc;
struct ieee80211com *ic = &sc->sc_ic;
@@ -1471,43 +1598,53 @@ ipw_start(struct ifnet *ifp)
struct ether_header *eh;
struct ieee80211_node *ni;
- mtx_lock(&sc->sc_mtx);
-
- if (ic->ic_state != IEEE80211_S_RUN) {
- mtx_unlock(&sc->sc_mtx);
+ if (ic->ic_state != IEEE80211_S_RUN)
return;
- }
for (;;) {
- IFQ_DRV_DEQUEUE(&ifp->if_snd, m0);
- if (m0 == NULL)
- break;
+ IF_DEQUEUE(&ic->ic_mgtq, m0);
+ if (m0 == NULL) {
+ IFQ_DRV_DEQUEUE(&ifp->if_snd, m0);
+ if (m0 == NULL)
+ break;
+
+ if (sc->txfree < 1 + IPW_MAX_NSEG) {
+ IFQ_DRV_PREPEND(&ifp->if_snd, m0);
+ ifp->if_drv_flags |= IFF_DRV_OACTIVE;
+ break;
+ }
- if (sc->txfree < 1 + IPW_MAX_NSEG) {
- IFQ_DRV_PREPEND(&ifp->if_snd, m0);
- ifp->if_drv_flags |= IFF_DRV_OACTIVE;
- break;
- }
+ if (m0->m_len < sizeof (struct ether_header) &&
+ (m0 = m_pullup(m0, sizeof (struct ether_header))) == NULL)
+ continue;
- if (m0->m_len < sizeof (struct ether_header) &&
- (m0 = m_pullup(m0, sizeof (struct ether_header))) == NULL)
- continue;
+ eh = mtod(m0, struct ether_header *);
+ ni = ieee80211_find_txnode(ic, eh->ether_dhost);
+ if (ni == NULL) {
+ m_freem(m0);
+ continue;
+ }
+ BPF_MTAP(ifp, m0);
- eh = mtod(m0, struct ether_header *);
- ni = ieee80211_find_txnode(ic, eh->ether_dhost);
- if (ni == NULL) {
+ m0 = ieee80211_encap(ic, m0, ni);
+ if (m0 == NULL) {
+ ieee80211_free_node(ni);
+ continue;
+ }
+ } else {
+ ni = (struct ieee80211_node *) m0->m_pkthdr.rcvif;
+ m0->m_pkthdr.rcvif = NULL;
+ /* XXX no way to send mgt frames(yet), discard */
m_freem(m0);
- continue;
- }
- BPF_MTAP(ifp, m0);
-
- m0 = ieee80211_encap(ic, m0, ni);
- if (m0 == NULL) {
ieee80211_free_node(ni);
continue;
}
+#if __FreeBSD_version >= 700017
if (bpf_peers_present(ic->ic_rawbpf))
+#else
+ if (ic->ic_rawbpf != NULL)
+#endif
bpf_mtap(ic->ic_rawbpf, m0);
if (ipw_tx_start(ifp, m0, ni) != 0) {
@@ -1518,34 +1655,58 @@ ipw_start(struct ifnet *ifp)
/* start watchdog timer */
sc->sc_tx_timer = 5;
- ifp->if_timer = 1;
}
-
- mtx_unlock(&sc->sc_mtx);
}
static void
-ipw_watchdog(struct ifnet *ifp)
+ipw_start(struct ifnet *ifp)
{
struct ipw_softc *sc = ifp->if_softc;
+ IPW_LOCK_DECL;
- mtx_lock(&sc->sc_mtx);
+ IPW_LOCK(sc);
+ ipw_start_locked(ifp);
+ IPW_UNLOCK(sc);
+}
+
+static void
+ipw_watchdog(void *arg)
+{
+ struct ipw_softc *sc = arg;
+ struct ifnet *ifp = sc->sc_ifp;
- ifp->if_timer = 0;
+ IPW_LOCK_ASSERT(sc);
if (sc->sc_tx_timer > 0) {
if (--sc->sc_tx_timer == 0) {
if_printf(ifp, "device timeout\n");
ifp->if_oerrors++;
- taskqueue_enqueue_fast(taskqueue_fast,
- &sc->sc_init_task);
- mtx_unlock(&sc->sc_mtx);
- return;
+ taskqueue_enqueue(sc->sc_tq, &sc->sc_restarttask);
}
- ifp->if_timer = 1;
}
-
- mtx_unlock(&sc->sc_mtx);
+ if (sc->sc_rfkill_timer > 0) {
+ if (--sc->sc_rfkill_timer == 0) {
+ /*
+ * Check for a change in rfkill state. We get an
+ * interrupt when a radio is disabled but not when
+ * it is enabled so we must poll for the latter.
+ */
+ if (!ipw_getrfkill(sc))
+ taskqueue_enqueue(sc->sc_tq, &sc->sc_radiontask);
+ else
+ sc->sc_rfkill_timer = 2;
+ }
+ }
+ if (sc->sc_state_timer > 0) {
+ if (--sc->sc_state_timer == 0) {
+ if (sc->flags & IPW_FLAG_SCANNING) {
+ if_printf(ifp, "scan stuck\n");
+ taskqueue_enqueue(sc->sc_tq, &sc->sc_restarttask);
+ }
+ }
+ }
+ if (ifp->if_drv_flags & IFF_DRV_RUNNING)
+ callout_reset(&sc->sc_wdtimer, hz, ipw_watchdog, sc);
}
static int
@@ -1554,32 +1715,44 @@ ipw_ioctl(struct ifnet *ifp, u_long cmd,
struct ipw_softc *sc = ifp->if_softc;
struct ieee80211com *ic = &sc->sc_ic;
int error = 0;
+ IPW_LOCK_DECL;
- mtx_lock(&sc->sc_mtx);
+ IPW_LOCK(sc);
switch (cmd) {
case SIOCSIFFLAGS:
if (ifp->if_flags & IFF_UP) {
if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
- ipw_init(sc);
+ ipw_init_locked(sc, 0);
} else {
if (ifp->if_drv_flags & IFF_DRV_RUNNING)
- ipw_stop(sc);
+ ipw_stop_locked(sc);
+ else {
+ /*
+ * If device was stopped due to rfkill then
+ * marked down we'll have the polling thread
+ * running; stop it explicitly.
+ */
+ sc->sc_rfkill_timer = 0;
+ }
+ ipw_put_firmware(sc);
}
break;
default:
error = ieee80211_ioctl(ic, cmd, data);
+ break;
}
if (error == ENETRESET) {
if ((ifp->if_flags & IFF_UP) &&
- (ifp->if_drv_flags & IFF_DRV_RUNNING))
- ipw_init(sc);
+ (ifp->if_drv_flags & IFF_DRV_RUNNING) &&
+ (ic->ic_roaming != IEEE80211_ROAMING_MANUAL))
+ ipw_init_locked(sc, 0);
error = 0;
}
- mtx_unlock(&sc->sc_mtx);
+ IPW_UNLOCK(sc);
return error;
}
@@ -1605,7 +1778,7 @@ ipw_stop_master(struct ipw_softc *sc)
tmp = CSR_READ_4(sc, IPW_CSR_RST);
CSR_WRITE_4(sc, IPW_CSR_RST, tmp | IPW_RST_PRINCETON_RESET);
- sc->flags &= ~IPW_FLAG_FW_INITED;
+ sc->flags &= ~(IPW_FLAG_FW_INITED | IPW_FLAG_BUSY | IPW_FLAG_ENABLED);
}
static int
@@ -1640,103 +1813,174 @@ ipw_reset(struct ipw_softc *sc)
return 0;
}
-/*
- * Upload the microcode to the device.
- */
static int
-ipw_load_ucode(struct ipw_softc *sc, const char *uc, int size)
+ipw_waitfordisable(struct ipw_softc *sc, int waitfor)
{
- int ntries;
+ int ms = hz < 1000 ? 1 : hz/10;
+ int i, error;
- MEM_WRITE_4(sc, 0x3000e0, 0x80000000);
- CSR_WRITE_4(sc, IPW_CSR_RST, 0);
+ for (i = 0; i < 100; i++) {
+ if (ipw_read_table1(sc, IPW_INFO_CARD_DISABLED) == waitfor)
+ return 0;
+ error = msleep(sc, &sc->sc_mtx, PCATCH, __func__, ms);
+ if (error == 0 || error != EWOULDBLOCK)
+ return 0;
+ }
+ DPRINTF(("%s: timeout waiting for %s\n",
+ __func__, waitfor ? "disable" : "enable"));
+ return ETIMEDOUT;
+}
- MEM_WRITE_2(sc, 0x220000, 0x0703);
- MEM_WRITE_2(sc, 0x220000, 0x0707);
+static int
+ipw_enable(struct ipw_softc *sc)
+{
+ int error;
- MEM_WRITE_1(sc, 0x210014, 0x72);
- MEM_WRITE_1(sc, 0x210014, 0x72);
+ if ((sc->flags & IPW_FLAG_ENABLED) == 0) {
+ DPRINTF(("Enable adapter\n"));
+ error = ipw_cmd(sc, IPW_CMD_ENABLE, NULL, 0);
+ if (error != 0)
+ return error;
+ error = ipw_waitfordisable(sc, 0);
+ if (error != 0)
+ return error;
+ sc->flags |= IPW_FLAG_ENABLED;
+ }
+ return 0;
+}
- MEM_WRITE_1(sc, 0x210000, 0x40);
- MEM_WRITE_1(sc, 0x210000, 0x00);
- MEM_WRITE_1(sc, 0x210000, 0x40);
+static int
+ipw_disable(struct ipw_softc *sc)
+{
+ int error;
- MEM_WRITE_MULTI_1(sc, 0x210010, uc, size);
+ if (sc->flags & IPW_FLAG_ENABLED) {
+ DPRINTF(("Disable adapter\n"));
+ error = ipw_cmd(sc, IPW_CMD_DISABLE, NULL, 0);
+ if (error != 0)
+ return error;
+ error = ipw_waitfordisable(sc, 1);
+ if (error != 0)
+ return error;
+ sc->flags &= ~IPW_FLAG_ENABLED;
+ }
+ return 0;
+}
- MEM_WRITE_1(sc, 0x210000, 0x00);
- MEM_WRITE_1(sc, 0x210000, 0x00);
- MEM_WRITE_1(sc, 0x210000, 0x80);
+static int
+ipw_setpowermode(struct ipw_softc *sc)
+{
+ struct ieee80211com *ic = &sc->sc_ic;
+ uint32_t data;
- MEM_WRITE_2(sc, 0x220000, 0x0703);
- MEM_WRITE_2(sc, 0x220000, 0x0707);
+ if (ic->ic_flags & IEEE80211_F_PMGTON) {
+ /* XXX set more fine-grained operation */
+ data = htole32(IPW_POWER_MODE_AUTO);
+ } else
+ data = htole32(IPW_POWER_MODE_CAM);
- MEM_WRITE_1(sc, 0x210014, 0x72);
- MEM_WRITE_1(sc, 0x210014, 0x72);
+ DPRINTF(("Setting power mode to %u\n", le32toh(data)));
+ return ipw_cmd(sc, IPW_CMD_SET_POWER_MODE, &data, sizeof data);
+}
- MEM_WRITE_1(sc, 0x210000, 0x00);
- MEM_WRITE_1(sc, 0x210000, 0x80);
+static int
+ipw_setwepkeys(struct ipw_softc *sc)
+{
+ struct ieee80211com *ic = &sc->sc_ic;
+ struct ipw_wep_key wepkey;
+ struct ieee80211_key *wk;
+ int error, i;
- for (ntries = 0; ntries < 10; ntries++) {
- if (MEM_READ_1(sc, 0x210000) & 1)
- break;
- DELAY(10);
- }
- if (ntries == 10) {
- device_printf(sc->sc_dev,
- "timeout waiting for ucode to initialize\n");
- return EIO;
- }
+ for (i = 0; i < IEEE80211_WEP_NKID; i++) {
+ wk = &ic->ic_crypto.cs_nw_keys[i];
- MEM_WRITE_4(sc, 0x3000e0, 0);
+ if (wk->wk_cipher == NULL ||
+ wk->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP)
+ continue;
+ wepkey.idx = i;
+ wepkey.len = wk->wk_keylen;
+ memset(wepkey.key, 0, sizeof wepkey.key);
+ memcpy(wepkey.key, wk->wk_key, wk->wk_keylen);
+ DPRINTF(("Setting wep key index %u len %u\n", wepkey.idx,
+ wepkey.len));
+ error = ipw_cmd(sc, IPW_CMD_SET_WEP_KEY, &wepkey,
+ sizeof wepkey);
+ if (error != 0)
+ return error;
+ }
return 0;
}
-/* set of macros to handle unaligned little endian data in firmware image */
-#define GETLE32(p) ((p)[0] | (p)[1] << 8 | (p)[2] << 16 | (p)[3] << 24)
-#define GETLE16(p) ((p)[0] | (p)[1] << 8)
static int
-ipw_load_firmware(struct ipw_softc *sc, const char *fw, int size)
+ipw_setwpaie(struct ipw_softc *sc, const void *ie, int ielen)
{
- const uint8_t *p, *end;
- uint32_t tmp, dst;
- uint16_t len;
- int error;
-
- p = fw;
- end = fw + size;
- while (p < end) {
- dst = GETLE32(p); p += 4;
- len = GETLE16(p); p += 2;
-
- ipw_write_mem_1(sc, dst, p, len);
- p += len;
- }
-
- CSR_WRITE_4(sc, IPW_CSR_IO, IPW_IO_GPIO1_ENABLE | IPW_IO_GPIO3_MASK |
- IPW_IO_LED_OFF);
+ struct ipw_wpa_ie wpaie;
- /* enable interrupts */
- CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, IPW_INTR_MASK);
+ memset(&wpaie, 0, sizeof(wpaie));
+ wpaie.ielen = htole32(ielen);
+ /* XXX verify length */
+ memcpy(&wpaie.ie, ie, ielen);
+ DPRINTF(("Setting wpa ie\n"));
+ return ipw_cmd(sc, IPW_CMD_SET_WPA_IE, &wpaie, sizeof(wpaie));
+}
- /* kick the firmware */
- CSR_WRITE_4(sc, IPW_CSR_RST, 0);
+static int
+ipw_setbssid(struct ipw_softc *sc, const uint8_t *bssid)
+{
+ static const uint8_t zerobssid[IEEE80211_ADDR_LEN];
- tmp = CSR_READ_4(sc, IPW_CSR_CTL);
- CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_ALLOW_STANDBY);
+ if (bssid == NULL || bcmp(bssid, zerobssid, IEEE80211_ADDR_LEN) == 0) {
+ DPRINTF(("Setting mandatory BSSID to null\n"));
+ return ipw_cmd(sc, IPW_CMD_SET_MANDATORY_BSSID, NULL, 0);
+ } else {
+ DPRINTF(("Setting mandatory BSSID to %6D\n", bssid, ":"));
+ return ipw_cmd(sc, IPW_CMD_SET_MANDATORY_BSSID,
+ bssid, IEEE80211_ADDR_LEN);
+ }
+}
- /* wait at most one second for firmware initialization to complete */
- if ((error = msleep(sc, &sc->sc_mtx, 0, "ipwinit", hz)) != 0) {
- device_printf(sc->sc_dev, "timeout waiting for firmware "
- "initialization to complete\n");
- return error;
+static int
+ipw_setssid(struct ipw_softc *sc, void *ssid, size_t ssidlen)
+{
+ if (ssidlen == 0) {
+ /*
+ * A bug in the firmware breaks the ``don't associate''
+ * bit in the scan options command. To compensate for
+ * this install a bogus ssid when no ssid is specified
+ * so the firmware won't try to associate.
+ */
+ DPRINTF(("Setting bogus ESSID to WAR firmware bug\n"));
+ return ipw_cmd(sc, IPW_CMD_SET_ESSID,
+ "\x18\x19\x20\x21\x22\x23\x24\x25\x26\x27"
+ "\x28\x29\x2a\x2b\x2c\x2d\x2e\x2f\x30\x31"
+ "\x32\x33\x34\x35\x36\x37\x38\x39\x3a\x3b"
+ "\x3c\x3d", IEEE80211_NWID_LEN);
+ } else {
+#ifdef IPW_DEBUG
+ if (ipw_debug > 0) {
+ printf("Setting ESSID to ");
+ ieee80211_print_essid(ssid, ssidlen);
+ printf("\n");
+ }
+#endif
+ return ipw_cmd(sc, IPW_CMD_SET_ESSID, ssid, ssidlen);
}
+}
- tmp = CSR_READ_4(sc, IPW_CSR_IO);
- CSR_WRITE_4(sc, IPW_CSR_IO, tmp | IPW_IO_GPIO1_MASK |
- IPW_IO_GPIO3_MASK);
+static int
+ipw_setchannel(struct ipw_softc *sc, struct ieee80211_channel *chan)
+{
+ struct ieee80211com *ic = &sc->sc_ic;
+ uint32_t data;
+ int error;
- return 0;
+ data = htole32(ieee80211_chan2ieee(ic, chan));
+ DPRINTF(("Setting channel to %u\n", le32toh(data)));
+ error = ipw_cmd(sc, IPW_CMD_SET_CHANNEL, &data, sizeof data);
+ if (error == 0)
+ ipw_setcurchan(sc, chan);
+ return error;
}
static int
@@ -1745,12 +1989,13 @@ ipw_config(struct ipw_softc *sc)
struct ieee80211com *ic = &sc->sc_ic;
struct ifnet *ifp = ic->ic_ifp;
struct ipw_security security;
- struct ieee80211_key *k;
- struct ipw_wep_key wepkey;
- struct ipw_scan_options options;
struct ipw_configuration config;
uint32_t data;
- int error, i;
+ int error;
+
+ error = ipw_disable(sc);
+ if (error != 0)
+ return error;
switch (ic->ic_opmode) {
case IEEE80211_M_STA:
@@ -1771,21 +2016,23 @@ ipw_config(struct ipw_softc *sc)
if (error != 0)
return error;
- if (ic->ic_opmode == IEEE80211_M_IBSS ||
- ic->ic_opmode == IEEE80211_M_MONITOR) {
- data = htole32(ieee80211_chan2ieee(ic, ic->ic_curchan));
- DPRINTF(("Setting channel to %u\n", le32toh(data)));
- error = ipw_cmd(sc, IPW_CMD_SET_CHANNEL, &data, sizeof data);
+ if (ic->ic_opmode == IEEE80211_M_MONITOR) {
+ error = ipw_setchannel(sc, ic->ic_curchan);
if (error != 0)
return error;
}
- if (ic->ic_opmode == IEEE80211_M_MONITOR) {
- DPRINTF(("Enabling adapter\n"));
- return ipw_cmd(sc, IPW_CMD_ENABLE, NULL, 0);
- }
+ if (ic->ic_opmode == IEEE80211_M_MONITOR)
+ return ipw_enable(sc);
- IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp));
+ /*
+ * Handle any link-level address change. Note that we only
+ * need to force ic_myaddr; any other addresses are handled
+ * as a byproduct of the ifnet code marking the interface
+ * down then up.
+ *
+ * XXX should get from lladdr instead of arpcom but that's more work
+ */
DPRINTF(("Setting MAC address to %6D\n", ic->ic_myaddr, ":"));
error = ipw_cmd(sc, IPW_CMD_SET_MAC_ADDRESS, ic->ic_myaddr,
IEEE80211_ADDR_LEN);
@@ -1798,6 +2045,7 @@ ipw_config(struct ipw_softc *sc)
config.flags |= htole32(IPW_CFG_IBSS_AUTO_START);
if (ifp->if_flags & IFF_PROMISC)
config.flags |= htole32(IPW_CFG_PROMISCUOUS);
+ /* XXX honor channel list */
config.bss_chan = htole32(0x3fff); /* channels 1-14 */
config.ibss_chan = htole32(0x7ff); /* channels 1-11 */
DPRINTF(("Setting configuration to 0x%x\n", le32toh(config.flags)));
@@ -1805,6 +2053,7 @@ ipw_config(struct ipw_softc *sc)
if (error != 0)
return error;
+ /* XXX fixed rate? */
data = htole32(0x3); /* 1, 2 */
DPRINTF(("Setting basic tx rates to 0x%x\n", le32toh(data)));
error = ipw_cmd(sc, IPW_CMD_SET_BASIC_TX_RATES, &data, sizeof data);
@@ -1817,13 +2066,24 @@ ipw_config(struct ipw_softc *sc)
if (error != 0)
return error;
- data = htole32(IPW_POWER_MODE_CAM);
- DPRINTF(("Setting power mode to %u\n", le32toh(data)));
- error = ipw_cmd(sc, IPW_CMD_SET_POWER_MODE, &data, sizeof data);
+ /* NB: use the same rate set */
+ DPRINTF(("Setting msdu tx rates to 0x%x\n", le32toh(data)));
+ error = ipw_cmd(sc, IPW_CMD_SET_MSDU_TX_RATES, &data, sizeof data);
+ if (error != 0)
+ return error;
+
+ error = ipw_setpowermode(sc);
if (error != 0)
return error;
if (ic->ic_opmode == IEEE80211_M_IBSS) {
+ data = htole32(ic->ic_bintval);
+ DPRINTF(("Setting beacon interval to %u\n", le32toh(data)));
+ error = ipw_cmd(sc, IPW_CMD_SET_BEACON_INTERVAL, &data,
+ sizeof data);
+ if (error != 0)
+ return error;
+
data = htole32(32); /* default value */
DPRINTF(("Setting tx power index to %u\n", le32toh(data)));
error = ipw_cmd(sc, IPW_CMD_SET_TX_POWER_INDEX, &data,
@@ -1844,22 +2104,11 @@ ipw_config(struct ipw_softc *sc)
if (error != 0)
return error;
-#ifdef IPW_DEBUG
- if (ipw_debug > 0) {
- printf("Setting ESSID to ");
- ieee80211_print_essid(ic->ic_des_ssid[0].ssid,
- ic->ic_des_ssid[0].len);
- printf("\n");
- }
-#endif
- error = ipw_cmd(sc, IPW_CMD_SET_ESSID, ic->ic_des_ssid[0].ssid,
- ic->ic_des_ssid[0].len);
+ error = ipw_setbssid(sc, NULL);
if (error != 0)
return error;
-
- /* no mandatory BSSID */
- DPRINTF(("Setting mandatory BSSID to null\n"));
- error = ipw_cmd(sc, IPW_CMD_SET_MANDATORY_BSSID, NULL, 0);
+
+ error = ipw_setssid(sc, ic->ic_des_ssid[0].ssid, ic->ic_des_ssid[0].len);
if (error != 0)
return error;
@@ -1877,35 +2126,25 @@ ipw_config(struct ipw_softc *sc)
IPW_AUTH_SHARED : IPW_AUTH_OPEN;
security.ciphers = htole32(IPW_CIPHER_NONE);
DPRINTF(("Setting authmode to %u\n", security.authmode));
- error = ipw_cmd(sc, IPW_CMD_SET_SECURITY_INFORMATION, &security,
+ error = ipw_cmd(sc, IPW_CMD_SET_SECURITY_INFO, &security,
sizeof security);
if (error != 0)
return error;
if (ic->ic_flags & IEEE80211_F_PRIVACY) {
- k = ic->ic_crypto.cs_nw_keys;
- for (i = 0; i < IEEE80211_WEP_NKID; i++, k++) {
- if (k->wk_keylen == 0)
- continue;
+ error = ipw_setwepkeys(sc);
+ if (error != 0)
+ return error;
- wepkey.idx = i;
- wepkey.len = k->wk_keylen;
- memset(wepkey.key, 0, sizeof wepkey.key);
- memcpy(wepkey.key, k->wk_key, k->wk_keylen);
- DPRINTF(("Setting wep key index %u len %u\n",
- wepkey.idx, wepkey.len));
- error = ipw_cmd(sc, IPW_CMD_SET_WEP_KEY, &wepkey,
- sizeof wepkey);
+ if (ic->ic_crypto.cs_def_txkey != IEEE80211_KEYIX_NONE) {
+ data = htole32(ic->ic_crypto.cs_def_txkey);
+ DPRINTF(("Setting wep tx key index to %u\n",
+ le32toh(data)));
+ error = ipw_cmd(sc, IPW_CMD_SET_WEP_KEY_INDEX, &data,
+ sizeof data);
if (error != 0)
return error;
}
-
- data = htole32(ic->ic_crypto.cs_def_txkey);
- DPRINTF(("Setting wep tx key index to %u\n", le32toh(data)));
- error = ipw_cmd(sc, IPW_CMD_SET_WEP_KEY_INDEX, &data,
- sizeof data);
- if (error != 0)
- return error;
}
data = htole32((ic->ic_flags & IEEE80211_F_PRIVACY) ? IPW_WEPON : 0);
@@ -1914,143 +2153,219 @@ ipw_config(struct ipw_softc *sc)
if (error != 0)
return error;
-#if 0
- struct ipw_wpa_ie ie;
+ return ipw_enable(sc);
+}
- memset(&ie, 0, sizeof ie);
- ie.len = htole32(sizeof (struct ieee80211_ie_wpa));
- DPRINTF(("Setting wpa ie\n"));
- error = ipw_cmd(sc, IPW_CMD_SET_WPA_IE, &ie, sizeof ie);
+static int
+ipw_setscanopts(struct ipw_softc *sc, uint32_t chanmask, uint32_t flags)
+{
+ struct ipw_scan_options opts;
+
+ DPRINTF(("Scan options: mask 0x%x flags 0x%x\n", chanmask, flags));
+ opts.chanmask = htole32(chanmask);
+ opts.flags = htole32(flags);
+ return ipw_cmd(sc, IPW_CMD_SET_SCAN_OPTIONS, &opts, sizeof(opts));
+}
+
+static int
+ipw_scan(struct ipw_softc *sc)
+{
+ uint32_t params;
+ int error;
+
+ DPRINTF(("%s: flags 0x%x\n", __func__, sc->flags));
+ IPW_STATE_BEGIN(sc, IPW_FW_SCANNING);
+ sc->flags |= IPW_FLAG_SCANNING | IPW_FLAG_HACK;
+
+ /* NB: IPW_SCAN_DO_NOT_ASSOCIATE does not work (we set it anyway) */
+ error = ipw_setscanopts(sc, sc->chanmask, IPW_SCAN_DO_NOT_ASSOCIATE);
if (error != 0)
- return error;
-#endif
+ goto done;
+
+ /*
+ * Setup null/bogus ssid so firmware doesn't use any previous
+ * ssid to try and associate. This is because the ``don't
+ * associate'' option bit is broken (sigh).
+ */
+ error = ipw_setssid(sc, NULL, 0);
+ if (error != 0)
+ goto done;
- if (ic->ic_opmode == IEEE80211_M_IBSS) {
- data = htole32(ic->ic_bintval);
- DPRINTF(("Setting beacon interval to %u\n", le32toh(data)));
- error = ipw_cmd(sc, IPW_CMD_SET_BEACON_INTERVAL, &data,
- sizeof data);
+ /*
+ * NB: the adapter may be disabled on association lost;
+ * if so just re-enable it to kick off scanning.
+ */
+ if (sc->flags & IPW_FLAG_ENABLED) {
+ params = 0; /* XXX? */
+ error = ipw_cmd(sc, IPW_CMD_BROADCAST_SCAN,
+ ¶ms, sizeof(params));
+ } else
+ error = ipw_enable(sc);
+done:
+ if (error != 0) {
+ sc->flags &= ~(IPW_FLAG_SCANNING | IPW_FLAG_HACK);
+ IPW_STATE_END(sc, IPW_FW_SCANNING);
+ }
+ return (error);
+}
+
+static void
+ipw_assoc_lost(void *arg, int npending)
+{
+ struct ipw_softc *sc = arg;
+ struct ieee80211com *ic = &sc->sc_ic;
+ IPW_LOCK_DECL;
+
+ DPRINTF(("%s: flags 0x%x\n", __func__, sc->flags));
+ IPW_LOCK(sc);
+ (void) ipw_disable(sc); /* XXX stop fw from re-associating */
+ if (ic->ic_state == IEEE80211_S_RUN)
+ ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
+ IPW_UNLOCK(sc);
+}
+
+static int
+ipw_auth_and_assoc(struct ipw_softc *sc)
+{
+ struct ieee80211com *ic = &sc->sc_ic;
+ struct ieee80211_node *ni = ic->ic_bss;
+ struct ipw_security security;
+ uint32_t data;
+ int error;
+
+ IPW_LOCK_ASSERT(sc);
+ IPW_STATE_BEGIN(sc, IPW_FW_ASSOCIATING);
+
+ error = ipw_disable(sc);
+ if (error != 0)
+ goto done;
+
+ memset(&security, 0, sizeof security);
+ security.authmode = (ni->ni_authmode == IEEE80211_AUTH_SHARED) ?
+ IPW_AUTH_SHARED : IPW_AUTH_OPEN;
+ security.ciphers = htole32(IPW_CIPHER_NONE);
+ DPRINTF(("Setting authmode to %u\n", security.authmode));
+ error = ipw_cmd(sc, IPW_CMD_SET_SECURITY_INFO, &security,
+ sizeof security);
+ if (error != 0)
+ goto done;
+
+ if (ic->ic_flags & IEEE80211_F_PRIVACY) {
+ error = ipw_setwepkeys(sc);
if (error != 0)
- return error;
+ goto done;
+
+ if (ic->ic_crypto.cs_def_txkey != IEEE80211_KEYIX_NONE) {
+ data = htole32(ic->ic_crypto.cs_def_txkey);
+ DPRINTF(("Setting wep tx key index to %u\n",
+ le32toh(data)));
+ error = ipw_cmd(sc, IPW_CMD_SET_WEP_KEY_INDEX, &data,
+ sizeof data);
+ if (error != 0)
+ goto done;
+ }
}
- options.flags = 0;
- options.channels = htole32(0x3fff); /* scan channels 1-14 */
- DPRINTF(("Setting scan options to 0x%x\n", le32toh(options.flags)));
- error = ipw_cmd(sc, IPW_CMD_SET_SCAN_OPTIONS, &options, sizeof options);
+ error = ipw_setssid(sc, ni->ni_essid, ni->ni_esslen);
if (error != 0)
- return error;
+ goto done;
+
+ error = ipw_setbssid(sc, ni->ni_bssid);
+ if (error != 0)
+ goto done;
+
+ data = htole32((ic->ic_flags & IEEE80211_F_PRIVACY) ? IPW_WEPON : 0);
+ DPRINTF(("Setting wep flags to 0x%x\n", le32toh(data)));
+ error = ipw_cmd(sc, IPW_CMD_SET_WEP_FLAGS, &data, sizeof data);
+ if (error != 0)
+ goto done;
+
+ if (ic->ic_opt_ie != NULL) {
+ error = ipw_setwpaie(sc, ic->ic_opt_ie, ic->ic_opt_ie_len);
+ if (error != 0)
+ goto done;
+ }
+
+ if (ic->ic_opmode == IEEE80211_M_IBSS) {
+ error = ipw_setchannel(sc, ni->ni_chan);
+ if (error != 0)
+ goto done;
+ }
+
+ /* lock scan to ap's channel and enable associate */
+ error = ipw_setscanopts(sc,
+ 1<<(ieee80211_chan2ieee(ic, ni->ni_chan)-1), 0);
+done:
+ if (error != 0) {
+ IPW_STATE_END(sc, IPW_FW_ASSOCIATING);
+ return (error);
+ }
- /* finally, enable adapter (start scanning for an access point) */
- DPRINTF(("Enabling adapter\n"));
- return ipw_cmd(sc, IPW_CMD_ENABLE, NULL, 0);
+ return ipw_enable(sc); /* finally, enable adapter */
}
-/*
- * Handler for sc_init_task. This is a simple wrapper around ipw_init().
- * It is called on firmware panics or on watchdog timeouts.
- */
-static void
-ipw_init_task(void *context, int pending)
+static int
+ipw_disassociate(struct ipw_softc *sc)
{
- ipw_init(context);
+ struct ieee80211com *ic = &sc->sc_ic;
+ const struct ieee80211_node *ni = ic->ic_bss;
+
+ DPRINTF(("Disassociate from %6D\n", ni->ni_bssid, ":"));
+ /*
+ * NB: firmware currently ignores bssid parameter, but
+ * supply it in case this changes (follow linux driver).
+ */
+ return ipw_cmd(sc, IPW_CMD_DISASSOCIATE,
+ ni->ni_bssid, IEEE80211_ADDR_LEN);
}
static void
ipw_init(void *priv)
{
struct ipw_softc *sc = priv;
+ IPW_LOCK_DECL;
+
+ IPW_LOCK(sc);
+ ipw_init_locked(sc, 0);
+ IPW_UNLOCK(sc);
+}
+
+static void
+ipw_init_locked(struct ipw_softc *sc, int force)
+{
struct ieee80211com *ic = &sc->sc_ic;
struct ifnet *ifp = ic->ic_ifp;
- const struct firmware *fp;
- const struct ipw_firmware_hdr *hdr;
- const char *imagename, *fw;
- int owned;
+ IPW_LOCK_DECL;
- /*
- * ipw_init() is exposed through ifp->if_init so it might be called
- * without the driver's lock held. Since msleep() doesn't like being
- * called on a recursed mutex, we acquire the driver's lock only if
- * we're not already holding it.
- */
- if (!(owned = mtx_owned(&sc->sc_mtx)))
- mtx_lock(&sc->sc_mtx);
+ DPRINTF(("%s: state %s flags 0x%x\n", __func__,
+ ieee80211_state_name[ic->ic_state], sc->flags));
- /*
- * Avoid re-entrant calls. We need to release the mutex in ipw_init()
- * when loading the firmware and we don't want to be called during this
- * operation.
- */
- if (sc->flags & IPW_FLAG_INIT_LOCKED) {
- if (!owned)
- mtx_unlock(&sc->sc_mtx);
+ if (sc->fw_state == IPW_FW_LOADING)
return;
- }
- sc->flags |= IPW_FLAG_INIT_LOCKED;
- ipw_stop(sc);
+ ipw_stop_locked(sc);
if (ipw_reset(sc) != 0) {
device_printf(sc->sc_dev, "could not reset adapter\n");
- goto fail1;
- }
-
- switch (ic->ic_opmode) {
- case IEEE80211_M_STA:
- imagename = "ipw_bss";
- break;
- case IEEE80211_M_IBSS:
- imagename = "ipw_ibss";
- break;
- case IEEE80211_M_MONITOR:
- imagename = "ipw_monitor";
- break;
- default:
- imagename = NULL; /* should not get there */
+ goto fail;
}
- /*
- * Load firmware image using the firmware(9) subsystem. We need to
- * release the driver's lock first.
- */
- if (sc->sc_firmware == NULL || strcmp(sc->sc_firmware->name,
- imagename) != 0) {
- mtx_unlock(&sc->sc_mtx);
- if (sc->sc_firmware != NULL)
- firmware_put(sc->sc_firmware, FIRMWARE_UNLOAD);
- sc->sc_firmware = firmware_get(imagename);
- mtx_lock(&sc->sc_mtx);
- }
+ IPW_STATE_BEGIN(sc, IPW_FW_LOADING);
- if (sc->sc_firmware == NULL) {
- device_printf(sc->sc_dev,
- "could not load firmware image '%s'\n", imagename);
- goto fail1;
+ IPW_UNLOCK(sc);
+ /* NB: cannot hold lock while loading firmware */
+ if (!ipw_get_firmware(sc)) {
+ IPW_LOCK(sc);
+ goto fail;
}
+ IPW_LOCK(sc);
- fp = sc->sc_firmware;
- if (fp->datasize < sizeof *hdr) {
- device_printf(sc->sc_dev,
- "firmware image too short %zu\n", fp->datasize);
- goto fail2;
+ if (ipw_load_ucode(sc, &sc->fw_ucode) != 0) {
+ device_printf(sc->sc_dev, "could not load microcode\n");
+ goto fail;
}
- hdr = (const struct ipw_firmware_hdr *)fp->data;
-
- if (fp->datasize < sizeof *hdr + le32toh(hdr->mainsz) +
- le32toh(hdr->ucodesz)) {
- device_printf(sc->sc_dev,
- "firmware image too short %zu\n", fp->datasize);
- goto fail2;
- }
-
- fw = (const char *)fp->data + sizeof *hdr + le32toh(hdr->mainsz);
- if (ipw_load_ucode(sc, fw, le32toh(hdr->ucodesz)) != 0) {
- device_printf(sc->sc_dev, "could not load microcode\n");
- goto fail2;
- }
-
- ipw_stop_master(sc);
+ ipw_stop_master(sc);
/*
* Setup tx, rx and status rings.
@@ -2072,12 +2387,10 @@ ipw_init(void *priv)
CSR_WRITE_4(sc, IPW_CSR_STATUS_BASE, sc->status_phys);
- fw = (const char *)fp->data + sizeof *hdr;
- if (ipw_load_firmware(sc, fw, le32toh(hdr->mainsz)) != 0) {
+ if (ipw_load_firmware(sc, &sc->fw_fw) != 0) {
device_printf(sc->sc_dev, "could not load firmware\n");
- goto fail2;
+ goto fail;
}
-
sc->flags |= IPW_FLAG_FW_INITED;
/* retrieve information tables base addresses */
@@ -2088,40 +2401,46 @@ ipw_init(void *priv)
if (ipw_config(sc) != 0) {
device_printf(sc->sc_dev, "device configuration failed\n");
- goto fail1;
+ goto fail;
}
+ if (ic->ic_opmode != IEEE80211_M_MONITOR) {
+ /*
+ * NB: When restarting the adapter clock the state
+ * machine regardless of the roaming mode; otherwise
+ * we need to notify user apps so they can manually
+ * get us going again.
+ */
+ if (ic->ic_roaming != IEEE80211_ROAMING_MANUAL || force)
+ ieee80211_new_state(ic, IEEE80211_S_SCAN, 0);
+ } else
+ ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
+
+ callout_reset(&sc->sc_wdtimer, hz, ipw_watchdog, sc);
ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
ifp->if_drv_flags |= IFF_DRV_RUNNING;
- sc->flags &=~ IPW_FLAG_INIT_LOCKED;
-
- if (!owned)
- mtx_unlock(&sc->sc_mtx);
-
+ IPW_STATE_END(sc, IPW_FW_LOADING);
return;
-fail2: firmware_put(fp, FIRMWARE_UNLOAD);
- sc->sc_firmware = NULL;
-fail1: ifp->if_flags &= ~IFF_UP;
- ipw_stop(sc);
- sc->flags &=~ IPW_FLAG_INIT_LOCKED;
- if (!owned)
- mtx_unlock(&sc->sc_mtx);
+fail:
+ ifp->if_flags &= ~IFF_UP; /* XXX */
+ IPW_STATE_END(sc, IPW_FW_LOADING);
+ ipw_stop_locked(sc);
+ ipw_put_firmware(sc);
}
static void
-ipw_stop(void *priv)
+ipw_stop_locked(struct ipw_softc *sc)
{
- struct ipw_softc *sc = priv;
struct ieee80211com *ic = &sc->sc_ic;
struct ifnet *ifp = ic->ic_ifp;
int i;
- mtx_lock(&sc->sc_mtx);
-
- ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
+ DPRINTF(("%s: state %s flags 0x%x\n", __func__,
+ ieee80211_state_name[ic->ic_state], sc->flags));
+ callout_stop(&sc->sc_wdtimer);
ipw_stop_master(sc);
CSR_WRITE_4(sc, IPW_CSR_RST, IPW_RST_SW_RESET);
@@ -2132,43 +2451,235 @@ ipw_stop(void *priv)
for (i = 0; i < IPW_NTBD; i++)
ipw_release_sbd(sc, &sc->stbd_list[i]);
- sc->sc_tx_timer = 0;
- ifp->if_timer = 0;
ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
- mtx_unlock(&sc->sc_mtx);
+ sc->sc_tx_timer = 0;
+ sc->sc_rfkill_timer = 0;
+ sc->sc_state_timer = 0;
+ sc->flags &= ~(IPW_FLAG_SCANNING | IPW_FLAG_ASSOCIATED);
+ sc->fw_state = IPW_FW_IDLE;
+
+ ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
+}
+
+static void
+ipw_stop(void *priv)
+{
+ struct ipw_softc *sc = priv;
+ IPW_LOCK_DECL;
+
+ IPW_LOCK(sc);
+ ipw_stop_locked(sc);
+ IPW_UNLOCK(sc);
+}
+
+static void
+ipw_restart(void *arg, int pending)
+{
+ struct ipw_softc *sc = arg;
+ IPW_LOCK_DECL;
+
+ IPW_LOCK(sc);
+ ipw_init_locked(sc, 1); /* NB: force state machine */
+ IPW_UNLOCK(sc);
+}
+
+static void
+ipw_getfw(struct ipw_fw *fw, const char *fwname)
+{
+ if (fw->fp == NULL)
+ fw->fp = firmware_get(fwname);
}
static int
-ipw_sysctl_stats(SYSCTL_HANDLER_ARGS)
+ipw_get_firmware(struct ipw_softc *sc)
{
- struct ipw_softc *sc = arg1;
- uint32_t i, size, buf[256];
+ struct ieee80211com *ic = &sc->sc_ic;
+ const struct ipw_firmware_hdr *hdr;
+ const struct firmware *fp;
- if (!(sc->flags & IPW_FLAG_FW_INITED)) {
- memset(buf, 0, sizeof buf);
- return SYSCTL_OUT(req, buf, sizeof buf);
+ /* invalidate cached firmware on mode change */
+ if (sc->fw_mode != ic->ic_opmode)
+ ipw_put_firmware(sc);
+
+ switch (ic->ic_opmode) {
+ case IEEE80211_M_STA:
+ ipw_getfw(&sc->fw_ucode, "ipw_bss");
+ break;
+ case IEEE80211_M_IBSS:
+ ipw_getfw(&sc->fw_ucode, "ipw_ibss");
+ break;
+ case IEEE80211_M_MONITOR:
+ ipw_getfw(&sc->fw_ucode, "ipw_monitor");
+ break;
+ default:
+ break;
+ }
+ fp = sc->fw_ucode.fp;
+ if (fp == NULL) {
+ device_printf(sc->sc_dev, "could not load firmware\n");
+ goto bad;
}
- CSR_WRITE_4(sc, IPW_CSR_AUTOINC_ADDR, sc->table1_base);
+ if (fp->datasize < sizeof *hdr) {
+ device_printf(sc->sc_dev, "firmware image %s too short %zu\n",
+ fp->name, fp->datasize);
+ goto bad;
+ }
- size = min(CSR_READ_4(sc, IPW_CSR_AUTOINC_DATA), 256);
- for (i = 1; i < size; i++)
- buf[i] = MEM_READ_4(sc, CSR_READ_4(sc, IPW_CSR_AUTOINC_DATA));
+ hdr = (const struct ipw_firmware_hdr *)fp->data;
- return SYSCTL_OUT(req, buf, sizeof buf);
+ if (fp->datasize < sizeof *hdr + le32toh(hdr->mainsz) +
+ le32toh(hdr->ucodesz)) {
+ device_printf(sc->sc_dev, "firmware image %s too short %zu\n",
+ fp->name, fp->datasize);
+ goto bad;
+ }
+
+ sc->fw_fw.fp = fp; /* copy for consistenncy */
+ sc->fw_fw.data = (const char *)fp->data + sizeof *hdr;
+ sc->fw_fw.size = le32toh(hdr->mainsz);
+
+ sc->fw_ucode.data = sc->fw_fw.data + sc->fw_fw.size;
+ sc->fw_ucode.size = le32toh(hdr->ucodesz);
+
+ sc->fw_mode = ic->ic_opmode;
+ return 1;
+bad:
+ ipw_put_firmware(sc);
+ return 0;
}
+/*
+ * Release any cached firmware images.
+ */
+static void
+ipw_put_firmware(struct ipw_softc *sc)
+{
+ struct ipw_fw *fw = &sc->fw_ucode;
+
+ if (fw->fp != NULL) {
+ firmware_put(fw->fp, FIRMWARE_UNLOAD);
+ fw->fp = NULL;
+ }
+ fw->data = NULL;
+ fw->size = 0;
+
+ fw = &sc->fw_fw;
+ fw->fp = NULL; /* NB: no need to put, copy of fw_ucode */
+ fw->data = NULL;
+ fw->size = 0;
+}
+
+/*
+ * Upload the microcode to the device.
+ */
static int
-ipw_sysctl_radio(SYSCTL_HANDLER_ARGS)
+ipw_load_ucode(struct ipw_softc *sc, const struct ipw_fw *fw)
{
- struct ipw_softc *sc = arg1;
- int val;
+ const char *uc = fw->data;
+ int size = fw->size;
+ int ntries;
- val = !((sc->flags & IPW_FLAG_HAS_RADIO_SWITCH) &&
- (CSR_READ_4(sc, IPW_CSR_IO) & IPW_IO_RADIO_DISABLED));
+ MEM_WRITE_4(sc, 0x3000e0, 0x80000000);
+ CSR_WRITE_4(sc, IPW_CSR_RST, 0);
- return SYSCTL_OUT(req, &val, sizeof val);
+ MEM_WRITE_2(sc, 0x220000, 0x0703);
+ MEM_WRITE_2(sc, 0x220000, 0x0707);
+
+ MEM_WRITE_1(sc, 0x210014, 0x72);
+ MEM_WRITE_1(sc, 0x210014, 0x72);
+
+ MEM_WRITE_1(sc, 0x210000, 0x40);
+ MEM_WRITE_1(sc, 0x210000, 0x00);
+ MEM_WRITE_1(sc, 0x210000, 0x40);
+
+ MEM_WRITE_MULTI_1(sc, 0x210010, uc, size);
+
+ MEM_WRITE_1(sc, 0x210000, 0x00);
+ MEM_WRITE_1(sc, 0x210000, 0x00);
+ MEM_WRITE_1(sc, 0x210000, 0x80);
+
+ MEM_WRITE_2(sc, 0x220000, 0x0703);
+ MEM_WRITE_2(sc, 0x220000, 0x0707);
+
+ MEM_WRITE_1(sc, 0x210014, 0x72);
+ MEM_WRITE_1(sc, 0x210014, 0x72);
+
+ MEM_WRITE_1(sc, 0x210000, 0x00);
+ MEM_WRITE_1(sc, 0x210000, 0x80);
+
+ for (ntries = 0; ntries < 10; ntries++) {
+ if (MEM_READ_1(sc, 0x210000) & 1)
+ break;
+ DELAY(10);
+ }
+ if (ntries == 10) {
+ device_printf(sc->sc_dev,
+ "timeout waiting for %s ucode to initialize\n",
+ fw->fp->name);
+ return EIO;
+ }
+
+ MEM_WRITE_4(sc, 0x3000e0, 0);
+
+ return 0;
+}
+
+/* unalligned little endian access */
+#define LE_READ_2(p) \
+ ((u_int16_t) \
+ ((((const u_int8_t *)(p))[0] ) | \
+ (((const u_int8_t *)(p))[1] << 8)))
+#define LE_READ_4(p) \
+ ((u_int32_t) \
+ ((((const u_int8_t *)(p))[0] ) | \
+ (((const u_int8_t *)(p))[1] << 8) | \
+ (((const u_int8_t *)(p))[2] << 16) | \
+ (((const u_int8_t *)(p))[3] << 24)))
+
+static int
+ipw_load_firmware(struct ipw_softc *sc, const struct ipw_fw *fw)
+{
+ const uint8_t *p, *end;
+ uint32_t tmp, dst;
+ uint16_t len;
+ int error;
+
+ p = fw->data;
+ end = fw->data + fw->size;
+ while (p < end) {
+ dst = LE_READ_4(p); p += 4;
+ len = LE_READ_2(p); p += 2;
+
+ ipw_write_mem_1(sc, dst, p, len);
+ p += len;
+ }
+
+ CSR_WRITE_4(sc, IPW_CSR_IO, IPW_IO_GPIO1_ENABLE | IPW_IO_GPIO3_MASK |
+ IPW_IO_LED_OFF);
+
+ /* enable interrupts */
+ CSR_WRITE_4(sc, IPW_CSR_INTR_MASK, IPW_INTR_MASK);
+
+ /* kick the firmware */
+ CSR_WRITE_4(sc, IPW_CSR_RST, 0);
+
+ tmp = CSR_READ_4(sc, IPW_CSR_CTL);
+ CSR_WRITE_4(sc, IPW_CSR_CTL, tmp | IPW_CTL_ALLOW_STANDBY);
+
+ /* wait at most one second for firmware initialization to complete */
+ if ((error = msleep(sc, &sc->sc_mtx, 0, "ipwinit", hz)) != 0) {
+ device_printf(sc->sc_dev, "timeout waiting for %s firmware "
+ "initialization to complete\n", fw->fp->name);
+ return error;
+ }
+
+ tmp = CSR_READ_4(sc, IPW_CSR_IO);
+ CSR_WRITE_4(sc, IPW_CSR_IO, tmp | IPW_IO_GPIO1_MASK |
+ IPW_IO_GPIO3_MASK);
+
+ return 0;
}
static uint32_t
@@ -2183,6 +2694,7 @@ ipw_write_table1(struct ipw_softc *sc, u
MEM_WRITE_4(sc, MEM_READ_4(sc, sc->table1_base + off), info);
}
+#if 0
static int
ipw_read_table2(struct ipw_softc *sc, uint32_t off, void *buf, uint32_t *len)
{
@@ -2218,6 +2730,7 @@ ipw_read_mem_1(struct ipw_softc *sc, bus
*datap = CSR_READ_1(sc, IPW_CSR_INDIRECT_DATA + (offset & 3));
}
}
+#endif
static void
ipw_write_mem_1(struct ipw_softc *sc, bus_size_t offset, const uint8_t *datap,
@@ -2228,3 +2741,278 @@ ipw_write_mem_1(struct ipw_softc *sc, bu
CSR_WRITE_1(sc, IPW_CSR_INDIRECT_DATA + (offset & 3), *datap);
}
}
+
+static void
+ipw_ops(void *arg, int npending)
+{
+ struct ipw_softc *sc = arg;
+ struct ieee80211com *ic = &sc->sc_ic;
+ IPW_LOCK_DECL;
+ int cmd;
+
+again:
+ IPW_CMD_LOCK(sc);
+ cmd = sc->sc_cmd[sc->sc_cmd_cur];
+ if (cmd == 0) {
+ /* No more commands to process */
+ IPW_CMD_UNLOCK(sc);
+ return;
+ }
+ sc->sc_cmd[sc->sc_cmd_cur] = 0; /* free the slot */
+ sc->sc_cmd_cur = (sc->sc_cmd_cur + 1) % IPW_CMD_MAXOPS;
+ IPW_CMD_UNLOCK(sc);
+
+ IPW_LOCK(sc);
+ while (sc->fw_state != IPW_FW_IDLE || (sc->flags & IPW_FLAG_BUSY)) {
+ msleep(sc, &sc->sc_mtx, 0, "ipwcmd", hz/10);
+ }
+
+ if (!(sc->sc_ifp->if_drv_flags & IFF_DRV_RUNNING)) {
+ IPW_UNLOCK(sc);
+ return;
+ }
+
+ switch (cmd) {
+ case IPW_ASSOC:
+ ipw_auth_and_assoc(sc);
+ break;
+ case IPW_DISASSOC:
+ ipw_disassociate(sc);
+ break;
+ case IPW_SCAN_START:
+ if (ipw_scan(sc) != 0) {
+ /* XXX should not happen */
+ ieee80211_new_state(ic, IEEE80211_S_INIT, 0);
+ }
+ break;
+ }
+ IPW_UNLOCK(sc);
+
+ /* Take another pass */
+ goto again;
+}
+
+static int
+ipw_queue_cmd(struct ipw_softc *sc, int cmd)
+{
+ IPW_CMD_LOCK(sc);
+ if (sc->sc_cmd[sc->sc_cmd_next] != 0) {
+ IPW_CMD_UNLOCK(sc);
+ DPRINTF(("%s: command %d dropped\n", __func__, cmd));
+ return (EBUSY);
+ }
+
+ sc->sc_cmd[sc->sc_cmd_next] = cmd;
+ sc->sc_cmd_next = (sc->sc_cmd_next + 1) % IPW_CMD_MAXOPS;
+ taskqueue_enqueue(sc->sc_tq, &sc->sc_opstask);
+ IPW_CMD_UNLOCK(sc);
+ return (0);
+}
+
+static void
+ipw_scan_start(struct ieee80211com *ic)
+{
+ struct ifnet *ifp = ic->ic_ifp;
+ struct ipw_softc *sc = ifp->if_softc;
+
+ device_printf(sc->sc_dev, "%s\n", __func__);
+ ipw_queue_cmd(sc, IPW_SCAN_START);
+}
+
+static void
+ipw_set_channel(struct ieee80211com *ic)
+{
+ struct ifnet *ifp = ic->ic_ifp;
+ struct ipw_softc *sc = ifp->if_softc;
+
+ device_printf(sc->sc_dev, "%s\n", __func__);
+}
+
+static void
+ipw_scan_curchan(struct ieee80211com *ic, unsigned long maxdwell)
+{
+ struct ifnet *ifp = ic->ic_ifp;
+ struct ipw_softc *sc = ifp->if_softc;
+
+ device_printf(sc->sc_dev, "%s\n", __func__);
+}
+
+static void
+ipw_scan_mindwell(struct ieee80211com *ic)
+{
+ /* NB: don't try to abort scan; wait for firmware to finish */
+}
+
+static void
+ipw_scan_end(struct ieee80211com *ic)
+{
+ struct ifnet *ifp = ic->ic_ifp;
+ struct ipw_softc *sc = ifp->if_softc;
+
+ device_printf(sc->sc_dev, "%s\n", __func__);
+}
+
+static void
+ipw_assoc(struct ieee80211com *ic)
+{
+ struct ifnet *ifp = ic->ic_ifp;
+ struct ipw_softc *sc = ifp->if_softc;
+
+ /* The firmware will fail if we are already associated */
+ if (sc->flags & IPW_FLAG_ASSOCIATED)
+ ipw_disassoc(ic);
+
+ ipw_queue_cmd(sc, IPW_ASSOC);
+}
+
+static void
+ipw_disassoc(struct ieee80211com *ic)
+{
+ struct ifnet *ifp = ic->ic_ifp;
+ struct ipw_softc *sc = ifp->if_softc;
+
+ ipw_queue_cmd(sc, IPW_DISASSOC);
+}
+
+/*
+ * Read 16 bits at address 'addr' from the serial EEPROM.
+ */
+static uint16_t
+ipw_read_prom_word(struct ipw_softc *sc, uint8_t addr)
+{
+ uint32_t tmp;
+ uint16_t val;
+ int n;
+
+ /* clock C once before the first command */
+ IPW_EEPROM_CTL(sc, 0);
+ IPW_EEPROM_CTL(sc, IPW_EEPROM_S);
+ IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C);
+ IPW_EEPROM_CTL(sc, IPW_EEPROM_S);
+
+ /* write start bit (1) */
+ IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D);
+ IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D | IPW_EEPROM_C);
+
+ /* write READ opcode (10) */
+ IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D);
+ IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_D | IPW_EEPROM_C);
+ IPW_EEPROM_CTL(sc, IPW_EEPROM_S);
+ IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C);
+
+ /* write address A7-A0 */
+ for (n = 7; n >= 0; n--) {
+ IPW_EEPROM_CTL(sc, IPW_EEPROM_S |
+ (((addr >> n) & 1) << IPW_EEPROM_SHIFT_D));
+ IPW_EEPROM_CTL(sc, IPW_EEPROM_S |
+ (((addr >> n) & 1) << IPW_EEPROM_SHIFT_D) | IPW_EEPROM_C);
+ }
+
+ IPW_EEPROM_CTL(sc, IPW_EEPROM_S);
+
+ /* read data Q15-Q0 */
+ val = 0;
+ for (n = 15; n >= 0; n--) {
+ IPW_EEPROM_CTL(sc, IPW_EEPROM_S | IPW_EEPROM_C);
+ IPW_EEPROM_CTL(sc, IPW_EEPROM_S);
+ tmp = MEM_READ_4(sc, IPW_MEM_EEPROM_CTL);
+ val |= ((tmp & IPW_EEPROM_Q) >> IPW_EEPROM_SHIFT_Q) << n;
+ }
+
+ IPW_EEPROM_CTL(sc, 0);
+
+ /* clear Chip Select and clock C */
+ IPW_EEPROM_CTL(sc, IPW_EEPROM_S);
+ IPW_EEPROM_CTL(sc, 0);
+ IPW_EEPROM_CTL(sc, IPW_EEPROM_C);
+
+ return le16toh(val);
+}
+
+/*
+ * Return whether or not the radio is enabled in hardware
+ * (i.e. the rfkill switch is "off").
+ */
+static int
+ipw_getrfkill(struct ipw_softc *sc)
+{
+ return (sc->flags & IPW_FLAG_HAS_RFSWITCH) &&
+ (CSR_READ_4(sc, IPW_CSR_IO) & IPW_IO_RADIO_DISABLED) != 0;
+}
+
+static void
+ipw_radio_on(void *arg, int pending)
+{
+ struct ipw_softc *sc = arg;
+
+ device_printf(sc->sc_dev, "radio turned on\n");
+ ipw_init(sc);
+}
+
+static void
+ipw_radio_off(void *arg, int pending)
+{
+ struct ipw_softc *sc = arg;
+ IPW_LOCK_DECL;
+
+ device_printf(sc->sc_dev, "radio turned off\n");
+ IPW_LOCK(sc);
+ ipw_stop_locked(sc);
+ sc->sc_rfkill_timer = 2;
+ IPW_UNLOCK(sc);
+}
+
+static int
+ipw_sysctl_radio(SYSCTL_HANDLER_ARGS)
+{
+ struct ipw_softc *sc = arg1;
+ int val = !ipw_getrfkill(sc);
+
+ return SYSCTL_OUT(req, &val, sizeof val);
+}
+
+static int
+ipw_sysctl_stats(SYSCTL_HANDLER_ARGS)
+{
+ struct ipw_softc *sc = arg1;
+ uint32_t i, size, buf[256];
+ IPW_LOCK_DECL;
+
+ memset(buf, 0, sizeof(buf));
+ IPW_LOCK(sc);
+ if (sc->flags & IPW_FLAG_FW_INITED) {
+ CSR_WRITE_4(sc, IPW_CSR_AUTOINC_ADDR, sc->table1_base);
+
+ size = min(CSR_READ_4(sc, IPW_CSR_AUTOINC_DATA), 256);
+ for (i = 1; i < size; i++)
+ buf[i] = MEM_READ_4(sc,
+ CSR_READ_4(sc, IPW_CSR_AUTOINC_DATA));
+ }
+ IPW_UNLOCK(sc);
+ return SYSCTL_OUT(req, buf, sizeof buf);
+}
+
+/*
+ * Add sysctl knobs.
+ */
+static void
+ipw_sysctlattach(struct ipw_softc *sc)
+{
+ struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
+ struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
+
+ SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "radio",
+ CTLTYPE_INT | CTLFLAG_RD, sc, 0, ipw_sysctl_radio, "I",
+ "radio transmitter switch state (0=off, 1=on)");
+
+ SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "stats",
+ CTLTYPE_OPAQUE | CTLFLAG_RD, sc, 0, ipw_sysctl_stats, "S",
+ "statistics");
+#if 0
+ /* XXX not implemented (yet) */
+ sc->dwelltime = 100;
+ SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "dwell",
+ CTLFLAG_RW, &sc->dwelltime, 0,
+ "channel dwell time (ms) for AP/station scanning");
+#endif
+}
Index: if_ipwreg.h
===================================================================
RCS file: /home/ncvs/src/sys/dev/ipw/if_ipwreg.h,v
retrieving revision 1.2
diff -u -p -r1.2 if_ipwreg.h
--- if_ipwreg.h 12 Mar 2006 19:01:00 -0000 1.2
+++ if_ipwreg.h 11 Aug 2006 03:34:45 -0000
@@ -88,11 +88,18 @@
#define IPW_IO_LED_OFF 0x00002000
#define IPW_IO_RADIO_DISABLED 0x00010000
+/* state codes sent by fw on IPW_STATUS_CODE_NEWSTATE interrupt */
+#define IPW_STATE_INITIALIZED 0x0001
+#define IPW_STATE_CC_FOUND 0x0002 /* 802.11d cc received */
#define IPW_STATE_ASSOCIATED 0x0004
#define IPW_STATE_ASSOCIATION_LOST 0x0008
+#define IPW_STATE_ASSOCIATION_CHANGED 0x0010 /* assoc params changed? */
#define IPW_STATE_SCAN_COMPLETE 0x0020
-#define IPW_STATE_RADIO_DISABLED 0x0100
+#define IPW_STATE_PS_ENTER 0x0040 /* entered power-save mode */
+#define IPW_STATE_PS_EXIT 0x0080 /* exited power-save mode */
+#define IPW_STATE_RADIO_OFF 0x0100 /* radio switch toggled */
#define IPW_STATE_DISABLED 0x0200
+#define IPW_STATE_POWER_DOWN 0x0400 /* ??? */
#define IPW_STATE_SCANNING 0x0800
/* table1 offsets */
@@ -136,7 +143,7 @@ struct ipw_bd {
/* status */
struct ipw_status {
- uint32_t len;
+ uint32_t len; /* frame size */
uint16_t code;
#define IPW_STATUS_CODE_COMMAND 0
#define IPW_STATUS_CODE_NEWSTATE 1
@@ -146,7 +153,9 @@ struct ipw_status {
uint8_t flags;
#define IPW_STATUS_FLAG_DECRYPTED 0x01
#define IPW_STATUS_FLAG_WEP_ENCRYPTED 0x02
+#define IPW_STATUS_FLAG_CRC_ERROR 0x04
uint8_t rssi; /* received signal strength indicator */
+#define IPW_RSSI_TO_DBM (-98) /* XXX fixed nf to convert dBm */
} __packed;
/* data header */
@@ -190,9 +199,14 @@ struct ipw_cmd {
#define IPW_CMD_DISABLE 44
#define IPW_CMD_SET_DESIRED_BSSID 45
#define IPW_CMD_SET_SCAN_OPTIONS 46
+#define IPW_CMD_SET_SCAN_DWELL_TIME 47
+#define IPW_CMD_SET_SHORT_RETRY 51
+#define IPW_CMD_SET_LONG_RETRY 52
#define IPW_CMD_PREPARE_POWER_DOWN 58
#define IPW_CMD_DISABLE_PHY 61
-#define IPW_CMD_SET_SECURITY_INFORMATION 67
+#define IPW_CMD_SET_MSDU_TX_RATES 62
+#define IPW_CMD_SET_SECURITY_INFO 67
+#define IPW_CMD_DISASSOCIATE 68
#define IPW_CMD_SET_WPA_IE 69
uint32_t subtype;
uint32_t seq;
@@ -204,7 +218,7 @@ struct ipw_cmd {
/* possible values for command IPW_CMD_SET_POWER_MODE */
#define IPW_POWER_MODE_CAM 0
-#define IPW_POWER_AUTOMATIC 6
+#define IPW_POWER_MODE_AUTO 6
/* possible values for command IPW_CMD_SET_MODE */
#define IPW_MODE_BSS 0
@@ -240,9 +254,10 @@ struct ipw_security {
/* structure for command IPW_CMD_SET_SCAN_OPTIONS */
struct ipw_scan_options {
uint32_t flags;
-#define IPW_SCAN_DO_NOT_ASSOCIATE 0x00000001
+#define IPW_SCAN_DO_NOT_ASSOCIATE 0x00000001 /* XXX broken */
+#define IPW_SCAN_MIXED_CELL 0x00000002
#define IPW_SCAN_PASSIVE 0x00000008
- uint32_t channels;
+ uint32_t chanmask;
} __packed;
/* structure for command IPW_CMD_SET_CONFIGURATION */
@@ -264,7 +279,7 @@ struct ipw_wpa_ie {
uint16_t capinfo;
uint16_t lintval;
uint8_t bssid[IEEE80211_ADDR_LEN];
- uint32_t len;
+ uint32_t ielen;
struct ieee80211_ie_wpa ie;
} __packed;
Index: if_ipwvar.h
===================================================================
RCS file: /home/ncvs/src/sys/dev/ipw/if_ipwvar.h,v
retrieving revision 1.6
diff -u -p -r1.6 if_ipwvar.h
--- if_ipwvar.h 15 Feb 2007 17:21:30 -0000 1.6
+++ if_ipwvar.h 12 Jul 2007 09:24:11 -0000
@@ -1,5 +1,3 @@
-/* $FreeBSD: src/sys/dev/ipw/if_ipwvar.h,v 1.6 2007/02/15 17:21:30 luigi Exp $ */
-
/*-
* Copyright (c) 2004-2006
* Damien Bergamini <damien.bergamini at free.fr>. All rights reserved.
@@ -25,6 +23,8 @@
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
+ *
+ * $FreeBSD: src/sys/dev/ipw/if_ipwvar.h,v 1.4 2006/03/12 19:01:00 damien Exp $
*/
#define IPW_MAX_NSEG 1
@@ -63,7 +63,7 @@ struct ipw_rx_radiotap_header {
#define IPW_RX_RADIOTAP_PRESENT \
((1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_CHANNEL) | \
- (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))
+ (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL))
struct ipw_tx_radiotap_header {
struct ieee80211_radiotap_header wt_ihdr;
@@ -76,87 +76,170 @@ struct ipw_tx_radiotap_header {
((1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_CHANNEL))
-struct ipw_softc {
- struct ifnet *sc_ifp;
- struct ieee80211com sc_ic;
- int (*sc_newstate)(struct ieee80211com *,
- enum ieee80211_state, int);
- device_t sc_dev;
-
- struct mtx sc_mtx;
- struct task sc_init_task;
-
- uint32_t flags;
-#define IPW_FLAG_FW_INITED (1 << 0)
-#define IPW_FLAG_INIT_LOCKED (1 << 1)
-#define IPW_FLAG_HAS_RADIO_SWITCH (1 << 2)
-#define IPW_FLAG_FW_WARNED (1 << 3)
-
- int irq_rid;
- int mem_rid;
- struct resource *irq;
- struct resource *mem;
- bus_space_tag_t sc_st;
- bus_space_handle_t sc_sh;
- void *sc_ih;
- const struct firmware *sc_firmware;
-
- int sc_tx_timer;
-
- bus_dma_tag_t tbd_dmat;
- bus_dma_tag_t rbd_dmat;
- bus_dma_tag_t status_dmat;
- bus_dma_tag_t cmd_dmat;
- bus_dma_tag_t hdr_dmat;
- bus_dma_tag_t txbuf_dmat;
- bus_dma_tag_t rxbuf_dmat;
-
- bus_dmamap_t tbd_map;
- bus_dmamap_t rbd_map;
- bus_dmamap_t status_map;
- bus_dmamap_t cmd_map;
-
- bus_addr_t tbd_phys;
- bus_addr_t rbd_phys;
- bus_addr_t status_phys;
-
- struct ipw_bd *tbd_list;
- struct ipw_bd *rbd_list;
- struct ipw_status *status_list;
-
- struct ipw_cmd cmd;
- struct ipw_soft_bd stbd_list[IPW_NTBD];
- struct ipw_soft_buf tx_sbuf_list[IPW_NDATA];
- struct ipw_soft_hdr shdr_list[IPW_NDATA];
- struct ipw_soft_bd srbd_list[IPW_NRBD];
- struct ipw_soft_buf rx_sbuf_list[IPW_NRBD];
-
- SLIST_HEAD(, ipw_soft_hdr) free_shdr;
- SLIST_HEAD(, ipw_soft_buf) free_sbuf;
-
- uint32_t table1_base;
- uint32_t table2_base;
-
- uint32_t txcur;
- uint32_t txold;
- uint32_t rxcur;
- int txfree;
-
- int dwelltime;
+struct ipw_fw {
+ const struct firmware *fp; /* image handle */
+ const char *data; /* firmware image data */
+ size_t size; /* firmware image size */
+};
- struct bpf_if *sc_drvbpf;
+struct ipw_softc {
+ struct ifnet *sc_ifp;
+ struct ieee80211com sc_ic;
+ int (*sc_newstate)(struct ieee80211com *,
+ enum ieee80211_state, int);
+ device_t sc_dev;
+
+ struct mtx sc_mtx;
+ struct mtx sc_cmdlock;
+ char sc_cmdname[12]; /* e.g. "ipw0_cmd" */
+ struct taskqueue *sc_tq; /* private task queue */
+#if __FreeBSD_version < 700000
+ struct proc *sc_tqproc;
+#endif
+ struct task sc_opstask;
+ struct task sc_radiontask; /* radio on processing */
+ struct task sc_radiofftask; /* radio off processing */
+ struct task sc_assoclosttask;/* assoc lost processing */
+ struct task sc_restarttask; /* restart adapter processing */
+ struct callout sc_wdtimer; /* watchdog timer */
+
+ uint32_t flags;
+#define IPW_FLAG_FW_INITED 0x00000002 /* firmware initialized */
+#define IPW_FLAG_SCANNING 0x00000004 /* busy scanning */
+#define IPW_FLAG_BUSY 0x00000008 /* busy sending a command */
+#define IPW_FLAG_ASSOCIATED 0x00000010 /* currently associated */
+#define IPW_FLAG_ENABLED 0x00000020 /* adapter enabled */
+#define IPW_FLAG_HAS_RFSWITCH 0x00010000 /* rfkill switch present */
+#define IPW_FLAG_HACK 0x00020000
+ uint32_t fw_state;
+#define IPW_FW_IDLE 0
+#define IPW_FW_LOADING 1
+#define IPW_FW_ASSOCIATING 2
+#define IPW_FW_DISASSOCIATING 3
+#define IPW_FW_SCANNING 4
+
+ int irq_rid;
+ int mem_rid;
+ struct resource *irq;
+ struct resource *mem;
+ bus_space_tag_t sc_st;
+ bus_space_handle_t sc_sh;
+ void *sc_ih;
+
+ enum ieee80211_opmode fw_mode; /* mode of current firmware */
+ struct ipw_fw fw_ucode; /* cached microcode */
+ struct ipw_fw fw_fw; /* cached firmware */
+
+ bus_dma_tag_t tbd_dmat;
+ bus_dma_tag_t rbd_dmat;
+ bus_dma_tag_t status_dmat;
+ bus_dma_tag_t cmd_dmat;
+ bus_dma_tag_t hdr_dmat;
+ bus_dma_tag_t txbuf_dmat;
+ bus_dma_tag_t rxbuf_dmat;
+
+ bus_dmamap_t tbd_map;
+ bus_dmamap_t rbd_map;
+ bus_dmamap_t status_map;
+ bus_dmamap_t cmd_map;
+
+ bus_addr_t tbd_phys;
+ bus_addr_t rbd_phys;
+ bus_addr_t status_phys;
+
+ struct ipw_bd *tbd_list;
+ struct ipw_bd *rbd_list;
+ struct ipw_status *status_list;
+
+ struct ipw_cmd cmd;
+ struct ipw_soft_bd stbd_list[IPW_NTBD];
+ struct ipw_soft_buf tx_sbuf_list[IPW_NDATA];
+ struct ipw_soft_hdr shdr_list[IPW_NDATA];
+ struct ipw_soft_bd srbd_list[IPW_NRBD];
+ struct ipw_soft_buf rx_sbuf_list[IPW_NRBD];
+
+ SLIST_HEAD(, ipw_soft_hdr) free_shdr;
+ SLIST_HEAD(, ipw_soft_buf) free_sbuf;
+
+ uint32_t table1_base;
+ uint32_t table2_base;
+
+ uint32_t txcur;
+ uint32_t txold;
+ uint32_t rxcur;
+ int txfree;
+
+ int chanmask; /* supported channels */
+ int dwelltime;
+
+ int sc_tx_timer;
+ int sc_rfkill_timer;/* poll for rfkill change */
+ int sc_state_timer;
+
+#define IPW_SCAN_START (1 << 0)
+#define IPW_SET_CHANNEL (1 << 1)
+#define IPW_ASSOC (1 << 2)
+#define IPW_DISASSOC (1 << 3)
+#define IPW_CMD_MAXOPS 10
+ int sc_cmd[IPW_CMD_MAXOPS];
+ int sc_cmd_cur; /* current queued scan task */
+ int sc_cmd_next; /* last queued scan task */
+ struct bpf_if *sc_drvbpf;
union {
struct ipw_rx_radiotap_header th;
uint8_t pad[64];
} sc_rxtapu;
#define sc_rxtap sc_rxtapu.th
- int sc_rxtap_len;
+ int sc_rxtap_len;
union {
struct ipw_tx_radiotap_header th;
uint8_t pad[64];
} sc_txtapu;
#define sc_txtap sc_txtapu.th
- int sc_txtap_len;
+ int sc_txtap_len;
};
+
+#define IPW_STATE_BEGIN(_sc, _state) do { \
+ KASSERT(_sc->fw_state == IPW_FW_IDLE, \
+ ("ipw firmware not idle")); \
+ _sc->fw_state = _state; \
+ _sc->sc_state_timer = 5; \
+ DPRINTF(("enter FW state %d\n", _state)); \
+} while (0)
+
+#define IPW_STATE_END(_sc, _state) do { \
+ if (_sc->fw_state == _state) \
+ DPRINTF(("exit FW state %d\n", _state)); \
+ else \
+ DPRINTF(("expected FW state %d, got %d\n", \
+ _state, _sc->fw_state)); \
+ _sc->fw_state = IPW_FW_IDLE; \
+ wakeup(_sc); \
+ _sc->sc_state_timer = 0; \
+} while (0)
+
+/*
+ * NB.: This models the only instance of async locking in ipw_init_locked
+ * and must be kept in sync.
+ */
+#define IPW_LOCK_DECL int __waslocked = 0
+#define IPW_LOCK(sc) do { \
+ if (!(__waslocked = mtx_owned(&(sc)->sc_mtx))) \
+ mtx_lock(&sc->sc_mtx); \
+} while (0)
+#define IPW_UNLOCK(sc) do { \
+ if (!__waslocked) \
+ mtx_unlock(&sc->sc_mtx); \
+} while (0)
+#define IPW_LOCK_ASSERT(sc) mtx_assert(&(sc)->sc_mtx, MA_OWNED)
+#define IPW_CMD_LOCK_INIT(sc) do { \
+ snprintf((sc)->sc_cmdname, sizeof((sc)->sc_cmdname), "%s_cmd", \
+ device_get_nameunit((sc)->sc_dev)); \
+ mtx_init(&(sc)->sc_cmdlock, (sc)->sc_cmdname, NULL, MTX_DEF); \
+} while (0)
+#define IPW_CMD_LOCK_DESTROY(sc) mtx_destroy(&(sc)->sc_cmdlock)
+#define IPW_CMD_LOCK(sc) mtx_lock(&(sc)->sc_cmdlock)
+#define IPW_CMD_UNLOCK(sc) mtx_unlock(&(sc)->sc_cmdlock)
+
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