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Date:      Tue, 24 Feb 2009 18:17:35 GMT
From:      Andrew Thompson <thompsa@FreeBSD.org>
To:        Perforce Change Reviews <perforce@freebsd.org>
Subject:   PERFORCE change 158215 for review
Message-ID:  <200902241817.n1OIHZpx010257@repoman.freebsd.org>

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http://perforce.freebsd.org/chv.cgi?CH=158215

Change 158215 by thompsa@thompsa_burger on 2009/02/24 18:17:28

	Restore the last of the unmerged P4 changes.

Affected files ...

.. //depot/projects/usb/src/sys/dev/usb/wlan/if_rum.c#2 edit
.. //depot/projects/usb/src/sys/dev/usb/wlan/if_rumfw.h#2 edit
.. //depot/projects/usb/src/sys/dev/usb/wlan/if_rumreg.h#2 edit
.. //depot/projects/usb/src/sys/dev/usb/wlan/if_rumvar.h#2 edit
.. //depot/projects/usb/src/sys/dev/usb/wlan/if_ural.c#2 edit
.. //depot/projects/usb/src/sys/dev/usb/wlan/if_uralreg.h#2 edit
.. //depot/projects/usb/src/sys/dev/usb/wlan/if_uralvar.h#2 edit
.. //depot/projects/usb/src/sys/dev/usb/wlan/if_zyd.c#2 edit
.. //depot/projects/usb/src/sys/dev/usb/wlan/if_zydfw.h#2 edit
.. //depot/projects/usb/src/sys/dev/usb/wlan/if_zydreg.h#2 edit
.. //depot/projects/usb/src/sys/dev/usb/wlan/usb_wlan.h#2 edit

Differences ...

==== //depot/projects/usb/src/sys/dev/usb/wlan/if_rum.c#2 (text+ko) ====

@@ -1,9 +1,9 @@
-/*	$FreeBSD: src/sys/dev/usb/wlan/if_rum.c,v 1.3 2009/02/24 17:15:29 ed Exp $	*/
+/*	$FreeBSD: src/sys/dev/usb2/wlan/if_rum2.c,v 1.12 2009/02/09 22:18:11 thompsa Exp $	*/
 
 /*-
  * Copyright (c) 2005-2007 Damien Bergamini <damien.bergamini@free.fr>
  * Copyright (c) 2006 Niall O'Higgins <niallo@openbsd.org>
- * Copyright (c) 2007-2008 Hans Petter Selasky <hselasky@FreeBSD.org>
+ * Copyright (c) 2007-2008 Hans Petter Selasky <hselasky@freebsd.org>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -19,32 +19,32 @@
  */
 
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/sys/dev/usb/wlan/if_rum.c,v 1.3 2009/02/24 17:15:29 ed Exp $");
+__FBSDID("$FreeBSD: src/sys/dev/usb2/wlan/if_rum2.c,v 1.12 2009/02/09 22:18:11 thompsa Exp $");
 
 /*-
  * Ralink Technology RT2501USB/RT2601USB chipset driver
  * http://www.ralinktech.com.tw/
  */
 
-#include "usbdevs.h"
-#include <dev/usb/usb.h>
-#include <dev/usb/usb_mfunc.h>
-#include <dev/usb/usb_error.h>
+#include <dev/usb2/include/usb2_devid.h>
+#include <dev/usb2/include/usb2_standard.h>
+#include <dev/usb2/include/usb2_mfunc.h>
+#include <dev/usb2/include/usb2_error.h>
 
 #define	USB_DEBUG_VAR rum_debug
 
-#include <dev/usb/usb_core.h>
-#include <dev/usb/usb_lookup.h>
-#include <dev/usb/usb_process.h>
-#include <dev/usb/usb_debug.h>
-#include <dev/usb/usb_request.h>
-#include <dev/usb/usb_busdma.h>
-#include <dev/usb/usb_util.h>
+#include <dev/usb2/core/usb2_core.h>
+#include <dev/usb2/core/usb2_lookup.h>
+#include <dev/usb2/core/usb2_process.h>
+#include <dev/usb2/core/usb2_debug.h>
+#include <dev/usb2/core/usb2_request.h>
+#include <dev/usb2/core/usb2_busdma.h>
+#include <dev/usb2/core/usb2_util.h>
 
-#include <dev/usb/wlan/usb_wlan.h>
-#include <dev/usb/wlan/if_rumreg.h>
-#include <dev/usb/wlan/if_rumvar.h>
-#include <dev/usb/wlan/if_rumfw.h>
+#include <dev/usb2/wlan/usb2_wlan.h>
+#include <dev/usb2/wlan/if_rumreg.h>
+#include <dev/usb2/wlan/if_rumvar.h>
+#include <dev/usb2/wlan/if_rumfw.h>
 
 #if USB_DEBUG
 static int rum_debug = 0;
@@ -54,9 +54,6 @@
     "Debug level");
 #endif
 
-#define	rum_do_request(sc,req,data) \
-  usb2_do_request_proc((sc)->sc_udev, &(sc)->sc_tq, req, data, 0, NULL, 5000)
-
 static const struct usb2_device_id rum_devs[] = {
     { USB_VP(USB_VENDOR_ABOCOM,		USB_PRODUCT_ABOCOM_HWU54DM) },
     { USB_VP(USB_VENDOR_ABOCOM,		USB_PRODUCT_ABOCOM_RT2573_2) },
@@ -109,7 +106,8 @@
 
 MODULE_DEPEND(rum, wlan, 1, 1, 1);
 MODULE_DEPEND(rum, wlan_amrr, 1, 1, 1);
-MODULE_DEPEND(rum, usb, 1, 1, 1);
+MODULE_DEPEND(rum, usb2_wlan, 1, 1, 1);
+MODULE_DEPEND(rum, usb2_core, 1, 1, 1);
 
 static device_probe_t rum_match;
 static device_attach_t rum_attach;
@@ -118,6 +116,7 @@
 static usb2_callback_t rum_bulk_read_callback;
 static usb2_callback_t rum_bulk_write_callback;
 
+static usb2_proc_callback_t rum_command_wrapper;
 static usb2_proc_callback_t rum_attach_post;
 static usb2_proc_callback_t rum_task;
 static usb2_proc_callback_t rum_scantask;
@@ -125,7 +124,10 @@
 static usb2_proc_callback_t rum_amrr_task;
 static usb2_proc_callback_t rum_init_task;
 static usb2_proc_callback_t rum_stop_task;
+static usb2_proc_callback_t rum_flush_task;
 
+static usb2_error_t	rum_do_request(struct rum_softc *sc,
+			    struct usb2_device_request *req, void *data);
 static struct ieee80211vap *rum_vap_create(struct ieee80211com *,
 			    const char name[IFNAMSIZ], int unit, int opmode,
 			    int flags, const uint8_t bssid[IEEE80211_ADDR_LEN],
@@ -153,8 +155,8 @@
 static uint32_t		rum_read(struct rum_softc *, uint16_t);
 static void		rum_read_multi(struct rum_softc *, uint16_t, void *,
 			    int);
-static void		rum_write(struct rum_softc *, uint16_t, uint32_t);
-static void		rum_write_multi(struct rum_softc *, uint16_t, void *,
+static usb2_error_t	rum_write(struct rum_softc *, uint16_t, uint32_t);
+static usb2_error_t	rum_write_multi(struct rum_softc *, uint16_t, void *,
 			    size_t);
 static void		rum_bbp_write(struct rum_softc *, uint8_t, uint8_t);
 static uint8_t		rum_bbp_read(struct rum_softc *, uint8_t);
@@ -171,11 +173,13 @@
 static void		rum_update_slot(struct ifnet *);
 static void		rum_set_bssid(struct rum_softc *, const uint8_t *);
 static void		rum_set_macaddr(struct rum_softc *, const uint8_t *);
+static void		rum_update_mcast(struct ifnet *);
+static void		rum_update_promisc(struct ifnet *);
 static const char	*rum_get_rf(int);
 static void		rum_read_eeprom(struct rum_softc *);
 static int		rum_bbp_init(struct rum_softc *);
 static void		rum_init(void *);
-static int		rum_load_microcode(struct rum_softc *, const u_char *,
+static void		rum_load_microcode(struct rum_softc *, const uint8_t *,
 			    size_t);
 static int		rum_prepare_beacon(struct rum_softc *,
 			    struct ieee80211vap *);
@@ -191,7 +195,7 @@
 static void		rum_amrr_start(struct rum_softc *,
 			    struct ieee80211_node *);
 static void		rum_amrr_timeout(void *);
-static int		rum_pause(struct rum_softc *, int);
+static uint8_t		rum_pause(struct rum_softc *, unsigned int);
 static void		rum_queue_command(struct rum_softc *,
 			    usb2_proc_callback_t *, struct usb2_proc_msg *,
 			    struct usb2_proc_msg *);
@@ -405,6 +409,8 @@
 	mtx_init(&sc->sc_mtx, device_get_nameunit(self),
 	    MTX_NETWORK_LOCK, MTX_DEF);
 
+	cv_init(&sc->sc_cmd_cv, "wtxdone");
+
 	iface_index = RT2573_IFACE_INDEX;
 	error = usb2_transfer_setup(uaa->device, &iface_index,
 	    sc->sc_xfer, rum_config, RUM_N_TRANSFER, sc, &sc->sc_mtx);
@@ -441,12 +447,11 @@
 	struct ifnet *ifp;
 	struct ieee80211com *ic;
 	unsigned int ntries;
-	int error;
 	uint32_t tmp;
 	uint8_t bands;
 
 	/* retrieve RT2573 rev. no */
-	for (ntries = 0; ntries < 100; ntries++) {
+	for (ntries = 0; ntries != 100; ntries++) {
 		if ((tmp = rum_read(sc, RT2573_MAC_CSR0)) != 0)
 			break;
 		if (rum_pause(sc, hz / 100))
@@ -463,12 +468,12 @@
 	device_printf(sc->sc_dev, "MAC/BBP RT2573 (rev 0x%05x), RF %s\n",
 	    tmp, rum_get_rf(sc->rf_rev));
 
-	error = rum_load_microcode(sc, rt2573_ucode, sizeof(rt2573_ucode));
-	if (error != 0) {
-		RUM_UNLOCK(sc);
-		device_printf(sc->sc_dev, "could not load 8051 microcode\n");
+	rum_load_microcode(sc, rt2573_ucode, sizeof(rt2573_ucode));
+
+	/* XXX WLAN race --hps */
+	if (usb2_proc_is_gone(&sc->sc_tq))
 		return;
-	}
+
 	RUM_UNLOCK(sc);
 
 	ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211);
@@ -514,6 +519,8 @@
 	ieee80211_init_channels(ic, NULL, &bands);
 
 	ieee80211_ifattach(ic);
+	ic->ic_update_mcast = rum_update_mcast;
+	ic->ic_update_promisc = rum_update_promisc;
 	ic->ic_newassoc = rum_newassoc;
 	ic->ic_raw_xmit = rum_raw_xmit;
 	ic->ic_node_alloc = rum_node_alloc;
@@ -569,11 +576,31 @@
 		if_free(ifp);
 	}
 
+	cv_destroy(&sc->sc_cmd_cv);
+
 	mtx_destroy(&sc->sc_mtx);
 
 	return (0);
 }
 
+static usb2_error_t
+rum_do_request(struct rum_softc *sc,
+    struct usb2_device_request *req, void *data)
+{
+	usb2_error_t err;
+retry:
+	err = usb2_do_request_proc(sc->sc_udev, &sc->sc_tq, 
+	   req, data, 0, NULL, 250 /* ms */);
+
+	if (err) {
+		DPRINTFN(1, "Control request failed, "
+		    "%s! (ignored)\n", usb2_errstr(err));
+		if ((sc->sc_ifp != NULL) && (!rum_pause(sc, hz / 100)))
+			goto retry;
+	}
+	return (err);
+}
+
 static struct ieee80211vap *
 rum_vap_create(struct ieee80211com *ic,
 	const char name[IFNAMSIZ], int unit, int opmode, int flags,
@@ -613,10 +640,32 @@
 }
 
 static void
+rum_flush_task(struct usb2_proc_msg *pm)
+{
+	struct rum_task *task = (struct rum_task *)pm;
+	struct rum_softc *sc = task->sc;
+	struct ifnet *ifp = sc->sc_ifp;
+	struct ieee80211com *ic = ifp->if_l2com;
+	struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
+	struct rum_vap *rvp = RUM_VAP(vap);
+
+  	/* callout it stopped */
+	usb2_callout_stop(&rvp->amrr_ch);
+}
+
+static void
 rum_vap_delete(struct ieee80211vap *vap)
 {
 	struct rum_vap *rvp = RUM_VAP(vap);
+	struct rum_softc *sc = rvp->sc;
 
+	RUM_LOCK(sc);
+	/* wait for any pending tasks to complete */
+	rum_queue_command(sc, rum_flush_task,
+	    &sc->sc_synctask[0].hdr,
+	    &sc->sc_synctask[1].hdr);
+	RUM_UNLOCK(sc);
+
 	usb2_callout_drain(&rvp->amrr_ch);
 	ieee80211_amrr_cleanup(&rvp->amrr);
 	ieee80211_vap_detach(vap);
@@ -639,7 +688,6 @@
 		data->ni = NULL;
 	}
 	STAILQ_INSERT_TAIL(&sc->tx_free, data, next);
-	sc->tx_nfree++;
 }
 
 static void
@@ -648,7 +696,6 @@
 	struct rum_tx_data *data;
 	int i;
 
-	sc->tx_nfree = 0;
 	STAILQ_INIT(&sc->tx_q);
 	STAILQ_INIT(&sc->tx_free);
 
@@ -657,7 +704,6 @@
 
 		data->sc = sc;
 		STAILQ_INSERT_TAIL(&sc->tx_free, data, next);
-		sc->tx_nfree++;
 	}
 }
 
@@ -668,7 +714,6 @@
 	int i;
 
 	/* make sure any subsequent use of the queues will fail */
-	sc->tx_nfree = 0;
 	STAILQ_INIT(&sc->tx_q);
 	STAILQ_INIT(&sc->tx_free);
 
@@ -698,12 +743,19 @@
 	struct rum_vap *rvp = RUM_VAP(vap);
 	const struct ieee80211_txparam *tp;
 	enum ieee80211_state ostate;
+	enum ieee80211_state nstate;
 	struct ieee80211_node *ni;
+	int arg;
 	uint32_t tmp;
 
 	ostate = vap->iv_state;
+	nstate = sc->sc_state;
+	arg = sc->sc_arg;
+
+	/* callout it stopped */
+	usb2_callout_stop(&rvp->amrr_ch);
 
-	switch (sc->sc_state) {
+	switch (nstate) {
 	case IEEE80211_S_INIT:
 		if (ostate == IEEE80211_S_RUN) {
 			/* abort TSF synchronization */
@@ -740,11 +792,17 @@
 		break;
 	}
 
+	/* sanity checks */
+	if (nstate == IEEE80211_S_INIT)
+		return;
+	if (nstate != sc->sc_state)
+		return;
+
 	RUM_UNLOCK(sc);
 	IEEE80211_LOCK(ic);
-	rvp->newstate(vap, sc->sc_state, sc->sc_arg);
+	rvp->newstate(vap, nstate, arg);
 	if (vap->iv_newstate_cb != NULL)
-		vap->iv_newstate_cb(vap, sc->sc_state, sc->sc_arg);
+		vap->iv_newstate_cb(vap, nstate, arg);
 	IEEE80211_UNLOCK(ic);
 	RUM_LOCK(sc);
 }
@@ -761,23 +819,19 @@
 		ieee80211_state_name[nstate]);
 
 	RUM_LOCK(sc);
-	usb2_callout_stop(&rvp->amrr_ch);
-
 	/* do it in a process context */
 	sc->sc_state = nstate;
 	sc->sc_arg = arg;
+	rum_queue_command(sc, rum_task,
+	    &sc->sc_task[0].hdr,
+	    &sc->sc_task[1].hdr);
 	RUM_UNLOCK(sc);
 
 	if (nstate == IEEE80211_S_INIT) {
 		rvp->newstate(vap, nstate, arg);
 		return 0;
-	} else {
-		RUM_LOCK(sc);
-		rum_queue_command(sc, rum_task, &sc->sc_task[0].hdr,
-		    &sc->sc_task[1].hdr);
-		RUM_UNLOCK(sc);
-		return EINPROGRESS;
 	}
+	return (EINPROGRESS);
 }
 
 static void
@@ -791,6 +845,10 @@
 	struct mbuf *m;
 	unsigned int len;
 
+	/* wakeup waiting command, if any */
+	if (sc->sc_last_task != NULL)
+		cv_signal(&sc->sc_cmd_cv);
+
 	switch (USB_GET_STATE(xfer)) {
 	case USB_ST_TRANSFERRED:
 		DPRINTFN(11, "transfer complete, %d bytes\n", xfer->actlen);
@@ -801,11 +859,14 @@
 		xfer->priv_fifo = NULL;
 
 		ifp->if_opackets++;
-		ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
 
 		/* FALLTHROUGH */
 	case USB_ST_SETUP:
 tr_setup:
+		/* wait for command to complete, if any */
+		if (sc->sc_last_task != NULL)
+			break;
+
 		data = STAILQ_FIRST(&sc->tx_q);
 		if (data) {
 			STAILQ_REMOVE_HEAD(&sc->tx_q, next);
@@ -1042,8 +1103,6 @@
 	}
 }
 
-#define RUM_TX_TIMEOUT	5000
-
 static int
 rum_sendprot(struct rum_softc *sc,
     const struct mbuf *m, struct ieee80211_node *ni, int prot, int rate)
@@ -1079,11 +1138,14 @@
 	}
 	if (mprot == NULL) {
 		/* XXX stat + msg */
-		return ENOBUFS;
+		return (ENOBUFS);
 	}
 	data = STAILQ_FIRST(&sc->tx_free);
+	if (data == NULL) {
+		m_freem(mprot);
+		return (ENOBUFS);
+	}
 	STAILQ_REMOVE_HEAD(&sc->tx_free, next);
-	sc->tx_nfree--;
 
 	data->m = mprot;
 	data->ni = ieee80211_ref_node(ni);
@@ -1112,8 +1174,11 @@
 	RUM_LOCK_ASSERT(sc, MA_OWNED);
 
 	data = STAILQ_FIRST(&sc->tx_free);
+	if (data == NULL) {
+		m_freem(m0);
+		return (ENOBUFS);
+	}
 	STAILQ_REMOVE_HEAD(&sc->tx_free, next);
-	sc->tx_nfree--;
 
 	wh = mtod(m0, struct ieee80211_frame *);
 	if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
@@ -1153,7 +1218,7 @@
 	STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
 	usb2_transfer_start(sc->sc_xfer[RUM_BULK_WR]);
 
-	return 0;
+	return (0);
 }
 
 static int
@@ -1167,6 +1232,13 @@
 	RUM_LOCK_ASSERT(sc, MA_OWNED);
 	KASSERT(params != NULL, ("no raw xmit params"));
 
+	data = STAILQ_FIRST(&sc->tx_free);
+	if (data == NULL) {
+		m_freem(m0);
+		return (ENOBUFS);
+	}
+	STAILQ_REMOVE_HEAD(&sc->tx_free, next);
+
 	rate = params->ibp_rate0 & IEEE80211_RATE_VAL;
 	/* XXX validate */
 	if (rate == 0) {
@@ -1181,17 +1253,13 @@
 		    params->ibp_flags & IEEE80211_BPF_RTS ?
 			 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_CTSONLY,
 		    rate);
-		if (error || sc->tx_nfree == 0) {
+		if (error) {
 			m_freem(m0);
-			return ENOBUFS;
+			return error;
 		}
 		flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS;
 	}
 
-	data = STAILQ_FIRST(&sc->tx_free);
-	STAILQ_REMOVE_HEAD(&sc->tx_free, next);
-	sc->tx_nfree--;
-
 	data->m = m0;
 	data->ni = ni;
 	data->rate = rate;
@@ -1254,17 +1322,20 @@
 			prot = ic->ic_protmode;
 		if (prot != IEEE80211_PROT_NONE) {
 			error = rum_sendprot(sc, m0, ni, prot, rate);
-			if (error || sc->tx_nfree == 0) {
+			if (error) {
 				m_freem(m0);
-				return ENOBUFS;
+				return error;
 			}
 			flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS;
 		}
 	}
 
 	data = STAILQ_FIRST(&sc->tx_free);
+	if (data == NULL) {
+		m_freem(m0);
+		return (ENOBUFS);
+	}
 	STAILQ_REMOVE_HEAD(&sc->tx_free, next);
-	sc->tx_nfree--;
 
 	data->m = m0;
 	data->ni = ni;
@@ -1295,6 +1366,7 @@
 {
 	struct rum_softc *sc = ifp->if_softc;
 	struct ieee80211_node *ni;
+	struct rum_tx_data *data;
 	struct mbuf *m;
 
 	RUM_LOCK(sc);
@@ -1306,15 +1378,19 @@
 		IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
 		if (m == NULL)
 			break;
-		if (sc->tx_nfree < RUM_TX_MINFREE) {
-			IFQ_DRV_PREPEND(&ifp->if_snd, m);
-			ifp->if_drv_flags |= IFF_DRV_OACTIVE;
-			break;
+		ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
+		data = STAILQ_FIRST(&sc->tx_free);
+		if ((data == NULL) || (STAILQ_NEXT(data, next) == NULL)) {
+			/* last slot is reserved for mgt frame */
+			m_freem(m);
+			ieee80211_free_node(ni);
+			ifp->if_oerrors++;
+			continue;
 		}
-		ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
 		m = ieee80211_encap(ni, m);
 		if (m == NULL) {
 			ieee80211_free_node(ni);
+			ifp->if_oerrors++;
 			continue;
 		}
 		if (rum_tx_data(sc, m, ni) != 0) {
@@ -1375,7 +1451,6 @@
 rum_eeprom_read(struct rum_softc *sc, uint16_t addr, void *buf, int len)
 {
 	struct usb2_device_request req;
-	usb2_error_t error;
 
 	req.bmRequestType = UT_READ_VENDOR_DEVICE;
 	req.bRequest = RT2573_READ_EEPROM;
@@ -1383,11 +1458,7 @@
 	USETW(req.wIndex, addr);
 	USETW(req.wLength, len);
 
-	error = rum_do_request(sc, &req, buf);
-	if (error != 0) {
-		device_printf(sc->sc_dev, "could not read EEPROM: %s\n",
-		    usb2_errstr(error));
-	}
+	rum_do_request(sc, &req, buf);
 }
 
 static uint32_t
@@ -1404,7 +1475,6 @@
 rum_read_multi(struct rum_softc *sc, uint16_t reg, void *buf, int len)
 {
 	struct usb2_device_request req;
-	usb2_error_t error;
 
 	req.bmRequestType = UT_READ_VENDOR_DEVICE;
 	req.bRequest = RT2573_READ_MULTI_MAC;
@@ -1412,27 +1482,21 @@
 	USETW(req.wIndex, reg);
 	USETW(req.wLength, len);
 
-	error = rum_do_request(sc, &req, buf);
-	if (error != 0) {
-		device_printf(sc->sc_dev,
-		    "could not multi read MAC register: %s\n",
-		    usb2_errstr(error));
-	}
+	rum_do_request(sc, &req, buf);
 }
 
-static void
+static usb2_error_t
 rum_write(struct rum_softc *sc, uint16_t reg, uint32_t val)
 {
 	uint32_t tmp = htole32(val);
 
-	rum_write_multi(sc, reg, &tmp, sizeof tmp);
+	return (rum_write_multi(sc, reg, &tmp, sizeof tmp));
 }
 
-static void
+static usb2_error_t
 rum_write_multi(struct rum_softc *sc, uint16_t reg, void *buf, size_t len)
 {
 	struct usb2_device_request req;
-	usb2_error_t error;
 
 	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 	req.bRequest = RT2573_WRITE_MULTI_MAC;
@@ -1440,12 +1504,7 @@
 	USETW(req.wIndex, reg);
 	USETW(req.wLength, len);
 
-	error = rum_do_request(sc, &req, buf);
-	if (error != 0) {
-		device_printf(sc->sc_dev,
-		    "could not multi write MAC register: %s\n",
-		    usb2_errstr(error));
-	}
+	return (rum_do_request(sc, &req, buf));
 }
 
 static void
@@ -1454,7 +1513,9 @@
 	uint32_t tmp;
 	int ntries;
 
-	for (ntries = 0; ntries < 100; ntries++) {
+	DPRINTFN(2, "reg=0x%08x\n", reg);
+
+	for (ntries = 0; ntries != 100; ntries++) {
 		if (!(rum_read(sc, RT2573_PHY_CSR3) & RT2573_BBP_BUSY))
 			break;
 		if (rum_pause(sc, hz / 100))
@@ -1475,7 +1536,9 @@
 	uint32_t val;
 	int ntries;
 
-	for (ntries = 0; ntries < 100; ntries++) {
+	DPRINTFN(2, "reg=0x%08x\n", reg);
+
+	for (ntries = 0; ntries != 100; ntries++) {
 		if (!(rum_read(sc, RT2573_PHY_CSR3) & RT2573_BBP_BUSY))
 			break;
 		if (rum_pause(sc, hz / 100))
@@ -1489,7 +1552,7 @@
 	val = RT2573_BBP_BUSY | RT2573_BBP_READ | reg << 8;
 	rum_write(sc, RT2573_PHY_CSR3, val);
 
-	for (ntries = 0; ntries < 100; ntries++) {
+	for (ntries = 0; ntries != 100; ntries++) {
 		val = rum_read(sc, RT2573_PHY_CSR3);
 		if (!(val & RT2573_BBP_BUSY))
 			return val & 0xff;
@@ -1507,7 +1570,7 @@
 	uint32_t tmp;
 	int ntries;
 
-	for (ntries = 0; ntries < 100; ntries++) {
+	for (ntries = 0; ntries != 100; ntries++) {
 		if (!(rum_read(sc, RT2573_PHY_CSR4) & RT2573_RF_BUSY))
 			break;
 		if (rum_pause(sc, hz / 100))
@@ -1660,7 +1723,8 @@
 	const struct rfprog *rfprog;
 	uint8_t bbp3, bbp94 = RT2573_BBPR94_DEFAULT;
 	int8_t power;
-	int i, chan;
+	unsigned int i;
+	unsigned int chan;
 
 	chan = ieee80211_chan2ieee(ic, c);
 	if (chan == 0 || chan == IEEE80211_CHAN_ANY)
@@ -1707,7 +1771,7 @@
 	rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7);
 	rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10);
 
-	rum_pause(sc, hz / 100);
+	(void)rum_pause(sc, hz / 100);
 
 	/* enable smart mode for MIMO-capable RFs */
 	bbp3 = rum_bbp_read(sc, 3);
@@ -1720,6 +1784,9 @@
 
 	if (bbp94 != RT2573_BBPR94_DEFAULT)
 		rum_bbp_write(sc, 94, bbp94);
+
+	/* give the chip some extra time to do the switchover */
+	(void)rum_pause(sc, hz / 100);
 }
 
 /*
@@ -1817,6 +1884,27 @@
 	    "entering" : "leaving");
 }
 
+static void
+rum_update_mcast(struct ifnet *ifp)
+{
+	/* not supported */
+}
+
+static void
+rum_update_promisc(struct ifnet *ifp)
+{
+	struct rum_softc *sc = ifp->if_softc;
+
+	if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
+		return;
+
+	RUM_LOCK(sc);
+	rum_queue_command(sc, rum_promisctask,
+	    &sc->sc_promisctask[0].hdr,
+	    &sc->sc_promisctask[1].hdr);
+	RUM_UNLOCK(sc);
+}
+
 static const char *
 rum_get_rf(int rev)
 {
@@ -1919,7 +2007,7 @@
 	int i, ntries;
 
 	/* wait for BBP to be ready */
-	for (ntries = 0; ntries < 100; ntries++) {
+	for (ntries = 0; ntries != 100; ntries++) {
 		const uint8_t val = rum_bbp_read(sc, 0);
 		if (val != 0 && val != 0xff)
 			break;
@@ -1971,7 +2059,7 @@
 	rum_write(sc, RT2573_MAC_CSR1, 0);
 
 	/* wait for BBP/RF to wakeup */
-	for (ntries = 0; ntries < 100; ntries++) {
+	for (ntries = 0; ntries != 100; ntries++) {
 		if (rum_read(sc, RT2573_MAC_CSR12) & 8)
 			break;
 		rum_write(sc, RT2573_MAC_CSR12, 4);	/* force wakeup */
@@ -2020,8 +2108,8 @@
 	}
 	rum_write(sc, RT2573_TXRX_CSR0, tmp);
 
-	ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
 	ifp->if_drv_flags |= IFF_DRV_RUNNING;
+
 	usb2_transfer_set_stall(sc->sc_xfer[RUM_BULK_WR]);
 	usb2_transfer_start(sc->sc_xfer[RUM_BULK_RD]);
 	return;
@@ -2057,7 +2145,7 @@
 
 	RUM_LOCK_ASSERT(sc, MA_OWNED);
 
-	ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
+	ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
 
 	RUM_UNLOCK(sc);
 
@@ -2080,16 +2168,23 @@
 	rum_write(sc, RT2573_MAC_CSR1, 0);
 }
 
-static int
-rum_load_microcode(struct rum_softc *sc, const u_char *ucode, size_t size)
+static void
+rum_load_microcode(struct rum_softc *sc, const uint8_t *ucode, size_t size)
 {
 	struct usb2_device_request req;
 	uint16_t reg = RT2573_MCU_CODE_BASE;
-	usb2_error_t error;
+	usb2_error_t err;
 
 	/* copy firmware image into NIC */
-	for (; size >= 4; reg += 4, ucode += 4, size -= 4)
-		rum_write(sc, reg, UGETDW(ucode));
+	for (; size >= 4; reg += 4, ucode += 4, size -= 4) {
+		err = rum_write(sc, reg, UGETDW(ucode));
+		if (err) {
+			/* firmware already loaded ? */
+			device_printf(sc->sc_dev, "Firmware load "
+			    "failure! (ignored)\n");
+			break;
+		}
+	}
 
 	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 	req.bRequest = RT2573_MCU_CNTL;
@@ -2097,12 +2192,10 @@
 	USETW(req.wIndex, 0);
 	USETW(req.wLength, 0);
 
-	error = rum_do_request(sc, &req, NULL);
-	if (error != 0) {
-		device_printf(sc->sc_dev, "could not run firmware: %s\n",
-		    usb2_errstr(error));
-	}
-	return error;
+	rum_do_request(sc, &req, NULL);
+
+	/* give the chip some time to boot */
+	rum_pause(sc, hz / 8);
 }
 
 static int
@@ -2149,13 +2242,6 @@
 		ieee80211_free_node(ni);
 		return ENETDOWN;
 	}
-	if (sc->tx_nfree < RUM_TX_MINFREE) {
-		ifp->if_drv_flags |= IFF_DRV_OACTIVE;
-		RUM_UNLOCK(sc);
-		m_freem(m);
-		ieee80211_free_node(ni);
-		return EIO;
-	}
 
 	ifp->if_opackets++;
 
@@ -2195,7 +2281,9 @@
 
 	ieee80211_amrr_node_init(&rvp->amrr, &RUM_NODE(ni)->amn, ni);
 
-	usb2_callout_reset(&rvp->amrr_ch, hz, rum_amrr_timeout, rvp);
+	/* XXX WLAN race --hps */
+	if (sc->sc_state == IEEE80211_S_RUN)
+		usb2_callout_reset(&rvp->amrr_ch, hz, rum_amrr_timeout, rvp);
 }
 
 static void
@@ -2204,8 +2292,15 @@
 	struct rum_vap *rvp = arg;
 	struct rum_softc *sc = rvp->sc;
 
+	/* XXX WLAN race --hps */
+	if (sc->sc_state != IEEE80211_S_RUN)
+		return;
+
 	rum_queue_command(sc, rum_amrr_task,
 	    &rvp->amrr_task[0].hdr, &rvp->amrr_task[1].hdr);
+
+	/* to avoid sync-issues we need to reset the callout here */
+	usb2_callout_reset(&rvp->amrr_ch, hz, rum_amrr_timeout, rvp);
 }
 
 static void
@@ -2216,7 +2311,6 @@
 	struct ifnet *ifp = sc->sc_ifp;
 	struct ieee80211com *ic = ifp->if_l2com;
 	struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
-	struct rum_vap *rvp = RUM_VAP(vap);
 	struct ieee80211_node *ni = vap->iv_bss;
 	int ok, fail;
 
@@ -2227,13 +2321,15 @@
 	    (le32toh(sc->sta[5]) & 0xffff);	/* TX ok w/ retry */
 	fail = (le32toh(sc->sta[5]) >> 16);	/* TX retry-fail count */
 
+	/* XXX WLAN race --hps */
+	if (sc->sc_state != IEEE80211_S_RUN)
+		return;
+
 	ieee80211_amrr_tx_update(&RUM_NODE(ni)->amn,
 	    ok+fail, ok, (le32toh(sc->sta[5]) & 0xffff) + fail);
 	(void) ieee80211_amrr_choose(ni, &RUM_NODE(ni)->amn);
 
 	ifp->if_oerrors += fail;	/* count TX retry-fail as Tx errors */
-
-	usb2_callout_reset(&rvp->amrr_ch, hz, rum_amrr_timeout, rvp);
 }
 
 /* ARGUSED */
@@ -2374,8 +2470,8 @@
 	return rssi;
 }
 
-static int
-rum_pause(struct rum_softc *sc, int timeout)
+static uint8_t
+rum_pause(struct rum_softc *sc, unsigned int timeout)
 {
 	if (usb2_proc_is_gone(&sc->sc_tq))
 		return (1);
@@ -2385,6 +2481,33 @@
 }
 
 static void
+rum_command_wrapper(struct usb2_proc_msg *pm)
+{
+	struct rum_task *task = (struct rum_task *)pm;
+	struct rum_softc *sc = task->sc;
+	struct ifnet *ifp;
+
+	/* wait for pending transfer, if any */
+	while (usb2_transfer_pending(sc->sc_xfer[RUM_BULK_WR]))
+		cv_wait(&sc->sc_cmd_cv, &sc->sc_mtx);
+
+	/* make sure any hardware buffers are emptied */
+	rum_pause(sc, hz / 1000);
+
+	/* execute task */
+	task->func(pm);
+
+	/* check if this is the last task executed */
+	if (sc->sc_last_task == task) {
+		sc->sc_last_task = NULL;
+		ifp = sc->sc_ifp;
+		/* re-start TX, if any */
+		if ((ifp != NULL) && (ifp->if_drv_flags & IFF_DRV_RUNNING))
+			usb2_transfer_start(sc->sc_xfer[RUM_BULK_WR]);
+	}
+}
+
+static void
 rum_queue_command(struct rum_softc *sc, usb2_proc_callback_t *fn,
     struct usb2_proc_msg *t0, struct usb2_proc_msg *t1)
 {
@@ -2392,10 +2515,6 @@
 
 	RUM_LOCK_ASSERT(sc, MA_OWNED);
 
-	if (usb2_proc_is_gone(&sc->sc_tq)) {
-		DPRINTF("proc is gone\n");
-		return;         /* nothing to do */
-	}
 	/*
 	 * NOTE: The task cannot get executed before we drop the
 	 * "sc_mtx" mutex. It is safe to update fields in the message
@@ -2405,14 +2524,19 @@
 	  usb2_proc_msignal(&sc->sc_tq, t0, t1);
 
 	/* Setup callback and softc pointers */
-	task->hdr.pm_callback = fn;
+	task->hdr.pm_callback = rum_command_wrapper;
+	task->func = fn;
 	task->sc = sc;
 
-        /*
-         * Init and stop must be synchronous!
-         */
-        if ((fn == rum_init_task) || (fn == rum_stop_task))
-                usb2_proc_mwait(&sc->sc_tq, t0, t1);
+	/* Make sure that any TX operation will stop */
+	sc->sc_last_task = task;
+
+	/*
+	 * Init, stop and flush must be synchronous!
+	 */
+	if ((fn == rum_init_task) || (fn == rum_stop_task) || 
+	    (fn == rum_flush_task))
+		usb2_proc_mwait(&sc->sc_tq, t0, t1);
 }
 
 static device_method_t rum_methods[] = {

==== //depot/projects/usb/src/sys/dev/usb/wlan/if_rumfw.h#2 (text+ko) ====

@@ -1,4 +1,4 @@
-/*	$FreeBSD: src/sys/dev/usb/wlan/if_rumfw.h,v 1.1 2009/02/23 18:31:00 thompsa Exp $	*/
+/*	$FreeBSD: user/thompsa/usb/sys/dev/usb2/wlan/if_rumfw.h 187190 2009-01-13 21:08:43Z thompsa $	*/
 
 /*-
  * Copyright (c) 2005-2006, Ralink Technology, Corp.

==== //depot/projects/usb/src/sys/dev/usb/wlan/if_rumreg.h#2 (text+ko) ====


==== //depot/projects/usb/src/sys/dev/usb/wlan/if_rumvar.h#2 (text+ko) ====

@@ -1,4 +1,4 @@
-/*	$FreeBSD: src/sys/dev/usb/wlan/if_rumvar.h,v 1.2 2009/02/23 23:46:56 thompsa Exp $	*/
+/*	$FreeBSD: src/sys/dev/usb2/wlan/if_rumvar.h,v 1.6 2009/02/09 22:18:11 thompsa Exp $	*/
 
 /*-
  * Copyright (c) 2005, 2006 Damien Bergamini <damien.bergamini@free.fr>
@@ -18,7 +18,6 @@
  */
 
 #define RUM_TX_LIST_COUNT	8
-#define RUM_TX_MINFREE		2
 
 struct rum_rx_radiotap_header {
 	struct ieee80211_radiotap_header wr_ihdr;
@@ -56,6 +55,7 @@
 
 struct rum_task {
 	struct usb2_proc_msg	hdr;
+	usb2_proc_callback_t	*func;
 	struct rum_softc	*sc;
 };
 
@@ -102,6 +102,7 @@
 
 	const struct ieee80211_rate_table *sc_rates;
 	struct usb2_xfer		*sc_xfer[RUM_N_TRANSFER];
+	struct rum_task			*sc_last_task;
 
 	uint8_t				rf_rev;
 	uint8_t				rffreq;
@@ -120,9 +121,9 @@
 	struct rum_tx_data		tx_data[RUM_TX_LIST_COUNT];
 	rum_txdhead			tx_q;
 	rum_txdhead			tx_free;
-	int				tx_nfree;
 	struct rum_rx_desc		sc_rx_desc;
 
+	struct cv			sc_cmd_cv;
 	struct mtx			sc_mtx;
 
 	uint32_t			sta[6];


>>> TRUNCATED FOR MAIL (1000 lines) <<<



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