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Updates to the iwn driver:

Browse Source 
* iwnfw has now been split into individual modules so autoloading of
  firmware module(s) does work again.
* Changes have been made to RUN -> AUTH transition, this should fix the
  issue reported by Glen and others.
* Brandon reported issues in iwn_cmd() with large commands, those have
  been fixed to.
* DEAUTH is now handled correctly.

Submitted by:	Bernhard Schmidt <bschmidt at techwires.net>
This commit is contained in:
Rui Paulo 2009-10-24 09:55:11 +00:00
parent 99b96cf934
commit e7e0fcbea8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=198439
6 changed files with 142 additions and 65 deletions
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154
sys/dev/iwn/if_iwn.c
View File

@ -601,7 +601,7 @@ iwn_hal_attach(struct iwn_softc *sc)
switch (sc->hw_type) {
case IWN_HW_REV_TYPE_4965:
sc->sc_hal = &iwn4965_hal;
sc->fwname = "iwnfw-4965";
sc->fwname = "iwn4965fw";
sc->critical_temp = IWN_CTOK(110);
sc->txantmsk = IWN_ANT_A | IWN_ANT_B;
sc->rxantmsk = IWN_ANT_ABC;
@ -610,7 +610,7 @@ iwn_hal_attach(struct iwn_softc *sc)
break;
case IWN_HW_REV_TYPE_5100:
sc->sc_hal = &iwn5000_hal;
sc->fwname = "iwnfw-5000";
sc->fwname = "iwn5000fw";
sc->critical_temp = 110;
sc->txantmsk = IWN_ANT_B;
sc->rxantmsk = IWN_ANT_A | IWN_ANT_B;
@ -619,7 +619,7 @@ iwn_hal_attach(struct iwn_softc *sc)
break;
case IWN_HW_REV_TYPE_5150:
sc->sc_hal = &iwn5000_hal;
sc->fwname = "iwnfw-5150";
sc->fwname = "iwn5150fw";
/* NB: critical temperature will be read from EEPROM. */
sc->txantmsk = IWN_ANT_A;
sc->rxantmsk = IWN_ANT_A | IWN_ANT_B;
@ -629,14 +629,14 @@ iwn_hal_attach(struct iwn_softc *sc)
case IWN_HW_REV_TYPE_5300:
case IWN_HW_REV_TYPE_5350:
sc->sc_hal = &iwn5000_hal;
sc->fwname = "iwnfw-5000";
sc->fwname = "iwn5000fw";
sc->critical_temp = 110;
sc->txantmsk = sc->rxantmsk = IWN_ANT_ABC;
sc->ntxchains = sc->nrxchains = 3;
break;
case IWN_HW_REV_TYPE_1000:
sc->sc_hal = &iwn5000_hal;
sc->fwname = "iwnfw-1000";
sc->fwname = "iwn1000fw";
sc->critical_temp = 110;
sc->txantmsk = IWN_ANT_A;
sc->rxantmsk = IWN_ANT_A | IWN_ANT_B;
@ -645,7 +645,7 @@ iwn_hal_attach(struct iwn_softc *sc)
break;
case IWN_HW_REV_TYPE_6000:
sc->sc_hal = &iwn5000_hal;
sc->fwname = "iwnfw-6000";
sc->fwname = "iwn6000fw";
sc->critical_temp = 110;
sc->txantmsk = IWN_ANT_ABC;
sc->rxantmsk = IWN_ANT_ABC;
@ -654,7 +654,7 @@ iwn_hal_attach(struct iwn_softc *sc)
break;
case IWN_HW_REV_TYPE_6050:
sc->sc_hal = &iwn5000_hal;
sc->fwname = "iwnfw-6050";
sc->fwname = "iwn6050fw";
sc->critical_temp = 110;
sc->txantmsk = IWN_ANT_ABC;
sc->rxantmsk = IWN_ANT_ABC;
@ -1150,7 +1150,6 @@ iwn_alloc_rx_ring(struct iwn_softc *sc, struct iwn_rx_ring *ring)
*/
for (i = 0; i < IWN_RX_RING_COUNT; i++) {
struct iwn_rx_data *data = &ring->data[i];
struct mbuf *m;
bus_addr_t paddr;
error = bus_dmamap_create(ring->desc_dma.tag, 0, &data->map);
@ -1161,8 +1160,8 @@ iwn_alloc_rx_ring(struct iwn_softc *sc, struct iwn_rx_ring *ring)
goto fail;
}
m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
if (m == NULL) {
data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
if (data->m == NULL) {
device_printf(sc->sc_dev,
"%s: could not allocate rx mbuf\n", __func__);
error = ENOMEM;
@ -1171,20 +1170,16 @@ iwn_alloc_rx_ring(struct iwn_softc *sc, struct iwn_rx_ring *ring)
/* Map page. */
error = bus_dmamap_load(ring->desc_dma.tag, data->map,
mtod(m, caddr_t), MJUMPAGESIZE,
mtod(data->m, caddr_t), MJUMPAGESIZE,
iwn_dma_map_addr, &paddr, BUS_DMA_NOWAIT);
if (error != 0 && error != EFBIG) {
device_printf(sc->sc_dev,
"%s: bus_dmamap_load failed, error %d\n",
__func__, error);
m_freem(m);
m_freem(data->m);
error = ENOMEM; /* XXX unique code */
goto fail;
}
bus_dmamap_sync(ring->desc_dma.tag, data->map,
BUS_DMASYNC_PREWRITE);
data->m = m;
/* Set physical address of RX buffer (256-byte aligned). */
ring->desc[i] = htole32(paddr >> 8);
@ -1233,6 +1228,8 @@ iwn_free_rx_ring(struct iwn_softc *sc, struct iwn_rx_ring *ring)
struct iwn_rx_data *data = &ring->data[i];
if (data->m != NULL) {
bus_dmamap_sync(ring->desc_dma.tag, data->map,
BUS_DMASYNC_POSTREAD);
bus_dmamap_unload(ring->desc_dma.tag, data->map);
m_freem(data->m);
}
@ -1304,8 +1301,6 @@ iwn_alloc_tx_ring(struct iwn_softc *sc, struct iwn_tx_ring *ring, int qid)
__func__, error);
goto fail;
}
bus_dmamap_sync(ring->desc_dma.tag, data->map,
BUS_DMASYNC_PREWRITE);
}
return 0;
fail:
@ -1322,6 +1317,8 @@ iwn_reset_tx_ring(struct iwn_softc *sc, struct iwn_tx_ring *ring)
struct iwn_tx_data *data = &ring->data[i];
if (data->m != NULL) {
bus_dmamap_sync(ring->desc_dma.tag, data->map,
BUS_DMASYNC_POSTWRITE);
bus_dmamap_unload(ring->desc_dma.tag, data->map);
m_freem(data->m);
data->m = NULL;
@ -1329,6 +1326,8 @@ iwn_reset_tx_ring(struct iwn_softc *sc, struct iwn_tx_ring *ring)
}
/* Clear TX descriptors. */
memset(ring->desc, 0, ring->desc_dma.size);
bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map,
BUS_DMASYNC_PREWRITE);
sc->qfullmsk &= ~(1 << ring->qid);
ring->queued = 0;
ring->cur = 0;
@ -1347,7 +1346,10 @@ iwn_free_tx_ring(struct iwn_softc *sc, struct iwn_tx_ring *ring)
struct iwn_tx_data *data = &ring->data[i];
if (data->m != NULL) {
bus_dmamap_unload(ring->desc_dma.tag, data->map);
bus_dmamap_sync(ring->desc_dma.tag, data->map,
BUS_DMASYNC_POSTWRITE);
bus_dmamap_unload(ring->desc_dma.tag,
data->map);
m_freem(data->m);
}
}
@ -1709,10 +1711,11 @@ iwn_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
if (nstate == IEEE80211_S_AUTH && vap->iv_state != IEEE80211_S_AUTH) {
/* !AUTH -> AUTH requires adapter config */
error = 1;
while (error) {
error = iwn_auth(sc, vap);
}
/* Reset state to handle reassociations correctly. */
sc->rxon.associd = 0;
sc->rxon.filter &= ~htole32(IWN_FILTER_BSS);
iwn_calib_reset(sc);
error = iwn_auth(sc, vap);
}
if (nstate == IEEE80211_S_RUN && vap->iv_state != IEEE80211_S_RUN) {
/*
@ -1832,6 +1835,8 @@ iwn_rx_done(struct iwn_softc *sc, struct iwn_rx_desc *desc,
} else
stat = (struct iwn_rx_stat *)(desc + 1);
bus_dmamap_sync(ring->desc_dma.tag, data->map, BUS_DMASYNC_POSTREAD);
if (stat->cfg_phy_len > IWN_STAT_MAXLEN) {
device_printf(sc->sc_dev,
"%s: invalid rx statistic header, len %d\n",
@ -2054,7 +2059,6 @@ iwn4965_tx_done(struct iwn_softc *sc, struct iwn_rx_desc *desc,
__func__, desc->qid, desc->idx, stat->retrycnt,
stat->killcnt, stat->rate, le16toh(stat->duration),
le32toh(stat->status));
iwn_tx_done(sc, desc, stat->retrycnt, le32toh(stat->status) & 0xff);
}
@ -2072,7 +2076,6 @@ iwn5000_tx_done(struct iwn_softc *sc, struct iwn_rx_desc *desc,
/* Reset TX scheduler slot. */
iwn5000_reset_sched(sc, desc->qid & 0xf, desc->idx);
iwn_tx_done(sc, desc, stat->retrycnt, le16toh(stat->status) & 0xff);
}
@ -2151,11 +2154,13 @@ iwn_cmd_done(struct iwn_softc *sc, struct iwn_rx_desc *desc)
/* If the command was mapped in an mbuf, free it. */
if (data->m != NULL) {
bus_dmamap_sync(ring->desc_dma.tag, data->map,
BUS_DMASYNC_POSTWRITE);
bus_dmamap_unload(ring->desc_dma.tag, data->map);
m_freem(data->m);
data->m = NULL;
}
wakeup(&ring->cmd[desc->idx]);
wakeup(&ring->desc[desc->idx]);
}
/*
@ -2183,7 +2188,7 @@ iwn_notif_intr(struct iwn_softc *sc)
DPRINTF(sc, IWN_DEBUG_RECV,
"%s: qid %x idx %d flags %x type %d(%s) len %d\n",
__func__, desc->qid /*& 0xf*/, desc->idx, desc->flags,
__func__, desc->qid & 0xf, desc->idx, desc->flags,
desc->type, iwn_intr_str(desc->type),
le16toh(desc->len));
@ -2217,10 +2222,8 @@ iwn_notif_intr(struct iwn_softc *sc)
(struct iwn_beacon_missed *)(desc + 1);
int misses = le32toh(miss->consecutive);
/* XXX not sure why we're notified w/ zero */
if (misses == 0)
break;
bus_dmamap_sync(sc->rxq.stat_dma.tag, data->map,
BUS_DMASYNC_PREWRITE);
DPRINTF(sc, IWN_DEBUG_STATE,
"%s: beacons missed %d/%d\n", __func__,
misses, le32toh(miss->total));
@ -2241,7 +2244,8 @@ iwn_notif_intr(struct iwn_softc *sc)
(struct iwn_ucode_info *)(desc + 1);
/* The microcontroller is ready. */
bus_dmamap_sync(sc->rxq.stat_dma.tag, data->map,
BUS_DMASYNC_PREWRITE);
DPRINTF(sc, IWN_DEBUG_RESET,
"microcode alive notification version=%d.%d "
"subtype=%x alive=%x\n", uc->major, uc->minor,
@ -2269,7 +2273,8 @@ iwn_notif_intr(struct iwn_softc *sc)
* noted. However, we handle this in iwn_intr as we
* get both the enable/disble intr.
*/
bus_dmamap_sync(sc->rxq.stat_dma.tag, data->map,
BUS_DMASYNC_PREWRITE);
DPRINTF(sc, IWN_DEBUG_INTR, "state changed to %x\n",
le32toh(*status));
break;
@ -2279,6 +2284,8 @@ iwn_notif_intr(struct iwn_softc *sc)
struct iwn_start_scan *scan =
(struct iwn_start_scan *)(desc + 1);
bus_dmamap_sync(sc->rxq.stat_dma.tag, data->map,
BUS_DMASYNC_PREWRITE);
DPRINTF(sc, IWN_DEBUG_ANY,
"%s: scanning channel %d status %x\n",
__func__, scan->chan, le32toh(scan->status));
@ -2289,6 +2296,8 @@ iwn_notif_intr(struct iwn_softc *sc)
struct iwn_stop_scan *scan =
(struct iwn_stop_scan *)(desc + 1);
bus_dmamap_sync(sc->rxq.stat_dma.tag, data->map,
BUS_DMASYNC_PREWRITE);
DPRINTF(sc, IWN_DEBUG_STATE,
"scan finished nchan=%d status=%d chan=%d\n",
scan->nchan, scan->status, scan->chan);
@ -2494,8 +2503,13 @@ iwn4965_update_sched(struct iwn_softc *sc, int qid, int idx, uint8_t id,
uint16_t *w = &sc->sched[qid * IWN4965_SCHED_COUNT + idx];
*w = htole16(len + 8);
if (idx < IWN4965_SCHEDSZ)
bus_dmamap_sync(sc->sched_dma.tag, sc->sched_dma.map,
BUS_DMASYNC_PREWRITE);
if (idx < IWN4965_SCHEDSZ) {
*(w + IWN_TX_RING_COUNT) = *w;
bus_dmamap_sync(sc->sched_dma.tag, sc->sched_dma.map,
BUS_DMASYNC_PREWRITE);
}
}
void
@ -2505,8 +2519,14 @@ iwn5000_update_sched(struct iwn_softc *sc, int qid, int idx, uint8_t id,
uint16_t *w = &sc->sched[qid * IWN5000_SCHED_COUNT + idx];
*w = htole16(id << 12 | (len + 8));
if (idx < IWN_SCHED_WINSZ)
bus_dmamap_sync(sc->sched_dma.tag, sc->sched_dma.map,
BUS_DMASYNC_PREWRITE);
if (idx < IWN_SCHED_WINSZ) {
*(w + IWN_TX_RING_COUNT) = *w;
bus_dmamap_sync(sc->sched_dma.tag, sc->sched_dma.map,
BUS_DMASYNC_PREWRITE);
}
}
void
@ -2515,8 +2535,13 @@ iwn5000_reset_sched(struct iwn_softc *sc, int qid, int idx)
uint16_t *w = &sc->sched[qid * IWN5000_SCHED_COUNT + idx];
*w = (*w & htole16(0xf000)) | htole16(1);
if (idx < IWN_SCHED_WINSZ)
bus_dmamap_sync(sc->sched_dma.tag, sc->sched_dma.map,
BUS_DMASYNC_PREWRITE);
if (idx < IWN_SCHED_WINSZ) {
*(w + IWN_TX_RING_COUNT) = *w;
bus_dmamap_sync(sc->sched_dma.tag, sc->sched_dma.map,
BUS_DMASYNC_PREWRITE);
}
}
/* Determine if a given rate is CCK or OFDM. */
@ -3104,26 +3129,49 @@ iwn_cmd(struct iwn_softc *sc, int code, const void *buf, int size, int async)
struct iwn_tx_desc *desc;
struct iwn_tx_data *data;
struct iwn_tx_cmd *cmd;
struct mbuf *m;
bus_addr_t paddr;
int totlen;
int totlen, error;
IWN_LOCK_ASSERT(sc);
KASSERT(size <= sizeof cmd->data, ("Command too big"));
desc = &ring->desc[ring->cur];
data = &ring->data[ring->cur];
cmd = &ring->cmd[ring->cur];
totlen = 4 + size;
if (size > sizeof cmd->data) {
/* Command is too large to fit in a descriptor. */
if (totlen > MCLBYTES)
return EINVAL;
MGETHDR(m, M_DONTWAIT, MT_DATA);
if (m == NULL)
return ENOMEM;
if (totlen > MHLEN) {
MCLGET(m, M_DONTWAIT);
if (!(m->m_flags & M_EXT)) {
m_freem(m);
return ENOMEM;
}
}
cmd = mtod(m, struct iwn_tx_cmd *);
error = bus_dmamap_load(ring->cmd_dma.tag, data->map, cmd,
totlen, iwn_dma_map_addr, &paddr, BUS_DMA_NOWAIT);
if (error != 0) {
m_freem(m);
return error;
}
data->m = m;
} else {
cmd = &ring->cmd[ring->cur];
paddr = data->cmd_paddr;
}
cmd->code = code;
cmd->flags = 0;
cmd->qid = ring->qid;
cmd->idx = ring->cur;
memcpy(cmd->data, buf, size);
paddr = data->cmd_paddr;
desc->nsegs = 1;
desc->segs[0].addr = htole32(IWN_LOADDR(paddr));
desc->segs[0].len = htole16(IWN_HIADDR(paddr) | totlen << 4);
@ -3132,6 +3180,16 @@ iwn_cmd(struct iwn_softc *sc, int code, const void *buf, int size, int async)
__func__, iwn_intr_str(cmd->code), cmd->code,
cmd->flags, cmd->qid, cmd->idx);
if (size > sizeof cmd->data) {
bus_dmamap_sync(ring->cmd_dma.tag, data->map,
BUS_DMASYNC_PREWRITE);
} else {
bus_dmamap_sync(ring->cmd_dma.tag, ring->cmd_dma.map,
BUS_DMASYNC_PREWRITE);
}
bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map,
BUS_DMASYNC_PREWRITE);
/* Update TX scheduler. */
hal->update_sched(sc, ring->qid, ring->cur, 0, 0);
@ -3139,7 +3197,7 @@ iwn_cmd(struct iwn_softc *sc, int code, const void *buf, int size, int async)
ring->cur = (ring->cur + 1) % IWN_TX_RING_COUNT;
IWN_WRITE(sc, IWN_HBUS_TARG_WRPTR, ring->qid << 8 | ring->cur);
return async ? 0 : msleep(cmd, &sc->sc_mtx, PCATCH, "iwncmd", hz);
return async ? 0 : msleep(desc, &sc->sc_mtx, PCATCH, "iwncmd", hz);
}
int
@ -3876,11 +3934,12 @@ iwn_tune_sensitivity(struct iwn_softc *sc, const struct iwn_rx_stats *stats)
struct iwn_calib_state *calib = &sc->calib;
uint32_t val, rxena, fa;
uint32_t energy[3], energy_min;
int i, needs_update = 0;
uint8_t noise[3], noise_ref;
int i, needs_update = 0;
/* Check that we've been enabled long enough. */
if ((rxena = le32toh(stats->general.load)) == 0)
rxena = le32toh(stats->general.load);
if (rxena == 0)
return;
/* Compute number of false alarms since last call for OFDM. */
@ -4810,8 +4869,10 @@ iwn4965_load_firmware(struct iwn_softc *sc)
/* Copy initialization sections into pre-allocated DMA-safe memory. */
memcpy(dma->vaddr, fw->init.data, fw->init.datasz);
bus_dmamap_sync(sc->fw_dma.tag, dma->map, BUS_DMASYNC_PREWRITE);
memcpy(dma->vaddr + IWN4965_FW_DATA_MAXSZ,
fw->init.text, fw->init.textsz);
bus_dmamap_sync(sc->fw_dma.tag, dma->map, BUS_DMASYNC_PREWRITE);
/* Tell adapter where to find initialization sections. */
error = iwn_nic_lock(sc);
@ -4849,8 +4910,10 @@ iwn4965_load_firmware(struct iwn_softc *sc)
/* Copy runtime sections into pre-allocated DMA-safe memory. */
memcpy(dma->vaddr, fw->main.data, fw->main.datasz);
bus_dmamap_sync(sc->fw_dma.tag, dma->map, BUS_DMASYNC_PREWRITE);
memcpy(dma->vaddr + IWN4965_FW_DATA_MAXSZ,
fw->main.text, fw->main.textsz);
bus_dmamap_sync(sc->fw_dma.tag, dma->map, BUS_DMASYNC_PREWRITE);
/* Tell adapter where to find runtime sections. */
error = iwn_nic_lock(sc);
@ -4877,6 +4940,7 @@ iwn5000_load_firmware_section(struct iwn_softc *sc, uint32_t dst,
/* Copy firmware section into pre-allocated DMA-safe memory. */
memcpy(dma->vaddr, section, size);
bus_dmamap_sync(sc->fw_dma.tag, dma->map, BUS_DMASYNC_PREWRITE);
error = iwn_nic_lock(sc);
if (error != 0)

22
sys/modules/iwnfw/Makefile
View File

@ -1,23 +1,5 @@
# $FreeBSD$
FWDIR= ${.CURDIR}/../../contrib/dev/iwn
.PATH: ${FWDIR}
SUBDIR= iwn4965 iwn5000 iwn5150
KMOD= iwnfw
FIRMWS= iwlwifi-4965-228.57.2.23.fw:iwnfw-4965:22857223 \
iwlwifi-5000-5.4.A.11.fw:iwnfw-5000:54A11 \
iwlwifi-5150-8.24.2.2.fw:iwnfw-5150:82422
CLEANFILES= iwlwifi-4965-228.57.2.23.fw iwlwifi-5000-5.4.A.11.fw \
iwlwifi-5150-8.24.2.2.fw
iwlwifi-4965-228.57.2.23.fw: ${FWDIR}/iwlwifi-4965-228.57.2.23.fw.uu
uudecode -p ${FWDIR}/iwlwifi-4965-228.57.2.23.fw.uu > ${.TARGET}
iwlwifi-5000-5.4.A.11.fw: ${FWDIR}/iwlwifi-5000-5.4.A.11.fw.uu
uudecode -p ${FWDIR}/iwlwifi-5000-5.4.A.11.fw.uu > ${.TARGET}
iwlwifi-5150-8.24.2.2.fw: ${FWDIR}/iwlwifi-5150-8.24.2.2.fw.uu
uudecode -p ${FWDIR}/iwlwifi-5150-8.24.2.2.fw.uu > ${.TARGET}
.include <bsd.kmod.mk>
.include <bsd.subdir.mk>

13
sys/modules/iwnfw/Makefile.inc Normal file
View File

@ -0,0 +1,13 @@
# $FreeBSD$
#
# Common rules for building firmware. Note this gets auto-included
# by the subdir Makefile's as a consequence of included bsd.kmod.mk.
_FIRM= ${IMG}.fw
CLEANFILES+= ${_FIRM}
FIRMWS= ${_FIRM}:${KMOD}
${_FIRM}: ${.CURDIR}/../../../contrib/dev/iwn/${_FIRM}.uu
uudecode -p $? > ${.TARGET}

6
sys/modules/iwnfw/iwn4965/Makefile Normal file
View File

@ -0,0 +1,6 @@
# $FreeBSD$
KMOD= iwn4965fw
IMG= iwlwifi-4965-228.57.2.23
.include <bsd.kmod.mk>

6
sys/modules/iwnfw/iwn5000/Makefile Normal file
View File

@ -0,0 +1,6 @@
# $FreeBSD$
KMOD= iwn5000fw
IMG= iwlwifi-5000-5.4.A.11
.include <bsd.kmod.mk>

6
sys/modules/iwnfw/iwn5150/Makefile Normal file
View File

@ -0,0 +1,6 @@
# $FreeBSD$
KMOD= iwn5150fw
IMG= iwlwifi-5150-8.24.2.2
.include <bsd.kmod.mk>