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Hook HT channel setup.

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This commit is contained in:
Bernhard Schmidt 2011-05-08 10:31:22 +00:00
parent 688f94830d
commit c07d5014de
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=221636
1 changed files with 43 additions and 35 deletions
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78
sys/dev/iwn/if_iwn.c
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@ -154,9 +154,7 @@ static void iwn4965_print_power_group(struct iwn_softc *, int);
static void iwn5000_read_eeprom(struct iwn_softc *);
static uint32_t iwn_eeprom_channel_flags(struct iwn_eeprom_chan *);
static void iwn_read_eeprom_band(struct iwn_softc *, int);
#if 0 /* HT */
static void iwn_read_eeprom_ht40(struct iwn_softc *, int);
#endif
static void iwn_read_eeprom_channels(struct iwn_softc *, int, uint32_t);
static struct iwn_eeprom_chan *iwn_find_eeprom_channel(struct iwn_softc *,
struct ieee80211_channel *);
@ -1696,7 +1694,7 @@ iwn4965_read_eeprom(struct iwn_softc *sc)
iwn_read_prom_data(sc, IWN4965_EEPROM_DOMAIN, sc->eeprom_domain, 4);
/* Read the list of authorized channels (20MHz ones only). */
for (i = 0; i < 5; i++) {
for (i = 0; i < 7; i++) {
addr = iwn4965_regulatory_bands[i];
iwn_read_eeprom_channels(sc, i, addr);
}
@ -1783,7 +1781,7 @@ iwn5000_read_eeprom(struct iwn_softc *sc)
sc->eeprom_domain, 4);
/* Read the list of authorized channels (20MHz ones only). */
for (i = 0; i < 5; i++) {
for (i = 0; i < 7; i++) {
if (sc->hw_type >= IWN_HW_REV_TYPE_6000)
addr = base + iwn6000_regulatory_bands[i];
else
@ -1889,18 +1887,15 @@ iwn_read_eeprom_band(struct iwn_softc *sc, int n)
"add chan %d flags 0x%x maxpwr %d\n", chan,
channels[i].flags, channels[i].maxpwr);
#if 0 /* HT */
/* XXX no constraints on using HT20 */
/* add HT20, HT40 added separately */
c = &ic->ic_channels[ic->ic_nchans++];
c[0] = c[-1];
c->ic_flags |= IEEE80211_CHAN_HT20;
/* XXX NARROW =>'s 1/2 and 1/4 width? */
#endif
if (sc->sc_flags & IWN_FLAG_HAS_11N) {
/* add HT20, HT40 added separately */
c = &ic->ic_channels[ic->ic_nchans++];
c[0] = c[-1];
c->ic_flags |= IEEE80211_CHAN_HT20;
}
}
}
#if 0 /* HT */
static void
iwn_read_eeprom_ht40(struct iwn_softc *sc, int n)
{
@ -1909,55 +1904,59 @@ iwn_read_eeprom_ht40(struct iwn_softc *sc, int n)
struct iwn_eeprom_chan *channels = sc->eeprom_channels[n];
const struct iwn_chan_band *band = &iwn_bands[n];
struct ieee80211_channel *c, *cent, *extc;
int i;
uint8_t chan;
int i, nflags;
if (!(sc->sc_flags & IWN_FLAG_HAS_11N))
return;
for (i = 0; i < band->nchan; i++) {
if (!(channels[i].flags & IWN_EEPROM_CHAN_VALID) ||
!(channels[i].flags & IWN_EEPROM_CHAN_WIDE)) {
if (!(channels[i].flags & IWN_EEPROM_CHAN_VALID)) {
DPRINTF(sc, IWN_DEBUG_RESET,
"skip chan %d flags 0x%x maxpwr %d\n",
band->chan[i], channels[i].flags,
channels[i].maxpwr);
continue;
}
chan = band->chan[i];
nflags = iwn_eeprom_channel_flags(&channels[i]);
/*
* Each entry defines an HT40 channel pair; find the
* center channel, then the extension channel above.
*/
cent = ieee80211_find_channel_byieee(ic, band->chan[i],
band->flags & ~IEEE80211_CHAN_HT);
cent = ieee80211_find_channel_byieee(ic, chan,
(n == 5 ? IEEE80211_CHAN_G : IEEE80211_CHAN_A));
if (cent == NULL) { /* XXX shouldn't happen */
device_printf(sc->sc_dev,
"%s: no entry for channel %d\n",
__func__, band->chan[i]);
"%s: no entry for channel %d\n", __func__, chan);
continue;
}
extc = ieee80211_find_channel(ic, cent->ic_freq+20,
band->flags & ~IEEE80211_CHAN_HT);
(n == 5 ? IEEE80211_CHAN_G : IEEE80211_CHAN_A));
if (extc == NULL) {
DPRINTF(sc, IWN_DEBUG_RESET,
"skip chan %d, extension channel not found\n",
band->chan[i]);
"%s: skip chan %d, extension channel not found\n",
__func__, chan);
continue;
}
DPRINTF(sc, IWN_DEBUG_RESET,
"add ht40 chan %d flags 0x%x maxpwr %d\n",
band->chan[i], channels[i].flags, channels[i].maxpwr);
chan, channels[i].flags, channels[i].maxpwr);
c = &ic->ic_channels[ic->ic_nchans++];
c[0] = cent[0];
c->ic_extieee = extc->ic_ieee;
c->ic_flags &= ~IEEE80211_CHAN_HT;
c->ic_flags |= IEEE80211_CHAN_HT40U;
c->ic_flags |= IEEE80211_CHAN_HT40U | nflags;
c = &ic->ic_channels[ic->ic_nchans++];
c[0] = extc[0];
c->ic_extieee = cent->ic_ieee;
c->ic_flags &= ~IEEE80211_CHAN_HT;
c->ic_flags |= IEEE80211_CHAN_HT40D;
c->ic_flags |= IEEE80211_CHAN_HT40D | nflags;
}
}
#endif
static void
iwn_read_eeprom_channels(struct iwn_softc *sc, int n, uint32_t addr)
@ -1970,25 +1969,34 @@ iwn_read_eeprom_channels(struct iwn_softc *sc, int n, uint32_t addr)
if (n < 5)
iwn_read_eeprom_band(sc, n);
#if 0 /* HT */
else
iwn_read_eeprom_ht40(sc, n);
#endif
ieee80211_sort_channels(ic->ic_channels, ic->ic_nchans);
}
static struct iwn_eeprom_chan *
iwn_find_eeprom_channel(struct iwn_softc *sc, struct ieee80211_channel *c)
{
int i, j;
int band, chan, i, j;
for (j = 0; j < 7; j++) {
for (i = 0; i < iwn_bands[j].nchan; i++) {
if (iwn_bands[j].chan[i] == c->ic_ieee)
return &sc->eeprom_channels[j][i];
if (IEEE80211_IS_CHAN_HT40(c)) {
band = IEEE80211_IS_CHAN_5GHZ(c) ? 6 : 5;
if (IEEE80211_IS_CHAN_HT40D(c))
chan = c->ic_extieee;
else
chan = c->ic_ieee;
for (i = 0; i < iwn_bands[band].nchan; i++) {
if (iwn_bands[band].chan[i] == chan)
return &sc->eeprom_channels[band][i];
}
} else {
for (j = 0; j < 5; j++) {
for (i = 0; i < iwn_bands[j].nchan; i++) {
if (iwn_bands[j].chan[i] == c->ic_ieee)
return &sc->eeprom_channels[j][i];
}
}
}
return NULL;
}