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Code Issues Releases Activity

Fix 1/2 and 1/4 width channel handling for non-GSM operation:

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o correct typo that caused random channel selection
o explicitly add 1/2 and 1/4 width channels because channel lookups match
  flags that include IEEE80211_CHANNEL_HALF and IEEE80211_CHANNEL_QUARTER
This commit is contained in:
Sam Leffler 2009-01-16 20:38:42 +00:00
parent 5efbe863bd
commit 5814deb84d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=187342
1 changed files with 17 additions and 3 deletions
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20
sbin/ifconfig/ifieee80211.c
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@ -1806,7 +1806,7 @@ regdomain_addchans(struct ieee80211req_chaninfo *ci,
continue;
}
if ((flags & IEEE80211_CHAN_QUARTER) &&
((chanFlags & IEEE80211_CHAN_HALF) == 0 &&
((chanFlags & IEEE80211_CHAN_QUARTER) == 0 &&
(flags & IEEE80211_CHAN_GSM) == 0)) {
if (verbose)
printf("%u: skip, device does not support quarter-rate channels\n", freq);
@ -1900,12 +1900,26 @@ regdomain_makechannels(
if (!LIST_EMPTY(&rd->bands_11b))
regdomain_addchans(ci, &rd->bands_11b, reg,
IEEE80211_CHAN_B, &dc->dc_chaninfo);
if (!LIST_EMPTY(&rd->bands_11g))
if (!LIST_EMPTY(&rd->bands_11g)) {
regdomain_addchans(ci, &rd->bands_11g, reg,
IEEE80211_CHAN_G, &dc->dc_chaninfo);
if (!LIST_EMPTY(&rd->bands_11a))
regdomain_addchans(ci, &rd->bands_11g, reg,
IEEE80211_CHAN_G | IEEE80211_CHAN_HALF,
&dc->dc_chaninfo);
regdomain_addchans(ci, &rd->bands_11g, reg,
IEEE80211_CHAN_G | IEEE80211_CHAN_QUARTER,
&dc->dc_chaninfo);
}
if (!LIST_EMPTY(&rd->bands_11a)) {
regdomain_addchans(ci, &rd->bands_11a, reg,
IEEE80211_CHAN_A, &dc->dc_chaninfo);
regdomain_addchans(ci, &rd->bands_11a, reg,
IEEE80211_CHAN_A | IEEE80211_CHAN_HALF,
&dc->dc_chaninfo);
regdomain_addchans(ci, &rd->bands_11a, reg,
IEEE80211_CHAN_A | IEEE80211_CHAN_QUARTER,
&dc->dc_chaninfo);
}
if (!LIST_EMPTY(&rd->bands_11na)) {
regdomain_addchans(ci, &rd->bands_11na, reg,
IEEE80211_CHAN_A | IEEE80211_CHAN_HT20,