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cfg80211: regulatory: introduce NL80211_RRF_AUTO_BW rule flag

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Introduce NL80211_RRF_AUTO_BW rule flag. If this flag set
maximum available bandwidth should be calculated base on
contiguous rules and wider channels will be allowed to cross
multiple contiguous/overlapping frequency ranges.

In case of old kernels maximum bandwidth from regulatory
rule will be used, while there is no NL80211_RRF_AUTO_BW flag.

This fixes the previous commit 9752482083
("cfg80211: regulatory introduce maximum bandwidth calculation")
which was found to be a problem for userspace API compatibility.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
[edit commit log, use sizeof()]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Janusz Dziedzic
2014-02-20 13:52:16 +01:00
committed by Johannes Berg
parent 37e3308cb2
commit b0dfd2ea12
4 changed files with 58 additions and 43 deletions
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net/wireless/genregdb.awk
+2
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@@ -105,6 +105,8 @@ function parse_reg_rule()
flags = flags "\n\t\t\tNL80211_RRF_NO_IR | "
} else if (flagarray[arg] == "NO-IR") {
flags = flags "\n\t\t\tNL80211_RRF_NO_IR | "
} else if (flagarray[arg] == "AUTO-BW") {
flags = flags "\n\t\t\tNL80211_RRF_AUTO_BW | "
}
}