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wireless: add wiphy channel freq to channel struct lookup helper

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Add ieee80211_get_channel() which gets you a channel struct for a
specific wiphy if that channel is present in that wiphy.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg
2008-03-16 18:34:33 +01:00
committed by John W. Linville
parent 857485c0c4
commit 906c730a2d
2 changed files with 29 additions and 0 deletions
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6
include/net/wireless.h
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@@ -304,4 +304,10 @@ extern int ieee80211_channel_to_frequency(int chan);
*/
extern int ieee80211_frequency_to_channel(int freq);
/**
* ieee80211_get_channel - get channel struct from wiphy for specified frequency
*/
extern struct ieee80211_channel *ieee80211_get_channel(struct wiphy *wiphy,
int freq);
#endif /* __NET_WIRELESS_H */