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mac80211: add HT conf helpers 

In HT capable drivers you often need to check if you
are currently using HT20 or HT40. This adds a few small
helpers to let drivers figure that out.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Luis R. Rodriguez 2008-12-23 15:58:36 -08:00 committed by John W. Linville
parent 51af3d3fbb
commit 10c806b32d
1 changed files with 30 additions and 0 deletions
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30
include/net/mac80211.h
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@ -1962,4 +1962,34 @@ rate_lowest_index(struct ieee80211_supported_band *sband,
int ieee80211_rate_control_register(struct rate_control_ops *ops); int ieee80211_rate_control_register(struct rate_control_ops *ops);
void ieee80211_rate_control_unregister(struct rate_control_ops *ops); void ieee80211_rate_control_unregister(struct rate_control_ops *ops);
static inline bool
conf_is_ht20(struct ieee80211_conf *conf)
{
return conf->ht.channel_type == NL80211_CHAN_HT20;
}
static inline bool
conf_is_ht40_minus(struct ieee80211_conf *conf)
{
return conf->ht.channel_type == NL80211_CHAN_HT40MINUS;
}
static inline bool
conf_is_ht40_plus(struct ieee80211_conf *conf)
{
return conf->ht.channel_type == NL80211_CHAN_HT40PLUS;
}
static inline bool
conf_is_ht40(struct ieee80211_conf *conf)
{
return conf_is_ht40_minus(conf) || conf_is_ht40_plus(conf);
}
static inline bool
conf_is_ht(struct ieee80211_conf *conf)
{
return conf->ht.channel_type != NL80211_CHAN_NO_HT;
}
#endif /* MAC80211_H */ #endif /* MAC80211_H */