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@xxxxxxxxxxx>
---
include/net/mac80211.h | 40 ++++++++++++++++++++++++++++++++++++++++
1 files changed, 40 insertions(+), 0 deletions(-)
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index b3bd00a..33891f9 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1963,4 +1963,44 @@ rate_lowest_index(struct ieee80211_supported_band *sband,
int ieee80211_rate_control_register(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)
+{
+ if (conf->ht.channel_type == NL80211_CHAN_HT20)
+ return true;
+ return false;
+}
+
+static inline bool
+conf_is_ht40_minus(struct ieee80211_conf *conf)
+{
+ if (conf->ht.channel_type == NL80211_CHAN_HT40MINUS)
+ return true;
+ return false;
+}
+
+static inline bool
+conf_is_ht40_plus(struct ieee80211_conf *conf)
+{
+ if (conf->ht.channel_type == NL80211_CHAN_HT40PLUS)
+ return true;
+ return false;
+}
+
+static inline bool
+conf_is_ht40(struct ieee80211_conf *conf)
+{
+ if (conf_is_ht40_minus(conf) || conf_is_ht40_plus(conf))
+ return true;
+ return false;
+}
+
+static inline bool
+conf_is_ht(struct ieee80211_conf *conf)
+{
+ if (conf_is_ht20(conf) || conf_is_ht40(conf))
+ return true;
+ return false;
+}
+
#endif /* MAC80211_H */
--
1.5.6.rc2.15.g457bb.dirty
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