On Mon, 2008-12-22 at 10:20 -0800, Luis Rodriguez wrote:
> 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>
Acked-by: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
> ---
> include/net/mac80211.h | 30 ++++++++++++++++++++++++++++++
> 1 files changed, 30 insertions(+), 0 deletions(-)
>
> diff --git a/include/net/mac80211.h b/include/net/mac80211.h
> index b3bd00a..ee2b75e 100644
> --- a/include/net/mac80211.h
> +++ b/include/net/mac80211.h
> @@ -1963,4 +1963,34 @@ 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)
> +{
> + 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 */
> --
> 1.6.1.rc3.51.g5832d
>
>
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