diff options
author | Johannes Berg <johannes@sipsolutions.net> | 2008-10-29 20:00:45 +0100 |
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committer | John W. Linville <linville@tuxdriver.com> | 2008-11-10 15:17:35 -0500 |
commit | bd815252720e4b667d9946d050d003ec89bda099 (patch) | |
tree | d7bb98f512c8b48031f9df01745820b7d6dfb3ac /include | |
parent | 743b97caf98036ec8ee4bfc6fc6f85ad94e04783 (diff) | |
download | linux-3.10-bd815252720e4b667d9946d050d003ec89bda099.tar.gz linux-3.10-bd815252720e4b667d9946d050d003ec89bda099.tar.bz2 linux-3.10-bd815252720e4b667d9946d050d003ec89bda099.zip |
wireless: implement basic rate helper function
This adds a helper function that, given a bitmap of basic
rates and a bitrate returns the response rate for this rate.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'include')
-rw-r--r-- | include/net/wireless.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/net/wireless.h b/include/net/wireless.h index 41294c5f6f8..17d4b582cf3 100644 --- a/include/net/wireless.h +++ b/include/net/wireless.h @@ -341,6 +341,22 @@ ieee80211_get_channel(struct wiphy *wiphy, int freq) } /** + * ieee80211_get_response_rate - get basic rate for a given rate + * + * @sband: the band to look for rates in + * @basic_rates: bitmap of basic rates + * @bitrate: the bitrate for which to find the basic rate + * + * This function returns the basic rate corresponding to a given + * bitrate, that is the next lower bitrate contained in the basic + * rate map, which is, for this function, given as a bitmap of + * indices of rates in the band's bitrate table. + */ +struct ieee80211_rate * +ieee80211_get_response_rate(struct ieee80211_supported_band *sband, + u64 basic_rates, int bitrate); + +/** * regulatory_hint - driver hint to the wireless core a regulatory domain * @wiphy: the wireless device giving the hint (used only for reporting * conflicts) |