diff options
author | Johannes Berg <johannes@sipsolutions.net> | 2008-10-29 15:00:45 -0400 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2008-11-10 15:17:35 -0500 |
commit | bd815252720e4b667d9946d050d003ec89bda099 (patch) | |
tree | d7bb98f512c8b48031f9df01745820b7d6dfb3ac /include | |
parent | 743b97caf98036ec8ee4bfc6fc6f85ad94e04783 (diff) |
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 41294c5f6f8f..17d4b582cf34 100644 --- a/include/net/wireless.h +++ b/include/net/wireless.h | |||
@@ -341,6 +341,22 @@ ieee80211_get_channel(struct wiphy *wiphy, int freq) | |||
341 | } | 341 | } |
342 | 342 | ||
343 | /** | 343 | /** |
344 | * ieee80211_get_response_rate - get basic rate for a given rate | ||
345 | * | ||
346 | * @sband: the band to look for rates in | ||
347 | * @basic_rates: bitmap of basic rates | ||
348 | * @bitrate: the bitrate for which to find the basic rate | ||
349 | * | ||
350 | * This function returns the basic rate corresponding to a given | ||
351 | * bitrate, that is the next lower bitrate contained in the basic | ||
352 | * rate map, which is, for this function, given as a bitmap of | ||
353 | * indices of rates in the band's bitrate table. | ||
354 | */ | ||
355 | struct ieee80211_rate * | ||
356 | ieee80211_get_response_rate(struct ieee80211_supported_band *sband, | ||
357 | u64 basic_rates, int bitrate); | ||
358 | |||
359 | /** | ||
344 | * regulatory_hint - driver hint to the wireless core a regulatory domain | 360 | * regulatory_hint - driver hint to the wireless core a regulatory domain |
345 | * @wiphy: the wireless device giving the hint (used only for reporting | 361 | * @wiphy: the wireless device giving the hint (used only for reporting |
346 | * conflicts) | 362 | * conflicts) |