diff options
Diffstat (limited to 'net/wireless/util.c')
| -rw-r--r-- | net/wireless/util.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/net/wireless/util.c b/net/wireless/util.c index f54424693a38..e76cc28b0345 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -7,6 +7,25 @@ #include <asm/bitops.h> #include "core.h" +struct ieee80211_rate * +ieee80211_get_response_rate(struct ieee80211_supported_band *sband, + u64 basic_rates, int bitrate) +{ + struct ieee80211_rate *result = &sband->bitrates[0]; + int i; + + for (i = 0; i < sband->n_bitrates; i++) { + if (!(basic_rates & BIT(i))) + continue; + if (sband->bitrates[i].bitrate > bitrate) + continue; + result = &sband->bitrates[i]; + } + + return result; +} +EXPORT_SYMBOL(ieee80211_get_response_rate); + int ieee80211_channel_to_frequency(int chan) { if (chan < 14) |