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authorSimon Wunderlich <simon.wunderlich@s2003.tu-chemnitz.de>2013-07-08 16:55:54 +0200
committerJohannes Berg <johannes.berg@intel.com>2013-07-16 09:58:07 +0300
commit74608aca4d82e2855b1a6a2cd60331d1a98f2d6a (patch)
tree43fdcc2e5cfa602c37bdd196cd583b10551c52ff /net/wireless/util.c
parent2103dec14792be2c2194a454630b01120d30e5cb (diff)
downloadlinux-stericsson-74608aca4d82e2855b1a6a2cd60331d1a98f2d6a.tar.gz
cfg80211/mac80211: get mandatory rates based on scan width
Mandatory rates for 5 and 10 MHz are different from the rates used for 20 MHz in 2.4 GHz mode, as they use OFDM only. Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Diffstat (limited to 'net/wireless/util.c')
-rw-r--r--net/wireless/util.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 74458b7f61eb..ce090c1c5e4f 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -33,7 +33,8 @@ ieee80211_get_response_rate(struct ieee80211_supported_band *sband,
}
EXPORT_SYMBOL(ieee80211_get_response_rate);
-u32 ieee80211_mandatory_rates(struct ieee80211_supported_band *sband)
+u32 ieee80211_mandatory_rates(struct ieee80211_supported_band *sband,
+ enum nl80211_bss_scan_width scan_width)
{
struct ieee80211_rate *bitrates;
u32 mandatory_rates = 0;
@@ -43,10 +44,15 @@ u32 ieee80211_mandatory_rates(struct ieee80211_supported_band *sband)
if (WARN_ON(!sband))
return 1;
- if (sband->band == IEEE80211_BAND_2GHZ)
- mandatory_flag = IEEE80211_RATE_MANDATORY_B;
- else
+ if (sband->band == IEEE80211_BAND_2GHZ) {
+ if (scan_width == NL80211_BSS_CHAN_WIDTH_5 ||
+ scan_width == NL80211_BSS_CHAN_WIDTH_10)
+ mandatory_flag = IEEE80211_RATE_MANDATORY_G;
+ else
+ mandatory_flag = IEEE80211_RATE_MANDATORY_B;
+ } else {
mandatory_flag = IEEE80211_RATE_MANDATORY_A;
+ }
bitrates = sband->bitrates;
for (i = 0; i < sband->n_bitrates; i++)