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authorLorenzo Bianconi <lorenzo.bianconi83@gmail.com>2015-08-06 23:47:33 +0200
committerJohannes Berg <johannes.berg@intel.com>2015-08-14 17:49:51 +0200
commitb119ad6e726cc805f739f8f6843b9de4df1f895e (patch)
tree059dd7446c6e86eb3df1619efd7acab6a9e07a96 /net/mac80211/vht.c
parente910867bd285bb8470c47076d99d0325aaea895c (diff)
downloadlinux-b119ad6e726cc805f739f8f6843b9de4df1f895e.tar.bz2
mac80211: add rate mask logic for vht rates
Define rc_rateidx_vht_mcs_mask array and rate_idx_match_vht_mcs_mask() method in order to apply mcs mask for vht rates Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/vht.c')
-rw-r--r--net/mac80211/vht.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c
index f05808d0d80f..834ccdbc74be 100644
--- a/net/mac80211/vht.c
+++ b/net/mac80211/vht.c
@@ -426,3 +426,29 @@ void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
if (changed > 0)
rate_control_rate_update(local, sband, sta, changed);
}
+
+void ieee80211_get_vht_mask_from_cap(__le16 vht_cap,
+ u16 vht_mask[NL80211_VHT_NSS_MAX])
+{
+ int i;
+ u16 mask, cap = le16_to_cpu(vht_cap);
+
+ for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
+ mask = (cap >> i * 2) & IEEE80211_VHT_MCS_NOT_SUPPORTED;
+ switch (mask) {
+ case IEEE80211_VHT_MCS_SUPPORT_0_7:
+ vht_mask[i] = 0x00FF;
+ break;
+ case IEEE80211_VHT_MCS_SUPPORT_0_8:
+ vht_mask[i] = 0x01FF;
+ break;
+ case IEEE80211_VHT_MCS_SUPPORT_0_9:
+ vht_mask[i] = 0x03FF;
+ break;
+ case IEEE80211_VHT_MCS_NOT_SUPPORTED:
+ default:
+ vht_mask[i] = 0;
+ break;
+ }
+ }
+}