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authorLorenzo Bianconi <lorenzo.bianconi83@gmail.com>2016-02-23 17:43:35 +0300
committerJohannes Berg <johannes.berg@intel.com>2016-04-05 11:48:54 +0300
commit646e76bb5daf4ca38438c69ffb72cccb605f3466 (patch)
treec08ae80347129b2fd0064c8881ca2a452cea15fa /Documentation/networking
parent1948b2a2ec132115b422ae1feba1a3f5598f4acd (diff)
downloadlinux-646e76bb5daf4ca38438c69ffb72cccb605f3466.tar.xz
mac80211: parse VHT info in injected frames
Add VHT radiotap parsing support to ieee80211_parse_tx_radiotap(). That capability has been tested using a d-link dir-860l rev b1 running OpenWrt trunk and mt76 driver Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'Documentation/networking')
-rw-r--r--Documentation/networking/mac80211-injection.txt13
1 files changed, 13 insertions, 0 deletions
diff --git a/Documentation/networking/mac80211-injection.txt b/Documentation/networking/mac80211-injection.txt
index ec8f934c2eb2..e0efcaf5b0ee 100644
--- a/Documentation/networking/mac80211-injection.txt
+++ b/Documentation/networking/mac80211-injection.txt
@@ -45,6 +45,19 @@ radiotap headers and used to control injection:
number of retries when either IEEE80211_RADIOTAP_RATE or
IEEE80211_RADIOTAP_MCS was used
+ * IEEE80211_RADIOTAP_VHT
+
+ VHT mcs and number of streams used in the transmission (only for devices
+ without own rate control). Also other fields are parsed
+
+ flags field
+ IEEE80211_RADIOTAP_VHT_FLAG_SGI: use short guard interval
+
+ bandwidth field
+ 1: send using 40MHz channel width
+ 4: send using 80MHz channel width
+ 11: send using 160MHz channel width
+
The injection code can also skip all other currently defined radiotap fields
facilitating replay of captured radiotap headers directly.