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mac80211: parse VHT info in injected frames

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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>
This commit is contained in:
Lorenzo Bianconi
2016-02-23 15:43:35 +01:00
committed by Johannes Berg
parent 1948b2a2ec
commit 646e76bb5d
2 changed files with 44 additions and 0 deletions
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13
Documentation/networking/mac80211-injection.txt
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@@ -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.