Re: [PATCH v2 2/2] mac80211: parse VHT info in injected frames

[Johannes Berg <johannes@sipsolutions.net>]

On Fri, 2016-02-19 at 11:43 +0100, Lorenzo Bianconi wrote:
> 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>
> ---
>  Documentation/networking/mac80211-injection.txt | 10 ++++++++
>  net/mac80211/tx.c                               | 31
> +++++++++++++++++++++++++
>  2 files changed, 41 insertions(+)
> 
> diff --git a/Documentation/networking/mac80211-injection.txt
> b/Documentation/networking/mac80211-injection.txt
> index ec8f934..ef57cc0 100644
> --- a/Documentation/networking/mac80211-injection.txt
> +++ b/Documentation/networking/mac80211-injection.txt
> @@ -45,6 +45,16 @@ 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 rate for the transmission (only for devices without own rate
> control).
> +   Also some flags are parsed
> +
> +   IEEE80211_TX_RC_SHORT_GI: use short guard interval
> +   IEEE80211_TX_RC_40_MHZ_WIDTH: send in HT40 mode
> +   IEEE80211_TX_RC_80_MHZ_WIDTH: send in HT80 mode
> +   IEEE80211_TX_RC_160_MHZ_WIDTH: send in HT160 mode
> 
This makes no sense, those are mac80211 internal flags, should document
the radiotap flags here, not what they map to internally.

johannes