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Re: [PATCH V2 0/9] nl80211: add support for PTK/GTK handshake offload

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On Fri, 2017-06-02 at 13:19 +0200, Arend van Spriel wrote:

> I was thinking about adding a DOC section in nl80211.h:

Sure!

> /**
>   * DOC: WPA/WPA2 temporal key exchange offload
>   *
>   * By setting @NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK flag
> drivers
>   * can indicate offload support of EAPOL handshakes for WPA/WPA2

can indicate they support offloading EAPOL ...?

>   * preshared key authentication. In %NL80211_CMD_CONNECT the
> preshared
>   * key should be specified using %NL80211_ATTR_PMK. Drivers
> supporting
>   * this offload may reject the %NL80211_CMD_CONNECT when no
> preshared
>   * key material is provided. For example when that driver does not
>   * support setting the temporal keys through %NL80211_CMD_NEW_KEY.

[...] is provided, for example when [...]

I think? Starting with "For example" seems odd to me.

>   *
>   * Similarly @NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X flag can be
>   * set by drivers indicating offload support of the PTK/GTK EAPOL
>   * handshakes during 802.1X authentication. In order to use the
> offload
>   * the %NL80211_CMD_CONNECT should have
> %NL80211_ATTR_WANT_1X_4WAY_HS
>   * attribute flag. Drivers supporting this offload may reject the
>   * %NL80211_CMD_CONNECT when the attribute flag is not present.
>   */
> 
> Could add description for FT, ie. PMK-R0 handling as well. Do you
> think this change warrants a separate section or not. Any comments on
> the text itself are welcome.

I think that's good to have.

johannes



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