Search Linux Wireless

RE: [PATCH] ath10k: add mic bytes for pmf management packet

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



> -----Original Message-----
> From: ath10k <ath10k-bounces@xxxxxxxxxxxxxxxxxxx> On Behalf Of Ben
> Greear
> Sent: Tuesday, June 18, 2019 12:04 AM
> To: Wen Gong <wgong@xxxxxxxxxxxxxx>; ath10k@xxxxxxxxxxxxxxxxxxx
> Cc: linux-wireless@xxxxxxxxxxxxxxx
> Subject: [EXT] Re: [PATCH] ath10k: add mic bytes for pmf management
> packet
> 
> I was looking at mac80211 code recently, and it seems some action
> frames are NOT supposed to be protected.  I added my own helper
> method to my local ath10k.  Maybe you want to use this?
> 
> 
> /* Copied from ieee80211_is_robust_mgmt_frame, but disable the check for
> has_protected
>   * since we do tx hw crypt, and it won't actually be encrypted even when this
> flag is
>   * set.
>   */
> bool ieee80211_is_robust_mgmt_frame_tx(struct ieee80211_hdr *hdr)
> {
>          if (ieee80211_is_disassoc(hdr->frame_control) ||
>              ieee80211_is_deauth(hdr->frame_control))
>                  return true;
> 
>          if (ieee80211_is_action(hdr->frame_control)) {
>                  u8 *category;
> 
>                  /*
>                   * Action frames, excluding Public Action frames, are Robust
>                   * Management Frames. However, if we are looking at a Protected
>                   * frame, skip the check since the data may be encrypted and
>                   * the frame has already been found to be a Robust Management
>                   * Frame (by the other end).
>                   */
> 		/*
> 		if (ieee80211_has_protected(hdr->frame_control))
>                          return true;
> 		*/
>                  category = ((u8 *) hdr) + 24;
>                  return *category != WLAN_CATEGORY_PUBLIC &&
>                          *category != WLAN_CATEGORY_HT &&
>                          *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
>                          *category != WLAN_CATEGORY_SELF_PROTECTED &&
>                          *category != WLAN_CATEGORY_UNPROT_DMG &&
>                          *category != WLAN_CATEGORY_VHT &&
>                          *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
>          }
> 
>          return false;
> }
> 
> Thanks,
> Ben
> 
> > +
> >   	data_len = msdu->len;
> >
> >   	switch (txmode) {
> >
> 
> 
Thanks Ben,

seems the ieee80211_is_robust_mgmt_frame_tx is not 
match my change.




[Index of Archives]     [Linux Host AP]     [ATH6KL]     [Linux Wireless Personal Area Network]     [Linux Bluetooth]     [Wireless Regulations]     [Linux Netdev]     [Kernel Newbies]     [Linux Kernel]     [IDE]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite Hiking]     [MIPS Linux]     [ARM Linux]     [Linux RAID]

  Powered by Linux