From: Johannes Berg <johannes@sipsolutions.net> To: Alexander Wetzel <alexander@wetzel-home.de>, luciano.coelho@intel.com Cc: linux-wireless@vger.kernel.org, linuxwifi@intel.com Subject: Re: [PATCH] iwlwifi: Extended Key ID support for mvm and dvm Date: Mon, 19 Aug 2019 22:09:14 +0200 Message-ID: <5bc077f7b2f017da7c027edd27a543910dd6ac32.camel@sipsolutions.net> (raw) In-Reply-To: <52914e64663283eeff9445b8b1fb37986c15223d.camel@sipsolutions.net> (sfid-20190819_220332_573678_41D0461A) On Mon, 2019-08-19 at 22:03 +0200, Johannes Berg wrote: > > > While less desirable we still could get that working: The mvm driver > > would have to detect the key borders and then tell the firmware to > > switch over to the other key. But we would have to make sure to not > > re-enable A-MPDU aggregation till the card really has switched. > So probably you're right, and we'd have to disable A-MPDUs until we have > no outstanding old-key-retransmits, but that seems manageable. Actually, we probably have to even delay the key switch until there are no more frames to retransmit, because the hardware is involved to some extent and it won't know about two keys or something... Not really sure how it all works though, off the top of my head. johannes
next prev parent reply index Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-08-19 18:05 Alexander Wetzel 2019-08-19 18:51 ` Johannes Berg 2019-08-19 19:57 ` Alexander Wetzel 2019-08-19 20:03 ` Johannes Berg 2019-08-19 20:09 ` Johannes Berg [this message] 2019-08-19 20:50 ` Alexander Wetzel 2019-08-19 20:42 ` Alexander Wetzel 2019-09-06 20:41 ` Alexander Wetzel
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