On 2016-02-23 15:29, Johannes Berg wrote: > On Fri, 2016-02-19 at 11:01 +0100, Janusz Dziedzic wrote: >> HW/driver should set NEED_ALIGNED4_SKBS flag in case >> require aligned skbs to four-byte boundaries. >> This affect only TX direction. >> >> Padding is added after ieee80211_hdr, before IV/LLC. > > I'm still not super happy with how invasive these patches are. > > Perhaps we could live with this being done only for the fast-xmit case? I don't think we should pass padded vs non-padded frames depending on whether fast-xmit was used. The non-fast-xmit codepath could simply do the memmove at the end of the tx handlers though.
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