Loic Poulain <loic.poulain@xxxxxxxxxx> wrote: > WCNSS RX DMA transfer support is limited to 3872 bytes, which is > enough for simple MPDUs (single MSDU), but not enough for cases > with A-MSDU (depending on max AMSDU size or max MPDU size). > > In that case the MPDU is spread over multiple transfers, with the > first transfer containing the MPDU header and (at least) the first > A-MSDU subframe and additional transfer(s) containing the following > A-MSDUs. This can be handled with a series of flags to tagging the > first and last A-MSDU transfers. > > In that case we have to bufferize and re-linearize the A-MSDU buffers > into a proper MPDU skb before forwarding to mac80211 (in the same way > as it is done in ath10k). > > This change also includes sanity check of the buffer descriptor to > prevent skb overflow. > > Signed-off-by: Loic Poulain <loic.poulain@xxxxxxxxxx> > Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx> Loic, what should I do with this patch? Bryan is hesitant but I would be fine to take this. You have to decide :) -- https://patchwork.kernel.org/project/linux-wireless/patch/1634557705-11120-1-git-send-email-loic.poulain@xxxxxxxxxx/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
