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The padata free functions make reference to their parent workqueue, so
it's important that we wait to free the workqueue after the padata.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Per http://lists.openwall.net/netdev/2016/05/03/87 dev->trans_start has
been removed, and updates are now supposed to be handled with
netif_trans_update, which now updates the particular txqueue's
trans_start instead.
However, netdev_start_xmit already updates this member after calling
ndo_start_xmit, so the new netif_trans_update function smartly makes the
comment that for drivers that don't use LLTX, it's not neccessary to
call netif_trans_update.
Except we do use LLTX, so it would seem again that we do need to be
calling netif_trans_update. However, glancing at drivers like vxlan and
other similar virtual tunnels, this doesn't seem to be the case. I
suspect the reason is that we both also set IFF_NO_QUEUE, so we aren't
even using a txqueue for updating.
Thus, this patch removes updating of trans_start all together. I believe
this should be okay for older kernels too.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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With packets hitting multiple cores, a 64bit backtrack was too small.
This algorithm increases our backtrack to 1984bits.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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