solos-pci: ensure all TX packets are aligned to 4 bytes
The FPGA can't handled unaligned DMA (yet). So copy into an aligned buffer, if skb->data isn't suitably aligned. Signed-off-by: NDavid Woodhouse <David.Woodhouse@intel.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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