Gunnar Beutner b436dd138b Kernel: Avoid allocations when sending IP packets ...

Previously we'd allocate buffers when sending packets. This patch
avoids these allocations by using the NetworkAdapter's packet queue.

At the same time this also avoids copying partially constructed
packets in order to prepend Ethernet and/or IPv4 headers. It also
properly truncates UDP and raw IP packets.

2021-05-26 23:09:28 +02:00

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