vmxnet3: add support to get/set rx flow hash
With vmxnet3 version 4, the emulation supports multiqueue(RSS) for UDP and ESP traffic. A guest can enable/disable RSS for UDP/ESP over IPv4/IPv6 by issuing commands introduced in this patch. ESP ipv6 is not yet supported in this patch. This patch implements get_rss_hash_opts and set_rss_hash_opts methods to allow querying and configuring different Rx flow hash configurations. Signed-off-by: Ronak Doshi <doshir@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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