[PATCH net-next,3/4] hv_netvsc: Add ethtool handler to set and get UDP hash levels

From: Haiyang Zhang The patch add the functions to switch UDP hash level between L3 and L4 by ethtool command. UDP over IPv4 and v6 can be set differently. The default hash level is L4. We currently only allow switching TX hash level from within the guests. On Azure, fragmented UDP packets have

[PATCH net-next,3/4] hv_netvsc: Add ethtool handler to set and get UDP hash levels

From: Haiyang Zhang The patch add the functions to switch UDP hash level between L3 and L4 by ethtool command. UDP over IPv4 and v6 can be set differently. The default hash level is L4. We currently only allow switching TX hash level from within the guests. On Azure, fragmented UDP packets have