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With RX coalescing, one CQE entry can be used to indicate multiple packets on the receive queue. This saves processing time and PCI bandwidth over the CQ. The MANA Ethernet driver also uses the v2 version of the protocol. It doesn't use RX coalescing and its behavior is not changed. Link: https://lore.kernel.org/r/1684045095-31228-1-git-send-email-longli@linuxonhyperv.com Signed-off-by: Long Li <longli@microsoft.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>