virtio/vsock: replace virtio_vsock_pkt with sk_buff
This commit changes virtio/vsock to use sk_buff instead of virtio_vsock_pkt. Beyond better conforming to other net code, using sk_buff allows vsock to use sk_buff-dependent features in the future (such as sockmap) and improves throughput. This patch introduces the following performance changes: Tool: Uperf Env: Phys Host + L1 Guest Payload: 64k Threads: 16 Test Runs: 10 Type: SOCK_STREAM Before: commit b7bfaa76 ("Linux 6.2-rc3") Before ------ g2h: 16.77Gb/s h2g: 10.56Gb/s After ----- g2h: 21.04Gb/s h2g: 10.76Gb/s Signed-off-by: Bobby Eshleman <bobby.eshleman@bytedance.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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