Re: [RFC PATCH v5 12/17] vsock/loopback: support MSG_ZEROCOPY for transport
From: Stefano Garzarella <sgarzare@redhat.com>
Date: 2023-07-06 16:57:22
Also in:
kvm, lkml, netdev
On Sat, Jul 01, 2023 at 09:39:42AM +0300, Arseniy Krasnov wrote:
Add 'msgzerocopy_allow()' callback for loopback transport. Signed-off-by: Arseniy Krasnov <redacted> --- Changelog: v4 -> v5: * Move 'msgzerocopy_allow' right after seqpacket callbacks. * Don't use prototype for 'vsock_loopback_msgzerocopy_allow()'. net/vmw_vsock/vsock_loopback.c | 6 ++++++ 1 file changed, 6 insertions(+)
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
quoted hunk
diff --git a/net/vmw_vsock/vsock_loopback.c b/net/vmw_vsock/vsock_loopback.c index 5c6360df1f31..048640167411 100644 --- a/net/vmw_vsock/vsock_loopback.c +++ b/net/vmw_vsock/vsock_loopback.c@@ -47,6 +47,10 @@ static int vsock_loopback_cancel_pkt(struct vsock_sock *vsk)} static bool vsock_loopback_seqpacket_allow(u32 remote_cid); +static bool vsock_loopback_msgzerocopy_allow(void) +{ + return true; +} static struct virtio_transport loopback_transport = { .transport = {@@ -79,6 +83,8 @@ static struct virtio_transport loopback_transport = {.seqpacket_allow = vsock_loopback_seqpacket_allow, .seqpacket_has_data = virtio_transport_seqpacket_has_data, + .msgzerocopy_allow = vsock_loopback_msgzerocopy_allow, + .notify_poll_in = virtio_transport_notify_poll_in, .notify_poll_out = virtio_transport_notify_poll_out, .notify_recv_init = virtio_transport_notify_recv_init, -- 2.25.1
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