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authorArseniy Krasnov <avkrasnov@salutedevices.com>2023-10-10 22:15:19 +0300
committerDavid S. Miller <davem@davemloft.net>2023-10-15 15:19:42 +0300
commitcfdca3904687d851436076080779c271bc31eb20 (patch)
tree6a0ba5a0ded4594e32d982784a60e1562be4602a /net
parente2fcc326b4986b6f557acb244b5be218cc10951e (diff)
downloadlinux-cfdca3904687d851436076080779c271bc31eb20.tar.xz
vsock/loopback: support MSG_ZEROCOPY for transport
Add 'msgzerocopy_allow()' callback for loopback transport. Signed-off-by: Arseniy Krasnov <avkrasnov@salutedevices.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/vmw_vsock/vsock_loopback.c6
1 files changed, 6 insertions, 0 deletions
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,