Re: [RFC PATCH v5 12/17] vsock/loopback: support MSG_ZEROCOPY for transport

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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 <AVKrasnov@xxxxxxxxxxxxxx>
---
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@xxxxxxxxxx>


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





[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]

  Powered by Linux