Re: [RFC PATCH v4 12/17] vsock/loopback: support MSG_ZEROCOPY for transport

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

 



On Sat, Jun 03, 2023 at 11:49:34PM +0300, Arseniy Krasnov wrote:
Add 'msgzerocopy_allow()' callback for loopback transport.

Signed-off-by: Arseniy Krasnov <AVKrasnov@xxxxxxxxxxxxxx>
---
net/vmw_vsock/vsock_loopback.c | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/net/vmw_vsock/vsock_loopback.c b/net/vmw_vsock/vsock_loopback.c
index 5c6360df1f31..a2e4aeda2d92 100644
--- a/net/vmw_vsock/vsock_loopback.c
+++ b/net/vmw_vsock/vsock_loopback.c
@@ -47,6 +47,7 @@ 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);

I don't know why we did this for `vsock_loopback_seqpacket_allow`, but
can we just put the implementation here?


static struct virtio_transport loopback_transport = {
	.transport = {
@@ -92,11 +93,18 @@ static struct virtio_transport loopback_transport = {
		.notify_buffer_size       = virtio_transport_notify_buffer_size,

		.read_skb = virtio_transport_read_skb,
+
+		.msgzerocopy_allow        = vsock_loopback_msgzerocopy_allow,

Ditto the moving.

	},

	.send_pkt = vsock_loopback_send_pkt,
};

+static bool vsock_loopback_msgzerocopy_allow(void)
+{
+	return true;
+}
+
static bool vsock_loopback_seqpacket_allow(u32 remote_cid)
{
	return true;
--
2.25.1


_______________________________________________
Virtualization mailing list
Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx
https://lists.linuxfoundation.org/mailman/listinfo/virtualization



[Index of Archives]     [KVM Development]     [Libvirt Development]     [Libvirt Users]     [CentOS Virtualization]     [Netdev]     [Ethernet Bridging]     [Linux Wireless]     [Kernel Newbies]     [Security]     [Linux for Hams]     [Netfilter]     [Bugtraq]     [Yosemite Forum]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux Admin]     [Samba]

  Powered by Linux