[PATCH RFC 4/4] vsock/virtio: increase RX buffer size to 64 KiB

From: Stefano Garzarella
Date: Thu Apr 04 2019 - 06:59:07 EST


In order to increase host -> guest throughput with large packets,
we can use 64 KiB RX buffers.

Signed-off-by: Stefano Garzarella <sgarzare@xxxxxxxxxx>
---
include/linux/virtio_vsock.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/virtio_vsock.h b/include/linux/virtio_vsock.h
index 6d7a22cc20bf..43cce304408e 100644
--- a/include/linux/virtio_vsock.h
+++ b/include/linux/virtio_vsock.h
@@ -10,7 +10,7 @@
#define VIRTIO_VSOCK_DEFAULT_MIN_BUF_SIZE 128
#define VIRTIO_VSOCK_DEFAULT_BUF_SIZE (1024 * 256)
#define VIRTIO_VSOCK_DEFAULT_MAX_BUF_SIZE (1024 * 256)
-#define VIRTIO_VSOCK_DEFAULT_RX_BUF_SIZE (1024 * 4)
+#define VIRTIO_VSOCK_DEFAULT_RX_BUF_SIZE (1024 * 64)
#define VIRTIO_VSOCK_MAX_BUF_SIZE 0xFFFFFFFFUL
#define VIRTIO_VSOCK_MAX_PKT_BUF_SIZE (1024 * 64)

--
2.20.1