Thread (23 messages) flat view 23 messages, 3 authors, 2021-05-12
STALE1918d

[PATCH 1/4] virtio-net: add definitions for host USO feature

From: Yuri Benditovich <hidden>
Date: 2021-05-11 04:43:26
Also in: lkml, virtualization
Subsystem: the rest, virtio core, virtio net driver · Maintainers: Linus Torvalds, "Michael S. Tsirkin", Jason Wang

Define feature bit and GSO type according to the VIRTIO
specification.

Signed-off-by: Yuri Benditovich <redacted>
---
 include/uapi/linux/virtio_net.h | 2 ++
 1 file changed, 2 insertions(+)
diff --git a/include/uapi/linux/virtio_net.h b/include/uapi/linux/virtio_net.h
index 3f55a4215f11..a556ac735d7f 100644
--- a/include/uapi/linux/virtio_net.h
+++ b/include/uapi/linux/virtio_net.h
@@ -57,6 +57,7 @@
 					 * Steering */
 #define VIRTIO_NET_F_CTRL_MAC_ADDR 23	/* Set MAC address */
 
+#define VIRTIO_NET_F_HOST_USO     56	/* Host can handle USO packets */
 #define VIRTIO_NET_F_HASH_REPORT  57	/* Supports hash report */
 #define VIRTIO_NET_F_RSS	  60	/* Supports RSS RX steering */
 #define VIRTIO_NET_F_RSC_EXT	  61	/* extended coalescing info */
@@ -130,6 +131,7 @@ struct virtio_net_hdr_v1 {
 #define VIRTIO_NET_HDR_GSO_TCPV4	1	/* GSO frame, IPv4 TCP (TSO) */
 #define VIRTIO_NET_HDR_GSO_UDP		3	/* GSO frame, IPv4 UDP (UFO) */
 #define VIRTIO_NET_HDR_GSO_TCPV6	4	/* GSO frame, IPv6 TCP */
+#define VIRTIO_NET_HDR_GSO_UDP_L4	5	/* GSO frame, IPv4 UDP (USO) */
 #define VIRTIO_NET_HDR_GSO_ECN		0x80	/* TCP has ECN set */
 	__u8 gso_type;
 	__virtio16 hdr_len;	/* Ethernet + IP + tcp/udp hdrs */
-- 
2.26.3
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