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From: Andrew Melnychenko <andrew@daynix.com>
To: davem@davemloft.net, kuba@kernel.org, mst@redhat.com,
	jasowang@redhat.com, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	virtualization@lists.linux-foundation.org
Cc: yan@daynix.com, yuri.benditovich@daynix.com
Subject: [RFC PATCH 3/5] uapi/linux/virtio_net.h: Added USO types.
Date: Tue, 25 Jan 2022 10:47:00 +0200	[thread overview]
Message-ID: <20220125084702.3636253-4-andrew@daynix.com> (raw)
In-Reply-To: <20220125084702.3636253-1-andrew@daynix.com>

Added new GSO type for USO: VIRTIO_NET_HDR_GSO_UDP_L4.
Feature VIRTIO_NET_F_HOST_USO allows to enable NETIF_F_GSO_UDP_L4.
Separated VIRTIO_NET_F_GUEST_USO4 & VIRTIO_NET_F_GUEST_USO6 features
required for Windows guests.

Signed-off-by: Andrew Melnychenko <andrew@daynix.com>
---
 include/uapi/linux/virtio_net.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/uapi/linux/virtio_net.h b/include/uapi/linux/virtio_net.h
index 3f55a4215f11..620addc5767b 100644
--- a/include/uapi/linux/virtio_net.h
+++ b/include/uapi/linux/virtio_net.h
@@ -56,6 +56,9 @@
 #define VIRTIO_NET_F_MQ	22	/* Device supports Receive Flow
 					 * Steering */
 #define VIRTIO_NET_F_CTRL_MAC_ADDR 23	/* Set MAC address */
+#define VIRTIO_NET_F_GUEST_USO4	54	/* Guest can handle USOv4 in. */
+#define VIRTIO_NET_F_GUEST_USO6	55	/* Guest can handle USOv6 in. */
+#define VIRTIO_NET_F_HOST_USO	56	/* Host can handle USO in. */
 
 #define VIRTIO_NET_F_HASH_REPORT  57	/* Supports hash report */
 #define VIRTIO_NET_F_RSS	  60	/* Supports RSS RX steering */
@@ -130,6 +133,7 @@ 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 & IPv6 UDP (USO) */
 #define VIRTIO_NET_HDR_GSO_ECN		0x80	/* TCP has ECN set */
 	__u8 gso_type;
 	__virtio16 hdr_len;	/* Ethernet + IP + tcp/udp hdrs */
-- 
2.34.1

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  parent reply	other threads:[~2022-01-25  8:47 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-25  8:46 [RFC PATCH 0/5] TUN/VirtioNet USO features support Andrew Melnychenko
2022-01-25  8:46 ` [RFC PATCH 1/5] uapi/linux/if_tun.h: Added new ioctl for tun/tap Andrew Melnychenko
2022-02-09  4:25   ` Jason Wang
2022-02-22 13:28     ` Andrew Melnichenko
2022-02-23  3:53       ` Jason Wang
2022-02-23 13:31         ` Yuri Benditovich
2022-02-24  3:33           ` Jason Wang
2022-01-25  8:46 ` [RFC PATCH 2/5] driver/net/tun: Added features for USO Andrew Melnychenko
2022-01-25 13:42   ` kernel test robot
2022-01-25 13:42     ` kernel test robot
2022-01-25 15:14   ` kernel test robot
2022-02-09  4:39   ` Jason Wang
2022-02-22 13:22     ` Andrew Melnichenko
2022-01-25  8:47 ` Andrew Melnychenko [this message]
2022-02-09  4:41   ` [RFC PATCH 3/5] uapi/linux/virtio_net.h: Added USO types Jason Wang
2022-02-22 13:14     ` Andrew Melnichenko
2022-01-25  8:47 ` [RFC PATCH 4/5] linux/virtio_net.h: Added Support for GSO_UDP_L4 offload Andrew Melnychenko
2022-02-09  4:42   ` Jason Wang
2022-01-25  8:47 ` [RFC PATCH 5/5] drivers/net/virtio_net.c: Added USO support Andrew Melnychenko
2022-02-09  4:44   ` Jason Wang
2022-01-26  7:52 ` [RFC PATCH 0/5] TUN/VirtioNet USO features support Xuan Zhuo
2022-01-26  8:32   ` Yuri Benditovich
2022-02-08 13:09     ` Andrew Melnichenko
2022-02-09  5:41       ` Jason Wang
2022-02-22 13:05         ` Andrew Melnichenko
  -- strict thread matches above, loose matches on Subject: below --
2022-01-26 23:48 [RFC PATCH 2/5] driver/net/tun: Added features for USO kernel test robot
2022-01-27  7:21 ` Dan Carpenter

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