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From: Paolo Abeni <pabeni@redhat.com>
To: qemu-devel@nongnu.org
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	Dmitry Fleytman <dmitry.fleytman@gmail.com>,
	Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp>,
	Jason Wang <jasowang@redhat.com>,
	Sriram Yagnaraman <sriram.yagnaraman@ericsson.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	Stefano Garzarella <sgarzare@redhat.com>,
	Cornelia Huck <cohuck@redhat.com>,
	Luigi Rizzo <lrizzo@google.com>,
	Giuseppe Lettieri <g.lettieri@iet.unipi.it>,
	Vincenzo Maffione <v.maffione@gmail.com>,
	Eric Blake <eblake@redhat.com>,
	Markus Armbruster <armbru@redhat.com>,
	kvm@vger.kernel.org
Subject: [PATCH RFC v2 02/13] linux-headers: Update to Linux ~v6.16-rc5 net-next
Date: Fri, 11 Jul 2025 15:02:07 +0200	[thread overview]
Message-ID: <b7abff85e15377763263e905370c604f13c47c69.1752229731.git.pabeni@redhat.com> (raw)
In-Reply-To: <cover.1752229731.git.pabeni@redhat.com>

Update headers to include the virtio GSO over UDP tunnel features

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
--
Note: while the relevant change are not into Linus's tree yet, they have
been merged in the net-next tree and they should land into the vanilla
tree during the next merge window.
---
 include/standard-headers/linux/ethtool.h     |  4 +--
 include/standard-headers/linux/vhost_types.h |  5 +++
 include/standard-headers/linux/virtio_net.h  | 33 ++++++++++++++++++++
 linux-headers/asm-x86/kvm.h                  |  8 ++++-
 linux-headers/linux/kvm.h                    |  4 +++
 linux-headers/linux/vhost.h                  |  7 +++++
 6 files changed, 58 insertions(+), 3 deletions(-)

diff --git a/include/standard-headers/linux/ethtool.h b/include/standard-headers/linux/ethtool.h
index cef0d207a6..eb80314028 100644
--- a/include/standard-headers/linux/ethtool.h
+++ b/include/standard-headers/linux/ethtool.h
@@ -2314,7 +2314,7 @@ enum {
 	IPV6_USER_FLOW	= 0x0e, /* spec only (usr_ip6_spec; nfc only) */
 	IPV4_FLOW	= 0x10, /* hash only */
 	IPV6_FLOW	= 0x11, /* hash only */
-	ETHER_FLOW	= 0x12, /* spec only (ether_spec) */
+	ETHER_FLOW	= 0x12, /* hash or spec (ether_spec) */
 
 	/* Used for GTP-U IPv4 and IPv6.
 	 * The format of GTP packets only includes
@@ -2371,7 +2371,7 @@ enum {
 /* Flag to enable RSS spreading of traffic matching rule (nfc only) */
 #define	FLOW_RSS	0x20000000
 
-/* L3-L4 network traffic flow hash options */
+/* L2-L4 network traffic flow hash options */
 #define	RXH_L2DA	(1 << 1)
 #define	RXH_VLAN	(1 << 2)
 #define	RXH_L3_PROTO	(1 << 3)
diff --git a/include/standard-headers/linux/vhost_types.h b/include/standard-headers/linux/vhost_types.h
index fd54044936..4a3aacc39e 100644
--- a/include/standard-headers/linux/vhost_types.h
+++ b/include/standard-headers/linux/vhost_types.h
@@ -110,6 +110,11 @@ struct vhost_msg_v2 {
 	};
 };
 
+struct vhost_features_array {
+	uint64_t count; /* number of entries present in features array */
+	uint64_t features[] __counted_by(count);
+};
+
 struct vhost_memory_region {
 	uint64_t guest_phys_addr;
 	uint64_t memory_size; /* bytes */
diff --git a/include/standard-headers/linux/virtio_net.h b/include/standard-headers/linux/virtio_net.h
index 982e854f14..93abaae0b9 100644
--- a/include/standard-headers/linux/virtio_net.h
+++ b/include/standard-headers/linux/virtio_net.h
@@ -70,6 +70,28 @@
 					 * with the same MAC.
 					 */
 #define VIRTIO_NET_F_SPEED_DUPLEX 63	/* Device set linkspeed and duplex */
+#define VIRTIO_NET_F_GUEST_UDP_TUNNEL_GSO 65 /* Driver can receive
+					      * GSO-over-UDP-tunnel packets
+					      */
+#define VIRTIO_NET_F_GUEST_UDP_TUNNEL_GSO_CSUM 66 /* Driver handles
+						   * GSO-over-UDP-tunnel
+						   * packets with partial csum
+						   * for the outer header
+						   */
+#define VIRTIO_NET_F_HOST_UDP_TUNNEL_GSO 67 /* Device can receive
+					     * GSO-over-UDP-tunnel packets
+					     */
+#define VIRTIO_NET_F_HOST_UDP_TUNNEL_GSO_CSUM 68 /* Device handles
+						  * GSO-over-UDP-tunnel
+						  * packets with partial csum
+						  * for the outer header
+						  */
+
+/* Offloads bits corresponding to VIRTIO_NET_F_HOST_UDP_TUNNEL_GSO{,_CSUM}
+ * features
+ */
+#define VIRTIO_NET_F_GUEST_UDP_TUNNEL_GSO_MAPPED	46
+#define VIRTIO_NET_F_GUEST_UDP_TUNNEL_GSO_CSUM_MAPPED	47
 
 #ifndef VIRTIO_NET_NO_LEGACY
 #define VIRTIO_NET_F_GSO	6	/* Host handles pkts w/ any GSO type */
@@ -131,12 +153,17 @@ struct virtio_net_hdr_v1 {
 #define VIRTIO_NET_HDR_F_NEEDS_CSUM	1	/* Use csum_start, csum_offset */
 #define VIRTIO_NET_HDR_F_DATA_VALID	2	/* Csum is valid */
 #define VIRTIO_NET_HDR_F_RSC_INFO	4	/* rsc info in csum_ fields */
+#define VIRTIO_NET_HDR_F_UDP_TUNNEL_CSUM 8	/* UDP tunnel csum offload */
 	uint8_t flags;
 #define VIRTIO_NET_HDR_GSO_NONE		0	/* Not a GSO frame */
 #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_UDP_TUNNEL_IPV4 0x20 /* UDPv4 tunnel present */
+#define VIRTIO_NET_HDR_GSO_UDP_TUNNEL_IPV6 0x40 /* UDPv6 tunnel present */
+#define VIRTIO_NET_HDR_GSO_UDP_TUNNEL (VIRTIO_NET_HDR_GSO_UDP_TUNNEL_IPV4 | \
+				       VIRTIO_NET_HDR_GSO_UDP_TUNNEL_IPV6)
 #define VIRTIO_NET_HDR_GSO_ECN		0x80	/* TCP has ECN set */
 	uint8_t gso_type;
 	__virtio16 hdr_len;	/* Ethernet + IP + tcp/udp hdrs */
@@ -181,6 +208,12 @@ struct virtio_net_hdr_v1_hash {
 	uint16_t padding;
 };
 
+struct virtio_net_hdr_v1_hash_tunnel {
+	struct virtio_net_hdr_v1_hash hash_hdr;
+	uint16_t outer_th_offset;
+	uint16_t inner_nh_offset;
+};
+
 #ifndef VIRTIO_NET_NO_LEGACY
 /* This header comes first in the scatter-gather list.
  * For legacy virtio, if VIRTIO_F_ANY_LAYOUT is not negotiated, it must
diff --git a/linux-headers/asm-x86/kvm.h b/linux-headers/asm-x86/kvm.h
index cd275ae76d..f0c1a730d9 100644
--- a/linux-headers/asm-x86/kvm.h
+++ b/linux-headers/asm-x86/kvm.h
@@ -963,7 +963,13 @@ struct kvm_tdx_cmd {
 struct kvm_tdx_capabilities {
 	__u64 supported_attrs;
 	__u64 supported_xfam;
-	__u64 reserved[254];
+
+	__u64 kernel_tdvmcallinfo_1_r11;
+	__u64 user_tdvmcallinfo_1_r11;
+	__u64 kernel_tdvmcallinfo_1_r12;
+	__u64 user_tdvmcallinfo_1_r12;
+
+	__u64 reserved[250];
 
 	/* Configurable CPUID bits for userspace */
 	struct kvm_cpuid2 cpuid;
diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
index 0690743944..32c5885a3c 100644
--- a/linux-headers/linux/kvm.h
+++ b/linux-headers/linux/kvm.h
@@ -459,6 +459,10 @@ struct kvm_run {
 					__u64 leaf;
 					__u64 r11, r12, r13, r14;
 				} get_tdvmcall_info;
+				struct {
+					__u64 ret;
+					__u64 vector;
+				} setup_event_notify;
 			};
 		} tdx;
 		/* Fix the size of the union. */
diff --git a/linux-headers/linux/vhost.h b/linux-headers/linux/vhost.h
index d4b3e2ae13..d6ad01fbb8 100644
--- a/linux-headers/linux/vhost.h
+++ b/linux-headers/linux/vhost.h
@@ -235,4 +235,11 @@
  */
 #define VHOST_VDPA_GET_VRING_SIZE	_IOWR(VHOST_VIRTIO, 0x82,	\
 					      struct vhost_vring_state)
+
+/* Extended features manipulation */
+#define VHOST_GET_FEATURES_ARRAY _IOR(VHOST_VIRTIO, 0x83, \
+				       struct vhost_features_array)
+#define VHOST_SET_FEATURES_ARRAY _IOW(VHOST_VIRTIO, 0x83, \
+				       struct vhost_features_array)
+
 #endif
-- 
2.50.0


  parent reply	other threads:[~2025-07-11 13:03 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-11 13:02 [PATCH RFC v2 00/13] virtio: introduce support for GSO over UDP tunnel Paolo Abeni
2025-07-11 13:02 ` [PATCH RFC v2 01/13] net: bundle all offloads in a single struct Paolo Abeni
2025-07-15  6:36   ` Akihiko Odaki
2025-07-15 14:52     ` Paolo Abeni
2025-07-16 11:32       ` Akihiko Odaki
2025-07-11 13:02 ` Paolo Abeni [this message]
2025-07-11 13:02 ` [PATCH RFC v2 03/13] virtio: introduce extended features type Paolo Abeni
2025-07-15  6:57   ` Akihiko Odaki
2025-07-11 13:02 ` [PATCH RFC v2 04/13] virtio: serialize extended features state Paolo Abeni
2025-07-15  7:24   ` Akihiko Odaki
2025-07-15 15:40     ` Paolo Abeni
2025-07-16 11:52       ` Akihiko Odaki
2025-07-11 13:02 ` [PATCH RFC v2 05/13] virtio: add support for negotiating extended features Paolo Abeni
2025-07-11 13:02 ` [PATCH RFC v2 06/13] virtio-pci: implement support for " Paolo Abeni
2025-07-15  7:42   ` Akihiko Odaki
2025-07-15 16:21     ` Paolo Abeni
2025-07-16  9:14       ` Paolo Abeni
2025-07-16 11:55         ` Akihiko Odaki
2025-07-11 13:02 ` [PATCH RFC v2 07/13] vhost: add support for negotiating " Paolo Abeni
2025-07-11 13:02 ` [PATCH RFC v2 08/13] qmp: update virtio features map to support " Paolo Abeni
2025-07-15  7:59   ` Akihiko Odaki
2025-07-15 15:43     ` Paolo Abeni
2025-07-16 12:00       ` Akihiko Odaki
2025-07-11 13:02 ` [PATCH RFC v2 09/13] vhost-backend: implement extended features support Paolo Abeni
2025-07-11 13:02 ` [PATCH RFC v2 10/13] vhost-net: " Paolo Abeni
2025-07-11 13:02 ` [PATCH RFC v2 11/13] virtio-net: " Paolo Abeni
2025-07-11 13:02 ` [PATCH RFC v2 12/13] net: implement tunnel probing Paolo Abeni
2025-07-15  8:05   ` Akihiko Odaki
2025-07-15 15:49     ` Paolo Abeni
2025-07-18  4:38       ` Akihiko Odaki
2025-07-11 13:02 ` [PATCH RFC v2 13/13] net: implement UDP tunnel features offloading Paolo Abeni
2025-07-15  8:07   ` Akihiko Odaki
2025-07-16 10:13     ` Paolo Abeni
2025-07-16 12:04       ` Akihiko Odaki
2025-07-14  8:43 ` [PATCH RFC v2 00/13] virtio: introduce support for GSO over UDP tunnel Lei Yang
2025-07-14  9:05   ` Paolo Abeni
2025-07-14  9:09     ` Lei Yang

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