Update headers to include the virtio GSO over UDP tunnel features
Signed-off-by: Paolo Abeni <pab...@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/linux/vhost.h | 7 +++++
4 files changed, 47 insertions(+), 2 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/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
