* flow key against the kernel's.
* @OVS_PACKET_ATTR_ACTIONS: Contains actions for the packet. Used
* for %OVS_PACKET_CMD_EXECUTE. It has nested %OVS_ACTION_ATTR_* attributes.
+ * Also used in upcall when %OVS_ACTION_ATTR_USERSPACE has optional
+ * %OVS_USERSPACE_ATTR_ACTIONS attribute.
* @OVS_PACKET_ATTR_USERDATA: Present for an %OVS_PACKET_CMD_ACTION
* notification if the %OVS_ACTION_ATTR_USERSPACE action specified an
* %OVS_USERSPACE_ATTR_USERDATA attribute, with the same length and content
* %OVS_USERSPACE_ATTR_EGRESS_TUN_PORT attribute, which is sent only if the
* output port is actually a tunnel port. Contains the output tunnel key
* extracted from the packet as nested %OVS_TUNNEL_KEY_ATTR_* attributes.
+ * @OVS_PACKET_ATTR_MRU: Present for an %OVS_PACKET_CMD_ACTION and
+ * %OVS_PACKET_ATTR_USERSPACE action specify the Maximum received fragment
+ * size.
*
* These attributes follow the &struct ovs_header within the Generic Netlink
* payload for %OVS_PACKET_* commands.
OVS_PACKET_ATTR_UNUSED2,
OVS_PACKET_ATTR_PROBE, /* Packet operation is a feature probe,
error logging should be suppressed. */
+ OVS_PACKET_ATTR_MRU, /* Maximum received IP fragment size. */
__OVS_PACKET_ATTR_MAX
};
OVS_KEY_ATTR_MPLS, /* array of struct ovs_key_mpls.
* The implementation may restrict
* the accepted length of the array. */
+ OVS_KEY_ATTR_CT_STATE, /* u32 bitmask of OVS_CS_F_* */
+ OVS_KEY_ATTR_CT_ZONE, /* u16 connection tracking zone. */
+ OVS_KEY_ATTR_CT_MARK, /* u32 connection tracking mark */
+ OVS_KEY_ATTR_CT_LABELS, /* 16-octet connection tracking label */
#ifdef __KERNEL__
- OVS_KEY_ATTR_TUNNEL_INFO, /* struct ovs_tunnel_info */
+ OVS_KEY_ATTR_TUNNEL_INFO, /* struct ip_tunnel_info */
#endif
__OVS_KEY_ATTR_MAX
};
OVS_TUNNEL_KEY_ATTR_TP_SRC, /* be16 src Transport Port. */
OVS_TUNNEL_KEY_ATTR_TP_DST, /* be16 dst Transport Port. */
OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS, /* Nested OVS_VXLAN_EXT_* */
+ OVS_TUNNEL_KEY_ATTR_IPV6_SRC, /* struct in6_addr src IPv6 address. */
+ OVS_TUNNEL_KEY_ATTR_IPV6_DST, /* struct in6_addr dst IPv6 address. */
__OVS_TUNNEL_KEY_ATTR_MAX
};
__u8 nd_tll[ETH_ALEN];
};
+#define OVS_CT_LABELS_LEN 16
+struct ovs_key_ct_labels {
+ __u8 ct_labels[OVS_CT_LABELS_LEN];
+};
+
+/* OVS_KEY_ATTR_CT_STATE flags */
+#define OVS_CS_F_NEW 0x01 /* Beginning of a new connection. */
+#define OVS_CS_F_ESTABLISHED 0x02 /* Part of an existing connection. */
+#define OVS_CS_F_RELATED 0x04 /* Related to an established
+ * connection. */
+#define OVS_CS_F_REPLY_DIR 0x08 /* Flow is in the reply direction. */
+#define OVS_CS_F_INVALID 0x10 /* Could not track connection. */
+#define OVS_CS_F_TRACKED 0x20 /* Conntrack has occurred. */
+
/**
* enum ovs_flow_attr - attributes for %OVS_FLOW_* commands.
* @OVS_FLOW_ATTR_KEY: Nested %OVS_KEY_ATTR_* attributes specifying the flow
* copied to the %OVS_PACKET_CMD_ACTION message as %OVS_PACKET_ATTR_USERDATA.
* @OVS_USERSPACE_ATTR_EGRESS_TUN_PORT: If present, u32 output port to get
* tunnel info.
+ * @OVS_USERSPACE_ATTR_ACTIONS: If present, send actions with upcall.
*/
enum ovs_userspace_attr {
OVS_USERSPACE_ATTR_UNSPEC,
OVS_USERSPACE_ATTR_USERDATA, /* Optional user-specified cookie. */
OVS_USERSPACE_ATTR_EGRESS_TUN_PORT, /* Optional, u32 output port
* to get tunnel info. */
+ OVS_USERSPACE_ATTR_ACTIONS, /* Optional flag to get actions. */
__OVS_USERSPACE_ATTR_MAX
};
uint32_t hash_basis;
};
+/**
+ * enum ovs_ct_attr - Attributes for %OVS_ACTION_ATTR_CT action.
+ * @OVS_CT_ATTR_COMMIT: If present, commits the connection to the conntrack
+ * table. This allows future packets for the same connection to be identified
+ * as 'established' or 'related'. The flow key for the current packet will
+ * retain the pre-commit connection state.
+ * @OVS_CT_ATTR_ZONE: u16 connection tracking zone.
+ * @OVS_CT_ATTR_MARK: u32 value followed by u32 mask. For each bit set in the
+ * mask, the corresponding bit in the value is copied to the connection
+ * tracking mark field in the connection.
+ * @OVS_CT_ATTR_LABELS: %OVS_CT_LABELS_LEN value followed by %OVS_CT_LABELS_LEN
+ * mask. For each bit set in the mask, the corresponding bit in the value is
+ * copied to the connection tracking label field in the connection.
+ * @OVS_CT_ATTR_HELPER: variable length string defining conntrack ALG.
+ */
+enum ovs_ct_attr {
+ OVS_CT_ATTR_UNSPEC,
+ OVS_CT_ATTR_COMMIT, /* No argument, commits connection. */
+ OVS_CT_ATTR_ZONE, /* u16 zone id. */
+ OVS_CT_ATTR_MARK, /* mark to associate with this connection. */
+ OVS_CT_ATTR_LABELS, /* labels to associate with this connection. */
+ OVS_CT_ATTR_HELPER, /* netlink helper to assist detection of
+ related connections. */
+ __OVS_CT_ATTR_MAX
+};
+
+#define OVS_CT_ATTR_MAX (__OVS_CT_ATTR_MAX - 1)
+
/**
* enum ovs_action_attr - Action types.
*
* indicate the new packet contents. This could potentially still be
* %ETH_P_MPLS if the resulting MPLS label stack is not empty. If there
* is no MPLS label stack, as determined by ethertype, no action is taken.
+ * @OVS_ACTION_ATTR_CT: Track the connection. Populate the conntrack-related
+ * entries in the flow key.
*
* Only a single header can be set with a single %OVS_ACTION_ATTR_SET. Not all
* fields within a header are modifiable, e.g. the IPv4 protocol and fragment
* data immediately followed by a mask.
* The data must be zero for the unmasked
* bits. */
+ OVS_ACTION_ATTR_CT, /* Nested OVS_CT_ATTR_* . */
__OVS_ACTION_ATTR_MAX, /* Nothing past this will be accepted
* from userspace. */
Code Review / kvmfornfv.git / blobdiff