diff options
Diffstat (limited to 'include/uapi/linux/openvswitch.h')
| -rw-r--r-- | include/uapi/linux/openvswitch.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/include/uapi/linux/openvswitch.h b/include/uapi/linux/openvswitch.h index a27222d5b413..616d04761730 100644 --- a/include/uapi/linux/openvswitch.h +++ b/include/uapi/linux/openvswitch.h @@ -454,6 +454,14 @@ struct ovs_key_ct_labels { #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. */ +#define OVS_CS_F_SRC_NAT 0x40 /* Packet's source address/port was + * mangled by NAT. + */ +#define OVS_CS_F_DST_NAT 0x80 /* Packet's destination address/port + * was mangled by NAT. + */ + +#define OVS_CS_F_NAT_MASK (OVS_CS_F_SRC_NAT | OVS_CS_F_DST_NAT) /** * enum ovs_flow_attr - attributes for %OVS_FLOW_* commands. @@ -632,6 +640,8 @@ struct ovs_action_hash { * 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. + * @OVS_CT_ATTR_NAT: Nested OVS_NAT_ATTR_* for performing L3 network address + * translation (NAT) on the packet. */ enum ovs_ct_attr { OVS_CT_ATTR_UNSPEC, @@ -641,12 +651,51 @@ enum ovs_ct_attr { 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_NAT, /* Nested OVS_NAT_ATTR_* */ __OVS_CT_ATTR_MAX }; #define OVS_CT_ATTR_MAX (__OVS_CT_ATTR_MAX - 1) /** + * enum ovs_nat_attr - Attributes for %OVS_CT_ATTR_NAT. + * + * @OVS_NAT_ATTR_SRC: Flag for Source NAT (mangle source address/port). + * @OVS_NAT_ATTR_DST: Flag for Destination NAT (mangle destination + * address/port). Only one of (@OVS_NAT_ATTR_SRC, @OVS_NAT_ATTR_DST) may be + * specified. Effective only for packets for ct_state NEW connections. + * Packets of committed connections are mangled by the NAT action according to + * the committed NAT type regardless of the flags specified. As a corollary, a + * NAT action without a NAT type flag will only mangle packets of committed + * connections. The following NAT attributes only apply for NEW + * (non-committed) connections, and they may be included only when the CT + * action has the @OVS_CT_ATTR_COMMIT flag and either @OVS_NAT_ATTR_SRC or + * @OVS_NAT_ATTR_DST is also included. + * @OVS_NAT_ATTR_IP_MIN: struct in_addr or struct in6_addr + * @OVS_NAT_ATTR_IP_MAX: struct in_addr or struct in6_addr + * @OVS_NAT_ATTR_PROTO_MIN: u16 L4 protocol specific lower boundary (port) + * @OVS_NAT_ATTR_PROTO_MAX: u16 L4 protocol specific upper boundary (port) + * @OVS_NAT_ATTR_PERSISTENT: Flag for persistent IP mapping across reboots + * @OVS_NAT_ATTR_PROTO_HASH: Flag for pseudo random L4 port mapping (MD5) + * @OVS_NAT_ATTR_PROTO_RANDOM: Flag for fully randomized L4 port mapping + */ +enum ovs_nat_attr { + OVS_NAT_ATTR_UNSPEC, + OVS_NAT_ATTR_SRC, + OVS_NAT_ATTR_DST, + OVS_NAT_ATTR_IP_MIN, + OVS_NAT_ATTR_IP_MAX, + OVS_NAT_ATTR_PROTO_MIN, + OVS_NAT_ATTR_PROTO_MAX, + OVS_NAT_ATTR_PERSISTENT, + OVS_NAT_ATTR_PROTO_HASH, + OVS_NAT_ATTR_PROTO_RANDOM, + __OVS_NAT_ATTR_MAX, +}; + +#define OVS_NAT_ATTR_MAX (__OVS_NAT_ATTR_MAX - 1) + +/** * enum ovs_action_attr - Action types. * * @OVS_ACTION_ATTR_OUTPUT: Output packet to port. |