X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fip%2Fip.api;h=2dae43856026208779a960c899820e08f36f61dd;hb=097fa66b9;hp=cf25291b9bf852557d84a491f1f20ef488120481;hpb=5bb1ecae8786fdf0fffde9e956a5cee477b5df20;p=vpp.git diff --git a/src/vnet/ip/ip.api b/src/vnet/ip/ip.api index cf25291b9bf..2dae4385602 100644 --- a/src/vnet/ip/ip.api +++ b/src/vnet/ip/ip.api @@ -20,15 +20,13 @@ called through a shared memory interface. */ -option version = "1.3.0"; -import "vnet/ip/ip_types.api"; +option version = "3.0.0"; + import "vnet/fib/fib_types.api"; import "vnet/ethernet/ethernet_types.api"; +import "vnet/mfib/mfib_types.api"; -/** \brief Add / del table request - A table can be added multiple times, but need be deleted only once. - @param client_index - opaque cookie to identify the sender - @param context - sender context, to match reply w/ request +/** \brief An IP table @param is_ipv6 - V4 or V6 table @param table_id - table ID associated with the route This table ID will apply to both the unicats @@ -37,132 +35,146 @@ import "vnet/ethernet/ethernet_types.api"; not set by the client, then VPP will generate something meaningfull. */ +typeonly define ip_table +{ + u32 table_id; + u8 is_ip6; + u8 name[64]; +}; + +/** \brief Add / del table request + A table can be added multiple times, but need be deleted only once. + @param client_index - opaque cookie to identify the sender + @param context - sender context, to match reply w/ request +*/ autoreply define ip_table_add_del { u32 client_index; u32 context; - u32 table_id; - u8 is_ipv6; u8 is_add; - u8 name[64]; + vl_api_ip_table_t table; }; -/** \brief Dump IP fib table +/** \brief Dump IP all fib tables @param client_index - opaque cookie to identify the sender + @param context - sender context, to match reply w/ request */ -define ip_fib_dump +define ip_table_dump { u32 client_index; u32 context; }; /** \brief IP FIB table response - @param table_id - IP fib table id - @address_length - mask length - @address - ip4 prefix - @param count - the number of fib_path in path - @param path - array of of fib_path structures + @param context - sender context + @param table - description of the table */ -manual_endian manual_print define ip_fib_details +manual_endian manual_print define ip_table_details { u32 context; + vl_api_ip_table_t table; +}; + +/** \brief An IP route + @param table_id The IP table the route is in + @param stats_index The index of the route in the stats segment + @param prefix the prefix for the route + @param n_paths The number of paths the route has + @param paths The paths of the route +*/ +typeonly define ip_route +{ u32 table_id; - u8 table_name[64]; - u8 address_length; - u8 address[4]; - u32 count; u32 stats_index; - vl_api_fib_path_t path[count]; + vl_api_prefix_t prefix; + u8 n_paths; + vl_api_fib_path_t paths[n_paths]; }; -/** \brief Dump IP6 fib table +/** \brief Add / del route request @param client_index - opaque cookie to identify the sender + @param context - sender context, to match reply w/ request + @param is_multipath - Set to 1 if these paths will be added/removed + to/from the existing set, or 0 to replace + the existing set. + is_add=0 & is_multipath=0 implies delete all paths + @param is_add - Are the paths being added or removed */ -define ip6_fib_dump +define ip_route_add_del { u32 client_index; u32 context; + u8 is_add; + u8 is_multipath; + vl_api_ip_route_t route; }; - -/** \brief IP6 FIB table entry response - @param table_id - IP6 fib table id - @param address_length - mask length - @param address - ip6 prefix - @param count - the number of fib_path in path - @param path - array of of fib_path structures -*/ -manual_endian manual_print define ip6_fib_details +define ip_route_add_del_reply { u32 context; - u32 table_id; - u8 table_name[64]; - u8 address_length; - u8 address[16]; - u32 count; + i32 retval; u32 stats_index; - vl_api_fib_path_t path[count]; }; -/** \brief Dump IP neighboors +/** \brief Dump IP routes from a table @param client_index - opaque cookie to identify the sender - @param context - sender context, to match reply w/ request - @param sw_if_index - the interface to dump neighboors, ~0 == all - @param is_ipv6 - [1|0] to indicate if address family is ipv[6|4] + @param table - The table from which to dump routes (ony ID an AF are needed) */ -define ip_neighbor_dump +define ip_route_dump { - u32 client_index; - u32 context; - u32 sw_if_index; - u8 is_ipv6; + u32 client_index; + u32 context; + vl_api_ip_table_t table; }; -/** \brief IP neighboors dump response - @param context - sender context which was passed in the request - @param sw_if_index - The interface used to reach the neighbor - @param stats_index - An index in the stats segment that can be used to read - the counters for this neighbour. - @param is_static - [1|0] to indicate if neighbor is statically configured - @param is_ipv6 - [1|0] to indicate if address family is ipv[6|4] +/** \brief IP FIB table entry response + @param route The route entry in the table */ -define ip_neighbor_details { - u32 context; - u32 sw_if_index; - u32 stats_index; - u8 is_static; - u8 is_ipv6; - u8 mac_address[6]; - u8 ip_address[16]; +manual_endian manual_print define ip_route_details +{ + u32 context; + vl_api_ip_route_t route; }; -/** \brief IP neighbor add / del request - @param client_index - opaque cookie to identify the sender - @param context - sender context, to match reply w/ request - @param sw_if_index - interface used to reach neighbor - @param is_add - 1 to add neighbor, 0 to delete - @param is_ipv6 - 1 for IPv6 neighbor, 0 for IPv4 - @param is_ipv6 - 1 for IPv6 neighbor, 0 for IPv4 +/** \brief IP neighbor flags @param is_static - A static neighbor Entry - there are not flushed If the interface goes down. - @param is_no_adj_fib - Do not create a corresponding entry in the FIB + @param is_no_fib_entry - Do not create a corresponding entry in the FIB table for the neighbor. +*/ +enum ip_neighbor_flags +{ + IP_API_NEIGHBOR_FLAG_NONE = 0, + IP_API_NEIGHBOR_FLAG_STATIC = 0x1, + IP_API_NEIGHBOR_FLAG_NO_FIB_ENTRY = 0x2, +}; + +/** \brief IP neighbor + @param sw_if_index - interface used to reach neighbor @param mac_address - l2 address of the neighbor - @param dst_address - ip4 or ip6 address of the neighbor + @param ip_address - ip4 or ip6 address of the neighbor + @param flags - flags for the nieghbor +*/ +typedef ip_neighbor { + u32 sw_if_index; + vl_api_ip_neighbor_flags_t flags; + vl_api_mac_address_t mac_address; + vl_api_address_t ip_address; +}; + +/** \brief IP neighbor add / del request + @param client_index - opaque cookie to identify the sender + @param context - sender context, to match reply w/ request + @param is_add - 1 to add neighbor, 0 to delete + @param neighbor - the neighor to add/remove */ define ip_neighbor_add_del { u32 client_index; u32 context; - u32 sw_if_index; /* 1 = add, 0 = delete */ u8 is_add; - u8 is_ipv6; - u8 is_static; - u8 is_no_adj_fib; - u8 mac_address[6]; - u8 dst_address[16]; + vl_api_ip_neighbor_t neighbor; }; - define ip_neighbor_add_del_reply { u32 context; @@ -170,6 +182,29 @@ define ip_neighbor_add_del_reply u32 stats_index; }; +/** \brief Dump IP neighboors + @param client_index - opaque cookie to identify the sender + @param context - sender context, to match reply w/ request + @param sw_if_index - the interface to dump neighboors, ~0 == all + @param is_ipv6 - [1|0] to indicate if address family is ipv[6|4] +*/ +define ip_neighbor_dump +{ + u32 client_index; + u32 context; + u32 sw_if_index; + u8 is_ipv6; +}; + +/** \brief IP neighboors dump response + @param context - sender context which was passed in the request + @param neighbour - the neighbor +*/ +define ip_neighbor_details { + u32 context; + vl_api_ip_neighbor_t neighbor; +}; + /** \brief Set the ip flow hash config for a fib request @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request @@ -181,6 +216,7 @@ define ip_neighbor_add_del_reply @param dport - if non-zero include dport in flow hash @param proto -if non-zero include proto in flow hash @param reverse - if non-zero include reverse in flow hash + @param symmetric - if non-zero include symmetry in flow hash */ autoreply define set_ip_flow_hash { @@ -194,6 +230,7 @@ autoreply define set_ip_flow_hash u8 dport; u8 proto; u8 reverse; + u8 symmetric; }; /** \brief IPv6 router advertisement config request @@ -237,8 +274,7 @@ autoreply define sw_interface_ip6nd_ra_config @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request @param sw_if_index - The interface the RA prefix information is for - @param address[] - The prefix to advertise - @param address_length - the prefix length + @param prefix - The prefix to advertise @param use_default - Revert to default settings @param no_advertise - Do not advertise this prefix @param off_link - The prefix is off link (it is not configured on the interface) @@ -267,8 +303,7 @@ autoreply define sw_interface_ip6nd_ra_prefix u32 client_index; u32 context; u32 sw_if_index; - u8 address[16]; - u8 address_length; + vl_api_prefix_t prefix; u8 use_default; u8 no_advertise; u8 off_link; @@ -292,7 +327,7 @@ autoreply define ip6nd_proxy_add_del u32 context; u32 sw_if_index; u8 is_del; - u8 address[16]; + vl_api_ip6_address_t ip; }; /** \brief IPv6 ND proxy details returned after request @@ -303,7 +338,7 @@ define ip6nd_proxy_details { u32 context; u32 sw_if_index; - u8 address[16]; + vl_api_ip6_address_t ip; }; /** \brief IPv6 ND proxy dump request @@ -356,76 +391,33 @@ autoreply define sw_interface_ip6_enable_disable u8 enable; /* set to true if enable */ }; -/** \brief Add / del route request +/** \brief IPv6 set link local address on interface request @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request - @param sw_if_index - software index of the new vlan's parent interface - @param vrf_id - fib table /vrf associated with the route - @param lookup_in_vrf - - @param classify_table_index - - @param is_add - 1 if adding the route, 0 if deleting - @param is_drop - Drop the packet - @param is_unreach - Drop the packet and rate limit send ICMP unreachable - @param is_prohibit - Drop the packet and rate limit send ICMP prohibited - @param is_ipv6 - 0 if an ip4 route, else ip6 - @param is_local - The route will result in packets sent to VPP IP stack - @param is_udp_encap - The path describes a UDP-o-IP encapsulation. - @param is_classify - - @param is_multipath - Set to 1 if this is a multipath route, else 0 - @param is_dvr - Does the route resolve via a DVR interface. - @param is_source_lookup - The the path is a deaggregate path (i.e. a lookup - in another table) is the lookup on the packet's - source address or destination. - @param next_hop_weight - Weight for Unequal cost multi-path - @param next_hop_preference - Path that are up that have the best preference are - are used for forwarding. lower value is better. - @param next_hop_id - Used when the path resolves via an object that has a unique - identifier. - @param dst_address_length - - @param dst_address[16] - - @param next_hop_address[16] - - @param next_hop_n_out_labels - the number of labels in the label stack - @param next_hop_out_label_stack - the next-hop output label stack, outer most first - @param next_hop_via_label - The next-hop is a resolved via a local label + @param sw_if_index - interface to set link local on + @param address[] - the new link local address */ -define ip_add_del_route +autoreply define sw_interface_ip6_set_link_local_address { u32 client_index; u32 context; - u32 next_hop_sw_if_index; - u32 table_id; - u32 classify_table_index; - u32 next_hop_table_id; - u32 next_hop_id; - u8 is_add; - u8 is_drop; - u8 is_unreach; - u8 is_prohibit; - u8 is_ipv6; - u8 is_local; - u8 is_classify; - u8 is_multipath; - u8 is_resolve_host; - u8 is_resolve_attached; - u8 is_dvr; - u8 is_source_lookup; - u8 is_udp_encap; - u8 next_hop_weight; - u8 next_hop_preference; - u8 next_hop_proto; - u8 dst_address_length; - u8 dst_address[16]; - u8 next_hop_address[16]; - u8 next_hop_n_out_labels; - u32 next_hop_via_label; - vl_api_fib_mpls_label_t next_hop_out_label_stack[next_hop_n_out_labels]; -}; - -define ip_add_del_route_reply + u32 sw_if_index; + u8 address[16]; +}; + +/** \brief Dump IP multicast fib table + @param client_index - opaque cookie to identify the sender +*/ +define ip_mtable_dump { + u32 client_index; u32 context; - i32 retval; - u32 stats_index; +}; +define ip_mtable_details +{ + u32 client_index; + u32 context; + vl_api_ip_table_t table; }; /** \brief Add / del route request @@ -456,99 +448,55 @@ define ip_add_del_route_reply FIXME not complete yet */ -define ip_mroute_add_del +typedef ip_mroute { - u32 client_index; - u32 context; - u32 next_hop_sw_if_index; u32 table_id; u32 entry_flags; - u32 itf_flags; u32 rpf_id; - u32 bier_imp; - u16 grp_address_length; - u8 next_hop_afi; - u8 is_add; - u8 is_ipv6; - u8 is_local; - u8 grp_address[16]; - u8 src_address[16]; - u8 nh_address[16]; -}; - -define ip_mroute_add_del_reply -{ - u32 context; - i32 retval; - u32 stats_index; + vl_api_mprefix_t prefix; + u8 n_paths; + vl_api_mfib_path_t paths[n_paths]; }; -/** \brief Dump IP multicast fib table - @param client_index - opaque cookie to identify the sender -*/ -define ip_mfib_dump +define ip_mroute_add_del { u32 client_index; u32 context; + u8 is_add; + u8 is_multipath; + vl_api_ip_mroute_t route; }; - -/** \brief IP Multicast FIB table response - @param table_id - IP fib table id - @address_length - mask length - @grp_address - Group address/prefix - @src_address - Source address - @param count - the number of fib_path in path - @param path - array of of fib_path structures -*/ -manual_endian manual_print define ip_mfib_details +define ip_mroute_add_del_reply { u32 context; - u32 table_id; - u32 entry_flags; - u32 rpf_id; - u8 address_length; - u8 grp_address[4]; - u8 src_address[4]; - u32 count; + i32 retval; u32 stats_index; - vl_api_fib_path_t path[count]; }; -/** \brief Dump IP6 multicast fib table - @param client_index - opaque cookie to identify the sender +/** \brief Dump IP multicast fib table + @param table - The table from which to dump routes (ony ID an AF are needed) */ -define ip6_mfib_dump +define ip_mroute_dump { u32 client_index; u32 context; + vl_api_ip_table_t table; }; -/** \brief IP6 Multicast FIB table response - @param table_id - IP fib table id - @address_length - mask length - @grp_address - Group address/prefix - @src_address - Source address - @param count - the number of fib_path in path - @param path - array of of fib_path structures +/** \brief IP Multicast Route Details + @param route - Details of the route */ -manual_endian manual_print define ip6_mfib_details +manual_endian manual_print define ip_mroute_details { u32 context; - u32 table_id; - u8 address_length; - u8 grp_address[16]; - u8 src_address[16]; - u32 count; - vl_api_fib_path_t path[count]; + vl_api_ip_mroute_t route; }; define ip_address_details { u32 context; - u8 ip[16]; - u8 prefix_length; u32 sw_if_index; - u8 is_ipv6; + vl_api_prefix_t prefix; }; define ip_address_dump @@ -605,9 +553,7 @@ define mfib_signal_details u32 context; u32 sw_if_index; u32 table_id; - u16 grp_address_len; - u8 grp_address[16]; - u8 src_address[16]; + vl_api_mprefix_t prefix; u16 ip_packet_len; u8 ip_packet_data[256]; }; @@ -628,33 +574,54 @@ autoreply define ip_punt_police u8 is_ip6; }; +/** \brief Punt redirect type + @param rx_sw_if_index - specify the original RX interface of traffic + that should be redirected. ~0 means any interface. + @param tx_sw_if_index - the TX interface to which traffic shoulde be + redirected. + @param nh - the next-hop to redirect the traffic to. + @param is_ipv6 - 1 for IPv6 neighbor, 0 for IPv4 +*/ +typeonly define punt_redirect +{ + u32 rx_sw_if_index; + u32 tx_sw_if_index; + vl_api_address_t nh; +}; + /** \brief IP punt redirect @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request + @param punt - punt definition @param is_add - 1 to add neighbor, 0 to delete - @param is_ipv6 - 1 for IPv6 neighbor, 0 for IPv4 - @param tx_sw_if_index - the TX interface to which traffic shoulde be - redirected. - @param nh - The next-hop to redirect the traffic to. */ autoreply define ip_punt_redirect { u32 client_index; u32 context; - u32 rx_sw_if_index; - u32 tx_sw_if_index; + vl_api_punt_redirect_t punt; u8 is_add; - u8 is_ip6; - u8 nh[16]; +}; + +define ip_punt_redirect_dump +{ + u32 client_index; + u32 context; + u32 sw_if_index; + u8 is_ipv6; +}; + +define ip_punt_redirect_details +{ + u32 context; + vl_api_punt_redirect_t punt; }; autoreply define ip_container_proxy_add_del { u32 client_index; u32 context; - u8 ip[16]; - u8 is_ip4; - u8 plen; + vl_api_prefix_t pfx; u32 sw_if_index; u8 is_add; }; @@ -677,8 +644,7 @@ define ip_container_proxy_details @param context - sender context, to match reply w/ request @param is_ip6 - 1 if source address type is IPv6 @param is_add - 1 if add, 0 if delete - @param mask_length - mask length for address entry - @param address - array of address bytes + @param ip - prefix to match @param number_of_ranges - length of low_port and high_port arrays (must match) @param low_ports[32] - up to 32 low end of port range entries (must have corresponding high_ports entry) @param high_ports[32] - up to 32 high end of port range entries (must have corresponding low_ports entry) @@ -689,10 +655,8 @@ autoreply define ip_source_and_port_range_check_add_del { u32 client_index; u32 context; - u8 is_ipv6; u8 is_add; - u8 mask_length; - u8 address[16]; + vl_api_prefix_t prefix; u8 number_of_ranges; u16 low_ports[32]; u16 high_ports[32]; @@ -718,6 +682,22 @@ autoreply define ip_source_and_port_range_check_interface_add_del u32 udp_out_vrf_id; }; +/** \brief Set interface source check request + @param client_index - opaque cookie to identify the sender + @param context - sender context, to match reply w/ request + @param is_add - add or del + @param loose - strict or loose + @param sw_if_index - interface index +*/ +autoreply define ip_source_check_interface_add_del +{ + u32 client_index; + u32 context; + u8 is_add; + u8 loose; + u32 sw_if_index; +}; + /** \brief Enable/disable periodic IP neighbor scan @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request @@ -747,16 +727,14 @@ autoreply define ip_scan_neighbor_enable_disable @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request @param sw_if_index - interface index - @param dst_address - target IP address to send IP addr resolution request - @param is_ipv6 - [1|0] to indicate if address family is IPv[6|4] + @param dst - target IP address to send IP addr resolution request */ autoreply define ip_probe_neighbor { u32 client_index; u32 context; u32 sw_if_index; - u8 dst_address[16]; - u8 is_ipv6; + vl_api_address_t dst; }; /** \brief Register for IP4 ARP resolution event on receing ARP reply or @@ -765,8 +743,8 @@ autoreply define ip_probe_neighbor @param context - sender context, to match reply w/ request @param enable_disable - 1 => register for events, 0 => cancel registration @param pid - sender's pid - @param address - exact IP4 address of interested arp resolution event, or - 0 to get MAC/IP info from ARP requests in BDs + @param ip - exact IP4 address of interested arp resolution event, or + 0 to get MAC/IP info from ARP requests in BDs */ autoreply define want_ip4_arp_events { @@ -774,25 +752,25 @@ autoreply define want_ip4_arp_events u32 context; u8 enable_disable; u32 pid; - u32 address; + vl_api_ip4_address_t ip; }; /** \brief Tell client about an IP4 ARP resolution event or MAC/IP info from ARP requests in L2 BDs @param client_index - opaque cookie to identify the sender - @param address - the exact ip4 address of interest + @param ip - the exact ip4 address of interest @param pid - client pid registered to receive notification @param sw_if_index - interface which received ARP packet - @param new_mac - the new mac address + @param mac - the new mac address @param mac_ip - 0: ARP resolution event, 1: MAC/IP info from L2 BDs */ define ip4_arp_event { u32 client_index; - u32 address; + vl_api_ip4_address_t ip; u32 pid; u32 sw_if_index; - u8 new_mac[6]; + vl_api_mac_address_t mac; u8 mac_ip; }; @@ -807,8 +785,8 @@ service { @param context - sender context, to match reply w/ request @param enable_disable - 1 => register for events, 0 => cancel registration @param pid - sender's pid - @param address - the exact IP6 address of interested ND resolution event, or - 0 to get MAC/IP info from ICMP6 NS in L2 BDs. + @param ip - the exact IP6 address of interested ND resolution event, or + 0 to get MAC/IP info from ICMP6 NS in L2 BDs. */ autoreply define want_ip6_nd_events { @@ -816,7 +794,7 @@ autoreply define want_ip6_nd_events u32 context; u8 enable_disable; u32 pid; - u8 address[16]; + vl_api_ip6_address_t ip; }; /** \brief Tell client about an IP6 ND resolution or @@ -824,7 +802,7 @@ autoreply define want_ip6_nd_events @param client_index - opaque cookie to identify the sender @param pid - client pid registered to receive notification @param sw_if_index - interface which received ARP packet - @param address - the exact ip6 address of interest + @param ip - the exact ip6 address of interest @param new_mac - the new mac address @param mac_ip - 0: ND resolution event, 1: MAC/IP info from L2 BDs */ @@ -833,8 +811,8 @@ define ip6_nd_event u32 client_index; u32 pid; u32 sw_if_index; - u8 address[16]; - u8 new_mac[6]; + vl_api_ip6_address_t ip; + vl_api_mac_address_t mac; u8 mac_ip; }; @@ -858,16 +836,14 @@ autoreply define want_ip6_ra_events }; /** \brief Struct representing RA prefix info - @param dst_address - RA prefix info destination address - @param dst_address_length - RA prefix info destination address length + @param prefix - RA prefix info destination address @param flags - RA prefix info flags @param valid_time - RA prefix info valid time @param preferred_time - RA prefix info preferred time */ typeonly define ip6_ra_prefix_info { - u8 dst_address[16]; - u8 dst_address_length; + vl_api_prefix_t prefix; u8 flags; u32 valid_time; u32 preferred_time; @@ -879,6 +855,7 @@ typeonly define ip6_ra_prefix_info @param current_hop_limit - RA current hop limit @param flags - RA flags @param router_lifetime_in_sec - RA lifetime in seconds + @param router_addr - The router's address @param neighbor_reachable_time_in_msec - RA neighbor reachable time in msec @param time_in_msec_between_retransmitted_neighbor_solicitations - time in msec between retransmitted neighbor solicitations @@ -890,7 +867,7 @@ define ip6_ra_event u32 client_index; u32 pid; u32 sw_if_index; - u8 router_address[16]; + vl_api_ip6_address_t router_addr; u8 current_hop_limit; u8 flags; u16 router_lifetime_in_sec; @@ -906,15 +883,15 @@ service { }; /** \brief Proxy ARP configuration type - @param vrf_id - VRF / Fib table ID - @param low_address[4] - Low address of the Proxy ARP range - @param hi_address[4] - High address of the Proxy ARP range + @param table_id - VRF / Fib table ID + @param low - Low address of the Proxy ARP range + @param hi - High address of the Proxy ARP range */ typeonly define proxy_arp { - u32 vrf_id; - u8 low_address[4]; - u8 hi_address[4]; + u32 table_id; + vl_api_ip4_address_t low; + vl_api_ip4_address_t hi; }; /** \brief Proxy ARP add / del request @@ -1045,6 +1022,7 @@ autoreply define ip_reassembly_set u32 context; u32 timeout_ms; u32 max_reassemblies; + u32 max_reassembly_length; u32 expire_walk_interval_ms; u8 is_ip6; }; @@ -1062,6 +1040,7 @@ define ip_reassembly_get_reply i32 retval; u32 timeout_ms; u32 max_reassemblies; + u32 max_reassembly_length; u32 expire_walk_interval_ms; u8 is_ip6; };