From 33bb46947ad3f2bdc26a2d9ab7a0fe27d650522c Mon Sep 17 00:00:00 2001 From: Dmitry Vyukov Date: Sat, 13 Jan 2018 20:15:33 +0100 Subject: sys/linux: more AF_NETLINK/NETLINK_ROUTE descriptions --- sys/linux/socket_netlink_route.txt | 123 +++++++++++++++++++++++++++++++++++-- 1 file changed, 119 insertions(+), 4 deletions(-) (limited to 'sys/linux/socket_netlink_route.txt') diff --git a/sys/linux/socket_netlink_route.txt b/sys/linux/socket_netlink_route.txt index eae321aac..f20b33ef1 100644 --- a/sys/linux/socket_netlink_route.txt +++ b/sys/linux/socket_netlink_route.txt @@ -7,8 +7,11 @@ include include include include +include include +include include +include resource sock_nl_route[sock_netlink] @@ -17,12 +20,39 @@ socket$nl_route(domain const[AF_NETLINK], type const[SOCK_RAW], proto const[NETL sendmsg$nl_route(fd sock_nl_route, msg ptr[in, msghdr_netlink[netlink_msg_route]], f flags[send_flags]) netlink_msg_route [ - newlink netlink_msg[RTM_NEWLINK, ifinfomsg[AF_UNSPEC], ifla_policy] - getlink netlink_msg[RTM_GETLINK, ifinfomsg[AF_UNSPEC], ifla_policy] - setlink netlink_msg[RTM_SETLINK, ifinfomsg[AF_UNSPEC], ifla_policy] - dellink netlink_msg[RTM_DELLINK, ifinfomsg[AF_UNSPEC], ifla_policy] + newlink netlink_msg[RTM_NEWLINK, ifinfomsg[AF_UNSPEC], ifla_policy] + getlink netlink_msg[RTM_GETLINK, ifinfomsg[AF_UNSPEC], ifla_policy] + setlink netlink_msg[RTM_SETLINK, ifinfomsg[AF_UNSPEC], ifla_policy] + dellink netlink_msg[RTM_DELLINK, ifinfomsg[AF_UNSPEC], ifla_policy] + + ipv4_newaddr netlink_msg[RTM_NEWADDR, ifaddrmsg[AF_INET], ifa_ipv4_policy] + ipv4_deladdr netlink_msg[RTM_DELADDR, ifaddrmsg[AF_INET], ifa_ipv4_policy] + ipv4_getaddr netlink_msg[RTM_GETADDR, ifaddrmsg[AF_INET], ifa_ipv4_policy] + ipv4_getnetconf netlink_msg[RTM_GETNETCONF, netconfmsg[AF_INET], devconf_ip_policy] + ipv4_newroute netlink_msg[RTM_NEWROUTE, rtmsg[AF_INET], rtm_ipv4_policy] + ipv4_delroute netlink_msg[RTM_DELROUTE, rtmsg[AF_INET], rtm_ipv4_policy] + ipv4_getroute netlink_msg[RTM_GETROUTE, rtgenmsg[AF_INET], void] + + ipmr_newroute netlink_msg[RTM_NEWROUTE, rtmsg[RTNL_FAMILY_IPMR], rtm_ipv4_policy] + ipmr_delroute netlink_msg[RTM_DELROUTE, rtmsg[RTNL_FAMILY_IPMR], rtm_ipv4_policy] + ipmr_getroute netlink_msg[RTM_GETROUTE, rtgenmsg[RTNL_FAMILY_IPMR], void] + + ipv6_newaddr netlink_msg[RTM_NEWADDR, ifaddrmsg[AF_INET6], ifa_ipv6_policy] + ipv6_deladdr netlink_msg[RTM_DELADDR, ifaddrmsg[AF_INET6], ifa_ipv6_policy] + ipv6_getaddr netlink_msg[RTM_GETADDR, ifaddrmsg[AF_INET6], ifa_ipv6_policy] + ipv6_getmulticast netlink_msg[RTM_GETMULTICAST, rtgenmsg[AF_INET6], void] + ipv6_getanyicast netlink_msg[RTM_GETANYCAST, rtgenmsg[AF_INET6], void] + ipv6_getnetconf netlink_msg[RTM_GETNETCONF, netconfmsg[AF_INET6], devconf_ip_policy] ] [varlen] +type rtgenmsg[FAMILY] { + rtgen_family const[FAMILY, int8] +} + +type netconfmsg[FAMILY] { + ncm_family const[FAMILY, int8] +} + type ifinfomsg[FAMILY] { ifi_family const[FAMILY, int8] __ifi_pad const[0, int8] @@ -32,6 +62,26 @@ type ifinfomsg[FAMILY] { ifi_change flags[net_device_flags, int32] } +type ifaddrmsg[FAMILY] { + ifa_family const[FAMILY, int8] + ifa_prefixlen flags[ifa_prefixlen, int8] + ifa_flags flags[ifa_flags, int8] + ifa_scope flags[rt_scope_t, int8] + ifa_index ifindex +} + +type rtmsg[FAMILY] { + rtm_family const[FAMILY, int8] + rtm_dst_len flags[rtm_addr_len, int8] + rtmsrcdst_len flags[rtm_addr_len, int8] + rtm_tos int8 + rtm_table int8[0:4] + rtm_protocol flags[rtm_protocol, int8] + rtm_scope flags[rt_scope_t, int8] + rtm_type flags[rtm_type, int8] + rtm_flags flags[rtm_flags, int32] +} + ifla_policy [ IFLA_IFNAME nlattr[IFLA_IFNAME, devname] IFLA_ADDRESS nlattr[IFLA_ADDRESS, mac_addr] @@ -80,6 +130,63 @@ ifla_info_policy [ IFLA_INFO_SLAVE_DATA nlattr[IFLA_INFO_SLAVE_DATA, array[int8]] ] [varlen] +ifa_ipv4_policy [ + IFA_LOCAL nlattr[IFA_LOCAL, ipv4_addr] + IFA_ADDRESS nlattr[IFA_ADDRESS, ipv4_addr] + IFA_BROADCAST nlattr[IFA_BROADCAST, ipv4_addr] + IFA_LABEL nlattr[IFA_LABEL, devname] + IFA_CACHEINFO nlattr[IFA_CACHEINFO, ifa_cacheinfo] + IFA_FLAGS nlattr[IFA_FLAGS, flags[ifa_flags, int32]] +] [varlen] + +ifa_ipv6_policy [ + IFA_ADDRESS nlattr[IFA_ADDRESS, ipv6_addr] + IFA_LOCAL nlattr[IFA_LOCAL, ipv6_addr] + IFA_CACHEINFO nlattr[IFA_CACHEINFO, ifa_cacheinfo] + IFA_FLAGS nlattr[IFA_FLAGS, flags[ifa_flags, int32]] +] [varlen] + +rtm_ipv4_policy [ + RTA_DST nlattr[RTA_DST, ipv4_addr] + RTA_SRC nlattr[RTA_SRC, ipv4_addr] + RTA_IIF nlattr[RTA_DST, ifindex] + RTA_OIF nlattr[RTA_OIF, ifindex] + RTA_GATEWAY nlattr[RTA_GATEWAY, int32] + RTA_PRIORITY nlattr[RTA_PRIORITY, int32] + RTA_PREFSRC nlattr[RTA_PREFSRC, ipv4_addr] +# TODO: what's this? is this interesting? + RTA_METRICS nlattr[RTA_METRICS, array[int8]] + RTA_MULTIPATH nlattr[RTA_MULTIPATH, array[rtnexthop]] + RTA_FLOW nlattr[RTA_FLOW, int32] + RTA_ENCAP_TYPE nlattr[RTA_ENCAP_TYPE, flags[lwtunnel_encap_types, int16]] +# TODO: describe RTA_ENCAP + RTA_ENCAP nlattr[RTA_ENCAP, nl_generic_attr] + RTA_UID nlattr[RTA_UID, uid] + RTA_MARK nlattr[RTA_MARK, int32] +] [varlen] + +rtnexthop { + rtnh_len int16 + rtnh_flags int8 + rtnh_hops int8 + rtnh_ifindex ifindex +} + +ifa_cacheinfo { + ifa_prefered int32 + ifa_valid int32 + cstamp int32 + tstamp int32 +} + +devconf_ip_policy [ + NETCONFA_IFINDEX nlattr[NETCONFA_IFINDEX, ifindex] + NETCONFA_FORWARDING nlattr[NETCONFA_FORWARDING, int32] + NETCONFA_RP_FILTER nlattr[NETCONFA_RP_FILTER, int32] + NETCONFA_PROXY_NEIGH nlattr[NETCONFA_PROXY_NEIGH, int32] + IGNORE_ROUTES_WITH_LINKDOWN nlattr[NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN, int32] +] [varlen] + # TODO: implement these type ifla_vf_policy nl_generic_attr type ifla_port_policy nl_generic_attr @@ -102,3 +209,11 @@ rtnl_link_ifmap { rtnl_af = AF_INET, AF_INET6, AF_BRIDGE, AF_MPLS net_device_flags = IFF_UP, IFF_BROADCAST, IFF_DEBUG, IFF_LOOPBACK, IFF_POINTOPOINT, IFF_NOTRAILERS, IFF_RUNNING, IFF_NOARP, IFF_PROMISC, IFF_ALLMULTI, IFF_MASTER, IFF_SLAVE, IFF_MULTICAST, IFF_PORTSEL, IFF_AUTOMEDIA, IFF_DYNAMIC, IFF_LOWER_UP, IFF_DORMANT, IFF_ECHO +ifa_flags = IFA_F_SECONDARY, IFA_F_NODAD, IFA_F_OPTIMISTIC, IFA_F_DADFAILED, IFA_F_HOMEADDRESS, IFA_F_DEPRECATED, IFA_F_TENTATIVE, IFA_F_PERMANENT, IFA_F_MANAGETEMPADDR, IFA_F_NOPREFIXROUTE, IFA_F_MCAUTOJOIN +rt_scope_t = RT_SCOPE_UNIVERSE, RT_SCOPE_SITE, RT_SCOPE_LINK, RT_SCOPE_HOST, RT_SCOPE_NOWHERE +rtm_protocol = RTPROT_UNSPEC, RTPROT_REDIRECT, RTPROT_KERNEL, RTPROT_BOOT, RTPROT_STATIC +rtm_type = RTN_UNSPEC, RTN_UNICAST, RTN_LOCAL, RTN_BROADCAST, RTN_ANYCAST, RTN_MULTICAST, RTN_BLACKHOLE, RTN_UNREACHABLE, RTN_PROHIBIT, RTN_THROW, RTN_NAT, RTN_XRESOLVE +rtm_flags = RTM_F_NOTIFY, RTM_F_CLONED, RTM_F_EQUALIZE, RTM_F_PREFIX, RTM_F_LOOKUP_TABLE, RTM_F_FIB_MATCH +lwtunnel_encap_types = LWTUNNEL_ENCAP_NONE, LWTUNNEL_ENCAP_MPLS, LWTUNNEL_ENCAP_IP, LWTUNNEL_ENCAP_ILA, LWTUNNEL_ENCAP_IP6, LWTUNNEL_ENCAP_SEG6, LWTUNNEL_ENCAP_BPF, LWTUNNEL_ENCAP_SEG6_LOCAL +ifa_prefixlen = 0, 1, 8, 16, 24, 31, 32, 56, 63, 64, 128 +rtm_addr_len = 0, 16, 20, 32, 128 -- cgit mrf-deployment