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18d18b591b
Add descriptions related to IPv4/v6 tunnels (include/uapi/linux/if_tunnel.h). Descriptions of netlink actions are not included in this commit. Update #533.
76 lines
3.6 KiB
Plaintext
76 lines
3.6 KiB
Plaintext
# Copyright 2020 syzkaller project authors. All rights reserved.
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# Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
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include <uapi/linux/if_tunnel.h>
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include <uapi/linux/ip6_tunnel.h>
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include <uapi/linux/if.h>
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include <uapi/linux/in.h>
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include <uapi/linux/ip.h>
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include <net/ip.h>
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# Fallback tunnels and placeholder names "syztnl*".
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ipv4_tunnel_names = "ip_vti0", "tunl0", "gre0", "gretap0", "erspan0", "syztnl0", "syztnl1", "syztnl2"
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ipv6_tunnel_names = "ip6tnl0", "ip6_vti0", "ip6gre0", "sit0", "syztnl0", "syztnl1", "syztnl2"
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ip_tunnel_protocols = IPPROTO_IPIP, IPPROTO_GRE, IPPROTO_IPV6
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ip_tunnel_io_flags = GRE_CSUM, GRE_ROUTING, GRE_KEY, GRE_SEQ, GRE_STRICT, GRE_REC, GRE_ACK, GRE_FLAGS, GRE_VERSION, VTI_ISVTI
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type ipv4_header_only ipv4_packet_t[flags[ip_tunnel_protocols, int8], void]
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# IPv4 tunnel parameters
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ip_tunnel_parm {
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name string[ipv4_tunnel_names, IFNAMSIZ]
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link ifindex
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i_flags flags[ip_tunnel_io_flags, int16be]
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o_flags flags[ip_tunnel_io_flags, int16be]
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i_key int32be
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o_key int32be
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iph ipv4_header_only
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}
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ipv6_tunnel_flags = IP6_TNL_F_IGN_ENCAP_LIMIT, IP6_TNL_F_USE_ORIG_TCLASS, IP6_TNL_F_USE_ORIG_FLOWLABEL, IP6_TNL_F_MIP6_DEV, IP6_TNL_F_RCV_DSCP_COPY, IP6_TNL_F_USE_ORIG_FWMARK, IP6_TNL_F_ALLOW_LOCAL_REMOTE
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# IPv6 tunnel parameters
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ip6_tnl_parm2 {
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name string[ipv6_tunnel_names, IFNAMSIZ]
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link ifindex
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proto flags[ip_tunnel_protocols, int8]
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encap_limit int8
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hop_limit int8
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flowinfo int32be
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flags flags[ipv6_tunnel_flags, int32]
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laddr ipv6_addr
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raddr ipv6_addr
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i_flags flags[ip_tunnel_io_flags, int16be]
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o_flags flags[ip_tunnel_io_flags, int16be]
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i_key int32be
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o_key int32be
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}
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type ifreq_ipv4_tunnel ifreq_dev_t[ipv4_tunnel_names, ptr[inout, ip_tunnel_parm]]
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type ifreq_ipv6_tunnel ifreq_dev_t[ipv6_tunnel_names, ptr[inout, ip6_tnl_parm2]]
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# Repeat IP tunnel syscall variants here until #1913 is resolved.
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# IPv4 ioctls
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ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(fd sock_udp, cmd const[SIOCGETTUNNEL], arg ptr[inout, ifreq_ipv4_tunnel])
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ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(fd sock_udp, cmd const[SIOCADDTUNNEL], arg ptr[inout, ifreq_ipv4_tunnel])
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ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(fd sock_udp, cmd const[SIOCDELTUNNEL], arg ptr[inout, ifreq_ipv4_tunnel])
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ioctl$sock_ipv4_tunnel_SIOCCHGTUNNEL(fd sock_udp, cmd const[SIOCCHGTUNNEL], arg ptr[inout, ifreq_ipv4_tunnel])
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# IPv6 ioctls
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# SIOC***TUNNEL
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ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(fd sock_udp6, cmd const[SIOCGETTUNNEL], arg ptr[inout, ifreq_ipv6_tunnel])
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ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(fd sock_udp6, cmd const[SIOCADDTUNNEL], arg ptr[inout, ifreq_ipv6_tunnel])
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ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(fd sock_udp6, cmd const[SIOCDELTUNNEL], arg ptr[inout, ifreq_ipv6_tunnel])
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ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(fd sock_udp6, cmd const[SIOCCHGTUNNEL], arg ptr[inout, ifreq_ipv6_tunnel])
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# SIOC***PRL
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ioctl$sock_ipv6_tunnel_SIOCGETPRL(fd sock_udp6, cmd const[SIOCGETPRL], arg ptr[inout, ifreq_ipv6_tunnel])
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ioctl$sock_ipv6_tunnel_SIOCADDPRL(fd sock_udp6, cmd const[SIOCADDPRL], arg ptr[inout, ifreq_ipv6_tunnel])
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ioctl$sock_ipv6_tunnel_SIOCDELPRL(fd sock_udp6, cmd const[SIOCDELPRL], arg ptr[inout, ifreq_ipv6_tunnel])
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ioctl$sock_ipv6_tunnel_SIOCCHGPRL(fd sock_udp6, cmd const[SIOCCHGPRL], arg ptr[inout, ifreq_ipv6_tunnel])
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# SIOC***6RD
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ioctl$sock_ipv6_tunnel_SIOCGET6RD(fd sock_udp6, cmd const[SIOCGET6RD], arg ptr[inout, ifreq_ipv6_tunnel])
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ioctl$sock_ipv6_tunnel_SIOCADD6RD(fd sock_udp6, cmd const[SIOCADD6RD], arg ptr[inout, ifreq_ipv6_tunnel])
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ioctl$sock_ipv6_tunnel_SIOCDEL6RD(fd sock_udp6, cmd const[SIOCDEL6RD], arg ptr[inout, ifreq_ipv6_tunnel])
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ioctl$sock_ipv6_tunnel_SIOCCHG6RD(fd sock_udp6, cmd const[SIOCCHG6RD], arg ptr[inout, ifreq_ipv6_tunnel])
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