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Packit |
d3f73b |
/*
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Packit |
d3f73b |
* link_ip6tnl.c ip6tnl driver module
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Packit |
d3f73b |
*
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Packit |
d3f73b |
* This program is free software; you can redistribute it and/or
|
|
Packit |
d3f73b |
* modify it under the terms of the GNU General Public License
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Packit |
d3f73b |
* as published by the Free Software Foundation; either version
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Packit |
d3f73b |
* 2 of the License, or (at your option) any later version.
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Packit |
d3f73b |
*
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Packit |
d3f73b |
* Authors: Nicolas Dichtel <nicolas.dichtel@6wind.com>
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Packit |
d3f73b |
*
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Packit |
d3f73b |
*/
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Packit |
d3f73b |
|
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Packit |
d3f73b |
#include <string.h>
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d3f73b |
#include <net/if.h>
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Packit |
d3f73b |
#include <sys/types.h>
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Packit |
d3f73b |
#include <sys/socket.h>
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Packit |
d3f73b |
#include <arpa/inet.h>
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Packit |
d3f73b |
|
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Packit |
d3f73b |
#include <linux/ip.h>
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Packit |
d3f73b |
#include <linux/if_tunnel.h>
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Packit |
d3f73b |
#include <linux/ip6_tunnel.h>
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Packit |
d3f73b |
#include "rt_names.h"
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d3f73b |
#include "utils.h"
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d3f73b |
#include "ip_common.h"
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d3f73b |
#include "tunnel.h"
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Packit |
d3f73b |
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Packit |
d3f73b |
#define IP6_FLOWINFO_TCLASS htonl(0x0FF00000)
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d3f73b |
#define IP6_FLOWINFO_FLOWLABEL htonl(0x000FFFFF)
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Packit |
d3f73b |
|
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Packit |
d3f73b |
#define DEFAULT_TNL_HOP_LIMIT (64)
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d3f73b |
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d3f73b |
static void ip6tunnel_print_help(struct link_util *lu, int argc, char **argv,
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Packit |
d3f73b |
FILE *f)
|
|
Packit |
d3f73b |
{
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Packit |
d3f73b |
fprintf(f,
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d3f73b |
"Usage: ... %-6s [ remote ADDR ]\n"
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Packit |
d3f73b |
" [ local ADDR ]\n"
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Packit |
d3f73b |
" [ encaplimit ELIM ]\n"
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Packit |
d3f73b |
" [ hoplimit HLIM ]\n"
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Packit |
d3f73b |
" [ tclass TCLASS ]\n"
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Packit |
d3f73b |
" [ flowlabel FLOWLABEL ]\n"
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Packit |
d3f73b |
" [ dscp inherit ]\n"
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Packit |
d3f73b |
" [ [no]allow-localremote ]\n"
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Packit |
d3f73b |
" [ dev PHYS_DEV ]\n"
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Packit |
d3f73b |
" [ fwmark MARK ]\n"
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d3f73b |
" [ external ]\n"
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Packit |
d3f73b |
" [ noencap ]\n"
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Packit |
d3f73b |
" [ encap { fou | gue | none } ]\n"
|
|
Packit |
d3f73b |
" [ encap-sport PORT ]\n"
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|
Packit |
d3f73b |
" [ encap-dport PORT ]\n"
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|
Packit |
d3f73b |
" [ [no]encap-csum ]\n"
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|
Packit |
d3f73b |
" [ [no]encap-csum6 ]\n"
|
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Packit |
d3f73b |
" [ [no]encap-remcsum ]\n"
|
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Packit |
d3f73b |
" [ mode { ip6ip6 | ipip6 | any } ]\n"
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d3f73b |
"\n"
|
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d3f73b |
"Where: ADDR := IPV6_ADDRESS\n"
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d3f73b |
" ELIM := { none | 0..255 }(default=%d)\n"
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Packit |
d3f73b |
" HLIM := 0..255 (default=%d)\n"
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|
Packit |
d3f73b |
" TCLASS := { 0x0..0xff | inherit }\n"
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|
Packit |
d3f73b |
" FLOWLABEL := { 0x0..0xfffff | inherit }\n"
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|
Packit |
d3f73b |
" MARK := { 0x0..0xffffffff | inherit }\n",
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|
Packit |
d3f73b |
lu->id,
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d3f73b |
IPV6_DEFAULT_TNL_ENCAP_LIMIT, DEFAULT_TNL_HOP_LIMIT);
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Packit |
d3f73b |
}
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d3f73b |
|
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d3f73b |
static int ip6tunnel_parse_opt(struct link_util *lu, int argc, char **argv,
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d3f73b |
struct nlmsghdr *n)
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|
Packit |
d3f73b |
{
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|
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d3f73b |
struct ifinfomsg *ifi = NLMSG_DATA(n);
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Packit |
d3f73b |
struct {
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d3f73b |
struct nlmsghdr n;
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d3f73b |
struct ifinfomsg i;
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Packit |
d3f73b |
} req = {
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d3f73b |
.n.nlmsg_len = NLMSG_LENGTH(sizeof(*ifi)),
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d3f73b |
.n.nlmsg_flags = NLM_F_REQUEST,
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d3f73b |
.n.nlmsg_type = RTM_GETLINK,
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d3f73b |
.i.ifi_family = preferred_family,
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d3f73b |
.i.ifi_index = ifi->ifi_index,
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|
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d3f73b |
};
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d3f73b |
struct nlmsghdr *answer;
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d3f73b |
struct rtattr *tb[IFLA_MAX + 1];
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d3f73b |
struct rtattr *linkinfo[IFLA_INFO_MAX+1];
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d3f73b |
struct rtattr *iptuninfo[IFLA_IPTUN_MAX + 1];
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Packit |
d3f73b |
int len;
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d3f73b |
inet_prefix saddr, daddr;
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d3f73b |
__u8 hop_limit = DEFAULT_TNL_HOP_LIMIT;
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d3f73b |
__u8 encap_limit = IPV6_DEFAULT_TNL_ENCAP_LIMIT;
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d3f73b |
__u32 flowinfo = 0;
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d3f73b |
__u32 flags = 0;
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d3f73b |
__u8 proto = 0;
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d3f73b |
__u32 link = 0;
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d3f73b |
__u16 encaptype = 0;
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d3f73b |
__u16 encapflags = TUNNEL_ENCAP_FLAG_CSUM6;
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d3f73b |
__u16 encapsport = 0;
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d3f73b |
__u16 encapdport = 0;
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d3f73b |
__u8 metadata = 0;
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d3f73b |
__u32 fwmark = 0;
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d3f73b |
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d3f73b |
inet_prefix_reset(&saddr);
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d3f73b |
inet_prefix_reset(&daddr);
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d3f73b |
|
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if (!(n->nlmsg_flags & NLM_F_CREATE)) {
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d3f73b |
const struct rtattr *rta;
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d3f73b |
|
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d3f73b |
if (rtnl_talk(&rth, &req.n, &answer) < 0) {
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|
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d3f73b |
get_failed:
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Packit |
d3f73b |
fprintf(stderr,
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|
Packit |
d3f73b |
"Failed to get existing tunnel info.\n");
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Packit |
d3f73b |
return -1;
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|
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d3f73b |
}
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Packit |
d3f73b |
|
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d3f73b |
len = answer->nlmsg_len;
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d3f73b |
len -= NLMSG_LENGTH(sizeof(*ifi));
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|
Packit |
d3f73b |
if (len < 0)
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d3f73b |
goto get_failed;
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|
Packit |
d3f73b |
|
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Packit |
d3f73b |
parse_rtattr(tb, IFLA_MAX, IFLA_RTA(NLMSG_DATA(answer)), len);
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d3f73b |
|
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Packit |
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if (!tb[IFLA_LINKINFO])
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Packit |
d3f73b |
goto get_failed;
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|
Packit |
d3f73b |
|
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Packit |
d3f73b |
parse_rtattr_nested(linkinfo, IFLA_INFO_MAX, tb[IFLA_LINKINFO]);
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d3f73b |
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Packit |
d3f73b |
if (!linkinfo[IFLA_INFO_DATA])
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Packit |
d3f73b |
goto get_failed;
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Packit |
d3f73b |
|
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Packit |
d3f73b |
parse_rtattr_nested(iptuninfo, IFLA_IPTUN_MAX,
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Packit |
d3f73b |
linkinfo[IFLA_INFO_DATA]);
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Packit |
d3f73b |
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Packit |
d3f73b |
rta = iptuninfo[IFLA_IPTUN_LOCAL];
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Packit |
d3f73b |
if (rta && get_addr_rta(&saddr, rta, AF_INET6))
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Packit |
d3f73b |
goto get_failed;
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Packit |
d3f73b |
|
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Packit |
d3f73b |
rta = iptuninfo[IFLA_IPTUN_REMOTE];
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Packit |
d3f73b |
if (rta && get_addr_rta(&daddr, rta, AF_INET6))
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Packit |
d3f73b |
goto get_failed;
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Packit |
d3f73b |
|
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Packit |
d3f73b |
if (iptuninfo[IFLA_IPTUN_TTL])
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d3f73b |
hop_limit = rta_getattr_u8(iptuninfo[IFLA_IPTUN_TTL]);
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Packit |
d3f73b |
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Packit |
d3f73b |
if (iptuninfo[IFLA_IPTUN_ENCAP_LIMIT])
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Packit |
d3f73b |
encap_limit = rta_getattr_u8(iptuninfo[IFLA_IPTUN_ENCAP_LIMIT]);
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Packit |
d3f73b |
|
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Packit |
d3f73b |
if (iptuninfo[IFLA_IPTUN_FLOWINFO])
|
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d3f73b |
flowinfo = rta_getattr_u32(iptuninfo[IFLA_IPTUN_FLOWINFO]);
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Packit |
d3f73b |
|
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Packit |
d3f73b |
if (iptuninfo[IFLA_IPTUN_FLAGS])
|
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Packit |
d3f73b |
flags = rta_getattr_u32(iptuninfo[IFLA_IPTUN_FLAGS]);
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Packit |
d3f73b |
|
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Packit |
d3f73b |
if (iptuninfo[IFLA_IPTUN_LINK])
|
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Packit |
d3f73b |
link = rta_getattr_u32(iptuninfo[IFLA_IPTUN_LINK]);
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Packit |
d3f73b |
|
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Packit |
d3f73b |
if (iptuninfo[IFLA_IPTUN_PROTO])
|
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d3f73b |
proto = rta_getattr_u8(iptuninfo[IFLA_IPTUN_PROTO]);
|
|
Packit |
d3f73b |
if (iptuninfo[IFLA_IPTUN_COLLECT_METADATA])
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|
Packit |
d3f73b |
metadata = 1;
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
if (iptuninfo[IFLA_IPTUN_FWMARK])
|
|
Packit |
d3f73b |
fwmark = rta_getattr_u32(iptuninfo[IFLA_IPTUN_FWMARK]);
|
|
Packit |
d3f73b |
|
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Packit |
d3f73b |
free(answer);
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|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
while (argc > 0) {
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|
Packit |
d3f73b |
if (strcmp(*argv, "mode") == 0) {
|
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Packit |
d3f73b |
NEXT_ARG();
|
|
Packit |
d3f73b |
if (strcmp(*argv, "ipv6/ipv6") == 0 ||
|
|
Packit |
d3f73b |
strcmp(*argv, "ip6ip6") == 0)
|
|
Packit |
d3f73b |
proto = IPPROTO_IPV6;
|
|
Packit |
d3f73b |
else if (strcmp(*argv, "ip/ipv6") == 0 ||
|
|
Packit |
d3f73b |
strcmp(*argv, "ipv4/ipv6") == 0 ||
|
|
Packit |
d3f73b |
strcmp(*argv, "ipip6") == 0 ||
|
|
Packit |
d3f73b |
strcmp(*argv, "ip4ip6") == 0)
|
|
Packit |
d3f73b |
proto = IPPROTO_IPIP;
|
|
Packit |
d3f73b |
else if (strcmp(*argv, "any/ipv6") == 0 ||
|
|
Packit |
d3f73b |
strcmp(*argv, "any") == 0)
|
|
Packit |
d3f73b |
proto = 0;
|
|
Packit |
d3f73b |
else
|
|
Packit |
d3f73b |
invarg("Cannot guess tunnel mode.", *argv);
|
|
Packit |
d3f73b |
} else if (strcmp(*argv, "remote") == 0) {
|
|
Packit |
d3f73b |
NEXT_ARG();
|
|
Packit |
d3f73b |
get_addr(&daddr, *argv, AF_INET6);
|
|
Packit |
d3f73b |
} else if (strcmp(*argv, "local") == 0) {
|
|
Packit |
d3f73b |
NEXT_ARG();
|
|
Packit |
d3f73b |
get_addr(&saddr, *argv, AF_INET6);
|
|
Packit |
d3f73b |
} else if (matches(*argv, "dev") == 0) {
|
|
Packit |
d3f73b |
NEXT_ARG();
|
|
Packit |
d3f73b |
link = ll_name_to_index(*argv);
|
|
Packit |
d3f73b |
if (!link)
|
|
Packit |
d3f73b |
exit(nodev(*argv));
|
|
Packit |
d3f73b |
} else if (strcmp(*argv, "ttl") == 0 ||
|
|
Packit |
d3f73b |
strcmp(*argv, "hoplimit") == 0 ||
|
|
Packit |
d3f73b |
strcmp(*argv, "hlim") == 0) {
|
|
Packit |
d3f73b |
NEXT_ARG();
|
|
Packit |
d3f73b |
if (strcmp(*argv, "inherit") != 0) {
|
|
Packit |
d3f73b |
if (get_u8(&hop_limit, *argv, 0))
|
|
Packit |
d3f73b |
invarg("invalid HLIM\n", *argv);
|
|
Packit |
d3f73b |
} else
|
|
Packit |
d3f73b |
hop_limit = 0;
|
|
Packit |
d3f73b |
} else if (strcmp(*argv, "encaplimit") == 0) {
|
|
Packit |
d3f73b |
NEXT_ARG();
|
|
Packit |
d3f73b |
if (strcmp(*argv, "none") == 0) {
|
|
Packit |
d3f73b |
flags |= IP6_TNL_F_IGN_ENCAP_LIMIT;
|
|
Packit |
d3f73b |
} else {
|
|
Packit |
d3f73b |
__u8 uval;
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
if (get_u8(&uval, *argv, 0) < -1)
|
|
Packit |
d3f73b |
invarg("invalid ELIM", *argv);
|
|
Packit |
d3f73b |
encap_limit = uval;
|
|
Packit |
d3f73b |
flags &= ~IP6_TNL_F_IGN_ENCAP_LIMIT;
|
|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
} else if (strcmp(*argv, "tos") == 0 ||
|
|
Packit |
d3f73b |
strcmp(*argv, "tclass") == 0 ||
|
|
Packit |
d3f73b |
strcmp(*argv, "tc") == 0 ||
|
|
Packit |
d3f73b |
matches(*argv, "dsfield") == 0) {
|
|
Packit |
d3f73b |
__u8 uval;
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
NEXT_ARG();
|
|
Packit |
d3f73b |
flowinfo &= ~IP6_FLOWINFO_TCLASS;
|
|
Packit |
d3f73b |
if (strcmp(*argv, "inherit") == 0)
|
|
Packit |
d3f73b |
flags |= IP6_TNL_F_USE_ORIG_TCLASS;
|
|
Packit |
d3f73b |
else {
|
|
Packit |
d3f73b |
if (get_u8(&uval, *argv, 16))
|
|
Packit |
d3f73b |
invarg("invalid TClass", *argv);
|
|
Packit |
d3f73b |
flowinfo |= htonl((__u32)uval << 20) & IP6_FLOWINFO_TCLASS;
|
|
Packit |
d3f73b |
flags &= ~IP6_TNL_F_USE_ORIG_TCLASS;
|
|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
} else if (strcmp(*argv, "flowlabel") == 0 ||
|
|
Packit |
d3f73b |
strcmp(*argv, "fl") == 0) {
|
|
Packit |
d3f73b |
__u32 uval;
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
NEXT_ARG();
|
|
Packit |
d3f73b |
flowinfo &= ~IP6_FLOWINFO_FLOWLABEL;
|
|
Packit |
d3f73b |
if (strcmp(*argv, "inherit") == 0)
|
|
Packit |
d3f73b |
flags |= IP6_TNL_F_USE_ORIG_FLOWLABEL;
|
|
Packit |
d3f73b |
else {
|
|
Packit |
d3f73b |
if (get_u32(&uval, *argv, 16))
|
|
Packit |
d3f73b |
invarg("invalid Flowlabel", *argv);
|
|
Packit |
d3f73b |
if (uval > 0xFFFFF)
|
|
Packit |
d3f73b |
invarg("invalid Flowlabel", *argv);
|
|
Packit |
d3f73b |
flowinfo |= htonl(uval) & IP6_FLOWINFO_FLOWLABEL;
|
|
Packit |
d3f73b |
flags &= ~IP6_TNL_F_USE_ORIG_FLOWLABEL;
|
|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
} else if (strcmp(*argv, "dscp") == 0) {
|
|
Packit |
d3f73b |
NEXT_ARG();
|
|
Packit |
d3f73b |
if (strcmp(*argv, "inherit") != 0)
|
|
Packit |
d3f73b |
invarg("not inherit", *argv);
|
|
Packit |
d3f73b |
flags |= IP6_TNL_F_RCV_DSCP_COPY;
|
|
Packit |
d3f73b |
} else if (strcmp(*argv, "fwmark") == 0) {
|
|
Packit |
d3f73b |
NEXT_ARG();
|
|
Packit |
d3f73b |
if (strcmp(*argv, "inherit") == 0) {
|
|
Packit |
d3f73b |
flags |= IP6_TNL_F_USE_ORIG_FWMARK;
|
|
Packit |
d3f73b |
fwmark = 0;
|
|
Packit |
d3f73b |
} else {
|
|
Packit |
d3f73b |
if (get_u32(&fwmark, *argv, 0))
|
|
Packit |
d3f73b |
invarg("invalid fwmark\n", *argv);
|
|
Packit |
d3f73b |
flags &= ~IP6_TNL_F_USE_ORIG_FWMARK;
|
|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
} else if (strcmp(*argv, "allow-localremote") == 0) {
|
|
Packit |
d3f73b |
flags |= IP6_TNL_F_ALLOW_LOCAL_REMOTE;
|
|
Packit |
d3f73b |
} else if (strcmp(*argv, "noallow-localremote") == 0) {
|
|
Packit |
d3f73b |
flags &= ~IP6_TNL_F_ALLOW_LOCAL_REMOTE;
|
|
Packit |
d3f73b |
} else if (strcmp(*argv, "noencap") == 0) {
|
|
Packit |
d3f73b |
encaptype = TUNNEL_ENCAP_NONE;
|
|
Packit |
d3f73b |
} else if (strcmp(*argv, "encap") == 0) {
|
|
Packit |
d3f73b |
NEXT_ARG();
|
|
Packit |
d3f73b |
if (strcmp(*argv, "fou") == 0)
|
|
Packit |
d3f73b |
encaptype = TUNNEL_ENCAP_FOU;
|
|
Packit |
d3f73b |
else if (strcmp(*argv, "gue") == 0)
|
|
Packit |
d3f73b |
encaptype = TUNNEL_ENCAP_GUE;
|
|
Packit |
d3f73b |
else if (strcmp(*argv, "none") == 0)
|
|
Packit |
d3f73b |
encaptype = TUNNEL_ENCAP_NONE;
|
|
Packit |
d3f73b |
else
|
|
Packit |
d3f73b |
invarg("Invalid encap type.", *argv);
|
|
Packit |
d3f73b |
} else if (strcmp(*argv, "encap-sport") == 0) {
|
|
Packit |
d3f73b |
NEXT_ARG();
|
|
Packit |
d3f73b |
if (strcmp(*argv, "auto") == 0)
|
|
Packit |
d3f73b |
encapsport = 0;
|
|
Packit |
d3f73b |
else if (get_u16(&encapsport, *argv, 0))
|
|
Packit |
d3f73b |
invarg("Invalid source port.", *argv);
|
|
Packit |
d3f73b |
} else if (strcmp(*argv, "encap-dport") == 0) {
|
|
Packit |
d3f73b |
NEXT_ARG();
|
|
Packit |
d3f73b |
if (get_u16(&encapdport, *argv, 0))
|
|
Packit |
d3f73b |
invarg("Invalid destination port.", *argv);
|
|
Packit |
d3f73b |
} else if (strcmp(*argv, "encap-csum") == 0) {
|
|
Packit |
d3f73b |
encapflags |= TUNNEL_ENCAP_FLAG_CSUM;
|
|
Packit |
d3f73b |
} else if (strcmp(*argv, "noencap-csum") == 0) {
|
|
Packit |
d3f73b |
encapflags &= ~TUNNEL_ENCAP_FLAG_CSUM;
|
|
Packit |
d3f73b |
} else if (strcmp(*argv, "encap-udp6-csum") == 0) {
|
|
Packit |
d3f73b |
encapflags |= TUNNEL_ENCAP_FLAG_CSUM6;
|
|
Packit |
d3f73b |
} else if (strcmp(*argv, "noencap-udp6-csum") == 0) {
|
|
Packit |
d3f73b |
encapflags &= ~TUNNEL_ENCAP_FLAG_CSUM6;
|
|
Packit |
d3f73b |
} else if (strcmp(*argv, "encap-remcsum") == 0) {
|
|
Packit |
d3f73b |
encapflags |= TUNNEL_ENCAP_FLAG_REMCSUM;
|
|
Packit |
d3f73b |
} else if (strcmp(*argv, "noencap-remcsum") == 0) {
|
|
Packit |
d3f73b |
encapflags &= ~TUNNEL_ENCAP_FLAG_REMCSUM;
|
|
Packit |
d3f73b |
} else if (strcmp(*argv, "external") == 0) {
|
|
Packit |
d3f73b |
metadata = 1;
|
|
Packit |
d3f73b |
} else {
|
|
Packit |
d3f73b |
ip6tunnel_print_help(lu, argc, argv, stderr);
|
|
Packit |
d3f73b |
return -1;
|
|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
argc--, argv++;
|
|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
addattr8(n, 1024, IFLA_IPTUN_PROTO, proto);
|
|
Packit |
d3f73b |
if (metadata) {
|
|
Packit |
d3f73b |
addattr_l(n, 1024, IFLA_IPTUN_COLLECT_METADATA, NULL, 0);
|
|
Packit |
d3f73b |
return 0;
|
|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
if (is_addrtype_inet_not_unspec(&saddr)) {
|
|
Packit |
d3f73b |
addattr_l(n, 1024, IFLA_IPTUN_LOCAL,
|
|
Packit |
d3f73b |
saddr.data, saddr.bytelen);
|
|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
if (is_addrtype_inet_not_unspec(&daddr)) {
|
|
Packit |
d3f73b |
addattr_l(n, 1024, IFLA_IPTUN_REMOTE,
|
|
Packit |
d3f73b |
daddr.data, daddr.bytelen);
|
|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
addattr8(n, 1024, IFLA_IPTUN_TTL, hop_limit);
|
|
Packit |
d3f73b |
addattr8(n, 1024, IFLA_IPTUN_ENCAP_LIMIT, encap_limit);
|
|
Packit |
d3f73b |
addattr32(n, 1024, IFLA_IPTUN_FLOWINFO, flowinfo);
|
|
Packit |
d3f73b |
addattr32(n, 1024, IFLA_IPTUN_FLAGS, flags);
|
|
Packit |
d3f73b |
addattr32(n, 1024, IFLA_IPTUN_LINK, link);
|
|
Packit |
d3f73b |
addattr32(n, 1024, IFLA_IPTUN_FWMARK, fwmark);
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
addattr16(n, 1024, IFLA_IPTUN_ENCAP_TYPE, encaptype);
|
|
Packit |
d3f73b |
addattr16(n, 1024, IFLA_IPTUN_ENCAP_FLAGS, encapflags);
|
|
Packit |
d3f73b |
addattr16(n, 1024, IFLA_IPTUN_ENCAP_SPORT, htons(encapsport));
|
|
Packit |
d3f73b |
addattr16(n, 1024, IFLA_IPTUN_ENCAP_DPORT, htons(encapdport));
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
return 0;
|
|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
static void ip6tunnel_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
|
|
Packit |
d3f73b |
{
|
|
Packit |
d3f73b |
char s2[64];
|
|
Packit |
d3f73b |
__u32 flags = 0;
|
|
Packit |
d3f73b |
__u32 flowinfo = 0;
|
|
Packit |
d3f73b |
__u8 ttl = 0;
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
if (!tb)
|
|
Packit |
d3f73b |
return;
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
if (tb[IFLA_IPTUN_COLLECT_METADATA]) {
|
|
Packit |
d3f73b |
print_bool(PRINT_ANY, "external", "external ", true);
|
|
Packit |
d3f73b |
return;
|
|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
if (tb[IFLA_IPTUN_FLAGS])
|
|
Packit |
d3f73b |
flags = rta_getattr_u32(tb[IFLA_IPTUN_FLAGS]);
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
if (tb[IFLA_IPTUN_FLOWINFO])
|
|
Packit |
d3f73b |
flowinfo = rta_getattr_u32(tb[IFLA_IPTUN_FLOWINFO]);
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
if (tb[IFLA_IPTUN_PROTO]) {
|
|
Packit |
d3f73b |
switch (rta_getattr_u8(tb[IFLA_IPTUN_PROTO])) {
|
|
Packit |
d3f73b |
case IPPROTO_IPIP:
|
|
Packit |
d3f73b |
print_string(PRINT_ANY, "proto", "%s ", "ipip6");
|
|
Packit |
d3f73b |
break;
|
|
Packit |
d3f73b |
case IPPROTO_IPV6:
|
|
Packit |
d3f73b |
print_string(PRINT_ANY, "proto", "%s ", "ip6ip6");
|
|
Packit |
d3f73b |
break;
|
|
Packit |
d3f73b |
case 0:
|
|
Packit |
d3f73b |
print_string(PRINT_ANY, "proto", "%s ", "any");
|
|
Packit |
d3f73b |
break;
|
|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
tnl_print_endpoint("remote", tb[IFLA_IPTUN_REMOTE], AF_INET6);
|
|
Packit |
d3f73b |
tnl_print_endpoint("local", tb[IFLA_IPTUN_LOCAL], AF_INET6);
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
if (tb[IFLA_IPTUN_LINK]) {
|
|
Packit |
d3f73b |
__u32 link = rta_getattr_u32(tb[IFLA_IPTUN_LINK]);
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
if (link) {
|
|
Packit |
d3f73b |
print_string(PRINT_ANY, "link", "dev %s ",
|
|
Packit |
d3f73b |
ll_index_to_name(link));
|
|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
if (tb[IFLA_IPTUN_TTL])
|
|
Packit |
d3f73b |
ttl = rta_getattr_u8(tb[IFLA_IPTUN_TTL]);
|
|
Packit |
d3f73b |
if (is_json_context() || ttl)
|
|
Packit |
d3f73b |
print_uint(PRINT_ANY, "ttl", "hoplimit %u ", ttl);
|
|
Packit |
d3f73b |
else
|
|
Packit |
d3f73b |
print_string(PRINT_FP, NULL, "hoplimit %s ", "inherit");
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
if (flags & IP6_TNL_F_IGN_ENCAP_LIMIT) {
|
|
Packit |
d3f73b |
print_bool(PRINT_ANY,
|
|
Packit |
d3f73b |
"ip6_tnl_f_ign_encap_limit",
|
|
Packit |
d3f73b |
"encaplimit none ",
|
|
Packit |
d3f73b |
true);
|
|
Packit |
d3f73b |
} else if (tb[IFLA_IPTUN_ENCAP_LIMIT]) {
|
|
Packit |
d3f73b |
__u8 val = rta_getattr_u8(tb[IFLA_IPTUN_ENCAP_LIMIT]);
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
print_uint(PRINT_ANY, "encap_limit", "encaplimit %u ", val);
|
|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
if (flags & IP6_TNL_F_USE_ORIG_TCLASS) {
|
|
Packit |
d3f73b |
print_bool(PRINT_ANY,
|
|
Packit |
d3f73b |
"ip6_tnl_f_use_orig_tclass",
|
|
Packit |
d3f73b |
"tclass inherit ",
|
|
Packit |
d3f73b |
true);
|
|
Packit |
d3f73b |
} else if (tb[IFLA_IPTUN_FLOWINFO]) {
|
|
Packit |
d3f73b |
__u32 val = ntohl(flowinfo & IP6_FLOWINFO_TCLASS) >> 20;
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
snprintf(s2, sizeof(s2), "0x%02x", val);
|
|
Packit |
d3f73b |
print_string(PRINT_ANY, "tclass", "tclass %s ", s2);
|
|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
if (flags & IP6_TNL_F_USE_ORIG_FLOWLABEL) {
|
|
Packit |
d3f73b |
print_bool(PRINT_ANY,
|
|
Packit |
d3f73b |
"ip6_tnl_f_use_orig_flowlabel",
|
|
Packit |
d3f73b |
"flowlabel inherit ",
|
|
Packit |
d3f73b |
true);
|
|
Packit |
d3f73b |
} else if (tb[IFLA_IPTUN_FLOWINFO]) {
|
|
Packit |
d3f73b |
__u32 val = ntohl(flowinfo & IP6_FLOWINFO_FLOWLABEL);
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
snprintf(s2, sizeof(s2), "0x%05x", val);
|
|
Packit |
d3f73b |
print_string(PRINT_ANY, "flowlabel", "flowlabel %s ", s2);
|
|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
if (flags & IP6_TNL_F_RCV_DSCP_COPY)
|
|
Packit |
d3f73b |
print_bool(PRINT_ANY,
|
|
Packit |
d3f73b |
"ip6_tnl_f_rcv_dscp_copy",
|
|
Packit |
d3f73b |
"dscp inherit ",
|
|
Packit |
d3f73b |
true);
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
if (flags & IP6_TNL_F_MIP6_DEV)
|
|
Packit |
d3f73b |
print_bool(PRINT_ANY, "ip6_tnl_f_mip6_dev", "mip6 ", true);
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
if (flags & IP6_TNL_F_ALLOW_LOCAL_REMOTE)
|
|
Packit |
d3f73b |
print_bool(PRINT_ANY,
|
|
Packit |
d3f73b |
"ip6_tnl_f_allow_local_remote",
|
|
Packit |
d3f73b |
"allow-localremote ",
|
|
Packit |
d3f73b |
true);
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
if (flags & IP6_TNL_F_USE_ORIG_FWMARK) {
|
|
Packit |
d3f73b |
print_bool(PRINT_ANY,
|
|
Packit |
d3f73b |
"ip6_tnl_f_use_orig_fwmark",
|
|
Packit |
d3f73b |
"fwmark inherit ",
|
|
Packit |
d3f73b |
true);
|
|
Packit |
d3f73b |
} else if (tb[IFLA_IPTUN_FWMARK]) {
|
|
Packit |
d3f73b |
__u32 fwmark = rta_getattr_u32(tb[IFLA_IPTUN_FWMARK]);
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
if (fwmark) {
|
|
Packit |
d3f73b |
print_0xhex(PRINT_ANY,
|
|
Packit |
d3f73b |
"fwmark", "fwmark %#llx ", fwmark);
|
|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
tnl_print_encap(tb,
|
|
Packit |
d3f73b |
IFLA_IPTUN_ENCAP_TYPE,
|
|
Packit |
d3f73b |
IFLA_IPTUN_ENCAP_FLAGS,
|
|
Packit |
d3f73b |
IFLA_IPTUN_ENCAP_SPORT,
|
|
Packit |
d3f73b |
IFLA_IPTUN_ENCAP_DPORT);
|
|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
struct link_util ip6tnl_link_util = {
|
|
Packit |
d3f73b |
.id = "ip6tnl",
|
|
Packit |
d3f73b |
.maxattr = IFLA_IPTUN_MAX,
|
|
Packit |
d3f73b |
.parse_opt = ip6tunnel_parse_opt,
|
|
Packit |
d3f73b |
.print_opt = ip6tunnel_print_opt,
|
|
Packit |
d3f73b |
.print_help = ip6tunnel_print_help,
|
|
Packit |
d3f73b |
};
|