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ip: link_ip6tnl.c: add json output support
Schema
{
"proto": {
"type": "string",
"attr": "IFLA_IPTUN_PROTO"
},
"remote": {
"type": "string",
"attr": "IFLA_IPTUN_REMOTE"
},
"local": {
"type": "string",
"attr": "IFLA_IPTUN_LOCAL"
},
"link": {
"type": "string",
"attr": "IFLA_IPTUN_LINK",
"mutually_exclusive": {
"link_index": {
"type": "uint",
}
}
},
"ip6_tnl_f_ign_encap_limit": {
"type": "bool",
"attr": "IP6_TNL_F_IGN_ENCAP_LIMIT"
},
"encap_limit": {
"type": "uint",
"attr": "IFLA_IPTUN_ENCAP_LIMIT"
},
"ttl": {
"type": "uint",
"attr": "IFLA_IPTUN_TTL"
},
"ip6_tnl_f_use_orig_tclass": {
"type": "",
"attr": "IP6_TNL_F_USE_ORIG_TCLASS"
},
"flowinfo_tclass": {
"type": "string",
"attr": "IP6_FLOWINFO_TCLASS"
},
"ip6_tnl_f_use_orig_flowlabel": {
"type": "bool",
"attr": "IP6_TNL_F_USE_ORIG_FLOWLABEL"
},
"flowlabel": {
"type": "string",
"attr": "IP6_FLOWINFO_FLOWLABEL"
},
"flowinfo": {
"type": "string"
},
"ip6_tnl_f_rcv_dscp_copy": {
"type": "bool",
"attr": "IP6_TNL_F_RCV_DSCP_COPY"
},
"ip6_tnl_f_mip6_dev": {
"type": "bool",
"attr": "IP6_TNL_F_MIP6_DEV"
},
"ip6_tnl_f_use_orig_fwmark": {
"type": "bool",
"attr": "IP6_TNL_F_USE_ORIG_FWMARK"
},
"encap": {
"type": "dict",
"attr": "IFLA_IPTUN_ENCAP_TYPE",
"dict": {
"type": {
"type": "string",
"attr": "IFLA_IPTUN_ENCAP_TYPE"
},
"sport": {
"type": "uint",
"attr": "IFLA_IPTUN_ENCAP_SPORT"
},
"dport": {
"type": "uint",
"attr": "IFLA_IPTUN_ENCAP_DPORT"
},
"csum": {
"type": "bool",
"attr": "TUNNEL_ENCAP_FLAG_CSUM"
},
"csum6": {
"type": "bool",
"attr": "TUNNEL_ENCAP_FLAG_CSUM6"
},
"remcsum": {
"type": "bool",
"attr": "TUNNEL_ENCAP_FLAG_REMCSUM"
}
}
}
}
$ ip link show
$ ip -6 tunnel add name tun6 mode ip6gre local 2001:db8:1::1/64 remote
2001:0db8:85a3:0000:0000:8a2e:0370:7334
$ ip link show
10: ip6tnl0@NONE: <NOARP> mtu 1452 qdisc noop state DOWN mode DEFAULT group
default
link/tunnel6 :: brd ::
11: ip6gre0@NONE: <NOARP> mtu 1448 qdisc noop state DOWN mode DEFAULT group
default
link/gre6 00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00 brd
00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00
12: tun6@NONE: <POINTOPOINT,NOARP> mtu 1448 qdisc noop state DOWN mode
DEFAULT group default
link/gre6 20:01:0d:b8:00:01:00:00:00:00:00:00:00:00:00:01 peer
20:01:0d:b8:85:a3:00:00:00:00:8a:2e:03:70:73:34
➜ ~ ./ip -details -json link show
[{
"ifindex": 10,
"ifname": "ip6tnl0",
"link": null,
"flags": ["NOARP"],
"mtu": 1452,
"qdisc": "noop",
"operstate": "DOWN",
"linkmode": "DEFAULT",
"group": "default",
"link_type": "tunnel6",
"address": "::",
"broadcast": "::",
"promiscuity": 0,
"linkinfo": {
"info_kind": "ip6tnl",
"info_data": {
"proto": "ip6ip6",
"remote": "::",
"local": "::",
"encap_limit": 0,
"ttl": 0,
"flowinfo_tclass": "0x00",
"flowlabel": "0x00000",
"flowinfo": "0x00000000"
}
},
"inet6_addr_gen_mode": "eui64",
"num_tx_queues": 1,
"num_rx_queues": 1,
"gso_max_size": 65536,
"gso_max_segs": 65535
},{
"ifindex": 11,
"ifname": "ip6gre0",
"link": null,
"flags": ["NOARP"],
"mtu": 1448,
"qdisc": "noop",
"operstate": "DOWN",
"linkmode": "DEFAULT",
"group": "default",
"link_type": "gre6",
"address": "00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00",
"broadcast": "00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00",
"promiscuity": 0,
"linkinfo": {
"info_kind": "ip6gre",
"info_data": {
"remote": "any",
"local": "any",
"ttl": 0,
"encap_limit": 0,
"flowlabel": "0x00000"
}
},
"inet6_addr_gen_mode": "eui64",
"num_tx_queues": 1,
"num_rx_queues": 1,
"gso_max_size": 65536,
"gso_max_segs": 65535
},{
"ifindex": 12,
"ifname": "tun6",
"link": null,
"flags": ["POINTOPOINT","NOARP"],
"mtu": 1448,
"qdisc": "noop",
"operstate": "DOWN",
"linkmode": "DEFAULT",
"group": "default",
"link_type": "gre6",
"address": "20:01:0d:b8:00:01:00:00:00:00:00:00:00:00:00:01",
"link_pointtopoint": true,
"broadcast": "20:01:0d:b8:85:a3:00:00:00:00:8a:2e:03:70:73:34",
"promiscuity": 0,
"linkinfo": {
"info_kind": "ip6gre",
"info_data": {
"remote": "2001:db8:85a3::8a2e:370:7334",
"local": "2001:db8:1::1",
"ttl": 64,
"encap_limit": 4,
"flowlabel": "0x00000"
}
},
"inet6_addr_gen_mode": "eui64",
"num_tx_queues": 1,
"num_rx_queues": 1,
"gso_max_size": 65536,
"gso_max_segs": 65535
}
]
Signed-off-by: Julien Fortin <julien@cumulusnetworks.com>
This commit is contained in:
Julien Fortin
Stephen Hemminger
parent
6856fb6548
commit
1facc1c61c
172
ip/link_ip6tnl.c
172
ip/link_ip6tnl.c
@ -346,25 +346,29 @@ static void ip6tunnel_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb
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if (tb[IFLA_IPTUN_PROTO]) {
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switch (rta_getattr_u8(tb[IFLA_IPTUN_PROTO])) {
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case IPPROTO_IPIP:
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fprintf(f, "ipip6 ");
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print_string(PRINT_ANY, "proto", "%s ", "ipip6");
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break;
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case IPPROTO_IPV6:
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fprintf(f, "ip6ip6 ");
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print_string(PRINT_ANY, "proto", "%s ", "ip6ip6");
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break;
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case 0:
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fprintf(f, "any ");
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print_string(PRINT_ANY, "proto", "%s ", "any");
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break;
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}
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}
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if (tb[IFLA_IPTUN_REMOTE]) {
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fprintf(f, "remote %s ",
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rt_addr_n2a_rta(AF_INET6, tb[IFLA_IPTUN_REMOTE]));
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print_string(PRINT_ANY,
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"remote",
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"remote %s ",
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rt_addr_n2a_rta(AF_INET6, tb[IFLA_IPTUN_REMOTE]));
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}
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if (tb[IFLA_IPTUN_LOCAL]) {
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fprintf(f, "local %s ",
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rt_addr_n2a_rta(AF_INET6, tb[IFLA_IPTUN_LOCAL]));
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print_string(PRINT_ANY,
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"local",
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"local %s ",
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rt_addr_n2a_rta(AF_INET6, tb[IFLA_IPTUN_LOCAL]));
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}
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if (tb[IFLA_IPTUN_LINK] && rta_getattr_u32(tb[IFLA_IPTUN_LINK])) {
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@ -372,93 +376,161 @@ static void ip6tunnel_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb
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const char *n = if_indextoname(link, s2);
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if (n)
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fprintf(f, "dev %s ", n);
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print_string(PRINT_ANY, "link", "dev %s ", n);
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else
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fprintf(f, "dev %u ", link);
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print_uint(PRINT_ANY, "link_index", "dev %u ", link);
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}
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if (flags & IP6_TNL_F_IGN_ENCAP_LIMIT)
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printf("encaplimit none ");
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print_bool(PRINT_ANY,
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"ip6_tnl_f_ign_encap_limit",
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"encaplimit none ",
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true);
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else if (tb[IFLA_IPTUN_ENCAP_LIMIT])
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fprintf(f, "encaplimit %u ",
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rta_getattr_u8(tb[IFLA_IPTUN_ENCAP_LIMIT]));
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print_uint(PRINT_ANY,
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"encap_limit",
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"encaplimit %u ",
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rta_getattr_u8(tb[IFLA_IPTUN_ENCAP_LIMIT]));
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if (tb[IFLA_IPTUN_TTL])
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fprintf(f, "hoplimit %u ", rta_getattr_u8(tb[IFLA_IPTUN_TTL]));
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print_uint(PRINT_ANY,
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"ttl",
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"hoplimit %u ",
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rta_getattr_u8(tb[IFLA_IPTUN_TTL]));
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if (flags & IP6_TNL_F_USE_ORIG_TCLASS)
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printf("tclass inherit ");
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print_bool(PRINT_ANY,
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"ip6_tnl_f_use_orig_tclass",
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"tclass inherit ",
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true);
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else if (tb[IFLA_IPTUN_FLOWINFO]) {
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__u32 val = ntohl(flowinfo & IP6_FLOWINFO_TCLASS);
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printf("tclass 0x%02x ", (__u8)(val >> 20));
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if (is_json_context()) {
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SPRINT_BUF(b1);
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snprintf(b1, sizeof(b1), "0x%02x", (__u8)(val >> 20));
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print_string(PRINT_JSON, "flowinfo_tclass", NULL, b1);
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} else {
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printf("tclass 0x%02x ", (__u8)(val >> 20));
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}
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}
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if (flags & IP6_TNL_F_USE_ORIG_FLOWLABEL)
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printf("flowlabel inherit ");
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else
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printf("flowlabel 0x%05x ", ntohl(flowinfo & IP6_FLOWINFO_FLOWLABEL));
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if (flags & IP6_TNL_F_USE_ORIG_FLOWLABEL) {
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print_bool(PRINT_ANY,
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"ip6_tnl_f_use_orig_flowlabel",
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"flowlabel inherit ",
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true);
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} else {
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if (is_json_context()) {
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SPRINT_BUF(b1);
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printf("(flowinfo 0x%08x) ", ntohl(flowinfo));
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snprintf(b1, sizeof(b1), "0x%05x",
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ntohl(flowinfo & IP6_FLOWINFO_FLOWLABEL));
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print_string(PRINT_JSON, "flowlabel", NULL, b1);
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} else {
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printf("flowlabel 0x%05x ",
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ntohl(flowinfo & IP6_FLOWINFO_FLOWLABEL));
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}
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}
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if (is_json_context()) {
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SPRINT_BUF(flwinfo);
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snprintf(flwinfo, sizeof(flwinfo), "0x%08x", ntohl(flowinfo));
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print_string(PRINT_JSON, "flowinfo", NULL, flwinfo);
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} else {
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printf("(flowinfo 0x%08x) ", ntohl(flowinfo));
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}
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if (flags & IP6_TNL_F_RCV_DSCP_COPY)
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printf("dscp inherit ");
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print_bool(PRINT_ANY,
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"ip6_tnl_f_rcv_dscp_copy",
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"dscp inherit ",
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true);
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if (flags & IP6_TNL_F_MIP6_DEV)
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fprintf(f, "mip6 ");
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print_bool(PRINT_ANY, "ip6_tnl_f_mip6_dev", "mip6 ", true);
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if (flags & IP6_TNL_F_USE_ORIG_FWMARK)
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fprintf(f, "fwmark inherit ");
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else if (tb[IFLA_IPTUN_FWMARK] && rta_getattr_u32(tb[IFLA_IPTUN_FWMARK]))
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fprintf(f, "fwmark 0x%x ", rta_getattr_u32(tb[IFLA_IPTUN_FWMARK]));
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if (flags & IP6_TNL_F_USE_ORIG_FWMARK) {
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print_bool(PRINT_ANY,
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"ip6_tnl_f_use_orig_fwmark",
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"fwmark inherit ",
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true);
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} else if (tb[IFLA_IPTUN_FWMARK]) {
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__u32 fwmark = rta_getattr_u32(tb[IFLA_IPTUN_FWMARK]);
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if (fwmark) {
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SPRINT_BUF(b1);
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snprintf(b1, sizeof(b1), "0x%x", fwmark);
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print_string(PRINT_ANY, "fwmark", "fwmark %s ", b1);
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}
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}
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if (tb[IFLA_IPTUN_ENCAP_TYPE] &&
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rta_getattr_u16(tb[IFLA_IPTUN_ENCAP_TYPE]) !=
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TUNNEL_ENCAP_NONE) {
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rta_getattr_u16(tb[IFLA_IPTUN_ENCAP_TYPE]) != TUNNEL_ENCAP_NONE) {
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__u16 type = rta_getattr_u16(tb[IFLA_IPTUN_ENCAP_TYPE]);
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__u16 flags = rta_getattr_u16(tb[IFLA_IPTUN_ENCAP_FLAGS]);
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__u16 sport = rta_getattr_u16(tb[IFLA_IPTUN_ENCAP_SPORT]);
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__u16 dport = rta_getattr_u16(tb[IFLA_IPTUN_ENCAP_DPORT]);
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fputs("encap ", f);
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open_json_object("encap");
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print_string(PRINT_FP, NULL, "encap ", NULL);
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switch (type) {
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case TUNNEL_ENCAP_FOU:
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fputs("fou ", f);
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print_string(PRINT_ANY, "type", "%s ", "fou");
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break;
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case TUNNEL_ENCAP_GUE:
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fputs("gue ", f);
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print_string(PRINT_ANY, "type", "%s ", "gue");
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break;
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default:
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fputs("unknown ", f);
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print_null(PRINT_ANY, "type", "unknown ", NULL);
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break;
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}
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if (sport == 0)
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fputs("encap-sport auto ", f);
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else
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fprintf(f, "encap-sport %u", ntohs(sport));
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if (is_json_context()) {
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print_uint(PRINT_JSON,
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"sport",
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NULL,
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sport ? ntohs(sport) : 0);
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print_uint(PRINT_JSON, "dport", NULL, ntohs(dport));
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print_bool(PRINT_JSON, "csum", NULL,
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flags & TUNNEL_ENCAP_FLAG_CSUM);
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print_bool(PRINT_JSON, "csum6", NULL,
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flags & TUNNEL_ENCAP_FLAG_CSUM6);
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print_bool(PRINT_JSON, "remcsum", NULL,
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flags & TUNNEL_ENCAP_FLAG_REMCSUM);
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close_json_object();
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} else {
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if (sport == 0)
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fputs("encap-sport auto ", f);
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else
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fprintf(f, "encap-sport %u", ntohs(sport));
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fprintf(f, "encap-dport %u ", ntohs(dport));
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fprintf(f, "encap-dport %u ", ntohs(dport));
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if (flags & TUNNEL_ENCAP_FLAG_CSUM)
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fputs("encap-csum ", f);
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else
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fputs("noencap-csum ", f);
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if (flags & TUNNEL_ENCAP_FLAG_CSUM)
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fputs("encap-csum ", f);
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else
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fputs("noencap-csum ", f);
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if (flags & TUNNEL_ENCAP_FLAG_CSUM6)
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fputs("encap-csum6 ", f);
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else
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fputs("noencap-csum6 ", f);
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if (flags & TUNNEL_ENCAP_FLAG_CSUM6)
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fputs("encap-csum6 ", f);
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else
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fputs("noencap-csum6 ", f);
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if (flags & TUNNEL_ENCAP_FLAG_REMCSUM)
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fputs("encap-remcsum ", f);
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else
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fputs("noencap-remcsum ", f);
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if (flags & TUNNEL_ENCAP_FLAG_REMCSUM)
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fputs("encap-remcsum ", f);
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else
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fputs("noencap-remcsum ", f);
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}
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}
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}
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static void ip6tunnel_print_help(struct link_util *lu, int argc, char **argv,
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FILE *f)
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FILE *f)
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{
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print_usage(f);
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}
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