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ip: iplink_vxlan.c: add json output support

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Schema:
{
    "id": {
        "type": "uint",
        "attr": "IFLA_VXLAN_ID"
    },
    "group": {
        "type": "string",
        "attr": "IFLA_VXLAN_GROUP"
    },
    "remote": {
        "type": "string",
        "attr": "IFLA_VXLAN_GROUP"
    },
    "group6": {
        "type": "string",
        "attr": "IFLA_VXLAN_GROUP6"
    },
    "remote6": {
        "type": "string",
        "attr": "IFLA_VXLAN_GROUP6"
    },
    "local": {
        "type": "string",
        "attr": "IFLA_VXLAN_LOCAL"
    },
    "local6": {
        "type": "string",
        "attr": "IFLA_VXLAN_LOCAL6"
    },
    "link": {
        "type": "string",
        "attr": "IFLA_VXLAN_LINK",
        "mutually_exclusive": {
            "link_index": {
                "type": "uint",
                "comment": "if not ifname for ifindex"
            }
        }
    },
    "port_range": {
        "type": "dict",
        "attr": "IFLA_VXLAN_PORT_RANGE",
        "dict": {
            "low": {
                "type": "uint"
            },
            "high": {
                "type": "uint"
            }
        }
    },
    "port": {
        "type": "uint",
        "attr": "IFLA_VXLAN_PORT"
    },
    "learning": {
        "type": "bool",
        "attr": "IFLA_VXLAN_LEARNING"
    },
    "proxy": {
        "type": "bool",
        "attr": "IFLA_VXLAN_PROXY"
    },
    "rsc": {
        "type": "bool",
        "attr": "IFLA_VXLAN_RSC"
    },
    "l2miss": {
        "type": "bool",
        "attr": "IFLA_VXLAN_L2MISS"
    },
    "l3miss": {
        "type": "bool",
        "attr": "IFLA_VXLAN_L3MISS"
    },
    "tos": {
        "type": "string",
        "attr": "IFLA_VXLAN_TOS"
    },
    "ttl": {
        "type": "int",
        "attr": "IFLA_VXLAN_TTL"
    },
    "label": {
        "type": "string",
        "attr": "IFLA_VXLAN_LABEL"
    },
    "ageing": {
        "type": "uint",
        "attr": "IFLA_VXLAN_AGEING"
    },
    "limit": {
        "type": "uint",
        "attr": "IFLA_VXLAN_LIMIT"
    },
    "udp_csum": {
        "type": "bool",
        "attr": "IFLA_VXLAN_UDP_CSUM"
    },
    "udp_zero_csum6_tx": {
        "type": "bool",
        "attr": "IFLA_VXLAN_UDP_ZERO_CSUM6_TX"
    },
    "udp_zero_csum6_rx": {
        "type": "bool",
        "attr": "IFLA_VXLAN_UDP_ZERO_CSUM6_RX"
    },
    "remcsum_tx": {
        "type": "bool",
        "attr": "IFLA_VXLAN_REMCSUM_TX"
    },
    "remcsum_rx": {
        "type": "bool",
        "attr": "IFLA_VXLAN_REMCSUM_RX"
    },
    "collect_metadata": {
        "type": "bool",
        "attr": "IFLA_VXLAN_COLLECT_METADATA"
    },
    "gbp": {
        "type": "bool",
        "attr": "IFLA_VXLAN_GBP"
    },
    "gpe": {
        "type": "bool",
        "attr": "IFLA_VXLAN_GPE"
    }
}

$ ip link add name vxlan42 type vxlan id 42 dev eth0 remote 203.0.113.6
local 192.0.2.1 dstport 4789
$ ip link add name vxlan43 type vxlan id 43 dev eth0 group 239.0.0.1
dstport 4789
$ ip -details -json link show
[{
        "ifindex": 17,
        "ifname": "vxlan42",
        "flags": ["BROADCAST","MULTICAST"],
        "mtu": 1450,
        "qdisc": "noop",
        "operstate": "DOWN",
        "linkmode": "DEFAULT",
        "group": "default",
        "link_type": "ether",
        "address": "b2:92:0e:1a:c6:42",
        "broadcast": "ff:ff:ff:ff:ff:ff",
        "promiscuity": 0,
        "linkinfo": {
            "info_kind": "vxlan",
            "info_data": {
                "id": 42,
                "remote": "203.0.113.6",
                "local": "192.0.2.1",
                "link": "eth0",
                "port_range": {
                    "low": 0,
                    "high": 0
                },
                "port": 4789,
                "learning": true,
                "ttl": 0,
                "ageing": 300,
                "udp_csum": false,
                "udp_zero_csum6_tx": false,
                "udp_zero_csum6_rx": false
            }
        },
        "inet6_addr_gen_mode": "eui64",
        "num_tx_queues": 1,
        "num_rx_queues": 1,
        "gso_max_size": 65536,
        "gso_max_segs": 65535
    },{
        "ifindex": 18,
        "ifname": "vxlan43",
        "flags": ["BROADCAST","MULTICAST"],
        "mtu": 1450,
        "qdisc": "noop",
        "operstate": "DOWN",
        "linkmode": "DEFAULT",
        "group": "default",
        "link_type": "ether",
        "address": "c6:51:4d:7f:f9:2f",
        "broadcast": "ff:ff:ff:ff:ff:ff",
        "promiscuity": 0,
        "linkinfo": {
            "info_kind": "vxlan",
            "info_data": {
                "id": 43,
                "group": "239.0.0.1",
                "link": "eth0",
                "port_range": {
                    "low": 0,
                    "high": 0
                },
                "port": 4789,
                "learning": true,
                "ttl": 0,
                "ageing": 300,
                "udp_csum": false,
                "udp_zero_csum6_tx": false,
                "udp_zero_csum6_rx": false
            }
        },
        "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 2017-08-17 10:36:04 -07:00 committed by Stephen Hemminger
parent d9e84ec27c
commit 3b98d9b804
1 changed files with 112 additions and 49 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

161
ip/iplink_vxlan.c
View File

@ -406,18 +406,22 @@ static void vxlan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
return;
vni = rta_getattr_u32(tb[IFLA_VXLAN_ID]);
fprintf(f, "id %u ", vni);
print_uint(PRINT_ANY, "id", "id %u ", vni);
if (tb[IFLA_VXLAN_GROUP]) {
__be32 addr = rta_getattr_u32(tb[IFLA_VXLAN_GROUP]);
if (addr) {
if (IN_MULTICAST(ntohl(addr)))
fprintf(f, "group %s ",
format_host(AF_INET, 4, &addr));
print_string(PRINT_ANY,
"group",
"group %s ",
format_host(AF_INET, 4, &addr));
else
fprintf(f, "remote %s ",
format_host(AF_INET, 4, &addr));
print_string(PRINT_ANY,
"remote",
"remote %s ",
format_host(AF_INET, 4, &addr));
}
} else if (tb[IFLA_VXLAN_GROUP6]) {
struct in6_addr addr;
@ -425,11 +429,19 @@ static void vxlan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
memcpy(&addr, RTA_DATA(tb[IFLA_VXLAN_GROUP6]), sizeof(struct in6_addr));
if (!IN6_IS_ADDR_UNSPECIFIED(&addr)) {
if (IN6_IS_ADDR_MULTICAST(&addr))
fprintf(f, "group %s ",
format_host(AF_INET6, sizeof(struct in6_addr), &addr));
print_string(PRINT_ANY,
"group6",
"group %s ",
format_host(AF_INET6,
sizeof(struct in6_addr),
&addr));
else
fprintf(f, "remote %s ",
format_host(AF_INET6, sizeof(struct in6_addr), &addr));
print_string(PRINT_ANY,
"remote6",
"remote %s ",
format_host(AF_INET6,
sizeof(struct in6_addr),
&addr));
}
}
@ -437,15 +449,21 @@ static void vxlan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
__be32 addr = rta_getattr_u32(tb[IFLA_VXLAN_LOCAL]);
if (addr)
fprintf(f, "local %s ",
format_host(AF_INET, 4, &addr));
print_string(PRINT_ANY,
"local",
"local %s ",
format_host(AF_INET, 4, &addr));
} else if (tb[IFLA_VXLAN_LOCAL6]) {
struct in6_addr addr;
memcpy(&addr, RTA_DATA(tb[IFLA_VXLAN_LOCAL6]), sizeof(struct in6_addr));
if (!IN6_IS_ADDR_UNSPECIFIED(&addr))
fprintf(f, "local %s ",
format_host(AF_INET6, sizeof(struct in6_addr), &addr));
print_string(PRINT_ANY,
"local6",
"local %s ",
format_host(AF_INET6,
sizeof(struct in6_addr),
&addr));
}
if (tb[IFLA_VXLAN_LINK] &&
@ -453,110 +471,155 @@ static void vxlan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
const char *n = if_indextoname(link, s2);
if (n)
fprintf(f, "dev %s ", n);
print_string(PRINT_ANY, "link", "dev %s ", n);
else
fprintf(f, "dev %u ", link);
print_uint(PRINT_ANY, "link_index", "dev %u ", link);
}
if (tb[IFLA_VXLAN_PORT_RANGE]) {
const struct ifla_vxlan_port_range *r
= RTA_DATA(tb[IFLA_VXLAN_PORT_RANGE]);
fprintf(f, "srcport %u %u ", ntohs(r->low), ntohs(r->high));
if (is_json_context()) {
open_json_object("port_range");
print_uint(PRINT_JSON, "low", NULL, ntohs(r->low));
print_uint(PRINT_JSON, "high", NULL, ntohs(r->high));
close_json_object();
} else {
fprintf(f, "srcport %u %u ",
ntohs(r->low), ntohs(r->high));
}
}
if (tb[IFLA_VXLAN_PORT])
fprintf(f, "dstport %u ",
rta_getattr_be16(tb[IFLA_VXLAN_PORT]));
print_uint(PRINT_ANY,
"port",
"dstport %u ",
rta_getattr_be16(tb[IFLA_VXLAN_PORT]));
if (tb[IFLA_VXLAN_LEARNING] &&
!rta_getattr_u8(tb[IFLA_VXLAN_LEARNING]))
fputs("nolearning ", f);
if (tb[IFLA_VXLAN_LEARNING]) {
__u8 learning = rta_getattr_u8(tb[IFLA_VXLAN_LEARNING]);
print_bool(PRINT_JSON, "learning", NULL, learning);
if (!learning)
print_bool(PRINT_FP, NULL, "nolearning ", true);
}
if (tb[IFLA_VXLAN_PROXY] && rta_getattr_u8(tb[IFLA_VXLAN_PROXY]))
fputs("proxy ", f);
print_bool(PRINT_ANY, "proxy", "proxy ", true);
if (tb[IFLA_VXLAN_RSC] && rta_getattr_u8(tb[IFLA_VXLAN_RSC]))
fputs("rsc ", f);
print_bool(PRINT_ANY, "rsc", "rsc ", true);
if (tb[IFLA_VXLAN_L2MISS] && rta_getattr_u8(tb[IFLA_VXLAN_L2MISS]))
fputs("l2miss ", f);
print_bool(PRINT_ANY, "l2miss", "l2miss ", true);
if (tb[IFLA_VXLAN_L3MISS] && rta_getattr_u8(tb[IFLA_VXLAN_L3MISS]))
fputs("l3miss ", f);
print_bool(PRINT_ANY, "l3miss", "l3miss ", true);
if (tb[IFLA_VXLAN_TOS] &&
(tos = rta_getattr_u8(tb[IFLA_VXLAN_TOS]))) {
if (tos == 1)
fprintf(f, "tos inherit ");
else
fprintf(f, "tos %#x ", tos);
if (is_json_context()) {
print_0xhex(PRINT_JSON, "tos", "%#x", tos);
} else {
if (tos == 1)
fprintf(f, "tos %s ", "inherit");
else
fprintf(f, "tos %#x ", tos);
}
}
if (tb[IFLA_VXLAN_TTL]) {
__u8 ttl = rta_getattr_u8(tb[IFLA_VXLAN_TTL]);
if (ttl)
fprintf(f, "ttl %d ", ttl);
print_int(PRINT_ANY, "ttl", "ttl %d ", ttl);
else
print_int(PRINT_JSON, "ttl", NULL, ttl);
}
if (tb[IFLA_VXLAN_LABEL]) {
__u32 label = rta_getattr_u32(tb[IFLA_VXLAN_LABEL]);
if (label)
fprintf(f, "flowlabel %#x ", ntohl(label));
print_0xhex(PRINT_ANY,
"label",
"flowlabel %#x ",
ntohl(label));
}
if (tb[IFLA_VXLAN_AGEING]) {
__u32 age = rta_getattr_u32(tb[IFLA_VXLAN_AGEING]);
if (age == 0)
fprintf(f, "ageing none ");
print_uint(PRINT_ANY, "ageing", "ageing none ", 0);
else
fprintf(f, "ageing %u ", age);
print_uint(PRINT_ANY, "ageing", "ageing %u ", age);
}
if (tb[IFLA_VXLAN_LIMIT] &&
((maxaddr = rta_getattr_u32(tb[IFLA_VXLAN_LIMIT])) != 0))
fprintf(f, "maxaddr %u ", maxaddr);
print_uint(PRINT_ANY, "limit", "maxaddr %u ", maxaddr);
if (tb[IFLA_VXLAN_UDP_CSUM]) {
if (!rta_getattr_u8(tb[IFLA_VXLAN_UDP_CSUM]))
fputs("no", f);
fputs("udpcsum ", f);
__u8 udp_csum = rta_getattr_u8(tb[IFLA_VXLAN_UDP_CSUM]);
if (is_json_context()) {
print_bool(PRINT_ANY, "udp_csum", NULL, udp_csum);
} else {
if (!udp_csum)
fputs("no", f);
fputs("udpcsum ", f);
}
}
if (tb[IFLA_VXLAN_UDP_ZERO_CSUM6_TX]) {
if (!rta_getattr_u8(tb[IFLA_VXLAN_UDP_ZERO_CSUM6_TX]))
fputs("no", f);
fputs("udp6zerocsumtx ", f);
__u8 csum6 = rta_getattr_u8(tb[IFLA_VXLAN_UDP_ZERO_CSUM6_TX]);
if (is_json_context()) {
print_bool(PRINT_ANY,
"udp_zero_csum6_tx", NULL, csum6);
} else {
if (!csum6)
fputs("no", f);
fputs("udp6zerocsumtx ", f);
}
}
if (tb[IFLA_VXLAN_UDP_ZERO_CSUM6_RX]) {
if (!rta_getattr_u8(tb[IFLA_VXLAN_UDP_ZERO_CSUM6_RX]))
fputs("no", f);
fputs("udp6zerocsumrx ", f);
__u8 csum6 = rta_getattr_u8(tb[IFLA_VXLAN_UDP_ZERO_CSUM6_RX]);
if (is_json_context()) {
print_bool(PRINT_ANY,
"udp_zero_csum6_rx",
NULL,
csum6);
} else {
if (!csum6)
fputs("no", f);
fputs("udp6zerocsumrx ", f);
}
}
if (tb[IFLA_VXLAN_REMCSUM_TX] &&
rta_getattr_u8(tb[IFLA_VXLAN_REMCSUM_TX]))
fputs("remcsumtx ", f);
print_bool(PRINT_ANY, "remcsum_tx", "remcsumtx ", true);
if (tb[IFLA_VXLAN_REMCSUM_RX] &&
rta_getattr_u8(tb[IFLA_VXLAN_REMCSUM_RX]))
fputs("remcsumrx ", f);
print_bool(PRINT_ANY, "remcsum_rx", "remcsumrx ", true);
if (tb[IFLA_VXLAN_COLLECT_METADATA] &&
rta_getattr_u8(tb[IFLA_VXLAN_COLLECT_METADATA]))
fputs("external ", f);
print_bool(PRINT_ANY, "collect_metadata", "external ", true);
if (tb[IFLA_VXLAN_GBP])
fputs("gbp ", f);
print_bool(PRINT_ANY, "gbp", "gbp ", true);
if (tb[IFLA_VXLAN_GPE])
fputs("gpe ", f);
print_bool(PRINT_ANY, "gpe", "gpe ", true);
}
static void vxlan_print_help(struct link_util *lu, int argc, char **argv,
FILE *f)
FILE *f)
{
print_explain(f);
}