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Message-Id: <20170803155515.99226-26-julien@cumulusnetworks.com>
Date: Thu, 3 Aug 2017 17:55:13 +0200
From: Julien Fortin <julien@...ulusnetworks.com>
To: netdev@...r.kernel.org
Cc: roopa@...ulusnetworks.com, nikolay@...ulusnetworks.com,
dsa@...ulusnetworks.com, Julien Fortin <julien@...ulusnetworks.com>
Subject: [PATCH 25/27] ip: link_vti6.c: add json output support
From: Julien Fortin <julien@...ulusnetworks.com>
Schema:
{
"remote": {
"type": "string",
"attr": "IFLA_VTI_REMOTE"
},
"local": {
"type": "string",
"attr": "IFLA_VTI_LOCAL"
},
"link": {
"type": "string",
"attr": "IFLA_VTI_LINK",
"mutually_exclusive": {
"link_index": {
"type": "uint",
}
}
},
"ikey": {
"type": "string",
"attr": "IFLA_VTI_IKEY"
},
"okey": {
"type": "string",
"attr": "IFLA_VTI_OKEY"
}
}
➜ ~ ip -6 tunnel add name vti6 mode vti6 local 2001:db8:1::1/64 remote
2001:0db8:85a3:0000:0000:8a2e:0370:7334
➜ ~ ip link show
10: ip6tnl0@...E: <NOARP> mtu 1452 qdisc noop state DOWN mode DEFAULT
group default
link/tunnel6 :: brd ::
11: ip6_vti0@...E: <NOARP> mtu 1500 qdisc noop state DOWN mode DEFAULT
group default
link/tunnel6 :: brd ::
12: vti6@...E: <POINTOPOINT,NOARP> mtu 1500 qdisc noop state DOWN mode
DEFAULT group default
link/tunnel6 2001:db8:1::1 peer 2001:db8:85a3::8a2e:370:7334
➜ ~ ./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": "ip6_vti0",
"link": null,
"flags": ["NOARP"],
"mtu": 1500,
"qdisc": "noop",
"operstate": "DOWN",
"linkmode": "DEFAULT",
"group": "default",
"link_type": "tunnel6",
"address": "::",
"broadcast": "::",
"promiscuity": 0,
"linkinfo": {
"info_kind": "vti6",
"info_data": {
"remote": "::",
"local": "::",
"ikey": "0.0.0.0",
"okey": "0.0.0.0"
}
},
"inet6_addr_gen_mode": "eui64",
"num_tx_queues": 1,
"num_rx_queues": 1,
"gso_max_size": 65536,
"gso_max_segs": 65535
},{
"ifindex": 12,
"ifname": "vti6",
"link": null,
"flags": ["POINTOPOINT","NOARP"],
"mtu": 1500,
"qdisc": "noop",
"operstate": "DOWN",
"linkmode": "DEFAULT",
"group": "default",
"link_type": "tunnel6",
"address": "2001:db8:1::1",
"link_pointtopoint": true,
"broadcast": "2001:db8:85a3::8a2e:370:7334",
"promiscuity": 0,
"linkinfo": {
"info_kind": "vti6",
"info_data": {
"remote": "2001:db8:85a3::8a2e:370:7334",
"local": "2001:db8:1::1",
"ikey": "0.0.0.0",
"okey": "0.0.0.0"
}
},
"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@...ulusnetworks.com>
---
ip/link_vti6.c | 22 ++++++++++++++--------
1 file changed, 14 insertions(+), 8 deletions(-)
diff --git a/ip/link_vti6.c b/ip/link_vti6.c
index be4e33ce..7193e30b 100644
--- a/ip/link_vti6.c
+++ b/ip/link_vti6.c
@@ -222,7 +222,7 @@ static void vti6_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
remote = format_host(AF_INET6, 16, &daddr);
}
- fprintf(f, "remote %s ", remote);
+ print_string(PRINT_ANY, "remote", "remote %s ", remote);
if (tb[IFLA_VTI_LOCAL]) {
memcpy(&saddr, RTA_DATA(tb[IFLA_VTI_LOCAL]), sizeof(saddr));
@@ -230,29 +230,35 @@ static void vti6_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
local = format_host(AF_INET6, 16, &saddr);
}
- fprintf(f, "local %s ", local);
+ print_string(PRINT_ANY, "local", "local %s ", local);
if (tb[IFLA_VTI_LINK] && (link = rta_getattr_u32(tb[IFLA_VTI_LINK]))) {
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_VTI_IKEY]) {
inet_ntop(AF_INET, RTA_DATA(tb[IFLA_VTI_IKEY]), s2, sizeof(s2));
- fprintf(f, "ikey %s ", s2);
+ print_string(PRINT_ANY, "ikey", "ikey %s ", s2);
}
if (tb[IFLA_VTI_OKEY]) {
inet_ntop(AF_INET, RTA_DATA(tb[IFLA_VTI_OKEY]), s2, sizeof(s2));
- fprintf(f, "okey %s ", s2);
+ print_string(PRINT_ANY, "okey", "okey %s ", s2);
}
- if (tb[IFLA_VTI_FWMARK] && rta_getattr_u32(tb[IFLA_VTI_FWMARK])) {
- fprintf(f, "fwmark 0x%x ", rta_getattr_u32(tb[IFLA_VTI_FWMARK]));
+ if (tb[IFLA_VTI_FWMARK]) {
+ __u32 fwmark = rta_getattr_u32(tb[IFLA_VTI_FWMARK]);
+
+ if (fwmark) {
+ snprintf(s2, sizeof(s2), "0x%x", fwmark);
+
+ print_string(PRINT_ANY, "fwmark", "fwmark %s ", s2);
+ }
}
}
--
2.13.3
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