ip: iplink_ipoib.c: add json output support

Schema:
{
    "key": {
        "type": "string",
        "attr": "IFLA_IPOIB_PKEY"
    },
    "mode": {
        "type": "string",
        "attr": "IFLA_IPOIB_PKEY"
    },
    "umcast": {
        "type": "string",
        "attr": "IFLA_IPOIB_UMCAST"
    }
}

Signed-off-by: Julien Fortin <julien@cumulusnetworks.com>
This commit is contained in:
Julien Fortin 2017-08-17 10:36:01 -07:00 committed by Stephen Hemminger
parent 119fae0aa5
commit 3bec1cf84e

View File

@ -91,23 +91,43 @@ static void ipoib_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
RTA_PAYLOAD(tb[IFLA_IPOIB_PKEY]) < sizeof(__u16))
return;
fprintf(f, "pkey %#.4x ", rta_getattr_u16(tb[IFLA_IPOIB_PKEY]));
__u16 pkey = rta_getattr_u16(tb[IFLA_IPOIB_PKEY]);
if (is_json_context()) {
SPRINT_BUF(b1);
snprintf(b1, sizeof(b1), "%#.4x", pkey);
print_string(PRINT_JSON, "key", NULL, b1);
} else {
fprintf(f, "pkey %#.4x ", pkey);
}
if (!tb[IFLA_IPOIB_MODE] ||
RTA_PAYLOAD(tb[IFLA_IPOIB_MODE]) < sizeof(__u16))
return;
mode = rta_getattr_u16(tb[IFLA_IPOIB_MODE]);
fprintf(f, "mode %s ",
const char *mode_str =
mode == IPOIB_MODE_DATAGRAM ? "datagram" :
mode == IPOIB_MODE_CONNECTED ? "connected" :
"unknown");
mode == IPOIB_MODE_CONNECTED ? "connected" : "unknown";
print_string(PRINT_ANY, "mode", "mode %s ", mode_str);
if (!tb[IFLA_IPOIB_UMCAST] ||
RTA_PAYLOAD(tb[IFLA_IPOIB_UMCAST]) < sizeof(__u16))
return;
fprintf(f, "umcast %.4x ", rta_getattr_u16(tb[IFLA_IPOIB_UMCAST]));
__u16 umcast = rta_getattr_u16(tb[IFLA_IPOIB_UMCAST]);
if (is_json_context()) {
SPRINT_BUF(b1);
snprintf(b1, sizeof(b1), "%.4x", umcast);
print_string(PRINT_JSON, "umcast", NULL, b1);
} else {
fprintf(f, "umcast %.4x ", umcast);
}
}
static void ipoib_print_help(struct link_util *lu, int argc, char **argv,