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Read mac address from sysfs instead of ubus

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This is much faster

Signed-off-by: Daniel Danzberger <daniel@dd-wrt.com>
This commit is contained in:
Daniel Danzberger 2020-01-08 22:52:08 +01:00
parent 7ce4410723
commit 8708940709
1 changed files with 12 additions and 8 deletions
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20
libbbf_api/dmcommon.c
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@ -1393,15 +1393,19 @@ char **strsplit_by_str(const char str[], char *delim)
char *get_macaddr(char *interface_name)
{
json_object *res;
char *device, *mac = "";
char *device = get_device(interface_name);
char *mac;
dmubus_call("network.interface", "status", UBUS_ARGS{{"interface", interface_name, String}}, 1, &res);
device = dmjson_get_value(res, 1, "device");
if(device[0] == '\0')
return "";
dmubus_call("network.device", "status", UBUS_ARGS{{"name", device, String}}, 1, &res);
mac = dmjson_get_value(res, 1, "macaddr");
if(device[0]) {
char file[128];
char val[32];
snprintf(file, sizeof(file), "/sys/class/net/%s/address", device);
dm_read_sysfs_file(file, val, sizeof(val));
mac = dmstrdup(val);
} else {
mac = "";
}
return mac;
}