Laszlo Attila Toth wrote:
+static int set_group(const char *dev, int ifgroup)
+{
+ struct {
+ struct nlmsghdr n;
+ struct ifinfomsg ifi;
+ char buf[256];
+ } req;
+ struct rtnl_handle rth;
+
+ memset(&req, 0, sizeof(req));
+ req.n.nlmsg_len = NLMSG_LENGTH(sizeof(req.ifi));
+ req.n.nlmsg_flags = NLM_F_REQUEST;
+ req.n.nlmsg_type = RTM_SETLINK;
+
+ req.ifi.ifi_index = -1;
+
+ addattr_l(&req.n, sizeof(req), IFLA_IFNAME, dev, strlen(dev)+1);
+ addattr_l(&req.n, sizeof(req), IFLA_IFGROUP, &ifgroup, sizeof(ifgroup));
+ if (rtnl_open(&rth, 0) < 0)
+ exit(1);
+ if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0)
+ return -1;
+ rtnl_close(&rth);
+ return 0;
+}
+
static int get_address(const char *dev, int *htype)
{
struct ifreq ifr;
@@ -545,6 +582,7 @@ static int do_set(int argc, char **argv)
__u32 mask = 0;
__u32 flags = 0;
int qlen = -1;
+ __u32 group = 0;
int mtu = -1;
char *newaddr = NULL;
char *newbrd = NULL;
@@ -577,6 +615,13 @@ static int do_set(int argc, char **argv)
duparg("txqueuelen", *argv);
if (get_integer(&qlen, *argv, 0))
invarg("Invalid \"txqueuelen\" value\n", *argv);
+ } else if (matches(*argv, "group") == 0) {
+ NEXT_ARG();
+ if (group != 0)
+ duparg("group", *argv);
+
+ if (rtnl_ifgroup_a2n(&group, *argv) || group == 0)
+ invarg("\"group\" value is invalid\n", *argv);
} else if (strcmp(*argv, "mtu") == 0) {
NEXT_ARG();
if (mtu != -1)
@@ -696,6 +741,10 @@ static int do_set(int argc, char **argv)
return -1;
}
}
+ if (group) {
+ if (set_group(dev, group) < 0)
+ return -1;
+ }
This part looks useless, for new kernels iproute always uses netlink
to configure things and old kernels don't support this feature. So
there's no need to support it in the ioctl-based configuration path.
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