C++ (Cpp) br_set_port_state示例

示例#1

文件： br_netlink.c 项目： AiWinters/linux

/* Process bridge protocol info on port */
static int br_setport(struct net_bridge_port *p, struct nlattr *tb[])
{
	int err;

	br_set_port_flag(p, tb, IFLA_BRPORT_MODE, BR_HAIRPIN_MODE);
	br_set_port_flag(p, tb, IFLA_BRPORT_GUARD, BR_BPDU_GUARD);
	br_set_port_flag(p, tb, IFLA_BRPORT_FAST_LEAVE, BR_MULTICAST_FAST_LEAVE);

	if (tb[IFLA_BRPORT_COST]) {
		err = br_stp_set_path_cost(p, nla_get_u32(tb[IFLA_BRPORT_COST]));
		if (err)
			return err;
	}

	if (tb[IFLA_BRPORT_PRIORITY]) {
		err = br_stp_set_port_priority(p, nla_get_u16(tb[IFLA_BRPORT_PRIORITY]));
		if (err)
			return err;
	}

	if (tb[IFLA_BRPORT_STATE]) {
		err = br_set_port_state(p, nla_get_u8(tb[IFLA_BRPORT_STATE]));
		if (err)
			return err;
	}
	return 0;
}

示例#2

文件： br_netlink.c 项目： AiWinters/linux

/* Change state and parameters on port. */
int br_setlink(struct net_device *dev, struct nlmsghdr *nlh)
{
	struct ifinfomsg *ifm;
	struct nlattr *protinfo;
	struct nlattr *afspec;
	struct net_bridge_port *p;
	struct nlattr *tb[IFLA_BRPORT_MAX + 1];
	int err;

	ifm = nlmsg_data(nlh);

	protinfo = nlmsg_find_attr(nlh, sizeof(*ifm), IFLA_PROTINFO);
	afspec = nlmsg_find_attr(nlh, sizeof(*ifm), IFLA_AF_SPEC);
	if (!protinfo && !afspec)
		return 0;

	p = br_port_get_rtnl(dev);
	/* We want to accept dev as bridge itself if the AF_SPEC
	 * is set to see if someone is setting vlan info on the brigde
	 */
	if (!p && ((dev->priv_flags & IFF_EBRIDGE) && !afspec))
		return -EINVAL;

	if (p && protinfo) {
		if (protinfo->nla_type & NLA_F_NESTED) {
			err = nla_parse_nested(tb, IFLA_BRPORT_MAX,
					       protinfo, ifla_brport_policy);
			if (err)
				return err;

			spin_lock_bh(&p->br->lock);
			err = br_setport(p, tb);
			spin_unlock_bh(&p->br->lock);
		} else {
			/* Binary compatability with old RSTP */
			if (nla_len(protinfo) < sizeof(u8))
				return -EINVAL;

			spin_lock_bh(&p->br->lock);
			err = br_set_port_state(p, nla_get_u8(protinfo));
			spin_unlock_bh(&p->br->lock);
		}
		if (err)
			goto out;
	}

	if (afspec) {
		err = br_afspec((struct net_bridge *)netdev_priv(dev), p,
				afspec, RTM_SETLINK);
	}

	if (err == 0)
		br_ifinfo_notify(RTM_NEWLINK, p);

out:
	return err;
}

示例#3

文件： br_netlink.c 项目： afazekas/parallella-linux-adi

/* Change state and parameters on port. */
int br_setlink(struct net_device *dev, struct nlmsghdr *nlh)
{
	struct ifinfomsg *ifm;
	struct nlattr *protinfo;
	struct net_bridge_port *p;
	struct nlattr *tb[IFLA_BRPORT_MAX + 1];
	int err;

	ifm = nlmsg_data(nlh);

	protinfo = nlmsg_find_attr(nlh, sizeof(*ifm), IFLA_PROTINFO);
	if (!protinfo)
		return 0;

	p = br_port_get_rtnl(dev);
	if (!p)
		return -EINVAL;

	if (protinfo->nla_type & NLA_F_NESTED) {
		err = nla_parse_nested(tb, IFLA_BRPORT_MAX,
				       protinfo, ifla_brport_policy);
		if (err)
			return err;

		spin_lock_bh(&p->br->lock);
		err = br_setport(p, tb);
		spin_unlock_bh(&p->br->lock);
	} else {
		/* Binary compatability with old RSTP */
		if (nla_len(protinfo) < sizeof(u8))
			return -EINVAL;

		spin_lock_bh(&p->br->lock);
		err = br_set_port_state(p, nla_get_u8(protinfo));
		spin_unlock_bh(&p->br->lock);
	}

	if (err == 0)
		br_ifinfo_notify(RTM_NEWLINK, p);

	return err;
}