C++ (Cpp) nf_ct_l3proto_register_sysctl示例

示例#1

int nf_conntrack_l3proto_register(struct nf_conntrack_l3proto *proto)
{
    int ret = 0;

    if (proto->l3proto >= AF_MAX)
        return -EBUSY;

    if (proto->tuple_to_nlattr && !proto->nlattr_tuple_size)
        return -EINVAL;

    mutex_lock(&nf_ct_proto_mutex);
    if (nf_ct_l3protos[proto->l3proto] != &nf_conntrack_l3proto_generic) {
        ret = -EBUSY;
        goto out_unlock;
    }

    ret = nf_ct_l3proto_register_sysctl(proto);
    if (ret < 0)
        goto out_unlock;

    if (proto->nlattr_tuple_size)
        proto->nla_size = 3 * proto->nlattr_tuple_size();

    rcu_assign_pointer(nf_ct_l3protos[proto->l3proto], proto);

out_unlock:
    mutex_unlock(&nf_ct_proto_mutex);
    return ret;
}

示例#2

文件： nf_conntrack_proto.c 项目： xiandaicxsj/copyKvm

int nf_conntrack_l3proto_register(struct nf_conntrack_l3proto *proto)
{
	int ret = 0;

	if (proto->l3proto >= AF_MAX) {
		ret = -EBUSY;
		goto out;
	}

	write_lock_bh(&nf_conntrack_lock);
	if (nf_ct_l3protos[proto->l3proto] != &nf_conntrack_l3proto_generic) {
		ret = -EBUSY;
		goto out_unlock;
	}
	nf_ct_l3protos[proto->l3proto] = proto;
	write_unlock_bh(&nf_conntrack_lock);

	ret = nf_ct_l3proto_register_sysctl(proto);
	if (ret < 0)
		nf_conntrack_l3proto_unregister(proto);
	return ret;

out_unlock:
	write_unlock_bh(&nf_conntrack_lock);
out:
	return ret;
}

示例#3

文件： nf_conntrack_proto.c 项目： AeroGirl/VAR-SOM-AM33-SDK7-Kernel

int nf_ct_l3proto_pernet_register(struct net *net,
				  struct nf_conntrack_l3proto *proto)
{
	int ret = 0;

	if (proto->init_net) {
		ret = proto->init_net(net);
		if (ret < 0)
			return ret;
	}

	return nf_ct_l3proto_register_sysctl(net, proto);
}

示例#4

文件： nf_conntrack_proto.c 项目： helicopter3/wl500g

int nf_conntrack_l3proto_register(struct nf_conntrack_l3proto *proto)
{
    int ret = 0;

    if (proto->l3proto >= AF_MAX)
        return -EBUSY;

    mutex_lock(&nf_ct_proto_mutex);
    if (nf_ct_l3protos[proto->l3proto] != &nf_conntrack_l3proto_generic) {
        ret = -EBUSY;
        goto out_unlock;
    }

    ret = nf_ct_l3proto_register_sysctl(proto);
    if (ret < 0)
        goto out_unlock;

    rcu_assign_pointer(nf_ct_l3protos[proto->l3proto], proto);

out_unlock:
    mutex_unlock(&nf_ct_proto_mutex);
    return ret;
}