C++ (Cpp) tipc_bearer_find Examples

Example #1

File: bearer.c Project: Abioy/kasan

int tipc_nl_bearer_disable(struct sk_buff *skb, struct genl_info *info)
{
	int err;
	char *name;
	struct tipc_bearer *bearer;
	struct nlattr *attrs[TIPC_NLA_BEARER_MAX + 1];
	struct net *net = sock_net(skb->sk);

	if (!info->attrs[TIPC_NLA_BEARER])
		return -EINVAL;

	err = nla_parse_nested(attrs, TIPC_NLA_BEARER_MAX,
			       info->attrs[TIPC_NLA_BEARER],
			       tipc_nl_bearer_policy);
	if (err)
		return err;

	if (!attrs[TIPC_NLA_BEARER_NAME])
		return -EINVAL;

	name = nla_data(attrs[TIPC_NLA_BEARER_NAME]);

	rtnl_lock();
	bearer = tipc_bearer_find(net, name);
	if (!bearer) {
		rtnl_unlock();
		return -EINVAL;
	}

	bearer_disable(net, bearer, false);
	rtnl_unlock();

	return 0;
}

Example #2

File: netlink_compat.c Project: RafaelFazzolino/linux

static int tipc_nl_compat_link_set(struct tipc_nl_compat_cmd_doit *cmd,
				   struct sk_buff *skb,
				   struct tipc_nl_compat_msg *msg)
{
	struct tipc_link_config *lc;
	struct tipc_bearer *bearer;
	struct tipc_media *media;
	int len;

	lc = (struct tipc_link_config *)TLV_DATA(msg->req);

	len = TLV_GET_DATA_LEN(msg->req);
	len -= offsetof(struct tipc_link_config, name);
	if (len <= 0)
		return -EINVAL;

	len = min_t(int, len, TIPC_MAX_LINK_NAME);
	if (!string_is_valid(lc->name, len))
		return -EINVAL;

	media = tipc_media_find(lc->name);
	if (media) {
		cmd->doit = &__tipc_nl_media_set;
		return tipc_nl_compat_media_set(skb, msg);
	}

	bearer = tipc_bearer_find(msg->net, lc->name);
	if (bearer) {
		cmd->doit = &__tipc_nl_bearer_set;
		return tipc_nl_compat_bearer_set(skb, msg);
	}

	return __tipc_nl_compat_link_set(skb, msg);
}

Example #3

File: bearer.c Project: Abioy/kasan

int tipc_nl_bearer_get(struct sk_buff *skb, struct genl_info *info)
{
	int err;
	char *name;
	struct sk_buff *rep;
	struct tipc_bearer *bearer;
	struct tipc_nl_msg msg;
	struct nlattr *attrs[TIPC_NLA_BEARER_MAX + 1];
	struct net *net = genl_info_net(info);

	if (!info->attrs[TIPC_NLA_BEARER])
		return -EINVAL;

	err = nla_parse_nested(attrs, TIPC_NLA_BEARER_MAX,
			       info->attrs[TIPC_NLA_BEARER],
			       tipc_nl_bearer_policy);
	if (err)
		return err;

	if (!attrs[TIPC_NLA_BEARER_NAME])
		return -EINVAL;
	name = nla_data(attrs[TIPC_NLA_BEARER_NAME]);

	rep = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
	if (!rep)
		return -ENOMEM;

	msg.skb = rep;
	msg.portid = info->snd_portid;
	msg.seq = info->snd_seq;

	rtnl_lock();
	bearer = tipc_bearer_find(net, name);
	if (!bearer) {
		err = -EINVAL;
		goto err_out;
	}

	err = __tipc_nl_add_bearer(&msg, bearer);
	if (err)
		goto err_out;
	rtnl_unlock();

	return genlmsg_reply(rep, info);
err_out:
	rtnl_unlock();
	nlmsg_free(rep);

	return err;
}

Example #4

File: bearer.c Project: Abioy/kasan

int tipc_nl_bearer_set(struct sk_buff *skb, struct genl_info *info)
{
	int err;
	char *name;
	struct tipc_bearer *b;
	struct nlattr *attrs[TIPC_NLA_BEARER_MAX + 1];
	struct net *net = genl_info_net(info);

	if (!info->attrs[TIPC_NLA_BEARER])
		return -EINVAL;

	err = nla_parse_nested(attrs, TIPC_NLA_BEARER_MAX,
			       info->attrs[TIPC_NLA_BEARER],
			       tipc_nl_bearer_policy);
	if (err)
		return err;

	if (!attrs[TIPC_NLA_BEARER_NAME])
		return -EINVAL;
	name = nla_data(attrs[TIPC_NLA_BEARER_NAME]);

	rtnl_lock();
	b = tipc_bearer_find(net, name);
	if (!b) {
		rtnl_unlock();
		return -EINVAL;
	}

	if (attrs[TIPC_NLA_BEARER_PROP]) {
		struct nlattr *props[TIPC_NLA_PROP_MAX + 1];

		err = tipc_nl_parse_link_prop(attrs[TIPC_NLA_BEARER_PROP],
					      props);
		if (err) {
			rtnl_unlock();
			return err;
		}

		if (props[TIPC_NLA_PROP_TOL])
			b->tolerance = nla_get_u32(props[TIPC_NLA_PROP_TOL]);
		if (props[TIPC_NLA_PROP_PRIO])
			b->priority = nla_get_u32(props[TIPC_NLA_PROP_PRIO]);
		if (props[TIPC_NLA_PROP_WIN])
			b->window = nla_get_u32(props[TIPC_NLA_PROP_WIN]);
	}
	rtnl_unlock();

	return 0;
}

Example #5

File: bearer.c Project: 3null/linux

int tipc_disable_bearer(const char *name)
{
	struct tipc_bearer *b_ptr;
	int res;

	b_ptr = tipc_bearer_find(name);
	if (b_ptr == NULL) {
		pr_warn("Attempt to disable unknown bearer <%s>\n", name);
		res = -EINVAL;
	} else {
		bearer_disable(b_ptr, false);
		res = 0;
	}
	return res;
}

Example #6

File: netlink_compat.c Project: 513855417/linux

static int tipc_nl_compat_link_set(struct tipc_nl_compat_cmd_doit *cmd,
				   struct sk_buff *skb,
				   struct tipc_nl_compat_msg *msg)
{
	struct tipc_link_config *lc;
	struct tipc_bearer *bearer;
	struct tipc_media *media;

	lc = (struct tipc_link_config *)TLV_DATA(msg->req);

	media = tipc_media_find(lc->name);
	if (media) {
		cmd->doit = &tipc_nl_media_set;
		return tipc_nl_compat_media_set(skb, msg);
	}

	bearer = tipc_bearer_find(msg->net, lc->name);
	if (bearer) {
		cmd->doit = &tipc_nl_bearer_set;
		return tipc_nl_compat_bearer_set(skb, msg);
	}

	return __tipc_nl_compat_link_set(skb, msg);
}