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Code Issues Releases Wiki Activity

treewide: rename nla_strlcpy to nla_strscpy. 

Calls to nla_strlcpy are now replaced by calls to nla_strscpy which is the new
name of this function.

Signed-off-by: Francis Laniel <laniel_francis@privacyrequired.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Francis Laniel 2020-11-15 18:08:06 +01:00 committed by Jakub Kicinski
parent 9ca718743a
commit 872f690341
29 changed files with 49 additions and 49 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/infiniband/core/nldev.c
View File

@ -932,7 +932,7 @@ static int nldev_set_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
if (tb[RDMA_NLDEV_ATTR_DEV_NAME]) {
char name[IB_DEVICE_NAME_MAX] = {};
nla_strlcpy(name, tb[RDMA_NLDEV_ATTR_DEV_NAME],
nla_strscpy(name, tb[RDMA_NLDEV_ATTR_DEV_NAME],
IB_DEVICE_NAME_MAX);
if (strlen(name) == 0) {
err = -EINVAL;
@ -1529,13 +1529,13 @@ static int nldev_newlink(struct sk_buff *skb, struct nlmsghdr *nlh,
!tb[RDMA_NLDEV_ATTR_LINK_TYPE] || !tb[RDMA_NLDEV_ATTR_NDEV_NAME])
return -EINVAL;
nla_strlcpy(ibdev_name, tb[RDMA_NLDEV_ATTR_DEV_NAME],
nla_strscpy(ibdev_name, tb[RDMA_NLDEV_ATTR_DEV_NAME],
sizeof(ibdev_name));
if (strchr(ibdev_name, '%') || strlen(ibdev_name) == 0)
return -EINVAL;
nla_strlcpy(type, tb[RDMA_NLDEV_ATTR_LINK_TYPE], sizeof(type));
nla_strlcpy(ndev_name, tb[RDMA_NLDEV_ATTR_NDEV_NAME],
nla_strscpy(type, tb[RDMA_NLDEV_ATTR_LINK_TYPE], sizeof(type));
nla_strscpy(ndev_name, tb[RDMA_NLDEV_ATTR_NDEV_NAME],
sizeof(ndev_name));
ndev = dev_get_by_name(sock_net(skb->sk), ndev_name);
@ -1602,7 +1602,7 @@ static int nldev_get_chardev(struct sk_buff *skb, struct nlmsghdr *nlh,
if (err || !tb[RDMA_NLDEV_ATTR_CHARDEV_TYPE])
return -EINVAL;
nla_strlcpy(client_name, tb[RDMA_NLDEV_ATTR_CHARDEV_TYPE],
nla_strscpy(client_name, tb[RDMA_NLDEV_ATTR_CHARDEV_TYPE],
sizeof(client_name));
if (tb[RDMA_NLDEV_ATTR_DEV_INDEX]) {

4
drivers/net/can/vxcan.c
View File

@ -186,7 +186,7 @@ static int vxcan_newlink(struct net *net, struct net_device *dev,
}
if (ifmp && tbp[IFLA_IFNAME]) {
nla_strlcpy(ifname, tbp[IFLA_IFNAME], IFNAMSIZ);
nla_strscpy(ifname, tbp[IFLA_IFNAME], IFNAMSIZ);
name_assign_type = NET_NAME_USER;
} else {
snprintf(ifname, IFNAMSIZ, DRV_NAME "%%d");
@ -223,7 +223,7 @@ static int vxcan_newlink(struct net *net, struct net_device *dev,
/* register first device */
if (tb[IFLA_IFNAME])
nla_strlcpy(dev->name, tb[IFLA_IFNAME], IFNAMSIZ);
nla_strscpy(dev->name, tb[IFLA_IFNAME], IFNAMSIZ);
else
snprintf(dev->name, IFNAMSIZ, DRV_NAME "%%d");

4
drivers/net/veth.c
View File

@ -1329,7 +1329,7 @@ static int veth_newlink(struct net *src_net, struct net_device *dev,
}
if (ifmp && tbp[IFLA_IFNAME]) {
nla_strlcpy(ifname, tbp[IFLA_IFNAME], IFNAMSIZ);
nla_strscpy(ifname, tbp[IFLA_IFNAME], IFNAMSIZ);
name_assign_type = NET_NAME_USER;
} else {
snprintf(ifname, IFNAMSIZ, DRV_NAME "%%d");
@ -1379,7 +1379,7 @@ static int veth_newlink(struct net *src_net, struct net_device *dev,
eth_hw_addr_random(dev);
if (tb[IFLA_IFNAME])
nla_strlcpy(dev->name, tb[IFLA_IFNAME], IFNAMSIZ);
nla_strscpy(dev->name, tb[IFLA_IFNAME], IFNAMSIZ);
else
snprintf(dev->name, IFNAMSIZ, DRV_NAME "%%d");

2
include/linux/genl_magic_struct.h
View File

@ -89,7 +89,7 @@ static inline int nla_put_u64_0pad(struct sk_buff *skb, int attrtype, u64 value)
nla_get_u64, nla_put_u64_0pad, false)
#define __str_field(attr_nr, attr_flag, name, maxlen) \
__array(attr_nr, attr_flag, name, NLA_NUL_STRING, char, maxlen, \
nla_strlcpy, nla_put, false)
nla_strscpy, nla_put, false)
#define __bin_field(attr_nr, attr_flag, name, maxlen) \
__array(attr_nr, attr_flag, name, NLA_BINARY, char, maxlen, \
nla_memcpy, nla_put, false)

4
include/net/netlink.h
View File

@ -142,7 +142,7 @@
* Attribute Misc:
* nla_memcpy(dest, nla, count) copy attribute into memory
* nla_memcmp(nla, data, size) compare attribute with memory area
* nla_strlcpy(dst, nla, size) copy attribute to a sized string
* nla_strscpy(dst, nla, size) copy attribute to a sized string
* nla_strcmp(nla, str) compare attribute with string
*
* Attribute Parsing:
@ -506,7 +506,7 @@ int __nla_parse(struct nlattr **tb, int maxtype, const struct nlattr *head,
struct netlink_ext_ack *extack);
int nla_policy_len(const struct nla_policy *, int);
struct nlattr *nla_find(const struct nlattr *head, int len, int attrtype);
ssize_t nla_strlcpy(char *dst, const struct nlattr *nla, size_t dstsize);
ssize_t nla_strscpy(char *dst, const struct nlattr *nla, size_t dstsize);
char *nla_strdup(const struct nlattr *nla, gfp_t flags);
int nla_memcpy(void *dest, const struct nlattr *src, int count);
int nla_memcmp(const struct nlattr *nla, const void *data, size_t size);

2
include/net/pkt_cls.h
View File

@ -512,7 +512,7 @@ tcf_change_indev(struct net *net, struct nlattr *indev_tlv,
char indev[IFNAMSIZ];
struct net_device *dev;
if (nla_strlcpy(indev, indev_tlv, IFNAMSIZ) < 0) {
if (nla_strscpy(indev, indev_tlv, IFNAMSIZ) < 0) {
NL_SET_ERR_MSG_ATTR(extack, indev_tlv,
"Interface name too long");
return -EINVAL;

2
kernel/taskstats.c
View File

@ -346,7 +346,7 @@ static int parse(struct nlattr *na, struct cpumask *mask)
data = kmalloc(len, GFP_KERNEL);
if (!data)
return -ENOMEM;
nla_strlcpy(data, na, len);
nla_strscpy(data, na, len);
ret = cpulist_parse(data, mask);
kfree(data);
return ret;

6
lib/nlattr.c
View File

@ -709,7 +709,7 @@ struct nlattr *nla_find(const struct nlattr *head, int len, int attrtype)
EXPORT_SYMBOL(nla_find);
/**
* nla_strlcpy - Copy string attribute payload into a sized buffer
* nla_strscpy - Copy string attribute payload into a sized buffer
* @dst: Where to copy the string to.
* @nla: Attribute to copy the string from.
* @dstsize: Size of destination buffer.
@ -722,7 +722,7 @@ EXPORT_SYMBOL(nla_find);
* * -E2BIG - If @dstsize is 0 or greater than U16_MAX or @nla length greater
* than @dstsize.
*/
ssize_t nla_strlcpy(char *dst, const struct nlattr *nla, size_t dstsize)
ssize_t nla_strscpy(char *dst, const struct nlattr *nla, size_t dstsize)
{
size_t srclen = nla_len(nla);
char *src = nla_data(nla);
@ -749,7 +749,7 @@ ssize_t nla_strlcpy(char *dst, const struct nlattr *nla, size_t dstsize)
return ret;
}
EXPORT_SYMBOL(nla_strlcpy);
EXPORT_SYMBOL(nla_strscpy);
/**
* nla_strdup - Copy string attribute payload into a newly allocated buffer

4
net/core/fib_rules.c
View File

@ -563,7 +563,7 @@ static int fib_nl2rule(struct sk_buff *skb, struct nlmsghdr *nlh,
struct net_device *dev;
nlrule->iifindex = -1;
nla_strlcpy(nlrule->iifname, tb[FRA_IIFNAME], IFNAMSIZ);
nla_strscpy(nlrule->iifname, tb[FRA_IIFNAME], IFNAMSIZ);
dev = __dev_get_by_name(net, nlrule->iifname);
if (dev)
nlrule->iifindex = dev->ifindex;
@ -573,7 +573,7 @@ static int fib_nl2rule(struct sk_buff *skb, struct nlmsghdr *nlh,
struct net_device *dev;
nlrule->oifindex = -1;
nla_strlcpy(nlrule->oifname, tb[FRA_OIFNAME], IFNAMSIZ);
nla_strscpy(nlrule->oifname, tb[FRA_OIFNAME], IFNAMSIZ);
dev = __dev_get_by_name(net, nlrule->oifname);
if (dev)
nlrule->oifindex = dev->ifindex;

12
net/core/rtnetlink.c
View File

@ -1939,7 +1939,7 @@ static const struct rtnl_link_ops *linkinfo_to_kind_ops(const struct nlattr *nla
if (linfo[IFLA_INFO_KIND]) {
char kind[MODULE_NAME_LEN];
nla_strlcpy(kind, linfo[IFLA_INFO_KIND], sizeof(kind));
nla_strscpy(kind, linfo[IFLA_INFO_KIND], sizeof(kind));
ops = rtnl_link_ops_get(kind);
}
@ -2953,9 +2953,9 @@ static struct net_device *rtnl_dev_get(struct net *net,
if (!ifname) {
ifname = buffer;
if (ifname_attr)
nla_strlcpy(ifname, ifname_attr, IFNAMSIZ);
nla_strscpy(ifname, ifname_attr, IFNAMSIZ);
else if (altifname_attr)
nla_strlcpy(ifname, altifname_attr, ALTIFNAMSIZ);
nla_strscpy(ifname, altifname_attr, ALTIFNAMSIZ);
else
return NULL;
}
@ -2983,7 +2983,7 @@ static int rtnl_setlink(struct sk_buff *skb, struct nlmsghdr *nlh,
goto errout;
if (tb[IFLA_IFNAME])
nla_strlcpy(ifname, tb[IFLA_IFNAME], IFNAMSIZ);
nla_strscpy(ifname, tb[IFLA_IFNAME], IFNAMSIZ);
else
ifname[0] = '\0';
@ -3264,7 +3264,7 @@ replay:
return err;
if (tb[IFLA_IFNAME])
nla_strlcpy(ifname, tb[IFLA_IFNAME], IFNAMSIZ);
nla_strscpy(ifname, tb[IFLA_IFNAME], IFNAMSIZ);
else
ifname[0] = '\0';
@ -3296,7 +3296,7 @@ replay:
memset(linkinfo, 0, sizeof(linkinfo));
if (linkinfo[IFLA_INFO_KIND]) {
nla_strlcpy(kind, linkinfo[IFLA_INFO_KIND], sizeof(kind));
nla_strscpy(kind, linkinfo[IFLA_INFO_KIND], sizeof(kind));
ops = rtnl_link_ops_get(kind);
} else {
kind[0] = '\0';

2
net/decnet/dn_dev.c
View File

@ -658,7 +658,7 @@ static int dn_nl_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh,
ifa->ifa_dev = dn_db;
if (tb[IFA_LABEL])
nla_strlcpy(ifa->ifa_label, tb[IFA_LABEL], IFNAMSIZ);
nla_strscpy(ifa->ifa_label, tb[IFA_LABEL], IFNAMSIZ);
else
memcpy(ifa->ifa_label, dev->name, IFNAMSIZ);

2
net/ieee802154/nl-mac.c
View File

@ -149,7 +149,7 @@ static struct net_device *ieee802154_nl_get_dev(struct genl_info *info)
if (info->attrs[IEEE802154_ATTR_DEV_NAME]) {
char name[IFNAMSIZ + 1];
nla_strlcpy(name, info->attrs[IEEE802154_ATTR_DEV_NAME],
nla_strscpy(name, info->attrs[IEEE802154_ATTR_DEV_NAME],
sizeof(name));
dev = dev_get_by_name(&init_net, name);
} else if (info->attrs[IEEE802154_ATTR_DEV_INDEX]) {

2
net/ipv4/devinet.c
View File

@ -880,7 +880,7 @@ static struct in_ifaddr *rtm_to_ifaddr(struct net *net, struct nlmsghdr *nlh,
ifa->ifa_broadcast = nla_get_in_addr(tb[IFA_BROADCAST]);
if (tb[IFA_LABEL])
nla_strlcpy(ifa->ifa_label, tb[IFA_LABEL], IFNAMSIZ);
nla_strscpy(ifa->ifa_label, tb[IFA_LABEL], IFNAMSIZ);
else
memcpy(ifa->ifa_label, dev->name, IFNAMSIZ);

2
net/ipv4/fib_semantics.c
View File

@ -973,7 +973,7 @@ bool fib_metrics_match(struct fib_config *cfg, struct fib_info *fi)
char tmp[TCP_CA_NAME_MAX];
bool ecn_ca = false;
nla_strlcpy(tmp, nla, sizeof(tmp));
nla_strscpy(tmp, nla, sizeof(tmp));
val = tcp_ca_get_key_by_name(fi->fib_net, tmp, &ecn_ca);
} else {
if (nla_len(nla) != sizeof(u32))

2
net/ipv4/metrics.c
View File

@ -31,7 +31,7 @@ static int ip_metrics_convert(struct net *net, struct nlattr *fc_mx,
if (type == RTAX_CC_ALGO) {
char tmp[TCP_CA_NAME_MAX];
nla_strlcpy(tmp, nla, sizeof(tmp));
nla_strscpy(tmp, nla, sizeof(tmp));
val = tcp_ca_get_key_by_name(net, tmp, &ecn_ca);
if (val == TCP_CA_UNSPEC) {
NL_SET_ERR_MSG(extack, "Unknown tcp congestion algorithm");

4
net/netfilter/ipset/ip_set_hash_netiface.c
View File

@ -226,7 +226,7 @@ hash_netiface4_uadt(struct ip_set *set, struct nlattr *tb[],
if (e.cidr > HOST_MASK)
return -IPSET_ERR_INVALID_CIDR;
}
nla_strlcpy(e.iface, tb[IPSET_ATTR_IFACE], IFNAMSIZ);
nla_strscpy(e.iface, tb[IPSET_ATTR_IFACE], IFNAMSIZ);
if (tb[IPSET_ATTR_CADT_FLAGS]) {
u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
@ -443,7 +443,7 @@ hash_netiface6_uadt(struct ip_set *set, struct nlattr *tb[],
ip6_netmask(&e.ip, e.cidr);
nla_strlcpy(e.iface, tb[IPSET_ATTR_IFACE], IFNAMSIZ);
nla_strscpy(e.iface, tb[IPSET_ATTR_IFACE], IFNAMSIZ);
if (tb[IPSET_ATTR_CADT_FLAGS]) {
u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);

6
net/netfilter/nf_tables_api.c
View File

@ -1282,7 +1282,7 @@ static struct nft_chain *nft_chain_lookup(struct net *net,
if (nla == NULL)
return ERR_PTR(-EINVAL);
nla_strlcpy(search, nla, sizeof(search));
nla_strscpy(search, nla, sizeof(search));
WARN_ON(!rcu_read_lock_held() &&
!lockdep_commit_lock_is_held(net));
@ -1722,7 +1722,7 @@ static struct nft_hook *nft_netdev_hook_alloc(struct net *net,
goto err_hook_alloc;
}
nla_strlcpy(ifname, attr, IFNAMSIZ);
nla_strscpy(ifname, attr, IFNAMSIZ);
dev = __dev_get_by_name(net, ifname);
if (!dev) {
err = -ENOENT;
@ -5735,7 +5735,7 @@ struct nft_object *nft_obj_lookup(const struct net *net,
struct rhlist_head *tmp, *list;
struct nft_object *obj;
nla_strlcpy(search, nla, sizeof(search));
nla_strscpy(search, nla, sizeof(search));
k.name = search;
WARN_ON_ONCE(!rcu_read_lock_held() &&

2
net/netfilter/nfnetlink_acct.c
View File

@ -112,7 +112,7 @@ static int nfnl_acct_new(struct net *net, struct sock *nfnl,
nfacct->flags = flags;
}
nla_strlcpy(nfacct->name, tb[NFACCT_NAME], NFACCT_NAME_MAX);
nla_strscpy(nfacct->name, tb[NFACCT_NAME], NFACCT_NAME_MAX);
if (tb[NFACCT_BYTES]) {
atomic64_set(&nfacct->bytes,

4
net/netfilter/nfnetlink_cthelper.c
View File

@ -146,7 +146,7 @@ nfnl_cthelper_expect_policy(struct nf_conntrack_expect_policy *expect_policy,
!tb[NFCTH_POLICY_EXPECT_TIMEOUT])
return -EINVAL;
nla_strlcpy(expect_policy->name,
nla_strscpy(expect_policy->name,
tb[NFCTH_POLICY_NAME], NF_CT_HELPER_NAME_LEN);
expect_policy->max_expected =
ntohl(nla_get_be32(tb[NFCTH_POLICY_EXPECT_MAX]));
@ -233,7 +233,7 @@ nfnl_cthelper_create(const struct nlattr * const tb[],
if (ret < 0)
goto err1;
nla_strlcpy(helper->name,
nla_strscpy(helper->name,
tb[NFCTH_NAME], NF_CT_HELPER_NAME_LEN);
size = ntohl(nla_get_be32(tb[NFCTH_PRIV_DATA_LEN]));
if (size > sizeof_field(struct nf_conn_help, data)) {

2
net/netfilter/nft_ct.c
View File

@ -990,7 +990,7 @@ static int nft_ct_helper_obj_init(const struct nft_ctx *ctx,
if (!priv->l4proto)
return -ENOENT;
nla_strlcpy(name, tb[NFTA_CT_HELPER_NAME], sizeof(name));
nla_strscpy(name, tb[NFTA_CT_HELPER_NAME], sizeof(name));
if (tb[NFTA_CT_HELPER_L3PROTO])
family = ntohs(nla_get_be16(tb[NFTA_CT_HELPER_L3PROTO]));

2
net/netfilter/nft_log.c
View File

@ -152,7 +152,7 @@ static int nft_log_init(const struct nft_ctx *ctx,
priv->prefix = kmalloc(nla_len(nla) + 1, GFP_KERNEL);
if (priv->prefix == NULL)
return -ENOMEM;
nla_strlcpy(priv->prefix, nla, nla_len(nla) + 1);
nla_strscpy(priv->prefix, nla, nla_len(nla) + 1);
} else {
priv->prefix = (char *)nft_log_null_prefix;
}

2
net/netlabel/netlabel_mgmt.c
View File

@ -95,7 +95,7 @@ static int netlbl_mgmt_add_common(struct genl_info *info,
ret_val = -ENOMEM;
goto add_free_entry;
}
nla_strlcpy(entry->domain,
nla_strscpy(entry->domain,
info->attrs[NLBL_MGMT_A_DOMAIN], tmp_size);
}

2
net/nfc/netlink.c
View File

@ -1226,7 +1226,7 @@ static int nfc_genl_fw_download(struct sk_buff *skb, struct genl_info *info)
if (!dev)
return -ENODEV;
nla_strlcpy(firmware_name, info->attrs[NFC_ATTR_FIRMWARE_NAME],
nla_strscpy(firmware_name, info->attrs[NFC_ATTR_FIRMWARE_NAME],
sizeof(firmware_name));
rc = nfc_fw_download(dev, firmware_name);

2
net/sched/act_api.c
View File

@ -939,7 +939,7 @@ struct tc_action *tcf_action_init_1(struct net *net, struct tcf_proto *tp,
NL_SET_ERR_MSG(extack, "TC action kind must be specified");
goto err_out;
}
if (nla_strlcpy(act_name, kind, IFNAMSIZ) < 0) {
if (nla_strscpy(act_name, kind, IFNAMSIZ) < 0) {
NL_SET_ERR_MSG(extack, "TC action name too long");
goto err_out;
}

2
net/sched/act_ipt.c
View File

@ -166,7 +166,7 @@ static int __tcf_ipt_init(struct net *net, unsigned int id, struct nlattr *nla,
if (unlikely(!tname))
goto err1;
if (tb[TCA_IPT_TABLE] == NULL ||
nla_strlcpy(tname, tb[TCA_IPT_TABLE], IFNAMSIZ) >= IFNAMSIZ)
nla_strscpy(tname, tb[TCA_IPT_TABLE], IFNAMSIZ) >= IFNAMSIZ)
strcpy(tname, "mangle");
t = kmemdup(td, td->u.target_size, GFP_KERNEL);

4
net/sched/act_simple.c
View File

@ -52,7 +52,7 @@ static int alloc_defdata(struct tcf_defact *d, const struct nlattr *defdata)
d->tcfd_defdata = kzalloc(SIMP_MAX_DATA, GFP_KERNEL);
if (unlikely(!d->tcfd_defdata))
return -ENOMEM;
nla_strlcpy(d->tcfd_defdata, defdata, SIMP_MAX_DATA);
nla_strscpy(d->tcfd_defdata, defdata, SIMP_MAX_DATA);
return 0;
}
@ -71,7 +71,7 @@ static int reset_policy(struct tc_action *a, const struct nlattr *defdata,
spin_lock_bh(&d->tcf_lock);
goto_ch = tcf_action_set_ctrlact(a, p->action, goto_ch);
memset(d->tcfd_defdata, 0, SIMP_MAX_DATA);
nla_strlcpy(d->tcfd_defdata, defdata, SIMP_MAX_DATA);
nla_strscpy(d->tcfd_defdata, defdata, SIMP_MAX_DATA);
spin_unlock_bh(&d->tcf_lock);
if (goto_ch)
tcf_chain_put_by_act(goto_ch);

2
net/sched/cls_api.c
View File

@ -223,7 +223,7 @@ static inline u32 tcf_auto_prio(struct tcf_proto *tp)
static bool tcf_proto_check_kind(struct nlattr *kind, char *name)
{
if (kind)
return nla_strlcpy(name, kind, IFNAMSIZ) < 0;
return nla_strscpy(name, kind, IFNAMSIZ) < 0;
memset(name, 0, IFNAMSIZ);
return false;
}

2
net/sched/sch_api.c
View File

@ -1170,7 +1170,7 @@ static struct Qdisc *qdisc_create(struct net_device *dev,
#ifdef CONFIG_MODULES
if (ops == NULL && kind != NULL) {
char name[IFNAMSIZ];
if (nla_strlcpy(name, kind, IFNAMSIZ) >= 0) {
if (nla_strscpy(name, kind, IFNAMSIZ) >= 0) {
/* We dropped the RTNL semaphore in order to
* perform the module load. So, even if we
* succeeded in loading the module we have to

2
net/tipc/netlink_compat.c
View File

@ -696,7 +696,7 @@ static int tipc_nl_compat_link_dump(struct tipc_nl_compat_msg *msg,
link_info.dest = nla_get_flag(link[TIPC_NLA_LINK_DEST]);
link_info.up = htonl(nla_get_flag(link[TIPC_NLA_LINK_UP]));
nla_strlcpy(link_info.str, link[TIPC_NLA_LINK_NAME],
nla_strscpy(link_info.str, link[TIPC_NLA_LINK_NAME],
TIPC_MAX_LINK_NAME);
return tipc_add_tlv(msg->rep, TIPC_TLV_LINK_INFO,