#include <linux/mutex.h>
-extern size_t rtattr_strlcpy(char *dest, const struct rtattr *rta, size_t size);
static __inline__ int rtattr_strcmp(const struct rtattr *rta, const char *str)
{
int len = strlen(str) + 1;
return len > rta->rta_len || memcmp(RTA_DATA(rta), str, len);
}
-extern int rtattr_parse(struct rtattr *tb[], int maxattr, struct rtattr *rta, int len);
-extern int __rtattr_parse_nested_compat(struct rtattr *tb[], int maxattr,
- struct rtattr *rta, int len);
-
-#define rtattr_parse_nested(tb, max, rta) \
- rtattr_parse((tb), (max), RTA_DATA((rta)), RTA_PAYLOAD((rta)))
-
-#define rtattr_parse_nested_compat(tb, max, rta, data, len) \
-({ data = RTA_PAYLOAD(rta) >= len ? RTA_DATA(rta) : NULL; \
- __rtattr_parse_nested_compat(tb, max, rta, len); })
-
extern int rtnetlink_send(struct sk_buff *skb, struct net *net, u32 pid, u32 group, int echo);
extern int rtnl_unicast(struct sk_buff *skb, struct net *net, u32 pid);
extern int rtnl_notify(struct sk_buff *skb, struct net *net, u32 pid, u32 group,
return mutex_trylock(&rtnl_mutex);
}
-int rtattr_parse(struct rtattr *tb[], int maxattr, struct rtattr *rta, int len)
-{
- memset(tb, 0, sizeof(struct rtattr*)*maxattr);
-
- while (RTA_OK(rta, len)) {
- unsigned flavor = rta->rta_type;
- if (flavor && flavor <= maxattr)
- tb[flavor-1] = rta;
- rta = RTA_NEXT(rta, len);
- }
- return 0;
-}
-
-int __rtattr_parse_nested_compat(struct rtattr *tb[], int maxattr,
- struct rtattr *rta, int len)
-{
- if (RTA_PAYLOAD(rta) < len)
- return -1;
- if (RTA_PAYLOAD(rta) >= RTA_ALIGN(len) + sizeof(struct rtattr)) {
- rta = RTA_DATA(rta) + RTA_ALIGN(len);
- return rtattr_parse_nested(tb, maxattr, rta);
- }
- memset(tb, 0, sizeof(struct rtattr *) * maxattr);
- return 0;
-}
-
static struct rtnl_link *rtnl_msg_handlers[NPROTO];
static inline int rtm_msgindex(int msgtype)
memset(RTA_DATA(rta) + attrlen, 0, RTA_ALIGN(size) - size);
}
-size_t rtattr_strlcpy(char *dest, const struct rtattr *rta, size_t size)
-{
- size_t ret = RTA_PAYLOAD(rta);
- char *src = RTA_DATA(rta);
-
- if (ret > 0 && src[ret - 1] == '\0')
- ret--;
- if (size > 0) {
- size_t len = (ret >= size) ? size - 1 : ret;
- memset(dest, 0, size);
- memcpy(dest, src, len);
- }
- return ret;
-}
-
int rtnetlink_send(struct sk_buff *skb, struct net *net, u32 pid, unsigned group, int echo)
{
struct sock *rtnl = net->rtnl;
}
EXPORT_SYMBOL(__rta_fill);
-EXPORT_SYMBOL(rtattr_strlcpy);
-EXPORT_SYMBOL(rtattr_parse);
-EXPORT_SYMBOL(__rtattr_parse_nested_compat);
EXPORT_SYMBOL(rtnetlink_put_metrics);
EXPORT_SYMBOL(rtnl_lock);
EXPORT_SYMBOL(rtnl_trylock);