Add cast to rta_getattr_str

[lisovros/iproute2_canprio.git] / include / libnetlink.h

diff --git a/include/libnetlink.h b/include/libnetlink.h
index 61da15be2618152714f8ec1781cd438bf382fe57..b85c37787e1906abe99690d76624f2f9dfca13cf 100644 (file)
--- a/include/libnetlink.h
+++ b/include/libnetlink.h
@@ -1,6 +1,7 @@
 #ifndef __LIBNETLINK_H__
 #define __LIBNETLINK_H__ 1
 
+#include <string.h>
 #include <asm/types.h>
 #include <linux/netlink.h>
 #include <linux/rtnetlink.h>
@@ -27,18 +28,29 @@ extern int rtnl_dump_request(struct rtnl_handle *rth, int type, void *req, int l
 
 typedef int (*rtnl_filter_t)(const struct sockaddr_nl *,
                             struct nlmsghdr *n, void *);
+
+struct rtnl_dump_filter_arg
+{
+       rtnl_filter_t filter;
+       void *arg1;
+};
+
+extern int rtnl_dump_filter_l(struct rtnl_handle *rth,
+                             const struct rtnl_dump_filter_arg *arg);
 extern int rtnl_dump_filter(struct rtnl_handle *rth, rtnl_filter_t filter,
-                           void *arg1,
-                           rtnl_filter_t junk,
-                           void *arg2);
+                           void *arg);
 extern int rtnl_talk(struct rtnl_handle *rtnl, struct nlmsghdr *n, pid_t peer,
-                    unsigned groups, struct nlmsghdr *answer,
-                    rtnl_filter_t junk,
-                    void *jarg);
-extern int rtnl_send(struct rtnl_handle *rth, const char *buf, int);
-extern int rtnl_send_check(struct rtnl_handle *rth, const char *buf, int);
+                    unsigned groups, struct nlmsghdr *answer);
+extern int rtnl_send(struct rtnl_handle *rth, const void *buf, int);
+extern int rtnl_send_check(struct rtnl_handle *rth, const void *buf, int);
 
+extern int addattr(struct nlmsghdr *n, int maxlen, int type);
+extern int addattr8(struct nlmsghdr *n, int maxlen, int type, __u8 data);
+extern int addattr16(struct nlmsghdr *n, int maxlen, int type, __u16 data);
 extern int addattr32(struct nlmsghdr *n, int maxlen, int type, __u32 data);
+extern int addattr64(struct nlmsghdr *n, int maxlen, int type, __u64 data);
+extern int addattrstrz(struct nlmsghdr *n, int maxlen, int type, const char *data);
+
 extern int addattr_l(struct nlmsghdr *n, int maxlen, int type, const void *data, int alen);
 extern int addraw_l(struct nlmsghdr *n, int maxlen, const void *data, int len);
 extern struct rtattr *addattr_nest(struct nlmsghdr *n, int maxlen, int type);
@@ -56,8 +68,27 @@ extern int __parse_rtattr_nested_compat(struct rtattr *tb[], int max, struct rta
        (parse_rtattr((tb), (max), RTA_DATA(rta), RTA_PAYLOAD(rta)))
 
 #define parse_rtattr_nested_compat(tb, max, rta, data, len) \
-({     data = RTA_PAYLOAD(rta) >= len ? RTA_DATA(rta) : NULL; \
-       __parse_rtattr_nested_compat(tb, max, rta, len); })
+       ({ data = RTA_PAYLOAD(rta) >= len ? RTA_DATA(rta) : NULL;       \
+               __parse_rtattr_nested_compat(tb, max, rta, len); })
+
+static inline __u16 rta_getattr_u16(const struct rtattr *rta)
+{
+       return *(__u16 *)RTA_DATA(rta);
+}
+static inline __u16 rta_getattr_u32(const struct rtattr *rta)
+{
+       return *(__u32 *)RTA_DATA(rta);
+}
+static inline __u64 rta_getattr_u64(const struct rtattr *rta)
+{
+       __u64 tmp;
+       memcpy(&tmp, RTA_DATA(rta), sizeof(__u64));
+       return tmp;
+}
+static inline const char *rta_getattr_str(const struct rtattr *rta)
+{
+       return (const char *)RTA_DATA(rta);
+}
 
 extern int rtnl_listen(struct rtnl_handle *, rtnl_filter_t handler,
                       void *jarg);