#include_next <net/netlink.h>
#ifndef HAVE_NLA_NUL_STRING
-#define NLA_NUL_STRING NLA_STRING
-
-static inline int VERIFY_NUL_STRING(struct nlattr *attr)
+static inline int VERIFY_NUL_STRING(struct nlattr *attr, int maxlen)
{
- return (!attr || (nla_len(attr)
- && memchr(nla_data(attr), '\0', nla_len(attr)))
- ? 0 : -EINVAL);
+ char *s;
+ int len;
+ if (!attr)
+ return 0;
+
+ len = nla_len(attr);
+ if (len >= maxlen)
+ return -EINVAL;
+
+ s = nla_data(attr);
+ if (s[len - 1] != '\0')
+ return -EINVAL;
+
+ return 0;
}
#else
-static inline int VERIFY_NUL_STRING(struct nlattr *attr)
+static inline int VERIFY_NUL_STRING(struct nlattr *attr, int maxlen)
{
return 0;
}
NLA_PUT_TYPE(skb, __be16, attrtype, value)
#endif /* !NLA_PUT_BE16 */
+#ifndef NLA_PUT_BE32
+#define NLA_PUT_BE32(skb, attrtype, value) \
+ NLA_PUT_TYPE(skb, __be32, attrtype, value)
+#endif /* !NLA_PUT_BE32 */
+
+#ifndef NLA_PUT_BE64
+#define NLA_PUT_BE64(skb, attrtype, value) \
+ NLA_PUT_TYPE(skb, __be64, attrtype, value)
+#endif /* !NLA_PUT_BE64 */
+
#ifndef HAVE_NLA_GET_BE16
/**
* nla_get_be16 - return payload of __be16 attribute
}
#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29)
+#define nla_parse_nested(tb, maxtype, nla, policy) \
+ nla_parse_nested(tb, maxtype, (struct nlattr *)(nla), policy)
+#endif
+
+#ifndef nla_for_each_nested
+#define nla_for_each_nested(pos, nla, rem) \
+ nla_for_each_attr(pos, nla_data(nla), nla_len(nla), rem)
+#endif
+
+#ifndef HAVE_NLA_FIND_NESTED
+static inline struct nlattr *nla_find_nested(struct nlattr *nla, int attrtype)
+{
+ return nla_find(nla_data(nla), nla_len(nla), attrtype);
+}
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
+/**
+ * nlmsg_report - need to report back to application?
+ * @nlh: netlink message header
+ *
+ * Returns 1 if a report back to the application is requested.
+ */
+static inline int nlmsg_report(const struct nlmsghdr *nlh)
+{
+ return !!(nlh->nlmsg_flags & NLM_F_ECHO);
+}
+
+extern int nlmsg_notify(struct sock *sk, struct sk_buff *skb,
+ u32 pid, unsigned int group, int report,
+ gfp_t flags);
+#endif /* linux kernel < 2.6.19 */
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
+/* Before 2.6.19 the 'flags' parameter was missing, so replace it. We have to
+ * #include <net/genetlink.h> first because the 2.6.18 version of that header
+ * has an inline call to nlmsg_multicast() without, of course, any 'flags'
+ * argument. */
+#define nlmsg_multicast rpl_nlmsg_multicast
+static inline int nlmsg_multicast(struct sock *sk, struct sk_buff *skb,
+ u32 pid, unsigned int group, gfp_t flags)
+{
+ int err;
+
+ NETLINK_CB(skb).dst_group = group;
+
+ err = netlink_broadcast(sk, skb, pid, group, flags);
+ if (err > 0)
+ err = 0;
+
+ return err;
+}
+#endif /* linux kernel < 2.6.19 */
+
#endif /* net/netlink.h */