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-rw-r--r--include/linux/rtnetlink.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index 612785848532..6731e7f4cc0f 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -570,6 +570,8 @@ static __inline__ int rtattr_strcmp(const struct rtattr *rta, const char *str)
570} 570}
571 571
572extern int rtattr_parse(struct rtattr *tb[], int maxattr, struct rtattr *rta, int len); 572extern int rtattr_parse(struct rtattr *tb[], int maxattr, struct rtattr *rta, int len);
573extern int rtattr_parse_nested_compat(struct rtattr *tb[], int maxattr,
574 struct rtattr *rta, void **data, int len);
573 575
574#define rtattr_parse_nested(tb, max, rta) \ 576#define rtattr_parse_nested(tb, max, rta) \
575 rtattr_parse((tb), (max), RTA_DATA((rta)), RTA_PAYLOAD((rta))) 577 rtattr_parse((tb), (max), RTA_DATA((rta)), RTA_PAYLOAD((rta)))
@@ -638,6 +640,18 @@ extern void __rta_fill(struct sk_buff *skb, int attrtype, int attrlen, const voi
638({ (start)->rta_len = skb_tail_pointer(skb) - (unsigned char *)(start); \ 640({ (start)->rta_len = skb_tail_pointer(skb) - (unsigned char *)(start); \
639 (skb)->len; }) 641 (skb)->len; })
640 642
643#define RTA_NEST_COMPAT(skb, type, attrlen, data) \
644({ struct rtattr *__start = (struct rtattr *)skb_tail_pointer(skb); \
645 RTA_PUT(skb, type, attrlen, data); \
646 RTA_NEST(skb, type); \
647 __start; })
648
649#define RTA_NEST_COMPAT_END(skb, start) \
650({ struct rtattr *__nest = (void *)(start) + NLMSG_ALIGN((start)->rta_len); \
651 (start)->rta_len = skb_tail_pointer(skb) - (unsigned char *)(start); \
652 RTA_NEST_END(skb, __nest); \
653 (skb)->len; })
654
641#define RTA_NEST_CANCEL(skb, start) \ 655#define RTA_NEST_CANCEL(skb, start) \
642({ if (start) \ 656({ if (start) \
643 skb_trim(skb, (unsigned char *) (start) - (skb)->data); \ 657 skb_trim(skb, (unsigned char *) (start) - (skb)->data); \