xfrm6_extract_header 1383 include/net/xfrm.h extern int xfrm6_extract_header(struct sk_buff *skb); xfrm6_extract_header 21 net/ipv6/xfrm6_input.c return xfrm6_extract_header(skb); xfrm6_extract_header 58 net/ipv6/xfrm6_output.c return xfrm6_extract_header(skb);