Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

[linux-2.6-microblaze.git] / include / net / esp.h

diff --git a/include/net/esp.h b/include/net/esp.h
index 117652e..9c5637d 100644 (file)
--- a/include/net/esp.h
+++ b/include/net/esp.h
@@ -11,6 +11,22 @@ static inline struct ip_esp_hdr *ip_esp_hdr(const struct sk_buff *skb)
        return (struct ip_esp_hdr *)skb_transport_header(skb);
 }
 
+static inline void esp_output_fill_trailer(u8 *tail, int tfclen, int plen, __u8 proto)
+{
+       /* Fill padding... */
+       if (tfclen) {
+               memset(tail, 0, tfclen);
+               tail += tfclen;
+       }
+       do {
+               int i;
+               for (i = 0; i < plen - 2; i++)
+                       tail[i] = i + 1;
+       } while (0);
+       tail[plen - 2] = plen - 2;
+       tail[plen - 1] = proto;
+}
+
 struct esp_info {
        struct  ip_esp_hdr *esph;
        __be64  seqno;