1 files changed, 25 insertions, 0 deletions
diff --git a/include/net/esp.h b/include/net/esp.h
new file mode 100644
index 00000000..d5845133
--- /dev/null
+++ b/include/net/esp.h
@@ -0,0 +1,25 @@
+#ifndef _NET_ESP_H
+#define _NET_ESP_H
+
+#include <linux/skbuff.h>
+
+struct crypto_aead;
+
+struct esp_data {
+	/* 0..255 */
+	int padlen;
+
+	/* Confidentiality & Integrity */
+	struct crypto_aead *aead;
+};
+
+extern void *pskb_put(struct sk_buff *skb, struct sk_buff *tail, int len);
+
+struct ip_esp_hdr;
+
+static inline struct ip_esp_hdr *ip_esp_hdr(const struct sk_buff *skb)
+{
+	return (struct ip_esp_hdr *)skb_transport_header(skb);
+}
+
+#endif