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- #ifndef _NET_ESP_H
- #define _NET_ESP_H
- #include <linux/skbuff.h>
- 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);
- }
- struct esp_info {
- struct ip_esp_hdr *esph;
- __be64 seqno;
- int tfclen;
- int tailen;
- int plen;
- int clen;
- int len;
- int nfrags;
- __u8 proto;
- bool inplace;
- };
- int esp_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp);
- int esp_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp);
- int esp_input_done2(struct sk_buff *skb, int err);
- int esp6_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp);
- int esp6_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp);
- int esp6_input_done2(struct sk_buff *skb, int err);
- #endif
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