| 1 | #ifndef _NET_ESP_H
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| 2 | #define _NET_ESP_H
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| 3 |
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| 4 | #include <linux/skbuff.h>
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| 5 |
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| 6 | struct ip_esp_hdr;
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| 7 |
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| 8 | static inline struct ip_esp_hdr *ip_esp_hdr(const struct sk_buff *skb)
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| 9 | {
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| 10 | return (struct ip_esp_hdr *)skb_transport_header(skb);
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| 11 | }
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| 12 |
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| 13 | struct esp_info {
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| 14 | struct ip_esp_hdr *esph;
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| 15 | __be64 seqno;
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| 16 | int tfclen;
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| 17 | int tailen;
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| 18 | int plen;
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| 19 | int clen;
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| 20 | int len;
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| 21 | int nfrags;
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| 22 | __u8 proto;
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| 23 | bool inplace;
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| 24 | };
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| 25 |
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| 26 | int esp_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp);
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| 27 | int esp_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp);
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| 28 | int esp_input_done2(struct sk_buff *skb, int err);
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| 29 | int esp6_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp);
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| 30 | int esp6_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp);
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| 31 | int esp6_input_done2(struct sk_buff *skb, int err);
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| 32 | #endif
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