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esp.h

esp.h 877 B
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  1. /* SPDX-License-Identifier: GPL-2.0 */
    2. 

  2. #ifndef _NET_ESP_H
    3. 

  3. #define _NET_ESP_H
    4. 

  4. 

  5. #include <linux/skbuff.h>
    6. 

  6. 

  7. struct ip_esp_hdr;
    8. 

  8. 

  9. static inline struct ip_esp_hdr *ip_esp_hdr(const struct sk_buff *skb)
    10. 

  10. {
    11. 

  11. 	return (struct ip_esp_hdr *)skb_transport_header(skb);
    12. 

  12. }
    13. 

  13. 

  14. struct esp_info {
    15. 

  15. 	struct	ip_esp_hdr *esph;
    16. 

  16. 	__be64	seqno;
    17. 

  17. 	int	tfclen;
    18. 

  18. 	int	tailen;
    19. 

  19. 	int	plen;
    20. 

  20. 	int	clen;
    21. 

  21. 	int 	len;
    22. 

  22. 	int 	nfrags;
    23. 

  23. 	__u8	proto;
    24. 

  24. 	bool	inplace;
    25. 

  25. };
    26. 

  26. 

  27. int esp_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp);
    28. 

  28. int esp_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp);
    29. 

  29. int esp_input_done2(struct sk_buff *skb, int err);
    30. 

  30. int esp6_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp);
    31. 

  31. int esp6_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp);
    32. 

  32. int esp6_input_done2(struct sk_buff *skb, int err);
    33. 

  33. #endif
    34. 

  34.