Contributors: 7
	  
        
          | Author | 
          Tokens | 
          Token Proportion | 
          Commits | 
          Commit Proportion | 
        
	  
	  
        
        
          | Steffen Klassert | 
          120 | 
          43.48% | 
          4 | 
          25.00% | 
        
        
          | Raed Salem | 
          95 | 
          34.42% | 
          1 | 
          6.25% | 
        
        
          | Herbert Xu | 
          21 | 
          7.61% | 
          4 | 
          25.00% | 
        
        
          | Arnaldo Carvalho de Melo | 
          19 | 
          6.88% | 
          4 | 
          25.00% | 
        
        
          | Alexey Kuznetsov | 
          12 | 
          4.35% | 
          1 | 
          6.25% | 
        
        
          | David S. Miller | 
          8 | 
          2.90% | 
          1 | 
          6.25% | 
        
        
          | Greg Kroah-Hartman | 
          1 | 
          0.36% | 
          1 | 
          6.25% | 
        
	  
	  
        
          | Total | 
          276 | 
           | 
          16 | 
           | 
	    
	  
    
 
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _NET_ESP_H
#define _NET_ESP_H
#include <linux/skbuff.h>
struct ip_esp_hdr;
struct xfrm_state;
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;
	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