Contributors: 5
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Steffen Klassert |
141 |
50.90% |
3 |
33.33% |
| Raed Salem |
95 |
34.30% |
1 |
11.11% |
| Herbert Xu |
32 |
11.55% |
3 |
33.33% |
| David S. Miller |
8 |
2.89% |
1 |
11.11% |
| Greg Kroah-Hartman |
1 |
0.36% |
1 |
11.11% |
| Total |
277 |
|
9 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _NET_ESP_H
#define _NET_ESP_H
#include <linux/skbuff.h>
#define ESP_SKB_FRAG_MAXSIZE (PAGE_SIZE << SKB_FRAG_PAGE_ORDER)
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);
}
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