| /* SPDX-License-Identifier: GPL-2.0 */ |
| #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 |