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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /include/net/esp.h
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/net/esp.h')
-rw-r--r--include/net/esp.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/include/net/esp.h b/include/net/esp.h
new file mode 100644
index 000000000..465e38890
--- /dev/null
+++ b/include/net/esp.h
@@ -0,0 +1,35 @@
+/* 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);
+}
+
+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