ASR_BASE

Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/net/ipv6/xfrm6_state.c b/marvell/linux/net/ipv6/xfrm6_state.c
new file mode 100644
index 0000000..78daade
--- /dev/null
+++ b/marvell/linux/net/ipv6/xfrm6_state.c
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * xfrm6_state.c: based on xfrm4_state.c
+ *
+ * Authors:
+ *	Mitsuru KANDA @USAGI
+ *	Kazunori MIYAZAWA @USAGI
+ *	Kunihiro Ishiguro <kunihiro@ipinfusion.com>
+ *		IPv6 support
+ *	YOSHIFUJI Hideaki @USAGI
+ *		Split up af-specific portion
+ *
+ */
+
+#include <net/xfrm.h>
+#include <linux/pfkeyv2.h>
+#include <linux/ipsec.h>
+#include <linux/netfilter_ipv6.h>
+#include <linux/export.h>
+#include <net/dsfield.h>
+#include <net/ipv6.h>
+#include <net/addrconf.h>
+
+int xfrm6_extract_header(struct sk_buff *skb)
+{
+	struct ipv6hdr *iph = ipv6_hdr(skb);
+
+	XFRM_MODE_SKB_CB(skb)->ihl = sizeof(*iph);
+	XFRM_MODE_SKB_CB(skb)->id = 0;
+	XFRM_MODE_SKB_CB(skb)->frag_off = htons(IP_DF);
+	XFRM_MODE_SKB_CB(skb)->tos = ipv6_get_dsfield(iph);
+	XFRM_MODE_SKB_CB(skb)->ttl = iph->hop_limit;
+	XFRM_MODE_SKB_CB(skb)->optlen = 0;
+	memcpy(XFRM_MODE_SKB_CB(skb)->flow_lbl, iph->flow_lbl,
+	       sizeof(XFRM_MODE_SKB_CB(skb)->flow_lbl));
+
+	return 0;
+}
+
+static struct xfrm_state_afinfo xfrm6_state_afinfo = {
+	.family			= AF_INET6,
+	.proto			= IPPROTO_IPV6,
+	.output			= xfrm6_output,
+	.output_finish		= xfrm6_output_finish,
+	.extract_input		= xfrm6_extract_input,
+	.extract_output		= xfrm6_extract_output,
+	.transport_finish	= xfrm6_transport_finish,
+	.local_error		= xfrm6_local_error,
+};
+
+int __init xfrm6_state_init(void)
+{
+	return xfrm_state_register_afinfo(&xfrm6_state_afinfo);
+}
+
+void xfrm6_state_fini(void)
+{
+	xfrm_state_unregister_afinfo(&xfrm6_state_afinfo);
+}