[qca-nss-sfe] Split sfe_ipv4 and sfe_ipv6 to protocol specific files

Change-Id: Idb9c04dba1ffc91630dc9b2dfeb520e0613580f0
Signed-off-by: Ratheesh Kannoth <quic_rkannoth@quicinc.com>
diff --git a/sfe_ipv6_icmp.h b/sfe_ipv6_icmp.h
new file mode 100644
index 0000000..c1be02c
--- /dev/null
+++ b/sfe_ipv6_icmp.h
@@ -0,0 +1,22 @@
+/*
+ * sfe_ipv6_icmp.h
+ *	Shortcut forwarding engine header file for IPv6 ICMP
+ *
+ * Copyright (c) 2015-2016, 2019-2020, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+int sfe_ipv6_recv_icmp(struct sfe_ipv6 *si, struct sk_buff *skb, struct net_device *dev,
+			      unsigned int len, struct ipv6hdr *iph, unsigned int ihl);