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-rw-r--r--sys/compat/linuxkpi/common/include/net/ipv6.h111
1 files changed, 111 insertions, 0 deletions
diff --git a/sys/compat/linuxkpi/common/include/net/ipv6.h b/sys/compat/linuxkpi/common/include/net/ipv6.h
new file mode 100644
index 0000000..1244706
--- /dev/null
+++ b/sys/compat/linuxkpi/common/include/net/ipv6.h
@@ -0,0 +1,111 @@
+/*-
+ * Copyright (c) 2010 Isilon Systems, Inc.
+ * Copyright (c) 2010 iX Systems, Inc.
+ * Copyright (c) 2010 Panasas, Inc.
+ * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice unmodified, this list of conditions, and the following
+ * disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+#ifndef _LINUX_NET_IPV6_H_
+#define _LINUX_NET_IPV6_H_
+
+#include "opt_inet6.h"
+
+#define ipv6_addr_loopback IN6_IS_ADDR_LOOPBACK
+#define ipv6_addr_copy(dst, src) \
+ memcpy((dst), (src), sizeof(struct in6_addr))
+
+#ifdef INET6
+static inline void
+ipv6_ib_mc_map(const struct in6_addr *addr, const unsigned char *broadcast,
+ char *buf)
+{
+ unsigned char scope;
+
+ scope = broadcast[5] & 0xF;
+ buf[0] = 0;
+ buf[1] = 0xff;
+ buf[2] = 0xff;
+ buf[3] = 0xff;
+ buf[4] = 0xff;
+ buf[5] = 0x10 | scope;
+ buf[6] = 0x60;
+ buf[7] = 0x1b;
+ buf[8] = broadcast[8];
+ buf[9] = broadcast[9];
+ memcpy(&buf[10], &addr->s6_addr[6], 10);
+}
+#endif
+
+static inline void __ipv6_addr_set_half(__be32 *addr,
+ __be32 wh, __be32 wl)
+{
+#if BITS_PER_LONG == 64
+#if defined(__BIG_ENDIAN)
+ if (__builtin_constant_p(wh) && __builtin_constant_p(wl)) {
+ *(__force u64 *)addr = ((__force u64)(wh) << 32 | (__force u64)(wl));
+ return;
+ }
+#elif defined(__LITTLE_ENDIAN)
+ if (__builtin_constant_p(wl) && __builtin_constant_p(wh)) {
+ *(__force u64 *)addr = ((__force u64)(wl) << 32 | (__force u64)(wh));
+ return;
+ }
+#endif
+#endif
+ addr[0] = wh;
+ addr[1] = wl;
+}
+
+static inline void ipv6_addr_set(struct in6_addr *addr,
+ __be32 w1, __be32 w2,
+ __be32 w3, __be32 w4)
+{
+ __ipv6_addr_set_half(&addr->s6_addr32[0], w1, w2);
+ __ipv6_addr_set_half(&addr->s6_addr32[2], w3, w4);
+}
+
+static inline void ipv6_addr_set_v4mapped(const __be32 addr,
+ struct in6_addr *v4mapped)
+{
+ ipv6_addr_set(v4mapped,
+ 0, 0,
+ htonl(0x0000FFFF),
+ addr);
+}
+
+static inline int ipv6_addr_v4mapped(const struct in6_addr *a)
+{
+ return ((a->s6_addr32[0] | a->s6_addr32[1] |
+ (a->s6_addr32[2] ^ htonl(0x0000ffff))) == 0);
+}
+
+static inline int ipv6_addr_cmp(const struct in6_addr *a1, const struct in6_addr *a2)
+{
+ return memcmp(a1, a2, sizeof(struct in6_addr));
+}
+
+
+#endif /* _LINUX_NET_IPV6_H_ */
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