xnu-3789.1.32.tar.gz

[apple/xnu.git] / bsd / netinet / icmp6.h

diff --git a/bsd/netinet/icmp6.h b/bsd/netinet/icmp6.h
index 0dc3dda2f3b04912503c619c1d2d0ab8586f70ea..52228f43c8c7bdd21ae014f123a1846b790c81b6 100644 (file)
--- a/bsd/netinet/icmp6.h
+++ b/bsd/netinet/icmp6.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2013 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2015 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -328,6 +328,7 @@ struct nd_opt_hdr {         /* Neighbor discovery option header */
 #define ND_OPT_PREFIX_INFORMATION      3
 #define ND_OPT_REDIRECTED_HEADER       4
 #define ND_OPT_MTU                     5
+#define ND_OPT_NONCE                   14      /* RFC 3971 */
 #define ND_OPT_RDNSS                   25      /* RFC 5006 */
 #define ND_OPT_DNSSL                   31      /* RFC 6106 */
 
@@ -347,6 +348,17 @@ struct nd_opt_prefix_info {        /* prefix information */
 #define ND_OPT_PI_FLAG_ONLINK          0x80
 #define ND_OPT_PI_FLAG_AUTO            0x40
 
+#define        ND_OPT_NONCE_LEN        ((1 * 8) - 2)
+#if ((ND_OPT_NONCE_LEN + 2) % 8) != 0
+#error "(ND_OPT_NONCE_LEN + 2) must be a multiple of 8."
+#endif
+
+struct nd_opt_nonce {          /* nonce option */
+       u_int8_t        nd_opt_nonce_type;
+       u_int8_t        nd_opt_nonce_len;
+       u_int8_t        nd_opt_nonce[ND_OPT_NONCE_LEN];
+} __attribute__((__packed__));
+
 struct nd_opt_rd_hdr {         /* redirected header */
        u_int8_t        nd_opt_rh_type;
        u_int8_t        nd_opt_rh_len;
@@ -642,6 +654,7 @@ struct icmp6stat {
        u_quad_t icp6s_badrs;           /* bad router advertisement */
        u_quad_t icp6s_badra;           /* bad router advertisement */
        u_quad_t icp6s_badredirect;     /* bad redirect message */
+       u_quad_t icp6s_rfc6980_drop;    /* NDP packet dropped based on RFC 6980 */
 };
 
 /*