xnu-3247.1.106.tar.gz

[apple/xnu.git] / bsd / net / if_utun.h

diff --git a/bsd/net/if_utun.h b/bsd/net/if_utun.h
index 32379a8824f870a8d5360e8024f19e2388108ed7..2ffd72ee195719af7b3869d8c9676a2ff91e85a7 100644 (file)
--- a/bsd/net/if_utun.h
+++ b/bsd/net/if_utun.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2011 Apple Inc. All rights reserved.
+ * Copyright (c) 2008-2013 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -30,7 +30,9 @@
 #ifndef        _NET_IF_UTUN_H_
 #define        _NET_IF_UTUN_H_
 
+#ifdef PRIVATE
 #include <net/if_utun_crypto.h>
+#endif /* PRIVATE */
 
 #ifdef KERNEL_PRIVATE
 
@@ -43,6 +45,7 @@ struct utun_pcb {
        u_int32_t               utun_unit;
        u_int32_t               utun_flags;
        int                             utun_ext_ifdata_stats;
+       u_int32_t               utun_max_pending_packets;
        utun_crypto_ctx_t utun_crypto_ctx[UTUN_CRYPTO_CTX_NUM_DIRS];
 };
 
@@ -65,6 +68,8 @@ errno_t utun_register_control(void);
 #define UTUN_OPT_EXT_IFDATA_STATS                              3       /* get|set (type int) */
 #define UTUN_OPT_INC_IFDATA_STATS_IN                   4       /* set to increment stat counters (type struct utun_stats_param) */ 
 #define UTUN_OPT_INC_IFDATA_STATS_OUT                  5       /* set to increment stat counters (type struct utun_stats_param) */ 
+
+#ifdef PRIVATE
 #define UTUN_OPT_ENABLE_CRYPTO                                 6
 #define UTUN_OPT_CONFIG_CRYPTO_KEYS                            7
 #define UTUN_OPT_UNCONFIG_CRYPTO_KEYS                  8
@@ -72,22 +77,24 @@ errno_t utun_register_control(void);
 #define UTUN_OPT_DISABLE_CRYPTO                                        10
 #define UTUN_OPT_STOP_CRYPTO_DATA_TRAFFIC              11
 #define UTUN_OPT_START_CRYPTO_DATA_TRAFFIC             12
+#define UTUN_OPT_CONFIG_CRYPTO_FRAMER                  13
+#define UTUN_OPT_UNCONFIG_CRYPTO_FRAMER                        14
+#endif /* PRIVATE */
+
+#define UTUN_OPT_SET_DELEGATE_INTERFACE                        15      /* set the delegate interface (char[]) */
+#define UTUN_OPT_MAX_PENDING_PACKETS                   16      /* the number of packets that can be waiting to be read
+                                                                                                                       from the control socket at a time */
 
 /*
  * Flags for by UTUN_OPT_FLAGS 
  */
 #define        UTUN_FLAGS_NO_OUTPUT            0x0001
 #define UTUN_FLAGS_NO_INPUT                    0x0002
+
+#ifdef PRIVATE
 #define UTUN_FLAGS_CRYPTO                      0x0004
 #define UTUN_FLAGS_CRYPTO_STOP_DATA_TRAFFIC    0x0008
-
-/*
- * utun packet type flags
- */
-#define UTUN_PKT_TYPE_KEEPALIVE                                        0x0001
-#define UTUN_PKT_TYPE_IPSEC                                            0x0002
-#define UTUN_PKT_TYPE_DTLS                                             0x0004
-
+#endif /* PRIVATE */
 
 /*
  * utun stats parameter structure