X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/43866e378188c25dd1e2208016ab3cbeb086ae6c..bb59bff194111743b33cc36712410b5656329d3c:/bsd/net/bpfdesc.h

diff --git a/bsd/net/bpfdesc.h b/bsd/net/bpfdesc.h
index 686be6c2d..4145bf405 100644
--- a/bsd/net/bpfdesc.h
+++ b/bsd/net/bpfdesc.h
@@ -1,16 +1,19 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2014 Apple Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ * 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
  * 
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
@@ -20,7 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * Copyright (c) 1990, 1991, 1993
@@ -67,12 +70,13 @@
 #ifndef _NET_BPFDESC_H_
 #define _NET_BPFDESC_H_
 #include <sys/appleapiopts.h>
-#ifdef __APPLE_API_PRIVATE
+#ifdef KERNEL_PRIVATE
 /*
  * The items in this header file should be wrapped in #ifdef KERNEL.
  */
 
 #include <sys/select.h>
+#include <kern/thread_call.h>
 
 /*
  * Descriptor associated with each open bpf file.
@@ -95,12 +99,13 @@ struct bpf_d {
 	int 		bd_hlen;	/* current length of hold buffer */
 
 	int		bd_bufsize;	/* absolute length of buffers */
+	int		bd_hbuf_read;	/* reading from hbuf */
 
-	struct bpf_if *	bd_bif;		/* interface descriptor */
-	u_long		bd_rtout;	/* Read timeout in 'ticks' */
+	struct bpf_if  *bd_bif;		/* interface descriptor */
+	u_int32_t		bd_rtout;	/* Read timeout in 'ticks' */
 	struct bpf_insn *bd_filter; 	/* filter code */
-	u_long		bd_rcount;	/* number of packets received */
-	u_long		bd_dcount;	/* number of packets dropped */
+	u_int32_t		bd_rcount;	/* number of packets received */
+	u_int32_t		bd_dcount;	/* number of packets dropped */
 
 	u_char		bd_promisc;	/* true if listening promiscuously */
 	u_char		bd_state;	/* idle, waiting, or timed out */
@@ -123,9 +128,32 @@ struct bpf_d {
 #endif
 	int		bd_hdrcmplt;	/* false to fill in src lladdr automatically */
 	int		bd_seesent;	/* true if bpf should see sent packets */
-
+	int		bd_oflags;	/* device open flags */
+	thread_call_t bd_thread_call; /* for BPF timeouts with select */
+#if CONFIG_MACF_NET
+	struct label *	bd_label;	/* MAC label for descriptor */
+#endif
+	int		bd_traffic_class; /* traffic service class */
+	int		bd_flags;	/* flags */
 };
 
+/* Values for bd_state */
+#define BPF_IDLE		0    /* no select in progress or kqueue pending */
+#define BPF_WAITING		1    /* waiting for read timeout in select/kqueue */
+#define BPF_TIMED_OUT 	2	 /* read timeout has expired in select/kqueue */
+#define BPF_DRAINING	3	 /* waiting for timeout routine to finish during close */
+
+/* Test whether a BPF is ready for read(). */
+#define bpf_ready(bd)	((bd)->bd_hlen != 0 ||		\
+			 (((bd)->bd_immediate || (bd)->bd_state == BPF_TIMED_OUT) && \
+			  (bd)->bd_slen != 0))
+
+
+/* Values for bd_flags */
+#define	BPF_EXTENDED_HDR	0x01	/* process req. the extended header */
+#define	BPF_WANT_PKTAP		0x02	/* process knows how to keep DLT_PKTAP private */
+#define	BPF_FINALIZE_PKTAP	0x04	/* finalize pktap header on read */
+
 /*
  * Descriptor associated with each attached hardware interface.
  */
@@ -134,8 +162,11 @@ struct bpf_if {
 	struct bpf_d *bif_dlist;	/* descriptor list */
 	u_int bif_dlt;			/* link layer type */
 	u_int bif_hdrlen;		/* length of header (with padding) */
+	u_int bif_exthdrlen;		/* length of ext header */
 	struct ifnet *bif_ifp;		/* corresponding interface */
+	bpf_send_func	bif_send;
+	bpf_tap_func	bif_tap;
 };
 
-#endif /* __APPLE_API_PRIVATE */
+#endif /* KERNEL_PRIVATE */
 #endif