/*
- * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2008-2016 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * @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. 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
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*!
@header kpi_protocol.h
#include <sys/kernel_types.h>
#include <net/kpi_interface.h>
-
__BEGIN_DECLS
-/****************************************************************************/
-/* Protocol input/inject */
-/****************************************************************************/
+/******************************************************************************/
+/* Protocol input/inject */
+/******************************************************************************/
-#ifdef KERNEL_PRIVATE
+#ifdef BSD_KERNEL_PRIVATE
/*!
@typedef protocol_input_handler
@discussion protocol_input_handler is called to input a packet. If
@param protocol The protocol family these functions will receive
packets for.
@param input The function called when a packet is input.
+ @param chains Input function supports packet chains.
@result A errno error on failure.
*/
-errno_t proto_register_input(protocol_family_t protocol, proto_input_handler input,
- proto_input_detached_handler detached);
+extern errno_t proto_register_input(protocol_family_t protocol,
+ proto_input_handler input, proto_input_detached_handler detached,
+ int chains);
/*!
@function proto_unregister_input
to unload until the proto_detached_handler is called.
@param protocol The protocol family these functions will receive
packets for.
- @param input The function called when a packet is input.
- @param inject The function to called when a packet is injected (not
- on the normal input path).
- @result A errno error on failure.
*/
-void proto_unregister_input(protocol_family_t protocol);
-#endif
+extern void proto_unregister_input(protocol_family_t protocol);
+#endif /* BSD_KERNEL_PRIVATE */
/*!
@function proto_input
@result A errno error on failure. Unless proto_input returns zero,
the caller is responsible for freeing the mbuf.
*/
-errno_t proto_input(protocol_family_t protocol, mbuf_t packet);
+extern errno_t proto_input(protocol_family_t protocol, mbuf_t packet);
/*!
@function proto_inject
@result A errno error on failure. Unless proto_inject returns zero,
the caller is responsible for freeing the mbuf.
*/
-errno_t proto_inject(protocol_family_t protocol, mbuf_t packet);
+extern errno_t proto_inject(protocol_family_t protocol, mbuf_t packet);
-/****************************************************************************/
-/* Protocol plumbing */
-/****************************************************************************/
+/******************************************************************************/
+/* Protocol plumbing */
+/******************************************************************************/
/*!
@typedef proto_plumb_handler
interface. A typical protocol plumb function would fill out an
ifnet_attach_proto_param and call ifnet_attach_protocol.
@param ifp The interface the protocol should be attached to.
- @param protocol_family The protocol that should be attached to the
+ @param protocol The protocol that should be attached to the
interface.
@result
A non-zero value of the attach failed.
from an interface. A typical unplumb function would call
ifnet_detach_protocol and perform any necessary cleanup.
@param ifp The interface the protocol should be detached from.
- @param protocol_family The protocol that should be detached from the
+ @param protocol The protocol that should be detached from the
interface.
*/
typedef void (*proto_unplumb_handler)(ifnet_t ifp, protocol_family_t protocol);
/*!
@function proto_register_plumber
- @discussion Allows the caller to specify the functions called when a protocol
- is attached to an interface belonging to the specified family and when
- that protocol is detached.
+ @discussion Allows the caller to specify the functions called when a
+ protocol is attached to an interface belonging to the specified
+ family and when that protocol is detached.
@param proto_fam The protocol family these plumbing functions will
handle.
@param if_fam The interface family these plumbing functions will
be used to detach the protocol.
@result A non-zero value of the attach failed.
*/
-errno_t proto_register_plumber(protocol_family_t proto_fam, ifnet_family_t if_fam,
- proto_plumb_handler plumb, proto_unplumb_handler unplumb);
+extern errno_t proto_register_plumber(protocol_family_t proto_fam,
+ ifnet_family_t if_fam, proto_plumb_handler plumb,
+ proto_unplumb_handler unplumb);
/*!
@function proto_unregister_plumber
handle.
@param if_fam The interface family these plumbing functions handle.
*/
-void proto_unregister_plumber(protocol_family_t proto_fam, ifnet_family_t if_fam);
+extern void proto_unregister_plumber(protocol_family_t proto_fam,
+ ifnet_family_t if_fam);
+#ifdef BSD_KERNEL_PRIVATE
+/*
+ @function proto_plumb
+ @discussion Plumbs a protocol to an actual interface. This will find
+ a registered protocol module and call its attach function.
+ The module will typically call dlil_attach_protocol() with the
+ appropriate parameters.
+ @param protocol_family The protocol family.
+ @param ifp The interface to plumb the protocol to.
+ @result 0: No error.
+ ENOENT: No module was registered.
+ Other: Error returned by the attach_proto function
+*/
+extern errno_t proto_plumb(protocol_family_t protocol_family, ifnet_t ifp);
+
+/*
+ @function proto_unplumb
+ @discussion Unplumbs a protocol from an interface. This will find
+ a registered protocol module and call its detach function.
+ The module will typically call dlil_detach_protocol() with
+ the appropriate parameters. If no module is found, this
+ function will call dlil_detach_protocol directly().
+ @param protocol_family The protocol family.
+ @param ifp The interface to unplumb the protocol from.
+ @result 0: No error.
+ ENOENT: No module was registered.
+ Other: Error returned by the attach_proto function
+*/
+extern errno_t proto_unplumb(protocol_family_t protocol_family, ifnet_t ifp);
+
+__private_extern__ void
+proto_kpi_init(void);
+
+#endif /* BSD_KERNEL_PRIVATE */
__END_DECLS
-#endif
+#endif /* __KPI_PROTOCOL__ */
projects / apple / xnu.git / blobdiff