xnu-2050.18.24.tar.gz

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

diff --git a/bsd/net/lacp.h b/bsd/net/lacp.h
index 0aad344c0f61e8a7e1ef3ff6e8a37197e30dddfd..04c81c167feac888cfcd15544e438c65ed32eebb 100644 (file)
--- a/bsd/net/lacp.h
+++ b/bsd/net/lacp.h
@@ -1,23 +1,29 @@
 /*
  * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.
  *
 /*
  * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.
  *

- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_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 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.

  * 
  * 

- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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,
  * 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.
+ * 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_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@

  */
 
 /*
  */
 
 /*


@@ -37,6 +43,7 @@
 #define        _NET_LACP_H_
 
 #include <sys/types.h>
 #define        _NET_LACP_H_
 
 #include <sys/types.h>

+#include <string.h>

 
 /**
  ** Link Aggregation Control Protocol (LACP) definitions
 
 /**
  ** Link Aggregation Control Protocol (LACP) definitions


@@ -242,6 +249,61 @@ lacp_actor_partner_state_expired(lacp_actor_partner_state state)
     return ((state & LACP_ACTOR_PARTNER_STATE_EXPIRED) != 0);
 }
 
     return ((state & LACP_ACTOR_PARTNER_STATE_EXPIRED) != 0);
 }
 

+/*
+ * Function: lacp_uint16_set
+ * Purpose:
+ *   Set a field in a structure that's at least 16 bits to the given
+ *   value, putting it into network byte order
+ */
+static __inline__ void
+lacp_uint16_set(uint8_t * field, uint16_t value)
+{
+    uint16_t tmp_value = htons(value);
+    memcpy((void *)field, (void *)&tmp_value, sizeof(uint16_t));
+    return;
+}
+
+/*
+ * Function: lacp_uint16_get
+ * Purpose:
+ *   Get a field in a structure that's at least 16 bits, converting
+ *   to host byte order.
+ */
+static __inline__ uint16_t
+lacp_uint16_get(const uint8_t * field)
+{
+    uint16_t tmp_field;
+    memcpy((void *)&tmp_field, (void *)field, sizeof(uint16_t));
+    return (ntohs(tmp_field));
+}
+
+/*
+ * Function: lacp_uint32_set
+ * Purpose:
+ *   Set a field in a structure that's at least 32 bits to the given
+ *   value, putting it into network byte order
+ */
+static __inline__ void
+lacp_uint32_set(uint8_t * field, uint32_t value)
+{
+    uint32_t tmp_value = htonl(value);
+    memcpy((void *)field, (void *)&tmp_value, sizeof(uint32_t));
+    return;
+}
+
+/*
+ * Function: lacp_uint32_get
+ * Purpose:
+ *   Get a field in a structure that's at least 32 bits, converting
+ *   to host byte order.
+ */
+static __inline__ uint32_t
+lacp_uint32_get(const uint8_t * field)
+{
+    uint32_t tmp_field;
+    memcpy((void *)&tmp_field, (void *)field, sizeof(uint32_t));
+    return (ntohl(tmp_field));
+}

 
 /*
  * LACP Actor/Partner TLV access functions
 
 /*
  * LACP Actor/Partner TLV access functions


@@ -250,57 +312,54 @@ static __inline__ void
 lacp_actor_partner_tlv_set_system_priority(lacp_actor_partner_tlv_ref tlv, 
                                           lacp_system_priority system_priority)
 {
 lacp_actor_partner_tlv_set_system_priority(lacp_actor_partner_tlv_ref tlv, 
                                           lacp_system_priority system_priority)
 {

-    *((lacp_system_priority *)tlv->lap_system_priority) 
-       = (lacp_system_priority)htons(system_priority);
+    lacp_uint16_set(tlv->lap_system_priority, system_priority);

     return;
 }
 
 static __inline__ lacp_system_priority
 lacp_actor_partner_tlv_get_system_priority(const lacp_actor_partner_tlv_ref tlv)
 {
     return;
 }
 
 static __inline__ lacp_system_priority
 lacp_actor_partner_tlv_get_system_priority(const lacp_actor_partner_tlv_ref tlv)
 {

-    return ((lacp_system_priority)
-           ntohs(*((u_short *)tlv->lap_system_priority)));
+    return (lacp_system_priority)lacp_uint16_get(tlv->lap_system_priority);

 }
 
 static __inline__ void
 lacp_actor_partner_tlv_set_key(lacp_actor_partner_tlv_ref tlv, lacp_key key)
 {
 }
 
 static __inline__ void
 lacp_actor_partner_tlv_set_key(lacp_actor_partner_tlv_ref tlv, lacp_key key)
 {

-    *((lacp_key *)tlv->lap_key) = (lacp_key)htons(key);
+    lacp_uint16_set(tlv->lap_key, key);

     return;
 }
 
 static __inline__ lacp_key
 lacp_actor_partner_tlv_get_key(const lacp_actor_partner_tlv_ref tlv)
 {
     return;
 }
 
 static __inline__ lacp_key
 lacp_actor_partner_tlv_get_key(const lacp_actor_partner_tlv_ref tlv)
 {

-    return ((lacp_key)ntohs(*((u_short *)tlv->lap_key)));
+    return (lacp_key)lacp_uint16_get(tlv->lap_key);

 }
 
 static __inline__ void
 lacp_actor_partner_tlv_set_port_priority(lacp_actor_partner_tlv_ref tlv, 
                                         lacp_port_priority port_priority)
 {
 }
 
 static __inline__ void
 lacp_actor_partner_tlv_set_port_priority(lacp_actor_partner_tlv_ref tlv, 
                                         lacp_port_priority port_priority)
 {

-    *((lacp_port_priority *)tlv->lap_port_priority) 
-       = (lacp_port_priority)htons(port_priority);
+    lacp_uint16_set(tlv->lap_port_priority, port_priority);

     return;
 }
 
 static __inline__ lacp_port_priority
 lacp_actor_partner_tlv_get_port_priority(const lacp_actor_partner_tlv_ref tlv)
 {
     return;
 }
 
 static __inline__ lacp_port_priority
 lacp_actor_partner_tlv_get_port_priority(const lacp_actor_partner_tlv_ref tlv)
 {

-    return ((lacp_port_priority)ntohs(*((u_short *)tlv->lap_port_priority)));
+    return (lacp_port_priority)lacp_uint16_get(tlv->lap_port_priority);

 }
 
 static __inline__ void
 lacp_actor_partner_tlv_set_port(lacp_actor_partner_tlv_ref tlv, lacp_port port)
 {
 }
 
 static __inline__ void
 lacp_actor_partner_tlv_set_port(lacp_actor_partner_tlv_ref tlv, lacp_port port)
 {

-    *((lacp_port *)tlv->lap_port) = (lacp_port)htons(port);
+    lacp_uint16_set(tlv->lap_port, port);

     return;
 }
 
 static __inline__ lacp_port
 lacp_actor_partner_tlv_get_port(const lacp_actor_partner_tlv_ref tlv)
 {
     return;
 }
 
 static __inline__ lacp_port
 lacp_actor_partner_tlv_get_port(const lacp_actor_partner_tlv_ref tlv)
 {

-    return ((lacp_port)ntohs(*((u_short *)tlv->lap_port)));
+    return (lacp_port)lacp_uint16_get(tlv->lap_port);

 }
 
 /*
 }
 
 /*


@@ -310,15 +369,14 @@ static __inline__ void
 lacp_collector_tlv_set_max_delay(lacp_collector_tlv_ref tlv, 
                                 lacp_collector_max_delay delay)
 {
 lacp_collector_tlv_set_max_delay(lacp_collector_tlv_ref tlv, 
                                 lacp_collector_max_delay delay)
 {

-    *((lacp_collector_max_delay *)tlv->lac_max_delay) 
-       = (lacp_collector_max_delay)htons(delay);
+    lacp_uint16_set(tlv->lac_max_delay, delay);

     return;
 }
 
 static __inline__ lacp_collector_max_delay
 lacp_collector_tlv_get_max_delay(const lacp_collector_tlv_ref tlv)
 {
     return;
 }
 
 static __inline__ lacp_collector_max_delay
 lacp_collector_tlv_get_max_delay(const lacp_collector_tlv_ref tlv)
 {

-    return ((lacp_collector_max_delay)ntohs(*((u_short *)tlv->lac_max_delay)));
+    return (lacp_collector_max_delay)lacp_uint16_get(tlv->lac_max_delay);

 }
 
 typedef struct lacpdu_s {
 }
 
 typedef struct lacpdu_s {


@@ -374,32 +432,28 @@ typedef struct la_marker_pdu_s {
 static __inline__ void
 la_marker_pdu_set_requestor_port(la_marker_pdu_ref lmpdu, lacp_port port)
 {
 static __inline__ void
 la_marker_pdu_set_requestor_port(la_marker_pdu_ref lmpdu, lacp_port port)
 {

-    *((lacp_port *)lmpdu->lm_requestor_port) = (lacp_port)htons(port);
+    lacp_uint16_set(lmpdu->lm_requestor_port, port);

     return;
 }
 
 static __inline__ lacp_port
 la_marker_pdu_get_requestor_port(la_marker_pdu_ref lmpdu)
 {
     return;
 }
 
 static __inline__ lacp_port
 la_marker_pdu_get_requestor_port(la_marker_pdu_ref lmpdu)
 {

-    return ((lacp_port)ntohs(*((lacp_port *)lmpdu->lm_requestor_port)));
+    return (lacp_port)lacp_uint16_get(lmpdu->lm_requestor_port);

 }
 
 static __inline__ void
 la_marker_pdu_set_requestor_transaction_id(la_marker_pdu_ref lmpdu, 
                                           la_marker_transaction_id xid)
 {
 }
 
 static __inline__ void
 la_marker_pdu_set_requestor_transaction_id(la_marker_pdu_ref lmpdu, 
                                           la_marker_transaction_id xid)
 {

-    *((la_marker_transaction_id *)lmpdu->lm_requestor_transaction_id) 
-       = (la_marker_transaction_id)htonl(xid);
+    lacp_uint32_set(lmpdu->lm_requestor_transaction_id, xid);

     return;
 }
 
 static __inline__ la_marker_transaction_id
 la_marker_pdu_get_requestor_transaction_id(la_marker_pdu_ref lmpdu)
 {
     return;
 }
 
 static __inline__ la_marker_transaction_id
 la_marker_pdu_get_requestor_transaction_id(la_marker_pdu_ref lmpdu)
 {

-    la_marker_transaction_id * xid_p;
-
-    xid_p = (la_marker_transaction_id *)lmpdu->lm_requestor_transaction_id;
-    return ((la_marker_transaction_id)ntohl(*xid_p));
+    return (la_marker_transaction_id)lacp_uint32_get(lmpdu->lm_requestor_transaction_id);

 }
 
 static __inline__ void
 }
 
 static __inline__ void