/*
- * Copyright (c) 2000, 2007, 2015 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2016 Apple 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
* 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,
* 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@
*/
/*
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
-#if INET6
#include <netinet/ip6.h>
-#endif
#include <netinet/ip_ecn.h>
-#if INET6
#include <netinet6/ip6_ecn.h>
-#endif
/*
* modify outer ECN (TOS) field on ingress operation (tunnel encapsulation).
*/
void
-ip_ecn_ingress(mode, outer, inner)
- int mode;
- u_int8_t *outer;
- const u_int8_t *inner;
+ip_ecn_ingress(int mode, u_int8_t *outer, const u_int8_t *inner)
{
- if (!outer || !inner)
+ if (!outer || !inner) {
panic("NULL pointer passed to ip_ecn_ingress");
+ }
*outer = *inner;
switch (mode) {
- case ECN_NORMAL: /* ECN normal mode, copy flags */
+ case ECN_NORMAL: /* ECN normal mode, copy flags */
break;
- case ECN_COMPATIBILITY: /* ECN compatibility mode */
+ case ECN_COMPATIBILITY: /* ECN compatibility mode */
*outer &= ~IPTOS_ECN_MASK;
break;
- case ECN_NOCARE: /* no consideration to ECN */
+ case ECN_NOCARE: /* no consideration to ECN */
break;
}
}
* modify inner ECN (TOS) field on egress operation (tunnel decapsulation).
*/
int
-ip_ecn_egress(mode, outer, inner)
- int mode;
- const u_int8_t *outer;
- u_int8_t *inner;
+ip_ecn_egress(int mode, const u_int8_t *outer, u_int8_t *inner)
{
- if (!outer || !inner)
+ if (!outer || !inner) {
panic("NULL pointer passed to ip_ecn_egress");
+ }
switch (mode) {
/* Process ECN for both normal and compatibility modes */
((*inner & IPTOS_ECN_MASK) != IPTOS_ECN_NOTECT)) {
*inner |= IPTOS_ECN_CE;
} else if ((*outer & IPTOS_ECN_MASK) == IPTOS_ECN_ECT1 &&
- (*inner & IPTOS_ECN_MASK) == IPTOS_ECN_ECT0) {
+ (*inner & IPTOS_ECN_MASK) == IPTOS_ECN_ECT0) {
*inner = *outer;
}
break;
- case ECN_NOCARE: /* no consideration to ECN */
+ case ECN_NOCARE: /* no consideration to ECN */
break;
}
- return (1);
+ return 1;
}
-#if INET6
void
-ip6_ecn_ingress(mode, outer, inner)
- int mode;
- u_int32_t *outer;
- const u_int32_t *inner;
+ip6_ecn_ingress(int mode, u_int32_t *outer, const u_int32_t *inner)
{
u_int8_t outer8, inner8;
- if (!outer || !inner)
+ if (!outer || !inner) {
panic("NULL pointer passed to ip6_ecn_ingress");
+ }
inner8 = (ntohl(*inner) >> 20) & 0xff;
ip_ecn_ingress(mode, &outer8, &inner8);
}
int
-ip6_ecn_egress(mode, outer, inner)
- int mode;
- const u_int32_t *outer;
- u_int32_t *inner;
+ip6_ecn_egress(int mode, const u_int32_t *outer, u_int32_t *inner)
{
u_int8_t outer8, inner8;
- if (!outer || !inner)
+ if (!outer || !inner) {
panic("NULL pointer passed to ip6_ecn_egress");
+ }
outer8 = (ntohl(*outer) >> 20) & 0xff;
inner8 = (ntohl(*inner) >> 20) & 0xff;
if (ip_ecn_egress(mode, &outer8, &inner8) == 0) {
- return (0);
+ return 0;
}
*inner &= ~htonl(0xff << 20);
*inner |= htonl((u_int32_t)inner8 << 20);
- return (1);
+ return 1;
}
/*
* on ingress operation (tunnel encapsulation).
*/
void
-ip46_ecn_ingress(mode, outer, tos)
- int mode;
- u_int32_t *outer;
- const u_int8_t *tos;
+ip46_ecn_ingress(int mode, u_int32_t *outer, const u_int8_t *tos)
{
u_int8_t outer8;
- if (!outer || !tos)
+ if (!outer || !tos) {
panic("NULL pointer passed to ip46_ecn_ingress");
+ }
ip_ecn_ingress(mode, &outer8, tos);
*outer &= ~htonl(0xff << 20);
* on egress operation (tunnel decapsulation).
*/
int
-ip46_ecn_egress(mode, outer, tos)
- int mode;
- const u_int32_t *outer;
- u_int8_t *tos;
+ip46_ecn_egress(int mode, const u_int32_t *outer, u_int8_t *tos)
{
u_int8_t outer8;
- if (!outer || !tos)
+ if (!outer || !tos) {
panic("NULL pointer passed to ip46_ecn_egress");
+ }
outer8 = (ntohl(*outer) >> 20) & 0xff;
return ip_ecn_egress(mode, &outer8, tos);
* on ingress operation (tunnel encapsulation).
*/
void
-ip64_ecn_ingress(mode, outer, inner)
- int mode;
- u_int8_t *outer;
- const u_int32_t *inner;
+ip64_ecn_ingress(int mode, u_int8_t *outer, const u_int32_t *inner)
{
u_int8_t inner8;
- if (!outer || ! inner)
+ if (!outer || !inner) {
panic("NULL pointer passed to ip64_ecn_ingress");
+ }
inner8 = (ntohl(*inner) >> 20) & 0xff;
ip_ecn_ingress(mode, outer, &inner8);
* on egress operation (tunnel decapsulation).
*/
int
-ip64_ecn_egress(mode, outer, inner)
- int mode;
- const u_int8_t *outer;
- u_int32_t *inner;
+ip64_ecn_egress(int mode, const u_int8_t *outer, u_int32_t *inner)
{
u_int8_t inner8;
- if (!outer || !inner)
+ if (!outer || !inner) {
panic("NULL pointer passed to ip64_ecn_egress");
+ }
inner8 = (ntohl(*inner) >> 20) & 0xff;
if (ip_ecn_egress(mode, outer, &inner8) == 0) {
- return (0);
+ return 0;
}
*inner &= ~htonl(0xff << 20);
*inner |= htonl((u_int32_t)inner8 << 20);
- return (1);
+ return 1;
}
-
-#endif
projects / apple / xnu.git / blobdiff