xnu-7195.81.3.tar.gz

[apple/xnu.git] / bsd / netinet / ip_ecn.c

diff --git a/bsd/netinet/ip_ecn.c b/bsd/netinet/ip_ecn.c
index da773e9e7c7a8513eb15cafd224a4fa93bb4965d..5cbc50b50db0bf3c144f0a925c5bfc0f59d0437a 100644 (file)
--- a/bsd/netinet/ip_ecn.c
+++ b/bsd/netinet/ip_ecn.c
@@ -68,14 +68,10 @@
 #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).
@@ -83,17 +79,18 @@
 void
 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;
        }
 }
@@ -104,8 +101,9 @@ ip_ecn_ingress(int mode, u_int8_t *outer, const u_int8_t *inner)
 int
 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 */
@@ -115,24 +113,24 @@ ip_ecn_egress(int mode, const u_int8_t *outer, u_int8_t *inner)
                    ((*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(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);
@@ -145,17 +143,18 @@ 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;
 }
 
 /*
@@ -167,8 +166,9 @@ 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);
@@ -184,8 +184,9 @@ 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);
@@ -200,8 +201,9 @@ 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);
@@ -216,17 +218,16 @@ 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