X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=include%2Fnet%2Finet_ecn.h;h=de8399a797749007f17501f8371136fb83d33fd1;hb=06be3035f96d73cf64dc20a8ee37c902d7a2ff2d;hp=b0c47e2eccf10849d7ca097eeeaf3b08c307837e;hpb=a892acacd3a8546ac161526522f13b5174f2c471;p=mv-sheeva.git

diff --git a/include/net/inet_ecn.h b/include/net/inet_ecn.h
index b0c47e2eccf..de8399a7977 100644
--- a/include/net/inet_ecn.h
+++ b/include/net/inet_ecn.h
@@ -3,6 +3,8 @@
 
 #include <linux/ip.h>
 #include <linux/skbuff.h>
+
+#include <net/inet_sock.h>
 #include <net/dsfield.h>
 
 enum {
@@ -46,12 +48,12 @@ static inline __u8 INET_ECN_encapsulate(__u8 outer, __u8 inner)
 
 #define	IP6_ECN_flow_xmit(sk, label) do {				\
 	if (INET_ECN_is_capable(inet_sk(sk)->tos))			\
-		(label) |= __constant_htons(INET_ECN_ECT_0 << 4);	\
+		(label) |= htonl(INET_ECN_ECT_0 << 20);			\
     } while (0)
 
 static inline int IP_ECN_set_ce(struct iphdr *iph)
 {
-	u32 check = iph->check;
+	u32 check = (__force u32)iph->check;
 	u32 ecn = (iph->tos + 1) & INET_ECN_MASK;
 
 	/*
@@ -69,9 +71,9 @@ static inline int IP_ECN_set_ce(struct iphdr *iph)
 	 * INET_ECN_ECT_1 => check += htons(0xFFFD)
 	 * INET_ECN_ECT_0 => check += htons(0xFFFE)
 	 */
-	check += htons(0xFFFB) + htons(ecn);
+	check += (__force u16)htons(0xFFFB) + (__force u16)htons(ecn);
 
-	iph->check = check + (check>=0xFFFF);
+	iph->check = (__force __sum16)(check + (check>=0xFFFF));
 	iph->tos |= INET_ECN_CE;
 	return 1;
 }
@@ -93,13 +95,13 @@ static inline int IP6_ECN_set_ce(struct ipv6hdr *iph)
 {
 	if (INET_ECN_is_not_ect(ipv6_get_dsfield(iph)))
 		return 0;
-	*(u32*)iph |= htonl(INET_ECN_CE << 20);
+	*(__be32*)iph |= htonl(INET_ECN_CE << 20);
 	return 1;
 }
 
 static inline void IP6_ECN_clear(struct ipv6hdr *iph)
 {
-	*(u32*)iph &= ~htonl(INET_ECN_MASK << 20);
+	*(__be32*)iph &= ~htonl(INET_ECN_MASK << 20);
 }
 
 static inline void ipv6_copy_dscp(struct ipv6hdr *outer, struct ipv6hdr *inner)
@@ -112,13 +114,13 @@ static inline int INET_ECN_set_ce(struct sk_buff *skb)
 {
 	switch (skb->protocol) {
 	case __constant_htons(ETH_P_IP):
-		if (skb->nh.raw + sizeof(struct iphdr) <= skb->tail)
-			return IP_ECN_set_ce(skb->nh.iph);
+		if (skb->network_header + sizeof(struct iphdr) <= skb->tail)
+			return IP_ECN_set_ce(ip_hdr(skb));
 		break;
 
 	case __constant_htons(ETH_P_IPV6):
-		if (skb->nh.raw + sizeof(struct ipv6hdr) <= skb->tail)
-			return IP6_ECN_set_ce(skb->nh.ipv6h);
+		if (skb->network_header + sizeof(struct ipv6hdr) <= skb->tail)
+			return IP6_ECN_set_ce(ipv6_hdr(skb));
 		break;
 	}