[INET]: Give outer DSCP directly to ip*_copy_dscp

This patch changes the prototype of ipv4_copy_dscp and ipv6_copy_dscp so
that they directly take the outer DSCP rather than the outer IP header.
This will help us to unify the code for inter-family tunnels.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 4 deletions

diff --git a/include/net/inet_ecn.h b/include/net/inet_ecn.h
index de8399a79774..ba33db053854 100644
--- a/include/net/inet_ecn.h
+++ b/include/net/inet_ecn.h
@@ -83,9 +83,9 @@ static inline void IP_ECN_clear(struct iphdr *iph)
         iph->tos &= ~INET_ECN_MASK;
 }
 
-static inline void ipv4_copy_dscp(struct iphdr *outer, struct iphdr *inner)
+static inline void ipv4_copy_dscp(unsigned int dscp, struct iphdr *inner)
 {
-        u32 dscp = ipv4_get_dsfield(outer) & ~INET_ECN_MASK;
+        dscp &= ~INET_ECN_MASK;
         ipv4_change_dsfield(inner, INET_ECN_MASK, dscp);
 }
 
@@ -104,9 +104,9 @@ static inline void IP6_ECN_clear(struct ipv6hdr *iph)
         *(__be32*)iph &= ~htonl(INET_ECN_MASK << 20);
 }
 
-static inline void ipv6_copy_dscp(struct ipv6hdr *outer, struct ipv6hdr *inner)
+static inline void ipv6_copy_dscp(unsigned int dscp, struct ipv6hdr *inner)
 {
-        u32 dscp = ipv6_get_dsfield(outer) & ~INET_ECN_MASK;
+        dscp &= ~INET_ECN_MASK;
         ipv6_change_dsfield(inner, INET_ECN_MASK, dscp);
 }