Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=29bb43b4ec4e625b0659186fc8a7c8f8b7c81982
Commit: 29bb43b4ec4e625b0659186fc8a7c8f8b7c81982
Parent: a2deb6d26f16ed7bf787dbd6a58c5d7be47d8db3
Author: Herbert Xu <[EMAIL PROTECTED]>
AuthorDate: Tue Nov 13 21:40:13 2007 -0800
Committer: David S. Miller <[EMAIL PROTECTED]>
CommitDate: Mon Jan 28 14:53:45 2008 -0800
[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 <[EMAIL PROTECTED]>
Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
---
include/net/inet_ecn.h | 8 ++++----
net/ipv4/xfrm4_mode_tunnel.c | 2 +-
net/ipv6/ip6_tunnel.c | 2 +-
net/ipv6/xfrm6_mode_tunnel.c | 3 ++-
4 files changed, 8 insertions(+), 7 deletions(-)
diff --git a/include/net/inet_ecn.h b/include/net/inet_ecn.h
index de8399a..ba33db0 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);
}
diff --git a/net/ipv4/xfrm4_mode_tunnel.c b/net/ipv4/xfrm4_mode_tunnel.c
index e4deecb..68a9f56 100644
--- a/net/ipv4/xfrm4_mode_tunnel.c
+++ b/net/ipv4/xfrm4_mode_tunnel.c
@@ -113,7 +113,7 @@ static int xfrm4_tunnel_input(struct xfrm_state *x, struct
sk_buff *skb)
iph = ip_hdr(skb);
if (iph->protocol == IPPROTO_IPIP) {
if (x->props.flags & XFRM_STATE_DECAP_DSCP)
- ipv4_copy_dscp(iph, ipip_hdr(skb));
+ ipv4_copy_dscp(ipv4_get_dsfield(iph), ipip_hdr(skb));
if (!(x->props.flags & XFRM_STATE_NOECN))
ipip_ecn_decapsulate(skb);
}
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 5383b33..a4051af 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -635,7 +635,7 @@ static void ip6ip6_dscp_ecn_decapsulate(struct ip6_tnl *t,
struct sk_buff *skb)
{
if (t->parms.flags & IP6_TNL_F_RCV_DSCP_COPY)
- ipv6_copy_dscp(ipv6h, ipv6_hdr(skb));
+ ipv6_copy_dscp(ipv6_get_dsfield(ipv6h), ipv6_hdr(skb));
if (INET_ECN_is_ce(ipv6_get_dsfield(ipv6h)))
IP6_ECN_set_ce(ipv6_hdr(skb));
diff --git a/net/ipv6/xfrm6_mode_tunnel.c b/net/ipv6/xfrm6_mode_tunnel.c
index fd84e22..9a43ea7 100644
--- a/net/ipv6/xfrm6_mode_tunnel.c
+++ b/net/ipv6/xfrm6_mode_tunnel.c
@@ -95,7 +95,8 @@ static int xfrm6_tunnel_input(struct xfrm_state *x, struct
sk_buff *skb)
nh = skb_network_header(skb);
if (nh[IP6CB(skb)->nhoff] == IPPROTO_IPV6) {
if (x->props.flags & XFRM_STATE_DECAP_DSCP)
- ipv6_copy_dscp(ipv6_hdr(skb), ipipv6_hdr(skb));
+ ipv6_copy_dscp(ipv6_get_dsfield(ipv6_hdr(skb)),
+ ipipv6_hdr(skb));
if (!(x->props.flags & XFRM_STATE_NOECN))
ipip6_ecn_decapsulate(skb);
} else {
-
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