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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2007-11-13 21:40:13 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-28 14:53:45 -0800 |
| commit | 29bb43b4ec4e625b0659186fc8a7c8f8b7c81982 (patch) | |
| tree | 8c04e70edb9ef5d0a76793add6b70cf530f41913 | |
| parent | a2deb6d26f16ed7bf787dbd6a58c5d7be47d8db3 (diff) | |
| download | linux-29bb43b4ec4e625b0659186fc8a7c8f8b7c81982.tar.bz2 | |
[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>
| -rw-r--r-- | include/net/inet_ecn.h | 8 | ||||
| -rw-r--r-- | net/ipv4/xfrm4_mode_tunnel.c | 2 | ||||
| -rw-r--r-- | net/ipv6/ip6_tunnel.c | 2 | ||||
| -rw-r--r-- | 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 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); } diff --git a/net/ipv4/xfrm4_mode_tunnel.c b/net/ipv4/xfrm4_mode_tunnel.c index e4deecba6dd2..68a9f56ff09f 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 5383b33db8ca..a4051afaf776 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 fd84e2217274..9a43ea722481 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 { |