X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=net%2Fipv6%2Fsit.c;h=1efa95a99f4533198e353f713f7287cb522ec55d;hb=ea74342900dbe79f2a31ed3609b9e2bdb5c7198c;hp=08d6ed3396e42f6deb53c4422562eb9afb260765;hpb=f8abea8f8c24ecdad6d6861bffb912f23f2741cd;p=linux-2.6-omap-h63xx.git diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 08d6ed3396e..1efa95a99f4 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -99,10 +99,10 @@ static struct ip_tunnel * ipip6_tunnel_lookup(__be32 remote, __be32 local) return NULL; } -static struct ip_tunnel ** ipip6_bucket(struct ip_tunnel *t) +static struct ip_tunnel **__ipip6_bucket(struct ip_tunnel_parm *parms) { - __be32 remote = t->parms.iph.daddr; - __be32 local = t->parms.iph.saddr; + __be32 remote = parms->iph.daddr; + __be32 local = parms->iph.saddr; unsigned h = 0; int prio = 0; @@ -117,6 +117,11 @@ static struct ip_tunnel ** ipip6_bucket(struct ip_tunnel *t) return &tunnels[prio][h]; } +static inline struct ip_tunnel **ipip6_bucket(struct ip_tunnel *t) +{ + return __ipip6_bucket(&t->parms); +} + static void ipip6_tunnel_unlink(struct ip_tunnel *t) { struct ip_tunnel **tp; @@ -147,19 +152,9 @@ static struct ip_tunnel * ipip6_tunnel_locate(struct ip_tunnel_parm *parms, int __be32 local = parms->iph.saddr; struct ip_tunnel *t, **tp, *nt; struct net_device *dev; - unsigned h = 0; - int prio = 0; char name[IFNAMSIZ]; - if (remote) { - prio |= 2; - h ^= HASH(remote); - } - if (local) { - prio |= 1; - h ^= HASH(local); - } - for (tp = &tunnels[prio][h]; (t = *tp) != NULL; tp = &t->next) { + for (tp = __ipip6_bucket(parms); (t = *tp) != NULL; tp = &t->next) { if (local == t->parms.iph.saddr && remote == t->parms.iph.daddr) return t; } @@ -224,8 +219,8 @@ static int ipip6_err(struct sk_buff *skb, u32 info) ICMP in the real Internet is absolutely infeasible. */ struct iphdr *iph = (struct iphdr*)skb->data; - int type = skb->h.icmph->type; - int code = skb->h.icmph->code; + const int type = icmp_hdr(skb)->type; + const int code = icmp_hdr(skb)->code; struct ip_tunnel *t; int err; @@ -280,8 +275,8 @@ out: struct iphdr *iph = (struct iphdr*)dp; int hlen = iph->ihl<<2; struct ipv6hdr *iph6; - int type = skb->h.icmph->type; - int code = skb->h.icmph->code; + const int type = icmp_hdr(skb)->type; + const int code = icmp_hdr(skb)->code; int rel_type = 0; int rel_code = 0; int rel_info = 0; @@ -296,14 +291,14 @@ out: default: return; case ICMP_PARAMETERPROB: - if (skb->h.icmph->un.gateway < hlen) + if (icmp_hdr(skb)->un.gateway < hlen) return; /* So... This guy found something strange INSIDE encapsulated packet. Well, he is fool, but what can we do ? */ rel_type = ICMPV6_PARAMPROB; - rel_info = skb->h.icmph->un.gateway - hlen; + rel_info = icmp_hdr(skb)->un.gateway - hlen; break; case ICMP_DEST_UNREACH: @@ -340,7 +335,7 @@ out: dst_release(skb2->dst); skb2->dst = NULL; skb_pull(skb2, skb->data - (u8*)iph6); - skb2->nh.raw = skb2->data; + skb_reset_network_header(skb2); /* Try to guess incoming interface */ rt6i = rt6_lookup(&iph6->saddr, NULL, NULL, 0); @@ -366,7 +361,7 @@ out: static inline void ipip6_ecn_decapsulate(struct iphdr *iph, struct sk_buff *skb) { if (INET_ECN_is_ce(iph->tos)) - IP6_ECN_set_ce(skb->nh.ipv6h); + IP6_ECN_set_ce(ipv6_hdr(skb)); } static int ipip6_rcv(struct sk_buff *skb) @@ -377,13 +372,13 @@ static int ipip6_rcv(struct sk_buff *skb) if (!pskb_may_pull(skb, sizeof(struct ipv6hdr))) goto out; - iph = skb->nh.iph; + iph = ip_hdr(skb); read_lock(&ipip6_lock); if ((tunnel = ipip6_tunnel_lookup(iph->saddr, iph->daddr)) != NULL) { secpath_reset(skb); - skb->mac.raw = skb->nh.raw; - skb->nh.raw = skb->data; + skb->mac_header = skb->network_header; + skb_reset_network_header(skb); IPCB(skb)->flags = 0; skb->protocol = htons(ETH_P_IPV6); skb->pkt_type = PACKET_HOST; @@ -430,7 +425,7 @@ static int ipip6_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) struct ip_tunnel *tunnel = netdev_priv(dev); struct net_device_stats *stats = &tunnel->stat; struct iphdr *tiph = &tunnel->parms.iph; - struct ipv6hdr *iph6 = skb->nh.ipv6h; + struct ipv6hdr *iph6 = ipv6_hdr(skb); u8 tos = tunnel->parms.iph.tos; struct rtable *rt; /* Route to the other host */ struct net_device *tdev; /* Device to other host */ @@ -468,7 +463,7 @@ static int ipip6_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) addr_type = ipv6_addr_type(addr6); if (addr_type == IPV6_ADDR_ANY) { - addr6 = &skb->nh.ipv6h->daddr; + addr6 = &ipv6_hdr(skb)->daddr; addr_type = ipv6_addr_type(addr6); } @@ -550,11 +545,12 @@ static int ipip6_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) skb_set_owner_w(new_skb, skb->sk); dev_kfree_skb(skb); skb = new_skb; - iph6 = skb->nh.ipv6h; + iph6 = ipv6_hdr(skb); } - skb->h.raw = skb->nh.raw; - skb->nh.raw = skb_push(skb, sizeof(struct iphdr)); + skb->transport_header = skb->network_header; + skb_push(skb, sizeof(struct iphdr)); + skb_reset_network_header(skb); memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt)); IPCB(skb)->flags = 0; dst_release(skb->dst); @@ -564,7 +560,7 @@ static int ipip6_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) * Push down and install the IPIP header. */ - iph = skb->nh.iph; + iph = ip_hdr(skb); iph->version = 4; iph->ihl = sizeof(struct iphdr)>>2; if (mtu > IPV6_MIN_MTU)