rename thread_info to stack

[powerpc.git] / net / ipv4 / ipip.c

diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 9b561e6..ebd2f2d 100644 (file)
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -96,7 +96,6 @@
 #include <linux/capability.h>
 #include <linux/module.h>
 #include <linux/types.h>
-#include <linux/sched.h>
 #include <linux/kernel.h>
 #include <asm/uaccess.h>
 #include <linux/skbuff.h>
@@ -158,10 +157,10 @@ static struct ip_tunnel * ipip_tunnel_lookup(__be32 remote, __be32 local)
        return NULL;
 }
 
-static struct ip_tunnel **ipip_bucket(struct ip_tunnel *t)
+static struct ip_tunnel **__ipip_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;
 
@@ -176,6 +175,10 @@ static struct ip_tunnel **ipip_bucket(struct ip_tunnel *t)
        return &tunnels[prio][h];
 }
 
+static inline struct ip_tunnel **ipip_bucket(struct ip_tunnel *t)
+{
+       return __ipip_bucket(&t->parms);
+}
 
 static void ipip_tunnel_unlink(struct ip_tunnel *t)
 {
@@ -207,19 +210,9 @@ static struct ip_tunnel * ipip_tunnel_locate(struct ip_tunnel_parm *parms, int c
        __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 = __ipip_bucket(parms); (t = *tp) != NULL; tp = &t->next) {
                if (local == t->parms.iph.saddr && remote == t->parms.iph.daddr)
                        return t;
        }
@@ -281,8 +274,8 @@ static int ipip_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;
 
@@ -337,8 +330,8 @@ out:
        struct iphdr *iph = (struct iphdr*)dp;
        int hlen = iph->ihl<<2;
        struct iphdr *eiph;
-       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;
        __be32 rel_info = 0;
@@ -355,7 +348,7 @@ out:
        default:
                return 0;
        case ICMP_PARAMETERPROB:
-               n = ntohl(skb->h.icmph->un.gateway) >> 24;
+               n = ntohl(icmp_hdr(skb)->un.gateway) >> 24;
                if (n < hlen)
                        return 0;
 
@@ -374,7 +367,7 @@ out:
                        return 0;
                case ICMP_FRAG_NEEDED:
                        /* And it is the only really necessary thing :-) */
-                       n = ntohs(skb->h.icmph->un.frag.mtu);
+                       n = ntohs(icmp_hdr(skb)->un.frag.mtu);
                        if (n < hlen+68)
                                return 0;
                        n -= hlen;
@@ -406,7 +399,7 @@ out:
        dst_release(skb2->dst);
        skb2->dst = NULL;
        skb_pull(skb2, skb->data - (u8*)eiph);
-       skb2->nh.raw = skb2->data;
+       skb_reset_network_header(skb2);
 
        /* Try to guess incoming interface */
        memset(&fl, 0, sizeof(fl));
@@ -462,9 +455,10 @@ out:
 #endif
 }
 
-static inline void ipip_ecn_decapsulate(struct iphdr *outer_iph, struct sk_buff *skb)
+static inline void ipip_ecn_decapsulate(const struct iphdr *outer_iph,
+                                       struct sk_buff *skb)
 {
-       struct iphdr *inner_iph = skb->nh.iph;
+       struct iphdr *inner_iph = ip_hdr(skb);
 
        if (INET_ECN_is_ce(outer_iph->tos))
                IP_ECN_set_ce(inner_iph);
@@ -472,10 +466,8 @@ static inline void ipip_ecn_decapsulate(struct iphdr *outer_iph, struct sk_buff
 
 static int ipip_rcv(struct sk_buff *skb)
 {
-       struct iphdr *iph;
        struct ip_tunnel *tunnel;
-
-       iph = skb->nh.iph;
+       const struct iphdr *iph = ip_hdr(skb);
 
        read_lock(&ipip_lock);
        if ((tunnel = ipip_tunnel_lookup(iph->saddr, iph->daddr)) != NULL) {
@@ -487,8 +479,8 @@ static int ipip_rcv(struct sk_buff *skb)
 
                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);
                skb->protocol = htons(ETH_P_IP);
                skb->pkt_type = PACKET_HOST;
 
@@ -522,7 +514,7 @@ static int ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
        __be16 df = tiph->frag_off;
        struct rtable *rt;                      /* Route to the other host */
        struct net_device *tdev;                        /* Device to other host */
-       struct iphdr  *old_iph = skb->nh.iph;
+       struct iphdr  *old_iph = ip_hdr(skb);
        struct iphdr  *iph;                     /* Our new IP header */
        int    max_headroom;                    /* The extra header space needed */
        __be32 dst = tiph->daddr;
@@ -616,11 +608,12 @@ static int ipip_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;
-               old_iph = skb->nh.iph;
+               old_iph = ip_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 &= ~(IPSKB_XFRM_TUNNEL_SIZE | IPSKB_XFRM_TRANSFORMED |
                              IPSKB_REROUTED);
@@ -631,7 +624,7 @@ static int ipip_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;
        iph->frag_off           =       df;