[NETFILTER]: Mark hooks __read_mostly

[pandora-kernel.git] / net / ipv6 / netfilter / ip6table_mangle.c

diff --git a/net/ipv6/netfilter/ip6table_mangle.c b/net/ipv6/netfilter/ip6table_mangle.c
index f0a9efa..d608260 100644 (file)
--- a/net/ipv6/netfilter/ip6table_mangle.c
+++ b/net/ipv6/netfilter/ip6table_mangle.c
@@ -15,11 +15,11 @@ MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Netfilter Core Team <coreteam@netfilter.org>");
 MODULE_DESCRIPTION("ip6tables mangle table");
 
-#define MANGLE_VALID_HOOKS ((1 << NF_IP6_PRE_ROUTING) | \
-                           (1 << NF_IP6_LOCAL_IN) | \
-                           (1 << NF_IP6_FORWARD) | \
-                           (1 << NF_IP6_LOCAL_OUT) | \
-                           (1 << NF_IP6_POST_ROUTING))
+#define MANGLE_VALID_HOOKS ((1 << NF_INET_PRE_ROUTING) | \
+                           (1 << NF_INET_LOCAL_IN) | \
+                           (1 << NF_INET_FORWARD) | \
+                           (1 << NF_INET_LOCAL_OUT) | \
+                           (1 << NF_INET_POST_ROUTING))
 
 static struct
 {
@@ -33,18 +33,18 @@ static struct
                .num_entries = 6,
                .size = sizeof(struct ip6t_standard) * 5 + sizeof(struct ip6t_error),
                .hook_entry = {
-                       [NF_IP6_PRE_ROUTING]    = 0,
-                       [NF_IP6_LOCAL_IN]       = sizeof(struct ip6t_standard),
-                       [NF_IP6_FORWARD]        = sizeof(struct ip6t_standard) * 2,
-                       [NF_IP6_LOCAL_OUT]      = sizeof(struct ip6t_standard) * 3,
-                       [NF_IP6_POST_ROUTING]   = sizeof(struct ip6t_standard) * 4,
+                       [NF_INET_PRE_ROUTING]   = 0,
+                       [NF_INET_LOCAL_IN]      = sizeof(struct ip6t_standard),
+                       [NF_INET_FORWARD]       = sizeof(struct ip6t_standard) * 2,
+                       [NF_INET_LOCAL_OUT]     = sizeof(struct ip6t_standard) * 3,
+                       [NF_INET_POST_ROUTING]  = sizeof(struct ip6t_standard) * 4,
                },
                .underflow = {
-                       [NF_IP6_PRE_ROUTING]    = 0,
-                       [NF_IP6_LOCAL_IN]       = sizeof(struct ip6t_standard),
-                       [NF_IP6_FORWARD]        = sizeof(struct ip6t_standard) * 2,
-                       [NF_IP6_LOCAL_OUT]      = sizeof(struct ip6t_standard) * 3,
-                       [NF_IP6_POST_ROUTING]   = sizeof(struct ip6t_standard) * 4,
+                       [NF_INET_PRE_ROUTING]   = 0,
+                       [NF_INET_LOCAL_IN]      = sizeof(struct ip6t_standard),
+                       [NF_INET_FORWARD]       = sizeof(struct ip6t_standard) * 2,
+                       [NF_INET_LOCAL_OUT]     = sizeof(struct ip6t_standard) * 3,
+                       [NF_INET_POST_ROUTING]  = sizeof(struct ip6t_standard) * 4,
                },
        },
        .entries = {
@@ -68,17 +68,17 @@ static struct xt_table packet_mangler = {
 /* The work comes in here from netfilter.c. */
 static unsigned int
 ip6t_route_hook(unsigned int hook,
-        struct sk_buff **pskb,
+        struct sk_buff *skb,
         const struct net_device *in,
         const struct net_device *out,
         int (*okfn)(struct sk_buff *))
 {
-       return ip6t_do_table(pskb, hook, in, out, &packet_mangler);
+       return ip6t_do_table(skb, hook, in, out, &packet_mangler);
 }
 
 static unsigned int
 ip6t_local_hook(unsigned int hook,
-                  struct sk_buff **pskb,
+                  struct sk_buff *skb,
                   const struct net_device *in,
                   const struct net_device *out,
                   int (*okfn)(struct sk_buff *))
@@ -91,8 +91,8 @@ ip6t_local_hook(unsigned int hook,
 
 #if 0
        /* root is playing with raw sockets. */
-       if ((*pskb)->len < sizeof(struct iphdr)
-           || ip_hdrlen(*pskb) < sizeof(struct iphdr)) {
+       if (skb->len < sizeof(struct iphdr)
+           || ip_hdrlen(skb) < sizeof(struct iphdr)) {
                if (net_ratelimit())
                        printk("ip6t_hook: happy cracking.\n");
                return NF_ACCEPT;
@@ -100,60 +100,60 @@ ip6t_local_hook(unsigned int hook,
 #endif
 
        /* save source/dest address, mark, hoplimit, flowlabel, priority,  */
-       memcpy(&saddr, &ipv6_hdr(*pskb)->saddr, sizeof(saddr));
-       memcpy(&daddr, &ipv6_hdr(*pskb)->daddr, sizeof(daddr));
-       mark = (*pskb)->mark;
-       hop_limit = ipv6_hdr(*pskb)->hop_limit;
+       memcpy(&saddr, &ipv6_hdr(skb)->saddr, sizeof(saddr));
+       memcpy(&daddr, &ipv6_hdr(skb)->daddr, sizeof(daddr));
+       mark = skb->mark;
+       hop_limit = ipv6_hdr(skb)->hop_limit;
 
        /* flowlabel and prio (includes version, which shouldn't change either */
-       flowlabel = *((u_int32_t *)ipv6_hdr(*pskb));
+       flowlabel = *((u_int32_t *)ipv6_hdr(skb));
 
-       ret = ip6t_do_table(pskb, hook, in, out, &packet_mangler);
+       ret = ip6t_do_table(skb, hook, in, out, &packet_mangler);
 
        if (ret != NF_DROP && ret != NF_STOLEN
-               && (memcmp(&ipv6_hdr(*pskb)->saddr, &saddr, sizeof(saddr))
-                   || memcmp(&ipv6_hdr(*pskb)->daddr, &daddr, sizeof(daddr))
-                   || (*pskb)->mark != mark
-                   || ipv6_hdr(*pskb)->hop_limit != hop_limit))
-               return ip6_route_me_harder(*pskb) == 0 ? ret : NF_DROP;
+               && (memcmp(&ipv6_hdr(skb)->saddr, &saddr, sizeof(saddr))
+                   || memcmp(&ipv6_hdr(skb)->daddr, &daddr, sizeof(daddr))
+                   || skb->mark != mark
+                   || ipv6_hdr(skb)->hop_limit != hop_limit))
+               return ip6_route_me_harder(skb) == 0 ? ret : NF_DROP;
 
        return ret;
 }
 
-static struct nf_hook_ops ip6t_ops[] = {
+static struct nf_hook_ops ip6t_ops[] __read_mostly = {
        {
                .hook           = ip6t_route_hook,
                .owner          = THIS_MODULE,
                .pf             = PF_INET6,
-               .hooknum        = NF_IP6_PRE_ROUTING,
+               .hooknum        = NF_INET_PRE_ROUTING,
                .priority       = NF_IP6_PRI_MANGLE,
        },
        {
                .hook           = ip6t_local_hook,
                .owner          = THIS_MODULE,
                .pf             = PF_INET6,
-               .hooknum        = NF_IP6_LOCAL_IN,
+               .hooknum        = NF_INET_LOCAL_IN,
                .priority       = NF_IP6_PRI_MANGLE,
        },
        {
                .hook           = ip6t_route_hook,
                .owner          = THIS_MODULE,
                .pf             = PF_INET6,
-               .hooknum        = NF_IP6_FORWARD,
+               .hooknum        = NF_INET_FORWARD,
                .priority       = NF_IP6_PRI_MANGLE,
        },
        {
                .hook           = ip6t_local_hook,
                .owner          = THIS_MODULE,
                .pf             = PF_INET6,
-               .hooknum        = NF_IP6_LOCAL_OUT,
+               .hooknum        = NF_INET_LOCAL_OUT,
                .priority       = NF_IP6_PRI_MANGLE,
        },
        {
                .hook           = ip6t_route_hook,
                .owner          = THIS_MODULE,
                .pf             = PF_INET6,
-               .hooknum        = NF_IP6_POST_ROUTING,
+               .hooknum        = NF_INET_POST_ROUTING,
                .priority       = NF_IP6_PRI_MANGLE,
        },
 };