ndisc: Add missing strategies for per-device retrans timer/reachable time settings.

[safe/jmp/linux-2.6] / net / ipv6 / ndisc.c

diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index c400b87..282fdb3 100644 (file)
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -84,6 +84,7 @@
 
 #include <net/flow.h>
 #include <net/ip6_checksum.h>
+#include <net/inet_common.h>
 #include <linux/proc_fs.h>
 
 #include <linux/netfilter.h>
@@ -441,8 +442,9 @@ static void pndisc_destructor(struct pneigh_entry *n)
  */
 static void __ndisc_send(struct net_device *dev,
                         struct neighbour *neigh,
-                        struct in6_addr *daddr, struct in6_addr *saddr,
-                        struct icmp6hdr *icmp6h, struct in6_addr *target,
+                        const struct in6_addr *daddr,
+                        const struct in6_addr *saddr,
+                        struct icmp6hdr *icmp6h, const struct in6_addr *target,
                         int llinfo)
 {
        struct flowi fl;
@@ -477,7 +479,7 @@ static void __ndisc_send(struct net_device *dev,
 
        skb = sock_alloc_send_skb(sk,
                                  (MAX_HEADER + sizeof(struct ipv6hdr) +
-                                  len + LL_RESERVED_SPACE(dev)),
+                                  len + LL_ALLOCATED_SPACE(dev)),
                                  1, &err);
        if (!skb) {
                ND_PRINTK0(KERN_ERR
@@ -528,12 +530,13 @@ static void __ndisc_send(struct net_device *dev,
 }
 
 static void ndisc_send_na(struct net_device *dev, struct neighbour *neigh,
-                  struct in6_addr *daddr, struct in6_addr *solicited_addr,
-                  int router, int solicited, int override, int inc_opt)
+                         const struct in6_addr *daddr,
+                         const struct in6_addr *solicited_addr,
+                         int router, int solicited, int override, int inc_opt)
 {
        struct in6_addr tmpaddr;
        struct inet6_ifaddr *ifp;
-       struct in6_addr *src_addr;
+       const struct in6_addr *src_addr;
        struct icmp6hdr icmp6h = {
                .icmp6_type = NDISC_NEIGHBOUR_ADVERTISEMENT,
        };
@@ -563,8 +566,8 @@ static void ndisc_send_na(struct net_device *dev, struct neighbour *neigh,
 }
 
 void ndisc_send_ns(struct net_device *dev, struct neighbour *neigh,
-                  struct in6_addr *solicit,
-                  struct in6_addr *daddr, struct in6_addr *saddr)
+                  const struct in6_addr *solicit,
+                  const struct in6_addr *daddr, const struct in6_addr *saddr)
 {
        struct in6_addr addr_buf;
        struct icmp6hdr icmp6h = {
@@ -583,8 +586,8 @@ void ndisc_send_ns(struct net_device *dev, struct neighbour *neigh,
                     !ipv6_addr_any(saddr) ? ND_OPT_SOURCE_LL_ADDR : 0);
 }
 
-void ndisc_send_rs(struct net_device *dev, struct in6_addr *saddr,
-                  struct in6_addr *daddr)
+void ndisc_send_rs(struct net_device *dev, const struct in6_addr *saddr,
+                  const struct in6_addr *daddr)
 {
        struct icmp6hdr icmp6h = {
                .icmp6_type = NDISC_ROUTER_SOLICITATION,
@@ -815,10 +818,7 @@ static void ndisc_recv_ns(struct sk_buff *skb)
                is_router = !!idev->cnf.forwarding;
 
        if (dad) {
-               struct in6_addr maddr;
-
-               ipv6_addr_all_nodes(&maddr);
-               ndisc_send_na(dev, NULL, &maddr, &msg->target,
+               ndisc_send_na(dev, NULL, &in6addr_linklocal_allnodes, &msg->target,
                              is_router, 0, (ifp != NULL), 1);
                goto out;
        }
@@ -1446,7 +1446,7 @@ static void ndisc_redirect_rcv(struct sk_buff *skb)
 }
 
 void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
-                        struct in6_addr *target)
+                        const struct in6_addr *target)
 {
        struct net_device *dev = skb->dev;
        struct net *net = dev_net(dev);
@@ -1521,7 +1521,7 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
 
        buff = sock_alloc_send_skb(sk,
                                   (MAX_HEADER + sizeof(struct ipv6hdr) +
-                                   len + LL_RESERVED_SPACE(dev)),
+                                   len + LL_ALLOCATED_SPACE(dev)),
                                   1, &err);
        if (buff == NULL) {
                ND_PRINTK0(KERN_ERR
@@ -1727,10 +1727,10 @@ int ndisc_ifinfo_sysctl_change(struct ctl_table *ctl, int write, struct file * f
        return ret;
 }
 
-static int ndisc_ifinfo_sysctl_strategy(ctl_table *ctl, int __user *name,
-                                       int nlen, void __user *oldval,
-                                       size_t __user *oldlenp,
-                                       void __user *newval, size_t newlen)
+int ndisc_ifinfo_sysctl_strategy(ctl_table *ctl, int __user *name,
+                                int nlen, void __user *oldval,
+                                size_t __user *oldlenp,
+                                void __user *newval, size_t newlen)
 {
        struct net_device *dev = ctl->extra1;
        struct inet6_dev *idev;
@@ -1771,12 +1771,12 @@ static int ndisc_ifinfo_sysctl_strategy(ctl_table *ctl, int __user *name,
 
 static int ndisc_net_init(struct net *net)
 {
-       struct socket *sock;
        struct ipv6_pinfo *np;
        struct sock *sk;
        int err;
 
-       err = sock_create_kern(PF_INET6, SOCK_RAW, IPPROTO_ICMPV6, &sock);
+       err = inet_ctl_sock_create(&sk, PF_INET6,
+                                  SOCK_RAW, IPPROTO_ICMPV6, net);
        if (err < 0) {
                ND_PRINTK0(KERN_ERR
                           "ICMPv6 NDISC: Failed to initialize the control socket (err %d).\n",
@@ -1784,22 +1784,19 @@ static int ndisc_net_init(struct net *net)
                return err;
        }
 
-       net->ipv6.ndisc_sk = sk = sock->sk;
-       sk_change_net(sk, net);
+       net->ipv6.ndisc_sk = sk;
 
        np = inet6_sk(sk);
-       sk->sk_allocation = GFP_ATOMIC;
        np->hop_limit = 255;
        /* Do not loopback ndisc messages */
        np->mc_loop = 0;
-       sk->sk_prot->unhash(sk);
 
        return 0;
 }
 
 static void ndisc_net_exit(struct net *net)
 {
-       sk_release_kernel(net->ipv6.ndisc_sk);
+       inet_ctl_sock_destroy(net->ipv6.ndisc_sk);
 }
 
 static struct pernet_operations ndisc_net_ops = {