ipv6 netns: Make several "global" sysctl variables namespace aware.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 30184e0..580ae50 100644 (file)
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1863,6 +1863,7 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
                struct inet6_ifaddr * ifp;
                struct in6_addr addr;
                int create = 0, update_lft = 0;
+               struct net *net = dev_net(dev);
 
                if (pinfo->prefix_len == 64) {
                        memcpy(&addr, &pinfo->prefix, 8);
@@ -1881,7 +1882,7 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
 
 ok:
 
-               ifp = ipv6_get_ifaddr(dev_net(dev), &addr, dev, 1);
+               ifp = ipv6_get_ifaddr(net, &addr, dev, 1);
 
                if (ifp == NULL && valid_lft) {
                        int max_addresses = in6_dev->cnf.max_addresses;
@@ -1889,7 +1890,7 @@ ok:
 
 #ifdef CONFIG_IPV6_OPTIMISTIC_DAD
                        if (in6_dev->cnf.optimistic_dad &&
-                           !ipv6_devconf.forwarding)
+                           !net->ipv6.devconf_all->forwarding)
                                addr_flags = IFA_F_OPTIMISTIC;
 #endif
 
@@ -2314,11 +2315,12 @@ static void init_loopback(struct net_device *dev)
 static void addrconf_add_linklocal(struct inet6_dev *idev, struct in6_addr *addr)
 {
        struct inet6_ifaddr * ifp;
+       struct net *net = dev_net(idev->dev);
        u32 addr_flags = IFA_F_PERMANENT;
 
 #ifdef CONFIG_IPV6_OPTIMISTIC_DAD
        if (idev->cnf.optimistic_dad &&
-           !ipv6_devconf.forwarding)
+           !net->ipv6.devconf_all->forwarding)
                addr_flags |= IFA_F_OPTIMISTIC;
 #endif
 

diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c
index 4e1b29f..8336cd8 100644 (file)
--- a/net/ipv6/anycast.c
+++ b/net/ipv6/anycast.c
@@ -60,7 +60,7 @@ int ipv6_sock_ac_join(struct sock *sk, int ifindex, struct in6_addr *addr)
        struct inet6_dev *idev;
        struct ipv6_ac_socklist *pac;
        struct net *net = sock_net(sk);
-       int     ishost = !ipv6_devconf.forwarding;
+       int     ishost = !net->ipv6.devconf_all->forwarding;
        int     err = 0;
 
        if (!capable(CAP_NET_ADMIN))

diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index 9f1084b..837c830 100644 (file)
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -319,7 +319,7 @@ static int ipv6_rthdr_rcv(struct sk_buff *skb)
        int n, i;
        struct ipv6_rt_hdr *hdr;
        struct rt0_hdr *rthdr;
-       int accept_source_route = ipv6_devconf.accept_source_route;
+       int accept_source_route = dev_net(skb->dev)->ipv6.devconf_all->accept_source_route;
 
        idev = in6_dev_get(skb->dev);
        if (idev) {

diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index ea81c61..7e14ccc 100644 (file)
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -249,7 +249,7 @@ int ip6_mc_input(struct sk_buff *skb)
        /*
         *      IPv6 multicast router mode is now supported ;)
         */
-       if (ipv6_devconf.mc_forwarding &&
+       if (dev_net(skb->dev)->ipv6.devconf_all->mc_forwarding &&
            likely(!(IP6CB(skb)->flags & IP6SKB_FORWARDED))) {
                /*
                 * Okay, we try to forward - split and duplicate

diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 0981c1e..6407c64 100644 (file)
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -411,7 +411,7 @@ int ip6_forward(struct sk_buff *skb)
        struct inet6_skb_parm *opt = IP6CB(skb);
        struct net *net = dev_net(dst->dev);
 
-       if (ipv6_devconf.forwarding == 0)
+       if (net->ipv6.devconf_all->forwarding == 0)
                goto error;
 
        if (skb_warn_if_lro(skb))
@@ -458,7 +458,7 @@ int ip6_forward(struct sk_buff *skb)
        }
 
        /* XXX: idev->cnf.proxy_ndp? */
-       if (ipv6_devconf.proxy_ndp &&
+       if (net->ipv6.devconf_all->proxy_ndp &&
            pneigh_lookup(&nd_tbl, net, &hdr->daddr, skb->dev, 0)) {
                int proxied = ip6_forward_proxy_check(skb);
                if (proxied > 0)

diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 8c6ea07..ea33b26 100644 (file)
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -1038,7 +1038,7 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
                        dst_release(dst);
                }
                if (val < 0)
-                       val = ipv6_devconf.hop_limit;
+                       val = sock_net(sk)->ipv6.devconf_all->hop_limit;
                break;
        }
 

diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index bd2fe4c..1b28537 100644 (file)
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -151,7 +151,7 @@ static int ip6_mc_leave_src(struct sock *sk, struct ipv6_mc_socklist *iml,
 #define IGMP6_UNSOLICITED_IVAL (10*HZ)
 #define MLD_QRV_DEFAULT                2
 
-#define MLD_V1_SEEN(idev) (ipv6_devconf.force_mld_version == 1 || \
+#define MLD_V1_SEEN(idev) (dev_net((idev)->dev)->ipv6.devconf_all->force_mld_version == 1 || \
                (idev)->cnf.force_mld_version == 1 || \
                ((idev)->mc_v1_seen && \
                time_before(jiffies, (idev)->mc_v1_seen)))

diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 282fdb3..beb48e3 100644 (file)
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -784,15 +784,17 @@ static void ndisc_recv_ns(struct sk_buff *skb)
 
                idev = ifp->idev;
        } else {
+               struct net *net = dev_net(dev);
+
                idev = in6_dev_get(dev);
                if (!idev) {
                        /* XXX: count this drop? */
                        return;
                }
 
-               if (ipv6_chk_acast_addr(dev_net(dev), dev, &msg->target) ||
+               if (ipv6_chk_acast_addr(net, dev, &msg->target) ||
                    (idev->cnf.forwarding &&
-                    (ipv6_devconf.proxy_ndp || idev->cnf.proxy_ndp) &&
+                    (net->ipv6.devconf_all->proxy_ndp || idev->cnf.proxy_ndp) &&
                     (is_router = pndisc_is_router(&msg->target, dev)) >= 0)) {
                        if (!(NEIGH_CB(skb)->flags & LOCALLY_ENQUEUED) &&
                            skb->pkt_type != PACKET_HOST &&
@@ -921,6 +923,7 @@ static void ndisc_recv_na(struct sk_buff *skb)
 
        if (neigh) {
                u8 old_flags = neigh->flags;
+               struct net *net = dev_net(dev);
 
                if (neigh->nud_state & NUD_FAILED)
                        goto out;
@@ -931,8 +934,8 @@ static void ndisc_recv_na(struct sk_buff *skb)
                 * has already sent a NA to us.
                 */
                if (lladdr && !memcmp(lladdr, dev->dev_addr, dev->addr_len) &&
-                   ipv6_devconf.forwarding && ipv6_devconf.proxy_ndp &&
-                   pneigh_lookup(&nd_tbl, dev_net(dev), &msg->target, dev, 0)) {
+                   net->ipv6.devconf_all->forwarding && net->ipv6.devconf_all->proxy_ndp &&
+                   pneigh_lookup(&nd_tbl, net, &msg->target, dev, 0)) {
                        /* XXX: idev->cnf.prixy_ndp */
                        goto out;
                }

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index cb8a512..615b328 100644 (file)
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -676,7 +676,7 @@ static struct rt6_info *ip6_pol_route(struct net *net, struct fib6_table *table,
        int strict = 0;
        int attempts = 3;
        int err;
-       int reachable = ipv6_devconf.forwarding ? 0 : RT6_LOOKUP_F_REACHABLE;
+       int reachable = net->ipv6.devconf_all->forwarding ? 0 : RT6_LOOKUP_F_REACHABLE;
 
        strict |= flags & RT6_LOOKUP_F_IFACE;
 
@@ -1058,7 +1058,7 @@ int ip6_dst_hoplimit(struct dst_entry *dst)
                        hoplimit = idev->cnf.hop_limit;
                        in6_dev_put(idev);
                } else
-                       hoplimit = ipv6_devconf.hop_limit;
+                       hoplimit = dev_net(dev)->ipv6.devconf_all->hop_limit;
        }
        return hoplimit;
 }