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

[net-next-2.6.git] / net / ipv6 / exthdrs.c

diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index 1e89efd38a0c6094317495cce83e9add082e69f5..837c830d6d8ec41126be5b376a5d2e2fe3ce44fe 100644 (file)
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -7,8 +7,6 @@
  *     Andi Kleen              <ak@muc.de>
  *     Alexey Kuznetsov        <kuznet@ms2.inr.ac.ru>
  *
- *     $Id: exthdrs.c,v 1.13 2001/06/19 15:58:56 davem Exp $
- *
  *     This program is free software; you can redistribute it and/or
  *      modify it under the terms of the GNU General Public License
  *      as published by the Free Software Foundation; either version
@@ -32,6 +30,7 @@
 #include <linux/in6.h>
 #include <linux/icmpv6.h>
 
+#include <net/dst.h>
 #include <net/sock.h>
 #include <net/snmp.h>
 
@@ -307,38 +306,6 @@ static int ipv6_destopt_rcv(struct sk_buff *skb)
        return -1;
 }
 
-static struct inet6_protocol destopt_protocol = {
-       .handler        =       ipv6_destopt_rcv,
-       .flags          =       INET6_PROTO_NOPOLICY | INET6_PROTO_GSO_EXTHDR,
-};
-
-void __init ipv6_destopt_init(void)
-{
-       if (inet6_add_protocol(&destopt_protocol, IPPROTO_DSTOPTS) < 0)
-               printk(KERN_ERR "ipv6_destopt_init: Could not register protocol\n");
-}
-
-/********************************
-  NONE header. No data in packet.
- ********************************/
-
-static int ipv6_nodata_rcv(struct sk_buff *skb)
-{
-       kfree_skb(skb);
-       return 0;
-}
-
-static struct inet6_protocol nodata_protocol = {
-       .handler        =       ipv6_nodata_rcv,
-       .flags          =       INET6_PROTO_NOPOLICY,
-};
-
-void __init ipv6_nodata_init(void)
-{
-       if (inet6_add_protocol(&nodata_protocol, IPPROTO_NONE) < 0)
-               printk(KERN_ERR "ipv6_nodata_init: Could not register protocol\n");
-}
-
 /********************************
   Routing header.
  ********************************/
@@ -352,7 +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) {
@@ -476,7 +443,7 @@ looped_back:
                        kfree_skb(skb);
                        return -1;
                }
-               if (!ipv6_chk_home_addr(addr)) {
+               if (!ipv6_chk_home_addr(dev_net(skb->dst->dev), addr)) {
                        IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
                                         IPSTATS_MIB_INADDRERRORS);
                        kfree_skb(skb);
@@ -536,12 +503,48 @@ static struct inet6_protocol rthdr_protocol = {
        .flags          =       INET6_PROTO_NOPOLICY | INET6_PROTO_GSO_EXTHDR,
 };
 
-void __init ipv6_rthdr_init(void)
+static struct inet6_protocol destopt_protocol = {
+       .handler        =       ipv6_destopt_rcv,
+       .flags          =       INET6_PROTO_NOPOLICY | INET6_PROTO_GSO_EXTHDR,
+};
+
+static struct inet6_protocol nodata_protocol = {
+       .handler        =       dst_discard,
+       .flags          =       INET6_PROTO_NOPOLICY,
+};
+
+int __init ipv6_exthdrs_init(void)
 {
-       if (inet6_add_protocol(&rthdr_protocol, IPPROTO_ROUTING) < 0)
-               printk(KERN_ERR "ipv6_rthdr_init: Could not register protocol\n");
+       int ret;
+
+       ret = inet6_add_protocol(&rthdr_protocol, IPPROTO_ROUTING);
+       if (ret)
+               goto out;
+
+       ret = inet6_add_protocol(&destopt_protocol, IPPROTO_DSTOPTS);
+       if (ret)
+               goto out_rthdr;
+
+       ret = inet6_add_protocol(&nodata_protocol, IPPROTO_NONE);
+       if (ret)
+               goto out_destopt;
+
+out:
+       return ret;
+out_rthdr:
+       inet6_del_protocol(&rthdr_protocol, IPPROTO_ROUTING);
+out_destopt:
+       inet6_del_protocol(&destopt_protocol, IPPROTO_DSTOPTS);
+       goto out;
 };
 
+void ipv6_exthdrs_exit(void)
+{
+       inet6_del_protocol(&nodata_protocol, IPPROTO_NONE);
+       inet6_del_protocol(&destopt_protocol, IPPROTO_DSTOPTS);
+       inet6_del_protocol(&rthdr_protocol, IPPROTO_ROUTING);
+}
+
 /**********************************
   Hop-by-hop options.
  **********************************/