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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>
This commit is contained in:
YOSHIFUJI Hideaki 2008-07-19 22:35:03 -07:00 committed by David S. Miller
parent 721499e893
commit 53b7997fd5
9 changed files with 21 additions and 16 deletions
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8
net/ipv6/addrconf.c
View File

@ -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

2
net/ipv6/anycast.c
View File

@ -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))

2
net/ipv6/exthdrs.c
View File

@ -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) {

2
net/ipv6/ip6_input.c
View File

@ -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

4
net/ipv6/ip6_output.c
View File

@ -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)

2
net/ipv6/ipv6_sockglue.c
View File

@ -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;
}

2
net/ipv6/mcast.c
View File

@ -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)))

11
net/ipv6/ndisc.c
View File

@ -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;
}

4
net/ipv6/route.c
View File

@ -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;
}