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yaml
---
r: 90032
b: refs/heads/master
c: 6fda735
h: refs/heads/master
v: v3
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Benjamin Thery authored and David S. Miller committed Mar 5, 2008
1 parent 9fb0e32 commit e971b31
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Showing 2 changed files with 51 additions and 64 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: af2849377e7b70afa1274e475be50286cd0ef6eb
refs/heads/master: 6fda73500581be531fd9bc232173332ec64f6435
113 changes: 50 additions & 63 deletions trunk/net/ipv6/addrconf.c
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Original file line number Diff line number Diff line change
Expand Up @@ -561,7 +561,7 @@ ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr, int pfxlen,
write_lock(&addrconf_hash_lock);

/* Ignore adding duplicate addresses on an interface */
if (ipv6_chk_same_addr(&init_net, addr, idev->dev)) {
if (ipv6_chk_same_addr(idev->dev->nd_net, addr, idev->dev)) {
ADBG(("ipv6_add_addr: already assigned\n"));
err = -EEXIST;
goto out;
Expand Down Expand Up @@ -751,9 +751,9 @@ static void ipv6_del_addr(struct inet6_ifaddr *ifp)
if ((ifp->flags & IFA_F_PERMANENT) && onlink < 1) {
struct in6_addr prefix;
struct rt6_info *rt;

struct net *net = ifp->idev->dev->nd_net;
ipv6_addr_prefix(&prefix, &ifp->addr, ifp->prefix_len);
rt = rt6_lookup(&init_net, &prefix, NULL, ifp->idev->dev->ifindex, 1);
rt = rt6_lookup(net, &prefix, NULL, ifp->idev->dev->ifindex, 1);

if (rt && ((rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0)) {
if (onlink == 0) {
Expand Down Expand Up @@ -905,6 +905,7 @@ int ipv6_dev_get_saddr(struct net_device *daddr_dev,
{
struct ipv6_saddr_score hiscore;
struct inet6_ifaddr *ifa_result = NULL;
struct net *net = daddr_dev->nd_net;
int daddr_type = __ipv6_addr_type(daddr);
int daddr_scope = __ipv6_addr_src_scope(daddr_type);
int daddr_ifindex = daddr_dev ? daddr_dev->ifindex : 0;
Expand All @@ -916,7 +917,7 @@ int ipv6_dev_get_saddr(struct net_device *daddr_dev,
read_lock(&dev_base_lock);
rcu_read_lock();

for_each_netdev(&init_net, dev) {
for_each_netdev(net, dev) {
struct inet6_dev *idev;
struct inet6_ifaddr *ifa;

Expand Down Expand Up @@ -1555,7 +1556,7 @@ addrconf_prefix_route(struct in6_addr *pfx, int plen, struct net_device *dev,
.fc_expires = expires,
.fc_dst_len = plen,
.fc_flags = RTF_UP | flags,
.fc_nlinfo.nl_net = &init_net,
.fc_nlinfo.nl_net = dev->nd_net,
};

ipv6_addr_copy(&cfg.fc_dst, pfx);
Expand All @@ -1582,7 +1583,7 @@ static void addrconf_add_mroute(struct net_device *dev)
.fc_ifindex = dev->ifindex,
.fc_dst_len = 8,
.fc_flags = RTF_UP,
.fc_nlinfo.nl_net = &init_net,
.fc_nlinfo.nl_net = dev->nd_net,
};

ipv6_addr_set(&cfg.fc_dst, htonl(0xFF000000), 0, 0, 0);
Expand All @@ -1599,7 +1600,7 @@ static void sit_route_add(struct net_device *dev)
.fc_ifindex = dev->ifindex,
.fc_dst_len = 96,
.fc_flags = RTF_UP | RTF_NONEXTHOP,
.fc_nlinfo.nl_net = &init_net,
.fc_nlinfo.nl_net = dev->nd_net,
};

/* prefix length - 96 bits "::d.d.d.d" */
Expand Down Expand Up @@ -1700,7 +1701,8 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)

if (pinfo->onlink) {
struct rt6_info *rt;
rt = rt6_lookup(&init_net, &pinfo->prefix, NULL, dev->ifindex, 1);
rt = rt6_lookup(dev->nd_net, &pinfo->prefix, NULL,
dev->ifindex, 1);

if (rt && ((rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0)) {
if (rt->rt6i_flags&RTF_EXPIRES) {
Expand Down Expand Up @@ -1743,7 +1745,7 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)

ok:

ifp = ipv6_get_ifaddr(&init_net, &addr, dev, 1);
ifp = ipv6_get_ifaddr(dev->nd_net, &addr, dev, 1);

if (ifp == NULL && valid_lft) {
int max_addresses = in6_dev->cnf.max_addresses;
Expand Down Expand Up @@ -2066,6 +2068,7 @@ static void sit_add_v4_addrs(struct inet6_dev *idev)
struct inet6_ifaddr * ifp;
struct in6_addr addr;
struct net_device *dev;
struct net *net = idev->dev->nd_net;
int scope;

ASSERT_RTNL();
Expand All @@ -2092,7 +2095,7 @@ static void sit_add_v4_addrs(struct inet6_dev *idev)
return;
}

for_each_netdev(&init_net, dev) {
for_each_netdev(net, dev) {
struct in_device * in_dev = __in_dev_get_rtnl(dev);
if (in_dev && (dev->flags & IFF_UP)) {
struct in_ifaddr * ifa;
Expand Down Expand Up @@ -2255,15 +2258,16 @@ ipv6_inherit_linklocal(struct inet6_dev *idev, struct net_device *link_dev)
static void ip6_tnl_add_linklocal(struct inet6_dev *idev)
{
struct net_device *link_dev;
struct net *net = idev->dev->nd_net;

/* first try to inherit the link-local address from the link device */
if (idev->dev->iflink &&
(link_dev = __dev_get_by_index(&init_net, idev->dev->iflink))) {
(link_dev = __dev_get_by_index(net, idev->dev->iflink))) {
if (!ipv6_inherit_linklocal(idev, link_dev))
return;
}
/* then try to inherit it from any device */
for_each_netdev(&init_net, link_dev) {
for_each_netdev(net, link_dev) {
if (!ipv6_inherit_linklocal(idev, link_dev))
return;
}
Expand Down Expand Up @@ -2296,9 +2300,6 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
int run_pending = 0;
int err;

if (dev->nd_net != &init_net)
return NOTIFY_DONE;

switch(event) {
case NETDEV_REGISTER:
if (!idev && dev->mtu >= IPV6_MIN_MTU) {
Expand Down Expand Up @@ -3056,9 +3057,6 @@ inet6_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
struct in6_addr *pfx;
int err;

if (net != &init_net)
return -EINVAL;

err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv6_policy);
if (err < 0)
return err;
Expand Down Expand Up @@ -3121,9 +3119,6 @@ inet6_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
u8 ifa_flags;
int err;

if (net != &init_net)
return -EINVAL;

err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv6_policy);
if (err < 0)
return err;
Expand Down Expand Up @@ -3324,12 +3319,13 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
struct inet6_ifaddr *ifa;
struct ifmcaddr6 *ifmca;
struct ifacaddr6 *ifaca;
struct net *net = skb->sk->sk_net;

s_idx = cb->args[0];
s_ip_idx = ip_idx = cb->args[1];

idx = 0;
for_each_netdev(&init_net, dev) {
for_each_netdev(net, dev) {
if (idx < s_idx)
goto cont;
if (idx > s_idx)
Expand Down Expand Up @@ -3396,35 +3392,23 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,

static int inet6_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
{
struct net *net = skb->sk->sk_net;
enum addr_type_t type = UNICAST_ADDR;

if (net != &init_net)
return 0;

return inet6_dump_addr(skb, cb, type);
}

static int inet6_dump_ifmcaddr(struct sk_buff *skb, struct netlink_callback *cb)
{
struct net *net = skb->sk->sk_net;
enum addr_type_t type = MULTICAST_ADDR;

if (net != &init_net)
return 0;

return inet6_dump_addr(skb, cb, type);
}


static int inet6_dump_ifacaddr(struct sk_buff *skb, struct netlink_callback *cb)
{
struct net *net = skb->sk->sk_net;
enum addr_type_t type = ANYCAST_ADDR;

if (net != &init_net)
return 0;

return inet6_dump_addr(skb, cb, type);
}

Expand All @@ -3440,9 +3424,6 @@ static int inet6_rtm_getaddr(struct sk_buff *in_skb, struct nlmsghdr* nlh,
struct sk_buff *skb;
int err;

if (net != &init_net)
return -EINVAL;

err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv6_policy);
if (err < 0)
goto errout;
Expand All @@ -3455,7 +3436,7 @@ static int inet6_rtm_getaddr(struct sk_buff *in_skb, struct nlmsghdr* nlh,

ifm = nlmsg_data(nlh);
if (ifm->ifa_index)
dev = __dev_get_by_index(&init_net, ifm->ifa_index);
dev = __dev_get_by_index(net, ifm->ifa_index);

if ((ifa = ipv6_get_ifaddr(net, addr, dev, 1)) == NULL) {
err = -EADDRNOTAVAIL;
Expand All @@ -3475,7 +3456,7 @@ static int inet6_rtm_getaddr(struct sk_buff *in_skb, struct nlmsghdr* nlh,
kfree_skb(skb);
goto errout_ifa;
}
err = rtnl_unicast(skb, &init_net, NETLINK_CB(in_skb).pid);
err = rtnl_unicast(skb, net, NETLINK_CB(in_skb).pid);
errout_ifa:
in6_ifa_put(ifa);
errout:
Expand All @@ -3485,6 +3466,7 @@ static int inet6_rtm_getaddr(struct sk_buff *in_skb, struct nlmsghdr* nlh,
static void inet6_ifa_notify(int event, struct inet6_ifaddr *ifa)
{
struct sk_buff *skb;
struct net *net = ifa->idev->dev->nd_net;
int err = -ENOBUFS;

skb = nlmsg_new(inet6_ifaddr_msgsize(), GFP_ATOMIC);
Expand All @@ -3498,10 +3480,10 @@ static void inet6_ifa_notify(int event, struct inet6_ifaddr *ifa)
kfree_skb(skb);
goto errout;
}
err = rtnl_notify(skb, &init_net, 0, RTNLGRP_IPV6_IFADDR, NULL, GFP_ATOMIC);
err = rtnl_notify(skb, net, 0, RTNLGRP_IPV6_IFADDR, NULL, GFP_ATOMIC);
errout:
if (err < 0)
rtnl_set_sk_err(&init_net, RTNLGRP_IPV6_IFADDR, err);
rtnl_set_sk_err(net, RTNLGRP_IPV6_IFADDR, err);
}

static inline void ipv6_store_devconf(struct ipv6_devconf *cnf,
Expand Down Expand Up @@ -3666,12 +3648,9 @@ static int inet6_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
struct net_device *dev;
struct inet6_dev *idev;

if (net != &init_net)
return 0;

read_lock(&dev_base_lock);
idx = 0;
for_each_netdev(&init_net, dev) {
for_each_netdev(net, dev) {
if (idx < s_idx)
goto cont;
if ((idev = in6_dev_get(dev)) == NULL)
Expand All @@ -3693,6 +3672,7 @@ static int inet6_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
void inet6_ifinfo_notify(int event, struct inet6_dev *idev)
{
struct sk_buff *skb;
struct net *net = idev->dev->nd_net;
int err = -ENOBUFS;

skb = nlmsg_new(inet6_if_nlmsg_size(), GFP_ATOMIC);
Expand All @@ -3706,10 +3686,10 @@ void inet6_ifinfo_notify(int event, struct inet6_dev *idev)
kfree_skb(skb);
goto errout;
}
err = rtnl_notify(skb, &init_net, 0, RTNLGRP_IPV6_IFADDR, NULL, GFP_ATOMIC);
err = rtnl_notify(skb, net, 0, RTNLGRP_IPV6_IFADDR, NULL, GFP_ATOMIC);
errout:
if (err < 0)
rtnl_set_sk_err(&init_net, RTNLGRP_IPV6_IFADDR, err);
rtnl_set_sk_err(net, RTNLGRP_IPV6_IFADDR, err);
}

static inline size_t inet6_prefix_nlmsg_size(void)
Expand Down Expand Up @@ -3762,6 +3742,7 @@ static void inet6_prefix_notify(int event, struct inet6_dev *idev,
struct prefix_info *pinfo)
{
struct sk_buff *skb;
struct net *net = idev->dev->nd_net;
int err = -ENOBUFS;

skb = nlmsg_new(inet6_prefix_nlmsg_size(), GFP_ATOMIC);
Expand All @@ -3775,10 +3756,10 @@ static void inet6_prefix_notify(int event, struct inet6_dev *idev,
kfree_skb(skb);
goto errout;
}
err = rtnl_notify(skb, &init_net, 0, RTNLGRP_IPV6_PREFIX, NULL, GFP_ATOMIC);
err = rtnl_notify(skb, net, 0, RTNLGRP_IPV6_PREFIX, NULL, GFP_ATOMIC);
errout:
if (err < 0)
rtnl_set_sk_err(&init_net, RTNLGRP_IPV6_PREFIX, err);
rtnl_set_sk_err(net, RTNLGRP_IPV6_PREFIX, err);
}

static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp)
Expand Down Expand Up @@ -4276,7 +4257,26 @@ static int addrconf_net_init(struct net *net)

static void addrconf_net_exit(struct net *net)
{
;
struct net_device *dev;

/*
* Remove loopback references from default routing entries
*/
/* in6_dev_put(net->ipv6.ip6_null_entry->rt6i_idev); */
/* #ifdef CONFIG_IPV6_MULTIPLE_TABLES */
/* in6_dev_put(net->ipv6.ip6_prohibit_entry->rt6i_idev); */
/* in6_dev_put(net->ipv6.ip6_blk_hole_entry->rt6i_idev); */
/* #endif */

rtnl_lock();
/* clean dev list */
for_each_netdev(net, dev) {
if (__in6_dev_get(dev) == NULL)
continue;
addrconf_ifdown(dev, 1);
}
addrconf_ifdown(net->loopback_dev, 2);
rtnl_unlock();
}

static struct pernet_operations addrconf_net_ops = {
Expand Down Expand Up @@ -4357,7 +4357,6 @@ int __init addrconf_init(void)

void addrconf_cleanup(void)
{
struct net_device *dev;
struct inet6_ifaddr *ifa;
int i;

Expand All @@ -4368,21 +4367,9 @@ void addrconf_cleanup(void)

rtnl_lock();

/*
* clean dev list.
*/

for_each_netdev(&init_net, dev) {
if (__in6_dev_get(dev) == NULL)
continue;
addrconf_ifdown(dev, 1);
}
addrconf_ifdown(init_net.loopback_dev, 2);

/*
* Check hash table.
*/

write_lock_bh(&addrconf_hash_lock);
for (i=0; i < IN6_ADDR_HSIZE; i++) {
for (ifa=inet6_addr_lst[i]; ifa; ) {
Expand Down

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