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[NETNS][IPV6] ndisc - make ndisc handle multiple network namespaces 

Make ndisc handle multiple network namespaces: 
Remove references to init_net, add network namespace parameters and add 
pernet_operations for ndisc

Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: Benjamin Thery <benjamin.thery@bull.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daniel Lezcano 2008-03-07 11:14:49 -08:00 committed by David S. Miller
parent 8a3edd800d
commit a18bc6959d
1 changed files with 12 additions and 12 deletions
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24
net/ipv6/ndisc.c
View File

@ -541,7 +541,7 @@ static void ndisc_send_na(struct net_device *dev, struct neighbour *neigh,
};
/* for anycast or proxy, solicited_addr != src_addr */
ifp = ipv6_get_ifaddr(&init_net, solicited_addr, dev, 1);
ifp = ipv6_get_ifaddr(dev->nd_net, solicited_addr, dev, 1);
if (ifp) {
src_addr = solicited_addr;
if (ifp->flags & IFA_F_OPTIMISTIC)
@ -601,7 +601,7 @@ void ndisc_send_rs(struct net_device *dev, struct in6_addr *saddr,
* suppress the inclusion of the sllao.
*/
if (send_sllao) {
struct inet6_ifaddr *ifp = ipv6_get_ifaddr(&init_net, saddr,
struct inet6_ifaddr *ifp = ipv6_get_ifaddr(dev->nd_net, saddr,
dev, 1);
if (ifp) {
if (ifp->flags & IFA_F_OPTIMISTIC) {
@ -639,7 +639,7 @@ static void ndisc_solicit(struct neighbour *neigh, struct sk_buff *skb)
struct in6_addr *target = (struct in6_addr *)&neigh->primary_key;
int probes = atomic_read(&neigh->probes);
if (skb && ipv6_chk_addr(&init_net, &ipv6_hdr(skb)->saddr, dev, 1))
if (skb && ipv6_chk_addr(dev->nd_net, &ipv6_hdr(skb)->saddr, dev, 1))
saddr = &ipv6_hdr(skb)->saddr;
if ((probes -= neigh->parms->ucast_probes) < 0) {
@ -727,7 +727,8 @@ static void ndisc_recv_ns(struct sk_buff *skb)
inc = ipv6_addr_is_multicast(daddr);
if ((ifp = ipv6_get_ifaddr(&init_net, &msg->target, dev, 1)) != NULL) {
ifp = ipv6_get_ifaddr(dev->nd_net, &msg->target, dev, 1);
if (ifp) {
if (ifp->flags & (IFA_F_TENTATIVE|IFA_F_OPTIMISTIC)) {
if (dad) {
@ -775,7 +776,7 @@ static void ndisc_recv_ns(struct sk_buff *skb)
if (ipv6_chk_acast_addr(dev, &msg->target) ||
(idev->cnf.forwarding &&
(ipv6_devconf.proxy_ndp || idev->cnf.proxy_ndp) &&
(pneigh = pneigh_lookup(&nd_tbl, &init_net,
(pneigh = pneigh_lookup(&nd_tbl, dev->nd_net,
&msg->target, dev, 0)) != NULL)) {
if (!(NEIGH_CB(skb)->flags & LOCALLY_ENQUEUED) &&
skb->pkt_type != PACKET_HOST &&
@ -885,7 +886,8 @@ static void ndisc_recv_na(struct sk_buff *skb)
return;
}
}
if ((ifp = ipv6_get_ifaddr(&init_net, &msg->target, dev, 1))) {
ifp = ipv6_get_ifaddr(dev->nd_net, &msg->target, dev, 1);
if (ifp) {
if (ifp->flags & IFA_F_TENTATIVE) {
addrconf_dad_failure(ifp);
return;
@ -916,7 +918,7 @@ static void ndisc_recv_na(struct sk_buff *skb)
*/
if (lladdr && !memcmp(lladdr, dev->dev_addr, dev->addr_len) &&
ipv6_devconf.forwarding && ipv6_devconf.proxy_ndp &&
pneigh_lookup(&nd_tbl, &init_net, &msg->target, dev, 0)) {
pneigh_lookup(&nd_tbl, dev->nd_net, &msg->target, dev, 0)) {
/* XXX: idev->cnf.prixy_ndp */
goto out;
}
@ -1006,6 +1008,7 @@ static void ndisc_ra_useropt(struct sk_buff *ra, struct nd_opt_hdr *opt)
struct sk_buff *skb;
struct nlmsghdr *nlh;
struct nduseroptmsg *ndmsg;
struct net *net = ra->dev->nd_net;
int err;
int base_size = NLMSG_ALIGN(sizeof(struct nduseroptmsg)
+ (opt->nd_opt_len << 3));
@ -1035,7 +1038,7 @@ static void ndisc_ra_useropt(struct sk_buff *ra, struct nd_opt_hdr *opt)
&ipv6_hdr(ra)->saddr);
nlmsg_end(skb, nlh);
err = rtnl_notify(skb, &init_net, 0, RTNLGRP_ND_USEROPT, NULL,
err = rtnl_notify(skb, net, 0, RTNLGRP_ND_USEROPT, NULL,
GFP_ATOMIC);
if (err < 0)
goto errout;
@ -1046,7 +1049,7 @@ nla_put_failure:
nlmsg_free(skb);
err = -EMSGSIZE;
errout:
rtnl_set_sk_err(&init_net, RTNLGRP_ND_USEROPT, err);
rtnl_set_sk_err(net, RTNLGRP_ND_USEROPT, err);
}
static void ndisc_router_discovery(struct sk_buff *skb)
@ -1600,9 +1603,6 @@ static int ndisc_netdev_event(struct notifier_block *this, unsigned long event,
struct net_device *dev = ptr;
struct net *net = dev->nd_net;
if (dev->nd_net != &init_net)
return NOTIFY_DONE;
switch (event) {
case NETDEV_CHANGEADDR:
neigh_changeaddr(&nd_tbl, dev);