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OpenCloudOS-Kernel
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[NETNS]: Process IP layer in the context of the correct namespace. 

Replace all the rest of the init_net with a proper net on the IP layer.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Denis V. Lunev 2008-03-24 15:31:00 -07:00 committed by David S. Miller
parent 7a6adb92fe
commit cb84663e4d
5 changed files with 14 additions and 8 deletions
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5
net/ipv4/ip_fragment.c
View File

@ -204,8 +204,11 @@ static void ip_expire(unsigned long arg)
if ((qp->q.last_in&FIRST_IN) && qp->q.fragments != NULL) {
struct sk_buff *head = qp->q.fragments;
struct net *net;
net = container_of(qp->q.net, struct net, ipv4.frags);
/* Send an ICMP "Fragment Reassembly Timeout" message. */
if ((head->dev = dev_get_by_index(&init_net, qp->iif)) != NULL) {
if ((head->dev = dev_get_by_index(net, qp->iif)) != NULL) {
icmp_send(head, ICMP_TIME_EXCEEDED, ICMP_EXC_FRAGTIME, 0);
dev_put(head->dev);
}

6
net/ipv4/ip_input.c
View File

@ -160,6 +160,7 @@ int ip_call_ra_chain(struct sk_buff *skb)
struct ip_ra_chain *ra;
u8 protocol = ip_hdr(skb)->protocol;
struct sock *last = NULL;
struct net_device *dev = skb->dev;
read_lock(&ip_ra_lock);
for (ra = ip_ra_chain; ra; ra = ra->next) {
@ -170,7 +171,8 @@ int ip_call_ra_chain(struct sk_buff *skb)
*/
if (sk && inet_sk(sk)->num == protocol &&
(!sk->sk_bound_dev_if ||
sk->sk_bound_dev_if == skb->dev->ifindex)) {
sk->sk_bound_dev_if == dev->ifindex) &&
sk->sk_net == dev->nd_net) {
if (ip_hdr(skb)->frag_off & htons(IP_MF | IP_OFFSET)) {
if (ip_defrag(skb, IP_DEFRAG_CALL_RA_CHAIN)) {
read_unlock(&ip_ra_lock);
@ -286,7 +288,7 @@ static inline int ip_rcv_options(struct sk_buff *skb)
opt = &(IPCB(skb)->opt);
opt->optlen = iph->ihl*4 - sizeof(struct iphdr);
if (ip_options_compile(&init_net, opt, skb)) {
if (ip_options_compile(dev->nd_net, opt, skb)) {
IP_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS);
goto drop;
}

2
net/ipv4/ip_options.c
View File

@ -145,7 +145,7 @@ int ip_options_echo(struct ip_options * dopt, struct sk_buff * skb)
__be32 addr;
memcpy(&addr, sptr+soffset-1, 4);
if (inet_addr_type(&init_net, addr) != RTN_LOCAL) {
if (inet_addr_type(skb->dst->dev->nd_net, addr) != RTN_LOCAL) {
dopt->ts_needtime = 1;
soffset += 8;
}

2
net/ipv4/ip_output.c
View File

@ -351,7 +351,7 @@ int ip_queue_xmit(struct sk_buff *skb, int ipfragok)
* itself out.
*/
security_sk_classify_flow(sk, &fl);
if (ip_route_output_flow(&init_net, &rt, &fl, sk, 0))
if (ip_route_output_flow(sk->sk_net, &rt, &fl, sk, 0))
goto no_route;
}
sk_setup_caps(sk, &rt->u.dst);

7
net/ipv4/ip_sockglue.c
View File

@ -449,7 +449,8 @@ static int do_ip_setsockopt(struct sock *sk, int level,
struct ip_options * opt = NULL;
if (optlen > 40 || optlen < 0)
goto e_inval;
err = ip_options_get_from_user(&init_net, &opt, optval, optlen);
err = ip_options_get_from_user(sk->sk_net, &opt,
optval, optlen);
if (err)
break;
if (inet->is_icsk) {
@ -589,13 +590,13 @@ static int do_ip_setsockopt(struct sock *sk, int level,
err = 0;
break;
}
dev = ip_dev_find(&init_net, mreq.imr_address.s_addr);
dev = ip_dev_find(sk->sk_net, mreq.imr_address.s_addr);
if (dev) {
mreq.imr_ifindex = dev->ifindex;
dev_put(dev);
}
} else
dev = __dev_get_by_index(&init_net, mreq.imr_ifindex);
dev = __dev_get_by_index(sk->sk_net, mreq.imr_ifindex);
err = -EADDRNOTAVAIL;