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) {
*/
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) &&
+ sock_net(sk) == dev_net(dev)) {
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);
static int ip_local_deliver_finish(struct sk_buff *skb)
{
+ struct net *net = dev_net(skb->dev);
+
__skb_pull(skb, ip_hdrlen(skb));
/* Point into the IP datagram, just past the header. */
rcu_read_lock();
{
- /* Note: See raw.c and net/raw.h, RAWV4_HTABLE_SIZE==MAX_INET_PROTOS */
int protocol = ip_hdr(skb)->protocol;
- int hash;
- struct sock *raw_sk;
+ int hash, raw;
struct net_protocol *ipprot;
resubmit:
- hash = protocol & (MAX_INET_PROTOS - 1);
- raw_sk = sk_head(&raw_v4_htable[hash]);
-
- /* If there maybe a raw socket we must check - if not we
- * don't care less
- */
- if (raw_sk && !raw_v4_input(skb, ip_hdr(skb), hash))
- raw_sk = NULL;
+ raw = raw_local_deliver(skb, protocol);
- if ((ipprot = rcu_dereference(inet_protos[hash])) != NULL) {
+ hash = protocol & (MAX_INET_PROTOS - 1);
+ ipprot = rcu_dereference(inet_protos[hash]);
+ if (ipprot != NULL && (net == &init_net || ipprot->netns_ok)) {
int ret;
if (!ipprot->no_policy) {
}
IP_INC_STATS_BH(IPSTATS_MIB_INDELIVERS);
} else {
- if (!raw_sk) {
+ if (!raw) {
if (xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb)) {
IP_INC_STATS_BH(IPSTATS_MIB_INUNKNOWNPROTOS);
icmp_send(skb, ICMP_DEST_UNREACH,
}
iph = ip_hdr(skb);
+ opt = &(IPCB(skb)->opt);
+ opt->optlen = iph->ihl*4 - sizeof(struct iphdr);
- if (ip_options_compile(NULL, skb)) {
+ if (ip_options_compile(dev_net(dev), opt, skb)) {
IP_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS);
goto drop;
}
- opt = &(IPCB(skb)->opt);
if (unlikely(opt->srr)) {
struct in_device *in_dev = in_dev_get(dev);
if (in_dev) {
if (IN_DEV_LOG_MARTIANS(in_dev) &&
net_ratelimit())
printk(KERN_INFO "source route option "
- "%u.%u.%u.%u -> %u.%u.%u.%u\n",
+ NIPQUAD_FMT " -> " NIPQUAD_FMT "\n",
NIPQUAD(iph->saddr),
NIPQUAD(iph->daddr));
in_dev_put(in_dev);
if (iph->ihl > 5 && ip_rcv_options(skb))
goto drop;
- rt = (struct rtable*)skb->dst;
+ rt = skb->rtable;
if (rt->rt_type == RTN_MULTICAST)
IP_INC_STATS_BH(IPSTATS_MIB_INMCASTPKTS);
else if (rt->rt_type == RTN_BROADCAST)
struct iphdr *iph;
u32 len;
- if (dev->nd_net != &init_net)
- goto drop;
-
/* When the interface is in promisc. mode, drop all the crap
* that it receives, do not try to analyse it.
*/