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authorPavel Emelyanov <xemul@openvz.org>2008-01-22 17:02:14 +0300
committerDavid S. Miller <davem@davemloft.net>2008-01-29 02:10:34 +0300
commitac18e7509e7df327e30d6e073a787d922eaf211d (patch)
tree26be1582b59956c389a667d5426fdc538072795b /net/ipv6
parent8d8354d2fb9277f165715a6e1cb92bcc89259975 (diff)
downloadlinux-ac18e7509e7df327e30d6e073a787d922eaf211d.tar.xz
[NETNS][FRAGS]: Make the inet_frag_queue lookup work in namespaces.
Since fragment management code is consolidated, we cannot have the pointer from inet_frag_queue to struct net, since we must know what king of fragment this is. So, I introduce the netns_frags structure. This one is currently empty, but will be eventually filled with per-namespace attributes. Each inet_frag_queue is tagged with this one. The conntrack_reasm is not "netns-izated", so it has one static netns_frags instance to keep working in init namespace. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/netfilter/nf_conntrack_reasm.c3
-rw-r--r--net/ipv6/reassembly.c8
2 files changed, 7 insertions, 4 deletions
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index d631631189b6..18accd4eab06 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -78,6 +78,7 @@ static struct inet_frags_ctl nf_frags_ctl __read_mostly = {
};
static struct inet_frags nf_frags;
+static struct netns_frags nf_init_frags;
#ifdef CONFIG_SYSCTL
struct ctl_table nf_ct_ipv6_sysctl_table[] = {
@@ -212,7 +213,7 @@ fq_find(__be32 id, struct in6_addr *src, struct in6_addr *dst)
arg.dst = dst;
hash = ip6qhashfn(id, src, dst);
- q = inet_frag_find(&nf_frags, &arg, hash);
+ q = inet_frag_find(&nf_init_frags, &nf_frags, &arg, hash);
if (q == NULL)
goto oom;
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 1815ff0cf628..ab2d53b81b70 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -234,7 +234,7 @@ out:
}
static __inline__ struct frag_queue *
-fq_find(__be32 id, struct in6_addr *src, struct in6_addr *dst,
+fq_find(struct net *net, __be32 id, struct in6_addr *src, struct in6_addr *dst,
struct inet6_dev *idev)
{
struct inet_frag_queue *q;
@@ -246,7 +246,7 @@ fq_find(__be32 id, struct in6_addr *src, struct in6_addr *dst,
arg.dst = dst;
hash = ip6qhashfn(id, src, dst);
- q = inet_frag_find(&ip6_frags, &arg, hash);
+ q = inet_frag_find(&net->ipv6.frags, &ip6_frags, &arg, hash);
if (q == NULL)
goto oom;
@@ -568,6 +568,7 @@ static int ipv6_frag_rcv(struct sk_buff *skb)
struct frag_hdr *fhdr;
struct frag_queue *fq;
struct ipv6hdr *hdr = ipv6_hdr(skb);
+ struct net *net;
IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), IPSTATS_MIB_REASMREQDS);
@@ -598,10 +599,11 @@ static int ipv6_frag_rcv(struct sk_buff *skb)
return 1;
}
+ net = skb->dev->nd_net;
if (atomic_read(&ip6_frags.mem) > init_net.ipv6.sysctl.frags.high_thresh)
ip6_evictor(ip6_dst_idev(skb->dst));
- if ((fq = fq_find(fhdr->identification, &hdr->saddr, &hdr->daddr,
+ if ((fq = fq_find(net, fhdr->identification, &hdr->saddr, &hdr->daddr,
ip6_dst_idev(skb->dst))) != NULL) {
int ret;