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authorFlorian Westphal <fw@strlen.de>2022-04-11 14:01:19 +0300
committerPablo Neira Ayuso <pablo@netfilter.org>2022-05-13 19:52:16 +0300
commit78222bacfca97cb18505df1ba5f3591864498a7e (patch)
tree757760ef05b8c462d76c0d65aefbb79020e62b7f /include/net
parent1397af5bfd7d32b0cf2adb70a78c9a9e8f11d912 (diff)
downloadlinux-78222bacfca97cb18505df1ba5f3591864498a7e.tar.xz
netfilter: cttimeout: decouple unlink and free on netns destruction
Make it so netns pre_exit unlinks the objects from the pernet list, so they cannot be found anymore. netns core issues a synchronize_rcu() before calling the exit hooks so any the time the exit hooks run unconfirmed nf_conn entries have been free'd or they have been committed to the hashtable. The exit hook still tags unconfirmed entries as dying, this can now be removed in a followup change. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/netfilter/nf_conntrack_timeout.h8
1 files changed, 0 insertions, 8 deletions
diff --git a/include/net/netfilter/nf_conntrack_timeout.h b/include/net/netfilter/nf_conntrack_timeout.h
index 3ea94f6f3844..fea258983d23 100644
--- a/include/net/netfilter/nf_conntrack_timeout.h
+++ b/include/net/netfilter/nf_conntrack_timeout.h
@@ -17,14 +17,6 @@ struct nf_ct_timeout {
char data[];
};
-struct ctnl_timeout {
- struct list_head head;
- struct rcu_head rcu_head;
- refcount_t refcnt;
- char name[CTNL_TIMEOUT_NAME_MAX];
- struct nf_ct_timeout timeout;
-};
-
struct nf_conn_timeout {
struct nf_ct_timeout __rcu *timeout;
};