From 3c435e2e414e82ec6c0e96a1dfc2be3ddc3c23b4 Mon Sep 17 00:00:00 2001
From: Florian Westphal <fw@strlen.de>
Date: Mon, 11 Apr 2016 21:52:35 +0200
Subject: netfilter: conntrack: de-inline nf_conntrack_eventmask_report
Way too large; move it to nf_conntrack_ecache.c.
Reduces total object size by 1216 byte on my machine.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nf_conntrack_ecache.c | 54 +++++++++++++++++++++++++++++++++++++
1 file changed, 54 insertions(+)
(limited to 'net')
diff --git a/net/netfilter/nf_conntrack_ecache.c b/net/netfilter/nf_conntrack_ecache.c
index 4e78c57b818f..a0ebab96a92f 100644
--- a/net/netfilter/nf_conntrack_ecache.c
+++ b/net/netfilter/nf_conntrack_ecache.c
@@ -113,6 +113,60 @@ static void ecache_work(struct work_struct *work)
schedule_delayed_work(&ctnet->ecache_dwork, delay);
}
+int nf_conntrack_eventmask_report(unsigned int eventmask, struct nf_conn *ct,
+ u32 portid, int report)
+{
+ int ret = 0;
+ struct net *net = nf_ct_net(ct);
+ struct nf_ct_event_notifier *notify;
+ struct nf_conntrack_ecache *e;
+
+ rcu_read_lock();
+ notify = rcu_dereference(net->ct.nf_conntrack_event_cb);
+ if (!notify)
+ goto out_unlock;
+
+ e = nf_ct_ecache_find(ct);
+ if (!e)
+ goto out_unlock;
+
+ if (nf_ct_is_confirmed(ct) && !nf_ct_is_dying(ct)) {
+ struct nf_ct_event item = {
+ .ct = ct,
+ .portid = e->portid ? e->portid : portid,
+ .report = report
+ };
+ /* This is a resent of a destroy event? If so, skip missed */
+ unsigned long missed = e->portid ? 0 : e->missed;
+
+ if (!((eventmask | missed) & e->ctmask))
+ goto out_unlock;
+
+ ret = notify->fcn(eventmask | missed, &item);
+ if (unlikely(ret < 0 || missed)) {
+ spin_lock_bh(&ct->lock);
+ if (ret < 0) {
+ /* This is a destroy event that has been
+ * triggered by a process, we store the PORTID
+ * to include it in the retransmission.
+ */
+ if (eventmask & (1 << IPCT_DESTROY) &&
+ e->portid == 0 && portid != 0)
+ e->portid = portid;
+ else
+ e->missed |= eventmask;
+ } else {
+ e->missed &= ~missed;
+ }
+ spin_unlock_bh(&ct->lock);
+ }
+ }
+out_unlock:
+ rcu_read_unlock();
+ return ret;
+}
+EXPORT_SYMBOL_GPL(nf_conntrack_eventmask_report);
+
/* deliver cached events and clear cache entry - must be called with locally
* disabled softirqs */
void nf_ct_deliver_cached_events(struct nf_conn *ct)
--
cgit