Commit 9b7c68b3 authored by Paul Blakey's avatar Paul Blakey Committed by Florian Westphal

netfilter: ctnetlink: Support offloaded conntrack entry deletion

Currently, offloaded conntrack entries (flows) can only be deleted
after they are removed from offload, which is either by timeout,
tcp state change or tc ct rule deletion. This can cause issues for
users wishing to manually delete or flush existing entries.

Support deletion of offloaded conntrack entries.

Example usage:
 # Delete all offloaded (and non offloaded) conntrack entries
 # whose source address is 1.2.3.4
 $ conntrack -D -s 1.2.3.4
 # Delete all entries
 $ conntrack -F
Signed-off-by: default avatarPaul Blakey <paulb@nvidia.com>
Reviewed-by: default avatarSimon Horman <simon.horman@corigine.com>
Acked-by: default avatarPablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: default avatarFlorian Westphal <fw@strlen.de>
parent a25b8b71
......@@ -1554,9 +1554,6 @@ static const struct nla_policy ct_nla_policy[CTA_MAX+1] = {
static int ctnetlink_flush_iterate(struct nf_conn *ct, void *data)
{
if (test_bit(IPS_OFFLOAD_BIT, &ct->status))
return 0;
return ctnetlink_filter_match(ct, data);
}
......@@ -1626,11 +1623,6 @@ static int ctnetlink_del_conntrack(struct sk_buff *skb,
ct = nf_ct_tuplehash_to_ctrack(h);
if (test_bit(IPS_OFFLOAD_BIT, &ct->status)) {
nf_ct_put(ct);
return -EBUSY;
}
if (cda[CTA_ID]) {
__be32 id = nla_get_be32(cda[CTA_ID]);
......
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