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| author |   Pablo Neira Ayuso <pablo@netfilter.org> | 2020-01-05 22:00:57 +0100 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2020-01-16 15:51:49 +0100 |
| commit | 445db8d09659eb27bcd5920cb91d91686f0197d0 (patch) | |
| tree | c7093714b6d55f7aec0fa852fa0510ff0e4c5830 /net | |
| parent | netfilter: flowtable: add nf_flow_offload_work_alloc() (diff) | |
| download | linux-dev-445db8d09659eb27bcd5920cb91d91686f0197d0.tar.xz linux-dev-445db8d09659eb27bcd5920cb91d91686f0197d0.zip | |
netfilter: flowtable: remove dying bit, use teardown bit instead
The dying bit removes the conntrack entry if the netdev that owns this
flow is going down. Instead, use the teardown mechanism to push back the
flow to conntrack to let the classic software path decide what to do
with it.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/netfilter/nf_flow_table_core.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/net/netfilter/nf_flow_table_core.c b/net/netfilter/nf_flow_table_core.c index 9e6de2bbeccb..a9ed93a9e007 100644 --- a/net/netfilter/nf_flow_table_core.c +++ b/net/netfilter/nf_flow_table_core.c @@ -182,8 +182,6 @@ void flow_offload_free(struct flow_offload *flow) default: break; } - if (flow->flags & FLOW_OFFLOAD_DYING) - nf_ct_delete(flow->ct, 0, 0); nf_ct_put(flow->ct); kfree_rcu(flow, rcu_head); } @@ -300,7 +298,7 @@ flow_offload_lookup(struct nf_flowtable *flow_table, dir = tuplehash->tuple.dir; flow = container_of(tuplehash, struct flow_offload, tuplehash[dir]); - if (flow->flags & (FLOW_OFFLOAD_DYING | FLOW_OFFLOAD_TEARDOWN)) + if (flow->flags & FLOW_OFFLOAD_TEARDOWN) return NULL; if (unlikely(nf_ct_is_dying(flow->ct))) @@ -349,7 +347,7 @@ static void nf_flow_offload_gc_step(struct flow_offload *flow, void *data) struct nf_flowtable *flow_table = data; if (nf_flow_has_expired(flow) || nf_ct_is_dying(flow->ct) || - (flow->flags & (FLOW_OFFLOAD_DYING | FLOW_OFFLOAD_TEARDOWN))) { + (flow->flags & FLOW_OFFLOAD_TEARDOWN)) { if (flow->flags & FLOW_OFFLOAD_HW) { if (!(flow->flags & FLOW_OFFLOAD_HW_DYING)) nf_flow_offload_del(flow_table, flow); @@ -523,7 +521,7 @@ static void nf_flow_table_do_cleanup(struct flow_offload *flow, void *data) if (net_eq(nf_ct_net(flow->ct), dev_net(dev)) && (flow->tuplehash[0].tuple.iifidx == dev->ifindex || flow->tuplehash[1].tuple.iifidx == dev->ifindex)) - flow_offload_dead(flow); + flow_offload_teardown(flow); } static void nf_flow_table_iterate_cleanup(struct nf_flowtable *flowtable, |