diff options
3 files changed, 33 insertions, 9 deletions
diff --git a/target/linux/generic/backport-4.14/371-netfilter-nf_flow_table-fix-up-ct-state-of-flows-aft.patch b/target/linux/generic/backport-4.14/371-netfilter-nf_flow_table-fix-up-ct-state-of-flows-aft.patch new file mode 100644 index 0000000..fb14a28 --- /dev/null +++ b/target/linux/generic/backport-4.14/371-netfilter-nf_flow_table-fix-up-ct-state-of-flows-aft.patch @@ -0,0 +1,24 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Thu, 14 Jun 2018 11:20:09 +0200 +Subject: [PATCH] netfilter: nf_flow_table: fix up ct state of flows after + timeout + +If a connection simply times out instead of being torn down, it is left +active with a long timeout. Fix this by calling flow_offload_fixup_ct_state +here as well. + +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + +--- a/net/netfilter/nf_flow_table_core.c ++++ b/net/netfilter/nf_flow_table_core.c +@@ -233,6 +233,9 @@ static void flow_offload_del(struct nf_f + e = container_of(flow, struct flow_offload_entry, flow); + clear_bit(IPS_OFFLOAD_BIT, &e->ct->status); + ++ if (!(flow->flags & FLOW_OFFLOAD_TEARDOWN)) ++ flow_offload_fixup_ct_state(e->ct); ++ + flow_offload_free(flow); + } + diff --git a/target/linux/generic/pending-4.14/640-netfilter-nf_flow_table-add-hardware-offload-support.patch b/target/linux/generic/pending-4.14/640-netfilter-nf_flow_table-add-hardware-offload-support.patch index ad77215..73475a5 100644 --- a/target/linux/generic/pending-4.14/640-netfilter-nf_flow_table-add-hardware-offload-support.patch +++ b/target/linux/generic/pending-4.14/640-netfilter-nf_flow_table-add-hardware-offload-support.patch @@ -173,9 +173,9 @@ Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> rhashtable_remove_fast(&flow_table->rhashtable, &flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].node, -@@ -233,6 +239,9 @@ static void flow_offload_del(struct nf_f - e = container_of(flow, struct flow_offload_entry, flow); - clear_bit(IPS_OFFLOAD_BIT, &e->ct->status); +@@ -236,6 +242,9 @@ static void flow_offload_del(struct nf_f + if (!(flow->flags & FLOW_OFFLOAD_TEARDOWN)) + flow_offload_fixup_ct_state(e->ct); + if (nf_flow_in_hw(flow)) + nf_flow_offload_hw_del(net, flow); @@ -183,7 +183,7 @@ Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> flow_offload_free(flow); } -@@ -346,6 +355,9 @@ static int nf_flow_offload_gc_step(struc +@@ -349,6 +358,9 @@ static int nf_flow_offload_gc_step(struc if (!teardown) nf_ct_offload_timeout(flow); @@ -193,7 +193,7 @@ Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> if (nf_flow_has_expired(flow) || teardown) flow_offload_del(flow_table, flow); } -@@ -481,10 +493,43 @@ int nf_flow_dnat_port(const struct flow_ +@@ -484,10 +496,43 @@ int nf_flow_dnat_port(const struct flow_ } EXPORT_SYMBOL_GPL(nf_flow_dnat_port); @@ -237,7 +237,7 @@ Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> INIT_DEFERRABLE_WORK(&flowtable->gc_work, nf_flow_offload_work_gc); err = rhashtable_init(&flowtable->rhashtable, -@@ -522,6 +567,8 @@ static void nf_flow_table_iterate_cleanu +@@ -525,6 +570,8 @@ static void nf_flow_table_iterate_cleanu { nf_flow_table_iterate(flowtable, nf_flow_table_do_cleanup, dev); flush_delayed_work(&flowtable->gc_work); @@ -246,7 +246,7 @@ Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> } void nf_flow_table_cleanup(struct net *net, struct net_device *dev) -@@ -535,6 +582,26 @@ void nf_flow_table_cleanup(struct net *n +@@ -538,6 +585,26 @@ void nf_flow_table_cleanup(struct net *n } EXPORT_SYMBOL_GPL(nf_flow_table_cleanup); @@ -273,7 +273,7 @@ Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> void nf_flow_table_free(struct nf_flowtable *flow_table) { mutex_lock(&flowtable_lock); -@@ -544,9 +611,58 @@ void nf_flow_table_free(struct nf_flowta +@@ -547,9 +614,58 @@ void nf_flow_table_free(struct nf_flowta nf_flow_table_iterate(flow_table, nf_flow_table_do_cleanup, NULL); WARN_ON(!nf_flow_offload_gc_step(flow_table)); rhashtable_destroy(&flow_table->rhashtable); diff --git a/target/linux/generic/pending-4.14/645-netfilter-nf_flow_table-rework-hardware-offload-time.patch b/target/linux/generic/pending-4.14/645-netfilter-nf_flow_table-rework-hardware-offload-time.patch index 2b3725f..8f07934 100644 --- a/target/linux/generic/pending-4.14/645-netfilter-nf_flow_table-rework-hardware-offload-time.patch +++ b/target/linux/generic/pending-4.14/645-netfilter-nf_flow_table-rework-hardware-offload-time.patch @@ -26,7 +26,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> struct flow_offload_tuple_rhash tuplehash[FLOW_OFFLOAD_DIR_MAX]; --- a/net/netfilter/nf_flow_table_core.c +++ b/net/netfilter/nf_flow_table_core.c -@@ -355,7 +355,7 @@ static int nf_flow_offload_gc_step(struc +@@ -358,7 +358,7 @@ static int nf_flow_offload_gc_step(struc if (!teardown) nf_ct_offload_timeout(flow); |