...w_table-support-hw-offload-through-v.patch | 33 ++++++++++---------
1 file changed, 18 insertions(+), 15 deletions(-)
diff --git
a/target/linux/generic/pending-4.14/641-netfilter-nf_flow_table-support-hw-offload-through-v.patch
b/target/linux/generic/pending-4.14/641-netfilter-nf_flow_table-support-hw-offload-through-v.patch
index 93117253466b..e1b13a1ad491 100644
---
a/target/linux/generic/pending-4.14/641-netfilter-nf_flow_table-support-hw-offload-through-v.patch
+++
b/target/linux/generic/pending-4.14/641-netfilter-nf_flow_table-support-hw-offload-through-v.patch
@@ -79,7 +79,7 @@ Signed-off-by: Felix Fietkau <n...@nbd.name>
struct nf_flow_route {
--- a/net/netfilter/nf_flow_table_hw.c
+++ b/net/netfilter/nf_flow_table_hw.c
-@@ -19,48 +19,75 @@ struct flow_offload_hw {
+@@ -19,48 +19,77 @@ struct flow_offload_hw {
enum flow_offload_type type;
struct flow_offload *flow;
struct nf_conn *ct;
@@ -92,6 +92,7 @@ Signed-off-by: Felix Fietkau <n...@nbd.name>
-static int do_flow_offload_hw(struct net *net, struct flow_offload *flow,
- int type)
+static void flow_offload_check_ethernet(struct flow_offload_tuple *tuple,
++ struct dst_entry *dst,
+ struct flow_offload_hw_path *path)
{
- struct net_device *indev;
@@ -112,7 +113,7 @@ Signed-off-by: Felix Fietkau <n...@nbd.name>
- dev_put(indev);
+ memcpy(path->eth_src, path->dev->dev_addr, ETH_ALEN);
-+ n = dst_neigh_lookup(tuple->dst_cache, &tuple->src_v4);
++ n = dst_neigh_lookup(dst, &tuple->src_v4);
+ if (!n)
+ return;
@@ -125,6 +126,7 @@ Signed-off-by: Felix Fietkau <n...@nbd.name>
-static void flow_offload_hw_work_add(struct flow_offload_hw *offload)
+static int flow_offload_check_path(struct net *net,
+ struct flow_offload_tuple *tuple,
++ struct dst_entry *dst,
+ struct flow_offload_hw_path *path)
{
- struct net *net;
@@ -138,7 +140,7 @@ Signed-off-by: Felix Fietkau <n...@nbd.name>
+ return -ENOENT;
+
+ path->dev = dev;
-+ flow_offload_check_ethernet(tuple, path);
++ flow_offload_check_ethernet(tuple, dst, path);
- net = read_pnet(&offload->flow_hw_net);
- ret = do_flow_offload_hw(net, offload->flow, FLOW_OFFLOAD_ADD);
@@ -166,11 +168,11 @@ Signed-off-by: Felix Fietkau <n...@nbd.name>
+ /* restore devices in case the driver mangled them */
+ offload->src.dev = src_dev;
+ offload->dest.dev = dest_dev;
-+
-+ return ret;
-+}
- do_flow_offload_hw(net, offload->flow, FLOW_OFFLOAD_DEL);
++ return ret;
++}
++
+static void flow_offload_hw_free(struct flow_offload_hw *offload)
+{
+ dev_put(offload->src.dev);
@@ -182,7 +184,7 @@ Signed-off-by: Felix Fietkau <n...@nbd.name>
}
static void flow_offload_hw_work(struct work_struct *work)
-@@ -73,18 +100,22 @@ static void flow_offload_hw_work(struct
+@@ -73,18 +102,22 @@ static void flow_offload_hw_work(struct
spin_unlock_bh(&flow_offload_hw_pending_list_lock);
list_for_each_entry_safe(offload, next, &hw_offload_pending, list) {
@@ -211,7 +213,7 @@ Signed-off-by: Felix Fietkau <n...@nbd.name>
}
}
-@@ -97,20 +128,55 @@ static void flow_offload_queue_work(stru
+@@ -97,20 +130,56 @@ static void flow_offload_queue_work(stru
schedule_work(&nf_flow_offload_hw_work);
}
@@ -220,17 +222,18 @@ Signed-off-by: Felix Fietkau <n...@nbd.name>
+{
+ struct flow_offload_hw_path src = {};
+ struct flow_offload_hw_path dest = {};
-+ struct flow_offload_tuple *tuple;
++ struct flow_offload_tuple *tuple_s, *tuple_d;
+ struct flow_offload_hw *offload = NULL;
+
+ rcu_read_lock_bh();
+
-+ tuple = &flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple;
-+ if (flow_offload_check_path(net, tuple, &src))
++ tuple_s = &flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple;
++ tuple_d = &flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple;
++
++ if (flow_offload_check_path(net, tuple_s, tuple_d->dst_cache, &src))
+ goto out;
+
-+ tuple = &flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple;
-+ if (flow_offload_check_path(net, tuple, &dest))
++ if (flow_offload_check_path(net, tuple_d, tuple_s->dst_cache, &dest))
+ goto out;
+
+ if (!src.dev->netdev_ops->ndo_flow_offload)
@@ -270,7 +273,7 @@ Signed-off-by: Felix Fietkau <n...@nbd.name>
flow_offload_queue_work(offload);
}
-@@ -119,14 +185,11 @@ static void flow_offload_hw_del(struct n
+@@ -119,14 +188,11 @@ static void flow_offload_hw_del(struct n
{
struct flow_offload_hw *offload;
@@ -286,7 +289,7 @@ Signed-off-by: Felix Fietkau <n...@nbd.name>
flow_offload_queue_work(offload);
}
-@@ -153,12 +216,8 @@ static void __exit nf_flow_table_hw_modu
+@@ -153,12 +219,8 @@ static void __exit nf_flow_table_hw_modu
nf_flow_table_hw_unregister(&flow_offload_hw);
cancel_work_sync(&nf_flow_offload_hw_work);
