kernel: allow hardware NAT offload drivers to keep a priv pointer
[openwrt/openwrt.git] / target / linux / generic / pending-4.14 / 646-netfilter-nf_flow_table-rework-private-driver-data.patch
1 From: Felix Fietkau <nbd@nbd.name>
2 Date: Fri, 27 Apr 2018 14:42:14 +0200
3 Subject: [PATCH] netfilter: nf_flow_table: rework private driver data
4
5 Move the timeout out of the union, since it can be shared between the
6 driver and the stack. Add a private pointer that the driver can use to
7 point to its own data structures
8
9 Signed-off-by: Felix Fietkau <nbd@nbd.name>
10 ---
11
12 --- a/include/net/netfilter/nf_flow_table.h
13 +++ b/include/net/netfilter/nf_flow_table.h
14 @@ -81,9 +81,10 @@ struct flow_offload_tuple_rhash {
15 struct flow_offload {
16 struct flow_offload_tuple_rhash tuplehash[FLOW_OFFLOAD_DIR_MAX];
17 u32 flags;
18 + u32 timeout;
19 union {
20 /* Your private driver data here. */
21 - u32 timeout;
22 + void *priv;
23 };
24 };
25