[PATCH v11 nf-next 3/6] netfilter :nf_flow_table_offload: Add nf_flow_rule_bridge()

[Eric Woudstra]

Add nf_flow_rule_bridge().

It only calls the common rule and adds the redirect.

Reviewed-by: Nikolay Aleksandrov <ra...@blackwall.org>
Signed-off-by: Eric Woudstra <ericwo...@gmail.com>
---
 include/net/netfilter/nf_flow_table.h |  3 +++
 net/netfilter/nf_flow_table_offload.c | 13 +++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/include/net/netfilter/nf_flow_table.h 
b/include/net/netfilter/nf_flow_table.h
index 9d9363e91587..f60ecedf2fa7 100644
--- a/include/net/netfilter/nf_flow_table.h
+++ b/include/net/netfilter/nf_flow_table.h
@@ -344,6 +344,9 @@ void nf_flow_table_offload_flush_cleanup(struct 
nf_flowtable *flowtable);
 int nf_flow_table_offload_setup(struct nf_flowtable *flowtable,
                                struct net_device *dev,
                                enum flow_block_command cmd);
+int nf_flow_rule_bridge(struct net *net, struct flow_offload *flow,
+                       enum flow_offload_tuple_dir dir,
+                       struct nf_flow_rule *flow_rule);
 int nf_flow_rule_route_ipv4(struct net *net, struct flow_offload *flow,
                            enum flow_offload_tuple_dir dir,
                            struct nf_flow_rule *flow_rule);
diff --git a/net/netfilter/nf_flow_table_offload.c 
b/net/netfilter/nf_flow_table_offload.c
index e06bc36f49fe..5543ce03a196 100644
--- a/net/netfilter/nf_flow_table_offload.c
+++ b/net/netfilter/nf_flow_table_offload.c
@@ -679,6 +679,19 @@ nf_flow_rule_route_common(struct net *net, const struct 
flow_offload *flow,
        return 0;
 }
 
+int nf_flow_rule_bridge(struct net *net, struct flow_offload *flow,
+                       enum flow_offload_tuple_dir dir,
+                       struct nf_flow_rule *flow_rule)
+{
+       if (nf_flow_rule_route_common(net, flow, dir, flow_rule) < 0)
+               return -1;
+
+       flow_offload_redirect(net, flow, dir, flow_rule);
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(nf_flow_rule_bridge);
+
 int nf_flow_rule_route_ipv4(struct net *net, struct flow_offload *flow,
                            enum flow_offload_tuple_dir dir,
                            struct nf_flow_rule *flow_rule)
-- 
2.47.1