nfp: flower-ct: add offload calls to the nfp

Add the offload parts (ADD_FLOW/DEL_FLOW) calls to add and delete
the flows from the nfp.
Signed-off-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/netronome/nfp/flower/conntrack.c

@@ -813,6 +813,11 @@ static int nfp_fl_ct_add_offload(struct nfp_fl_nft_tc_merge *m_entry)
 	if (err)
 		goto ct_release_offload_meta_err;
 
+	err = nfp_flower_xmit_flow(priv->app, flow_pay,
+				   NFP_FLOWER_CMSG_TYPE_FLOW_ADD);
+	if (err)
+		goto ct_remove_rhash_err;
+
 	m_entry->tc_flower_cookie = flow_pay->tc_flower_cookie;
 	m_entry->flow_pay = flow_pay;
 
@@ -821,6 +826,10 @@ static int nfp_fl_ct_add_offload(struct nfp_fl_nft_tc_merge *m_entry)
 
 	return err;
 
+ct_remove_rhash_err:
+	WARN_ON_ONCE(rhashtable_remove_fast(&priv->flow_table,
+					    &flow_pay->fl_node,
+					    nfp_flower_table_params));
 ct_release_offload_meta_err:
 	nfp_modify_flow_metadata(priv->app, flow_pay);
 ct_offload_err:
@@ -865,6 +874,9 @@ static int nfp_fl_ct_del_offload(struct nfp_app *app, unsigned long cookie,
 		goto err_free_merge_flow;
 	}
 
+	err = nfp_flower_xmit_flow(app, flow_pay,
+				   NFP_FLOWER_CMSG_TYPE_FLOW_DEL);
+
 err_free_merge_flow:
 	nfp_flower_del_linked_merge_flows(app, flow_pay);
 	if (port)

drivers/net/ethernet/netronome/nfp/flower/main.h

@@ -563,4 +563,7 @@ int nfp_flower_calculate_key_layers(struct nfp_app *app,
 void
 nfp_flower_del_linked_merge_flows(struct nfp_app *app,
 				  struct nfp_fl_payload *sub_flow);
+int
+nfp_flower_xmit_flow(struct nfp_app *app, struct nfp_fl_payload *nfp_flow,
+		     u8 mtype);
 #endif

drivers/net/ethernet/netronome/nfp/flower/offload.c

@@ -91,7 +91,7 @@ struct nfp_flower_merge_check {
 	};
 };
 
-static int
+int
 nfp_flower_xmit_flow(struct nfp_app *app, struct nfp_fl_payload *nfp_flow,
 		     u8 mtype)
 {