rocker: Provide offload indication using nexthop flags

We want to stop using the FIB info's flags to provide the offlaod
indication and instead do that on a per-nexthop basis.

Convert rocker to do just that. It only supports one nexthop per-route,
so conversion is simple.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/rocker/rocker_ofdpa.c

@@ -2761,7 +2761,7 @@ static int ofdpa_fib4_add(struct rocker *rocker,
 				  fen_info->tb_id, 0);
 	if (err)
 		return err;
-	fib_info_offload_inc(fen_info->fi);
+	fen_info->fi->fib_nh->nh_flags |= RTNH_F_OFFLOAD;
 	return 0;
 }
 
@@ -2776,7 +2776,7 @@ static int ofdpa_fib4_del(struct rocker *rocker,
 	ofdpa_port = ofdpa_port_dev_lower_find(fen_info->fi->fib_dev, rocker);
 	if (!ofdpa_port)
 		return 0;
-	fib_info_offload_dec(fen_info->fi);
+	fen_info->fi->fib_nh->nh_flags &= ~RTNH_F_OFFLOAD;
 	return ofdpa_port_fib_ipv4(ofdpa_port, htonl(fen_info->dst),
 				   fen_info->dst_len, fen_info->fi,
 				   fen_info->tb_id, OFDPA_OP_FLAG_REMOVE);
@@ -2803,7 +2803,7 @@ static void ofdpa_fib4_abort(struct rocker *rocker)
 						       rocker);
 		if (!ofdpa_port)
 			continue;
-		fib_info_offload_dec(flow_entry->fi);
+		flow_entry->fi->fib_nh->nh_flags &= ~RTNH_F_OFFLOAD;
 		ofdpa_flow_tbl_del(ofdpa_port, OFDPA_OP_FLAG_REMOVE,
 				   flow_entry);
 	}