2 * Copyright (c) 2009, 2010, 2011 Nicira Networks.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
25 #include "openflow/openflow.h"
26 #include "openvswitch/datapath-protocol.h"
33 #define ODPP_NONE ((uint16_t) -1)
35 static inline uint16_t
36 ofp_port_to_odp_port(uint16_t ofp_port)
48 static inline uint16_t
49 odp_port_to_ofp_port(uint16_t odp_port)
61 int odp_action_len(uint16_t type);
62 void format_odp_action(struct ds *, const struct nlattr *);
63 void format_odp_actions(struct ds *, const struct nlattr *odp_actions,
66 /* By my calculations currently the longest valid nlattr-formatted flow key is
67 * 80 bytes long, so this leaves some safety margin.
69 * We allocate temporary on-stack buffers for flow keys as arrays of uint32_t
70 * to ensure proper 32-bit alignment for Netlink attributes. (An array of
71 * "struct nlattr" might not, in theory, be sufficiently aligned because it
72 * only contains 16-bit types.) */
73 #define ODPUTIL_FLOW_KEY_BYTES 96
74 #define ODPUTIL_FLOW_KEY_U32S DIV_ROUND_UP(ODPUTIL_FLOW_KEY_BYTES, 4)
76 void odp_flow_key_format(const struct nlattr *, size_t, struct ds *);
78 void odp_flow_key_from_flow(struct ofpbuf *, const struct flow *);
79 int odp_flow_key_to_flow(const struct nlattr *, size_t, struct flow *);
81 #endif /* odp-util.h */