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 static inline uint16_t
34 ofp_port_to_odp_port(uint16_t ofp_port)
46 static inline uint16_t
47 odp_port_to_ofp_port(uint16_t odp_port)
59 int odp_action_len(uint16_t type);
60 void format_odp_action(struct ds *, const struct nlattr *);
61 void format_odp_actions(struct ds *, const struct nlattr *odp_actions,
64 /* By my calculations currently the longest valid nlattr-formatted flow key is
65 * 80 bytes long, so this leaves some safety margin.
67 * We allocate temporary on-stack buffers for flow keys as arrays of uint32_t
68 * to ensure proper 32-bit alignment for Netlink attributes. (An array of
69 * "struct nlattr" might not, in theory, be sufficiently aligned because it
70 * only contains 16-bit types.) */
71 #define ODPUTIL_FLOW_KEY_BYTES 96
72 #define ODPUTIL_FLOW_KEY_U32S DIV_ROUND_UP(ODPUTIL_FLOW_KEY_BYTES, 4)
74 void odp_flow_key_format(const struct nlattr *, size_t, struct ds *);
76 void odp_flow_key_from_flow(struct ofpbuf *, const struct flow *);
77 int odp_flow_key_to_flow(const struct nlattr *, size_t, struct flow *);
79 #endif /* odp-util.h */