2 * Copyright (c) 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.
17 #ifndef OPENVSWITCH_TYPES_H
18 #define OPENVSWITCH_TYPES_H 1
20 #include <sys/types.h>
24 #define OVS_BITWISE __attribute__((bitwise))
25 #define OVS_FORCE __attribute__((force))
31 /* The ovs_be<N> types indicate that an object is in big-endian, not
32 * native-endian, byte order. They are otherwise equivalent to uint<N>_t.
34 * The OVS_BITWISE annotation allows the sparse checker to issue warnings
35 * for incorrect use of values in network byte order. */
36 typedef uint16_t OVS_BITWISE ovs_be16;
37 typedef uint32_t OVS_BITWISE ovs_be32;
38 typedef uint64_t OVS_BITWISE ovs_be64;
40 /* Netlink and OpenFlow both contain 64-bit values that are only guaranteed to
41 * be aligned on 32-bit boundaries. These types help.
43 * lib/unaligned.h has helper functions for accessing these. */
45 /* A 64-bit value, in host byte order, that is only aligned on a 32-bit
48 #ifdef WORDS_BIGENDIAN
55 /* A 64-bit value, in network byte order, that is only aligned on a 32-bit
61 #endif /* openvswitch/types.h */