X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fflow.h;h=0a952f9be4b82e88fc0dfd3c84e5834d64a64f09;hb=902b816539fde10d486077e7344d9654c98e7087;hp=63db5679ba451723024da0f2783cc036b10238c9;hpb=468e00132f76a6d057da1520873e7a468ccae422;p=sliver-openvswitch.git diff --git a/include/flow.h b/include/flow.h index 63db5679b..0a952f9be 100644 --- a/include/flow.h +++ b/include/flow.h @@ -1,10 +1,43 @@ +/* Copyright (c) 2008 The Board of Trustees of The Leland Stanford + * Junior University + * + * We are making the OpenFlow specification and associated documentation + * (Software) available for public use and benefit with the expectation + * that others will use, modify and enhance the Software and contribute + * those enhancements back to the community. However, since we would + * like to make the Software available for broadest use, with as few + * restrictions as possible permission is hereby granted, free of + * charge, to any person obtaining a copy of this Software to deal in + * the Software under the copyrights without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * The name and trademarks of copyright holder(s) may NOT be used in + * advertising or publicity pertaining to the Software or any + * derivatives without specific, written prior permission. + */ #ifndef FLOW_H #define FLOW_H 1 +#include #include #include "util.h" -struct buffer; +struct ofpbuf; /* Identification data for a flow. All fields are in network byte order. @@ -21,11 +54,11 @@ struct flow { uint8_t dl_src[6]; /* Ethernet source address. */ uint8_t dl_dst[6]; /* Ethernet destination address. */ uint8_t nw_proto; /* IP protocol. */ - uint8_t reserved; /* One byte of padding. */ + uint8_t reserved; /* Pad to 32-bit alignment. */ }; BUILD_ASSERT_DECL(sizeof (struct flow) == 32); -void flow_extract(const struct buffer *, uint16_t in_port, struct flow *); +int flow_extract(struct ofpbuf *, uint16_t in_port, struct flow *); void flow_print(FILE *, const struct flow *); int flow_compare(const struct flow *, const struct flow *); unsigned long int flow_hash(const struct flow *, uint32_t basis);