Ben Pfaff
65 lines
2.5 KiB
C
65 lines
2.5 KiB
C
/* Copyright (c) 2008 The Board of Trustees of The Leland Stanford
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* Junior University
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*
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* We are making the OpenFlow specification and associated documentation
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* (Software) available for public use and benefit with the expectation
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* that others will use, modify and enhance the Software and contribute
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* those enhancements back to the community. However, since we would
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* like to make the Software available for broadest use, with as few
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* restrictions as possible permission is hereby granted, free of
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* charge, to any person obtaining a copy of this Software to deal in
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* the Software under the copyrights without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* The name and trademarks of copyright holder(s) may NOT be used in
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* advertising or publicity pertaining to the Software or any
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* derivatives without specific, written prior permission.
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*/
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#ifndef DPIF_H
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#define DPIF_H 1
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/* Operations for the datapath running in the local kernel. The interface can
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* generalize to multiple types of local datapaths, but the implementation only
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* supports the openflow kernel module via netlink. */
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#include <stdbool.h>
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#include <stdint.h>
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struct ofpbuf;
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struct ofp_match;
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/* A datapath interface. Opaque. */
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struct dpif
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{
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int dp_idx;
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struct nl_sock *sock;
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};
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int dpif_open(int dp_idx, bool subscribe, struct dpif *);
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void dpif_close(struct dpif *);
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int dpif_recv_openflow(struct dpif *, struct ofpbuf **, bool wait);
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int dpif_send_openflow(struct dpif *, struct ofpbuf *, bool wait);
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int dpif_add_dp(struct dpif *);
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int dpif_del_dp(struct dpif *);
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int dpif_add_port(struct dpif *, const char *netdev);
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int dpif_del_port(struct dpif *, const char *netdev);
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#endif /* dpif.h */
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