Justin Pettit
9da88ee2ad
This new OpenFlow message format provides a cleaner interface and greater detail and control over ports. It is now possible to see what features the switch's port is currently configured as having, what it's advertising, and what it's capable of handling. It is also possible to return the features advertised by the port's peer.
91 lines
3.7 KiB
C
91 lines
3.7 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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/* Generic interface to network devices.
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*
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* Currently, there is a single implementation of this interface that supports
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* Linux. The interface should be generic enough to be implementable on other
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* operating systems as well. */
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#ifndef NETDEV_H
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#define NETDEV_H 1
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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 in_addr;
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struct in6_addr;
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enum netdev_feature_type {
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NETDEV_FEAT_CURRENT,
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NETDEV_FEAT_ADVERTISED,
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NETDEV_FEAT_SUPPORTED,
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NETDEV_FEAT_PEER
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};
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enum netdev_flags {
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NETDEV_UP = 0x0001, /* Device enabled? */
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NETDEV_PROMISC = 0x0002 /* Promiscuous mode? */
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};
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enum netdev_pseudo_ethertype {
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NETDEV_ETH_TYPE_NONE = -128, /* Receive no frames. */
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NETDEV_ETH_TYPE_ANY, /* Receive all frames. */
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NETDEV_ETH_TYPE_802_2 /* Receive all IEEE 802.2 frames. */
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};
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struct netdev;
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int netdev_open(const char *name, int ethertype, struct netdev **);
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void netdev_close(struct netdev *);
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int netdev_recv(struct netdev *, struct ofpbuf *);
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void netdev_recv_wait(struct netdev *);
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void netdev_drain(struct netdev *);
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int netdev_send(struct netdev *, const struct ofpbuf *);
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const uint8_t *netdev_get_etheraddr(const struct netdev *);
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const char *netdev_get_name(const struct netdev *);
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int netdev_get_mtu(const struct netdev *);
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int netdev_get_link_status(const struct netdev *);
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uint32_t netdev_get_features(struct netdev *, int);
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bool netdev_get_in4(const struct netdev *, struct in_addr *);
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int netdev_set_in4(struct netdev *, struct in_addr addr, struct in_addr mask);
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int netdev_add_router(struct netdev *, struct in_addr router);
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bool netdev_get_in6(const struct netdev *, struct in6_addr *);
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int netdev_get_flags(const struct netdev *, enum netdev_flags *);
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int netdev_set_flags(struct netdev *, enum netdev_flags, bool permanent);
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int netdev_turn_flags_on(struct netdev *, enum netdev_flags, bool permanent);
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int netdev_turn_flags_off(struct netdev *, enum netdev_flags, bool permanent);
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int netdev_arp_lookup(const struct netdev *, uint32_t ip, uint8_t mac[6]);
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#endif /* netdev.h */
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