Ben Pfaff
23e054dcb6
This allows us to open network devices without bringing them up and setting them for promiscuous mode, which will be useful in the secchan for in-band communication.
72 lines
2.9 KiB
C
72 lines
2.9 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 buffer;
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struct in_addr;
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struct in6_addr;
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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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struct netdev;
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int netdev_open(const char *name, struct netdev **);
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void netdev_close(struct netdev *);
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int netdev_recv(struct netdev *, struct buffer *);
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void netdev_recv_wait(struct netdev *);
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int netdev_send(struct netdev *, struct buffer *);
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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_speed(const struct netdev *);
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uint32_t netdev_get_features(const struct netdev *);
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bool netdev_get_in4(const struct netdev *, struct in_addr *);
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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);
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#endif /* netdev.h */
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