| 1 | /*
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| 2 | * Copyright (c) 2015 Jan Kolarik
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup libnet
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| 30 | * @{
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| 31 | */
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| 32 |
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| 33 | /** @file ieee80211_impl.c
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| 34 | *
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| 35 | * IEEE 802.11 default functions implementation.
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| 36 | */
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| 37 |
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| 38 | #include <errno.h>
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| 39 |
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| 40 | #include <ieee80211_impl.h>
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| 41 |
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| 42 | /**
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| 43 | * Default implementation of IEEE802.11 scan function.
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| 44 | *
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| 45 | * @param ieee80211_dev Structure of IEEE802.11 device.
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| 46 | *
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| 47 | * @return EOK if succeed, negative error code otherwise.
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| 48 | */
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| 49 | int ieee80211_scan_impl(ieee80211_dev_t *ieee80211_dev)
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| 50 | {
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| 51 | uint16_t orig_freq = ieee80211_dev->current_freq;
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| 52 |
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| 53 | for(uint16_t freq = IEEE80211_FIRST_FREQ;
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| 54 | freq <= IEEE80211_MAX_FREQ;
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| 55 | freq += IEEE80211_CHANNEL_GAP) {
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| 56 | ieee80211_dev->ops->set_freq(ieee80211_dev, freq);
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| 57 | ieee80211_probe_request(ieee80211_dev);
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| 58 |
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| 59 | /* Wait for probe responses. */
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| 60 | usleep(100000);
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| 61 | }
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| 62 |
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| 63 | ieee80211_dev->ops->set_freq(ieee80211_dev, orig_freq);
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| 64 |
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| 65 | /* TODO: Collect results. */
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| 66 |
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| 67 | return EOK;
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| 68 | } |
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