| 1 | /*
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| 2 | * Copyright (c) 2013 Jiri Svoboda
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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 libc
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | */
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| 34 |
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| 35 | #include <async.h>
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| 36 | #include <assert.h>
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| 37 | #include <errno.h>
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| 38 | #include <inet/dhcp.h>
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| 39 | #include <ipc/dhcp.h>
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| 40 | #include <ipc/services.h>
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| 41 | #include <loc.h>
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| 42 | #include <stdlib.h>
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| 43 |
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| 44 | static async_sess_t *dhcp_sess = NULL;
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| 45 |
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| 46 | int dhcp_init(void)
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| 47 | {
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| 48 | service_id_t dhcp_svc;
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| 49 | int rc;
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| 50 |
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| 51 | assert(dhcp_sess == NULL);
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| 52 |
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| 53 | rc = loc_service_get_id(SERVICE_NAME_DHCP, &dhcp_svc,
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| 54 | IPC_FLAG_BLOCKING);
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| 55 | if (rc != EOK)
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| 56 | return ENOENT;
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| 57 |
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| 58 | dhcp_sess = loc_service_connect(dhcp_svc, INTERFACE_DHCP,
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| 59 | IPC_FLAG_BLOCKING);
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| 60 | if (dhcp_sess == NULL)
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| 61 | return ENOENT;
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| 62 |
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| 63 | return EOK;
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| 64 | }
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| 65 |
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| 66 | int dhcp_link_add(sysarg_t link_id)
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| 67 | {
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| 68 | async_exch_t *exch = async_exchange_begin(dhcp_sess);
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| 69 |
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| 70 | int rc = async_req_1_0(exch, DHCP_LINK_ADD, link_id);
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| 71 | async_exchange_end(exch);
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| 72 |
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| 73 | return rc;
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| 74 | }
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| 75 |
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| 76 | int dhcp_link_remove(sysarg_t link_id)
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| 77 | {
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| 78 | async_exch_t *exch = async_exchange_begin(dhcp_sess);
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| 79 |
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| 80 | int rc = async_req_1_0(exch, DHCP_LINK_REMOVE, link_id);
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| 81 | async_exchange_end(exch);
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| 82 |
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| 83 | return rc;
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| 84 | }
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| 85 |
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| 86 | int dhcp_discover(sysarg_t link_id)
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| 87 | {
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| 88 | async_exch_t *exch = async_exchange_begin(dhcp_sess);
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| 89 |
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| 90 | int rc = async_req_1_0(exch, DHCP_DISCOVER, link_id);
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| 91 | async_exchange_end(exch);
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| 92 |
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| 93 | return rc;
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| 94 | }
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| 95 |
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| 96 | /** @}
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| 97 | */
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