uspace/lib/nic/src/nic_ev.c

   1 /*
   2  * Copyright (c) 2011 Jiri Svoboda
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * - Redistributions of source code must retain the above copyright
  10  *   notice, this list of conditions and the following disclaimer.
  11  * - Redistributions in binary form must reproduce the above copyright
  12  *   notice, this list of conditions and the following disclaimer in the
  13  *   documentation and/or other materials provided with the distribution.
  14  * - The name of the author may not be used to endorse or promote products
  15  *   derived from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 /**
  30  * @addtogroup libnic
  31  * @{
  32  */
  33 /**
  34  * @file
  35  * @brief
  36  */
  37
  38 #include <async.h>
  39 #include <nic_iface.h>
  40 #include <errno.h>
  41 #include "nic_ev.h"
  42
  43 /** Device address changed. */
  44 errno_t nic_ev_addr_changed(async_sess_t *sess, const nic_address_t *addr)
  45 {
  46         async_exch_t *exch = async_exchange_begin(sess);
  47
  48         ipc_call_t answer;
  49         aid_t req = async_send_0(exch, NIC_EV_ADDR_CHANGED, &answer);
  50         errno_t retval = async_data_write_start(exch, addr,
  51             sizeof(nic_address_t));
  52
  53         async_exchange_end(exch);
  54
  55         if (retval != EOK) {
  56                 async_forget(req);
  57                 return retval;
  58         }
  59
  60         async_wait_for(req, &retval);
  61         return retval;
  62 }
  63
  64 /** Device state changed. */
  65 errno_t nic_ev_device_state(async_sess_t *sess, sysarg_t state)
  66 {
  67         errno_t rc;
  68
  69         async_exch_t *exch = async_exchange_begin(sess);
  70         rc = async_req_1_0(exch, NIC_EV_DEVICE_STATE, state);
  71         async_exchange_end(exch);
  72
  73         return rc;
  74 }
  75
  76 /** Frame received. */
  77 errno_t nic_ev_received(async_sess_t *sess, void *data, size_t size)
  78 {
  79         async_exch_t *exch = async_exchange_begin(sess);
  80
  81         ipc_call_t answer;
  82         aid_t req = async_send_0(exch, NIC_EV_RECEIVED, &answer);
  83         errno_t retval = async_data_write_start(exch, data, size);
  84
  85         async_exchange_end(exch);
  86
  87         if (retval != EOK) {
  88                 async_forget(req);
  89                 return retval;
  90         }
  91
  92         async_wait_for(req, &retval);
  93         return retval;
  94 }
  95
  96 /** @}
  97  */