BadVPN – Blame information for rev 1
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1 | office | 1 | /** |
2 | * @file |
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3 | * |
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4 | * SLIP netif API |
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5 | */ |
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6 | |||
7 | /* |
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8 | * Copyright (c) 2001, Swedish Institute of Computer Science. |
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9 | * All rights reserved. |
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10 | * |
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11 | * Redistribution and use in source and binary forms, with or without |
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12 | * modification, are permitted provided that the following conditions |
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13 | * are met: |
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14 | * 1. Redistributions of source code must retain the above copyright |
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15 | * notice, this list of conditions and the following disclaimer. |
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16 | * 2. Redistributions in binary form must reproduce the above copyright |
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17 | * notice, this list of conditions and the following disclaimer in the |
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18 | * documentation and/or other materials provided with the distribution. |
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19 | * 3. Neither the name of the Institute nor the names of its contributors |
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20 | * may be used to endorse or promote products derived from this software |
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21 | * without specific prior written permission. |
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22 | * |
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23 | * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND |
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24 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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25 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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26 | * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE |
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27 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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28 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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29 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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30 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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31 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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32 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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33 | * SUCH DAMAGE. |
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34 | * |
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35 | * This file is part of the lwIP TCP/IP stack. |
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36 | * |
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37 | * Author: Adam Dunkels <adam@sics.se> |
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38 | * |
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39 | */ |
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40 | #ifndef LWIP_HDR_NETIF_SLIPIF_H |
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41 | #define LWIP_HDR_NETIF_SLIPIF_H |
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42 | |||
43 | #include "lwip/opt.h" |
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44 | #include "lwip/netif.h" |
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45 | |||
46 | /** Set this to 1 to start a thread that blocks reading on the serial line |
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47 | * (using sio_read()). |
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48 | */ |
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49 | #ifndef SLIP_USE_RX_THREAD |
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50 | #define SLIP_USE_RX_THREAD !NO_SYS |
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51 | #endif |
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52 | |||
53 | /** Set this to 1 to enable functions to pass in RX bytes from ISR context. |
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54 | * If enabled, slipif_received_byte[s]() process incoming bytes and put assembled |
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55 | * packets on a queue, which is fed into lwIP from slipif_poll(). |
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56 | * If disabled, slipif_poll() polls the serial line (using sio_tryread()). |
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57 | */ |
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58 | #ifndef SLIP_RX_FROM_ISR |
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59 | #define SLIP_RX_FROM_ISR 0 |
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60 | #endif |
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61 | |||
62 | /** Set this to 1 (default for SLIP_RX_FROM_ISR) to queue incoming packets |
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63 | * received by slipif_received_byte[s]() as long as PBUF_POOL pbufs are available. |
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64 | * If disabled, packets will be dropped if more than one packet is received. |
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65 | */ |
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66 | #ifndef SLIP_RX_QUEUE |
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67 | #define SLIP_RX_QUEUE SLIP_RX_FROM_ISR |
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68 | #endif |
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69 | |||
70 | #ifdef __cplusplus |
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71 | extern "C" { |
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72 | #endif |
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73 | |||
74 | err_t slipif_init(struct netif * netif); |
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75 | void slipif_poll(struct netif *netif); |
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76 | #if SLIP_RX_FROM_ISR |
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77 | void slipif_process_rxqueue(struct netif *netif); |
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78 | void slipif_received_byte(struct netif *netif, u8_t data); |
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79 | void slipif_received_bytes(struct netif *netif, u8_t *data, u8_t len); |
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80 | #endif /* SLIP_RX_FROM_ISR */ |
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81 | |||
82 | #ifdef __cplusplus |
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83 | } |
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84 | #endif |
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85 | |||
86 | #endif /* LWIP_HDR_NETIF_SLIPIF_H */ |
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87 |