[457] | 1 | /*
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| 2 | * Redistribution and use in source and binary forms, with or without modification,
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| 3 | * are permitted provided that the following conditions are met:
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| 4 | *
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| 5 | * 1. Redistributions of source code must retain the above copyright notice,
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| 6 | * this list of conditions and the following disclaimer.
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| 7 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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| 8 | * this list of conditions and the following disclaimer in the documentation
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| 9 | * and/or other materials provided with the distribution.
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| 10 | * 3. The name of the author may not be used to endorse or promote products
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| 11 | * derived from this software without specific prior written permission.
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| 12 | *
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| 13 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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| 14 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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| 15 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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| 16 | * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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| 17 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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| 18 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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| 19 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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| 20 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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| 21 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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| 22 | * OF SUCH DAMAGE.
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| 23 | *
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| 24 | * This file is part of the lwIP TCP/IP stack.
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| 25 | *
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| 26 | * Author: Dirk Ziegelmeier <dziegel@gmx.de>
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| 27 | *
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| 28 | */
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| 29 |
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| 30 | #include "lwip/dns.h"
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| 31 |
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| 32 | #ifndef PPPOS_SUPPORT
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| 33 | #define PPPOS_SUPPORT 0
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| 34 | #endif /* PPPOS_SUPPORT */
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| 35 |
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| 36 | #if PPPOS_SUPPORT
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| 37 | #include "netif/ppp/pppos.h"
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| 38 | #include "lwip/sio.h"
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| 39 | #define PPP_PTY_TEST 1
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| 40 | #endif /* PPPOS_SUPPORT */
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| 41 |
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| 42 | #include "pppos_example.h"
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| 43 |
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| 44 | #if PPPOS_SUPPORT
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| 45 | static sio_fd_t ppp_sio;
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| 46 | static ppp_pcb *ppp;
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| 47 | static struct netif pppos_netif;
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| 48 |
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| 49 | static void
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| 50 | pppos_rx_thread(void *arg)
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| 51 | {
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| 52 | u32_t len;
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| 53 | u8_t buffer[128];
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| 54 | LWIP_UNUSED_ARG(arg);
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| 55 |
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| 56 | /* Please read the "PPPoS input path" chapter in the PPP documentation. */
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| 57 | while (1) {
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| 58 | len = sio_read(ppp_sio, buffer, sizeof(buffer));
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| 59 | if (len > 0) {
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| 60 | /* Pass received raw characters from PPPoS to be decoded through lwIP
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| 61 | * TCPIP thread using the TCPIP API. This is thread safe in all cases
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| 62 | * but you should avoid passing data byte after byte. */
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| 63 | pppos_input_tcpip(ppp, buffer, len);
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| 64 | }
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| 65 | }
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| 66 | }
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| 67 |
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| 68 | static void
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| 69 | ppp_link_status_cb(ppp_pcb *pcb, int err_code, void *ctx)
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| 70 | {
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| 71 | struct netif *pppif = ppp_netif(pcb);
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| 72 | LWIP_UNUSED_ARG(ctx);
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| 73 |
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| 74 | switch(err_code) {
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| 75 | case PPPERR_NONE: /* No error. */
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| 76 | {
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| 77 | #if LWIP_DNS
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| 78 | const ip_addr_t *ns;
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| 79 | #endif /* LWIP_DNS */
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| 80 | fprintf(stderr, "ppp_link_status_cb: PPPERR_NONE\n\r");
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| 81 | #if LWIP_IPV4
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| 82 | fprintf(stderr, " our_ip4addr = %s\n\r", ip4addr_ntoa(netif_ip4_addr(pppif)));
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| 83 | fprintf(stderr, " his_ipaddr = %s\n\r", ip4addr_ntoa(netif_ip4_gw(pppif)));
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| 84 | fprintf(stderr, " netmask = %s\n\r", ip4addr_ntoa(netif_ip4_netmask(pppif)));
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| 85 | #endif /* LWIP_IPV4 */
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| 86 | #if LWIP_IPV6
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| 87 | fprintf(stderr, " our_ip6addr = %s\n\r", ip6addr_ntoa(netif_ip6_addr(pppif, 0)));
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| 88 | #endif /* LWIP_IPV6 */
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| 89 |
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| 90 | #if LWIP_DNS
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| 91 | ns = dns_getserver(0);
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| 92 | fprintf(stderr, " dns1 = %s\n\r", ipaddr_ntoa(ns));
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| 93 | ns = dns_getserver(1);
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| 94 | fprintf(stderr, " dns2 = %s\n\r", ipaddr_ntoa(ns));
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| 95 | #endif /* LWIP_DNS */
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| 96 | #if PPP_IPV6_SUPPORT
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| 97 | fprintf(stderr, " our6_ipaddr = %s\n\r", ip6addr_ntoa(netif_ip6_addr(pppif, 0)));
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| 98 | #endif /* PPP_IPV6_SUPPORT */
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| 99 | }
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| 100 | break;
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| 101 |
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| 102 | case PPPERR_PARAM: /* Invalid parameter. */
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| 103 | printf("ppp_link_status_cb: PPPERR_PARAM\n");
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| 104 | break;
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| 105 |
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| 106 | case PPPERR_OPEN: /* Unable to open PPP session. */
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| 107 | printf("ppp_link_status_cb: PPPERR_OPEN\n");
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| 108 | break;
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| 109 |
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| 110 | case PPPERR_DEVICE: /* Invalid I/O device for PPP. */
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| 111 | printf("ppp_link_status_cb: PPPERR_DEVICE\n");
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| 112 | break;
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| 113 |
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| 114 | case PPPERR_ALLOC: /* Unable to allocate resources. */
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| 115 | printf("ppp_link_status_cb: PPPERR_ALLOC\n");
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| 116 | break;
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| 117 |
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| 118 | case PPPERR_USER: /* User interrupt. */
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| 119 | printf("ppp_link_status_cb: PPPERR_USER\n");
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| 120 | break;
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| 121 |
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| 122 | case PPPERR_CONNECT: /* Connection lost. */
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| 123 | printf("ppp_link_status_cb: PPPERR_CONNECT\n");
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| 124 | break;
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| 125 |
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| 126 | case PPPERR_AUTHFAIL: /* Failed authentication challenge. */
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| 127 | printf("ppp_link_status_cb: PPPERR_AUTHFAIL\n");
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| 128 | break;
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| 129 |
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| 130 | case PPPERR_PROTOCOL: /* Failed to meet protocol. */
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| 131 | printf("ppp_link_status_cb: PPPERR_PROTOCOL\n");
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| 132 | break;
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| 133 |
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| 134 | case PPPERR_PEERDEAD: /* Connection timeout. */
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| 135 | printf("ppp_link_status_cb: PPPERR_PEERDEAD\n");
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| 136 | break;
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| 137 |
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| 138 | case PPPERR_IDLETIMEOUT: /* Idle Timeout. */
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| 139 | printf("ppp_link_status_cb: PPPERR_IDLETIMEOUT\n");
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| 140 | break;
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| 141 |
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| 142 | case PPPERR_CONNECTTIME: /* PPPERR_CONNECTTIME. */
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| 143 | printf("ppp_link_status_cb: PPPERR_CONNECTTIME\n");
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| 144 | break;
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| 145 |
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| 146 | case PPPERR_LOOPBACK: /* Connection timeout. */
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| 147 | printf("ppp_link_status_cb: PPPERR_LOOPBACK\n");
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| 148 | break;
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| 149 |
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| 150 | default:
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| 151 | printf("ppp_link_status_cb: unknown errCode %d\n", err_code);
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| 152 | break;
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| 153 | }
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| 154 | }
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| 155 |
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| 156 | static u32_t
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| 157 | ppp_output_cb(ppp_pcb *pcb, u8_t *data, u32_t len, void *ctx)
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| 158 | {
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| 159 | LWIP_UNUSED_ARG(pcb);
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| 160 | LWIP_UNUSED_ARG(ctx);
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| 161 | return sio_write(ppp_sio, data, len);
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| 162 | }
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| 163 |
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| 164 | #if LWIP_NETIF_STATUS_CALLBACK
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| 165 | static void
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| 166 | netif_status_callback(struct netif *nif)
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| 167 | {
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| 168 | printf("PPPNETIF: %c%c%d is %s\n", nif->name[0], nif->name[1], nif->num,
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| 169 | netif_is_up(nif) ? "UP" : "DOWN");
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| 170 | #if LWIP_IPV4
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| 171 | printf("IPV4: Host at %s ", ip4addr_ntoa(netif_ip4_addr(nif)));
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| 172 | printf("mask %s ", ip4addr_ntoa(netif_ip4_netmask(nif)));
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| 173 | printf("gateway %s\n", ip4addr_ntoa(netif_ip4_gw(nif)));
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| 174 | #endif /* LWIP_IPV4 */
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| 175 | #if LWIP_IPV6
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| 176 | printf("IPV6: Host at %s\n", ip6addr_ntoa(netif_ip6_addr(nif, 0)));
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| 177 | #endif /* LWIP_IPV6 */
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| 178 | #if LWIP_NETIF_HOSTNAME
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| 179 | printf("FQDN: %s\n", netif_get_hostname(nif));
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| 180 | #endif /* LWIP_NETIF_HOSTNAME */
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| 181 | }
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| 182 | #endif /* LWIP_NETIF_STATUS_CALLBACK */
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| 183 | #endif
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| 184 |
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| 185 | void
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| 186 | pppos_example_init(void)
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| 187 | {
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| 188 | #if PPPOS_SUPPORT
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| 189 | #if PPP_PTY_TEST
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| 190 | ppp_sio = sio_open(2);
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| 191 | #else
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| 192 | ppp_sio = sio_open(0);
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| 193 | #endif
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| 194 | if(!ppp_sio)
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| 195 | {
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| 196 | perror("PPPOS example: Error opening device");
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| 197 | return;
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| 198 | }
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| 199 |
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| 200 | ppp = pppos_create(&pppos_netif, ppp_output_cb, ppp_link_status_cb, NULL);
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| 201 | if (!ppp)
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| 202 | {
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| 203 | printf("PPPOS example: Could not create PPP control interface");
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| 204 | return;
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| 205 | }
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| 206 |
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| 207 | #ifdef LWIP_PPP_CHAP_TEST
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| 208 | ppp_set_auth(ppp, PPPAUTHTYPE_CHAP, "lwip", "mysecret");
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| 209 | #endif
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| 210 |
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| 211 | ppp_connect(ppp, 0);
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| 212 |
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| 213 | #if LWIP_NETIF_STATUS_CALLBACK
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| 214 | netif_set_status_callback(&pppos_netif, netif_status_callback);
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| 215 | #endif /* LWIP_NETIF_STATUS_CALLBACK */
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| 216 |
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| 217 | sys_thread_new("pppos_rx_thread", pppos_rx_thread, NULL, DEFAULT_THREAD_STACKSIZE, DEFAULT_THREAD_PRIO);
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| 218 | #endif /* PPPOS_SUPPORT */
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| 219 | }
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