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1 | office | 1 | /** |
2 | * @file |
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3 | * Point To Point Protocol Sequential API module |
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4 | * |
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5 | */ |
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6 | |||
7 | /* |
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8 | * Redistribution and use in source and binary forms, with or without modification, |
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9 | * are permitted provided that the following conditions are met: |
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10 | * |
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11 | * 1. Redistributions of source code must retain the above copyright notice, |
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12 | * this list of conditions and the following disclaimer. |
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13 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
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14 | * this list of conditions and the following disclaimer in the documentation |
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15 | * and/or other materials provided with the distribution. |
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16 | * 3. The name of the author may not be used to endorse or promote products |
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17 | * derived from this software without specific prior written permission. |
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18 | * |
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19 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
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20 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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21 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT |
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22 | * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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23 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT |
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24 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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25 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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26 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
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27 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY |
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28 | * OF SUCH DAMAGE. |
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29 | * |
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30 | * This file is part of the lwIP TCP/IP stack. |
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31 | * |
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32 | */ |
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33 | |||
34 | #include "netif/ppp/ppp_opts.h" |
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35 | |||
36 | #if LWIP_PPP_API /* don't build if not configured for use in lwipopts.h */ |
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37 | |||
38 | #include "netif/ppp/pppapi.h" |
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39 | #include "lwip/priv/tcpip_priv.h" |
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40 | #include "netif/ppp/pppoe.h" |
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41 | #include "netif/ppp/pppol2tp.h" |
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42 | #include "netif/ppp/pppos.h" |
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43 | |||
44 | #if LWIP_MPU_COMPATIBLE |
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45 | LWIP_MEMPOOL_DECLARE(PPPAPI_MSG, MEMP_NUM_PPP_API_MSG, sizeof(struct pppapi_msg), "PPPAPI_MSG") |
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46 | #endif |
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47 | |||
48 | #define PPPAPI_VAR_REF(name) API_VAR_REF(name) |
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49 | #define PPPAPI_VAR_DECLARE(name) API_VAR_DECLARE(struct pppapi_msg, name) |
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50 | #define PPPAPI_VAR_ALLOC(name) API_VAR_ALLOC_POOL(struct pppapi_msg, PPPAPI_MSG, name, ERR_MEM) |
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51 | #define PPPAPI_VAR_ALLOC_RETURN_NULL(name) API_VAR_ALLOC_POOL(struct pppapi_msg, PPPAPI_MSG, name, NULL) |
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52 | #define PPPAPI_VAR_FREE(name) API_VAR_FREE_POOL(PPPAPI_MSG, name) |
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53 | |||
54 | /** |
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55 | * Call ppp_set_default() inside the tcpip_thread context. |
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56 | */ |
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57 | static err_t |
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58 | pppapi_do_ppp_set_default(struct tcpip_api_call_data *m) |
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59 | { |
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60 | /* cast through void* to silence alignment warnings. |
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61 | * We know it works because the structs have been instantiated as struct pppapi_msg */ |
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62 | struct pppapi_msg *msg = (struct pppapi_msg *)(void*)m; |
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63 | |||
64 | ppp_set_default(msg->msg.ppp); |
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65 | return ERR_OK; |
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66 | } |
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67 | |||
68 | /** |
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69 | * Call ppp_set_default() in a thread-safe way by running that function inside the |
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70 | * tcpip_thread context. |
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71 | */ |
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72 | err_t |
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73 | pppapi_set_default(ppp_pcb *pcb) |
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74 | { |
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75 | err_t err; |
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76 | PPPAPI_VAR_DECLARE(msg); |
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77 | PPPAPI_VAR_ALLOC(msg); |
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78 | |||
79 | PPPAPI_VAR_REF(msg).msg.ppp = pcb; |
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80 | err = tcpip_api_call(pppapi_do_ppp_set_default, &PPPAPI_VAR_REF(msg).call); |
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81 | PPPAPI_VAR_FREE(msg); |
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82 | return err; |
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83 | } |
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84 | |||
85 | |||
86 | #if PPP_NOTIFY_PHASE |
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87 | /** |
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88 | * Call ppp_set_notify_phase_callback() inside the tcpip_thread context. |
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89 | */ |
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90 | static err_t |
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91 | pppapi_do_ppp_set_notify_phase_callback(struct tcpip_api_call_data *m) |
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92 | { |
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93 | /* cast through void* to silence alignment warnings. |
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94 | * We know it works because the structs have been instantiated as struct pppapi_msg */ |
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95 | struct pppapi_msg *msg = (struct pppapi_msg *)(void*)m; |
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96 | |||
97 | ppp_set_notify_phase_callback(msg->msg.ppp, msg->msg.msg.setnotifyphasecb.notify_phase_cb); |
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98 | return ERR_OK; |
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99 | } |
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100 | |||
101 | /** |
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102 | * Call ppp_set_notify_phase_callback() in a thread-safe way by running that function inside the |
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103 | * tcpip_thread context. |
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104 | */ |
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105 | err_t |
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106 | pppapi_set_notify_phase_callback(ppp_pcb *pcb, ppp_notify_phase_cb_fn notify_phase_cb) |
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107 | { |
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108 | err_t err; |
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109 | PPPAPI_VAR_DECLARE(msg); |
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110 | PPPAPI_VAR_ALLOC(msg); |
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111 | |||
112 | PPPAPI_VAR_REF(msg).msg.ppp = pcb; |
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113 | PPPAPI_VAR_REF(msg).msg.msg.setnotifyphasecb.notify_phase_cb = notify_phase_cb; |
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114 | err = tcpip_api_call(pppapi_do_ppp_set_notify_phase_callback, &PPPAPI_VAR_REF(msg).call); |
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115 | PPPAPI_VAR_FREE(msg); |
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116 | return err; |
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117 | } |
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118 | #endif /* PPP_NOTIFY_PHASE */ |
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119 | |||
120 | |||
121 | #if PPPOS_SUPPORT |
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122 | /** |
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123 | * Call pppos_create() inside the tcpip_thread context. |
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124 | */ |
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125 | static err_t |
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126 | pppapi_do_pppos_create(struct tcpip_api_call_data *m) |
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127 | { |
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128 | /* cast through void* to silence alignment warnings. |
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129 | * We know it works because the structs have been instantiated as struct pppapi_msg */ |
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130 | struct pppapi_msg *msg = (struct pppapi_msg *)(void*)m; |
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131 | |||
132 | msg->msg.ppp = pppos_create(msg->msg.msg.serialcreate.pppif, msg->msg.msg.serialcreate.output_cb, |
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133 | msg->msg.msg.serialcreate.link_status_cb, msg->msg.msg.serialcreate.ctx_cb); |
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134 | return ERR_OK; |
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135 | } |
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136 | |||
137 | /** |
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138 | * Call pppos_create() in a thread-safe way by running that function inside the |
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139 | * tcpip_thread context. |
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140 | */ |
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141 | ppp_pcb* |
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142 | pppapi_pppos_create(struct netif *pppif, pppos_output_cb_fn output_cb, |
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143 | ppp_link_status_cb_fn link_status_cb, void *ctx_cb) |
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144 | { |
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145 | ppp_pcb* result; |
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146 | PPPAPI_VAR_DECLARE(msg); |
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147 | PPPAPI_VAR_ALLOC_RETURN_NULL(msg); |
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148 | |||
149 | PPPAPI_VAR_REF(msg).msg.ppp = NULL; |
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150 | PPPAPI_VAR_REF(msg).msg.msg.serialcreate.pppif = pppif; |
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151 | PPPAPI_VAR_REF(msg).msg.msg.serialcreate.output_cb = output_cb; |
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152 | PPPAPI_VAR_REF(msg).msg.msg.serialcreate.link_status_cb = link_status_cb; |
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153 | PPPAPI_VAR_REF(msg).msg.msg.serialcreate.ctx_cb = ctx_cb; |
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154 | tcpip_api_call(pppapi_do_pppos_create, &PPPAPI_VAR_REF(msg).call); |
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155 | result = PPPAPI_VAR_REF(msg).msg.ppp; |
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156 | PPPAPI_VAR_FREE(msg); |
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157 | return result; |
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158 | } |
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159 | #endif /* PPPOS_SUPPORT */ |
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160 | |||
161 | |||
162 | #if PPPOE_SUPPORT |
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163 | /** |
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164 | * Call pppoe_create() inside the tcpip_thread context. |
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165 | */ |
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166 | static err_t |
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167 | pppapi_do_pppoe_create(struct tcpip_api_call_data *m) |
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168 | { |
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169 | /* cast through void* to silence alignment warnings. |
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170 | * We know it works because the structs have been instantiated as struct pppapi_msg */ |
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171 | struct pppapi_msg *msg = (struct pppapi_msg *)(void*)m; |
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172 | |||
173 | msg->msg.ppp = pppoe_create(msg->msg.msg.ethernetcreate.pppif, msg->msg.msg.ethernetcreate.ethif, |
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174 | msg->msg.msg.ethernetcreate.service_name, msg->msg.msg.ethernetcreate.concentrator_name, |
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175 | msg->msg.msg.ethernetcreate.link_status_cb, msg->msg.msg.ethernetcreate.ctx_cb); |
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176 | return ERR_OK; |
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177 | } |
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178 | |||
179 | /** |
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180 | * Call pppoe_create() in a thread-safe way by running that function inside the |
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181 | * tcpip_thread context. |
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182 | */ |
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183 | ppp_pcb* |
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184 | pppapi_pppoe_create(struct netif *pppif, struct netif *ethif, const char *service_name, |
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185 | const char *concentrator_name, ppp_link_status_cb_fn link_status_cb, |
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186 | void *ctx_cb) |
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187 | { |
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188 | ppp_pcb* result; |
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189 | PPPAPI_VAR_DECLARE(msg); |
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190 | PPPAPI_VAR_ALLOC_RETURN_NULL(msg); |
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191 | |||
192 | PPPAPI_VAR_REF(msg).msg.ppp = NULL; |
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193 | PPPAPI_VAR_REF(msg).msg.msg.ethernetcreate.pppif = pppif; |
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194 | PPPAPI_VAR_REF(msg).msg.msg.ethernetcreate.ethif = ethif; |
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195 | PPPAPI_VAR_REF(msg).msg.msg.ethernetcreate.service_name = service_name; |
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196 | PPPAPI_VAR_REF(msg).msg.msg.ethernetcreate.concentrator_name = concentrator_name; |
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197 | PPPAPI_VAR_REF(msg).msg.msg.ethernetcreate.link_status_cb = link_status_cb; |
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198 | PPPAPI_VAR_REF(msg).msg.msg.ethernetcreate.ctx_cb = ctx_cb; |
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199 | tcpip_api_call(pppapi_do_pppoe_create, &PPPAPI_VAR_REF(msg).call); |
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200 | result = PPPAPI_VAR_REF(msg).msg.ppp; |
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201 | PPPAPI_VAR_FREE(msg); |
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202 | return result; |
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203 | } |
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204 | #endif /* PPPOE_SUPPORT */ |
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205 | |||
206 | |||
207 | #if PPPOL2TP_SUPPORT |
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208 | /** |
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209 | * Call pppol2tp_create() inside the tcpip_thread context. |
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210 | */ |
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211 | static err_t |
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212 | pppapi_do_pppol2tp_create(struct tcpip_api_call_data *m) |
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213 | { |
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214 | /* cast through void* to silence alignment warnings. |
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215 | * We know it works because the structs have been instantiated as struct pppapi_msg */ |
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216 | struct pppapi_msg *msg = (struct pppapi_msg *)(void*)m; |
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217 | |||
218 | msg->msg.ppp = pppol2tp_create(msg->msg.msg.l2tpcreate.pppif, |
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219 | msg->msg.msg.l2tpcreate.netif, API_EXPR_REF(msg->msg.msg.l2tpcreate.ipaddr), msg->msg.msg.l2tpcreate.port, |
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220 | #if PPPOL2TP_AUTH_SUPPORT |
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221 | msg->msg.msg.l2tpcreate.secret, |
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222 | msg->msg.msg.l2tpcreate.secret_len, |
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223 | #else /* PPPOL2TP_AUTH_SUPPORT */ |
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224 | NULL, |
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225 | 0, |
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226 | #endif /* PPPOL2TP_AUTH_SUPPORT */ |
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227 | msg->msg.msg.l2tpcreate.link_status_cb, msg->msg.msg.l2tpcreate.ctx_cb); |
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228 | return ERR_OK; |
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229 | } |
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230 | |||
231 | /** |
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232 | * Call pppol2tp_create() in a thread-safe way by running that function inside the |
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233 | * tcpip_thread context. |
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234 | */ |
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235 | ppp_pcb* |
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236 | pppapi_pppol2tp_create(struct netif *pppif, struct netif *netif, ip_addr_t *ipaddr, u16_t port, |
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237 | const u8_t *secret, u8_t secret_len, |
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238 | ppp_link_status_cb_fn link_status_cb, void *ctx_cb) |
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239 | { |
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240 | ppp_pcb* result; |
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241 | PPPAPI_VAR_DECLARE(msg); |
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242 | PPPAPI_VAR_ALLOC_RETURN_NULL(msg); |
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243 | #if !PPPOL2TP_AUTH_SUPPORT |
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244 | LWIP_UNUSED_ARG(secret); |
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245 | LWIP_UNUSED_ARG(secret_len); |
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246 | #endif /* !PPPOL2TP_AUTH_SUPPORT */ |
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247 | |||
248 | PPPAPI_VAR_REF(msg).msg.ppp = NULL; |
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249 | PPPAPI_VAR_REF(msg).msg.msg.l2tpcreate.pppif = pppif; |
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250 | PPPAPI_VAR_REF(msg).msg.msg.l2tpcreate.netif = netif; |
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251 | PPPAPI_VAR_REF(msg).msg.msg.l2tpcreate.ipaddr = PPPAPI_VAR_REF(ipaddr); |
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252 | PPPAPI_VAR_REF(msg).msg.msg.l2tpcreate.port = port; |
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253 | #if PPPOL2TP_AUTH_SUPPORT |
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254 | PPPAPI_VAR_REF(msg).msg.msg.l2tpcreate.secret = secret; |
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255 | PPPAPI_VAR_REF(msg).msg.msg.l2tpcreate.secret_len = secret_len; |
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256 | #endif /* PPPOL2TP_AUTH_SUPPORT */ |
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257 | PPPAPI_VAR_REF(msg).msg.msg.l2tpcreate.link_status_cb = link_status_cb; |
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258 | PPPAPI_VAR_REF(msg).msg.msg.l2tpcreate.ctx_cb = ctx_cb; |
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259 | tcpip_api_call(pppapi_do_pppol2tp_create, &PPPAPI_VAR_REF(msg).call); |
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260 | result = PPPAPI_VAR_REF(msg).msg.ppp; |
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261 | PPPAPI_VAR_FREE(msg); |
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262 | return result; |
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263 | } |
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264 | #endif /* PPPOL2TP_SUPPORT */ |
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265 | |||
266 | |||
267 | /** |
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268 | * Call ppp_connect() inside the tcpip_thread context. |
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269 | */ |
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270 | static err_t |
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271 | pppapi_do_ppp_connect(struct tcpip_api_call_data *m) |
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272 | { |
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273 | /* cast through void* to silence alignment warnings. |
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274 | * We know it works because the structs have been instantiated as struct pppapi_msg */ |
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275 | struct pppapi_msg *msg = (struct pppapi_msg *)(void*)m; |
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276 | |||
277 | return ppp_connect(msg->msg.ppp, msg->msg.msg.connect.holdoff); |
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278 | } |
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279 | |||
280 | /** |
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281 | * Call ppp_connect() in a thread-safe way by running that function inside the |
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282 | * tcpip_thread context. |
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283 | */ |
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284 | err_t |
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285 | pppapi_connect(ppp_pcb *pcb, u16_t holdoff) |
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286 | { |
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287 | err_t err; |
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288 | PPPAPI_VAR_DECLARE(msg); |
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289 | PPPAPI_VAR_ALLOC(msg); |
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290 | |||
291 | PPPAPI_VAR_REF(msg).msg.ppp = pcb; |
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292 | PPPAPI_VAR_REF(msg).msg.msg.connect.holdoff = holdoff; |
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293 | err = tcpip_api_call(pppapi_do_ppp_connect, &PPPAPI_VAR_REF(msg).call); |
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294 | PPPAPI_VAR_FREE(msg); |
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295 | return err; |
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296 | } |
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297 | |||
298 | |||
299 | #if PPP_SERVER |
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300 | /** |
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301 | * Call ppp_listen() inside the tcpip_thread context. |
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302 | */ |
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303 | static err_t |
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304 | pppapi_do_ppp_listen(struct tcpip_api_call_data *m) |
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305 | { |
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306 | /* cast through void* to silence alignment warnings. |
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307 | * We know it works because the structs have been instantiated as struct pppapi_msg */ |
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308 | struct pppapi_msg *msg = (struct pppapi_msg *)(void*)m; |
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309 | |||
310 | return ppp_listen(msg->msg.ppp); |
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311 | } |
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312 | |||
313 | /** |
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314 | * Call ppp_listen() in a thread-safe way by running that function inside the |
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315 | * tcpip_thread context. |
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316 | */ |
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317 | err_t |
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318 | pppapi_listen(ppp_pcb *pcb) |
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319 | { |
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320 | err_t err; |
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321 | PPPAPI_VAR_DECLARE(msg); |
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322 | PPPAPI_VAR_ALLOC(msg); |
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323 | |||
324 | PPPAPI_VAR_REF(msg).msg.ppp = pcb; |
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325 | err = tcpip_api_call(pppapi_do_ppp_listen, &PPPAPI_VAR_REF(msg).call); |
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326 | PPPAPI_VAR_FREE(msg); |
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327 | return err; |
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328 | } |
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329 | #endif /* PPP_SERVER */ |
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330 | |||
331 | |||
332 | /** |
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333 | * Call ppp_close() inside the tcpip_thread context. |
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334 | */ |
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335 | static err_t |
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336 | pppapi_do_ppp_close(struct tcpip_api_call_data *m) |
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337 | { |
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338 | /* cast through void* to silence alignment warnings. |
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339 | * We know it works because the structs have been instantiated as struct pppapi_msg */ |
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340 | struct pppapi_msg *msg = (struct pppapi_msg *)(void*)m; |
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341 | |||
342 | return ppp_close(msg->msg.ppp, msg->msg.msg.close.nocarrier); |
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343 | } |
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344 | |||
345 | /** |
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346 | * Call ppp_close() in a thread-safe way by running that function inside the |
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347 | * tcpip_thread context. |
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348 | */ |
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349 | err_t |
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350 | pppapi_close(ppp_pcb *pcb, u8_t nocarrier) |
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351 | { |
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352 | err_t err; |
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353 | PPPAPI_VAR_DECLARE(msg); |
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354 | PPPAPI_VAR_ALLOC(msg); |
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355 | |||
356 | PPPAPI_VAR_REF(msg).msg.ppp = pcb; |
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357 | PPPAPI_VAR_REF(msg).msg.msg.close.nocarrier = nocarrier; |
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358 | err = tcpip_api_call(pppapi_do_ppp_close, &PPPAPI_VAR_REF(msg).call); |
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359 | PPPAPI_VAR_FREE(msg); |
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360 | return err; |
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361 | } |
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362 | |||
363 | |||
364 | /** |
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365 | * Call ppp_free() inside the tcpip_thread context. |
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366 | */ |
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367 | static err_t |
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368 | pppapi_do_ppp_free(struct tcpip_api_call_data *m) |
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369 | { |
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370 | /* cast through void* to silence alignment warnings. |
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371 | * We know it works because the structs have been instantiated as struct pppapi_msg */ |
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372 | struct pppapi_msg *msg = (struct pppapi_msg *)(void*)m; |
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373 | |||
374 | return ppp_free(msg->msg.ppp); |
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375 | } |
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376 | |||
377 | /** |
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378 | * Call ppp_free() in a thread-safe way by running that function inside the |
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379 | * tcpip_thread context. |
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380 | */ |
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381 | err_t |
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382 | pppapi_free(ppp_pcb *pcb) |
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383 | { |
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384 | err_t err; |
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385 | PPPAPI_VAR_DECLARE(msg); |
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386 | PPPAPI_VAR_ALLOC(msg); |
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387 | |||
388 | PPPAPI_VAR_REF(msg).msg.ppp = pcb; |
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389 | err = tcpip_api_call(pppapi_do_ppp_free, &PPPAPI_VAR_REF(msg).call); |
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390 | PPPAPI_VAR_FREE(msg); |
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391 | return err; |
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392 | } |
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393 | |||
394 | |||
395 | /** |
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396 | * Call ppp_ioctl() inside the tcpip_thread context. |
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397 | */ |
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398 | static err_t |
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399 | pppapi_do_ppp_ioctl(struct tcpip_api_call_data *m) |
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400 | { |
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401 | /* cast through void* to silence alignment warnings. |
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402 | * We know it works because the structs have been instantiated as struct pppapi_msg */ |
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403 | struct pppapi_msg *msg = (struct pppapi_msg *)(void*)m; |
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404 | |||
405 | return ppp_ioctl(msg->msg.ppp, msg->msg.msg.ioctl.cmd, msg->msg.msg.ioctl.arg); |
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406 | } |
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407 | |||
408 | /** |
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409 | * Call ppp_ioctl() in a thread-safe way by running that function inside the |
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410 | * tcpip_thread context. |
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411 | */ |
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412 | err_t |
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413 | pppapi_ioctl(ppp_pcb *pcb, u8_t cmd, void *arg) |
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414 | { |
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415 | err_t err; |
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416 | PPPAPI_VAR_DECLARE(msg); |
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417 | PPPAPI_VAR_ALLOC(msg); |
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418 | |||
419 | PPPAPI_VAR_REF(msg).msg.ppp = pcb; |
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420 | PPPAPI_VAR_REF(msg).msg.msg.ioctl.cmd = cmd; |
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421 | PPPAPI_VAR_REF(msg).msg.msg.ioctl.arg = arg; |
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422 | err = tcpip_api_call(pppapi_do_ppp_ioctl, &PPPAPI_VAR_REF(msg).call); |
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423 | PPPAPI_VAR_FREE(msg); |
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424 | return err; |
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425 | } |
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426 | |||
427 | #endif /* LWIP_PPP_API */ |