[457] | 1 | /**
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| 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 |
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| 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 |
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| 34 | #include "netif/ppp/ppp_opts.h"
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| 35 |
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| 36 | #if LWIP_PPP_API /* don't build if not configured for use in lwipopts.h */
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| 37 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 85 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 120 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 161 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 206 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 266 |
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| 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 |
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| 277 | return ppp_connect(msg->msg.ppp, msg->msg.msg.connect.holdoff);
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| 278 | }
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| 279 |
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| 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 |
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| 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 |
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| 298 |
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| 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 |
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| 310 | return ppp_listen(msg->msg.ppp);
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| 311 | }
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| 312 |
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| 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 |
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| 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 |
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| 331 |
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| 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 |
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| 342 | return ppp_close(msg->msg.ppp, msg->msg.msg.close.nocarrier);
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| 343 | }
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| 344 |
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| 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 |
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| 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 |
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| 363 |
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| 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 |
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| 374 | return ppp_free(msg->msg.ppp);
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| 375 | }
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| 376 |
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| 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 |
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| 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 |
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| 394 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 427 | #endif /* LWIP_PPP_API */
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