esp_err_t esp_modem_setup_ppp(modem_dte_t *dte)
{
modem_dce_t *dce = dte->dce;
MODEM_CHECK(dce, "DTE has not yet bind with DCE", err);
esp_modem_dte_t *esp_dte = __containerof(dte, esp_modem_dte_t, parent);
/* Set PDP Context */
MODEM_CHECK(dce->define_pdp_context(dce, 1, "IP", CONFIG_ESP_MODEM_APN) == ESP_OK, "set MODEM APN failed", err);
/* Enter PPP mode */
MODEM_CHECK(dte->change_mode(dte, MODEM_PPP_MODE) == ESP_OK, "enter ppp mode failed", err);
/* Create PPPoS interface */
esp_dte->ppp = pppapi_pppos_create(&(esp_dte->pppif), pppos_low_level_output, on_ppp_status_changed, dte);
MODEM_CHECK(esp_dte->ppp, "create pppos interface failed", err);
#if PPP_NOTIFY_PHASE
ppp_set_notify_phase_callback(esp_dte->ppp, on_ppp_notify_phase);
#endif
/* Initiate PPP client connection */
/* Set default route */
MODEM_CHECK(pppapi_set_default(esp_dte->ppp) == ERR_OK, "set default route failed", err);
/* Ask the peer for up to 2 DNS server addresses */
ppp_set_usepeerdns(esp_dte->ppp, 1);
/* Auth configuration */
#if PAP_SUPPORT
pppapi_set_auth(esp_dte->ppp, PPPAUTHTYPE_PAP, CONFIG_ESP_MODEM_PPP_AUTH_USERNAME, CONFIG_ESP_MODEM_PPP_AUTH_PASSWORD);
#elif CHAP_SUPPORT
pppapi_set_auth(esp_dte->ppp, PPPAUTHTYPE_CHAP, CONFIG_ESP_MODEM_PPP_AUTH_USERNAME, CONFIG_ESP_MODEM_PPP_AUTH_PASSWORD);
#else
#error "Unsupported AUTH Negotiation"
#endif
/* Initiate PPP negotiation, without waiting */
MODEM_CHECK(pppapi_connect(esp_dte->ppp, 0) == ERR_OK, "initiate ppp negotiation failed", err);
esp_event_post_to(esp_dte->event_loop_hdl, ESP_MODEM_EVENT, MODEM_EVENT_PPP_START, NULL, 0, 0);
return ESP_OK;
err:
return ESP_FAIL;
}
/**
* Call ppp_set_notify_phase_callback() inside the tcpip_thread context.
*/
static err_t
pppapi_do_ppp_set_notify_phase_callback(struct tcpip_api_call_data *m)
{
/* cast through void* to silence alignment warnings.
* We know it works because the structs have been instantiated as struct pppapi_msg */
struct pppapi_msg *msg = (struct pppapi_msg *)(void*)m;
ppp_set_notify_phase_callback(msg->msg.ppp, msg->msg.msg.setnotifyphasecb.notify_phase_cb);
return ERR_OK;
}
/**
* Call ppp_set_notify_phase_callback() inside the tcpip_thread context.
*/
static void
pppapi_do_ppp_set_notify_phase_callback(struct pppapi_msg_msg *msg)
{
ppp_set_notify_phase_callback(msg->ppp, msg->msg.setnotifyphasecb.notify_phase_cb);
TCPIP_PPPAPI_ACK(msg);
}
