Vodafone K3770/K3772-Z modems driver & networking library
Dependencies: Socket USBHostWANDongle lwip-sys lwip
Dependents: VodafoneUSBModemHTTPClientTest VodafoneUSBModemNTPClientTest VodafoneUSBModemSMSTest VodafoneUSBModemUSSDTest ... more
Fork of VodafoneUSBModem_bleedingedge by
This is the driver for the Vodafone K3700 & K3772-Z Dongles:
More details and instructions can be found here.
Diff: main/if/ip/PPPIPInterface.cpp
- Revision:
- 8:04b6a042595f
- Parent:
- 7:2069ba77b6b8
- Child:
- 9:3f077dde13c9
- Child:
- 10:21a6f09d5631
--- a/main/if/ip/PPPIPInterface.cpp Fri Jun 08 13:30:06 2012 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,262 +0,0 @@ -/* PPPIPInterface.cpp */ -/* -Copyright (C) 2012 ARM Limited. - -Permission is hereby granted, free of charge, to any person obtaining a copy of -this software and associated documentation files (the "Software"), to deal in -the Software without restriction, including without limitation the rights to -use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies -of the Software, and to permit persons to whom the Software is furnished to do -so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. -*/ - -#define __DEBUG__ 2 //Maximum verbosity -#ifndef __MODULE__ -#define __MODULE__ "PPPIPInterface.cpp" -#endif - -#include "core/fwk.h" -#include "rtos.h" - -#include "PPPIPInterface.h" - -extern "C" { -#include "lwip/ip_addr.h" -#include "lwip/inet.h" -#include "netif/ppp/ppp.h" -} - -#if NET_PPP - -PPPIPInterface::PPPIPInterface(IOStream* pStream) : LwIPInterface(), m_linkStatusSphre(1), m_pppErrCode(0), m_pStream(pStream), m_streamAvail(true), m_pppd(-1) -{ - m_linkStatusSphre.wait(); -} - -/*virtual*/ PPPIPInterface::~PPPIPInterface() -{ - -} - -/*virtual*/ int PPPIPInterface::init() //Init PPP-specific stuff, create the right bindings, etc -{ - DBG("Initializing LwIP"); - LwIPInterface::init(); //Init LwIP, NOT including PPP - DBG("Initializing PPP"); - pppInit(); - DBG("Done"); - return OK; -} - -int PPPIPInterface::setup(const char* user, const char* pw) -{ - DBG("Configuring PPP authentication method"); - pppSetAuth(PPPAUTHTYPE_ANY, user, pw); - DBG("Done"); - return OK; -} - -/*virtual*/ int PPPIPInterface::connect() -{ - DBG("Trying to connect with PPP"); - m_linkStatusSphre.wait(0); - if((m_pppd != -1) && (m_pppErrCode == 0)) //Already connected - { - return NET_INVALID; - } - int ret = pppOverSerialOpen(this, PPPIPInterface::linkStatusCb, this); - if(ret < 0) - { - switch(ret) - { - case PPPERR_OPEN: - default: - return NET_FULL; //All available resources are already used - } - } - m_pppd = ret; //PPP descriptor - m_linkStatusSphre.wait(); //Block indefinitely; there should be a timeout there - if(m_pppErrCode != PPPERR_NONE) - { - m_pppd = -1; - } - switch(m_pppErrCode) - { - case PPPERR_NONE: //Connected OK - return OK; - case PPPERR_CONNECT: //Connection lost - return NET_INTERRUPTED; - case PPPERR_AUTHFAIL: //Authentication failed - return NET_AUTH; - case PPPERR_PROTOCOL: //Protocol error - return NET_PROTOCOL; - default: - return NET_UNKNOWN; - } -} - -/*virtual*/ int PPPIPInterface::disconnect() -{ - int ret = m_linkStatusSphre.wait(0); - if(ret > 0) //Already disconnected? - { - m_pppd = -1; //Discard PPP descriptor - switch(m_pppErrCode) - { - case PPPERR_CONNECT: //Connection terminated - case PPPERR_AUTHFAIL: //Authentication failed - case PPPERR_PROTOCOL: //Protocol error - case PPPERR_USER: - return OK; - default: - return NET_UNKNOWN; - } - } - else - { - if(m_pppd == -1) - { - return NET_INVALID; - } - pppClose(m_pppd); - do - { - m_linkStatusSphre.wait(); //Block indefinitely; there should be a timeout there - DBG("Received PPP err code %d", m_pppErrCode); - } while(m_pppErrCode != PPPERR_USER); - m_pppd = -1; //Discard PPP descriptor - } - return OK; -} - -/*static*/ void PPPIPInterface::linkStatusCb(void *ctx, int errCode, void *arg) //PPP link status -{ - PPPIPInterface* pIf = (PPPIPInterface*)ctx; - struct ppp_addrs* addrs = (struct ppp_addrs*) arg; - - switch(errCode) - { - case PPPERR_NONE: - WARN("Connected via PPP."); - DBG("Local IP address: %s", inet_ntoa(addrs->our_ipaddr)); - DBG("Netmask: %s", inet_ntoa(addrs->netmask)); - DBG("Remote IP address: %s", inet_ntoa(addrs->his_ipaddr)); - DBG("Primary DNS: %s", inet_ntoa(addrs->dns1)); - DBG("Secondary DNS: %s", inet_ntoa(addrs->dns2)); - break; - case PPPERR_CONNECT: //Connection lost - WARN("Connection lost/terminated"); - break; - case PPPERR_AUTHFAIL: //Authentication failed - WARN("Authentication failed"); - break; - case PPPERR_PROTOCOL: //Protocol error - WARN("Protocol error"); - break; - case PPPERR_USER: - WARN("Disconnected by user"); - break; - default: - WARN("Unknown error (%d)", errCode); - break; - } - - pIf->m_linkStatusSphre.wait(0); //If previous event has not been handled, "delete" it now - pIf->m_pppErrCode = errCode; - pIf->m_linkStatusSphre.release(); -} - -//LwIP PPP implementation -extern "C" -{ - -/** - * Writes to the serial device. - * - * @param fd serial device handle - * @param data pointer to data to send - * @param len length (in bytes) of data to send - * @return number of bytes actually sent - * - * @note This function will block until all data can be sent. - */ -u32_t sio_write(sio_fd_t fd, u8_t *data, u32_t len) -{ - DBG("sio_write"); - PPPIPInterface* pIf = (PPPIPInterface*)fd; - int ret; - if(!pIf->m_streamAvail) //If stream is not available (it is a shared resource) don't go further - { - return 0; - } - ret = pIf->m_pStream->write(data, len, osWaitForever); //Blocks until all data is sent or an error happens - if(ret != OK) - { - return 0; - } - return len; -} - -/** - * Reads from the serial device. - * - * @param fd serial device handle - * @param data pointer to data buffer for receiving - * @param len maximum length (in bytes) of data to receive - * @return number of bytes actually received - may be 0 if aborted by sio_read_abort - * - * @note This function will block until data can be received. The blocking - * can be cancelled by calling sio_read_abort(). - */ -u32_t sio_read(sio_fd_t fd, u8_t *data, u32_t len) -{ - DBG("sio_read"); - PPPIPInterface* pIf = (PPPIPInterface*)fd; - int ret; - size_t readLen; - if(!pIf->m_streamAvail) //If stream is not available (it is a shared resource) don't go further - { - WARN("EXIT NOT AVAIL"); - return 0; - } - ret = pIf->m_pStream->read(data, &readLen, len, osWaitForever); //Blocks until some data is received or an error happens - if(ret != OK) - { - return 0; - } - DBG("ret"); - return readLen; -} - -/** - * Aborts a blocking sio_read() call. - * - * @param fd serial device handle - */ -void sio_read_abort(sio_fd_t fd) -{ - DBG("sio_read_abort"); - PPPIPInterface* pIf = (PPPIPInterface*)fd; - if(!pIf->m_streamAvail) //If stream is not available (it is a shared resource) don't go further - { - return; - } - pIf->m_pStream->abortRead(); - DBG("ret"); -} - -} - -#endif -