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292 lines
10 KiB
C
292 lines
10 KiB
C
/**************************************************************************/
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/**************************************************************************/
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/** */
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/** NetX PPPoE Client stack Component */
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/** */
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/** This is a small demo of the high-performance NetX PPPoE Client */
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/** stack. This demo includes IP instance, PPPoE Client and PPP Client */
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/** stack. Create one IP instance includes two interfaces to support */
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/** for normal IP stack and PPPoE Client, PPPoE Client can use the */
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/** mutex of IP instance to send PPPoE message when share one Ethernet */
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/** driver. PPPoE Client work with normal IP instance at the same time. */
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/** */
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/** Note1: Substitute your Ethernet driver instead of */
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/** _nx_ram_network_driver before run this demo */
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/** */
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/** Note2: Prerequisite for using PPPoE. */
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/** Redefine NX_PHYSICAL_HEADER to 24 to ensure enough space for filling*/
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/** in physical header. Physical header:14(Ethernet header) */
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/** + 6(PPPoE header) + 2(PPP header) + 2(four-byte aligment) */
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/** */
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/**************************************************************************/
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/**************************************************************************/
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/*****************************************************************/
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/* NetX Stack */
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/*****************************************************************/
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/***************************/
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/* PPP Client */
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/***************************/
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/***************************/
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/* PPPoE Client */
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/***************************/
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/***************************/ /***************************/
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/* Normal Ethernet Type */ /* PPPoE Ethernet Type */
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/***************************/ /***************************/
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/***************************/ /***************************/
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/* Interface 0 */ /* Interface 1 */
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/***************************/ /***************************/
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/*****************************************************************/
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/* Ethernet Dirver */
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/*****************************************************************/
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#include "tx_api.h"
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#include "nx_api.h"
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#include "nx_ppp.h"
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#include "nx_pppoe_client.h"
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#ifndef NX_DISABLE_IPV4
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/* Defined NX_PPP_PPPOE_ENABLE if use Express Logic's PPP, since PPP module has been modified to match PPPoE moduler under this definition. */
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#ifdef NX_PPP_PPPOE_ENABLE
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/* If the driver is not initialized in other module, define NX_PPPOE_CLIENT_INITIALIZE_DRIVER_ENABLE to initialize the driver in PPPoE module .
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In this demo, the driver has been initialized in IP module. */
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#ifndef NX_PPPOE_CLIENT_INITIALIZE_DRIVER_ENABLE
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/* Define the block size. */
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#define NX_PACKET_POOL_SIZE ((1536 + sizeof(NX_PACKET)) * 30)
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#define DEMO_STACK_SIZE 2048
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#define PPPOE_THREAD_SIZE 2048
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/* Define the ThreadX and NetX object control blocks... */
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TX_THREAD thread_0;
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/* Define the packet pool and IP instance for normal IP instnace. */
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NX_PACKET_POOL pool_0;
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NX_IP ip_0;
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/* Define the PPP Client instance. */
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NX_PPP ppp_client;
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/* Define the PPPoE Client instance. */
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NX_PPPOE_CLIENT pppoe_client;
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/* Define the counters. */
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CHAR *pointer;
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ULONG error_counter;
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/* Define thread prototypes. */
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void thread_0_entry(ULONG thread_input);
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/***** Substitute your PPP driver entry function here *********/
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extern void _nx_ppp_driver(NX_IP_DRIVER *driver_req_ptr);
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/***** Substitute your Ethernet driver entry function here *********/
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extern void _nx_ram_network_driver(NX_IP_DRIVER *driver_req_ptr);
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/* Define the porting layer function for Express Logic's PPP to simulate TTP's PPP.
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Functions to be provided by PPP for calling by the PPPoE Stack. */
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void ppp_client_packet_send(NX_PACKET *packet_ptr);
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void pppoe_client_packet_receive(NX_PACKET *packet_ptr);
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/* Define main entry point. */
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int main()
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{
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/* Enter the ThreadX kernel. */
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tx_kernel_enter();
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}
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UINT generate_login(CHAR *name, CHAR *password)
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{
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/* Make a name and password, called "myname" and "mypassword". */
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name[0] = 'm';
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name[1] = 'y';
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name[2] = 'n';
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name[3] = 'a';
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name[4] = 'm';
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name[5] = 'e';
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name[6] = (CHAR) 0;
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password[0] = 'm';
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password[1] = 'y';
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password[2] = 'p';
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password[3] = 'a';
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password[4] = 's';
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password[5] = 's';
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password[6] = 'w';
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password[7] = 'o';
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password[8] = 'r';
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password[9] = 'd';
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password[10] = (CHAR) 0;
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return(NX_SUCCESS);
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}
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/* Define what the initial system looks like. */
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void tx_application_define(void *first_unused_memory)
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{
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UINT status;
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/* Setup the working pointer. */
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pointer = (CHAR *) first_unused_memory;
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/* Initialize the NetX system. */
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nx_system_initialize();
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/* Create a packet pool for normal IP instance. */
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status = nx_packet_pool_create(&pool_0, "NetX Main Packet Pool",
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(1536 + sizeof(NX_PACKET)),
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pointer, NX_PACKET_POOL_SIZE);
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pointer = pointer + NX_PACKET_POOL_SIZE;
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/* Check for error. */
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if (status)
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error_counter++;
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/* Create an normal IP instance. */
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status = nx_ip_create(&ip_0, "NetX IP Instance", IP_ADDRESS(192, 168, 100, 44), 0xFFFFFF00UL, &pool_0, _nx_ram_network_driver,
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pointer, 2048, 1);
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pointer = pointer + 2048;
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/* Check for error. */
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if (status)
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error_counter++;
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/* Create the PPP instance. */
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status = nx_ppp_create(&ppp_client, "PPP Instance", &ip_0, pointer, 2048, 1, &pool_0, NX_NULL, NX_NULL);
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pointer = pointer + 2048;
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/* Check for PPP create error. */
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if (status)
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error_counter++;
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/* Set the PPP packet send function. */
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status = nx_ppp_packet_send_set(&ppp_client, ppp_client_packet_send);
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/* Check for PPP packet send function set error. */
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if (status)
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error_counter++;
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/* Define IP address. This PPP instance is effectively the client since it doesn't have any IP addresses. */
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status = nx_ppp_ip_address_assign(&ppp_client, IP_ADDRESS(0, 0, 0, 0), IP_ADDRESS(0, 0, 0, 0));
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/* Check for PPP IP address assign error. */
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if (status)
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error_counter++;
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/* Setup PAP, this PPP instance is effectively the since it generates the name and password for the peer.. */
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status = nx_ppp_pap_enable(&ppp_client, generate_login, NX_NULL);
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/* Check for PPP PAP enable error. */
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if (status)
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error_counter++;
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/* Attach an interface for PPP. */
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status = nx_ip_interface_attach(&ip_0, "Second Interface For PPP", IP_ADDRESS(0, 0, 0, 0), 0, nx_ppp_driver);
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/* Check for error. */
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if (status)
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error_counter++;
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/* Enable ARP and supply ARP cache memory for Normal IP Instance. */
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status = nx_arp_enable(&ip_0, (void *) pointer, 1024);
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pointer = pointer + 1024;
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/* Check for ARP enable errors. */
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if (status)
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error_counter++;
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/* Enable ICMP */
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status = nx_icmp_enable(&ip_0);
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if(status)
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error_counter++;
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/* Enable UDP traffic. */
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status = nx_udp_enable(&ip_0);
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if (status)
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error_counter++;
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/* Enable TCP traffic. */
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status = nx_tcp_enable(&ip_0);
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if (status)
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error_counter++;
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/* Create the main thread. */
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tx_thread_create(&thread_0, "thread 0", thread_0_entry, 0,
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pointer, DEMO_STACK_SIZE,
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4, 4, TX_NO_TIME_SLICE, TX_AUTO_START);
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pointer = pointer + DEMO_STACK_SIZE;
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}
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/* Define the test threads. */
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void thread_0_entry(ULONG thread_input)
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{
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UINT status;
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ULONG ip_status;
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/* Create the PPPoE instance. */
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status = nx_pppoe_client_create(&pppoe_client, (UCHAR *)"PPPoE Client", &ip_0, 0, &pool_0, pointer, PPPOE_THREAD_SIZE, 4, _nx_ram_network_driver, pppoe_client_packet_receive);
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pointer = pointer + PPPOE_THREAD_SIZE;
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if (status)
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{
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error_counter++;
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return;
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}
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/* Establish PPPoE Client sessione. */
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status = nx_pppoe_client_session_connect(&pppoe_client, NX_WAIT_FOREVER);
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if (status)
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{
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error_counter++;
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return;
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}
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/* Wait for the link to come up. */
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status = nx_ip_interface_status_check(&ip_0, 1, NX_IP_ADDRESS_RESOLVED, &ip_status, NX_WAIT_FOREVER);
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if (status)
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{
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error_counter++;
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return;
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}
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/* Get the PPPoE Server physical address and Session ID after establish PPPoE Session. */
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/*
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status = nx_pppoe_client_session_get(&pppoe_client, &server_mac_msw, &server_mac_lsw, &session_id);
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if (status)
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error_counter++;
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*/
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}
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/* PPPoE Client receive function. */
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void pppoe_client_packet_receive(NX_PACKET *packet_ptr)
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{
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/* Call PPP Client to receive the PPP data fame. */
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nx_ppp_packet_receive(&ppp_client, packet_ptr);
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}
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/* PPP Client send function. */
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void ppp_client_packet_send(NX_PACKET *packet_ptr)
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{
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/* Directly Call PPPoE send function to send out the data through PPPoE module. */
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nx_pppoe_client_session_packet_send(&pppoe_client, packet_ptr);
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}
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#endif /* NX_PPPOE_CLIENT_INITIALIZE_DRIVER_ENABLE */
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#endif /* NX_PPP_PPPOE_ENABLE */
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#endif /* NX_DISABLE_IPV4 */
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