rt_3c905x.c File Reference

#include "lwip/opt.h"
#include "lwip/def.h"
#include "lwip/mem.h"
#include "lwip/pbuf.h"
#include "lwip/sys.h"
#include "netif/etharp.h"
#include "netif/rt_3c905x_exports.h"
#include "netif/ethernetif.h"
#include <unistd.h>
#include "bcopy.h"
#include <signal.h>
#include <rtl_sema.h>

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Data Structures
struct	rt_3c905cif
Defines
#define	IFNAME0   'e'
#define	IFNAME1   't'
#define	COM3_SIGNAL   RTL_SIGUSR2
Functions
void	rt_3c905cif_input (struct pbuf *p, struct netif *netif)
err_t	rt_3c905cif_output (struct netif *netif, struct pbuf *p, struct ip_addr *ipaddr)
void	rt_3c905cif_ethernetif_thread (void *arg)
void	rt_3com905cif_low_level_init (struct netif *netif)
err_t	rt_3com905cif_low_level_output (struct netif *rt_3c905cif, struct pbuf *p)
pbuf *	rt_3com905cif_low_level_input (struct rt_3c905cif *rt_3c905cif)
void	rt_3com905cif_etharp_timer (int signo)
err_t	rt_3c905cif_init (struct netif *netif)
void	rt_3c905cif_close (void)
Variables
ethernetif_thread_t	com3_thread
const struct eth_addr	rt_3c905cif_ethbroadcast = {{0xff,0xff,0xff,0xff,0xff,0xff}}
int	rt_3c905cif_fd
netif *	rt_3c905cif_netif

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Define Documentation

#define COM3_SIGNAL   RTL_SIGUSR2

Definition at line 99 of file rt_3c905x.c.

#define IFNAME0   'e'

Definition at line 97 of file rt_3c905x.c. Referenced by rt_3c905cif_init(), and rt_rtl8139if_init().

#define IFNAME1   't'

Definition at line 98 of file rt_3c905x.c. Referenced by rt_3c905cif_init(), and rt_rtl8139if_init().

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Function Documentation

void rt_3c905cif_close (  void   )

Definition at line 351 of file rt_3c905x.c. References com3_thread, and rt_3c905cif_fd. { /* Unregistering the thread */ ioctl(rt_3c905cif_fd, 4, (unsigned long) &com3_thread); /* Closing the 3Com905C-X card */ close(rt_3c905cif_fd); }

void rt_3c905cif_ethernetif_thread (  void *  arg  )  [static]

Definition at line 144 of file rt_3c905x.c. References NULL, rt_3c905cif_input(), and rt_3c905cif_netif. Referenced by rt_3com905cif_low_level_init(). { struct sched_param p; p . sched_priority = 100000; pthread_setschedparam (pthread_self(), SCHED_FIFO, &p); do{ rt_3c905cif_input(NULL, rt_3c905cif_netif); }while(1); }

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err_t rt_3c905cif_init (  struct netif *  netif  )

Definition at line 325 of file rt_3c905x.c. References ARP_TMR_INTERVAL, ERR_OK, etharp_init(), netif::hwaddr, netif::hwaddr_len, IFNAME0, IFNAME1, netif::linkoutput, mem_malloc(), netif::name, NULL, netif::output, rt_3c905cif_netif, rt_3c905cif_output(), rt_3com905cif_etharp_timer(), rt_3com905cif_low_level_init(), rt_3com905cif_low_level_output(), netif::state, sys_timeout(), and sys_timeout_handler. { struct rt_3c905cif *rt_3c905cif; rt_3c905cif = mem_malloc(sizeof(struct rt_3c905cif)); netif->state = rt_3c905cif; netif->name[0] = IFNAME0; netif->name[1] = IFNAME1; netif->output = rt_3c905cif_output; netif->linkoutput = rt_3com905cif_low_level_output; rt_3c905cif->ethaddr = (struct eth_addr *)&(netif->hwaddr[0]); netif->hwaddr_len = 6; rt_3c905cif_netif = netif; rt_3com905cif_low_level_init(netif); etharp_init(); sys_timeout(ARP_TMR_INTERVAL, (sys_timeout_handler)rt_3com905cif_etharp_timer, NULL); return ERR_OK; }

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void rt_3c905cif_input (  struct pbuf *  p, struct netif *  netif )  [static]

Definition at line 276 of file rt_3c905x.c. References etharp_arp_input(), etharp_ip_input(), ETHTYPE_ARP, ETHTYPE_IP, htons, netif::input, NULL, pbuf_free(), pbuf_header(), rt_3com905cif_low_level_input(), rt_3com905cif_low_level_output(), and netif::state. Referenced by rt_3c905cif_ethernetif_thread(). { /* Ethernet protocol layer */ struct eth_hdr *ethhdr; struct rt_3c905cif *rt_3c905cif = netif->state; struct pbuf *q = NULL , *p = NULL; p = rt_3com905cif_low_level_input(rt_3c905cif); ethhdr = p->payload; switch(htons(ethhdr->type)) { case ETHTYPE_IP: q = etharp_ip_input(netif, p); pbuf_header(p, -14); netif->input(p, netif); break; case ETHTYPE_ARP: q = etharp_arp_input(netif, rt_3c905cif->ethaddr, p); break; default: pbuf_free(p); break; } if(q != NULL) { rt_3com905cif_low_level_output(netif, q); pbuf_free(q); } }

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err_t rt_3c905cif_output (  struct netif *  netif, struct pbuf *  p, struct ip_addr *  ipaddr )  [static]

Definition at line 252 of file rt_3c905x.c. References ERR_OK, etharp_output(), ipaddr, NULL, and rt_3com905cif_low_level_output(). Referenced by rt_3c905cif_init(). { p = etharp_output(netif, ipaddr, p); if(p != NULL) { rt_3com905cif_low_level_output(netif, p); } return ERR_OK; }

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void rt_3com905cif_etharp_timer (  int  signo  )

Definition at line 308 of file rt_3c905x.c. References ARP_TMR_INTERVAL, etharp_tmr(), NULL, rt_3com905cif_etharp_timer(), sys_timeout(), and sys_timeout_handler. Referenced by rt_3c905cif_init(), and rt_3com905cif_etharp_timer(). { etharp_tmr(); sys_timeout(ARP_TMR_INTERVAL, (sys_timeout_handler)rt_3com905cif_etharp_timer, NULL); }

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void rt_3com905cif_low_level_init (  struct netif *  netif  )  [static]

Definition at line 119 of file rt_3c905x.c. References ip_addr::addr, COM3_905C_NAME, netif::ip_addr, rt_3c905cif_ethernetif_thread(), rt_3c905cif_fd, netif::state, and sys_thread_new(). Referenced by rt_3c905cif_init(). { struct rt_3c905cif *rt_3c905cif; char dev_name[]={"/dev/eth0"}; rt_3c905cif = netif->state; /* Do whatever else is needed to initialize interface. */ if((rt_3c905cif_fd=open(dev_name,0)) == -1) rtl_printf("ERROR OPENING /dev/%s0\n",COM3_905C_NAME); /* Obtain MAC address from network interface. */ ioctl(rt_3c905cif_fd, 2, (unsigned long) rt_3c905cif->ethaddr->addr); /* We set an IP filter to the ethernet card */ ioctl(rt_3c905cif_fd, 1, (unsigned long) netif->ip_addr.addr); // rtl_printf("ADRESS: %x:%x:%x:%x:%x:%x \n",rt_3c905cif->ethaddr->addr[0],rt_3c905cif->ethaddr->addr[1],rt_3c905cif->ethaddr->addr[2],rt_3c905cif->ethaddr->addr[3],rt_3c905cif->ethaddr->addr[4],rt_3c905cif->ethaddr->addr[5]); sys_thread_new(rt_3c905cif_ethernetif_thread, netif, 0); return ; }

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struct pbuf* rt_3com905cif_low_level_input (  struct rt_3c905cif *  rt_3c905cif  )  [static]

Definition at line 209 of file rt_3c905x.c. References bcopy(), len, NULL, pbuf_alloc(), PBUF_LINK, PBUF_POOL, rt_3c905cif_fd, sys_arch_close(), and u16_t. Referenced by rt_3c905cif_input(). { struct pbuf *p, *q; struct memory receive_buffer; unsigned char *bufptr; u16_t len; /* Obtain the size of the packet and put it into the "len" variable. */ len = read(rt_3c905cif_fd,(void *) &receive_buffer,1536); /* We allocate a pbuf chain of pbufs from the pool. */ p = pbuf_alloc(PBUF_LINK, len, PBUF_POOL); if(p != NULL) { /* We iterate over the pbuf chain until we have read the entire packet into the pbuf. */ bufptr = receive_buffer.mem; for(q = p; q != NULL; q = q->next) { /* Read enough bytes to fill this pbuf in the chain. The avaliable data in the pbuf is given by the q->len variable. */ bcopy(bufptr, q->payload, q->len); bufptr += q->len; } } else { rtl_printf("ERROR:Not enough memory!!!\n"); sys_arch_close(); } return p; }

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err_t rt_3com905cif_low_level_output (  struct netif *  rt_3c905cif, struct pbuf *  p )

Definition at line 168 of file rt_3c905x.c. References bcopy(), ERR_OK, NULL, and rt_3c905cif_fd. Referenced by rt_3c905cif_init(), rt_3c905cif_input(), and rt_3c905cif_output(). { struct pbuf *q; unsigned char buf[1536]; unsigned char *bufptr; //initiate transfer; bufptr = buf; for(q = p; q != NULL; q = q->next) { /* Send the data from the pbuf to the interface, one pbuf at a time. The size of the data in each pbuf is kept in the ->len variable. */ bcopy(q->payload, bufptr, q->len); bufptr += q->len; } //signal that packet should be sent; { int tmp; int counter=0; while((tmp = write(rt_3c905cif_fd,buf,p->tot_len)) == -1){ counter++; usleep(1); } } return ERR_OK; }

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Variable Documentation

ethernetif_thread_t com3_thread

Definition at line 101 of file rt_3c905x.c. Referenced by rt_3c905cif_close().

const struct eth_addr rt_3c905cif_ethbroadcast = {{0xff,0xff,0xff,0xff,0xff,0xff}} [static]

Definition at line 107 of file rt_3c905x.c.

int rt_3c905cif_fd [static]

Definition at line 108 of file rt_3c905x.c. Referenced by rt_3c905cif_close(), rt_3com905cif_low_level_init(), rt_3com905cif_low_level_input(), and rt_3com905cif_low_level_output().

struct netif* rt_3c905cif_netif [static]

Definition at line 109 of file rt_3c905x.c. Referenced by rt_3c905cif_ethernetif_thread(), and rt_3c905cif_init().

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