sergiotarxz/nuttx
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Add basic structure to support multiple network interfaces

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@343 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2007-09-15 22:45:45 +00:00
parent c4e326ea5f
commit e2b5323f8f
1 changed files with 31 additions and 30 deletions
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61
arch/sim/src/up_uipdriver.c
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@ -55,7 +55,7 @@
* Private Definitions
****************************************************************************/
#define BUF ((struct uip_eth_hdr *)&uip_buf[0])
#define BUF ((struct uip_eth_hdr *)g_sim_dev.d_buf)
/****************************************************************************
* Private Types
@ -75,8 +75,9 @@ struct timer
* Private Data
****************************************************************************/
static struct timer periodic_timer;
static struct timer arp_timer;
static struct timer g_periodic_timer;
static struct timer g_arp_timer;
static struct uip_driver_s g_sim_dev;
/****************************************************************************
* Private Functions
@ -106,82 +107,82 @@ void uipdriver_loop(void)
{
int i;
uip_len = tapdev_read((unsigned char*)uip_buf, UIP_BUFSIZE);
if (uip_len > 0)
g_sim_dev.d_len = tapdev_read((unsigned char*)g_sim_dev.d_buf, UIP_BUFSIZE);
if (g_sim_dev.d_len > 0)
{
if (BUF->type == htons(UIP_ETHTYPE_IP))
{
uip_arp_ipin();
uip_input();
uip_input(&g_sim_dev);
/* If the above function invocation resulted in data that
* should be sent out on the network, the global variable
* uip_len is set to a value > 0.
* d_len is set to a value > 0.
*/
if (uip_len > 0)
if (g_sim_dev.d_len > 0)
{
uip_arp_out();
tapdev_send((char*)uip_buf, uip_len);
uip_arp_out(&g_sim_dev);
tapdev_send((char*)g_sim_dev.d_buf, g_sim_dev.d_len);
}
}
else if (BUF->type == htons(UIP_ETHTYPE_ARP))
{
uip_arp_arpin();
uip_arp_arpin(&g_sim_dev);
/* If the above function invocation resulted in data that
* should be sent out on the network, the global variable
* uip_len is set to a value > 0.
* d_len is set to a value > 0.
*/
if (uip_len > 0)
if (g_sim_dev.d_len > 0)
{
tapdev_send((char*)uip_buf, uip_len);
tapdev_send((char*)g_sim_dev.d_buf, g_sim_dev.d_len);
}
}
}
else if (timer_expired(&periodic_timer))
else if (timer_expired(&g_periodic_timer))
{
timer_reset(&periodic_timer);
timer_reset(&g_periodic_timer);
for(i = 0; i < UIP_CONNS; i++)
{
uip_tcppoll(i);
uip_tcppoll(&g_sim_dev,i);
/* If the above function invocation resulted in data that
* should be sent out on the network, the global variable
* uip_len is set to a value > 0.
* d_len is set to a value > 0.
*/
if (uip_len > 0)
if (g_sim_dev.d_len > 0)
{
uip_arp_out();
tapdev_send((char*)uip_buf, uip_len);
uip_arp_out(&g_sim_dev);
tapdev_send((char*)g_sim_dev.d_buf, g_sim_dev.d_len);
}
}
#ifdef CONFIG_NET_UDP
for(i = 0; i < UIP_UDP_CONNS; i++)
{
uip_udppoll(i);
uip_udppoll(&g_sim_dev,i);
/* If the above function invocation resulted in data that
* should be sent out on the network, the global variable
* uip_len is set to a value > 0.
* d_len is set to a value > 0.
*/
if (uip_len > 0)
if (g_sim_dev.d_len > 0)
{
uip_arp_out();
tapdev_send((char*)uip_buf, uip_len);
uip_arp_out(&g_sim_dev);
tapdev_send((char*)g_sim_dev.d_buf, g_sim_dev.d_len);
}
}
#endif /* CONFIG_NET_UDP */
/* Call the ARP timer function every 10 seconds. */
if (timer_expired(&arp_timer))
if (timer_expired(&g_arp_timer))
{
timer_reset(&arp_timer);
timer_reset(&g_arp_timer);
uip_arp_timer();
}
}
@ -189,8 +190,8 @@ void uipdriver_loop(void)
int uipdriver_init(void)
{
timer_set(&periodic_timer, 500);
timer_set(&arp_timer, 10000 );
timer_set(&g_periodic_timer, 500);
timer_set(&g_arp_timer, 10000 );
tapdev_init();
uip_init();