rt-thread-official/components/net/uip/rt-thread/uip_tcpip.c

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2013-01-08 22:40:58 +08:00
#include "uip_pbuf.h"
#include "uip-conf.h"
#include "rtdef.h"
#include "uip.h"
#include "uip_arp.h"
#include "uip_netif.h"
err_t
tcpip_input(struct pbuf *p, struct netif *inp)
{
int i;
u8_t *pdata;
if (uip_len)
{
uip_arp_out();
if (( pdata =(u8_t*)rt_malloc(1500*sizeof(u8_t))) == RT_NULL)
{
pbuf_free(p);
return 1;
}
for (i=0; i < (UIP_LLH_LEN + 40); ++i) // 14+40 =54
{
pdata[i] = uip_buf[i]; /* get dest an src ipaddr */
}
// Copy the data portion part
for(; i < uip_len; ++i)
{
pdata[i] = uip_appdata[i - UIP_LLH_LEN - 40 ];
}
p ->payload = pdata;
p->len = uip_len;
inp->linkoutput(inp,p);
rt_free(pdata);
return 1;
}
else
{
pbuf_free(p);
return 0;
}
}