ip_in.c,v

来自「TCP-IP红宝书源代码」· C,V 代码 · 共 49 行

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date	97.09.21.19.27.09;	author dls;	state Dist;
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@/* ip_in.c - ip_in */

#include <conf.h>
#include <kernel.h>
#include <network.h>

/*------------------------------------------------------------------------
 *  ip_in - IP input function
 *------------------------------------------------------------------------
 */
int ip_in(pni, pep)
struct	netif	*pni;
struct	ep	*pep;
{
	struct	ip	*pip = (struct ip *)pep->ep_data;

	IpInReceives++;
	if (enq(pni->ni_ipinq, pep, pip->ip_tos & IP_PREC) < 0) {
		IpInDiscards++;
		freebuf(pep);
	}
	send(ippid, (pni-&nif[0]));
	return OK;
}
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