#include <sys/errno.h>
#include <sys/types.h>
#include <sys/param.h>
#include <machine/spl.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/filedesc.h>
#include <sys/fcntl.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <net/if.h>
#include <netat/sysglue.h>
#include <netat/appletalk.h>
#include <netat/ep.h>
#include <netat/ddp.h>
#include <netat/debug.h>
#include <netat/at_snmp.h>
#include <netat/at_pcb.h>
#include <netat/at_var.h>
extern snmpStats_t snmpStats;
void ep_input (mp, ifID)
gbuf_t *mp;
register at_ifaddr_t *ifID;
{
register at_ddp_t *ddp;
snmpStats.ec_echoReq++;
ddp = (at_ddp_t *)gbuf_rptr(mp);
if ( NET_VALUE(ddp->src_net) == 0 || ddp->src_node == 255) {
gbuf_freem(mp);
return;
}
if (!ROUTING_MODE ||
(ifID->ifThisNode.s_net == NET_VALUE(ddp->dst_net))
&& (ifID->ifThisNode.s_node == ddp->dst_node)) {
dPrintf(D_M_AEP, D_L_INFO, ("aep_input: received for this port from %d:%d\n",
NET_VALUE(ddp->src_net), ddp->src_node));
if (ddp->type == DDP_ECHO &&
ddp->data[0] == EP_REQUEST) {
ddp->data[0] = EP_REPLY;
NET_NET(ddp->dst_net, ddp->src_net);
ddp->dst_node = ddp->src_node;
ddp->dst_socket = ddp->src_socket;
snmpStats.ec_echoReply++;
(void)ddp_output(&mp, (at_socket)EP_SOCKET, FALSE);
} else
gbuf_freem(mp);
}
else {
dPrintf(D_M_AEP, D_L_INFO,
("aep_input: calling routing needed from %d:%d to %d:%d\n",
NET_VALUE(ddp->src_net), ddp->src_node, NET_VALUE(ddp->dst_net),
ddp->dst_node));
routing_needed(mp, ifID, TRUE);
}
return;
}