149 lines
3 KiB
C
149 lines
3 KiB
C
/*
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generic/ip_ps.c
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pseudo IP specific part of the IP implementation
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Created: Apr 23, 1993 by Philip Homburg
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Copyright 1995 Philip Homburg
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*/
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#include "inet.h"
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#include "assert.h"
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#include "type.h"
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#include "buf.h"
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#include "event.h"
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#include "ip.h"
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#include "ip_int.h"
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#include "psip.h"
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THIS_FILE
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FORWARD void ipps_main ARGS(( ip_port_t *ip_port ));
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FORWARD void ipps_set_ipaddr ARGS(( ip_port_t *ip_port ));
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FORWARD int ipps_send ARGS(( struct ip_port *ip_port, ipaddr_t dest,
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acc_t *pack, int broadcast ));
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PUBLIC int ipps_init(ip_port)
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ip_port_t *ip_port;
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{
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int result;
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result= psip_enable(ip_port->ip_dl.dl_ps.ps_port, ip_port->ip_port);
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if (result == -1)
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return -1;
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#if ZERO
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ip_port->ip_dl.dl_ps.ps_send_head= NULL;
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ip_port->ip_dl.dl_ps.ps_send_tail= NULL;
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#endif
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ip_port->ip_dev_main= ipps_main;
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ip_port->ip_dev_set_ipaddr= ipps_set_ipaddr;
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ip_port->ip_dev_send= ipps_send;
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return result;
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}
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PUBLIC void ipps_get(ip_port_nr)
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int ip_port_nr;
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{
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int result;
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acc_t *pack;
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ip_port_t *ip_port;
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assert(ip_port_nr >= 0 && ip_port_nr < ip_conf_nr);
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ip_port= &ip_port_table[ip_port_nr];
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assert(ip_port->ip_dl_type == IPDL_PSIP);
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while (ip_port->ip_dl.dl_ps.ps_send_head != NULL)
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{
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pack= ip_port->ip_dl.dl_ps.ps_send_head;
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ip_port->ip_dl.dl_ps.ps_send_head= pack->acc_ext_link;
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result= psip_send(ip_port->ip_dl.dl_ps.ps_port, pack);
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if (result != NW_SUSPEND)
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{
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assert(result == NW_OK);
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continue;
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}
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pack->acc_ext_link= ip_port->ip_dl.dl_ps.ps_send_head;
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ip_port->ip_dl.dl_ps.ps_send_head= pack;
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if (pack->acc_ext_link == NULL)
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ip_port->ip_dl.dl_ps.ps_send_tail= pack;
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break;
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}
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}
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PUBLIC void ipps_put(ip_port_nr, pack)
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int ip_port_nr;
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acc_t *pack;
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{
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ip_port_t *ip_port;
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assert(ip_port_nr >= 0 && ip_port_nr < ip_conf_nr);
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ip_port= &ip_port_table[ip_port_nr];
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assert(ip_port->ip_dl_type == IPDL_PSIP);
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ip_arrived(ip_port, pack);
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}
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PRIVATE void ipps_main(ip_port)
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ip_port_t *ip_port;
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{
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/* nothing to do */
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}
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PRIVATE void ipps_set_ipaddr(ip_port)
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ip_port_t *ip_port;
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{
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int i;
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ip_fd_t *ip_fd;
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/* revive calls waiting for an ip addresses */
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for (i=0, ip_fd= ip_fd_table; i<IP_FD_NR; i++, ip_fd++)
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{
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if (!(ip_fd->if_flags & IFF_INUSE))
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{
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continue;
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}
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if (ip_fd->if_port != ip_port)
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{
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continue;
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}
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if (ip_fd->if_flags & IFF_GIPCONF_IP)
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{
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ip_ioctl (i, NWIOGIPCONF);
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}
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}
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}
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PRIVATE int ipps_send(ip_port, dest, pack, broadcast)
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struct ip_port *ip_port;
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ipaddr_t dest;
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acc_t *pack;
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int broadcast;
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{
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int result;
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if (broadcast)
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ip_arrived_broadcast(ip_port, bf_dupacc(pack));
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if (ip_port->ip_dl.dl_ps.ps_send_head == NULL)
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{
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result= psip_send(ip_port->ip_dl.dl_ps.ps_port, pack);
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if (result != NW_SUSPEND)
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{
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assert(result == NW_OK);
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return result;
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}
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assert (ip_port->ip_dl.dl_ps.ps_send_head == NULL);
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ip_port->ip_dl.dl_ps.ps_send_head= pack;
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}
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else
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ip_port->ip_dl.dl_ps.ps_send_tail->acc_ext_link= pack;
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ip_port->ip_dl.dl_ps.ps_send_tail= pack;
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pack->acc_ext_link= NULL;
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return NW_OK;
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}
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/*
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* $PchId: ip_ps.c,v 1.5 1995/11/21 06:45:27 philip Exp $
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*/
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