コード例 #1
0
ファイル: udp.c プロジェクト: AgamAgarwal/minix
void udp_init()
{
	udp_fd_t *udp_fd;
	udp_port_t *udp_port;
	int i, j, ifno;

	assert (BUF_S >= sizeof(struct nwio_ipopt));
	assert (BUF_S >= sizeof(struct nwio_ipconf));
	assert (BUF_S >= sizeof(struct nwio_udpopt));
	assert (BUF_S >= sizeof(struct udp_io_hdr));
	assert (UDP_HDR_SIZE == sizeof(udp_hdr_t));
	assert (UDP_IO_HDR_SIZE == sizeof(udp_io_hdr_t));

	for (i= 0, udp_fd= udp_fd_table; i<UDP_FD_NR; i++, udp_fd++)
	{
		udp_fd->uf_flags= UFF_EMPTY;
		udp_fd->uf_rdbuf_head= NULL;
	}

#ifndef BUF_CONSISTENCY_CHECK
	bf_logon(udp_buffree);
#else
	bf_logon(udp_buffree, udp_bufcheck);
#endif

	for (i= 0, udp_port= udp_port_table; i<udp_conf_nr; i++, udp_port++)
	{
		udp_port->up_ipdev= udp_conf[i].uc_port;

		udp_port->up_flags= UPF_EMPTY;
		udp_port->up_state= UPS_EMPTY;
		udp_port->up_next_fd= udp_fd_table;
		udp_port->up_write_fd= NULL;
		udp_port->up_wr_pack= NULL;
		udp_port->up_port_any= NULL;
		for (j= 0; j<UDP_PORT_HASH_NR; j++)
			udp_port->up_port_hash[j]= NULL;

		ifno= ip_conf[udp_port->up_ipdev].ic_ifno;
		sr_add_minor(if2minor(ifno, UDP_DEV_OFF),
			i, udp_open, udp_close, udp_read,
			udp_write, udp_ioctl, udp_cancel, udp_select);

		udp_main(udp_port);
	}
}
コード例 #2
0
ファイル: ip.c プロジェクト: 7shi/minix-tools
PUBLIC void ip_init()
{
	int i, j, result;
	ip_ass_t *ip_ass;
	ip_fd_t *ip_fd;
	ip_port_t *ip_port;
	struct ip_conf *icp;

	assert (BUF_S >= sizeof(struct nwio_ethopt));
	assert (BUF_S >= IP_MAX_HDR_SIZE + ETH_HDR_SIZE);
	assert (BUF_S >= sizeof(nwio_ipopt_t));
	assert (BUF_S >= sizeof(nwio_route_t));

	for (i=0, ip_ass= ip_ass_table; i<IP_ASS_NR; i++, ip_ass++)
	{
		ip_ass->ia_frags= 0;
		ip_ass->ia_first_time= 0;
		ip_ass->ia_port= 0;
	}

	for (i=0, ip_fd= ip_fd_table; i<IP_FD_NR; i++, ip_fd++)
	{
		ip_fd->if_flags= IFF_EMPTY;
		ip_fd->if_rdbuf_head= 0;
	}

	for (i=0, ip_port= ip_port_table, icp= ip_conf;
		i<ip_conf_nr; i++, ip_port++, icp++)
	{
		ip_port->ip_port= i;
		ip_port->ip_flags= IPF_EMPTY;
		ip_port->ip_dev_main= (ip_dev_t)ip_bad_callback;
		ip_port->ip_dev_set_ipaddr= (ip_dev_t)ip_bad_callback;
		ip_port->ip_dev_send= (ip_dev_send_t)ip_bad_callback;
		ip_port->ip_dl_type= icp->ic_devtype;
		ip_port->ip_mtu= IP_DEF_MTU;
		ip_port->ip_mtu_max= IP_MAX_PACKSIZE;

		switch(ip_port->ip_dl_type)
		{
		case IPDL_ETH:
			ip_port->ip_dl.dl_eth.de_port= icp->ic_port;
			result= ipeth_init(ip_port);
			if (result == -1)
				continue;
			assert(result == NW_OK);
			break;
		case IPDL_PSIP:
			ip_port->ip_dl.dl_ps.ps_port= icp->ic_port;
			result= ipps_init(ip_port);
			if (result == -1)
				continue;
			assert(result == NW_OK);
			break;
		default:
			ip_panic(( "unknown ip_dl_type %d", 
							ip_port->ip_dl_type ));
			break;
		}
		ip_port->ip_loopb_head= NULL;
		ip_port->ip_loopb_tail= NULL;
		ev_init(&ip_port->ip_loopb_event);
		ip_port->ip_routeq_head= NULL;
		ip_port->ip_routeq_tail= NULL;
		ev_init(&ip_port->ip_routeq_event);
		ip_port->ip_flags |= IPF_CONFIGURED;
		ip_port->ip_proto_any= NULL;
		for (j= 0; j<IP_PROTO_HASH_NR; j++)
			ip_port->ip_proto[j]= NULL;
	}

#ifndef BUF_CONSISTENCY_CHECK
	bf_logon(ip_buffree);
#else
	bf_logon(ip_buffree, ip_bufcheck);
#endif

	icmp_init();
	ipr_init();

	for (i=0, ip_port= ip_port_table; i<ip_conf_nr; i++, ip_port++)
	{
		if (!(ip_port->ip_flags & IPF_CONFIGURED))
			continue;
		ip_port->ip_frame_id= (u16_t)get_time();

		sr_add_minor(if2minor(ip_conf[i].ic_ifno, IP_DEV_OFF),
			i, ip_open, ip_close, ip_read,
			ip_write, ip_ioctl, ip_cancel, ip_select);

		(*ip_port->ip_dev_main)(ip_port);
	}
}
コード例 #3
0
ファイル: mnx_eth.c プロジェクト: Johnwei386/Minix3
PUBLIC void osdep_eth_init()
{
	int i, r, tasknr, rport;
	struct eth_conf *ecp;
	eth_port_t *eth_port, *rep;
	message mess;

	/* First initialize normal ethernet interfaces */
	for (i= 0, ecp= eth_conf, eth_port= eth_port_table;
		i<eth_conf_nr; i++, ecp++, eth_port++)
	{
		if (eth_is_vlan(ecp))
			continue;
#ifdef __minix_vmd
		r= sys_findproc(ecp->ec_task, &tasknr, 0);
#else /* Minix 3 */
		r = findproc(ecp->ec_task, &tasknr);
#endif 
		if (r != OK)
		{
			printf("eth%d: unable to find task %s: %d\n",
				i, ecp->ec_task, r);
			continue;
		}

 		eth_port->etp_osdep.etp_port= ecp->ec_port;
		eth_port->etp_osdep.etp_task= tasknr;
		ev_init(&eth_port->etp_osdep.etp_recvev);

		mess.m_type= DL_INIT;
		mess.DL_PORT= eth_port->etp_osdep.etp_port;
		mess.DL_PROC= this_proc;
		mess.DL_MODE= DL_NOMODE;

		r= send(eth_port->etp_osdep.etp_task, &mess);
		if (r<0)
		{
			printf(
		"osdep_eth_init: unable to send to ethernet task, error= %d\n",
				r);
			continue;
		}

		if (receive(eth_port->etp_osdep.etp_task, &mess)<0)
			ip_panic(("unable to receive"));

		if (mess.m3_i1 == ENXIO)
		{
			printf(
		"osdep_eth_init: no ethernet device at task=%d,port=%d\n",
				eth_port->etp_osdep.etp_task, 
				eth_port->etp_osdep.etp_port);
			continue;
		}
		if (mess.m3_i1 < 0)
			ip_panic(("osdep_eth_init: DL_INIT returned error %d\n",
				mess.m3_i1));
			
		if (mess.m3_i1 != eth_port->etp_osdep.etp_port)
		{
			ip_panic((
	"osdep_eth_init: got reply for wrong port (got %d, expected %d)\n",
				mess.m3_i1, eth_port->etp_osdep.etp_port));
		}

		eth_port->etp_ethaddr= *(ether_addr_t *)mess.m3_ca1;

		sr_add_minor(if2minor(ecp->ec_ifno, ETH_DEV_OFF),
			i, eth_open, eth_close, eth_read, 
			eth_write, eth_ioctl, eth_cancel, eth_select);

		eth_port->etp_flags |= EPF_ENABLED;
		eth_port->etp_vlan= 0;
		eth_port->etp_vlan_port= NULL;
		eth_port->etp_wr_pack= 0;
		eth_port->etp_rd_pack= 0;
		setup_read (eth_port);
	}

	/* And now come the VLANs */
	for (i= 0, ecp= eth_conf, eth_port= eth_port_table;
		i<eth_conf_nr; i++, ecp++, eth_port++)
	{
		if (!eth_is_vlan(ecp))
			continue;

 		eth_port->etp_osdep.etp_port= ecp->ec_port;
		eth_port->etp_osdep.etp_task= ANY;
		ev_init(&eth_port->etp_osdep.etp_recvev);

		rport= eth_port->etp_osdep.etp_port;
		assert(rport >= 0 && rport < eth_conf_nr);
		rep= &eth_port_table[rport];
		if (!(rep->etp_flags & EPF_ENABLED))
		{
			printf(
			"eth%d: underlying ethernet device %d not enabled",
				i, rport);
			continue;
		}
		if (rep->etp_vlan != 0)
		{
			printf(
			"eth%d: underlying ethernet device %d is a VLAN",
				i, rport);
			continue;
		}
		
		eth_port->etp_ethaddr= rep->etp_ethaddr;

		sr_add_minor(if2minor(ecp->ec_ifno, ETH_DEV_OFF),
			i, eth_open, eth_close, eth_read, 
			eth_write, eth_ioctl, eth_cancel, eth_select);

		eth_port->etp_flags |= EPF_ENABLED;
		eth_port->etp_vlan= ecp->ec_vlan;
		eth_port->etp_vlan_port= rep;
		assert(eth_port->etp_vlan != 0);
		eth_port->etp_wr_pack= 0;
		eth_port->etp_rd_pack= 0;
		eth_reg_vlan(rep, eth_port);
	}
}
コード例 #4
0
ファイル: mnx_eth.c プロジェクト: aunali1/Minix2.0.4-RPi
PUBLIC void osdep_eth_init()
{
	int i, r, tasknr;
	struct eth_conf *ecp;
	eth_port_t *eth_port;
	message mess, repl_mess;

	for (i= 0, eth_port= eth_port_table, ecp= eth_conf;
		i<eth_conf_nr; i++, eth_port++, ecp++)
	{
		r= sys_findproc(ecp->ec_task, &tasknr, 0);
		if (r != OK)
		{
			ip_panic(( "unable to find task %s: %d\n",
				ecp->ec_task, r ));
		}

		eth_port->etp_osdep.etp_port= ecp->ec_port;
		eth_port->etp_osdep.etp_task= tasknr;
		ev_init(&eth_port->etp_osdep.etp_recvev);

		mess.m_type= DL_INIT;
		mess.DL_PORT= eth_port->etp_osdep.etp_port;
		mess.DL_PROC= this_proc;
		mess.DL_MODE= DL_NOMODE;

		r= send(eth_port->etp_osdep.etp_task, &mess);
		if (r<0)
		{
#if !CRAMPED
			printf(
		"osdep_eth_init: unable to send to ethernet task, error= %d\n",
				r);
#endif
			continue;
		}

		if (receive(eth_port->etp_osdep.etp_task, &mess)<0)
			ip_panic(("unable to receive"));

		if (mess.m3_i1 == ENXIO)
		{
#if !CRAMPED
			printf(
		"osdep_eth_init: no ethernet device at task=%d,port=%d\n",
				eth_port->etp_osdep.etp_task,
				eth_port->etp_osdep.etp_port);
#endif
			continue;
		}
		if (mess.m3_i1 != eth_port->etp_osdep.etp_port)
			ip_panic(("osdep_eth_init: DL_INIT error or wrong port: %d\n",
				mess.m3_i1));

		eth_port->etp_ethaddr= *(ether_addr_t *)mess.m3_ca1;

		sr_add_minor(if2minor(ecp->ec_ifno, ETH_DEV_OFF),
			i, eth_open, eth_close, eth_read, 
			eth_write, eth_ioctl, eth_cancel);

		eth_port->etp_flags |= EPF_ENABLED;
		eth_port->etp_wr_pack= 0;
		eth_port->etp_rd_pack= 0;
		setup_read (eth_port);
		eth_port++;
	}
}
コード例 #5
0
PUBLIC void osdep_eth_init()
{
	int i, j, rport;
	struct eth_conf *ecp;
	eth_port_t *eth_port, *rep;
	cp_grant_id_t gid;

	/* First initialize normal ethernet interfaces */
	for (i= 0, ecp= eth_conf, eth_port= eth_port_table;
		i<eth_conf_nr; i++, ecp++, eth_port++)
	{
		/* Set all grants to invalid */
		for (j= 0; j<IOVEC_NR; j++)
			eth_port->etp_osdep.etp_wr_iovec[j].iov_grant= -1;
		eth_port->etp_osdep.etp_wr_vec_grant= -1;
		for (j= 0; j<RD_IOVEC; j++)
			eth_port->etp_osdep.etp_rd_iovec[j].iov_grant= -1;
		eth_port->etp_osdep.etp_rd_vec_grant= -1;

		eth_port->etp_osdep.etp_state= OEPS_INIT;
		eth_port->etp_osdep.etp_flags= OEPF_EMPTY;
		eth_port->etp_osdep.etp_stat_gid= -1;
		eth_port->etp_osdep.etp_stat_buf= NULL;

		if (eth_is_vlan(ecp))
			continue;

		/* Allocate grants */
		for (j= 0; j<IOVEC_NR; j++)
		{
			if (cpf_getgrants(&gid, 1) != 1)
			{
				ip_panic((
			"osdep_eth_init: cpf_getgrants failed: %d\n",
					errno));
			}
			eth_port->etp_osdep.etp_wr_iovec[j].iov_grant= gid;
		}
		if (cpf_getgrants(&gid, 1) != 1)
		{
			ip_panic((
		"osdep_eth_init: cpf_getgrants failed: %d\n",
				errno));
		}
		eth_port->etp_osdep.etp_wr_vec_grant= gid;
		for (j= 0; j<RD_IOVEC; j++)
		{
			if (cpf_getgrants(&gid, 1) != 1)
			{
				ip_panic((
			"osdep_eth_init: cpf_getgrants failed: %d\n",
					errno));
			}
			eth_port->etp_osdep.etp_rd_iovec[j].iov_grant= gid;
		}
		if (cpf_getgrants(&gid, 1) != 1)
		{
			ip_panic((
		"osdep_eth_init: cpf_getgrants failed: %d\n",
				errno));
		}
		eth_port->etp_osdep.etp_rd_vec_grant= gid;

		eth_port->etp_osdep.etp_task= NONE;
		eth_port->etp_osdep.etp_recvconf= 0;
		ev_init(&eth_port->etp_osdep.etp_recvev);

		sr_add_minor(if2minor(ecp->ec_ifno, ETH_DEV_OFF),
			i, eth_open, eth_close, eth_read, 
			eth_write, eth_ioctl, eth_cancel, eth_select);

		eth_port->etp_flags |= EPF_ENABLED;
		eth_port->etp_vlan= 0;
		eth_port->etp_vlan_port= NULL;
		eth_port->etp_wr_pack= 0;
		eth_port->etp_rd_pack= 0;
	}

	/* And now come the VLANs */
	for (i= 0, ecp= eth_conf, eth_port= eth_port_table;
		i<eth_conf_nr; i++, ecp++, eth_port++)
	{
		if (!eth_is_vlan(ecp))
			continue;

		eth_port->etp_osdep.etp_task= NONE;
		ev_init(&eth_port->etp_osdep.etp_recvev);

		rport= ecp->ec_port;
		assert(rport >= 0 && rport < eth_conf_nr);
		rep= &eth_port_table[rport];
		if (!(rep->etp_flags & EPF_ENABLED))
		{
			printf(
			"eth%d: underlying ethernet device %d not enabled",
				i, rport);
			continue;
		}
		if (rep->etp_vlan != 0)
		{
			printf(
			"eth%d: underlying ethernet device %d is a VLAN",
				i, rport);
			continue;
		}
		
		if (rep->etp_flags & EPF_GOT_ADDR)
		{
			eth_port->etp_ethaddr= rep->etp_ethaddr;
			printf("osdep_eth_init: setting EPF_GOT_ADDR\n");
			eth_port->etp_flags |= EPF_GOT_ADDR;
		}

		sr_add_minor(if2minor(ecp->ec_ifno, ETH_DEV_OFF),
			i, eth_open, eth_close, eth_read, 
			eth_write, eth_ioctl, eth_cancel, eth_select);

		eth_port->etp_flags |= EPF_ENABLED;
		eth_port->etp_vlan= ecp->ec_vlan;
		eth_port->etp_vlan_port= rep;
		assert(eth_port->etp_vlan != 0);
		eth_port->etp_wr_pack= 0;
		eth_port->etp_rd_pack= 0;
		eth_reg_vlan(rep, eth_port);
	}
}