path: root/drivers/s390/net/qeth_l2_main.c

/*
 *  drivers/s390/net/qeth_l2_main.c
 *
 *    Copyright IBM Corp. 2007
 *    Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
 *		 Frank Pavlic <fpavlic@de.ibm.com>,
 *		 Thomas Spatzier <tspat@de.ibm.com>,
 *		 Frank Blaschka <frank.blaschka@de.ibm.com>
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/etherdevice.h>
#include <linux/mii.h>
#include <linux/ip.h>

#include <asm/s390_rdev.h>

#include "qeth_core.h"
#include "qeth_core_offl.h"

static int qeth_l2_set_offline(struct ccwgroup_device *);
static int qeth_l2_stop(struct net_device *);
static int qeth_l2_send_delmac(struct qeth_card *, __u8 *);
static int qeth_l2_send_setdelmac(struct qeth_card *, __u8 *,
			   enum qeth_ipa_cmds,
			   int (*reply_cb) (struct qeth_card *,
					    struct qeth_reply*,
					    unsigned long));
static void qeth_l2_set_multicast_list(struct net_device *);
static int qeth_l2_recover(void *);

static int qeth_l2_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
	struct qeth_card *card = netdev_priv(dev);
	struct mii_ioctl_data *mii_data;
	int rc = 0;

	if (!card)
		return -ENODEV;

	if ((card->state != CARD_STATE_UP) &&
		(card->state != CARD_STATE_SOFTSETUP))
		return -ENODEV;

	if (card->info.type == QETH_CARD_TYPE_OSN)
		return -EPERM;

	switch (cmd) {
	case SIOC_QETH_ADP_SET_SNMP_CONTROL:
		rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data);
		break;
	case SIOC_QETH_GET_CARD_TYPE:
		if ((card->info.type == QETH_CARD_TYPE_OSAE) &&
		    !card->info.guestlan)
			return 1;
		return 0;
		break;
	case SIOCGMIIPHY:
		mii_data = if_mii(rq);
		mii_data->phy_id = 0;
		break;
	case SIOCGMIIREG:
		mii_data = if_mii(rq);
		if (mii_data->phy_id != 0)
			rc = -EINVAL;
		else
			mii_data->val_out = qeth_mdio_read(dev,
				mii_data->phy_id, mii_data->reg_num);
		break;
	default:
		rc = -EOPNOTSUPP;
	}
	if (rc)
		QETH_DBF_TEXT_(TRACE, 2, "ioce%d", rc);
	return rc;
}

static int qeth_l2_verify_dev(struct net_device *dev)
{
	struct qeth_card *card;
	unsigned long flags;
	int rc = 0;

	read_lock_irqsave(