intel-iommu: Fix enabling snooping feature by mistake
[safe/jmp/linux-2.6] / drivers / s390 / net / qeth_l2_main.c
index e609282..691cecd 100644 (file)
@@ -1,13 +1,16 @@
 /*
  *  drivers/s390/net/qeth_l2_main.c
  *
- *    Copyright IBM Corp. 2007
+ *    Copyright IBM Corp. 2007, 2009
  *    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>
  */
 
+#define KMSG_COMPONENT "qeth"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/string.h>
 #include <linux/etherdevice.h>
 #include <linux/mii.h>
 #include <linux/ip.h>
-
-#include <asm/s390_rdev.h>
+#include <linux/list.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 *);
@@ -35,7 +36,7 @@ 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 qeth_card *card = dev->ml_priv;
        struct mii_ioctl_data *mii_data;
        int rc = 0;
 
@@ -101,19 +102,16 @@ static struct net_device *qeth_l2_netdev_by_devno(unsigned char *read_dev_no)
 {
        struct qeth_card *card;
        struct net_device *ndev;
-       unsigned char *readno;
-       __u16 temp_dev_no, card_dev_no;
-       char *endp;
+       __u16 temp_dev_no;
        unsigned long flags;
+       struct ccw_dev_id read_devid;
 
        ndev = NULL;
        memcpy(&temp_dev_no, read_dev_no, 2);
        read_lock_irqsave(&qeth_core_card_list.rwlock, flags);
        list_for_each_entry(card, &qeth_core_card_list.list, list) {
-               readno = CARD_RDEV_ID(card);
-               readno += (strlen(readno) - 4);
-               card_dev_no = simple_strtoul(readno, &endp, 16);
-               if (card_dev_no == temp_dev_no) {
+               ccw_device_get_id(CARD_RDEV(card), &read_devid);
+               if (read_devid.devno == temp_dev_no) {
                        ndev = card->dev;
                        break;
                }
@@ -133,18 +131,14 @@ static int qeth_l2_send_setgroupmac_cb(struct qeth_card *card,
        cmd = (struct qeth_ipa_cmd *) data;
        mac = &cmd->data.setdelmac.mac[0];
        /* MAC already registered, needed in couple/uncouple case */
-       if (cmd->hdr.return_code == 0x2005) {
-               PRINT_WARN("Group MAC %02x:%02x:%02x:%02x:%02x:%02x " \
-                         "already existing on %s \n",
-                         mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
-                         QETH_CARD_IFNAME(card));
+       if (cmd->hdr.return_code ==  IPA_RC_L2_DUP_MAC) {
+               QETH_DBF_MESSAGE(2, "Group MAC %pM already existing on %s \n",
+                         mac, QETH_CARD_IFNAME(card));
                cmd->hdr.return_code = 0;
        }
        if (cmd->hdr.return_code)
-               PRINT_ERR("Could not set group MAC " \
-                         "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
-                         mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
-                         QETH_CARD_IFNAME(card), cmd->hdr.return_code);
+               QETH_DBF_MESSAGE(2, "Could not set group MAC %pM on %s: %x\n",
+                         mac, QETH_CARD_IFNAME(card), cmd->hdr.return_code);
        return 0;
 }
 
@@ -166,10 +160,8 @@ static int qeth_l2_send_delgroupmac_cb(struct qeth_card *card,
        cmd = (struct qeth_ipa_cmd *) data;
        mac = &cmd->data.setdelmac.mac[0];
        if (cmd->hdr.return_code)
-               PRINT_ERR("Could not delete group MAC " \
-                         "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
-                         mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
-                         QETH_CARD_IFNAME(card), cmd->hdr.return_code);
+               QETH_DBF_MESSAGE(2, "Could not delete group MAC %pM on %s: %x\n",
+                         mac, QETH_CARD_IFNAME(card), cmd->hdr.return_code);
        return 0;
 }
 
@@ -180,21 +172,28 @@ static int qeth_l2_send_delgroupmac(struct qeth_card *card, __u8 *mac)
                                          qeth_l2_send_delgroupmac_cb);
 }
 
-static void qeth_l2_add_mc(struct qeth_card *card, __u8 *mac)
+static void qeth_l2_add_mc(struct qeth_card *card, __u8 *mac, int vmac)
 {
        struct qeth_mc_mac *mc;
+       int rc;
 
        mc = kmalloc(sizeof(struct qeth_mc_mac), GFP_ATOMIC);
 
-       if (!mc) {
-               PRINT_ERR("no mem vor mc mac address\n");
+       if (!mc)
                return;
-       }
 
        memcpy(mc->mc_addr, mac, OSA_ADDR_LEN);
        mc->mc_addrlen = OSA_ADDR_LEN;
+       mc->is_vmac = vmac;
 
-       if (!qeth_l2_send_setgroupmac(card, mac))
+       if (vmac) {
+               rc = qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETVMAC,
+                                       NULL);
+       } else {
+               rc = qeth_l2_send_setgroupmac(card, mac);
+       }
+
+       if (!rc)
                list_add_tail(&mc->list, &card->mc_list);
        else
                kfree(mc);
@@ -206,7 +205,11 @@ static void qeth_l2_del_all_mc(struct qeth_card *card)
 
        spin_lock_bh(&card->mclock);
        list_for_each_entry_safe(mc, tmp, &card->mc_list, list) {
-               qeth_l2_send_delgroupmac(card, mc->mc_addr);
+               if (mc->is_vmac)
+                       qeth_l2_send_setdelmac(card, mc->mc_addr,
+                                       IPA_CMD_DELVMAC, NULL);
+               else
+                       qeth_l2_send_delgroupmac(card, mc->mc_addr);
                list_del(&mc->list);
                kfree(mc);
        }
@@ -248,8 +251,7 @@ static void qeth_l2_get_packet_type(struct qeth_card *card,
 static void qeth_l2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
                        struct sk_buff *skb, int ipv, int cast_type)
 {
-       struct vlan_ethhdr *veth = (struct vlan_ethhdr *)((skb->data) +
-                                       QETH_HEADER_SIZE);
+       struct vlan_ethhdr *veth = (struct vlan_ethhdr *)skb_mac_header(skb);
 
        memset(hdr, 0, sizeof(struct qeth_hdr));
        hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2;
@@ -280,7 +282,7 @@ static int qeth_l2_send_setdelvlan_cb(struct qeth_card *card,
        QETH_DBF_TEXT(TRACE, 2, "L2sdvcb");
        cmd = (struct qeth_ipa_cmd *) data;
        if (cmd->hdr.return_code) {
-               PRINT_ERR("Error in processing VLAN %i on %s: 0x%x. "
+               QETH_DBF_MESSAGE(2, "Error in processing VLAN %i on %s: 0x%x. "
                          "Continuing\n", cmd->data.setdelvlan.vlan_id,
                          QETH_CARD_IFNAME(card), cmd->hdr.return_code);
                QETH_DBF_TEXT_(TRACE, 2, "L2VL%4x", cmd->hdr.command);
@@ -322,10 +324,14 @@ static void qeth_l2_process_vlans(struct qeth_card *card, int clear)
 
 static void qeth_l2_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
 {
-       struct qeth_card *card = netdev_priv(dev);
+       struct qeth_card *card = dev->ml_priv;
        struct qeth_vlan_vid *id;
 
        QETH_DBF_TEXT_(TRACE, 4, "aid:%d", vid);
+       if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) {
+               QETH_DBF_TEXT(TRACE, 3, "aidREC");
+               return;
+       }
        id = kmalloc(sizeof(struct qeth_vlan_vid), GFP_ATOMIC);
        if (id) {
                id->vid = vid;
@@ -333,17 +339,19 @@ static void qeth_l2_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
                spin_lock_bh(&card->vlanlock);
                list_add_tail(&id->list, &card->vid_list);
                spin_unlock_bh(&card->vlanlock);
-       } else {
-               PRINT_ERR("no memory for vid\n");
        }
 }
 
 static void qeth_l2_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
 {
        struct qeth_vlan_vid *id, *tmpid = NULL;
-       struct qeth_card *card = netdev_priv(dev);
+       struct qeth_card *card = dev->ml_priv;
 
        QETH_DBF_TEXT_(TRACE, 4, "kid:%d", vid);
+       if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) {
+               QETH_DBF_TEXT(TRACE, 3, "kidREC");
+               return;
+       }
        spin_lock_bh(&card->vlanlock);
        list_for_each_entry(id, &card->vid_list, list) {
                if (id->vid == vid) {
@@ -368,8 +376,6 @@ static int qeth_l2_stop_card(struct qeth_card *card, int recovery_mode)
        QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *));
 
        qeth_set_allowed_threads(card, 0, 1);
-       if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD))
-               return -ERESTARTSYS;
        if (card->read.state == CH_STATE_UP &&
            card->write.state == CH_STATE_UP &&
            (card->state == CARD_STATE_UP)) {
@@ -381,7 +387,8 @@ static int qeth_l2_stop_card(struct qeth_card *card, int recovery_mode)
                        dev_close(card->dev);
                        rtnl_unlock();
                }
-               if (!card->use_hard_stop) {
+               if (!card->use_hard_stop ||
+                       recovery_mode) {
                        __u8 *mac = &card->dev->dev_addr[0];
                        rc = qeth_l2_send_delmac(card, mac);
                        QETH_DBF_TEXT_(SETUP, 2, "Lerr%d", rc);
@@ -390,7 +397,9 @@ static int qeth_l2_stop_card(struct qeth_card *card, int recovery_mode)
        }
        if (card->state == CARD_STATE_SOFTSETUP) {
                qeth_l2_process_vlans(card, 1);
-               qeth_l2_del_all_mc(card);
+               if (!card->use_hard_stop ||
+                       recovery_mode)
+                       qeth_l2_del_all_mc(card);
                qeth_clear_ipacmd_list(card);
                card->state = CARD_STATE_HARDSETUP;
        }
@@ -445,12 +454,15 @@ static void qeth_l2_process_inbound_buffer(struct qeth_card *card,
                        netif_rx(skb);
                        break;
                case QETH_HEADER_TYPE_OSN:
-                       skb_push(skb, sizeof(struct qeth_hdr));
-                       skb_copy_to_linear_data(skb, hdr,
+                       if (card->info.type == QETH_CARD_TYPE_OSN) {
+                               skb_push(skb, sizeof(struct qeth_hdr));
+                               skb_copy_to_linear_data(skb, hdr,
                                                sizeof(struct qeth_hdr));
-                       len = skb->len;
-                       card->osn_info.data_cb(skb);
-                       break;
+                               len = skb->len;
+                               card->osn_info.data_cb(skb);
+                               break;
+                       }
+                       /* else unknown */
                default:
                        dev_kfree_skb_any(skb);
                        QETH_DBF_TEXT(TRACE, 3, "inbunkno");
@@ -491,17 +503,42 @@ static int qeth_l2_send_setmac_cb(struct qeth_card *card,
        if (cmd->hdr.return_code) {
                QETH_DBF_TEXT_(TRACE, 2, "L2er%x", cmd->hdr.return_code);
                card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
+               switch (cmd->hdr.return_code) {
+               case IPA_RC_L2_DUP_MAC:
+               case IPA_RC_L2_DUP_LAYER3_MAC:
+                       dev_warn(&card->gdev->dev,
+                               "MAC address "
+                               "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x "
+                               "already exists\n",
+                               card->dev->dev_addr[0], card->dev->dev_addr[1],
+                               card->dev->dev_addr[2], card->dev->dev_addr[3],
+                               card->dev->dev_addr[4], card->dev->dev_addr[5]);
+                       break;
+               case IPA_RC_L2_MAC_NOT_AUTH_BY_HYP:
+               case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP:
+                       dev_warn(&card->gdev->dev,
+                               "MAC address "
+                               "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x "
+                               "is not authorized\n",
+                               card->dev->dev_addr[0], card->dev->dev_addr[1],
+                               card->dev->dev_addr[2], card->dev->dev_addr[3],
+                               card->dev->dev_addr[4], card->dev->dev_addr[5]);
+                       break;
+               default:
+                       break;
+               }
                cmd->hdr.return_code = -EIO;
        } else {
                card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED;
                memcpy(card->dev->dev_addr, cmd->data.setdelmac.mac,
                       OSA_ADDR_LEN);
-               PRINT_INFO("MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x "
-                          "successfully registered on device %s\n",
-                          card->dev->dev_addr[0], card->dev->dev_addr[1],
-                          card->dev->dev_addr[2], card->dev->dev_addr[3],
-                          card->dev->dev_addr[4], card->dev->dev_addr[5],
-                          card->dev->name);
+               dev_info(&card->gdev->dev,
+                       "MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x "
+                       "successfully registered on device %s\n",
+                       card->dev->dev_addr[0], card->dev->dev_addr[1],
+                       card->dev->dev_addr[2], card->dev->dev_addr[3],
+                       card->dev->dev_addr[4], card->dev->dev_addr[5],
+                       card->dev->name);
        }
        return 0;
 }
@@ -550,16 +587,16 @@ static int qeth_l2_request_initial_mac(struct qeth_card *card)
 
        rc = qeth_query_setadapterparms(card);
        if (rc) {
-               PRINT_WARN("could not query adapter parameters on device %s: "
-                          "x%x\n", CARD_BUS_ID(card), rc);
+               QETH_DBF_MESSAGE(2, "could not query adapter parameters on "
+                       "device %s: x%x\n", CARD_BUS_ID(card), rc);
        }
 
-       if (card->info.guestlan) {
+       if ((card->info.type == QETH_CARD_TYPE_IQD) || 
+           (card->info.guestlan)) {
                rc = qeth_setadpparms_change_macaddr(card);
                if (rc) {
-                       PRINT_WARN("couldn't get MAC address on "
-                          "device %s: x%x\n",
-                          CARD_BUS_ID(card), rc);
+                       QETH_DBF_MESSAGE(2, "couldn't get MAC address on "
+                               "device %s: x%x\n", CARD_BUS_ID(card), rc);
                        QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
                        return rc;
                }
@@ -574,7 +611,7 @@ static int qeth_l2_request_initial_mac(struct qeth_card *card)
 static int qeth_l2_set_mac_address(struct net_device *dev, void *p)
 {
        struct sockaddr *addr = p;
-       struct qeth_card *card = netdev_priv(dev);
+       struct qeth_card *card = dev->ml_priv;
        int rc = 0;
 
        QETH_DBF_TEXT(TRACE, 3, "setmac");
@@ -585,13 +622,15 @@ static int qeth_l2_set_mac_address(struct net_device *dev, void *p)
        }
 
        if (card->info.type == QETH_CARD_TYPE_OSN) {
-               PRINT_WARN("Setting MAC address on %s is not supported.\n",
-                          dev->name);
                QETH_DBF_TEXT(TRACE, 3, "setmcOSN");
                return -EOPNOTSUPP;
        }
        QETH_DBF_TEXT_(TRACE, 3, "%s", CARD_BUS_ID(card));
        QETH_DBF_HEX(TRACE, 3, addr->sa_data, OSA_ADDR_LEN);
+       if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) {
+               QETH_DBF_TEXT(TRACE, 3, "setmcREC");
+               return -ERESTARTSYS;
+       }
        rc = qeth_l2_send_delmac(card, &card->dev->dev_addr[0]);
        if (!rc)
                rc = qeth_l2_send_setmac(card, addr->sa_data);
@@ -600,17 +639,25 @@ static int qeth_l2_set_mac_address(struct net_device *dev, void *p)
 
 static void qeth_l2_set_multicast_list(struct net_device *dev)
 {
-       struct qeth_card *card = netdev_priv(dev);
-       struct dev_mc_list *dm;
+       struct qeth_card *card = dev->ml_priv;
+       struct dev_addr_list *dm;
+       struct netdev_hw_addr *ha;
 
        if (card->info.type == QETH_CARD_TYPE_OSN)
                return ;
 
        QETH_DBF_TEXT(TRACE, 3, "setmulti");
+       if (qeth_threads_running(card, QETH_RECOVER_THREAD) &&
+           (card->state != CARD_STATE_UP))
+               return;
        qeth_l2_del_all_mc(card);
        spin_lock_bh(&card->mclock);
        for (dm = dev->mc_list; dm; dm = dm->next)
-               qeth_l2_add_mc(card, dm->dmi_addr);
+               qeth_l2_add_mc(card, dm->da_addr, 0);
+
+       list_for_each_entry(ha, &dev->uc.list, list)
+               qeth_l2_add_mc(card, ha->addr, 1);
+
        spin_unlock_bh(&card->mclock);
        if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
                return;
@@ -622,17 +669,16 @@ static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
        int rc;
        struct qeth_hdr *hdr = NULL;
        int elements = 0;
-       struct qeth_card *card = netdev_priv(dev);
+       struct qeth_card *card = dev->ml_priv;
        struct sk_buff *new_skb = skb;
        int ipv = qeth_get_ip_version(skb);
        int cast_type = qeth_get_cast_type(card, skb);
        struct qeth_qdio_out_q *queue = card->qdio.out_qs
                [qeth_get_priority_queue(card, skb, ipv, cast_type)];
        int tx_bytes = skb->len;
-       enum qeth_large_send_types large_send = QETH_LARGE_SEND_NO;
-       struct qeth_eddp_context *ctx = NULL;
-
-       QETH_DBF_TEXT(TRACE, 6, "l2xmit");
+       int data_offset = -1;
+       int elements_needed = 0;
+       int hd_len = 0;
 
        if ((card->state != CARD_STATE_UP) || !card->lan_online) {
                card->stats.tx_carrier_errors++;
@@ -649,66 +695,58 @@ static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
        }
        netif_stop_queue(dev);
 
-       if (skb_is_gso(skb))
-               large_send = QETH_LARGE_SEND_EDDP;
-
        if (card->info.type == QETH_CARD_TYPE_OSN)
                hdr = (struct qeth_hdr *)skb->data;
        else {
-               new_skb = qeth_prepare_skb(card, skb, &hdr);
-               if (!new_skb)
-                       goto tx_drop;
-               qeth_l2_fill_header(card, hdr, new_skb, ipv, cast_type);
-       }
-
-       if (large_send == QETH_LARGE_SEND_EDDP) {
-               ctx = qeth_eddp_create_context(card, new_skb, hdr,
-                                               skb->sk->sk_protocol);
-               if (ctx == NULL) {
-                       PRINT_WARN("could not create eddp context\n");
-                       goto tx_drop;
+               if (card->info.type == QETH_CARD_TYPE_IQD) {
+                       new_skb = skb;
+                       data_offset = ETH_HLEN;
+                       hd_len = ETH_HLEN;
+                       hdr = kmem_cache_alloc(qeth_core_header_cache,
+                                               GFP_ATOMIC);
+                       if (!hdr)
+                               goto tx_drop;
+                       elements_needed++;
+                       skb_reset_mac_header(new_skb);
+                       qeth_l2_fill_header(card, hdr, new_skb, ipv, cast_type);
+                       hdr->hdr.l2.pkt_length = new_skb->len;
+                       memcpy(((char *)hdr) + sizeof(struct qeth_hdr),
+                               skb_mac_header(new_skb), ETH_HLEN);
+               } else {
+                       /* create a clone with writeable headroom */
+                       new_skb = skb_realloc_headroom(skb,
+                                               sizeof(struct qeth_hdr));
+                       if (!new_skb)
+                               goto tx_drop;
+                       hdr = (struct qeth_hdr *)skb_push(new_skb,
+                                               sizeof(struct qeth_hdr));
+                       skb_set_mac_header(new_skb, sizeof(struct qeth_hdr));
+                       qeth_l2_fill_header(card, hdr, new_skb, ipv, cast_type);
                }
-       } else {
-               elements = qeth_get_elements_no(card, (void *)hdr, new_skb, 0);
-               if (!elements)
-                       goto tx_drop;
        }
 
-       if ((large_send == QETH_LARGE_SEND_NO) &&
-           (skb->ip_summed == CHECKSUM_PARTIAL))
-               qeth_tx_csum(new_skb);
+       elements = qeth_get_elements_no(card, (void *)hdr, new_skb,
+                                               elements_needed);
+       if (!elements) {
+               if (data_offset >= 0)
+                       kmem_cache_free(qeth_core_header_cache, hdr);
+               goto tx_drop;
+       }
 
        if (card->info.type != QETH_CARD_TYPE_IQD)
                rc = qeth_do_send_packet(card, queue, new_skb, hdr,
-                                        elements, ctx);
+                                        elements);
        else
                rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr,
-                                             elements, ctx);
+                                       elements, data_offset, hd_len);
        if (!rc) {
                card->stats.tx_packets++;
                card->stats.tx_bytes += tx_bytes;
                if (new_skb != skb)
                        dev_kfree_skb_any(skb);
-               if (card->options.performance_stats) {
-                       if (large_send != QETH_LARGE_SEND_NO) {
-                               card->perf_stats.large_send_bytes += tx_bytes;
-                               card->perf_stats.large_send_cnt++;
-                       }
-                       if (skb_shinfo(new_skb)->nr_frags > 0) {
-                               card->perf_stats.sg_skbs_sent++;
-                               /* nr_frags + skb->data */
-                               card->perf_stats.sg_frags_sent +=
-                                       skb_shinfo(new_skb)->nr_frags + 1;
-                       }
-               }
-
-               if (ctx != NULL) {
-                       qeth_eddp_put_context(ctx);
-                       dev_kfree_skb_any(new_skb);
-               }
        } else {
-               if (ctx != NULL)
-                       qeth_eddp_put_context(ctx);
+               if (data_offset >= 0)
+                       kmem_cache_free(qeth_core_header_cache, hdr);
 
                if (rc == -EBUSY) {
                        if (new_skb != skb)
@@ -730,12 +768,12 @@ tx_drop:
        if ((new_skb != skb) && new_skb)
                dev_kfree_skb_any(new_skb);
        dev_kfree_skb_any(skb);
+       netif_wake_queue(dev);
        return NETDEV_TX_OK;
 }
 
 static void qeth_l2_qdio_input_handler(struct ccw_device *ccwdev,
-                       unsigned int status, unsigned int qdio_err,
-                       unsigned int siga_err, unsigned int queue,
+                       unsigned int qdio_err, unsigned int queue,
                        int first_element, int count, unsigned long card_ptr)
 {
        struct net_device *net_dev;
@@ -744,30 +782,26 @@ static void qeth_l2_qdio_input_handler(struct ccw_device *ccwdev,
        int index;
        int i;
 
-       QETH_DBF_TEXT(TRACE, 6, "qdinput");
        card = (struct qeth_card *) card_ptr;
        net_dev = card->dev;
        if (card->options.performance_stats) {
                card->perf_stats.inbound_cnt++;
                card->perf_stats.inbound_start_time = qeth_get_micros();
        }
-       if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
-               if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION) {
-                       QETH_DBF_TEXT(TRACE, 1, "qdinchk");
-                       QETH_DBF_TEXT_(TRACE, 1, "%s", CARD_BUS_ID(card));
-                       QETH_DBF_TEXT_(TRACE, 1, "%04X%04X", first_element,
-                                       count);
-                       QETH_DBF_TEXT_(TRACE, 1, "%04X%04X", queue, status);
-                       qeth_schedule_recovery(card);
-                       return;
-               }
+       if (qdio_err & QDIO_ERROR_ACTIVATE_CHECK_CONDITION) {
+               QETH_DBF_TEXT(TRACE, 1, "qdinchk");
+               QETH_DBF_TEXT_(TRACE, 1, "%s", CARD_BUS_ID(card));
+               QETH_DBF_TEXT_(TRACE, 1, "%04X%04X", first_element,
+                               count);
+               QETH_DBF_TEXT_(TRACE, 1, "%04X", queue);
+               qeth_schedule_recovery(card);
+               return;
        }
        for (i = first_element; i < (first_element + count); ++i) {
                index = i % QDIO_MAX_BUFFERS_PER_Q;
                buffer = &card->qdio.in_q->bufs[index];
-               if (!((status & QDIO_STATUS_LOOK_FOR_ERROR) &&
-                     qeth_check_qdio_errors(buffer->buffer,
-                                            qdio_err, siga_err, "qinerr")))
+               if (!(qdio_err &&
+                     qeth_check_qdio_errors(buffer->buffer, qdio_err, "qinerr")))
                        qeth_l2_process_inbound_buffer(card, buffer, index);
                /* clear buffer and give back to hardware */
                qeth_put_buffer_pool_entry(card, buffer->pool_entry);
@@ -780,7 +814,7 @@ static void qeth_l2_qdio_input_handler(struct ccw_device *ccwdev,
 
 static int qeth_l2_open(struct net_device *dev)
 {
-       struct qeth_card *card = netdev_priv(dev);
+       struct qeth_card *card = dev->ml_priv;
 
        QETH_DBF_TEXT(TRACE, 4, "qethopen");
        if (card->state != CARD_STATE_SOFTSETUP)
@@ -793,7 +827,6 @@ static int qeth_l2_open(struct net_device *dev)
        }
        card->data.state = CH_STATE_UP;
        card->state = CARD_STATE_UP;
-       card->dev->flags |= IFF_UP;
        netif_start_queue(dev);
 
        if (!card->lan_online && netif_carrier_ok(dev))
@@ -804,11 +837,10 @@ static int qeth_l2_open(struct net_device *dev)
 
 static int qeth_l2_stop(struct net_device *dev)
 {
-       struct qeth_card *card = netdev_priv(dev);
+       struct qeth_card *card = dev->ml_priv;
 
        QETH_DBF_TEXT(TRACE, 4, "qethstop");
        netif_tx_disable(dev);
-       card->dev->flags &= ~IFF_UP;
        if (card->state == CARD_STATE_UP)
                card->state = CARD_STATE_SOFTSETUP;
        return 0;
@@ -833,6 +865,7 @@ static void qeth_l2_remove_device(struct ccwgroup_device *cgdev)
 {
        struct qeth_card *card = dev_get_drvdata(&cgdev->dev);
 
+       qeth_set_allowed_threads(card, 0, 1);
        wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0);
 
        if (cgdev->state == CCWGROUP_ONLINE) {
@@ -851,12 +884,6 @@ static void qeth_l2_remove_device(struct ccwgroup_device *cgdev)
 
 static struct ethtool_ops qeth_l2_ethtool_ops = {
        .get_link = ethtool_op_get_link,
-       .get_tx_csum = ethtool_op_get_tx_csum,
-       .set_tx_csum = ethtool_op_set_tx_hw_csum,
-       .get_sg = ethtool_op_get_sg,
-       .set_sg = ethtool_op_set_sg,
-       .get_tso = ethtool_op_get_tso,
-       .set_tso = ethtool_op_set_tso,
        .get_strings = qeth_core_get_strings,
        .get_ethtool_stats = qeth_core_get_ethtool_stats,
        .get_stats_count = qeth_core_get_stats_count,
@@ -871,6 +898,21 @@ static struct ethtool_ops qeth_l2_osn_ops = {
        .get_drvinfo = qeth_core_get_drvinfo,
 };
 
+static const struct net_device_ops qeth_l2_netdev_ops = {
+       .ndo_open               = qeth_l2_open,
+       .ndo_stop               = qeth_l2_stop,
+       .ndo_get_stats          = qeth_get_stats,
+       .ndo_start_xmit         = qeth_l2_hard_start_xmit,
+       .ndo_validate_addr      = eth_validate_addr,
+       .ndo_set_multicast_list = qeth_l2_set_multicast_list,
+       .ndo_do_ioctl           = qeth_l2_do_ioctl,
+       .ndo_set_mac_address    = qeth_l2_set_mac_address,
+       .ndo_change_mtu         = qeth_change_mtu,
+       .ndo_vlan_rx_add_vid    = qeth_l2_vlan_rx_add_vid,
+       .ndo_vlan_rx_kill_vid   = qeth_l2_vlan_rx_kill_vid,
+       .ndo_tx_timeout         = qeth_tx_timeout,
+};
+
 static int qeth_l2_setup_netdev(struct qeth_card *card)
 {
        switch (card->info.type) {
@@ -891,20 +933,10 @@ static int qeth_l2_setup_netdev(struct qeth_card *card)
        if (!card->dev)
                return -ENODEV;
 
-       card->dev->priv = card;
-       card->dev->tx_timeout = &qeth_tx_timeout;
+       card->dev->ml_priv = card;
        card->dev->watchdog_timeo = QETH_TX_TIMEOUT;
-       card->dev->open = qeth_l2_open;
-       card->dev->stop = qeth_l2_stop;
-       card->dev->hard_start_xmit = qeth_l2_hard_start_xmit;
-       card->dev->do_ioctl = qeth_l2_do_ioctl;
-       card->dev->get_stats = qeth_get_stats;
-       card->dev->change_mtu = qeth_change_mtu;
-       card->dev->set_multicast_list = qeth_l2_set_multicast_list;
-       card->dev->vlan_rx_kill_vid = qeth_l2_vlan_rx_kill_vid;
-       card->dev->vlan_rx_add_vid = qeth_l2_vlan_rx_add_vid;
-       card->dev->set_mac_address = qeth_l2_set_mac_address;
        card->dev->mtu = card->info.initial_mtu;
+       card->dev->netdev_ops = &qeth_l2_netdev_ops;
        if (card->info.type != QETH_CARD_TYPE_OSN)
                SET_ETHTOOL_OPS(card->dev, &qeth_l2_ethtool_ops);
        else
@@ -927,12 +959,6 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
        QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *));
 
        qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1);
-       if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)) {
-               PRINT_WARN("set_online of card %s interrupted by user!\n",
-                          CARD_BUS_ID(card));
-               return -ERESTARTSYS;
-       }
-
        recover_flag = card->state;
        rc = ccw_device_set_online(CARD_RDEV(card));
        if (rc) {
@@ -972,12 +998,12 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
        if (rc) {
                QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
                if (rc == 0xe080) {
-                       PRINT_WARN("LAN on card %s if offline! "
-                                  "Waiting for STARTLAN from card.\n",
-                                  CARD_BUS_ID(card));
+                       dev_warn(&card->gdev->dev,
+                               "The LAN is offline\n");
                        card->lan_online = 0;
+                       return 0;
                }
-               return rc;
+               goto out_remove;
        } else
                card->lan_online = 1;
 
@@ -1043,11 +1069,7 @@ static int __qeth_l2_set_offline(struct ccwgroup_device *cgdev,
        if (card->dev && netif_carrier_ok(card->dev))
                netif_carrier_off(card->dev);
        recover_flag = card->state;
-       if (qeth_l2_stop_card(card, recovery_mode) == -ERESTARTSYS) {
-               PRINT_WARN("Stopping card %s interrupted by user!\n",
-                          CARD_BUS_ID(card));
-               return -ERESTARTSYS;
-       }
+       qeth_l2_stop_card(card, recovery_mode);
        rc  = ccw_device_set_offline(CARD_DDEV(card));
        rc2 = ccw_device_set_offline(CARD_WDEV(card));
        rc3 = ccw_device_set_offline(CARD_RDEV(card));
@@ -1078,8 +1100,8 @@ static int qeth_l2_recover(void *ptr)
        if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD))
                return 0;
        QETH_DBF_TEXT(TRACE, 2, "recover2");
-       PRINT_WARN("Recovery of device %s started ...\n",
-                  CARD_BUS_ID(card));
+       dev_warn(&card->gdev->dev,
+               "A recovery process has been started for the device\n");
        card->use_hard_stop = 1;
        __qeth_l2_set_offline(card->gdev, 1);
        rc = __qeth_l2_set_online(card->gdev, 1);
@@ -1087,23 +1109,29 @@ static int qeth_l2_recover(void *ptr)
        qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
        qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
        if (!rc)
-               PRINT_INFO("Device %s successfully recovered!\n",
-                          CARD_BUS_ID(card));
-       else
-               PRINT_INFO("Device %s could not be recovered!\n",
-                          CARD_BUS_ID(card));
+               dev_info(&card->gdev->dev,
+                       "Device successfully recovered!\n");
+       else {
+               if (card->dev) {
+                       rtnl_lock();
+                       dev_close(card->dev);
+                       rtnl_unlock();
+               }
+               dev_warn(&card->gdev->dev, "The qeth device driver "
+                       "failed to recover an error on the device\n");
+       }
        return 0;
 }
 
 static int __init qeth_l2_init(void)
 {
-       PRINT_INFO("register layer 2 discipline\n");
+       pr_info("register layer 2 discipline\n");
        return 0;
 }
 
 static void __exit qeth_l2_exit(void)
 {
-       PRINT_INFO("unregister layer 2 discipline\n");
+       pr_info("unregister layer 2 discipline\n");
 }
 
 static void qeth_l2_shutdown(struct ccwgroup_device *gdev)
@@ -1113,12 +1141,62 @@ static void qeth_l2_shutdown(struct ccwgroup_device *gdev)
        qeth_clear_qdio_buffers(card);
 }
 
+static int qeth_l2_pm_suspend(struct ccwgroup_device *gdev)
+{
+       struct qeth_card *card = dev_get_drvdata(&gdev->dev);
+
+       if (card->dev)
+               netif_device_detach(card->dev);
+       qeth_set_allowed_threads(card, 0, 1);
+       wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0);
+       if (gdev->state == CCWGROUP_OFFLINE)
+               return 0;
+       if (card->state == CARD_STATE_UP) {
+               card->use_hard_stop = 1;
+               __qeth_l2_set_offline(card->gdev, 1);
+       } else
+               __qeth_l2_set_offline(card->gdev, 0);
+       return 0;
+}
+
+static int qeth_l2_pm_resume(struct ccwgroup_device *gdev)
+{
+       struct qeth_card *card = dev_get_drvdata(&gdev->dev);
+       int rc = 0;
+
+       if (gdev->state == CCWGROUP_OFFLINE)
+               goto out;
+
+       if (card->state == CARD_STATE_RECOVER) {
+               rc = __qeth_l2_set_online(card->gdev, 1);
+               if (rc) {
+                       if (card->dev) {
+                               rtnl_lock();
+                               dev_close(card->dev);
+                               rtnl_unlock();
+                       }
+               }
+       } else
+               rc = __qeth_l2_set_online(card->gdev, 0);
+out:
+       qeth_set_allowed_threads(card, 0xffffffff, 0);
+       if (card->dev)
+               netif_device_attach(card->dev);
+       if (rc)
+               dev_warn(&card->gdev->dev, "The qeth device driver "
+                       "failed to recover an error on the device\n");
+       return rc;
+}
+
 struct ccwgroup_driver qeth_l2_ccwgroup_driver = {
        .probe = qeth_l2_probe_device,
        .remove = qeth_l2_remove_device,
        .set_online = qeth_l2_set_online,
        .set_offline = qeth_l2_set_offline,
        .shutdown = qeth_l2_shutdown,
+       .freeze = qeth_l2_pm_suspend,
+       .thaw = qeth_l2_pm_resume,
+       .restore = qeth_l2_pm_resume,
 };
 EXPORT_SYMBOL_GPL(qeth_l2_ccwgroup_driver);
 
@@ -1139,7 +1217,7 @@ static int qeth_osn_send_control_data(struct qeth_card *card, int len,
                              (addr_t) iob, 0, 0);
        spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
        if (rc) {
-               PRINT_WARN("qeth_osn_send_control_data: "
+               QETH_DBF_MESSAGE(2, "qeth_osn_send_control_data: "
                           "ccw_device_start rc = %i\n", rc);
                QETH_DBF_TEXT_(TRACE, 2, " err%d", rc);
                qeth_release_buffer(iob->channel, iob);
@@ -1175,7 +1253,7 @@ int qeth_osn_assist(struct net_device *dev, void *data, int data_len)
        QETH_DBF_TEXT(TRACE, 2, "osnsdmc");
        if (!dev)
                return -ENODEV;
-       card = netdev_priv(dev);
+       card = dev->ml_priv;
        if (!card)
                return -ENODEV;
        if ((card->state != CARD_STATE_UP) &&
@@ -1198,7 +1276,7 @@ int qeth_osn_register(unsigned char *read_dev_no, struct net_device **dev,
        *dev = qeth_l2_netdev_by_devno(read_dev_no);
        if (*dev == NULL)
                return -ENODEV;
-       card = netdev_priv(*dev);
+       card = (*dev)->ml_priv;
        if (!card)
                return -ENODEV;
        if ((assist_cb == NULL) || (data_cb == NULL))
@@ -1216,7 +1294,7 @@ void qeth_osn_deregister(struct net_device *dev)
        QETH_DBF_TEXT(TRACE, 2, "osndereg");
        if (!dev)
                return;
-       card = netdev_priv(dev);
+       card = dev->ml_priv;
        if (!card)
                return;
        card->osn_info.assist_cb = NULL;