1 files changed, 337 insertions, 123 deletions

diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c
index 86582cf1e19e..692003c9f896 100644
--- a/drivers/s390/net/qeth_main.c
+++ b/drivers/s390/net/qeth_main.c
@@ -196,7 +196,6 @@ qeth_notifier_register(struct task_struct *p, int signum)
 {
         struct qeth_notify_list_struct *n_entry;
 
-
         /*check first if entry already exists*/
         spin_lock(&qeth_notify_lock);
         list_for_each_entry(n_entry, &qeth_notify_list, list) {
@@ -511,7 +510,7 @@ static int
 __qeth_set_offline(struct ccwgroup_device *cgdev, int recovery_mode)
 {
         struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data;
-        int rc = 0;
+        int rc = 0, rc2 = 0, rc3 = 0;
         enum qeth_card_states recover_flag;
 
         QETH_DBF_TEXT(setup, 3, "setoffl");
@@ -523,11 +522,13 @@ __qeth_set_offline(struct ccwgroup_device *cgdev, int recovery_mode)
                            CARD_BUS_ID(card));
                 return -ERESTARTSYS;
         }
-        if ((rc = ccw_device_set_offline(CARD_DDEV(card))) ||
-            (rc = ccw_device_set_offline(CARD_WDEV(card))) ||
-            (rc = ccw_device_set_offline(CARD_RDEV(card)))) {
+        rc  = ccw_device_set_offline(CARD_DDEV(card));
+        rc2 = ccw_device_set_offline(CARD_WDEV(card));
+        rc3 = ccw_device_set_offline(CARD_RDEV(card));
+        if (!rc)
+                rc = (rc2) ? rc2 : rc3;
+        if (rc)
                 QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
-        }
         if (recover_flag == CARD_STATE_UP)
                 card->state = CARD_STATE_RECOVER;
         qeth_notify_processes();
@@ -1022,7 +1023,10 @@ qeth_set_intial_options(struct qeth_card *card)
         card->options.fake_broadcast = 0;
         card->options.add_hhlen = DEFAULT_ADD_HHLEN;
         card->options.fake_ll = 0;
-        card->options.layer2 = 0;
+        if (card->info.type == QETH_CARD_TYPE_OSN)
+                card->options.layer2 = 1;
+        else
+                card->options.layer2 = 0;
 }
 
 /**
@@ -1046,6 +1050,7 @@ qeth_setup_card(struct qeth_card *card)
         spin_lock_init(&card->vlanlock);
         card->vlangrp = NULL;
 #endif
+        spin_lock_init(&card->lock);
         spin_lock_init(&card->ip_lock);
         spin_lock_init(&card->thread_mask_lock);
         card->thread_start_mask = 0;
@@ -1110,19 +1115,20 @@ qeth_determine_card_type(struct qeth_card *card)
 
         QETH_DBF_TEXT(setup, 2, "detcdtyp");
 
+        card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
+        card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
         while (known_devices[i][4]) {
                 if ((CARD_RDEV(card)->id.dev_type == known_devices[i][2]) &&
                     (CARD_RDEV(card)->id.dev_model == known_devices[i][3])) {
                         card->info.type = known_devices[i][4];
+                        card->qdio.no_out_queues = known_devices[i][8];
+                        card->info.is_multicast_different = known_devices[i][9];
                         if (is_1920_device(card)) {
                                 PRINT_INFO("Priority Queueing not able "
                                            "due to hardware limitations!\n");
                                 card->qdio.no_out_queues = 1;
                                 card->qdio.default_out_queue = 0;
-                        } else {
-                                card->qdio.no_out_queues = known_devices[i][8];
-                        }
-                        card->info.is_multicast_different = known_devices[i][9];
+                        } 
                         return 0;
                 }
                 i++;
@@ -1146,6 +1152,8 @@ qeth_probe_device(struct ccwgroup_device *gdev)
         if (!get_device(dev))
                 return -ENODEV;
 
+        QETH_DBF_TEXT_(setup, 2, "%s", gdev->dev.bus_id);
+        
         card = qeth_alloc_card();
         if (!card) {
                 put_device(dev);
@@ -1155,28 +1163,27 @@ qeth_probe_device(struct ccwgroup_device *gdev)
         card->read.ccwdev  = gdev->cdev[0];
         card->write.ccwdev = gdev->cdev[1];
         card->data.ccwdev  = gdev->cdev[2];
-
-        if ((rc = qeth_setup_card(card))){
-                QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
-                put_device(dev);
-                qeth_free_card(card);
-                return rc;
-        }
         gdev->dev.driver_data = card;
         card->gdev = gdev;
         gdev->cdev[0]->handler = qeth_irq;
         gdev->cdev[1]->handler = qeth_irq;
         gdev->cdev[2]->handler = qeth_irq;
 
-        rc = qeth_create_device_attributes(dev);
-        if (rc) {
+        if ((rc = qeth_determine_card_type(card))){
+                PRINT_WARN("%s: not a valid card type\n", __func__);
+                QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
+                put_device(dev);
+                qeth_free_card(card);
+                return rc;
+        }                           
+        if ((rc = qeth_setup_card(card))){
+                QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
                 put_device(dev);
                 qeth_free_card(card);
                 return rc;
         }
-        if ((rc = qeth_determine_card_type(card))){
-                PRINT_WARN("%s: not a valid card type\n", __func__);
-                QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
+        rc = qeth_create_device_attributes(dev);
+        if (rc) {
                 put_device(dev);
                 qeth_free_card(card);
                 return rc;
@@ -1626,16 +1633,6 @@ qeth_cmd_timeout(unsigned long data)
         spin_unlock_irqrestore(&reply->card->lock, flags);
 }
 
-static void
-qeth_reset_ip_addresses(struct qeth_card *card)
-{
-        QETH_DBF_TEXT(trace, 2, "rstipadd");
-
-        qeth_clear_ip_list(card, 0, 1);
-        /* this function will also schedule the SET_IP_THREAD */
-        qeth_set_multicast_list(card->dev);
-}
-
 static struct qeth_ipa_cmd *
 qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob)
 {
@@ -1664,10 +1661,11 @@ qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob)
                                            "IP address reset.\n",
                                            QETH_CARD_IFNAME(card),
                                            card->info.chpid);
-                                card->lan_online = 1;
                                 netif_carrier_on(card->dev);
-                                qeth_reset_ip_addresses(card);
+                                qeth_schedule_recovery(card);
                                 return NULL;
+                        case IPA_CMD_MODCCID:
+                                return cmd;
                         case IPA_CMD_REGISTER_LOCAL_ADDR:
                                 QETH_DBF_TEXT(trace,3, "irla");
                                 break;
@@ -1729,6 +1727,14 @@ qeth_send_control_data_cb(struct qeth_channel *channel,
         cmd = qeth_check_ipa_data(card, iob);
         if ((cmd == NULL) && (card->state != CARD_STATE_DOWN))
                 goto out;
+        /*in case of OSN : check if cmd is set */
+        if (card->info.type == QETH_CARD_TYPE_OSN &&
+            cmd &&
+            cmd->hdr.command != IPA_CMD_STARTLAN &&
+            card->osn_info.assist_cb != NULL) {
+                card->osn_info.assist_cb(card->dev, cmd);
+                goto out;
+        }
 
         spin_lock_irqsave(&card->lock, flags);
         list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
@@ -1745,8 +1751,7 @@ qeth_send_control_data_cb(struct qeth_channel *channel,
                                         keep_reply = reply->callback(card,
                                                         reply,
                                                         (unsigned long)cmd);
-                                }
-                                else
+                                } else
                                         keep_reply = reply->callback(card,
                                                         reply,
                                                         (unsigned long)iob);
@@ -1776,6 +1781,24 @@ out:
         qeth_release_buffer(channel,iob);
 }
 
+static inline void
+qeth_prepare_control_data(struct qeth_card *card, int len,
+struct qeth_cmd_buffer *iob)
+{
+        qeth_setup_ccw(&card->write,iob->data,len);
+        iob->callback = qeth_release_buffer;
+
+        memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
+               &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
+        card->seqno.trans_hdr++;
+        memcpy(QETH_PDU_HEADER_SEQ_NO(iob->data),
+               &card->seqno.pdu_hdr, QETH_SEQ_NO_LENGTH);
+        card->seqno.pdu_hdr++;
+        memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob->data),
+               &card->seqno.pdu_hdr_ack, QETH_SEQ_NO_LENGTH);
+        QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN);
+}
+                                                    
 static int
 qeth_send_control_data(struct qeth_card *card, int len,
                        struct qeth_cmd_buffer *iob,
@@ -1786,24 +1809,11 @@ qeth_send_control_data(struct qeth_card *card, int len,
 {
         int rc;
         unsigned long flags;
-        struct qeth_reply *reply;
+        struct qeth_reply *reply = NULL;
         struct timer_list timer;
 
         QETH_DBF_TEXT(trace, 2, "sendctl");
 
-        qeth_setup_ccw(&card->write,iob->data,len);
-
-        memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data),
-               &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH);
-        card->seqno.trans_hdr++;
-
-        memcpy(QETH_PDU_HEADER_SEQ_NO(iob->data),
-               &card->seqno.pdu_hdr, QETH_SEQ_NO_LENGTH);
-        card->seqno.pdu_hdr++;
-        memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob->data),
-               &card->seqno.pdu_hdr_ack, QETH_SEQ_NO_LENGTH);
-        iob->callback = qeth_release_buffer;
-
         reply = qeth_alloc_reply(card);
         if (!reply) {
                 PRINT_WARN("Could no alloc qeth_reply!\n");
@@ -1818,10 +1828,6 @@ qeth_send_control_data(struct qeth_card *card, int len,
         init_timer(&timer);
         timer.function = qeth_cmd_timeout;
         timer.data = (unsigned long) reply;
-        if (IS_IPA(iob->data))
-                timer.expires = jiffies + QETH_IPA_TIMEOUT;
-        else
-                timer.expires = jiffies + QETH_TIMEOUT;
         init_waitqueue_head(&reply->wait_q);
         spin_lock_irqsave(&card->lock, flags);
         list_add_tail(&reply->list, &card->cmd_waiter_list);
@@ -1829,6 +1835,11 @@ qeth_send_control_data(struct qeth_card *card, int len,
         QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN);
         wait_event(card->wait_q,
                    atomic_compare_and_swap(0,1,&card->write.irq_pending) == 0);
+        qeth_prepare_control_data(card, len, iob);
+        if (IS_IPA(iob->data))
+                timer.expires = jiffies + QETH_IPA_TIMEOUT;
+        else
+                timer.expires = jiffies + QETH_TIMEOUT;
         QETH_DBF_TEXT(trace, 6, "noirqpnd");
         spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
         rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
@@ -1856,6 +1867,62 @@ qeth_send_control_data(struct qeth_card *card, int len,
 }
 
 static int
+qeth_osn_send_control_data(struct qeth_card *card, int len,
+                           struct qeth_cmd_buffer *iob)
+{
+        unsigned long flags;
+        int rc = 0;
+
+        QETH_DBF_TEXT(trace, 5, "osndctrd");
+
+        wait_event(card->wait_q,
+                   atomic_compare_and_swap(0,1,&card->write.irq_pending) == 0);
+        qeth_prepare_control_data(card, len, iob);
+        QETH_DBF_TEXT(trace, 6, "osnoirqp");
+        spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
+        rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
+                              (addr_t) iob, 0, 0);
+        spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
+        if (rc){
+                PRINT_WARN("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);
+                atomic_set(&card->write.irq_pending, 0);
+                wake_up(&card->wait_q);
+        }
+        return rc;
+}                                       
+
+static inline void
+qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
+                     char prot_type)
+{
+        memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
+        memcpy(QETH_IPA_CMD_PROT_TYPE(iob->data),&prot_type,1);
+        memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
+               &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
+}
+
+static int
+qeth_osn_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
+                      int data_len)
+{
+        u16 s1, s2;
+
+QETH_DBF_TEXT(trace,4,"osndipa");
+
+        qeth_prepare_ipa_cmd(card, iob, QETH_PROT_OSN2);
+        s1 = (u16)(IPA_PDU_HEADER_SIZE + data_len);
+        s2 = (u16)data_len;
+        memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
+        memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
+        memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
+        memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
+        return qeth_osn_send_control_data(card, s1, iob);
+}
+                                                            
+static int
 qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
                   int (*reply_cb)
                   (struct qeth_card *,struct qeth_reply*, unsigned long),
@@ -1866,17 +1933,14 @@ qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
 
         QETH_DBF_TEXT(trace,4,"sendipa");
 
-        memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
-
         if (card->options.layer2)
-                prot_type = QETH_PROT_LAYER2;
+                if (card->info.type == QETH_CARD_TYPE_OSN)
+                        prot_type = QETH_PROT_OSN2;
+                else
+                        prot_type = QETH_PROT_LAYER2;
         else
                 prot_type = QETH_PROT_TCPIP;
-
-        memcpy(QETH_IPA_CMD_PROT_TYPE(iob->data),&prot_type,1);
-        memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
-               &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
-
+        qeth_prepare_ipa_cmd(card,iob,prot_type);
         rc = qeth_send_control_data(card, IPA_CMD_LENGTH, iob,
                                     reply_cb, reply_param);
         return rc;
@@ -2018,7 +2082,10 @@ qeth_ulp_enable(struct qeth_card *card)
         *(QETH_ULP_ENABLE_LINKNUM(iob->data)) =
                 (__u8) card->info.portno;
         if (card->options.layer2)
-                prot_type = QETH_PROT_LAYER2;
+                if (card->info.type == QETH_CARD_TYPE_OSN)
+                        prot_type = QETH_PROT_OSN2;
+                else
+                        prot_type = QETH_PROT_LAYER2;
         else
                 prot_type = QETH_PROT_TCPIP;
 
@@ -2108,15 +2175,21 @@ qeth_check_for_inbound_error(struct qeth_qdio_buffer *buf,
 }
 
 static inline struct sk_buff *
-qeth_get_skb(unsigned int length)
+qeth_get_skb(unsigned int length, struct qeth_hdr *hdr)
 {
         struct sk_buff* skb;
+        int add_len;
+
+        add_len = 0;
+        if (hdr->hdr.osn.id == QETH_HEADER_TYPE_OSN)
+                add_len = sizeof(struct qeth_hdr);
 #ifdef CONFIG_QETH_VLAN
-        if ((skb = dev_alloc_skb(length + VLAN_HLEN)))
-                skb_reserve(skb, VLAN_HLEN);
-#else
-        skb = dev_alloc_skb(length);
+        else
+                add_len = VLAN_HLEN;
 #endif
+        skb = dev_alloc_skb(length + add_len);
+        if (skb && add_len)
+                skb_reserve(skb, add_len);
         return skb;
 }
 
@@ -2146,7 +2219,10 @@ qeth_get_next_skb(struct qeth_card *card, struct qdio_buffer *buffer,
 
         offset += sizeof(struct qeth_hdr);
         if (card->options.layer2)
-                skb_len = (*hdr)->hdr.l2.pkt_length;
+                if (card->info.type == QETH_CARD_TYPE_OSN)
+                        skb_len = (*hdr)->hdr.osn.pdu_length;
+                else
+                        skb_len = (*hdr)->hdr.l2.pkt_length;
         else
                 skb_len = (*hdr)->hdr.l3.length;
 
@@ -2154,15 +2230,15 @@ qeth_get_next_skb(struct qeth_card *card, struct qdio_buffer *buffer,
                 return NULL;
         if (card->options.fake_ll){
                 if(card->dev->type == ARPHRD_IEEE802_TR){
-                        if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_TR)))
+                        if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_TR, *hdr)))
                                 goto no_mem;
                         skb_reserve(skb,QETH_FAKE_LL_LEN_TR);
                 } else {
-                        if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_ETH)))
+                        if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_ETH, *hdr)))
                                 goto no_mem;
                         skb_reserve(skb,QETH_FAKE_LL_LEN_ETH);
                 }
-        } else if (!(skb = qeth_get_skb(skb_len)))
+        } else if (!(skb = qeth_get_skb(skb_len, *hdr)))
                 goto no_mem;
         data_ptr = element->addr + offset;
         while (skb_len) {
@@ -2387,6 +2463,7 @@ qeth_layer2_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
                 skb_pull(skb, VLAN_HLEN);
         }
 #endif
+        *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno;
         return vlan_id;
 }
 
@@ -2460,8 +2537,12 @@ qeth_process_inbound_buffer(struct qeth_card *card,
                 skb->dev = card->dev;
                 if (hdr->hdr.l2.id == QETH_HEADER_TYPE_LAYER2)
                         vlan_tag = qeth_layer2_rebuild_skb(card, skb, hdr);
-                else
+                else if (hdr->hdr.l3.id == QETH_HEADER_TYPE_LAYER3)     
                         qeth_rebuild_skb(card, skb, hdr);
+                else { /*in case of OSN*/
+                        skb_push(skb, sizeof(struct qeth_hdr));
+                        memcpy(skb->data, hdr, sizeof(struct qeth_hdr));
+                }
                 /* is device UP ? */
                 if (!(card->dev->flags & IFF_UP)){
                         dev_kfree_skb_any(skb);
@@ -2472,7 +2553,10 @@ qeth_process_inbound_buffer(struct qeth_card *card,
                         vlan_hwaccel_rx(skb, card->vlangrp, vlan_tag);
                 else
 #endif
-                rxrc = netif_rx(skb);
+                if (card->info.type == QETH_CARD_TYPE_OSN)
+                        rxrc = card->osn_info.data_cb(skb);
+                else
+                        rxrc = netif_rx(skb);
                 card->dev->last_rx = jiffies;
                 card->stats.rx_packets++;
                 card->stats.rx_bytes += skb->len;
@@ -3014,7 +3098,7 @@ qeth_alloc_buffer_pool(struct qeth_card *card)
                         return -ENOMEM;
                 }
                 for(j = 0; j < QETH_MAX_BUFFER_ELEMENTS(card); ++j){
-                        ptr = (void *) __get_free_page(GFP_KERNEL);
+                        ptr = (void *) __get_free_page(GFP_KERNEL|GFP_DMA);
                         if (!ptr) {
                                 while (j > 0)
                                         free_page((unsigned long)
@@ -3058,7 +3142,8 @@ qeth_alloc_qdio_buffers(struct qeth_card *card)
         if (card->qdio.state == QETH_QDIO_ALLOCATED)
                 return 0;
 
-        card->qdio.in_q = kmalloc(sizeof(struct qeth_qdio_q), GFP_KERNEL);
+        card->qdio.in_q = kmalloc(sizeof(struct qeth_qdio_q), 
+                                  GFP_KERNEL|GFP_DMA);
         if (!card->qdio.in_q)
                 return - ENOMEM;
         QETH_DBF_TEXT(setup, 2, "inq");
@@ -3083,7 +3168,7 @@ qeth_alloc_qdio_buffers(struct qeth_card *card)
         }
         for (i = 0; i < card->qdio.no_out_queues; ++i){
                 card->qdio.out_qs[i] = kmalloc(sizeof(struct qeth_qdio_out_q),
-                                               GFP_KERNEL);
+                                               GFP_KERNEL|GFP_DMA);
                 if (!card->qdio.out_qs[i]){
                         while (i > 0)
                                 kfree(card->qdio.out_qs[--i]);
@@ -3156,8 +3241,6 @@ qeth_init_qdio_info(struct qeth_card *card)
         INIT_LIST_HEAD(&card->qdio.in_buf_pool.entry_list);
         INIT_LIST_HEAD(&card->qdio.init_pool.entry_list);
         /* outbound */
-        card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
-        card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
 }
 
 static int
@@ -3472,7 +3555,7 @@ qeth_mpc_initialize(struct qeth_card *card)
 
         return 0;
 out_qdio:
-        qeth_qdio_clear_card(card, card->info.type==QETH_CARD_TYPE_OSAE);
+        qeth_qdio_clear_card(card, card->info.type!=QETH_CARD_TYPE_IQD);
         return rc;
 }
 
@@ -3497,6 +3580,9 @@ qeth_get_netdevice(enum qeth_card_types type, enum qeth_link_types linktype)
         case QETH_CARD_TYPE_IQD:
                 dev = alloc_netdev(0, "hsi%d", ether_setup);
                 break;
+        case QETH_CARD_TYPE_OSN:
+                dev = alloc_netdev(0, "osn%d", ether_setup);
+                break;
         default:
                 dev = alloc_etherdev(0);
         }
@@ -3661,7 +3747,8 @@ qeth_open(struct net_device *dev)
         if (card->state != CARD_STATE_SOFTSETUP)
                 return -ENODEV;
 
-        if ( (card->options.layer2) &&
+        if ( (card->info.type != QETH_CARD_TYPE_OSN) &&
+             (card->options.layer2) &&
              (!card->info.layer2_mac_registered)) {
                 QETH_DBF_TEXT(trace,4,"nomacadr");
                 return -EPERM;
@@ -3699,6 +3786,9 @@ qeth_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
 {
         int cast_type = RTN_UNSPEC;
 
+        if (card->info.type == QETH_CARD_TYPE_OSN)
+                return cast_type;
+
         if (skb->dst && skb->dst->neighbour){
                 cast_type = skb->dst->neighbour->type;
                 if ((cast_type == RTN_BROADCAST) ||
@@ -3788,13 +3878,16 @@ static inline int
 qeth_prepare_skb(struct qeth_card *card, struct sk_buff **skb,
                  struct qeth_hdr **hdr, int ipv)
 {
-        int rc;
+        int rc = 0;
 #ifdef CONFIG_QETH_VLAN
         u16 *tag;
 #endif
 
         QETH_DBF_TEXT(trace, 6, "prepskb");
-
+        if (card->info.type == QETH_CARD_TYPE_OSN) {
+                *hdr = (struct qeth_hdr *)(*skb)->data;
+                return rc;
+        }
         rc = qeth_realloc_headroom(card, skb, sizeof(struct qeth_hdr));
         if (rc)
                 return rc;
@@ -4297,8 +4390,14 @@ qeth_send_packet(struct qeth_card *card, struct sk_buff *skb)
                         }
                 }
         }
+        if ((card->info.type == QETH_CARD_TYPE_OSN) &&
+                (skb->protocol == htons(ETH_P_IPV6))) {
+                dev_kfree_skb_any(skb);
+                return 0;
+        }
         cast_type = qeth_get_cast_type(card, skb);
-        if ((cast_type == RTN_BROADCAST) && (card->info.broadcast_capable == 0)){
+        if ((cast_type == RTN_BROADCAST) && 
+            (card->info.broadcast_capable == 0)){
                 card->stats.tx_dropped++;
                 card->stats.tx_errors++;
                 dev_kfree_skb_any(skb);
@@ -4326,7 +4425,8 @@ qeth_send_packet(struct qeth_card *card, struct sk_buff *skb)
                         QETH_DBF_TEXT_(trace, 4, "pskbe%d", rc);
                         return rc;
                 }
-                qeth_fill_header(card, hdr, skb, ipv, cast_type);
+                if (card->info.type != QETH_CARD_TYPE_OSN)
+                        qeth_fill_header(card, hdr, skb, ipv, cast_type);
         }
 
         if (large_send == QETH_LARGE_SEND_EDDP) {
@@ -4387,6 +4487,7 @@ qeth_mdio_read(struct net_device *dev, int phy_id, int regnum)
         case MII_BMCR: /* Basic mode control register */
                 rc = BMCR_FULLDPLX;
                 if ((card->info.link_type != QETH_LINK_TYPE_GBIT_ETH)&&
+                    (card->info.link_type != QETH_LINK_TYPE_OSN) &&
                     (card->info.link_type != QETH_LINK_TYPE_10GBIT_ETH))
                         rc |= BMCR_SPEED100;
                 break;
@@ -5010,6 +5111,9 @@ qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
             (card->state != CARD_STATE_SOFTSETUP))
                 return -ENODEV;
 
+        if (card->info.type == QETH_CARD_TYPE_OSN)
+                return -EPERM;
+
         switch (cmd){
         case SIOC_QETH_ARP_SET_NO_ENTRIES:
                 if ( !capable(CAP_NET_ADMIN) ||
@@ -5200,7 +5304,7 @@ qeth_free_vlan_addresses4(struct qeth_card *card, unsigned short vid)
         if (!card->vlangrp)
                 return;
         rcu_read_lock();
-        in_dev = __in_dev_get(card->vlangrp->vlan_devices[vid]);
+        in_dev = __in_dev_get_rcu(card->vlangrp->vlan_devices[vid]);
         if (!in_dev)
                 goto out;
         for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
@@ -5335,6 +5439,9 @@ qeth_set_multicast_list(struct net_device *dev)
 {
         struct qeth_card *card = (struct qeth_card *) dev->priv;
 
+        if (card->info.type == QETH_CARD_TYPE_OSN)
+                return ;
+         
         QETH_DBF_TEXT(trace,3,"setmulti");
         qeth_delete_mc_addresses(card);
         qeth_add_multicast_ipv4(card);
@@ -5376,6 +5483,94 @@ qeth_get_addr_buffer(enum qeth_prot_versions prot)
         return addr;
 }
 
+int
+qeth_osn_assist(struct net_device *dev,
+                void *data,
+                int data_len)
+{
+        struct qeth_cmd_buffer *iob;
+        struct qeth_card *card;
+        int rc;
+        
+        QETH_DBF_TEXT(trace, 2, "osnsdmc");
+        if (!dev)
+                return -ENODEV;
+        card = (struct qeth_card *)dev->priv;
+        if (!card)
+                return -ENODEV;
+        if ((card->state != CARD_STATE_UP) &&
+            (card->state != CARD_STATE_SOFTSETUP))
+                return -ENODEV;
+        iob = qeth_wait_for_buffer(&card->write);
+        memcpy(iob->data+IPA_PDU_HEADER_SIZE, data, data_len);
+        rc = qeth_osn_send_ipa_cmd(card, iob, data_len);
+        return rc;
+}
+
+static struct net_device *
+qeth_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;
+        unsigned long flags;
+
+        ndev = NULL;
+        memcpy(&temp_dev_no, read_dev_no, 2);
+        read_lock_irqsave(&qeth_card_list.rwlock, flags);
+        list_for_each_entry(card, &qeth_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) {
+                        ndev = card->dev;
+                        break;
+                }
+        }
+        read_unlock_irqrestore(&qeth_card_list.rwlock, flags);
+        return ndev;
+}
+
+int
+qeth_osn_register(unsigned char *read_dev_no,
+                  struct net_device **dev,
+                  int (*assist_cb)(struct net_device *, void *),
+                  int (*data_cb)(struct sk_buff *))
+{
+        struct qeth_card * card;
+
+        QETH_DBF_TEXT(trace, 2, "osnreg");
+        *dev = qeth_netdev_by_devno(read_dev_no);
+        if (*dev == NULL)
+                return -ENODEV;
+        card = (struct qeth_card *)(*dev)->priv;
+        if (!card)
+                return -ENODEV;
+        if ((assist_cb == NULL) || (data_cb == NULL))
+                return -EINVAL;
+        card->osn_info.assist_cb = assist_cb;
+        card->osn_info.data_cb = data_cb;
+        return 0;
+}
+
+void
+qeth_osn_deregister(struct net_device * dev)
+{
+        struct qeth_card *card;
+
+        QETH_DBF_TEXT(trace, 2, "osndereg");
+        if (!dev)
+                return;
+        card = (struct qeth_card *)dev->priv;
+        if (!card)
+                return;
+        card->osn_info.assist_cb = NULL;
+        card->osn_info.data_cb = NULL;
+        return;
+}
+                                           
 static void
 qeth_delete_mc_addresses(struct qeth_card *card)
 {
@@ -5706,6 +5901,12 @@ qeth_layer2_set_mac_address(struct net_device *dev, void *p)
                 QETH_DBF_TEXT(trace, 3, "setmcLY3");
                 return -EOPNOTSUPP;
         }
+        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);
         rc = qeth_layer2_send_delmac(card, &card->dev->dev_addr[0]);
@@ -6082,9 +6283,8 @@ qeth_netdev_init(struct net_device *dev)
                         qeth_get_hlen(card->info.link_type) + card->options.add_hhlen;
         dev->addr_len = OSA_ADDR_LEN;
         dev->mtu = card->info.initial_mtu;
-
-        SET_ETHTOOL_OPS(dev, &qeth_ethtool_ops);
-
+        if (card->info.type != QETH_CARD_TYPE_OSN)
+                SET_ETHTOOL_OPS(dev, &qeth_ethtool_ops);
         SET_MODULE_OWNER(dev);
         return 0;
 }
@@ -6101,6 +6301,7 @@ qeth_init_func_level(struct qeth_card *card)
                                         QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT;
         } else {
                 if (card->info.type == QETH_CARD_TYPE_IQD)
+                /*FIXME:why do we have same values for  dis and ena for osae??? */
                         card->info.func_level =
                                 QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT;
                 else
@@ -6130,7 +6331,7 @@ retry:
                 ccw_device_set_online(CARD_WDEV(card));
                 ccw_device_set_online(CARD_DDEV(card));
         }
-        rc = qeth_qdio_clear_card(card,card->info.type==QETH_CARD_TYPE_OSAE);
+        rc = qeth_qdio_clear_card(card,card->info.type!=QETH_CARD_TYPE_IQD);
         if (rc == -ERESTARTSYS) {
                 QETH_DBF_TEXT(setup, 2, "break1");
                 return rc;
@@ -6182,8 +6383,8 @@ retry:
         card->dev = qeth_get_netdevice(card->info.type,
                                        card->info.link_type);
         if (!card->dev){
-                qeth_qdio_clear_card(card, card->info.type ==
-                                     QETH_CARD_TYPE_OSAE);
+                qeth_qdio_clear_card(card, card->info.type !=
+                                     QETH_CARD_TYPE_IQD);
                 rc = -ENODEV;
                 QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
                 goto out;
@@ -6470,6 +6671,9 @@ qeth_query_ipassists_cb(struct qeth_card *card, struct qeth_reply *reply,
         if (cmd->hdr.prot_version == QETH_PROT_IPV4) {
                 card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported;
                 card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
+                /* Disable IPV6 support hard coded for Hipersockets */
+                if(card->info.type == QETH_CARD_TYPE_IQD)
+                        card->options.ipa4.supported_funcs &= ~IPA_IPV6;
         } else {
 #ifdef CONFIG_QETH_IPV6
                 card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported;
@@ -7087,6 +7291,8 @@ qeth_softsetup_card(struct qeth_card *card)
                         return rc;
         } else
                 card->lan_online = 1;
+        if (card->info.type==QETH_CARD_TYPE_OSN)
+                goto out;
         if (card->options.layer2) {
                 card->dev->features |=
                         NETIF_F_HW_VLAN_FILTER |
@@ -7258,7 +7464,8 @@ qeth_stop_card(struct qeth_card *card, int recovery_mode)
         if (card->read.state == CH_STATE_UP &&
             card->write.state == CH_STATE_UP &&
             (card->state == CARD_STATE_UP)) {
-                if(recovery_mode) {
+                if (recovery_mode && 
+                    card->info.type != QETH_CARD_TYPE_OSN) {
                         qeth_stop(card->dev);
                 } else {
                         rtnl_lock();
@@ -7440,7 +7647,8 @@ qeth_start_again(struct qeth_card *card, int recovery_mode)
 {
         QETH_DBF_TEXT(setup ,2, "startag");
 
-        if(recovery_mode) {
+        if (recovery_mode && 
+            card->info.type != QETH_CARD_TYPE_OSN) {
                 qeth_open(card->dev);
         } else {
                 rtnl_lock();
@@ -7472,33 +7680,36 @@ qeth_start_again(struct qeth_card *card, int recovery_mode)
 static void qeth_make_parameters_consistent(struct qeth_card *card)
 {
 
-        if (card->options.layer2) {
-                if (card->info.type == QETH_CARD_TYPE_IQD) {
-                        PRINT_ERR("Device %s does not support " \
-                                  "layer 2 functionality. "  \
-                                  "Ignoring layer2 option.\n",CARD_BUS_ID(card));
-                }
-                IGNORE_PARAM_NEQ(route4.type, NO_ROUTER, NO_ROUTER,
-                                 "Routing options are");
+        if (card->options.layer2 == 0)
+                return;
+        if (card->info.type == QETH_CARD_TYPE_OSN)
+                return;
+        if (card->info.type == QETH_CARD_TYPE_IQD) {
+                PRINT_ERR("Device %s does not support layer 2 functionality." \
+                          " Ignoring layer2 option.\n",CARD_BUS_ID(card));
+                card->options.layer2 = 0;
+                return;
+        }
+        IGNORE_PARAM_NEQ(route4.type, NO_ROUTER, NO_ROUTER,
+                         "Routing options are");
 #ifdef CONFIG_QETH_IPV6
-                IGNORE_PARAM_NEQ(route6.type, NO_ROUTER, NO_ROUTER,
-                                 "Routing options are");
+        IGNORE_PARAM_NEQ(route6.type, NO_ROUTER, NO_ROUTER,
+                         "Routing options are");
 #endif
-                IGNORE_PARAM_EQ(checksum_type, HW_CHECKSUMMING,
-                                QETH_CHECKSUM_DEFAULT,
-                                "Checksumming options are");
-                IGNORE_PARAM_NEQ(broadcast_mode, QETH_TR_BROADCAST_ALLRINGS,
-                                 QETH_TR_BROADCAST_ALLRINGS,
-                                 "Broadcast mode options are");
-                IGNORE_PARAM_NEQ(macaddr_mode, QETH_TR_MACADDR_NONCANONICAL,
-                                 QETH_TR_MACADDR_NONCANONICAL,
-                                 "Canonical MAC addr options are");
-                IGNORE_PARAM_NEQ(fake_broadcast, 0, 0,
-                                 "Broadcast faking options are");
-                IGNORE_PARAM_NEQ(add_hhlen, DEFAULT_ADD_HHLEN,
-                                 DEFAULT_ADD_HHLEN,"Option add_hhlen is");
-                IGNORE_PARAM_NEQ(fake_ll, 0, 0,"Option fake_ll is");
-        }
+        IGNORE_PARAM_EQ(checksum_type, HW_CHECKSUMMING,
+                        QETH_CHECKSUM_DEFAULT,
+                        "Checksumming options are");
+        IGNORE_PARAM_NEQ(broadcast_mode, QETH_TR_BROADCAST_ALLRINGS,
+                         QETH_TR_BROADCAST_ALLRINGS,
+                         "Broadcast mode options are");
+        IGNORE_PARAM_NEQ(macaddr_mode, QETH_TR_MACADDR_NONCANONICAL,
+                         QETH_TR_MACADDR_NONCANONICAL,
+                         "Canonical MAC addr options are");
+        IGNORE_PARAM_NEQ(fake_broadcast, 0, 0,
+                         "Broadcast faking options are");
+        IGNORE_PARAM_NEQ(add_hhlen, DEFAULT_ADD_HHLEN,
+                         DEFAULT_ADD_HHLEN,"Option add_hhlen is");
+        IGNORE_PARAM_NEQ(fake_ll, 0, 0,"Option fake_ll is");
 }
 
 
@@ -7528,8 +7739,7 @@ __qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode)
                 return -EIO;
         }
 
-        if (card->options.layer2)
-                qeth_make_parameters_consistent(card);
+        qeth_make_parameters_consistent(card);
 
         if ((rc = qeth_hardsetup_card(card))){
                 QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
@@ -7588,6 +7798,7 @@ qeth_set_online(struct ccwgroup_device *gdev)
 static struct ccw_device_id qeth_ids[] = {
         {CCW_DEVICE(0x1731, 0x01), driver_info:QETH_CARD_TYPE_OSAE},
         {CCW_DEVICE(0x1731, 0x05), driver_info:QETH_CARD_TYPE_IQD},
+        {CCW_DEVICE(0x1731, 0x06), driver_info:QETH_CARD_TYPE_OSN},
         {},
 };
 MODULE_DEVICE_TABLE(ccw, qeth_ids);
@@ -7725,7 +7936,7 @@ qeth_arp_constructor(struct neighbour *neigh)
                 goto out;
 
         rcu_read_lock();
-        in_dev = rcu_dereference(__in_dev_get(dev));
+        in_dev = __in_dev_get_rcu(dev);
         if (in_dev == NULL) {
                 rcu_read_unlock();
                 return -EINVAL;
@@ -8332,6 +8543,9 @@ again:
         printk("qeth: removed\n");
 }
 
+EXPORT_SYMBOL(qeth_osn_register);
+EXPORT_SYMBOL(qeth_osn_deregister);
+EXPORT_SYMBOL(qeth_osn_assist);
 module_init(qeth_init);
 module_exit(qeth_exit);
 MODULE_AUTHOR("Frank Pavlic <pavlic@de.ibm.com>");