]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/s390/net/qeth_main.c
s390: qeth driver hardware specs adaptions
[linux-2.6-omap-h63xx.git] / drivers / s390 / net / qeth_main.c
index ad7792dc1a0461b9f7fb1a8e2758e56c5e18fec6..29d176036e5c5fd0d2cbe5e9d59072e6942f92df 100644 (file)
@@ -315,7 +315,8 @@ qeth_alloc_card(void)
 }
 
 static long
-__qeth_check_irb_error(struct ccw_device *cdev, struct irb *irb)
+__qeth_check_irb_error(struct ccw_device *cdev, unsigned long intparm,
+                      struct irb *irb)
 {
        if (!IS_ERR(irb))
                return 0;
@@ -330,6 +331,14 @@ __qeth_check_irb_error(struct ccw_device *cdev, struct irb *irb)
                PRINT_WARN("timeout on device %s\n", cdev->dev.bus_id);
                QETH_DBF_TEXT(trace, 2, "ckirberr");
                QETH_DBF_TEXT_(trace, 2, "  rc%d", -ETIMEDOUT);
+               if (intparm == QETH_RCD_PARM) {
+                       struct qeth_card *card = CARD_FROM_CDEV(cdev);
+
+                       if (card && (card->data.ccwdev == cdev)) {
+                               card->data.state = CH_STATE_DOWN;
+                               wake_up(&card->wait_q);
+                       }
+               }
                break;
        default:
                PRINT_WARN("unknown error %ld on device %s\n", PTR_ERR(irb),
@@ -401,7 +410,7 @@ qeth_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
 
        QETH_DBF_TEXT(trace,5,"irq");
 
-       if (__qeth_check_irb_error(cdev, irb))
+       if (__qeth_check_irb_error(cdev, intparm, irb))
                return;
        cstat = irb->scsw.cstat;
        dstat = irb->scsw.dstat;
@@ -429,7 +438,8 @@ qeth_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
                channel->state = CH_STATE_HALTED;
 
        /*let's wake up immediately on data channel*/
-       if ((channel == &card->data) && (intparm != 0))
+       if ((channel == &card->data) && (intparm != 0) &&
+           (intparm != QETH_RCD_PARM))
                goto out;
 
        if (intparm == QETH_CLEAR_CHANNEL_PARM) {
@@ -453,6 +463,10 @@ qeth_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
                        HEXDUMP16(WARN,"irb: ",irb);
                        HEXDUMP16(WARN,"sense data: ",irb->ecw);
                }
+               if (intparm == QETH_RCD_PARM) {
+                       channel->state = CH_STATE_DOWN;
+                       goto out;
+               }
                rc = qeth_get_problem(cdev,irb);
                if (rc) {
                        qeth_schedule_recovery(card);
@@ -460,6 +474,10 @@ qeth_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
                }
        }
 
+       if (intparm == QETH_RCD_PARM) {
+               channel->state = CH_STATE_RCD_DONE;
+               goto out;
+       }
        if (intparm) {
                buffer = (struct qeth_cmd_buffer *) __va((addr_t)intparm);
                buffer->state = BUF_STATE_PROCESSED;
@@ -1204,6 +1222,54 @@ qeth_probe_device(struct ccwgroup_device *gdev)
 }
 
 
+static int qeth_read_conf_data(struct qeth_card *card, void **buffer,
+                              int *length)
+{
+       struct ciw *ciw;
+       char *rcd_buf;
+       int ret;
+       struct qeth_channel *channel = &card->data;
+       unsigned long flags;
+
+       /*
+        * scan for RCD command in extended SenseID data
+        */
+       ciw = ccw_device_get_ciw(channel->ccwdev, CIW_TYPE_RCD);
+       if (!ciw || ciw->cmd == 0)
+               return -EOPNOTSUPP;
+       rcd_buf = kzalloc(ciw->count, GFP_KERNEL | GFP_DMA);
+       if (!rcd_buf)
+               return -ENOMEM;
+
+       channel->ccw.cmd_code = ciw->cmd;
+       channel->ccw.cda = (__u32) __pa (rcd_buf);
+       channel->ccw.count = ciw->count;
+       channel->ccw.flags = CCW_FLAG_SLI;
+       channel->state = CH_STATE_RCD;
+       spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
+       ret = ccw_device_start_timeout(channel->ccwdev, &channel->ccw,
+                                      QETH_RCD_PARM, LPM_ANYPATH, 0,
+                                      QETH_RCD_TIMEOUT);
+       spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
+       if (!ret)
+               wait_event(card->wait_q,
+                          (channel->state == CH_STATE_RCD_DONE ||
+                           channel->state == CH_STATE_DOWN));
+       if (channel->state == CH_STATE_DOWN)
+               ret = -EIO;
+       else
+               channel->state = CH_STATE_DOWN;
+       if (ret) {
+               kfree(rcd_buf);
+               *buffer = NULL;
+               *length = 0;
+       } else {
+               *length = ciw->count;
+               *buffer = rcd_buf;
+       }
+       return ret;
+}
+
 static int
 qeth_get_unitaddr(struct qeth_card *card)
 {
@@ -1212,9 +1278,9 @@ qeth_get_unitaddr(struct qeth_card *card)
        int rc;
 
        QETH_DBF_TEXT(setup, 2, "getunit");
-       rc = read_conf_data(CARD_DDEV(card), (void **) &prcd, &length);
+       rc = qeth_read_conf_data(card, (void **) &prcd, &length);
        if (rc) {
-               PRINT_ERR("read_conf_data for device %s returned %i\n",
+               PRINT_ERR("qeth_read_conf_data for device %s returned %i\n",
                          CARD_DDEV_ID(card), rc);
                return rc;
        }
@@ -1223,6 +1289,7 @@ qeth_get_unitaddr(struct qeth_card *card)
        card->info.cula = prcd[63];
        card->info.guestlan = ((prcd[0x10] == _ascebc['V']) &&
                               (prcd[0x11] == _ascebc['M']));
+       kfree(prcd);
        return 0;
 }
 
@@ -1615,6 +1682,21 @@ qeth_put_reply(struct qeth_reply *reply)
                kfree(reply);
 }
 
+static void
+qeth_issue_ipa_msg(struct qeth_ipa_cmd *cmd, struct qeth_card *card)
+{
+       int rc;
+       int com;
+       char * ipa_name;
+
+       com = cmd->hdr.command;
+       rc  = cmd->hdr.return_code;
+       ipa_name = qeth_get_ipa_cmd_name(com);
+
+       PRINT_ERR("%s(x%X) for %s returned x%X \"%s\"\n", ipa_name, com,
+                  QETH_CARD_IFNAME(card), rc, qeth_get_ipa_msg(rc));
+}
+
 static struct qeth_ipa_cmd *
 qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob)
 {
@@ -1623,8 +1705,11 @@ qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob)
        QETH_DBF_TEXT(trace,5,"chkipad");
        if (IS_IPA(iob->data)){
                cmd = (struct qeth_ipa_cmd *) PDU_ENCAPSULATION(iob->data);
-               if (IS_IPA_REPLY(cmd))
+               if (IS_IPA_REPLY(cmd)) {
+                       if (cmd->hdr.return_code)
+                               qeth_issue_ipa_msg(cmd, card);
                        return cmd;
+               }
                else {
                        switch (cmd->hdr.command) {
                        case IPA_CMD_STOPLAN:
@@ -2749,6 +2834,7 @@ qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int,
        struct qeth_qdio_out_buffer *buf;
        int rc;
        int i;
+       unsigned int qdio_flags;
 
        QETH_DBF_TEXT(trace, 6, "flushbuf");
 
@@ -2792,13 +2878,13 @@ qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int,
                queue->card->perf_stats.outbound_do_qdio_start_time =
                        qeth_get_micros();
        }
+       qdio_flags = QDIO_FLAG_SYNC_OUTPUT;
        if (under_int)
-               rc = do_QDIO(CARD_DDEV(queue->card),
-                            QDIO_FLAG_SYNC_OUTPUT | QDIO_FLAG_UNDER_INTERRUPT,
-                            queue->queue_no, index, count, NULL);
-       else
-               rc = do_QDIO(CARD_DDEV(queue->card), QDIO_FLAG_SYNC_OUTPUT,
-                            queue->queue_no, index, count, NULL);
+               qdio_flags |= QDIO_FLAG_UNDER_INTERRUPT;
+       if (atomic_read(&queue->set_pci_flags_count))
+               qdio_flags |= QDIO_FLAG_PCI_OUT;
+       rc = do_QDIO(CARD_DDEV(queue->card), qdio_flags,
+                    queue->queue_no, index, count, NULL);
        if (queue->card->options.performance_stats)
                queue->card->perf_stats.outbound_do_qdio_time +=
                        qeth_get_micros() -
@@ -4423,7 +4509,8 @@ qeth_send_packet(struct qeth_card *card, struct sk_buff *skb)
                qeth_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);
+               ctx = qeth_eddp_create_context(card, new_skb, hdr,
+                                              skb->sk->sk_protocol);
                if (ctx == NULL) {
                        __qeth_free_new_skb(skb, new_skb);
                        PRINT_WARN("could not create eddp context\n");
@@ -5881,9 +5968,6 @@ qeth_layer2_send_setmac_cb(struct qeth_card *card,
        cmd = (struct qeth_ipa_cmd *) data;
        if (cmd->hdr.return_code) {
                QETH_DBF_TEXT_(trace, 2, "L2er%x", cmd->hdr.return_code);
-               PRINT_WARN("Error in registering MAC address on " \
-                          "device %s: x%x\n", CARD_BUS_ID(card),
-                          cmd->hdr.return_code);
                card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
                cmd->hdr.return_code = -EIO;
        } else {
@@ -5918,9 +6002,6 @@ qeth_layer2_send_delmac_cb(struct qeth_card *card,
        QETH_DBF_TEXT(trace, 2, "L2Dmaccb");
        cmd = (struct qeth_ipa_cmd *) data;
        if (cmd->hdr.return_code) {
-               PRINT_WARN("Error in deregistering MAC address on " \
-                          "device %s: x%x\n", CARD_BUS_ID(card),
-                          cmd->hdr.return_code);
                QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code);
                cmd->hdr.return_code = -EIO;
                return 0;
@@ -6584,7 +6665,7 @@ qeth_setadpparms_change_macaddr_cb(struct qeth_card *card,
        QETH_DBF_TEXT(trace,4,"chgmaccb");
 
        cmd = (struct qeth_ipa_cmd *) data;
-       if (!card->options.layer2 || card->info.guestlan ||
+       if (!card->options.layer2 ||
            !(card->info.mac_bits & QETH_LAYER2_MAC_READ)) {
                memcpy(card->dev->dev_addr,
                       &cmd->data.setadapterparms.data.change_addr.addr,
@@ -8430,6 +8511,7 @@ __qeth_reboot_event_card(struct device *dev, void *data)
        card = (struct qeth_card *) dev->driver_data;
        qeth_clear_ip_list(card, 0, 0);
        qeth_qdio_clear_card(card, 0);
+       qeth_clear_qdio_buffers(card);
        return 0;
 }