Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
[safe/jmp/linux-2.6] / drivers / s390 / net / qeth_l2_main.c
index e609282..f682f7b 100644 (file)
@@ -101,19 +101,16 @@ 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;
                }
@@ -134,14 +131,14 @@ static int qeth_l2_send_setgroupmac_cb(struct qeth_card *card,
        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 " \
+               QETH_DBF_MESSAGE(2, "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));
                cmd->hdr.return_code = 0;
        }
        if (cmd->hdr.return_code)
-               PRINT_ERR("Could not set group MAC " \
+               QETH_DBF_MESSAGE(2, "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);
@@ -166,7 +163,7 @@ 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 " \
+               QETH_DBF_MESSAGE(2, "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);
@@ -186,10 +183,8 @@ static void qeth_l2_add_mc(struct qeth_card *card, __u8 *mac)
 
        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;
@@ -280,7 +275,7 @@ 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);
@@ -333,8 +328,6 @@ 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");
        }
 }
 
@@ -550,16 +543,15 @@ 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) {
                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;
                }
@@ -585,8 +577,6 @@ 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;
        }
@@ -632,8 +622,6 @@ static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
        enum qeth_large_send_types large_send = QETH_LARGE_SEND_NO;
        struct qeth_eddp_context *ctx = NULL;
 
-       QETH_DBF_TEXT(TRACE, 6, "l2xmit");
-
        if ((card->state != CARD_STATE_UP) || !card->lan_online) {
                card->stats.tx_carrier_errors++;
                goto tx_drop;
@@ -655,9 +643,12 @@ static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
        if (card->info.type == QETH_CARD_TYPE_OSN)
                hdr = (struct qeth_hdr *)skb->data;
        else {
-               new_skb = qeth_prepare_skb(card, skb, &hdr);
+               /* 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));
                qeth_l2_fill_header(card, hdr, new_skb, ipv, cast_type);
        }
 
@@ -665,7 +656,7 @@ static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
                ctx = qeth_eddp_create_context(card, new_skb, hdr,
                                                skb->sk->sk_protocol);
                if (ctx == NULL) {
-                       PRINT_WARN("could not create eddp context\n");
+                       QETH_DBF_MESSAGE(2, "could not create eddp context\n");
                        goto tx_drop;
                }
        } else {
@@ -730,6 +721,7 @@ 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;
 }
 
@@ -744,7 +736,6 @@ 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) {
@@ -849,6 +840,22 @@ static void qeth_l2_remove_device(struct ccwgroup_device *cgdev)
        return;
 }
 
+static int qeth_l2_ethtool_set_tso(struct net_device *dev, u32 data)
+{
+       struct qeth_card *card = netdev_priv(dev);
+
+       if (data) {
+               if (card->options.large_send == QETH_LARGE_SEND_NO) {
+                       card->options.large_send = QETH_LARGE_SEND_EDDP;
+                       dev->features |= NETIF_F_TSO;
+               }
+       } else {
+               dev->features &= ~NETIF_F_TSO;
+               card->options.large_send = QETH_LARGE_SEND_NO;
+       }
+       return 0;
+}
+
 static struct ethtool_ops qeth_l2_ethtool_ops = {
        .get_link = ethtool_op_get_link,
        .get_tx_csum = ethtool_op_get_tx_csum,
@@ -856,7 +863,7 @@ static struct ethtool_ops qeth_l2_ethtool_ops = {
        .get_sg = ethtool_op_get_sg,
        .set_sg = ethtool_op_set_sg,
        .get_tso = ethtool_op_get_tso,
-       .set_tso = ethtool_op_set_tso,
+       .set_tso = qeth_l2_ethtool_set_tso,
        .get_strings = qeth_core_get_strings,
        .get_ethtool_stats = qeth_core_get_ethtool_stats,
        .get_stats_count = qeth_core_get_stats_count,
@@ -1139,7 +1146,7 @@ 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);