diff options
Diffstat (limited to 'drivers/s390/net/qeth_l2_main.c')
-rw-r--r-- | drivers/s390/net/qeth_l2_main.c | 106 |
1 files changed, 53 insertions, 53 deletions
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index 8efb2e8ff8f4..218801232ca2 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -149,29 +149,16 @@ static int qeth_l2_remove_mac(struct qeth_card *card, u8 *mac) return rc; } -static void qeth_l2_del_all_macs(struct qeth_card *card) +static void qeth_l2_drain_rx_mode_cache(struct qeth_card *card) { struct qeth_mac *mac; struct hlist_node *tmp; int i; - spin_lock_bh(&card->mclock); hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) { hash_del(&mac->hnode); kfree(mac); } - spin_unlock_bh(&card->mclock); -} - -static int qeth_l2_get_cast_type(struct qeth_card *card, struct sk_buff *skb) -{ - if (card->info.type == QETH_CARD_TYPE_OSN) - return RTN_UNICAST; - if (is_broadcast_ether_addr(skb->data)) - return RTN_BROADCAST; - if (is_multicast_ether_addr(skb->data)) - return RTN_MULTICAST; - return RTN_UNICAST; } static void qeth_l2_fill_header(struct qeth_qdio_out_q *queue, @@ -292,14 +279,16 @@ static void qeth_l2_stop_card(struct qeth_card *card) qeth_set_allowed_threads(card, 0, 1); + cancel_work_sync(&card->rx_mode_work); + qeth_l2_drain_rx_mode_cache(card); + if (card->state == CARD_STATE_SOFTSETUP) { - qeth_l2_del_all_macs(card); qeth_clear_ipacmd_list(card); card->state = CARD_STATE_HARDSETUP; } if (card->state == CARD_STATE_HARDSETUP) { qeth_qdio_clear_card(card, 0); - qeth_clear_qdio_buffers(card); + qeth_drain_output_queues(card); qeth_clear_working_pool_list(card); card->state = CARD_STATE_DOWN; } @@ -334,13 +323,11 @@ static int qeth_l2_process_inbound_buffer(struct qeth_card *card, case QETH_HEADER_TYPE_LAYER2: skb->protocol = eth_type_trans(skb, skb->dev); qeth_rx_csum(card, skb, hdr->hdr.l2.flags[1]); - if (skb->protocol == htons(ETH_P_802_2)) - *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno; len = skb->len; napi_gro_receive(&card->napi, skb); break; case QETH_HEADER_TYPE_OSN: - if (card->info.type == QETH_CARD_TYPE_OSN) { + if (IS_OSN(card)) { skb_push(skb, sizeof(struct qeth_hdr)); skb_copy_to_linear_data(skb, hdr, sizeof(struct qeth_hdr)); @@ -391,8 +378,7 @@ static int qeth_l2_request_initial_mac(struct qeth_card *card) } /* some devices don't support a custom MAC address: */ - if (card->info.type == QETH_CARD_TYPE_OSM || - card->info.type == QETH_CARD_TYPE_OSX) + if (IS_OSM(card) || IS_OSX(card)) return (rc) ? rc : -EADDRNOTAVAIL; eth_hw_addr_random(card->dev); @@ -515,9 +501,11 @@ static void qeth_l2_add_mac(struct qeth_card *card, struct netdev_hw_addr *ha) hash_add(card->mac_htable, &mac->hnode, mac_hash); } -static void qeth_l2_set_rx_mode(struct net_device *dev) +static void qeth_l2_rx_mode_work(struct work_struct *work) { - struct qeth_card *card = dev->ml_priv; + struct qeth_card *card = container_of(work, struct qeth_card, + rx_mode_work); + struct net_device *dev = card->dev; struct netdev_hw_addr *ha; struct qeth_mac *mac; struct hlist_node *tmp; @@ -526,12 +514,12 @@ static void qeth_l2_set_rx_mode(struct net_device *dev) QETH_CARD_TEXT(card, 3, "setmulti"); - spin_lock_bh(&card->mclock); - + netif_addr_lock_bh(dev); netdev_for_each_mc_addr(ha, dev) qeth_l2_add_mac(card, ha); netdev_for_each_uc_addr(ha, dev) qeth_l2_add_mac(card, ha); + netif_addr_unlock_bh(dev); hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) { switch (mac->disp_flag) { @@ -554,8 +542,6 @@ static void qeth_l2_set_rx_mode(struct net_device *dev) } } - spin_unlock_bh(&card->mclock); - if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) qeth_setadp_promisc_mode(card); else @@ -586,7 +572,7 @@ static int qeth_l2_xmit_osn(struct qeth_card *card, struct sk_buff *skb, } elements += qeth_count_elements(skb, hd_len); - if (elements > QETH_MAX_BUFFER_ELEMENTS(card)) { + if (elements > queue->max_elements) { rc = -E2BIG; goto out; } @@ -603,38 +589,45 @@ static netdev_tx_t qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) { struct qeth_card *card = dev->ml_priv; - int cast_type = qeth_l2_get_cast_type(card, skb); - int ipv = qeth_get_ip_version(skb); + u16 txq = skb_get_queue_mapping(skb); struct qeth_qdio_out_q *queue; int tx_bytes = skb->len; int rc; - queue = qeth_get_tx_queue(card, skb, ipv, cast_type); - - netif_stop_queue(dev); + if (IS_IQD(card)) + txq = qeth_iqd_translate_txq(dev, txq); + queue = card->qdio.out_qs[txq]; if (IS_OSN(card)) rc = qeth_l2_xmit_osn(card, skb, queue); else - rc = qeth_xmit(card, skb, queue, ipv, cast_type, + rc = qeth_xmit(card, skb, queue, qeth_get_ip_version(skb), + qeth_get_ether_cast_type(skb), qeth_l2_fill_header); if (!rc) { QETH_TXQ_STAT_INC(queue, tx_packets); QETH_TXQ_STAT_ADD(queue, tx_bytes, tx_bytes); - netif_wake_queue(dev); return NETDEV_TX_OK; - } else if (rc == -EBUSY) { - return NETDEV_TX_BUSY; - } /* else fall through */ + } QETH_TXQ_STAT_INC(queue, tx_dropped); - QETH_TXQ_STAT_INC(queue, tx_errors); - dev_kfree_skb_any(skb); - netif_wake_queue(dev); + kfree_skb(skb); return NETDEV_TX_OK; } +static u16 qeth_l2_select_queue(struct net_device *dev, struct sk_buff *skb, + struct net_device *sb_dev) +{ + struct qeth_card *card = dev->ml_priv; + + if (IS_IQD(card)) + return qeth_iqd_select_queue(dev, skb, + qeth_get_ether_cast_type(skb), + sb_dev); + return qeth_get_priority_queue(card, skb); +} + static const struct device_type qeth_l2_devtype = { .name = "qeth_layer2", .groups = qeth_l2_attr_groups, @@ -645,6 +638,8 @@ static int qeth_l2_probe_device(struct ccwgroup_device *gdev) struct qeth_card *card = dev_get_drvdata(&gdev->dev); int rc; + qeth_l2_vnicc_set_defaults(card); + if (gdev->dev.type == &qeth_generic_devtype) { rc = qeth_l2_create_device_attributes(&gdev->dev); if (rc) @@ -652,8 +647,7 @@ static int qeth_l2_probe_device(struct ccwgroup_device *gdev) } hash_init(card->mac_htable); - card->info.hwtrap = 0; - qeth_l2_vnicc_set_defaults(card); + INIT_WORK(&card->rx_mode_work, qeth_l2_rx_mode_work); return 0; } @@ -674,12 +668,20 @@ static void qeth_l2_remove_device(struct ccwgroup_device *cgdev) unregister_netdev(card->dev); } +static void qeth_l2_set_rx_mode(struct net_device *dev) +{ + struct qeth_card *card = dev->ml_priv; + + schedule_work(&card->rx_mode_work); +} + static const struct net_device_ops qeth_l2_netdev_ops = { .ndo_open = qeth_open, .ndo_stop = qeth_stop, .ndo_get_stats64 = qeth_get_stats64, .ndo_start_xmit = qeth_l2_hard_start_xmit, .ndo_features_check = qeth_features_check, + .ndo_select_queue = qeth_l2_select_queue, .ndo_validate_addr = qeth_l2_validate_addr, .ndo_set_rx_mode = qeth_l2_set_rx_mode, .ndo_do_ioctl = qeth_do_ioctl, @@ -722,7 +724,7 @@ static int qeth_l2_setup_netdev(struct qeth_card *card, bool carrier_ok) card->dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; } - if (card->info.type == QETH_CARD_TYPE_OSD && !card->info.guestlan) { + if (IS_OSD(card) && !IS_VM_NIC(card)) { card->dev->features |= NETIF_F_SG; /* OSA 3S and earlier has no RX/TX support */ if (qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) { @@ -832,8 +834,7 @@ static int qeth_l2_set_online(struct ccwgroup_device *gdev) /* softsetup */ QETH_DBF_TEXT(SETUP, 2, "softsetp"); - if ((card->info.type == QETH_CARD_TYPE_OSD) || - (card->info.type == QETH_CARD_TYPE_OSX)) { + if (IS_OSD(card) || IS_OSX(card)) { rc = qeth_l2_start_ipassists(card); if (rc) goto out_remove; @@ -1043,13 +1044,13 @@ static int qeth_osn_send_control_data(struct qeth_card *card, int len, QETH_CARD_TEXT(card, 5, "osndctrd"); - wait_event(card->wait_q, - atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0); - qeth_prepare_control_data(card, len, iob); + wait_event(card->wait_q, qeth_trylock_channel(channel)); + iob->finalize(card, iob, len); + QETH_DBF_HEX(CTRL, 2, iob->data, min(len, QETH_DBF_CTRL_LEN)); QETH_CARD_TEXT(card, 6, "osnoirqp"); spin_lock_irq(get_ccwdev_lock(channel->ccwdev)); rc = ccw_device_start_timeout(channel->ccwdev, channel->ccw, - (addr_t) iob, 0, 0, QETH_IPA_TIMEOUT); + (addr_t) iob, 0, 0, iob->timeout); spin_unlock_irq(get_ccwdev_lock(channel->ccwdev)); if (rc) { QETH_DBF_MESSAGE(2, "qeth_osn_send_control_data: " @@ -1457,9 +1458,8 @@ static struct qeth_cmd_buffer *qeth_sbp_build_cmd(struct qeth_card *card, enum qeth_ipa_sbp_cmd sbp_cmd, unsigned int cmd_length) { - enum qeth_ipa_cmds ipa_cmd = (card->info.type == QETH_CARD_TYPE_IQD) ? - IPA_CMD_SETBRIDGEPORT_IQD : - IPA_CMD_SETBRIDGEPORT_OSA; + enum qeth_ipa_cmds ipa_cmd = IS_IQD(card) ? IPA_CMD_SETBRIDGEPORT_IQD : + IPA_CMD_SETBRIDGEPORT_OSA; struct qeth_cmd_buffer *iob; struct qeth_ipa_cmd *cmd; |