summaryrefslogtreecommitdiffstats
path: root/drivers/s390/net/qeth_l2_main.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/s390/net/qeth_l2_main.c')
-rw-r--r--drivers/s390/net/qeth_l2_main.c106
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;