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path: root/drivers/s390/net/qeth_l2_main.c
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Diffstat (limited to 'drivers/s390/net/qeth_l2_main.c')
-rw-r--r--drivers/s390/net/qeth_l2_main.c107
1 files changed, 32 insertions, 75 deletions
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 2c9714215775..8efb2e8ff8f4 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -285,25 +285,13 @@ static int qeth_l2_vlan_rx_kill_vid(struct net_device *dev,
return qeth_l2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN);
}
-static void qeth_l2_stop_card(struct qeth_card *card, int recovery_mode)
+static void qeth_l2_stop_card(struct qeth_card *card)
{
QETH_DBF_TEXT(SETUP , 2, "stopcard");
QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *));
qeth_set_allowed_threads(card, 0, 1);
- if (card->read.state == CH_STATE_UP &&
- card->write.state == CH_STATE_UP &&
- (card->state == CARD_STATE_UP)) {
- if (recovery_mode && !IS_OSN(card)) {
- qeth_stop(card->dev);
- } else {
- rtnl_lock();
- dev_close(card->dev);
- rtnl_unlock();
- }
- card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
- card->state = CARD_STATE_SOFTSETUP;
- }
+
if (card->state == CARD_STATE_SOFTSETUP) {
qeth_l2_del_all_macs(card);
qeth_clear_ipacmd_list(card);
@@ -321,6 +309,7 @@ static void qeth_l2_stop_card(struct qeth_card *card, int recovery_mode)
}
flush_workqueue(card->event_wq);
+ card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
}
static int qeth_l2_process_inbound_buffer(struct qeth_card *card,
@@ -622,11 +611,6 @@ static netdev_tx_t qeth_l2_hard_start_xmit(struct sk_buff *skb,
queue = qeth_get_tx_queue(card, skb, ipv, cast_type);
- if (card->state != CARD_STATE_UP) {
- QETH_TXQ_STAT_INC(queue, tx_carrier_errors);
- goto tx_drop;
- }
-
netif_stop_queue(dev);
if (IS_OSN(card))
@@ -644,7 +628,6 @@ static netdev_tx_t qeth_l2_hard_start_xmit(struct sk_buff *skb,
return NETDEV_TX_BUSY;
} /* else fall through */
-tx_drop:
QETH_TXQ_STAT_INC(queue, tx_dropped);
QETH_TXQ_STAT_INC(queue, tx_errors);
dev_kfree_skb_any(skb);
@@ -802,12 +785,11 @@ static void qeth_l2_trace_features(struct qeth_card *card)
sizeof(card->options.vnicc.sup_chars));
}
-static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
+static int qeth_l2_set_online(struct ccwgroup_device *gdev)
{
struct qeth_card *card = dev_get_drvdata(&gdev->dev);
struct net_device *dev = card->dev;
int rc = 0;
- enum qeth_card_states recover_flag;
bool carrier_ok;
mutex_lock(&card->discipline_mutex);
@@ -815,19 +797,12 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
QETH_DBF_TEXT(SETUP, 2, "setonlin");
QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *));
- recover_flag = card->state;
rc = qeth_core_hardsetup_card(card, &carrier_ok);
if (rc) {
QETH_DBF_TEXT_(SETUP, 2, "2err%04x", rc);
rc = -ENODEV;
goto out_remove;
}
- qeth_bridgeport_query_support(card);
- if (card->options.sbp.supported_funcs)
- dev_info(&card->gdev->dev,
- "The device represents a Bridge Capable Port\n");
-
- qeth_l2_register_dev_addr(card);
if (qeth_is_diagass_supported(card, QETH_DIAGS_CMD_TRAP)) {
if (card->info.hwtrap &&
@@ -836,6 +811,13 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
} else
card->info.hwtrap = 0;
+ qeth_bridgeport_query_support(card);
+ if (card->options.sbp.supported_funcs)
+ dev_info(&card->gdev->dev,
+ "The device represents a Bridge Capable Port\n");
+
+ qeth_l2_register_dev_addr(card);
+
/* for the rx_bcast characteristic, init VNICC after setmac */
qeth_l2_vnicc_init(card);
@@ -881,15 +863,9 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
netif_device_attach(dev);
qeth_enable_hw_features(dev);
- if (recover_flag == CARD_STATE_RECOVER) {
- if (recovery_mode && !IS_OSN(card)) {
- if (!qeth_l2_validate_addr(dev)) {
- qeth_open(dev);
- qeth_l2_set_rx_mode(dev);
- }
- } else {
- dev_open(dev, NULL);
- }
+ if (card->info.open_when_online) {
+ card->info.open_when_online = 0;
+ dev_open(dev, NULL);
}
rtnl_unlock();
}
@@ -900,48 +876,42 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
return 0;
out_remove:
- qeth_l2_stop_card(card, 0);
+ qeth_l2_stop_card(card);
ccw_device_set_offline(CARD_DDEV(card));
ccw_device_set_offline(CARD_WDEV(card));
ccw_device_set_offline(CARD_RDEV(card));
qdio_free(CARD_DDEV(card));
- if (recover_flag == CARD_STATE_RECOVER)
- card->state = CARD_STATE_RECOVER;
- else
- card->state = CARD_STATE_DOWN;
+ card->state = CARD_STATE_DOWN;
+
mutex_unlock(&card->conf_mutex);
mutex_unlock(&card->discipline_mutex);
return rc;
}
-static int qeth_l2_set_online(struct ccwgroup_device *gdev)
-{
- return __qeth_l2_set_online(gdev, 0);
-}
-
static int __qeth_l2_set_offline(struct ccwgroup_device *cgdev,
int recovery_mode)
{
struct qeth_card *card = dev_get_drvdata(&cgdev->dev);
int rc = 0, rc2 = 0, rc3 = 0;
- enum qeth_card_states recover_flag;
mutex_lock(&card->discipline_mutex);
mutex_lock(&card->conf_mutex);
QETH_DBF_TEXT(SETUP, 3, "setoffl");
QETH_DBF_HEX(SETUP, 3, &card, sizeof(void *));
+ if ((!recovery_mode && card->info.hwtrap) || card->info.hwtrap == 2) {
+ qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
+ card->info.hwtrap = 1;
+ }
+
rtnl_lock();
+ card->info.open_when_online = card->dev->flags & IFF_UP;
+ dev_close(card->dev);
netif_device_detach(card->dev);
netif_carrier_off(card->dev);
rtnl_unlock();
- recover_flag = card->state;
- if ((!recovery_mode && card->info.hwtrap) || card->info.hwtrap == 2) {
- qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
- card->info.hwtrap = 1;
- }
- qeth_l2_stop_card(card, recovery_mode);
+ qeth_l2_stop_card(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));
@@ -950,8 +920,7 @@ static int __qeth_l2_set_offline(struct ccwgroup_device *cgdev,
if (rc)
QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
qdio_free(CARD_DDEV(card));
- if (recover_flag == CARD_STATE_UP)
- card->state = CARD_STATE_RECOVER;
+
/* let user_space know that device is offline */
kobject_uevent(&cgdev->dev.kobj, KOBJ_CHANGE);
mutex_unlock(&card->conf_mutex);
@@ -977,12 +946,12 @@ static int qeth_l2_recover(void *ptr)
dev_warn(&card->gdev->dev,
"A recovery process has been started for the device\n");
__qeth_l2_set_offline(card->gdev, 1);
- rc = __qeth_l2_set_online(card->gdev, 1);
+ rc = qeth_l2_set_online(card->gdev);
if (!rc)
dev_info(&card->gdev->dev,
"Device successfully recovered!\n");
else {
- qeth_close_dev(card);
+ ccwgroup_set_offline(card->gdev);
dev_warn(&card->gdev->dev, "The qeth device driver "
"failed to recover an error on the device\n");
}
@@ -1010,29 +979,17 @@ static int qeth_l2_pm_suspend(struct ccwgroup_device *gdev)
wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0);
if (gdev->state == CCWGROUP_OFFLINE)
return 0;
- if (card->state == CARD_STATE_UP) {
- if (card->info.hwtrap)
- qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
- __qeth_l2_set_offline(card->gdev, 1);
- } else
- __qeth_l2_set_offline(card->gdev, 0);
+
+ qeth_l2_set_offline(gdev);
return 0;
}
static int qeth_l2_pm_resume(struct ccwgroup_device *gdev)
{
struct qeth_card *card = dev_get_drvdata(&gdev->dev);
- int rc = 0;
+ int rc;
- if (card->state == CARD_STATE_RECOVER) {
- rc = __qeth_l2_set_online(card->gdev, 1);
- if (rc) {
- rtnl_lock();
- dev_close(card->dev);
- rtnl_unlock();
- }
- } else
- rc = __qeth_l2_set_online(card->gdev, 0);
+ rc = qeth_l2_set_online(gdev);
qeth_set_allowed_threads(card, 0xffffffff, 0);
if (rc)
generated by cgit v1.2.3-70-g09d2 (git 2.48.1) at 2025-03-28 10:42:10 +0000