summaryrefslogtreecommitdiff
path: root/drivers/s390/net
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/s390/net')
-rw-r--r--drivers/s390/net/qeth_core.h5
-rw-r--r--drivers/s390/net/qeth_core_main.c135
-rw-r--r--drivers/s390/net/qeth_core_mpc.c1
-rw-r--r--drivers/s390/net/qeth_core_mpc.h5
-rw-r--r--drivers/s390/net/qeth_core_sys.c3
-rw-r--r--drivers/s390/net/qeth_l2_main.c16
-rw-r--r--drivers/s390/net/qeth_l3_main.c14
7 files changed, 112 insertions, 67 deletions
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index 7f526bf1ecea..d690b33846cc 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -678,6 +678,7 @@ struct qeth_card_options {
int performance_stats;
int rx_sg_cb;
enum qeth_ipa_isolation_modes isolation;
+ enum qeth_ipa_isolation_modes prev_isolation;
int sniffer;
enum qeth_cq cq;
char hsuid[9];
@@ -789,6 +790,7 @@ struct qeth_card {
struct qeth_rx rx;
struct delayed_work buffer_reclaim_work;
int reclaim_index;
+ struct work_struct close_dev_work;
};
struct qeth_card_list_struct {
@@ -925,12 +927,13 @@ void qeth_core_get_strings(struct net_device *, u32, u8 *);
void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *);
void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...);
int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *);
-int qeth_set_access_ctrl_online(struct qeth_card *card);
+int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback);
int qeth_hdr_chk_and_bounce(struct sk_buff *, int);
int qeth_configure_cq(struct qeth_card *, enum qeth_cq);
int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action);
int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot);
void qeth_trace_features(struct qeth_card *);
+void qeth_close_dev(struct qeth_card *);
/* exports for OSN */
int qeth_osn_assist(struct net_device *, void *, int);
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index db077c48a8b7..1cccbad69cd4 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -68,6 +68,27 @@ static void qeth_clear_output_buffer(struct qeth_qdio_out_q *queue,
enum qeth_qdio_buffer_states newbufstate);
static int qeth_init_qdio_out_buf(struct qeth_qdio_out_q *, int);
+static struct workqueue_struct *qeth_wq;
+
+static void qeth_close_dev_handler(struct work_struct *work)
+{
+ struct qeth_card *card;
+
+ card = container_of(work, struct qeth_card, close_dev_work);
+ QETH_CARD_TEXT(card, 2, "cldevhdl");
+ rtnl_lock();
+ dev_close(card->dev);
+ rtnl_unlock();
+ ccwgroup_set_offline(card->gdev);
+}
+
+void qeth_close_dev(struct qeth_card *card)
+{
+ QETH_CARD_TEXT(card, 2, "cldevsubm");
+ queue_work(qeth_wq, &card->close_dev_work);
+}
+EXPORT_SYMBOL_GPL(qeth_close_dev);
+
static inline const char *qeth_get_cardname(struct qeth_card *card)
{
if (card->info.guestlan) {
@@ -542,11 +563,23 @@ static struct qeth_ipa_cmd *qeth_check_ipa_data(struct qeth_card *card,
} else {
switch (cmd->hdr.command) {
case IPA_CMD_STOPLAN:
- dev_warn(&card->gdev->dev,
+ if (cmd->hdr.return_code ==
+ IPA_RC_VEPA_TO_VEB_TRANSITION) {
+ dev_err(&card->gdev->dev,
+ "Interface %s is down because the "
+ "adjacent port is no longer in "
+ "reflective relay mode\n",
+ QETH_CARD_IFNAME(card));
+ qeth_close_dev(card);
+ } else {
+ dev_warn(&card->gdev->dev,
"The link for interface %s on CHPID"
" 0x%X failed\n",
QETH_CARD_IFNAME(card),
card->info.chpid);
+ qeth_issue_ipa_msg(cmd,
+ cmd->hdr.return_code, card);
+ }
card->lan_online = 0;
if (card->dev && netif_carrier_ok(card->dev))
netif_carrier_off(card->dev);
@@ -1416,6 +1449,7 @@ static int qeth_setup_card(struct qeth_card *card)
/* init QDIO stuff */
qeth_init_qdio_info(card);
INIT_DELAYED_WORK(&card->buffer_reclaim_work, qeth_buffer_reclaim_work);
+ INIT_WORK(&card->close_dev_work, qeth_close_dev_handler);
return 0;
}
@@ -4057,6 +4091,7 @@ static int qeth_setadpparms_set_access_ctrl_cb(struct qeth_card *card,
{
struct qeth_ipa_cmd *cmd;
struct qeth_set_access_ctrl *access_ctrl_req;
+ int fallback = *(int *)reply->param;
QETH_CARD_TEXT(card, 4, "setaccb");
@@ -4066,12 +4101,14 @@ static int qeth_setadpparms_set_access_ctrl_cb(struct qeth_card *card,
QETH_DBF_TEXT_(SETUP, 2, "%s", card->gdev->dev.kobj.name);
QETH_DBF_TEXT_(SETUP, 2, "rc=%d",
cmd->data.setadapterparms.hdr.return_code);
+ if (cmd->data.setadapterparms.hdr.return_code !=
+ SET_ACCESS_CTRL_RC_SUCCESS)
+ QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_CTRL(%s,%d)==%d\n",
+ card->gdev->dev.kobj.name,
+ access_ctrl_req->subcmd_code,
+ cmd->data.setadapterparms.hdr.return_code);
switch (cmd->data.setadapterparms.hdr.return_code) {
case SET_ACCESS_CTRL_RC_SUCCESS:
- case SET_ACCESS_CTRL_RC_ALREADY_NOT_ISOLATED:
- case SET_ACCESS_CTRL_RC_ALREADY_ISOLATED:
- {
- card->options.isolation = access_ctrl_req->subcmd_code;
if (card->options.isolation == ISOLATION_MODE_NONE) {
dev_info(&card->gdev->dev,
"QDIO data connection isolation is deactivated\n");
@@ -4079,72 +4116,64 @@ static int qeth_setadpparms_set_access_ctrl_cb(struct qeth_card *card,
dev_info(&card->gdev->dev,
"QDIO data connection isolation is activated\n");
}
- QETH_DBF_MESSAGE(3, "OK:SET_ACCESS_CTRL(%s, %d)==%d\n",
- card->gdev->dev.kobj.name,
- access_ctrl_req->subcmd_code,
- cmd->data.setadapterparms.hdr.return_code);
break;
- }
+ case SET_ACCESS_CTRL_RC_ALREADY_NOT_ISOLATED:
+ QETH_DBF_MESSAGE(2, "%s QDIO data connection isolation already "
+ "deactivated\n", dev_name(&card->gdev->dev));
+ if (fallback)
+ card->options.isolation = card->options.prev_isolation;
+ break;
+ case SET_ACCESS_CTRL_RC_ALREADY_ISOLATED:
+ QETH_DBF_MESSAGE(2, "%s QDIO data connection isolation already"
+ " activated\n", dev_name(&card->gdev->dev));
+ if (fallback)
+ card->options.isolation = card->options.prev_isolation;
+ break;
case SET_ACCESS_CTRL_RC_NOT_SUPPORTED:
- {
- QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_CTRL(%s,%d)==%d\n",
- card->gdev->dev.kobj.name,
- access_ctrl_req->subcmd_code,
- cmd->data.setadapterparms.hdr.return_code);
dev_err(&card->gdev->dev, "Adapter does not "
"support QDIO data connection isolation\n");
-
- /* ensure isolation mode is "none" */
- card->options.isolation = ISOLATION_MODE_NONE;
break;
- }
case SET_ACCESS_CTRL_RC_NONE_SHARED_ADAPTER:
- {
- QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d\n",
- card->gdev->dev.kobj.name,
- access_ctrl_req->subcmd_code,
- cmd->data.setadapterparms.hdr.return_code);
dev_err(&card->gdev->dev,
"Adapter is dedicated. "
"QDIO data connection isolation not supported\n");
-
- /* ensure isolation mode is "none" */
- card->options.isolation = ISOLATION_MODE_NONE;
+ if (fallback)
+ card->options.isolation = card->options.prev_isolation;
break;
- }
case SET_ACCESS_CTRL_RC_ACTIVE_CHECKSUM_OFF:
- {
- QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d\n",
- card->gdev->dev.kobj.name,
- access_ctrl_req->subcmd_code,
- cmd->data.setadapterparms.hdr.return_code);
dev_err(&card->gdev->dev,
"TSO does not permit QDIO data connection isolation\n");
-
- /* ensure isolation mode is "none" */
- card->options.isolation = ISOLATION_MODE_NONE;
+ if (fallback)
+ card->options.isolation = card->options.prev_isolation;
+ break;
+ case SET_ACCESS_CTRL_RC_REFLREL_UNSUPPORTED:
+ dev_err(&card->gdev->dev, "The adjacent switch port does not "
+ "support reflective relay mode\n");
+ if (fallback)
+ card->options.isolation = card->options.prev_isolation;
+ break;
+ case SET_ACCESS_CTRL_RC_REFLREL_FAILED:
+ dev_err(&card->gdev->dev, "The reflective relay mode cannot be "
+ "enabled at the adjacent switch port");
+ if (fallback)
+ card->options.isolation = card->options.prev_isolation;
+ break;
+ case SET_ACCESS_CTRL_RC_REFLREL_DEACT_FAILED:
+ dev_warn(&card->gdev->dev, "Turning off reflective relay mode "
+ "at the adjacent switch failed\n");
break;
- }
default:
- {
/* this should never happen */
- QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d"
- "==UNKNOWN\n",
- card->gdev->dev.kobj.name,
- access_ctrl_req->subcmd_code,
- cmd->data.setadapterparms.hdr.return_code);
-
- /* ensure isolation mode is "none" */
- card->options.isolation = ISOLATION_MODE_NONE;
+ if (fallback)
+ card->options.isolation = card->options.prev_isolation;
break;
}
- }
qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd);
return 0;
}
static int qeth_setadpparms_set_access_ctrl(struct qeth_card *card,
- enum qeth_ipa_isolation_modes isolation)
+ enum qeth_ipa_isolation_modes isolation, int fallback)
{
int rc;
struct qeth_cmd_buffer *iob;
@@ -4164,12 +4193,12 @@ static int qeth_setadpparms_set_access_ctrl(struct qeth_card *card,
access_ctrl_req->subcmd_code = isolation;
rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_set_access_ctrl_cb,
- NULL);
+ &fallback);
QETH_DBF_TEXT_(SETUP, 2, "rc=%d", rc);
return rc;
}
-int qeth_set_access_ctrl_online(struct qeth_card *card)
+int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback)
{
int rc = 0;
@@ -4179,12 +4208,13 @@ int qeth_set_access_ctrl_online(struct qeth_card *card)
card->info.type == QETH_CARD_TYPE_OSX) &&
qeth_adp_supported(card, IPA_SETADP_SET_ACCESS_CONTROL)) {
rc = qeth_setadpparms_set_access_ctrl(card,
- card->options.isolation);
+ card->options.isolation, fallback);
if (rc) {
QETH_DBF_MESSAGE(3,
"IPA(SET_ACCESS_CTRL,%s,%d) sent failed\n",
card->gdev->dev.kobj.name,
rc);
+ rc = -EOPNOTSUPP;
}
} else if (card->options.isolation != ISOLATION_MODE_NONE) {
card->options.isolation = ISOLATION_MODE_NONE;
@@ -5552,6 +5582,8 @@ static int __init qeth_core_init(void)
rwlock_init(&qeth_core_card_list.rwlock);
mutex_init(&qeth_mod_mutex);
+ qeth_wq = create_singlethread_workqueue("qeth_wq");
+
rc = qeth_register_dbf_views();
if (rc)
goto out_err;
@@ -5598,6 +5630,7 @@ out_err:
static void __exit qeth_core_exit(void)
{
+ destroy_workqueue(qeth_wq);
ccwgroup_driver_unregister(&qeth_core_ccwgroup_driver);
ccw_driver_unregister(&qeth_ccw_driver);
kmem_cache_destroy(qeth_qdio_outbuf_cache);
diff --git a/drivers/s390/net/qeth_core_mpc.c b/drivers/s390/net/qeth_core_mpc.c
index 5cebfddb86bd..06c55780005e 100644
--- a/drivers/s390/net/qeth_core_mpc.c
+++ b/drivers/s390/net/qeth_core_mpc.c
@@ -204,6 +204,7 @@ static struct ipa_rc_msg qeth_ipa_rc_msg[] = {
{IPA_RC_INVALID_SETRTG_INDICATOR, "Invalid SETRTG indicator"},
{IPA_RC_MC_ADDR_ALREADY_DEFINED, "Multicast address already defined"},
{IPA_RC_LAN_OFFLINE, "STRTLAN_LAN_DISABLED - LAN offline"},
+ {IPA_RC_VEPA_TO_VEB_TRANSITION, "Adj. switch disabled port mode RR"},
{IPA_RC_INVALID_IP_VERSION2, "Invalid IP version"},
{IPA_RC_ENOMEM, "Memory problem"},
{IPA_RC_FFFF, "Unknown Error"}
diff --git a/drivers/s390/net/qeth_core_mpc.h b/drivers/s390/net/qeth_core_mpc.h
index 3690bbf2cb3c..07085d55f9a1 100644
--- a/drivers/s390/net/qeth_core_mpc.h
+++ b/drivers/s390/net/qeth_core_mpc.h
@@ -177,6 +177,7 @@ enum qeth_ipa_return_codes {
IPA_RC_INVALID_SETRTG_INDICATOR = 0xe012,
IPA_RC_MC_ADDR_ALREADY_DEFINED = 0xe013,
IPA_RC_LAN_OFFLINE = 0xe080,
+ IPA_RC_VEPA_TO_VEB_TRANSITION = 0xe090,
IPA_RC_INVALID_IP_VERSION2 = 0xf001,
IPA_RC_ENOMEM = 0xfffe,
IPA_RC_FFFF = 0xffff
@@ -269,6 +270,9 @@ enum qeth_ipa_set_access_mode_rc {
SET_ACCESS_CTRL_RC_ALREADY_ISOLATED = 0x0010,
SET_ACCESS_CTRL_RC_NONE_SHARED_ADAPTER = 0x0014,
SET_ACCESS_CTRL_RC_ACTIVE_CHECKSUM_OFF = 0x0018,
+ SET_ACCESS_CTRL_RC_REFLREL_UNSUPPORTED = 0x0022,
+ SET_ACCESS_CTRL_RC_REFLREL_FAILED = 0x0024,
+ SET_ACCESS_CTRL_RC_REFLREL_DEACT_FAILED = 0x0028,
};
@@ -386,6 +390,7 @@ struct qeth_snmp_ureq {
/* SET_ACCESS_CONTROL: same format for request and reply */
struct qeth_set_access_ctrl {
__u32 subcmd_code;
+ __u8 reserved[8];
} __attribute__((packed));
struct qeth_query_oat {
diff --git a/drivers/s390/net/qeth_core_sys.c b/drivers/s390/net/qeth_core_sys.c
index 9655dc0ea0ec..425c0ecf1f3b 100644
--- a/drivers/s390/net/qeth_core_sys.c
+++ b/drivers/s390/net/qeth_core_sys.c
@@ -513,10 +513,11 @@ static ssize_t qeth_dev_isolation_store(struct device *dev,
rc = count;
/* defer IP assist if device is offline (until discipline->set_online)*/
+ card->options.prev_isolation = card->options.isolation;
card->options.isolation = isolation;
if (card->state == CARD_STATE_SOFTSETUP ||
card->state == CARD_STATE_UP) {
- int ipa_rc = qeth_set_access_ctrl_online(card);
+ int ipa_rc = qeth_set_access_ctrl_online(card, 1);
if (ipa_rc != 0)
rc = ipa_rc;
}
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 73195553f84b..d690166efeaf 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -1025,9 +1025,14 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
contin:
if ((card->info.type == QETH_CARD_TYPE_OSD) ||
- (card->info.type == QETH_CARD_TYPE_OSX))
+ (card->info.type == QETH_CARD_TYPE_OSX)) {
/* configure isolation level */
- qeth_set_access_ctrl_online(card);
+ rc = qeth_set_access_ctrl_online(card, 0);
+ if (rc) {
+ rc = -ENODEV;
+ goto out_remove;
+ }
+ }
if (card->info.type != QETH_CARD_TYPE_OSN &&
card->info.type != QETH_CARD_TYPE_OSM)
@@ -1144,12 +1149,9 @@ static int qeth_l2_recover(void *ptr)
dev_info(&card->gdev->dev,
"Device successfully recovered!\n");
else {
- if (rtnl_trylock()) {
- dev_close(card->dev);
- rtnl_unlock();
- dev_warn(&card->gdev->dev, "The qeth device driver "
+ qeth_close_dev(card);
+ dev_warn(&card->gdev->dev, "The qeth device driver "
"failed to recover an error on the device\n");
- }
}
qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 0749efe1c6d9..091ca0efa1c5 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -1449,7 +1449,8 @@ static int qeth_l3_start_ipassists(struct qeth_card *card)
{
QETH_CARD_TEXT(card, 3, "strtipas");
- qeth_set_access_ctrl_online(card); /* go on*/
+ if (qeth_set_access_ctrl_online(card, 0))
+ return -EIO;
qeth_l3_start_ipa_arp_processing(card); /* go on*/
qeth_l3_start_ipa_ip_fragmentation(card); /* go on*/
qeth_l3_start_ipa_source_mac(card); /* go on*/
@@ -3388,8 +3389,10 @@ contin:
QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc);
if (!card->options.sniffer) {
rc = qeth_l3_start_ipassists(card);
- if (rc)
+ if (rc) {
QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc);
+ goto out_remove;
+ }
rc = qeth_l3_setrouting_v4(card);
if (rc)
QETH_DBF_TEXT_(SETUP, 2, "4err%d", rc);
@@ -3511,12 +3514,9 @@ static int qeth_l3_recover(void *ptr)
dev_info(&card->gdev->dev,
"Device successfully recovered!\n");
else {
- if (rtnl_trylock()) {
- dev_close(card->dev);
- rtnl_unlock();
- dev_warn(&card->gdev->dev, "The qeth device driver "
+ qeth_close_dev(card);
+ dev_warn(&card->gdev->dev, "The qeth device driver "
"failed to recover an error on the device\n");
- }
}
qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);