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qeth: synchronize configuration interface 

Synchronize access to the drivers configuration interface.
Also do not allow configuration changes during online/offline
transition.

Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Frank Blaschka 2010-05-11 19:34:47 +00:00 committed by David S. Miller
parent 65a1f898ef
commit c4949f0743
6 changed files with 243 additions and 169 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/s390/net/qeth_core.h
View File

@ -740,6 +740,7 @@ struct qeth_card {
atomic_t force_alloc_skb;
struct service_level qeth_service_level;
struct qdio_ssqd_desc ssqd;
struct mutex conf_mutex;
};
struct qeth_card_list_struct {

1
drivers/s390/net/qeth_core_main.c
View File

@ -1100,6 +1100,7 @@ static int qeth_setup_card(struct qeth_card *card)
spin_lock_init(&card->lock);
spin_lock_init(&card->ip_lock);
spin_lock_init(&card->thread_mask_lock);
mutex_init(&card->conf_mutex);
card->thread_start_mask = 0;
card->thread_allowed_mask = 0;
card->thread_running_mask = 0;

150
drivers/s390/net/qeth_core_sys.c
View File

@ -122,23 +122,32 @@ static ssize_t qeth_dev_portno_store(struct device *dev,
struct qeth_card *card = dev_get_drvdata(dev);
char *tmp;
unsigned int portno, limit;
int rc = 0;
if (!card)
return -EINVAL;
mutex_lock(&card->conf_mutex);
if ((card->state != CARD_STATE_DOWN) &&
(card->state != CARD_STATE_RECOVER))
return -EPERM;
(card->state != CARD_STATE_RECOVER)) {
rc = -EPERM;
goto out;
}
portno = simple_strtoul(buf, &tmp, 16);
if (portno > QETH_MAX_PORTNO)
return -EINVAL;
if (portno > QETH_MAX_PORTNO) {
rc = -EINVAL;
goto out;
}
limit = (card->ssqd.pcnt ? card->ssqd.pcnt - 1 : card->ssqd.pcnt);
if (portno > limit)
return -EINVAL;
if (portno > limit) {
rc = -EINVAL;
goto out;
}
card->info.portno = portno;
return count;
out:
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
static DEVICE_ATTR(portno, 0644, qeth_dev_portno_show, qeth_dev_portno_store);
@ -165,18 +174,23 @@ static ssize_t qeth_dev_portname_store(struct device *dev,
{
struct qeth_card *card = dev_get_drvdata(dev);
char *tmp;
int i;
int i, rc = 0;
if (!card)
return -EINVAL;
mutex_lock(&card->conf_mutex);
if ((card->state != CARD_STATE_DOWN) &&
(card->state != CARD_STATE_RECOVER))
return -EPERM;
(card->state != CARD_STATE_RECOVER)) {
rc = -EPERM;
goto out;
}
tmp = strsep((char **) &buf, "\n");
if ((strlen(tmp) > 8) || (strlen(tmp) == 0))
return -EINVAL;
if ((strlen(tmp) > 8) || (strlen(tmp) == 0)) {
rc = -EINVAL;
goto out;
}
card->info.portname[0] = strlen(tmp);
/* for beauty reasons */
@ -184,8 +198,9 @@ static ssize_t qeth_dev_portname_store(struct device *dev,
card->info.portname[i] = ' ';
strcpy(card->info.portname + 1, tmp);
ASCEBC(card->info.portname + 1, 8);
return count;
out:
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
static DEVICE_ATTR(portname, 0644, qeth_dev_portname_show,
@ -215,20 +230,25 @@ static ssize_t qeth_dev_prioqing_store(struct device *dev,
{
struct qeth_card *card = dev_get_drvdata(dev);
char *tmp;
int rc = 0;
if (!card)
return -EINVAL;
mutex_lock(&card->conf_mutex);
if ((card->state != CARD_STATE_DOWN) &&
(card->state != CARD_STATE_RECOVER))
return -EPERM;
(card->state != CARD_STATE_RECOVER)) {
rc = -EPERM;
goto out;
}
/* check if 1920 devices are supported ,
* if though we have to permit priority queueing
*/
if (card->qdio.no_out_queues == 1) {
card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
return -EPERM;
rc = -EPERM;
goto out;
}
tmp = strsep((char **) &buf, "\n");
@ -251,10 +271,11 @@ static ssize_t qeth_dev_prioqing_store(struct device *dev,
} else if (!strcmp(tmp, "no_prio_queueing")) {
card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
} else {
return -EINVAL;
}
return count;
} else
rc = -EINVAL;
out:
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
static DEVICE_ATTR(priority_queueing, 0644, qeth_dev_prioqing_show,
@ -277,14 +298,17 @@ static ssize_t qeth_dev_bufcnt_store(struct device *dev,
struct qeth_card *card = dev_get_drvdata(dev);
char *tmp;
int cnt, old_cnt;
int rc;
int rc = 0;
if (!card)
return -EINVAL;
mutex_lock(&card->conf_mutex);
if ((card->state != CARD_STATE_DOWN) &&
(card->state != CARD_STATE_RECOVER))
return -EPERM;
(card->state != CARD_STATE_RECOVER)) {
rc = -EPERM;
goto out;
}
old_cnt = card->qdio.in_buf_pool.buf_count;
cnt = simple_strtoul(buf, &tmp, 10);
@ -293,7 +317,9 @@ static ssize_t qeth_dev_bufcnt_store(struct device *dev,
if (old_cnt != cnt) {
rc = qeth_realloc_buffer_pool(card, cnt);
}
return count;
out:
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
static DEVICE_ATTR(buffer_count, 0644, qeth_dev_bufcnt_show,
@ -337,25 +363,27 @@ static ssize_t qeth_dev_performance_stats_store(struct device *dev,
{
struct qeth_card *card = dev_get_drvdata(dev);
char *tmp;
int i;
int i, rc = 0;
if (!card)
return -EINVAL;
mutex_lock(&card->conf_mutex);
i = simple_strtoul(buf, &tmp, 16);
if ((i == 0) || (i == 1)) {
if (i == card->options.performance_stats)
return count;
goto out;;
card->options.performance_stats = i;
if (i == 0)
memset(&card->perf_stats, 0,
sizeof(struct qeth_perf_stats));
card->perf_stats.initial_rx_packets = card->stats.rx_packets;
card->perf_stats.initial_tx_packets = card->stats.tx_packets;
} else {
return -EINVAL;
}
return count;
} else
rc = -EINVAL;
out:
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
static DEVICE_ATTR(performance_stats, 0644, qeth_dev_performance_stats_show,
@ -377,15 +405,17 @@ static ssize_t qeth_dev_layer2_store(struct device *dev,
{
struct qeth_card *card = dev_get_drvdata(dev);
char *tmp;
int i, rc;
int i, rc = 0;
enum qeth_discipline_id newdis;
if (!card)
return -EINVAL;
if (((card->state != CARD_STATE_DOWN) &&
(card->state != CARD_STATE_RECOVER)))
return -EPERM;
mutex_lock(&card->conf_mutex);
if (card->state != CARD_STATE_DOWN) {
rc = -EPERM;
goto out;
}
i = simple_strtoul(buf, &tmp, 16);
switch (i) {
@ -396,12 +426,13 @@ static ssize_t qeth_dev_layer2_store(struct device *dev,
newdis = QETH_DISCIPLINE_LAYER2;
break;
default:
return -EINVAL;
rc = -EINVAL;
goto out;
}
if (card->options.layer2 == newdis) {
return count;
} else {
if (card->options.layer2 == newdis)
goto out;
else {
if (card->discipline.ccwgdriver) {
card->discipline.ccwgdriver->remove(card->gdev);
qeth_core_free_discipline(card);
@ -410,12 +441,12 @@ static ssize_t qeth_dev_layer2_store(struct device *dev,
rc = qeth_core_load_discipline(card, newdis);
if (rc)
return rc;
goto out;
rc = card->discipline.ccwgdriver->probe(card->gdev);
if (rc)
return rc;
return count;
out:
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
static DEVICE_ATTR(layer2, 0644, qeth_dev_layer2_show,
@ -454,11 +485,10 @@ static ssize_t qeth_dev_isolation_store(struct device *dev,
char *tmp, *curtoken;
curtoken = (char *) buf;
if (!card) {
rc = -EINVAL;
goto out;
}
if (!card)
return -EINVAL;
mutex_lock(&card->conf_mutex);
/* check for unknown, too, in case we do not yet know who we are */
if (card->info.type != QETH_CARD_TYPE_OSAE &&
card->info.type != QETH_CARD_TYPE_UNKNOWN) {
@ -491,6 +521,7 @@ static ssize_t qeth_dev_isolation_store(struct device *dev,
rc = ipa_rc;
}
out:
mutex_unlock(&card->conf_mutex);
return rc;
}
@ -510,22 +541,25 @@ static ssize_t qeth_dev_blkt_store(struct qeth_card *card,
const char *buf, size_t count, int *value, int max_value)
{
char *tmp;
int i;
int i, rc = 0;
if (!card)
return -EINVAL;
mutex_lock(&card->conf_mutex);
if ((card->state != CARD_STATE_DOWN) &&
(card->state != CARD_STATE_RECOVER))
return -EPERM;
i = simple_strtoul(buf, &tmp, 10);
if (i <= max_value) {
*value = i;
} else {
return -EINVAL;
(card->state != CARD_STATE_RECOVER)) {
rc = -EPERM;
goto out;
}
return count;
i = simple_strtoul(buf, &tmp, 10);
if (i <= max_value)
*value = i;
else
rc = -EINVAL;
out:
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
static ssize_t qeth_dev_blkt_total_show(struct device *dev,

8
drivers/s390/net/qeth_l2_main.c
View File

@ -924,6 +924,7 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
enum qeth_card_states recover_flag;
BUG_ON(!card);
mutex_lock(&card->conf_mutex);
QETH_DBF_TEXT(SETUP, 2, "setonlin");
QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *));
@ -956,7 +957,7 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
dev_warn(&card->gdev->dev,
"The LAN is offline\n");
card->lan_online = 0;
return 0;
goto out;
}
rc = -ENODEV;
goto out_remove;
@ -995,6 +996,8 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
}
/* let user_space know that device is online */
kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE);
out:
mutex_unlock(&card->conf_mutex);
return 0;
out_remove:
@ -1007,6 +1010,7 @@ out_remove:
card->state = CARD_STATE_RECOVER;
else
card->state = CARD_STATE_DOWN;
mutex_unlock(&card->conf_mutex);
return rc;
}
@ -1022,6 +1026,7 @@ static int __qeth_l2_set_offline(struct ccwgroup_device *cgdev,
int rc = 0, rc2 = 0, rc3 = 0;
enum qeth_card_states recover_flag;
mutex_lock(&card->conf_mutex);
QETH_DBF_TEXT(SETUP, 3, "setoffl");
QETH_DBF_HEX(SETUP, 3, &card, sizeof(void *));
@ -1040,6 +1045,7 @@ static int __qeth_l2_set_offline(struct ccwgroup_device *cgdev,
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);
return 0;
}

8
drivers/s390/net/qeth_l3_main.c
View File

@ -3378,6 +3378,7 @@ static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode)
enum qeth_card_states recover_flag;
BUG_ON(!card);
mutex_lock(&card->conf_mutex);
QETH_DBF_TEXT(SETUP, 2, "setonlin");
QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *));
@ -3409,7 +3410,7 @@ static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode)
dev_warn(&card->gdev->dev,
"The LAN is offline\n");
card->lan_online = 0;
return 0;
goto out;
}
rc = -ENODEV;
goto out_remove;
@ -3456,6 +3457,8 @@ static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode)
}
/* let user_space know that device is online */
kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE);
out:
mutex_unlock(&card->conf_mutex);
return 0;
out_remove:
card->use_hard_stop = 1;
@ -3467,6 +3470,7 @@ out_remove:
card->state = CARD_STATE_RECOVER;
else
card->state = CARD_STATE_DOWN;
mutex_unlock(&card->conf_mutex);
return rc;
}
@ -3482,6 +3486,7 @@ static int __qeth_l3_set_offline(struct ccwgroup_device *cgdev,
int rc = 0, rc2 = 0, rc3 = 0;
enum qeth_card_states recover_flag;
mutex_lock(&card->conf_mutex);
QETH_DBF_TEXT(SETUP, 3, "setoffl");
QETH_DBF_HEX(SETUP, 3, &card, sizeof(void *));
@ -3500,6 +3505,7 @@ static int __qeth_l3_set_offline(struct ccwgroup_device *cgdev,
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);
return 0;
}

244
drivers/s390/net/qeth_l3_sys.c
View File

@ -70,10 +70,10 @@ static ssize_t qeth_l3_dev_route_store(struct qeth_card *card,
{
enum qeth_routing_types old_route_type = route->type;
char *tmp;
int rc;
int rc = 0;
tmp = strsep((char **) &buf, "\n");
mutex_lock(&card->conf_mutex);
if (!strcmp(tmp, "no_router")) {
route->type = NO_ROUTER;
} else if (!strcmp(tmp, "primary_connector")) {
@ -87,7 +87,8 @@ static ssize_t qeth_l3_dev_route_store(struct qeth_card *card,
} else if (!strcmp(tmp, "multicast_router")) {
route->type = MULTICAST_ROUTER;
} else {
return -EINVAL;
rc = -EINVAL;
goto out;
}
if (((card->state == CARD_STATE_SOFTSETUP) ||
(card->state == CARD_STATE_UP)) &&
@ -97,7 +98,9 @@ static ssize_t qeth_l3_dev_route_store(struct qeth_card *card,
else if (prot == QETH_PROT_IPV6)
rc = qeth_l3_setrouting_v6(card);
}
return count;
out:
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
static ssize_t qeth_l3_dev_route4_store(struct device *dev,
@ -157,22 +160,26 @@ static ssize_t qeth_l3_dev_fake_broadcast_store(struct device *dev,
{
struct qeth_card *card = dev_get_drvdata(dev);
char *tmp;
int i;
int i, rc = 0;
if (!card)
return -EINVAL;
mutex_lock(&card->conf_mutex);
if ((card->state != CARD_STATE_DOWN) &&
(card->state != CARD_STATE_RECOVER))
return -EPERM;
(card->state != CARD_STATE_RECOVER)) {
rc = -EPERM;
goto out;
}
i = simple_strtoul(buf, &tmp, 16);
if ((i == 0) || (i == 1))
card->options.fake_broadcast = i;
else {
return -EINVAL;
}
return count;
else
rc = -EINVAL;
out:
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
static DEVICE_ATTR(fake_broadcast, 0644, qeth_l3_dev_fake_broadcast_show,
@ -200,31 +207,35 @@ static ssize_t qeth_l3_dev_broadcast_mode_store(struct device *dev,
{
struct qeth_card *card = dev_get_drvdata(dev);
char *tmp;
int rc = 0;
if (!card)
return -EINVAL;
mutex_lock(&card->conf_mutex);
if ((card->state != CARD_STATE_DOWN) &&
(card->state != CARD_STATE_RECOVER))
return -EPERM;
(card->state != CARD_STATE_RECOVER)) {
rc = -EPERM;
goto out;
}
if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
(card->info.link_type == QETH_LINK_TYPE_LANE_TR))) {
return -EINVAL;
rc = -EINVAL;
goto out;
}
tmp = strsep((char **) &buf, "\n");
if (!strcmp(tmp, "local")) {
if (!strcmp(tmp, "local"))
card->options.broadcast_mode = QETH_TR_BROADCAST_LOCAL;
return count;
} else if (!strcmp(tmp, "all_rings")) {
else if (!strcmp(tmp, "all_rings"))
card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS;
return count;
} else {
return -EINVAL;
}
return count;
else
rc = -EINVAL;
out:
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
static DEVICE_ATTR(broadcast_mode, 0644, qeth_l3_dev_broadcast_mode_show,
@ -251,18 +262,22 @@ static ssize_t qeth_l3_dev_canonical_macaddr_store(struct device *dev,
{
struct qeth_card *card = dev_get_drvdata(dev);
char *tmp;
int i;
int i, rc = 0;
if (!card)
return -EINVAL;
mutex_lock(&card->conf_mutex);
if ((card->state != CARD_STATE_DOWN) &&
(card->state != CARD_STATE_RECOVER))
return -EPERM;
(card->state != CARD_STATE_RECOVER)) {
rc = -EPERM;
goto out;
}
if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
(card->info.link_type == QETH_LINK_TYPE_LANE_TR))) {
return -EINVAL;
rc = -EINVAL;
goto out;
}
i = simple_strtoul(buf, &tmp, 16);
@ -270,10 +285,11 @@ static ssize_t qeth_l3_dev_canonical_macaddr_store(struct device *dev,
card->options.macaddr_mode = i?
QETH_TR_MACADDR_CANONICAL :
QETH_TR_MACADDR_NONCANONICAL;
else {
return -EINVAL;
}
return count;
else
rc = -EINVAL;
out:
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
static DEVICE_ATTR(canonical_macaddr, 0644, qeth_l3_dev_canonical_macaddr_show,
@ -297,11 +313,12 @@ static ssize_t qeth_l3_dev_checksum_store(struct device *dev,
struct qeth_card *card = dev_get_drvdata(dev);
enum qeth_checksum_types csum_type;
char *tmp;
int rc;
int rc = 0;
if (!card)
return -EINVAL;
mutex_lock(&card->conf_mutex);
tmp = strsep((char **) &buf, "\n");
if (!strcmp(tmp, "sw_checksumming"))
csum_type = SW_CHECKSUMMING;
@ -309,13 +326,15 @@ static ssize_t qeth_l3_dev_checksum_store(struct device *dev,
csum_type = HW_CHECKSUMMING;
else if (!strcmp(tmp, "no_checksumming"))
csum_type = NO_CHECKSUMMING;
else
return -EINVAL;
else {
rc = -EINVAL;
goto out;
}
rc = qeth_l3_set_rx_csum(card, csum_type);
if (rc)
return rc;
return count;
out:
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
static DEVICE_ATTR(checksumming, 0644, qeth_l3_dev_checksum_show,
@ -336,7 +355,7 @@ static ssize_t qeth_l3_dev_sniffer_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct qeth_card *card = dev_get_drvdata(dev);
int ret;
int rc = 0;
unsigned long i;
if (!card)
@ -345,19 +364,24 @@ static ssize_t qeth_l3_dev_sniffer_store(struct device *dev,
if (card->info.type != QETH_CARD_TYPE_IQD)
return -EPERM;
mutex_lock(&card->conf_mutex);
if ((card->state != CARD_STATE_DOWN) &&
(card->state != CARD_STATE_RECOVER))
return -EPERM;
(card->state != CARD_STATE_RECOVER)) {
rc = -EPERM;
goto out;
}
ret = strict_strtoul(buf, 16, &i);
if (ret)
return -EINVAL;
rc = strict_strtoul(buf, 16, &i);
if (rc) {
rc = -EINVAL;
goto out;
}
switch (i) {
case 0:
card->options.sniffer = i;
break;
case 1:
ret = qdio_get_ssqd_desc(CARD_DDEV(card), &card->ssqd);
qdio_get_ssqd_desc(CARD_DDEV(card), &card->ssqd);
if (card->ssqd.qdioac2 & QETH_SNIFF_AVAIL) {
card->options.sniffer = i;
if (card->qdio.init_pool.buf_count !=
@ -366,11 +390,13 @@ static ssize_t qeth_l3_dev_sniffer_store(struct device *dev,
QETH_IN_BUF_COUNT_MAX);
break;
} else
return -EPERM;
rc = -EPERM;
default: /* fall through */
return -EINVAL;
rc = -EINVAL;
}
return count;
out:
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
static DEVICE_ATTR(sniffer, 0644, qeth_l3_dev_sniffer_show,
@ -412,12 +438,11 @@ static ssize_t qeth_l3_dev_large_send_store(struct device *dev,
else
return -EINVAL;
if (card->options.large_send == type)
return count;
rc = qeth_l3_set_large_send(card, type);
if (rc)
return rc;
return count;
mutex_lock(&card->conf_mutex);
if (card->options.large_send != type)
rc = qeth_l3_set_large_send(card, type);
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
static DEVICE_ATTR(large_send, 0644, qeth_l3_dev_large_send_show,
@ -455,13 +480,17 @@ static ssize_t qeth_l3_dev_ipato_enable_store(struct device *dev,
{
struct qeth_card *card = dev_get_drvdata(dev);
char *tmp;
int rc = 0;
if (!card)
return -EINVAL;
mutex_lock(&card->conf_mutex);
if ((card->state != CARD_STATE_DOWN) &&
(card->state != CARD_STATE_RECOVER))
return -EPERM;
(card->state != CARD_STATE_RECOVER)) {
rc = -EPERM;
goto out;
}
tmp = strsep((char **) &buf, "\n");
if (!strcmp(tmp, "toggle")) {
@ -470,10 +499,11 @@ static ssize_t qeth_l3_dev_ipato_enable_store(struct device *dev,
card->ipato.enabled = 1;
} else if (!strcmp(tmp, "0")) {
card->ipato.enabled = 0;
} else {
return -EINVAL;
}
return count;
} else
rc = -EINVAL;
out:
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
static QETH_DEVICE_ATTR(ipato_enable, enable, 0644,
@ -497,10 +527,12 @@ static ssize_t qeth_l3_dev_ipato_invert4_store(struct device *dev,
{
struct qeth_card *card = dev_get_drvdata(dev);
char *tmp;
int rc = 0;
if (!card)
return -EINVAL;
mutex_lock(&card->conf_mutex);
tmp = strsep((char **) &buf, "\n");
if (!strcmp(tmp, "toggle")) {
card->ipato.invert4 = (card->ipato.invert4)? 0 : 1;
@ -508,10 +540,10 @@ static ssize_t qeth_l3_dev_ipato_invert4_store(struct device *dev,
card->ipato.invert4 = 1;
} else if (!strcmp(tmp, "0")) {
card->ipato.invert4 = 0;
} else {
return -EINVAL;
}
return count;
} else
rc = -EINVAL;
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
static QETH_DEVICE_ATTR(ipato_invert4, invert4, 0644,
@ -593,27 +625,28 @@ static ssize_t qeth_l3_dev_ipato_add_store(const char *buf, size_t count,
struct qeth_ipato_entry *ipatoe;
u8 addr[16];
int mask_bits;
int rc;
int rc = 0;
mutex_lock(&card->conf_mutex);
rc = qeth_l3_parse_ipatoe(buf, proto, addr, &mask_bits);
if (rc)
return rc;
goto out;
ipatoe = kzalloc(sizeof(struct qeth_ipato_entry), GFP_KERNEL);
if (!ipatoe) {
return -ENOMEM;
rc = -ENOMEM;
goto out;
}
ipatoe->proto = proto;
memcpy(ipatoe->addr, addr, (proto == QETH_PROT_IPV4)? 4:16);
ipatoe->mask_bits = mask_bits;
rc = qeth_l3_add_ipato_entry(card, ipatoe);
if (rc) {
if (rc)
kfree(ipatoe);
return rc;
}
return count;
out:
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
static ssize_t qeth_l3_dev_ipato_add4_store(struct device *dev,
@ -636,15 +669,14 @@ static ssize_t qeth_l3_dev_ipato_del_store(const char *buf, size_t count,
{
u8 addr[16];
int mask_bits;
int rc;
int rc = 0;
mutex_lock(&card->conf_mutex);
rc = qeth_l3_parse_ipatoe(buf, proto, addr, &mask_bits);
if (rc)
return rc;
qeth_l3_del_ipato_entry(card, proto, addr, mask_bits);
return count;
if (!rc)
qeth_l3_del_ipato_entry(card, proto, addr, mask_bits);
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
static ssize_t qeth_l3_dev_ipato_del4_store(struct device *dev,
@ -677,10 +709,12 @@ static ssize_t qeth_l3_dev_ipato_invert6_store(struct device *dev,
{
struct qeth_card *card = dev_get_drvdata(dev);
char *tmp;
int rc = 0;
if (!card)
return -EINVAL;
mutex_lock(&card->conf_mutex);
tmp = strsep((char **) &buf, "\n");
if (!strcmp(tmp, "toggle")) {
card->ipato.invert6 = (card->ipato.invert6)? 0 : 1;
@ -688,10 +722,10 @@ static ssize_t qeth_l3_dev_ipato_invert6_store(struct device *dev,
card->ipato.invert6 = 1;
} else if (!strcmp(tmp, "0")) {
card->ipato.invert6 = 0;
} else {
return -EINVAL;
}
return count;
} else
rc = -EINVAL;
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
static QETH_DEVICE_ATTR(ipato_invert6, invert6, 0644,
@ -813,15 +847,12 @@ static ssize_t qeth_l3_dev_vipa_add_store(const char *buf, size_t count,
u8 addr[16] = {0, };
int rc;
mutex_lock(&card->conf_mutex);
rc = qeth_l3_parse_vipae(buf, proto, addr);
if (rc)
return rc;
rc = qeth_l3_add_vipa(card, proto, addr);
if (rc)
return rc;
return count;
if (!rc)
rc = qeth_l3_add_vipa(card, proto, addr);
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
static ssize_t qeth_l3_dev_vipa_add4_store(struct device *dev,
@ -845,13 +876,12 @@ static ssize_t qeth_l3_dev_vipa_del_store(const char *buf, size_t count,
u8 addr[16];
int rc;
mutex_lock(&card->conf_mutex);
rc = qeth_l3_parse_vipae(buf, proto, addr);
if (rc)
return rc;
qeth_l3_del_vipa(card, proto, addr);
return count;
if (!rc)
qeth_l3_del_vipa(card, proto, addr);
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
static ssize_t qeth_l3_dev_vipa_del4_store(struct device *dev,
@ -979,15 +1009,12 @@ static ssize_t qeth_l3_dev_rxip_add_store(const char *buf, size_t count,
u8 addr[16] = {0, };
int rc;
mutex_lock(&card->conf_mutex);
rc = qeth_l3_parse_rxipe(buf, proto, addr);
if (rc)
return rc;
rc = qeth_l3_add_rxip(card, proto, addr);
if (rc)
return rc;
return count;
if (!rc)
rc = qeth_l3_add_rxip(card, proto, addr);
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
static ssize_t qeth_l3_dev_rxip_add4_store(struct device *dev,
@ -1011,13 +1038,12 @@ static ssize_t qeth_l3_dev_rxip_del_store(const char *buf, size_t count,
u8 addr[16];
int rc;
mutex_lock(&card->conf_mutex);
rc = qeth_l3_parse_rxipe(buf, proto, addr);
if (rc)
return rc;
qeth_l3_del_rxip(card, proto, addr);
return count;
if (!rc)
qeth_l3_del_rxip(card, proto, addr);
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
static ssize_t qeth_l3_dev_rxip_del4_store(struct device *dev,