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-rw-r--r--drivers/s390/block/dasd.c51
-rw-r--r--drivers/s390/block/dasd_devmap.c30
-rw-r--r--drivers/s390/block/dasd_diag.c2
-rw-r--r--drivers/s390/block/dasd_eckd.c5
-rw-r--r--drivers/s390/block/dasd_genhd.c2
-rw-r--r--drivers/s390/block/dasd_int.h3
-rw-r--r--drivers/s390/block/dasd_ioctl.c128
-rw-r--r--drivers/s390/char/sclp_cmd.c2
-rw-r--r--drivers/s390/char/tape_block.c1
-rw-r--r--drivers/s390/cio/qdio_main.c17
-rw-r--r--drivers/s390/kvm/kvm_virtio.c2
-rw-r--r--drivers/s390/net/claw.c22
-rw-r--r--drivers/s390/net/ctcm_main.c2
-rw-r--r--drivers/s390/net/ctcm_mpc.c13
-rw-r--r--drivers/s390/net/lcs.c10
-rw-r--r--drivers/s390/net/netiucv.c2
-rw-r--r--drivers/s390/net/qeth_core.h26
-rw-r--r--drivers/s390/net/qeth_core_main.c150
-rw-r--r--drivers/s390/net/qeth_core_mpc.h17
-rw-r--r--drivers/s390/net/qeth_core_sys.c61
-rw-r--r--drivers/s390/net/qeth_l2_main.c21
-rw-r--r--drivers/s390/net/qeth_l3.h2
-rw-r--r--drivers/s390/net/qeth_l3_main.c261
-rw-r--r--drivers/s390/net/qeth_l3_sys.c103
24 files changed, 513 insertions, 420 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 4d2df2f76ea..86b6f1cc1b1 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -1742,11 +1742,20 @@ int dasd_sleep_on_interruptible(struct dasd_ccw_req *cqr)
static inline int _dasd_term_running_cqr(struct dasd_device *device)
{
struct dasd_ccw_req *cqr;
+ int rc;
if (list_empty(&device->ccw_queue))
return 0;
cqr = list_entry(device->ccw_queue.next, struct dasd_ccw_req, devlist);
- return device->discipline->term_IO(cqr);
+ rc = device->discipline->term_IO(cqr);
+ if (!rc)
+ /*
+ * CQR terminated because a more important request is pending.
+ * Undo decreasing of retry counter because this is
+ * not an error case.
+ */
+ cqr->retries++;
+ return rc;
}
int dasd_sleep_on_immediatly(struct dasd_ccw_req *cqr)
@@ -2314,15 +2323,14 @@ static void dasd_flush_request_queue(struct dasd_block *block)
static int dasd_open(struct block_device *bdev, fmode_t mode)
{
- struct dasd_block *block = bdev->bd_disk->private_data;
struct dasd_device *base;
int rc;
- if (!block)
+ base = dasd_device_from_gendisk(bdev->bd_disk);
+ if (!base)
return -ENODEV;
- base = block->base;
- atomic_inc(&block->open_count);
+ atomic_inc(&base->block->open_count);
if (test_bit(DASD_FLAG_OFFLINE, &base->flags)) {
rc = -ENODEV;
goto unlock;
@@ -2355,21 +2363,28 @@ static int dasd_open(struct block_device *bdev, fmode_t mode)
goto out;
}
+ dasd_put_device(base);
return 0;
out:
module_put(base->discipline->owner);
unlock:
- atomic_dec(&block->open_count);
+ atomic_dec(&base->block->open_count);
+ dasd_put_device(base);
return rc;
}
static int dasd_release(struct gendisk *disk, fmode_t mode)
{
- struct dasd_block *block = disk->private_data;
+ struct dasd_device *base;
- atomic_dec(&block->open_count);
- module_put(block->base->discipline->owner);
+ base = dasd_device_from_gendisk(disk);
+ if (!base)
+ return -ENODEV;
+
+ atomic_dec(&base->block->open_count);
+ module_put(base->discipline->owner);
+ dasd_put_device(base);
return 0;
}
@@ -2378,20 +2393,20 @@ static int dasd_release(struct gendisk *disk, fmode_t mode)
*/
static int dasd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
{
- struct dasd_block *block;
struct dasd_device *base;
- block = bdev->bd_disk->private_data;
- if (!block)
+ base = dasd_device_from_gendisk(bdev->bd_disk);
+ if (!base)
return -ENODEV;
- base = block->base;
if (!base->discipline ||
- !base->discipline->fill_geometry)
+ !base->discipline->fill_geometry) {
+ dasd_put_device(base);
return -EINVAL;
-
- base->discipline->fill_geometry(block, geo);
- geo->start = get_start_sect(bdev) >> block->s2b_shift;
+ }
+ base->discipline->fill_geometry(base->block, geo);
+ geo->start = get_start_sect(bdev) >> base->block->s2b_shift;
+ dasd_put_device(base);
return 0;
}
@@ -2528,7 +2543,6 @@ void dasd_generic_remove(struct ccw_device *cdev)
dasd_set_target_state(device, DASD_STATE_NEW);
/* dasd_delete_device destroys the device reference. */
block = device->block;
- device->block = NULL;
dasd_delete_device(device);
/*
* life cycle of block is bound to device, so delete it after
@@ -2650,7 +2664,6 @@ int dasd_generic_set_offline(struct ccw_device *cdev)
dasd_set_target_state(device, DASD_STATE_NEW);
/* dasd_delete_device destroys the device reference. */
block = device->block;
- device->block = NULL;
dasd_delete_device(device);
/*
* life cycle of block is bound to device, so delete it after
diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c
index 42e1bf35f68..d71511c7850 100644
--- a/drivers/s390/block/dasd_devmap.c
+++ b/drivers/s390/block/dasd_devmap.c
@@ -674,6 +674,36 @@ dasd_device_from_cdev(struct ccw_device *cdev)
return device;
}
+void dasd_add_link_to_gendisk(struct gendisk *gdp, struct dasd_device *device)
+{
+ struct dasd_devmap *devmap;
+
+ devmap = dasd_find_busid(dev_name(&device->cdev->dev));
+ if (IS_ERR(devmap))
+ return;
+ spin_lock(&dasd_devmap_lock);
+ gdp->private_data = devmap;
+ spin_unlock(&dasd_devmap_lock);
+}
+
+struct dasd_device *dasd_device_from_gendisk(struct gendisk *gdp)
+{
+ struct dasd_device *device;
+ struct dasd_devmap *devmap;
+
+ if (!gdp->private_data)
+ return NULL;
+ device = NULL;
+ spin_lock(&dasd_devmap_lock);
+ devmap = gdp->private_data;
+ if (devmap && devmap->device) {
+ device = devmap->device;
+ dasd_get_device(device);
+ }
+ spin_unlock(&dasd_devmap_lock);
+ return device;
+}
+
/*
* SECTION: files in sysfs
*/
diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c
index 29143eda9dd..85dddb1e412 100644
--- a/drivers/s390/block/dasd_diag.c
+++ b/drivers/s390/block/dasd_diag.c
@@ -239,7 +239,6 @@ static void dasd_ext_handler(unsigned int ext_int_code,
addr_t ip;
int rc;
- kstat_cpu(smp_processor_id()).irqs[EXTINT_DSD]++;
switch (ext_int_code >> 24) {
case DASD_DIAG_CODE_31BIT:
ip = (addr_t) param32;
@@ -250,6 +249,7 @@ static void dasd_ext_handler(unsigned int ext_int_code,
default:
return;
}
+ kstat_cpu(smp_processor_id()).irqs[EXTINT_DSD]++;
if (!ip) { /* no intparm: unsolicited interrupt */
DBF_EVENT(DBF_NOTICE, "%s", "caught unsolicited "
"interrupt");
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index db8005d9f2f..3ebdf5f92f8 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -2037,7 +2037,7 @@ static void dasd_eckd_check_for_device_change(struct dasd_device *device,
return;
/* summary unit check */
- if ((sense[7] == 0x0D) &&
+ if ((sense[27] & DASD_SENSE_BIT_0) && (sense[7] == 0x0D) &&
(scsw_dstat(&irb->scsw) & DEV_STAT_UNIT_CHECK)) {
dasd_alias_handle_summary_unit_check(device, irb);
return;
@@ -2053,7 +2053,8 @@ static void dasd_eckd_check_for_device_change(struct dasd_device *device,
/* loss of device reservation is handled via base devices only
* as alias devices may be used with several bases
*/
- if (device->block && (sense[7] == 0x3F) &&
+ if (device->block && (sense[27] & DASD_SENSE_BIT_0) &&
+ (sense[7] == 0x3F) &&
(scsw_dstat(&irb->scsw) & DEV_STAT_UNIT_CHECK) &&
test_bit(DASD_FLAG_IS_RESERVED, &device->flags)) {
if (device->features & DASD_FEATURE_FAILONSLCK)
diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c
index 5505bc07e1e..19a1ff03d65 100644
--- a/drivers/s390/block/dasd_genhd.c
+++ b/drivers/s390/block/dasd_genhd.c
@@ -73,7 +73,7 @@ int dasd_gendisk_alloc(struct dasd_block *block)
if (base->features & DASD_FEATURE_READONLY ||
test_bit(DASD_FLAG_DEVICE_RO, &base->flags))
set_disk_ro(gdp, 1);
- gdp->private_data = block;
+ dasd_add_link_to_gendisk(gdp, base);
gdp->queue = block->request_queue;
block->gdp = gdp;
set_capacity(block->gdp, 0);
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index df9f6999411..d1e4f2c1264 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -686,6 +686,9 @@ struct dasd_device *dasd_device_from_cdev(struct ccw_device *);
struct dasd_device *dasd_device_from_cdev_locked(struct ccw_device *);
struct dasd_device *dasd_device_from_devindex(int);
+void dasd_add_link_to_gendisk(struct gendisk *, struct dasd_device *);
+struct dasd_device *dasd_device_from_gendisk(struct gendisk *);
+
int dasd_parse(void);
int dasd_busid_known(const char *);
diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index 26075e95b1b..72261e4c516 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -42,16 +42,22 @@ dasd_ioctl_api_version(void __user *argp)
static int
dasd_ioctl_enable(struct block_device *bdev)
{
- struct dasd_block *block = bdev->bd_disk->private_data;
+ struct dasd_device *base;
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
- dasd_enable_device(block->base);
+ base = dasd_device_from_gendisk(bdev->bd_disk);
+ if (!base)
+ return -ENODEV;
+
+ dasd_enable_device(base);
/* Formatting the dasd device can change the capacity. */
mutex_lock(&bdev->bd_mutex);
- i_size_write(bdev->bd_inode, (loff_t)get_capacity(block->gdp) << 9);
+ i_size_write(bdev->bd_inode,
+ (loff_t)get_capacity(base->block->gdp) << 9);
mutex_unlock(&bdev->bd_mutex);
+ dasd_put_device(base);
return 0;
}
@@ -62,11 +68,14 @@ dasd_ioctl_enable(struct block_device *bdev)
static int
dasd_ioctl_disable(struct block_device *bdev)
{
- struct dasd_block *block = bdev->bd_disk->private_data;
+ struct dasd_device *base;
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
+ base = dasd_device_from_gendisk(bdev->bd_disk);
+ if (!base)
+ return -ENODEV;
/*
* Man this is sick. We don't do a real disable but only downgrade
* the device to DASD_STATE_BASIC. The reason is that dasdfmt uses
@@ -75,7 +84,7 @@ dasd_ioctl_disable(struct block_device *bdev)
* using the BIODASDFMT ioctl. Therefore the correct state for the
* device is DASD_STATE_BASIC that allows to do basic i/o.
*/
- dasd_set_target_state(block->base, DASD_STATE_BASIC);
+ dasd_set_target_state(base, DASD_STATE_BASIC);
/*
* Set i_size to zero, since read, write, etc. check against this
* value.
@@ -83,6 +92,7 @@ dasd_ioctl_disable(struct block_device *bdev)
mutex_lock(&bdev->bd_mutex);
i_size_write(bdev->bd_inode, 0);
mutex_unlock(&bdev->bd_mutex);
+ dasd_put_device(base);
return 0;
}
@@ -191,26 +201,36 @@ static int dasd_format(struct dasd_block *block, struct format_data_t *fdata)
static int
dasd_ioctl_format(struct block_device *bdev, void __user *argp)
{
- struct dasd_block *block = bdev->bd_disk->private_data;
+ struct dasd_device *base;
struct format_data_t fdata;
+ int rc;
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
if (!argp)
return -EINVAL;
-
- if (block->base->features & DASD_FEATURE_READONLY ||
- test_bit(DASD_FLAG_DEVICE_RO, &block->base->flags))
+ base = dasd_device_from_gendisk(bdev->bd_disk);
+ if (!base)
+ return -ENODEV;
+ if (base->features & DASD_FEATURE_READONLY ||
+ test_bit(DASD_FLAG_DEVICE_RO, &base->flags)) {
+ dasd_put_device(base);
return -EROFS;
- if (copy_from_user(&fdata, argp, sizeof(struct format_data_t)))
+ }
+ if (copy_from_user(&fdata, argp, sizeof(struct format_data_t))) {
+ dasd_put_device(base);
return -EFAULT;
+ }
if (bdev != bdev->bd_contains) {
pr_warning("%s: The specified DASD is a partition and cannot "
"be formatted\n",
- dev_name(&block->base->cdev->dev));
+ dev_name(&base->cdev->dev));
+ dasd_put_device(base);
return -EINVAL;
}
- return dasd_format(block, &fdata);
+ rc = dasd_format(base->block, &fdata);
+ dasd_put_device(base);
+ return rc;
}
#ifdef CONFIG_DASD_PROFILE
@@ -340,8 +360,8 @@ static int dasd_ioctl_information(struct dasd_block *block,
static int
dasd_ioctl_set_ro(struct block_device *bdev, void __user *argp)
{
- struct dasd_block *block = bdev->bd_disk->private_data;
- int intval;
+ struct dasd_device *base;
+ int intval, rc;
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
@@ -350,10 +370,17 @@ dasd_ioctl_set_ro(struct block_device *bdev, void __user *argp)
return -EINVAL;
if (get_user(intval, (int __user *)argp))
return -EFAULT;
- if (!intval && test_bit(DASD_FLAG_DEVICE_RO, &block->base->flags))
+ base = dasd_device_from_gendisk(bdev->bd_disk);
+ if (!base)
+ return -ENODEV;
+ if (!intval && test_bit(DASD_FLAG_DEVICE_RO, &base->flags)) {
+ dasd_put_device(base);
return -EROFS;
+ }
set_disk_ro(bdev->bd_disk, intval);
- return dasd_set_feature(block->base->cdev, DASD_FEATURE_READONLY, intval);
+ rc = dasd_set_feature(base->cdev, DASD_FEATURE_READONLY, intval);
+ dasd_put_device(base);
+ return rc;
}
static int dasd_ioctl_readall_cmb(struct dasd_block *block, unsigned int cmd,
@@ -372,59 +399,78 @@ static int dasd_ioctl_readall_cmb(struct dasd_block *block, unsigned int cmd,
int dasd_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg)
{
- struct dasd_block *block = bdev->bd_disk->private_data;
+ struct dasd_block *block;
+ struct dasd_device *base;
void __user *argp;
+ int rc;
if (is_compat_task())
argp = compat_ptr(arg);
else
argp = (void __user *)arg;
- if (!block)
- return -ENODEV;
-
if ((_IOC_DIR(cmd) != _IOC_NONE) && !arg) {
PRINT_DEBUG("empty data ptr");
return -EINVAL;
}
+ base = dasd_device_from_gendisk(bdev->bd_disk);
+ if (!base)
+ return -ENODEV;
+ block = base->block;
+ rc = 0;
switch (cmd) {
case BIODASDDISABLE:
- return dasd_ioctl_disable(bdev);
+ rc = dasd_ioctl_disable(bdev);
+ break;
case BIODASDENABLE:
- return dasd_ioctl_enable(bdev);
+ rc = dasd_ioctl_enable(bdev);
+ break;
case BIODASDQUIESCE:
- return dasd_ioctl_quiesce(block);
+ rc = dasd_ioctl_quiesce(block);
+ break;
case BIODASDRESUME:
- return dasd_ioctl_resume(block);
+ rc = dasd_ioctl_resume(block);
+ break;
case BIODASDFMT:
- return dasd_ioctl_format(bdev, argp);
+ rc = dasd_ioctl_format(bdev, argp);
+ break;
case BIODASDINFO:
- return dasd_ioctl_information(block, cmd, argp);
+ rc = dasd_ioctl_information(block, cmd, argp);
+ break;
case BIODASDINFO2:
- return dasd_ioctl_information(block, cmd, argp);
+ rc = dasd_ioctl_information(block, cmd, argp);
+ break;
case BIODASDPRRD:
- return dasd_ioctl_read_profile(block, argp);
+ rc = dasd_ioctl_read_profile(block, argp);
+ break;
case BIODASDPRRST:
- return dasd_ioctl_reset_profile(block);
+ rc = dasd_ioctl_reset_profile(block);
+ break;
case BLKROSET:
- return dasd_ioctl_set_ro(bdev, argp);
+ rc = dasd_ioctl_set_ro(bdev, argp);
+ break;
case DASDAPIVER:
- return dasd_ioctl_api_version(argp);
+ rc = dasd_ioctl_api_version(argp);
+ break;
case BIODASDCMFENABLE:
- return enable_cmf(block->base->cdev);
+ rc = enable_cmf(base->cdev);
+ break;
case BIODASDCMFDISABLE:
- return disable_cmf(block->base->cdev);
+ rc = disable_cmf(base->cdev);
+ break;
case BIODASDREADALLCMB:
- return dasd_ioctl_readall_cmb(block, cmd, argp);
+ rc = dasd_ioctl_readall_cmb(block, cmd, argp);
+ break;
default:
/* if the discipline has an ioctl method try it. */
- if (block->base->discipline->ioctl) {
- int rval = block->base->discipline->ioctl(block, cmd, argp);
- if (rval != -ENOIOCTLCMD)
- return rval;
- }
-
- return -EINVAL;
+ if (base->discipline->ioctl) {
+ rc = base->discipline->ioctl(block, cmd, argp);
+ if (rc == -ENOIOCTLCMD)
+ rc = -EINVAL;
+ } else
+ rc = -EINVAL;
}
+ dasd_put_device(base);
+ return rc;
}
diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c
index 4b60ede07f0..be55fb2b1b1 100644
--- a/drivers/s390/char/sclp_cmd.c
+++ b/drivers/s390/char/sclp_cmd.c
@@ -518,6 +518,8 @@ static void __init insert_increment(u16 rn, int standby, int assigned)
return;
new_incr->rn = rn;
new_incr->standby = standby;
+ if (!standby)
+ new_incr->usecount = 1;
last_rn = 0;
prev = &sclp_mem_list;
list_for_each_entry(incr, &sclp_mem_list, list) {
diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c
index 83cea9a55e2..1b3924c2fff 100644
--- a/drivers/s390/char/tape_block.c
+++ b/drivers/s390/char/tape_block.c
@@ -236,7 +236,6 @@ tapeblock_setup_device(struct tape_device * device)
disk->major = tapeblock_major;
disk->first_minor = device->first_minor;
disk->fops = &tapeblock_fops;
- disk->events = DISK_EVENT_MEDIA_CHANGE;
disk->private_data = tape_get_device(device);
disk->queue = blkdat->request_queue;
set_capacity(disk, 0);
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index c532ba929cc..e8f267eb888 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -407,8 +407,11 @@ static inline void account_sbals(struct qdio_q *q, int count)
q->q_stats.nr_sbals[pos]++;
}
-static void announce_buffer_error(struct qdio_q *q, int count)
+static void process_buffer_error(struct qdio_q *q, int count)
{
+ unsigned char state = (q->is_input_q) ? SLSB_P_INPUT_NOT_INIT :
+ SLSB_P_OUTPUT_NOT_INIT;
+
q->qdio_error |= QDIO_ERROR_SLSB_STATE;
/* special handling for no target buffer empty */
@@ -426,6 +429,12 @@ static void announce_buffer_error(struct qdio_q *q, int count)
DBF_ERROR("F14:%2x F15:%2x",
q->sbal[q->first_to_check]->element[14].flags & 0xff,
q->sbal[q->first_to_check]->element[15].flags & 0xff);
+
+ /*
+ * Interrupts may be avoided as long as the error is present
+ * so change the buffer state immediately to avoid starvation.
+ */
+ set_buf_states(q, q->first_to_check, state, count);
}
static inline void inbound_primed(struct qdio_q *q, int count)
@@ -506,8 +515,7 @@ static int get_inbound_buffer_frontier(struct qdio_q *q)
account_sbals(q, count);
break;
case SLSB_P_INPUT_ERROR:
- announce_buffer_error(q, count);
- /* process the buffer, the upper layer will take care of it */
+ process_buffer_error(q, count);
q->first_to_check = add_buf(q->first_to_check, count);
atomic_sub(count, &q->nr_buf_used);
if (q->irq_ptr->perf_stat_enabled)
@@ -677,8 +685,7 @@ static int get_outbound_buffer_frontier(struct qdio_q *q)
account_sbals(q, count);
break;
case SLSB_P_OUTPUT_ERROR:
- announce_buffer_error(q, count);
- /* process the buffer, the upper layer will take care of it */
+ process_buffer_error(q, count);
q->first_to_check = add_buf(q->first_to_check, count);
atomic_sub(count, &q->nr_buf_used);
if (q->irq_ptr->perf_stat_enabled)
diff --git a/drivers/s390/kvm/kvm_virtio.c b/drivers/s390/kvm/kvm_virtio.c
index 414427d64a8..607998f0b7d 100644
--- a/drivers/s390/kvm/kvm_virtio.c
+++ b/drivers/s390/kvm/kvm_virtio.c
@@ -381,10 +381,10 @@ static void kvm_extint_handler(unsigned int ext_int_code,
u16 subcode;
u32 param;
- kstat_cpu(smp_processor_id()).irqs[EXTINT_VRT]++;
subcode = ext_int_code >> 16;
if ((subcode & 0xff00) != VIRTIO_SUBCODE_64)
return;
+ kstat_cpu(smp_processor_id()).irqs[EXTINT_VRT]++;
/* The LSB might be overloaded, we have to mask it */
vq = (struct virtqueue *)(param64 & ~1UL);
diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c
index da8aa75bb20..f1fa2483ae6 100644
--- a/drivers/s390/net/claw.c
+++ b/drivers/s390/net/claw.c
@@ -845,12 +845,10 @@ claw_irq_tasklet ( unsigned long data )
{
struct chbk * p_ch;
struct net_device *dev;
- struct claw_privbk * privptr;
p_ch = (struct chbk *) data;
dev = (struct net_device *)p_ch->ndev;
CLAW_DBF_TEXT(4, trace, "IRQtask");
- privptr = (struct claw_privbk *)dev->ml_priv;
unpack_read(dev);
clear_bit(CLAW_BH_ACTIVE, (void *)&p_ch->flag_a);
CLAW_DBF_TEXT(4, trace, "TskletXt");
@@ -1026,7 +1024,6 @@ claw_write_next ( struct chbk * p_ch )
struct net_device *dev;
struct claw_privbk *privptr=NULL;
struct sk_buff *pk_skb;
- int rc;
CLAW_DBF_TEXT(4, trace, "claw_wrt");
if (p_ch->claw_state == CLAW_STOP)
@@ -1038,7 +1035,7 @@ claw_write_next ( struct chbk * p_ch )
!skb_queue_empty(&p_ch->collect_queue)) {
pk_skb = claw_pack_skb(privptr);
while (pk_skb != NULL) {
- rc = claw_hw_tx( pk_skb, dev,1);
+ claw_hw_tx(pk_skb, dev, 1);
if (privptr->write_free_count > 0) {
pk_skb = claw_pack_skb(privptr);
} else
@@ -1322,15 +1319,12 @@ claw_hw_tx(struct sk_buff *skb, struct net_device *dev, long linkid)
unsigned char *pDataAddress;
struct endccw *pEnd;
struct ccw1 tempCCW;
- struct chbk *p_ch;
struct claw_env *p_env;
- int lock;
struct clawph *pk_head;
struct chbk *ch;
CLAW_DBF_TEXT(4, trace, "hw_tx");
privptr = (struct claw_privbk *)(dev->ml_priv);
- p_ch = (struct chbk *)&privptr->channel[WRITE_CHANNEL];
p_env =privptr->p_env;
claw_free_wrt_buf(dev); /* Clean up free chain if posible */
/* scan the write queue to free any completed write packets */
@@ -1511,12 +1505,6 @@ claw_hw_tx(struct sk_buff *skb, struct net_device *dev, long linkid)
} /* endif (p_first_ccw!=NULL) */
dev_kfree_skb_any(skb);
- if (linkid==0) {
- lock=LOCK_NO;
- }
- else {
- lock=LOCK_YES;
- }
claw_strt_out_IO(dev );
/* if write free count is zero , set NOBUFFER */
if (privptr->write_free_count==0) {
@@ -2821,15 +2809,11 @@ claw_free_wrt_buf( struct net_device *dev )
{
struct claw_privbk *privptr = (struct claw_privbk *)dev->ml_priv;
- struct ccwbk*p_first_ccw;
- struct ccwbk*p_last_ccw;
struct ccwbk*p_this_ccw;
struct ccwbk*p_next_ccw;
CLAW_DBF_TEXT(4, trace, "freewrtb");
/* scan the write queue to free any completed write packets */
- p_first_ccw=NULL;
- p_last_ccw=NULL;
p_this_ccw=privptr->p_write_active_first;
while ( (p_this_ccw!=NULL) && (p_this_ccw->header.flag!=CLAW_PENDING))
{
@@ -3072,7 +3056,7 @@ claw_shutdown_device(struct ccwgroup_device *cgdev)
{
struct claw_privbk *priv;
struct net_device *ndev;
- int ret;
+ int ret = 0;
CLAW_DBF_TEXT_(2, setup, "%s", dev_name(&cgdev->dev));
priv = dev_get_drvdata(&cgdev->dev);
@@ -3095,7 +3079,7 @@ claw_shutdown_device(struct ccwgroup_device *cgdev)
}
ccw_device_set_offline(cgdev->cdev[1]);
ccw_device_set_offline(cgdev->cdev[0]);
- return 0;
+ return ret;
}
static void
diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c
index c189296763a..426787efc49 100644
--- a/drivers/s390/net/ctcm_main.c
+++ b/drivers/s390/net/ctcm_main.c
@@ -672,7 +672,6 @@ static int ctcmpc_transmit_skb(struct channel *ch, struct sk_buff *skb)
int ccw_idx;
unsigned long hi;
unsigned long saveflags = 0; /* avoids compiler warning */
- __u16 block_len;
CTCM_PR_DEBUG("Enter %s: %s, cp=%i ch=0x%p id=%s state=%s\n",
__func__, dev->name, smp_processor_id(), ch,
@@ -719,7 +718,6 @@ static int ctcmpc_transmit_skb(struct channel *ch, struct sk_buff *skb)
*/
atomic_inc(&skb->users);
- block_len = skb->len + TH_HEADER_LENGTH + PDU_HEADER_LENGTH;
/*
* IDAL support in CTCM is broken, so we have to
* care about skb's above 2G ourselves.
diff --git a/drivers/s390/net/ctcm_mpc.c b/drivers/s390/net/ctcm_mpc.c
index b64881f33f2..da4c747335e 100644
--- a/drivers/s390/net/ctcm_mpc.c
+++ b/drivers/s390/net/ctcm_mpc.c
@@ -653,7 +653,6 @@ static void ctcmpc_send_sweep_resp(struct channel *rch)
struct net_device *dev = rch->netdev;
struct ctcm_priv *priv = dev->ml_priv;
struct mpc_group *grp = priv->mpcg;
- int rc = 0;
struct th_sweep *header;
struct sk_buff *sweep_skb;
struct channel *ch = priv->channel[CTCM_WRITE];
@@ -665,16 +664,14 @@ static void ctcmpc_send_sweep_resp(struct channel *rch)
CTCM_DBF_TEXT_(MPC_ERROR, CTC_DBF_ERROR,
"%s(%s): sweep_skb allocation ERROR\n",
CTCM_FUNTAIL, rch->id);
- rc = -ENOMEM;
- goto done;
+ goto done;
}
header = kmalloc(sizeof(struct th_sweep), gfp_type());
if (!header) {
dev_kfree_skb_any(sweep_skb);
- rc = -ENOMEM;
- goto done;
+ goto done;
}
header->th.th_seg = 0x00 ;
@@ -1370,8 +1367,7 @@ static void mpc_action_go_inop(fsm_instance *fi, int event, void *arg)
struct net_device *dev = arg;
struct ctcm_priv *priv;
struct mpc_group *grp;
- int rc = 0;
- struct channel *wch, *rch;
+ struct channel *wch;
BUG_ON(dev == NULL);
CTCM_PR_DEBUG("Enter %s: %s\n", __func__, dev->name);
@@ -1396,7 +1392,6 @@ static void mpc_action_go_inop(fsm_instance *fi, int event, void *arg)
fsm_deltimer(&priv->restart_timer);
wch = priv->channel[CTCM_WRITE];
- rch = priv->channel[CTCM_READ];
switch (grp->saved_state) {
case MPCG_STATE_RESET:
@@ -1435,7 +1430,7 @@ static void mpc_action_go_inop(fsm_instance *fi, int event, void *arg)
if (grp->send_qllc_disc == 1) {
grp->send_qllc_disc = 0;
- rc = mpc_send_qllc_discontact(dev);
+ mpc_send_qllc_discontact(dev);
}
/* DO NOT issue DEV_EVENT_STOP directly out of this code */
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index 49d1cfc3217..c3b8064a102 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -1483,7 +1483,6 @@ lcs_tasklet(unsigned long data)
struct lcs_channel *channel;
struct lcs_buffer *iob;
int buf_idx;
- int rc;
channel = (struct lcs_channel *) data;
LCS_DBF_TEXT_(5, trace, "tlet%s", dev_name(&channel->ccwdev->dev));
@@ -1500,14 +1499,11 @@ lcs_tasklet(unsigned long data)
channel->buf_idx = buf_idx;
if (channel->state == LCS_CH_STATE_STOPPED)
- // FIXME: what if rc != 0 ??
- rc = lcs_start_channel(channel);
+ lcs_start_channel(channel);
spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
if (channel->state == LCS_CH_STATE_SUSPENDED &&
- channel->iob[channel->io_idx].state == LCS_BUF_STATE_READY) {
- // FIXME: what if rc != 0 ??
- rc = __lcs_resume_channel(channel);
- }
+ channel->iob[channel->io_idx].state == LCS_BUF_STATE_READY)
+ __lcs_resume_channel(channel);
spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
/* Something happened on the channel. Wake up waiters. */
diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c
index b6a6356d09b..3251333a23d 100644
--- a/drivers/s390/net/netiucv.c
+++ b/drivers/s390/net/netiucv.c
@@ -1994,8 +1994,6 @@ static struct net_device *netiucv_init_netdevice(char *username)
netiucv_setup_netdevice);
if (!dev)
return NULL;
- if (dev_alloc_name(dev, dev->name) < 0)
- goto out_netdev;
privptr = netdev_priv(dev);
privptr->fsm = init_fsm("netiucvdev", dev_state_names,
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index af3f7b09564..55c6aa1c970 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -407,12 +407,6 @@ struct qeth_qdio_q {
int next_buf_to_init;
} __attribute__ ((aligned(256)));
-/* possible types of qeth large_send support */
-enum qeth_large_send_types {
- QETH_LARGE_SEND_NO,
- QETH_LARGE_SEND_TSO,
-};
-
struct qeth_qdio_out_buffer {
struct qdio_buffer *buffer;
atomic_t state;
@@ -637,6 +631,8 @@ struct qeth_card_info {
__u32 csum_mask;
__u32 tx_csum_mask;
enum qeth_ipa_promisc_modes promisc_mode;
+ __u32 diagass_support;
+ __u32 hwtrap;
};
struct qeth_card_options {
@@ -645,13 +641,11 @@ struct qeth_card_options {
struct qeth_ipa_info adp; /*Adapter parameters*/
struct qeth_routing_info route6;
struct qeth_ipa_info ipa6;
- enum qeth_checksum_types checksum_type;
int broadcast_mode;
int macaddr_mode;
int fake_broadcast;
int add_hhlen;
int layer2;
- enum qeth_large_send_types large_send;
int performance_stats;
int rx_sg_cb;
enum qeth_ipa_isolation_modes isolation;
@@ -760,6 +754,14 @@ struct qeth_card_list_struct {
rwlock_t rwlock;
};
+struct qeth_trap_id {
+ __u16 lparnr;
+ char vmname[8];
+ __u8 chpid;
+ __u8 ssid;
+ __u16 devno;
+} __packed;
+
/*some helper functions*/
#define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
@@ -794,6 +796,12 @@ static inline void qeth_put_buffer_pool_entry(struct qeth_card *card,
list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
}
+static inline int qeth_is_diagass_supported(struct qeth_card *card,
+ enum qeth_diags_cmds cmd)
+{
+ return card->info.diagass_support & (__u32)cmd;
+}
+
extern struct ccwgroup_driver qeth_l2_ccwgroup_driver;
extern struct ccwgroup_driver qeth_l3_ccwgroup_driver;
const char *qeth_get_cardname_short(struct qeth_card *);
@@ -879,6 +887,8 @@ 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_hdr_chk_and_bounce(struct sk_buff *, int);
+int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action);
+int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot);
/* 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 85cc53117ea..503678a3098 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -24,6 +24,7 @@
#include <asm/ebcdic.h>
#include <asm/io.h>
+#include <asm/sysinfo.h>
#include "qeth_core.h"
@@ -349,6 +350,8 @@ static struct qeth_ipa_cmd *qeth_check_ipa_data(struct qeth_card *card,
card->info.chpid);
netif_carrier_on(card->dev);
card->lan_online = 1;
+ if (card->info.hwtrap)
+ card->info.hwtrap = 2;
qeth_schedule_recovery(card);
return NULL;
case IPA_CMD_MODCCID:
@@ -1039,7 +1042,6 @@ static void qeth_set_intial_options(struct qeth_card *card)
{
card->options.route4.type = NO_ROUTER;
card->options.route6.type = NO_ROUTER;
- card->options.checksum_type = QETH_CHECKSUM_DEFAULT;
card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS;
card->options.macaddr_mode = QETH_TR_MACADDR_NONCANONICAL;
card->options.fake_broadcast = 0;
@@ -2574,6 +2576,142 @@ int qeth_query_setadapterparms(struct qeth_card *card)
}
EXPORT_SYMBOL_GPL(qeth_query_setadapterparms);
+static int qeth_query_ipassists_cb(struct qeth_card *card,
+ struct qeth_reply *reply, unsigned long data)
+{
+ struct qeth_ipa_cmd *cmd;
+
+ QETH_DBF_TEXT(SETUP, 2, "qipasscb");
+
+ cmd = (struct qeth_ipa_cmd *) data;
+ if (cmd->hdr.prot_version == QETH_PROT_IPV4) {
+ card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported;
+ card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
+ } else {
+ card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported;
+ card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
+ }
+ QETH_DBF_TEXT(SETUP, 2, "suppenbl");
+ QETH_DBF_TEXT_(SETUP, 2, "%x", cmd->hdr.ipa_supported);
+ QETH_DBF_TEXT_(SETUP, 2, "%x", cmd->hdr.ipa_enabled);
+ return 0;
+}
+
+int qeth_query_ipassists(struct qeth_card *card, enum qeth_prot_versions prot)
+{
+ int rc;
+ struct qeth_cmd_buffer *iob;
+
+ QETH_DBF_TEXT_(SETUP, 2, "qipassi%i", prot);
+ iob = qeth_get_ipacmd_buffer(card, IPA_CMD_QIPASSIST, prot);
+ rc = qeth_send_ipa_cmd(card, iob, qeth_query_ipassists_cb, NULL);
+ return rc;
+}
+EXPORT_SYMBOL_GPL(qeth_query_ipassists);
+
+static int qeth_query_setdiagass_cb(struct qeth_card *card,
+ struct qeth_reply *reply, unsigned long data)
+{
+ struct qeth_ipa_cmd *cmd;
+ __u16 rc;
+
+ cmd = (struct qeth_ipa_cmd *)data;
+ rc = cmd->hdr.return_code;
+ if (rc)
+ QETH_CARD_TEXT_(card, 2, "diagq:%x", rc);
+ else
+ card->info.diagass_support = cmd->data.diagass.ext;
+ return 0;
+}
+
+static int qeth_query_setdiagass(struct qeth_card *card)
+{
+ struct qeth_cmd_buffer *iob;
+ struct qeth_ipa_cmd *cmd;
+
+ QETH_DBF_TEXT(SETUP, 2, "qdiagass");
+ iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SET_DIAG_ASS, 0);
+ cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
+ cmd->data.diagass.subcmd_len = 16;
+ cmd->data.diagass.subcmd = QETH_DIAGS_CMD_QUERY;
+ return qeth_send_ipa_cmd(card, iob, qeth_query_setdiagass_cb, NULL);
+}
+
+static void qeth_get_trap_id(struct qeth_card *card, struct qeth_trap_id *tid)
+{
+ unsigned long info = get_zeroed_page(GFP_KERNEL);
+ struct sysinfo_2_2_2 *info222 = (struct sysinfo_2_2_2 *)info;
+ struct sysinfo_3_2_2 *info322 = (struct sysinfo_3_2_2 *)info;
+ struct ccw_dev_id ccwid;
+ int level, rc;
+
+ tid->chpid = card->info.chpid;
+ ccw_device_get_id(CARD_RDEV(card), &ccwid);
+ tid->ssid = ccwid.ssid;
+ tid->devno = ccwid.devno;
+ if (!info)
+ return;
+
+ rc = stsi(NULL, 0, 0, 0);
+ if (rc == -ENOSYS)
+ level = rc;
+ else
+ level = (((unsigned int) rc) >> 28);
+
+ if ((level >= 2) && (stsi(info222, 2, 2, 2) != -ENOSYS))
+ tid->lparnr = info222->lpar_number;
+
+ if ((level >= 3) && (stsi(info322, 3, 2, 2) != -ENOSYS)) {
+ EBCASC(info322->vm[0].name, sizeof(info322->vm[0].name));
+ memcpy(tid->vmname, info322->vm[0].name, sizeof(tid->vmname));
+ }
+ free_page(info);
+ return;
+}
+
+static int qeth_hw_trap_cb(struct qeth_card *card,
+ struct qeth_reply *reply, unsigned long data)
+{
+ struct qeth_ipa_cmd *cmd;
+ __u16 rc;
+
+ cmd = (struct qeth_ipa_cmd *)data;
+ rc = cmd->hdr.return_code;
+ if (rc)
+ QETH_CARD_TEXT_(card, 2, "trapc:%x", rc);
+ return 0;
+}
+
+int qeth_hw_trap(struct qeth_card *card, enum qeth_diags_trap_action action)
+{
+ struct qeth_cmd_buffer *iob;
+ struct qeth_ipa_cmd *cmd;
+
+ QETH_DBF_TEXT(SETUP, 2, "diagtrap");
+ iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SET_DIAG_ASS, 0);
+ cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
+ cmd->data.diagass.subcmd_len = 80;
+ cmd->data.diagass.subcmd = QETH_DIAGS_CMD_TRAP;
+ cmd->data.diagass.type = 1;
+ cmd->data.diagass.action = action;
+ switch (action) {
+ case QETH_DIAGS_TRAP_ARM:
+ cmd->data.diagass.options = 0x0003;
+ cmd->data.diagass.ext = 0x00010000 +
+ sizeof(struct qeth_trap_id);
+ qeth_get_trap_id(card,
+ (struct qeth_trap_id *)cmd->data.diagass.cdata);
+ break;
+ case QETH_DIAGS_TRAP_DISARM:
+ cmd->data.diagass.options = 0x0001;
+ break;
+ case QETH_DIAGS_TRAP_CAPTURE:
+ break;
+ }
+ return qeth_send_ipa_cmd(card, iob, qeth_hw_trap_cb, NULL);
+}
+EXPORT_SYMBOL_GPL(qeth_hw_trap);
+
int qeth_check_qdio_errors(struct qeth_card *card, struct qdio_buffer *buf,
unsigned int qdio_error, const char *dbftext)
{
@@ -3903,6 +4041,7 @@ MODULE_DEVICE_TABLE(ccw, qeth_ids);
static struct ccw_driver qeth_ccw_driver = {
.driver = {
+ .owner = THIS_MODULE,
.name = "qeth",
},
.ids = qeth_ids,
@@ -3984,6 +4123,15 @@ retriable:
QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc);
goto out;
}
+
+ card->options.ipa4.supported_funcs = 0;
+ card->options.adp.supported_funcs = 0;
+ card->info.diagass_support = 0;
+ qeth_query_ipassists(card, QETH_PROT_IPV4);
+ if (qeth_is_supported(card, IPA_SETADAPTERPARMS))
+ qeth_query_setadapterparms(card);
+ if (qeth_adp_supported(card, IPA_SETADP_SET_DIAG_ASSIST))
+ qeth_query_setdiagass(card);
return 0;
out:
dev_warn(&card->gdev->dev, "The qeth device driver failed to recover "
diff --git a/drivers/s390/net/qeth_core_mpc.h b/drivers/s390/net/qeth_core_mpc.h
index 07d588867b5..e5a9d1c0383 100644
--- a/drivers/s390/net/qeth_core_mpc.h
+++ b/drivers/s390/net/qeth_core_mpc.h
@@ -80,14 +80,6 @@ enum qeth_tr_broadcast_modes {
QETH_TR_BROADCAST_LOCAL = 1,
};
-/* these values match CHECKSUM_* in include/linux/skbuff.h */
-enum qeth_checksum_types {
- SW_CHECKSUMMING = 0, /* TODO: set to bit flag used in IPA Command */
- HW_CHECKSUMMING = 1,
- NO_CHECKSUMMING = 2,
-};
-#define QETH_CHECKSUM_DEFAULT SW_CHECKSUMMING
-
/*
* Routing stuff
*/
@@ -456,6 +448,12 @@ enum qeth_diags_trace_cmds {
QETH_DIAGS_CMD_TRACE_QUERY = 0x0010,
};
+enum qeth_diags_trap_action {
+ QETH_DIAGS_TRAP_ARM = 0x01,
+ QETH_DIAGS_TRAP_DISARM = 0x02,
+ QETH_DIAGS_TRAP_CAPTURE = 0x04,
+};
+
struct qeth_ipacmd_diagass {
__u32 host_tod2;
__u32:32;
@@ -465,7 +463,8 @@ struct qeth_ipacmd_diagass {
__u8 type;
__u8 action;
__u16 options;
- __u32:32;
+ __u32 ext;
+ __u8 cdata[64];
} __attribute__ ((packed));
/* Header for each IPA command */
diff --git a/drivers/s390/net/qeth_core_sys.c b/drivers/s390/net/qeth_core_sys.c
index b5e967cf7e2..0a8e86c1b0e 100644
--- a/drivers/s390/net/qeth_core_sys.c
+++ b/drivers/s390/net/qeth_core_sys.c
@@ -530,6 +530,66 @@ out:
static DEVICE_ATTR(isolation, 0644, qeth_dev_isolation_show,
qeth_dev_isolation_store);
+static ssize_t qeth_hw_trap_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct qeth_card *card = dev_get_drvdata(dev);
+
+ if (!card)
+ return -EINVAL;
+ if (card->info.hwtrap)
+ return snprintf(buf, 5, "arm\n");
+ else
+ return snprintf(buf, 8, "disarm\n");
+}
+
+static ssize_t qeth_hw_trap_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev_get_drvdata(dev);
+ int rc = 0;
+ char *tmp, *curtoken;
+ int state = 0;
+ curtoken = (char *)buf;
+
+ if (!card)
+ return -EINVAL;
+
+ mutex_lock(&card->conf_mutex);
+ if (card->state == CARD_STATE_SOFTSETUP || card->state == CARD_STATE_UP)
+ state = 1;
+ tmp = strsep(&curtoken, "\n");
+
+ if (!strcmp(tmp, "arm") && !card->info.hwtrap) {
+ if (state) {
+ if (qeth_is_diagass_supported(card,
+ QETH_DIAGS_CMD_TRAP)) {
+ rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM);
+ if (!rc)
+ card->info.hwtrap = 1;
+ } else
+ rc = -EINVAL;
+ } else
+ card->info.hwtrap = 1;
+ } else if (!strcmp(tmp, "disarm") && card->info.hwtrap) {
+ if (state) {
+ rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
+ if (!rc)
+ card->info.hwtrap = 0;
+ } else
+ card->info.hwtrap = 0;
+ } else if (!strcmp(tmp, "trap") && state && card->info.hwtrap)
+ rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_CAPTURE);
+ else
+ rc = -EINVAL;
+
+ mutex_unlock(&card->conf_mutex);
+ return rc ? rc : count;
+}
+
+static DEVICE_ATTR(hw_trap, 0644, qeth_hw_trap_show,
+ qeth_hw_trap_store);
+
static ssize_t qeth_dev_blkt_show(char *buf, struct qeth_card *card, int value)
{
@@ -653,6 +713,7 @@ static struct attribute *qeth_device_attrs[] = {
&dev_attr_performance_stats.attr,
&dev_attr_layer2.attr,
&dev_attr_isolation.attr,
+ &dev_attr_hw_trap.attr,
NULL,
};
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 6fbaacb2194..b70b47fbd6c 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -420,10 +420,7 @@ static int qeth_l2_process_inbound_buffer(struct qeth_card *card,
case QETH_HEADER_TYPE_LAYER2:
skb->pkt_type = PACKET_HOST;
skb->protocol = eth_type_trans(skb, skb->dev);
- if (card->options.checksum_type == NO_CHECKSUMMING)
- skb->ip_summed = CHECKSUM_UNNECESSARY;
- else
- skb->ip_summed = CHECKSUM_NONE;
+ skb->ip_summed = CHECKSUM_NONE;
if (skb->protocol == htons(ETH_P_802_2))
*((__u32 *)skb->cb) = ++card->seqno.pkt_seqno;
len = skb->len;
@@ -879,6 +876,7 @@ static int qeth_l2_probe_device(struct ccwgroup_device *gdev)
INIT_LIST_HEAD(&card->vid_list);
INIT_LIST_HEAD(&card->mc_list);
card->options.layer2 = 1;
+ card->info.hwtrap = 0;
card->discipline.start_poll = qeth_qdio_start_poll;
card->discipline.input_handler = (qdio_handler_t *)
qeth_qdio_input_handler;
@@ -997,6 +995,13 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
if (card->info.type != QETH_CARD_TYPE_OSN)
qeth_l2_send_setmac(card, &card->dev->dev_addr[0]);
+ if (qeth_is_diagass_supported(card, QETH_DIAGS_CMD_TRAP)) {
+ if (card->info.hwtrap &&
+ qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM))
+ card->info.hwtrap = 0;
+ } else
+ card->info.hwtrap = 0;
+
card->state = CARD_STATE_HARDSETUP;
memset(&card->rx, 0, sizeof(struct qeth_rx));
qeth_print_status_message(card);
@@ -1095,6 +1100,10 @@ static int __qeth_l2_set_offline(struct ccwgroup_device *cgdev,
if (card->dev && netif_carrier_ok(card->dev))
netif_carrier_off(card->dev);
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);
rc = ccw_device_set_offline(CARD_DDEV(card));
rc2 = ccw_device_set_offline(CARD_WDEV(card));
@@ -1160,6 +1169,8 @@ static void __exit qeth_l2_exit(void)
static void qeth_l2_shutdown(struct ccwgroup_device *gdev)
{
struct qeth_card *card = dev_get_drvdata(&gdev->dev);
+ if ((gdev->state == CCWGROUP_ONLINE) && card->info.hwtrap)
+ qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
qeth_qdio_clear_card(card, 0);
qeth_clear_qdio_buffers(card);
}
@@ -1175,6 +1186,8 @@ static int qeth_l2_pm_suspend(struct ccwgroup_device *gdev)
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);
diff --git a/drivers/s390/net/qeth_l3.h b/drivers/s390/net/qeth_l3.h
index e705b27ec7d..14a43aeb0c2 100644
--- a/drivers/s390/net/qeth_l3.h
+++ b/drivers/s390/net/qeth_l3.h
@@ -62,8 +62,6 @@ void qeth_l3_del_vipa(struct qeth_card *, enum qeth_prot_versions, const u8 *);
int qeth_l3_add_rxip(struct qeth_card *, enum qeth_prot_versions, const u8 *);
void qeth_l3_del_rxip(struct qeth_card *card, enum qeth_prot_versions,
const u8 *);
-int qeth_l3_set_large_send(struct qeth_card *, enum qeth_large_send_types);
-int qeth_l3_set_rx_csum(struct qeth_card *, enum qeth_checksum_types);
int qeth_l3_is_addr_covered_by_ipato(struct qeth_card *, struct qeth_ipaddr *);
#endif /* __QETH_L3_H__ */
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 142e5f6ef4f..fd69da3fa6b 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -43,33 +43,6 @@ static int qeth_l3_deregister_addr_entry(struct qeth_card *,
static int __qeth_l3_set_online(struct ccwgroup_device *, int);
static int __qeth_l3_set_offline(struct ccwgroup_device *, int);
-int qeth_l3_set_large_send(struct qeth_card *card,
- enum qeth_large_send_types type)
-{
- int rc = 0;
-
- card->options.large_send = type;
- if (card->dev == NULL)
- return 0;
-
- if (card->options.large_send == QETH_LARGE_SEND_TSO) {
- if (qeth_is_supported(card, IPA_OUTBOUND_TSO)) {
- card->dev->features |= NETIF_F_TSO | NETIF_F_SG |
- NETIF_F_IP_CSUM;
- } else {
- card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG |
- NETIF_F_IP_CSUM);
- card->options.large_send = QETH_LARGE_SEND_NO;
- rc = -EOPNOTSUPP;
- }
- } else {
- card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG |
- NETIF_F_IP_CSUM);
- card->options.large_send = QETH_LARGE_SEND_NO;
- }
- return rc;
-}
-
static int qeth_l3_isxdigit(char *buf)
{
while (*buf) {
@@ -1304,39 +1277,6 @@ static int qeth_l3_start_ipa_multicast(struct qeth_card *card)
return rc;
}
-static int qeth_l3_query_ipassists_cb(struct qeth_card *card,
- struct qeth_reply *reply, unsigned long data)
-{
- struct qeth_ipa_cmd *cmd;
-
- QETH_DBF_TEXT(SETUP, 2, "qipasscb");
-
- cmd = (struct qeth_ipa_cmd *) data;
- if (cmd->hdr.prot_version == QETH_PROT_IPV4) {
- card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported;
- card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
- } else {
- card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported;
- card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
- }
- QETH_DBF_TEXT(SETUP, 2, "suppenbl");
- QETH_DBF_TEXT_(SETUP, 2, "%x", cmd->hdr.ipa_supported);
- QETH_DBF_TEXT_(SETUP, 2, "%x", cmd->hdr.ipa_enabled);
- return 0;
-}
-
-static int qeth_l3_query_ipassists(struct qeth_card *card,
- enum qeth_prot_versions prot)
-{
- int rc;
- struct qeth_cmd_buffer *iob;
-
- QETH_DBF_TEXT_(SETUP, 2, "qipassi%i", prot);
- iob = qeth_get_ipacmd_buffer(card, IPA_CMD_QIPASSIST, prot);
- rc = qeth_send_ipa_cmd(card, iob, qeth_l3_query_ipassists_cb, NULL);
- return rc;
-}
-
#ifdef CONFIG_QETH_IPV6
static int qeth_l3_softsetup_ipv6(struct qeth_card *card)
{
@@ -1347,7 +1287,7 @@ static int qeth_l3_softsetup_ipv6(struct qeth_card *card)
if (card->info.type == QETH_CARD_TYPE_IQD)
goto out;
- rc = qeth_l3_query_ipassists(card, QETH_PROT_IPV6);
+ rc = qeth_query_ipassists(card, QETH_PROT_IPV6);
if (rc) {
dev_err(&card->gdev->dev,
"Activating IPv6 support for %s failed\n",
@@ -1472,68 +1412,38 @@ static int qeth_l3_send_checksum_command(struct qeth_card *card)
return 0;
}
-int qeth_l3_set_rx_csum(struct qeth_card *card,
- enum qeth_checksum_types csum_type)
+int qeth_l3_set_rx_csum(struct qeth_card *card, int on)
{
int rc = 0;
- if (card->options.checksum_type == HW_CHECKSUMMING) {
- if ((csum_type != HW_CHECKSUMMING) &&
- (card->state != CARD_STATE_DOWN)) {
- rc = qeth_l3_send_simple_setassparms(card,
- IPA_INBOUND_CHECKSUM, IPA_CMD_ASS_STOP, 0);
- if (rc)
- return -EIO;
- }
+ if (on) {
+ rc = qeth_l3_send_checksum_command(card);
+ if (rc)
+ return -EIO;
+ dev_info(&card->gdev->dev,
+ "HW Checksumming (inbound) enabled\n");
} else {
- if (csum_type == HW_CHECKSUMMING) {
- if (card->state != CARD_STATE_DOWN) {
- if (!qeth_is_supported(card,
- IPA_INBOUND_CHECKSUM))
- return -EPERM;
- rc = qeth_l3_send_checksum_command(card);
- if (rc)
- return -EIO;
- }
- }
+ rc = qeth_l3_send_simple_setassparms(card,
+ IPA_INBOUND_CHECKSUM, IPA_CMD_ASS_STOP, 0);
+ if (rc)
+ return -EIO;
}
- card->options.checksum_type = csum_type;
- return rc;
+
+ return 0;
}
static int qeth_l3_start_ipa_checksum(struct qeth_card *card)
{
- int rc = 0;
-
QETH_CARD_TEXT(card, 3, "strtcsum");
- if (card->options.checksum_type == NO_CHECKSUMMING) {
- dev_info(&card->gdev->dev,
- "Using no checksumming on %s.\n",
- QETH_CARD_IFNAME(card));
- return 0;
- }
- if (card->options.checksum_type == SW_CHECKSUMMING) {
- dev_info(&card->gdev->dev,
- "Using SW checksumming on %s.\n",
- QETH_CARD_IFNAME(card));
- return 0;
- }
- if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) {
- dev_info(&card->gdev->dev,
- "Inbound HW Checksumming not "
- "supported on %s,\ncontinuing "
- "using Inbound SW Checksumming\n",
- QETH_CARD_IFNAME(card));
- card->options.checksum_type = SW_CHECKSUMMING;
- return 0;
+ if (card->dev->features & NETIF_F_RXCSUM) {
+ rtnl_lock();
+ /* force set_features call */
+ card->dev->features &= ~NETIF_F_RXCSUM;
+ netdev_update_features(card->dev);
+ rtnl_unlock();
}
- rc = qeth_l3_send_checksum_command(card);
- if (!rc)
- dev_info(&card->gdev->dev,
- "HW Checksumming (inbound) enabled\n");
-
- return rc;
+ return 0;
}
static int qeth_l3_start_ipa_tx_checksum(struct qeth_card *card)
@@ -1580,10 +1490,8 @@ static int qeth_l3_start_ipa_tso(struct qeth_card *card)
dev_info(&card->gdev->dev,
"Outbound TSO enabled\n");
}
- if (rc && (card->options.large_send == QETH_LARGE_SEND_TSO)) {
- card->options.large_send = QETH_LARGE_SEND_NO;
- card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
- }
+ if (rc)
+ card->dev->features &= ~NETIF_F_TSO;
return rc;
}
@@ -2064,14 +1972,7 @@ static inline int qeth_l3_rebuild_skb(struct qeth_card *card,
is_vlan = 1;
}
- switch (card->options.checksum_type) {
- case SW_CHECKSUMMING:
- skb->ip_summed = CHECKSUM_NONE;
- break;
- case NO_CHECKSUMMING:
- skb->ip_summed = CHECKSUM_UNNECESSARY;
- break;
- case HW_CHECKSUMMING:
+ if (card->dev->features & NETIF_F_RXCSUM) {
if ((hdr->hdr.l3.ext_flags &
(QETH_HDR_EXT_CSUM_HDR_REQ |
QETH_HDR_EXT_CSUM_TRANSP_REQ)) ==
@@ -2080,7 +1981,8 @@ static inline int qeth_l3_rebuild_skb(struct qeth_card *card,
skb->ip_summed = CHECKSUM_UNNECESSARY;
else
skb->ip_summed = CHECKSUM_NONE;
- }
+ } else
+ skb->ip_summed = CHECKSUM_NONE;
return is_vlan;
}
@@ -3024,7 +2926,7 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
struct qeth_qdio_out_q *queue = card->qdio.out_qs
[qeth_get_priority_queue(card, skb, ipv, cast_type)];
int tx_bytes = skb->len;
- enum qeth_large_send_types large_send = QETH_LARGE_SEND_NO;
+ bool large_send;
int data_offset = -1;
int nr_frags;
@@ -3046,8 +2948,7 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
card->perf_stats.outbound_start_time = qeth_get_micros();
}
- if (skb_is_gso(skb))
- large_send = card->options.large_send;
+ large_send = skb_is_gso(skb);
if ((card->info.type == QETH_CARD_TYPE_IQD) && (!large_send) &&
(skb_shinfo(skb)->nr_frags == 0)) {
@@ -3096,7 +2997,7 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
/* fix hardware limitation: as long as we do not have sbal
* chaining we can not send long frag lists
*/
- if (large_send == QETH_LARGE_SEND_TSO) {
+ if (large_send) {
if (qeth_l3_tso_elements(new_skb) + 1 > 16) {
if (skb_linearize(new_skb))
goto tx_drop;
@@ -3105,8 +3006,7 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
}
}
- if ((large_send == QETH_LARGE_SEND_TSO) &&
- (cast_type == RTN_UNSPEC)) {
+ if (large_send && (cast_type == RTN_UNSPEC)) {
hdr = (struct qeth_hdr *)skb_push(new_skb,
sizeof(struct qeth_hdr_tso));
memset(hdr, 0, sizeof(struct qeth_hdr_tso));
@@ -3141,7 +3041,7 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
if (card->info.type != QETH_CARD_TYPE_IQD) {
int len;
- if (large_send == QETH_LARGE_SEND_TSO)
+ if (large_send)
len = ((unsigned long)tcp_hdr(new_skb) +
tcp_hdr(new_skb)->doff * 4) -
(unsigned long)new_skb->data;
@@ -3162,7 +3062,7 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
if (new_skb != skb)
dev_kfree_skb_any(skb);
if (card->options.performance_stats) {
- if (large_send != QETH_LARGE_SEND_NO) {
+ if (large_send) {
card->perf_stats.large_send_bytes += tx_bytes;
card->perf_stats.large_send_cnt++;
}
@@ -3248,65 +3148,42 @@ static int qeth_l3_stop(struct net_device *dev)
return 0;
}
-static u32 qeth_l3_ethtool_get_rx_csum(struct net_device *dev)
+static u32 qeth_l3_fix_features(struct net_device *dev, u32 features)
{
struct qeth_card *card = dev->ml_priv;
- return (card->options.checksum_type == HW_CHECKSUMMING);
-}
-
-static int qeth_l3_ethtool_set_rx_csum(struct net_device *dev, u32 data)
-{
- struct qeth_card *card = dev->ml_priv;
- enum qeth_checksum_types csum_type;
-
- if (data)
- csum_type = HW_CHECKSUMMING;
- else
- csum_type = SW_CHECKSUMMING;
+ if (!qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM))
+ features &= ~NETIF_F_IP_CSUM;
+ if (!qeth_is_supported(card, IPA_OUTBOUND_TSO))
+ features &= ~NETIF_F_TSO;
+ if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM))
+ features &= ~NETIF_F_RXCSUM;
- return qeth_l3_set_rx_csum(card, csum_type);
+ return features;
}
-static int qeth_l3_ethtool_set_tso(struct net_device *dev, u32 data)
+static int qeth_l3_set_features(struct net_device *dev, u32 features)
{
struct qeth_card *card = dev->ml_priv;
- int rc = 0;
+ u32 changed = dev->features ^ features;
+ int err;
- if (data) {
- rc = qeth_l3_set_large_send(card, QETH_LARGE_SEND_TSO);
- } else {
- dev->features &= ~NETIF_F_TSO;
- card->options.large_send = QETH_LARGE_SEND_NO;
- }
- return rc;
-}
+ if (!(changed & NETIF_F_RXCSUM))
+ return 0;
-static int qeth_l3_ethtool_set_tx_csum(struct net_device *dev, u32 data)
-{
- struct qeth_card *card = dev->ml_priv;
+ if (card->state == CARD_STATE_DOWN ||
+ card->state == CARD_STATE_RECOVER)
+ return 0;
- if (data) {
- if (qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM))
- dev->features |= NETIF_F_IP_CSUM;
- else
- return -EPERM;
- } else
- dev->features &= ~NETIF_F_IP_CSUM;
+ err = qeth_l3_set_rx_csum(card, features & NETIF_F_RXCSUM);
+ if (err)
+ dev->features = features ^ NETIF_F_RXCSUM;
- return 0;
+ return err;
}
static const struct ethtool_ops qeth_l3_ethtool_ops = {
.get_link = ethtool_op_get_link,
- .get_tx_csum = ethtool_op_get_tx_csum,
- .set_tx_csum = qeth_l3_ethtool_set_tx_csum,
- .get_rx_csum = qeth_l3_ethtool_get_rx_csum,
- .set_rx_csum = qeth_l3_ethtool_set_rx_csum,
- .get_sg = ethtool_op_get_sg,
- .set_sg = ethtool_op_set_sg,
- .get_tso = ethtool_op_get_tso,
- .set_tso = qeth_l3_ethtool_set_tso,
.get_strings = qeth_core_get_strings,
.get_ethtool_stats = qeth_core_get_ethtool_stats,
.get_sset_count = qeth_core_get_sset_count,
@@ -3347,6 +3224,8 @@ static const struct net_device_ops qeth_l3_netdev_ops = {
.ndo_set_multicast_list = qeth_l3_set_multicast_list,
.ndo_do_ioctl = qeth_l3_do_ioctl,
.ndo_change_mtu = qeth_change_mtu,
+ .ndo_fix_features = qeth_l3_fix_features,
+ .ndo_set_features = qeth_l3_set_features,
.ndo_vlan_rx_register = qeth_l3_vlan_rx_register,
.ndo_vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid,
@@ -3362,6 +3241,8 @@ static const struct net_device_ops qeth_l3_osa_netdev_ops = {
.ndo_set_multicast_list = qeth_l3_set_multicast_list,
.ndo_do_ioctl = qeth_l3_do_ioctl,
.ndo_change_mtu = qeth_change_mtu,
+ .ndo_fix_features = qeth_l3_fix_features,
+ .ndo_set_features = qeth_l3_set_features,
.ndo_vlan_rx_register = qeth_l3_vlan_rx_register,
.ndo_vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid,
@@ -3392,8 +3273,12 @@ static int qeth_l3_setup_netdev(struct qeth_card *card)
if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD))
card->dev->dev_id = card->info.unique_id &
0xffff;
- if (!card->info.guestlan)
- card->dev->features |= NETIF_F_GRO;
+ if (!card->info.guestlan) {
+ card->dev->hw_features = NETIF_F_SG |
+ NETIF_F_RXCSUM | NETIF_F_IP_CSUM |
+ NETIF_F_TSO;
+ card->dev->features = NETIF_F_RXCSUM;
+ }
}
} else if (card->info.type == QETH_CARD_TYPE_IQD) {
card->dev = alloc_netdev(0, "hsi%d", ether_setup);
@@ -3426,15 +3311,13 @@ static int qeth_l3_probe_device(struct ccwgroup_device *gdev)
qeth_l3_create_device_attributes(&gdev->dev);
card->options.layer2 = 0;
+ card->info.hwtrap = 0;
card->discipline.start_poll = qeth_qdio_start_poll;
card->discipline.input_handler = (qdio_handler_t *)
qeth_qdio_input_handler;
card->discipline.output_handler = (qdio_handler_t *)
qeth_qdio_output_handler;
card->discipline.recover = qeth_l3_recover;
- if ((card->info.type == QETH_CARD_TYPE_OSD) ||
- (card->info.type == QETH_CARD_TYPE_OSX))
- card->options.checksum_type = HW_CHECKSUMMING;
return 0;
}
@@ -3480,13 +3363,18 @@ static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode)
goto out_remove;
}
- qeth_l3_query_ipassists(card, QETH_PROT_IPV4);
-
if (!card->dev && qeth_l3_setup_netdev(card)) {
rc = -ENODEV;
goto out_remove;
}
+ if (qeth_is_diagass_supported(card, QETH_DIAGS_CMD_TRAP)) {
+ if (card->info.hwtrap &&
+ qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM))
+ card->info.hwtrap = 0;
+ } else
+ card->info.hwtrap = 0;
+
card->state = CARD_STATE_HARDSETUP;
memset(&card->rx, 0, sizeof(struct qeth_rx));
qeth_print_status_message(card);
@@ -3516,7 +3404,6 @@ contin:
rc = qeth_l3_start_ipassists(card);
if (rc)
QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc);
- qeth_l3_set_large_send(card, card->options.large_send);
rc = qeth_l3_setrouting_v4(card);
if (rc)
QETH_DBF_TEXT_(SETUP, 2, "4err%d", rc);
@@ -3589,6 +3476,10 @@ static int __qeth_l3_set_offline(struct ccwgroup_device *cgdev,
if (card->dev && netif_carrier_ok(card->dev))
netif_carrier_off(card->dev);
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_l3_stop_card(card, recovery_mode);
rc = ccw_device_set_offline(CARD_DDEV(card));
rc2 = ccw_device_set_offline(CARD_WDEV(card));
@@ -3644,6 +3535,8 @@ static int qeth_l3_recover(void *ptr)
static void qeth_l3_shutdown(struct ccwgroup_device *gdev)
{
struct qeth_card *card = dev_get_drvdata(&gdev->dev);
+ if ((gdev->state == CCWGROUP_ONLINE) && card->info.hwtrap)
+ qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
qeth_qdio_clear_card(card, 0);
qeth_clear_qdio_buffers(card);
}
@@ -3659,6 +3552,8 @@ static int qeth_l3_pm_suspend(struct ccwgroup_device *gdev)
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_l3_set_offline(card->gdev, 1);
} else
__qeth_l3_set_offline(card->gdev, 0);
diff --git a/drivers/s390/net/qeth_l3_sys.c b/drivers/s390/net/qeth_l3_sys.c
index 67cfa68dcf1..cd99210296e 100644
--- a/drivers/s390/net/qeth_l3_sys.c
+++ b/drivers/s390/net/qeth_l3_sys.c
@@ -15,16 +15,6 @@
#define QETH_DEVICE_ATTR(_id, _name, _mode, _show, _store) \
struct device_attribute dev_attr_##_id = __ATTR(_name, _mode, _show, _store)
-static const char *qeth_l3_get_checksum_str(struct qeth_card *card)
-{
- if (card->options.checksum_type == SW_CHECKSUMMING)
- return "sw";
- else if (card->options.checksum_type == HW_CHECKSUMMING)
- return "hw";
- else
- return "no";
-}
-
static ssize_t qeth_l3_dev_route_show(struct qeth_card *card,
struct qeth_routing_info *route, char *buf)
{
@@ -295,51 +285,6 @@ out:
static DEVICE_ATTR(canonical_macaddr, 0644, qeth_l3_dev_canonical_macaddr_show,
qeth_l3_dev_canonical_macaddr_store);
-static ssize_t qeth_l3_dev_checksum_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct qeth_card *card = dev_get_drvdata(dev);
-
- if (!card)
- return -EINVAL;
-
- return sprintf(buf, "%s checksumming\n",
- qeth_l3_get_checksum_str(card));
-}
-
-static ssize_t qeth_l3_dev_checksum_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
-{
- struct qeth_card *card = dev_get_drvdata(dev);
- enum qeth_checksum_types csum_type;
- char *tmp;
- 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;
- else if (!strcmp(tmp, "hw_checksumming"))
- csum_type = HW_CHECKSUMMING;
- else if (!strcmp(tmp, "no_checksumming"))
- csum_type = NO_CHECKSUMMING;
- else {
- rc = -EINVAL;
- goto out;
- }
-
- rc = qeth_l3_set_rx_csum(card, csum_type);
-out:
- mutex_unlock(&card->conf_mutex);
- return rc ? rc : count;
-}
-
-static DEVICE_ATTR(checksumming, 0644, qeth_l3_dev_checksum_show,
- qeth_l3_dev_checksum_store);
-
static ssize_t qeth_l3_dev_sniffer_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -402,61 +347,13 @@ out:
static DEVICE_ATTR(sniffer, 0644, qeth_l3_dev_sniffer_show,
qeth_l3_dev_sniffer_store);
-static ssize_t qeth_l3_dev_large_send_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct qeth_card *card = dev_get_drvdata(dev);
-
- if (!card)
- return -EINVAL;
-
- switch (card->options.large_send) {
- case QETH_LARGE_SEND_NO:
- return sprintf(buf, "%s\n", "no");
- case QETH_LARGE_SEND_TSO:
- return sprintf(buf, "%s\n", "TSO");
- default:
- return sprintf(buf, "%s\n", "N/A");
- }
-}
-
-static ssize_t qeth_l3_dev_large_send_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
-{
- struct qeth_card *card = dev_get_drvdata(dev);
- enum qeth_large_send_types type;
- int rc = 0;
- char *tmp;
-
- if (!card)
- return -EINVAL;
- tmp = strsep((char **) &buf, "\n");
- if (!strcmp(tmp, "no"))
- type = QETH_LARGE_SEND_NO;
- else if (!strcmp(tmp, "TSO"))
- type = QETH_LARGE_SEND_TSO;
- else
- return -EINVAL;
-
- 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,
- qeth_l3_dev_large_send_store);
-
static struct attribute *qeth_l3_device_attrs[] = {
&dev_attr_route4.attr,
&dev_attr_route6.attr,
&dev_attr_fake_broadcast.attr,
&dev_attr_broadcast_mode.attr,
&dev_attr_canonical_macaddr.attr,
- &dev_attr_checksumming.attr,
&dev_attr_sniffer.attr,
- &dev_attr_large_send.attr,
NULL,
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-04 06:27:27 +0000