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-rw-r--r--drivers/s390/block/dasd_eckd.c14
-rw-r--r--drivers/s390/block/dasd_genhd.c3
-rw-r--r--drivers/s390/block/dcssblk.c10
-rw-r--r--drivers/s390/block/scm_blk.c3
-rw-r--r--drivers/s390/char/keyboard.c15
-rw-r--r--drivers/s390/char/sclp_con.c3
-rw-r--r--drivers/s390/char/sclp_config.c2
-rw-r--r--drivers/s390/char/sclp_early.c12
-rw-r--r--drivers/s390/char/sclp_ocf.c23
-rw-r--r--drivers/s390/char/zcore.c2
-rw-r--r--drivers/s390/cio/chp.c82
-rw-r--r--drivers/s390/cio/chp.h2
-rw-r--r--drivers/s390/cio/chsc.c25
-rw-r--r--drivers/s390/cio/chsc.h5
-rw-r--r--drivers/s390/cio/chsc_sch.c2
-rw-r--r--drivers/s390/cio/cmf.c15
-rw-r--r--drivers/s390/cio/device.c2
-rw-r--r--drivers/s390/cio/device_ops.c22
-rw-r--r--drivers/s390/cio/device_status.c7
-rw-r--r--drivers/s390/cio/idset.h2
-rw-r--r--drivers/s390/cio/io_sch.h1
-rw-r--r--drivers/s390/cio/ioasm.c91
-rw-r--r--drivers/s390/cio/qdio_main.c113
-rw-r--r--drivers/s390/crypto/ap_bus.c127
-rw-r--r--drivers/s390/crypto/ap_bus.h1
-rw-r--r--drivers/s390/crypto/zcrypt_cex2a.c2
-rw-r--r--drivers/s390/crypto/zcrypt_cex4.c2
-rw-r--r--drivers/s390/crypto/zcrypt_pcixcc.c2
-rw-r--r--drivers/s390/net/qeth_core.h46
-rw-r--r--drivers/s390/net/qeth_core_main.c263
-rw-r--r--drivers/s390/net/qeth_core_sys.c4
-rw-r--r--drivers/s390/net/qeth_l2.h7
-rw-r--r--drivers/s390/net/qeth_l2_main.c105
-rw-r--r--drivers/s390/net/qeth_l3.h31
-rw-r--r--drivers/s390/net/qeth_l3_main.c1031
-rw-r--r--drivers/s390/net/qeth_l3_sys.c83
-rw-r--r--drivers/s390/virtio/Makefile6
-rw-r--r--drivers/s390/virtio/kvm_virtio.c4
38 files changed, 1236 insertions, 934 deletions
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 42b34cd1f..98bbec44b 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -228,7 +228,7 @@ check_XRC (struct ccw1 *de_ccw,
data->ga_extended |= 0x08; /* switch on 'Time Stamp Valid' */
data->ga_extended |= 0x02; /* switch on 'Extended Parameter' */
- rc = get_sync_clock(&data->ep_sys_time);
+ rc = get_phys_clock(&data->ep_sys_time);
/* Ignore return code if sync clock is switched off. */
if (rc == -EOPNOTSUPP || rc == -EACCES)
rc = 0;
@@ -339,7 +339,7 @@ static int check_XRC_on_prefix(struct PFX_eckd_data *pfxdata,
pfxdata->define_extent.ga_extended |= 0x02; /* 'Extended Parameter' */
pfxdata->validity.time_stamp = 1; /* 'Time Stamp Valid' */
- rc = get_sync_clock(&pfxdata->define_extent.ep_sys_time);
+ rc = get_phys_clock(&pfxdata->define_extent.ep_sys_time);
/* Ignore return code if sync clock is switched off. */
if (rc == -EOPNOTSUPP || rc == -EACCES)
rc = 0;
@@ -5078,6 +5078,8 @@ static int dasd_eckd_read_message_buffer(struct dasd_device *device,
return PTR_ERR(cqr);
}
+ cqr->lpm = lpum;
+retry:
cqr->startdev = device;
cqr->memdev = device;
cqr->block = NULL;
@@ -5122,6 +5124,14 @@ static int dasd_eckd_read_message_buffer(struct dasd_device *device,
(prssdp + 1);
memcpy(messages, message_buf,
sizeof(struct dasd_rssd_messages));
+ } else if (cqr->lpm) {
+ /*
+ * on z/VM we might not be able to do I/O on the requested path
+ * but instead we get the required information on any path
+ * so retry with open path mask
+ */
+ cqr->lpm = 0;
+ goto retry;
} else
DBF_EVENT_DEVID(DBF_WARNING, device->cdev,
"Reading messages failed with rc=%d\n"
diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c
index 31d544a87..e2fa759bf 100644
--- a/drivers/s390/block/dasd_genhd.c
+++ b/drivers/s390/block/dasd_genhd.c
@@ -45,7 +45,6 @@ int dasd_gendisk_alloc(struct dasd_block *block)
gdp->major = DASD_MAJOR;
gdp->first_minor = base->devindex << DASD_PARTN_BITS;
gdp->fops = &dasd_device_operations;
- gdp->driverfs_dev = &base->cdev->dev;
/*
* Set device name.
@@ -76,7 +75,7 @@ int dasd_gendisk_alloc(struct dasd_block *block)
gdp->queue = block->request_queue;
block->gdp = gdp;
set_capacity(block->gdp, 0);
- add_disk(block->gdp);
+ device_add_disk(&base->cdev->dev, block->gdp);
return 0;
}
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index bed53c46d..9d66b4fb1 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -31,7 +31,7 @@ static void dcssblk_release(struct gendisk *disk, fmode_t mode);
static blk_qc_t dcssblk_make_request(struct request_queue *q,
struct bio *bio);
static long dcssblk_direct_access(struct block_device *bdev, sector_t secnum,
- void __pmem **kaddr, pfn_t *pfn, long size);
+ void **kaddr, pfn_t *pfn, long size);
static char dcssblk_segments[DCSSBLK_PARM_LEN] = "\0";
@@ -615,9 +615,9 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char
dev_info->dcssblk_queue = blk_alloc_queue(GFP_KERNEL);
dev_info->gd->queue = dev_info->dcssblk_queue;
dev_info->gd->private_data = dev_info;
- dev_info->gd->driverfs_dev = &dev_info->dev;
blk_queue_make_request(dev_info->dcssblk_queue, dcssblk_make_request);
blk_queue_logical_block_size(dev_info->dcssblk_queue, 4096);
+ queue_flag_set_unlocked(QUEUE_FLAG_DAX, dev_info->dcssblk_queue);
seg_byte_size = (dev_info->end - dev_info->start + 1);
set_capacity(dev_info->gd, seg_byte_size >> 9); // size in sectors
@@ -655,7 +655,7 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char
goto put_dev;
get_device(&dev_info->dev);
- add_disk(dev_info->gd);
+ device_add_disk(&dev_info->dev, dev_info->gd);
switch (dev_info->segment_type) {
case SEG_TYPE_SR:
@@ -884,7 +884,7 @@ fail:
static long
dcssblk_direct_access (struct block_device *bdev, sector_t secnum,
- void __pmem **kaddr, pfn_t *pfn, long size)
+ void **kaddr, pfn_t *pfn, long size)
{
struct dcssblk_dev_info *dev_info;
unsigned long offset, dev_sz;
@@ -894,7 +894,7 @@ dcssblk_direct_access (struct block_device *bdev, sector_t secnum,
return -ENODEV;
dev_sz = dev_info->end - dev_info->start;
offset = secnum * 512;
- *kaddr = (void __pmem *) (dev_info->start + offset);
+ *kaddr = (void *) dev_info->start + offset;
*pfn = __pfn_to_pfn_t(PFN_DOWN(dev_info->start + offset), PFN_DEV);
return dev_sz - offset;
diff --git a/drivers/s390/block/scm_blk.c b/drivers/s390/block/scm_blk.c
index e6f54d3b8..9f16ea696 100644
--- a/drivers/s390/block/scm_blk.c
+++ b/drivers/s390/block/scm_blk.c
@@ -512,7 +512,6 @@ int scm_blk_dev_setup(struct scm_blk_dev *bdev, struct scm_device *scmdev)
goto out_queue;
rq->queuedata = scmdev;
- bdev->gendisk->driverfs_dev = &scmdev->dev;
bdev->gendisk->private_data = scmdev;
bdev->gendisk->fops = &scm_blk_devops;
bdev->gendisk->queue = rq;
@@ -531,7 +530,7 @@ int scm_blk_dev_setup(struct scm_blk_dev *bdev, struct scm_device *scmdev)
/* 512 byte sectors */
set_capacity(bdev->gendisk, scmdev->size >> 9);
- add_disk(bdev->gendisk);
+ device_add_disk(&scmdev->dev, bdev->gendisk);
return 0;
out_queue:
diff --git a/drivers/s390/char/keyboard.c b/drivers/s390/char/keyboard.c
index ef04a9f7a..7b9c50aa4 100644
--- a/drivers/s390/char/keyboard.c
+++ b/drivers/s390/char/keyboard.c
@@ -438,18 +438,9 @@ do_kdgkb_ioctl(struct kbd_data *kbd, struct kbsentry __user *u_kbs,
return -EFAULT;
if (len > sizeof(u_kbs->kb_string))
return -EINVAL;
- p = kmalloc(len, GFP_KERNEL);
- if (!p)
- return -ENOMEM;
- if (copy_from_user(p, u_kbs->kb_string, len)) {
- kfree(p);
- return -EFAULT;
- }
- /*
- * Make sure the string is terminated by 0. User could have
- * modified it between us running strnlen_user() and copying it.
- */
- p[len - 1] = 0;
+ p = memdup_user_nul(u_kbs->kb_string, len);
+ if (IS_ERR(p))
+ return PTR_ERR(p);
kfree(kbd->func_table[kb_func]);
kbd->func_table[kb_func] = p;
break;
diff --git a/drivers/s390/char/sclp_con.c b/drivers/s390/char/sclp_con.c
index 5880def98..6037bc87e 100644
--- a/drivers/s390/char/sclp_con.c
+++ b/drivers/s390/char/sclp_con.c
@@ -319,7 +319,8 @@ sclp_console_init(void)
int i;
int rc;
- if (!CONSOLE_IS_SCLP)
+ /* SCLP consoles are handled together */
+ if (!(CONSOLE_IS_SCLP || CONSOLE_IS_VT220))
return 0;
rc = sclp_rw_init();
if (rc)
diff --git a/drivers/s390/char/sclp_config.c b/drivers/s390/char/sclp_config.c
index 2ced50ccc..1406fb688 100644
--- a/drivers/s390/char/sclp_config.c
+++ b/drivers/s390/char/sclp_config.c
@@ -47,7 +47,7 @@ static void sclp_cpu_capability_notify(struct work_struct *work)
int cpu;
struct device *dev;
- s390_adjust_jiffies();
+ s390_update_cpu_mhz();
pr_info("CPU capability may have changed\n");
get_online_cpus();
for_each_online_cpu(cpu) {
diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c
index 0ac520dd1..c71df0c7d 100644
--- a/drivers/s390/char/sclp_early.c
+++ b/drivers/s390/char/sclp_early.c
@@ -46,7 +46,8 @@ struct read_info_sccb {
u64 rnmax2; /* 104-111 */
u8 _pad_112[116 - 112]; /* 112-115 */
u8 fac116; /* 116 */
- u8 _pad_117[119 - 117]; /* 117-118 */
+ u8 fac117; /* 117 */
+ u8 _pad_118; /* 118 */
u8 fac119; /* 119 */
u16 hcpua; /* 120-121 */
u8 _pad_122[124 - 122]; /* 122-123 */
@@ -114,7 +115,12 @@ static void __init sclp_facilities_detect(struct read_info_sccb *sccb)
sclp.facilities = sccb->facilities;
sclp.has_sprp = !!(sccb->fac84 & 0x02);
sclp.has_core_type = !!(sccb->fac84 & 0x01);
+ sclp.has_gsls = !!(sccb->fac85 & 0x80);
+ sclp.has_64bscao = !!(sccb->fac116 & 0x80);
+ sclp.has_cmma = !!(sccb->fac116 & 0x40);
sclp.has_esca = !!(sccb->fac116 & 0x08);
+ sclp.has_pfmfi = !!(sccb->fac117 & 0x40);
+ sclp.has_ibs = !!(sccb->fac117 & 0x20);
sclp.has_hvs = !!(sccb->fac119 & 0x80);
if (sccb->fac85 & 0x02)
S390_lowcore.machine_flags |= MACHINE_FLAG_ESOP;
@@ -145,6 +151,10 @@ static void __init sclp_facilities_detect(struct read_info_sccb *sccb)
sclp.has_siif = cpue->siif;
sclp.has_sigpif = cpue->sigpif;
sclp.has_sief2 = cpue->sief2;
+ sclp.has_gpere = cpue->gpere;
+ sclp.has_ib = cpue->ib;
+ sclp.has_cei = cpue->cei;
+ sclp.has_skey = cpue->skey;
break;
}
diff --git a/drivers/s390/char/sclp_ocf.c b/drivers/s390/char/sclp_ocf.c
index 2553db0fd..f59b71776 100644
--- a/drivers/s390/char/sclp_ocf.c
+++ b/drivers/s390/char/sclp_ocf.c
@@ -26,7 +26,7 @@
#define OCF_LENGTH_CPC_NAME 8UL
static char hmc_network[OCF_LENGTH_HMC_NETWORK + 1];
-static char cpc_name[OCF_LENGTH_CPC_NAME + 1];
+static char cpc_name[OCF_LENGTH_CPC_NAME]; /* in EBCDIC */
static DEFINE_SPINLOCK(sclp_ocf_lock);
static struct work_struct sclp_ocf_change_work;
@@ -72,9 +72,8 @@ static void sclp_ocf_handler(struct evbuf_header *evbuf)
}
if (cpc) {
size = min(OCF_LENGTH_CPC_NAME, (size_t) cpc->length);
+ memset(cpc_name, 0, OCF_LENGTH_CPC_NAME);
memcpy(cpc_name, cpc + 1, size);
- EBCASC(cpc_name, size);
- cpc_name[size] = 0;
}
spin_unlock(&sclp_ocf_lock);
schedule_work(&sclp_ocf_change_work);
@@ -85,15 +84,23 @@ static struct sclp_register sclp_ocf_event = {
.receiver_fn = sclp_ocf_handler,
};
+void sclp_ocf_cpc_name_copy(char *dst)
+{
+ spin_lock_irq(&sclp_ocf_lock);
+ memcpy(dst, cpc_name, OCF_LENGTH_CPC_NAME);
+ spin_unlock_irq(&sclp_ocf_lock);
+}
+EXPORT_SYMBOL(sclp_ocf_cpc_name_copy);
+
static ssize_t cpc_name_show(struct kobject *kobj,
struct kobj_attribute *attr, char *page)
{
- int rc;
+ char name[OCF_LENGTH_CPC_NAME + 1];
- spin_lock_irq(&sclp_ocf_lock);
- rc = snprintf(page, PAGE_SIZE, "%s\n", cpc_name);
- spin_unlock_irq(&sclp_ocf_lock);
- return rc;
+ sclp_ocf_cpc_name_copy(name);
+ name[OCF_LENGTH_CPC_NAME] = 0;
+ EBCASC(name, OCF_LENGTH_CPC_NAME);
+ return snprintf(page, PAGE_SIZE, "%s\n", name);
}
static struct kobj_attribute cpc_name_attr =
diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c
index 5043ecfa1..16992e2a4 100644
--- a/drivers/s390/char/zcore.c
+++ b/drivers/s390/char/zcore.c
@@ -185,7 +185,7 @@ static ssize_t zcore_reipl_write(struct file *filp, const char __user *buf,
{
if (ipl_block) {
diag308(DIAG308_SET, ipl_block);
- diag308(DIAG308_IPL, NULL);
+ diag308(DIAG308_LOAD_CLEAR, NULL);
}
return count;
}
diff --git a/drivers/s390/cio/chp.c b/drivers/s390/cio/chp.c
index 50597f952..46be25c74 100644
--- a/drivers/s390/cio/chp.c
+++ b/drivers/s390/cio/chp.c
@@ -37,8 +37,7 @@ enum cfg_task_t {
/* Map for pending configure tasks. */
static enum cfg_task_t chp_cfg_task[__MAX_CSSID + 1][__MAX_CHPID + 1];
-static DEFINE_MUTEX(cfg_lock);
-static int cfg_busy;
+static DEFINE_SPINLOCK(cfg_lock);
/* Map for channel-path status. */
static struct sclp_chp_info chp_info;
@@ -47,8 +46,6 @@ static DEFINE_MUTEX(info_lock);
/* Time after which channel-path status may be outdated. */
static unsigned long chp_info_expires;
-/* Workqueue to perform pending configure tasks. */
-static struct workqueue_struct *chp_wq;
static struct work_struct cfg_work;
/* Wait queue for configure completion events. */
@@ -428,11 +425,14 @@ int chp_update_desc(struct channel_path *chp)
if (rc)
return rc;
- rc = chsc_determine_fmt1_channel_path_desc(chp->chpid, &chp->desc_fmt1);
- if (rc)
- return rc;
+ /*
+ * Fetching the following data is optional. Not all machines or
+ * hypervisors implement the required chsc commands.
+ */
+ chsc_determine_fmt1_channel_path_desc(chp->chpid, &chp->desc_fmt1);
+ chsc_get_channel_measurement_chars(chp);
- return chsc_get_channel_measurement_chars(chp);
+ return 0;
}
/**
@@ -665,6 +665,20 @@ static void cfg_set_task(struct chp_id chpid, enum cfg_task_t cfg)
chp_cfg_task[chpid.cssid][chpid.id] = cfg;
}
+/* Fetch the first configure task. Set chpid accordingly. */
+static enum cfg_task_t chp_cfg_fetch_task(struct chp_id *chpid)
+{
+ enum cfg_task_t t = cfg_none;
+
+ chp_id_for_each(chpid) {
+ t = cfg_get_task(*chpid);
+ if (t != cfg_none)
+ break;
+ }
+
+ return t;
+}
+
/* Perform one configure/deconfigure request. Reschedule work function until
* last request. */
static void cfg_func(struct work_struct *work)
@@ -673,16 +687,9 @@ static void cfg_func(struct work_struct *work)
enum cfg_task_t t;
int rc;
- mutex_lock(&cfg_lock);
- t = cfg_none;
- chp_id_for_each(&chpid) {
- t = cfg_get_task(chpid);
- if (t != cfg_none) {
- cfg_set_task(chpid, cfg_none);
- break;
- }
- }
- mutex_unlock(&cfg_lock);
+ spin_lock(&cfg_lock);
+ t = chp_cfg_fetch_task(&chpid);
+ spin_unlock(&cfg_lock);
switch (t) {
case cfg_configure:
@@ -708,13 +715,14 @@ static void cfg_func(struct work_struct *work)
case cfg_none:
/* Get updated information after last change. */
info_update();
- mutex_lock(&cfg_lock);
- cfg_busy = 0;
- mutex_unlock(&cfg_lock);
wake_up_interruptible(&cfg_wait_queue);
return;
}
- queue_work(chp_wq, &cfg_work);
+ spin_lock(&cfg_lock);
+ if (t == cfg_get_task(chpid))
+ cfg_set_task(chpid, cfg_none);
+ spin_unlock(&cfg_lock);
+ schedule_work(&cfg_work);
}
/**
@@ -728,11 +736,10 @@ void chp_cfg_schedule(struct chp_id chpid, int configure)
{
CIO_MSG_EVENT(2, "chp_cfg_sched%x.%02x=%d\n", chpid.cssid, chpid.id,
configure);
- mutex_lock(&cfg_lock);
+ spin_lock(&cfg_lock);
cfg_set_task(chpid, configure ? cfg_configure : cfg_deconfigure);
- cfg_busy = 1;
- mutex_unlock(&cfg_lock);
- queue_work(chp_wq, &cfg_work);
+ spin_unlock(&cfg_lock);
+ schedule_work(&cfg_work);
}
/**
@@ -745,15 +752,27 @@ void chp_cfg_schedule(struct chp_id chpid, int configure)
void chp_cfg_cancel_deconfigure(struct chp_id chpid)
{
CIO_MSG_EVENT(2, "chp_cfg_cancel:%x.%02x\n", chpid.cssid, chpid.id);
- mutex_lock(&cfg_lock);
+ spin_lock(&cfg_lock);
if (cfg_get_task(chpid) == cfg_deconfigure)
cfg_set_task(chpid, cfg_none);
- mutex_unlock(&cfg_lock);
+ spin_unlock(&cfg_lock);
+}
+
+static bool cfg_idle(void)
+{
+ struct chp_id chpid;
+ enum cfg_task_t t;
+
+ spin_lock(&cfg_lock);
+ t = chp_cfg_fetch_task(&chpid);
+ spin_unlock(&cfg_lock);
+
+ return t == cfg_none;
}
static int cfg_wait_idle(void)
{
- if (wait_event_interruptible(cfg_wait_queue, !cfg_busy))
+ if (wait_event_interruptible(cfg_wait_queue, cfg_idle()))
return -ERESTARTSYS;
return 0;
}
@@ -766,11 +785,6 @@ static int __init chp_init(void)
ret = crw_register_handler(CRW_RSC_CPATH, chp_process_crw);
if (ret)
return ret;
- chp_wq = create_singlethread_workqueue("cio_chp");
- if (!chp_wq) {
- crw_unregister_handler(CRW_RSC_CPATH);
- return -ENOMEM;
- }
INIT_WORK(&cfg_work, cfg_func);
init_waitqueue_head(&cfg_wait_queue);
if (info_update())
diff --git a/drivers/s390/cio/chp.h b/drivers/s390/cio/chp.h
index af0232290..bb5a68226 100644
--- a/drivers/s390/cio/chp.h
+++ b/drivers/s390/cio/chp.h
@@ -4,7 +4,7 @@
*/
#ifndef S390_CHP_H
-#define S390_CHP_H S390_CHP_H
+#define S390_CHP_H
#include <linux/types.h>
#include <linux/device.h>
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index c424c0c73..940e725bd 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -907,7 +907,8 @@ int chsc_determine_channel_path_desc(struct chp_id chpid, int fmt, int rfmt,
struct chsc_scpd *scpd_area;
int ccode, ret;
- if ((rfmt == 1) && !css_general_characteristics.fcs)
+ if ((rfmt == 1 || rfmt == 0) && c == 1 &&
+ !css_general_characteristics.fcs)
return -EINVAL;
if ((rfmt == 2) && !css_general_characteristics.cib)
return -EINVAL;
@@ -939,7 +940,6 @@ EXPORT_SYMBOL_GPL(chsc_determine_channel_path_desc);
int chsc_determine_base_channel_path_desc(struct chp_id chpid,
struct channel_path_desc *desc)
{
- struct chsc_response_struct *chsc_resp;
struct chsc_scpd *scpd_area;
unsigned long flags;
int ret;
@@ -949,8 +949,8 @@ int chsc_determine_base_channel_path_desc(struct chp_id chpid,
ret = chsc_determine_channel_path_desc(chpid, 0, 0, 0, 0, scpd_area);
if (ret)
goto out;
- chsc_resp = (void *)&scpd_area->response;
- memcpy(desc, &chsc_resp->data, sizeof(*desc));
+
+ memcpy(desc, scpd_area->data, sizeof(*desc));
out:
spin_unlock_irqrestore(&chsc_page_lock, flags);
return ret;
@@ -959,18 +959,17 @@ out:
int chsc_determine_fmt1_channel_path_desc(struct chp_id chpid,
struct channel_path_desc_fmt1 *desc)
{
- struct chsc_response_struct *chsc_resp;
struct chsc_scpd *scpd_area;
unsigned long flags;
int ret;
spin_lock_irqsave(&chsc_page_lock, flags);
scpd_area = chsc_page;
- ret = chsc_determine_channel_path_desc(chpid, 0, 0, 1, 0, scpd_area);
+ ret = chsc_determine_channel_path_desc(chpid, 0, 1, 1, 0, scpd_area);
if (ret)
goto out;
- chsc_resp = (void *)&scpd_area->response;
- memcpy(desc, &chsc_resp->data, sizeof(*desc));
+
+ memcpy(desc, scpd_area->data, sizeof(*desc));
out:
spin_unlock_irqrestore(&chsc_page_lock, flags);
return ret;
@@ -1020,7 +1019,7 @@ int chsc_get_channel_measurement_chars(struct channel_path *chp)
chp->cmg = -1;
if (!css_chsc_characteristics.scmc || !css_chsc_characteristics.secm)
- return 0;
+ return -EINVAL;
spin_lock_irq(&chsc_page_lock);
memset(chsc_page, 0, PAGE_SIZE);
@@ -1176,7 +1175,7 @@ exit:
EXPORT_SYMBOL_GPL(css_general_characteristics);
EXPORT_SYMBOL_GPL(css_chsc_characteristics);
-int chsc_sstpc(void *page, unsigned int op, u16 ctrl)
+int chsc_sstpc(void *page, unsigned int op, u16 ctrl, u64 *clock_delta)
{
struct {
struct chsc_header request;
@@ -1186,7 +1185,9 @@ int chsc_sstpc(void *page, unsigned int op, u16 ctrl)
unsigned int ctrl : 16;
unsigned int rsvd2[5];
struct chsc_header response;
- unsigned int rsvd3[7];
+ unsigned int rsvd3[3];
+ u64 clock_delta;
+ unsigned int rsvd4[2];
} __attribute__ ((packed)) *rr;
int rc;
@@ -1200,6 +1201,8 @@ int chsc_sstpc(void *page, unsigned int op, u16 ctrl)
if (rc)
return -EIO;
rc = (rr->response.code == 0x0001) ? 0 : -EIO;
+ if (clock_delta)
+ *clock_delta = rr->clock_delta;
return rc;
}
diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h
index 0de134c3a..67c87b6e6 100644
--- a/drivers/s390/cio/chsc.h
+++ b/drivers/s390/cio/chsc.h
@@ -112,8 +112,9 @@ struct chsc_scpd {
u32 last_chpid:8;
u32 zeroes1;
struct chsc_header response;
- u8 data[PAGE_SIZE - 20];
-} __attribute__ ((packed));
+ u32:32;
+ u8 data[0];
+} __packed;
struct chsc_sda_area {
struct chsc_header request;
diff --git a/drivers/s390/cio/chsc_sch.c b/drivers/s390/cio/chsc_sch.c
index b6f12c2bb..735052ecd 100644
--- a/drivers/s390/cio/chsc_sch.c
+++ b/drivers/s390/cio/chsc_sch.c
@@ -552,7 +552,7 @@ static int chsc_ioctl_info_cu(void __user *user_cd)
goto out_free;
}
scucd_area->request.length = 0x0010;
- scucd_area->request.code = 0x0028;
+ scucd_area->request.code = 0x0026;
scucd_area->m = cd->m;
scucd_area->fmt1 = cd->fmt;
scucd_area->cssid = cd->cssid;
diff --git a/drivers/s390/cio/cmf.c b/drivers/s390/cio/cmf.c
index 2a34eb5f6..268aa23af 100644
--- a/drivers/s390/cio/cmf.c
+++ b/drivers/s390/cio/cmf.c
@@ -164,6 +164,9 @@ static inline u64 time_to_avg_nsec(u32 value, u32 count)
return ret;
}
+#define CMF_OFF 0
+#define CMF_ON 2
+
/*
* Activate or deactivate the channel monitor. When area is NULL,
* the monitor is deactivated. The channel monitor needs to
@@ -176,7 +179,7 @@ static inline void cmf_activate(void *area, unsigned int onoff)
register long __gpr1 asm("1");
__gpr2 = area;
- __gpr1 = onoff ? 2 : 0;
+ __gpr1 = onoff;
/* activate channel measurement */
asm("schm" : : "d" (__gpr2), "d" (__gpr1) );
}
@@ -587,7 +590,7 @@ static int alloc_cmb(struct ccw_device *cdev)
/* everything ok */
memset(mem, 0, size);
cmb_area.mem = mem;
- cmf_activate(cmb_area.mem, 1);
+ cmf_activate(cmb_area.mem, CMF_ON);
}
}
@@ -621,7 +624,7 @@ static void free_cmb(struct ccw_device *cdev)
if (list_empty(&cmb_area.list)) {
ssize_t size;
size = sizeof(struct cmb) * cmb_area.num_channels;
- cmf_activate(NULL, 0);
+ cmf_activate(NULL, CMF_OFF);
free_pages((unsigned long)cmb_area.mem, get_order(size));
cmb_area.mem = NULL;
}
@@ -841,7 +844,7 @@ static int alloc_cmbe(struct ccw_device *cdev)
/* activate global measurement if this is the first channel */
if (list_empty(&cmb_area.list))
- cmf_activate(NULL, 1);
+ cmf_activate(NULL, CMF_ON);
list_add_tail(&cdev->private->cmb_list, &cmb_area.list);
spin_unlock_irq(cdev->ccwlock);
@@ -878,7 +881,7 @@ static void free_cmbe(struct ccw_device *cdev)
/* deactivate global measurement if this is the last channel */
list_del_init(&cdev->private->cmb_list);
if (list_empty(&cmb_area.list))
- cmf_activate(NULL, 0);
+ cmf_activate(NULL, CMF_OFF);
spin_unlock_irq(cdev->ccwlock);
spin_unlock(&cmb_area.lock);
}
@@ -1332,7 +1335,7 @@ void cmf_reactivate(void)
{
spin_lock(&cmb_area.lock);
if (!list_empty(&cmb_area.list))
- cmf_activate(cmb_area.mem, 1);
+ cmf_activate(cmb_area.mem, CMF_ON);
spin_unlock(&cmb_area.lock);
}
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 7ada078ff..6a58bc8f4 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -762,7 +762,6 @@ static int io_subchannel_initialize_dev(struct subchannel *sch,
priv->state = DEV_STATE_NOT_OPER;
priv->dev_id.devno = sch->schib.pmcw.dev;
priv->dev_id.ssid = sch->schid.ssid;
- priv->schid = sch->schid;
INIT_WORK(&priv->todo_work, ccw_device_todo);
INIT_LIST_HEAD(&priv->cmb_list);
@@ -1000,7 +999,6 @@ static int ccw_device_move_to_sch(struct ccw_device *cdev,
put_device(&old_sch->dev);
/* Initialize new subchannel. */
spin_lock_irq(sch->lock);
- cdev->private->schid = sch->schid;
cdev->ccwlock = sch->lock;
if (!sch_is_pseudo_sch(sch))
sch_set_cdev(sch, cdev);
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index a69f702a2..877d9f601 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -97,7 +97,7 @@ void ccw_device_clear_options(struct ccw_device *cdev, unsigned long flags)
}
/**
- * ccw_device_is_pathgroup - determine if paths to this device are grouped
+ * ccw_device_is_pathgroup() - determine if paths to this device are grouped
* @cdev: ccw device
*
* Return non-zero if there is a path group, zero otherwise.
@@ -109,7 +109,7 @@ int ccw_device_is_pathgroup(struct ccw_device *cdev)
EXPORT_SYMBOL(ccw_device_is_pathgroup);
/**
- * ccw_device_is_multipath - determine if device is operating in multipath mode
+ * ccw_device_is_multipath() - determine if device is operating in multipath mode
* @cdev: ccw device
*
* Return non-zero if device is operating in multipath mode, zero otherwise.
@@ -457,7 +457,7 @@ __u8 ccw_device_get_path_mask(struct ccw_device *cdev)
}
/**
- * chp_get_chp_desc - return newly allocated channel-path descriptor
+ * ccw_device_get_chp_desc() - return newly allocated channel-path descriptor
* @cdev: device to obtain the descriptor for
* @chp_idx: index of the channel path
*
@@ -477,7 +477,7 @@ struct channel_path_desc *ccw_device_get_chp_desc(struct ccw_device *cdev,
}
/**
- * ccw_device_get_id - obtain a ccw device id
+ * ccw_device_get_id() - obtain a ccw device id
* @cdev: device to obtain the id for
* @dev_id: where to fill in the values
*/
@@ -488,7 +488,7 @@ void ccw_device_get_id(struct ccw_device *cdev, struct ccw_dev_id *dev_id)
EXPORT_SYMBOL(ccw_device_get_id);
/**
- * ccw_device_tm_start_key - perform start function
+ * ccw_device_tm_start_key() - perform start function
* @cdev: ccw device on which to perform the start function
* @tcw: transport-command word to be started
* @intparm: user defined parameter to be passed to the interrupt handler
@@ -533,7 +533,7 @@ int ccw_device_tm_start_key(struct ccw_device *cdev, struct tcw *tcw,
EXPORT_SYMBOL(ccw_device_tm_start_key);
/**
- * ccw_device_tm_start_timeout_key - perform start function
+ * ccw_device_tm_start_timeout_key() - perform start function
* @cdev: ccw device on which to perform the start function
* @tcw: transport-command word to be started
* @intparm: user defined parameter to be passed to the interrupt handler
@@ -559,7 +559,7 @@ int ccw_device_tm_start_timeout_key(struct ccw_device *cdev, struct tcw *tcw,
EXPORT_SYMBOL(ccw_device_tm_start_timeout_key);
/**
- * ccw_device_tm_start - perform start function
+ * ccw_device_tm_start() - perform start function
* @cdev: ccw device on which to perform the start function
* @tcw: transport-command word to be started
* @intparm: user defined parameter to be passed to the interrupt handler
@@ -577,7 +577,7 @@ int ccw_device_tm_start(struct ccw_device *cdev, struct tcw *tcw,
EXPORT_SYMBOL(ccw_device_tm_start);
/**
- * ccw_device_tm_start_timeout - perform start function
+ * ccw_device_tm_start_timeout() - perform start function
* @cdev: ccw device on which to perform the start function
* @tcw: transport-command word to be started
* @intparm: user defined parameter to be passed to the interrupt handler
@@ -596,7 +596,7 @@ int ccw_device_tm_start_timeout(struct ccw_device *cdev, struct tcw *tcw,
EXPORT_SYMBOL(ccw_device_tm_start_timeout);
/**
- * ccw_device_get_mdc - accumulate max data count
+ * ccw_device_get_mdc() - accumulate max data count
* @cdev: ccw device for which the max data count is accumulated
* @mask: mask of paths to use
*
@@ -642,7 +642,7 @@ int ccw_device_get_mdc(struct ccw_device *cdev, u8 mask)
EXPORT_SYMBOL(ccw_device_get_mdc);
/**
- * ccw_device_tm_intrg - perform interrogate function
+ * ccw_device_tm_intrg() - perform interrogate function
* @cdev: ccw device on which to perform the interrogate function
*
* Perform an interrogate function on the given ccw device. Return zero on
@@ -664,7 +664,7 @@ int ccw_device_tm_intrg(struct ccw_device *cdev)
EXPORT_SYMBOL(ccw_device_tm_intrg);
/**
- * ccw_device_get_schid - obtain a subchannel id
+ * ccw_device_get_schid() - obtain a subchannel id
* @cdev: device to obtain the id for
* @schid: where to fill in the values
*/
diff --git a/drivers/s390/cio/device_status.c b/drivers/s390/cio/device_status.c
index 15b56a15d..9bc351237 100644
--- a/drivers/s390/cio/device_status.c
+++ b/drivers/s390/cio/device_status.c
@@ -26,6 +26,7 @@
static void
ccw_device_msg_control_check(struct ccw_device *cdev, struct irb *irb)
{
+ struct subchannel *sch = to_subchannel(cdev->dev.parent);
char dbf_text[15];
if (!scsw_is_valid_cstat(&irb->scsw) ||
@@ -36,10 +37,10 @@ ccw_device_msg_control_check(struct ccw_device *cdev, struct irb *irb)
"received"
" ... device %04x on subchannel 0.%x.%04x, dev_stat "
": %02X sch_stat : %02X\n",
- cdev->private->dev_id.devno, cdev->private->schid.ssid,
- cdev->private->schid.sch_no,
+ cdev->private->dev_id.devno, sch->schid.ssid,
+ sch->schid.sch_no,
scsw_dstat(&irb->scsw), scsw_cstat(&irb->scsw));
- sprintf(dbf_text, "chk%x", cdev->private->schid.sch_no);
+ sprintf(dbf_text, "chk%x", sch->schid.sch_no);
CIO_TRACE_EVENT(0, dbf_text);
CIO_HEX_EVENT(0, irb, sizeof(struct irb));
}
diff --git a/drivers/s390/cio/idset.h b/drivers/s390/cio/idset.h
index 22b581046..89a787790 100644
--- a/drivers/s390/cio/idset.h
+++ b/drivers/s390/cio/idset.h
@@ -4,7 +4,7 @@
*/
#ifndef S390_IDSET_H
-#define S390_IDSET_H S390_IDSET_H
+#define S390_IDSET_H
#include <asm/schid.h>
diff --git a/drivers/s390/cio/io_sch.h b/drivers/s390/cio/io_sch.h
index 8975060af..220f49145 100644
--- a/drivers/s390/cio/io_sch.h
+++ b/drivers/s390/cio/io_sch.h
@@ -120,7 +120,6 @@ struct ccw_device_private {
int state; /* device state */
atomic_t onoff;
struct ccw_dev_id dev_id; /* device id */
- struct subchannel_id schid; /* subchannel number */
struct ccw_request req; /* internal I/O request */
int iretry;
u8 pgid_valid_mask; /* mask of valid PGIDs */
diff --git a/drivers/s390/cio/ioasm.c b/drivers/s390/cio/ioasm.c
index 989848186..8225da619 100644
--- a/drivers/s390/cio/ioasm.c
+++ b/drivers/s390/cio/ioasm.c
@@ -12,7 +12,7 @@
#include "orb.h"
#include "cio.h"
-int stsch(struct subchannel_id schid, struct schib *addr)
+static inline int __stsch(struct subchannel_id schid, struct schib *addr)
{
register struct subchannel_id reg1 asm ("1") = schid;
int ccode = -EIO;
@@ -26,13 +26,21 @@ int stsch(struct subchannel_id schid, struct schib *addr)
: "+d" (ccode), "=m" (*addr)
: "d" (reg1), "a" (addr)
: "cc");
+ return ccode;
+}
+
+int stsch(struct subchannel_id schid, struct schib *addr)
+{
+ int ccode;
+
+ ccode = __stsch(schid, addr);
trace_s390_cio_stsch(schid, addr, ccode);
return ccode;
}
EXPORT_SYMBOL(stsch);
-int msch(struct subchannel_id schid, struct schib *addr)
+static inline int __msch(struct subchannel_id schid, struct schib *addr)
{
register struct subchannel_id reg1 asm ("1") = schid;
int ccode = -EIO;
@@ -46,12 +54,20 @@ int msch(struct subchannel_id schid, struct schib *addr)
: "+d" (ccode)
: "d" (reg1), "a" (addr), "m" (*addr)
: "cc");
+ return ccode;
+}
+
+int msch(struct subchannel_id schid, struct schib *addr)
+{
+ int ccode;
+
+ ccode = __msch(schid, addr);
trace_s390_cio_msch(schid, addr, ccode);
return ccode;
}
-int tsch(struct subchannel_id schid, struct irb *addr)
+static inline int __tsch(struct subchannel_id schid, struct irb *addr)
{
register struct subchannel_id reg1 asm ("1") = schid;
int ccode;
@@ -63,12 +79,20 @@ int tsch(struct subchannel_id schid, struct irb *addr)
: "=d" (ccode), "=m" (*addr)
: "d" (reg1), "a" (addr)
: "cc");
+ return ccode;
+}
+
+int tsch(struct subchannel_id schid, struct irb *addr)
+{
+ int ccode;
+
+ ccode = __tsch(schid, addr);
trace_s390_cio_tsch(schid, addr, ccode);
return ccode;
}
-int ssch(struct subchannel_id schid, union orb *addr)
+static inline int __ssch(struct subchannel_id schid, union orb *addr)
{
register struct subchannel_id reg1 asm("1") = schid;
int ccode = -EIO;
@@ -82,13 +106,21 @@ int ssch(struct subchannel_id schid, union orb *addr)
: "+d" (ccode)
: "d" (reg1), "a" (addr), "m" (*addr)
: "cc", "memory");
+ return ccode;
+}
+
+int ssch(struct subchannel_id schid, union orb *addr)
+{
+ int ccode;
+
+ ccode = __ssch(schid, addr);
trace_s390_cio_ssch(schid, addr, ccode);
return ccode;
}
EXPORT_SYMBOL(ssch);
-int csch(struct subchannel_id schid)
+static inline int __csch(struct subchannel_id schid)
{
register struct subchannel_id reg1 asm("1") = schid;
int ccode;
@@ -100,6 +132,14 @@ int csch(struct subchannel_id schid)
: "=d" (ccode)
: "d" (reg1)
: "cc");
+ return ccode;
+}
+
+int csch(struct subchannel_id schid)
+{
+ int ccode;
+
+ ccode = __csch(schid);
trace_s390_cio_csch(schid, ccode);
return ccode;
@@ -140,7 +180,7 @@ int chsc(void *chsc_area)
}
EXPORT_SYMBOL(chsc);
-int rchp(struct chp_id chpid)
+static inline int __rchp(struct chp_id chpid)
{
register struct chp_id reg1 asm ("1") = chpid;
int ccode;
@@ -151,12 +191,20 @@ int rchp(struct chp_id chpid)
" ipm %0\n"
" srl %0,28"
: "=d" (ccode) : "d" (reg1) : "cc");
+ return ccode;
+}
+
+int rchp(struct chp_id chpid)
+{
+ int ccode;
+
+ ccode = __rchp(chpid);
trace_s390_cio_rchp(chpid, ccode);
return ccode;
}
-int rsch(struct subchannel_id schid)
+static inline int __rsch(struct subchannel_id schid)
{
register struct subchannel_id reg1 asm("1") = schid;
int ccode;
@@ -168,12 +216,21 @@ int rsch(struct subchannel_id schid)
: "=d" (ccode)
: "d" (reg1)
: "cc", "memory");
+
+ return ccode;
+}
+
+int rsch(struct subchannel_id schid)
+{
+ int ccode;
+
+ ccode = __rsch(schid);
trace_s390_cio_rsch(schid, ccode);
return ccode;
}
-int hsch(struct subchannel_id schid)
+static inline int __hsch(struct subchannel_id schid)
{
register struct subchannel_id reg1 asm("1") = schid;
int ccode;
@@ -185,12 +242,20 @@ int hsch(struct subchannel_id schid)
: "=d" (ccode)
: "d" (reg1)
: "cc");
+ return ccode;
+}
+
+int hsch(struct subchannel_id schid)
+{
+ int ccode;
+
+ ccode = __hsch(schid);
trace_s390_cio_hsch(schid, ccode);
return ccode;
}
-int xsch(struct subchannel_id schid)
+static inline int __xsch(struct subchannel_id schid)
{
register struct subchannel_id reg1 asm("1") = schid;
int ccode;
@@ -202,6 +267,14 @@ int xsch(struct subchannel_id schid)
: "=d" (ccode)
: "d" (reg1)
: "cc");
+ return ccode;
+}
+
+int xsch(struct subchannel_id schid)
+{
+ int ccode;
+
+ ccode = __xsch(schid);
trace_s390_cio_xsch(schid, ccode);
return ccode;
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index 4bb5262f7..71bf9bded 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -686,6 +686,15 @@ static void qdio_kick_handler(struct qdio_q *q)
q->qdio_error = 0;
}
+static inline int qdio_tasklet_schedule(struct qdio_q *q)
+{
+ if (likely(q->irq_ptr->state == QDIO_IRQ_STATE_ACTIVE)) {
+ tasklet_schedule(&q->tasklet);
+ return 0;
+ }
+ return -EPERM;
+}
+
static void __qdio_inbound_processing(struct qdio_q *q)
{
qperf_inc(q, tasklet_inbound);
@@ -698,10 +707,8 @@ static void __qdio_inbound_processing(struct qdio_q *q)
if (!qdio_inbound_q_done(q)) {
/* means poll time is not yet over */
qperf_inc(q, tasklet_inbound_resched);
- if (likely(q->irq_ptr->state != QDIO_IRQ_STATE_STOPPED)) {
- tasklet_schedule(&q->tasklet);
+ if (!qdio_tasklet_schedule(q))
return;
- }
}
qdio_stop_polling(q);
@@ -711,8 +718,7 @@ static void __qdio_inbound_processing(struct qdio_q *q)
*/
if (!qdio_inbound_q_done(q)) {
qperf_inc(q, tasklet_inbound_resched2);
- if (likely(q->irq_ptr->state != QDIO_IRQ_STATE_STOPPED))
- tasklet_schedule(&q->tasklet);
+ qdio_tasklet_schedule(q);
}
}
@@ -869,16 +875,15 @@ static void __qdio_outbound_processing(struct qdio_q *q)
* is noticed and outbound_handler is called after some time.
*/
if (qdio_outbound_q_done(q))
- del_timer(&q->u.out.timer);
+ del_timer_sync(&q->u.out.timer);
else
- if (!timer_pending(&q->u.out.timer))
+ if (!timer_pending(&q->u.out.timer) &&
+ likely(q->irq_ptr->state == QDIO_IRQ_STATE_ACTIVE))
mod_timer(&q->u.out.timer, jiffies + 10 * HZ);
return;
sched:
- if (unlikely(q->irq_ptr->state == QDIO_IRQ_STATE_STOPPED))
- return;
- tasklet_schedule(&q->tasklet);
+ qdio_tasklet_schedule(q);
}
/* outbound tasklet */
@@ -892,9 +897,7 @@ void qdio_outbound_timer(unsigned long data)
{
struct qdio_q *q = (struct qdio_q *)data;
- if (unlikely(q->irq_ptr->state == QDIO_IRQ_STATE_STOPPED))
- return;
- tasklet_schedule(&q->tasklet);
+ qdio_tasklet_schedule(q);
}
static inline void qdio_check_outbound_after_thinint(struct qdio_q *q)
@@ -907,7 +910,7 @@ static inline void qdio_check_outbound_after_thinint(struct qdio_q *q)
for_each_output_queue(q->irq_ptr, out, i)
if (!qdio_outbound_q_done(out))
- tasklet_schedule(&out->tasklet);
+ qdio_tasklet_schedule(out);
}
static void __tiqdio_inbound_processing(struct qdio_q *q)
@@ -929,10 +932,8 @@ static void __tiqdio_inbound_processing(struct qdio_q *q)
if (!qdio_inbound_q_done(q)) {
qperf_inc(q, tasklet_inbound_resched);
- if (likely(q->irq_ptr->state != QDIO_IRQ_STATE_STOPPED)) {
- tasklet_schedule(&q->tasklet);
+ if (!qdio_tasklet_schedule(q))
return;
- }
}
qdio_stop_polling(q);
@@ -942,8 +943,7 @@ static void __tiqdio_inbound_processing(struct qdio_q *q)
*/
if (!qdio_inbound_q_done(q)) {
qperf_inc(q, tasklet_inbound_resched2);
- if (likely(q->irq_ptr->state != QDIO_IRQ_STATE_STOPPED))
- tasklet_schedule(&q->tasklet);
+ qdio_tasklet_schedule(q);
}
}
@@ -977,7 +977,7 @@ static void qdio_int_handler_pci(struct qdio_irq *irq_ptr)
int i;
struct qdio_q *q;
- if (unlikely(irq_ptr->state == QDIO_IRQ_STATE_STOPPED))
+ if (unlikely(irq_ptr->state != QDIO_IRQ_STATE_ACTIVE))
return;
for_each_input_queue(irq_ptr, q, i) {
@@ -1003,7 +1003,7 @@ static void qdio_int_handler_pci(struct qdio_irq *irq_ptr)
continue;
if (need_siga_sync(q) && need_siga_sync_out_after_pci(q))
qdio_siga_sync_q(q);
- tasklet_schedule(&q->tasklet);
+ qdio_tasklet_schedule(q);
}
}
@@ -1066,10 +1066,12 @@ void qdio_int_handler(struct ccw_device *cdev, unsigned long intparm,
struct irb *irb)
{
struct qdio_irq *irq_ptr = cdev->private->qdio_data;
+ struct subchannel_id schid;
int cstat, dstat;
if (!intparm || !irq_ptr) {
- DBF_ERROR("qint:%4x", cdev->private->schid.sch_no);
+ ccw_device_get_schid(cdev, &schid);
+ DBF_ERROR("qint:%4x", schid.sch_no);
return;
}
@@ -1122,12 +1124,14 @@ void qdio_int_handler(struct ccw_device *cdev, unsigned long intparm,
int qdio_get_ssqd_desc(struct ccw_device *cdev,
struct qdio_ssqd_desc *data)
{
+ struct subchannel_id schid;
if (!cdev || !cdev->private)
return -EINVAL;
- DBF_EVENT("get ssqd:%4x", cdev->private->schid.sch_no);
- return qdio_setup_get_ssqd(NULL, &cdev->private->schid, data);
+ ccw_device_get_schid(cdev, &schid);
+ DBF_EVENT("get ssqd:%4x", schid.sch_no);
+ return qdio_setup_get_ssqd(NULL, &schid, data);
}
EXPORT_SYMBOL_GPL(qdio_get_ssqd_desc);
@@ -1141,7 +1145,7 @@ static void qdio_shutdown_queues(struct ccw_device *cdev)
tasklet_kill(&q->tasklet);
for_each_output_queue(irq_ptr, q, i) {
- del_timer(&q->u.out.timer);
+ del_timer_sync(&q->u.out.timer);
tasklet_kill(&q->tasklet);
}
}
@@ -1154,14 +1158,15 @@ static void qdio_shutdown_queues(struct ccw_device *cdev)
int qdio_shutdown(struct ccw_device *cdev, int how)
{
struct qdio_irq *irq_ptr = cdev->private->qdio_data;
+ struct subchannel_id schid;
int rc;
- unsigned long flags;
if (!irq_ptr)
return -ENODEV;
WARN_ON_ONCE(irqs_disabled());
- DBF_EVENT("qshutdown:%4x", cdev->private->schid.sch_no);
+ ccw_device_get_schid(cdev, &schid);
+ DBF_EVENT("qshutdown:%4x", schid.sch_no);
mutex_lock(&irq_ptr->setup_mutex);
/*
@@ -1184,7 +1189,7 @@ int qdio_shutdown(struct ccw_device *cdev, int how)
qdio_shutdown_debug_entries(irq_ptr);
/* cleanup subchannel */
- spin_lock_irqsave(get_ccwdev_lock(cdev), flags);
+ spin_lock_irq(get_ccwdev_lock(cdev));
if (how & QDIO_FLAG_CLEANUP_USING_CLEAR)
rc = ccw_device_clear(cdev, QDIO_DOING_CLEANUP);
@@ -1198,12 +1203,12 @@ int qdio_shutdown(struct ccw_device *cdev, int how)
}
qdio_set_state(irq_ptr, QDIO_IRQ_STATE_CLEANUP);
- spin_unlock_irqrestore(get_ccwdev_lock(cdev), flags);
+ spin_unlock_irq(get_ccwdev_lock(cdev));
wait_event_interruptible_timeout(cdev->private->wait_q,
irq_ptr->state == QDIO_IRQ_STATE_INACTIVE ||
irq_ptr->state == QDIO_IRQ_STATE_ERR,
10 * HZ);
- spin_lock_irqsave(get_ccwdev_lock(cdev), flags);
+ spin_lock_irq(get_ccwdev_lock(cdev));
no_cleanup:
qdio_shutdown_thinint(irq_ptr);
@@ -1211,7 +1216,7 @@ no_cleanup:
/* restore interrupt handler */
if ((void *)cdev->handler == (void *)qdio_int_handler)
cdev->handler = irq_ptr->orig_handler;
- spin_unlock_irqrestore(get_ccwdev_lock(cdev), flags);
+ spin_unlock_irq(get_ccwdev_lock(cdev));
qdio_set_state(irq_ptr, QDIO_IRQ_STATE_INACTIVE);
mutex_unlock(&irq_ptr->setup_mutex);
@@ -1228,11 +1233,13 @@ EXPORT_SYMBOL_GPL(qdio_shutdown);
int qdio_free(struct ccw_device *cdev)
{
struct qdio_irq *irq_ptr = cdev->private->qdio_data;
+ struct subchannel_id schid;
if (!irq_ptr)
return -ENODEV;
- DBF_EVENT("qfree:%4x", cdev->private->schid.sch_no);
+ ccw_device_get_schid(cdev, &schid);
+ DBF_EVENT("qfree:%4x", schid.sch_no);
DBF_DEV_EVENT(DBF_ERR, irq_ptr, "dbf abandoned");
mutex_lock(&irq_ptr->setup_mutex);
@@ -1251,9 +1258,11 @@ EXPORT_SYMBOL_GPL(qdio_free);
*/
int qdio_allocate(struct qdio_initialize *init_data)
{
+ struct subchannel_id schid;
struct qdio_irq *irq_ptr;
- DBF_EVENT("qallocate:%4x", init_data->cdev->private->schid.sch_no);
+ ccw_device_get_schid(init_data->cdev, &schid);
+ DBF_EVENT("qallocate:%4x", schid.sch_no);
if ((init_data->no_input_qs && !init_data->input_handler) ||
(init_data->no_output_qs && !init_data->output_handler))
@@ -1331,20 +1340,18 @@ static void qdio_detect_hsicq(struct qdio_irq *irq_ptr)
*/
int qdio_establish(struct qdio_initialize *init_data)
{
- struct qdio_irq *irq_ptr;
struct ccw_device *cdev = init_data->cdev;
- unsigned long saveflags;
+ struct subchannel_id schid;
+ struct qdio_irq *irq_ptr;
int rc;
- DBF_EVENT("qestablish:%4x", cdev->private->schid.sch_no);
+ ccw_device_get_schid(cdev, &schid);
+ DBF_EVENT("qestablish:%4x", schid.sch_no);
irq_ptr = cdev->private->qdio_data;
if (!irq_ptr)
return -ENODEV;
- if (cdev->private->state != DEV_STATE_ONLINE)
- return -EINVAL;
-
mutex_lock(&irq_ptr->setup_mutex);
qdio_setup_irq(init_data);
@@ -1361,17 +1368,14 @@ int qdio_establish(struct qdio_initialize *init_data)
irq_ptr->ccw.count = irq_ptr->equeue.count;
irq_ptr->ccw.cda = (u32)((addr_t)irq_ptr->qdr);
- spin_lock_irqsave(get_ccwdev_lock(cdev), saveflags);
+ spin_lock_irq(get_ccwdev_lock(cdev));
ccw_device_set_options_mask(cdev, 0);
rc = ccw_device_start(cdev, &irq_ptr->ccw, QDIO_DOING_ESTABLISH, 0, 0);
+ spin_unlock_irq(get_ccwdev_lock(cdev));
if (rc) {
DBF_ERROR("%4x est IO ERR", irq_ptr->schid.sch_no);
DBF_ERROR("rc:%4x", rc);
- }
- spin_unlock_irqrestore(get_ccwdev_lock(cdev), saveflags);
-
- if (rc) {
mutex_unlock(&irq_ptr->setup_mutex);
qdio_shutdown(cdev, QDIO_FLAG_CLEANUP_USING_CLEAR);
return rc;
@@ -1407,19 +1411,17 @@ EXPORT_SYMBOL_GPL(qdio_establish);
*/
int qdio_activate(struct ccw_device *cdev)
{
+ struct subchannel_id schid;
struct qdio_irq *irq_ptr;
int rc;
- unsigned long saveflags;
- DBF_EVENT("qactivate:%4x", cdev->private->schid.sch_no);
+ ccw_device_get_schid(cdev, &schid);
+ DBF_EVENT("qactivate:%4x", schid.sch_no);
irq_ptr = cdev->private->qdio_data;
if (!irq_ptr)
return -ENODEV;
- if (cdev->private->state != DEV_STATE_ONLINE)
- return -EINVAL;
-
mutex_lock(&irq_ptr->setup_mutex);
if (irq_ptr->state == QDIO_IRQ_STATE_INACTIVE) {
rc = -EBUSY;
@@ -1431,19 +1433,17 @@ int qdio_activate(struct ccw_device *cdev)
irq_ptr->ccw.count = irq_ptr->aqueue.count;
irq_ptr->ccw.cda = 0;
- spin_lock_irqsave(get_ccwdev_lock(cdev), saveflags);
+ spin_lock_irq(get_ccwdev_lock(cdev));
ccw_device_set_options(cdev, CCWDEV_REPORT_ALL);
rc = ccw_device_start(cdev, &irq_ptr->ccw, QDIO_DOING_ACTIVATE,
0, DOIO_DENY_PREFETCH);
+ spin_unlock_irq(get_ccwdev_lock(cdev));
if (rc) {
DBF_ERROR("%4x act IO ERR", irq_ptr->schid.sch_no);
DBF_ERROR("rc:%4x", rc);
- }
- spin_unlock_irqrestore(get_ccwdev_lock(cdev), saveflags);
-
- if (rc)
goto out;
+ }
if (is_thinint_irq(irq_ptr))
tiqdio_add_input_queues(irq_ptr);
@@ -1585,10 +1585,11 @@ static int handle_outbound(struct qdio_q *q, unsigned int callflags,
/* in case of SIGA errors we must process the error immediately */
if (used >= q->u.out.scan_threshold || rc)
- tasklet_schedule(&q->tasklet);
+ qdio_tasklet_schedule(q);
else
/* free the SBALs in case of no further traffic */
- if (!timer_pending(&q->u.out.timer))
+ if (!timer_pending(&q->u.out.timer) &&
+ likely(q->irq_ptr->state == QDIO_IRQ_STATE_ACTIVE))
mod_timer(&q->u.out.timer, jiffies + HZ);
return rc;
}
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 327255da1..ed92fb09f 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -169,6 +169,19 @@ static int ap_configuration_available(void)
return test_facility(12);
}
+static inline struct ap_queue_status
+__pqap_tapq(ap_qid_t qid, unsigned long *info)
+{
+ register unsigned long reg0 asm ("0") = qid;
+ register struct ap_queue_status reg1 asm ("1");
+ register unsigned long reg2 asm ("2") = 0UL;
+
+ asm volatile(".long 0xb2af0000" /* PQAP(TAPQ) */
+ : "+d" (reg0), "=d" (reg1), "+d" (reg2) : : "cc");
+ *info = reg2;
+ return reg1;
+}
+
/**
* ap_test_queue(): Test adjunct processor queue.
* @qid: The AP queue number
@@ -179,17 +192,15 @@ static int ap_configuration_available(void)
static inline struct ap_queue_status
ap_test_queue(ap_qid_t qid, unsigned long *info)
{
- register unsigned long reg0 asm ("0") = qid;
- register struct ap_queue_status reg1 asm ("1");
- register unsigned long reg2 asm ("2") = 0UL;
+ struct ap_queue_status aqs;
+ unsigned long _info;
if (test_facility(15))
- reg0 |= 1UL << 23; /* set APFT T bit*/
- asm volatile(".long 0xb2af0000" /* PQAP(TAPQ) */
- : "+d" (reg0), "=d" (reg1), "+d" (reg2) : : "cc");
+ qid |= 1UL << 23; /* set APFT T bit*/
+ aqs = __pqap_tapq(qid, &_info);
if (info)
- *info = reg2;
- return reg1;
+ *info = _info;
+ return aqs;
}
/**
@@ -237,14 +248,12 @@ ap_queue_interruption_control(ap_qid_t qid, void *ind)
*
* Returns 0 on success, or -EOPNOTSUPP.
*/
-static inline int ap_query_configuration(void)
+static inline int __ap_query_configuration(void)
{
register unsigned long reg0 asm ("0") = 0x04000000UL;
register unsigned long reg1 asm ("1") = -EINVAL;
register void *reg2 asm ("2") = (void *) ap_configuration;
- if (!ap_configuration)
- return -EOPNOTSUPP;
asm volatile(
".long 0xb2af0000\n" /* PQAP(QCI) */
"0: la %1,0\n"
@@ -257,6 +266,13 @@ static inline int ap_query_configuration(void)
return reg1;
}
+static inline int ap_query_configuration(void)
+{
+ if (!ap_configuration)
+ return -EOPNOTSUPP;
+ return __ap_query_configuration();
+}
+
/**
* ap_init_configuration(): Allocate and query configuration array.
*/
@@ -346,6 +362,26 @@ static int ap_queue_enable_interruption(struct ap_device *ap_dev, void *ind)
}
}
+static inline struct ap_queue_status
+__nqap(ap_qid_t qid, unsigned long long psmid, void *msg, size_t length)
+{
+ typedef struct { char _[length]; } msgblock;
+ register unsigned long reg0 asm ("0") = qid | 0x40000000UL;
+ register struct ap_queue_status reg1 asm ("1");
+ register unsigned long reg2 asm ("2") = (unsigned long) msg;
+ register unsigned long reg3 asm ("3") = (unsigned long) length;
+ register unsigned long reg4 asm ("4") = (unsigned int) (psmid >> 32);
+ register unsigned long reg5 asm ("5") = psmid & 0xffffffff;
+
+ asm volatile (
+ "0: .long 0xb2ad0042\n" /* NQAP */
+ " brc 2,0b"
+ : "+d" (reg0), "=d" (reg1), "+d" (reg2), "+d" (reg3)
+ : "d" (reg4), "d" (reg5), "m" (*(msgblock *) msg)
+ : "cc");
+ return reg1;
+}
+
/**
* __ap_send(): Send message to adjunct processor queue.
* @qid: The AP queue number
@@ -363,24 +399,9 @@ static inline struct ap_queue_status
__ap_send(ap_qid_t qid, unsigned long long psmid, void *msg, size_t length,
unsigned int special)
{
- typedef struct { char _[length]; } msgblock;
- register unsigned long reg0 asm ("0") = qid | 0x40000000UL;
- register struct ap_queue_status reg1 asm ("1");
- register unsigned long reg2 asm ("2") = (unsigned long) msg;
- register unsigned long reg3 asm ("3") = (unsigned long) length;
- register unsigned long reg4 asm ("4") = (unsigned int) (psmid >> 32);
- register unsigned long reg5 asm ("5") = psmid & 0xffffffff;
-
if (special == 1)
- reg0 |= 0x400000UL;
-
- asm volatile (
- "0: .long 0xb2ad0042\n" /* NQAP */
- " brc 2,0b"
- : "+d" (reg0), "=d" (reg1), "+d" (reg2), "+d" (reg3)
- : "d" (reg4), "d" (reg5), "m" (*(msgblock *) msg)
- : "cc" );
- return reg1;
+ qid |= 0x400000UL;
+ return __nqap(qid, psmid, msg, length);
}
int ap_send(ap_qid_t qid, unsigned long long psmid, void *msg, size_t length)
@@ -447,6 +468,8 @@ int ap_recv(ap_qid_t qid, unsigned long long *psmid, void *msg, size_t length)
{
struct ap_queue_status status;
+ if (msg == NULL)
+ return -EINVAL;
status = __ap_recv(qid, psmid, msg, length);
switch (status.response_code) {
case AP_RESPONSE_NORMAL:
@@ -596,6 +619,8 @@ static enum ap_wait ap_sm_read(struct ap_device *ap_dev)
{
struct ap_queue_status status;
+ if (!ap_dev->reply)
+ return AP_WAIT_NONE;
status = ap_sm_recv(ap_dev);
switch (status.response_code) {
case AP_RESPONSE_NORMAL:
@@ -617,6 +642,31 @@ static enum ap_wait ap_sm_read(struct ap_device *ap_dev)
}
/**
+ * ap_sm_suspend_read(): Receive pending reply messages from an AP device
+ * without changing the device state in between. In suspend mode we don't
+ * allow sending new requests, therefore just fetch pending replies.
+ * @ap_dev: pointer to the AP device
+ *
+ * Returns AP_WAIT_NONE or AP_WAIT_AGAIN
+ */
+static enum ap_wait ap_sm_suspend_read(struct ap_device *ap_dev)
+{
+ struct ap_queue_status status;
+
+ if (!ap_dev->reply)
+ return AP_WAIT_NONE;
+ status = ap_sm_recv(ap_dev);
+ switch (status.response_code) {
+ case AP_RESPONSE_NORMAL:
+ if (ap_dev->queue_count > 0)
+ return AP_WAIT_AGAIN;
+ /* fall through */
+ default:
+ return AP_WAIT_NONE;
+ }
+}
+
+/**
* ap_sm_write(): Send messages from the request queue to an AP device.
* @ap_dev: pointer to the AP device
*
@@ -717,7 +767,7 @@ static enum ap_wait ap_sm_reset_wait(struct ap_device *ap_dev)
struct ap_queue_status status;
unsigned long info;
- if (ap_dev->queue_count > 0)
+ if (ap_dev->queue_count > 0 && ap_dev->reply)
/* Try to read a completed message and get the status */
status = ap_sm_recv(ap_dev);
else
@@ -757,7 +807,7 @@ static enum ap_wait ap_sm_setirq_wait(struct ap_device *ap_dev)
struct ap_queue_status status;
unsigned long info;
- if (ap_dev->queue_count > 0)
+ if (ap_dev->queue_count > 0 && ap_dev->reply)
/* Try to read a completed message and get the status */
status = ap_sm_recv(ap_dev);
else
@@ -813,7 +863,7 @@ static ap_func_t *ap_jumptable[NR_AP_STATES][NR_AP_EVENTS] = {
[AP_EVENT_TIMEOUT] = ap_sm_reset,
},
[AP_STATE_SUSPEND_WAIT] = {
- [AP_EVENT_POLL] = ap_sm_read,
+ [AP_EVENT_POLL] = ap_sm_suspend_read,
[AP_EVENT_TIMEOUT] = ap_sm_nop,
},
[AP_STATE_BORKED] = {
@@ -1314,6 +1364,17 @@ static struct bus_type ap_bus_type = {
.resume = ap_dev_resume,
};
+void ap_device_init_reply(struct ap_device *ap_dev,
+ struct ap_message *reply)
+{
+ ap_dev->reply = reply;
+
+ spin_lock_bh(&ap_dev->lock);
+ ap_sm_wait(ap_sm_event(ap_dev, AP_EVENT_POLL));
+ spin_unlock_bh(&ap_dev->lock);
+}
+EXPORT_SYMBOL(ap_device_init_reply);
+
static int ap_device_probe(struct device *dev)
{
struct ap_device *ap_dev = to_ap_dev(dev);
@@ -1758,7 +1819,8 @@ int __init ap_module_init(void)
if (ap_domain_index < -1 || ap_domain_index > max_domain_id) {
pr_warn("%d is not a valid cryptographic domain\n",
ap_domain_index);
- return -EINVAL;
+ rc = -EINVAL;
+ goto out_free;
}
/* In resume callback we need to know if the user had set the domain.
* If so, we can not just reset it.
@@ -1831,6 +1893,7 @@ out:
unregister_reset_call(&ap_reset_call);
if (ap_using_interrupts())
unregister_adapter_interrupt(&ap_airq);
+out_free:
kfree(ap_configuration);
return rc;
}
diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h
index 6adcbdf22..d7fdf5c02 100644
--- a/drivers/s390/crypto/ap_bus.h
+++ b/drivers/s390/crypto/ap_bus.h
@@ -262,6 +262,7 @@ void ap_queue_message(struct ap_device *ap_dev, struct ap_message *ap_msg);
void ap_cancel_message(struct ap_device *ap_dev, struct ap_message *ap_msg);
void ap_flush_queue(struct ap_device *ap_dev);
void ap_bus_force_rescan(void);
+void ap_device_init_reply(struct ap_device *ap_dev, struct ap_message *ap_msg);
int ap_module_init(void);
void ap_module_exit(void);
diff --git a/drivers/s390/crypto/zcrypt_cex2a.c b/drivers/s390/crypto/zcrypt_cex2a.c
index 1e849d6e1..15104aaa0 100644
--- a/drivers/s390/crypto/zcrypt_cex2a.c
+++ b/drivers/s390/crypto/zcrypt_cex2a.c
@@ -126,7 +126,7 @@ static int zcrypt_cex2a_probe(struct ap_device *ap_dev)
MSGTYPE50_VARIANT_DEFAULT);
zdev->ap_dev = ap_dev;
zdev->online = 1;
- ap_dev->reply = &zdev->reply;
+ ap_device_init_reply(ap_dev, &zdev->reply);
ap_dev->private = zdev;
rc = zcrypt_device_register(zdev);
if (rc) {
diff --git a/drivers/s390/crypto/zcrypt_cex4.c b/drivers/s390/crypto/zcrypt_cex4.c
index bb3908818..ccb2e78eb 100644
--- a/drivers/s390/crypto/zcrypt_cex4.c
+++ b/drivers/s390/crypto/zcrypt_cex4.c
@@ -147,7 +147,7 @@ static int zcrypt_cex4_probe(struct ap_device *ap_dev)
return -ENODEV;
zdev->ap_dev = ap_dev;
zdev->online = 1;
- ap_dev->reply = &zdev->reply;
+ ap_device_init_reply(ap_dev, &zdev->reply);
ap_dev->private = zdev;
rc = zcrypt_device_register(zdev);
if (rc) {
diff --git a/drivers/s390/crypto/zcrypt_pcixcc.c b/drivers/s390/crypto/zcrypt_pcixcc.c
index f41852768..df8f0c4da 100644
--- a/drivers/s390/crypto/zcrypt_pcixcc.c
+++ b/drivers/s390/crypto/zcrypt_pcixcc.c
@@ -327,7 +327,7 @@ static int zcrypt_pcixcc_probe(struct ap_device *ap_dev)
else
zdev->ops = zcrypt_msgtype_request(MSGTYPE06_NAME,
MSGTYPE06_VARIANT_NORNG);
- ap_dev->reply = &zdev->reply;
+ ap_device_init_reply(ap_dev, &zdev->reply);
ap_dev->private = zdev;
rc = zcrypt_device_register(zdev);
if (rc)
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index ec2e014e8..6d4b68c48 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -19,6 +19,7 @@
#include <linux/seq_file.h>
#include <linux/ethtool.h>
#include <linux/hashtable.h>
+#include <linux/ip.h>
#include <net/ipv6.h>
#include <net/if_inet6.h>
@@ -144,6 +145,7 @@ struct qeth_perf_stats {
unsigned int sg_alloc_page_rx;
unsigned int tx_csum;
unsigned int tx_lin;
+ unsigned int tx_linfail;
};
/* Routing stuff */
@@ -559,7 +561,6 @@ enum qeth_ip_types {
QETH_IP_TYPE_NORMAL,
QETH_IP_TYPE_VIPA,
QETH_IP_TYPE_RXIP,
- QETH_IP_TYPE_DEL_ALL_MC,
};
enum qeth_cmd_buffer_state {
@@ -740,17 +741,10 @@ struct qeth_vlan_vid {
unsigned short vid;
};
-enum qeth_mac_disposition {
- QETH_DISP_MAC_DELETE = 0,
- QETH_DISP_MAC_DO_NOTHING = 1,
- QETH_DISP_MAC_ADD = 2,
-};
-
-struct qeth_mac {
- u8 mac_addr[OSA_ADDR_LEN];
- u8 is_uc:1;
- u8 disp_flag:2;
- struct hlist_node hnode;
+enum qeth_addr_disposition {
+ QETH_DISP_ADDR_DELETE = 0,
+ QETH_DISP_ADDR_DO_NOTHING = 1,
+ QETH_DISP_ADDR_ADD = 2,
};
struct qeth_rx {
@@ -798,6 +792,8 @@ struct qeth_card {
unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
struct list_head vid_list;
DECLARE_HASHTABLE(mac_htable, 4);
+ DECLARE_HASHTABLE(ip_htable, 4);
+ DECLARE_HASHTABLE(ip_mc_htable, 4);
struct work_struct kernel_thread_starter;
spinlock_t thread_mask_lock;
unsigned long thread_start_mask;
@@ -805,8 +801,6 @@ struct qeth_card {
unsigned long thread_running_mask;
struct task_struct *recovery_task;
spinlock_t ip_lock;
- struct list_head ip_list;
- struct list_head *ip_tbd_list;
struct qeth_ipato ipato;
struct list_head cmd_waiter_list;
/* QDIO buffer handling */
@@ -844,6 +838,19 @@ struct qeth_trap_id {
/*some helper functions*/
#define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
+/**
+ * qeth_get_elements_for_range() - find number of SBALEs to cover range.
+ * @start: Start of the address range.
+ * @end: Address after the end of the range.
+ *
+ * Returns the number of pages, and thus QDIO buffer elements, needed to cover
+ * the specified address range.
+ */
+static inline int qeth_get_elements_for_range(addr_t start, addr_t end)
+{
+ return PFN_UP(end - 1) - PFN_DOWN(start);
+}
+
static inline int qeth_get_micros(void)
{
return (int) (get_tod_clock() >> 12);
@@ -865,6 +872,11 @@ static inline int qeth_get_ip_version(struct sk_buff *skb)
}
}
+static inline int qeth_get_ip_protocol(struct sk_buff *skb)
+{
+ return ip_hdr(skb)->protocol;
+}
+
static inline void qeth_put_buffer_pool_entry(struct qeth_card *card,
struct qeth_buffer_pool_entry *entry)
{
@@ -981,12 +993,14 @@ int qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *, __u16,
int (*reply_cb)(struct qeth_card *,
struct qeth_reply *, unsigned long),
void *);
+int qeth_setassparms_cb(struct qeth_card *, struct qeth_reply *, unsigned long);
struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *,
enum qeth_ipa_funcs,
__u16, __u16,
enum qeth_prot_versions);
-int qeth_start_ipa_tx_checksum(struct qeth_card *);
-int qeth_set_rx_csum(struct qeth_card *, int);
+int qeth_set_features(struct net_device *, netdev_features_t);
+int qeth_recover_features(struct net_device *);
+netdev_features_t qeth_fix_features(struct net_device *, netdev_features_t);
/* 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 b7b74776e..20cf29613 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -1464,8 +1464,6 @@ static int qeth_setup_card(struct qeth_card *card)
card->thread_allowed_mask = 0;
card->thread_running_mask = 0;
INIT_WORK(&card->kernel_thread_starter, qeth_start_kernel_thread);
- INIT_LIST_HEAD(&card->ip_list);
- INIT_LIST_HEAD(card->ip_tbd_list);
INIT_LIST_HEAD(&card->cmd_waiter_list);
init_waitqueue_head(&card->wait_q);
/* initial options */
@@ -1500,11 +1498,6 @@ static struct qeth_card *qeth_alloc_card(void)
if (!card)
goto out;
QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *));
- card->ip_tbd_list = kzalloc(sizeof(struct list_head), GFP_KERNEL);
- if (!card->ip_tbd_list) {
- QETH_DBF_TEXT(SETUP, 0, "iptbdnom");
- goto out_card;
- }
if (qeth_setup_channel(&card->read))
goto out_ip;
if (qeth_setup_channel(&card->write))
@@ -1517,8 +1510,6 @@ static struct qeth_card *qeth_alloc_card(void)
out_channel:
qeth_clean_channel(&card->read);
out_ip:
- kfree(card->ip_tbd_list);
-out_card:
kfree(card);
out:
return NULL;
@@ -3628,7 +3619,8 @@ static void qeth_qdio_cq_handler(struct qeth_card *card,
int e;
e = 0;
- while (buffer->element[e].addr) {
+ while ((e < QDIO_MAX_ELEMENTS_PER_BUFFER) &&
+ buffer->element[e].addr) {
unsigned long phys_aob_addr;
phys_aob_addr = (unsigned long) buffer->element[e].addr;
@@ -3757,6 +3749,14 @@ void qeth_qdio_output_handler(struct ccw_device *ccwdev,
}
EXPORT_SYMBOL_GPL(qeth_qdio_output_handler);
+/* We cannot use outbound queue 3 for unicast packets on HiperSockets */
+static inline int qeth_cut_iqd_prio(struct qeth_card *card, int queue_num)
+{
+ if ((card->info.type == QETH_CARD_TYPE_IQD) && (queue_num == 3))
+ return 2;
+ return queue_num;
+}
+
/**
* Note: Function assumes that we have 4 outbound queues.
*/
@@ -3784,9 +3784,9 @@ int qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb,
return card->qdio.default_out_queue;
}
if (card->qdio.do_prio_queueing == QETH_PRIO_Q_ING_PREC)
- return ~tos >> 6 & 3;
+ return qeth_cut_iqd_prio(card, ~tos >> 6 & 3);
if (tos & IPTOS_MINCOST)
- return 3;
+ return qeth_cut_iqd_prio(card, 3);
if (tos & IPTOS_RELIABILITY)
return 2;
if (tos & IPTOS_THROUGHPUT)
@@ -3797,11 +3797,12 @@ int qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb,
case QETH_PRIO_Q_ING_SKB:
if (skb->priority > 5)
return 0;
- return ~skb->priority >> 1 & 3;
+ return qeth_cut_iqd_prio(card, ~skb->priority >> 1 & 3);
case QETH_PRIO_Q_ING_VLAN:
tci = &((struct ethhdr *)skb->data)->h_proto;
if (*tci == ETH_P_8021Q)
- return ~*(tci + 1) >> (VLAN_PRIO_SHIFT + 1) & 3;
+ return qeth_cut_iqd_prio(card, ~*(tci + 1) >>
+ (VLAN_PRIO_SHIFT + 1) & 3);
break;
default:
break;
@@ -3810,41 +3811,54 @@ int qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb,
}
EXPORT_SYMBOL_GPL(qeth_get_priority_queue);
+/**
+ * qeth_get_elements_for_frags() - find number of SBALEs for skb frags.
+ * @skb: SKB address
+ *
+ * Returns the number of pages, and thus QDIO buffer elements, needed to cover
+ * fragmented part of the SKB. Returns zero for linear SKB.
+ */
int qeth_get_elements_for_frags(struct sk_buff *skb)
{
- int cnt, length, e, elements = 0;
- struct skb_frag_struct *frag;
- char *data;
+ int cnt, elements = 0;
for (cnt = 0; cnt < skb_shinfo(skb)->nr_frags; cnt++) {
- frag = &skb_shinfo(skb)->frags[cnt];
- data = (char *)page_to_phys(skb_frag_page(frag)) +
- frag->page_offset;
- length = frag->size;
- e = PFN_UP((unsigned long)data + length - 1) -
- PFN_DOWN((unsigned long)data);
- elements += e;
+ struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[cnt];
+
+ elements += qeth_get_elements_for_range(
+ (addr_t)skb_frag_address(frag),
+ (addr_t)skb_frag_address(frag) + skb_frag_size(frag));
}
return elements;
}
EXPORT_SYMBOL_GPL(qeth_get_elements_for_frags);
+/**
+ * qeth_get_elements_no() - find number of SBALEs for skb data, inc. frags.
+ * @card: qeth card structure, to check max. elems.
+ * @skb: SKB address
+ * @extra_elems: extra elems needed, to check against max.
+ *
+ * Returns the number of pages, and thus QDIO buffer elements, needed to cover
+ * skb data, including linear part and fragments. Checks if the result plus
+ * extra_elems fits under the limit for the card. Returns 0 if it does not.
+ * Note: extra_elems is not included in the returned result.
+ */
int qeth_get_elements_no(struct qeth_card *card,
- struct sk_buff *skb, int elems)
+ struct sk_buff *skb, int extra_elems)
{
- int dlen = skb->len - skb->data_len;
- int elements_needed = PFN_UP((unsigned long)skb->data + dlen - 1) -
- PFN_DOWN((unsigned long)skb->data);
-
- elements_needed += qeth_get_elements_for_frags(skb);
+ int elements = qeth_get_elements_for_range(
+ (addr_t)skb->data,
+ (addr_t)skb->data + skb_headlen(skb)) +
+ qeth_get_elements_for_frags(skb);
- if ((elements_needed + elems) > QETH_MAX_BUFFER_ELEMENTS(card)) {
+ if ((elements + extra_elems) > QETH_MAX_BUFFER_ELEMENTS(card)) {
QETH_DBF_MESSAGE(2, "Invalid size of IP packet "
"(Number=%d / Length=%d). Discarded.\n",
- (elements_needed+elems), skb->len);
+ elements + extra_elems, skb->len);
return 0;
}
- return elements_needed;
+ return elements;
}
EXPORT_SYMBOL_GPL(qeth_get_elements_no);
@@ -3859,7 +3873,7 @@ int qeth_hdr_chk_and_bounce(struct sk_buff *skb, struct qeth_hdr **hdr, int len)
rest = len - inpage;
if (rest > hroom)
return 1;
- memmove(skb->data - rest, skb->data, skb->len - skb->data_len);
+ memmove(skb->data - rest, skb->data, skb_headlen(skb));
skb->data -= rest;
skb->tail -= rest;
*hdr = (struct qeth_hdr *)skb->data;
@@ -3873,7 +3887,7 @@ static inline void __qeth_fill_buffer(struct sk_buff *skb,
struct qdio_buffer *buffer, int is_tso, int *next_element_to_fill,
int offset)
{
- int length = skb->len - skb->data_len;
+ int length = skb_headlen(skb);
int length_here;
int element;
char *data;
@@ -4967,7 +4981,6 @@ static void qeth_core_free_card(struct qeth_card *card)
qeth_clean_channel(&card->write);
if (card->dev)
free_netdev(card->dev);
- kfree(card->ip_tbd_list);
qeth_free_qdio_buffers(card);
unregister_service_level(&card->qeth_service_level);
kfree(card);
@@ -5265,8 +5278,8 @@ no_mem:
}
EXPORT_SYMBOL_GPL(qeth_core_get_next_skb);
-static int qeth_setassparms_cb(struct qeth_card *card,
- struct qeth_reply *reply, unsigned long data)
+int qeth_setassparms_cb(struct qeth_card *card,
+ struct qeth_reply *reply, unsigned long data)
{
struct qeth_ipa_cmd *cmd;
@@ -5294,6 +5307,7 @@ static int qeth_setassparms_cb(struct qeth_card *card,
return 0;
}
+EXPORT_SYMBOL_GPL(qeth_setassparms_cb);
struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *card,
enum qeth_ipa_funcs ipa_func,
@@ -5788,6 +5802,7 @@ static struct {
{"tx do_QDIO count"},
{"tx csum"},
{"tx lin"},
+ {"tx linfail"},
{"cq handler count"},
{"cq handler time"}
};
@@ -5848,8 +5863,9 @@ void qeth_core_get_ethtool_stats(struct net_device *dev,
data[32] = card->perf_stats.outbound_do_qdio_cnt;
data[33] = card->perf_stats.tx_csum;
data[34] = card->perf_stats.tx_lin;
- data[35] = card->perf_stats.cq_cnt;
- data[36] = card->perf_stats.cq_time;
+ data[35] = card->perf_stats.tx_linfail;
+ data[36] = card->perf_stats.cq_cnt;
+ data[37] = card->perf_stats.cq_time;
}
EXPORT_SYMBOL_GPL(qeth_core_get_ethtool_stats);
@@ -6048,74 +6064,165 @@ int qeth_core_ethtool_get_settings(struct net_device *netdev,
}
EXPORT_SYMBOL_GPL(qeth_core_ethtool_get_settings);
-static int qeth_send_checksum_command(struct qeth_card *card)
+static int qeth_send_checksum_on(struct qeth_card *card, int cstype)
{
+ long rxtx_arg;
int rc;
- rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
- IPA_CMD_ASS_START, 0);
+ rc = qeth_send_simple_setassparms(card, cstype, IPA_CMD_ASS_START, 0);
if (rc) {
- dev_warn(&card->gdev->dev, "Starting HW checksumming for %s "
- "failed, using SW checksumming\n",
- QETH_CARD_IFNAME(card));
+ dev_warn(&card->gdev->dev,
+ "Starting HW checksumming for %s failed, using SW checksumming\n",
+ QETH_CARD_IFNAME(card));
return rc;
}
- rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM,
- IPA_CMD_ASS_ENABLE,
- card->info.csum_mask);
+ rxtx_arg = (cstype == IPA_OUTBOUND_CHECKSUM) ? card->info.tx_csum_mask
+ : card->info.csum_mask;
+ rc = qeth_send_simple_setassparms(card, cstype, IPA_CMD_ASS_ENABLE,
+ rxtx_arg);
if (rc) {
- dev_warn(&card->gdev->dev, "Enabling HW checksumming for %s "
- "failed, using SW checksumming\n",
- QETH_CARD_IFNAME(card));
+ dev_warn(&card->gdev->dev,
+ "Enabling HW checksumming for %s failed, using SW checksumming\n",
+ QETH_CARD_IFNAME(card));
return rc;
}
+
+ dev_info(&card->gdev->dev, "HW Checksumming (%sbound) enabled\n",
+ cstype == IPA_INBOUND_CHECKSUM ? "in" : "out");
return 0;
}
-int qeth_set_rx_csum(struct qeth_card *card, int on)
+static int qeth_set_ipa_csum(struct qeth_card *card, int on, int cstype)
{
int rc;
if (on) {
- rc = qeth_send_checksum_command(card);
+ rc = qeth_send_checksum_on(card, cstype);
if (rc)
return -EIO;
- dev_info(&card->gdev->dev,
- "HW Checksumming (inbound) enabled\n");
} else {
- rc = qeth_send_simple_setassparms(card,
- IPA_INBOUND_CHECKSUM, IPA_CMD_ASS_STOP, 0);
+ rc = qeth_send_simple_setassparms(card, cstype,
+ IPA_CMD_ASS_STOP, 0);
if (rc)
return -EIO;
}
return 0;
}
-EXPORT_SYMBOL_GPL(qeth_set_rx_csum);
-int qeth_start_ipa_tx_checksum(struct qeth_card *card)
+static int qeth_set_ipa_tso(struct qeth_card *card, int on)
{
- int rc = 0;
+ int rc;
- if (!qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM))
- return rc;
- rc = qeth_send_simple_setassparms(card, IPA_OUTBOUND_CHECKSUM,
- IPA_CMD_ASS_START, 0);
- if (rc)
- goto err_out;
- rc = qeth_send_simple_setassparms(card, IPA_OUTBOUND_CHECKSUM,
- IPA_CMD_ASS_ENABLE,
- card->info.tx_csum_mask);
- if (rc)
- goto err_out;
+ QETH_CARD_TEXT(card, 3, "sttso");
- dev_info(&card->gdev->dev, "HW TX Checksumming enabled\n");
- return rc;
-err_out:
- dev_warn(&card->gdev->dev, "Enabling HW TX checksumming for %s "
- "failed, using SW TX checksumming\n", QETH_CARD_IFNAME(card));
+ if (on) {
+ rc = qeth_send_simple_setassparms(card, IPA_OUTBOUND_TSO,
+ IPA_CMD_ASS_START, 0);
+ if (rc) {
+ dev_warn(&card->gdev->dev,
+ "Starting outbound TCP segmentation offload for %s failed\n",
+ QETH_CARD_IFNAME(card));
+ return -EIO;
+ }
+ dev_info(&card->gdev->dev, "Outbound TSO enabled\n");
+ } else {
+ rc = qeth_send_simple_setassparms(card, IPA_OUTBOUND_TSO,
+ IPA_CMD_ASS_STOP, 0);
+ }
return rc;
}
-EXPORT_SYMBOL_GPL(qeth_start_ipa_tx_checksum);
+
+/* try to restore device features on a device after recovery */
+int qeth_recover_features(struct net_device *dev)
+{
+ struct qeth_card *card = dev->ml_priv;
+ netdev_features_t recover = dev->features;
+
+ if (recover & NETIF_F_IP_CSUM) {
+ if (qeth_set_ipa_csum(card, 1, IPA_OUTBOUND_CHECKSUM))
+ recover ^= NETIF_F_IP_CSUM;
+ }
+ if (recover & NETIF_F_RXCSUM) {
+ if (qeth_set_ipa_csum(card, 1, IPA_INBOUND_CHECKSUM))
+ recover ^= NETIF_F_RXCSUM;
+ }
+ if (recover & NETIF_F_TSO) {
+ if (qeth_set_ipa_tso(card, 1))
+ recover ^= NETIF_F_TSO;
+ }
+
+ if (recover == dev->features)
+ return 0;
+
+ dev_warn(&card->gdev->dev,
+ "Device recovery failed to restore all offload features\n");
+ dev->features = recover;
+ return -EIO;
+}
+EXPORT_SYMBOL_GPL(qeth_recover_features);
+
+int qeth_set_features(struct net_device *dev, netdev_features_t features)
+{
+ struct qeth_card *card = dev->ml_priv;
+ netdev_features_t changed = dev->features ^ features;
+ int rc = 0;
+
+ QETH_DBF_TEXT(SETUP, 2, "setfeat");
+ QETH_DBF_HEX(SETUP, 2, &features, sizeof(features));
+
+ if ((changed & NETIF_F_IP_CSUM)) {
+ rc = qeth_set_ipa_csum(card,
+ features & NETIF_F_IP_CSUM ? 1 : 0,
+ IPA_OUTBOUND_CHECKSUM);
+ if (rc)
+ changed ^= NETIF_F_IP_CSUM;
+ }
+ if ((changed & NETIF_F_RXCSUM)) {
+ rc = qeth_set_ipa_csum(card,
+ features & NETIF_F_RXCSUM ? 1 : 0,
+ IPA_INBOUND_CHECKSUM);
+ if (rc)
+ changed ^= NETIF_F_RXCSUM;
+ }
+ if ((changed & NETIF_F_TSO)) {
+ rc = qeth_set_ipa_tso(card, features & NETIF_F_TSO ? 1 : 0);
+ if (rc)
+ changed ^= NETIF_F_TSO;
+ }
+
+ /* everything changed successfully? */
+ if ((dev->features ^ features) == changed)
+ return 0;
+ /* something went wrong. save changed features and return error */
+ dev->features ^= changed;
+ return -EIO;
+}
+EXPORT_SYMBOL_GPL(qeth_set_features);
+
+netdev_features_t qeth_fix_features(struct net_device *dev,
+ netdev_features_t features)
+{
+ struct qeth_card *card = dev->ml_priv;
+
+ QETH_DBF_TEXT(SETUP, 2, "fixfeat");
+ if (!qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM))
+ features &= ~NETIF_F_IP_CSUM;
+ if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM))
+ features &= ~NETIF_F_RXCSUM;
+ if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) {
+ features &= ~NETIF_F_TSO;
+ dev_info(&card->gdev->dev, "Outbound TSO not supported on %s\n",
+ QETH_CARD_IFNAME(card));
+ }
+ /* if the card isn't up, remove features that require hw changes */
+ if (card->state == CARD_STATE_DOWN ||
+ card->state == CARD_STATE_RECOVER)
+ features = features & ~(NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
+ NETIF_F_TSO);
+ QETH_DBF_HEX(SETUP, 2, &features, sizeof(features));
+ return features;
+}
+EXPORT_SYMBOL_GPL(qeth_fix_features);
static int __init qeth_core_init(void)
{
diff --git a/drivers/s390/net/qeth_core_sys.c b/drivers/s390/net/qeth_core_sys.c
index e6e5b9671..75b29fd2f 100644
--- a/drivers/s390/net/qeth_core_sys.c
+++ b/drivers/s390/net/qeth_core_sys.c
@@ -243,6 +243,10 @@ static ssize_t qeth_dev_prioqing_store(struct device *dev,
card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
card->qdio.default_out_queue = 2;
} else if (sysfs_streq(buf, "no_prio_queueing:3")) {
+ if (card->info.type == QETH_CARD_TYPE_IQD) {
+ rc = -EPERM;
+ goto out;
+ }
card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
card->qdio.default_out_queue = 3;
} else if (sysfs_streq(buf, "no_prio_queueing")) {
diff --git a/drivers/s390/net/qeth_l2.h b/drivers/s390/net/qeth_l2.h
index 076755640..29d9fb389 100644
--- a/drivers/s390/net/qeth_l2.h
+++ b/drivers/s390/net/qeth_l2.h
@@ -12,4 +12,11 @@ int qeth_l2_create_device_attributes(struct device *);
void qeth_l2_remove_device_attributes(struct device *);
void qeth_l2_setup_bridgeport_attrs(struct qeth_card *card);
+struct qeth_mac {
+ u8 mac_addr[OSA_ADDR_LEN];
+ u8 is_uc:1;
+ u8 disp_flag:2;
+ struct hlist_node hnode;
+};
+
#endif /* __QETH_L2_H__ */
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index df036b872..bb27058fa 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -404,38 +404,6 @@ static int qeth_l2_vlan_rx_kill_vid(struct net_device *dev,
return rc;
}
-static netdev_features_t qeth_l2_fix_features(struct net_device *dev,
- netdev_features_t features)
-{
- struct qeth_card *card = dev->ml_priv;
-
- QETH_DBF_TEXT(SETUP, 2, "fixfeat");
- if (!qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM))
- features &= ~NETIF_F_IP_CSUM;
- if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM))
- features &= ~NETIF_F_RXCSUM;
- QETH_DBF_HEX(SETUP, 2, &features, sizeof(features));
- return features;
-}
-
-static int qeth_l2_set_features(struct net_device *dev,
- netdev_features_t features)
-{
- struct qeth_card *card = dev->ml_priv;
- netdev_features_t changed = dev->features ^ features;
-
- QETH_DBF_TEXT(SETUP, 2, "setfeat");
- QETH_DBF_HEX(SETUP, 2, &features, sizeof(features));
-
- if (card->state == CARD_STATE_DOWN ||
- card->state == CARD_STATE_RECOVER)
- return 0;
-
- if (!(changed & NETIF_F_RXCSUM))
- return 0;
- return qeth_set_rx_csum(card, features & NETIF_F_RXCSUM ? 1 : 0);
-}
-
static void qeth_l2_stop_card(struct qeth_card *card, int recovery_mode)
{
QETH_DBF_TEXT(SETUP , 2, "stopcard");
@@ -780,7 +748,7 @@ qeth_l2_add_mac(struct qeth_card *card, struct netdev_hw_addr *ha, u8 is_uc)
qeth_l2_mac_hash(ha->addr)) {
if (is_uc == mac->is_uc &&
!memcmp(ha->addr, mac->mac_addr, OSA_ADDR_LEN)) {
- mac->disp_flag = QETH_DISP_MAC_DO_NOTHING;
+ mac->disp_flag = QETH_DISP_ADDR_DO_NOTHING;
return;
}
}
@@ -792,7 +760,7 @@ qeth_l2_add_mac(struct qeth_card *card, struct netdev_hw_addr *ha, u8 is_uc)
memcpy(mac->mac_addr, ha->addr, OSA_ADDR_LEN);
mac->is_uc = is_uc;
- mac->disp_flag = QETH_DISP_MAC_ADD;
+ mac->disp_flag = QETH_DISP_ADDR_ADD;
hash_add(card->mac_htable, &mac->hnode,
qeth_l2_mac_hash(mac->mac_addr));
@@ -825,7 +793,7 @@ static void qeth_l2_set_rx_mode(struct net_device *dev)
qeth_l2_add_mac(card, ha, 1);
hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) {
- if (mac->disp_flag == QETH_DISP_MAC_DELETE) {
+ if (mac->disp_flag == QETH_DISP_ADDR_DELETE) {
if (!mac->is_uc)
rc = qeth_l2_send_delgroupmac(card,
mac->mac_addr);
@@ -837,15 +805,15 @@ static void qeth_l2_set_rx_mode(struct net_device *dev)
hash_del(&mac->hnode);
kfree(mac);
- } else if (mac->disp_flag == QETH_DISP_MAC_ADD) {
+ } else if (mac->disp_flag == QETH_DISP_ADDR_ADD) {
rc = qeth_l2_write_mac(card, mac);
if (rc) {
hash_del(&mac->hnode);
kfree(mac);
} else
- mac->disp_flag = QETH_DISP_MAC_DELETE;
+ mac->disp_flag = QETH_DISP_ADDR_DELETE;
} else
- mac->disp_flag = QETH_DISP_MAC_DELETE;
+ mac->disp_flag = QETH_DISP_ADDR_DELETE;
}
spin_unlock_bh(&card->mclock);
@@ -869,6 +837,7 @@ static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
int data_offset = -1;
int elements_needed = 0;
int hd_len = 0;
+ int nr_frags;
if (card->qdio.do_prio_queueing || (cast_type &&
card->info.is_multicast_different))
@@ -892,6 +861,23 @@ static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
}
netif_stop_queue(dev);
+ /* fix hardware limitation: as long as we do not have sbal
+ * chaining we can not send long frag lists
+ */
+ if ((card->info.type != QETH_CARD_TYPE_IQD) &&
+ !qeth_get_elements_no(card, new_skb, 0)) {
+ int lin_rc = skb_linearize(new_skb);
+
+ if (card->options.performance_stats) {
+ if (lin_rc)
+ card->perf_stats.tx_linfail++;
+ else
+ card->perf_stats.tx_lin++;
+ }
+ if (lin_rc)
+ goto tx_drop;
+ }
+
if (card->info.type == QETH_CARD_TYPE_OSN)
hdr = (struct qeth_hdr *)skb->data;
else {
@@ -943,6 +929,14 @@ static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
if (!rc) {
card->stats.tx_packets++;
card->stats.tx_bytes += tx_bytes;
+ if (card->options.performance_stats) {
+ nr_frags = skb_shinfo(new_skb)->nr_frags;
+ if (nr_frags) {
+ card->perf_stats.sg_skbs_sent++;
+ /* nr_frags + skb->data */
+ card->perf_stats.sg_frags_sent += nr_frags + 1;
+ }
+ }
if (new_skb != skb)
dev_kfree_skb_any(skb);
rc = NETDEV_TX_OK;
@@ -1087,8 +1081,8 @@ static const struct net_device_ops qeth_l2_netdev_ops = {
.ndo_vlan_rx_add_vid = qeth_l2_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = qeth_l2_vlan_rx_kill_vid,
.ndo_tx_timeout = qeth_tx_timeout,
- .ndo_fix_features = qeth_l2_fix_features,
- .ndo_set_features = qeth_l2_set_features
+ .ndo_fix_features = qeth_fix_features,
+ .ndo_set_features = qeth_set_features
};
static int qeth_l2_setup_netdev(struct qeth_card *card)
@@ -1119,12 +1113,22 @@ static int qeth_l2_setup_netdev(struct qeth_card *card)
&qeth_l2_ethtool_ops : &qeth_l2_osn_ops;
card->dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
if (card->info.type == QETH_CARD_TYPE_OSD && !card->info.guestlan) {
- card->dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
- /* Turn on RX offloading per default */
- card->dev->features |= NETIF_F_RXCSUM;
+ card->dev->hw_features = NETIF_F_SG;
+ card->dev->vlan_features = NETIF_F_SG;
+ /* OSA 3S and earlier has no RX/TX support */
+ if (qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) {
+ card->dev->hw_features |= NETIF_F_IP_CSUM;
+ card->dev->vlan_features |= NETIF_F_IP_CSUM;
+ }
+ if (qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) {
+ card->dev->hw_features |= NETIF_F_RXCSUM;
+ card->dev->vlan_features |= NETIF_F_RXCSUM;
+ }
}
card->info.broadcast_capable = 1;
qeth_l2_request_initial_mac(card);
+ card->dev->gso_max_size = (QETH_MAX_BUFFER_ELEMENTS(card) - 1) *
+ PAGE_SIZE;
SET_NETDEV_DEV(card->dev, &card->gdev->dev);
netif_napi_add(card->dev, &card->napi, qeth_l2_poll, QETH_NAPI_WEIGHT);
netif_carrier_off(card->dev);
@@ -1136,9 +1140,6 @@ static int qeth_l2_start_ipassists(struct qeth_card *card)
/* configure isolation level */
if (qeth_set_access_ctrl_online(card, 0))
return -ENODEV;
- if (qeth_is_supported(card, IPA_INBOUND_CHECKSUM))
- qeth_set_rx_csum(card, 1);
- qeth_start_ipa_tx_checksum(card);
return 0;
}
@@ -1207,7 +1208,8 @@ 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)) {
- if (qeth_l2_start_ipassists(card))
+ rc = qeth_l2_start_ipassists(card);
+ if (rc)
goto out_remove;
}
@@ -1241,6 +1243,9 @@ contin:
}
/* this also sets saved unicast addresses */
qeth_l2_set_rx_mode(card->dev);
+ rtnl_lock();
+ qeth_recover_features(card->dev);
+ rtnl_unlock();
}
/* let user_space know that device is online */
kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE);
@@ -1801,6 +1806,12 @@ static int qeth_bridgeport_makerc(struct qeth_card *card,
dev_err(&card->gdev->dev,
"The device is not configured as a Bridge Port\n");
break;
+ case 0x2B10:
+ case 0x0010: /* OS mismatch */
+ rc = -EPERM;
+ dev_err(&card->gdev->dev,
+ "A Bridge Port is already configured by a different operating system\n");
+ break;
case 0x2B14:
case 0x0014: /* Another device is Primary */
switch (setcmd) {
diff --git a/drivers/s390/net/qeth_l3.h b/drivers/s390/net/qeth_l3.h
index 551a4b4c0..26f79533e 100644
--- a/drivers/s390/net/qeth_l3.h
+++ b/drivers/s390/net/qeth_l3.h
@@ -10,16 +10,23 @@
#define __QETH_L3_H__
#include "qeth_core.h"
+#include <linux/hashtable.h>
#define QETH_SNIFF_AVAIL 0x0008
struct qeth_ipaddr {
- struct list_head entry;
+ struct hlist_node hnode;
enum qeth_ip_types type;
enum qeth_ipa_setdelip_flags set_flags;
enum qeth_ipa_setdelip_flags del_flags;
- int is_multicast;
- int users;
+ u8 is_multicast:1;
+ u8 in_progress:1;
+ u8 disp_flag:2;
+
+ /* is changed only for normal ip addresses
+ * for non-normal addresses it always is 1
+ */
+ int ref_counter;
enum qeth_prot_versions proto;
unsigned char mac[OSA_ADDR_LEN];
union {
@@ -32,7 +39,24 @@ struct qeth_ipaddr {
unsigned int pfxlen;
} a6;
} u;
+
};
+static inline u64 qeth_l3_ipaddr_hash(struct qeth_ipaddr *addr)
+{
+ u64 ret = 0;
+ u8 *point;
+
+ if (addr->proto == QETH_PROT_IPV6) {
+ point = (u8 *) &addr->u.a6.addr;
+ ret = get_unaligned((u64 *)point) ^
+ get_unaligned((u64 *) (point + 8));
+ }
+ if (addr->proto == QETH_PROT_IPV4) {
+ point = (u8 *) &addr->u.a4.addr;
+ ret = get_unaligned((u32 *) point);
+ }
+ return ret;
+}
struct qeth_ipato_entry {
struct list_head entry;
@@ -60,6 +84,5 @@ int qeth_l3_is_addr_covered_by_ipato(struct qeth_card *, struct qeth_ipaddr *);
struct qeth_ipaddr *qeth_l3_get_addr_buffer(enum qeth_prot_versions);
int qeth_l3_add_ip(struct qeth_card *, struct qeth_ipaddr *);
int qeth_l3_delete_ip(struct qeth_card *, struct qeth_ipaddr *);
-void qeth_l3_set_ip_addr_list(struct qeth_card *);
#endif /* __QETH_L3_H__ */
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 709b52339..272d9e741 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -30,6 +30,7 @@
#include <net/ip6_fib.h>
#include <net/ip6_checksum.h>
#include <net/iucv/af_iucv.h>
+#include <linux/hashtable.h>
#include "qeth_l3.h"
@@ -57,7 +58,7 @@ static int qeth_l3_isxdigit(char *buf)
static void qeth_l3_ipaddr4_to_string(const __u8 *addr, char *buf)
{
- sprintf(buf, "%i.%i.%i.%i", addr[0], addr[1], addr[2], addr[3]);
+ sprintf(buf, "%pI4", addr);
}
static int qeth_l3_string_to_ipaddr4(const char *buf, __u8 *addr)
@@ -204,104 +205,139 @@ int qeth_l3_is_addr_covered_by_ipato(struct qeth_card *card,
return rc;
}
-/*
- * Add IP to be added to todo list. If there is already an "add todo"
- * in this list we just incremenent the reference count.
- * Returns 0 if we just incremented reference count.
- */
-static int __qeth_l3_insert_ip_todo(struct qeth_card *card,
- struct qeth_ipaddr *addr, int add)
+inline int
+qeth_l3_ipaddrs_is_equal(struct qeth_ipaddr *addr1, struct qeth_ipaddr *addr2)
{
- struct qeth_ipaddr *tmp, *t;
- int found = 0;
+ return addr1->proto == addr2->proto &&
+ !memcmp(&addr1->u, &addr2->u, sizeof(addr1->u)) &&
+ !memcmp(&addr1->mac, &addr2->mac, sizeof(addr1->mac));
+}
- if (card->options.sniffer)
- return 0;
- list_for_each_entry_safe(tmp, t, card->ip_tbd_list, entry) {
- if ((addr->type == QETH_IP_TYPE_DEL_ALL_MC) &&
- (tmp->type == QETH_IP_TYPE_DEL_ALL_MC))
- return 0;
- if ((tmp->proto == QETH_PROT_IPV4) &&
- (addr->proto == QETH_PROT_IPV4) &&
- (tmp->type == addr->type) &&
- (tmp->is_multicast == addr->is_multicast) &&
- (tmp->u.a4.addr == addr->u.a4.addr) &&
- (tmp->u.a4.mask == addr->u.a4.mask)) {
- found = 1;
- break;
- }
- if ((tmp->proto == QETH_PROT_IPV6) &&
- (addr->proto == QETH_PROT_IPV6) &&
- (tmp->type == addr->type) &&
- (tmp->is_multicast == addr->is_multicast) &&
- (tmp->u.a6.pfxlen == addr->u.a6.pfxlen) &&
- (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
- sizeof(struct in6_addr)) == 0)) {
- found = 1;
- break;
- }
- }
- if (found) {
- if (addr->users != 0)
- tmp->users += addr->users;
- else
- tmp->users += add ? 1 : -1;
- if (tmp->users == 0) {
- list_del(&tmp->entry);
- kfree(tmp);
- }
- return 0;
+static struct qeth_ipaddr *
+qeth_l3_ip_from_hash(struct qeth_card *card, struct qeth_ipaddr *tmp_addr)
+{
+ struct qeth_ipaddr *addr;
+
+ if (tmp_addr->is_multicast) {
+ hash_for_each_possible(card->ip_mc_htable, addr,
+ hnode, qeth_l3_ipaddr_hash(tmp_addr))
+ if (qeth_l3_ipaddrs_is_equal(tmp_addr, addr))
+ return addr;
} else {
- if (addr->type == QETH_IP_TYPE_DEL_ALL_MC)
- list_add(&addr->entry, card->ip_tbd_list);
- else {
- if (addr->users == 0)
- addr->users += add ? 1 : -1;
- if (add && (addr->type == QETH_IP_TYPE_NORMAL) &&
- qeth_l3_is_addr_covered_by_ipato(card, addr)) {
- QETH_CARD_TEXT(card, 2, "tkovaddr");
- addr->set_flags |= QETH_IPA_SETIP_TAKEOVER_FLAG;
- }
- list_add_tail(&addr->entry, card->ip_tbd_list);
- }
- return 1;
+ hash_for_each_possible(card->ip_htable, addr,
+ hnode, qeth_l3_ipaddr_hash(tmp_addr))
+ if (qeth_l3_ipaddrs_is_equal(tmp_addr, addr))
+ return addr;
}
+
+ return NULL;
}
-int qeth_l3_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
+int qeth_l3_delete_ip(struct qeth_card *card, struct qeth_ipaddr *tmp_addr)
{
- unsigned long flags;
int rc = 0;
+ struct qeth_ipaddr *addr;
QETH_CARD_TEXT(card, 4, "delip");
- if (addr->proto == QETH_PROT_IPV4)
- QETH_CARD_HEX(card, 4, &addr->u.a4.addr, 4);
+ if (tmp_addr->proto == QETH_PROT_IPV4)
+ QETH_CARD_HEX(card, 4, &tmp_addr->u.a4.addr, 4);
else {
- QETH_CARD_HEX(card, 4, &addr->u.a6.addr, 8);
- QETH_CARD_HEX(card, 4, ((char *)&addr->u.a6.addr) + 8, 8);
+ QETH_CARD_HEX(card, 4, &tmp_addr->u.a6.addr, 8);
+ QETH_CARD_HEX(card, 4, ((char *)&tmp_addr->u.a6.addr) + 8, 8);
+ }
+
+ addr = qeth_l3_ip_from_hash(card, tmp_addr);
+ if (!addr)
+ return -ENOENT;
+
+ addr->ref_counter--;
+ if (addr->type == QETH_IP_TYPE_NORMAL && addr->ref_counter > 0)
+ return rc;
+ if (addr->in_progress)
+ return -EINPROGRESS;
+
+ if (!qeth_card_hw_is_reachable(card)) {
+ addr->disp_flag = QETH_DISP_ADDR_DELETE;
+ return 0;
}
- spin_lock_irqsave(&card->ip_lock, flags);
- rc = __qeth_l3_insert_ip_todo(card, addr, 0);
- spin_unlock_irqrestore(&card->ip_lock, flags);
+
+ rc = qeth_l3_deregister_addr_entry(card, addr);
+
+ hash_del(&addr->hnode);
+ kfree(addr);
+
return rc;
}
-int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
+int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *tmp_addr)
{
- unsigned long flags;
int rc = 0;
+ struct qeth_ipaddr *addr;
QETH_CARD_TEXT(card, 4, "addip");
- if (addr->proto == QETH_PROT_IPV4)
- QETH_CARD_HEX(card, 4, &addr->u.a4.addr, 4);
+
+ if (tmp_addr->proto == QETH_PROT_IPV4)
+ QETH_CARD_HEX(card, 4, &tmp_addr->u.a4.addr, 4);
else {
- QETH_CARD_HEX(card, 4, &addr->u.a6.addr, 8);
- QETH_CARD_HEX(card, 4, ((char *)&addr->u.a6.addr) + 8, 8);
+ QETH_CARD_HEX(card, 4, &tmp_addr->u.a6.addr, 8);
+ QETH_CARD_HEX(card, 4, ((char *)&tmp_addr->u.a6.addr) + 8, 8);
+ }
+
+ addr = qeth_l3_ip_from_hash(card, tmp_addr);
+ if (!addr) {
+ addr = qeth_l3_get_addr_buffer(tmp_addr->proto);
+ if (!addr)
+ return -ENOMEM;
+
+ memcpy(addr, tmp_addr, sizeof(struct qeth_ipaddr));
+ addr->ref_counter = 1;
+
+ if (addr->type == QETH_IP_TYPE_NORMAL &&
+ qeth_l3_is_addr_covered_by_ipato(card, addr)) {
+ QETH_CARD_TEXT(card, 2, "tkovaddr");
+ addr->set_flags |= QETH_IPA_SETIP_TAKEOVER_FLAG;
+ }
+ hash_add(card->ip_htable, &addr->hnode,
+ qeth_l3_ipaddr_hash(addr));
+
+ if (!qeth_card_hw_is_reachable(card)) {
+ addr->disp_flag = QETH_DISP_ADDR_ADD;
+ return 0;
+ }
+
+ /* qeth_l3_register_addr_entry can go to sleep
+ * if we add a IPV4 addr. It is caused by the reason
+ * that SETIP ipa cmd starts ARP staff for IPV4 addr.
+ * Thus we should unlock spinlock, and make a protection
+ * using in_progress variable to indicate that there is
+ * an hardware operation with this IPV4 address
+ */
+ if (addr->proto == QETH_PROT_IPV4) {
+ addr->in_progress = 1;
+ spin_unlock_bh(&card->ip_lock);
+ rc = qeth_l3_register_addr_entry(card, addr);
+ spin_lock_bh(&card->ip_lock);
+ addr->in_progress = 0;
+ } else
+ rc = qeth_l3_register_addr_entry(card, addr);
+
+ if (!rc || (rc == IPA_RC_DUPLICATE_IP_ADDRESS) ||
+ (rc == IPA_RC_LAN_OFFLINE)) {
+ addr->disp_flag = QETH_DISP_ADDR_DO_NOTHING;
+ if (addr->ref_counter < 1) {
+ qeth_l3_delete_ip(card, addr);
+ kfree(addr);
+ }
+ } else {
+ hash_del(&addr->hnode);
+ kfree(addr);
+ }
+ } else {
+ if (addr->type == QETH_IP_TYPE_NORMAL)
+ addr->ref_counter++;
}
- spin_lock_irqsave(&card->ip_lock, flags);
- rc = __qeth_l3_insert_ip_todo(card, addr, 1);
- spin_unlock_irqrestore(&card->ip_lock, flags);
+
return rc;
}
@@ -312,229 +348,90 @@ struct qeth_ipaddr *qeth_l3_get_addr_buffer(
struct qeth_ipaddr *addr;
addr = kzalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC);
- if (addr == NULL) {
+ if (!addr)
return NULL;
- }
+
addr->type = QETH_IP_TYPE_NORMAL;
+ addr->disp_flag = QETH_DISP_ADDR_DO_NOTHING;
addr->proto = prot;
+
return addr;
}
-static void qeth_l3_delete_mc_addresses(struct qeth_card *card)
+static void qeth_l3_clear_ip_htable(struct qeth_card *card, int recover)
{
- struct qeth_ipaddr *iptodo;
- unsigned long flags;
+ struct qeth_ipaddr *addr;
+ struct hlist_node *tmp;
+ int i;
- QETH_CARD_TEXT(card, 4, "delmc");
- iptodo = qeth_l3_get_addr_buffer(QETH_PROT_IPV4);
- if (!iptodo) {
- QETH_CARD_TEXT(card, 2, "dmcnomem");
+ QETH_CARD_TEXT(card, 4, "clearip");
+
+ if (recover && card->options.sniffer)
return;
- }
- iptodo->type = QETH_IP_TYPE_DEL_ALL_MC;
- spin_lock_irqsave(&card->ip_lock, flags);
- if (!__qeth_l3_insert_ip_todo(card, iptodo, 0))
- kfree(iptodo);
- spin_unlock_irqrestore(&card->ip_lock, flags);
-}
-/*
- * Add/remove address to/from card's ip list, i.e. try to add or remove
- * reference to/from an IP address that is already registered on the card.
- * Returns:
- * 0 address was on card and its reference count has been adjusted,
- * but is still > 0, so nothing has to be done
- * also returns 0 if card was not on card and the todo was to delete
- * the address -> there is also nothing to be done
- * 1 address was not on card and the todo is to add it to the card's ip
- * list
- * -1 address was on card and its reference count has been decremented
- * to <= 0 by the todo -> address must be removed from card
- */
-static int __qeth_l3_ref_ip_on_card(struct qeth_card *card,
- struct qeth_ipaddr *todo, struct qeth_ipaddr **__addr)
-{
- struct qeth_ipaddr *addr;
- int found = 0;
-
- list_for_each_entry(addr, &card->ip_list, entry) {
- if ((addr->proto == QETH_PROT_IPV4) &&
- (todo->proto == QETH_PROT_IPV4) &&
- (addr->type == todo->type) &&
- (addr->u.a4.addr == todo->u.a4.addr) &&
- (addr->u.a4.mask == todo->u.a4.mask)) {
- found = 1;
- break;
- }
- if ((addr->proto == QETH_PROT_IPV6) &&
- (todo->proto == QETH_PROT_IPV6) &&
- (addr->type == todo->type) &&
- (addr->u.a6.pfxlen == todo->u.a6.pfxlen) &&
- (memcmp(&addr->u.a6.addr, &todo->u.a6.addr,
- sizeof(struct in6_addr)) == 0)) {
- found = 1;
- break;
- }
- }
- if (found) {
- addr->users += todo->users;
- if (addr->users <= 0) {
- *__addr = addr;
- return -1;
- } else {
- /* for VIPA and RXIP limit refcount to 1 */
- if (addr->type != QETH_IP_TYPE_NORMAL)
- addr->users = 1;
- return 0;
+ spin_lock_bh(&card->ip_lock);
+
+ hash_for_each_safe(card->ip_htable, i, tmp, addr, hnode) {
+ if (!recover) {
+ hash_del(&addr->hnode);
+ kfree(addr);
+ continue;
}
+ addr->disp_flag = QETH_DISP_ADDR_ADD;
}
- if (todo->users > 0) {
- /* for VIPA and RXIP limit refcount to 1 */
- if (todo->type != QETH_IP_TYPE_NORMAL)
- todo->users = 1;
- return 1;
- } else
- return 0;
-}
-static void __qeth_l3_delete_all_mc(struct qeth_card *card,
- unsigned long *flags)
-{
- struct list_head fail_list;
- struct qeth_ipaddr *addr, *tmp;
- int rc;
+ spin_unlock_bh(&card->ip_lock);
- INIT_LIST_HEAD(&fail_list);
-again:
- list_for_each_entry_safe(addr, tmp, &card->ip_list, entry) {
- if (addr->is_multicast) {
- list_del(&addr->entry);
- spin_unlock_irqrestore(&card->ip_lock, *flags);
- rc = qeth_l3_deregister_addr_entry(card, addr);
- spin_lock_irqsave(&card->ip_lock, *flags);
- if (!rc || (rc == IPA_RC_MC_ADDR_NOT_FOUND))
- kfree(addr);
- else
- list_add_tail(&addr->entry, &fail_list);
- goto again;
- }
- }
- list_splice(&fail_list, &card->ip_list);
-}
+ spin_lock_bh(&card->mclock);
-void qeth_l3_set_ip_addr_list(struct qeth_card *card)
-{
- struct list_head *tbd_list;
- struct qeth_ipaddr *todo, *addr;
- unsigned long flags;
- int rc;
+ hash_for_each_safe(card->ip_mc_htable, i, tmp, addr, hnode) {
+ hash_del(&addr->hnode);
+ kfree(addr);
+ }
- QETH_CARD_TEXT(card, 2, "sdiplist");
- QETH_CARD_HEX(card, 2, &card, sizeof(void *));
+ spin_unlock_bh(&card->mclock);
- if (!qeth_card_hw_is_reachable(card) || card->options.sniffer)
- return;
- spin_lock_irqsave(&card->ip_lock, flags);
- tbd_list = card->ip_tbd_list;
- card->ip_tbd_list = kzalloc(sizeof(struct list_head), GFP_ATOMIC);
- if (!card->ip_tbd_list) {
- QETH_CARD_TEXT(card, 0, "silnomem");
- card->ip_tbd_list = tbd_list;
- spin_unlock_irqrestore(&card->ip_lock, flags);
- return;
- } else
- INIT_LIST_HEAD(card->ip_tbd_list);
-
- while (!list_empty(tbd_list)) {
- todo = list_entry(tbd_list->next, struct qeth_ipaddr, entry);
- list_del(&todo->entry);
- if (todo->type == QETH_IP_TYPE_DEL_ALL_MC) {
- __qeth_l3_delete_all_mc(card, &flags);
- kfree(todo);
- continue;
- }
- rc = __qeth_l3_ref_ip_on_card(card, todo, &addr);
- if (rc == 0) {
- /* nothing to be done; only adjusted refcount */
- kfree(todo);
- } else if (rc == 1) {
- /* new entry to be added to on-card list */
- spin_unlock_irqrestore(&card->ip_lock, flags);
- rc = qeth_l3_register_addr_entry(card, todo);
- spin_lock_irqsave(&card->ip_lock, flags);
- if (!rc || (rc == IPA_RC_LAN_OFFLINE))
- list_add_tail(&todo->entry, &card->ip_list);
- else
- kfree(todo);
- } else if (rc == -1) {
- /* on-card entry to be removed */
- list_del_init(&addr->entry);
- spin_unlock_irqrestore(&card->ip_lock, flags);
- rc = qeth_l3_deregister_addr_entry(card, addr);
- spin_lock_irqsave(&card->ip_lock, flags);
- if (!rc || (rc == IPA_RC_IP_ADDRESS_NOT_DEFINED))
- kfree(addr);
- else
- list_add_tail(&addr->entry, &card->ip_list);
- kfree(todo);
- }
- }
- spin_unlock_irqrestore(&card->ip_lock, flags);
- kfree(tbd_list);
}
-
-static void qeth_l3_clear_ip_list(struct qeth_card *card, int recover)
+static void qeth_l3_recover_ip(struct qeth_card *card)
{
- struct qeth_ipaddr *addr, *tmp;
- unsigned long flags;
+ struct qeth_ipaddr *addr;
+ struct hlist_node *tmp;
+ int i;
+ int rc;
- QETH_CARD_TEXT(card, 4, "clearip");
- if (recover && card->options.sniffer)
- return;
- spin_lock_irqsave(&card->ip_lock, flags);
- /* clear todo list */
- list_for_each_entry_safe(addr, tmp, card->ip_tbd_list, entry) {
- list_del(&addr->entry);
- kfree(addr);
- }
+ QETH_CARD_TEXT(card, 4, "recovrip");
+
+ spin_lock_bh(&card->ip_lock);
- while (!list_empty(&card->ip_list)) {
- addr = list_entry(card->ip_list.next,
- struct qeth_ipaddr, entry);
- list_del_init(&addr->entry);
- if (!recover || addr->is_multicast) {
+ hash_for_each_safe(card->ip_htable, i, tmp, addr, hnode) {
+ if (addr->disp_flag == QETH_DISP_ADDR_DELETE) {
+ qeth_l3_deregister_addr_entry(card, addr);
+ hash_del(&addr->hnode);
kfree(addr);
- continue;
+ } else if (addr->disp_flag == QETH_DISP_ADDR_ADD) {
+ if (addr->proto == QETH_PROT_IPV4) {
+ addr->in_progress = 1;
+ spin_unlock_bh(&card->ip_lock);
+ rc = qeth_l3_register_addr_entry(card, addr);
+ spin_lock_bh(&card->ip_lock);
+ addr->in_progress = 0;
+ } else
+ rc = qeth_l3_register_addr_entry(card, addr);
+
+ if (!rc) {
+ addr->disp_flag = QETH_DISP_ADDR_DO_NOTHING;
+ if (addr->ref_counter < 1)
+ qeth_l3_delete_ip(card, addr);
+ } else {
+ hash_del(&addr->hnode);
+ kfree(addr);
+ }
}
- list_add_tail(&addr->entry, card->ip_tbd_list);
}
- spin_unlock_irqrestore(&card->ip_lock, flags);
-}
-
-static int qeth_l3_address_exists_in_list(struct list_head *list,
- struct qeth_ipaddr *addr, int same_type)
-{
- struct qeth_ipaddr *tmp;
- list_for_each_entry(tmp, list, entry) {
- if ((tmp->proto == QETH_PROT_IPV4) &&
- (addr->proto == QETH_PROT_IPV4) &&
- ((same_type && (tmp->type == addr->type)) ||
- (!same_type && (tmp->type != addr->type))) &&
- (tmp->u.a4.addr == addr->u.a4.addr))
- return 1;
+ spin_unlock_bh(&card->ip_lock);
- if ((tmp->proto == QETH_PROT_IPV6) &&
- (addr->proto == QETH_PROT_IPV6) &&
- ((same_type && (tmp->type == addr->type)) ||
- (!same_type && (tmp->type != addr->type))) &&
- (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr,
- sizeof(struct in6_addr)) == 0))
- return 1;
-
- }
- return 0;
}
static int qeth_l3_send_setdelmc(struct qeth_card *card,
@@ -712,27 +609,28 @@ int qeth_l3_setrouting_v6(struct qeth_card *card)
*/
static void qeth_l3_clear_ipato_list(struct qeth_card *card)
{
-
struct qeth_ipato_entry *ipatoe, *tmp;
- unsigned long flags;
- spin_lock_irqsave(&card->ip_lock, flags);
+ spin_lock_bh(&card->ip_lock);
+
list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) {
list_del(&ipatoe->entry);
kfree(ipatoe);
}
- spin_unlock_irqrestore(&card->ip_lock, flags);
+
+ spin_unlock_bh(&card->ip_lock);
}
int qeth_l3_add_ipato_entry(struct qeth_card *card,
struct qeth_ipato_entry *new)
{
struct qeth_ipato_entry *ipatoe;
- unsigned long flags;
int rc = 0;
QETH_CARD_TEXT(card, 2, "addipato");
- spin_lock_irqsave(&card->ip_lock, flags);
+
+ spin_lock_bh(&card->ip_lock);
+
list_for_each_entry(ipatoe, &card->ipato.entries, entry) {
if (ipatoe->proto != new->proto)
continue;
@@ -743,10 +641,12 @@ int qeth_l3_add_ipato_entry(struct qeth_card *card,
break;
}
}
+
if (!rc)
list_add_tail(&new->entry, &card->ipato.entries);
- spin_unlock_irqrestore(&card->ip_lock, flags);
+ spin_unlock_bh(&card->ip_lock);
+
return rc;
}
@@ -754,10 +654,11 @@ void qeth_l3_del_ipato_entry(struct qeth_card *card,
enum qeth_prot_versions proto, u8 *addr, int mask_bits)
{
struct qeth_ipato_entry *ipatoe, *tmp;
- unsigned long flags;
QETH_CARD_TEXT(card, 2, "delipato");
- spin_lock_irqsave(&card->ip_lock, flags);
+
+ spin_lock_bh(&card->ip_lock);
+
list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) {
if (ipatoe->proto != proto)
continue;
@@ -768,7 +669,8 @@ void qeth_l3_del_ipato_entry(struct qeth_card *card,
kfree(ipatoe);
}
}
- spin_unlock_irqrestore(&card->ip_lock, flags);
+
+ spin_unlock_bh(&card->ip_lock);
}
/*
@@ -778,7 +680,6 @@ int qeth_l3_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
const u8 *addr)
{
struct qeth_ipaddr *ipaddr;
- unsigned long flags;
int rc = 0;
ipaddr = qeth_l3_get_addr_buffer(proto);
@@ -797,18 +698,18 @@ int qeth_l3_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG;
} else
return -ENOMEM;
- spin_lock_irqsave(&card->ip_lock, flags);
- if (qeth_l3_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
- qeth_l3_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
+
+ spin_lock_bh(&card->ip_lock);
+
+ if (qeth_l3_ip_from_hash(card, ipaddr))
rc = -EEXIST;
- spin_unlock_irqrestore(&card->ip_lock, flags);
- if (rc) {
- kfree(ipaddr);
- return rc;
- }
- if (!qeth_l3_add_ip(card, ipaddr))
- kfree(ipaddr);
- qeth_l3_set_ip_addr_list(card);
+ else
+ qeth_l3_add_ip(card, ipaddr);
+
+ spin_unlock_bh(&card->ip_lock);
+
+ kfree(ipaddr);
+
return rc;
}
@@ -831,9 +732,12 @@ void qeth_l3_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
ipaddr->type = QETH_IP_TYPE_VIPA;
} else
return;
- if (!qeth_l3_delete_ip(card, ipaddr))
- kfree(ipaddr);
- qeth_l3_set_ip_addr_list(card);
+
+ spin_lock_bh(&card->ip_lock);
+ qeth_l3_delete_ip(card, ipaddr);
+ spin_unlock_bh(&card->ip_lock);
+
+ kfree(ipaddr);
}
/*
@@ -843,7 +747,6 @@ int qeth_l3_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
const u8 *addr)
{
struct qeth_ipaddr *ipaddr;
- unsigned long flags;
int rc = 0;
ipaddr = qeth_l3_get_addr_buffer(proto);
@@ -857,24 +760,25 @@ int qeth_l3_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
memcpy(&ipaddr->u.a6.addr, addr, 16);
ipaddr->u.a6.pfxlen = 0;
}
+
ipaddr->type = QETH_IP_TYPE_RXIP;
ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG;
ipaddr->del_flags = 0;
} else
return -ENOMEM;
- spin_lock_irqsave(&card->ip_lock, flags);
- if (qeth_l3_address_exists_in_list(&card->ip_list, ipaddr, 0) ||
- qeth_l3_address_exists_in_list(card->ip_tbd_list, ipaddr, 0))
+
+ spin_lock_bh(&card->ip_lock);
+
+ if (qeth_l3_ip_from_hash(card, ipaddr))
rc = -EEXIST;
- spin_unlock_irqrestore(&card->ip_lock, flags);
- if (rc) {
- kfree(ipaddr);
- return rc;
- }
- if (!qeth_l3_add_ip(card, ipaddr))
- kfree(ipaddr);
- qeth_l3_set_ip_addr_list(card);
- return 0;
+ else
+ qeth_l3_add_ip(card, ipaddr);
+
+ spin_unlock_bh(&card->ip_lock);
+
+ kfree(ipaddr);
+
+ return rc;
}
void qeth_l3_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
@@ -896,9 +800,12 @@ void qeth_l3_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
ipaddr->type = QETH_IP_TYPE_RXIP;
} else
return;
- if (!qeth_l3_delete_ip(card, ipaddr))
- kfree(ipaddr);
- qeth_l3_set_ip_addr_list(card);
+
+ spin_lock_bh(&card->ip_lock);
+ qeth_l3_delete_ip(card, ipaddr);
+ spin_unlock_bh(&card->ip_lock);
+
+ kfree(ipaddr);
}
static int qeth_l3_register_addr_entry(struct qeth_card *card,
@@ -908,6 +815,7 @@ static int qeth_l3_register_addr_entry(struct qeth_card *card,
int rc = 0;
int cnt = 3;
+
if (addr->proto == QETH_PROT_IPV4) {
QETH_CARD_TEXT(card, 2, "setaddr4");
QETH_CARD_HEX(card, 3, &addr->u.a4.addr, sizeof(int));
@@ -1013,36 +921,6 @@ static int qeth_l3_setadapter_parms(struct qeth_card *card)
return rc;
}
-static int qeth_l3_default_setassparms_cb(struct qeth_card *card,
- struct qeth_reply *reply, unsigned long data)
-{
- struct qeth_ipa_cmd *cmd;
-
- QETH_CARD_TEXT(card, 4, "defadpcb");
-
- cmd = (struct qeth_ipa_cmd *) data;
- if (cmd->hdr.return_code == 0) {
- cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
- if (cmd->hdr.prot_version == QETH_PROT_IPV4)
- card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
- if (cmd->hdr.prot_version == QETH_PROT_IPV6)
- card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
- }
- if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM &&
- cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) {
- card->info.csum_mask = cmd->data.setassparms.data.flags_32bit;
- QETH_CARD_TEXT_(card, 3, "csum:%d", card->info.csum_mask);
- }
- if (cmd->data.setassparms.hdr.assist_no == IPA_OUTBOUND_CHECKSUM &&
- cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) {
- card->info.tx_csum_mask =
- cmd->data.setassparms.data.flags_32bit;
- QETH_CARD_TEXT_(card, 3, "tcsu:%d", card->info.tx_csum_mask);
- }
-
- return 0;
-}
-
#ifdef CONFIG_QETH_IPV6
static int qeth_l3_send_simple_setassparms_ipv6(struct qeth_card *card,
enum qeth_ipa_funcs ipa_func, __u16 cmd_code)
@@ -1056,7 +934,7 @@ static int qeth_l3_send_simple_setassparms_ipv6(struct qeth_card *card,
if (!iob)
return -ENOMEM;
rc = qeth_send_setassparms(card, iob, 0, 0,
- qeth_l3_default_setassparms_cb, NULL);
+ qeth_setassparms_cb, NULL);
return rc;
}
#endif
@@ -1291,47 +1169,6 @@ out:
return rc;
}
-static void qeth_l3_start_ipa_checksum(struct qeth_card *card)
-{
- QETH_CARD_TEXT(card, 3, "strtcsum");
- if (qeth_is_supported(card, IPA_INBOUND_CHECKSUM)
- && (card->dev->features & NETIF_F_RXCSUM))
- qeth_set_rx_csum(card, 1);
-}
-
-static void qeth_l3_start_ipa_tx_checksum(struct qeth_card *card)
-{
- QETH_CARD_TEXT(card, 3, "strttxcs");
- qeth_start_ipa_tx_checksum(card);
-}
-
-static int qeth_l3_start_ipa_tso(struct qeth_card *card)
-{
- int rc;
-
- QETH_CARD_TEXT(card, 3, "sttso");
-
- if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) {
- dev_info(&card->gdev->dev,
- "Outbound TSO not supported on %s\n",
- QETH_CARD_IFNAME(card));
- rc = -EOPNOTSUPP;
- } else {
- rc = qeth_send_simple_setassparms(card, IPA_OUTBOUND_TSO,
- IPA_CMD_ASS_START, 0);
- if (rc)
- dev_warn(&card->gdev->dev, "Starting outbound TCP "
- "segmentation offload for %s failed\n",
- QETH_CARD_IFNAME(card));
- else
- dev_info(&card->gdev->dev,
- "Outbound TSO enabled\n");
- }
- if (rc)
- card->dev->features &= ~NETIF_F_TSO;
- return rc;
-}
-
static int qeth_l3_start_ipassists(struct qeth_card *card)
{
QETH_CARD_TEXT(card, 3, "strtipas");
@@ -1345,9 +1182,6 @@ static int qeth_l3_start_ipassists(struct qeth_card *card)
qeth_l3_start_ipa_multicast(card); /* go on*/
qeth_l3_start_ipa_ipv6(card); /* go on*/
qeth_l3_start_ipa_broadcast(card); /* go on*/
- qeth_l3_start_ipa_checksum(card); /* go on*/
- qeth_l3_start_ipa_tx_checksum(card);
- qeth_l3_start_ipa_tso(card); /* go on*/
return 0;
}
@@ -1507,31 +1341,99 @@ qeth_diags_trace(struct qeth_card *card, enum qeth_diags_trace_cmds diags_cmd)
return qeth_send_ipa_cmd(card, iob, qeth_diags_trace_cb, NULL);
}
-static void qeth_l3_get_mac_for_ipm(__u32 ipm, char *mac,
- struct net_device *dev)
+static void qeth_l3_get_mac_for_ipm(__u32 ipm, char *mac)
{
ip_eth_mc_map(ipm, mac);
}
-static void qeth_l3_add_mc(struct qeth_card *card, struct in_device *in4_dev)
+static void qeth_l3_mark_all_mc_to_be_deleted(struct qeth_card *card)
+{
+ struct qeth_ipaddr *addr;
+ int i;
+
+ hash_for_each(card->ip_mc_htable, i, addr, hnode)
+ addr->disp_flag = QETH_DISP_ADDR_DELETE;
+
+}
+
+static void qeth_l3_add_all_new_mc(struct qeth_card *card)
+{
+ struct qeth_ipaddr *addr;
+ struct hlist_node *tmp;
+ int i;
+ int rc;
+
+ hash_for_each_safe(card->ip_mc_htable, i, tmp, addr, hnode) {
+ if (addr->disp_flag == QETH_DISP_ADDR_ADD) {
+ rc = qeth_l3_register_addr_entry(card, addr);
+ if (!rc || (rc == IPA_RC_LAN_OFFLINE))
+ addr->ref_counter = 1;
+ else {
+ hash_del(&addr->hnode);
+ kfree(addr);
+ }
+ }
+ }
+
+}
+
+static void qeth_l3_delete_nonused_mc(struct qeth_card *card)
+{
+ struct qeth_ipaddr *addr;
+ struct hlist_node *tmp;
+ int i;
+ int rc;
+
+ hash_for_each_safe(card->ip_mc_htable, i, tmp, addr, hnode) {
+ if (addr->disp_flag == QETH_DISP_ADDR_DELETE) {
+ rc = qeth_l3_deregister_addr_entry(card, addr);
+ if (!rc || (rc == IPA_RC_MC_ADDR_NOT_FOUND)) {
+ hash_del(&addr->hnode);
+ kfree(addr);
+ }
+ }
+ }
+
+}
+
+
+static void
+qeth_l3_add_mc_to_hash(struct qeth_card *card, struct in_device *in4_dev)
{
- struct qeth_ipaddr *ipm;
struct ip_mc_list *im4;
+ struct qeth_ipaddr *tmp, *ipm;
char buf[MAX_ADDR_LEN];
QETH_CARD_TEXT(card, 4, "addmc");
+
+ tmp = qeth_l3_get_addr_buffer(QETH_PROT_IPV4);
+ if (!tmp)
+ return;
+
for (im4 = rcu_dereference(in4_dev->mc_list); im4 != NULL;
im4 = rcu_dereference(im4->next_rcu)) {
- qeth_l3_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev);
- ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV4);
- if (!ipm)
- continue;
- ipm->u.a4.addr = im4->multiaddr;
- memcpy(ipm->mac, buf, OSA_ADDR_LEN);
- ipm->is_multicast = 1;
- if (!qeth_l3_add_ip(card, ipm))
- kfree(ipm);
+ qeth_l3_get_mac_for_ipm(im4->multiaddr, buf);
+
+ tmp->u.a4.addr = im4->multiaddr;
+ memcpy(tmp->mac, buf, sizeof(tmp->mac));
+
+ ipm = qeth_l3_ip_from_hash(card, tmp);
+ if (ipm) {
+ ipm->disp_flag = QETH_DISP_ADDR_DO_NOTHING;
+ } else {
+ ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV4);
+ if (!ipm)
+ continue;
+ memcpy(ipm->mac, buf, sizeof(tmp->mac));
+ ipm->u.a4.addr = im4->multiaddr;
+ ipm->is_multicast = 1;
+ ipm->disp_flag = QETH_DISP_ADDR_ADD;
+ hash_add(card->ip_mc_htable,
+ &ipm->hnode, qeth_l3_ipaddr_hash(ipm));
+ }
}
+
+ kfree(tmp);
}
/* called with rcu_read_lock */
@@ -1541,6 +1443,7 @@ static void qeth_l3_add_vlan_mc(struct qeth_card *card)
u16 vid;
QETH_CARD_TEXT(card, 4, "addmcvl");
+
if (!qeth_is_supported(card, IPA_FULL_VLAN))
return;
@@ -1555,7 +1458,7 @@ static void qeth_l3_add_vlan_mc(struct qeth_card *card)
in_dev = __in_dev_get_rcu(netdev);
if (!in_dev)
continue;
- qeth_l3_add_mc(card, in_dev);
+ qeth_l3_add_mc_to_hash(card, in_dev);
}
}
@@ -1564,36 +1467,60 @@ static void qeth_l3_add_multicast_ipv4(struct qeth_card *card)
struct in_device *in4_dev;
QETH_CARD_TEXT(card, 4, "chkmcv4");
+
rcu_read_lock();
in4_dev = __in_dev_get_rcu(card->dev);
if (in4_dev == NULL)
goto unlock;
- qeth_l3_add_mc(card, in4_dev);
+ qeth_l3_add_mc_to_hash(card, in4_dev);
qeth_l3_add_vlan_mc(card);
unlock:
rcu_read_unlock();
}
#ifdef CONFIG_QETH_IPV6
-static void qeth_l3_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev)
+static void
+qeth_l3_add_mc6_to_hash(struct qeth_card *card, struct inet6_dev *in6_dev)
{
struct qeth_ipaddr *ipm;
struct ifmcaddr6 *im6;
+ struct qeth_ipaddr *tmp;
char buf[MAX_ADDR_LEN];
QETH_CARD_TEXT(card, 4, "addmc6");
+
+ tmp = qeth_l3_get_addr_buffer(QETH_PROT_IPV6);
+ if (!tmp)
+ return;
+
for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) {
ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0);
+
+ memcpy(tmp->mac, buf, sizeof(tmp->mac));
+ memcpy(&tmp->u.a6.addr, &im6->mca_addr.s6_addr,
+ sizeof(struct in6_addr));
+ tmp->is_multicast = 1;
+
+ ipm = qeth_l3_ip_from_hash(card, tmp);
+ if (ipm) {
+ ipm->disp_flag = QETH_DISP_ADDR_DO_NOTHING;
+ continue;
+ }
+
ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV6);
if (!ipm)
continue;
- ipm->is_multicast = 1;
+
memcpy(ipm->mac, buf, OSA_ADDR_LEN);
memcpy(&ipm->u.a6.addr, &im6->mca_addr.s6_addr,
sizeof(struct in6_addr));
- if (!qeth_l3_add_ip(card, ipm))
- kfree(ipm);
+ ipm->is_multicast = 1;
+ ipm->disp_flag = QETH_DISP_ADDR_ADD;
+ hash_add(card->ip_mc_htable,
+ &ipm->hnode, qeth_l3_ipaddr_hash(ipm));
+
}
+ kfree(tmp);
}
/* called with rcu_read_lock */
@@ -1603,6 +1530,7 @@ static void qeth_l3_add_vlan_mc6(struct qeth_card *card)
u16 vid;
QETH_CARD_TEXT(card, 4, "admc6vl");
+
if (!qeth_is_supported(card, IPA_FULL_VLAN))
return;
@@ -1618,7 +1546,7 @@ static void qeth_l3_add_vlan_mc6(struct qeth_card *card)
if (!in_dev)
continue;
read_lock_bh(&in_dev->lock);
- qeth_l3_add_mc6(card, in_dev);
+ qeth_l3_add_mc6_to_hash(card, in_dev);
read_unlock_bh(&in_dev->lock);
in6_dev_put(in_dev);
}
@@ -1629,14 +1557,16 @@ static void qeth_l3_add_multicast_ipv6(struct qeth_card *card)
struct inet6_dev *in6_dev;
QETH_CARD_TEXT(card, 4, "chkmcv6");
+
if (!qeth_is_supported(card, IPA_IPV6))
return ;
in6_dev = in6_dev_get(card->dev);
- if (in6_dev == NULL)
+ if (!in6_dev)
return;
+
rcu_read_lock();
read_lock_bh(&in6_dev->lock);
- qeth_l3_add_mc6(card, in6_dev);
+ qeth_l3_add_mc6_to_hash(card, in6_dev);
qeth_l3_add_vlan_mc6(card);
read_unlock_bh(&in6_dev->lock);
rcu_read_unlock();
@@ -1660,16 +1590,23 @@ static void qeth_l3_free_vlan_addresses4(struct qeth_card *card,
in_dev = in_dev_get(netdev);
if (!in_dev)
return;
+
+ addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV4);
+ if (!addr)
+ return;
+
+ spin_lock_bh(&card->ip_lock);
+
for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
- addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV4);
- if (addr) {
- addr->u.a4.addr = ifa->ifa_address;
- addr->u.a4.mask = ifa->ifa_mask;
- addr->type = QETH_IP_TYPE_NORMAL;
- if (!qeth_l3_delete_ip(card, addr))
- kfree(addr);
- }
+ addr->u.a4.addr = ifa->ifa_address;
+ addr->u.a4.mask = ifa->ifa_mask;
+ addr->type = QETH_IP_TYPE_NORMAL;
+ qeth_l3_delete_ip(card, addr);
}
+
+ spin_unlock_bh(&card->ip_lock);
+
+ kfree(addr);
in_dev_put(in_dev);
}
@@ -1687,20 +1624,28 @@ static void qeth_l3_free_vlan_addresses6(struct qeth_card *card,
netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q), vid);
if (!netdev)
return;
+
in6_dev = in6_dev_get(netdev);
if (!in6_dev)
return;
+
+ addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6);
+ if (!addr)
+ return;
+
+ spin_lock_bh(&card->ip_lock);
+
list_for_each_entry(ifa, &in6_dev->addr_list, if_list) {
- addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6);
- if (addr) {
- memcpy(&addr->u.a6.addr, &ifa->addr,
- sizeof(struct in6_addr));
- addr->u.a6.pfxlen = ifa->prefix_len;
- addr->type = QETH_IP_TYPE_NORMAL;
- if (!qeth_l3_delete_ip(card, addr))
- kfree(addr);
- }
+ memcpy(&addr->u.a6.addr, &ifa->addr,
+ sizeof(struct in6_addr));
+ addr->u.a6.pfxlen = ifa->prefix_len;
+ addr->type = QETH_IP_TYPE_NORMAL;
+ qeth_l3_delete_ip(card, addr);
}
+
+ spin_unlock_bh(&card->ip_lock);
+
+ kfree(addr);
in6_dev_put(in6_dev);
#endif /* CONFIG_QETH_IPV6 */
}
@@ -1727,18 +1672,16 @@ static int qeth_l3_vlan_rx_kill_vid(struct net_device *dev,
__be16 proto, u16 vid)
{
struct qeth_card *card = dev->ml_priv;
- unsigned long flags;
QETH_CARD_TEXT_(card, 4, "kid:%d", vid);
+
if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) {
QETH_CARD_TEXT(card, 3, "kidREC");
return 0;
}
- spin_lock_irqsave(&card->vlanlock, flags);
/* unregister IP addresses of vlan device */
qeth_l3_free_vlan_addresses(card, vid);
clear_bit(vid, card->active_vlans);
- spin_unlock_irqrestore(&card->vlanlock, flags);
qeth_l3_set_multicast_list(card->dev);
return 0;
}
@@ -1994,8 +1937,8 @@ static int qeth_l3_verify_vlan_dev(struct net_device *dev,
static int qeth_l3_verify_dev(struct net_device *dev)
{
struct qeth_card *card;
- unsigned long flags;
int rc = 0;
+ unsigned long flags;
read_lock_irqsave(&qeth_core_card_list.rwlock, flags);
list_for_each_entry(card, &qeth_core_card_list.list, list) {
@@ -2051,7 +1994,7 @@ static void qeth_l3_stop_card(struct qeth_card *card, int recovery_mode)
card->state = CARD_STATE_SOFTSETUP;
}
if (card->state == CARD_STATE_SOFTSETUP) {
- qeth_l3_clear_ip_list(card, 1);
+ qeth_l3_clear_ip_htable(card, 1);
qeth_clear_ipacmd_list(card);
card->state = CARD_STATE_HARDSETUP;
}
@@ -2106,12 +2049,20 @@ static void qeth_l3_set_multicast_list(struct net_device *dev)
(card->state != CARD_STATE_UP))
return;
if (!card->options.sniffer) {
- qeth_l3_delete_mc_addresses(card);
+
+ spin_lock_bh(&card->mclock);
+
+ qeth_l3_mark_all_mc_to_be_deleted(card);
+
qeth_l3_add_multicast_ipv4(card);
#ifdef CONFIG_QETH_IPV6
qeth_l3_add_multicast_ipv6(card);
#endif
- qeth_l3_set_ip_addr_list(card);
+ qeth_l3_delete_nonused_mc(card);
+ qeth_l3_add_all_new_mc(card);
+
+ spin_unlock_bh(&card->mclock);
+
if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
return;
}
@@ -2375,22 +2326,21 @@ static int qeth_l3_arp_query(struct qeth_card *card, char __user *udata)
if (rc) {
if (copy_to_user(udata, qinfo.udata, 4))
rc = -EFAULT;
- goto free_and_out;
- } else {
+ goto free_and_out;
+ }
#ifdef CONFIG_QETH_IPV6
- if (qinfo.mask_bits & QETH_QARP_WITH_IPV6) {
- /* fails in case of GuestLAN QDIO mode */
- qeth_l3_query_arp_cache_info(card, QETH_PROT_IPV6,
- &qinfo);
- }
+ if (qinfo.mask_bits & QETH_QARP_WITH_IPV6) {
+ /* fails in case of GuestLAN QDIO mode */
+ qeth_l3_query_arp_cache_info(card, QETH_PROT_IPV6, &qinfo);
+ }
#endif
- if (copy_to_user(udata, qinfo.udata, qinfo.udata_len)) {
- QETH_CARD_TEXT(card, 4, "qactf");
- rc = -EFAULT;
- goto free_and_out;
- }
- QETH_CARD_TEXT(card, 4, "qacts");
+ if (copy_to_user(udata, qinfo.udata, qinfo.udata_len)) {
+ QETH_CARD_TEXT(card, 4, "qactf");
+ rc = -EFAULT;
+ goto free_and_out;
}
+ QETH_CARD_TEXT(card, 4, "qacts");
+
free_and_out:
kfree(qinfo.udata);
out:
@@ -2427,7 +2377,7 @@ static int qeth_l3_arp_add_entry(struct qeth_card *card,
rc = qeth_send_setassparms(card, iob,
sizeof(struct qeth_arp_cache_entry),
(unsigned long) entry,
- qeth_l3_default_setassparms_cb, NULL);
+ qeth_setassparms_cb, NULL);
if (rc) {
tmp = rc;
qeth_l3_ipaddr4_to_string((u8 *)entry->ipaddr, buf);
@@ -2467,7 +2417,7 @@ static int qeth_l3_arp_remove_entry(struct qeth_card *card,
return -ENOMEM;
rc = qeth_send_setassparms(card, iob,
12, (unsigned long)buf,
- qeth_l3_default_setassparms_cb, NULL);
+ qeth_setassparms_cb, NULL);
if (rc) {
tmp = rc;
memset(buf, 0, 16);
@@ -2793,15 +2743,34 @@ static void qeth_tso_fill_header(struct qeth_card *card,
}
}
-static inline int qeth_l3_tso_elements(struct sk_buff *skb)
+/**
+ * qeth_l3_get_elements_no_tso() - find number of SBALEs for skb data for tso
+ * @card: qeth card structure, to check max. elems.
+ * @skb: SKB address
+ * @extra_elems: extra elems needed, to check against max.
+ *
+ * Returns the number of pages, and thus QDIO buffer elements, needed to cover
+ * skb data, including linear part and fragments, but excluding TCP header.
+ * (Exclusion of TCP header distinguishes it from qeth_get_elements_no().)
+ * Checks if the result plus extra_elems fits under the limit for the card.
+ * Returns 0 if it does not.
+ * Note: extra_elems is not included in the returned result.
+ */
+static int qeth_l3_get_elements_no_tso(struct qeth_card *card,
+ struct sk_buff *skb, int extra_elems)
{
- unsigned long tcpd = (unsigned long)tcp_hdr(skb) +
- tcp_hdr(skb)->doff * 4;
- int tcpd_len = skb_headlen(skb) - (tcpd - (unsigned long)skb->data);
- int elements = PFN_UP(tcpd + tcpd_len - 1) - PFN_DOWN(tcpd);
-
- elements += qeth_get_elements_for_frags(skb);
+ addr_t tcpdptr = (addr_t)tcp_hdr(skb) + tcp_hdrlen(skb);
+ int elements = qeth_get_elements_for_range(
+ tcpdptr,
+ (addr_t)skb->data + skb_headlen(skb)) +
+ qeth_get_elements_for_frags(skb);
+ if ((elements + extra_elems) > QETH_MAX_BUFFER_ELEMENTS(card)) {
+ QETH_DBF_MESSAGE(2,
+ "Invalid size of TSO IP packet (Number=%d / Length=%d). Discarded.\n",
+ elements + extra_elems, skb->len);
+ return 0;
+ }
return elements;
}
@@ -2810,8 +2779,8 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
int rc;
u16 *tag;
struct qeth_hdr *hdr = NULL;
- int elements_needed = 0;
- int elems;
+ int hdr_elements = 0;
+ int elements;
struct qeth_card *card = dev->ml_priv;
struct sk_buff *new_skb = NULL;
int ipv = qeth_get_ip_version(skb);
@@ -2822,7 +2791,7 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
qeth_get_priority_queue(card, skb, ipv, cast_type) :
card->qdio.default_out_queue];
int tx_bytes = skb->len;
- bool large_send;
+ bool use_tso;
int data_offset = -1;
int nr_frags;
@@ -2847,10 +2816,12 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
card->perf_stats.outbound_start_time = qeth_get_micros();
}
- large_send = skb_is_gso(skb);
+ /* Ignore segment size from skb_is_gso(), 1 page is always used. */
+ use_tso = skb_is_gso(skb) &&
+ (qeth_get_ip_protocol(skb) == IPPROTO_TCP) && (ipv == 4);
- if ((card->info.type == QETH_CARD_TYPE_IQD) && (!large_send) &&
- (skb_shinfo(skb)->nr_frags == 0)) {
+ if ((card->info.type == QETH_CARD_TYPE_IQD) &&
+ !skb_is_nonlinear(skb)) {
new_skb = skb;
if (new_skb->protocol == ETH_P_AF_IUCV)
data_offset = 0;
@@ -2859,7 +2830,7 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
hdr = kmem_cache_alloc(qeth_core_header_cache, GFP_ATOMIC);
if (!hdr)
goto tx_drop;
- elements_needed++;
+ hdr_elements++;
} else {
/* create a clone with writeable headroom */
new_skb = skb_realloc_headroom(skb, sizeof(struct qeth_hdr_tso)
@@ -2894,22 +2865,28 @@ 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) {
- if (qeth_l3_tso_elements(new_skb) + 1 > 16) {
- if (skb_linearize(new_skb))
- goto tx_drop;
- if (card->options.performance_stats)
+ if ((card->info.type != QETH_CARD_TYPE_IQD) &&
+ ((use_tso && !qeth_l3_get_elements_no_tso(card, new_skb, 1)) ||
+ (!use_tso && !qeth_get_elements_no(card, new_skb, 0)))) {
+ int lin_rc = skb_linearize(new_skb);
+
+ if (card->options.performance_stats) {
+ if (lin_rc)
+ card->perf_stats.tx_linfail++;
+ else
card->perf_stats.tx_lin++;
}
+ if (lin_rc)
+ goto tx_drop;
}
- if (large_send && (cast_type == RTN_UNSPEC)) {
+ if (use_tso) {
hdr = (struct qeth_hdr *)skb_push(new_skb,
sizeof(struct qeth_hdr_tso));
memset(hdr, 0, sizeof(struct qeth_hdr_tso));
qeth_l3_fill_header(card, hdr, new_skb, ipv, cast_type);
qeth_tso_fill_header(card, hdr, new_skb);
- elements_needed++;
+ hdr_elements++;
} else {
if (data_offset < 0) {
hdr = (struct qeth_hdr *)skb_push(new_skb,
@@ -2930,31 +2907,31 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
qeth_l3_hdr_csum(card, hdr, new_skb);
}
- elems = qeth_get_elements_no(card, new_skb, elements_needed);
- if (!elems) {
+ elements = use_tso ?
+ qeth_l3_get_elements_no_tso(card, new_skb, hdr_elements) :
+ qeth_get_elements_no(card, new_skb, hdr_elements);
+ if (!elements) {
if (data_offset >= 0)
kmem_cache_free(qeth_core_header_cache, hdr);
goto tx_drop;
}
- elements_needed += elems;
- nr_frags = skb_shinfo(new_skb)->nr_frags;
+ elements += hdr_elements;
if (card->info.type != QETH_CARD_TYPE_IQD) {
int len;
- if (large_send)
+ if (use_tso)
len = ((unsigned long)tcp_hdr(new_skb) +
- tcp_hdr(new_skb)->doff * 4) -
+ tcp_hdrlen(new_skb)) -
(unsigned long)new_skb->data;
else
len = sizeof(struct qeth_hdr_layer3);
if (qeth_hdr_chk_and_bounce(new_skb, &hdr, len))
goto tx_drop;
- rc = qeth_do_send_packet(card, queue, new_skb, hdr,
- elements_needed);
+ rc = qeth_do_send_packet(card, queue, new_skb, hdr, elements);
} else
rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr,
- elements_needed, data_offset, 0);
+ elements, data_offset, 0);
if (!rc) {
card->stats.tx_packets++;
@@ -2962,7 +2939,8 @@ 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) {
+ nr_frags = skb_shinfo(new_skb)->nr_frags;
+ if (use_tso) {
card->perf_stats.large_send_bytes += tx_bytes;
card->perf_stats.large_send_cnt++;
}
@@ -3048,36 +3026,6 @@ static int qeth_l3_stop(struct net_device *dev)
return 0;
}
-static netdev_features_t qeth_l3_fix_features(struct net_device *dev,
- netdev_features_t features)
-{
- struct qeth_card *card = dev->ml_priv;
-
- 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 features;
-}
-
-static int qeth_l3_set_features(struct net_device *dev,
- netdev_features_t features)
-{
- struct qeth_card *card = dev->ml_priv;
- netdev_features_t changed = dev->features ^ features;
-
- if (!(changed & NETIF_F_RXCSUM))
- return 0;
-
- if (card->state == CARD_STATE_DOWN ||
- card->state == CARD_STATE_RECOVER)
- return 0;
-
- return qeth_set_rx_csum(card, features & NETIF_F_RXCSUM ? 1 : 0);
-}
-
static const struct ethtool_ops qeth_l3_ethtool_ops = {
.get_link = ethtool_op_get_link,
.get_strings = qeth_core_get_strings,
@@ -3120,8 +3068,8 @@ static const struct net_device_ops qeth_l3_netdev_ops = {
.ndo_set_rx_mode = 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_fix_features = qeth_fix_features,
+ .ndo_set_features = qeth_set_features,
.ndo_vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid,
.ndo_tx_timeout = qeth_tx_timeout,
@@ -3136,8 +3084,8 @@ static const struct net_device_ops qeth_l3_osa_netdev_ops = {
.ndo_set_rx_mode = 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_fix_features = qeth_fix_features,
+ .ndo_set_features = qeth_set_features,
.ndo_vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid,
.ndo_tx_timeout = qeth_tx_timeout,
@@ -3169,7 +3117,9 @@ static int qeth_l3_setup_netdev(struct qeth_card *card)
card->dev->hw_features = NETIF_F_SG |
NETIF_F_RXCSUM | NETIF_F_IP_CSUM |
NETIF_F_TSO;
- card->dev->features = NETIF_F_RXCSUM;
+ card->dev->vlan_features = NETIF_F_SG |
+ NETIF_F_RXCSUM | NETIF_F_IP_CSUM |
+ NETIF_F_TSO;
}
}
} else if (card->info.type == QETH_CARD_TYPE_IQD) {
@@ -3195,7 +3145,8 @@ static int qeth_l3_setup_netdev(struct qeth_card *card)
NETIF_F_HW_VLAN_CTAG_RX |
NETIF_F_HW_VLAN_CTAG_FILTER;
netif_keep_dst(card->dev);
- card->dev->gso_max_size = 15 * PAGE_SIZE;
+ card->dev->gso_max_size = (QETH_MAX_BUFFER_ELEMENTS(card) - 1) *
+ PAGE_SIZE;
SET_NETDEV_DEV(card->dev, &card->gdev->dev);
netif_napi_add(card->dev, &card->napi, qeth_l3_poll, QETH_NAPI_WEIGHT);
@@ -3231,7 +3182,7 @@ static void qeth_l3_remove_device(struct ccwgroup_device *cgdev)
card->dev = NULL;
}
- qeth_l3_clear_ip_list(card, 0);
+ qeth_l3_clear_ip_htable(card, 0);
qeth_l3_clear_ipato_list(card);
return;
}
@@ -3316,7 +3267,7 @@ contin:
card->state = CARD_STATE_SOFTSETUP;
qeth_set_allowed_threads(card, 0xffffffff, 0);
- qeth_l3_set_ip_addr_list(card);
+ qeth_l3_recover_ip(card);
if (card->lan_online)
netif_carrier_on(card->dev);
else
@@ -3328,6 +3279,7 @@ contin:
else
dev_open(card->dev);
qeth_l3_set_multicast_list(card->dev);
+ qeth_recover_features(card->dev);
rtnl_unlock();
}
qeth_trace_features(card);
@@ -3517,6 +3469,7 @@ EXPORT_SYMBOL_GPL(qeth_l3_discipline);
static int qeth_l3_ip_event(struct notifier_block *this,
unsigned long event, void *ptr)
{
+
struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
struct net_device *dev = (struct net_device *)ifa->ifa_dev->dev;
struct qeth_ipaddr *addr;
@@ -3531,27 +3484,27 @@ static int qeth_l3_ip_event(struct notifier_block *this,
QETH_CARD_TEXT(card, 3, "ipevent");
addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV4);
- if (addr != NULL) {
+ if (addr) {
addr->u.a4.addr = ifa->ifa_address;
addr->u.a4.mask = ifa->ifa_mask;
addr->type = QETH_IP_TYPE_NORMAL;
} else
- goto out;
+ return NOTIFY_DONE;
switch (event) {
case NETDEV_UP:
- if (!qeth_l3_add_ip(card, addr))
- kfree(addr);
+ spin_lock_bh(&card->ip_lock);
+ qeth_l3_add_ip(card, addr);
+ spin_unlock_bh(&card->ip_lock);
break;
case NETDEV_DOWN:
- if (!qeth_l3_delete_ip(card, addr))
- kfree(addr);
- break;
- default:
+ spin_lock_bh(&card->ip_lock);
+ qeth_l3_delete_ip(card, addr);
+ spin_unlock_bh(&card->ip_lock);
break;
}
- qeth_l3_set_ip_addr_list(card);
-out:
+
+ kfree(addr);
return NOTIFY_DONE;
}
@@ -3580,27 +3533,27 @@ static int qeth_l3_ip6_event(struct notifier_block *this,
return NOTIFY_DONE;
addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6);
- if (addr != NULL) {
+ if (addr) {
memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr));
addr->u.a6.pfxlen = ifa->prefix_len;
addr->type = QETH_IP_TYPE_NORMAL;
} else
- goto out;
+ return NOTIFY_DONE;
switch (event) {
case NETDEV_UP:
- if (!qeth_l3_add_ip(card, addr))
- kfree(addr);
+ spin_lock_bh(&card->ip_lock);
+ qeth_l3_add_ip(card, addr);
+ spin_unlock_bh(&card->ip_lock);
break;
case NETDEV_DOWN:
- if (!qeth_l3_delete_ip(card, addr))
- kfree(addr);
- break;
- default:
+ spin_lock_bh(&card->ip_lock);
+ qeth_l3_delete_ip(card, addr);
+ spin_unlock_bh(&card->ip_lock);
break;
}
- qeth_l3_set_ip_addr_list(card);
-out:
+
+ kfree(addr);
return NOTIFY_DONE;
}
diff --git a/drivers/s390/net/qeth_l3_sys.c b/drivers/s390/net/qeth_l3_sys.c
index 386eb7b89..0e00a5ce0 100644
--- a/drivers/s390/net/qeth_l3_sys.c
+++ b/drivers/s390/net/qeth_l3_sys.c
@@ -8,6 +8,7 @@
#include <linux/slab.h>
#include <asm/ebcdic.h>
+#include <linux/hashtable.h>
#include "qeth_l3.h"
#define QETH_DEVICE_ATTR(_id, _name, _mode, _show, _store) \
@@ -285,19 +286,21 @@ static ssize_t qeth_l3_dev_hsuid_store(struct device *dev,
if (card->options.hsuid[0]) {
/* delete old ip address */
addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6);
- if (addr != NULL) {
- addr->u.a6.addr.s6_addr32[0] = 0xfe800000;
- addr->u.a6.addr.s6_addr32[1] = 0x00000000;
- for (i = 8; i < 16; i++)
- addr->u.a6.addr.s6_addr[i] =
- card->options.hsuid[i - 8];
- addr->u.a6.pfxlen = 0;
- addr->type = QETH_IP_TYPE_NORMAL;
- } else
+ if (!addr)
return -ENOMEM;
- if (!qeth_l3_delete_ip(card, addr))
- kfree(addr);
- qeth_l3_set_ip_addr_list(card);
+
+ addr->u.a6.addr.s6_addr32[0] = 0xfe800000;
+ addr->u.a6.addr.s6_addr32[1] = 0x00000000;
+ for (i = 8; i < 16; i++)
+ addr->u.a6.addr.s6_addr[i] =
+ card->options.hsuid[i - 8];
+ addr->u.a6.pfxlen = 0;
+ addr->type = QETH_IP_TYPE_NORMAL;
+
+ spin_lock_bh(&card->ip_lock);
+ qeth_l3_delete_ip(card, addr);
+ spin_unlock_bh(&card->ip_lock);
+ kfree(addr);
}
if (strlen(tmp) == 0) {
@@ -328,9 +331,11 @@ static ssize_t qeth_l3_dev_hsuid_store(struct device *dev,
addr->type = QETH_IP_TYPE_NORMAL;
} else
return -ENOMEM;
- if (!qeth_l3_add_ip(card, addr))
- kfree(addr);
- qeth_l3_set_ip_addr_list(card);
+
+ spin_lock_bh(&card->ip_lock);
+ qeth_l3_add_ip(card, addr);
+ spin_unlock_bh(&card->ip_lock);
+ kfree(addr);
return count;
}
@@ -367,8 +372,8 @@ static ssize_t qeth_l3_dev_ipato_enable_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct qeth_card *card = dev_get_drvdata(dev);
- struct qeth_ipaddr *tmpipa, *t;
- int rc = 0;
+ struct qeth_ipaddr *addr;
+ int i, rc = 0;
if (!card)
return -EINVAL;
@@ -384,21 +389,20 @@ static ssize_t qeth_l3_dev_ipato_enable_store(struct device *dev,
card->ipato.enabled = (card->ipato.enabled)? 0 : 1;
} else if (sysfs_streq(buf, "1")) {
card->ipato.enabled = 1;
- list_for_each_entry_safe(tmpipa, t, card->ip_tbd_list, entry) {
- if ((tmpipa->type == QETH_IP_TYPE_NORMAL) &&
- qeth_l3_is_addr_covered_by_ipato(card, tmpipa))
- tmpipa->set_flags |=
+ hash_for_each(card->ip_htable, i, addr, hnode) {
+ if ((addr->type == QETH_IP_TYPE_NORMAL) &&
+ qeth_l3_is_addr_covered_by_ipato(card, addr))
+ addr->set_flags |=
QETH_IPA_SETIP_TAKEOVER_FLAG;
- }
-
+ }
} else if (sysfs_streq(buf, "0")) {
card->ipato.enabled = 0;
- list_for_each_entry_safe(tmpipa, t, card->ip_tbd_list, entry) {
- if (tmpipa->set_flags &
- QETH_IPA_SETIP_TAKEOVER_FLAG)
- tmpipa->set_flags &=
- ~QETH_IPA_SETIP_TAKEOVER_FLAG;
- }
+ hash_for_each(card->ip_htable, i, addr, hnode) {
+ if (addr->set_flags &
+ QETH_IPA_SETIP_TAKEOVER_FLAG)
+ addr->set_flags &=
+ ~QETH_IPA_SETIP_TAKEOVER_FLAG;
+ }
} else
rc = -EINVAL;
out:
@@ -452,7 +456,6 @@ static ssize_t qeth_l3_dev_ipato_add_show(char *buf, struct qeth_card *card,
enum qeth_prot_versions proto)
{
struct qeth_ipato_entry *ipatoe;
- unsigned long flags;
char addr_str[40];
int entry_len; /* length of 1 entry string, differs between v4 and v6 */
int i = 0;
@@ -460,7 +463,7 @@ static ssize_t qeth_l3_dev_ipato_add_show(char *buf, struct qeth_card *card,
entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
/* add strlen for "/<mask>\n" */
entry_len += (proto == QETH_PROT_IPV4)? 5 : 6;
- spin_lock_irqsave(&card->ip_lock, flags);
+ spin_lock_bh(&card->ip_lock);
list_for_each_entry(ipatoe, &card->ipato.entries, entry) {
if (ipatoe->proto != proto)
continue;
@@ -473,7 +476,7 @@ static ssize_t qeth_l3_dev_ipato_add_show(char *buf, struct qeth_card *card,
i += snprintf(buf + i, PAGE_SIZE - i,
"%s/%i\n", addr_str, ipatoe->mask_bits);
}
- spin_unlock_irqrestore(&card->ip_lock, flags);
+ spin_unlock_bh(&card->ip_lock);
i += snprintf(buf + i, PAGE_SIZE - i, "\n");
return i;
@@ -689,15 +692,15 @@ static ssize_t qeth_l3_dev_vipa_add_show(char *buf, struct qeth_card *card,
enum qeth_prot_versions proto)
{
struct qeth_ipaddr *ipaddr;
+ struct hlist_node *tmp;
char addr_str[40];
int entry_len; /* length of 1 entry string, differs between v4 and v6 */
- unsigned long flags;
int i = 0;
entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
entry_len += 2; /* \n + terminator */
- spin_lock_irqsave(&card->ip_lock, flags);
- list_for_each_entry(ipaddr, &card->ip_list, entry) {
+ spin_lock_bh(&card->ip_lock);
+ hash_for_each_safe(card->ip_htable, i, tmp, ipaddr, hnode) {
if (ipaddr->proto != proto)
continue;
if (ipaddr->type != QETH_IP_TYPE_VIPA)
@@ -711,7 +714,7 @@ static ssize_t qeth_l3_dev_vipa_add_show(char *buf, struct qeth_card *card,
addr_str);
i += snprintf(buf + i, PAGE_SIZE - i, "%s\n", addr_str);
}
- spin_unlock_irqrestore(&card->ip_lock, flags);
+ spin_unlock_bh(&card->ip_lock);
i += snprintf(buf + i, PAGE_SIZE - i, "\n");
return i;
@@ -851,15 +854,15 @@ static ssize_t qeth_l3_dev_rxip_add_show(char *buf, struct qeth_card *card,
enum qeth_prot_versions proto)
{
struct qeth_ipaddr *ipaddr;
+ struct hlist_node *tmp;
char addr_str[40];
int entry_len; /* length of 1 entry string, differs between v4 and v6 */
- unsigned long flags;
int i = 0;
entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
entry_len += 2; /* \n + terminator */
- spin_lock_irqsave(&card->ip_lock, flags);
- list_for_each_entry(ipaddr, &card->ip_list, entry) {
+ spin_lock_bh(&card->ip_lock);
+ hash_for_each_safe(card->ip_htable, i, tmp, ipaddr, hnode) {
if (ipaddr->proto != proto)
continue;
if (ipaddr->type != QETH_IP_TYPE_RXIP)
@@ -873,7 +876,7 @@ static ssize_t qeth_l3_dev_rxip_add_show(char *buf, struct qeth_card *card,
addr_str);
i += snprintf(buf + i, PAGE_SIZE - i, "%s\n", addr_str);
}
- spin_unlock_irqrestore(&card->ip_lock, flags);
+ spin_unlock_bh(&card->ip_lock);
i += snprintf(buf + i, PAGE_SIZE - i, "\n");
return i;
diff --git a/drivers/s390/virtio/Makefile b/drivers/s390/virtio/Makefile
index 241891a57..df40692a9 100644
--- a/drivers/s390/virtio/Makefile
+++ b/drivers/s390/virtio/Makefile
@@ -6,4 +6,8 @@
# it under the terms of the GNU General Public License (version 2 only)
# as published by the Free Software Foundation.
-obj-$(CONFIG_S390_GUEST) += kvm_virtio.o virtio_ccw.o
+s390-virtio-objs := virtio_ccw.o
+ifdef CONFIG_S390_GUEST_OLD_TRANSPORT
+s390-virtio-objs += kvm_virtio.o
+endif
+obj-$(CONFIG_S390_GUEST) += $(s390-virtio-objs)
diff --git a/drivers/s390/virtio/kvm_virtio.c b/drivers/s390/virtio/kvm_virtio.c
index 1d060fd29..5e5c11f37 100644
--- a/drivers/s390/virtio/kvm_virtio.c
+++ b/drivers/s390/virtio/kvm_virtio.c
@@ -458,6 +458,8 @@ static int __init kvm_devices_init(void)
if (test_devices_support(total_memory_size) < 0)
return -ENODEV;
+ pr_warn("The s390-virtio transport is deprecated. Please switch to a modern host providing virtio-ccw.\n");
+
rc = vmem_add_mapping(total_memory_size, PAGE_SIZE);
if (rc)
return rc;
@@ -482,7 +484,7 @@ static int __init kvm_devices_init(void)
}
/* code for early console output with virtio_console */
-static __init int early_put_chars(u32 vtermno, const char *buf, int count)
+static int early_put_chars(u32 vtermno, const char *buf, int count)
{
char scratch[17];
unsigned int len = count;