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-rw-r--r--drivers/char/hvc_console.c1
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c9
-rw-r--r--drivers/infiniband/core/cma.c2
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_multicast.c1
-rw-r--r--drivers/infiniband/ulp/srp/ib_srp.c14
-rw-r--r--drivers/mtd/nand/nand_base.c4
-rw-r--r--drivers/net/e1000/e1000_main.c8
-rw-r--r--drivers/net/mv643xx_eth.c2
-rw-r--r--drivers/net/wireless/zd1211rw/zd_chip.c61
-rw-r--r--drivers/net/wireless/zd1211rw/zd_mac.c43
-rw-r--r--drivers/net/wireless/zd1211rw/zd_mac.h11
-rw-r--r--drivers/s390/net/Kconfig9
-rw-r--r--drivers/s390/net/Makefile1
-rw-r--r--drivers/s390/net/ctcmain.c3
-rw-r--r--drivers/s390/net/iucv.c4
-rw-r--r--drivers/s390/net/lcs.c13
-rw-r--r--drivers/s390/net/netiucv.c80
-rw-r--r--drivers/s390/net/qeth.h73
-rw-r--r--drivers/s390/net/qeth_eddp.c5
-rw-r--r--drivers/s390/net/qeth_main.c517
-rw-r--r--drivers/s390/net/qeth_proc.c23
-rw-r--r--drivers/s390/net/qeth_sys.c64
-rw-r--r--drivers/s390/net/qeth_tso.h2
23 files changed, 557 insertions, 393 deletions
diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c
index ca2f538e549..613d67f1c7f 100644
--- a/drivers/char/hvc_console.c
+++ b/drivers/char/hvc_console.c
@@ -668,6 +668,7 @@ int khvcd(void *unused)
do {
poll_mask = 0;
hvc_kicked = 0;
+ try_to_freeze();
wmb();
if (cpus_empty(cpus_in_xmon)) {
spin_lock(&hvc_structs_lock);
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index f57eba0bf25..abca98beac1 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -402,10 +402,10 @@ static void handle_flags(struct smi_info *smi_info)
smi_info->curr_msg->data,
smi_info->curr_msg->data_size);
smi_info->si_state = SI_GETTING_EVENTS;
- } else if (smi_info->msg_flags & OEM_DATA_AVAIL) {
- if (smi_info->oem_data_avail_handler)
- if (smi_info->oem_data_avail_handler(smi_info))
- goto retry;
+ } else if (smi_info->msg_flags & OEM_DATA_AVAIL &&
+ smi_info->oem_data_avail_handler) {
+ if (smi_info->oem_data_avail_handler(smi_info))
+ goto retry;
} else {
smi_info->si_state = SI_NORMAL;
}
@@ -2481,6 +2481,7 @@ static __devinit int init_ipmi_si(void)
#ifdef CONFIG_PCI
pci_unregister_driver(&ipmi_pci_driver);
#endif
+ driver_unregister(&ipmi_driver);
printk("ipmi_si: Unable to find any System Interface(s)\n");
return -ENODEV;
} else {
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index d6f99d5720f..5d625a81193 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -49,7 +49,7 @@ MODULE_DESCRIPTION("Generic RDMA CM Agent");
MODULE_LICENSE("Dual BSD/GPL");
#define CMA_CM_RESPONSE_TIMEOUT 20
-#define CMA_MAX_CM_RETRIES 3
+#define CMA_MAX_CM_RETRIES 15
static void cma_add_one(struct ib_device *device);
static void cma_remove_one(struct ib_device *device);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index b5e6a7be603..ec356ce7cdc 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -326,6 +326,7 @@ ipoib_mcast_sendonly_join_complete(int status,
/* Clear the busy flag so we try again */
clear_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags);
+ mcast->query = NULL;
}
complete(&mcast->done);
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 8257d5a2c8f..fd8344cdc0d 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -799,13 +799,6 @@ static void srp_process_rsp(struct srp_target_port *target, struct srp_rsp *rsp)
spin_unlock_irqrestore(target->scsi_host->host_lock, flags);
}
-static void srp_reconnect_work(void *target_ptr)
-{
- struct srp_target_port *target = target_ptr;
-
- srp_reconnect_target(target);
-}
-
static void srp_handle_recv(struct srp_target_port *target, struct ib_wc *wc)
{
struct srp_iu *iu;
@@ -858,7 +851,6 @@ static void srp_completion(struct ib_cq *cq, void *target_ptr)
{
struct srp_target_port *target = target_ptr;
struct ib_wc wc;
- unsigned long flags;
ib_req_notify_cq(cq, IB_CQ_NEXT_COMP);
while (ib_poll_cq(cq, 1, &wc) > 0) {
@@ -866,10 +858,6 @@ static void srp_completion(struct ib_cq *cq, void *target_ptr)
printk(KERN_ERR PFX "failed %s status %d\n",
wc.wr_id & SRP_OP_RECV ? "receive" : "send",
wc.status);
- spin_lock_irqsave(target->scsi_host->host_lock, flags);
- if (target->state == SRP_TARGET_LIVE)
- schedule_work(&target->work);
- spin_unlock_irqrestore(target->scsi_host->host_lock, flags);
break;
}
@@ -1705,8 +1693,6 @@ static ssize_t srp_create_target(struct class_device *class_dev,
target->scsi_host = target_host;
target->srp_host = host;
- INIT_WORK(&target->work, srp_reconnect_work, target);
-
INIT_LIST_HEAD(&target->free_reqs);
INIT_LIST_HEAD(&target->req_queue);
for (i = 0; i < SRP_SQ_SIZE; ++i) {
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index c8cbc00243f..0a54d003ef3 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -1204,7 +1204,7 @@ static int nand_write_oob_syndrome(struct mtd_info *mtd,
pos = steps * (eccsize + chunk);
steps = 0;
} else
- pos = eccsize + chunk;
+ pos = eccsize;
chip->cmdfunc(mtd, NAND_CMD_SEQIN, pos, page);
for (i = 0; i < steps; i++) {
@@ -1567,7 +1567,7 @@ static uint8_t *nand_fill_oob(struct nand_chip *chip, uint8_t *oob,
bytes = min_t(size_t, len, free->length);
boffs = free->offset;
}
- memcpy(chip->oob_poi + woffs, oob, bytes);
+ memcpy(chip->oob_poi + boffs, oob, bytes);
oob += bytes;
}
return oob;
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 726f43d5593..98ef9f85482 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -1433,8 +1433,8 @@ e1000_configure_tx(struct e1000_adapter *adapter)
E1000_WRITE_REG(hw, TDBAL, (tdba & 0x00000000ffffffffULL));
E1000_WRITE_REG(hw, TDT, 0);
E1000_WRITE_REG(hw, TDH, 0);
- adapter->tx_ring[0].tdh = E1000_TDH;
- adapter->tx_ring[0].tdt = E1000_TDT;
+ adapter->tx_ring[0].tdh = ((hw->mac_type >= e1000_82543) ? E1000_TDH : E1000_82542_TDH);
+ adapter->tx_ring[0].tdt = ((hw->mac_type >= e1000_82543) ? E1000_TDT : E1000_82542_TDT);
break;
}
@@ -1840,8 +1840,8 @@ e1000_configure_rx(struct e1000_adapter *adapter)
E1000_WRITE_REG(hw, RDBAL, (rdba & 0x00000000ffffffffULL));
E1000_WRITE_REG(hw, RDT, 0);
E1000_WRITE_REG(hw, RDH, 0);
- adapter->rx_ring[0].rdh = E1000_RDH;
- adapter->rx_ring[0].rdt = E1000_RDT;
+ adapter->rx_ring[0].rdh = ((hw->mac_type >= e1000_82543) ? E1000_RDH : E1000_82542_RDH);
+ adapter->rx_ring[0].rdt = ((hw->mac_type >= e1000_82543) ? E1000_RDT : E1000_82542_RDT);
break;
}
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index 760c61b9886..eeab1df5bef 100644
--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c
@@ -385,6 +385,8 @@ static int mv643xx_eth_receive_queue(struct net_device *dev, int budget)
struct pkt_info pkt_info;
while (budget-- > 0 && eth_port_receive(mp, &pkt_info) == ETH_OK) {
+ dma_unmap_single(NULL, pkt_info.buf_ptr, RX_SKB_SIZE,
+ DMA_FROM_DEVICE);
mp->rx_desc_count--;
received_packets++;
diff --git a/drivers/net/wireless/zd1211rw/zd_chip.c b/drivers/net/wireless/zd1211rw/zd_chip.c
index da9d06bdb81..aa792821854 100644
--- a/drivers/net/wireless/zd1211rw/zd_chip.c
+++ b/drivers/net/wireless/zd1211rw/zd_chip.c
@@ -1430,9 +1430,43 @@ static int ofdm_qual_db(u8 status_quality, u8 rate, unsigned int size)
break;
}
+ switch (rate) {
+ case ZD_OFDM_RATE_6M:
+ case ZD_OFDM_RATE_9M:
+ i += 3;
+ break;
+ case ZD_OFDM_RATE_12M:
+ case ZD_OFDM_RATE_18M:
+ i += 5;
+ break;
+ case ZD_OFDM_RATE_24M:
+ case ZD_OFDM_RATE_36M:
+ i += 9;
+ break;
+ case ZD_OFDM_RATE_48M:
+ case ZD_OFDM_RATE_54M:
+ i += 15;
+ break;
+ default:
+ return -EINVAL;
+ }
+
return i;
}
+static int ofdm_qual_percent(u8 status_quality, u8 rate, unsigned int size)
+{
+ int r;
+
+ r = ofdm_qual_db(status_quality, rate, size);
+ ZD_ASSERT(r >= 0);
+ if (r < 0)
+ r = 0;
+
+ r = (r * 100)/29;
+ return r <= 100 ? r : 100;
+}
+
static unsigned int log10times100(unsigned int x)
{
static const u8 log10[] = {
@@ -1476,31 +1510,28 @@ static int cck_snr_db(u8 status_quality)
return r;
}
-static int rx_qual_db(const void *rx_frame, unsigned int size,
- const struct rx_status *status)
+static int cck_qual_percent(u8 status_quality)
{
- return (status->frame_status&ZD_RX_OFDM) ?
- ofdm_qual_db(status->signal_quality_ofdm,
- zd_ofdm_plcp_header_rate(rx_frame),
- size) :
- cck_snr_db(status->signal_quality_cck);
+ int r;
+
+ r = cck_snr_db(status_quality);
+ r = (100*r)/17;
+ return r <= 100 ? r : 100;
}
u8 zd_rx_qual_percent(const void *rx_frame, unsigned int size,
const struct rx_status *status)
{
- int r = rx_qual_db(rx_frame, size, status);
- if (r < 0)
- r = 0;
- r = (r * 100) / 14;
- if (r > 100)
- r = 100;
- return r;
+ return (status->frame_status&ZD_RX_OFDM) ?
+ ofdm_qual_percent(status->signal_quality_ofdm,
+ zd_ofdm_plcp_header_rate(rx_frame),
+ size) :
+ cck_qual_percent(status->signal_quality_cck);
}
u8 zd_rx_strength_percent(u8 rssi)
{
- int r = (rssi*100) / 30;
+ int r = (rssi*100) / 41;
if (r > 100)
r = 100;
return (u8) r;
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index d6f3e02a0b5..a9bd80a0861 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -816,13 +816,25 @@ static int filter_rx(struct ieee80211_device *ieee,
return -EINVAL;
}
-static void update_qual_rssi(struct zd_mac *mac, u8 qual_percent, u8 rssi)
+static void update_qual_rssi(struct zd_mac *mac,
+ const u8 *buffer, unsigned int length,
+ u8 qual_percent, u8 rssi_percent)
{
unsigned long flags;
+ struct ieee80211_hdr_3addr *hdr;
+ int i;
+
+ hdr = (struct ieee80211_hdr_3addr *)buffer;
+ if (length < offsetof(struct ieee80211_hdr_3addr, addr3))
+ return;
+ if (memcmp(hdr->addr2, zd_mac_to_ieee80211(mac)->bssid, ETH_ALEN) != 0)
+ return;
spin_lock_irqsave(&mac->lock, flags);
- mac->qual_average = (7 * mac->qual_average + qual_percent) / 8;
- mac->rssi_average = (7 * mac->rssi_average + rssi) / 8;
+ i = mac->stats_count % ZD_MAC_STATS_BUFFER_SIZE;
+ mac->qual_buffer[i] = qual_percent;
+ mac->rssi_buffer[i] = rssi_percent;
+ mac->stats_count++;
spin_unlock_irqrestore(&mac->lock, flags);
}
@@ -853,7 +865,6 @@ static int fill_rx_stats(struct ieee80211_rx_stats *stats,
if (stats->rate)
stats->mask |= IEEE80211_STATMASK_RATE;
- update_qual_rssi(mac, stats->signal, stats->rssi);
return 0;
}
@@ -877,6 +888,8 @@ int zd_mac_rx(struct zd_mac *mac, const u8 *buffer, unsigned int length)
sizeof(struct rx_status);
buffer += ZD_PLCP_HEADER_SIZE;
+ update_qual_rssi(mac, buffer, length, stats.signal, stats.rssi);
+
r = filter_rx(ieee, buffer, length, &stats);
if (r <= 0)
return r;
@@ -981,17 +994,31 @@ struct iw_statistics *zd_mac_get_wireless_stats(struct net_device *ndev)
{
struct zd_mac *mac = zd_netdev_mac(ndev);
struct iw_statistics *iw_stats = &mac->iw_stats;
+ unsigned int i, count, qual_total, rssi_total;
memset(iw_stats, 0, sizeof(struct iw_statistics));
/* We are not setting the status, because ieee->state is not updated
* at all and this driver doesn't track authentication state.
*/
spin_lock_irq(&mac->lock);
- iw_stats->qual.qual = mac->qual_average;
- iw_stats->qual.level = mac->rssi_average;
- iw_stats->qual.updated = IW_QUAL_QUAL_UPDATED|IW_QUAL_LEVEL_UPDATED|
- IW_QUAL_NOISE_INVALID;
+ count = mac->stats_count < ZD_MAC_STATS_BUFFER_SIZE ?
+ mac->stats_count : ZD_MAC_STATS_BUFFER_SIZE;
+ qual_total = rssi_total = 0;
+ for (i = 0; i < count; i++) {
+ qual_total += mac->qual_buffer[i];
+ rssi_total += mac->rssi_buffer[i];
+ }
spin_unlock_irq(&mac->lock);
+ iw_stats->qual.updated = IW_QUAL_NOISE_INVALID;
+ if (count > 0) {
+ iw_stats->qual.qual = qual_total / count;
+ iw_stats->qual.level = rssi_total / count;
+ iw_stats->qual.updated |=
+ IW_QUAL_QUAL_UPDATED|IW_QUAL_LEVEL_UPDATED;
+ } else {
+ iw_stats->qual.updated |=
+ IW_QUAL_QUAL_INVALID|IW_QUAL_LEVEL_INVALID;
+ }
/* TODO: update counter */
return iw_stats;
}
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.h b/drivers/net/wireless/zd1211rw/zd_mac.h
index 71e382c589e..b3ba49b8463 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.h
+++ b/drivers/net/wireless/zd1211rw/zd_mac.h
@@ -1,4 +1,4 @@
-/* zd_mac.c
+/* zd_mac.h
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -87,9 +87,9 @@ struct rx_length_info {
#define RX_LENGTH_INFO_TAG 0x697e
struct rx_status {
+ u8 signal_quality_cck;
/* rssi */
u8 signal_strength;
- u8 signal_quality_cck;
u8 signal_quality_ofdm;
u8 decryption_type;
u8 frame_status;
@@ -120,14 +120,17 @@ enum mac_flags {
MAC_FIXED_CHANNEL = 0x01,
};
+#define ZD_MAC_STATS_BUFFER_SIZE 16
+
struct zd_mac {
struct net_device *netdev;
struct zd_chip chip;
spinlock_t lock;
/* Unlocked reading possible */
struct iw_statistics iw_stats;
- u8 qual_average;
- u8 rssi_average;
+ unsigned int stats_count;
+ u8 qual_buffer[ZD_MAC_STATS_BUFFER_SIZE];
+ u8 rssi_buffer[ZD_MAC_STATS_BUFFER_SIZE];
u8 regdomain;
u8 default_regdomain;
u8 requested_channel;
diff --git a/drivers/s390/net/Kconfig b/drivers/s390/net/Kconfig
index 54885475492..1a93fa684e9 100644
--- a/drivers/s390/net/Kconfig
+++ b/drivers/s390/net/Kconfig
@@ -92,15 +92,6 @@ config QETH_VLAN
If CONFIG_QETH is switched on, this option will include IEEE
802.1q VLAN support in the qeth device driver.
-config QETH_PERF_STATS
- bool "Performance statistics in /proc"
- depends on QETH
- help
- When switched on, this option will add a file in the proc-fs
- (/proc/qeth_perf_stats) containing performance statistics. It
- may slightly impact performance, so this is only recommended for
- internal tuning of the device driver.
-
config CCWGROUP
tristate
default (LCS || CTC || QETH)
diff --git a/drivers/s390/net/Makefile b/drivers/s390/net/Makefile
index 6775a837d64..4777e36a922 100644
--- a/drivers/s390/net/Makefile
+++ b/drivers/s390/net/Makefile
@@ -10,7 +10,6 @@ obj-$(CONFIG_SMSGIUCV) += smsgiucv.o
obj-$(CONFIG_CTC) += ctc.o fsm.o cu3088.o
obj-$(CONFIG_LCS) += lcs.o cu3088.o
obj-$(CONFIG_CLAW) += claw.o cu3088.o
-obj-$(CONFIG_MPC) += ctcmpc.o fsm.o cu3088.o
qeth-y := qeth_main.o qeth_mpc.o qeth_sys.o qeth_eddp.o
qeth-$(CONFIG_PROC_FS) += qeth_proc.o
obj-$(CONFIG_QETH) += qeth.o
diff --git a/drivers/s390/net/ctcmain.c b/drivers/s390/net/ctcmain.c
index 8a4b5812014..3257c22dd79 100644
--- a/drivers/s390/net/ctcmain.c
+++ b/drivers/s390/net/ctcmain.c
@@ -1714,6 +1714,9 @@ add_channel(struct ccw_device *cdev, enum channel_types type)
kfree(ch);
return 0;
}
+
+ spin_lock_init(&ch->collect_lock);
+
fsm_settimer(ch->fsm, &ch->timer);
skb_queue_head_init(&ch->io_queue);
skb_queue_head_init(&ch->collect_queue);
diff --git a/drivers/s390/net/iucv.c b/drivers/s390/net/iucv.c
index 0e863df4027..821dde86e24 100644
--- a/drivers/s390/net/iucv.c
+++ b/drivers/s390/net/iucv.c
@@ -335,8 +335,8 @@ do { \
#else
-#define iucv_debug(lvl, fmt, args...)
-#define iucv_dumpit(title, buf, len)
+#define iucv_debug(lvl, fmt, args...) do { } while (0)
+#define iucv_dumpit(title, buf, len) do { } while (0)
#endif
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index 2eded55ae88..16ac68c27a2 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -670,9 +670,8 @@ lcs_ready_buffer(struct lcs_channel *channel, struct lcs_buffer *buffer)
int index, rc;
LCS_DBF_TEXT(5, trace, "rdybuff");
- if (buffer->state != BUF_STATE_LOCKED &&
- buffer->state != BUF_STATE_PROCESSED)
- BUG();
+ BUG_ON(buffer->state != BUF_STATE_LOCKED &&
+ buffer->state != BUF_STATE_PROCESSED);
spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
buffer->state = BUF_STATE_READY;
index = buffer - channel->iob;
@@ -696,8 +695,7 @@ __lcs_processed_buffer(struct lcs_channel *channel, struct lcs_buffer *buffer)
int index, prev, next;
LCS_DBF_TEXT(5, trace, "prcsbuff");
- if (buffer->state != BUF_STATE_READY)
- BUG();
+ BUG_ON(buffer->state != BUF_STATE_READY);
buffer->state = BUF_STATE_PROCESSED;
index = buffer - channel->iob;
prev = (index - 1) & (LCS_NUM_BUFFS - 1);
@@ -729,9 +727,8 @@ lcs_release_buffer(struct lcs_channel *channel, struct lcs_buffer *buffer)
unsigned long flags;
LCS_DBF_TEXT(5, trace, "relbuff");
- if (buffer->state != BUF_STATE_LOCKED &&
- buffer->state != BUF_STATE_PROCESSED)
- BUG();
+ BUG_ON(buffer->state != BUF_STATE_LOCKED &&
+ buffer->state != BUF_STATE_PROCESSED);
spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
buffer->state = BUF_STATE_EMPTY;
spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c
index 5d6e6cbfa36..d7d1cc0a5c8 100644
--- a/drivers/s390/net/netiucv.c
+++ b/drivers/s390/net/netiucv.c
@@ -112,7 +112,12 @@ struct iucv_connection {
/**
* Linked list of all connection structs.
*/
-static struct iucv_connection *iucv_connections;
+struct iucv_connection_struct {
+ struct iucv_connection *iucv_connections;
+ rwlock_t iucv_rwlock;
+};
+
+static struct iucv_connection_struct iucv_conns;
/**
* Representation of event-data for the
@@ -1368,8 +1373,10 @@ user_write (struct device *dev, struct device_attribute *attr, const char *buf,
struct net_device *ndev = priv->conn->netdev;
char *p;
char *tmp;
- char username[10];
+ char username[9];
int i;
+ struct iucv_connection **clist = &iucv_conns.iucv_connections;
+ unsigned long flags;
IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
if (count>9) {
@@ -1382,7 +1389,7 @@ user_write (struct device *dev, struct device_attribute *attr, const char *buf,
tmp = strsep((char **) &buf, "\n");
for (i=0, p=tmp; i<8 && *p; i++, p++) {
if (isalnum(*p) || (*p == '$'))
- username[i]= *p;
+ username[i]= toupper(*p);
else if (*p == '\n') {
/* trailing lf, grr */
break;
@@ -1395,11 +1402,11 @@ user_write (struct device *dev, struct device_attribute *attr, const char *buf,
return -EINVAL;
}
}
- while (i<9)
+ while (i<8)
username[i++] = ' ';
- username[9] = '\0';
+ username[8] = '\0';
- if (memcmp(username, priv->conn->userid, 8)) {
+ if (memcmp(username, priv->conn->userid, 9)) {
/* username changed */
if (ndev->flags & (IFF_UP | IFF_RUNNING)) {
PRINT_WARN(
@@ -1410,6 +1417,19 @@ user_write (struct device *dev, struct device_attribute *attr, const char *buf,
return -EBUSY;
}
}
+ read_lock_irqsave(&iucv_conns.iucv_rwlock, flags);
+ while (*clist) {
+ if (!strncmp(username, (*clist)->userid, 9) ||
+ ((*clist)->netdev != ndev))
+ break;
+ clist = &((*clist)->next);
+ }
+ read_unlock_irqrestore(&iucv_conns.iucv_rwlock, flags);
+ if (*clist) {
+ PRINT_WARN("netiucv: Connection to %s already exists\n",
+ username);
+ return -EEXIST;
+ }
memcpy(priv->conn->userid, username, 9);
return count;
@@ -1781,13 +1801,15 @@ netiucv_unregister_device(struct device *dev)
static struct iucv_connection *
netiucv_new_connection(struct net_device *dev, char *username)
{
- struct iucv_connection **clist = &iucv_connections;
+ unsigned long flags;
+ struct iucv_connection **clist = &iucv_conns.iucv_connections;
struct iucv_connection *conn =
kzalloc(sizeof(struct iucv_connection), GFP_KERNEL);
if (conn) {
skb_queue_head_init(&conn->collect_queue);
skb_queue_head_init(&conn->commit_queue);
+ spin_lock_init(&conn->collect_lock);
conn->max_buffsize = NETIUCV_BUFSIZE_DEFAULT;
conn->netdev = dev;
@@ -1822,8 +1844,10 @@ netiucv_new_connection(struct net_device *dev, char *username)
fsm_newstate(conn->fsm, CONN_STATE_STOPPED);
}
+ write_lock_irqsave(&iucv_conns.iucv_rwlock, flags);
conn->next = *clist;
*clist = conn;
+ write_unlock_irqrestore(&iucv_conns.iucv_rwlock, flags);
}
return conn;
}
@@ -1835,14 +1859,17 @@ netiucv_new_connection(struct net_device *dev, char *username)
static void
netiucv_remove_connection(struct iucv_connection *conn)
{
- struct iucv_connection **clist = &iucv_connections;
+ struct iucv_connection **clist = &iucv_conns.iucv_connections;
+ unsigned long flags;
IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
if (conn == NULL)
return;
+ write_lock_irqsave(&iucv_conns.iucv_rwlock, flags);
while (*clist) {
if (*clist == conn) {
*clist = conn->next;
+ write_unlock_irqrestore(&iucv_conns.iucv_rwlock, flags);
if (conn->handle) {
iucv_unregister_program(conn->handle);
conn->handle = NULL;
@@ -1855,6 +1882,7 @@ netiucv_remove_connection(struct iucv_connection *conn)
}
clist = &((*clist)->next);
}
+ write_unlock_irqrestore(&iucv_conns.iucv_rwlock, flags);
}
/**
@@ -1947,9 +1975,11 @@ static ssize_t
conn_write(struct device_driver *drv, const char *buf, size_t count)
{
char *p;
- char username[10];
+ char username[9];
int i, ret;
struct net_device *dev;
+ struct iucv_connection **clist = &iucv_conns.iucv_connections;
+ unsigned long flags;
IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
if (count>9) {
@@ -1960,7 +1990,7 @@ conn_write(struct device_driver *drv, const char *buf, size_t count)
for (i=0, p=(char *)buf; i<8 && *p; i++, p++) {
if (isalnum(*p) || (*p == '$'))
- username[i]= *p;
+ username[i]= toupper(*p);
else if (*p == '\n') {
/* trailing lf, grr */
break;
@@ -1971,9 +2001,22 @@ conn_write(struct device_driver *drv, const char *buf, size_t count)
return -EINVAL;
}
}
- while (i<9)
+ while (i<8)
username[i++] = ' ';
- username[9] = '\0';
+ username[8] = '\0';
+
+ read_lock_irqsave(&iucv_conns.iucv_rwlock, flags);
+ while (*clist) {
+ if (!strncmp(username, (*clist)->userid, 9))
+ break;
+ clist = &((*clist)->next);
+ }
+ read_unlock_irqrestore(&iucv_conns.iucv_rwlock, flags);
+ if (*clist) {
+ PRINT_WARN("netiucv: Connection to %s already exists\n",
+ username);
+ return -EEXIST;
+ }
dev = netiucv_init_netdevice(username);
if (!dev) {
PRINT_WARN(
@@ -2015,7 +2058,8 @@ DRIVER_ATTR(connection, 0200, NULL, conn_write);
static ssize_t
remove_write (struct device_driver *drv, const char *buf, size_t count)
{
- struct iucv_connection **clist = &iucv_connections;
+ struct iucv_connection **clist = &iucv_conns.iucv_connections;
+ unsigned long flags;
struct net_device *ndev;
struct netiucv_priv *priv;
struct device *dev;
@@ -2026,7 +2070,7 @@ remove_write (struct device_driver *drv, const char *buf, size_t count)
IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
if (count >= IFNAMSIZ)
- count = IFNAMSIZ-1;
+ count = IFNAMSIZ - 1;;
for (i=0, p=(char *)buf; i<count && *p; i++, p++) {
if ((*p == '\n') || (*p == ' ')) {
@@ -2038,6 +2082,7 @@ remove_write (struct device_driver *drv, const char *buf, size_t count)
}
name[i] = '\0';
+ read_lock_irqsave(&iucv_conns.iucv_rwlock, flags);
while (*clist) {
ndev = (*clist)->netdev;
priv = (struct netiucv_priv*)ndev->priv;
@@ -2047,6 +2092,7 @@ remove_write (struct device_driver *drv, const char *buf, size_t count)
clist = &((*clist)->next);
continue;
}
+ read_unlock_irqrestore(&iucv_conns.iucv_rwlock, flags);
if (ndev->flags & (IFF_UP | IFF_RUNNING)) {
PRINT_WARN(
"netiucv: net device %s active with peer %s\n",
@@ -2060,6 +2106,7 @@ remove_write (struct device_driver *drv, const char *buf, size_t count)
netiucv_unregister_device(dev);
return count;
}
+ read_unlock_irqrestore(&iucv_conns.iucv_rwlock, flags);
PRINT_WARN("netiucv: net device %s unknown\n", name);
IUCV_DBF_TEXT(data, 2, "remove_write: unknown device\n");
return -EINVAL;
@@ -2077,8 +2124,8 @@ static void __exit
netiucv_exit(void)
{
IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
- while (iucv_connections) {
- struct net_device *ndev = iucv_connections->netdev;
+ while (iucv_conns.iucv_connections) {
+ struct net_device *ndev = iucv_conns.iucv_connections->netdev;
struct netiucv_priv *priv = (struct netiucv_priv*)ndev->priv;
struct device *dev = priv->dev;
@@ -2120,6 +2167,7 @@ netiucv_init(void)
if (!ret) {
ret = driver_create_file(&netiucv_driver, &driver_attr_remove);
netiucv_banner();
+ rwlock_init(&iucv_conns.iucv_rwlock);
} else {
PRINT_ERR("NETIUCV: failed to add driver attribute.\n");
IUCV_DBF_TEXT_(setup, 2, "ret %d from driver_create_file\n", ret);
diff --git a/drivers/s390/net/qeth.h b/drivers/s390/net/qeth.h
index 619f4a0c716..821383d8cbe 100644
--- a/drivers/s390/net/qeth.h
+++ b/drivers/s390/net/qeth.h
@@ -176,7 +176,6 @@ extern struct ccwgroup_driver qeth_ccwgroup_driver;
/**
* card stuff
*/
-#ifdef CONFIG_QETH_PERF_STATS
struct qeth_perf_stats {
unsigned int bufs_rec;
unsigned int bufs_sent;
@@ -211,8 +210,10 @@ struct qeth_perf_stats {
unsigned int large_send_cnt;
unsigned int sg_skbs_sent;
unsigned int sg_frags_sent;
+ /* initial values when measuring starts */
+ unsigned long initial_rx_packets;
+ unsigned long initial_tx_packets;
};
-#endif /* CONFIG_QETH_PERF_STATS */
/* Routing stuff */
struct qeth_routing_info {
@@ -462,6 +463,7 @@ enum qeth_qdio_info_states {
QETH_QDIO_UNINITIALIZED,
QETH_QDIO_ALLOCATED,
QETH_QDIO_ESTABLISHED,
+ QETH_QDIO_CLEANING
};
struct qeth_buffer_pool_entry {
@@ -536,7 +538,7 @@ struct qeth_qdio_out_q {
} __attribute__ ((aligned(256)));
struct qeth_qdio_info {
- volatile enum qeth_qdio_info_states state;
+ atomic_t state;
/* input */
struct qeth_qdio_q *in_q;
struct qeth_qdio_buffer_pool in_buf_pool;
@@ -767,6 +769,7 @@ struct qeth_card_options {
int fake_ll;
int layer2;
enum qeth_large_send_types large_send;
+ int performance_stats;
};
/*
@@ -819,9 +822,7 @@ struct qeth_card {
struct list_head cmd_waiter_list;
/* QDIO buffer handling */
struct qeth_qdio_info qdio;
-#ifdef CONFIG_QETH_PERF_STATS
struct qeth_perf_stats perf_stats;
-#endif /* CONFIG_QETH_PERF_STATS */
int use_hard_stop;
int (*orig_hard_header)(struct sk_buff *,struct net_device *,
unsigned short,void *,void *,unsigned);
@@ -859,23 +860,18 @@ qeth_get_ipa_adp_type(enum qeth_link_types link_type)
}
}
-static inline int
-qeth_realloc_headroom(struct qeth_card *card, struct sk_buff **skb, int size)
+static inline struct sk_buff *
+qeth_realloc_headroom(struct qeth_card *card, struct sk_buff *skb, int size)
{
- struct sk_buff *new_skb = NULL;
-
- if (skb_headroom(*skb) < size){
- new_skb = skb_realloc_headroom(*skb, size);
- if (!new_skb) {
- PRINT_ERR("qeth_prepare_skb: could "
- "not realloc headroom for qeth_hdr "
- "on interface %s", QETH_CARD_IFNAME(card));
- return -ENOMEM;
- }
- kfree_skb(*skb);
- *skb = new_skb;
- }
- return 0;
+ struct sk_buff *new_skb = skb;
+
+ if (skb_headroom(skb) >= size)
+ return skb;
+ new_skb = skb_realloc_headroom(skb, size);
+ if (!new_skb)
+ PRINT_ERR("Could not realloc headroom for qeth_hdr "
+ "on interface %s", QETH_CARD_IFNAME(card));
+ return new_skb;
}
static inline struct sk_buff *
@@ -885,16 +881,15 @@ qeth_pskb_unshare(struct sk_buff *skb, int pri)
if (!skb_cloned(skb))
return skb;
nskb = skb_copy(skb,