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-rw-r--r--drivers/s390/net/ctcmain.c41
-rw-r--r--drivers/s390/net/qeth.h4
-rw-r--r--drivers/s390/net/qeth_main.c133
-rw-r--r--drivers/s390/net/qeth_sys.c17
4 files changed, 95 insertions, 100 deletions
diff --git a/drivers/s390/net/ctcmain.c b/drivers/s390/net/ctcmain.c
index 96ca863eaff..0db4f57a6a9 100644
--- a/drivers/s390/net/ctcmain.c
+++ b/drivers/s390/net/ctcmain.c
@@ -1,5 +1,5 @@
/*
- * $Id: ctcmain.c,v 1.74 2005/03/24 09:04:17 mschwide Exp $
+ * $Id: ctcmain.c,v 1.78 2005/09/07 12:18:02 pavlic Exp $
*
* CTC / ESCON network driver
*
@@ -37,10 +37,9 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
- * RELEASE-TAG: CTC/ESCON network driver $Revision: 1.74 $
+ * RELEASE-TAG: CTC/ESCON network driver $Revision: 1.78 $
*
*/
-
#undef DEBUG
#include <linux/module.h>
#include <linux/init.h>
@@ -135,7 +134,7 @@ static const char *dev_event_names[] = {
"TX down",
"Restart",
};
-
+
/**
* Events of the channel statemachine
*/
@@ -249,7 +248,7 @@ static void
print_banner(void)
{
static int printed = 0;
- char vbuf[] = "$Revision: 1.74 $";
+ char vbuf[] = "$Revision: 1.78 $";
char *version = vbuf;
if (printed)
@@ -334,7 +333,7 @@ static const char *ch_state_names[] = {
"Restarting",
"Not operational",
};
-
+
#ifdef DEBUG
/**
* Dump header and first 16 bytes of an sk_buff for debugging purposes.
@@ -671,7 +670,7 @@ static void
fsm_action_nop(fsm_instance * fi, int event, void *arg)
{
}
-
+
/**
* Actions for channel - statemachines.
*****************************************************************************/
@@ -1514,7 +1513,6 @@ ch_action_reinit(fsm_instance *fi, int event, void *arg)
fsm_addtimer(&privptr->restart_timer, 1000, DEV_EVENT_RESTART, dev);
}
-
/**
* The statemachine for a channel.
*/
@@ -1625,7 +1623,7 @@ static const fsm_node ch_fsm[] = {
};
static const int CH_FSM_LEN = sizeof (ch_fsm) / sizeof (fsm_node);
-
+
/**
* Functions related to setup and device detection.
*****************************************************************************/
@@ -1976,7 +1974,7 @@ ctc_irq_handler(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
fsm_event(ch->fsm, CH_EVENT_IRQ, ch);
}
-
+
/**
* Actions for interface - statemachine.
*****************************************************************************/
@@ -2209,13 +2207,18 @@ transmit_skb(struct channel *ch, struct sk_buff *skb)
int rc = 0;
DBF_TEXT(trace, 5, __FUNCTION__);
+ /* we need to acquire the lock for testing the state
+ * otherwise we can have an IRQ changing the state to
+ * TXIDLE after the test but before acquiring the lock.
+ */
+ spin_lock_irqsave(&ch->collect_lock, saveflags);
if (fsm_getstate(ch->fsm) != CH_STATE_TXIDLE) {
int l = skb->len + LL_HEADER_LENGTH;
- spin_lock_irqsave(&ch->collect_lock, saveflags);
- if (ch->collect_len + l > ch->max_bufsize - 2)
- rc = -EBUSY;
- else {
+ if (ch->collect_len + l > ch->max_bufsize - 2) {
+ spin_unlock_irqrestore(&ch->collect_lock, saveflags);
+ return -EBUSY;
+ } else {
atomic_inc(&skb->users);
header.length = l;
header.type = skb->protocol;
@@ -2231,7 +2234,7 @@ transmit_skb(struct channel *ch, struct sk_buff *skb)
int ccw_idx;
struct sk_buff *nskb;
unsigned long hi;
-
+ spin_unlock_irqrestore(&ch->collect_lock, saveflags);
/**
* Protect skb against beeing free'd by upper
* layers.
@@ -2256,6 +2259,7 @@ transmit_skb(struct channel *ch, struct sk_buff *skb)
if (!nskb) {
atomic_dec(&skb->users);
skb_pull(skb, LL_HEADER_LENGTH + 2);
+ ctc_clear_busy(ch->netdev);
return -ENOMEM;
} else {
memcpy(skb_put(nskb, skb->len),
@@ -2281,6 +2285,7 @@ transmit_skb(struct channel *ch, struct sk_buff *skb)
*/
atomic_dec(&skb->users);
skb_pull(skb, LL_HEADER_LENGTH + 2);
+ ctc_clear_busy(ch->netdev);
return -EBUSY;
}
@@ -2327,9 +2332,10 @@ transmit_skb(struct channel *ch, struct sk_buff *skb)
}
}
+ ctc_clear_busy(ch->netdev);
return rc;
}
-
+
/**
* Interface API for upper network layers
*****************************************************************************/
@@ -2421,7 +2427,6 @@ ctc_tx(struct sk_buff *skb, struct net_device * dev)
dev->trans_start = jiffies;
if (transmit_skb(privptr->channel[WRITE], skb) != 0)
rc = 1;
- ctc_clear_busy(dev);
return rc;
}
@@ -2610,7 +2615,6 @@ stats_write(struct device *dev, struct device_attribute *attr, const char *buf,
return count;
}
-
static void
ctc_netdev_unregister(struct net_device * dev)
{
@@ -2685,7 +2689,6 @@ ctc_proto_store(struct device *dev, struct device_attribute *attr, const char *b
return count;
}
-
static ssize_t
ctc_type_show(struct device *dev, struct device_attribute *attr, char *buf)
{
diff --git a/drivers/s390/net/qeth.h b/drivers/s390/net/qeth.h
index 3a0285669ad..2ad4797ce02 100644
--- a/drivers/s390/net/qeth.h
+++ b/drivers/s390/net/qeth.h
@@ -24,7 +24,7 @@
#include "qeth_mpc.h"
-#define VERSION_QETH_H "$Revision: 1.139 $"
+#define VERSION_QETH_H "$Revision: 1.142 $"
#ifdef CONFIG_QETH_IPV6
#define QETH_VERSION_IPV6 ":IPv6"
@@ -1172,7 +1172,7 @@ extern int
qeth_realloc_buffer_pool(struct qeth_card *, int);
extern int
-qeth_set_large_send(struct qeth_card *);
+qeth_set_large_send(struct qeth_card *, enum qeth_large_send_types);
extern void
qeth_fill_header(struct qeth_card *, struct qeth_hdr *,
diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c
index 79c74f3a11f..86582cf1e19 100644
--- a/drivers/s390/net/qeth_main.c
+++ b/drivers/s390/net/qeth_main.c
@@ -1,6 +1,6 @@
/*
*
- * linux/drivers/s390/net/qeth_main.c ($Revision: 1.214 $)
+ * linux/drivers/s390/net/qeth_main.c ($Revision: 1.224 $)
*
* Linux on zSeries OSA Express and HiperSockets support
*
@@ -12,7 +12,7 @@
* Frank Pavlic (pavlic@de.ibm.com) and
* Thomas Spatzier <tspat@de.ibm.com>
*
- * $Revision: 1.214 $ $Date: 2005/05/04 20:19:18 $
+ * $Revision: 1.224 $ $Date: 2005/05/04 20:19:18 $
*
* 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
@@ -29,14 +29,6 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-/***
- * eye catcher; just for debugging purposes
- */
-void volatile
-qeth_eyecatcher(void)
-{
- return;
-}
#include <linux/config.h>
#include <linux/module.h>
@@ -80,7 +72,7 @@ qeth_eyecatcher(void)
#include "qeth_eddp.h"
#include "qeth_tso.h"
-#define VERSION_QETH_C "$Revision: 1.214 $"
+#define VERSION_QETH_C "$Revision: 1.224 $"
static const char *version = "qeth S/390 OSA-Express driver";
/**
@@ -2759,11 +2751,9 @@ qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int,
queue->card->perf_stats.outbound_do_qdio_start_time;
#endif
if (rc){
- QETH_DBF_SPRINTF(trace, 0, "qeth_flush_buffers: do_QDIO "
- "returned error (%i) on device %s.",
- rc, CARD_DDEV_ID(queue->card));
QETH_DBF_TEXT(trace, 2, "flushbuf");
QETH_DBF_TEXT_(trace, 2, " err%d", rc);
+ QETH_DBF_TEXT_(trace, 2, "%s", CARD_DDEV_ID(queue->card));
queue->card->stats.tx_errors += count;
/* this must not happen under normal circumstances. if it
* happens something is really wrong -> recover */
@@ -2909,11 +2899,8 @@ qeth_qdio_output_handler(struct ccw_device * ccwdev, unsigned int status,
QETH_DBF_TEXT(trace, 6, "qdouhdl");
if (status & QDIO_STATUS_LOOK_FOR_ERROR) {
if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){
- QETH_DBF_SPRINTF(trace, 2, "On device %s: "
- "received active check "
- "condition (0x%08x).",
- CARD_BUS_ID(card), status);
- QETH_DBF_TEXT(trace, 2, "chkcond");
+ QETH_DBF_TEXT(trace, 2, "achkcond");
+ QETH_DBF_TEXT_(trace, 2, "%s", CARD_BUS_ID(card));
QETH_DBF_TEXT_(trace, 2, "%08x", status);
netif_stop_queue(card->dev);
qeth_schedule_recovery(card);
@@ -3356,26 +3343,32 @@ qeth_halt_channel(struct qeth_channel *channel)
static int
qeth_halt_channels(struct qeth_card *card)
{
- int rc = 0;
+ int rc1 = 0, rc2=0, rc3 = 0;
QETH_DBF_TEXT(trace,3,"haltchs");
- if ((rc = qeth_halt_channel(&card->read)))
- return rc;
- if ((rc = qeth_halt_channel(&card->write)))
- return rc;
- return qeth_halt_channel(&card->data);
+ rc1 = qeth_halt_channel(&card->read);
+ rc2 = qeth_halt_channel(&card->write);
+ rc3 = qeth_halt_channel(&card->data);
+ if (rc1)
+ return rc1;
+ if (rc2)
+ return rc2;
+ return rc3;
}
static int
qeth_clear_channels(struct qeth_card *card)
{
- int rc = 0;
+ int rc1 = 0, rc2=0, rc3 = 0;
QETH_DBF_TEXT(trace,3,"clearchs");
- if ((rc = qeth_clear_channel(&card->read)))
- return rc;
- if ((rc = qeth_clear_channel(&card->write)))
- return rc;
- return qeth_clear_channel(&card->data);
+ rc1 = qeth_clear_channel(&card->read);
+ rc2 = qeth_clear_channel(&card->write);
+ rc3 = qeth_clear_channel(&card->data);
+ if (rc1)
+ return rc1;
+ if (rc2)
+ return rc2;
+ return rc3;
}
static int
@@ -3445,23 +3438,23 @@ qeth_mpc_initialize(struct qeth_card *card)
}
if ((rc = qeth_cm_enable(card))){
QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
- return rc;
+ goto out_qdio;
}
if ((rc = qeth_cm_setup(card))){
QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
- return rc;
+ goto out_qdio;
}
if ((rc = qeth_ulp_enable(card))){
QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
- return rc;
+ goto out_qdio;
}
if ((rc = qeth_ulp_setup(card))){
QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
- return rc;
+ goto out_qdio;
}
if ((rc = qeth_alloc_qdio_buffers(card))){
QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
- return rc;
+ goto out_qdio;
}
if ((rc = qeth_qdio_establish(card))){
QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
@@ -3795,12 +3788,16 @@ static inline int
qeth_prepare_skb(struct qeth_card *card, struct sk_buff **skb,
struct qeth_hdr **hdr, int ipv)
{
+ int rc;
#ifdef CONFIG_QETH_VLAN
u16 *tag;
#endif
QETH_DBF_TEXT(trace, 6, "prepskb");
+ rc = qeth_realloc_headroom(card, skb, sizeof(struct qeth_hdr));
+ if (rc)
+ return rc;
#ifdef CONFIG_QETH_VLAN
if (card->vlangrp && vlan_tx_tag_present(*skb) &&
((ipv == 6) || card->options.layer2) ) {
@@ -4251,7 +4248,8 @@ out:
}
static inline int
-qeth_get_elements_no(struct qeth_card *card, void *hdr, struct sk_buff *skb)
+qeth_get_elements_no(struct qeth_card *card, void *hdr,
+ struct sk_buff *skb, int elems)
{
int elements_needed = 0;
@@ -4261,9 +4259,10 @@ qeth_get_elements_no(struct qeth_card *card, void *hdr, struct sk_buff *skb)
if (elements_needed == 0 )
elements_needed = 1 + (((((unsigned long) hdr) % PAGE_SIZE)
+ skb->len) >> PAGE_SHIFT);
- if (elements_needed > QETH_MAX_BUFFER_ELEMENTS(card)){
+ if ((elements_needed + elems) > QETH_MAX_BUFFER_ELEMENTS(card)){
PRINT_ERR("qeth_do_send_packet: invalid size of "
- "IP packet. Discarded.");
+ "IP packet (Number=%d / Length=%d). Discarded.\n",
+ (elements_needed+elems), skb->len);
return 0;
}
return elements_needed;
@@ -4275,7 +4274,7 @@ qeth_send_packet(struct qeth_card *card, struct sk_buff *skb)
int ipv = 0;
int cast_type;
struct qeth_qdio_out_q *queue;
- struct qeth_hdr *hdr;
+ struct qeth_hdr *hdr = NULL;
int elements_needed = 0;
enum qeth_large_send_types large_send = QETH_LARGE_SEND_NO;
struct qeth_eddp_context *ctx = NULL;
@@ -4337,9 +4336,11 @@ qeth_send_packet(struct qeth_card *card, struct sk_buff *skb)
return -EINVAL;
}
} else {
- elements_needed += qeth_get_elements_no(card,(void*) hdr, skb);
- if (!elements_needed)
+ int elems = qeth_get_elements_no(card,(void*) hdr, skb,
+ elements_needed);
+ if (!elems)
return -EINVAL;
+ elements_needed += elems;
}
if (card->info.type != QETH_CARD_TYPE_IQD)
@@ -4504,7 +4505,11 @@ qeth_arp_set_no_entries(struct qeth_card *card, int no_entries)
QETH_DBF_TEXT(trace,3,"arpstnoe");
- /* TODO: really not supported by GuestLAN? */
+ /*
+ * currently GuestLAN only supports the ARP assist function
+ * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES;
+ * thus we say EOPNOTSUPP for this ARP function
+ */
if (card->info.guestlan)
return -EOPNOTSUPP;
if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
@@ -4681,14 +4686,6 @@ qeth_arp_query(struct qeth_card *card, char *udata)
QETH_DBF_TEXT(trace,3,"arpquery");
- /*
- * currently GuestLAN does only deliver all zeros on query arp,
- * even though arp processing is supported (according to IPA supp.
- * funcs flags); since all zeros is no valueable information,
- * we say EOPNOTSUPP for all ARP functions
- */
- /*if (card->info.guestlan)
- return -EOPNOTSUPP; */
if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/
IPA_ARP_PROCESSING)) {
PRINT_WARN("ARP processing not supported "
@@ -4894,10 +4891,9 @@ qeth_arp_add_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry)
QETH_DBF_TEXT(trace,3,"arpadent");
/*
- * currently GuestLAN does only deliver all zeros on query arp,
- * even though arp processing is supported (according to IPA supp.
- * funcs flags); since all zeros is no valueable information,
- * we say EOPNOTSUPP for all ARP functions
+ * currently GuestLAN only supports the ARP assist function
+ * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY;
+ * thus we say EOPNOTSUPP for this ARP function
*/
if (card->info.guestlan)
return -EOPNOTSUPP;
@@ -4937,10 +4933,9 @@ qeth_arp_remove_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry
QETH_DBF_TEXT(trace,3,"arprment");
/*
- * currently GuestLAN does only deliver all zeros on query arp,
- * even though arp processing is supported (according to IPA supp.
- * funcs flags); since all zeros is no valueable information,
- * we say EOPNOTSUPP for all ARP functions
+ * currently GuestLAN only supports the ARP assist function
+ * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY;
+ * thus we say EOPNOTSUPP for this ARP function
*/
if (card->info.guestlan)
return -EOPNOTSUPP;
@@ -4978,11 +4973,10 @@ qeth_arp_flush_cache(struct qeth_card *card)
QETH_DBF_TEXT(trace,3,"arpflush");
/*
- * currently GuestLAN does only deliver all zeros on query arp,
- * even though arp processing is supported (according to IPA supp.
- * funcs flags); since all zeros is no valueable information,
- * we say EOPNOTSUPP for all ARP functions
- */
+ * currently GuestLAN only supports the ARP assist function
+ * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE;
+ * thus we say EOPNOTSUPP for this ARP function
+ */
if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD))
return -EOPNOTSUPP;
if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) {
@@ -7038,14 +7032,16 @@ qeth_setrouting_v6(struct qeth_card *card)
}
int
-qeth_set_large_send(struct qeth_card *card)
+qeth_set_large_send(struct qeth_card *card, enum qeth_large_send_types type)
{
int rc = 0;
- if (card->dev == NULL)
+ if (card->dev == NULL) {
+ card->options.large_send = type;
return 0;
-
+ }
netif_stop_queue(card->dev);
+ card->options.large_send = type;
switch (card->options.large_send) {
case QETH_LARGE_SEND_EDDP:
card->dev->features |= NETIF_F_TSO | NETIF_F_SG;
@@ -7066,7 +7062,6 @@ qeth_set_large_send(struct qeth_card *card)
card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
break;
}
-
netif_wake_queue(card->dev);
return rc;
}
@@ -8257,7 +8252,6 @@ qeth_init(void)
{
int rc=0;
- qeth_eyecatcher();
PRINT_INFO("loading %s (%s/%s/%s/%s/%s/%s/%s %s %s)\n",
version, VERSION_QETH_C, VERSION_QETH_H,
VERSION_QETH_MPC_H, VERSION_QETH_MPC_C,
@@ -8338,7 +8332,6 @@ again:
printk("qeth: removed\n");
}
-EXPORT_SYMBOL(qeth_eyecatcher);
module_init(qeth_init);
module_exit(qeth_exit);
MODULE_AUTHOR("Frank Pavlic <pavlic@de.ibm.com>");
diff --git a/drivers/s390/net/qeth_sys.c b/drivers/s390/net/qeth_sys.c
index 98bedb0cb38..dda105b7306 100644
--- a/drivers/s390/net/qeth_sys.c
+++ b/drivers/s390/net/qeth_sys.c
@@ -1,6 +1,6 @@
/*
*
- * linux/drivers/s390/net/qeth_sys.c ($Revision: 1.51 $)
+ * linux/drivers/s390/net/qeth_sys.c ($Revision: 1.54 $)
*
* Linux on zSeries OSA Express and HiperSockets support
* This file contains code related to sysfs.
@@ -20,7 +20,7 @@
#include "qeth_mpc.h"
#include "qeth_fs.h"
-const char *VERSION_QETH_SYS_C = "$Revision: 1.51 $";
+const char *VERSION_QETH_SYS_C = "$Revision: 1.54 $";
/*****************************************************************************/
/* */
@@ -722,10 +722,13 @@ qeth_dev_layer2_store(struct device *dev, struct device_attribute *attr, const c
if (!card)
return -EINVAL;
+ if (card->info.type == QETH_CARD_TYPE_IQD) {
+ PRINT_WARN("Layer2 on Hipersockets is not supported! \n");
+ return -EPERM;
+ }
if (((card->state != CARD_STATE_DOWN) &&
- (card->state != CARD_STATE_RECOVER)) ||
- (card->info.type != QETH_CARD_TYPE_OSAE))
+ (card->state != CARD_STATE_RECOVER)))
return -EPERM;
i = simple_strtoul(buf, &tmp, 16);
@@ -771,9 +774,7 @@ qeth_dev_large_send_store(struct device *dev, struct device_attribute *attr, con
if (!card)
return -EINVAL;
-
tmp = strsep((char **) &buf, "\n");
-
if (!strcmp(tmp, "no")){
type = QETH_LARGE_SEND_NO;
} else if (!strcmp(tmp, "EDDP")) {
@@ -786,10 +787,8 @@ qeth_dev_large_send_store(struct device *dev, struct device_attribute *attr, con
}
if (card->options.large_send == type)
return count;
- card->options.large_send = type;
- if ((rc = qeth_set_large_send(card)))
+ if ((rc = qeth_set_large_send(card, type)))
return rc;
-
return count;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 08:38:20 +0000