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authorTony Luck <tony.luck@intel.com>2005-10-20 10:41:44 -0700
committerTony Luck <tony.luck@intel.com>2005-10-20 10:41:44 -0700
commit9cec58dc138d6fcad9f447a19c8ff69f6540e667 (patch)
tree4fe1cca94fdba8b705c87615bee06d3346f687ce /drivers/s390/net
parent17e5ad6c0ce5a970e2830d0de8bdd60a2f077d38 (diff)
parentac9b9c667c2e1194e22ebe0a441ae1c37aaa9b90 (diff)
downloadblackbird-op-linux-9cec58dc138d6fcad9f447a19c8ff69f6540e667.tar.gz
blackbird-op-linux-9cec58dc138d6fcad9f447a19c8ff69f6540e667.zip
Update from upstream with manual merge of Yasunori Goto's
changes to swiotlb.c made in commit 281dd25cdc0d6903929b79183816d151ea626341 since this file has been moved from arch/ia64/lib/swiotlb.c to lib/swiotlb.c Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'drivers/s390/net')
-rw-r--r--drivers/s390/net/qeth.h6
-rw-r--r--drivers/s390/net/qeth_main.c174
-rw-r--r--drivers/s390/net/qeth_sys.c17
3 files changed, 94 insertions, 103 deletions
diff --git a/drivers/s390/net/qeth.h b/drivers/s390/net/qeth.h
index 3a0285669adf..9963479ba89f 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 $"
#ifdef CONFIG_QETH_IPV6
#define QETH_VERSION_IPV6 ":IPv6"
@@ -686,6 +686,7 @@ struct qeth_seqno {
__u32 pdu_hdr;
__u32 pdu_hdr_ack;
__u16 ipa;
+ __u32 pkt_seqno;
};
struct qeth_reply {
@@ -848,6 +849,7 @@ qeth_realloc_headroom(struct qeth_card *card, struct sk_buff **skb, int size)
"on interface %s", QETH_CARD_IFNAME(card));
return -ENOMEM;
}
+ kfree_skb(*skb);
*skb = new_skb;
}
return 0;
@@ -1172,7 +1174,7 @@ extern int
qeth_realloc_buffer_pool(struct qeth_card *, int);
extern int
-qeth_set_large_send(struct qeth_card *);
+qeth_set_large_send(struct qeth_card *, enum qeth_large_send_types);
extern void
qeth_fill_header(struct qeth_card *, struct qeth_hdr *,
diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c
index 79c74f3a11f5..bd28e2438d7f 100644
--- a/drivers/s390/net/qeth_main.c
+++ b/drivers/s390/net/qeth_main.c
@@ -1,6 +1,6 @@
/*
*
- * linux/drivers/s390/net/qeth_main.c ($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";
/**
@@ -519,7 +511,7 @@ static int
__qeth_set_offline(struct ccwgroup_device *cgdev, int recovery_mode)
{
struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data;
- int rc = 0;
+ int rc = 0, rc2 = 0, rc3 = 0;
enum qeth_card_states recover_flag;
QETH_DBF_TEXT(setup, 3, "setoffl");
@@ -531,11 +523,13 @@ __qeth_set_offline(struct ccwgroup_device *cgdev, int recovery_mode)
CARD_BUS_ID(card));
return -ERESTARTSYS;
}
- if ((rc = ccw_device_set_offline(CARD_DDEV(card))) ||
- (rc = ccw_device_set_offline(CARD_WDEV(card))) ||
- (rc = ccw_device_set_offline(CARD_RDEV(card)))) {
+ rc = ccw_device_set_offline(CARD_DDEV(card));
+ rc2 = ccw_device_set_offline(CARD_WDEV(card));
+ rc3 = ccw_device_set_offline(CARD_RDEV(card));
+ if (!rc)
+ rc = (rc2) ? rc2 : rc3;
+ if (rc)
QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
- }
if (recover_flag == CARD_STATE_UP)
card->state = CARD_STATE_RECOVER;
qeth_notify_processes();
@@ -1054,6 +1048,7 @@ qeth_setup_card(struct qeth_card *card)
spin_lock_init(&card->vlanlock);
card->vlangrp = NULL;
#endif
+ spin_lock_init(&card->lock);
spin_lock_init(&card->ip_lock);
spin_lock_init(&card->thread_mask_lock);
card->thread_start_mask = 0;
@@ -1634,16 +1629,6 @@ qeth_cmd_timeout(unsigned long data)
spin_unlock_irqrestore(&reply->card->lock, flags);
}
-static void
-qeth_reset_ip_addresses(struct qeth_card *card)
-{
- QETH_DBF_TEXT(trace, 2, "rstipadd");
-
- qeth_clear_ip_list(card, 0, 1);
- /* this function will also schedule the SET_IP_THREAD */
- qeth_set_multicast_list(card->dev);
-}
-
static struct qeth_ipa_cmd *
qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob)
{
@@ -1672,9 +1657,8 @@ qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob)
"IP address reset.\n",
QETH_CARD_IFNAME(card),
card->info.chpid);
- card->lan_online = 1;
netif_carrier_on(card->dev);
- qeth_reset_ip_addresses(card);
+ qeth_schedule_recovery(card);
return NULL;
case IPA_CMD_REGISTER_LOCAL_ADDR:
QETH_DBF_TEXT(trace,3, "irla");
@@ -2395,6 +2379,7 @@ qeth_layer2_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
skb_pull(skb, VLAN_HLEN);
}
#endif
+ *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno;
return vlan_id;
}
@@ -2759,11 +2744,9 @@ 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 +2892,8 @@ 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);
@@ -3027,7 +3007,7 @@ qeth_alloc_buffer_pool(struct qeth_card *card)
return -ENOMEM;
}
for(j = 0; j < QETH_MAX_BUFFER_ELEMENTS(card); ++j){
- ptr = (void *) __get_free_page(GFP_KERNEL);
+ ptr = (void *) __get_free_page(GFP_KERNEL|GFP_DMA);
if (!ptr) {
while (j > 0)
free_page((unsigned long)
@@ -3071,7 +3051,8 @@ qeth_alloc_qdio_buffers(struct qeth_card *card)
if (card->qdio.state == QETH_QDIO_ALLOCATED)
return 0;
- card->qdio.in_q = kmalloc(sizeof(struct qeth_qdio_q), GFP_KERNEL);
+ card->qdio.in_q = kmalloc(sizeof(struct qeth_qdio_q),
+ GFP_KERNEL|GFP_DMA);
if (!card->qdio.in_q)
return - ENOMEM;
QETH_DBF_TEXT(setup, 2, "inq");
@@ -3096,7 +3077,7 @@ qeth_alloc_qdio_buffers(struct qeth_card *card)
}
for (i = 0; i < card->qdio.no_out_queues; ++i){
card->qdio.out_qs[i] = kmalloc(sizeof(struct qeth_qdio_out_q),
- GFP_KERNEL);
+ GFP_KERNEL|GFP_DMA);
if (!card->qdio.out_qs[i]){
while (i > 0)
kfree(card->qdio.out_qs[--i]);
@@ -3356,26 +3337,32 @@ 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 +3432,23 @@ 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 +3782,16 @@ 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 +4242,8 @@ 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 +4253,10 @@ 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 +4268,7 @@ 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 +4330,11 @@ 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 +4499,11 @@ 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 +4680,6 @@ 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 +4885,9 @@ 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 +4927,9 @@ 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 +4967,10 @@ 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)) {
@@ -5206,7 +5194,7 @@ qeth_free_vlan_addresses4(struct qeth_card *card, unsigned short vid)
if (!card->vlangrp)
return;
rcu_read_lock();
- in_dev = __in_dev_get(card->vlangrp->vlan_devices[vid]);
+ in_dev = __in_dev_get_rcu(card->vlangrp->vlan_devices[vid]);
if (!in_dev)
goto out;
for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
@@ -6476,6 +6464,9 @@ qeth_query_ipassists_cb(struct qeth_card *card, struct qeth_reply *reply,
if (cmd->hdr.prot_version == QETH_PROT_IPV4) {
card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported;
card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
+ /* Disable IPV6 support hard coded for Hipersockets */
+ if(card->info.type == QETH_CARD_TYPE_IQD)
+ card->options.ipa4.supported_funcs &= ~IPA_IPV6;
} else {
#ifdef CONFIG_QETH_IPV6
card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported;
@@ -7038,14 +7029,16 @@ 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 +7059,6 @@ 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;
}
@@ -7730,7 +7722,7 @@ qeth_arp_constructor(struct neighbour *neigh)
goto out;
rcu_read_lock();
- in_dev = rcu_dereference(__in_dev_get(dev));
+ in_dev = __in_dev_get_rcu(dev);
if (in_dev == NULL) {
rcu_read_unlock();
return -EINVAL;
@@ -8257,7 +8249,6 @@ 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 +8329,6 @@ 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 98bedb0cb387..dda105b73063 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;
}
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