From: frank.blaschka@de.ibm.com
To: davem@davemloft.net
Cc: netdev@vger.kernel.org, linux-s390@vger.kernel.org,
Ursula Braun <ursula.braun@de.ibm.com>
Subject: [patch 5/6] [PATCH] qeth: check for completion of a running recovery
Date: Wed, 25 Mar 2009 07:57:18 +0100 [thread overview]
Message-ID: <20090325065809.218719000@de.ibm.com> (raw)
In-Reply-To: 20090325065713.054133000@de.ibm.com
[-- Attachment #1: 618-qeth-recovery.diff --]
[-- Type: text/plain, Size: 3259 bytes --]
From: Ursula Braun <ursula.braun@de.ibm.com>
When a recovery is started for a qeth device, additional invocations
to change a mac address, to configure a VLAN interface on top, or to
add multicast addresses should wait till recovery is finished,
otherwise recovery might fail.
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
---
drivers/s390/net/qeth_l2_main.c | 15 +++++++++++++++
drivers/s390/net/qeth_l3_main.c | 7 +++++++
2 files changed, 22 insertions(+)
diff -urpN linux-2.6/drivers/s390/net/qeth_l2_main.c linux-2.6-patched/drivers/s390/net/qeth_l2_main.c
--- linux-2.6/drivers/s390/net/qeth_l2_main.c 2009-03-20 09:46:53.000000000 +0100
+++ linux-2.6-patched/drivers/s390/net/qeth_l2_main.c 2009-03-20 09:46:53.000000000 +0100
@@ -327,6 +327,10 @@ static void qeth_l2_vlan_rx_add_vid(stru
struct qeth_vlan_vid *id;
QETH_DBF_TEXT_(TRACE, 4, "aid:%d", vid);
+ if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) {
+ QETH_DBF_TEXT(TRACE, 3, "aidREC");
+ return;
+ }
id = kmalloc(sizeof(struct qeth_vlan_vid), GFP_ATOMIC);
if (id) {
id->vid = vid;
@@ -343,6 +347,10 @@ static void qeth_l2_vlan_rx_kill_vid(str
struct qeth_card *card = dev->ml_priv;
QETH_DBF_TEXT_(TRACE, 4, "kid:%d", vid);
+ if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) {
+ QETH_DBF_TEXT(TRACE, 3, "kidREC");
+ return;
+ }
spin_lock_bh(&card->vlanlock);
list_for_each_entry(id, &card->vid_list, list) {
if (id->vid == vid) {
@@ -594,6 +602,10 @@ static int qeth_l2_set_mac_address(struc
}
QETH_DBF_TEXT_(TRACE, 3, "%s", CARD_BUS_ID(card));
QETH_DBF_HEX(TRACE, 3, addr->sa_data, OSA_ADDR_LEN);
+ if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) {
+ QETH_DBF_TEXT(TRACE, 3, "setmcREC");
+ return -ERESTARTSYS;
+ }
rc = qeth_l2_send_delmac(card, &card->dev->dev_addr[0]);
if (!rc)
rc = qeth_l2_send_setmac(card, addr->sa_data);
@@ -609,6 +621,9 @@ static void qeth_l2_set_multicast_list(s
return ;
QETH_DBF_TEXT(TRACE, 3, "setmulti");
+ if (qeth_threads_running(card, QETH_RECOVER_THREAD) &&
+ (card->state != CARD_STATE_UP))
+ return;
qeth_l2_del_all_mc(card);
spin_lock_bh(&card->mclock);
for (dm = dev->mc_list; dm; dm = dm->next)
diff -urpN linux-2.6/drivers/s390/net/qeth_l3_main.c linux-2.6-patched/drivers/s390/net/qeth_l3_main.c
--- linux-2.6/drivers/s390/net/qeth_l3_main.c 2009-03-20 09:46:52.000000000 +0100
+++ linux-2.6-patched/drivers/s390/net/qeth_l3_main.c 2009-03-20 09:46:53.000000000 +0100
@@ -1838,6 +1838,10 @@ static void qeth_l3_vlan_rx_kill_vid(str
unsigned long flags;
QETH_DBF_TEXT_(TRACE, 4, "kid:%d", vid);
+ if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) {
+ QETH_DBF_TEXT(TRACE, 3, "kidREC");
+ return;
+ }
spin_lock_irqsave(&card->vlanlock, flags);
/* unregister IP addresses of vlan device */
qeth_l3_free_vlan_addresses(card, vid);
@@ -2101,6 +2105,9 @@ static void qeth_l3_set_multicast_list(s
struct qeth_card *card = dev->ml_priv;
QETH_DBF_TEXT(TRACE, 3, "setmulti");
+ if (qeth_threads_running(card, QETH_RECOVER_THREAD) &&
+ (card->state != CARD_STATE_UP))
+ return;
qeth_l3_delete_mc_addresses(card);
qeth_l3_add_multicast_ipv4(card);
#ifdef CONFIG_QETH_IPV6
next prev parent reply other threads:[~2009-03-25 6:58 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-25 6:57 [patch 0/6] s390: qeth fixes for 2.6.30 frank.blaschka
2009-03-25 6:57 ` [patch 1/6] [PATCH] qeth: struct device - replace bus_id with dev_name(), dev_set_name() frank.blaschka
2009-03-25 6:57 ` [patch 2/6] [PATCH] qeth: add statistics for tx csum frank.blaschka
2009-03-25 6:57 ` [patch 3/6] [PATCH] qeth: remove EDDP frank.blaschka
2009-03-25 6:57 ` [patch 4/6] [PATCH] qeth: unregister MAC addresses during recovery frank.blaschka
2009-03-25 6:57 ` frank.blaschka [this message]
2009-03-25 6:57 ` [patch 6/6] [PATCH] qeth: fix wait_event_timeout handling frank.blaschka
2009-03-25 7:08 ` [patch 0/6] s390: qeth fixes for 2.6.30 David Miller
2009-03-25 8:25 ` Frank Blaschka
2009-03-25 23:47 ` David Miller
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