redonkable/remarkable-linux
redonkable/remarkable-linux
1
0
Fork 0
Code Releases Activity

qlge: Clear frame to queue routing before reset.

Browse source 
Not clearing the routing bits can cause frames to erroneously get routed to
management processor.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ron Mercer 2009-07-02 06:06:07 +00:00 committed by David S. Miller
parent 4322c5bee8
commit a5f59dc926
1 changed files with 34 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

45
drivers/net/qlge/qlge_main.c
View file

@ -3040,25 +3040,40 @@ static int ql_start_rss(struct ql_adapter *qdev)
return status;
}
static int ql_clear_routing_entries(struct ql_adapter *qdev)
{
int i, status = 0;
status = ql_sem_spinlock(qdev, SEM_RT_IDX_MASK);
if (status)
return status;
/* Clear all the entries in the routing table. */
for (i = 0; i < 16; i++) {
status = ql_set_routing_reg(qdev, i, 0, 0);
if (status) {
QPRINTK(qdev, IFUP, ERR,
"Failed to init routing register for CAM "
"packets.\n");
break;
}
}
ql_sem_unlock(qdev, SEM_RT_IDX_MASK);
return status;
}
/* Initialize the frame-to-queue routing. */
static int ql_route_initialize(struct ql_adapter *qdev)
{
int status = 0;
int i;
status = ql_sem_spinlock(qdev, SEM_RT_IDX_MASK);
if (status)
return status;
/* Clear all the entries in the routing table. */
for (i = 0; i < 16; i++) {
status = ql_set_routing_reg(qdev, i, 0, 0);
if (status) {
QPRINTK(qdev, IFUP, ERR,
"Failed to init routing register for CAM packets.\n");
goto exit;
}
}
status = ql_clear_routing_entries(qdev);
if (status)
goto exit;
status = ql_set_routing_reg(qdev, RT_IDX_ALL_ERR_SLOT, RT_IDX_ERR, 1);
if (status) {
@ -3211,9 +3226,17 @@ static int ql_adapter_reset(struct ql_adapter *qdev)
{
u32 value;
int status = 0;
unsigned long end_jiffies = jiffies +
max((unsigned long)1, usecs_to_jiffies(30));
unsigned long end_jiffies;
/* Clear all the entries in the routing table. */
status = ql_clear_routing_entries(qdev);
if (status) {
QPRINTK(qdev, IFUP, ERR, "Failed to clear routing bits.\n");
return status;
}
end_jiffies = jiffies +
max((unsigned long)1, usecs_to_jiffies(30));
ql_write32(qdev, RST_FO, (RST_FO_FR << 16) | RST_FO_FR);
do {