qlge: Clear frame to queue routing before reset.
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>
diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 7f37267..1da831e 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -3040,25 +3040,40 @@
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 @@
{
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 {