summaryrefslogtreecommitdiffstats
path: root/drivers/net/igb
diff options
context:
space:
mode:
authorAlexander Duyck <alexander.h.duyck@intel.com>2010-01-07 17:41:00 +0000
committerDavid S. Miller <davem@davemloft.net>2010-01-08 01:02:19 -0800
commit7f081d405adb5f905db11c6449319ab7c670722e (patch)
tree5314958fbd1f1a4c41f92e40ca089a425f78a9ff /drivers/net/igb
parent959d20bfe8b90023c862dec3956054027a5a0912 (diff)
downloadop-kernel-dev-7f081d405adb5f905db11c6449319ab7c670722e.zip
op-kernel-dev-7f081d405adb5f905db11c6449319ab7c670722e.tar.gz
igb: add support for device reset interrupt
This patch adds support for the global device reset interrupt. Without this change the drivers will report tx hangs on all ports when a global device reset occurs. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/igb')
-rw-r--r--drivers/net/igb/igb_main.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 484fbc8..e959b88 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -4110,6 +4110,9 @@ static irqreturn_t igb_msix_other(int irq, void *data)
u32 icr = rd32(E1000_ICR);
/* reading ICR causes bit 31 of EICR to be cleared */
+ if (icr & E1000_ICR_DRSTA)
+ schedule_work(&adapter->reset_task);
+
if (icr & E1000_ICR_DOUTSYNC) {
/* HW is reporting DMA is out of sync */
adapter->stats.doosync++;
@@ -4733,6 +4736,9 @@ static irqreturn_t igb_intr_msi(int irq, void *data)
igb_write_itr(q_vector);
+ if (icr & E1000_ICR_DRSTA)
+ schedule_work(&adapter->reset_task);
+
if (icr & E1000_ICR_DOUTSYNC) {
/* HW is reporting DMA is out of sync */
adapter->stats.doosync++;
@@ -4772,6 +4778,9 @@ static irqreturn_t igb_intr(int irq, void *data)
if (!(icr & E1000_ICR_INT_ASSERTED))
return IRQ_NONE;
+ if (icr & E1000_ICR_DRSTA)
+ schedule_work(&adapter->reset_task);
+
if (icr & E1000_ICR_DOUTSYNC) {
/* HW is reporting DMA is out of sync */
adapter->stats.doosync++;
OpenPOWER on IntegriCloud