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authorChien Tung <ctung@neteffect.com>2008-09-26 15:08:10 -0500
committerRoland Dreier <rolandd@cisco.com>2008-09-30 15:35:49 -0700
commit068e80de6af2b920d2644bba3a2c060431834160 (patch)
tree4808d69a2e1bbd988623132d36fc207a170e6364
parent168ac8244df5af1a9ab03bf39e4a9d3161dd9f11 (diff)
RDMA/nes: Stop spurious MAC interrupts
Mask off MAC interrupts on netdev_stop to prevent spurious MAC interrupts on unload/reload of iw_nes. Signed-off-by: Sweta Bhatt <sweta.bhatt@einfochips.com> Signed-off-by: Chien Tung <ctung@neteffect.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
-rw-r--r--drivers/infiniband/hw/nes/nes_nic.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c
index 852546b67f7..639d0fcc00b 100644
--- a/drivers/infiniband/hw/nes/nes_nic.c
+++ b/drivers/infiniband/hw/nes/nes_nic.c
@@ -272,14 +272,18 @@ static int nes_netdev_stop(struct net_device *netdev)
break;
}
- if (first_nesvnic->netdev_open == 0)
+ if ((first_nesvnic->netdev_open == 1) && (first_nesvnic != nesvnic) &&
+ (PCI_FUNC(first_nesvnic->nesdev->pcidev->devfn) !=
+ PCI_FUNC(nesvnic->nesdev->pcidev->devfn))) {
+ nes_write_indexed(nesdev, NES_IDX_MAC_INT_MASK+
+ (0x200*nesdev->mac_index), 0xffffffff);
+ nes_write_indexed(first_nesvnic->nesdev,
+ NES_IDX_MAC_INT_MASK+
+ (0x200*first_nesvnic->nesdev->mac_index),
+ ~(NES_MAC_INT_LINK_STAT_CHG | NES_MAC_INT_XGMII_EXT |
+ NES_MAC_INT_TX_UNDERFLOW | NES_MAC_INT_TX_ERROR));
+ } else {
nes_write_indexed(nesdev, NES_IDX_MAC_INT_MASK+(0x200*nesdev->mac_index), 0xffffffff);
- else if ((first_nesvnic != nesvnic) &&
- (PCI_FUNC(first_nesvnic->nesdev->pcidev->devfn) != PCI_FUNC(nesvnic->nesdev->pcidev->devfn))) {
- nes_write_indexed(nesdev, NES_IDX_MAC_INT_MASK + (0x200 * nesdev->mac_index), 0xffffffff);
- nes_write_indexed(first_nesvnic->nesdev, NES_IDX_MAC_INT_MASK + (0x200 * first_nesvnic->nesdev->mac_index),
- ~(NES_MAC_INT_LINK_STAT_CHG | NES_MAC_INT_XGMII_EXT |
- NES_MAC_INT_TX_UNDERFLOW | NES_MAC_INT_TX_ERROR));
}
nic_active_mask = ~((u32)(1 << nesvnic->nic_index));