diff options
| author | Chien Tung <ctung@neteffect.com> | 2008-09-26 15:08:10 -0500 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2008-09-30 15:35:49 -0700 |
| commit | 068e80de6af2b920d2644bba3a2c060431834160 (patch) | |
| tree | 4808d69a2e1bbd988623132d36fc207a170e6364 /drivers/infiniband/hw/nes/nes_nic.c | |
| parent | 168ac8244df5af1a9ab03bf39e4a9d3161dd9f11 (diff) | |
| download | lwn-068e80de6af2b920d2644bba3a2c060431834160.tar.gz lwn-068e80de6af2b920d2644bba3a2c060431834160.zip | |
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>
Diffstat (limited to 'drivers/infiniband/hw/nes/nes_nic.c')
| -rw-r--r-- | drivers/infiniband/hw/nes/nes_nic.c | 18 |
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 852546b67f77..639d0fcc00b4 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)); |