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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>
hifive-unleashed-5.1
Chien Tung 2008-09-26 15:08:10 -05:00 committed by Roland Dreier
parent 168ac8244d
commit 068e80de6a
1 changed files with 11 additions and 7 deletions
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18
drivers/infiniband/hw/nes/nes_nic.c
View File

@ -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));