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| author | Alexander Duyck <alexander.h.duyck@intel.com> | 2008-08-26 04:25:03 -0700 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2008-08-27 05:16:27 -0400 |
| commit | 7a6ea550f2f7592742ac765e5a3b4b5d1461e0bd (patch) | |
| tree | 4f347f2054987626af467cd2031af5517bf7d81f /drivers/net/igb | |
| parent | a866bbf6aacf95f849810079442a20be118ce905 (diff) | |
| download | kernel_samsung_smdk4412-7a6ea550f2f7592742ac765e5a3b4b5d1461e0bd.zip kernel_samsung_smdk4412-7a6ea550f2f7592742ac765e5a3b4b5d1461e0bd.tar.gz kernel_samsung_smdk4412-7a6ea550f2f7592742ac765e5a3b4b5d1461e0bd.tar.bz2 | |
igb: force all queues to interrupt once every 2 seconds
Set the EICS bit for each of the RX queues at least once every 2 seconds to
prevent the rx queues from stalling.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/net/igb')
| -rw-r--r-- | drivers/net/igb/igb_main.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index 8f66e15..465a810 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -2290,7 +2290,9 @@ static void igb_watchdog_task(struct work_struct *work) struct igb_ring *tx_ring = adapter->tx_ring; struct e1000_mac_info *mac = &adapter->hw.mac; u32 link; + u32 eics = 0; s32 ret_val; + int i; if ((netif_carrier_ok(netdev)) && (rd32(E1000_STATUS) & E1000_STATUS_LU)) @@ -2392,7 +2394,13 @@ link_up: } /* Cause software interrupt to ensure rx ring is cleaned */ - wr32(E1000_ICS, E1000_ICS_RXDMT0); + if (adapter->msix_entries) { + for (i = 0; i < adapter->num_rx_queues; i++) + eics |= adapter->rx_ring[i].eims_value; + wr32(E1000_EICS, eics); + } else { + wr32(E1000_ICS, E1000_ICS_RXDMT0); + } /* Force detection of hung controller every watchdog period */ tx_ring->detect_tx_hung = true; |