From: Alexander Duyck Date: Tue, 26 Aug 2008 11:25:03 +0000 (-0700) Subject: igb: force all queues to interrupt once every 2 seconds X-Git-Tag: firefly_0821_release~18041^2~32^2~25 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=7a6ea550f2f7592742ac765e5a3b4b5d1461e0bd;p=firefly-linux-kernel-4.4.55.git 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 Signed-off-by: Alexander Duyck Signed-off-by: Jeff Garzik --- diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index 8f66e15ec8d6..465a810b670a 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;