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r8169: disable interrupt source RxOverflow

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Vendor driver calls this bit RxDescUnavail. All we do in the interrupt
handler in this case is scheduling NAPI. If we should be out of
RX descriptors, then NAPI is scheduled anyway. Therefore remove this
interrupt source. Tested on RTL8168h.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Sunil Goutham <sgoutham@marvell.com>
Link: https://lore.kernel.org/r/9b2054b2-0548-4f48-bf91-b646572093b4@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Heiner Kallweit 2024-05-27 21:16:56 +02:00 committed by Jakub Kicinski
parent 4b3529edbb
commit 6994520a33
1 changed files with 1 additions and 3 deletions
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4
drivers/net/ethernet/realtek/r8169_main.c
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@ -5086,12 +5086,10 @@ static void rtl_set_irq_mask(struct rtl8169_private *tp)
tp->irq_mask = RxOK | RxErr | TxOK | TxErr | LinkChg;
if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
tp->irq_mask |= SYSErr | RxOverflow | RxFIFOOver;
tp->irq_mask |= SYSErr | RxFIFOOver;
else if (tp->mac_version == RTL_GIGA_MAC_VER_11)
/* special workaround needed */
tp->irq_mask |= RxFIFOOver;
else
tp->irq_mask |= RxOverflow;
}
static int rtl_alloc_irq(struct rtl8169_private *tp)