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Modify comment to clarify EIAC setting.

This commit is contained in:
msaitoh 2022-03-10 03:57:33 +00:00
parent ecdd3fd031
commit 088e7d9728
1 changed files with 5 additions and 4 deletions
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9
sys/dev/pci/ixgbe/ixgbe.c
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@ -1,4 +1,4 @@
/* $NetBSD: ixgbe.c,v 1.308 2022/03/10 03:53:46 msaitoh Exp $ */
/* $NetBSD: ixgbe.c,v 1.309 2022/03/10 03:57:33 msaitoh Exp $ */
/******************************************************************************
@ -64,7 +64,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ixgbe.c,v 1.308 2022/03/10 03:53:46 msaitoh Exp $");
__KERNEL_RCSID(0, "$NetBSD: ixgbe.c,v 1.309 2022/03/10 03:57:33 msaitoh Exp $");
#ifdef _KERNEL_OPT
#include "opt_inet.h"
@ -5194,8 +5194,9 @@ ixgbe_enable_intr(struct adapter *adapter)
/* With MSI-X we use auto clear */
if (adapter->msix_mem) {
/*
* It's not required to set TCP_TIMER because we don't use
* it.
* We use auto clear for RTX_QUEUE only. Don't use other
* interrupts (e.g. link interrupt). BTW, we don't use
* TCP_TIMER interrupt itself.
*/
IXGBE_WRITE_REG(hw, IXGBE_EIAC, IXGBE_EIMS_RTX_QUEUE);
}