Module Name: src
Committed By: msaitoh
Date: Wed Dec 15 09:54:56 UTC 2021
Modified Files:
src/sys/dev/pci/ixgbe: ixgbe_dcb.h
Log Message:
Change DCB credit parameters. No functional change.
- From FreeBSD ix-3.3.24.
- No functional change because NetBSD doesn't support DCB.
To generate a diff of this commit:
cvs rdiff -u -r1.7 -r1.8 src/sys/dev/pci/ixgbe/ixgbe_dcb.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/pci/ixgbe/ixgbe_dcb.h
diff -u src/sys/dev/pci/ixgbe/ixgbe_dcb.h:1.7 src/sys/dev/pci/ixgbe/ixgbe_dcb.h:1.8
--- src/sys/dev/pci/ixgbe/ixgbe_dcb.h:1.7 Fri Apr 30 06:41:36 2021
+++ src/sys/dev/pci/ixgbe/ixgbe_dcb.h Wed Dec 15 09:54:56 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: ixgbe_dcb.h,v 1.7 2021/04/30 06:41:36 msaitoh Exp $ */
+/* $NetBSD: ixgbe_dcb.h,v 1.8 2021/12/15 09:54:56 msaitoh Exp $ */
/******************************************************************************
SPDX-License-Identifier: BSD-3-Clause
@@ -42,9 +42,9 @@
/* DCB defines */
/* DCB credit calculation defines */
#define IXGBE_DCB_CREDIT_QUANTUM 64
-#define IXGBE_DCB_MAX_CREDIT_REFILL 200 /* 200 * 64B = 12800B */
+#define IXGBE_DCB_MAX_CREDIT_REFILL 511 /* 0x1FF * 64B = 32704B */
#define IXGBE_DCB_MAX_TSO_SIZE (32 * 1024) /* Max TSO pkt size in DCB*/
-#define IXGBE_DCB_MAX_CREDIT (2 * IXGBE_DCB_MAX_CREDIT_REFILL)
+#define IXGBE_DCB_MAX_CREDIT 4095 /* Maximum credit supported: 256KB * 1024 / 64B */
/* 513 for 32KB TSO packet */
#define IXGBE_DCB_MIN_TSO_CREDIT \
