From 1c055e55a242a33e574e48be530e06770a210dcd Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 19 Feb 2024 03:26:26 +0000
Subject: [PATCH] add r8169 read mac form eeprom
---
kernel/include/linux/tnum.h | 18 ++++++++++++++++++
1 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/kernel/include/linux/tnum.h b/kernel/include/linux/tnum.h
index 06b9c20..498dbce 100644
--- a/kernel/include/linux/tnum.h
+++ b/kernel/include/linux/tnum.h
@@ -5,6 +5,10 @@
* propagate the unknown bits such that the tnum result represents all the
* possible results for possible values of the operands.
*/
+
+#ifndef _LINUX_TNUM_H
+#define _LINUX_TNUM_H
+
#include <linux/types.h>
struct tnum {
@@ -81,3 +85,17 @@
int tnum_strn(char *str, size_t size, struct tnum a);
/* Format a tnum as tristate binary expansion */
int tnum_sbin(char *str, size_t size, struct tnum a);
+
+/* Returns the 32-bit subreg */
+struct tnum tnum_subreg(struct tnum a);
+/* Returns the tnum with the lower 32-bit subreg cleared */
+struct tnum tnum_clear_subreg(struct tnum a);
+/* Returns the tnum with the lower 32-bit subreg set to value */
+struct tnum tnum_const_subreg(struct tnum a, u32 value);
+/* Returns true if 32-bit subreg @a is a known constant*/
+static inline bool tnum_subreg_is_const(struct tnum a)
+{
+ return !(tnum_subreg(a)).mask;
+}
+
+#endif /* _LINUX_TNUM_H */
--
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