* [PATCH 2.4.26-bk1] netdevice.h add netif_msg_init helper
@ 2004-04-16 20:01 Don Fry
2004-04-19 16:44 ` Jeff Garzik
0 siblings, 1 reply; 2+ messages in thread
From: Don Fry @ 2004-04-16 20:01 UTC (permalink / raw)
To: jgarzik, netdev
Please apply the following patch to 2.4.26-bk1
This patch adds a helper function to initialize the debug bit mask
for use with netif_msg_*. When the debug_value is out of range
it returns the default_msg_enable_bits. Tested IA32.
--- linux-2.4.26-bk1/include/linux/orig.netdevice.h Fri Apr 16 11:09:23 2004
+++ linux-2.4.26-bk1/include/linux/netdevice.h Fri Apr 16 12:55:00 2004
@@ -737,6 +737,17 @@
#define netif_msg_hw(p) ((p)->msg_enable & NETIF_MSG_HW)
#define netif_msg_wol(p) ((p)->msg_enable & NETIF_MSG_WOL)
+static inline u32 netif_msg_init(int debug_value, int default_msg_enable_bits)
+{
+ /* use default */
+ if (debug_value < 0 || debug_value >= (sizeof(u32) * 8))
+ return default_msg_enable_bits;
+ if (debug_value == 0) /* no output */
+ return 0;
+ /* set low N bits */
+ return (1 << debug_value) - 1;
+}
+
/* Schedule rx intr now? */
static inline int netif_rx_schedule_prep(struct net_device *dev)
--
Don Fry
brazilnut@us.ibm.com
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2004-04-16 20:01 [PATCH 2.4.26-bk1] netdevice.h add netif_msg_init helper Don Fry
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