scripts: Add mqnic_ddcmd.sh script to control dynamic debug statements

Signed-off-by: Alex Forencich <alex@alexforencich.com>

scripts/mqnic_ddcmd.sh

@@ -0,0 +1,21 @@
+#!/bin/sh
+
+module=mqnic
+
+#control=/sys/kernel/debug/dynamic_debug/control
+control=/proc/dynamic_debug/control
+
+if [ $# -eq 0 ]; then
+	>&2 echo "Error: no argument provided"
+	>&2 echo "usage: $0 [stmt]"
+	>&2 echo "Disable all debug print statements: $0 =_"
+	>&2 echo "Enable all debug print statements: $0 =p"
+	>&2 echo "More verbose: $0 =pflmt"
+	>&2 echo "Pattern match: $0 format \"some-string\" =p"
+	>&2 echo "Current configuration:"
+	grep "\[$module\]" $control >&2
+	exit 1
+fi
+
+echo module $module "${@@Q}" > $control
+