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-rw-r--r--include/linux/wimax/debug.h72
1 files changed, 72 insertions, 0 deletions
diff --git a/include/linux/wimax/debug.h b/include/linux/wimax/debug.h
index c703e0340423..db8096e88533 100644
--- a/include/linux/wimax/debug.h
+++ b/include/linux/wimax/debug.h
@@ -450,4 +450,76 @@ do { \
})
+static inline
+void d_submodule_set(struct d_level *d_level, size_t d_level_size,
+ const char *submodule, u8 level, const char *tag)
+{
+ struct d_level *itr, *top;
+ int index = -1;
+
+ for (itr = d_level, top = itr + d_level_size; itr < top; itr++) {
+ index++;
+ if (itr->name == NULL) {
+ printk(KERN_ERR "%s: itr->name NULL?? (%p, #%d)\n",
+ tag, itr, index);
+ continue;
+ }
+ if (!strcmp(itr->name, submodule)) {
+ itr->level = level;
+ return;
+ }
+ }
+ printk(KERN_ERR "%s: unknown submodule %s\n", tag, submodule);
+}
+
+
+/**
+ * d_parse_params - Parse a string with debug parameters from the
+ * command line
+ *
+ * @d_level: level structure (D_LEVEL)
+ * @d_level_size: number of items in the level structure
+ * (D_LEVEL_SIZE).
+ * @_params: string with the parameters; this is a space (not tab!)
+ * separated list of NAME:VALUE, where value is the debug level
+ * and NAME is the name of the submodule.
+ * @tag: string for error messages (example: MODULE.ARGNAME).
+ */
+static inline
+void d_parse_params(struct d_level *d_level, size_t d_level_size,
+ const char *_params, const char *tag)
+{
+ char submodule[130], *params, *params_orig, *token, *colon;
+ unsigned level, tokens;
+
+ if (_params == NULL)
+ return;
+ params_orig = kstrdup(_params, GFP_KERNEL);
+ params = params_orig;
+ while (1) {
+ token = strsep(&params, " ");
+ if (token == NULL)
+ break;
+ if (*token == '\0') /* eat joint spaces */
+ continue;
+ /* kernel's sscanf %s eats until whitespace, so we
+ * replace : by \n so it doesn't get eaten later by
+ * strsep */
+ colon = strchr(token, ':');
+ if (colon != NULL)
+ *colon = '\n';
+ tokens = sscanf(token, "%s\n%u", submodule, &level);
+ if (colon != NULL)
+ *colon = ':'; /* set back, for error messages */
+ if (tokens == 2)
+ d_submodule_set(d_level, d_level_size,
+ submodule, level, tag);
+ else
+ printk(KERN_ERR "%s: can't parse '%s' as a "
+ "SUBMODULE:LEVEL (%d tokens)\n",
+ tag, token, tokens);
+ }
+ kfree(params_orig);
+}
+
#endif /* #ifndef __debug__h__ */