1 files changed, 115 insertions, 6 deletions

diff --git a/lib/librte_eal/common/eal_common_log.c b/lib/librte_eal/common/eal_common_log.c
index 37b2e20e..c714a4bd 100644
--- a/lib/librte_eal/common/eal_common_log.c
+++ b/lib/librte_eal/common/eal_common_log.c
@@ -9,6 +9,7 @@
 #include <string.h>
 #include <errno.h>
 #include <regex.h>
+#include <fnmatch.h>
 
 #include <rte_eal.h>
 #include <rte_log.h>
@@ -23,6 +24,23 @@ struct rte_logs rte_logs = {
 	.file = NULL,
 };
 
+struct rte_eal_opt_loglevel {
+	/** Next list entry */
+	TAILQ_ENTRY(rte_eal_opt_loglevel) next;
+	/** Compiled regular expression obtained from the option */
+	regex_t re_match;
+	/** Glob match string option */
+	char *pattern;
+	/** Log level value obtained from the option */
+	uint32_t level;
+};
+
+TAILQ_HEAD(rte_eal_opt_loglevel_list, rte_eal_opt_loglevel);
+
+/** List of valid EAL log level options */
+static struct rte_eal_opt_loglevel_list opt_loglevel_list =
+	TAILQ_HEAD_INITIALIZER(opt_loglevel_list);
+
 /* Stream to use for logging if rte_logs.file is NULL */
 static FILE *default_log_stream;
 
@@ -89,9 +107,9 @@ rte_log_set_level(uint32_t type, uint32_t level)
 	return 0;
 }
 
-/* set level */
+/* set log level by regular expression */
 int
-rte_log_set_level_regexp(const char *pattern, uint32_t level)
+rte_log_set_level_regexp(const char *regex, uint32_t level)
 {
 	regex_t r;
 	size_t i;
@@ -99,7 +117,7 @@ rte_log_set_level_regexp(const char *pattern, uint32_t level)
 	if (level > RTE_LOG_DEBUG)
 		return -1;
 
-	if (regcomp(&r, pattern, 0) != 0)
+	if (regcomp(&r, regex, 0) != 0)
 		return -1;
 
 	for (i = 0; i < rte_logs.dynamic_types_len; i++) {
@@ -115,6 +133,69 @@ rte_log_set_level_regexp(const char *pattern, uint32_t level)
 	return 0;
 }
 
+/*
+ * Save the type string and the loglevel for later dynamic
+ * logtypes which may register later.
+ */
+static int rte_log_save_level(int priority,
+			      const char *regex, const char *pattern)
+{
+	struct rte_eal_opt_loglevel *opt_ll = NULL;
+
+	opt_ll = malloc(sizeof(*opt_ll));
+	if (opt_ll == NULL)
+		goto fail;
+
+	opt_ll->level = priority;
+
+	if (regex) {
+		opt_ll->pattern = NULL;
+		if (regcomp(&opt_ll->re_match, regex, 0) != 0)
+			goto fail;
+	} else if (pattern) {
+		opt_ll->pattern = strdup(pattern);
+		if (opt_ll->pattern == NULL)
+			goto fail;
+	} else
+		goto fail;
+
+	TAILQ_INSERT_HEAD(&opt_loglevel_list, opt_ll, next);
+	return 0;
+fail:
+	free(opt_ll);
+	return -1;
+}
+
+int rte_log_save_regexp(const char *regex, int tmp)
+{
+	return rte_log_save_level(tmp, regex, NULL);
+}
+
+/* set log level based on glob (file match) pattern */
+int
+rte_log_set_level_pattern(const char *pattern, uint32_t level)
+{
+	size_t i;
+
+	if (level > RTE_LOG_DEBUG)
+		return -1;
+
+	for (i = 0; i < rte_logs.dynamic_types_len; i++) {
+		if (rte_logs.dynamic_types[i].name == NULL)
+			continue;
+
+		if (fnmatch(pattern, rte_logs.dynamic_types[i].name, 0) == 0)
+			rte_logs.dynamic_types[i].loglevel = level;
+	}
+
+	return 0;
+}
+
+int rte_log_save_pattern(const char *pattern, int priority)
+{
+	return rte_log_save_level(priority, NULL, pattern);
+}
+
 /* get the current loglevel for the message being processed */
 int rte_log_cur_msg_loglevel(void)
 {
@@ -186,6 +267,36 @@ rte_log_register(const char *name)
 	return ret;
 }
 
+/* Register an extended log type and try to pick its level from EAL options */
+int __rte_experimental
+rte_log_register_type_and_pick_level(const char *name, uint32_t level_def)
+{
+	struct rte_eal_opt_loglevel *opt_ll;
+	uint32_t level = level_def;
+	int type;
+
+	type = rte_log_register(name);
+	if (type < 0)
+		return type;
+
+	TAILQ_FOREACH(opt_ll, &opt_loglevel_list, next) {
+		if (opt_ll->level > RTE_LOG_DEBUG)
+			continue;
+
+		if (opt_ll->pattern) {
+			if (fnmatch(opt_ll->pattern, name, 0))
+				level = opt_ll->level;
+		} else {
+			if (regexec(&opt_ll->re_match, name, 0, NULL, 0) == 0)
+				level = opt_ll->level;
+		}
+	}
+
+	rte_logs.dynamic_types[type].loglevel = level;
+
+	return type;
+}
+
 struct logtype {
 	uint32_t log_id;
 	const char *logtype;
@@ -224,9 +335,7 @@ static const struct logtype logtype_strings[] = {
 };
 
 /* Logging should be first initializer (before drivers and bus) */
-RTE_INIT_PRIO(rte_log_init, 101);
-static void
-rte_log_init(void)
+RTE_INIT_PRIO(rte_log_init, LOG)
 {
 	uint32_t i;