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path: root/drivers/infiniband/core/cache.c
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-rw-r--r--drivers/infiniband/core/cache.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/infiniband/core/cache.c b/drivers/infiniband/core/cache.c
index 4a2968b1cf56..92cadbddbe49 100644
--- a/drivers/infiniband/core/cache.c
+++ b/drivers/infiniband/core/cache.c
@@ -140,6 +140,30 @@ const char *ib_cache_gid_type_str(enum ib_gid_type gid_type)
}
EXPORT_SYMBOL(ib_cache_gid_type_str);
+int ib_cache_gid_parse_type_str(const char *buf)
+{
+ unsigned int i;
+ size_t len;
+ int err = -EINVAL;
+
+ len = strlen(buf);
+ if (len == 0)
+ return -EINVAL;
+
+ if (buf[len - 1] == '\n')
+ len--;
+
+ for (i = 0; i < ARRAY_SIZE(gid_type_str); ++i)
+ if (gid_type_str[i] && !strncmp(buf, gid_type_str[i], len) &&
+ len == strlen(gid_type_str[i])) {
+ err = i;
+ break;
+ }
+
+ return err;
+}
+EXPORT_SYMBOL(ib_cache_gid_parse_type_str);
+
/* This function expects that rwlock will be write locked in all
* scenarios and that lock will be locked in sleep-able (RoCE)
* scenarios.