1 files changed, 11 insertions, 0 deletions

diff --git a/include/net/red.h b/include/net/red.h
index 5918f78d36a0..9665582c4687 100644
--- a/include/net/red.h
+++ b/include/net/red.h
@@ -168,6 +168,17 @@ static inline void red_set_vars(struct red_vars *v)
         v->qcount       = -1;
 }
 
+static inline bool red_check_params(u32 qth_min, u32 qth_max, u8 Wlog)
+{
+        if (fls(qth_min) + Wlog > 32)
+                return false;
+        if (fls(qth_max) + Wlog > 32)
+                return false;
+        if (qth_max < qth_min)
+                return false;
+        return true;
+}
+
 static inline void red_set_parms(struct red_parms *p,
                                  u32 qth_min, u32 qth_max, u8 Wlog, u8 Plog,
                                  u8 Scell_log, u8 *stab, u32 max_P)