+static inline int gred_wred_mode(struct gred_sched *table)
+{
+ return test_bit(GRED_WRED_MODE, &table->flags);
+}
+
+static inline void gred_enable_wred_mode(struct gred_sched *table)
+{
+ __set_bit(GRED_WRED_MODE, &table->flags);
+}
+
+static inline void gred_disable_wred_mode(struct gred_sched *table)
+{
+ __clear_bit(GRED_WRED_MODE, &table->flags);
+}
+
+static inline int gred_wred_mode_check(struct Qdisc *sch)
+{
+ struct gred_sched *table = qdisc_priv(sch);
+ int i;
+
+ /* Really ugly O(n^2) but shouldn't be necessary too frequent. */
+ for (i = 0; i < table->DPs; i++) {
+ struct gred_sched_data *q = table->tab[i];
+ int n;
+
+ if (q == NULL)
+ continue;
+
+ for (n = 0; n < table->DPs; n++)
+ if (table->tab[n] && table->tab[n] != q &&
+ table->tab[n]->prio == q->prio)
+ return 1;
+ }
+
+ return 0;
+}
+