1 files changed, 25 insertions, 0 deletions

diff --git a/include/uapi/linux/pkt_sched.h b/include/uapi/linux/pkt_sched.h
index 77eb331810b8..d62316baae94 100644
--- a/include/uapi/linux/pkt_sched.h
+++ b/include/uapi/linux/pkt_sched.h
@@ -818,4 +818,29 @@ struct tc_hhf_xstats {
         __u32   hh_tot_count;   /* number of captured heavy-hitters so far */
         __u32   hh_cur_count;   /* number of current heavy-hitters */
 };
+
+/* PIE */
+enum {
+        TCA_PIE_UNSPEC,
+        TCA_PIE_TARGET,
+        TCA_PIE_LIMIT,
+        TCA_PIE_TUPDATE,
+        TCA_PIE_ALPHA,
+        TCA_PIE_BETA,
+        TCA_PIE_ECN,
+        TCA_PIE_BYTEMODE,
+        __TCA_PIE_MAX
+};
+#define TCA_PIE_MAX   (__TCA_PIE_MAX - 1)
+
+struct tc_pie_xstats {
+        __u32 prob;             /* current probability */
+        __u32 delay;            /* current delay in ms */
+        __u32 avg_dq_rate;      /* current average dq_rate in bits/pie_time */
+        __u32 packets_in;       /* total number of packets enqueued */
+        __u32 dropped;          /* packets dropped due to pie_action */
+        __u32 overlimit;        /* dropped due to lack of space in queue */
+        __u32 maxq;             /* maximum queue size */
+        __u32 ecn_mark;         /* packets marked with ecn*/
+};
 #endif