sched: CHOKe flow scheduler

[cascardo/linux.git] / include / linux / pkt_sched.h

diff --git a/include/linux/pkt_sched.h b/include/linux/pkt_sched.h
index 776cd93..d4bb6f5 100644 (file)
--- a/include/linux/pkt_sched.h
+++ b/include/linux/pkt_sched.h
@@ -247,6 +247,35 @@ struct tc_gred_sopt {
        __u16           pad1;
 };
 
+/* CHOKe section */
+
+enum {
+       TCA_CHOKE_UNSPEC,
+       TCA_CHOKE_PARMS,
+       TCA_CHOKE_STAB,
+       __TCA_CHOKE_MAX,
+};
+
+#define TCA_CHOKE_MAX (__TCA_CHOKE_MAX - 1)
+
+struct tc_choke_qopt {
+       __u32           limit;          /* Hard queue length (packets)  */
+       __u32           qth_min;        /* Min average threshold (packets) */
+       __u32           qth_max;        /* Max average threshold (packets) */
+       unsigned char   Wlog;           /* log(W)               */
+       unsigned char   Plog;           /* log(P_max/(qth_max-qth_min)) */
+       unsigned char   Scell_log;      /* cell size for idle damping */
+       unsigned char   flags;          /* see RED flags */
+};
+
+struct tc_choke_xstats {
+       __u32           early;          /* Early drops */
+       __u32           pdrop;          /* Drops due to queue limits */
+       __u32           other;          /* Drops due to drop() calls */
+       __u32           marked;         /* Marked packets */
+       __u32           matched;        /* Drops due to flow match */
+};
+
 /* HTB section */
 #define TC_HTB_NUMPRIO         8
 #define TC_HTB_MAXDEPTH                8