\________\/    -----------------------------------------------------------

root@1900acs:~# openssl speed -evp aes256
Doing aes-256-cbc for 3s on 16 size blocks: 184093 aes-256-cbc's in 0.08s
Doing aes-256-cbc for 3s on 64 size blocks: 184655 aes-256-cbc's in 0.06s
Doing aes-256-cbc for 3s on 256 size blocks: 172542 aes-256-cbc's in 0.04s
Doing aes-256-cbc for 3s on 1024 size blocks: 125720 aes-256-cbc's in 0.04s
Doing aes-256-cbc for 3s on 8192 size blocks: 29110 aes-256-cbc's in 0.01s
OpenSSL 1.0.2h  3 May 2016
built on: reproducible build, date unspecified
options:bn(64,32) rc4(ptr,char) des(idx,cisc,2,long) aes(partial) blowfish(ptr) 
compiler: arm-openwrt-linux-muslgnueabi-gcc -I. -I.. -I../include  -fPIC -DOPENSSL_PIC -DZLIB_SHARED -DZLIB -DOPE
NSSL_THREADS -D_REENTRANT -DDSO_DLFCN -DHAVE_DLFCN_H -I/home/gs/LEDE/staging_dir/target-arm_cortex-a9+vfpv3_musl-
1.1.14_eabi/usr/include -I/home/gs/LEDE/staging_dir/target-arm_cortex-a9+vfpv3_musl-1.1.14_eabi/include -I/home/g
s/LEDE/staging_dir/toolchain-arm_cortex-a9+vfpv3_gcc-5.3.0_musl-1.1.14_eabi/usr/include -I/home/gs/LEDE/staging_d
ir/toolchain-arm_cortex-a9+vfpv3_gcc-5.3.0_musl-1.1.14_eabi/include/fortify -I/home/gs/LEDE/staging_dir/toolchain
-arm_cortex-a9+vfpv3_gcc-5.3.0_musl-1.1.14_eabi/include -znow -zrelro -DOPENSSL_SMALL_FOOTPRINT -DHAVE_CRYPTODEV 
-DUSE_CRYPTODEV_DIGESTS -DOPENSSL_NO_ERR -DTERMIOS -Os -pipe -march=armv7-a -mtune=cortex-a9 -mfpu=vfpv3-d16 -fno
-caller-saves -fno-plt -fhonour-copts -Wno-error=unused-but-set-variable -Wno-error=unused-result -mfloat-abi=sof
t -iremap /home/gs/LEDE/build_dir/target-arm_cortex-a9+vfpv3_musl-1.1.14_eabi/openssl-1.0.2h:openssl-1.0.2h -Wfor
mat -Werror=format-security -fstack-protector -D_FORTIFY_SOURCE=1 -Wl,-z,now -Wl,-z,relro -fpic -I/home/gs/LEDE/p
ackage/libs/openssl/include -fomit-frame-pointer -Wall
The 'numbers' are in 1000s of bytes per second processed.
type             16 bytes     64 bytes    256 bytes   1024 bytes   8192 bytes
aes-256-cbc      36818.60k   196965.33k  1104268.80k  3218432.00k 23846912.00k
root@1900acs:~# 

scripts/feed update -a

PKG_VERSION:=2016-01-10
PKG_RELEASE:=1

--- a/include/linux/pkt_sched.h
+++ b/include/linux/pkt_sched.h
@@ -877,4 +877,78 @@
     __u32 maxq;             /* maximum queue size */
     __u32 ecn_mark;         /* packets marked with ecn*/
 };
+
+/* CAKE */
+enum {
+    TCA_CAKE_UNSPEC,
+    TCA_CAKE_BASE_RATE,
+    TCA_CAKE_DIFFSERV_MODE,
+    TCA_CAKE_ATM,
+    TCA_CAKE_FLOW_MODE,
+    TCA_CAKE_OVERHEAD,
+    TCA_CAKE_RTT,
+    TCA_CAKE_TARGET,
+    TCA_CAKE_AUTORATE,
+    TCA_CAKE_MEMORY,
+    __TCA_CAKE_MAX
+};
+#define TCA_CAKE_MAX    (__TCA_CAKE_MAX - 1)
+
+struct tc_cake_traffic_stats {
+    __u32 packets;
+    __u32 link_ms;
+    __u64 bytes;
+};
+
+#define TC_CAKE_MAX_TINS (8)
+struct tc_cake_xstats {
+    __u16 version;  /* == 3, increments when struct extended */
+    __u8  max_tins; /* == TC_CAKE_MAX_TINS */
+    __u8  tin_cnt;  /* <= TC_CAKE_MAX_TINS */
+
+    __u32 threshold_rate   [TC_CAKE_MAX_TINS];
+    __u32 target_us        [TC_CAKE_MAX_TINS];
+    struct tc_cake_traffic_stats sent      [TC_CAKE_MAX_TINS];
+    struct tc_cake_traffic_stats dropped   [TC_CAKE_MAX_TINS];
+    struct tc_cake_traffic_stats ecn_marked[TC_CAKE_MAX_TINS];
+    struct tc_cake_traffic_stats backlog   [TC_CAKE_MAX_TINS];
+    __u32 interval_us      [TC_CAKE_MAX_TINS];
+    __u32 way_indirect_hits[TC_CAKE_MAX_TINS];
+    __u32 way_misses       [TC_CAKE_MAX_TINS];
+    __u32 way_collisions   [TC_CAKE_MAX_TINS];
+    __u32 peak_delay_us    [TC_CAKE_MAX_TINS]; /* ~= delay to bulk flows */
+    __u32 avge_delay_us    [TC_CAKE_MAX_TINS];
+    __u32 base_delay_us    [TC_CAKE_MAX_TINS]; /* ~= delay to sparse flows */
+    __u16 sparse_flows     [TC_CAKE_MAX_TINS];
+    __u16 bulk_flows       [TC_CAKE_MAX_TINS];
+    __u32 last_skblen      [TC_CAKE_MAX_TINS]; /* skb_headlen */
+    __u32 max_skblen       [TC_CAKE_MAX_TINS];
+    __u32 capacity_estimate;  /* version 2 */
+    __u32 memory_limit;       /* version 3 */
+    __u32 memory_used;        /* version 3 */
+};
+
+struct tc_cake_old_xstats {
+    __u16 type;  /* constant magic 0xCAFE */
+    __u16 class_cnt;
+    struct {
+        __u32 rate;
+        __u32 target_us;
+        __u32 packets;
+        __u32 interval_us;
+        __u64 bytes;
+        __u32 dropped;
+        __u32 ecn_marked;
+        __u32 way_indirect_hits;
+        __u32 way_misses;
+        __u32 way_collisions;
+        __u32 backlog_bytes;
+        __u32 peak_delay; /* delay to fat flows */
+        __u32 avge_delay;
+        __u32 base_delay; /* delay to sparse flows */
+        __u16 sparse_flows;
+        __u16 bulk_flows;
+    } cls[8];
+};
+ 
 #endif
--- a/tc/Makefile
+++ b/tc/Makefile
@@ -64,6 +64,7 @@
 TCMODULES += q_codel.o
 TCMODULES += q_fq_codel.o
 TCMODULES += q_fq.o
 TCMODULES += q_pie.o
+TCMODULES += q_cake.o
 TCMODULES += q_hhf.o
 TCMODULES += e_bpf.o
--- /dev/null
+++ b/tc/q_cake.c
@@ -0,0 +1,598 @@
+/*
+ * Common Applications Kept Enhanced  --  CAKE
+ *
+ *  Copyright (C) 2014-2015 Jonathan Morton <chromatix99@gmail.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The names of the authors may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * Alternatively, provided that this notice is retained in full, this
+ * software may be distributed under the terms of the GNU General
+ * Public License ("GPL") version 2, in which case the provisions of the
+ * GPL apply INSTEAD OF those given above.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <syslog.h>
+#include <fcntl.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <string.h>
+
+#include "utils.h"
+#include "tc_util.h"
+
+static void explain(void)
+{
+    fprintf(stderr, "Usage: ... cake [ bandwidth RATE | unlimited* | autorate_ingress ]\n"
+                    "                [ rtt TIME | datacentre | lan | metro | regional | internet* | oceanic | satellite | interplanetary ]\n"
+                    "                [ besteffort | precedence | diffserv8 | diffserv4* ]\n"
+                    "                [ flowblind | srchost | dsthost | hosts | flows* | dual-srchost | dual-dsthost | triple-isolate ]\n"
+                    "                [ atm | noatm* ] [ overhead N | conservative | raw* ]\n"
+                    "                [ memlimit LIMIT ]\n"
+                    "    (* marks defaults)\n");
+}
+
+static int cake_parse_opt(struct qdisc_util *qu, int argc, char **argv,
+                  struct nlmsghdr *n)
+{
+    int unlimited = 0;
+    unsigned bandwidth = 0;
+    unsigned interval = 0;
+    unsigned target = 0;
+    unsigned diffserv = 0;
+    unsigned memlimit = 0;
+    int  overhead = 0;
+    bool overhead_set = false;
+    int flowmode = -1;
+    int atm = -1;
+    int autorate = -1;
+    struct rtattr *tail;
+
+    while (argc > 0) {
+        if (strcmp(*argv, "bandwidth") == 0) {
+            NEXT_ARG();
+            if (get_rate(&bandwidth, *argv)) {
+                fprintf(stderr, "Illegal \"bandwidth\"\n");
+                return -1;
+            }
+            unlimited = 0;
+            autorate = 0;
+        } else if (strcmp(*argv, "unlimited") == 0) {
+            bandwidth = 0;
+            unlimited = 1;
+            autorate = 0;
+        } else if (strcmp(*argv, "autorate_ingress") == 0) {
+            autorate = 1;
+
+        } else if (strcmp(*argv, "rtt") == 0) {
+            NEXT_ARG();
+            if (get_time(&interval, *argv)) {
+                fprintf(stderr, "Illegal \"rtt\"\n");
+                return -1;
+            }
+            target = interval / 20;
+            if(!target)
+                target = 1;
+        } else if (strcmp(*argv, "datacentre") == 0) {
+            interval = 100;
+            target   =   5;
+        } else if (strcmp(*argv, "lan") == 0) {
+            interval = 1000;
+            target   =   50;
+        } else if (strcmp(*argv, "metro") == 0) {
+            interval = 10000;
+            target   =   500;
+        } else if (strcmp(*argv, "regional") == 0) {
+            interval = 30000;
+            target    = 1500;
+        } else if (strcmp(*argv, "internet") == 0) {
+            interval = 100000;
+            target   =   5000;
+        } else if (strcmp(*argv, "oceanic") == 0) {
+            interval = 300000;
+            target   =  15000;
+        } else if (strcmp(*argv, "satellite") == 0) {
+            interval = 1000000;
+            target   =   50000;
+        } else if (strcmp(*argv, "interplanetary") == 0) {
+            interval = 3600000000U;
+            target   =       5000;
+
+        } else if (strcmp(*argv, "besteffort") == 0) {
+            diffserv = 1;
+        } else if (strcmp(*argv, "precedence") == 0) {
+            diffserv = 2;
+        } else if (strcmp(*argv, "diffserv8") == 0) {
+            diffserv = 3;
+        } else if (strcmp(*argv, "diffserv4") == 0) {
+            diffserv = 4;
+        } else if (strcmp(*argv, "diffserv") == 0) {
+            diffserv = 4;
+        } else if (strcmp(*argv, "diffserv-llt") == 0) {
+            diffserv = 5;
+
+        } else if (strcmp(*argv, "flowblind") == 0) {
+            flowmode = 0;
+        } else if (strcmp(*argv, "srchost") == 0) {
+            flowmode = 1;
+        } else if (strcmp(*argv, "dsthost") == 0) {
+            flowmode = 2;
+        } else if (strcmp(*argv, "hosts") == 0) {
+            flowmode = 3;
+        } else if (strcmp(*argv, "flows") == 0) {
+            flowmode = 4;
+        } else if (strcmp(*argv, "dual-srchost") == 0) {
+            flowmode = 5;
+        } else if (strcmp(*argv, "dual-dsthost") == 0) {
+            flowmode = 6;
+        } else if (strcmp(*argv, "triple-isolate") == 0) {
+            flowmode = 7;
+
+        } else if (strcmp(*argv, "atm") == 0) {
+            atm = 1;
+        } else if (strcmp(*argv, "noatm") == 0) {
+            atm = 0;
+
+        } else if (strcmp(*argv, "raw") == 0) {
+            atm = 0;
+            overhead = 0;
+            overhead_set = true;
+        } else if (strcmp(*argv, "conservative") == 0) {
+            /*
+             * Deliberately over-estimate overhead:
+             * one whole ATM cell plus ATM framing.
+             * A safe choice if the actual overhead is unknown.
+             */
+            atm = 1;
+            overhead = 48;
+            overhead_set = true;
+
+        /* Various ADSL framing schemes */
+        } else if (strcmp(*argv, "ipoa-vcmux") == 0) {
+            atm = 1;
+            overhead += 8;
+            overhead_set = true;
+        } else if (strcmp(*argv, "ipoa-llcsnap") == 0) {
+            atm = 1;
+            overhead += 16;
+            overhead_set = true;
+        } else if (strcmp(*argv, "bridged-vcmux") == 0) {
+            atm = 1;
+            overhead += 24;
+            overhead_set = true;
+        } else if (strcmp(*argv, "bridged-llcsnap") == 0) {
+            atm = 1;
+            overhead += 32;
+            overhead_set = true;
+        } else if (strcmp(*argv, "pppoa-vcmux") == 0) {
+            atm = 1;
+            overhead += 10;
+            overhead_set = true;
+        } else if (strcmp(*argv, "pppoa-llc") == 0) {
+            atm = 1;
+            overhead += 14;
+            overhead_set = true;
+        } else if (strcmp(*argv, "pppoe-vcmux") == 0) {
+            atm = 1;
+            overhead += 32;
+            overhead_set = true;
+        } else if (strcmp(*argv, "pppoe-llcsnap") == 0) {
+            atm = 1;
+            overhead += 40;
+            overhead_set = true;
+
+        /* Typical VDSL2 framing schemes */
+        /* NB: PTM includes HDLC's 0x7D/7E expansion, adds extra 1/128 */
+        } else if (strcmp(*argv, "pppoe-ptm") == 0) {
+            atm = 0;
+            overhead += 27;
+        } else if (strcmp(*argv, "bridged-ptm") == 0) {
+            atm = 0;
+            overhead += 19;
+
+        } else if (strcmp(*argv, "via-ethernet") == 0) {
+            /*
+             * The above overheads are relative to an IP packet,
+             * but if the physical interface is Ethernet, Linux
+             * includes Ethernet framing overhead already.
+             */
+            overhead -= 14;
+            overhead_set = true;
+
+        /* Additional Ethernet-related overheads used by some ISPs */
+        } else if (strcmp(*argv, "ether-phy") == 0) {
+            /* ethernet pre-amble & interframe gap 20 bytes
+             * Linux will have already accounted for MACs & frame type 14 bytes
+             * you probably want to add an FCS as well*/
+            overhead += 20;
+            overhead_set = true;
+        } else if (strcmp(*argv, "ether-all") == 0) {
+            /* ethernet pre-amble & interframe gap & FCS
+             * Linux will have already accounted for MACs & frame type 14 bytes
+             * you may need to add vlan tag*/
+            overhead += 24;
+            overhead_set = true;
+
+        } else if (strcmp(*argv, "ether-fcs") == 0) {
+            /* Frame Check Sequence */
+            /* we ignore the minimum frame size, because IP packets usually meet it */
+            overhead += 4;
+            overhead_set = true;
+        } else if (strcmp(*argv, "ether-vlan") == 0) {
+            /* 802.1q VLAN tag - may be repeated */
+            overhead += 4;
+            overhead_set = true;
+
+        } else if (strcmp(*argv, "overhead") == 0) {
+            char* p = NULL;
+            NEXT_ARG();
+            overhead = strtol(*argv, &p, 10);
+            if(!p || *p || !*argv || overhead < -64 || overhead > 256) {
+                fprintf(stderr, "Illegal \"overhead\", valid range is -64 to 256\\n");
+                return -1;
+            }
+            overhead_set = true;
+
+        } else if (strcmp(*argv, "memlimit") == 0) {
+            NEXT_ARG();
+            if(get_size(&memlimit, *argv)) {
+                fprintf(stderr, "Illegal value for \"memlimit\": \"%s\"\n", *argv);
+                return -1;
+            }
+
+        } else if (strcmp(*argv, "help") == 0) {
+            explain();
+            return -1;
+        } else {
+            fprintf(stderr, "What is \"%s\"?\n", *argv);
+            explain();
+            return -1;
+        }
+        argc--; argv++;
+    }
+
+    tail = NLMSG_TAIL(n);
+    addattr_l(n, 1024, TCA_OPTIONS, NULL, 0);
+    if (bandwidth || unlimited)
+        addattr_l(n, 1024, TCA_CAKE_BASE_RATE, &bandwidth, sizeof(bandwidth));
+    if (diffserv)
+        addattr_l(n, 1024, TCA_CAKE_DIFFSERV_MODE, &diffserv, sizeof(diffserv));
+    if (atm != -1)
+        addattr_l(n, 1024, TCA_CAKE_ATM, &atm, sizeof(atm));
+    if (flowmode != -1)
+        addattr_l(n, 1024, TCA_CAKE_FLOW_MODE, &flowmode, sizeof(flowmode));
+    if (overhead_set)
+        addattr_l(n, 1024, TCA_CAKE_OVERHEAD, &overhead, sizeof(overhead));
+    if (interval)
+        addattr_l(n, 1024, TCA_CAKE_RTT, &interval, sizeof(interval));
+    if (target)
+        addattr_l(n, 1024, TCA_CAKE_TARGET, &target, sizeof(target));
+    if (autorate != -1)
+        addattr_l(n, 1024, TCA_CAKE_AUTORATE, &autorate, sizeof(autorate));
+    if (memlimit)
+        addattr_l(n, 1024, TCA_CAKE_MEMORY, &memlimit, sizeof(memlimit));
+
+    tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
+    return 0;
+}
+
+
+static int cake_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
+{
+    struct rtattr *tb[TCA_CAKE_MAX + 1];
+    unsigned bandwidth = 0;
+    unsigned diffserv = 0;
+    unsigned flowmode = 0;
+    unsigned interval = 0;
+    unsigned memlimit = 0;
+    int overhead = 0;
+    int atm = 0;
+    int autorate = 0;
+    SPRINT_BUF(b1);
+    SPRINT_BUF(b2);
+
+    if (opt == NULL)
+        return 0;
+
+    parse_rtattr_nested(tb, TCA_CAKE_MAX, opt);
+
+    if (tb[TCA_CAKE_BASE_RATE] &&
+        RTA_PAYLOAD(tb[TCA_CAKE_BASE_RATE]) >= sizeof(__u32)) {
+        bandwidth = rta_getattr_u32(tb[TCA_CAKE_BASE_RATE]);
+        if(bandwidth)
+            fprintf(f, "bandwidth %s ", sprint_rate(bandwidth, b1));
+        else
+            fprintf(f, "unlimited ");
+    }
+    if (tb[TCA_CAKE_AUTORATE] &&
+        RTA_PAYLOAD(tb[TCA_CAKE_AUTORATE]) >= sizeof(__u32)) {
+        autorate = rta_getattr_u32(tb[TCA_CAKE_AUTORATE]);
+        if(autorate == 1)
+            fprintf(f, "autorate_ingress ");
+        else if(autorate)
+            fprintf(f, "(?autorate?) ");
+    }
+    if (tb[TCA_CAKE_DIFFSERV_MODE] &&
+        RTA_PAYLOAD(tb[TCA_CAKE_DIFFSERV_MODE]) >= sizeof(__u32)) {
+        diffserv = rta_getattr_u32(tb[TCA_CAKE_DIFFSERV_MODE]);
+        switch(diffserv) {
+        case 1:
+            fprintf(f, "besteffort ");
+            break;
+        case 2:
+            fprintf(f, "precedence ");
+            break;
+        case 3:
+            fprintf(f, "diffserv8 ");
+            break;
+        case 4:
+            fprintf(f, "diffserv4 ");
+            break;
+        case 5:
+            fprintf(f, "diffserv-llt ");
+            break;
+        default:
+            fprintf(f, "(?diffserv?) ");
+            break;
+        };
+    }
+    if (tb[TCA_CAKE_FLOW_MODE] &&
+        RTA_PAYLOAD(tb[TCA_CAKE_FLOW_MODE]) >= sizeof(__u32)) {
+        flowmode = rta_getattr_u32(tb[TCA_CAKE_FLOW_MODE]);
+        switch(flowmode) {
+        case 0:
+            fprintf(f, "flowblind ");
+            break;
+        case 1:
+            fprintf(f, "srchost ");
+            break;
+        case 2:
+            fprintf(f, "dsthost ");
+            break;
+        case 3:
+            fprintf(f, "hosts ");
+            break;
+        case 4:
+            fprintf(f, "flows ");
+            break;
+        case 5:
+            fprintf(f, "dual-srchost ");
+            break;
+        case 6:
+            fprintf(f, "dual-dsthost ");
+            break;
+        case 7:
+            fprintf(f, "triple-isolate ");
+            break;
+        default:
+            fprintf(f, "(?flowmode?) ");
+            break;
+        };
+    }
+    if (tb[TCA_CAKE_ATM] &&
+        RTA_PAYLOAD(tb[TCA_CAKE_ATM]) >= sizeof(__u32)) {
+        atm = rta_getattr_u32(tb[TCA_CAKE_ATM]);
+    }
+    if (tb[TCA_CAKE_OVERHEAD] &&
+        RTA_PAYLOAD(tb[TCA_CAKE_OVERHEAD]) >= sizeof(__u32)) {
+        overhead = rta_getattr_u32(tb[TCA_CAKE_OVERHEAD]);
+    }
+    if (tb[TCA_CAKE_RTT] &&
+        RTA_PAYLOAD(tb[TCA_CAKE_RTT]) >= sizeof(__u32)) {
+        interval = rta_getattr_u32(tb[TCA_CAKE_RTT]);
+    }
+
+    if (interval)
+        fprintf(f, "rtt %s ", sprint_time(interval, b2));
+
+    if (atm)
+        fprintf(f, "atm ");
+    else if (overhead)
+        fprintf(f, "noatm ");
+
+    if (overhead || atm)
+        fprintf(f, "overhead %d ", overhead);
+
+    if (!atm && !overhead)
+        fprintf(f, "raw ");
+
+    if (memlimit)
+        fprintf(f, "memlimit %s", sprint_size(memlimit, b1));
+
+    return 0;
+}
+
+static int cake_print_xstats(struct qdisc_util *qu, FILE *f,
+                 struct rtattr *xstats)
+{
+    /* fq_codel stats format borrowed */
+    struct tc_fq_codel_xstats *st;
+    struct tc_cake_xstats     *stnc;
+    SPRINT_BUF(b1);
+    SPRINT_BUF(b2);
+
+    if (xstats == NULL)
+        return 0;
+
+    if (RTA_PAYLOAD(xstats) < sizeof(st->type))
+        return -1;
+
+    st   = RTA_DATA(xstats);
+    stnc = RTA_DATA(xstats);
+
+    if (st->type == TCA_FQ_CODEL_XSTATS_QDISC && RTA_PAYLOAD(xstats) >= sizeof(*st)) {
+        fprintf(f, "  maxpacket %u drop_overlimit %u new_flow_count %u ecn_mark %u",
+            st->qdisc_stats.maxpacket,
+            st->qdisc_stats.drop_overlimit,
+            st->qdisc_stats.new_flow_count,
+            st->qdisc_stats.ecn_mark);
+        fprintf(f, "\n  new_flows_len %u old_flows_len %u",
+            st->qdisc_stats.new_flows_len,
+            st->qdisc_stats.old_flows_len);
+    } else if (st->type == TCA_FQ_CODEL_XSTATS_CLASS && RTA_PAYLOAD(xstats) >= sizeof(*st)) {
+        fprintf(f, "  deficit %d count %u lastcount %u ldelay %s",
+            st->class_stats.deficit,
+            st->class_stats.count,
+            st->class_stats.lastcount,
+            sprint_time(st->class_stats.ldelay, b1));
+        if (st->class_stats.dropping) {
+            fprintf(f, " dropping");
+            if (st->class_stats.drop_next < 0)
+                fprintf(f, " drop_next -%s",
+                    sprint_time(-st->class_stats.drop_next, b1));
+            else
+                fprintf(f, " drop_next %s",
+                    sprint_time(st->class_stats.drop_next, b1));
+        }
+    } else if (stnc->version >= 1 && stnc->version < 0xFF
+                && stnc->max_tins == TC_CAKE_MAX_TINS
+                && RTA_PAYLOAD(xstats) >= offsetof(struct tc_cake_xstats, capacity_estimate))
+    {
+        int i;
+
+        if(stnc->version >= 3)
+            fprintf(f, " memory used: %s of %s\n", sprint_size(stnc->memory_used, b1), sprint_size(stnc->memory_limit, b2));
+
+        if(stnc->version >= 2)
+            fprintf(f, " capacity estimate: %s\n", sprint_rate(stnc->capacity_estimate, b1));
+
+        switch(stnc->tin_cnt) {
+        case 4:
+            fprintf(f, "                 Bulk  Best Effort       Video       Voice\n");
+            break;
+
+        case 5:
+            fprintf(f, "             Low Loss  Best Effort   Low Delay       Bulk  Net Control\n");
+            break;
+
+        default:
+            fprintf(f, "          ");
+            for(i=0; i < stnc->tin_cnt; i++)
+                fprintf(f, "       Tin %u", i);
+            fprintf(f, "\n");
+        };
+
+        fprintf(f, "  thresh  ");
+        for(i=0; i < stnc->tin_cnt; i++)
+            fprintf(f, "%12s", sprint_rate(stnc->threshold_rate[i], b1));
+        fprintf(f, "\n");
+
+        fprintf(f, "  target  ");
+        for(i=0; i < stnc->tin_cnt; i++)
+            fprintf(f, "%12s", sprint_time(stnc->target_us[i], b1));
+        fprintf(f, "\n");
+
+        fprintf(f, "  interval");
+        for(i=0; i < stnc->tin_cnt; i++)
+            fprintf(f, "%12s", sprint_time(stnc->interval_us[i], b1));
+        fprintf(f, "\n");
+
+        fprintf(f, "  pk_delay");
+        for(i=0; i < stnc->tin_cnt; i++)
+            fprintf(f, "%12s", sprint_time(stnc->peak_delay_us[i], b1));
+        fprintf(f, "\n");
+
+        fprintf(f, "  av_delay");
+        for(i=0; i < stnc->tin_cnt; i++)
+            fprintf(f, "%12s", sprint_time(stnc->avge_delay_us[i], b1));
+        fprintf(f, "\n");
+
+        fprintf(f, "  sp_delay");
+        for(i=0; i < stnc->tin_cnt; i++)
+            fprintf(f, "%12s", sprint_time(stnc->base_delay_us[i], b1));
+        fprintf(f, "\n");
+
+        fprintf(f, "  pkts    ");
+        for(i=0; i < stnc->tin_cnt; i++)
+            fprintf(f, "%12u", stnc->sent[i].packets);
+        fprintf(f, "\n");
+
+        fprintf(f, "  bytes   ");
+        for(i=0; i < stnc->tin_cnt; i++)
+            fprintf(f, "%12llu", stnc->sent[i].bytes);
+        fprintf(f, "\n");
+
+        fprintf(f, "  way_inds");
+        for(i=0; i < stnc->tin_cnt; i++)
+            fprintf(f, "%12u", stnc->way_indirect_hits[i]);
+        fprintf(f, "\n");
+
+        fprintf(f, "  way_miss");
+        for(i=0; i < stnc->tin_cnt; i++)
+            fprintf(f, "%12u", stnc->way_misses[i]);
+        fprintf(f, "\n");
+
+        fprintf(f, "  way_cols");
+        for(i=0; i < stnc->tin_cnt; i++)
+            fprintf(f, "%12u", stnc->way_collisions[i]);
+        fprintf(f, "\n");
+
+        fprintf(f, "  drops   ");
+        for(i=0; i < stnc->tin_cnt; i++)
+            fprintf(f, "%12u", stnc->dropped[i].packets);
+        fprintf(f, "\n");
+
+        fprintf(f, "  marks   ");
+        for(i=0; i < stnc->tin_cnt; i++)
+            fprintf(f, "%12u", stnc->ecn_marked[i].packets);
+        fprintf(f, "\n");
+
+        fprintf(f, "  sp_flows");
+        for(i=0; i < stnc->tin_cnt; i++)
+            fprintf(f, "%12u", stnc->sparse_flows[i]);
+        fprintf(f, "\n");
+
+        fprintf(f, "  bk_flows");
+        for(i=0; i < stnc->tin_cnt; i++)
+            fprintf(f, "%12u", stnc->bulk_flows[i]);
+        fprintf(f, "\n");
+
+        fprintf(f, "  last_len");
+        for(i=0; i < stnc->tin_cnt; i++)
+            fprintf(f, "%12u", stnc->last_skblen[i]);
+        fprintf(f, "\n");
+
+        fprintf(f, "  max_len ");
+        for(i=0; i < stnc->tin_cnt; i++)
+            fprintf(f, "%12u", stnc->max_skblen[i]);
+        fprintf(f, "\n");
+    } else {
+        return -1;
+    }
+    return 0;
+}
+
+struct qdisc_util cake_qdisc_util = {
+    .id        = "cake",
+    .parse_qopt    = cake_parse_opt,
+    .print_qopt    = cake_print_opt,
+    .print_xstats    = cake_print_xstats,
+};