diff options
author | Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk> | 2017-01-23 01:01:51 +0300 |
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committer | Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk> | 2017-01-23 01:01:51 +0300 |
commit | 590aff31b2c6c5c44f5f7248b06acd748de3a54c (patch) | |
tree | 67d8032932ff26b815c76f6b9ed61c9f94835849 | |
parent | d6a9aa160ebd36f53f4b67d1e68dad494d2490d6 (diff) |
iproute2: Add support for cake qdisc
Add CAKE qdisc support to 'tc' in iproute2
Signed-off-by: Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
-rw-r--r-- | package/network/utils/iproute2/Makefile | 2 | ||||
-rw-r--r-- | package/network/utils/iproute2/patches/950-add-cake-to-tc.patch | 762 |
2 files changed, 763 insertions, 1 deletions
diff --git a/package/network/utils/iproute2/Makefile b/package/network/utils/iproute2/Makefile index a7686cb82c..74644912fc 100644 --- a/package/network/utils/iproute2/Makefile +++ b/package/network/utils/iproute2/Makefile @@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk PKG_NAME:=iproute2 PKG_VERSION:=4.4.0 -PKG_RELEASE:=1 +PKG_RELEASE:=2 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz PKG_SOURCE_URL:=http://kernel.org/pub/linux/utils/net/iproute2/ diff --git a/package/network/utils/iproute2/patches/950-add-cake-to-tc.patch b/package/network/utils/iproute2/patches/950-add-cake-to-tc.patch new file mode 100644 index 0000000000..ae3bbcdec5 --- /dev/null +++ b/package/network/utils/iproute2/patches/950-add-cake-to-tc.patch @@ -0,0 +1,762 @@ +--- a/include/linux/pkt_sched.h ++++ b/include/linux/pkt_sched.h +@@ -877,4 +877,60 @@ struct tc_pie_xstats { + __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_MPU, ++ TCA_CAKE_RTT, ++ TCA_CAKE_TARGET, ++ TCA_CAKE_AUTORATE, ++ TCA_CAKE_MEMORY, ++ TCA_CAKE_NAT, ++ TCA_CAKE_ETHERNET, ++ TCA_CAKE_WASH, ++ __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; /* == 4, 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]; ++ __u16 unresponse_flows [TC_CAKE_MAX_TINS]; /* v4 - was u32 last_len */ ++ __u16 spare [TC_CAKE_MAX_TINS]; /* v4 - split last_len */ ++ __u32 max_skblen [TC_CAKE_MAX_TINS]; ++ __u32 capacity_estimate; /* version 2 */ ++ __u32 memory_limit; /* version 3 */ ++ __u32 memory_used; /* version 3 */ ++}; ++ + #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 +1,686 @@ ++/* ++ * 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 | diffserv-llt | diffserv3* ]\n" ++ " [ flowblind | srchost | dsthost | hosts | flows | dual-srchost | dual-dsthost | triple-isolate* ] [ nat | nonat* ]\n" ++ " [ ptm | atm | noatm* ] [ overhead N | conservative | raw* ] [ mpu N ]\n" ++ " [ wash | nowash* ]\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; ++ bool overhead_override = false; ++ int wash = -1; ++ int mpu = 0; ++ int flowmode = -1; ++ int nat = -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, "diffserv3") == 0) { ++ diffserv = 6; ++ ++ } else if (strcmp(*argv, "nowash") == 0) { ++ wash = 0; ++ } else if (strcmp(*argv, "wash") == 0) { ++ wash = 1; ++ ++ } 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, "nat") == 0) { ++ nat = 1; ++ } else if (strcmp(*argv, "nonat") == 0) { ++ nat = 0; ++ ++ } else if (strcmp(*argv, "ptm") == 0) { ++ atm = 2; ++ } 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; ++ overhead_override = 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, all over ATM cells */ ++ } 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, both over PTM */ ++ /* PTM has 64b/65b coding which absorbs some bandwidth */ ++ } else if (strcmp(*argv, "pppoe-ptm") == 0) { ++ atm = 2; ++ overhead += 27; ++ overhead_set = true; ++ } else if (strcmp(*argv, "bridged-ptm") == 0) { ++ atm = 2; ++ overhead += 19; ++ overhead_set = true; ++ ++ } else if (strcmp(*argv, "via-ethernet") == 0) { ++ /* ++ * We used to use this flag to manually compensate for ++ * Linux including the Ethernet header on Ethernet-type ++ * interfaces, but not on IP-type interfaces. ++ * ++ * It is no longer needed, because Cake now adjusts for ++ * that automatically, and is thus ignored. ++ * ++ * It would be deleted entirely, but it appears in the ++ * stats output when the automatic compensation is active. ++ */ ++ ++ } else if (strcmp(*argv, "ethernet") == 0) { ++ /* ethernet pre-amble & interframe gap & FCS ++ * you may need to add vlan tag */ ++ overhead += 38; ++ overhead_set = true; ++ mpu = 84; ++ ++ /* Additional Ethernet-related overhead used by some ISPs */ ++ } else if (strcmp(*argv, "ether-vlan") == 0) { ++ /* 802.1q VLAN tag - may be repeated */ ++ overhead += 4; ++ overhead_set = true; ++ ++ /* ++ * DOCSIS cable shapers account for Ethernet frame with FCS, ++ * but not interframe gap nor preamble. ++ */ ++ } else if (strcmp(*argv, "docsis") == 0) { ++ atm = 0; ++ overhead += 18; ++ overhead_set = true; ++ mpu = 64; ++ ++ } 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, "mpu") == 0) { ++ char* p = NULL; ++ NEXT_ARG(); ++ mpu = strtol(*argv, &p, 10); ++ if(!p || *p || !*argv || mpu < 0 || mpu > 256) { ++ fprintf(stderr, "Illegal \"mpu\", valid range is 0 to 256\\n"); ++ return -1; ++ } ++ ++ } 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 (overhead_override) { ++ unsigned zero = 0; ++ addattr_l(n, 1024, TCA_CAKE_ETHERNET, &zero, sizeof(zero)); ++ } ++ if (mpu > 0) ++ addattr_l(n, 1024, TCA_CAKE_MPU, &mpu, sizeof(mpu)); ++ 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)); ++ if (nat != -1) ++ addattr_l(n, 1024, TCA_CAKE_NAT, &nat, sizeof(nat)); ++ if (wash != -1) ++ addattr_l(n, 1024, TCA_CAKE_WASH, &wash, sizeof(wash)); ++ ++ 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 ethernet = 0; ++ int mpu = 0; ++ int atm = 0; ++ int nat = 0; ++ int autorate = 0; ++ int wash = 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; ++ case 6: ++ fprintf(f, "diffserv3 "); ++ 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]); ++ nat = !!(flowmode & 64); ++ flowmode &= ~64; ++ 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(nat) ++ fprintf(f, "nat "); ++ } ++ if (tb[TCA_CAKE_WASH] && ++ RTA_PAYLOAD(tb[TCA_CAKE_WASH]) >= sizeof(__u32)) { ++ wash = rta_getattr_u32(tb[TCA_CAKE_WASH]); ++ } ++ 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_MPU] && ++ RTA_PAYLOAD(tb[TCA_CAKE_MPU]) >= sizeof(__u32)) { ++ mpu = rta_getattr_u32(tb[TCA_CAKE_MPU]); ++ } ++ if (tb[TCA_CAKE_ETHERNET] && ++ RTA_PAYLOAD(tb[TCA_CAKE_ETHERNET]) >= sizeof(__u32)) { ++ ethernet = rta_getattr_u32(tb[TCA_CAKE_ETHERNET]); ++ } ++ if (tb[TCA_CAKE_RTT] && ++ RTA_PAYLOAD(tb[TCA_CAKE_RTT]) >= sizeof(__u32)) { ++ interval = rta_getattr_u32(tb[TCA_CAKE_RTT]); ++ } ++ ++ if (wash) ++ fprintf(f,"wash "); ++ ++ if (interval) ++ fprintf(f, "rtt %s ", sprint_time(interval, b2)); ++ ++ if (!atm && overhead == ethernet) { ++ fprintf(f, "raw "); ++ } else { ++ if (atm == 1) ++ fprintf(f, "atm "); ++ else if (atm == 2) ++ fprintf(f, "ptm "); ++ else ++ fprintf(f, "noatm "); ++ ++ fprintf(f, "overhead %d ", overhead); ++ ++ // This is actually the *amount* of automatic compensation, but we only report ++ // its presence as a boolean for now. ++ if (ethernet) ++ fprintf(f, "via-ethernet "); ++ } ++ ++ if (mpu) { ++ fprintf(f, "mpu %d ", mpu); ++ } ++ ++ 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 3: ++ fprintf(f, " Bulk Best Effort Voice\n"); ++ break; ++ ++ 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"); ++ ++ if(stnc->version >= 4) { ++ fprintf(f, " un_flows"); ++ for(i=0; i < stnc->tin_cnt; i++) ++ fprintf(f, "%12u", stnc->unresponse_flows[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, ++}; 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