+ __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];
++ __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];
++ 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]; /* ~= bulk flow delay */
-+ __u32 avge_delay_us[TC_CAKE_MAX_TINS];
-+ __u32 base_delay_us[TC_CAKE_MAX_TINS]; /* ~= sparse flows delay */
-+ __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 way_misses [TC_CAKE_MAX_TINS];
++ __u32 way_collisions [TC_CAKE_MAX_TINS];
++ __u32 peak_delay_us [TC_CAKE_MAX_TINS]; /* ~= bulk flow delay */
++ __u32 avge_delay_us [TC_CAKE_MAX_TINS];
++ __u32 base_delay_us [TC_CAKE_MAX_TINS]; /* ~= sparse flows delay */
++ __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 */
-+ struct tc_cake_traffic_stats ack_drops[TC_CAKE_MAX_TINS]; /* v5 */
++ __u32 memory_used; /* version 3 */
++ struct tc_cake_traffic_stats ack_drops [TC_CAKE_MAX_TINS]; /* v5 */
+};
+
#endif
TCMODULES += e_bpf.o
--- /dev/null
+++ b/tc/q_cake.c
-@@ -0,0 +1,692 @@
+@@ -0,0 +1,771 @@
+/*
+ * Common Applications Kept Enhanced -- CAKE
+ *
+" dual-srchost | dual-dsthost | triple-isolate* ]\n"
+" [ nat | nonat* ]\n"
+" [ wash | nowash * ]\n"
++" [ ack-filter | ack-filter-aggressive | no-ack-filter * ]\n"
+" [ memlimit LIMIT ]\n"
+" [ ptm | atm | noatm* ] [ overhead N | conservative | raw* ]\n"
-+" [ mpu N ]\n"
++" [ mpu N ] [ ingress | egress* ]\n"
+" (* marks defaults)\n");
+}
+
+ 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;
++ int wash = -1;
++ int ingress = -1;
++ int ack_filter = -1;
+ struct rtattr *tail;
+
+ while (argc > 0) {
+ /* Typical VDSL2 framing schemes, both over PTM */
+ /* PTM has 64b/65b coding which absorbs some bandwidth */
+ } else if (strcmp(*argv, "pppoe-ptm") == 0) {
++ /* 2B PPP + 6B PPPoE + 6B dest MAC + 6B src MAC
++ * + 2B ethertype + 4B Frame Check Sequence
++ * + 1B Start of Frame (S) + 1B End of Frame (Ck)
++ * + 2B TC-CRC (PTM-FCS) = 30B
++ */
+ atm = 2;
-+ overhead += 27;
++ overhead += 30;
+ overhead_set = true;
+ } else if (strcmp(*argv, "bridged-ptm") == 0) {
++ /* 6B dest MAC + 6B src MAC + 2B ethertype
++ * + 4B Frame Check Sequence
++ * + 1B Start of Frame (S) + 1B End of Frame (Ck)
++ * + 2B TC-CRC (PTM-FCS) = 22B
++ */
+ atm = 2;
-+ overhead += 19;
++ overhead += 22;
+ overhead_set = true;
+
+ } else if (strcmp(*argv, "via-ethernet") == 0) {
+ * that automatically, and is thus ignored.
+ *
+ * It would be deleted entirely, but it appears in the
-+ * stats output when the automatic compensation is active.
++ * stats output when the automatic compensation is
++ * active.
++ */
++
++ } else if (strcmp(*argv, "total_overhead") == 0) {
++ /*
++ * This is the overhead cake accounts for; added here so
++ * that cake's "tc -s qdisc" output can be directly
++ * pasted into the tc command to instantate a new cake..
++ */
++ NEXT_ARG();
++
++ } else if (strcmp(*argv, "hard_header_len") == 0) {
++ /*
++ * This is the overhead the kernel automatically
++ * accounted for; added here so that cake's "tc -s
++ * qdisc" output can be directly pasted into the tc
++ * command to instantiate a new cake..
+ */
++ NEXT_ARG();
+
+ } else if (strcmp(*argv, "ethernet") == 0) {
+ /* ethernet pre-amble & interframe gap & FCS
+
+ /*
+ * DOCSIS cable shapers account for Ethernet frame with FCS,
-+ * but not interframe gap nor preamble.
++ * but not interframe gap or preamble.
+ */
+ } else if (strcmp(*argv, "docsis") == 0) {
+ atm = 0;
+ return -1;
+ }
+
++ } else if (strcmp(*argv, "ingress") == 0) {
++ ingress = 1;
++ } else if (strcmp(*argv, "egress") == 0) {
++ ingress = 0;
++
++ } else if (strcmp(*argv, "no-ack-filter") == 0) {
++ ack_filter = 0;
++ } else if (strcmp(*argv, "ack-filter") == 0) {
++ ack_filter = 0x0200;
++ } else if (strcmp(*argv, "ack-filter-aggressive") == 0) {
++ ack_filter = 0x0600;
++
+ } else if (strcmp(*argv, "memlimit") == 0) {
+ NEXT_ARG();
+ if(get_size(&memlimit, *argv)) {
+ addattr_l(n, 1024, TCA_CAKE_NAT, &nat, sizeof(nat));
+ if (wash != -1)
+ addattr_l(n, 1024, TCA_CAKE_WASH, &wash, sizeof(wash));
++ if (ingress != -1)
++ addattr_l(n, 1024, TCA_CAKE_INGRESS, &ingress, sizeof(ingress));
++ if (ack_filter != -1)
++ addattr_l(n, 1024, TCA_CAKE_ACK_FILTER, &ack_filter, sizeof(ack_filter));
+
+ tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
+ return 0;
+ int nat = 0;
+ int autorate = 0;
+ int wash = 0;
++ int ingress = 0;
++ int ack_filter = 0;
+ SPRINT_BUF(b1);
+ SPRINT_BUF(b2);
+
+ RTA_PAYLOAD(tb[TCA_CAKE_MPU]) >= sizeof(__u32)) {
+ mpu = rta_getattr_u32(tb[TCA_CAKE_MPU]);
+ }
++ if (tb[TCA_CAKE_INGRESS] &&
++ RTA_PAYLOAD(tb[TCA_CAKE_INGRESS]) >= sizeof(__u32)) {
++ ingress = rta_getattr_u32(tb[TCA_CAKE_INGRESS]);
++ }
++ if (tb[TCA_CAKE_ACK_FILTER] &&
++ RTA_PAYLOAD(tb[TCA_CAKE_ACK_FILTER]) >= sizeof(__u32)) {
++ ack_filter = rta_getattr_u32(tb[TCA_CAKE_ACK_FILTER]);
++ }
+ if (tb[TCA_CAKE_ETHERNET] &&
+ RTA_PAYLOAD(tb[TCA_CAKE_ETHERNET]) >= sizeof(__u32)) {
+ ethernet = rta_getattr_u32(tb[TCA_CAKE_ETHERNET]);
+ if (wash)
+ fprintf(f,"wash ");
+
++ if (ingress)
++ fprintf(f,"ingress ");
++
++ if (ack_filter == 0x0600)
++ fprintf(f,"ack-filter-aggressive ");
++ else if (ack_filter)
++ fprintf(f,"ack-filter ");
++
+ if (interval)
+ fprintf(f, "rtt %s ", sprint_time(interval, b2));
+
+
+ fprintf(f, "overhead %d ", overhead);
+
-+ // This is actually the *amount* of automatic compensation, but we only report
-+ // its presence as a boolean for now.
++ /* 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 ");
+ }
+
++ /* unconditionally report the overhead and hard_header_len overhead the
++ * kernel added automatically
++ */
++ fprintf(f, "total_overhead %d ", overhead);
++ fprintf(f, "hard_header_len %d ", ethernet);
++
+ if (mpu) {
+ fprintf(f, "mpu %d ", mpu);
+ }
+}
+
+static int cake_print_xstats(struct qdisc_util *qu, FILE *f,
-+ struct rtattr *xstats)
++ struct rtattr *xstats)
+{
+ /* fq_codel stats format borrowed */
+ struct tc_fq_codel_xstats *st;
+
+ switch(stnc->tin_cnt) {
+ case 3:
-+ fprintf(f, " Bulk Best Effort Voice\n");
++ fprintf(f, " Bulk Best Effort Voice\n");
+ break;
+
+ case 4:
-+ fprintf(f, " Bulk Best Effort Video Voice\n");
++ fprintf(f, " Bulk Best Effort Video Voice\n");
+ break;
+
+ case 5:
-+ fprintf(f, " Low Loss Best Effort Low Delay Bulk Net Control\n");
++ 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, " 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, " %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, " %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, " %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, " %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, " %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, " %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, " %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, " %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, " %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, " %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, " %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, " %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, " %12u", stnc->ecn_marked[i].packets);
+ fprintf(f, "\n");
+
++ if(stnc->version >= 5) {
++ fprintf(f, " ack_drop");
++ for(i=0; i < stnc->tin_cnt; i++)
++ fprintf(f, " %12u", stnc->ack_drops[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, " %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, " %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, " %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, " %12u", stnc->max_skblen[i]);
+ fprintf(f, "\n");
+ } else {
+ return -1;
projects / openwrt / openwrt.git / blobdiff