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iproute2: tc: update support for cake

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Bump iproute2/tc support of cake.

Add support for cake's change to u64 attribute passing for certain
attributes (rate & byte counts)

Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
v19.07.3_mercusys_ac12_duma
Kevin Darbyshire-Bryant 6 years ago
parent 3698b34a00
commit a2165f936e
1 changed files with 83 additions and 28 deletions
Show Stats Download Patch File Download Diff File

111
package/network/utils/iproute2/patches/950-add-cake-to-tc.patch
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@ -1,13 +1,14 @@
--- a/include/uapi/linux/pkt_sched.h
+++ b/include/uapi/linux/pkt_sched.h
@@ -934,4 +934,110 @@ enum {
@@ -934,4 +934,118 @@ enum {
#define TCA_CBS_MAX (__TCA_CBS_MAX - 1)
+/* CAKE */
+enum {
+ TCA_CAKE_UNSPEC,
+ TCA_CAKE_BASE_RATE,
+ TCA_CAKE_PAD,
+ TCA_CAKE_BASE_RATE64,
+ TCA_CAKE_DIFFSERV_MODE,
+ TCA_CAKE_ATM,
+ TCA_CAKE_FLOW_MODE,
@ -29,7 +30,8 @@
+
+enum {
+ __TCA_CAKE_STATS_INVALID,
+ TCA_CAKE_STATS_CAPACITY_ESTIMATE,
+ TCA_CAKE_STATS_PAD,
+ TCA_CAKE_STATS_CAPACITY_ESTIMATE64,
+ TCA_CAKE_STATS_MEMORY_LIMIT,
+ TCA_CAKE_STATS_MEMORY_USED,
+ TCA_CAKE_STATS_AVG_NETOFF,
@ -38,6 +40,12 @@
+ TCA_CAKE_STATS_MIN_ADJLEN,
+ TCA_CAKE_STATS_MAX_ADJLEN,
+ TCA_CAKE_STATS_TIN_STATS,
+ TCA_CAKE_STATS_DEFICIT,
+ TCA_CAKE_STATS_COBALT_COUNT,
+ TCA_CAKE_STATS_DROPPING,
+ TCA_CAKE_STATS_DROP_NEXT_US,
+ TCA_CAKE_STATS_P_DROP,
+ TCA_CAKE_STATS_BLUE_TIMER_US,
+ __TCA_CAKE_STATS_MAX
+};
+#define TCA_CAKE_STATS_MAX (__TCA_CAKE_STATS_MAX - 1)
@ -54,8 +62,8 @@
+ TCA_CAKE_TIN_STATS_ECN_MARKED_PACKETS,
+ TCA_CAKE_TIN_STATS_ECN_MARKED_BYTES64,
+ TCA_CAKE_TIN_STATS_BACKLOG_PACKETS,
+ TCA_CAKE_TIN_STATS_BACKLOG_BYTES64,
+ TCA_CAKE_TIN_STATS_THRESHOLD_RATE,
+ TCA_CAKE_TIN_STATS_BACKLOG_BYTES,
+ TCA_CAKE_TIN_STATS_THRESHOLD_RATE64,
+ TCA_CAKE_TIN_STATS_TARGET_US,
+ TCA_CAKE_TIN_STATS_INTERVAL_US,
+ TCA_CAKE_TIN_STATS_WAY_INDIRECT_HITS,
@ -758,7 +766,7 @@
TCMODULES += q_hhf.o
--- /dev/null
+++ b/tc/q_cake.c
@@ -0,0 +1,749 @@
@@ -0,0 +1,796 @@
+/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
+/*
+ * Common Applications Kept Enhanced -- CAKE
@ -831,7 +839,7 @@
+ struct nlmsghdr *n, const char *dev)
+{
+ int unlimited = 0;
+ unsigned bandwidth = 0;
+ __u64 bandwidth = 0;
+ unsigned interval = 0;
+ unsigned target = 0;
+ unsigned diffserv = 0;
@ -853,7 +861,7 @@
+ while (argc > 0) {
+ if (strcmp(*argv, "bandwidth") == 0) {
+ NEXT_ARG();
+ if (get_rate(&bandwidth, *argv)) {
+ if (get_rate64(&bandwidth, *argv)) {
+ fprintf(stderr, "Illegal \"bandwidth\"\n");
+ return -1;
+ }
@ -1088,7 +1096,7 @@
+ 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));
+ addattr_l(n, 1024, TCA_CAKE_BASE_RATE64, &bandwidth, sizeof(bandwidth));
+ if (diffserv)
+ addattr_l(n, 1024, TCA_CAKE_DIFFSERV_MODE, &diffserv, sizeof(diffserv));
+ if (atm != -1)
@ -1128,7 +1136,7 @@
+static int cake_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
+{
+ struct rtattr *tb[TCA_CAKE_MAX + 1];
+ unsigned bandwidth = 0;
+ __u64 bandwidth = 0;
+ unsigned diffserv = 0;
+ unsigned flowmode = 0;
+ unsigned interval = 0;
@ -1151,9 +1159,9 @@
+
+ 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 (tb[TCA_CAKE_BASE_RATE64] &&
+ RTA_PAYLOAD(tb[TCA_CAKE_BASE_RATE64]) >= sizeof(bandwidth)) {
+ bandwidth = rta_getattr_u64(tb[TCA_CAKE_BASE_RATE64]);
+ if(bandwidth) {
+ print_uint(PRINT_JSON, "bandwidth", NULL, bandwidth);
+ print_string(PRINT_FP, NULL, "bandwidth %s ", sprint_rate(bandwidth, b1));
@ -1306,7 +1314,7 @@
+ else if (!raw)
+ print_string(PRINT_ANY, "atm", "%s ", "noatm");
+
+ print_uint(PRINT_ANY, "overhead", "overhead %d ", overhead);
+ print_int(PRINT_ANY, "overhead", "overhead %d ", overhead);
+
+ if (mpu)
+ print_uint(PRINT_ANY, "mpu", "mpu %u ", mpu);
@ -1322,18 +1330,19 @@
+static void cake_print_json_tin(struct rtattr **tstat)
+{
+#define PRINT_TSTAT_JSON(type, name, attr) if (tstat[TCA_CAKE_TIN_STATS_ ## attr]) \
+ print_uint(PRINT_JSON, name, NULL, \
+ print_u64(PRINT_JSON, name, NULL, \
+ rta_getattr_ ## type((struct rtattr *)tstat[TCA_CAKE_TIN_STATS_ ## attr]))
+
+ open_json_object(NULL);
+ PRINT_TSTAT_JSON(u32, "threshold_rate", THRESHOLD_RATE);
+ PRINT_TSTAT_JSON(u64, "threshold_rate", THRESHOLD_RATE64);
+ PRINT_TSTAT_JSON(u64, "sent_bytes", SENT_BYTES64);
+ PRINT_TSTAT_JSON(u32, "backlog_bytes", BACKLOG_BYTES);
+ PRINT_TSTAT_JSON(u32, "target_us", TARGET_US);
+ PRINT_TSTAT_JSON(u32, "interval_us", INTERVAL_US);
+ PRINT_TSTAT_JSON(u32, "peak_delay_us", PEAK_DELAY_US);
+ PRINT_TSTAT_JSON(u32, "avg_delay_us", AVG_DELAY_US);
+ PRINT_TSTAT_JSON(u32, "base_delay_us", BASE_DELAY_US);
+ PRINT_TSTAT_JSON(u32, "sent_packets", SENT_PACKETS);
+ PRINT_TSTAT_JSON(u64, "sent_bytes", SENT_BYTES64);
+ PRINT_TSTAT_JSON(u32, "way_indirect_hits", WAY_INDIRECT_HITS);
+ PRINT_TSTAT_JSON(u32, "way_misses", WAY_MISSES);
+ PRINT_TSTAT_JSON(u32, "way_collisions", WAY_COLLISIONS);
@ -1361,6 +1370,8 @@
+ return 0;
+
+#define GET_STAT_U32(attr) rta_getattr_u32(st[TCA_CAKE_STATS_ ## attr])
+#define GET_STAT_S32(attr) (*(__s32*)RTA_DATA(st[TCA_CAKE_STATS_ ## attr]))
+#define GET_STAT_U64(attr) rta_getattr_u64(st[TCA_CAKE_STATS_ ## attr])
+
+ parse_rtattr_nested(st, TCA_CAKE_STATS_MAX, xstats);
+
@ -1378,11 +1389,11 @@
+ GET_STAT_U32(MEMORY_LIMIT));
+ }
+
+ if (st[TCA_CAKE_STATS_CAPACITY_ESTIMATE]) {
+ if (st[TCA_CAKE_STATS_CAPACITY_ESTIMATE64]) {
+ print_string(PRINT_FP, NULL, " capacity estimate: %s\n",
+ sprint_rate(GET_STAT_U32(CAPACITY_ESTIMATE), b1));
+ sprint_rate(GET_STAT_U64(CAPACITY_ESTIMATE64), b1));
+ print_uint(PRINT_JSON, "capacity_estimate", NULL,
+ GET_STAT_U32(CAPACITY_ESTIMATE));
+ GET_STAT_U64(CAPACITY_ESTIMATE64));
+ }
+
+ if (st[TCA_CAKE_STATS_MIN_NETLEN] &&
@ -1408,7 +1419,50 @@
+ " average network hdr offset: %8u\n\n",
+ GET_STAT_U32(AVG_NETOFF));
+
+ /* class stats */
+ if (st[TCA_CAKE_STATS_DEFICIT])
+ print_int(PRINT_ANY, "deficit", " deficit %u",
+ GET_STAT_S32(DEFICIT));
+ if (st[TCA_CAKE_STATS_COBALT_COUNT])
+ print_uint(PRINT_ANY, "count", " count %u",
+ GET_STAT_U32(COBALT_COUNT));
+
+ if (st[TCA_CAKE_STATS_DROPPING] && GET_STAT_U32(DROPPING)) {
+ print_bool(PRINT_ANY, "dropping", " dropping", true);
+ if (st[TCA_CAKE_STATS_DROP_NEXT_US]) {
+ int drop_next = GET_STAT_S32(DROP_NEXT_US);
+ if (drop_next < 0) {
+ print_string(PRINT_FP, NULL, " drop_next -%s",
+ sprint_time(drop_next, b1));
+ } else {
+ print_uint(PRINT_JSON, "drop_next", NULL,
+ drop_next);
+ print_string(PRINT_FP, NULL, " drop_next %s",
+ sprint_time(drop_next, b1));
+ }
+ }
+ }
+
+ if (st[TCA_CAKE_STATS_P_DROP]) {
+ print_uint(PRINT_ANY, "blue_prob", " blue_prob %u",
+ GET_STAT_U32(P_DROP));
+ if (st[TCA_CAKE_STATS_BLUE_TIMER_US]) {
+ int blue_timer = GET_STAT_S32(BLUE_TIMER_US);
+ if (blue_timer < 0) {
+ print_string(PRINT_FP, NULL, " blue_timer -%s",
+ sprint_time(blue_timer, b1));
+ } else {
+ print_uint(PRINT_JSON, "blue_timer", NULL,
+ blue_timer);
+ print_string(PRINT_FP, NULL, " blue_timer %s",
+ sprint_time(blue_timer, b1));
+ }
+ }
+ }
+
+#undef GET_STAT_U32
+#undef GET_STAT_S32
+#undef GET_STAT_U64
+
+ if (st[TCA_CAKE_STATS_TIN_STATS]) {
+ struct rtattr *tins[TC_CAKE_MAX_TINS + 1];
@ -1461,9 +1515,9 @@
+ } \
+ } while (0)
+
+#define SPRINT_TSTAT(pfunc, name, attr) PRINT_TSTAT( \
+#define SPRINT_TSTAT(pfunc, type, name, attr) PRINT_TSTAT( \
+ name, attr, "s", sprint_ ## pfunc( \
+ rta_getattr_u32(GET_TSTAT(i, attr)), b1))
+ rta_getattr_ ## type(GET_TSTAT(i, attr)), b1))
+
+#define PRINT_TSTAT_U32(name, attr) PRINT_TSTAT( \
+ name, attr, "u", rta_getattr_u32(GET_TSTAT(i, attr)))
@ -1471,12 +1525,13 @@
+#define PRINT_TSTAT_U64(name, attr) PRINT_TSTAT( \
+ name, attr, "llu", rta_getattr_u64(GET_TSTAT(i, attr)))
+
+ SPRINT_TSTAT(rate, " thresh ", THRESHOLD_RATE);
+ SPRINT_TSTAT(time, " target ", TARGET_US);
+ SPRINT_TSTAT(time, " interval", INTERVAL_US);
+ SPRINT_TSTAT(time, " pk_delay", PEAK_DELAY_US);
+ SPRINT_TSTAT(time, " av_delay", AVG_DELAY_US);
+ SPRINT_TSTAT(time, " sp_delay", BASE_DELAY_US);
+ SPRINT_TSTAT(rate, u64, " thresh ", THRESHOLD_RATE64);
+ SPRINT_TSTAT(time, u32, " target ", TARGET_US);
+ SPRINT_TSTAT(time, u32, " interval", INTERVAL_US);
+ SPRINT_TSTAT(time, u32, " pk_delay", PEAK_DELAY_US);
+ SPRINT_TSTAT(time, u32, " av_delay", AVG_DELAY_US);
+ SPRINT_TSTAT(time, u32, " sp_delay", BASE_DELAY_US);
+ SPRINT_TSTAT(size, u32, " backlog ", BACKLOG_BYTES);
+
+ PRINT_TSTAT_U32(" pkts ", SENT_PACKETS);
+ PRINT_TSTAT_U64(" bytes ", SENT_BYTES64);

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