From a2165f936e94ed71dff5fdbf0fbc58c88fb17158 Mon Sep 17 00:00:00 2001 From: Kevin Darbyshire-Bryant Date: Fri, 18 May 2018 20:57:44 +0100 Subject: [PATCH] iproute2: tc: update support for cake 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 --- .../iproute2/patches/950-add-cake-to-tc.patch | 111 +++++++++++++----- 1 file changed, 83 insertions(+), 28 deletions(-) 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 index 3c2cdaaac3..f453af9d2e 100644 --- a/package/network/utils/iproute2/patches/950-add-cake-to-tc.patch +++ b/package/network/utils/iproute2/patches/950-add-cake-to-tc.patch @@ -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); -- 2.25.1