[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/iproute2/iproute2-3.4.0/tc/q_sfb.c b/ap/app/iproute2/iproute2-3.4.0/tc/q_sfb.c
new file mode 100755
index 0000000..f11c33a
--- /dev/null
+++ b/ap/app/iproute2/iproute2-3.4.0/tc/q_sfb.c
@@ -0,0 +1,200 @@
+/*
+ * q_sfb.c Stochastic Fair Blue.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ * Authors: Juliusz Chroboczek <jch@pps.jussieu.fr>
+ *
+ */
+
+
+
+#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: ... sfb [ rehash SECS ] [ db SECS ]\n"
+ " [ limit PACKETS ] [ max PACKETS ] [ target PACKETS ]\n"
+ " [ increment FLOAT ] [ decrement FLOAT ]\n"
+ " [ penalty_rate PPS ] [ penalty_burst PACKETS ]\n");
+}
+
+static int get_prob(__u32 *val, const char *arg)
+{
+ double d;
+ char *ptr;
+
+ if (!arg || !*arg)
+ return -1;
+ d = strtod(arg, &ptr);
+ if (!ptr || ptr == arg || d < 0.0 || d > 1.0)
+ return -1;
+ *val = (__u32)(d * SFB_MAX_PROB + 0.5);
+ return 0;
+}
+
+static int sfb_parse_opt(struct qdisc_util *qu, int argc, char **argv,
+ struct nlmsghdr *n)
+{
+ struct tc_sfb_qopt opt;
+ struct rtattr *tail;
+
+ memset(&opt, 0, sizeof(opt));
+ opt.rehash_interval = 600*1000;
+ opt.warmup_time = 60*1000;
+ opt.penalty_rate = 10;
+ opt.penalty_burst = 20;
+ opt.increment = (SFB_MAX_PROB + 1000) / 2000;
+ opt.decrement = (SFB_MAX_PROB + 10000) / 20000;
+
+ while (argc > 0) {
+ if (strcmp(*argv, "rehash") == 0) {
+ NEXT_ARG();
+ if (get_u32(&opt.rehash_interval, *argv, 0)) {
+ fprintf(stderr, "Illegal \"rehash\"\n");
+ return -1;
+ }
+ } else if (strcmp(*argv, "db") == 0) {
+ NEXT_ARG();
+ if (get_u32(&opt.warmup_time, *argv, 0)) {
+ fprintf(stderr, "Illegal \"db\"\n");
+ return -1;
+ }
+ } else if (strcmp(*argv, "limit") == 0) {
+ NEXT_ARG();
+ if (get_u32(&opt.limit, *argv, 0)) {
+ fprintf(stderr, "Illegal \"limit\"\n");
+ return -1;
+ }
+ } else if (strcmp(*argv, "max") == 0) {
+ NEXT_ARG();
+ if (get_u32(&opt.max, *argv, 0)) {
+ fprintf(stderr, "Illegal \"max\"\n");
+ return -1;
+ }
+ } else if (strcmp(*argv, "target") == 0) {
+ NEXT_ARG();
+ if (get_u32(&opt.bin_size, *argv, 0)) {
+ fprintf(stderr, "Illegal \"target\"\n");
+ return -1;
+ }
+ } else if (strcmp(*argv, "increment") == 0) {
+ NEXT_ARG();
+ if (get_prob(&opt.increment, *argv)) {
+ fprintf(stderr, "Illegal \"increment\"\n");
+ return -1;
+ }
+ } else if (strcmp(*argv, "decrement") == 0) {
+ NEXT_ARG();
+ if (get_prob(&opt.decrement, *argv)) {
+ fprintf(stderr, "Illegal \"decrement\"\n");
+ return -1;
+ }
+ } else if (strcmp(*argv, "penalty_rate") == 0) {
+ NEXT_ARG();
+ if (get_u32(&opt.penalty_rate, *argv, 0)) {
+ fprintf(stderr, "Illegal \"penalty_rate\"\n");
+ return -1;
+ }
+ } else if (strcmp(*argv, "penalty_burst") == 0) {
+ NEXT_ARG();
+ if (get_u32(&opt.penalty_burst, *argv, 0)) {
+ fprintf(stderr, "Illegal \"penalty_burst\"\n");
+ return -1;
+ }
+ } else {
+ fprintf(stderr, "What is \"%s\"?\n", *argv);
+ explain();
+ return -1;
+ }
+ argc--; argv++;
+ }
+
+ if (opt.max == 0) {
+ if (opt.bin_size >= 1)
+ opt.max = (opt.bin_size * 5 + 1) / 4;
+ else
+ opt.max = 25;
+ }
+ if (opt.bin_size == 0)
+ opt.bin_size = (opt.max * 4 + 3) / 5;
+
+ tail = NLMSG_TAIL(n);
+ addattr_l(n, 1024, TCA_OPTIONS, NULL, 0);
+ addattr_l(n, 1024, TCA_SFB_PARMS, &opt, sizeof(opt));
+ tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
+ return 0;
+}
+
+static int sfb_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
+{
+ struct rtattr *tb[__TCA_SFB_MAX];
+ struct tc_sfb_qopt *qopt;
+
+ if (opt == NULL)
+ return 0;
+
+ parse_rtattr_nested(tb, TCA_SFB_MAX, opt);
+ if (tb[TCA_SFB_PARMS] == NULL)
+ return -1;
+ qopt = RTA_DATA(tb[TCA_SFB_PARMS]);
+ if (RTA_PAYLOAD(tb[TCA_SFB_PARMS]) < sizeof(*qopt))
+ return -1;
+
+ fprintf(f,
+ "limit %d max %d target %d\n"
+ " increment %.5f decrement %.5f penalty rate %d burst %d "
+ "(%ums %ums)",
+ qopt->limit, qopt->max, qopt->bin_size,
+ (double)qopt->increment / SFB_MAX_PROB,
+ (double)qopt->decrement / SFB_MAX_PROB,
+ qopt->penalty_rate, qopt->penalty_burst,
+ qopt->rehash_interval, qopt->warmup_time);
+
+ return 0;
+}
+
+static int sfb_print_xstats(struct qdisc_util *qu, FILE *f,
+ struct rtattr *xstats)
+{
+ struct tc_sfb_xstats *st;
+
+ if (xstats == NULL)
+ return 0;
+
+ if (RTA_PAYLOAD(xstats) < sizeof(*st))
+ return -1;
+
+ st = RTA_DATA(xstats);
+ fprintf(f,
+ " earlydrop %u penaltydrop %u bucketdrop %u queuedrop %u childdrop %u marked %u\n"
+ " maxqlen %u maxprob %.5f avgprob %.5f ",
+ st->earlydrop, st->penaltydrop, st->bucketdrop, st->queuedrop, st->childdrop,
+ st->marked,
+ st->maxqlen, (double)st->maxprob / SFB_MAX_PROB,
+ (double)st->avgprob / SFB_MAX_PROB);
+
+ return 0;
+}
+
+struct qdisc_util sfb_qdisc_util = {
+ .id = "sfb",
+ .parse_qopt = sfb_parse_opt,
+ .print_qopt = sfb_print_opt,
+ .print_xstats = sfb_print_xstats,
+};