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00012 #include <netlink-local.h>
00013 #include <netlink-tc.h>
00014 #include <netlink/netlink.h>
00015 #include <netlink/utils.h>
00016 #include <netlink/route/qdisc.h>
00017 #include <netlink/route/qdisc-modules.h>
00018 #include <netlink/route/class.h>
00019 #include <netlink/route/class-modules.h>
00020 #include <netlink/route/link.h>
00021 #include <netlink/route/sch/cbq.h>
00022 #include <netlink/route/cls/police.h>
00023
00024
00025
00026
00027
00028
00029
00030
00031 static struct trans_tbl ovl_strategies[] = {
00032 __ADD(TC_CBQ_OVL_CLASSIC,classic)
00033 __ADD(TC_CBQ_OVL_DELAY,delay)
00034 __ADD(TC_CBQ_OVL_LOWPRIO,lowprio)
00035 __ADD(TC_CBQ_OVL_DROP,drop)
00036 __ADD(TC_CBQ_OVL_RCLASSIC,rclassic)
00037 };
00038
00039
00040
00041
00042
00043
00044
00045
00046
00047
00048
00049 char *nl_ovl_strategy2str(int type, char *buf, size_t len)
00050 {
00051 return __type2str(type, buf, len, ovl_strategies,
00052 ARRAY_SIZE(ovl_strategies));
00053 }
00054
00055
00056
00057
00058
00059
00060
00061
00062 int nl_str2ovl_strategy(const char *name)
00063 {
00064 return __str2type(name, ovl_strategies, ARRAY_SIZE(ovl_strategies));
00065 }
00066
00067 static struct nla_policy cbq_policy[TCA_CBQ_MAX+1] = {
00068 [TCA_CBQ_LSSOPT] = { .minlen = sizeof(struct tc_cbq_lssopt) },
00069 [TCA_CBQ_RATE] = { .minlen = sizeof(struct tc_ratespec) },
00070 [TCA_CBQ_WRROPT] = { .minlen = sizeof(struct tc_cbq_wrropt) },
00071 [TCA_CBQ_OVL_STRATEGY] = { .minlen = sizeof(struct tc_cbq_ovl) },
00072 [TCA_CBQ_FOPT] = { .minlen = sizeof(struct tc_cbq_fopt) },
00073 [TCA_CBQ_POLICE] = { .minlen = sizeof(struct tc_cbq_police) },
00074 };
00075
00076 static inline struct rtnl_cbq *cbq_qdisc(struct rtnl_tca *tca)
00077 {
00078 return (struct rtnl_cbq *) tca->tc_subdata;
00079 }
00080
00081 static inline struct rtnl_cbq *cbq_alloc(struct rtnl_tca *tca)
00082 {
00083 if (!tca->tc_subdata)
00084 tca->tc_subdata = calloc(1, sizeof(struct rtnl_qdisc));
00085
00086 return cbq_qdisc(tca);
00087 }
00088
00089
00090 static int cbq_msg_parser(struct rtnl_tca *tca)
00091 {
00092 struct nlattr *tb[TCA_CBQ_MAX + 1];
00093 struct rtnl_cbq *cbq;
00094 int err;
00095
00096 err = tca_parse(tb, TCA_CBQ_MAX, tca, cbq_policy);
00097 if (err < 0)
00098 return err;
00099
00100 cbq = cbq_alloc(tca);
00101 if (!cbq)
00102 return -NLE_NOMEM;
00103
00104 nla_memcpy(&cbq->cbq_lss, tb[TCA_CBQ_LSSOPT], sizeof(cbq->cbq_lss));
00105 nla_memcpy(&cbq->cbq_rate, tb[TCA_CBQ_RATE], sizeof(cbq->cbq_rate));
00106 nla_memcpy(&cbq->cbq_wrr, tb[TCA_CBQ_WRROPT], sizeof(cbq->cbq_wrr));
00107 nla_memcpy(&cbq->cbq_fopt, tb[TCA_CBQ_FOPT], sizeof(cbq->cbq_fopt));
00108 nla_memcpy(&cbq->cbq_ovl, tb[TCA_CBQ_OVL_STRATEGY],
00109 sizeof(cbq->cbq_ovl));
00110 nla_memcpy(&cbq->cbq_police, tb[TCA_CBQ_POLICE],
00111 sizeof(cbq->cbq_police));
00112
00113 return 0;
00114 }
00115
00116 static int cbq_qdisc_msg_parser(struct rtnl_qdisc *qdisc)
00117 {
00118 return cbq_msg_parser((struct rtnl_tca *) qdisc);
00119 }
00120
00121 static int cbq_class_msg_parser(struct rtnl_class *class)
00122 {
00123 return cbq_msg_parser((struct rtnl_tca *) class);
00124 }
00125
00126 static void cbq_qdisc_free_data(struct rtnl_qdisc *qdisc)
00127 {
00128 free(qdisc->q_subdata);
00129 }
00130
00131 static int cbq_clone(struct rtnl_tca *_dst, struct rtnl_tca *_src)
00132 {
00133 struct rtnl_cbq *src = cbq_qdisc(_src);
00134
00135 if (src && !cbq_alloc(_dst))
00136 return -NLE_NOMEM;
00137 else
00138 return 0;
00139 }
00140
00141 static int cbq_qdisc_clone(struct rtnl_qdisc *dst, struct rtnl_qdisc *src)
00142 {
00143 return cbq_clone((struct rtnl_tca *) dst, (struct rtnl_tca *) src);
00144 }
00145
00146 static void cbq_class_free_data(struct rtnl_class *class)
00147 {
00148 free(class->c_subdata);
00149 }
00150
00151 static int cbq_class_clone(struct rtnl_class *dst, struct rtnl_class *src)
00152 {
00153 return cbq_clone((struct rtnl_tca *) dst, (struct rtnl_tca *) src);
00154 }
00155
00156 static void cbq_dump_line(struct rtnl_tca *tca, struct nl_dump_params *p)
00157 {
00158 struct rtnl_cbq *cbq;
00159 double r, rbit;
00160 char *ru, *rubit;
00161
00162 cbq = cbq_qdisc(tca);
00163 if (!cbq)
00164 return;
00165
00166 r = nl_cancel_down_bytes(cbq->cbq_rate.rate, &ru);
00167 rbit = nl_cancel_down_bits(cbq->cbq_rate.rate * 8, &rubit);
00168
00169 nl_dump(p, " rate %.2f%s/s (%.0f%s) prio %u",
00170 r, ru, rbit, rubit, cbq->cbq_wrr.priority);
00171 }
00172
00173 static void cbq_qdisc_dump_line(struct rtnl_qdisc *qdisc,
00174 struct nl_dump_params *p)
00175 {
00176 cbq_dump_line((struct rtnl_tca *) qdisc, p);
00177 }
00178
00179 static void cbq_class_dump_line(struct rtnl_class *class,
00180 struct nl_dump_params *p)
00181 {
00182 cbq_dump_line((struct rtnl_tca *) class, p);
00183 }
00184
00185 static void cbq_dump_details(struct rtnl_tca *tca, struct nl_dump_params *p)
00186 {
00187 struct rtnl_cbq *cbq;
00188 char *unit, buf[32];
00189 double w;
00190 uint32_t el;
00191
00192 cbq = cbq_qdisc(tca);
00193 if (!cbq)
00194 return;
00195
00196 w = nl_cancel_down_bits(cbq->cbq_wrr.weight * 8, &unit);
00197
00198 nl_dump(p, "avgpkt %u mpu %u cell %u allot %u weight %.0f%s\n",
00199 cbq->cbq_lss.avpkt,
00200 cbq->cbq_rate.mpu,
00201 1 << cbq->cbq_rate.cell_log,
00202 cbq->cbq_wrr.allot, w, unit);
00203
00204 el = cbq->cbq_lss.ewma_log;
00205 nl_dump_line(p, " minidle %uus maxidle %uus offtime "
00206 "%uus level %u ewma_log %u\n",
00207 nl_ticks2us(cbq->cbq_lss.minidle >> el),
00208 nl_ticks2us(cbq->cbq_lss.maxidle >> el),
00209 nl_ticks2us(cbq->cbq_lss.offtime >> el),
00210 cbq->cbq_lss.level,
00211 cbq->cbq_lss.ewma_log);
00212
00213 nl_dump_line(p, " penalty %uus strategy %s ",
00214 nl_ticks2us(cbq->cbq_ovl.penalty),
00215 nl_ovl_strategy2str(cbq->cbq_ovl.strategy, buf, sizeof(buf)));
00216
00217 nl_dump(p, "split %s defmap 0x%08x ",
00218 rtnl_tc_handle2str(cbq->cbq_fopt.split, buf, sizeof(buf)),
00219 cbq->cbq_fopt.defmap);
00220
00221 nl_dump(p, "police %s",
00222 nl_police2str(cbq->cbq_police.police, buf, sizeof(buf)));
00223 }
00224
00225 static void cbq_qdisc_dump_details(struct rtnl_qdisc *qdisc,
00226 struct nl_dump_params *p)
00227 {
00228 cbq_dump_details((struct rtnl_tca *) qdisc, p);
00229 }
00230
00231 static void cbq_class_dump_details(struct rtnl_class *class,
00232 struct nl_dump_params *p)
00233 {
00234 cbq_dump_details((struct rtnl_tca *) class, p);
00235 }
00236
00237 static void cbq_dump_stats(struct rtnl_tca *tca, struct nl_dump_params *p)
00238 {
00239 struct tc_cbq_xstats *x = tca_xstats(tca);
00240
00241 if (!x)
00242 return;
00243
00244 nl_dump_line(p, " borrows overact "
00245 " avgidle undertime\n");
00246 nl_dump_line(p, " %10u %10u %10u %10u\n",
00247 x->borrows, x->overactions, x->avgidle, x->undertime);
00248 }
00249
00250 static void cbq_qdisc_dump_stats(struct rtnl_qdisc *qdisc,
00251 struct nl_dump_params *p)
00252 {
00253 cbq_dump_stats((struct rtnl_tca *) qdisc, p);
00254 }
00255
00256 static void cbq_class_dump_stats(struct rtnl_class *class,
00257 struct nl_dump_params *p)
00258 {
00259 cbq_dump_stats((struct rtnl_tca *) class, p);
00260 }
00261
00262 static struct rtnl_qdisc_ops cbq_qdisc_ops = {
00263 .qo_kind = "cbq",
00264 .qo_msg_parser = cbq_qdisc_msg_parser,
00265 .qo_free_data = cbq_qdisc_free_data,
00266 .qo_clone = cbq_qdisc_clone,
00267 .qo_dump = {
00268 [NL_DUMP_LINE] = cbq_qdisc_dump_line,
00269 [NL_DUMP_DETAILS] = cbq_qdisc_dump_details,
00270 [NL_DUMP_STATS] = cbq_qdisc_dump_stats,
00271 },
00272 };
00273
00274 static struct rtnl_class_ops cbq_class_ops = {
00275 .co_kind = "cbq",
00276 .co_msg_parser = cbq_class_msg_parser,
00277 .co_free_data = cbq_class_free_data,
00278 .co_clone = cbq_class_clone,
00279 .co_dump = {
00280 [NL_DUMP_LINE] = cbq_class_dump_line,
00281 [NL_DUMP_DETAILS] = cbq_class_dump_details,
00282 [NL_DUMP_STATS] = cbq_class_dump_stats,
00283 },
00284 };
00285
00286 static void __init cbq_init(void)
00287 {
00288 rtnl_qdisc_register(&cbq_qdisc_ops);
00289 rtnl_class_register(&cbq_class_ops);
00290 }
00291
00292 static void __exit cbq_exit(void)
00293 {
00294 rtnl_qdisc_unregister(&cbq_qdisc_ops);
00295 rtnl_class_unregister(&cbq_class_ops);
00296 }
00297
00298