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00019 #include <netlink-local.h>
00020 #include <netlink-tc.h>
00021 #include <netlink/netlink.h>
00022 #include <netlink/utils.h>
00023 #include <netlink/route/qdisc.h>
00024 #include <netlink/route/qdisc-modules.h>
00025 #include <netlink/route/sch/red.h>
00026
00027
00028 #define RED_ATTR_LIMIT 0x01
00029 #define RED_ATTR_QTH_MIN 0x02
00030 #define RED_ATTR_QTH_MAX 0x04
00031 #define RED_ATTR_FLAGS 0x08
00032 #define RED_ATTR_WLOG 0x10
00033 #define RED_ATTR_PLOG 0x20
00034 #define RED_ATTR_SCELL_LOG 0x40
00035
00036
00037 static inline struct rtnl_red *red_qdisc(struct rtnl_qdisc *qdisc)
00038 {
00039 return (struct rtnl_red *) qdisc->q_subdata;
00040 }
00041
00042 static inline struct rtnl_red *red_alloc(struct rtnl_qdisc *qdisc)
00043 {
00044 if (!qdisc->q_subdata)
00045 qdisc->q_subdata = calloc(1, sizeof(struct rtnl_red));
00046
00047 return red_qdisc(qdisc);
00048 }
00049
00050 static struct nla_policy red_policy[TCA_RED_MAX+1] = {
00051 [TCA_RED_PARMS] = { .minlen = sizeof(struct tc_red_qopt) },
00052 };
00053
00054 static int red_msg_parser(struct rtnl_qdisc *qdisc)
00055 {
00056 struct nlattr *tb[TCA_RED_MAX+1];
00057 struct rtnl_red *red;
00058 struct tc_red_qopt *opts;
00059 int err;
00060
00061 if (!(qdisc->ce_mask & TCA_ATTR_OPTS))
00062 return 0;
00063
00064 err = tca_parse(tb, TCA_RED_MAX, (struct rtnl_tca *) qdisc, red_policy);
00065 if (err < 0)
00066 return err;
00067
00068 if (!tb[TCA_RED_PARMS])
00069 return -NLE_MISSING_ATTR;
00070
00071 red = red_alloc(qdisc);
00072 if (!red)
00073 return -NLE_NOMEM;
00074
00075 opts = nla_data(tb[TCA_RED_PARMS]);
00076
00077 red->qr_limit = opts->limit;
00078 red->qr_qth_min = opts->qth_min;
00079 red->qr_qth_max = opts->qth_max;
00080 red->qr_flags = opts->flags;
00081 red->qr_wlog = opts->Wlog;
00082 red->qr_plog = opts->Plog;
00083 red->qr_scell_log = opts->Scell_log;
00084
00085 red->qr_mask = (RED_ATTR_LIMIT | RED_ATTR_QTH_MIN | RED_ATTR_QTH_MAX |
00086 RED_ATTR_FLAGS | RED_ATTR_WLOG | RED_ATTR_PLOG |
00087 RED_ATTR_SCELL_LOG);
00088
00089 return 0;
00090 }
00091
00092 static void red_dump_line(struct rtnl_qdisc *qdisc, struct nl_dump_params *p)
00093 {
00094 struct rtnl_red *red = red_qdisc(qdisc);
00095
00096 if (red) {
00097
00098 }
00099 }
00100
00101 static void red_dump_details(struct rtnl_qdisc *qdisc, struct nl_dump_params *p)
00102 {
00103 struct rtnl_red *red = red_qdisc(qdisc);
00104
00105 if (red) {
00106
00107 }
00108 }
00109
00110 static void red_dump_stats(struct rtnl_qdisc *qdisc, struct nl_dump_params *p)
00111 {
00112 struct rtnl_red *red = red_qdisc(qdisc);
00113
00114 if (red) {
00115
00116 }
00117 }
00118
00119 static struct nl_msg *red_get_opts(struct rtnl_qdisc *qdisc)
00120 {
00121 struct rtnl_red *red;
00122 struct nl_msg *msg;
00123
00124 red = red_qdisc(qdisc);
00125 if (!red)
00126 return NULL;
00127
00128 msg = nlmsg_alloc();
00129 if (!msg)
00130 goto errout;
00131
00132 #if 0
00133 memset(&opts, 0, sizeof(opts));
00134 opts.quantum = sfq->qs_quantum;
00135 opts.perturb_period = sfq->qs_perturb;
00136 opts.limit = sfq->qs_limit;
00137
00138 if (nlmsg_append(msg, &opts, sizeof(opts), NL_DONTPAD) < 0)
00139 goto errout;
00140 #endif
00141
00142 return msg;
00143 errout:
00144 nlmsg_free(msg);
00145 return NULL;
00146 }
00147
00148
00149
00150
00151
00152
00153
00154
00155
00156
00157
00158
00159 int rtnl_red_set_limit(struct rtnl_qdisc *qdisc, int limit)
00160 {
00161 struct rtnl_red *red;
00162
00163 red = red_alloc(qdisc);
00164 if (!red)
00165 return -NLE_NOMEM;
00166
00167 red->qr_limit = limit;
00168 red->qr_mask |= RED_ATTR_LIMIT;
00169
00170 return 0;
00171 }
00172
00173
00174
00175
00176
00177
00178 int rtnl_red_get_limit(struct rtnl_qdisc *qdisc)
00179 {
00180 struct rtnl_red *red;
00181
00182 red = red_qdisc(qdisc);
00183 if (red && (red->qr_mask & RED_ATTR_LIMIT))
00184 return red->qr_limit;
00185 else
00186 return -NLE_NOATTR;
00187 }
00188
00189
00190
00191 static struct rtnl_qdisc_ops red_ops = {
00192 .qo_kind = "red",
00193 .qo_msg_parser = red_msg_parser,
00194 .qo_dump = {
00195 [NL_DUMP_LINE] = red_dump_line,
00196 [NL_DUMP_DETAILS] = red_dump_details,
00197 [NL_DUMP_STATS] = red_dump_stats,
00198 },
00199 .qo_get_opts = red_get_opts,
00200 };
00201
00202 static void __init red_init(void)
00203 {
00204 rtnl_qdisc_register(&red_ops);
00205 }
00206
00207 static void __exit red_exit(void)
00208 {
00209 rtnl_qdisc_unregister(&red_ops);
00210 }
00211
00212