X-Git-Url: http://git.onelab.eu/?p=libnl.git;a=blobdiff_plain;f=lib%2Froute%2Fsch%2Fred.c;fp=lib%2Froute%2Fsch%2Fred.c;h=0000000000000000000000000000000000000000;hp=80a44af9ba25e4e2d58c7ebbf2464f911594a712;hb=332c8b7561dcac7ac95cc0d07328b1cb22d780a6;hpb=eabdd897b75ecc1fac5e255229a899126085e57a diff --git a/lib/route/sch/red.c b/lib/route/sch/red.c deleted file mode 100644 index 80a44af..0000000 --- a/lib/route/sch/red.c +++ /dev/null @@ -1,219 +0,0 @@ -/* - * lib/route/sch/red.c RED Qdisc - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation version 2.1 - * of the License. - * - * Copyright (c) 2003-2006 Thomas Graf - */ - -/** - * @ingroup qdisc - * @defgroup red Random Early Detection (RED) - * @brief - * @{ - */ - -#include -#include -#include -#include -#include -#include -#include - -/** @cond SKIP */ -#define RED_ATTR_LIMIT 0x01 -#define RED_ATTR_QTH_MIN 0x02 -#define RED_ATTR_QTH_MAX 0x04 -#define RED_ATTR_FLAGS 0x08 -#define RED_ATTR_WLOG 0x10 -#define RED_ATTR_PLOG 0x20 -#define RED_ATTR_SCELL_LOG 0x40 -/** @endcond */ - -static inline struct rtnl_red *red_qdisc(struct rtnl_qdisc *qdisc) -{ - return (struct rtnl_red *) qdisc->q_subdata; -} - -static inline struct rtnl_red *red_alloc(struct rtnl_qdisc *qdisc) -{ - if (!qdisc->q_subdata) - qdisc->q_subdata = calloc(1, sizeof(struct rtnl_red)); - - return red_qdisc(qdisc); -} - -static struct nla_policy red_policy[TCA_RED_MAX+1] = { - [TCA_RED_PARMS] = { .minlen = sizeof(struct tc_red_qopt) }, -}; - -static int red_msg_parser(struct rtnl_qdisc *qdisc) -{ - struct nlattr *tb[TCA_RED_MAX+1]; - struct rtnl_red *red; - struct tc_red_qopt *opts; - int err; - - if (!(qdisc->q_mask & TCA_ATTR_OPTS)) - return 0; - - err = tca_parse(tb, TCA_RED_MAX, (struct rtnl_tca *) qdisc, red_policy); - if (err < 0) - return err; - - if (!tb[TCA_RED_PARMS]) - return nl_error(EINVAL, "Missing TCA_RED_PARMS"); - - red = red_alloc(qdisc); - if (!red) - return nl_errno(ENOMEM); - - opts = nla_data(tb[TCA_RED_PARMS]); - - red->qr_limit = opts->limit; - red->qr_qth_min = opts->qth_min; - red->qr_qth_max = opts->qth_max; - red->qr_flags = opts->flags; - red->qr_wlog = opts->Wlog; - red->qr_plog = opts->Plog; - red->qr_scell_log = opts->Scell_log; - - red->qr_mask = (RED_ATTR_LIMIT | RED_ATTR_QTH_MIN | RED_ATTR_QTH_MAX | - RED_ATTR_FLAGS | RED_ATTR_WLOG | RED_ATTR_PLOG | - RED_ATTR_SCELL_LOG); - - return 0; -} - -static int red_dump_brief(struct rtnl_qdisc *qdisc, struct nl_dump_params *p, - int line) -{ - struct rtnl_red *red = red_qdisc(qdisc); - - if (red) { - /* XXX: limit, min, max, flags */ - } - - return line; -} - -static int red_dump_full(struct rtnl_qdisc *qdisc, struct nl_dump_params *p, - int line) -{ - struct rtnl_red *red = red_qdisc(qdisc); - - if (red) { - /* XXX: wlog, plog, scell_log */ - } - - return line; -} - -static int red_dump_stats(struct rtnl_qdisc *qdisc, struct nl_dump_params *p, - int line) -{ - struct rtnl_red *red = red_qdisc(qdisc); - - if (red) { - /* XXX: xstats */ - } - - return line; -} - -static struct nl_msg *red_get_opts(struct rtnl_qdisc *qdisc) -{ - struct rtnl_red *red; - struct nl_msg *msg; - - red = red_qdisc(qdisc); - if (!red) - return NULL; - - msg = nlmsg_build_no_hdr(); - if (!msg) - goto errout; - -#if 0 - memset(&opts, 0, sizeof(opts)); - opts.quantum = sfq->qs_quantum; - opts.perturb_period = sfq->qs_perturb; - opts.limit = sfq->qs_limit; - - if (nlmsg_append(msg, &opts, sizeof(opts), 0) < 0) - goto errout; -#endif - - return msg; -errout: - nlmsg_free(msg); - return NULL; -} - -/** - * @name Attribute Access - * @{ - */ - -/** - * Set limit of RED qdisc. - * @arg qdisc RED qdisc to be modified. - * @arg limit New limit in number of packets. - * @return 0 on success or a negative error code. - */ -int rtnl_red_set_limit(struct rtnl_qdisc *qdisc, int limit) -{ - struct rtnl_red *red; - - red = red_alloc(qdisc); - if (!red) - return nl_errno(ENOMEM); - - red->qr_limit = limit; - red->qr_mask |= RED_ATTR_LIMIT; - - return 0; -} - -/** - * Get limit of RED qdisc. - * @arg qdisc RED qdisc. - * @return Limit or a negative error code. - */ -int rtnl_red_get_limit(struct rtnl_qdisc *qdisc) -{ - struct rtnl_red *red; - - red = red_qdisc(qdisc); - if (red && (red->qr_mask & RED_ATTR_LIMIT)) - return red->qr_limit; - else - return nl_errno(ENOENT); -} - -/** @} */ - -static struct rtnl_qdisc_ops red_ops = { - .qo_kind = "red", - .qo_msg_parser = red_msg_parser, - .qo_dump[NL_DUMP_BRIEF] = red_dump_brief, - .qo_dump[NL_DUMP_FULL] = red_dump_full, - .qo_dump[NL_DUMP_STATS] = red_dump_stats, - .qo_get_opts = red_get_opts, -}; - -static void __init red_init(void) -{ - rtnl_qdisc_register(&red_ops); -} - -static void __exit red_exit(void) -{ - rtnl_qdisc_unregister(&red_ops); -} - -/** @} */