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Diffstat (limited to 'net/sched/sch_gred.c')
-rw-r--r--net/sched/sch_gred.c59
1 files changed, 32 insertions, 27 deletions
diff --git a/net/sched/sch_gred.c b/net/sched/sch_gred.c
index e2bcd6682c70..6b784838a534 100644
--- a/net/sched/sch_gred.c
+++ b/net/sched/sch_gred.c
@@ -350,16 +350,16 @@ static inline void gred_destroy_vq(struct gred_sched_data *q)
350 kfree(q); 350 kfree(q);
351} 351}
352 352
353static inline int gred_change_table_def(struct Qdisc *sch, struct rtattr *dps) 353static inline int gred_change_table_def(struct Qdisc *sch, struct nlattr *dps)
354{ 354{
355 struct gred_sched *table = qdisc_priv(sch); 355 struct gred_sched *table = qdisc_priv(sch);
356 struct tc_gred_sopt *sopt; 356 struct tc_gred_sopt *sopt;
357 int i; 357 int i;
358 358
359 if (dps == NULL || RTA_PAYLOAD(dps) < sizeof(*sopt)) 359 if (dps == NULL || nla_len(dps) < sizeof(*sopt))
360 return -EINVAL; 360 return -EINVAL;
361 361
362 sopt = RTA_DATA(dps); 362 sopt = nla_data(dps);
363 363
364 if (sopt->DPs > MAX_DPs || sopt->DPs == 0 || sopt->def_DP >= sopt->DPs) 364 if (sopt->DPs > MAX_DPs || sopt->DPs == 0 || sopt->def_DP >= sopt->DPs)
365 return -EINVAL; 365 return -EINVAL;
@@ -425,28 +425,28 @@ static inline int gred_change_vq(struct Qdisc *sch, int dp,
425 return 0; 425 return 0;
426} 426}
427 427
428static int gred_change(struct Qdisc *sch, struct rtattr *opt) 428static int gred_change(struct Qdisc *sch, struct nlattr *opt)
429{ 429{
430 struct gred_sched *table = qdisc_priv(sch); 430 struct gred_sched *table = qdisc_priv(sch);
431 struct tc_gred_qopt *ctl; 431 struct tc_gred_qopt *ctl;
432 struct rtattr *tb[TCA_GRED_MAX]; 432 struct nlattr *tb[TCA_GRED_MAX + 1];
433 int err = -EINVAL, prio = GRED_DEF_PRIO; 433 int err = -EINVAL, prio = GRED_DEF_PRIO;
434 u8 *stab; 434 u8 *stab;
435 435
436 if (opt == NULL || rtattr_parse_nested(tb, TCA_GRED_MAX, opt)) 436 if (opt == NULL || nla_parse_nested(tb, TCA_GRED_MAX, opt, NULL))
437 return -EINVAL; 437 return -EINVAL;
438 438
439 if (tb[TCA_GRED_PARMS-1] == NULL && tb[TCA_GRED_STAB-1] == NULL) 439 if (tb[TCA_GRED_PARMS] == NULL && tb[TCA_GRED_STAB] == NULL)
440 return gred_change_table_def(sch, opt); 440 return gred_change_table_def(sch, opt);
441 441
442 if (tb[TCA_GRED_PARMS-1] == NULL || 442 if (tb[TCA_GRED_PARMS] == NULL ||
443 RTA_PAYLOAD(tb[TCA_GRED_PARMS-1]) < sizeof(*ctl) || 443 nla_len(tb[TCA_GRED_PARMS]) < sizeof(*ctl) ||
444 tb[TCA_GRED_STAB-1] == NULL || 444 tb[TCA_GRED_STAB] == NULL ||
445 RTA_PAYLOAD(tb[TCA_GRED_STAB-1]) < 256) 445 nla_len(tb[TCA_GRED_STAB]) < 256)
446 return -EINVAL; 446 return -EINVAL;
447 447
448 ctl = RTA_DATA(tb[TCA_GRED_PARMS-1]); 448 ctl = nla_data(tb[TCA_GRED_PARMS]);
449 stab = RTA_DATA(tb[TCA_GRED_STAB-1]); 449 stab = nla_data(tb[TCA_GRED_STAB]);
450 450
451 if (ctl->DP >= table->DPs) 451 if (ctl->DP >= table->DPs)
452 goto errout; 452 goto errout;
@@ -486,23 +486,23 @@ errout:
486 return err; 486 return err;
487} 487}
488 488
489static int gred_init(struct Qdisc *sch, struct rtattr *opt) 489static int gred_init(struct Qdisc *sch, struct nlattr *opt)
490{ 490{
491 struct rtattr *tb[TCA_GRED_MAX]; 491 struct nlattr *tb[TCA_GRED_MAX + 1];
492 492
493 if (opt == NULL || rtattr_parse_nested(tb, TCA_GRED_MAX, opt)) 493 if (opt == NULL || nla_parse_nested(tb, TCA_GRED_MAX, opt, NULL))
494 return -EINVAL; 494 return -EINVAL;
495 495
496 if (tb[TCA_GRED_PARMS-1] || tb[TCA_GRED_STAB-1]) 496 if (tb[TCA_GRED_PARMS] || tb[TCA_GRED_STAB])
497 return -EINVAL; 497 return -EINVAL;
498 498
499 return gred_change_table_def(sch, tb[TCA_GRED_DPS-1]); 499 return gred_change_table_def(sch, tb[TCA_GRED_DPS]);
500} 500}
501 501
502static int gred_dump(struct Qdisc *sch, struct sk_buff *skb) 502static int gred_dump(struct Qdisc *sch, struct sk_buff *skb)
503{ 503{
504 struct gred_sched *table = qdisc_priv(sch); 504 struct gred_sched *table = qdisc_priv(sch);
505 struct rtattr *parms, *opts = NULL; 505 struct nlattr *parms, *opts = NULL;
506 int i; 506 int i;
507 struct tc_gred_sopt sopt = { 507 struct tc_gred_sopt sopt = {
508 .DPs = table->DPs, 508 .DPs = table->DPs,
@@ -511,9 +511,13 @@ static int gred_dump(struct Qdisc *sch, struct sk_buff *skb)
511 .flags = table->red_flags, 511 .flags = table->red_flags,
512 }; 512 };
513 513
514 opts = RTA_NEST(skb, TCA_OPTIONS); 514 opts = nla_nest_start(skb, TCA_OPTIONS);
515 RTA_PUT(skb, TCA_GRED_DPS, sizeof(sopt), &sopt); 515 if (opts == NULL)
516 parms = RTA_NEST(skb, TCA_GRED_PARMS); 516 goto nla_put_failure;
517 NLA_PUT(skb, TCA_GRED_DPS, sizeof(sopt), &sopt);
518 parms = nla_nest_start(skb, TCA_GRED_PARMS);
519 if (parms == NULL)
520 goto nla_put_failure;
517 521
518 for (i = 0; i < MAX_DPs; i++) { 522 for (i = 0; i < MAX_DPs; i++) {
519 struct gred_sched_data *q = table->tab[i]; 523 struct gred_sched_data *q = table->tab[i];
@@ -555,15 +559,16 @@ static int gred_dump(struct Qdisc *sch, struct sk_buff *skb)
555 opt.qave = red_calc_qavg(&q->parms, q->parms.qavg); 559 opt.qave = red_calc_qavg(&q->parms, q->parms.qavg);
556 560
557append_opt: 561append_opt:
558 RTA_APPEND(skb, sizeof(opt), &opt); 562 if (nla_append(skb, sizeof(opt), &opt) < 0)
563 goto nla_put_failure;
559 } 564 }
560 565
561 RTA_NEST_END(skb, parms); 566 nla_nest_end(skb, parms);
562 567
563 return RTA_NEST_END(skb, opts); 568 return nla_nest_end(skb, opts);
564 569
565rtattr_failure: 570nla_put_failure:
566 return RTA_NEST_CANCEL(skb, opts); 571 return nla_nest_cancel(skb, opts);
567} 572}
568 573
569static void gred_destroy(struct Qdisc *sch) 574static void gred_destroy(struct Qdisc *sch)