diff options
Diffstat (limited to 'net/sched/sch_api.c')
| -rw-r--r-- | net/sched/sch_api.c | 42 |
1 files changed, 26 insertions, 16 deletions
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index fb8f138b9776..04faee7ccbce 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -1,11 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * net/sched/sch_api.c Packet scheduler API. * - * 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: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> * * Fixes: @@ -479,7 +475,8 @@ static struct qdisc_size_table *qdisc_get_stab(struct nlattr *opt, u16 *tab = NULL; int err; - err = nla_parse_nested(tb, TCA_STAB_MAX, opt, stab_policy, extack); + err = nla_parse_nested_deprecated(tb, TCA_STAB_MAX, opt, stab_policy, + extack); if (err < 0) return ERR_PTR(err); if (!tb[TCA_STAB_BASE]) { @@ -542,7 +539,7 @@ static int qdisc_dump_stab(struct sk_buff *skb, struct qdisc_size_table *stab) { struct nlattr *nest; - nest = nla_nest_start(skb, TCA_STAB); + nest = nla_nest_start_noflag(skb, TCA_STAB); if (nest == NULL) goto nla_put_failure; if (nla_put(skb, TCA_STAB_BASE, sizeof(stab->szopts), &stab->szopts)) @@ -998,6 +995,19 @@ static void notify_and_destroy(struct net *net, struct sk_buff *skb, qdisc_put(old); } +static void qdisc_clear_nolock(struct Qdisc *sch) +{ + sch->flags &= ~TCQ_F_NOLOCK; + if (!(sch->flags & TCQ_F_CPUSTATS)) + return; + + free_percpu(sch->cpu_bstats); + free_percpu(sch->cpu_qstats); + sch->cpu_bstats = NULL; + sch->cpu_qstats = NULL; + sch->flags &= ~TCQ_F_CPUSTATS; +} + /* Graft qdisc "new" to class "classid" of qdisc "parent" or * to device "dev". * @@ -1076,7 +1086,7 @@ skip: /* Only support running class lockless if parent is lockless */ if (new && (new->flags & TCQ_F_NOLOCK) && parent && !(parent->flags & TCQ_F_NOLOCK)) - new->flags &= ~TCQ_F_NOLOCK; + qdisc_clear_nolock(new); if (!cops || !cops->graft) return -EOPNOTSUPP; @@ -1410,8 +1420,8 @@ static int tc_get_qdisc(struct sk_buff *skb, struct nlmsghdr *n, !netlink_ns_capable(skb, net->user_ns, CAP_NET_ADMIN)) return -EPERM; - err = nlmsg_parse(n, sizeof(*tcm), tca, TCA_MAX, rtm_tca_policy, - extack); + err = nlmsg_parse_deprecated(n, sizeof(*tcm), tca, TCA_MAX, + rtm_tca_policy, extack); if (err < 0) return err; @@ -1495,8 +1505,8 @@ static int tc_modify_qdisc(struct sk_buff *skb, struct nlmsghdr *n, replay: /* Reinit, just in case something touches this. */ - err = nlmsg_parse(n, sizeof(*tcm), tca, TCA_MAX, rtm_tca_policy, - extack); + err = nlmsg_parse_deprecated(n, sizeof(*tcm), tca, TCA_MAX, + rtm_tca_policy, extack); if (err < 0) return err; @@ -1730,8 +1740,8 @@ static int tc_dump_qdisc(struct sk_buff *skb, struct netlink_callback *cb) idx = 0; ASSERT_RTNL(); - err = nlmsg_parse(nlh, sizeof(struct tcmsg), tca, TCA_MAX, - rtm_tca_policy, cb->extack); + err = nlmsg_parse_deprecated(nlh, sizeof(struct tcmsg), tca, TCA_MAX, + rtm_tca_policy, cb->extack); if (err < 0) return err; @@ -1959,8 +1969,8 @@ static int tc_ctl_tclass(struct sk_buff *skb, struct nlmsghdr *n, !netlink_ns_capable(skb, net->user_ns, CAP_NET_ADMIN)) return -EPERM; - err = nlmsg_parse(n, sizeof(*tcm), tca, TCA_MAX, rtm_tca_policy, - extack); + err = nlmsg_parse_deprecated(n, sizeof(*tcm), tca, TCA_MAX, + rtm_tca_policy, extack); if (err < 0) return err; |