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net: sched: sch: add extack for change qdisc ops

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This patch adds extack support for change callback for qdisc ops
structtur to prepare per-qdisc specific changes for extack.

Cc: David Ahern <dsahern@gmail.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Alexander Aring <aring@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexander Aring 2017-12-20 12:35:14 -05:00 committed by David S. Miller
parent e63d7dfd2d
commit 2030721cc0
19 changed files with 52 additions and 40 deletions
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3
include/net/sch_generic.h
View file

@ -194,7 +194,8 @@ struct Qdisc_ops {
void (*reset)(struct Qdisc *);
void (*destroy)(struct Qdisc *);
int (*change)(struct Qdisc *sch,
struct nlattr *arg);
struct nlattr *arg,
struct netlink_ext_ack *extack);
void (*attach)(struct Qdisc *sch);
int (*dump)(struct Qdisc *, struct sk_buff *);

2
net/sched/sch_api.c
View file

@ -1177,7 +1177,7 @@ static int qdisc_change(struct Qdisc *sch, struct nlattr **tca,
NL_SET_ERR_MSG(extack, "Change operation not supported by specified qdisc");
return -EINVAL;
}
err = sch->ops->change(sch, tca[TCA_OPTIONS]);
err = sch->ops->change(sch, tca[TCA_OPTIONS], extack);
if (err)
return err;
}

5
net/sched/sch_cbs.c
View file

@ -246,7 +246,8 @@ static int cbs_enable_offload(struct net_device *dev, struct cbs_sched_data *q,
return 0;
}
static int cbs_change(struct Qdisc *sch, struct nlattr *opt)
static int cbs_change(struct Qdisc *sch, struct nlattr *opt,
struct netlink_ext_ack *extack)
{
struct cbs_sched_data *q = qdisc_priv(sch);
struct net_device *dev = qdisc_dev(sch);
@ -307,7 +308,7 @@ static int cbs_init(struct Qdisc *sch, struct nlattr *opt,
qdisc_watchdog_init(&q->watchdog, sch);
return cbs_change(sch, opt);
return cbs_change(sch, opt, extack);
}
static void cbs_destroy(struct Qdisc *sch)

5
net/sched/sch_choke.c
View file

@ -344,7 +344,8 @@ static void choke_free(void *addr)
kvfree(addr);
}
static int choke_change(struct Qdisc *sch, struct nlattr *opt)
static int choke_change(struct Qdisc *sch, struct nlattr *opt,
struct netlink_ext_ack *extack)
{
struct choke_sched_data *q = qdisc_priv(sch);
struct nlattr *tb[TCA_CHOKE_MAX + 1];
@ -434,7 +435,7 @@ static int choke_change(struct Qdisc *sch, struct nlattr *opt)
static int choke_init(struct Qdisc *sch, struct nlattr *opt,
struct netlink_ext_ack *extack)
{
return choke_change(sch, opt);
return choke_change(sch, opt, extack);
}
static int choke_dump(struct Qdisc *sch, struct sk_buff *skb)

5
net/sched/sch_codel.c
View file

@ -130,7 +130,8 @@ static const struct nla_policy codel_policy[TCA_CODEL_MAX + 1] = {
[TCA_CODEL_CE_THRESHOLD]= { .type = NLA_U32 },
};
static int codel_change(struct Qdisc *sch, struct nlattr *opt)
static int codel_change(struct Qdisc *sch, struct nlattr *opt,
struct netlink_ext_ack *extack)
{
struct codel_sched_data *q = qdisc_priv(sch);
struct nlattr *tb[TCA_CODEL_MAX + 1];
@ -197,7 +198,7 @@ static int codel_init(struct Qdisc *sch, struct nlattr *opt,
q->params.mtu = psched_mtu(qdisc_dev(sch));
if (opt) {
int err = codel_change(sch, opt);
int err = codel_change(sch, opt, extack);
if (err)
return err;

13
net/sched/sch_fifo.c
View file

@ -89,11 +89,6 @@ static int fifo_init(struct Qdisc *sch, struct nlattr *opt,
return 0;
}
static int fifo_change(struct Qdisc *sch, struct nlattr *opt)
{
return fifo_init(sch, opt, NULL);
}
static int fifo_dump(struct Qdisc *sch, struct sk_buff *skb)
{
struct tc_fifo_qopt opt = { .limit = sch->limit };
@ -114,7 +109,7 @@ struct Qdisc_ops pfifo_qdisc_ops __read_mostly = {
.peek = qdisc_peek_head,
.init = fifo_init,
.reset = qdisc_reset_queue,
.change = fifo_change,
.change = fifo_init,
.dump = fifo_dump,
.owner = THIS_MODULE,
};
@ -128,7 +123,7 @@ struct Qdisc_ops bfifo_qdisc_ops __read_mostly = {
.peek = qdisc_peek_head,
.init = fifo_init,
.reset = qdisc_reset_queue,
.change = fifo_change,
.change = fifo_init,
.dump = fifo_dump,
.owner = THIS_MODULE,
};
@ -142,7 +137,7 @@ struct Qdisc_ops pfifo_head_drop_qdisc_ops __read_mostly = {
.peek = qdisc_peek_head,
.init = fifo_init,
.reset = qdisc_reset_queue,
.change = fifo_change,
.change = fifo_init,
.dump = fifo_dump,
.owner = THIS_MODULE,
};
@ -163,7 +158,7 @@ int fifo_set_limit(struct Qdisc *q, unsigned int limit)
nla->nla_len = nla_attr_size(sizeof(struct tc_fifo_qopt));
((struct tc_fifo_qopt *)nla_data(nla))->limit = limit;
ret = q->ops->change(q, nla);
ret = q->ops->change(q, nla, NULL);
kfree(nla);
}
return ret;

5
net/sched/sch_fq.c
View file

@ -685,7 +685,8 @@ static const struct nla_policy fq_policy[TCA_FQ_MAX + 1] = {
[TCA_FQ_LOW_RATE_THRESHOLD] = { .type = NLA_U32 },
};
static int fq_change(struct Qdisc *sch, struct nlattr *opt)
static int fq_change(struct Qdisc *sch, struct nlattr *opt,
struct netlink_ext_ack *extack)
{
struct fq_sched_data *q = qdisc_priv(sch);
struct nlattr *tb[TCA_FQ_MAX + 1];
@ -812,7 +813,7 @@ static int fq_init(struct Qdisc *sch, struct nlattr *opt,
qdisc_watchdog_init(&q->watchdog, sch);
if (opt)
err = fq_change(sch, opt);
err = fq_change(sch, opt, extack);
else
err = fq_resize(sch, q->fq_trees_log);

5
net/sched/sch_fq_codel.c
View file

@ -377,7 +377,8 @@ static const struct nla_policy fq_codel_policy[TCA_FQ_CODEL_MAX + 1] = {
[TCA_FQ_CODEL_MEMORY_LIMIT] = { .type = NLA_U32 },
};
static int fq_codel_change(struct Qdisc *sch, struct nlattr *opt)
static int fq_codel_change(struct Qdisc *sch, struct nlattr *opt,
struct netlink_ext_ack *extack)
{
struct fq_codel_sched_data *q = qdisc_priv(sch);
struct nlattr *tb[TCA_FQ_CODEL_MAX + 1];
@ -478,7 +479,7 @@ static int fq_codel_init(struct Qdisc *sch, struct nlattr *opt,
q->cparams.mtu = psched_mtu(qdisc_dev(sch));
if (opt) {
int err = fq_codel_change(sch, opt);
int err = fq_codel_change(sch, opt, NULL);
if (err)
return err;
}

3
net/sched/sch_gred.c
View file

@ -392,7 +392,8 @@ static const struct nla_policy gred_policy[TCA_GRED_MAX + 1] = {
[TCA_GRED_LIMIT] = { .type = NLA_U32 },
};
static int gred_change(struct Qdisc *sch, struct nlattr *opt)
static int gred_change(struct Qdisc *sch, struct nlattr *opt,
struct netlink_ext_ack *extack)
{
struct gred_sched *table = qdisc_priv(sch);
struct tc_gred_qopt *ctl;

3
net/sched/sch_hfsc.c
View file

@ -1430,7 +1430,8 @@ hfsc_init_qdisc(struct Qdisc *sch, struct nlattr *opt,
}
static int
hfsc_change_qdisc(struct Qdisc *sch, struct nlattr *opt)
hfsc_change_qdisc(struct Qdisc *sch, struct nlattr *opt,
struct netlink_ext_ack *extack)
{
struct hfsc_sched *q = qdisc_priv(sch);
struct tc_hfsc_qopt *qopt;

5
net/sched/sch_hhf.c
View file

@ -504,7 +504,8 @@ static const struct nla_policy hhf_policy[TCA_HHF_MAX + 1] = {
[TCA_HHF_NON_HH_WEIGHT] = { .type = NLA_U32 },
};
static int hhf_change(struct Qdisc *sch, struct nlattr *opt)
static int hhf_change(struct Qdisc *sch, struct nlattr *opt,
struct netlink_ext_ack *extack)
{
struct hhf_sched_data *q = qdisc_priv(sch);
struct nlattr *tb[TCA_HHF_MAX + 1];
@ -590,7 +591,7 @@ static int hhf_init(struct Qdisc *sch, struct nlattr *opt,
q->hhf_non_hh_weight = 2;
if (opt) {
int err = hhf_change(sch, opt);
int err = hhf_change(sch, opt, extack);
if (err)
return err;

5
net/sched/sch_multiq.c
View file

@ -180,7 +180,8 @@ multiq_destroy(struct Qdisc *sch)
kfree(q->queues);
}
static int multiq_tune(struct Qdisc *sch, struct nlattr *opt)
static int multiq_tune(struct Qdisc *sch, struct nlattr *opt,
struct netlink_ext_ack *extack)
{
struct multiq_sched_data *q = qdisc_priv(sch);
struct tc_multiq_qopt *qopt;
@ -259,7 +260,7 @@ static int multiq_init(struct Qdisc *sch, struct nlattr *opt,
for (i = 0; i < q->max_bands; i++)
q->queues[i] = &noop_qdisc;
return multiq_tune(sch, opt);
return multiq_tune(sch, opt, extack);
}
static int multiq_dump(struct Qdisc *sch, struct sk_buff *skb)

5
net/sched/sch_netem.c
View file

@ -893,7 +893,8 @@ static int parse_attr(struct nlattr *tb[], int maxtype, struct nlattr *nla,
}
/* Parse netlink message to set options */
static int netem_change(struct Qdisc *sch, struct nlattr *opt)
static int netem_change(struct Qdisc *sch, struct nlattr *opt,
struct netlink_ext_ack *extack)
{
struct netem_sched_data *q = qdisc_priv(sch);
struct nlattr *tb[TCA_NETEM_MAX + 1];
@ -996,7 +997,7 @@ static int netem_init(struct Qdisc *sch, struct nlattr *opt,
return -EINVAL;
q->loss_model = CLG_RANDOM;
ret = netem_change(sch, opt);
ret = netem_change(sch, opt, extack);
if (ret)
pr_info("netem: change failed\n");
return ret;

5
net/sched/sch_pie.c
View file

@ -181,7 +181,8 @@ static const struct nla_policy pie_policy[TCA_PIE_MAX + 1] = {
[TCA_PIE_BYTEMODE] = {.type = NLA_U32},
};
static int pie_change(struct Qdisc *sch, struct nlattr *opt)
static int pie_change(struct Qdisc *sch, struct nlattr *opt,
struct netlink_ext_ack *extack)
{
struct pie_sched_data *q = qdisc_priv(sch);
struct nlattr *tb[TCA_PIE_MAX + 1];
@ -452,7 +453,7 @@ static int pie_init(struct Qdisc *sch, struct nlattr *opt,
timer_setup(&q->adapt_timer, pie_timer, 0);
if (opt) {
int err = pie_change(sch, opt);
int err = pie_change(sch, opt, extack);
if (err)
return err;

3
net/sched/sch_plug.c
View file

@ -159,7 +159,8 @@ static int plug_init(struct Qdisc *sch, struct nlattr *opt,
* command is received (just act as a pass-thru queue).
* TCQ_PLUG_LIMIT: Increase/decrease queue size
*/
static int plug_change(struct Qdisc *sch, struct nlattr *opt)
static int plug_change(struct Qdisc *sch, struct nlattr *opt,
struct netlink_ext_ack *extack)
{
struct plug_sched_data *q = qdisc_priv(sch);
struct tc_plug_qopt *msg;

5
net/sched/sch_prio.c
View file

@ -153,7 +153,8 @@ prio_destroy(struct Qdisc *sch)
qdisc_destroy(q->queues[prio]);
}
static int prio_tune(struct Qdisc *sch, struct nlattr *opt)
static int prio_tune(struct Qdisc *sch, struct nlattr *opt,
struct netlink_ext_ack *extack)
{
struct prio_sched_data *q = qdisc_priv(sch);
struct Qdisc *queues[TCQ_PRIO_BANDS];
@ -218,7 +219,7 @@ static int prio_init(struct Qdisc *sch, struct nlattr *opt,
if (err)
return err;
return prio_tune(sch, opt);
return prio_tune(sch, opt, extack);
}
static int prio_dump(struct Qdisc *sch, struct sk_buff *skb)

5
net/sched/sch_red.c
View file

@ -197,7 +197,8 @@ static const struct nla_policy red_policy[TCA_RED_MAX + 1] = {
[TCA_RED_MAX_P] = { .type = NLA_U32 },
};
static int red_change(struct Qdisc *sch, struct nlattr *opt)
static int red_change(struct Qdisc *sch, struct nlattr *opt,
struct netlink_ext_ack *extack)
{
struct red_sched_data *q = qdisc_priv(sch);
struct nlattr *tb[TCA_RED_MAX + 1];
@ -280,7 +281,7 @@ static int red_init(struct Qdisc *sch, struct nlattr *opt,
q->qdisc = &noop_qdisc;
q->sch = sch;
timer_setup(&q->adapt_timer, red_adaptative_timer, 0);
return red_change(sch, opt);
return red_change(sch, opt, extack);
}
static int red_dump_offload_stats(struct Qdisc *sch, struct tc_red_qopt *opt)

5
net/sched/sch_sfb.c
View file

@ -488,7 +488,8 @@ static const struct tc_sfb_qopt sfb_default_ops = {
.penalty_burst = 20,
};
static int sfb_change(struct Qdisc *sch, struct nlattr *opt)
static int sfb_change(struct Qdisc *sch, struct nlattr *opt,
struct netlink_ext_ack *extack)
{
struct sfb_sched_data *q = qdisc_priv(sch);
struct Qdisc *child;
@ -560,7 +561,7 @@ static int sfb_init(struct Qdisc *sch, struct nlattr *opt,
return err;
q->qdisc = &noop_qdisc;
return sfb_change(sch, opt);
return sfb_change(sch, opt, extack);
}
static int sfb_dump(struct Qdisc *sch, struct sk_buff *skb)

5
net/sched/sch_tbf.c
View file

@ -302,7 +302,8 @@ static const struct nla_policy tbf_policy[TCA_TBF_MAX + 1] = {
[TCA_TBF_PBURST] = { .type = NLA_U32 },
};
static int tbf_change(struct Qdisc *sch, struct nlattr *opt)
static int tbf_change(struct Qdisc *sch, struct nlattr *opt,
struct netlink_ext_ack *extack)
{
int err;
struct tbf_sched_data *q = qdisc_priv(sch);
@ -434,7 +435,7 @@ static int tbf_init(struct Qdisc *sch, struct nlattr *opt,
q->t_c = ktime_get_ns();
return tbf_change(sch, opt);
return tbf_change(sch, opt, extack);
}
static void tbf_destroy(struct Qdisc *sch)