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[NET_SCHED]: Remove CONFIG_NET_ESTIMATOR option

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The generic estimator is always built in anways and all the config options
does is prevent including a minimal amount of code for setting it up.
Additionally the option is already automatically selected for most cases.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2007-07-02 22:46:07 -07:00 • committed by David S. Miller
parent a553e4a631
commit 876d48aabf
7 changed files with 0 additions and 60 deletions
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12
net/sched/Kconfig
View file

@ -286,7 +286,6 @@ config CLS_U32_MARK
config NET_CLS_RSVP
tristate "IPv4 Resource Reservation Protocol (RSVP)"
select NET_CLS
select NET_ESTIMATOR
---help---
The Resource Reservation Protocol (RSVP) permits end systems to
request a minimum and maximum data flow rate for a connection; this
@ -301,7 +300,6 @@ config NET_CLS_RSVP
config NET_CLS_RSVP6
tristate "IPv6 Resource Reservation Protocol (RSVP6)"
select NET_CLS
select NET_ESTIMATOR
---help---
The Resource Reservation Protocol (RSVP) permits end systems to
request a minimum and maximum data flow rate for a connection; this
@ -393,7 +391,6 @@ config NET_EMATCH_TEXT
config NET_CLS_ACT
bool "Actions"
select NET_ESTIMATOR
---help---
Say Y here if you want to use traffic control actions. Actions
get attached to classifiers and are invoked after a successful
@ -476,7 +473,6 @@ config NET_ACT_SIMP
config NET_CLS_POLICE
bool "Traffic Policing (obsolete)"
depends on NET_CLS_ACT!=y
select NET_ESTIMATOR
---help---
Say Y here if you want to do traffic policing, i.e. strict
bandwidth limiting. This option is obsoleted by the traffic
@ -491,14 +487,6 @@ config NET_CLS_IND
classification based on the incoming device. This option is
likely to disappear in favour of the metadata ematch.
config NET_ESTIMATOR
bool "Rate estimator"
---help---
Say Y here to allow using rate estimators to estimate the current
rate-of-flow for network devices, queues, etc. This module is
automatically selected if needed but can be selected manually for
statistical purposes.
endif # NET_SCHED
endmenu

6
net/sched/act_api.c
View file

@ -42,10 +42,8 @@ void tcf_hash_destroy(struct tcf_common *p, struct tcf_hashinfo *hinfo)
write_lock_bh(hinfo->lock);
*p1p = p->tcfc_next;
write_unlock_bh(hinfo->lock);
#ifdef CONFIG_NET_ESTIMATOR
gen_kill_estimator(&p->tcfc_bstats,
&p->tcfc_rate_est);
#endif
kfree(p);
return;
}
@ -236,11 +234,9 @@ struct tcf_common *tcf_hash_create(u32 index, struct rtattr *est, struct tc_acti
p->tcfc_index = index ? index : tcf_hash_new_index(idx_gen, hinfo);
p->tcfc_tm.install = jiffies;
p->tcfc_tm.lastuse = jiffies;
#ifdef CONFIG_NET_ESTIMATOR
if (est)
gen_new_estimator(&p->tcfc_bstats, &p->tcfc_rate_est,
p->tcfc_stats_lock, est);
#endif
a->priv = (void *) p;
return p;
}
@ -614,9 +610,7 @@ int tcf_action_copy_stats(struct sk_buff *skb, struct tc_action *a,
goto errout;
if (gnet_stats_copy_basic(&d, &h->tcf_bstats) < 0 ||
#ifdef CONFIG_NET_ESTIMATOR
gnet_stats_copy_rate_est(&d, &h->tcf_rate_est) < 0 ||
#endif
gnet_stats_copy_queue(&d, &h->tcf_qstats) < 0)
goto errout;

18
net/sched/act_police.c
View file

@ -118,10 +118,8 @@ void tcf_police_destroy(struct tcf_police *p)
write_lock_bh(&police_lock);
*p1p = p->tcf_next;
write_unlock_bh(&police_lock);
#ifdef CONFIG_NET_ESTIMATOR
gen_kill_estimator(&p->tcf_bstats,
&p->tcf_rate_est);
#endif
if (p->tcfp_R_tab)
qdisc_put_rtab(p->tcfp_R_tab);
if (p->tcfp_P_tab)
@ -227,7 +225,6 @@ override:
police->tcfp_ptoks = L2T_P(police, police->tcfp_mtu);
police->tcf_action = parm->action;
#ifdef CONFIG_NET_ESTIMATOR
if (tb[TCA_POLICE_AVRATE-1])
police->tcfp_ewma_rate =
*(u32*)RTA_DATA(tb[TCA_POLICE_AVRATE-1]);
@ -235,7 +232,6 @@ override:
gen_replace_estimator(&police->tcf_bstats,
&police->tcf_rate_est,
police->tcf_stats_lock, est);
#endif
spin_unlock_bh(&police->tcf_lock);
if (ret != ACT_P_CREATED)
@ -281,14 +277,12 @@ static int tcf_act_police(struct sk_buff *skb, struct tc_action *a,
police->tcf_bstats.bytes += skb->len;
police->tcf_bstats.packets++;
#ifdef CONFIG_NET_ESTIMATOR
if (police->tcfp_ewma_rate &&
police->tcf_rate_est.bps >= police->tcfp_ewma_rate) {
police->tcf_qstats.overlimits++;
spin_unlock(&police->tcf_lock);
return police->tcf_action;
}
#endif
if (skb->len <= police->tcfp_mtu) {
if (police->tcfp_R_tab == NULL) {
@ -348,10 +342,8 @@ tcf_act_police_dump(struct sk_buff *skb, struct tc_action *a, int bind, int ref)
if (police->tcfp_result)
RTA_PUT(skb, TCA_POLICE_RESULT, sizeof(int),
&police->tcfp_result);
#ifdef CONFIG_NET_ESTIMATOR
if (police->tcfp_ewma_rate)
RTA_PUT(skb, TCA_POLICE_AVRATE, 4, &police->tcfp_ewma_rate);
#endif
return skb->len;
rtattr_failure:
@ -477,14 +469,12 @@ struct tcf_police *tcf_police_locate(struct rtattr *rta, struct rtattr *est)
goto failure;
police->tcfp_result = *(u32*)RTA_DATA(tb[TCA_POLICE_RESULT-1]);
}
#ifdef CONFIG_NET_ESTIMATOR
if (tb[TCA_POLICE_AVRATE-1]) {
if (RTA_PAYLOAD(tb[TCA_POLICE_AVRATE-1]) != sizeof(u32))
goto failure;
police->tcfp_ewma_rate =
*(u32*)RTA_DATA(tb[TCA_POLICE_AVRATE-1]);
}
#endif
police->tcfp_toks = police->tcfp_burst = parm->burst;
police->tcfp_mtu = parm->mtu;
if (police->tcfp_mtu == 0) {
@ -498,11 +488,9 @@ struct tcf_police *tcf_police_locate(struct rtattr *rta, struct rtattr *est)
police->tcf_index = parm->index ? parm->index :
tcf_police_new_index();
police->tcf_action = parm->action;
#ifdef CONFIG_NET_ESTIMATOR
if (est)
gen_new_estimator(&police->tcf_bstats, &police->tcf_rate_est,
police->tcf_stats_lock, est);
#endif
h = tcf_hash(police->tcf_index, POL_TAB_MASK);
write_lock_bh(&police_lock);
police->tcf_next = tcf_police_ht[h];
@ -528,14 +516,12 @@ int tcf_police(struct sk_buff *skb, struct tcf_police *police)
police->tcf_bstats.bytes += skb->len;
police->tcf_bstats.packets++;
#ifdef CONFIG_NET_ESTIMATOR
if (police->tcfp_ewma_rate &&
police->tcf_rate_est.bps >= police->tcfp_ewma_rate) {
police->tcf_qstats.overlimits++;
spin_unlock(&police->tcf_lock);
return police->tcf_action;
}
#endif
if (skb->len <= police->tcfp_mtu) {
if (police->tcfp_R_tab == NULL) {
spin_unlock(&police->tcf_lock);
@ -591,10 +577,8 @@ int tcf_police_dump(struct sk_buff *skb, struct tcf_police *police)
if (police->tcfp_result)
RTA_PUT(skb, TCA_POLICE_RESULT, sizeof(int),
&police->tcfp_result);
#ifdef CONFIG_NET_ESTIMATOR
if (police->tcfp_ewma_rate)
RTA_PUT(skb, TCA_POLICE_AVRATE, 4, &police->tcfp_ewma_rate);
#endif
return skb->len;
rtattr_failure:
@ -612,9 +596,7 @@ int tcf_police_dump_stats(struct sk_buff *skb, struct tcf_police *police)
goto errout;
if (gnet_stats_copy_basic(&d, &police->tcf_bstats) < 0 ||
#ifdef CONFIG_NET_ESTIMATOR
gnet_stats_copy_rate_est(&d, &police->tcf_rate_est) < 0 ||
#endif
gnet_stats_copy_queue(&d, &police->tcf_qstats) < 0)
goto errout;

6
net/sched/sch_api.c
View file

@ -515,7 +515,6 @@ qdisc_create(struct net_device *dev, u32 handle, struct rtattr **tca, int *errp)
sch->handle = handle;
if (!ops->init || (err = ops->init(sch, tca[TCA_OPTIONS-1])) == 0) {
#ifdef CONFIG_NET_ESTIMATOR
if (tca[TCA_RATE-1]) {
err = gen_new_estimator(&sch->bstats, &sch->rate_est,
sch->stats_lock,
@ -531,7 +530,6 @@ qdisc_create(struct net_device *dev, u32 handle, struct rtattr **tca, int *errp)
goto err_out3;
}
}
#endif
qdisc_lock_tree(dev);
list_add_tail(&sch->list, &dev->qdisc_list);
qdisc_unlock_tree(dev);
@ -559,11 +557,9 @@ static int qdisc_change(struct Qdisc *sch, struct rtattr **tca)
if (err)
return err;
}
#ifdef CONFIG_NET_ESTIMATOR
if (tca[TCA_RATE-1])
gen_replace_estimator(&sch->bstats, &sch->rate_est,
sch->stats_lock, tca[TCA_RATE-1]);
#endif
return 0;
}
@ -839,9 +835,7 @@ static int tc_fill_qdisc(struct sk_buff *skb, struct Qdisc *q, u32 clid,
goto rtattr_failure;
if (gnet_stats_copy_basic(&d, &q->bstats) < 0 ||
#ifdef CONFIG_NET_ESTIMATOR
gnet_stats_copy_rate_est(&d, &q->rate_est) < 0 ||
#endif
gnet_stats_copy_queue(&d, &q->qstats) < 0)
goto rtattr_failure;

8
net/sched/sch_cbq.c
View file

@ -1653,9 +1653,7 @@ cbq_dump_class_stats(struct Qdisc *sch, unsigned long arg,
cl->xstats.undertime = cl->undertime - q->now;
if (gnet_stats_copy_basic(d, &cl->bstats) < 0 ||
#ifdef CONFIG_NET_ESTIMATOR
gnet_stats_copy_rate_est(d, &cl->rate_est) < 0 ||
#endif
gnet_stats_copy_queue(d, &cl->qstats) < 0)
return -1;
@ -1726,9 +1724,7 @@ static void cbq_destroy_class(struct Qdisc *sch, struct cbq_class *cl)
tcf_destroy_chain(cl->filter_list);
qdisc_destroy(cl->q);
qdisc_put_rtab(cl->R_tab);
#ifdef CONFIG_NET_ESTIMATOR
gen_kill_estimator(&cl->bstats, &cl->rate_est);
#endif
if (cl != &q->link)
kfree(cl);
}
@ -1873,11 +1869,9 @@ cbq_change_class(struct Qdisc *sch, u32 classid, u32 parentid, struct rtattr **t
sch_tree_unlock(sch);
#ifdef CONFIG_NET_ESTIMATOR
if (tca[TCA_RATE-1])
gen_replace_estimator(&cl->bstats, &cl->rate_est,
cl->stats_lock, tca[TCA_RATE-1]);
#endif
return 0;
}
@ -1963,11 +1957,9 @@ cbq_change_class(struct Qdisc *sch, u32 classid, u32 parentid, struct rtattr **t
cbq_set_fopt(cl, RTA_DATA(tb[TCA_CBQ_FOPT-1]));
sch_tree_unlock(sch);
#ifdef CONFIG_NET_ESTIMATOR
if (tca[TCA_RATE-1])
gen_new_estimator(&cl->bstats, &cl->rate_est,
cl->stats_lock, tca[TCA_RATE-1]);
#endif
*arg = (unsigned long)cl;
return 0;

2
net/sched/sch_generic.c
View file

@ -514,9 +514,7 @@ void qdisc_destroy(struct Qdisc *qdisc)
return;
list_del(&qdisc->list);
#ifdef CONFIG_NET_ESTIMATOR
gen_kill_estimator(&qdisc->bstats, &qdisc->rate_est);
#endif
if (ops->reset)
ops->reset(qdisc);
if (ops->destroy)

8
net/sched/sch_hfsc.c
View file

@ -1054,11 +1054,9 @@ hfsc_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
}
sch_tree_unlock(sch);
#ifdef CONFIG_NET_ESTIMATOR
if (tca[TCA_RATE-1])
gen_replace_estimator(&cl->bstats, &cl->rate_est,
cl->stats_lock, tca[TCA_RATE-1]);
#endif
return 0;
}
@ -1112,11 +1110,9 @@ hfsc_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
cl->cl_pcvtoff = parent->cl_cvtoff;
sch_tree_unlock(sch);
#ifdef CONFIG_NET_ESTIMATOR
if (tca[TCA_RATE-1])
gen_new_estimator(&cl->bstats, &cl->rate_est,
cl->stats_lock, tca[TCA_RATE-1]);
#endif
*arg = (unsigned long)cl;
return 0;
}
@ -1128,9 +1124,7 @@ hfsc_destroy_class(struct Qdisc *sch, struct hfsc_class *cl)
tcf_destroy_chain(cl->filter_list);
qdisc_destroy(cl->qdisc);
#ifdef CONFIG_NET_ESTIMATOR
gen_kill_estimator(&cl->bstats, &cl->rate_est);
#endif
if (cl != &q->root)
kfree(cl);
}
@ -1384,9 +1378,7 @@ hfsc_dump_class_stats(struct Qdisc *sch, unsigned long arg,
xstats.rtwork = cl->cl_cumul;
if (gnet_stats_copy_basic(d, &cl->bstats) < 0 ||
#ifdef CONFIG_NET_ESTIMATOR
gnet_stats_copy_rate_est(d, &cl->rate_est) < 0 ||
#endif
gnet_stats_copy_queue(d, &cl->qstats) < 0)
return -1;