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Diffstat (limited to 'net/sched/act_police.c')
-rw-r--r--net/sched/act_police.c68
1 files changed, 30 insertions, 38 deletions
diff --git a/net/sched/act_police.c b/net/sched/act_police.c
index 8271a6263824..61731944742a 100644
--- a/net/sched/act_police.c
+++ b/net/sched/act_police.c
@@ -21,42 +21,8 @@
#include <linux/slab.h>
#include <net/act_api.h>
#include <net/netlink.h>
-
-struct tcf_police_params {
- int tcfp_result;
- u32 tcfp_ewma_rate;
- s64 tcfp_burst;
- u32 tcfp_mtu;
- s64 tcfp_mtu_ptoks;
- struct psched_ratecfg rate;
- bool rate_present;
- struct psched_ratecfg peak;
- bool peak_present;
- struct rcu_head rcu;
-};
-
-struct tcf_police {
- struct tc_action common;
- struct tcf_police_params __rcu *params;
-
- spinlock_t tcfp_lock ____cacheline_aligned_in_smp;
- s64 tcfp_toks;
- s64 tcfp_ptoks;
- s64 tcfp_t_c;
-};
-
-#define to_police(pc) ((struct tcf_police *)pc)
-
-/* old policer structure from before tc actions */
-struct tc_police_compat {
- u32 index;
- int action;
- u32 limit;
- u32 burst;
- u32 mtu;
- struct tc_ratespec rate;
- struct tc_ratespec peakrate;
-};
+#include <net/pkt_cls.h>
+#include <net/tc_act/tc_police.h>
/* Each policer is serialized by its individual spinlock */
@@ -83,10 +49,12 @@ static const struct nla_policy police_policy[TCA_POLICE_MAX + 1] = {
static int tcf_police_init(struct net *net, struct nlattr *nla,
struct nlattr *est, struct tc_action **a,
int ovr, int bind, bool rtnl_held,
+ struct tcf_proto *tp,
struct netlink_ext_ack *extack)
{
int ret = 0, tcfp_result = TC_ACT_OK, err, size;
struct nlattr *tb[TCA_POLICE_MAX + 1];
+ struct tcf_chain *goto_ch = NULL;
struct tc_police *parm;
struct tcf_police *police;
struct qdisc_rate_table *R_tab = NULL, *P_tab = NULL;
@@ -97,7 +65,8 @@ static int tcf_police_init(struct net *net, struct nlattr *nla,
if (nla == NULL)
return -EINVAL;
- err = nla_parse_nested(tb, TCA_POLICE_MAX, nla, police_policy, NULL);
+ err = nla_parse_nested_deprecated(tb, TCA_POLICE_MAX, nla,
+ police_policy, NULL);
if (err < 0)
return err;
@@ -128,6 +97,9 @@ static int tcf_police_init(struct net *net, struct nlattr *nla,
tcf_idr_release(*a, bind);
return -EEXIST;
}
+ err = tcf_action_check_ctrlact(parm->action, tp, &goto_ch, extack);
+ if (err < 0)
+ goto release_idr;
police = to_police(*a);
if (parm->rate.rate) {
@@ -213,12 +185,14 @@ static int tcf_police_init(struct net *net, struct nlattr *nla,
if (new->peak_present)
police->tcfp_ptoks = new->tcfp_mtu_ptoks;
spin_unlock_bh(&police->tcfp_lock);
- police->tcf_action = parm->action;
+ goto_ch = tcf_action_set_ctrlact(*a, parm->action, goto_ch);
rcu_swap_protected(police->params,
new,
lockdep_is_held(&police->tcf_lock));
spin_unlock_bh(&police->tcf_lock);
+ if (goto_ch)
+ tcf_chain_put_by_act(goto_ch);
if (new)
kfree_rcu(new, rcu);
@@ -229,6 +203,9 @@ static int tcf_police_init(struct net *net, struct nlattr *nla,
failure:
qdisc_put_rtab(P_tab);
qdisc_put_rtab(R_tab);
+ if (goto_ch)
+ tcf_chain_put_by_act(goto_ch);
+release_idr:
tcf_idr_release(*a, bind);
return err;
}
@@ -305,6 +282,20 @@ static void tcf_police_cleanup(struct tc_action *a)
kfree_rcu(p, rcu);
}
+static void tcf_police_stats_update(struct tc_action *a,
+ u64 bytes, u32 packets,
+ u64 lastuse, bool hw)
+{
+ struct tcf_police *police = to_police(a);
+ struct tcf_t *tm = &police->tcf_tm;
+
+ _bstats_cpu_update(this_cpu_ptr(a->cpu_bstats), bytes, packets);
+ if (hw)
+ _bstats_cpu_update(this_cpu_ptr(a->cpu_bstats_hw),
+ bytes, packets);
+ tm->lastuse = max_t(u64, tm->lastuse, lastuse);
+}
+
static int tcf_police_dump(struct sk_buff *skb, struct tc_action *a,
int bind, int ref)
{
@@ -368,6 +359,7 @@ static struct tc_action_ops act_police_ops = {
.kind = "police",
.id = TCA_ID_POLICE,
.owner = THIS_MODULE,
+ .stats_update = tcf_police_stats_update,
.act = tcf_police_act,
.dump = tcf_police_dump,
.init = tcf_police_init,