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-rw-r--r--net/sched/act_police.c26
1 files changed, 22 insertions, 4 deletions
diff --git a/net/sched/act_police.c b/net/sched/act_police.c
index da905d7b4b4..930e0104713 100644
--- a/net/sched/act_police.c
+++ b/net/sched/act_police.c
@@ -44,6 +44,18 @@ static struct tcf_police *tcf_police_ht[MY_TAB_SIZE];
/* Policer hash table lock */
static DEFINE_RWLOCK(police_lock);
+/* 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;
+};
+
/* Each policer is serialized by its individual spinlock */
static __inline__ unsigned tcf_police_hash(u32 index)
@@ -169,12 +181,15 @@ static int tcf_act_police_locate(struct rtattr *rta, struct rtattr *est,
struct tc_police *parm;
struct tcf_police *p;
struct qdisc_rate_table *R_tab = NULL, *P_tab = NULL;
+ int size;
if (rta == NULL || rtattr_parse_nested(tb, TCA_POLICE_MAX, rta) < 0)
return -EINVAL;
- if (tb[TCA_POLICE_TBF-1] == NULL ||
- RTA_PAYLOAD(tb[TCA_POLICE_TBF-1]) != sizeof(*parm))
+ if (tb[TCA_POLICE_TBF-1] == NULL)
+ return -EINVAL;
+ size = RTA_PAYLOAD(tb[TCA_POLICE_TBF-1]);
+ if (size != sizeof(*parm) && size != sizeof(struct tc_police_compat))
return -EINVAL;
parm = RTA_DATA(tb[TCA_POLICE_TBF-1]);
@@ -413,12 +428,15 @@ struct tcf_police * tcf_police_locate(struct rtattr *rta, struct rtattr *est)
struct tcf_police *p;
struct rtattr *tb[TCA_POLICE_MAX];
struct tc_police *parm;
+ int size;
if (rtattr_parse_nested(tb, TCA_POLICE_MAX, rta) < 0)
return NULL;
- if (tb[TCA_POLICE_TBF-1] == NULL ||
- RTA_PAYLOAD(tb[TCA_POLICE_TBF-1]) != sizeof(*parm))
+ if (tb[TCA_POLICE_TBF-1] == NULL)
+ return NULL;
+ size = RTA_PAYLOAD(tb[TCA_POLICE_TBF-1]);
+ if (size != sizeof(*parm) && size != sizeof(struct tc_police_compat))
return NULL;
parm = RTA_DATA(tb[TCA_POLICE_TBF-1]);