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Diffstat (limited to 'include/net/tc_act/tc_police.h')
-rw-r--r--include/net/tc_act/tc_police.h70
1 files changed, 70 insertions, 0 deletions
diff --git a/include/net/tc_act/tc_police.h b/include/net/tc_act/tc_police.h
new file mode 100644
index 000000000000..8b9ef3664262
--- /dev/null
+++ b/include/net/tc_act/tc_police.h
@@ -0,0 +1,70 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __NET_TC_POLICE_H
+#define __NET_TC_POLICE_H
+
+#include <net/act_api.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;
+};
+
+static inline bool is_tcf_police(const struct tc_action *act)
+{
+#ifdef CONFIG_NET_CLS_ACT
+ if (act->ops && act->ops->id == TCA_ID_POLICE)
+ return true;
+#endif
+ return false;
+}
+
+static inline u64 tcf_police_rate_bytes_ps(const struct tc_action *act)
+{
+ struct tcf_police *police = to_police(act);
+ struct tcf_police_params *params;
+
+ params = rcu_dereference_bh(police->params);
+ return params->rate.rate_bytes_ps;
+}
+
+static inline s64 tcf_police_tcfp_burst(const struct tc_action *act)
+{
+ struct tcf_police *police = to_police(act);
+ struct tcf_police_params *params;
+
+ params = rcu_dereference_bh(police->params);
+ return params->tcfp_burst;
+}
+
+#endif /* __NET_TC_POLICE_H */