linux-kernel - [PATCH net-next 1/3] net/sched: act_police: move police parameters into separate header file

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Message-ID: <20190502094029.22526-2-joergen.andreasen@microchip.com>
Date:   Thu, 2 May 2019 11:40:27 +0200
From:   Joergen Andreasen <joergen.andreasen@...rochip.com>
To:     <netdev@...r.kernel.org>
CC:     Joergen Andreasen <joergen.andreasen@...rochip.com>,
        Jamal Hadi Salim <jhs@...atatu.com>,
        Cong Wang <xiyou.wangcong@...il.com>,
        Jiri Pirko <jiri@...nulli.us>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Microchip Linux Driver Support <UNGLinuxDriver@...rochip.com>,
        "David S. Miller" <davem@...emloft.net>,
        Ralf Baechle <ralf@...ux-mips.org>,
        "Paul Burton" <paul.burton@...s.com>,
        James Hogan <jhogan@...nel.org>, <linux-mips@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH net-next 1/3] net/sched: act_police: move police parameters into separate header file

Hardware offloading a policer requires access to it's parameters.
This is now possible by including net/tc_act/tc_police.h.

Signed-off-by: Joergen Andreasen <joergen.andreasen@...rochip.com>
---
 include/net/tc_act/tc_police.h | 41 ++++++++++++++++++++++++++++++++++
 net/sched/act_police.c         | 27 +---------------------
 2 files changed, 42 insertions(+), 26 deletions(-)
 create mode 100644 include/net/tc_act/tc_police.h

diff --git a/include/net/tc_act/tc_police.h b/include/net/tc_act/tc_police.h
new file mode 100644
index 000000000000..052dc5f37aa9
--- /dev/null
+++ b/include/net/tc_act/tc_police.h
@@ -0,0 +1,41 @@
+/* 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)
+
+static inline bool is_tcf_police(const struct tc_action *a)
+{
+#ifdef CONFIG_NET_CLS_ACT
+	if (a->ops && a->ops->id == TCA_ID_POLICE)
+		return true;
+#endif
+	return false;
+}
+
+#endif /* __NET_TC_POLICE_H */
diff --git a/net/sched/act_police.c b/net/sched/act_police.c
index 2b8581f6ab51..5cb053f2c7b1 100644
--- a/net/sched/act_police.c
+++ b/net/sched/act_police.c
@@ -19,35 +19,10 @@
 #include <linux/rtnetlink.h>
 #include <linux/init.h>
 #include <linux/slab.h>
-#include <net/act_api.h>
+#include <net/tc_act/tc_police.h>
 #include <net/netlink.h>
 #include <net/pkt_cls.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;
-- 
2.17.1