netdev - [PATCH net-next 2/7] net: sched: add tcf_proto

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Message-Id: <20180625043431.13413-3-jakub.kicinski@netronome.com>
Date:   Sun, 24 Jun 2018 21:34:26 -0700
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     davem@...emloft.net, jiri@...nulli.us
Cc:     xiyou.wangcong@...il.com, jhs@...atatu.com, gerlitz.or@...il.com,
        netdev@...r.kernel.org, oss-drivers@...ronome.com,
        John Hurley <john.hurley@...ronome.com>,
        Jakub Kicinski <jakub.kicinski@...ronome.com>
Subject: [PATCH net-next 2/7] net: sched: add tcf_proto_op to offload a rule

From: John Hurley <john.hurley@...ronome.com>

Create a new tcf_proto_op called 'reoffload' that generates a new offload
message for each node in a tcf_proto. Pointers to the tcf_proto and
whether the offload request is to add or delete the node are included.
Also included is a callback function to send the offload message to and
the option of priv data to go with the cb.

Signed-off-by: John Hurley <john.hurley@...ronome.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@...ronome.com>
---
 include/net/act_api.h     | 3 ---
 include/net/sch_generic.h | 6 ++++++
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/include/net/act_api.h b/include/net/act_api.h
index 9e59ebfded62..5ff11adbe2a6 100644
--- a/include/net/act_api.h
+++ b/include/net/act_api.h
@@ -190,9 +190,6 @@ static inline void tcf_action_stats_update(struct tc_action *a, u64 bytes,
 #endif
 }
 
-typedef int tc_setup_cb_t(enum tc_setup_type type,
-			  void *type_data, void *cb_priv);
-
 #ifdef CONFIG_NET_CLS_ACT
 int tc_setup_cb_egdev_register(const struct net_device *dev,
 			       tc_setup_cb_t *cb, void *cb_priv);
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 6488daa32f82..88ed64f60056 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -20,6 +20,9 @@ struct qdisc_walker;
 struct tcf_walker;
 struct module;
 
+typedef int tc_setup_cb_t(enum tc_setup_type type,
+			  void *type_data, void *cb_priv);
+
 struct qdisc_rate_table {
 	struct tc_ratespec rate;
 	u32		data[256];
@@ -256,6 +259,9 @@ struct tcf_proto_ops {
 					  bool *last,
 					  struct netlink_ext_ack *);
 	void			(*walk)(struct tcf_proto*, struct tcf_walker *arg);
+	int			(*reoffload)(struct tcf_proto *, bool,
+					     tc_setup_cb_t *, void *,
+					     struct netlink_ext_ack *);
 	void			(*bind_class)(void *, u32, unsigned long);
 
 	/* rtnetlink specific */
-- 
2.17.1