netdev - [PATCH net-next,RFC 8/9] net: sched: remove tcf_block_cb

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Date:   Fri, 26 Apr 2019 02:33:46 +0200
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     netfilter-devel@...r.kernel.org
Cc:     davem@...emloft.net, netdev@...r.kernel.org, jiri@...lanox.com,
        john.hurley@...ronome.com, jakub.kicinski@...ronome.com,
        ogerlitz@...lanox.com
Subject: [PATCH net-next,RFC 8/9] net: sched: remove tcf_block_cb_{register,unregister}()

Now replaced by the tcf_block_setup() core registration, remove this.

Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
---
 include/net/pkt_cls.h | 12 +----------
 net/sched/cls_api.c   | 59 ---------------------------------------------------
 2 files changed, 1 insertion(+), 70 deletions(-)

diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
index 8f0486a00d70..b61d0c89ba5b 100644
--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -83,17 +83,7 @@ struct tcf_block_cb *tcf_block_cb_lookup(u32 block_index, tc_setup_cb_t *cb,
 					 void *cb_ident);
 void tcf_block_cb_incref(struct tcf_block_cb *block_cb);
 unsigned int tcf_block_cb_decref(struct tcf_block_cb *block_cb);
-struct tcf_block_cb *__tcf_block_cb_register(struct tcf_block *block,
-					     tc_setup_cb_t *cb, void *cb_ident,
-					     void *cb_priv,
-					     struct netlink_ext_ack *extack);
-int tcf_block_cb_register(struct tcf_block *block,
-			  tc_setup_cb_t *cb, void *cb_ident,
-			  void *cb_priv, struct netlink_ext_ack *extack);
-void __tcf_block_cb_unregister(struct tcf_block *block,
-			       struct tcf_block_cb *block_cb);
-void tcf_block_cb_unregister(struct tcf_block *block,
-			     tc_setup_cb_t *cb, void *cb_ident);
+
 int __tc_indr_block_cb_register(struct net_device *dev, void *cb_priv,
 				tc_indr_block_bind_cb_t *cb, void *cb_ident);
 int tc_indr_block_cb_register(struct net_device *dev, void *cb_priv,
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index f7f6f42d58d1..bd8b08f158c0 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -799,65 +799,6 @@ void tcf_block_cb_list_move(struct tcf_block_cb *block_cb,
 }
 EXPORT_SYMBOL(tcf_block_cb_list_move);
 
-struct tcf_block_cb *__tcf_block_cb_register(struct tcf_block *block,
-					     tc_setup_cb_t *cb, void *cb_ident,
-					     void *cb_priv,
-					     struct netlink_ext_ack *extack)
-{
-	struct tcf_block_cb *block_cb;
-	int err;
-
-	/* Replay any already present rules */
-	err = tcf_block_playback_offloads(block, cb, cb_priv, true,
-					  tcf_block_offload_in_use(block),
-					  extack);
-	if (err)
-		return ERR_PTR(err);
-
-	block_cb = tcf_block_cb_alloc(block->index, cb, cb_ident, cb_priv, NULL);
-	if (!block_cb)
-		return ERR_PTR(-ENOMEM);
-
-	list_add(&block_cb->list, &block->cb_list);
-	return block_cb;
-}
-EXPORT_SYMBOL(__tcf_block_cb_register);
-
-int tcf_block_cb_register(struct tcf_block *block,
-			  tc_setup_cb_t *cb, void *cb_ident,
-			  void *cb_priv, struct netlink_ext_ack *extack)
-{
-	struct tcf_block_cb *block_cb;
-
-	block_cb = __tcf_block_cb_register(block, cb, cb_ident, cb_priv,
-					   extack);
-	return PTR_ERR_OR_ZERO(block_cb);
-}
-EXPORT_SYMBOL(tcf_block_cb_register);
-
-void __tcf_block_cb_unregister(struct tcf_block *block,
-			       struct tcf_block_cb *block_cb)
-{
-	tcf_block_playback_offloads(block, block_cb->cb, block_cb->cb_priv,
-				    false, tcf_block_offload_in_use(block),
-				    NULL);
-	list_del(&block_cb->list);
-	kfree(block_cb);
-}
-EXPORT_SYMBOL(__tcf_block_cb_unregister);
-
-void tcf_block_cb_unregister(struct tcf_block *block,
-			     tc_setup_cb_t *cb, void *cb_ident)
-{
-	struct tcf_block_cb *block_cb;
-
-	block_cb = tcf_block_cb_lookup(block->index, cb, cb_ident);
-	if (!block_cb)
-		return;
-	__tcf_block_cb_unregister(block, block_cb);
-}
-EXPORT_SYMBOL(tcf_block_cb_unregister);
-
 static int tcf_block_bind(struct tcf_block *block, struct tc_block_offload *bo)
 {
 	struct tcf_block_cb *block_cb, *failed_cb;
-- 
2.11.0