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Commit 69d78ef2 authored by Jiri Pirko's avatar Jiri Pirko Committed by David S. Miller
Browse files

net: sched: store Qdisc pointer in struct block 



Prepare for removal of tp->q and store Qdisc pointer in the block
structure.

Signed-off-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 32302902

include/net/pkt_cls.h

+2 −2
Original line number Diff line number Diff line
@@ -22,7 +22,7 @@ struct tcf_chain *tcf_chain_get(struct tcf_block *block, u32 chain_index, 
				bool create);

void tcf_chain_put(struct tcf_chain *chain);

int tcf_block_get(struct tcf_block **p_block,

		  struct tcf_proto __rcu **p_filter_chain);

		  struct tcf_proto __rcu **p_filter_chain, struct Qdisc *q);

void tcf_block_put(struct tcf_block *block);

int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp,

		 struct tcf_result *res, bool compat_mode);
@@ -30,7 +30,7 @@ int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp, 
#else

static inline

int tcf_block_get(struct tcf_block **p_block,

		  struct tcf_proto __rcu **p_filter_chain)

		  struct tcf_proto __rcu **p_filter_chain, struct Qdisc *q)

{

	return 0;

}

include/net/sch_generic.h

+1 −0
Original line number Diff line number Diff line
@@ -270,6 +270,7 @@ struct tcf_chain { 


struct tcf_block {

	struct list_head chain_list;

	struct Qdisc *q;

};



static inline void qdisc_cb_private_validate(const struct sk_buff *skb, int sz)

net/sched/cls_api.c

+2 −1
Original line number Diff line number Diff line
@@ -241,7 +241,7 @@ tcf_chain_filter_chain_ptr_set(struct tcf_chain *chain, 
}



int tcf_block_get(struct tcf_block **p_block,

		  struct tcf_proto __rcu **p_filter_chain)

		  struct tcf_proto __rcu **p_filter_chain, struct Qdisc *q)

{

	struct tcf_block *block = kzalloc(sizeof(*block), GFP_KERNEL);

	struct tcf_chain *chain;
@@ -257,6 +257,7 @@ int tcf_block_get(struct tcf_block **p_block, 
		goto err_chain_create;

	}

	tcf_chain_filter_chain_ptr_set(chain, p_filter_chain);

	block->q = q;

	*p_block = block;

	return 0;

net/sched/sch_atm.c

+2 −2
Original line number Diff line number Diff line
@@ -281,7 +281,7 @@ static int atm_tc_change(struct Qdisc *sch, u32 classid, u32 parent, 
		goto err_out;

	}



	error = tcf_block_get(&flow->block, &flow->filter_list);

	error = tcf_block_get(&flow->block, &flow->filter_list, sch);

	if (error) {

		kfree(flow);

		goto err_out;
@@ -546,7 +546,7 @@ static int atm_tc_init(struct Qdisc *sch, struct nlattr *opt) 
		p->link.q = &noop_qdisc;

	pr_debug("atm_tc_init: link (%p) qdisc %p\n", &p->link, p->link.q);



	err = tcf_block_get(&p->link.block, &p->link.filter_list);

	err = tcf_block_get(&p->link.block, &p->link.filter_list, sch);

	if (err)

		return err;

net/sched/sch_cbq.c

+1 −1
Original line number Diff line number Diff line
@@ -1566,7 +1566,7 @@ cbq_change_class(struct Qdisc *sch, u32 classid, u32 parentid, struct nlattr **t 
	if (cl == NULL)

		goto failure;



	err = tcf_block_get(&cl->block, &cl->filter_list);

	err = tcf_block_get(&cl->block, &cl->filter_list, sch);

	if (err) {

		kfree(cl);

		return err;