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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: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2017-10-13 14:00:57 +02:00 committed by David S. Miller
parent 32302902ff
commit 69d78ef25c
16 changed files with 23 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
include/net/pkt_cls.h
View File

@ -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;
}

1
include/net/sch_generic.h
View File

@ -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)

3
net/sched/cls_api.c
View File

@ -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;

4
net/sched/sch_atm.c
View File

@ -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;

2
net/sched/sch_cbq.c
View File

@ -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;

2
net/sched/sch_drr.c
View File

@ -412,7 +412,7 @@ static int drr_init_qdisc(struct Qdisc *sch, struct nlattr *opt)
struct drr_sched *q = qdisc_priv(sch);
int err;
err = tcf_block_get(&q->block, &q->filter_list);
err = tcf_block_get(&q->block, &q->filter_list, sch);
if (err)
return err;
err = qdisc_class_hash_init(&q->clhash);

2
net/sched/sch_dsmark.c
View File

@ -344,7 +344,7 @@ static int dsmark_init(struct Qdisc *sch, struct nlattr *opt)
if (!opt)
goto errout;
err = tcf_block_get(&p->block, &p->filter_list);
err = tcf_block_get(&p->block, &p->filter_list, sch);
if (err)
return err;

2
net/sched/sch_fq_codel.c
View File

@ -481,7 +481,7 @@ static int fq_codel_init(struct Qdisc *sch, struct nlattr *opt)
return err;
}
err = tcf_block_get(&q->block, &q->filter_list);
err = tcf_block_get(&q->block, &q->filter_list, sch);
if (err)
return err;

4
net/sched/sch_hfsc.c
View File

@ -1033,7 +1033,7 @@ hfsc_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
if (cl == NULL)
return -ENOBUFS;
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;
@ -1405,7 +1405,7 @@ hfsc_init_qdisc(struct Qdisc *sch, struct nlattr *opt)
return err;
q->eligible = RB_ROOT;
err = tcf_block_get(&q->root.block, &q->root.filter_list);
err = tcf_block_get(&q->root.block, &q->root.filter_list, sch);
if (err)
return err;

4
net/sched/sch_htb.c
View File

@ -1030,7 +1030,7 @@ static int htb_init(struct Qdisc *sch, struct nlattr *opt)
if (!opt)
return -EINVAL;
err = tcf_block_get(&q->block, &q->filter_list);
err = tcf_block_get(&q->block, &q->filter_list, sch);
if (err)
return err;
@ -1393,7 +1393,7 @@ static int htb_change_class(struct Qdisc *sch, u32 classid,
if (!cl)
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);
goto failure;

6
net/sched/sch_ingress.c
View File

@ -59,7 +59,7 @@ static int ingress_init(struct Qdisc *sch, struct nlattr *opt)
struct net_device *dev = qdisc_dev(sch);
int err;
err = tcf_block_get(&q->block, &dev->ingress_cl_list);
err = tcf_block_get(&q->block, &dev->ingress_cl_list, sch);
if (err)
return err;
@ -153,11 +153,11 @@ static int clsact_init(struct Qdisc *sch, struct nlattr *opt)
struct net_device *dev = qdisc_dev(sch);
int err;
err = tcf_block_get(&q->ingress_block, &dev->ingress_cl_list);
err = tcf_block_get(&q->ingress_block, &dev->ingress_cl_list, sch);
if (err)
return err;
err = tcf_block_get(&q->egress_block, &dev->egress_cl_list);
err = tcf_block_get(&q->egress_block, &dev->egress_cl_list, sch);
if (err)
return err;

2
net/sched/sch_multiq.c
View File

@ -245,7 +245,7 @@ static int multiq_init(struct Qdisc *sch, struct nlattr *opt)
if (opt == NULL)
return -EINVAL;
err = tcf_block_get(&q->block, &q->filter_list);
err = tcf_block_get(&q->block, &q->filter_list, sch);
if (err)
return err;

2
net/sched/sch_prio.c
View File

@ -212,7 +212,7 @@ static int prio_init(struct Qdisc *sch, struct nlattr *opt)
if (!opt)
return -EINVAL;
err = tcf_block_get(&q->block, &q->filter_list);
err = tcf_block_get(&q->block, &q->filter_list, sch);
if (err)
return err;

2
net/sched/sch_qfq.c
View File

@ -1419,7 +1419,7 @@ static int qfq_init_qdisc(struct Qdisc *sch, struct nlattr *opt)
int i, j, err;
u32 max_cl_shift, maxbudg_shift, max_classes;
err = tcf_block_get(&q->block, &q->filter_list);
err = tcf_block_get(&q->block, &q->filter_list, sch);
if (err)
return err;

2
net/sched/sch_sfb.c
View File

@ -553,7 +553,7 @@ static int sfb_init(struct Qdisc *sch, struct nlattr *opt)
struct sfb_sched_data *q = qdisc_priv(sch);
int err;
err = tcf_block_get(&q->block, &q->filter_list);
err = tcf_block_get(&q->block, &q->filter_list, sch);
if (err)
return err;

2
net/sched/sch_sfq.c
View File

@ -725,7 +725,7 @@ static int sfq_init(struct Qdisc *sch, struct nlattr *opt)
setup_deferrable_timer(&q->perturb_timer, sfq_perturbation,
(unsigned long)sch);
err = tcf_block_get(&q->block, &q->filter_list);
err = tcf_block_get(&q->block, &q->filter_list, sch);
if (err)
return err;