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net: sched: Pass ingress block to tcf_classify_ingress

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On ingress and cls_act qdiscs init, save the block on ingress
mini_Qdisc and and pass it on to ingress classification, so it
can be used for the looking up a specified chain index.

Co-developed-by: Vlad Buslov <vladbu@mellanox.com>
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Signed-off-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Paul Blakey
2020-02-19 17:49:48 -08:00
committed by Saeed Mahameed
parent 9410c9409d
commit 7d17c544cd
6 changed files with 31 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
net/core/dev.c
+2 -2
View File
@@ -4860,8 +4860,8 @@ sch_handle_ingress(struct sk_buff *skb, struct packet_type **pt_prev, int *ret,
skb->tc_at_ingress = 1;
mini_qdisc_bstats_cpu_update(miniq, skb);
switch (tcf_classify_ingress(skb, miniq->filter_list, &cl_res,
false)) {
switch (tcf_classify_ingress(skb, miniq->block, miniq->filter_list,
&cl_res, false)) {
case TC_ACT_OK:
case TC_ACT_RECLASSIFY:
skb->tc_index = TC_H_MIN(cl_res.classid);
net/sched/cls_api.c
+3 -1
View File
@@ -1623,7 +1623,9 @@ int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp,
}
EXPORT_SYMBOL(tcf_classify);
int tcf_classify_ingress(struct sk_buff *skb, const struct tcf_proto *tp,
int tcf_classify_ingress(struct sk_buff *skb,
const struct tcf_block *ingress_block,
const struct tcf_proto *tp,
struct tcf_result *res, bool compat_mode)
{
#if !IS_ENABLED(CONFIG_NET_TC_SKB_EXT)
net/sched/sch_generic.c
+8
View File
@@ -1391,6 +1391,14 @@ void mini_qdisc_pair_swap(struct mini_Qdisc_pair *miniqp,
}
EXPORT_SYMBOL(mini_qdisc_pair_swap);
void mini_qdisc_pair_block_init(struct mini_Qdisc_pair *miniqp,
struct tcf_block *block)
{
miniqp->miniq1.block = block;
miniqp->miniq2.block = block;
}
EXPORT_SYMBOL(mini_qdisc_pair_block_init);
void mini_qdisc_pair_init(struct mini_Qdisc_pair *miniqp, struct Qdisc *qdisc,
struct mini_Qdisc __rcu **p_miniq)
{
net/sched/sch_ingress.c
+10 -1
View File
@@ -78,6 +78,7 @@ static int ingress_init(struct Qdisc *sch, struct nlattr *opt,
{
struct ingress_sched_data *q = qdisc_priv(sch);
struct net_device *dev = qdisc_dev(sch);
int err;
net_inc_ingress_queue();
@@ -87,7 +88,13 @@ static int ingress_init(struct Qdisc *sch, struct nlattr *opt,
q->block_info.chain_head_change = clsact_chain_head_change;
q->block_info.chain_head_change_priv = &q->miniqp;
return tcf_block_get_ext(&q->block, sch, &q->block_info, extack);
err = tcf_block_get_ext(&q->block, sch, &q->block_info, extack);
if (err)
return err;
mini_qdisc_pair_block_init(&q->miniqp, q->block);
return 0;
}
static void ingress_destroy(struct Qdisc *sch)
@@ -226,6 +233,8 @@ static int clsact_init(struct Qdisc *sch, struct nlattr *opt,
if (err)
return err;
mini_qdisc_pair_block_init(&q->miniqp_ingress, q->ingress_block);
mini_qdisc_pair_init(&q->miniqp_egress, sch, &dev->miniq_egress);
q->egress_block_info.binder_type = FLOW_BLOCK_BINDER_TYPE_CLSACT_EGRESS;