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Date: Wed, 9 Aug 2017 14:30:35 +0200
From: Jiri Pirko <jiri@...nulli.us>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net, jhs@...atatu.com, xiyou.wangcong@...il.com,
daniel@...earbox.net, mlxsw@...lanox.com, andrew@...n.ch,
vivien.didelot@...oirfairelinux.com, f.fainelli@...il.com,
jakub.kicinski@...ronome.com, simon.horman@...ronome.com,
pieter.jansenvanvuuren@...ronome.com, oss-drivers@...ronome.com,
ganeshgr@...lsio.com, jeffrey.t.kirsher@...el.com,
saeedm@...lanox.com, matanb@...lanox.com, leonro@...lanox.com
Subject: [patch net-next 5/5] net: sched: remove cops->tcf_cl_offload
From: Jiri Pirko <jiri@...lanox.com>
cops->tcf_cl_offload is no longer needed, as the drivers check what they
can and cannot offload using the classid identify helpers. So remove this.
Signed-off-by: Jiri Pirko <jiri@...lanox.com>
---
include/net/pkt_cls.h | 14 +++-----------
include/net/sch_generic.h | 1 -
net/sched/cls_bpf.c | 4 ++--
net/sched/cls_flower.c | 8 ++++----
net/sched/cls_matchall.c | 4 ++--
net/sched/cls_u32.c | 8 ++++----
net/sched/sch_ingress.c | 12 ------------
7 files changed, 15 insertions(+), 36 deletions(-)
diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
index bd9dd79..e80edd8 100644
--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -457,19 +457,12 @@ struct tc_cls_u32_offload {
};
};
-static inline bool tc_can_offload(const struct net_device *dev,
- const struct tcf_proto *tp)
+static inline bool tc_can_offload(const struct net_device *dev)
{
- const struct Qdisc *sch = tp->q;
- const struct Qdisc_class_ops *cops = sch->ops->cl_ops;
-
if (!(dev->features & NETIF_F_HW_TC))
return false;
if (!dev->netdev_ops->ndo_setup_tc)
return false;
- if (cops && cops->tcf_cl_offload)
- return cops->tcf_cl_offload(tp->classid);
-
return true;
}
@@ -478,12 +471,11 @@ static inline bool tc_skip_hw(u32 flags)
return (flags & TCA_CLS_FLAGS_SKIP_HW) ? true : false;
}
-static inline bool tc_should_offload(const struct net_device *dev,
- const struct tcf_proto *tp, u32 flags)
+static inline bool tc_should_offload(const struct net_device *dev, u32 flags)
{
if (tc_skip_hw(flags))
return false;
- return tc_can_offload(dev, tp);
+ return tc_can_offload(dev);
}
static inline bool tc_skip_sw(u32 flags)
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index e79f5ad..5865db9 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -156,7 +156,6 @@ struct Qdisc_class_ops {
/* Filter manipulation */
struct tcf_block * (*tcf_block)(struct Qdisc *, unsigned long);
- bool (*tcf_cl_offload)(u32 classid);
unsigned long (*bind_tcf)(struct Qdisc *, unsigned long,
u32 classid);
void (*unbind_tcf)(struct Qdisc *, unsigned long);
diff --git a/net/sched/cls_bpf.c b/net/sched/cls_bpf.c
index db17b68..6f2dffe 100644
--- a/net/sched/cls_bpf.c
+++ b/net/sched/cls_bpf.c
@@ -178,7 +178,7 @@ static int cls_bpf_offload(struct tcf_proto *tp, struct cls_bpf_prog *prog,
(oldprog && tc_skip_sw(oldprog->gen_flags));
if (oldprog && oldprog->offloaded) {
- if (tc_should_offload(dev, tp, prog->gen_flags)) {
+ if (tc_should_offload(dev, prog->gen_flags)) {
cmd = TC_CLSBPF_REPLACE;
} else if (!tc_skip_sw(prog->gen_flags)) {
obj = oldprog;
@@ -187,7 +187,7 @@ static int cls_bpf_offload(struct tcf_proto *tp, struct cls_bpf_prog *prog,
return -EINVAL;
}
} else {
- if (!tc_should_offload(dev, tp, prog->gen_flags))
+ if (!tc_should_offload(dev, prog->gen_flags))
return skip_sw ? -EINVAL : 0;
cmd = TC_CLSBPF_ADD;
}
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index d2551a0..052e902 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -227,7 +227,7 @@ static void fl_hw_destroy_filter(struct tcf_proto *tp, struct cls_fl_filter *f)
struct tc_cls_flower_offload cls_flower = {};
struct net_device *dev = f->hw_dev;
- if (!tc_can_offload(dev, tp))
+ if (!tc_can_offload(dev))
return;
tc_cls_common_offload_init(&cls_flower.common, tp);
@@ -246,9 +246,9 @@ static int fl_hw_replace_filter(struct tcf_proto *tp,
struct tc_cls_flower_offload cls_flower = {};
int err;
- if (!tc_can_offload(dev, tp)) {
+ if (!tc_can_offload(dev)) {
if (tcf_exts_get_dev(dev, &f->exts, &f->hw_dev) ||
- (f->hw_dev && !tc_can_offload(f->hw_dev, tp))) {
+ (f->hw_dev && !tc_can_offload(f->hw_dev))) {
f->hw_dev = dev;
return tc_skip_sw(f->flags) ? -EINVAL : 0;
}
@@ -281,7 +281,7 @@ static void fl_hw_update_stats(struct tcf_proto *tp, struct cls_fl_filter *f)
struct tc_cls_flower_offload cls_flower = {};
struct net_device *dev = f->hw_dev;
- if (!tc_can_offload(dev, tp))
+ if (!tc_can_offload(dev))
return;
tc_cls_common_offload_init(&cls_flower.common, tp);
diff --git a/net/sched/cls_matchall.c b/net/sched/cls_matchall.c
index d44e26f..d4dc387 100644
--- a/net/sched/cls_matchall.c
+++ b/net/sched/cls_matchall.c
@@ -92,7 +92,7 @@ static void mall_destroy(struct tcf_proto *tp)
if (!head)
return;
- if (tc_should_offload(dev, tp, head->flags))
+ if (tc_should_offload(dev, head->flags))
mall_destroy_hw_filter(tp, head, (unsigned long) head);
call_rcu(&head->rcu, mall_destroy_rcu);
@@ -172,7 +172,7 @@ static int mall_change(struct net *net, struct sk_buff *in_skb,
if (err)
goto err_set_parms;
- if (tc_should_offload(dev, tp, flags)) {
+ if (tc_should_offload(dev, flags)) {
err = mall_replace_hw_filter(tp, new, (unsigned long) new);
if (err) {
if (tc_skip_sw(flags))
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index 5a3f781..af22742 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -433,7 +433,7 @@ static void u32_remove_hw_knode(struct tcf_proto *tp, u32 handle)
struct net_device *dev = tp->q->dev_queue->dev;
struct tc_cls_u32_offload cls_u32 = {};
- if (!tc_should_offload(dev, tp, 0))
+ if (!tc_should_offload(dev, 0))
return;
tc_cls_common_offload_init(&cls_u32.common, tp);
@@ -450,7 +450,7 @@ static int u32_replace_hw_hnode(struct tcf_proto *tp, struct tc_u_hnode *h,
struct tc_cls_u32_offload cls_u32 = {};
int err;
- if (!tc_should_offload(dev, tp, flags))
+ if (!tc_should_offload(dev, flags))
return tc_skip_sw(flags) ? -EINVAL : 0;
tc_cls_common_offload_init(&cls_u32.common, tp);
@@ -471,7 +471,7 @@ static void u32_clear_hw_hnode(struct tcf_proto *tp, struct tc_u_hnode *h)
struct net_device *dev = tp->q->dev_queue->dev;
struct tc_cls_u32_offload cls_u32 = {};
- if (!tc_should_offload(dev, tp, 0))
+ if (!tc_should_offload(dev, 0))
return;
tc_cls_common_offload_init(&cls_u32.common, tp);
@@ -490,7 +490,7 @@ static int u32_replace_hw_knode(struct tcf_proto *tp, struct tc_u_knode *n,
struct tc_cls_u32_offload cls_u32 = {};
int err;
- if (!tc_should_offload(dev, tp, flags))
+ if (!tc_should_offload(dev, flags))
return tc_skip_sw(flags) ? -EINVAL : 0;
tc_cls_common_offload_init(&cls_u32.common, tp);
diff --git a/net/sched/sch_ingress.c b/net/sched/sch_ingress.c
index d8a9beb..a15c543 100644
--- a/net/sched/sch_ingress.c
+++ b/net/sched/sch_ingress.c
@@ -32,11 +32,6 @@ static unsigned long ingress_get(struct Qdisc *sch, u32 classid)
return TC_H_MIN(classid) + 1;
}
-static bool ingress_cl_offload(u32 classid)
-{
- return true;
-}
-
static unsigned long ingress_bind_filter(struct Qdisc *sch,
unsigned long parent, u32 classid)
{
@@ -103,7 +98,6 @@ static const struct Qdisc_class_ops ingress_class_ops = {
.put = ingress_put,
.walk = ingress_walk,
.tcf_block = ingress_tcf_block,
- .tcf_cl_offload = ingress_cl_offload,
.bind_tcf = ingress_bind_filter,
.unbind_tcf = ingress_put,
};
@@ -134,11 +128,6 @@ static unsigned long clsact_get(struct Qdisc *sch, u32 classid)
}
}
-static bool clsact_cl_offload(u32 classid)
-{
- return TC_H_MIN(classid) == TC_H_MIN(TC_H_MIN_INGRESS);
-}
-
static unsigned long clsact_bind_filter(struct Qdisc *sch,
unsigned long parent, u32 classid)
{
@@ -198,7 +187,6 @@ static const struct Qdisc_class_ops clsact_class_ops = {
.put = ingress_put,
.walk = ingress_walk,
.tcf_block = clsact_tcf_block,
- .tcf_cl_offload = clsact_cl_offload,
.bind_tcf = clsact_bind_filter,
.unbind_tcf = ingress_put,
};
--
2.9.3
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