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Message-Id: <20171206160845.6646-5-aring@mojatatu.com>
Date: Wed, 6 Dec 2017 11:08:43 -0500
From: Alexander Aring <aring@...atatu.com>
To: davem@...emloft.net
Cc: jhs@...atatu.com, xiyou.wangcong@...il.com, jiri@...nulli.us,
netdev@...r.kernel.org, kernel@...atatu.com,
Alexander Aring <aring@...atatu.com>,
David Ahern <dsahern@...il.com>
Subject: [PATCH net-next 4/6] net: sched: sch: add extack to change class
This patch adds extack support for class change callback api. This prepares
to handle extack support inside each specific class implementation.
Cc: David Ahern <dsahern@...il.com>
Signed-off-by: Alexander Aring <aring@...atatu.com>
---
include/net/sch_generic.h | 3 ++-
net/sched/sch_api.c | 2 +-
net/sched/sch_atm.c | 3 ++-
net/sched/sch_cbq.c | 2 +-
net/sched/sch_drr.c | 3 ++-
net/sched/sch_dsmark.c | 3 ++-
net/sched/sch_hfsc.c | 3 ++-
net/sched/sch_htb.c | 2 +-
net/sched/sch_qfq.c | 3 ++-
net/sched/sch_sfb.c | 3 ++-
10 files changed, 17 insertions(+), 10 deletions(-)
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index f7b831ff1e94..d5a545a9d13e 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -156,7 +156,8 @@ struct Qdisc_class_ops {
/* Class manipulation routines */
unsigned long (*find)(struct Qdisc *, u32 classid);
int (*change)(struct Qdisc *, u32, u32,
- struct nlattr **, unsigned long *);
+ struct nlattr **, unsigned long *,
+ struct netlink_ext_ack *);
int (*delete)(struct Qdisc *, unsigned long);
void (*walk)(struct Qdisc *, struct qdisc_walker * arg);
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 3e13e7a24221..87c974d2d576 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1922,7 +1922,7 @@ static int tc_ctl_tclass(struct sk_buff *skb, struct nlmsghdr *n,
new_cl = cl;
err = -EOPNOTSUPP;
if (cops->change)
- err = cops->change(q, clid, portid, tca, &new_cl);
+ err = cops->change(q, clid, portid, tca, &new_cl, extack);
if (err == 0) {
tclass_notify(net, skb, n, q, new_cl, RTM_NEWTCLASS);
/* We just create a new class, need to do reverse binding. */
diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c
index 2dbd249c0b2f..07bffd1b537c 100644
--- a/net/sched/sch_atm.c
+++ b/net/sched/sch_atm.c
@@ -191,7 +191,8 @@ static const struct nla_policy atm_policy[TCA_ATM_MAX + 1] = {
};
static int atm_tc_change(struct Qdisc *sch, u32 classid, u32 parent,
- struct nlattr **tca, unsigned long *arg)
+ struct nlattr **tca, unsigned long *arg,
+ struct netlink_ext_ack *extack)
{
struct atm_qdisc_data *p = qdisc_priv(sch);
struct atm_flow_data *flow = (struct atm_flow_data *)*arg;
diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
index 845f1ebbb217..55cb7c035b19 100644
--- a/net/sched/sch_cbq.c
+++ b/net/sched/sch_cbq.c
@@ -1451,7 +1451,7 @@ static void cbq_destroy(struct Qdisc *sch)
static int
cbq_change_class(struct Qdisc *sch, u32 classid, u32 parentid, struct nlattr **tca,
- unsigned long *arg)
+ unsigned long *arg, struct netlink_ext_ack *extack)
{
int err;
struct cbq_sched_data *q = qdisc_priv(sch);
diff --git a/net/sched/sch_drr.c b/net/sched/sch_drr.c
index 1a88473cd768..73b914bc47a4 100644
--- a/net/sched/sch_drr.c
+++ b/net/sched/sch_drr.c
@@ -64,7 +64,8 @@ static const struct nla_policy drr_policy[TCA_DRR_MAX + 1] = {
};
static int drr_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
- struct nlattr **tca, unsigned long *arg)
+ struct nlattr **tca, unsigned long *arg,
+ struct netlink_ext_ack *extack)
{
struct drr_sched *q = qdisc_priv(sch);
struct drr_class *cl = (struct drr_class *)*arg;
diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c
index 16dd480b5583..89e433bbd590 100644
--- a/net/sched/sch_dsmark.c
+++ b/net/sched/sch_dsmark.c
@@ -112,7 +112,8 @@ static const struct nla_policy dsmark_policy[TCA_DSMARK_MAX + 1] = {
};
static int dsmark_change(struct Qdisc *sch, u32 classid, u32 parent,
- struct nlattr **tca, unsigned long *arg)
+ struct nlattr **tca, unsigned long *arg,
+ struct netlink_ext_ack *extack)
{
struct dsmark_qdisc_data *p = qdisc_priv(sch);
struct nlattr *opt = tca[TCA_OPTIONS];
diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index ed73ad6c4aaf..008524d6bb74 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -921,7 +921,8 @@ static const struct nla_policy hfsc_policy[TCA_HFSC_MAX + 1] = {
static int
hfsc_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
- struct nlattr **tca, unsigned long *arg)
+ struct nlattr **tca, unsigned long *arg,
+ struct netlink_ext_ack *extack)
{
struct hfsc_sched *q = qdisc_priv(sch);
struct hfsc_class *cl = (struct hfsc_class *)*arg;
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 41d9b7da9273..eb535a23a69b 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -1327,7 +1327,7 @@ static int htb_delete(struct Qdisc *sch, unsigned long arg)
static int htb_change_class(struct Qdisc *sch, u32 classid,
u32 parentid, struct nlattr **tca,
- unsigned long *arg)
+ unsigned long *arg, struct netlink_ext_ack *extack)
{
int err = -EINVAL;
struct htb_sched *q = qdisc_priv(sch);
diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c
index 7c1b976314bd..1f4a84b687d2 100644
--- a/net/sched/sch_qfq.c
+++ b/net/sched/sch_qfq.c
@@ -402,7 +402,8 @@ static int qfq_change_agg(struct Qdisc *sch, struct qfq_class *cl, u32 weight,
}
static int qfq_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
- struct nlattr **tca, unsigned long *arg)
+ struct nlattr **tca, unsigned long *arg,
+ struct netlink_ext_ack *extack)
{
struct qfq_sched *q = qdisc_priv(sch);
struct qfq_class *cl = (struct qfq_class *)*arg;
diff --git a/net/sched/sch_sfb.c b/net/sched/sch_sfb.c
index 1b9d69bd6ed6..d70d470361be 100644
--- a/net/sched/sch_sfb.c
+++ b/net/sched/sch_sfb.c
@@ -645,7 +645,8 @@ static void sfb_unbind(struct Qdisc *sch, unsigned long arg)
}
static int sfb_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
- struct nlattr **tca, unsigned long *arg)
+ struct nlattr **tca, unsigned long *arg,
+ struct netlink_ext_ack *extack)
{
return -ENOSYS;
}
--
2.11.0
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