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Message-Id: <a5071550ecfba7b478e6197ef7c3fbb6faeac4bf.1594746074.git.petrm@mellanox.com>
Date: Tue, 14 Jul 2020 20:03:08 +0300
From: Petr Machata <petrm@...lanox.com>
To: netdev@...r.kernel.org
Cc: David Miller <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Cong Wang <xiyou.wangcong@...il.com>,
Ido Schimmel <idosch@...lanox.com>,
Jiri Pirko <jiri@...lanox.com>,
Eric Dumazet <eric.dumazet@...il.com>,
Petr Machata <petrm@...lanox.com>
Subject: [PATCH net-next v3 2/2] Revert "net: sched: Pass root lock to Qdisc_ops.enqueue"
This reverts commit aebe4426ccaa4838f36ea805cdf7d76503e65117.
Signed-off-by: Petr Machata <petrm@...lanox.com>
---
Notes:
v3:
- Add a S-o-b.
v2:
- Turn this into a proper revert. No actual changes.
include/net/sch_generic.h | 6 ++----
net/core/dev.c | 4 ++--
net/sched/sch_atm.c | 4 ++--
net/sched/sch_blackhole.c | 2 +-
net/sched/sch_cake.c | 2 +-
net/sched/sch_cbq.c | 4 ++--
net/sched/sch_cbs.c | 18 +++++++++---------
net/sched/sch_choke.c | 2 +-
net/sched/sch_codel.c | 2 +-
net/sched/sch_drr.c | 4 ++--
net/sched/sch_dsmark.c | 4 ++--
net/sched/sch_etf.c | 2 +-
net/sched/sch_ets.c | 4 ++--
net/sched/sch_fifo.c | 6 +++---
net/sched/sch_fq.c | 2 +-
net/sched/sch_fq_codel.c | 2 +-
net/sched/sch_fq_pie.c | 2 +-
net/sched/sch_generic.c | 4 ++--
net/sched/sch_gred.c | 2 +-
net/sched/sch_hfsc.c | 6 +++---
net/sched/sch_hhf.c | 2 +-
net/sched/sch_htb.c | 4 ++--
net/sched/sch_multiq.c | 4 ++--
net/sched/sch_netem.c | 8 ++++----
net/sched/sch_pie.c | 2 +-
net/sched/sch_plug.c | 2 +-
net/sched/sch_prio.c | 6 +++---
net/sched/sch_qfq.c | 4 ++--
net/sched/sch_red.c | 4 ++--
net/sched/sch_sfb.c | 4 ++--
net/sched/sch_sfq.c | 2 +-
net/sched/sch_skbprio.c | 2 +-
net/sched/sch_taprio.c | 4 ++--
net/sched/sch_tbf.c | 10 +++++-----
net/sched/sch_teql.c | 4 ++--
35 files changed, 71 insertions(+), 73 deletions(-)
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index fceb3d63c925..c510b03b9751 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -57,7 +57,6 @@ struct qdisc_skb_head {
struct Qdisc {
int (*enqueue)(struct sk_buff *skb,
struct Qdisc *sch,
- spinlock_t *root_lock,
struct sk_buff **to_free);
struct sk_buff * (*dequeue)(struct Qdisc *sch);
unsigned int flags;
@@ -242,7 +241,6 @@ struct Qdisc_ops {
int (*enqueue)(struct sk_buff *skb,
struct Qdisc *sch,
- spinlock_t *root_lock,
struct sk_buff **to_free);
struct sk_buff * (*dequeue)(struct Qdisc *);
struct sk_buff * (*peek)(struct Qdisc *);
@@ -790,11 +788,11 @@ static inline void qdisc_calculate_pkt_len(struct sk_buff *skb,
#endif
}
-static inline int qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static inline int qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
qdisc_calculate_pkt_len(skb, sch);
- return sch->enqueue(skb, sch, root_lock, to_free);
+ return sch->enqueue(skb, sch, to_free);
}
static inline void _bstats_update(struct gnet_stats_basic_packed *bstats,
diff --git a/net/core/dev.c b/net/core/dev.c
index b61075828358..062a00fdca9b 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3749,7 +3749,7 @@ static inline int __dev_xmit_skb(struct sk_buff *skb, struct Qdisc *q,
qdisc_calculate_pkt_len(skb, q);
if (q->flags & TCQ_F_NOLOCK) {
- rc = q->enqueue(skb, q, NULL, &to_free) & NET_XMIT_MASK;
+ rc = q->enqueue(skb, q, &to_free) & NET_XMIT_MASK;
qdisc_run(q);
if (unlikely(to_free))
@@ -3792,7 +3792,7 @@ static inline int __dev_xmit_skb(struct sk_buff *skb, struct Qdisc *q,
qdisc_run_end(q);
rc = NET_XMIT_SUCCESS;
} else {
- rc = q->enqueue(skb, q, root_lock, &to_free) & NET_XMIT_MASK;
+ rc = q->enqueue(skb, q, &to_free) & NET_XMIT_MASK;
if (qdisc_run_begin(q)) {
if (unlikely(contended)) {
spin_unlock(&q->busylock);
diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c
index 1d5e422d9be2..1c281cc81f57 100644
--- a/net/sched/sch_atm.c
+++ b/net/sched/sch_atm.c
@@ -374,7 +374,7 @@ static struct tcf_block *atm_tc_tcf_block(struct Qdisc *sch, unsigned long cl,
/* --------------------------- Qdisc operations ---------------------------- */
-static int atm_tc_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int atm_tc_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
struct atm_qdisc_data *p = qdisc_priv(sch);
@@ -432,7 +432,7 @@ static int atm_tc_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *ro
#endif
}
- ret = qdisc_enqueue(skb, flow->q, root_lock, to_free);
+ ret = qdisc_enqueue(skb, flow->q, to_free);
if (ret != NET_XMIT_SUCCESS) {
drop: __maybe_unused
if (net_xmit_drop_count(ret)) {
diff --git a/net/sched/sch_blackhole.c b/net/sched/sch_blackhole.c
index 187644657c4f..a7f7667ae984 100644
--- a/net/sched/sch_blackhole.c
+++ b/net/sched/sch_blackhole.c
@@ -13,7 +13,7 @@
#include <linux/skbuff.h>
#include <net/pkt_sched.h>
-static int blackhole_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int blackhole_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
qdisc_drop(skb, sch, to_free);
diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c
index b3cdcd86cbfd..561d20c9adca 100644
--- a/net/sched/sch_cake.c
+++ b/net/sched/sch_cake.c
@@ -1687,7 +1687,7 @@ static u32 cake_classify(struct Qdisc *sch, struct cake_tin_data **t,
static void cake_reconfigure(struct Qdisc *sch);
-static s32 cake_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static s32 cake_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
struct cake_sched_data *q = qdisc_priv(sch);
diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
index 9e16fdf47fe7..b2130df933a7 100644
--- a/net/sched/sch_cbq.c
+++ b/net/sched/sch_cbq.c
@@ -356,7 +356,7 @@ cbq_mark_toplevel(struct cbq_sched_data *q, struct cbq_class *cl)
}
static int
-cbq_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+cbq_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
struct cbq_sched_data *q = qdisc_priv(sch);
@@ -373,7 +373,7 @@ cbq_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
return ret;
}
- ret = qdisc_enqueue(skb, cl->q, root_lock, to_free);
+ ret = qdisc_enqueue(skb, cl->q, to_free);
if (ret == NET_XMIT_SUCCESS) {
sch->q.qlen++;
cbq_mark_toplevel(q, cl);
diff --git a/net/sched/sch_cbs.c b/net/sched/sch_cbs.c
index 7af15ebe07f7..2eaac2ff380f 100644
--- a/net/sched/sch_cbs.c
+++ b/net/sched/sch_cbs.c
@@ -77,7 +77,7 @@ struct cbs_sched_data {
s64 sendslope; /* in bytes/s */
s64 idleslope; /* in bytes/s */
struct qdisc_watchdog watchdog;
- int (*enqueue)(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+ int (*enqueue)(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free);
struct sk_buff *(*dequeue)(struct Qdisc *sch);
struct Qdisc *qdisc;
@@ -85,13 +85,13 @@ struct cbs_sched_data {
};
static int cbs_child_enqueue(struct sk_buff *skb, struct Qdisc *sch,
- struct Qdisc *child, spinlock_t *root_lock,
+ struct Qdisc *child,
struct sk_buff **to_free)
{
unsigned int len = qdisc_pkt_len(skb);
int err;
- err = child->ops->enqueue(skb, child, root_lock, to_free);
+ err = child->ops->enqueue(skb, child, to_free);
if (err != NET_XMIT_SUCCESS)
return err;
@@ -101,16 +101,16 @@ static int cbs_child_enqueue(struct sk_buff *skb, struct Qdisc *sch,
return NET_XMIT_SUCCESS;
}
-static int cbs_enqueue_offload(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int cbs_enqueue_offload(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
struct cbs_sched_data *q = qdisc_priv(sch);
struct Qdisc *qdisc = q->qdisc;
- return cbs_child_enqueue(skb, sch, qdisc, root_lock, to_free);
+ return cbs_child_enqueue(skb, sch, qdisc, to_free);
}
-static int cbs_enqueue_soft(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int cbs_enqueue_soft(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
struct cbs_sched_data *q = qdisc_priv(sch);
@@ -124,15 +124,15 @@ static int cbs_enqueue_soft(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *
q->last = ktime_get_ns();
}
- return cbs_child_enqueue(skb, sch, qdisc, root_lock, to_free);
+ return cbs_child_enqueue(skb, sch, qdisc, to_free);
}
-static int cbs_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int cbs_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
struct cbs_sched_data *q = qdisc_priv(sch);
- return q->enqueue(skb, sch, root_lock, to_free);
+ return q->enqueue(skb, sch, to_free);
}
/* timediff is in ns, slope is in bytes/s */
diff --git a/net/sched/sch_choke.c b/net/sched/sch_choke.c
index baf3faee31aa..bd618b00d319 100644
--- a/net/sched/sch_choke.c
+++ b/net/sched/sch_choke.c
@@ -210,7 +210,7 @@ static bool choke_match_random(const struct choke_sched_data *q,
return choke_match_flow(oskb, nskb);
}
-static int choke_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int choke_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
struct choke_sched_data *q = qdisc_priv(sch);
diff --git a/net/sched/sch_codel.c b/net/sched/sch_codel.c
index 1d94837abdd8..30169b3adbbb 100644
--- a/net/sched/sch_codel.c
+++ b/net/sched/sch_codel.c
@@ -108,7 +108,7 @@ static struct sk_buff *codel_qdisc_dequeue(struct Qdisc *sch)
return skb;
}
-static int codel_qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int codel_qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
struct codel_sched_data *q;
diff --git a/net/sched/sch_drr.c b/net/sched/sch_drr.c
index ad14df2ecf3a..dde564670ad8 100644
--- a/net/sched/sch_drr.c
+++ b/net/sched/sch_drr.c
@@ -337,7 +337,7 @@ static struct drr_class *drr_classify(struct sk_buff *skb, struct Qdisc *sch,
return NULL;
}
-static int drr_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int drr_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
unsigned int len = qdisc_pkt_len(skb);
@@ -355,7 +355,7 @@ static int drr_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_
}
first = !cl->qdisc->q.qlen;
- err = qdisc_enqueue(skb, cl->qdisc, root_lock, to_free);
+ err = qdisc_enqueue(skb, cl->qdisc, to_free);
if (unlikely(err != NET_XMIT_SUCCESS)) {
if (net_xmit_drop_count(err)) {
cl->qstats.drops++;
diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c
index 76a9c4f277f2..2b88710994d7 100644
--- a/net/sched/sch_dsmark.c
+++ b/net/sched/sch_dsmark.c
@@ -198,7 +198,7 @@ static struct tcf_block *dsmark_tcf_block(struct Qdisc *sch, unsigned long cl,
/* --------------------------- Qdisc operations ---------------------------- */
-static int dsmark_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int dsmark_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
unsigned int len = qdisc_pkt_len(skb);
@@ -267,7 +267,7 @@ static int dsmark_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *ro
}
}
- err = qdisc_enqueue(skb, p->q, root_lock, to_free);
+ err = qdisc_enqueue(skb, p->q, to_free);
if (err != NET_XMIT_SUCCESS) {
if (net_xmit_drop_count(err))
qdisc_qstats_drop(sch);
diff --git a/net/sched/sch_etf.c b/net/sched/sch_etf.c
index 7a7c50a68115..c48f91075b5c 100644
--- a/net/sched/sch_etf.c
+++ b/net/sched/sch_etf.c
@@ -160,7 +160,7 @@ static void report_sock_error(struct sk_buff *skb, u32 err, u8 code)
}
static int etf_enqueue_timesortedlist(struct sk_buff *nskb, struct Qdisc *sch,
- spinlock_t *root_lock, struct sk_buff **to_free)
+ struct sk_buff **to_free)
{
struct etf_sched_data *q = qdisc_priv(sch);
struct rb_node **p = &q->head.rb_root.rb_node, *parent = NULL;
diff --git a/net/sched/sch_ets.c b/net/sched/sch_ets.c
index 1af86f30b18e..c1e84d1eeaba 100644
--- a/net/sched/sch_ets.c
+++ b/net/sched/sch_ets.c
@@ -415,7 +415,7 @@ static struct ets_class *ets_classify(struct sk_buff *skb, struct Qdisc *sch,
return &q->classes[band];
}
-static int ets_qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int ets_qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
unsigned int len = qdisc_pkt_len(skb);
@@ -433,7 +433,7 @@ static int ets_qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t
}
first = !cl->qdisc->q.qlen;
- err = qdisc_enqueue(skb, cl->qdisc, root_lock, to_free);
+ err = qdisc_enqueue(skb, cl->qdisc, to_free);
if (unlikely(err != NET_XMIT_SUCCESS)) {
if (net_xmit_drop_count(err)) {
cl->qstats.drops++;
diff --git a/net/sched/sch_fifo.c b/net/sched/sch_fifo.c
index b4da5b624ad8..a579a4131d22 100644
--- a/net/sched/sch_fifo.c
+++ b/net/sched/sch_fifo.c
@@ -16,7 +16,7 @@
/* 1 band FIFO pseudo-"scheduler" */
-static int bfifo_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int bfifo_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
if (likely(sch->qstats.backlog + qdisc_pkt_len(skb) <= sch->limit))
@@ -25,7 +25,7 @@ static int bfifo_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *roo
return qdisc_drop(skb, sch, to_free);
}
-static int pfifo_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int pfifo_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
if (likely(sch->q.qlen < sch->limit))
@@ -34,7 +34,7 @@ static int pfifo_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *roo
return qdisc_drop(skb, sch, to_free);
}
-static int pfifo_tail_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int pfifo_tail_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
unsigned int prev_backlog;
diff --git a/net/sched/sch_fq.c b/net/sched/sch_fq.c
index a90d745c41e0..2fb76fc0cc31 100644
--- a/net/sched/sch_fq.c
+++ b/net/sched/sch_fq.c
@@ -439,7 +439,7 @@ static bool fq_packet_beyond_horizon(const struct sk_buff *skb,
return unlikely((s64)skb->tstamp > (s64)(q->ktime_cache + q->horizon));
}
-static int fq_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int fq_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
struct fq_sched_data *q = qdisc_priv(sch);
diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c
index bca016ffc069..3106653c17f3 100644
--- a/net/sched/sch_fq_codel.c
+++ b/net/sched/sch_fq_codel.c
@@ -181,7 +181,7 @@ static unsigned int fq_codel_drop(struct Qdisc *sch, unsigned int max_packets,
return idx;
}
-static int fq_codel_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int fq_codel_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
struct fq_codel_sched_data *q = qdisc_priv(sch);
diff --git a/net/sched/sch_fq_pie.c b/net/sched/sch_fq_pie.c
index 741840b9994f..f98c74018805 100644
--- a/net/sched/sch_fq_pie.c
+++ b/net/sched/sch_fq_pie.c
@@ -125,7 +125,7 @@ static inline void flow_queue_add(struct fq_pie_flow *flow,
skb->next = NULL;
}
-static int fq_pie_qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int fq_pie_qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
struct fq_pie_sched_data *q = qdisc_priv(sch);
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 715cde1df9e4..265a61d011df 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -520,7 +520,7 @@ EXPORT_SYMBOL(netif_carrier_off);
cheaper.
*/
-static int noop_enqueue(struct sk_buff *skb, struct Qdisc *qdisc, spinlock_t *root_lock,
+static int noop_enqueue(struct sk_buff *skb, struct Qdisc *qdisc,
struct sk_buff **to_free)
{
__qdisc_drop(skb, to_free);
@@ -614,7 +614,7 @@ static inline struct skb_array *band2list(struct pfifo_fast_priv *priv,
return &priv->q[band];
}
-static int pfifo_fast_enqueue(struct sk_buff *skb, struct Qdisc *qdisc, spinlock_t *root_lock,
+static int pfifo_fast_enqueue(struct sk_buff *skb, struct Qdisc *qdisc,
struct sk_buff **to_free)
{
int band = prio2band[skb->priority & TC_PRIO_MAX];
diff --git a/net/sched/sch_gred.c b/net/sched/sch_gred.c
index 7d67c6cd6605..8599c6f31b05 100644
--- a/net/sched/sch_gred.c
+++ b/net/sched/sch_gred.c
@@ -161,7 +161,7 @@ static bool gred_per_vq_red_flags_used(struct gred_sched *table)
return false;
}
-static int gred_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int gred_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
struct gred_sched_data *q = NULL;
diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index 13ba8648bb63..0f5f121404f3 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -1528,8 +1528,8 @@ hfsc_dump_qdisc(struct Qdisc *sch, struct sk_buff *skb)
return -1;
}
-static int hfsc_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
- struct sk_buff **to_free)
+static int
+hfsc_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free)
{
unsigned int len = qdisc_pkt_len(skb);
struct hfsc_class *cl;
@@ -1545,7 +1545,7 @@ static int hfsc_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root
}
first = !cl->qdisc->q.qlen;
- err = qdisc_enqueue(skb, cl->qdisc, root_lock, to_free);
+ err = qdisc_enqueue(skb, cl->qdisc, to_free);
if (unlikely(err != NET_XMIT_SUCCESS)) {
if (net_xmit_drop_count(err)) {
cl->qstats.drops++;
diff --git a/net/sched/sch_hhf.c b/net/sched/sch_hhf.c
index ddc6bf1d85d0..420ede875322 100644
--- a/net/sched/sch_hhf.c
+++ b/net/sched/sch_hhf.c
@@ -368,7 +368,7 @@ static unsigned int hhf_drop(struct Qdisc *sch, struct sk_buff **to_free)
return bucket - q->buckets;
}
-static int hhf_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int hhf_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
struct hhf_sched_data *q = qdisc_priv(sch);
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index b07f29059f47..ba37defaca7a 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -576,7 +576,7 @@ static inline void htb_deactivate(struct htb_sched *q, struct htb_class *cl)
cl->prio_activity = 0;
}
-static int htb_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int htb_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
int uninitialized_var(ret);
@@ -599,7 +599,7 @@ static int htb_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_
__qdisc_drop(skb, to_free);
return ret;
#endif
- } else if ((ret = qdisc_enqueue(skb, cl->leaf.q, root_lock,
+ } else if ((ret = qdisc_enqueue(skb, cl->leaf.q,
to_free)) != NET_XMIT_SUCCESS) {
if (net_xmit_drop_count(ret)) {
qdisc_qstats_drop(sch);
diff --git a/net/sched/sch_multiq.c b/net/sched/sch_multiq.c
index 56bdc4bcdc63..5c27b4270b90 100644
--- a/net/sched/sch_multiq.c
+++ b/net/sched/sch_multiq.c
@@ -57,7 +57,7 @@ multiq_classify(struct sk_buff *skb, struct Qdisc *sch, int *qerr)
}
static int
-multiq_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+multiq_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
struct Qdisc *qdisc;
@@ -74,7 +74,7 @@ multiq_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
}
#endif
- ret = qdisc_enqueue(skb, qdisc, root_lock, to_free);
+ ret = qdisc_enqueue(skb, qdisc, to_free);
if (ret == NET_XMIT_SUCCESS) {
sch->q.qlen++;
return NET_XMIT_SUCCESS;
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index 8fb17483a34f..84f82771cdf5 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -431,7 +431,7 @@ static struct sk_buff *netem_segment(struct sk_buff *skb, struct Qdisc *sch,
* NET_XMIT_DROP: queue length didn't change.
* NET_XMIT_SUCCESS: one skb was queued.
*/
-static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
struct netem_sched_data *q = qdisc_priv(sch);
@@ -480,7 +480,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *roo
u32 dupsave = q->duplicate; /* prevent duplicating a dup... */
q->duplicate = 0;
- rootq->enqueue(skb2, rootq, root_lock, to_free);
+ rootq->enqueue(skb2, rootq, to_free);
q->duplicate = dupsave;
rc_drop = NET_XMIT_SUCCESS;
}
@@ -604,7 +604,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *roo
skb_mark_not_on_list(segs);
qdisc_skb_cb(segs)->pkt_len = segs->len;
last_len = segs->len;
- rc = qdisc_enqueue(segs, sch, root_lock, to_free);
+ rc = qdisc_enqueue(segs, sch, to_free);
if (rc != NET_XMIT_SUCCESS) {
if (net_xmit_drop_count(rc))
qdisc_qstats_drop(sch);
@@ -720,7 +720,7 @@ static struct sk_buff *netem_dequeue(struct Qdisc *sch)
struct sk_buff *to_free = NULL;
int err;
- err = qdisc_enqueue(skb, q->qdisc, NULL, &to_free);
+ err = qdisc_enqueue(skb, q->qdisc, &to_free);
kfree_skb_list(to_free);
if (err != NET_XMIT_SUCCESS &&
net_xmit_drop_count(err)) {
diff --git a/net/sched/sch_pie.c b/net/sched/sch_pie.c
index b305313b64e3..c65077f0c0f3 100644
--- a/net/sched/sch_pie.c
+++ b/net/sched/sch_pie.c
@@ -82,7 +82,7 @@ bool pie_drop_early(struct Qdisc *sch, struct pie_params *params,
}
EXPORT_SYMBOL_GPL(pie_drop_early);
-static int pie_qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int pie_qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
struct pie_sched_data *q = qdisc_priv(sch);
diff --git a/net/sched/sch_plug.c b/net/sched/sch_plug.c
index e5f8b4769b4d..cbc2ebca4548 100644
--- a/net/sched/sch_plug.c
+++ b/net/sched/sch_plug.c
@@ -84,7 +84,7 @@ struct plug_sched_data {
u32 pkts_to_release;
};
-static int plug_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int plug_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
struct plug_sched_data *q = qdisc_priv(sch);
diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c
index 46b7ce81c6e3..3eabb871a1d5 100644
--- a/net/sched/sch_prio.c
+++ b/net/sched/sch_prio.c
@@ -65,8 +65,8 @@ prio_classify(struct sk_buff *skb, struct Qdisc *sch, int *qerr)
return q->queues[band];
}
-static int prio_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
- struct sk_buff **to_free)
+static int
+prio_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free)
{
unsigned int len = qdisc_pkt_len(skb);
struct Qdisc *qdisc;
@@ -83,7 +83,7 @@ static int prio_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root
}
#endif
- ret = qdisc_enqueue(skb, qdisc, root_lock, to_free);
+ ret = qdisc_enqueue(skb, qdisc, to_free);
if (ret == NET_XMIT_SUCCESS) {
sch->qstats.backlog += len;
sch->q.qlen++;
diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c
index 3cfe6262eb00..6335230a971e 100644
--- a/net/sched/sch_qfq.c
+++ b/net/sched/sch_qfq.c
@@ -1194,7 +1194,7 @@ static struct qfq_aggregate *qfq_choose_next_agg(struct qfq_sched *q)
return agg;
}
-static int qfq_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int qfq_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
unsigned int len = qdisc_pkt_len(skb), gso_segs;
@@ -1225,7 +1225,7 @@ static int qfq_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_
gso_segs = skb_is_gso(skb) ? skb_shinfo(skb)->gso_segs : 1;
first = !cl->qdisc->q.qlen;
- err = qdisc_enqueue(skb, cl->qdisc, root_lock, to_free);
+ err = qdisc_enqueue(skb, cl->qdisc, to_free);
if (unlikely(err != NET_XMIT_SUCCESS)) {
pr_debug("qfq_enqueue: enqueue failed %d\n", err);
if (net_xmit_drop_count(err)) {
diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c
index a79602f7fab8..4cc0ad0b1189 100644
--- a/net/sched/sch_red.c
+++ b/net/sched/sch_red.c
@@ -67,7 +67,7 @@ static int red_use_nodrop(struct red_sched_data *q)
return q->flags & TC_RED_NODROP;
}
-static int red_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int red_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
struct red_sched_data *q = qdisc_priv(sch);
@@ -126,7 +126,7 @@ static int red_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_
break;
}
- ret = qdisc_enqueue(skb, child, root_lock, to_free);
+ ret = qdisc_enqueue(skb, child, to_free);
if (likely(ret == NET_XMIT_SUCCESS)) {
qdisc_qstats_backlog_inc(sch, skb);
sch->q.qlen++;
diff --git a/net/sched/sch_sfb.c b/net/sched/sch_sfb.c
index 356f6d1d30db..da047a37a3bf 100644
--- a/net/sched/sch_sfb.c
+++ b/net/sched/sch_sfb.c
@@ -276,7 +276,7 @@ static bool sfb_classify(struct sk_buff *skb, struct tcf_proto *fl,
return false;
}
-static int sfb_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int sfb_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
@@ -399,7 +399,7 @@ static int sfb_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_
}
enqueue:
- ret = qdisc_enqueue(skb, child, root_lock, to_free);
+ ret = qdisc_enqueue(skb, child, to_free);
if (likely(ret == NET_XMIT_SUCCESS)) {
qdisc_qstats_backlog_inc(sch, skb);
sch->q.qlen++;
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index a1314510dc69..cae5dbbadc1c 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -343,7 +343,7 @@ static int sfq_headdrop(const struct sfq_sched_data *q)
}
static int
-sfq_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock, struct sk_buff **to_free)
+sfq_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free)
{
struct sfq_sched_data *q = qdisc_priv(sch);
unsigned int hash, dropped;
diff --git a/net/sched/sch_skbprio.c b/net/sched/sch_skbprio.c
index f75f237c4436..7a5e4c454715 100644
--- a/net/sched/sch_skbprio.c
+++ b/net/sched/sch_skbprio.c
@@ -65,7 +65,7 @@ static u16 calc_new_low_prio(const struct skbprio_sched_data *q)
return SKBPRIO_MAX_PRIORITY - 1;
}
-static int skbprio_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int skbprio_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
const unsigned int max_priority = SKBPRIO_MAX_PRIORITY - 1;
diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c
index daef2ff60a98..e981992634dd 100644
--- a/net/sched/sch_taprio.c
+++ b/net/sched/sch_taprio.c
@@ -410,7 +410,7 @@ static long get_packet_txtime(struct sk_buff *skb, struct Qdisc *sch)
return txtime;
}
-static int taprio_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int taprio_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
struct taprio_sched *q = qdisc_priv(sch);
@@ -435,7 +435,7 @@ static int taprio_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *ro
qdisc_qstats_backlog_inc(sch, skb);
sch->q.qlen++;
- return qdisc_enqueue(skb, child, root_lock, to_free);
+ return qdisc_enqueue(skb, child, to_free);
}
static struct sk_buff *taprio_peek_soft(struct Qdisc *sch)
diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c
index c3eb5cdb83a8..78e79029dc63 100644
--- a/net/sched/sch_tbf.c
+++ b/net/sched/sch_tbf.c
@@ -187,7 +187,7 @@ static int tbf_offload_dump(struct Qdisc *sch)
/* GSO packet is too big, segment it so that tbf can transmit
* each segment in time
*/
-static int tbf_segment(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int tbf_segment(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
struct tbf_sched_data *q = qdisc_priv(sch);
@@ -206,7 +206,7 @@ static int tbf_segment(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_
skb_mark_not_on_list(segs);
qdisc_skb_cb(segs)->pkt_len = segs->len;
len += segs->len;
- ret = qdisc_enqueue(segs, q->qdisc, root_lock, to_free);
+ ret = qdisc_enqueue(segs, q->qdisc, to_free);
if (ret != NET_XMIT_SUCCESS) {
if (net_xmit_drop_count(ret))
qdisc_qstats_drop(sch);
@@ -221,7 +221,7 @@ static int tbf_segment(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_
return nb > 0 ? NET_XMIT_SUCCESS : NET_XMIT_DROP;
}
-static int tbf_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
+static int tbf_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
struct tbf_sched_data *q = qdisc_priv(sch);
@@ -231,10 +231,10 @@ static int tbf_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_
if (qdisc_pkt_len(skb) > q->max_size) {
if (skb_is_gso(skb) &&
skb_gso_validate_mac_len(skb, q->max_size))
- return tbf_segment(skb, sch, root_lock, to_free);
+ return tbf_segment(skb, sch, to_free);
return qdisc_drop(skb, sch, to_free);
}
- ret = qdisc_enqueue(skb, q->qdisc, root_lock, to_free);
+ ret = qdisc_enqueue(skb, q->qdisc, to_free);
if (ret != NET_XMIT_SUCCESS) {
if (net_xmit_drop_count(ret))
qdisc_qstats_drop(sch);
diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c
index b586eec2eaeb..2f1f0a378408 100644
--- a/net/sched/sch_teql.c
+++ b/net/sched/sch_teql.c
@@ -72,8 +72,8 @@ struct teql_sched_data {
/* "teql*" qdisc routines */
-static int teql_enqueue(struct sk_buff *skb, struct Qdisc *sch, spinlock_t *root_lock,
- struct sk_buff **to_free)
+static int
+teql_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free)
{
struct net_device *dev = qdisc_dev(sch);
struct teql_sched_data *q = qdisc_priv(sch);
--
2.20.1
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