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-rw-r--r--net/sched/cls_cgroup.c6
-rw-r--r--net/sched/cls_flow.c8
-rw-r--r--net/sched/cls_route.c2
-rw-r--r--net/sched/em_meta.c8
-rw-r--r--net/sched/sch_api.c4
-rw-r--r--net/sched/sch_cbq.c4
-rw-r--r--net/sched/sch_generic.c40
-rw-r--r--net/sched/sch_hfsc.c8
-rw-r--r--net/sched/sch_sfq.c2
-rw-r--r--net/sched/sch_teql.c26
10 files changed, 60 insertions, 48 deletions
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index e5becb92b3e7..e4877ca6727c 100644
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -62,13 +62,7 @@ static u64 read_classid(struct cgroup *cgrp, struct cftype *cft)
static int write_classid(struct cgroup *cgrp, struct cftype *cft, u64 value)
{
- if (!cgroup_lock_live_group(cgrp))
- return -ENODEV;
-
cgrp_cls_state(cgrp)->classid = (u32) value;
-
- cgroup_unlock();
-
return 0;
}
diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c
index 0ef4e3065bcd..9402a7fd3785 100644
--- a/net/sched/cls_flow.c
+++ b/net/sched/cls_flow.c
@@ -84,7 +84,7 @@ static u32 flow_get_dst(const struct sk_buff *skb)
case htons(ETH_P_IPV6):
return ntohl(ipv6_hdr(skb)->daddr.s6_addr32[3]);
default:
- return addr_fold(skb->dst) ^ (__force u16)skb->protocol;
+ return addr_fold(skb_dst(skb)) ^ (__force u16)skb->protocol;
}
}
@@ -163,7 +163,7 @@ static u32 flow_get_proto_dst(const struct sk_buff *skb)
break;
}
default:
- res = addr_fold(skb->dst) ^ (__force u16)skb->protocol;
+ res = addr_fold(skb_dst(skb)) ^ (__force u16)skb->protocol;
}
return res;
@@ -251,8 +251,8 @@ fallback:
static u32 flow_get_rtclassid(const struct sk_buff *skb)
{
#ifdef CONFIG_NET_CLS_ROUTE
- if (skb->dst)
- return skb->dst->tclassid;
+ if (skb_dst(skb))
+ return skb_dst(skb)->tclassid;
#endif
return 0;
}
diff --git a/net/sched/cls_route.c b/net/sched/cls_route.c
index bdf1f4172eef..dd872d5383ef 100644
--- a/net/sched/cls_route.c
+++ b/net/sched/cls_route.c
@@ -137,7 +137,7 @@ static int route4_classify(struct sk_buff *skb, struct tcf_proto *tp,
u32 id, h;
int iif, dont_cache = 0;
- if ((dst = skb->dst) == NULL)
+ if ((dst = skb_dst(skb)) == NULL)
goto failure;
id = dst->tclassid;
diff --git a/net/sched/em_meta.c b/net/sched/em_meta.c
index fad596bf32d7..266151ae85a3 100644
--- a/net/sched/em_meta.c
+++ b/net/sched/em_meta.c
@@ -246,11 +246,11 @@ META_COLLECTOR(int_tcindex)
META_COLLECTOR(int_rtclassid)
{
- if (unlikely(skb->dst == NULL))
+ if (unlikely(skb_dst(skb) == NULL))
*err = -1;
else
#ifdef CONFIG_NET_CLS_ROUTE
- dst->value = skb->dst->tclassid;
+ dst->value = skb_dst(skb)->tclassid;
#else
dst->value = 0;
#endif
@@ -258,10 +258,10 @@ META_COLLECTOR(int_rtclassid)
META_COLLECTOR(int_rtiif)
{
- if (unlikely(skb->rtable == NULL))
+ if (unlikely(skb_rtable(skb) == NULL))
*err = -1;
else
- dst->value = skb->rtable->fl.iif;
+ dst->value = skb_rtable(skb)->fl.iif;
}
/**************************************************************************
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 32009793307b..24d17ce9c294 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -484,7 +484,7 @@ void qdisc_watchdog_schedule(struct qdisc_watchdog *wd, psched_time_t expires)
wd->qdisc->flags |= TCQ_F_THROTTLED;
time = ktime_set(0, 0);
- time = ktime_add_ns(time, PSCHED_US2NS(expires));
+ time = ktime_add_ns(time, PSCHED_TICKS2NS(expires));
hrtimer_start(&wd->timer, time, HRTIMER_MODE_ABS);
}
EXPORT_SYMBOL(qdisc_watchdog_schedule);
@@ -1680,7 +1680,7 @@ static int psched_show(struct seq_file *seq, void *v)
hrtimer_get_res(CLOCK_MONOTONIC, &ts);
seq_printf(seq, "%08x %08x %08x %08x\n",
- (u32)NSEC_PER_USEC, (u32)PSCHED_US2NS(1),
+ (u32)NSEC_PER_USEC, (u32)PSCHED_TICKS2NS(1),
1000000,
(u32)NSEC_PER_SEC/(u32)ktime_to_ns(timespec_to_ktime(ts)));
diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
index d728d8111732..23a167670fd5 100644
--- a/net/sched/sch_cbq.c
+++ b/net/sched/sch_cbq.c
@@ -509,7 +509,7 @@ static void cbq_ovl_delay(struct cbq_class *cl)
q->pmask |= (1<<TC_CBQ_MAXPRIO);
expires = ktime_set(0, 0);
- expires = ktime_add_ns(expires, PSCHED_US2NS(sched));
+ expires = ktime_add_ns(expires, PSCHED_TICKS2NS(sched));
if (hrtimer_try_to_cancel(&q->delay_timer) &&
ktime_to_ns(ktime_sub(
hrtimer_get_expires(&q->delay_timer),
@@ -620,7 +620,7 @@ static enum hrtimer_restart cbq_undelay(struct hrtimer *timer)
ktime_t time;
time = ktime_set(0, 0);
- time = ktime_add_ns(time, PSCHED_US2NS(now + delay));
+ time = ktime_add_ns(time, PSCHED_TICKS2NS(now + delay));
hrtimer_start(&q->delay_timer, time, HRTIMER_MODE_ABS);
}
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 5f5efe4e6072..27d03816ec3e 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -196,6 +196,21 @@ void __qdisc_run(struct Qdisc *q)
clear_bit(__QDISC_STATE_RUNNING, &q->state);
}
+unsigned long dev_trans_start(struct net_device *dev)
+{
+ unsigned long val, res = dev->trans_start;
+ unsigned int i;
+
+ for (i = 0; i < dev->num_tx_queues; i++) {
+ val = netdev_get_tx_queue(dev, i)->trans_start;
+ if (val && time_after(val, res))
+ res = val;
+ }
+ dev->trans_start = res;
+ return res;
+}
+EXPORT_SYMBOL(dev_trans_start);
+
static void dev_watchdog(unsigned long arg)
{
struct net_device *dev = (struct net_device *)arg;
@@ -205,25 +220,30 @@ static void dev_watchdog(unsigned long arg)
if (netif_device_present(dev) &&
netif_running(dev) &&
netif_carrier_ok(dev)) {
- int some_queue_stopped = 0;
+ int some_queue_timedout = 0;
unsigned int i;
+ unsigned long trans_start;
for (i = 0; i < dev->num_tx_queues; i++) {
struct netdev_queue *txq;
txq = netdev_get_tx_queue(dev, i);
- if (netif_tx_queue_stopped(txq)) {
- some_queue_stopped = 1;
+ /*
+ * old device drivers set dev->trans_start
+ */
+ trans_start = txq->trans_start ? : dev->trans_start;
+ if (netif_tx_queue_stopped(txq) &&
+ time_after(jiffies, (trans_start +
+ dev->watchdog_timeo))) {
+ some_queue_timedout = 1;
break;
}
}
- if (some_queue_stopped &&
- time_after(jiffies, (dev->trans_start +
- dev->watchdog_timeo))) {
+ if (some_queue_timedout) {
char drivername[64];
- WARN_ONCE(1, KERN_INFO "NETDEV WATCHDOG: %s (%s): transmit timed out\n",
- dev->name, netdev_drivername(dev, drivername, 64));
+ WARN_ONCE(1, KERN_INFO "NETDEV WATCHDOG: %s (%s): transmit queue %u timed out\n",
+ dev->name, netdev_drivername(dev, drivername, 64), i);
dev->netdev_ops->ndo_tx_timeout(dev);
}
if (!mod_timer(&dev->watchdog_timer,
@@ -602,8 +622,10 @@ static void transition_one_qdisc(struct net_device *dev,
clear_bit(__QDISC_STATE_DEACTIVATED, &new_qdisc->state);
rcu_assign_pointer(dev_queue->qdisc, new_qdisc);
- if (need_watchdog_p && new_qdisc != &noqueue_qdisc)
+ if (need_watchdog_p && new_qdisc != &noqueue_qdisc) {
+ dev_queue->trans_start = 0;
*need_watchdog_p = 1;
+ }
}
void dev_activate(struct net_device *dev)
diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index 5022f9c1f34b..362c2811b2df 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -372,7 +372,7 @@ cftree_update(struct hfsc_class *cl)
* ism: (psched_us/byte) << ISM_SHIFT
* dx: psched_us
*
- * The clock source resolution with ktime is 1.024us.
+ * The clock source resolution with ktime and PSCHED_SHIFT 10 is 1.024us.
*
* sm and ism are scaled in order to keep effective digits.
* SM_SHIFT and ISM_SHIFT are selected to keep at least 4 effective
@@ -383,9 +383,11 @@ cftree_update(struct hfsc_class *cl)
* bytes/1.024us 12.8e-3 128e-3 1280e-3 12800e-3 128000e-3
*
* 1.024us/byte 78.125 7.8125 0.78125 0.078125 0.0078125
+ *
+ * So, for PSCHED_SHIFT 10 we need: SM_SHIFT 20, ISM_SHIFT 18.
*/
-#define SM_SHIFT 20
-#define ISM_SHIFT 18
+#define SM_SHIFT (30 - PSCHED_SHIFT)
+#define ISM_SHIFT (8 + PSCHED_SHIFT)
#define SM_MASK ((1ULL << SM_SHIFT) - 1)
#define ISM_MASK ((1ULL << ISM_SHIFT) - 1)
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index 33133d27b539..8706920a6d45 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -149,7 +149,7 @@ static unsigned sfq_hash(struct sfq_sched_data *q, struct sk_buff *skb)
break;
}
default:
- h = (unsigned long)skb->dst ^ skb->protocol;
+ h = (unsigned long)skb_dst(skb) ^ skb->protocol;
h2 = (unsigned long)skb->sk;
}
diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c
index 3b6418297231..9c002b6e0533 100644
--- a/net/sched/sch_teql.c
+++ b/net/sched/sch_teql.c
@@ -58,7 +58,6 @@ struct teql_master
struct net_device *dev;
struct Qdisc *slaves;
struct list_head master_list;
- struct net_device_stats stats;
};
struct teql_sched_data
@@ -223,7 +222,7 @@ __teql_resolve(struct sk_buff *skb, struct sk_buff *skb_res, struct net_device *
{
struct netdev_queue *dev_queue = netdev_get_tx_queue(dev, 0);
struct teql_sched_data *q = qdisc_priv(dev_queue->qdisc);
- struct neighbour *mn = skb->dst->neighbour;
+ struct neighbour *mn = skb_dst(skb)->neighbour;
struct neighbour *n = q->ncache;
if (mn->tbl == NULL)
@@ -263,8 +262,8 @@ static inline int teql_resolve(struct sk_buff *skb,
return -ENODEV;
if (dev->header_ops == NULL ||
- skb->dst == NULL ||
- skb->dst->neighbour == NULL)
+ skb_dst(skb) == NULL ||
+ skb_dst(skb)->neighbour == NULL)
return 0;
return __teql_resolve(skb, skb_res, dev);
}
@@ -272,6 +271,7 @@ static inline int teql_resolve(struct sk_buff *skb,
static int teql_master_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct teql_master *master = netdev_priv(dev);
+ struct netdev_queue *txq = netdev_get_tx_queue(dev, 0);
struct Qdisc *start, *q;
int busy;
int nores;
@@ -308,11 +308,12 @@ restart:
if (!netif_tx_queue_stopped(slave_txq) &&
!netif_tx_queue_frozen(slave_txq) &&
slave_ops->ndo_start_xmit(skb, slave) == 0) {
+ txq_trans_update(slave_txq);
__netif_tx_unlock(slave_txq);
master->slaves = NEXT_SLAVE(q);
netif_wake_queue(dev);
- master->stats.tx_packets++;
- master->stats.tx_bytes += length;
+ txq->tx_packets++;
+ txq->tx_bytes += length;
return 0;
}
__netif_tx_unlock(slave_txq);
@@ -337,12 +338,12 @@ restart:
if (busy) {
netif_stop_queue(dev);
- return 1;
+ return NETDEV_TX_BUSY;
}
- master->stats.tx_errors++;
+ dev->stats.tx_errors++;
drop:
- master->stats.tx_dropped++;
+ txq->tx_dropped++;
dev_kfree_skb(skb);
return 0;
}
@@ -395,12 +396,6 @@ static int teql_master_close(struct net_device *dev)
return 0;
}
-static struct net_device_stats *teql_master_stats(struct net_device *dev)
-{
- struct teql_master *m = netdev_priv(dev);
- return &m->stats;
-}
-
static int teql_master_mtu(struct net_device *dev, int new_mtu)
{
struct teql_master *m = netdev_priv(dev);
@@ -425,7 +420,6 @@ static const struct net_device_ops teql_netdev_ops = {
.ndo_open = teql_master_open,
.ndo_stop = teql_master_close,
.ndo_start_xmit = teql_master_xmit,
- .ndo_get_stats = teql_master_stats,
.ndo_change_mtu = teql_master_mtu,
};
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.