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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

Browse Source 
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
  smc91x: let smc91x work well under netpoll
  pxaficp-ir: remove incorrect net_device_ops
  NET: llc, zero sockaddr_llc struct
  drivers/net: fixed drivers that support netpoll use ndo_start_xmit()
  netpoll: warning for ndo_start_xmit returns with interrupts enabled
  net: Fix Micrel KSZ8842 Kconfig description
  netfilter: xt_quota: fix wrong return value (error case)
  ipv6: Fix commit 63d9950b08 (ipv6: Make v4-mapped bindings consistent with IPv4)
  E100: fix interaction with swiotlb on X86.
  pkt_sched: Convert CBQ to tasklet_hrtimer.
  pkt_sched: Convert qdisc_watchdog to tasklet_hrtimer
  rtl8187: always set MSR_LINK_ENEDCA flag with RTL8187B
  ibm_newemac: emac_close() needs to call netif_carrier_off()
  net: fix ks8851 build errors
  net: Rename MAC platform driver for w90p910 platform
  yellowfin: Fix buffer underrun after dev_alloc_skb() failure
  orinoco: correct key bounds check in orinoco_hw_get_tkip_iv
  mac80211: fix todo lock
This commit is contained in:
Linus Torvalds 2009-08-24 12:25:03 -07:00
commit 1cac6ec9b7
21 changed files with 117 additions and 80 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/Kconfig
View File

@ -1727,12 +1727,14 @@ config KS8842
tristate "Micrel KSZ8842"
depends on HAS_IOMEM
help
This platform driver is for Micrel KSZ8842 chip.
This platform driver is for Micrel KSZ8842 / KS8842
2-port ethernet switch chip (managed, VLAN, QoS).
config KS8851
tristate "Micrel KS8851 SPI"
depends on SPI
select MII
select CRC32
help
SPI driver for Micrel KS8851 SPI attached network chip.

4
drivers/net/arm/w90p910_ether.c
View File

@ -1080,7 +1080,7 @@ static struct platform_driver w90p910_ether_driver = {
.probe = w90p910_ether_probe,
.remove = __devexit_p(w90p910_ether_remove),
.driver = {
.name = "w90p910-emc",
.name = "nuc900-emc",
.owner = THIS_MODULE,
},
};
@ -1101,5 +1101,5 @@ module_exit(w90p910_ether_exit);
MODULE_AUTHOR("Wan ZongShun <mcuos.com@gmail.com>");
MODULE_DESCRIPTION("w90p910 MAC driver!");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:w90p910-emc");
MODULE_ALIAS("platform:nuc900-emc");

2
drivers/net/e100.c
View File

@ -1899,7 +1899,7 @@ static int e100_rx_indicate(struct nic *nic, struct rx *rx,
nic->ru_running = RU_SUSPENDED;
pci_dma_sync_single_for_device(nic->pdev, rx->dma_addr,
sizeof(struct rfd),
PCI_DMA_BIDIRECTIONAL);
PCI_DMA_FROMDEVICE);
return -ENODATA;
}

5
drivers/net/fec_mpc52xx.c
View File

@ -309,6 +309,7 @@ static int mpc52xx_fec_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct mpc52xx_fec_priv *priv = netdev_priv(dev);
struct bcom_fec_bd *bd;
unsigned long flags;
if (bcom_queue_full(priv->tx_dmatsk)) {
if (net_ratelimit())
@ -316,7 +317,7 @@ static int mpc52xx_fec_start_xmit(struct sk_buff *skb, struct net_device *dev)
return NETDEV_TX_BUSY;
}
spin_lock_irq(&priv->lock);
spin_lock_irqsave(&priv->lock, flags);
dev->trans_start = jiffies;
bd = (struct bcom_fec_bd *)
@ -332,7 +333,7 @@ static int mpc52xx_fec_start_xmit(struct sk_buff *skb, struct net_device *dev)
netif_stop_queue(dev);
}
spin_unlock_irq(&priv->lock);
spin_unlock_irqrestore(&priv->lock, flags);
return NETDEV_TX_OK;
}

2
drivers/net/ibm_newemac/core.c
View File

@ -1305,6 +1305,8 @@ static int emac_close(struct net_device *ndev)
free_irq(dev->emac_irq, dev);
netif_carrier_off(ndev);
return 0;
}

4
drivers/net/irda/pxaficp_ir.c
View File

@ -803,9 +803,6 @@ static const struct net_device_ops pxa_irda_netdev_ops = {
.ndo_stop = pxa_irda_stop,
.ndo_start_xmit = pxa_irda_hard_xmit,
.ndo_do_ioctl = pxa_irda_ioctl,
.ndo_change_mtu = eth_change_mtu,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_mac_address = eth_mac_addr,
};
static int pxa_irda_probe(struct platform_device *pdev)
@ -830,6 +827,7 @@ static int pxa_irda_probe(struct platform_device *pdev)
if (!dev)
goto err_mem_3;
SET_NETDEV_DEV(dev, &pdev->dev);
si = netdev_priv(dev);
si->dev = &pdev->dev;
si->pdata = pdev->dev.platform_data;

5
drivers/net/ixp2000/ixpdev.c
View File

@ -41,6 +41,7 @@ static int ixpdev_xmit(struct sk_buff *skb, struct net_device *dev)
struct ixpdev_priv *ip = netdev_priv(dev);
struct ixpdev_tx_desc *desc;
int entry;
unsigned long flags;
if (unlikely(skb->len > PAGE_SIZE)) {
/* @@@ Count drops. */
@ -63,11 +64,11 @@ static int ixpdev_xmit(struct sk_buff *skb, struct net_device *dev)
dev->trans_start = jiffies;
local_irq_disable();
local_irq_save(flags);
ip->tx_queue_entries++;
if (ip->tx_queue_entries == TX_BUF_COUNT_PER_CHAN)
netif_stop_queue(dev);
local_irq_enable();
local_irq_restore(flags);
return 0;
}

7
drivers/net/macb.c
View File

@ -620,6 +620,7 @@ static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev)
dma_addr_t mapping;
unsigned int len, entry;
u32 ctrl;
unsigned long flags;
#ifdef DEBUG
int i;
@ -635,12 +636,12 @@ static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev)
#endif
len = skb->len;
spin_lock_irq(&bp->lock);
spin_lock_irqsave(&bp->lock, flags);
/* This is a hard error, log it. */
if (TX_BUFFS_AVAIL(bp) < 1) {
netif_stop_queue(dev);
spin_unlock_irq(&bp->lock);
spin_unlock_irqrestore(&bp->lock, flags);
dev_err(&bp->pdev->dev,
"BUG! Tx Ring full when queue awake!\n");
dev_dbg(&bp->pdev->dev, "tx_head = %u, tx_tail = %u\n",
@ -674,7 +675,7 @@ static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev)
if (TX_BUFFS_AVAIL(bp) < 1)
netif_stop_queue(dev);
spin_unlock_irq(&bp->lock);
spin_unlock_irqrestore(&bp->lock, flags);
dev->trans_start = jiffies;

5
drivers/net/mlx4/en_tx.c
View File

@ -437,6 +437,7 @@ static inline void mlx4_en_xmit_poll(struct mlx4_en_priv *priv, int tx_ind)
{
struct mlx4_en_cq *cq = &priv->tx_cq[tx_ind];
struct mlx4_en_tx_ring *ring = &priv->tx_ring[tx_ind];
unsigned long flags;
/* If we don't have a pending timer, set one up to catch our recent
post in case the interface becomes idle */
@ -445,9 +446,9 @@ static inline void mlx4_en_xmit_poll(struct mlx4_en_priv *priv, int tx_ind)
/* Poll the CQ every mlx4_en_TX_MODER_POLL packets */
if ((++ring->poll_cnt & (MLX4_EN_TX_POLL_MODER - 1)) == 0)
if (spin_trylock_irq(&ring->comp_lock)) {
if (spin_trylock_irqsave(&ring->comp_lock, flags)) {
mlx4_en_process_tx_cq(priv->dev, cq);
spin_unlock_irq(&ring->comp_lock);
spin_unlock_irqrestore(&ring->comp_lock, flags);
}
}

40
drivers/net/smc91x.c
View File

@ -196,21 +196,23 @@ static void PRINT_PKT(u_char *buf, int length)
/* this enables an interrupt in the interrupt mask register */
#define SMC_ENABLE_INT(lp, x) do { \
unsigned char mask; \
spin_lock_irq(&lp->lock); \
unsigned long smc_enable_flags; \
spin_lock_irqsave(&lp->lock, smc_enable_flags); \
mask = SMC_GET_INT_MASK(lp); \
mask |= (x); \
SMC_SET_INT_MASK(lp, mask); \
spin_unlock_irq(&lp->lock); \
spin_unlock_irqrestore(&lp->lock, smc_enable_flags); \
} while (0)
/* this disables an interrupt from the interrupt mask register */
#define SMC_DISABLE_INT(lp, x) do { \
unsigned char mask; \
spin_lock_irq(&lp->lock); \
unsigned long smc_disable_flags; \
spin_lock_irqsave(&lp->lock, smc_disable_flags); \
mask = SMC_GET_INT_MASK(lp); \
mask &= ~(x); \
SMC_SET_INT_MASK(lp, mask); \
spin_unlock_irq(&lp->lock); \
spin_unlock_irqrestore(&lp->lock, smc_disable_flags); \
} while (0)
/*
@ -520,21 +522,21 @@ static inline void smc_rcv(struct net_device *dev)
* any other concurrent access and C would always interrupt B. But life
* isn't that easy in a SMP world...
*/
#define smc_special_trylock(lock) \
#define smc_special_trylock(lock, flags) \
({ \
int __ret; \
local_irq_disable(); \
local_irq_save(flags); \
__ret = spin_trylock(lock); \
if (!__ret) \
local_irq_enable(); \
local_irq_restore(flags); \
__ret; \
})
#define smc_special_lock(lock) spin_lock_irq(lock)
#define smc_special_unlock(lock) spin_unlock_irq(lock)
#define smc_special_lock(lock, flags) spin_lock_irq(lock, flags)
#define smc_special_unlock(lock, flags) spin_unlock_irqrestore(lock, flags)
#else
#define smc_special_trylock(lock) (1)
#define smc_special_lock(lock) do { } while (0)
#define smc_special_unlock(lock) do { } while (0)
#define smc_special_trylock(lock, flags) (1)
#define smc_special_lock(lock, flags) do { } while (0)
#define smc_special_unlock(lock, flags) do { } while (0)
#endif
/*
@ -548,10 +550,11 @@ static void smc_hardware_send_pkt(unsigned long data)
struct sk_buff *skb;
unsigned int packet_no, len;
unsigned char *buf;
unsigned long flags;
DBG(3, "%s: %s\n", dev->name, __func__);
if (!smc_special_trylock(&lp->lock)) {
if (!smc_special_trylock(&lp->lock, flags)) {
netif_stop_queue(dev);
tasklet_schedule(&lp->tx_task);
return;
@ -559,7 +562,7 @@ static void smc_hardware_send_pkt(unsigned long data)
skb = lp->pending_tx_skb;
if (unlikely(!skb)) {
smc_special_unlock(&lp->lock);
smc_special_unlock(&lp->lock, flags);
return;
}
lp->pending_tx_skb = NULL;
@ -569,7 +572,7 @@ static void smc_hardware_send_pkt(unsigned long data)
printk("%s: Memory allocation failed.\n", dev->name);
dev->stats.tx_errors++;
dev->stats.tx_fifo_errors++;
smc_special_unlock(&lp->lock);
smc_special_unlock(&lp->lock, flags);
goto done;
}
@ -608,7 +611,7 @@ static void smc_hardware_send_pkt(unsigned long data)
/* queue the packet for TX */
SMC_SET_MMU_CMD(lp, MC_ENQUEUE);
smc_special_unlock(&lp->lock);
smc_special_unlock(&lp->lock, flags);
dev->trans_start = jiffies;
dev->stats.tx_packets++;
@ -633,6 +636,7 @@ static int smc_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
struct smc_local *lp = netdev_priv(dev);
void __iomem *ioaddr = lp->base;
unsigned int numPages, poll_count, status;
unsigned long flags;
DBG(3, "%s: %s\n", dev->name, __func__);
@ -658,7 +662,7 @@ static int smc_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
return 0;
}
smc_special_lock(&lp->lock);
smc_special_lock(&lp->lock, flags);
/* now, try to allocate the memory */
SMC_SET_MMU_CMD(lp, MC_ALLOC | numPages);
@ -676,7 +680,7 @@ static int smc_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
}
} while (--poll_count);
smc_special_unlock(&lp->lock);
smc_special_unlock(&lp->lock, flags);
lp->pending_tx_skb = skb;
if (!poll_count) {

2
drivers/net/wireless/orinoco/hw.c
View File

@ -70,7 +70,7 @@ int orinoco_hw_get_tkip_iv(struct orinoco_private *priv, int key, u8 *tsc)
int err = 0;
u8 tsc_arr[4][IW_ENCODE_SEQ_MAX_SIZE];
if ((key < 0) || (key > 4))
if ((key < 0) || (key >= 4))
return -EINVAL;
err = hermes_read_ltv(hw, USER_BAP, HERMES_RID_CURRENT_TKIP_IV,

14
drivers/net/wireless/rtl818x/rtl8187_dev.c
View File

@ -869,6 +869,9 @@ static int rtl8187b_init_hw(struct ieee80211_hw *dev)
priv->aifsn[3] = 3; /* AIFSN[AC_BE] */
rtl818x_iowrite8(priv, &priv->map->ACM_CONTROL, 0);
/* ENEDCA flag must always be set, transmit issues? */
rtl818x_iowrite8(priv, &priv->map->MSR, RTL818X_MSR_ENEDCA);
return 0;
}
@ -1173,13 +1176,16 @@ static void rtl8187_bss_info_changed(struct ieee80211_hw *dev,
rtl818x_iowrite8(priv, &priv->map->BSSID[i],
info->bssid[i]);
if (priv->is_rtl8187b)
reg = RTL818X_MSR_ENEDCA;
else
reg = 0;
if (is_valid_ether_addr(info->bssid)) {
reg = RTL818X_MSR_INFRA;
if (priv->is_rtl8187b)
reg |= RTL818X_MSR_ENEDCA;
reg |= RTL818X_MSR_INFRA;
rtl818x_iowrite8(priv, &priv->map->MSR, reg);
} else {
reg = RTL818X_MSR_NO_LINK;
reg |= RTL818X_MSR_NO_LINK;
rtl818x_iowrite8(priv, &priv->map->MSR, reg);
}

28
drivers/net/yellowfin.c
View File

@ -346,7 +346,7 @@ static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
static int yellowfin_open(struct net_device *dev);
static void yellowfin_timer(unsigned long data);
static void yellowfin_tx_timeout(struct net_device *dev);
static void yellowfin_init_ring(struct net_device *dev);
static int yellowfin_init_ring(struct net_device *dev);
static int yellowfin_start_xmit(struct sk_buff *skb, struct net_device *dev);
static irqreturn_t yellowfin_interrupt(int irq, void *dev_instance);
static int yellowfin_rx(struct net_device *dev);
@ -573,19 +573,24 @@ static int yellowfin_open(struct net_device *dev)
{
struct yellowfin_private *yp = netdev_priv(dev);
void __iomem *ioaddr = yp->base;
int i;
int i, ret;
/* Reset the chip. */
iowrite32(0x80000000, ioaddr + DMACtrl);
i = request_irq(dev->irq, &yellowfin_interrupt, IRQF_SHARED, dev->name, dev);
if (i) return i;
ret = request_irq(dev->irq, &yellowfin_interrupt, IRQF_SHARED, dev->name, dev);
if (ret)
return ret;
if (yellowfin_debug > 1)
printk(KERN_DEBUG "%s: yellowfin_open() irq %d.\n",
dev->name, dev->irq);
yellowfin_init_ring(dev);
ret = yellowfin_init_ring(dev);
if (ret) {
free_irq(dev->irq, dev);
return ret;
}
iowrite32(yp->rx_ring_dma, ioaddr + RxPtr);
iowrite32(yp->tx_ring_dma, ioaddr + TxPtr);
@ -725,10 +730,10 @@ static void yellowfin_tx_timeout(struct net_device *dev)
}
/* Initialize the Rx and Tx rings, along with various 'dev' bits. */
static void yellowfin_init_ring(struct net_device *dev)
static int yellowfin_init_ring(struct net_device *dev)
{
struct yellowfin_private *yp = netdev_priv(dev);
int i;
int i, j;
yp->tx_full = 0;
yp->cur_rx = yp->cur_tx = 0;
@ -753,6 +758,11 @@ static void yellowfin_init_ring(struct net_device *dev)
yp->rx_ring[i].addr = cpu_to_le32(pci_map_single(yp->pci_dev,
skb->data, yp->rx_buf_sz, PCI_DMA_FROMDEVICE));
}
if (i != RX_RING_SIZE) {
for (j = 0; j < i; j++)
dev_kfree_skb(yp->rx_skbuff[j]);
return -ENOMEM;
}
yp->rx_ring[i-1].dbdma_cmd = cpu_to_le32(CMD_STOP);
yp->dirty_rx = (unsigned int)(i - RX_RING_SIZE);
@ -769,8 +779,6 @@ static void yellowfin_init_ring(struct net_device *dev)
yp->tx_ring[--i].dbdma_cmd = cpu_to_le32(CMD_STOP | BRANCH_ALWAYS);
#else
{
int j;
/* Tx ring needs a pair of descriptors, the second for the status. */
for (i = 0; i < TX_RING_SIZE; i++) {
j = 2*i;
@ -805,7 +813,7 @@ static void yellowfin_init_ring(struct net_device *dev)
}
#endif
yp->tx_tail_desc = &yp->tx_status[0];
return;
return 0;
}
static int yellowfin_start_xmit(struct sk_buff *skb, struct net_device *dev)

4
include/net/pkt_sched.h
View File

@ -61,8 +61,8 @@ psched_tdiff_bounded(psched_time_t tv1, psched_time_t tv2, psched_time_t bound)
}
struct qdisc_watchdog {
struct hrtimer timer;
struct Qdisc *qdisc;
struct tasklet_hrtimer timer;
struct Qdisc *qdisc;
};
extern void qdisc_watchdog_init(struct qdisc_watchdog *wd, struct Qdisc *qdisc);

5
net/core/netpoll.c
View File

@ -319,6 +319,11 @@ static void netpoll_send_skb(struct netpoll *np, struct sk_buff *skb)
udelay(USEC_PER_POLL);
}
WARN_ONCE(!irqs_disabled(),
"netpoll_send_skb(): %s enabled interrupts in poll (%pF)\n",
dev->name, ops->ndo_start_xmit);
local_irq_restore(flags);
}

4
net/ipv6/af_inet6.c
View File

@ -306,8 +306,10 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
v4addr != htonl(INADDR_ANY) &&
chk_addr_ret != RTN_LOCAL &&
chk_addr_ret != RTN_MULTICAST &&
chk_addr_ret != RTN_BROADCAST)
chk_addr_ret != RTN_BROADCAST) {
err = -EADDRNOTAVAIL;
goto out;
}
} else {
if (addr_type != IPV6_ADDR_ANY) {
struct net_device *dev = NULL;

1
net/llc/af_llc.c
View File

@ -914,6 +914,7 @@ static int llc_ui_getname(struct socket *sock, struct sockaddr *uaddr,
struct llc_sock *llc = llc_sk(sk);
int rc = 0;
memset(&sllc, 0, sizeof(sllc));
lock_sock(sk);
if (sock_flag(sk, SOCK_ZAPPED))
goto out;

28
net/mac80211/key.c
View File

@ -67,6 +67,8 @@ static DECLARE_WORK(todo_work, key_todo);
*
* @key: key to add to do item for
* @flag: todo flag(s)
*
* Must be called with IRQs or softirqs disabled.
*/
static void add_todo(struct ieee80211_key *key, u32 flag)
{
@ -140,9 +142,9 @@ static void ieee80211_key_enable_hw_accel(struct ieee80211_key *key)
ret = drv_set_key(key->local, SET_KEY, &sdata->vif, sta, &key->conf);
if (!ret) {
spin_lock(&todo_lock);
spin_lock_bh(&todo_lock);
key->flags |= KEY_FLAG_UPLOADED_TO_HARDWARE;
spin_unlock(&todo_lock);
spin_unlock_bh(&todo_lock);
}
if (ret && ret != -ENOSPC && ret != -EOPNOTSUPP)
@ -164,12 +166,12 @@ static void ieee80211_key_disable_hw_accel(struct ieee80211_key *key)
if (!key || !key->local->ops->set_key)
return;
spin_lock(&todo_lock);
spin_lock_bh(&todo_lock);
if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) {
spin_unlock(&todo_lock);
spin_unlock_bh(&todo_lock);
return;
}
spin_unlock(&todo_lock);
spin_unlock_bh(&todo_lock);
sta = get_sta_for_key(key);
sdata = key->sdata;
@ -188,9 +190,9 @@ static void ieee80211_key_disable_hw_accel(struct ieee80211_key *key)
wiphy_name(key->local->hw.wiphy),
key->conf.keyidx, sta ? sta->addr : bcast_addr, ret);
spin_lock(&todo_lock);
spin_lock_bh(&todo_lock);
key->flags &= ~KEY_FLAG_UPLOADED_TO_HARDWARE;
spin_unlock(&todo_lock);
spin_unlock_bh(&todo_lock);
}
static void __ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata,
@ -437,14 +439,14 @@ void ieee80211_key_link(struct ieee80211_key *key,
__ieee80211_key_replace(sdata, sta, old_key, key);
spin_unlock_irqrestore(&sdata->local->key_lock, flags);
/* free old key later */
add_todo(old_key, KEY_FLAG_TODO_DELETE);
add_todo(key, KEY_FLAG_TODO_ADD_DEBUGFS);
if (netif_running(sdata->dev))
add_todo(key, KEY_FLAG_TODO_HWACCEL_ADD);
spin_unlock_irqrestore(&sdata->local->key_lock, flags);
}
static void __ieee80211_key_free(struct ieee80211_key *key)
@ -547,7 +549,7 @@ static void __ieee80211_key_todo(void)
*/
synchronize_rcu();
spin_lock(&todo_lock);
spin_lock_bh(&todo_lock);
while (!list_empty(&todo_list)) {
key = list_first_entry(&todo_list, struct ieee80211_key, todo);
list_del_init(&key->todo);
@ -558,7 +560,7 @@ static void __ieee80211_key_todo(void)
KEY_FLAG_TODO_HWACCEL_REMOVE |
KEY_FLAG_TODO_DELETE);
key->flags &= ~todoflags;
spin_unlock(&todo_lock);
spin_unlock_bh(&todo_lock);
work_done = false;
@ -591,9 +593,9 @@ static void __ieee80211_key_todo(void)
WARN_ON(!work_done);
spin_lock(&todo_lock);
spin_lock_bh(&todo_lock);
}
spin_unlock(&todo_lock);
spin_unlock_bh(&todo_lock);
}
void ieee80211_key_todo(void)

2
net/netfilter/xt_quota.c
View File

@ -52,7 +52,7 @@ static bool quota_mt_check(const struct xt_mtchk_param *par)
q->master = kmalloc(sizeof(*q->master), GFP_KERNEL);
if (q->master == NULL)
return -ENOMEM;
return false;
q->master->quota = q->quota;
return true;

8
net/sched/sch_api.c
View File

@ -468,8 +468,8 @@ static enum hrtimer_restart qdisc_watchdog(struct hrtimer *timer)
void qdisc_watchdog_init(struct qdisc_watchdog *wd, struct Qdisc *qdisc)
{
hrtimer_init(&wd->timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
wd->timer.function = qdisc_watchdog;
tasklet_hrtimer_init(&wd->timer, qdisc_watchdog,
CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
wd->qdisc = qdisc;
}
EXPORT_SYMBOL(qdisc_watchdog_init);
@ -485,13 +485,13 @@ 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_TICKS2NS(expires));
hrtimer_start(&wd->timer, time, HRTIMER_MODE_ABS);
tasklet_hrtimer_start(&wd->timer, time, HRTIMER_MODE_ABS);
}
EXPORT_SYMBOL(qdisc_watchdog_schedule);
void qdisc_watchdog_cancel(struct qdisc_watchdog *wd)
{
hrtimer_cancel(&wd->timer);
tasklet_hrtimer_cancel(&wd->timer);
wd->qdisc->flags &= ~TCQ_F_THROTTLED;
}
EXPORT_SYMBOL(qdisc_watchdog_cancel);

23
net/sched/sch_cbq.c
View File

@ -163,7 +163,7 @@ struct cbq_sched_data
psched_time_t now_rt; /* Cached real time */
unsigned pmask;
struct hrtimer delay_timer;
struct tasklet_hrtimer delay_timer;
struct qdisc_watchdog watchdog; /* Watchdog timer,
started when CBQ has
backlog, but cannot
@ -503,6 +503,8 @@ static void cbq_ovl_delay(struct cbq_class *cl)
cl->undertime = q->now + delay;
if (delay > 0) {
struct hrtimer *ht;
sched += delay + cl->penalty;
cl->penalized = sched;
cl->cpriority = TC_CBQ_MAXPRIO;
@ -510,12 +512,12 @@ static void cbq_ovl_delay(struct cbq_class *cl)
expires = ktime_set(0, 0);
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),
expires)) > 0)
hrtimer_set_expires(&q->delay_timer, expires);
hrtimer_restart(&q->delay_timer);
ht = &q->delay_timer.timer;
if (hrtimer_try_to_cancel(ht) &&
ktime_to_ns(ktime_sub(hrtimer_get_expires(ht),
expires)) > 0)
hrtimer_set_expires(ht, expires);
hrtimer_restart(ht);
cl->delayed = 1;
cl->xstats.overactions++;
return;
@ -621,7 +623,7 @@ static enum hrtimer_restart cbq_undelay(struct hrtimer *timer)
time = ktime_set(0, 0);
time = ktime_add_ns(time, PSCHED_TICKS2NS(now + delay));
hrtimer_start(&q->delay_timer, time, HRTIMER_MODE_ABS);
tasklet_hrtimer_start(&q->delay_timer, time, HRTIMER_MODE_ABS);
}
sch->flags &= ~TCQ_F_THROTTLED;
@ -1214,7 +1216,7 @@ cbq_reset(struct Qdisc* sch)
q->tx_class = NULL;
q->tx_borrowed = NULL;
qdisc_watchdog_cancel(&q->watchdog);
hrtimer_cancel(&q->delay_timer);
tasklet_hrtimer_cancel(&q->delay_timer);
q->toplevel = TC_CBQ_MAXLEVEL;
q->now = psched_get_time();
q->now_rt = q->now;
@ -1397,7 +1399,8 @@ static int cbq_init(struct Qdisc *sch, struct nlattr *opt)
q->link.minidle = -0x7FFFFFFF;
qdisc_watchdog_init(&q->watchdog, sch);
hrtimer_init(&q->delay_timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
tasklet_hrtimer_init(&q->delay_timer, cbq_undelay,
CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
q->delay_timer.function = cbq_undelay;
q->toplevel = TC_CBQ_MAXLEVEL;
q->now = psched_get_time();