Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (24 commits) e100: do not go D3 in shutdown unless system is powering off netfilter: revised locking for x_tables Bluetooth: Fix connection establishment with low security requirement Bluetooth: Add different pairing timeout for Legacy Pairing Bluetooth: Ensure that HCI sysfs add/del is preempt safe net: Avoid extra wakeups of threads blocked in wait_for_packet() net: Fix typo in net_device_ops description. ipv4: Limit size of route cache hash table Add reference to CAPI 2.0 standard Documentation/isdn/INTERFACE.CAPI update Documentation/isdn/00-INDEX ixgbe: Fix WoL functionality for 82599 KX4 devices veth: prevent oops caused by netdev destructor xfrm: wrong hash value for temporary SA forcedeth: tx timeout fix net: Fix LL_MAX_HEADER for CONFIG_TR_MODULE mlx4_en: Handle page allocation failure during receive mlx4_en: Fix cleanup flow on cq activation vlan: update vlan carrier state for admin up/down netfilter: xt_recent: fix stack overread in compat code ...
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@@ -104,7 +104,7 @@ struct wireless_dev;
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# else
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# define LL_MAX_HEADER 96
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# endif
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#elif defined(CONFIG_TR)
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#elif defined(CONFIG_TR) || defined(CONFIG_TR_MODULE)
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# define LL_MAX_HEADER 48
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#else
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# define LL_MAX_HEADER 32
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@@ -500,7 +500,7 @@ struct netdev_queue {
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*
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* int (*ndo_set_mac_address)(struct net_device *dev, void *addr);
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* This function is called when the Media Access Control address
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* needs to be changed. If not this interface is not defined, the
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* needs to be changed. If this interface is not defined, the
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* mac address can not be changed.
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*
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* int (*ndo_validate_addr)(struct net_device *dev);
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@@ -100,6 +100,7 @@ enum ctattr_protoinfo_tcp {
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enum ctattr_protoinfo_dccp {
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CTA_PROTOINFO_DCCP_UNSPEC,
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CTA_PROTOINFO_DCCP_STATE,
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CTA_PROTOINFO_DCCP_ROLE,
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__CTA_PROTOINFO_DCCP_MAX,
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};
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#define CTA_PROTOINFO_DCCP_MAX (__CTA_PROTOINFO_DCCP_MAX - 1)
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@@ -354,9 +354,6 @@ struct xt_table
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/* What hooks you will enter on */
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unsigned int valid_hooks;
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/* Lock for the curtain */
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struct mutex lock;
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/* Man behind the curtain... */
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struct xt_table_info *private;
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@@ -434,8 +431,74 @@ extern void xt_proto_fini(struct net *net, u_int8_t af);
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extern struct xt_table_info *xt_alloc_table_info(unsigned int size);
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extern void xt_free_table_info(struct xt_table_info *info);
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extern void xt_table_entry_swap_rcu(struct xt_table_info *old,
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struct xt_table_info *new);
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/*
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* Per-CPU spinlock associated with per-cpu table entries, and
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* with a counter for the "reading" side that allows a recursive
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* reader to avoid taking the lock and deadlocking.
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*
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* "reading" is used by ip/arp/ip6 tables rule processing which runs per-cpu.
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* It needs to ensure that the rules are not being changed while the packet
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* is being processed. In some cases, the read lock will be acquired
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* twice on the same CPU; this is okay because of the count.
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*
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* "writing" is used when reading counters.
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* During replace any readers that are using the old tables have to complete
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* before freeing the old table. This is handled by the write locking
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* necessary for reading the counters.
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*/
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struct xt_info_lock {
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spinlock_t lock;
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unsigned char readers;
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};
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DECLARE_PER_CPU(struct xt_info_lock, xt_info_locks);
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/*
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* Note: we need to ensure that preemption is disabled before acquiring
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* the per-cpu-variable, so we do it as a two step process rather than
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* using "spin_lock_bh()".
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*
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* We _also_ need to disable bottom half processing before updating our
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* nesting count, to make sure that the only kind of re-entrancy is this
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* code being called by itself: since the count+lock is not an atomic
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* operation, we can allow no races.
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*
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* _Only_ that special combination of being per-cpu and never getting
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* re-entered asynchronously means that the count is safe.
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*/
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static inline void xt_info_rdlock_bh(void)
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{
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struct xt_info_lock *lock;
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local_bh_disable();
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lock = &__get_cpu_var(xt_info_locks);
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if (!lock->readers++)
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spin_lock(&lock->lock);
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}
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static inline void xt_info_rdunlock_bh(void)
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{
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struct xt_info_lock *lock = &__get_cpu_var(xt_info_locks);
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if (!--lock->readers)
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spin_unlock(&lock->lock);
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local_bh_enable();
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}
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/*
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* The "writer" side needs to get exclusive access to the lock,
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* regardless of readers. This must be called with bottom half
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* processing (and thus also preemption) disabled.
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*/
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static inline void xt_info_wrlock(unsigned int cpu)
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{
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spin_lock(&per_cpu(xt_info_locks, cpu).lock);
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}
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static inline void xt_info_wrunlock(unsigned int cpu)
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{
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spin_unlock(&per_cpu(xt_info_locks, cpu).lock);
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}
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/*
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* This helper is performance critical and must be inlined
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@@ -440,13 +440,15 @@ void abort_exclusive_wait(wait_queue_head_t *q, wait_queue_t *wait,
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int autoremove_wake_function(wait_queue_t *wait, unsigned mode, int sync, void *key);
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int wake_bit_function(wait_queue_t *wait, unsigned mode, int sync, void *key);
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#define DEFINE_WAIT(name) \
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#define DEFINE_WAIT_FUNC(name, function) \
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wait_queue_t name = { \
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.private = current, \
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.func = autoremove_wake_function, \
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.func = function, \
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.task_list = LIST_HEAD_INIT((name).task_list), \
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}
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#define DEFINE_WAIT(name) DEFINE_WAIT_FUNC(name, autoremove_wake_function)
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#define DEFINE_WAIT_BIT(name, word, bit) \
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struct wait_bit_queue name = { \
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.key = __WAIT_BIT_KEY_INITIALIZER(word, bit), \
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