diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/cpumask.h | 19 | ||||
| -rw-r--r-- | include/linux/net.h | 3 | ||||
| -rw-r--r-- | include/linux/padata.h | 13 | ||||
| -rw-r--r-- | include/media/media-device.h | 5 | ||||
| -rw-r--r-- | include/media/media-devnode.h | 32 | ||||
| -rw-r--r-- | include/net/ipv6.h | 2 | ||||
| -rw-r--r-- | include/uapi/linux/if_pppol2tp.h | 13 | ||||
| -rw-r--r-- | include/uapi/linux/l2tp.h | 17 |
8 files changed, 80 insertions, 24 deletions
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h index bb3a4bb35183..f0a3fc723ae4 100644 --- a/include/linux/cpumask.h +++ b/include/linux/cpumask.h @@ -160,6 +160,8 @@ static inline unsigned int cpumask_local_spread(unsigned int i, int node) for ((cpu) = 0; (cpu) < 1; (cpu)++, (void)mask) #define for_each_cpu_not(cpu, mask) \ for ((cpu) = 0; (cpu) < 1; (cpu)++, (void)mask) +#define for_each_cpu_wrap(cpu, mask, start) \ + for ((cpu) = 0; (cpu) < 1; (cpu)++, (void)mask, (void)(start)) #define for_each_cpu_and(cpu, mask, and) \ for ((cpu) = 0; (cpu) < 1; (cpu)++, (void)mask, (void)and) #else @@ -232,6 +234,23 @@ unsigned int cpumask_local_spread(unsigned int i, int node); (cpu) = cpumask_next_zero((cpu), (mask)), \ (cpu) < nr_cpu_ids;) +extern int cpumask_next_wrap(int n, const struct cpumask *mask, int start, bool wrap); + +/** + * for_each_cpu_wrap - iterate over every cpu in a mask, starting at a specified location + * @cpu: the (optionally unsigned) integer iterator + * @mask: the cpumask poiter + * @start: the start location + * + * The implementation does not assume any bit in @mask is set (including @start). + * + * After the loop, cpu is >= nr_cpu_ids. + */ +#define for_each_cpu_wrap(cpu, mask, start) \ + for ((cpu) = cpumask_next_wrap((start)-1, (mask), (start), false); \ + (cpu) < nr_cpumask_bits; \ + (cpu) = cpumask_next_wrap((cpu), (mask), (start), true)) + /** * for_each_cpu_and - iterate over every cpu in both masks * @cpu: the (optionally unsigned) integer iterator diff --git a/include/linux/net.h b/include/linux/net.h index c00b8d182226..6de18ead3dfe 100644 --- a/include/linux/net.h +++ b/include/linux/net.h @@ -291,6 +291,9 @@ int kernel_sendpage(struct socket *sock, struct page *page, int offset, int kernel_sock_ioctl(struct socket *sock, int cmd, unsigned long arg); int kernel_sock_shutdown(struct socket *sock, enum sock_shutdown_cmd how); +/* Routine returns the IP overhead imposed by a (caller-protected) socket. */ +u32 kernel_sock_ip_overhead(struct sock *sk); + #define MODULE_ALIAS_NETPROTO(proto) \ MODULE_ALIAS("net-pf-" __stringify(proto)) diff --git a/include/linux/padata.h b/include/linux/padata.h index 438694650471..547a8d1e4a3b 100644 --- a/include/linux/padata.h +++ b/include/linux/padata.h @@ -24,7 +24,6 @@ #include <linux/workqueue.h> #include <linux/spinlock.h> #include <linux/list.h> -#include <linux/timer.h> #include <linux/notifier.h> #include <linux/kobject.h> @@ -37,6 +36,7 @@ * @list: List entry, to attach to the padata lists. * @pd: Pointer to the internal control structure. * @cb_cpu: Callback cpu for serializatioon. + * @cpu: Cpu for parallelization. * @seq_nr: Sequence number of the parallelized data object. * @info: Used to pass information from the parallel to the serial function. * @parallel: Parallel execution function. @@ -46,6 +46,7 @@ struct padata_priv { struct list_head list; struct parallel_data *pd; int cb_cpu; + int cpu; int info; void (*parallel)(struct padata_priv *padata); void (*serial)(struct padata_priv *padata); @@ -83,7 +84,6 @@ struct padata_serial_queue { * @serial: List to wait for serialization after reordering. * @pwork: work struct for parallelization. * @swork: work struct for serialization. - * @pd: Backpointer to the internal control structure. * @work: work struct for parallelization. * @num_obj: Number of objects that are processed by this cpu. * @cpu_index: Index of the cpu. @@ -91,7 +91,6 @@ struct padata_serial_queue { struct padata_parallel_queue { struct padata_list parallel; struct padata_list reorder; - struct parallel_data *pd; struct work_struct work; atomic_t num_obj; int cpu_index; @@ -118,10 +117,10 @@ struct padata_cpumask { * @reorder_objects: Number of objects waiting in the reorder queues. * @refcnt: Number of objects holding a reference on this parallel_data. * @max_seq_nr: Maximal used sequence number. + * @cpu: Next CPU to be processed. * @cpumask: The cpumasks in use for parallel and serial workers. + * @reorder_work: work struct for reordering. * @lock: Reorder lock. - * @processed: Number of already processed objects. - * @timer: Reorder timer. */ struct parallel_data { struct padata_instance *pinst; @@ -130,10 +129,10 @@ struct parallel_data { atomic_t reorder_objects; atomic_t refcnt; atomic_t seq_nr; + int cpu; struct padata_cpumask cpumask; + struct work_struct reorder_work; spinlock_t lock ____cacheline_aligned; - unsigned int processed; - struct timer_list timer; }; /** diff --git a/include/media/media-device.h b/include/media/media-device.h index 6e6db78f1ee2..00bbd679864a 100644 --- a/include/media/media-device.h +++ b/include/media/media-device.h @@ -60,7 +60,7 @@ struct device; struct media_device { /* dev->driver_data points to this struct. */ struct device *dev; - struct media_devnode devnode; + struct media_devnode *devnode; char model[32]; char serial[40]; @@ -84,9 +84,6 @@ struct media_device { #define MEDIA_DEV_NOTIFY_PRE_LINK_CH 0 #define MEDIA_DEV_NOTIFY_POST_LINK_CH 1 -/* media_devnode to media_device */ -#define to_media_device(node) container_of(node, struct media_device, devnode) - int __must_check __media_device_register(struct media_device *mdev, struct module *owner); #define media_device_register(mdev) __media_device_register(mdev, THIS_MODULE) diff --git a/include/media/media-devnode.h b/include/media/media-devnode.h index 17ddae32060d..d5ff95bf2d4b 100644 --- a/include/media/media-devnode.h +++ b/include/media/media-devnode.h @@ -33,6 +33,8 @@ #include <linux/device.h> #include <linux/cdev.h> +struct media_device; + /* * Flag to mark the media_devnode struct as registered. Drivers must not touch * this flag directly, it will be set and cleared by media_devnode_register and @@ -67,6 +69,8 @@ struct media_file_operations { * before registering the node. */ struct media_devnode { + struct media_device *media_dev; + /* device ops */ const struct media_file_operations *fops; @@ -80,24 +84,42 @@ struct media_devnode { unsigned long flags; /* Use bitops to access flags */ /* callbacks */ - void (*release)(struct media_devnode *mdev); + void (*release)(struct media_devnode *devnode); }; /* dev to media_devnode */ #define to_media_devnode(cd) container_of(cd, struct media_devnode, dev) -int __must_check media_devnode_register(struct media_devnode *mdev, +int __must_check media_devnode_register(struct media_device *mdev, + struct media_devnode *devnode, struct module *owner); -void media_devnode_unregister(struct media_devnode *mdev); + +/** + * media_devnode_unregister_prepare - clear the media device node register bit + * @devnode: the device node to prepare for unregister + * + * This clears the passed device register bit. Future open calls will be met + * with errors. Should be called before media_devnode_unregister() to avoid + * races with unregister and device file open calls. + * + * This function can safely be called if the device node has never been + * registered or has already been unregistered. + */ +void media_devnode_unregister_prepare(struct media_devnode *devnode); + +void media_devnode_unregister(struct media_devnode *devnode); static inline struct media_devnode *media_devnode_data(struct file *filp) { return filp->private_data; } -static inline int media_devnode_is_registered(struct media_devnode *mdev) +static inline int media_devnode_is_registered(struct media_devnode *devnode) { - return test_bit(MEDIA_FLAG_REGISTERED, &mdev->flags); + if (!devnode) + return false; + + return test_bit(MEDIA_FLAG_REGISTERED, &devnode->flags); } #endif /* _MEDIA_DEVNODE_H */ diff --git a/include/net/ipv6.h b/include/net/ipv6.h index 6258264a0bf7..94880f07bc06 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -915,6 +915,8 @@ int compat_ipv6_setsockopt(struct sock *sk, int level, int optname, int compat_ipv6_getsockopt(struct sock *sk, int level, int optname, char __user *optval, int __user *optlen); +int __ip6_datagram_connect(struct sock *sk, struct sockaddr *addr, + int addr_len); int ip6_datagram_connect(struct sock *sk, struct sockaddr *addr, int addr_len); int ip6_datagram_connect_v6_only(struct sock *sk, struct sockaddr *addr, int addr_len); diff --git a/include/uapi/linux/if_pppol2tp.h b/include/uapi/linux/if_pppol2tp.h index 163e8adac2d6..de246e9f4974 100644 --- a/include/uapi/linux/if_pppol2tp.h +++ b/include/uapi/linux/if_pppol2tp.h @@ -17,6 +17,7 @@ #include <linux/types.h> +#include <linux/l2tp.h> /* Structure used to connect() the socket to a particular tunnel UDP * socket over IPv4. @@ -89,14 +90,12 @@ enum { PPPOL2TP_SO_REORDERTO = 5, }; -/* Debug message categories for the DEBUG socket option */ +/* Debug message categories for the DEBUG socket option (deprecated) */ enum { - PPPOL2TP_MSG_DEBUG = (1 << 0), /* verbose debug (if - * compiled in) */ - PPPOL2TP_MSG_CONTROL = (1 << 1), /* userspace - kernel - * interface */ - PPPOL2TP_MSG_SEQ = (1 << 2), /* sequence numbers */ - PPPOL2TP_MSG_DATA = (1 << 3), /* data packets */ + PPPOL2TP_MSG_DEBUG = L2TP_MSG_DEBUG, + PPPOL2TP_MSG_CONTROL = L2TP_MSG_CONTROL, + PPPOL2TP_MSG_SEQ = L2TP_MSG_SEQ, + PPPOL2TP_MSG_DATA = L2TP_MSG_DATA, }; diff --git a/include/uapi/linux/l2tp.h b/include/uapi/linux/l2tp.h index 347ef22a964e..dedfb2b1832a 100644 --- a/include/uapi/linux/l2tp.h +++ b/include/uapi/linux/l2tp.h @@ -108,7 +108,7 @@ enum { L2TP_ATTR_VLAN_ID, /* u16 */ L2TP_ATTR_COOKIE, /* 0, 4 or 8 bytes */ L2TP_ATTR_PEER_COOKIE, /* 0, 4 or 8 bytes */ - L2TP_ATTR_DEBUG, /* u32 */ + L2TP_ATTR_DEBUG, /* u32, enum l2tp_debug_flags */ L2TP_ATTR_RECV_SEQ, /* u8 */ L2TP_ATTR_SEND_SEQ, /* u8 */ L2TP_ATTR_LNS_MODE, /* u8 */ @@ -173,6 +173,21 @@ enum l2tp_seqmode { L2TP_SEQ_ALL = 2, }; +/** + * enum l2tp_debug_flags - debug message categories for L2TP tunnels/sessions + * + * @L2TP_MSG_DEBUG: verbose debug (if compiled in) + * @L2TP_MSG_CONTROL: userspace - kernel interface + * @L2TP_MSG_SEQ: sequence numbers + * @L2TP_MSG_DATA: data packets + */ +enum l2tp_debug_flags { + L2TP_MSG_DEBUG = (1 << 0), + L2TP_MSG_CONTROL = (1 << 1), + L2TP_MSG_SEQ = (1 << 2), + L2TP_MSG_DATA = (1 << 3), +}; + /* * NETLINK_GENERIC related info */ |