diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-alpha/barrier.h | 2 | ||||
| -rw-r--r-- | include/asm-alpha/pgtable.h | 21 | ||||
| -rw-r--r-- | include/asm-frv/system.h | 2 | ||||
| -rw-r--r-- | include/linux/netdevice.h | 35 | ||||
| -rw-r--r-- | include/linux/usb/association.h | 150 | ||||
| -rw-r--r-- | include/net/irda/discovery.h | 3 | ||||
| -rw-r--r-- | include/net/syncppp.h | 2 |
7 files changed, 198 insertions, 17 deletions
diff --git a/include/asm-alpha/barrier.h b/include/asm-alpha/barrier.h index 384dc08d6f53..ac78eba909bc 100644 --- a/include/asm-alpha/barrier.h +++ b/include/asm-alpha/barrier.h @@ -24,7 +24,7 @@ __asm__ __volatile__("mb": : :"memory") #define smp_mb() barrier() #define smp_rmb() barrier() #define smp_wmb() barrier() -#define smp_read_barrier_depends() barrier() +#define smp_read_barrier_depends() do { } while (0) #endif #define set_mb(var, value) \ diff --git a/include/asm-alpha/pgtable.h b/include/asm-alpha/pgtable.h index 05ce5fba43e3..3f0c59f6d8aa 100644 --- a/include/asm-alpha/pgtable.h +++ b/include/asm-alpha/pgtable.h @@ -287,17 +287,34 @@ extern inline pte_t pte_mkspecial(pte_t pte) { return pte; } #define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1)) #define pgd_offset(mm, address) ((mm)->pgd+pgd_index(address)) +/* + * The smp_read_barrier_depends() in the following functions are required to + * order the load of *dir (the pointer in the top level page table) with any + * subsequent load of the returned pmd_t *ret (ret is data dependent on *dir). + * + * If this ordering is not enforced, the CPU might load an older value of + * *ret, which may be uninitialized data. See mm/memory.c:__pte_alloc for + * more details. + * + * Note that we never change the mm->pgd pointer after the task is running, so + * pgd_offset does not require such a barrier. + */ + /* Find an entry in the second-level page table.. */ extern inline pmd_t * pmd_offset(pgd_t * dir, unsigned long address) { - return (pmd_t *) pgd_page_vaddr(*dir) + ((address >> PMD_SHIFT) & (PTRS_PER_PAGE - 1)); + pmd_t *ret = (pmd_t *) pgd_page_vaddr(*dir) + ((address >> PMD_SHIFT) & (PTRS_PER_PAGE - 1)); + smp_read_barrier_depends(); /* see above */ + return ret; } /* Find an entry in the third-level page table.. */ extern inline pte_t * pte_offset_kernel(pmd_t * dir, unsigned long address) { - return (pte_t *) pmd_page_vaddr(*dir) + pte_t *ret = (pte_t *) pmd_page_vaddr(*dir) + ((address >> PAGE_SHIFT) & (PTRS_PER_PAGE - 1)); + smp_read_barrier_depends(); /* see above */ + return ret; } #define pte_offset_map(dir,addr) pte_offset_kernel((dir),(addr)) diff --git a/include/asm-frv/system.h b/include/asm-frv/system.h index cb307f8a6b48..d3a12a9079f7 100644 --- a/include/asm-frv/system.h +++ b/include/asm-frv/system.h @@ -179,7 +179,7 @@ do { \ #define mb() asm volatile ("membar" : : :"memory") #define rmb() asm volatile ("membar" : : :"memory") #define wmb() asm volatile ("membar" : : :"memory") -#define read_barrier_depends() barrier() +#define read_barrier_depends() do { } while (0) #ifdef CONFIG_SMP #define smp_mb() mb() diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 7c1d4466583b..b11e6e19e96c 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -93,14 +93,16 @@ struct wireless_dev; * used. */ -#if !defined(CONFIG_AX25) && !defined(CONFIG_AX25_MODULE) && !defined(CONFIG_TR) -#define LL_MAX_HEADER 32 +#if defined(CONFIG_WLAN_80211) || defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE) +# if defined(CONFIG_MAC80211_MESH) +# define LL_MAX_HEADER 128 +# else +# define LL_MAX_HEADER 96 +# endif +#elif defined(CONFIG_TR) +# define LL_MAX_HEADER 48 #else -#if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE) -#define LL_MAX_HEADER 96 -#else -#define LL_MAX_HEADER 48 -#endif +# define LL_MAX_HEADER 32 #endif #if !defined(CONFIG_NET_IPIP) && !defined(CONFIG_NET_IPIP_MODULE) && \ @@ -244,11 +246,16 @@ struct hh_cache * * We could use other alignment values, but we must maintain the * relationship HH alignment <= LL alignment. + * + * LL_ALLOCATED_SPACE also takes into account the tailroom the device + * may need. */ #define LL_RESERVED_SPACE(dev) \ - (((dev)->hard_header_len&~(HH_DATA_MOD - 1)) + HH_DATA_MOD) + ((((dev)->hard_header_len+(dev)->needed_headroom)&~(HH_DATA_MOD - 1)) + HH_DATA_MOD) #define LL_RESERVED_SPACE_EXTRA(dev,extra) \ - ((((dev)->hard_header_len+extra)&~(HH_DATA_MOD - 1)) + HH_DATA_MOD) + ((((dev)->hard_header_len+(dev)->needed_headroom+(extra))&~(HH_DATA_MOD - 1)) + HH_DATA_MOD) +#define LL_ALLOCATED_SPACE(dev) \ + ((((dev)->hard_header_len+(dev)->needed_headroom+(dev)->needed_tailroom)&~(HH_DATA_MOD - 1)) + HH_DATA_MOD) struct header_ops { int (*create) (struct sk_buff *skb, struct net_device *dev, @@ -567,6 +574,13 @@ struct net_device unsigned short type; /* interface hardware type */ unsigned short hard_header_len; /* hardware hdr length */ + /* extra head- and tailroom the hardware may need, but not in all cases + * can this be guaranteed, especially tailroom. Some cases also use + * LL_MAX_HEADER instead to allocate the skb. + */ + unsigned short needed_headroom; + unsigned short needed_tailroom; + struct net_device *master; /* Pointer to master device of a group, * which this device is member of. */ @@ -715,6 +729,9 @@ struct net_device struct net *nd_net; #endif + /* mid-layer private */ + void *ml_priv; + /* bridge stuff */ struct net_bridge_port *br_port; /* macvlan */ diff --git a/include/linux/usb/association.h b/include/linux/usb/association.h new file mode 100644 index 000000000000..07c5e3cf5898 --- /dev/null +++ b/include/linux/usb/association.h @@ -0,0 +1,150 @@ +/* + * Wireless USB - Cable Based Association + * + * Copyright (C) 2006 Intel Corporation + * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation. + * + */ +#ifndef __LINUX_USB_ASSOCIATION_H +#define __LINUX_USB_ASSOCIATION_H + + +/* + * Association attributes + * + * Association Models Supplement to WUSB 1.0 T[3-1] + * + * Each field in the structures has it's ID, it's length and then the + * value. This is the actual definition of the field's ID and its + * length. + */ +struct wusb_am_attr { + __u8 id; + __u8 len; +}; + +/* Different fields defined by the spec */ +#define WUSB_AR_AssociationTypeId { .id = 0x0000, .len = 2 } +#define WUSB_AR_AssociationSubTypeId { .id = 0x0001, .len = 2 } +#define WUSB_AR_Length { .id = 0x0002, .len = 4 } +#define WUSB_AR_AssociationStatus { .id = 0x0004, .len = 4 } +#define WUSB_AR_LangID { .id = 0x0008, .len = 2 } +#define WUSB_AR_DeviceFriendlyName { .id = 0x000b, .len = 64 } /* max */ +#define WUSB_AR_HostFriendlyName { .id = 0x000c, .len = 64 } /* max */ +#define WUSB_AR_CHID { .id = 0x1000, .len = 16 } +#define WUSB_AR_CDID { .id = 0x1001, .len = 16 } +#define WUSB_AR_ConnectionContext { .id = 0x1002, .len = 48 } +#define WUSB_AR_BandGroups { .id = 0x1004, .len = 2 } + +/* CBAF Control Requests (AMS1.0[T4-1] */ +enum { + CBAF_REQ_GET_ASSOCIATION_INFORMATION = 0x01, + CBAF_REQ_GET_ASSOCIATION_REQUEST, + CBAF_REQ_SET_ASSOCIATION_RESPONSE +}; + +/* + * CBAF USB-interface defitions + * + * No altsettings, one optional interrupt endpoint. + */ +enum { + CBAF_IFACECLASS = 0xef, + CBAF_IFACESUBCLASS = 0x03, + CBAF_IFACEPROTOCOL = 0x01, +}; + +/* Association Information (AMS1.0[T4-3]) */ +struct wusb_cbaf_assoc_info { + __le16 Length; + __u8 NumAssociationRequests; + __le16 Flags; + __u8 AssociationRequestsArray[]; +} __attribute__((packed)); + +/* Association Request (AMS1.0[T4-4]) */ +struct wusb_cbaf_assoc_request { + __u8 AssociationDataIndex; + __u8 Reserved; + __le16 AssociationTypeId; + __le16 AssociationSubTypeId; + __le32 AssociationTypeInfoSize; +} __attribute__((packed)); + +enum { + AR_TYPE_WUSB = 0x0001, + AR_TYPE_WUSB_RETRIEVE_HOST_INFO = 0x0000, + AR_TYPE_WUSB_ASSOCIATE = 0x0001, +}; + +/* Association Attribute header (AMS1.0[3.8]) */ +struct wusb_cbaf_attr_hdr { + __le16 id; + __le16 len; +} __attribute__((packed)); + +/* Host Info (AMS1.0[T4-7]) (yeah, more headers and fields...) */ +struct wusb_cbaf_host_info { + struct wusb_cbaf_attr_hdr AssociationTypeId_hdr; + __le16 AssociationTypeId; + struct wusb_cbaf_attr_hdr AssociationSubTypeId_hdr; + __le16 AssociationSubTypeId; + struct wusb_cbaf_attr_hdr CHID_hdr; + struct wusb_ckhdid CHID; + struct wusb_cbaf_attr_hdr LangID_hdr; + __le16 LangID; + struct wusb_cbaf_attr_hdr HostFriendlyName_hdr; + __u8 HostFriendlyName[]; +} __attribute__((packed)); + +/* Device Info (AMS1.0[T4-8]) + * + * I still don't get this tag'n'header stuff for each goddamn + * field... + */ +struct wusb_cbaf_device_info { + struct wusb_cbaf_attr_hdr Length_hdr; + __le32 Length; + struct wusb_cbaf_attr_hdr CDID_hdr; + struct wusb_ckhdid CDID; + struct wusb_cbaf_attr_hdr BandGroups_hdr; + __le16 BandGroups; + struct wusb_cbaf_attr_hdr LangID_hdr; + __le16 LangID; + struct wusb_cbaf_attr_hdr DeviceFriendlyName_hdr; + __u8 DeviceFriendlyName[]; +} __attribute__((packed)); + +/* Connection Context; CC_DATA - Success case (AMS1.0[T4-9]) */ +struct wusb_cbaf_cc_data { + struct wusb_cbaf_attr_hdr AssociationTypeId_hdr; + __le16 AssociationTypeId; + struct wusb_cbaf_attr_hdr AssociationSubTypeId_hdr; + __le16 AssociationSubTypeId; + struct wusb_cbaf_attr_hdr Length_hdr; + __le32 Length; + struct wusb_cbaf_attr_hdr ConnectionContext_hdr; + struct wusb_ckhdid CHID; + struct wusb_ckhdid CDID; + struct wusb_ckhdid CK; + struct wusb_cbaf_attr_hdr BandGroups_hdr; + __le16 BandGroups; +} __attribute__((packed)); + +/* CC_DATA - Failure case (AMS1.0[T4-10]) */ +struct wusb_cbaf_cc_data_fail { + struct wusb_cbaf_attr_hdr AssociationTypeId_hdr; + __le16 AssociationTypeId; + struct wusb_cbaf_attr_hdr AssociationSubTypeId_hdr; + __le16 AssociationSubTypeId; + struct wusb_cbaf_attr_hdr Length_hdr; + __le16 Length; + struct wusb_cbaf_attr_hdr AssociationStatus_hdr; + __u32 AssociationStatus; +} __attribute__((packed)); + +#endif /* __LINUX_USB_ASSOCIATION_H */ diff --git a/include/net/irda/discovery.h b/include/net/irda/discovery.h index e4efad1f9eff..0ce93398720d 100644 --- a/include/net/irda/discovery.h +++ b/include/net/irda/discovery.h @@ -57,9 +57,6 @@ typedef union { __u8 byte[2]; } __u16_host_order; -/* Same purpose, different application */ -#define u16ho(array) (* ((__u16 *) array)) - /* Types of discovery */ typedef enum { DISCOVERY_LOG, /* What's in our discovery log */ diff --git a/include/net/syncppp.h b/include/net/syncppp.h index 877efa434700..e43f4070d892 100644 --- a/include/net/syncppp.h +++ b/include/net/syncppp.h @@ -59,7 +59,7 @@ struct ppp_device static inline struct sppp *sppp_of(struct net_device *dev) { - struct ppp_device **ppp = dev->priv; + struct ppp_device **ppp = dev->ml_priv; BUG_ON((*ppp)->dev != dev); return &(*ppp)->sppp; } |