111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/**************************************************************************** 211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert **************************************************************************** 311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** 411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** This header was automatically generated from a Linux kernel header 511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** of the same name, to make information necessary for userspace to 611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** call into the kernel available to libc. It contains only constants, 711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** structures, and macros generated from the original header, and thus, 811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** contains no copyrightable information. 911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** 1011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert **************************************************************************** 1111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ****************************************************************************/ 1211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#ifndef _LINUX_SKBUFF_H 1311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define _LINUX_SKBUFF_H 1411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <linux/kernel.h> 1611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <linux/compiler.h> 1711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <linux/time.h> 1811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <linux/cache.h> 1911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 2011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <asm/atomic.h> 2111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <asm/types.h> 2211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <linux/spinlock.h> 2311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <linux/mm.h> 2411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <linux/highmem.h> 2511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <linux/poll.h> 2611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <linux/net.h> 2711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <linux/textsearch.h> 2811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <net/checksum.h> 2911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <linux/dmaengine.h> 3011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 3111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define HAVE_ALLOC_SKB 3211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define HAVE_ALIGNABLE_SKB 3311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 3411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define CHECKSUM_NONE 0 3511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define CHECKSUM_HW 1 3611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define CHECKSUM_UNNECESSARY 2 3711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 3811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define SKB_DATA_ALIGN(X) (((X) + (SMP_CACHE_BYTES - 1)) & ~(SMP_CACHE_BYTES - 1)) 3911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define SKB_MAX_ORDER(X, ORDER) (((PAGE_SIZE << (ORDER)) - (X) - sizeof(struct skb_shared_info)) & ~(SMP_CACHE_BYTES - 1)) 4011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define SKB_MAX_HEAD(X) (SKB_MAX_ORDER((X), 0)) 4111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define SKB_MAX_ALLOC (SKB_MAX_ORDER(0, 2)) 4211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 4311cd02dfb91661c65134cac258cf5924270e9d2Dan Albertstruct net_device; 4411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 4511cd02dfb91661c65134cac258cf5924270e9d2Dan Albertstruct sk_buff_head { 4611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 4711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert struct sk_buff *next; 4811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert struct sk_buff *prev; 4911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 5011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert __u32 qlen; 5111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert spinlock_t lock; 5211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert}; 5311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 5411cd02dfb91661c65134cac258cf5924270e9d2Dan Albertstruct sk_buff; 5511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 5611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define MAX_SKB_FRAGS (65536/PAGE_SIZE + 2) 5711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 5811cd02dfb91661c65134cac258cf5924270e9d2Dan Alberttypedef struct skb_frag_struct skb_frag_t; 5911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 6011cd02dfb91661c65134cac258cf5924270e9d2Dan Albertstruct skb_frag_struct { 6111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert struct page *page; 6211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert __u16 page_offset; 6311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert __u16 size; 6411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert}; 6511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 6611cd02dfb91661c65134cac258cf5924270e9d2Dan Albertstruct skb_shared_info { 6711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert atomic_t dataref; 6811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert unsigned short nr_frags; 6911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert unsigned short gso_size; 7011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 7111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert unsigned short gso_segs; 7211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert unsigned short gso_type; 7311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert unsigned int ip6_frag_id; 7411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert struct sk_buff *frag_list; 7511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert skb_frag_t frags[MAX_SKB_FRAGS]; 7611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert}; 7711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 7811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define SKB_DATAREF_SHIFT 16 7911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define SKB_DATAREF_MASK ((1 << SKB_DATAREF_SHIFT) - 1) 8011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 8111cd02dfb91661c65134cac258cf5924270e9d2Dan Albertstruct skb_timeval { 8211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert u32 off_sec; 8311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert u32 off_usec; 8411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert}; 8511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 8611cd02dfb91661c65134cac258cf5924270e9d2Dan Albertenum { 8711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert SKB_FCLONE_UNAVAILABLE, 8811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert SKB_FCLONE_ORIG, 8911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert SKB_FCLONE_CLONE, 9011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert}; 9111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 9211cd02dfb91661c65134cac258cf5924270e9d2Dan Albertenum { 9311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert SKB_GSO_TCPV4 = 1 << 0, 9411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert SKB_GSO_UDP = 1 << 1, 9511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 9611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert SKB_GSO_DODGY = 1 << 2, 9711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 9811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert SKB_GSO_TCP_ECN = 1 << 3, 9911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 10011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert SKB_GSO_TCPV6 = 1 << 4, 10111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert}; 10211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 10311cd02dfb91661c65134cac258cf5924270e9d2Dan Albertstruct sk_buff { 10411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 10511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert struct sk_buff *next; 10611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert struct sk_buff *prev; 10711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 10811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert struct sock *sk; 10911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert struct skb_timeval tstamp; 11011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert struct net_device *dev; 11111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert struct net_device *input_dev; 11211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 11311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert union { 11411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert struct tcphdr *th; 11511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert struct udphdr *uh; 11611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert struct icmphdr *icmph; 11711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert struct igmphdr *igmph; 11811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert struct iphdr *ipiph; 11911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert struct ipv6hdr *ipv6h; 12011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert unsigned char *raw; 12111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert } h; 12211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 12311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert union { 12411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert struct iphdr *iph; 12511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert struct ipv6hdr *ipv6h; 12611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert struct arphdr *arph; 12711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert unsigned char *raw; 12811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert } nh; 12911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 13011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert union { 13111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert unsigned char *raw; 13211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert } mac; 13311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 13411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert struct dst_entry *dst; 13511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert struct sec_path *sp; 13611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 13711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert char cb[48]; 13811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 13911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert unsigned int len, 14011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert data_len, 14111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert mac_len, 14211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert csum; 14311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert __u32 priority; 14411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert __u8 local_df:1, 14511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert cloned:1, 14611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ip_summed:2, 14711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert nohdr:1, 14811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert nfctinfo:3; 14911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert __u8 pkt_type:3, 15011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert fclone:2, 15111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ipvs_property:1; 15211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert __be16 protocol; 15311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 15411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert void (*destructor)(struct sk_buff *skb); 15511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 15611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert unsigned int truesize; 15711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert atomic_t users; 15811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert unsigned char *head, 15911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *data, 16011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *tail, 16111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *end; 16211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert}; 16311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 16411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif 165