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STRUCT SK_BUFF(9)	       Linux Networking		     STRUCT SK_BUFF(9)

NAME
       struct_sk_buff - socket buffer

SYNOPSIS
       struct sk_buff {
	 struct sk_buff * next;
	 struct sk_buff * prev;
	 struct sock * sk;
	 ktime_t tstamp;
	 struct net_device * dev;
	 unsigned long _skb_dst;
       #ifdef CONFIG_XFRM
	 struct sec_path * sp;
       #endif
	 char cb[48];
	 unsigned int len;
	 unsigned int data_len;
	 __u16 mac_len;
	 __u16 hdr_len;
	 union {unnamed_union};
	 __u16 vlan_tci;
       #ifndef __GENKSYMS__
       #endif
	 sk_buff_data_t transport_header;
	 sk_buff_data_t network_header;
	 sk_buff_data_t mac_header;
	 sk_buff_data_t tail;
	 sk_buff_data_t end;
	 unsigned char * head;
	 unsigned char * data;
	 unsigned int truesize;
	 atomic_t users;
       };

MEMBERS
       next
	   Next buffer in list

       prev
	   Previous buffer in list

       sk
	   Socket we are owned by

       tstamp
	   Time we arrived

       dev
	   Device we arrived on/are leaving by

       _skb_dst
	   destination entry

       sp
	   the security path, used for xfrm

       cb[48]
	   Control buffer. Free for use by every layer. Put private vars here

       len
	   Length of actual data

       data_len
	   Data length

       mac_len
	   Length of link layer header

       hdr_len
	   writable header length of cloned skb

       {unnamed_union}
	   anonymous

       vlan_tci
	   vlan tag control information

       transport_header
	   Transport layer header

       network_header
	   Network layer header

       mac_header
	   Link layer header

       tail
	   Tail pointer

       end
	   End pointer

       head
	   Head of buffer

       data
	   Data head pointer

       truesize
	   Buffer size

       users
	   User count - see {datagram,tcp}.c

COPYRIGHT
Kernel Hackers Manual 2.6.	 November 2013		     STRUCT SK_BUFF(9)

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