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

NAME

struct_sk_buff - socket buffer

SYNOPSIS

struct sk_buff {
  union {unnamed_union};
  __u16 inner_transport_header;
  __u16 inner_network_header;
  __u16 inner_mac_header;
  __be16 protocol;
  __u16 transport_header;
  __u16 network_header;
  __u16 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

union {unnamed_union}
anonymous

__u16 inner_transport_header

Inner transport layer header (encapsulation)

__u16 inner_network_header

Network layer header (encapsulation)

__u16 inner_mac_header

Link layer header (encapsulation)

__be16 protocol

Packet protocol from driver

__u16 transport_header

Transport layer header

__u16 network_header

Network layer header

__u16 mac_header

Link layer header

sk_buff_data_t tail

Tail pointer

sk_buff_data_t end

End pointer

unsigned char * head

Head of buffer

unsigned char * data

Data head pointer

unsigned int truesize

Buffer size

atomic_t users

User count - see {datagram,tcp}.c

COPYRIGHT

September 2017 Kernel Hackers Manual 4.12