Name

struct sk_buff — socket buffer

Members

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sk

Socket we are owned by

tstamp

Time we arrived

dev

Device we arrived on/are leaving by

{unnamed_union}

anonymous

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

priority

Packet queueing priority

local_df

allow local fragmentation

cloned

Head may be cloned (check refcnt to be sure)

ip_summed

Driver fed us an IP checksum

nohdr

Payload reference only, must not modify header

nfctinfo

Relationship of this skb to the connection

pkt_type

Packet class

fclone

skbuff clone status

ipvs_property

skbuff is owned by ipvs

peeked

this packet has been seen already, so stats have been done for it, don't do them again

nf_trace

netfilter packet trace flag

protocol

Packet protocol from driver

destructor

Destruct function

nfct

Associated connection, if any

nfct_reasm

netfilter conntrack re-assembly pointer

nf_bridge

Saved data about a bridged frame - see br_netfilter.c

iif

ifindex of device we arrived on

queue_mapping

Queue mapping for multiqueue devices

tc_index

Traffic control index

tc_verd

traffic control verdict

ndisc_nodetype

router type (from link layer)

dma_cookie

a cookie to one of several possible DMA operations done by skb DMA functions

secmark

security marking

mark

Generic packet mark

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