probe::netfilter.bridge.pre_routing.3stap

- Called before a bridging packet is routed

Synopsis

netfilter.bridge.pre_routing

Values

nf_queue

Constant used to signify a 'queue' verdict

nf_drop

Constant used to signify a 'drop' verdict

data_hex

A hexadecimal string representing the packet buffer contents

br_prid

Protocol identifier

outdev

Address of net_device representing output device, 0 if unknown

br_mac

Bridge MAC address

br_htime

Hello time in 1/256 secs

nf_repeat

Constant used to signify a 'repeat' verdict

nf_stolen

Constant used to signify a 'stolen' verdict

length

The length of the packet buffer contents, in bytes

pf

Protocol family -- always “bridge”

br_cost

Total cost from transmitting bridge to root

br_rid

Identity of root bridge

nf_stop

Constant used to signify a 'stop' verdict

indev

Address of net_device representing input device, 0 if unknown

outdev_name

Name of network device packet will be routed to (if known)

indev_name

Name of network device packet was received on (if known)

nf_accept

Constant used to signify an 'accept' verdict

br_msg

Message age in 1/256 secs

br_rmac

Root bridge MAC address

br_fd

Forward delay in 1/256 secs

llcproto_stp

Constant used to signify Bridge Spanning Tree Protocol packet

br_bid

Identity of bridge

protocol

Packet protocol

llcpdu

Address of LLC Protocol Data Unit

br_vid

Protocol version identifier

br_flags

BPDU flags

br_poid

Port identifier

br_type

BPDU type

br_max

Max age in 1/256 secs

data_str

A string representing the packet buffer contents

brhdr

Address of bridge header

See Also0

tapset::netfilter(3stap)

Info

May 2022 SystemTap Tapset Reference Networking Tapset