probe::netfilter.bridge.pre_routing.3stap

- Called before a bridging packet is routed

Synopsis

netfilter.bridge.pre_routing

Values

nf_drop

Constant used to signify a 'drop' verdict

br_mac

Bridge MAC address

llcpdu

Address of LLC Protocol Data Unit

indev_name

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

br_fd

Forward delay in 1/256 secs

br_vid

Protocol version identifier

llcproto_stp

Constant used to signify Bridge Spanning Tree Protocol packet

nf_queue

Constant used to signify a 'queue' verdict

nf_repeat

Constant used to signify a 'repeat' verdict

length

The length of the packet buffer contents, in bytes

br_max

Max age in 1/256 secs

nf_accept

Constant used to signify an 'accept' verdict

br_cost

Total cost from transmitting bridge to root

data_hex

A hexadecimal string representing the packet buffer contents

outdev_name

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

br_prid

Protocol identifier

br_htime

Hello time in 1/256 secs

br_flags

BPDU flags

outdev

Address of net_device representing output device, 0 if unknown

br_rid

Identity of root bridge

br_bid

Identity of bridge

br_rmac

Root bridge MAC address

nf_stolen

Constant used to signify a 'stolen' verdict

br_msg

Message age in 1/256 secs

br_type

BPDU type

pf

Protocol family -- always “bridge”

indev

Address of net_device representing input device, 0 if unknown

nf_stop

Constant used to signify a 'stop' verdict

protocol

Packet protocol

br_poid

Port identifier

data_str

A string representing the packet buffer contents

brhdr

Address of bridge header

See Also0

tapset::netfilter(3stap)

Info

November 2020 SystemTap Tapset Reference Networking Tapset