PROBE::NETFILTER.B(3stap) Networking Tapset PROBE::NETFILTER.B(3stap)

# [NAME](#NAME)

probe::netfilter.bridge.local\_in - Called on a bridging packet destined for the local computer

# [SYNOPSIS](#SYNOPSIS)

```
probe netfilter.bridge.local_in {}
```

# [VALUES](#VALUES)

*nf\_queue*

Constant used to signify a 'queue' verdict

*br\_vid*

Protocol version identifier

*br\_bid*

Identity of bridge

*br\_flags*

BPDU flags

*nf\_drop*

Constant used to signify a 'drop' verdict

*br\_htime*

Hello time in 1/256 secs

*br\_type*

BPDU type

*br\_fd*

Forward delay in 1/256 secs

*length*

The length of the packet buffer contents, in bytes

*br\_rid*

Identity of root bridge

*br\_cost*

Total cost from transmitting bridge to root

*llcpdu*

Address of LLC Protocol Data Unit

*protocol*

Packet protocol

*br\_poid*

Port identifier

*indev\_name*

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

*nf\_stop*

Constant used to signify a 'stop' verdict

*llcproto\_stp*

Constant used to signify Bridge Spanning Tree Protocol packet

*data\_str*

A string representing the packet buffer contents

*br\_msg*

Message age in 1/256 secs

*nf\_stolen*

Constant used to signify a 'stolen' verdict

*outdev\_name*

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

*brhdr*

Address of bridge header

*data\_hex*

A hexadecimal string representing the packet buffer contents

*outdev*

Address of net\_device representing output device, 0 if unknown

*br\_rmac*

Root bridge MAC address

*br\_prid*

Protocol identifier

*nf\_accept*

Constant used to signify an 'accept' verdict

*nf\_repeat*

Constant used to signify a 'repeat' verdict

*br\_max*

Max age in 1/256 secs

*indev*

Address of net\_device representing input device, 0 if unknown

*pf*

Protocol family -- always “bridge”

*br\_mac*

Bridge MAC address

# [SEE ALSO0](#SEE_ALSO0)

[*tapset::netfilter*(3stap)](/man/enterprise-packages/systemtap/tapset::netfilter.3stap)

September 2026 SystemTap Tapset Reference Ver

---

Document: probe::netfilter.bridge.local_in(3stap) from systemtap 5.6-r0 (Chainguard OS)
Source: https://sourceware.org/git/systemtap.git