1PROBE::NETFILTER.B(3stap) Networking Tapset PROBE::NETFILTER.B(3stap)
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6 probe::netfilter.bridge.pre_routing - - Called before a bridging packet
7 is routed
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10 netfilter.bridge.pre_routing
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13 brhdr
14 Address of bridge header
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16 data_str
17 A string representing the packet buffer contents
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19 length
20 The length of the packet buffer contents, in bytes
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22 br_fd
23 Forward delay in 1/256 secs
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25 nf_queue
26 Constant used to signify a 'queue' verdict
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28 indev_name
29 Name of network device packet was received on (if known)
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31 nf_drop
32 Constant used to signify a 'drop' verdict
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34 br_type
35 BPDU type
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37 br_htime
38 Hello time in 1/256 secs
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40 br_cost
41 Total cost from transmitting bridge to root
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43 pf
44 Protocol family -- always “bridge”
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46 br_bid
47 Identity of bridge
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49 br_rmac
50 Root bridge MAC address
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52 br_rid
53 Identity of root bridge
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55 nf_stop
56 Constant used to signify a 'stop' verdict
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58 llcpdu
59 Address of LLC Protocol Data Unit
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61 outdev_name
62 Name of network device packet will be routed to (if known)
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64 protocol
65 Packet protocol
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67 llcproto_stp
68 Constant used to signify Bridge Spanning Tree Protocol packet
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70 br_max
71 Max age in 1/256 secs
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73 br_msg
74 Message age in 1/256 secs
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76 br_flags
77 BPDU flags
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79 br_vid
80 Protocol version identifier
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82 br_poid
83 Port identifier
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85 br_prid
86 Protocol identifier
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88 nf_repeat
89 Constant used to signify a 'repeat' verdict
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91 nf_stolen
92 Constant used to signify a 'stolen' verdict
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94 br_mac
95 Bridge MAC address
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97 outdev
98 Address of net_device representing output device, 0 if unknown
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100 indev
101 Address of net_device representing input device, 0 if unknown
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103 data_hex
104 A hexadecimal string representing the packet buffer contents
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106 nf_accept
107 Constant used to signify an 'accept' verdict
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110 tapset::netfilter(3stap)
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114SystemTap Tapset Reference November 2022 PROBE::NETFILTER.B(3stap)