1PROBE::NETFILTER.I(3stap)      Networking Tapset     PROBE::NETFILTER.I(3stap)
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NAME

6       probe::netfilter.ip.pre_routing - Called before an IP packet is routed
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SYNOPSIS

9       netfilter.ip.pre_routing
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VALUES

12       rst
13           TCP RST flag (if protocol is TCP; ipv4 only)
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15       outdev_name
16           Name of network device packet will be routed to (if known)
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18       ack
19           TCP ACK flag (if protocol is TCP; ipv4 only)
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21       length
22           The length of the packet buffer contents, in bytes
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24       daddr
25           A string representing the destination IP address
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27       sport
28           TCP or UDP source port (ipv4 only)
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30       ipproto_tcp
31           Constant used to signify that the packet protocol is TCP
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33       family
34           IP address family
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36       pf
37           Protocol family - either 'ipv4' or 'ipv6'
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39       saddr
40           A string representing the source IP address
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42       nf_stop
43           Constant used to signify a 'stop' verdict
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45       nf_stolen
46           Constant used to signify a 'stolen' verdict
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48       nf_drop
49           Constant used to signify a 'drop' verdict
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51       psh
52           TCP PSH flag (if protocol is TCP; ipv4 only)
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54       nf_accept
55           Constant used to signify an 'accept' verdict
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57       data_hex
58           A hexadecimal string representing the packet buffer contents
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60       syn
61           TCP SYN flag (if protocol is TCP; ipv4 only)
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63       protocol
64           Packet protocol from driver (ipv4 only)
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66       nf_repeat
67           Constant used to signify a 'repeat' verdict
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69       indev_name
70           Name of network device packet was received on (if known)
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72       fin
73           TCP FIN flag (if protocol is TCP; ipv4 only)
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75       indev
76           Address of net_device representing input device, 0 if unknown
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78       urg
79           TCP URG flag (if protocol is TCP; ipv4 only)
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81       nf_queue
82           Constant used to signify a 'queue' verdict
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84       data_str
85           A string representing the packet buffer contents
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87       iphdr
88           Address of IP header
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90       outdev
91           Address of net_device representing output device, 0 if unknown
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93       dport
94           TCP or UDP destination port (ipv4 only)
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96       ipproto_udp
97           Constant used to signify that the packet protocol is UDP
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SEE ALSO

100       tapset::netfilter(3stap)
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104SystemTap Tapset Reference       October 2018        PROBE::NETFILTER.I(3stap)
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