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

94       tapset::netfilter(3stap)
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98SystemTap Tapset Reference         June 2018         PROBE::NETFILTER.I(3stap)
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