1PROBE::NETFILTER.I(3stap) Networking Tapset PROBE::NETFILTER.I(3stap)
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6 probe::netfilter.ip.forward - Called on an incoming IP packet addressed
7 to some other computer
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10 netfilter.ip.forward
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13 urg
14 TCP URG flag (if protocol is TCP; ipv4 only)
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16 protocol
17 Packet protocol from driver (ipv4 only)
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19 indev
20 Address of net_device representing input device, 0 if unknown
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22 nf_accept
23 Constant used to signify an ´accept´ verdict
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25 pf
26 Protocol family -- either “ipv4” or “ipv6”
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28 ipproto_tcp
29 Constant used to signify that the packet protocol is TCP
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31 rst
32 TCP RST flag (if protocol is TCP; ipv4 only)
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34 dport
35 TCP or UDP destination port (ipv4 only)
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37 nf_queue
38 Constant used to signify a ´queue´ verdict
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40 nf_stolen
41 Constant used to signify a ´stolen´ verdict
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43 ipproto_udp
44 Constant used to signify that the packet protocol is UDP
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46 outdev_name
47 Name of network device packet will be routed to (if known)
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49 ack
50 TCP ACK flag (if protocol is TCP; ipv4 only)
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52 fin
53 TCP FIN flag (if protocol is TCP; ipv4 only)
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55 nf_drop
56 Constant used to signify a ´drop´ verdict
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58 psh
59 TCP PSH flag (if protocol is TCP; ipv4 only)
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61 saddr
62 A string representing the source IP address
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64 nf_stop
65 Constant used to signify a ´stop´ verdict
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67 length
68 The length of the packet buffer contents, in bytes
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70 daddr
71 A string representing the destination IP address
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73 outdev
74 Address of net_device representing output device, 0 if unknown
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76 syn
77 TCP SYN flag (if protocol is TCP; ipv4 only)
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79 sport
80 TCP or UDP source port (ipv4 only)
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82 nf_repeat
83 Constant used to signify a ´repeat´ verdict
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85 indev_name
86 Name of network device packet was received on (if known)
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88 family
89 IP address family
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91 iphdr
92 Address of IP header
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95 tapset::netfilter(3stap)
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99SystemTap Tapset Reference June 2018 PROBE::NETFILTER.I(3stap)