skbtrace jun'22

[myaut]

Features:

• Context probes that allow to trace probes only when they fire in the context of the another probe

Bugfixes:

• Filter fixes
  • Filter parsing filters with nested fields containing dots (i.e. $fe->fe_key.ip_dport)
  • Fixed parsing filters with quotes
  • Fixed parsing hex-notation of integers, i.e. $eth_hdr->protocol == 0x0806
  • Fixed incorrect tcp-flags mnemonic in tcp lifetime
  • Added support for or expressions both in field (sport|dport == 80) and value (dport == 80|443) part of the filter
• Added support for 1-to-1 NAT when matching packets in tcp/forward, renamed ingress and egress to inbound and outbound correspondingly
• Added truncate parameter when dumping aggregations
• Minor improvements for GRO/GSO tracing