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Do not lookup ignore_checksums_nets for every packet

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This could lead to a noticeable (single-percent) performance
improvement.

Most of the functionality for this is in the packet analyzers that now
cache ignore_chesksums_nets.

Based on a patch by Arne Welzel (Corelight).
This commit is contained in:
Johanna Amann 2021-08-06 10:32:53 +01:00
parent d24cecf268
commit 8192ad581d
13 changed files with 101 additions and 7 deletions
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7
scripts/base/init-bare.zeek
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@ -25,6 +25,13 @@ type string_any_table: table[string] of any;
## directly and then remove this alias.
type string_set: set[string];
## A set of subnets.
##
## .. todo:: We need this type definition only for declaring builtin functions
## via ``bifcl``. We should extend ``bifcl`` to understand composite types
## directly and then remove this alias.
type subnet_set: set[subnet];
## A set of addresses.
##
## .. todo:: We need this type definition only for declaring builtin functions