[receiver/netflow] Add common EtherTypes

Adds some common EtherTypes to the parser.

Author: spacekitteh

.chloggen/netflow-additional-ethertypes.yaml

@@ -0,0 +1,24 @@
+# Use this changelog template to create an entry for release notes.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: enhancement
+
+# The name of the component, or a single word describing the area of concern, (e.g. filelogreceiver)
+component: receiver/netflow
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Adds additional common EtherTypes for `network.type`.
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+issues: [40219]
+
+subtext:
+
+# If your change doesn't affect end users or the exported elements of any package,
+# you should instead start your pull request title with [chore] or use the "Skip Changelog" label.
+# Optional: The change log or logs in which this entry should be included.
+# e.g. '[user]' or '[user, api]'
+# Include 'user' if the change is relevant to end users.
+# Include 'api' if there is a change to a library API.
+# Default: '[user]'
+change_logs: [user]

Makefile.Common

@@ -2,7 +2,7 @@
 # the value `-o pipefail` (or `set -o pipefail`) is added to each shell command that make runs
 # otherwise in the example command pipe, only the exit code of `tee` is recorded instead of `go test` which can cause
 # test to pass in CI when they should not.
-SHELL = /bin/bash
+SHELL = /usr/bin/env bash
 .SHELLFLAGS = -o pipefail -c
 
 # SRC_ROOT is the top of the source tree.

flake.lock

@@ -17,11 +17,19 @@ import (
 
 var (
 
-	// https://en.wikipedia.org/wiki/EtherType
+	// https://www.iana.org/assignments/ieee-802-numbers/ieee-802-numbers.xhtml#ieee-802-numbers-1
 	etypeNames = map[uint32]string{
 		0x806:  "arp",
 		0x800:  "ipv4",
+		0x814c: "snmp",
 		0x86dd: "ipv6",
+		0x8847: "mpls",
+		0x888e: "eapol",
+		0x88cc: "lldp",
+		0x88e5: "macsec",
+		0x88f5: "mvrp",
+		0x88f7: "ptp",
+		0xa0ed: "6lowpan",
 	}
 
 	// https://www.iana.org/assignments/protocol-numbers/protocol-numbers.xhtml