diff --git a/dev-ml/pcap-format/Manifest b/dev-ml/pcap-format/Manifest
new file mode 100644
index 0000000000..0d89aac10d
--- /dev/null
+++ b/dev-ml/pcap-format/Manifest
@@ -0,0 +1 @@
+DIST pcap-format-0.5.2.tar.gz 6190 BLAKE2B c1be65a4006f6f2f5aa1f8f1af686e9d974c2188b148a60d950e86d4bc6a48924eb5e2b6d30b25d3a980a6086b774b5c2e4cad85ce0ad06f741c451d8f0d964f SHA512 aa7d58e1b30033c879ead653ed065ca418192fc37c7ec66abf8cdb52d62a0b1509b54febc519673345c1f15a24f381cb1f75cbd894ca991508461bd0a5fa139b
diff --git a/dev-ml/pcap-format/metadata.xml b/dev-ml/pcap-format/metadata.xml
new file mode 100644
index 0000000000..39e9c8c14e
--- /dev/null
+++ b/dev-ml/pcap-format/metadata.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+    <maintainer type="person">
+        <description>co-maintainers welcome</description>
+        <email>lssndrbarbieri@gmail.com</email>
+        <name>Alessandro Barbieri</name>
+    </maintainer>
+    <upstream>
+        <remote-id type="github">mirage/ocaml-pcap</remote-id>
+    </upstream>
+</pkgmetadata>
diff --git a/dev-ml/pcap-format/pcap-format-0.5.2-r2.ebuild b/dev-ml/pcap-format/pcap-format-0.5.2-r2.ebuild
new file mode 100644
index 0000000000..4be1c548db
--- /dev/null
+++ b/dev-ml/pcap-format/pcap-format-0.5.2-r2.ebuild
@@ -0,0 +1,27 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit dune
+
+DESCRIPTION="Read and write pcap-formatted network packet traces"
+HOMEPAGE="https://github.com/mirage/ocaml-pcap"
+SRC_URI="https://github.com/mirage/ocaml-pcap/archive/${PV}.tar.gz -> ${P}.tar.gz"
+S="${WORKDIR}/ocaml-pcap-${PV}"
+
+LICENSE="ISC"
+SLOT="0/${PV}"
+KEYWORDS="~amd64"
+IUSE="ocamlopt test"
+
+RDEPEND="dev-ml/cstruct[ppx]"
+DEPEND="
+	${RDEPEND}
+	test? (
+		dev-ml/ounit
+		dev-ml/mmap
+	)
+"
+
+RESTRICT="!test? ( test )"