From cabcfae9e0fcc52580f43f760b4b4fc8aa354d18 Mon Sep 17 00:00:00 2001
From: Akshai M <akshai.kannan@gmail.com>
Date: Mon, 11 May 2020 20:36:29 +0530
Subject: [PATCH] gnrc/pktbuf : Expose to Kconfig

Expose CONF_GNRC_PKTBUF_SIZE to Kconfig
---
 sys/net/gnrc/Kconfig        |  1 +
 sys/net/gnrc/pktbuf/Kconfig | 24 ++++++++++++++++++++++++
 2 files changed, 25 insertions(+)
 create mode 100644 sys/net/gnrc/pktbuf/Kconfig

diff --git a/sys/net/gnrc/Kconfig b/sys/net/gnrc/Kconfig
index 34d4981597..18e9c239d2 100644
--- a/sys/net/gnrc/Kconfig
+++ b/sys/net/gnrc/Kconfig
@@ -12,6 +12,7 @@ rsource "link_layer/lorawan/Kconfig"
 rsource "netif/Kconfig"
 rsource "network_layer/ipv6/Kconfig"
 rsource "network_layer/sixlowpan/Kconfig"
+rsource "pktbuf/Kconfig"
 rsource "pktdump/Kconfig"
 rsource "routing/rpl/Kconfig"
 rsource "transport_layer/tcp/Kconfig"
diff --git a/sys/net/gnrc/pktbuf/Kconfig b/sys/net/gnrc/pktbuf/Kconfig
new file mode 100644
index 0000000000..a8e16347de
--- /dev/null
+++ b/sys/net/gnrc/pktbuf/Kconfig
@@ -0,0 +1,24 @@
+# Copyright (c) 2020 Freie Universitaet Berlin
+#
+# This file is subject to the terms and conditions of the GNU Lesser
+# General Public License v2.1. See the file LICENSE in the top level
+# directory for more details.
+#
+menuconfig KCONFIG_MODULE_GNRC_PKTBUF
+    bool "Configure GNRC_PKTBUF"
+    depends on MODULE_GNRC_PKTBUF
+    help
+        Configure the GNRC_PKTBUF using Kconfig.
+
+if KCONFIG_MODULE_GNRC_PKTBUF
+
+config GNRC_PKTBUF_SIZE
+    int "Maximum size of the static packet buffer"
+    default 6144
+    help
+        Set the value to 0 to allow dynamic memory management to allocate
+        packets. The rational here is to have enough space for 4 full-MTU IPv6
+        packets (2 incoming, 2 outgoing; 2 * 2 * 1280 B = 5 KiB) + Meta-Data
+        (roughly estimated to 1 KiB; might be smaller).
+
+endif # KCONFIG_MODULE_GNRC_PKTBUF