libschc: initial import as package

CODEOWNERS

@@ -99,6 +99,7 @@
 /drivers/include/periph/ptp.h               @maribu
 
 /pkg/cryptoauthlib/                         @Einhornhool @PeterKietzmann
+/pkg/libschc/                               @bartmoons @miri64
 /pkg/lua/                                   @jcarrano
 /pkg/lwip/                                  @miri64
 /pkg/gecko_sdk/                             @basilfx
@@ -145,6 +146,7 @@
 /tests/driver_dht/                          @wosym
 /tests/gnrc*                                @miri64
 /tests/lwip*                                @miri64
+/tests/pkg_libschc/                         @miri64
 /tests/slip/                                @miri64
 /tests/unittests                            @miri64
 /tests/*/tests/*.py                         @miri64

pkg/Kconfig

@@ -39,6 +39,7 @@ rsource "libb2/Kconfig"
 rsource "libcose/Kconfig"
 rsource "libfixmath/Kconfig"
 rsource "libhydrogen/Kconfig"
+rsource "libschc/Kconfig"
 rsource "littlefs2/Kconfig"
 rsource "lorabasics/Kconfig"
 rsource "lora-serialization/Kconfig"

pkg/libschc/Kconfig

@@ -0,0 +1,39 @@
+# Copyright (c) 2022 Freie Universität 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_USEPKG_LIBSCHC
+    bool "Configure libSCHC"
+    depends on USEPKG_LIBSCHC
+    help
+        Configure libSCHC package via Kconfig.
+
+if KCONFIG_USEPKG_LIBSCHC
+
+config LIBSCHC_STATIC_MEMBUF_LEN
+    int "Static memory allocation buffer length"
+    default 1024
+    help
+        Length of the static memory buffer for fragment data allocation in reassembly buffer in
+        bytes.
+
+config LIBSCHC_MBUF_POOL_SIZE
+    int "Maximum number of mbuf pool entries"
+    default 64
+    help
+        Maximum number of entries in the mbuf used for fragment reassembly.
+
+config LIBSCHC_MAX_RX_CONNS
+    int "Maximum number of incoming connections"
+    default 1
+
+config LIBSCHC_MAX_MTU_LEN
+    int "Maximum transfer unit of the underlying technology"
+    default 242
+
+config LIBSCHC_DEBUG
+    bool "Enable debug output"
+
+endif # KCONFIG_USEPKG_LIBSCHC

pkg/libschc/Makefile

@@ -0,0 +1,9 @@
+PKG_NAME=libschc
+PKG_URL=https://github.com/imec-idlab/libschc
+PKG_VERSION=303e9f15bf69da5a68cda76796c76de353f44a88
+PKG_LICENSE=GPL-v3.0
+
+include $(RIOTBASE)/pkg/pkg.mk
+
+all:
+	+$(QQ)"$(MAKE)" -C $(PKG_SOURCE_DIR) -f $(RIOTBASE)/Makefile.base

pkg/libschc/Makefile.dep

@@ -0,0 +1,9 @@
+ifneq (,$(filter libschc_%,$(USEMODULE)))
+  USEPKG += libschc
+endif
+
+ifneq (,$(filter libschc,$(USEPKG)))
+  USEMODULE += libschc_udpv6
+endif
+
+FEATURES_BLACKLIST += arch_8bit arch_16bit arch_esp8266

pkg/libschc/Makefile.include

@@ -0,0 +1,12 @@
+CFLAGS += -Wno-enum-conversion
+CFLAGS += -Wno-old-style-definition
+CFLAGS += -Wno-sign-compare
+CFLAGS += -Wno-strict-prototypes
+CFLAGS += -Wno-unused-parameter
+CFLAGS += -Wno-unused-variable
+
+INCLUDES += -I$(RIOTBASE)/pkg/libschc/include
+INCLUDES += -I$(PKGDIRBASE)/libschc
+
+PSEUDOMODULES += libschc_coap
+PSEUDOMODULES += libschc_udpv6

pkg/libschc/doc.txt

@@ -0,0 +1,11 @@
+/**
+ * @defgroup pkg_libschc    libSCHC
+ * @ingroup pkg
+ * @brief   Provides support for Static Context Header Compression and Fragmentation (SCHC)
+ * @see     https://github.com/imec-idlab/libschc
+ * @see     [RFC 8724](https://datatracker.ietf.org/doc/html/rfc8724)
+ * @experimental
+ *
+ * libSCHC is a C implementation of Static Context Header Compression and
+   Fragmentation
+ */

pkg/libschc/include/libschc/config.h

@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2022 Freie Universität 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.
+ */
+
+/**
+ * @defgroup    pkg_libschc_config libSCHC compile-time configuration
+ * @ingroup     pkg_libschc
+ * @ingroup     config
+ * @brief       Compile-time configuration for libSCHC
+ * @{
+ *
+ * @file
+ * @brief       RIOT-side compile-time configuration for libSCHC
+ *
+ * @author  Martine S. Lenders <m.lenders@fu-berlin.de>
+ */
+#ifndef LIBSCHC_CONFIG_H
+#define LIBSCHC_CONFIG_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief   Static memory buffer length
+ *
+ * Length of the static memory buffer for fragmentation in bytes.
+ */
+#ifndef CONFIG_LIBSCHC_STATIC_MEMBUF_LEN
+#define CONFIG_LIBSCHC_STATIC_MEMBUF_LEN    1024
+#endif
+
+/**
+ * @brief   Maximum number of mbuf pool entries
+ *
+ * Maximum number of entries in the mbuf used for fragment reassembly.
+ */
+#ifndef CONFIG_LIBSCHC_MBUF_POOL_SIZE
+#define CONFIG_LIBSCHC_MBUF_POOL_SIZE       64
+#endif
+
+/**
+ * @brief   Maximum number of incoming connections
+ */
+#ifndef CONFIG_LIBSCHC_MAX_RX_CONNS
+#define CONFIG_LIBSCHC_MAX_RX_CONNS         1
+#endif
+
+/**
+ * @brief Maximum transfer unit of the underlying technology
+ */
+#ifndef CONFIG_LIBSCHC_MAX_MTU_LEN
+#define CONFIG_LIBSCHC_MAX_MTU_LEN          242
+#endif
+
+/**
+ * @brief   Enable debug output
+ */
+#ifndef CONFIG_LIBSCHC_DEBUG
+#define CONFIG_LIBSCHC_DEBUG
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LIBSCHC_CONFIG_H */
+/** @} */

pkg/libschc/include/rules/rule_config.h

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2018 imec IDLab
+ * Copyright (C) 2022 Freie Universität Berlin
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * @internal
+ * @author  boortmans <bart.moons@gmail.com>
+ * @author  Martine S. Lenders <m.lenders@fu-berlin.de>
+ */
+#ifndef RULES_RULE_CONFIG_H
+#define RULES_RULE_CONFIG_H
+
+#include "rules.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* RULES_RULE_CONFIG_H */