ng_sixlowpan_netif: initial import

sys/Makefile

@@ -98,6 +98,9 @@ endif
 ifneq (,$(filter ng_sixlowpan_ctx,$(USEMODULE)))
     DIRS += net/network_layer/ng_sixlowpan/ctx
 endif
+ifneq (,$(filter ng_sixlowpan_netif,$(USEMODULE)))
+    DIRS += net/network_layer/ng_sixlowpan/netif
+endif
 ifneq (,$(filter netapi,$(USEMODULE)))
     DIRS += net/crosslayer/netapi
 endif

sys/include/net/ng_sixlowpan/netif.h

+/*
+ * Copyright (C) 2015 Martine Lenders <mlenders@inf.fu-berlin.de>
+ *
+ * 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    net_ng_sixlowpan_netif  6LoWPAN network interfaces
+ * @ingroup     net_ng_sixlowpan
+ * @brief       6LoWPAN specific information on @ref net_ng_netif
+ * @{
+ *
+ * @file
+ * @brief   Definitions for 6LoWPAN specific information of network interfaces.
+ *
+ * @author  Martine Lenders <mlenders@inf.fu-berlin.de>
+ */
+#ifndef NG_SIXLOWPAN_NETIF_H_
+#define NG_SIXLOWPAN_NETIF_H_
+
+#include "kernel_types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief   Definition of 6LoWPAN interface type.
+ */
+typedef struct {
+    kernel_pid_t pid;       /**< PID of the interface */
+    uint16_t max_frag_size; /**< Maximum fragment size for this interface */
+} ng_sixlowpan_netif_t;
+
+/**
+ * @brief   Initializes the module
+ */
+void ng_sixlowpan_netif_init(void);
+
+/**
+ * @brief   Add interface to 6LoWPAN.
+ *
+ * @param[in] pid           The PID to the interface.
+ * @param[in] max_frag_size The maximum fragment size for this interface.
+ */
+void ng_sixlowpan_netif_add(kernel_pid_t pid, uint16_t max_frag_size);
+
+/**
+ * @brief   REmove interface from 6LoWPAN.
+ *
+ * @param[in] pid   The PID to the interface.
+ */
+void ng_sixlowpan_netif_remove(kernel_pid_t pid);
+
+/**
+ * @brief   Get interface.
+ *
+ * @param[in] pid   The PID to the interface
+ *
+ * @return  The interface describing structure, on success.
+ * @return  NULL, if there is no interface with PID @p pid.
+ */
+ng_sixlowpan_netif_t *ng_sixlowpan_netif_get(kernel_pid_t pid);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* NG_SIXLOWPAN_NETIF_H_ */
+/** @} */

sys/net/network_layer/ng_sixlowpan/netif/Makefile

+MODULE = ng_sixlowpan_netif
+
+include $(RIOTBASE)/Makefile.base

sys/net/network_layer/ng_sixlowpan/netif/ng_sixlowpan_netif.c

+/*
+ * Copyright (C) 2015 Martine Lenders <mlenders@inf.fu-berlin.de>
+ *
+ * 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.
+ */
+
+/**
+ * @{
+ *
+ * @file
+ */
+
+#include "kernel_types.h"
+
+#include "net/ng_netif.h"
+#include "net/ng_sixlowpan/netif.h"
+
+static ng_sixlowpan_netif_t sixlow_ifs[NG_NETIF_NUMOF];
+
+void ng_sixlowpan_netif_init(void)
+{
+    for (int i = 0; i < NG_NETIF_NUMOF; i++) {
+        sixlow_ifs[i].pid = KERNEL_PID_UNDEF;
+        sixlow_ifs[i].max_frag_size = 0;
+    }
+}
+
+void ng_sixlowpan_netif_add(kernel_pid_t pid, uint16_t max_frag_size)
+{
+    for (int i = 0; i < NG_NETIF_NUMOF; i++) {
+        if (sixlow_ifs[i].pid == pid) {
+            return;
+        }
+
+        if (sixlow_ifs[i].pid == KERNEL_PID_UNDEF) {
+            sixlow_ifs[i].pid = pid;
+            sixlow_ifs[i].max_frag_size = max_frag_size;
+            return;
+        }
+    }
+}
+
+void ng_sixlowpan_netif_remove(kernel_pid_t pid)
+{
+    ng_sixlowpan_netif_t *entry = ng_sixlowpan_netif_get(pid);
+
+    entry->pid = KERNEL_PID_UNDEF;
+}
+
+ng_sixlowpan_netif_t *ng_sixlowpan_netif_get(kernel_pid_t pid)
+{
+    for (int i = 0; i < NG_NETIF_NUMOF; i++) {
+        if (sixlow_ifs[i].pid == pid) {
+            return sixlow_ifs + i;
+        }
+    }
+
+    return NULL;
+}
+
+/** @} */