Merge pull request #10665 from miri64/gnrc_sixloenc/feat/initial

 gnrc_sixloenc: introduce pseudo-module to send 6Lo frames over Ethernet

Makefile.dep

@@ -154,7 +154,7 @@ ifneq (,$(filter gnrc_netif,$(USEMODULE)))
   endif
 endif
 
-ifneq (,$(filter ieee802154 nrfmin esp_now,$(USEMODULE)))
+ifneq (,$(filter ieee802154 nrfmin esp_now gnrc_sixloenc,$(USEMODULE)))
   ifneq (,$(filter gnrc_ipv6, $(USEMODULE)))
     USEMODULE += gnrc_sixlowpan
   endif

makefiles/pseudomodules.inc.mk

@@ -25,6 +25,7 @@ PSEUDOMODULES += gnrc_neterr
 PSEUDOMODULES += gnrc_netapi_callbacks
 PSEUDOMODULES += gnrc_netapi_mbox
 PSEUDOMODULES += gnrc_pktbuf_cmd
+PSEUDOMODULES += gnrc_sixloenc
 PSEUDOMODULES += gnrc_sixlowpan_border_router_default
 PSEUDOMODULES += gnrc_sixlowpan_default
 PSEUDOMODULES += gnrc_sixlowpan_iphc_nhc

sys/include/net/ethertype.h

@@ -37,6 +37,7 @@ extern "C" {
 #define ETHERTYPE_CCNX          (0x0801)    /**< Parc CCNX */
 #define ETHERTYPE_NDN           (0x8624)    /**< NDN Protocol (http://named-data.net/) */
 #define ETHERTYPE_IPV6          (0x86dd)    /**< Internet protocol version 6 */
+#define ETHERTYPE_6LOENC        (0xa0ed)    /**< 6LoWPAN encapsulation */
 #define ETHERTYPE_UNKNOWN       (0xffff)    /**< Reserved (no protocol specified) */
 
 #ifdef __cplusplus

sys/include/net/gnrc/nettype.h

@@ -158,6 +158,10 @@ static inline gnrc_nettype_t gnrc_nettype_from_ethertype(uint16_t type)
 #elif defined(MODULE_NDN_RIOT)
             return GNRC_NETTYPE_NDN;
 #endif
+#endif
+#ifdef MODULE_GNRC_SIXLOENC
+        case ETHERTYPE_6LOENC:
+            return GNRC_NETTYPE_SIXLOWPAN;
 #endif
         default:
             return GNRC_NETTYPE_UNDEF;
@@ -178,6 +182,10 @@ static inline gnrc_nettype_t gnrc_nettype_from_ethertype(uint16_t type)
 static inline uint16_t gnrc_nettype_to_ethertype(gnrc_nettype_t type)
 {
     switch (type) {
+#ifdef MODULE_GNRC_SIXLOENC
+        case GNRC_NETTYPE_SIXLOWPAN:
+            return ETHERTYPE_6LOENC;
+#endif
 #ifdef MODULE_GNRC_IPV6
         case GNRC_NETTYPE_IPV6:
             return ETHERTYPE_IPV6;

sys/net/gnrc/netif/gnrc_netif.c

@@ -1114,6 +1114,9 @@ static ipv6_addr_t *_src_addr_selection(gnrc_netif_t *netif,
 bool gnrc_netif_is_6ln(const gnrc_netif_t *netif)
 {
     switch (netif->device_type) {
+#ifdef MODULE_GNRC_SIXLOENC
+        case NETDEV_TYPE_ETHERNET:
+#endif
         case NETDEV_TYPE_IEEE802154:
         case NETDEV_TYPE_CC110X:
         case NETDEV_TYPE_BLE:
@@ -1177,7 +1180,9 @@ static void _init_from_device(gnrc_netif_t *netif)
     assert(res == sizeof(tmp));
     netif->device_type = (uint8_t)tmp;
     switch (netif->device_type) {
-#if defined(MODULE_NETDEV_IEEE802154) || defined(MODULE_NRFMIN) || defined(MODULE_XBEE) || defined(MODULE_ESP_NOW)
+#if defined(MODULE_NETDEV_IEEE802154) || defined(MODULE_NRFMIN) || \
+    defined(MODULE_XBEE) || defined(MODULE_ESP_NOW) || \
+    defined(MODULE_GNRC_SIXLOENC)
         case NETDEV_TYPE_IEEE802154:
         case NETDEV_TYPE_NRFMIN:
 #ifdef MODULE_GNRC_SIXLOWPAN_IPHC
@@ -1201,6 +1206,9 @@ static void _init_from_device(gnrc_netif_t *netif)
         case NETDEV_TYPE_ETHERNET:
 #ifdef MODULE_GNRC_IPV6
             netif->ipv6.mtu = ETHERNET_DATA_LEN;
+#endif
+#if defined(MODULE_GNRC_SIXLOWPAN_IPHC) && defined(MODULE_GNRC_SIXLOENC)
+            netif->flags |= GNRC_NETIF_FLAGS_6LO_HC;
 #endif
             break;
 #endif