ipv6_hdr: add print function

sys/include/net/ng_ipv6/hdr.h

@@ -316,6 +316,13 @@ ng_pktsnip_t *ng_ipv6_hdr_build(ng_pktsnip_t *payload,
                                 uint8_t *src, uint8_t src_len,
                                 uint8_t *dst, uint8_t dst_len);
 
+/**
+ * @brief   Outputs an IPv6 header to stdout.
+ *
+ * @param[in] hdr   An IPv6 header.
+ */
+void ng_ipv6_hdr_print(ng_ipv6_hdr_t *hdr);
+
 #ifdef __cplusplus
 }
 #endif

sys/net/crosslayer/ng_pktdump/ng_pktdump.c

@@ -62,29 +62,6 @@ static void _dump_netif_hdr(ng_netif_hdr_t *hdr)
 }
 #endif
 
-#ifdef MODULE_NG_IPV6
-static void _dump_ipv6_hdr(ng_ipv6_hdr_t *hdr)
-{
-    char addr_str[NG_IPV6_ADDR_MAX_STR_LEN];
-
-    if (!ng_ipv6_hdr_is(hdr)) {
-        printf("illegal version field: %" PRIu8 "\n", ng_ipv6_hdr_get_version(hdr));
-    }
-
-    printf("traffic class: 0x%02" PRIx8 " (ECN: 0x%" PRIx8 ", DSCP: 0x%02" PRIx8 ")\n",
-           ng_ipv6_hdr_get_tc(hdr), ng_ipv6_hdr_get_tc_ecn(hdr),
-           ng_ipv6_hdr_get_tc_dscp(hdr));
-    printf("flow label: 0x%05" PRIx32 "\n", ng_ipv6_hdr_get_fl(hdr));
-    printf("length: %" PRIu16 "  next header: %" PRIu8 "  hop limit: %" PRIu8 "\n",
-           byteorder_ntohs(hdr->len), hdr->nh, hdr->hl);
-    printf("source address: %s\n", ng_ipv6_addr_to_str(addr_str, &hdr->src,
-            sizeof(addr_str)));
-    printf("destination address: %s\n", ng_ipv6_addr_to_str(addr_str, &hdr->dst,
-            sizeof(addr_str)));
-
-}
-#endif
-
 static void _dump_snip(ng_pktsnip_t *pkt)
 {
     switch (pkt->type) {
@@ -106,7 +83,7 @@ static void _dump_snip(ng_pktsnip_t *pkt)
 #ifdef MODULE_NG_IPV6
         case NG_NETTYPE_IPV6:
             printf("NETTYPE_IPV6 (%i)\n", pkt->type);
-            _dump_ipv6_hdr(pkt->data);
+            ng_ipv6_hdr_print(pkt->data);
             break;
 #endif
 #ifdef MODULE_NG_ICMPV6

sys/net/network_layer/ng_ipv6/hdr/ng_ipv6_hdr_print.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 <stdio.h>
+
+#include "net/ng_ipv6/hdr.h"
+
+void ng_ipv6_hdr_print(ng_ipv6_hdr_t *hdr)
+{
+    char addr_str[NG_IPV6_ADDR_MAX_STR_LEN];
+
+    if (!ng_ipv6_hdr_is(hdr)) {
+        printf("illegal version field: %" PRIu8 "\n", ng_ipv6_hdr_get_version(hdr));
+    }
+
+    printf("traffic class: 0x%02" PRIx8 " (ECN: 0x%" PRIx8 ", DSCP: 0x%02" PRIx8 ")\n",
+           ng_ipv6_hdr_get_tc(hdr), ng_ipv6_hdr_get_tc_ecn(hdr),
+           ng_ipv6_hdr_get_tc_dscp(hdr));
+    printf("flow label: 0x%05" PRIx32 "\n", ng_ipv6_hdr_get_fl(hdr));
+    printf("length: %" PRIu16 "  next header: %" PRIu8 "  hop limit: %" PRIu8 "\n",
+           byteorder_ntohs(hdr->len), hdr->nh, hdr->hl);
+    printf("source address: %s\n", ng_ipv6_addr_to_str(addr_str, &hdr->src,
+            sizeof(addr_str)));
+    printf("destination address: %s\n", ng_ipv6_addr_to_str(addr_str, &hdr->dst,
+            sizeof(addr_str)));
+
+}
+
+/** @} */