diff --git a/sys/net/rpl/etx_beaconing.c b/sys/net/rpl/etx_beaconing.c
index 0462d58d99c311c26d7c9d52c4c60021b512fe59..f6e4d9bbd0d1a0bba2575627e27da861e8af39ae 100644
--- a/sys/net/rpl/etx_beaconing.c
+++ b/sys/net/rpl/etx_beaconing.c
@@ -19,7 +19,7 @@
 #include "ieee802154/ieee802154_frame.h"
 
 //prototytpes
-static uint8_t etx_count_packet_tx(etx_neighbor_t * candidate);
+static uint8_t etx_count_packet_tx(etx_neighbor_t *candidate);
 static void etx_set_packets_received(void);
 static bool etx_equal_id(ipv6_addr_t *id1, ipv6_addr_t *id2);
 
@@ -89,37 +89,42 @@ transceiver_command_t tcmd;
 msg_t mesg;
 
 //RPL-address
-static ipv6_addr_t * own_address;
+static ipv6_addr_t *own_address;
 
-static etx_probe_t * etx_get_send_buf(void) {
-    return ((etx_probe_t *) &(etx_send_buf[0]));
+static etx_probe_t *etx_get_send_buf(void)
+{
+    return ((etx_probe_t *) & (etx_send_buf[0]));
 }
-static etx_probe_t * etx_get_rec_buf(void) {
-    return ((etx_probe_t *) &(etx_rec_buf[0]));
+static etx_probe_t *etx_get_rec_buf(void)
+{
+    return ((etx_probe_t *) & (etx_rec_buf[0]));
 }
 
-void show_candidates(void) {
-    etx_neighbor_t * candidate;
+void show_candidates(void)
+{
+    etx_neighbor_t *candidate;
     etx_neighbor_t *end;
 
     for (candidate = &candidates[0], end = candidates
-            + ETX_MAX_CANDIDATE_NEIGHBORS; candidate < end;
-            candidate++) {
+                                           + ETX_MAX_CANDIDATE_NEIGHBORS; candidate < end;
+         candidate++) {
         if (candidate->used == 0) {
             break;
         }
+
         printf("Candidates Addr:%d\n"
-                "\t cur_etx:%f\n"
-                "\t packets_rx:%d\n"
-                "\t packets_tx:%d\n"
-                "\t used:%d\n", candidate->addr.uint8[ETX_IPV6_LAST_BYTE],
-                candidate->cur_etx, candidate->packets_rx,
-                etx_count_packet_tx(candidate),
-                candidate->used);
+               "\t cur_etx:%f\n"
+               "\t packets_rx:%d\n"
+               "\t packets_tx:%d\n"
+               "\t used:%d\n", candidate->addr.uint8[ETX_IPV6_LAST_BYTE],
+               candidate->cur_etx, candidate->packets_rx,
+               etx_count_packet_tx(candidate),
+               candidate->used);
     }
 }
 
-void etx_init_beaconing(ipv6_addr_t * address) {
+void etx_init_beaconing(ipv6_addr_t *address)
+{
     mutex_init(&etx_mutex);
     own_address = address;
     //set code
@@ -127,29 +132,30 @@ void etx_init_beaconing(ipv6_addr_t * address) {
     etx_send_buf[0] = ETX_PKT_OPTVAL;
 
     etx_beacon_pid = thread_create(etx_beacon_buf, ETX_BEACON_STACKSIZE,
-            PRIORITY_MAIN - 1, CREATE_STACKTEST,
-            etx_beacon, "etx_beacon");
+                                   PRIORITY_MAIN - 1, CREATE_STACKTEST,
+                                   etx_beacon, "etx_beacon");
 
     etx_radio_pid = thread_create(etx_radio_buf, ETX_RADIO_STACKSIZE,
-            PRIORITY_MAIN - 1, CREATE_STACKTEST,
-            etx_radio, "etx_radio");
+                                  PRIORITY_MAIN - 1, CREATE_STACKTEST,
+                                  etx_radio, "etx_radio");
 
     etx_clock_pid = thread_create(etx_clock_buf, ETX_CLOCK_STACKSIZE,
-            PRIORITY_MAIN - 1, CREATE_STACKTEST,
-            etx_clock, "etx_clock");
+                                  PRIORITY_MAIN - 1, CREATE_STACKTEST,
+                                  etx_clock, "etx_clock");
     //register at transceiver
     transceiver_register(TRANSCEIVER_CC1100, etx_radio_pid);
     puts("...[DONE]");
 }
 
-void etx_beacon(void) {
+void etx_beacon(void)
+{
     /*
      * Sends a message every ETX_INTERVAL +/- a jitter-value (default is 10%) .
      * A correcting variable is needed to stay at a base interval of
      * ETX_INTERVAL between the wakeups. It takes the old jittervalue in account
      * and modifies the time to wait accordingly.
      */
-    etx_probe_t * packet = etx_get_send_buf();
+    etx_probe_t *packet = etx_get_send_buf();
     uint8_t p_length = 0;
 
     /*
@@ -165,47 +171,55 @@ void etx_beacon(void) {
         mutex_lock(&etx_mutex);
         //Build etx packet
         p_length = 0;
+
         for (uint8_t i = 0; i < ETX_BEST_CANDIDATES; i++) {
             if (candidates[i].used != 0) {
                 packet->data[i * ETX_TUPLE_SIZE] =
-                        candidates[i].addr.uint8[ETX_IPV6_LAST_BYTE];
+                    candidates[i].addr.uint8[ETX_IPV6_LAST_BYTE];
                 packet->data[i * ETX_TUPLE_SIZE + ETX_PKT_REC_OFFSET] =
-                        etx_count_packet_tx(&candidates[i]);
+                    etx_count_packet_tx(&candidates[i]);
                 p_length = p_length + ETX_PKT_HDR_LEN;
             }
         }
+
         packet->length = p_length;
         send_ieee802154_frame(&empty_addr, &etx_send_buf[0],
-                ETX_DATA_MAXLEN+ETX_PKT_HDR_LEN, 1);
+                              ETX_DATA_MAXLEN + ETX_PKT_HDR_LEN, 1);
         DEBUG("sent beacon!\n");
         etx_set_packets_received();
         cur_round++;
+
         if (cur_round == ETX_WINDOW) {
             if (reached_window != 1) {
                 //first round is through
                 reached_window = 1;
             }
+
             cur_round = 0;
         }
-        mutex_unlock(&etx_mutex);
+
+        mutex_unlock(&etx_mutex, 0);
     }
 }
 
-etx_neighbor_t * etx_find_candidate(ipv6_addr_t * address) {
+etx_neighbor_t *etx_find_candidate(ipv6_addr_t *address)
+{
     /*
      * find the candidate with address address and returns it, or returns NULL
      * if no candidate having this address was found.
      */
     for (uint8_t i = 0; i < ETX_MAX_CANDIDATE_NEIGHBORS; i++) {
         if (candidates[i].used
-                && (etx_equal_id(&candidates[i].addr, address))) {
+            && (etx_equal_id(&candidates[i].addr, address))) {
             return &candidates[i];
         }
     }
+
     return NULL ;
 }
 
-void etx_clock(void) {
+void etx_clock(void)
+{
     /*
      * Manages the etx_beacon thread to wake up every full second +- jitter
      */
@@ -217,7 +231,7 @@ void etx_clock(void) {
      * That is why they are multiplied by 1000 when used for hwtimer_wait.
      */
     uint8_t jittercorrection = ETX_DEF_JIT_CORRECT;
-    uint8_t jitter = (uint8_t) (rand() % ETX_JITTER_MOD);
+    uint8_t jitter = (uint8_t)(rand() % ETX_JITTER_MOD);
 
     while (true) {
         thread_wakeup(etx_beacon_pid);
@@ -227,32 +241,37 @@ void etx_clock(void) {
          * for now.
          */
         vtimer_usleep(
-                ((ETX_INTERVAL - ETX_MAX_JITTER)*MS)+ jittercorrection*MS + jitter*MS - ETX_CLOCK_ADJUST);
+            ((ETX_INTERVAL - ETX_MAX_JITTER)*MS) + jittercorrection * MS + jitter * MS - ETX_CLOCK_ADJUST);
 
         //hwtimer_wait(
         //        HWTIMER_TICKS(((ETX_INTERVAL - ETX_MAX_JITTER)*MS) + jittercorrection*MS + jitter*MS - ETX_CLOCK_ADJUST));
 
         jittercorrection = (ETX_MAX_JITTER) - jitter;
-        jitter = (uint8_t) (rand() % ETX_JITTER_MOD);
+        jitter = (uint8_t)(rand() % ETX_JITTER_MOD);
     }
 }
 
-double etx_get_metric(ipv6_addr_t * address) {
-    etx_neighbor_t * candidate = etx_find_candidate(address);
-    if (candidate != NULL ) {
+double etx_get_metric(ipv6_addr_t *address)
+{
+    etx_neighbor_t *candidate = etx_find_candidate(address);
+
+    if (candidate != NULL) {
         if (etx_count_packet_tx(candidate) > 0) {
             //this means the current etx_value is not outdated
             return candidate->cur_etx;
-        } else {
+        }
+        else {
             //The last time I received a packet is too long ago to give a
             //good estimate of the etx value
             return 0;
         }
     }
+
     return 0;
 }
 
-etx_neighbor_t * etx_add_candidate(ipv6_addr_t * address) {
+etx_neighbor_t *etx_add_candidate(ipv6_addr_t *address)
+{
     DEBUG("add candidate\n");
     /*
      * Pre-Condition:   etx_add_candidate should only be called when the
@@ -275,16 +294,17 @@ etx_neighbor_t * etx_add_candidate(ipv6_addr_t * address) {
      * Returns the pointer to the candidate if it was added, or a NULL-pointer
      * otherwise.
      */
-    etx_neighbor_t * candidate;
-    etx_neighbor_t * end;
+    etx_neighbor_t *candidate;
+    etx_neighbor_t *end;
 
     for (candidate = &candidates[0], end = candidates
-            + ETX_MAX_CANDIDATE_NEIGHBORS; candidate < end;
-            candidate++) {
+                                           + ETX_MAX_CANDIDATE_NEIGHBORS; candidate < end;
+         candidate++) {
         if (candidate->used) {
             //skip
             continue;
-        } else {
+        }
+        else {
             //We still have a free place add the new candidate
             memset(candidate, 0, sizeof(*candidate));
             candidate->addr = *address;
@@ -294,27 +314,31 @@ etx_neighbor_t * etx_add_candidate(ipv6_addr_t * address) {
             return candidate;
         }
     }
+
     return NULL ;
 }
 
-void etx_handle_beacon(ipv6_addr_t * candidate_address) {
+void etx_handle_beacon(ipv6_addr_t *candidate_address)
+{
     /*
      * Handle the ETX probe that has been received and update all infos.
      * If the candidate address is unknown, try to add it to my struct.
      */
 
     DEBUG(
-            "ETX beacon package received with following values:\n"
-            "\tPackage Option:%x\n"
-            "\t   Data Length:%u\n"
-            "\tSource Address:%d\n\n", etx_rec_buf[ETX_PKT_OPT], etx_rec_buf[ETX_PKT_LEN],
-            candidate_address->uint8[ETX_IPV6_LAST_BYTE]);
-
-    etx_neighbor_t* candidate = etx_find_candidate(candidate_address);
-    if (candidate == NULL ) {
+        "ETX beacon package received with following values:\n"
+        "\tPackage Option:%x\n"
+        "\t   Data Length:%u\n"
+        "\tSource Address:%d\n\n", etx_rec_buf[ETX_PKT_OPT], etx_rec_buf[ETX_PKT_LEN],
+        candidate_address->uint8[ETX_IPV6_LAST_BYTE]);
+
+    etx_neighbor_t *candidate = etx_find_candidate(candidate_address);
+
+    if (candidate == NULL) {
         //Candidate was not found in my list, I should add it
         candidate = etx_add_candidate(candidate_address);
-        if (candidate == NULL ) {
+
+        if (candidate == NULL) {
             puts("[ERROR] Candidate could not get added");
             puts("Increase the constant ETX_MAX_CANDIDATE_NEIHGBORS");
             return;
@@ -327,18 +351,18 @@ void etx_handle_beacon(ipv6_addr_t * candidate_address) {
 
     // If i find my address in this probe, update the packet_rx value for
     // this candidate.
-    etx_probe_t * rec_pkt = etx_get_rec_buf();
+    etx_probe_t *rec_pkt = etx_get_rec_buf();
 
     for (uint8_t i = 0; i < rec_pkt->length / ETX_TUPLE_SIZE; i++) {
         DEBUG("\tIPv6 short Addr:%u\n"
-        "\tPackets f. Addr:%u\n\n", rec_pkt->data[i * ETX_TUPLE_SIZE],
-            rec_pkt->data[i * ETX_TUPLE_SIZE + ETX_PKT_REC_OFFSET]);
+              "\tPackets f. Addr:%u\n\n", rec_pkt->data[i * ETX_TUPLE_SIZE],
+              rec_pkt->data[i * ETX_TUPLE_SIZE + ETX_PKT_REC_OFFSET]);
 
         if (rec_pkt->data[i * ETX_TUPLE_SIZE]
-                == own_address->uint8[ETX_IPV6_LAST_BYTE]) {
+            == own_address->uint8[ETX_IPV6_LAST_BYTE]) {
 
             candidate->packets_rx = rec_pkt->data[i * ETX_TUPLE_SIZE
-                    + ETX_PKT_REC_OFFSET];
+                                                  + ETX_PKT_REC_OFFSET];
         }
     }
 
@@ -346,7 +370,8 @@ void etx_handle_beacon(ipv6_addr_t * candidate_address) {
     etx_update(candidate);
 }
 
-void etx_radio(void) {
+void etx_radio(void)
+{
     msg_t m;
     radio_packet_t *p;
 
@@ -362,8 +387,9 @@ void etx_radio(void) {
 
     while (1) {
         msg_receive(&m);
+
         if (m.type == PKT_PENDING) {
-            p = (radio_packet_t*) m.content.ptr;
+            p = (radio_packet_t *) m.content.ptr;
 
             read_802154_frame(p->data, &frame, p->length);
 
@@ -378,7 +404,7 @@ void etx_radio(void) {
                 //handle the beacon
                 mutex_lock(&etx_mutex);
                 etx_handle_beacon(&candidate_addr);
-                mutex_unlock(&etx_mutex);
+                mutex_unlock(&etx_mutex, 1);
             }
 
             p->processing--;
@@ -392,7 +418,8 @@ void etx_radio(void) {
     }
 }
 
-void etx_update(etx_neighbor_t * candidate) {
+void etx_update(etx_neighbor_t *candidate)
+{
     DEBUG("update!\n");
     /*
      * Update the current ETX value of a candidate
@@ -400,7 +427,7 @@ void etx_update(etx_neighbor_t * candidate) {
     double d_f;
     double d_r;
 
-    if (reached_window != 1 || candidate == NULL ) {
+    if (reached_window != 1 || candidate == NULL) {
         //We will wait at least ETX_WINDOW beacons until we decide to
         //calculate an ETX value, so that we have a good estimate
         return;
@@ -419,24 +446,26 @@ void etx_update(etx_neighbor_t * candidate) {
     /*
      * Calculate the current ETX value for my link to this candidate.
      */
-    if (d_f * d_r != 0) {
+    if (d_f *d_r != 0) {
         candidate->cur_etx = 1 / (d_f * d_r);
-    } else {
+    }
+    else {
         candidate->cur_etx = 0;
     }
 
     DEBUG(
-            "Estimated ETX Metric  is %f for candidate w/ addr %d\n"
-            "Estimated PDR_forward is %f\n"
-            "Estimated PDR_backwrd is %f\n"
-            "\n"
-            "Received Packets: %d\n"
-            "Sent Packets    : %d\n\n",
-            candidate->cur_etx, candidate->addr.uint8[ETX_IPV6_LAST_BYTE],
-            d_f, d_r, candidate->packets_rx, etx_count_packet_tx(candidate));
+        "Estimated ETX Metric  is %f for candidate w/ addr %d\n"
+        "Estimated PDR_forward is %f\n"
+        "Estimated PDR_backwrd is %f\n"
+        "\n"
+        "Received Packets: %d\n"
+        "Sent Packets    : %d\n\n",
+        candidate->cur_etx, candidate->addr.uint8[ETX_IPV6_LAST_BYTE],
+        d_f, d_r, candidate->packets_rx, etx_count_packet_tx(candidate));
 }
 
-static uint8_t etx_count_packet_tx(etx_neighbor_t * candidate) {
+static uint8_t etx_count_packet_tx(etx_neighbor_t *candidate)
+{
     /*
      *  Counts the number of packets that were received for this candidate
      *  in the last ETX_WINDOW intervals.
@@ -444,38 +473,46 @@ static uint8_t etx_count_packet_tx(etx_neighbor_t * candidate) {
     DEBUG("counting packets");
     uint8_t pkt_count = 0;
     DEBUG("[");
+
     for (uint8_t i = 0; i < ETX_WINDOW; i++) {
         if (i != cur_round) {
             pkt_count = pkt_count + candidate->packets_tx[i];
-            DEBUG("%d",candidate->packets_tx[i]);
+            DEBUG("%d", candidate->packets_tx[i]);
+
             if (i < ETX_WINDOW - 1) {
                 DEBUG(",");
             }
-        } else {
+        }
+        else {
             //Check if I received something for the current round
             if (candidate->tx_cur_round == 0) {
                 //Didn't receive a packet, zero the field and don't add
                 candidate->packets_tx[i] = 0;
-                DEBUG("%d!",candidate->packets_tx[i]);
+                DEBUG("%d!", candidate->packets_tx[i]);
+
                 if (i < ETX_WINDOW - 1) {
                     DEBUG(",");
                 }
-            } else {
+            }
+            else {
                 //Add 1 and set field
                 pkt_count = pkt_count + 1;
                 candidate->packets_tx[i] = 1;
-                DEBUG("%d!",candidate->packets_tx[i]);
+                DEBUG("%d!", candidate->packets_tx[i]);
+
                 if (i < ETX_WINDOW - 1) {
                     DEBUG(",");
                 }
             }
         }
     }
+
     DEBUG("]\n");
     return pkt_count;
 }
 
-static void etx_set_packets_received(void) {
+static void etx_set_packets_received(void)
+{
     /*
      * Set for all candidates if they received a packet this round or not
      */
@@ -489,12 +526,14 @@ static void etx_set_packets_received(void) {
     }
 }
 
-bool etx_equal_id(ipv6_addr_t *id1, ipv6_addr_t *id2){
-    for(uint8_t i=0;i<4;i++){
-        if(id1->uint32[i] != id2->uint32[i]){
+bool etx_equal_id(ipv6_addr_t *id1, ipv6_addr_t *id2)
+{
+    for (uint8_t i = 0; i < 4; i++) {
+        if (id1->uint32[i] != id2->uint32[i]) {
             return false;
         }
     }
+
     return true;
 
 }
diff --git a/sys/net/rpl/etx_beaconing.h b/sys/net/rpl/etx_beaconing.h
index 063190a5a606719a92efd58af3328bd50ce1a206..de353bb9d32e9a99acc9e64f3b928cc64f20b115 100644
--- a/sys/net/rpl/etx_beaconing.h
+++ b/sys/net/rpl/etx_beaconing.h
@@ -16,13 +16,13 @@
 #include <debug.h>
 
 #if ENABLE_DEBUG
-    #define ETX_BEACON_STACKSIZE    (4500)
-    #define ETX_RADIO_STACKSIZE     (4500)
-    #define ETX_CLOCK_STACKSIZE      (500)
+#define ETX_BEACON_STACKSIZE    (4500)
+#define ETX_RADIO_STACKSIZE     (4500)
+#define ETX_CLOCK_STACKSIZE      (500)
 #else
-    #define ETX_BEACON_STACKSIZE    (2500) //TODO optimize, maybe 2000 is enough
-    #define ETX_RADIO_STACKSIZE     (2500) //TODO optimize, maybe 2000 is enough
-    #define ETX_CLOCK_STACKSIZE     (500) //TODO optimize, maybe  250 is enough
+#define ETX_BEACON_STACKSIZE    (2500) //TODO optimize, maybe 2000 is enough
+#define ETX_RADIO_STACKSIZE     (2500) //TODO optimize, maybe 2000 is enough
+#define ETX_CLOCK_STACKSIZE     (500) //TODO optimize, maybe  250 is enough
 #endif
 
 //[option|length|ipaddr.|packetcount] with up to 15 ipaddr|packetcount pairs
@@ -36,9 +36,9 @@
  * In my tests, the maximum count of neighbors was around 30-something
  */
 #if ENABLE_DEBUG
-    #define ETX_MAX_CANDIDATE_NEIGHBORS (15) //Stacksizes are huge in debug mode, so memory is rare
+#define ETX_MAX_CANDIDATE_NEIGHBORS (15) //Stacksizes are huge in debug mode, so memory is rare
 #else
-    #define ETX_MAX_CANDIDATE_NEIGHBORS (40)
+#define ETX_MAX_CANDIDATE_NEIGHBORS (40)
 #endif
 //ETX Interval parameters
 #define MS  (1000)
@@ -86,7 +86,7 @@
  * information.
  * The information processed shall not exceed the value set in Option Length.
  */
-typedef struct __attribute__((packed)) etx_probe_t{
+typedef struct __attribute__((packed)) etx_probe_t {
     uint8_t code;
     uint8_t length;
     uint8_t data[30];
@@ -102,11 +102,11 @@ typedef struct etx_neighbor_t {
 } etx_neighbor_t;
 
 //prototypes
-void etx_init_beaconing(ipv6_addr_t * address);
+void etx_init_beaconing(ipv6_addr_t *address);
 void etx_beacon(void);
 void etx_clock(void);
-double etx_get_metric(ipv6_addr_t * address);
-void etx_update(etx_neighbor_t * neighbor);
+double etx_get_metric(ipv6_addr_t *address);
+void etx_update(etx_neighbor_t *neighbor);
 void etx_radio(void);
 
 #define ETX_PKT_OPT         (0)     //Position of Option-Type-Byte
diff --git a/sys/net/rpl/of0.c b/sys/net/rpl/of0.c
index 2890bf22c431217c964cb1b7ae3b7440d4121bb3..3cca85e196f291669d3f07d48c0cee5945b22811 100644
--- a/sys/net/rpl/of0.c
+++ b/sys/net/rpl/of0.c
@@ -1,5 +1,5 @@
 /**
- * Objective function 0 for RPL implementation 
+ * Objective function 0 for RPL implementation
  *
  * Copyright (C) 2013  INRIA.
  *
@@ -7,10 +7,10 @@
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
- * @ingroup rpl 
+ * @ingroup rpl
  * @{
- * @file    of0.c 
- * @brief   RPL objective function 0 
+ * @file    of0.c
+ * @brief   RPL objective function 0
  * @author  Eric Engel <eric.engel@fu-berlin.de>
  * @}
  */
diff --git a/sys/net/rpl/of_mrhof.c b/sys/net/rpl/of_mrhof.c
index 66f04f7c6ab6e87363fa9c6b3a11411e5d1fe2b1..8c6fec2b742228c46d7d63359a43a70fb695755f 100644
--- a/sys/net/rpl/of_mrhof.c
+++ b/sys/net/rpl/of_mrhof.c
@@ -9,33 +9,37 @@ static uint16_t calc_rank(rpl_parent_t *, uint16_t);
 static rpl_parent_t *which_parent(rpl_parent_t *, rpl_parent_t *);
 static rpl_dodag_t *which_dodag(rpl_dodag_t *, rpl_dodag_t *);
 static void reset(rpl_dodag_t *);
-static uint16_t calc_path_cost(rpl_parent_t * parent);
+static uint16_t calc_path_cost(rpl_parent_t *parent);
 
 uint16_t cur_min_path_cost = MAX_PATH_COST;
-rpl_parent_t * cur_preferred_parent = NULL;
+rpl_parent_t *cur_preferred_parent = NULL;
 
 rpl_of_t rpl_of_mrhof = {
-        0x1,
-        calc_rank,
-        which_parent,
-        which_dodag,
-        reset,
-        NULL
-        };
-
-rpl_of_t * rpl_get_of_mrhof(void) {
+    0x1,
+    calc_rank,
+    which_parent,
+    which_dodag,
+    reset,
+    NULL
+};
+
+rpl_of_t *rpl_get_of_mrhof(void)
+{
     return &rpl_of_mrhof;
 }
 
-void reset(rpl_dodag_t *dodag) {
+void reset(rpl_dodag_t *dodag)
+{
 }
 
-static uint16_t calc_path_cost(rpl_parent_t * parent) {
+static uint16_t calc_path_cost(rpl_parent_t *parent)
+{
     puts("calc_pathcost");
+
     /*
      * Calculates the path cost through the parent, for now, only for ETX
      */
-    if (parent == NULL ) {
+    if (parent == NULL) {
         // Shouldn't ever happen since this function is supposed to be always
         // run with a parent. If it does happen, we can assume a root called it.
         puts("[WARNING] calc_path_cost called without parent!");
@@ -44,6 +48,7 @@ static uint16_t calc_path_cost(rpl_parent_t * parent) {
 
     double etx_value = etx_get_metric(&(parent->addr));
     printf("Metric for parent returned: %f", etx_value);
+
     if (etx_value != 0) {
         /*
          * (ETX_for_link_to_neighbor * 128) + Rank_of_that_neighbor
@@ -60,14 +65,16 @@ static uint16_t calc_path_cost(rpl_parent_t * parent) {
         }
 
         if (etx_value * ETX_RANK_MULTIPLIER + parent->rank
-                < parent->rank) {
+            < parent->rank) {
             //Overflow
             return MAX_PATH_COST;
         }
+
         //TODO runden
         return etx_value * ETX_RANK_MULTIPLIER
-                + parent->rank;
-    } else {
+               + parent->rank;
+    }
+    else {
         // IMPLEMENT HANDLING OF OTHER METRICS HERE
         // if it is 0, it hasn't been computed, thus we cannot compute a path
         // cost
@@ -75,8 +82,10 @@ static uint16_t calc_path_cost(rpl_parent_t * parent) {
     }
 }
 
-static uint16_t calc_rank(rpl_parent_t * parent, uint16_t base_rank) {
+static uint16_t calc_rank(rpl_parent_t *parent, uint16_t base_rank)
+{
     puts("calc_rank");
+
     /*
      * Return the rank for this node.
      *
@@ -84,7 +93,7 @@ static uint16_t calc_rank(rpl_parent_t * parent, uint16_t base_rank) {
      * putation will always be assumed to be done for the ETX metric.
      * Baserank is pretty much only used to find out if a node is a root or not.
      */
-    if (parent == NULL ) {
+    if (parent == NULL) {
         if (base_rank == 0) {
             //No parent, no rank, a root node would have a rank != 0
             return INFINITE_RANK;
@@ -97,7 +106,8 @@ static uint16_t calc_rank(rpl_parent_t * parent, uint16_t base_rank) {
          * (see rpl.c, function global_repair), we can assume this node is root.
          */
         return DEFAULT_MIN_HOP_RANK_INCREASE;
-    } else {
+    }
+    else {
         /*
          * We have a parent and are a non-root node, calculate the path cost for
          * the parent and choose the maximum of that value and the advertised
@@ -107,19 +117,22 @@ static uint16_t calc_rank(rpl_parent_t * parent, uint16_t base_rank) {
 
         if (calculated_pcost < MAX_PATH_COST) {
             if ((parent->rank + parent->dodag->minhoprankincrease)
-                    > calculated_pcost) {
+                > calculated_pcost) {
                 return parent->rank + parent->dodag->minhoprankincrease;
-            } else {
+            }
+            else {
                 return calculated_pcost;
             }
-        } else {
+        }
+        else {
             //Path costs are greater than allowed
             return INFINITE_RANK;
         }
     }
 }
 
-static rpl_parent_t * which_parent(rpl_parent_t * p1, rpl_parent_t * p2) {
+static rpl_parent_t *which_parent(rpl_parent_t *p1, rpl_parent_t *p2)
+{
     puts("which_parent");
     /*
      * Return the parent with the lowest path cost.
@@ -130,12 +143,12 @@ static rpl_parent_t * which_parent(rpl_parent_t * p1, rpl_parent_t * p2) {
     uint16_t path_p1    = calc_path_cost(p1);
     uint16_t path_p2    = calc_path_cost(p2);
 
-    if(cur_preferred_parent != NULL){
+    if (cur_preferred_parent != NULL) {
         //test if the parent from which we got this path is still active
-        if(cur_preferred_parent->used != 0){
+        if (cur_preferred_parent->used != 0) {
             // Test, if the current best path is better than both parents given
-            if(cur_min_path_cost < path_p1 + PARENT_SWITCH_THRESHOLD
-                && cur_min_path_cost < path_p2 + PARENT_SWITCH_THRESHOLD){
+            if (cur_min_path_cost < path_p1 + PARENT_SWITCH_THRESHOLD
+                && cur_min_path_cost < path_p2 + PARENT_SWITCH_THRESHOLD) {
                 return cur_preferred_parent;
             }
         }
@@ -149,12 +162,14 @@ static rpl_parent_t * which_parent(rpl_parent_t * p1, rpl_parent_t * p2) {
         cur_preferred_parent = p1;
         return p1;
     }
+
     cur_min_path_cost = path_p2;
     cur_preferred_parent = p2;
     return p2;
 }
 
 //Not used yet, as the implementation only makes use of one dodag for now.
-static rpl_dodag_t * which_dodag(rpl_dodag_t *d1, rpl_dodag_t *d2) {
+static rpl_dodag_t *which_dodag(rpl_dodag_t *d1, rpl_dodag_t *d2)
+{
     return d1;
 }
diff --git a/sys/net/rpl/rpl.c b/sys/net/rpl/rpl.c
index 49f76f26742e6c7e751f0069a4e50184b9832757..1f05effd3b68f93127d3fa8759cd882ff37cfd78 100644
--- a/sys/net/rpl/rpl.c
+++ b/sys/net/rpl/rpl.c
@@ -1,5 +1,5 @@
 /**
- * RPL implementation 
+ * RPL implementation
  *
  * Copyright (C) 2013  INRIA.
  *
@@ -7,10 +7,10 @@
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
- * @ingroup rpl 
+ * @ingroup rpl
  * @{
- * @file    rpl.c 
- * @brief   basic RPL functions 
+ * @file    rpl.c
+ * @brief   basic RPL functions
  * @author  Eric Engel <eric.engel@fu-berlin.de>
  * @}
  */
@@ -71,7 +71,7 @@ static rpl_opt_transit_t *rpl_opt_transit_buf;
 /*  SEND BUFFERS */
 static ipv6_hdr_t *get_rpl_send_ipv6_buf(void)
 {
-    return ((ipv6_hdr_t *)&(rpl_send_buffer[0]));
+    return ((ipv6_hdr_t *) & (rpl_send_buffer[0]));
 }
 
 static uint8_t *get_rpl_send_payload_buf(uint8_t ext_len)
@@ -79,95 +79,86 @@ static uint8_t *get_rpl_send_payload_buf(uint8_t ext_len)
     return &(rpl_send_buffer[IPV6_HDR_LEN + ext_len]);
 }
 
-static struct icmpv6_hdr_t *get_rpl_send_icmpv6_buf(uint8_t ext_len)
-{
-    return ((struct icmpv6_hdr_t *)&(rpl_send_buffer[IPV6_HDR_LEN + ext_len]));
+static struct icmpv6_hdr_t *get_rpl_send_icmpv6_buf(uint8_t ext_len) {
+    return ((struct icmpv6_hdr_t *) & (rpl_send_buffer[IPV6_HDR_LEN + ext_len]));
 }
 
-static struct rpl_dio_t *get_rpl_send_dio_buf(void)
-{
-    return ((struct rpl_dio_t *)&(rpl_send_buffer[IPV6HDR_ICMPV6HDR_LEN]));
+static struct rpl_dio_t *get_rpl_send_dio_buf(void) {
+    return ((struct rpl_dio_t *) & (rpl_send_buffer[IPV6HDR_ICMPV6HDR_LEN]));
 }
 
-static struct rpl_dao_t *get_rpl_send_dao_buf(void)
-{
-    return ((struct rpl_dao_t *)&(rpl_send_buffer[IPV6HDR_ICMPV6HDR_LEN]));
+static struct rpl_dao_t *get_rpl_send_dao_buf(void) {
+    return ((struct rpl_dao_t *) & (rpl_send_buffer[IPV6HDR_ICMPV6HDR_LEN]));
 }
 
-static struct rpl_dao_ack_t *get_rpl_send_dao_ack_buf(void)
-{
-    return ((struct rpl_dao_ack_t *)&(rpl_send_buffer[IPV6HDR_ICMPV6HDR_LEN]));
+static struct rpl_dao_ack_t *get_rpl_send_dao_ack_buf(void) {
+    return ((struct rpl_dao_ack_t *) & (rpl_send_buffer[IPV6HDR_ICMPV6HDR_LEN]));
 }
 
-static struct rpl_dis_t *get_rpl_send_dis_buf(void)
-{
-    return ((struct rpl_dis_t *)&(rpl_send_buffer[IPV6HDR_ICMPV6HDR_LEN]));
+static struct rpl_dis_t *get_rpl_send_dis_buf(void) {
+    return ((struct rpl_dis_t *) & (rpl_send_buffer[IPV6HDR_ICMPV6HDR_LEN]));
 }
 
 static rpl_opt_dodag_conf_t *get_rpl_send_opt_dodag_conf_buf(uint8_t rpl_msg_len)
 {
-    return ((rpl_opt_dodag_conf_t *)&(rpl_send_buffer[IPV6HDR_ICMPV6HDR_LEN + rpl_msg_len]));
+    return ((rpl_opt_dodag_conf_t *) & (rpl_send_buffer[IPV6HDR_ICMPV6HDR_LEN + rpl_msg_len]));
 }
 
 static rpl_opt_target_t *get_rpl_send_opt_target_buf(uint8_t rpl_msg_len)
 {
-    return ((rpl_opt_target_t *)&(rpl_send_buffer[IPV6HDR_ICMPV6HDR_LEN + rpl_msg_len]));
+    return ((rpl_opt_target_t *) & (rpl_send_buffer[IPV6HDR_ICMPV6HDR_LEN + rpl_msg_len]));
 }
 
 static rpl_opt_transit_t *get_rpl_send_opt_transit_buf(uint8_t rpl_msg_len)
 {
-    return ((rpl_opt_transit_t *)&(rpl_send_buffer[IPV6HDR_ICMPV6HDR_LEN + rpl_msg_len]));
+    return ((rpl_opt_transit_t *) & (rpl_send_buffer[IPV6HDR_ICMPV6HDR_LEN + rpl_msg_len]));
 }
 
 /* RECEIVE BUFFERS */
 static ipv6_hdr_t *get_rpl_ipv6_buf(void)
 {
-    return ((ipv6_hdr_t *)&(rpl_buffer[0]));
+    return ((ipv6_hdr_t *) & (rpl_buffer[0]));
 }
 
-static struct rpl_dio_t *get_rpl_dio_buf(void)
-{
-    return ((struct rpl_dio_t *)&(rpl_buffer[IPV6HDR_ICMPV6HDR_LEN]));
+static struct rpl_dio_t *get_rpl_dio_buf(void) {
+    return ((struct rpl_dio_t *) & (rpl_buffer[IPV6HDR_ICMPV6HDR_LEN]));
 }
 
-static struct rpl_dao_t *get_rpl_dao_buf(void)
-{
-    return ((struct rpl_dao_t *)&(rpl_buffer[IPV6HDR_ICMPV6HDR_LEN]));
+static struct rpl_dao_t *get_rpl_dao_buf(void) {
+    return ((struct rpl_dao_t *) & (rpl_buffer[IPV6HDR_ICMPV6HDR_LEN]));
 }
 
-static struct rpl_dao_ack_t *get_rpl_dao_ack_buf(void)
-{
-    return ((struct rpl_dao_ack_t *)&(buffer[LLHDR_ICMPV6HDR_LEN]));
+static struct rpl_dao_ack_t *get_rpl_dao_ack_buf(void) {
+    return ((struct rpl_dao_ack_t *) & (buffer[LLHDR_ICMPV6HDR_LEN]));
 }
 
-static struct rpl_dis_t *get_rpl_dis_buf(void)
-{
-    return ((struct rpl_dis_t *)&(rpl_buffer[IPV6HDR_ICMPV6HDR_LEN]));
+static struct rpl_dis_t *get_rpl_dis_buf(void) {
+    return ((struct rpl_dis_t *) & (rpl_buffer[IPV6HDR_ICMPV6HDR_LEN]));
 }
 
 static rpl_opt_t *get_rpl_opt_buf(uint8_t rpl_msg_len)
 {
-    return ((rpl_opt_t *)&(rpl_buffer[IPV6HDR_ICMPV6HDR_LEN + rpl_msg_len]));
+    return ((rpl_opt_t *) & (rpl_buffer[IPV6HDR_ICMPV6HDR_LEN + rpl_msg_len]));
 }
 
 static rpl_opt_dodag_conf_t *get_rpl_opt_dodag_conf_buf(uint8_t rpl_msg_len)
 {
-    return ((rpl_opt_dodag_conf_t *)&(rpl_buffer[IPV6HDR_ICMPV6HDR_LEN + rpl_msg_len]));
+    return ((rpl_opt_dodag_conf_t *) & (rpl_buffer[IPV6HDR_ICMPV6HDR_LEN + rpl_msg_len]));
 }
 
 static rpl_opt_solicited_t *get_rpl_opt_solicited_buf(uint8_t rpl_msg_len)
 {
-    return ((rpl_opt_solicited_t *)&(rpl_buffer[IPV6HDR_ICMPV6HDR_LEN + rpl_msg_len]));
+    return ((rpl_opt_solicited_t *) & (rpl_buffer[IPV6HDR_ICMPV6HDR_LEN + rpl_msg_len]));
 }
 
 static rpl_opt_target_t *get_rpl_opt_target_buf(uint8_t rpl_msg_len)
 {
-    return ((rpl_opt_target_t *)&(rpl_buffer[IPV6HDR_ICMPV6HDR_LEN + rpl_msg_len]));
+    return ((rpl_opt_target_t *) & (rpl_buffer[IPV6HDR_ICMPV6HDR_LEN + rpl_msg_len]));
 }
 
 static rpl_opt_transit_t *get_rpl_opt_transit_buf(uint8_t rpl_msg_len)
 {
-    return ((rpl_opt_transit_t *)&(rpl_buffer[IPV6HDR_ICMPV6HDR_LEN + rpl_msg_len]));
+    return ((rpl_opt_transit_t *) & (rpl_buffer[IPV6HDR_ICMPV6HDR_LEN + rpl_msg_len]));
 }
 
 /* find implemented OF via objective code point */
@@ -210,7 +201,7 @@ uint8_t rpl_init(transceiver_type_t trans, uint16_t rpl_address)
     set_rpl_process_pid(rpl_process_pid);
 
     /* initialize ETX-calculation if needed */
-    if(RPL_DEFAULT_OCP == 1){
+    if (RPL_DEFAULT_OCP == 1) {
         DEBUG("INIT ETX BEACONING\n");
         etx_init_beaconing(&my_address);
     }
@@ -236,7 +227,7 @@ void rpl_init_root(void)
     dodag = rpl_new_dodag(RPL_DEFAULT_INSTANCE, &my_address);
 
     if (dodag != NULL) {
-        dodag->of = (struct rpl_of_t*) rpl_get_of_for_ocp(RPL_DEFAULT_OCP);
+        dodag->of = (struct rpl_of_t *) rpl_get_of_for_ocp(RPL_DEFAULT_OCP);
         dodag->instance = inst;
         dodag->mop = RPL_DEFAULT_MOP;
         dodag->dtsn = 1;
@@ -474,7 +465,7 @@ void rpl_process(void)
         ipv6_buf = get_ipv6_buf();
         memcpy(&rpl_buffer, ipv6_buf, ipv6_buf->length + IPV6_HDR_LEN);
 
-        switch(*code) {
+        switch (*code) {
             case (ICMP_CODE_DIS): {
                 recv_rpl_dis();
                 mutex_unlock(&rpl_recv_mutex);
@@ -530,11 +521,11 @@ void recv_rpl_dio(void)
         }
     }
     else if (my_inst->id != dio_inst->id) {
-         /* TODO: Add support support for several instances.  */
+        /* TODO: Add support support for several instances.  */
 
-         /* At the moment, nodes can only join one instance, this is
-         * the instance they join first.
-         * Instances cannot be switched later on.  */
+        /* At the moment, nodes can only join one instance, this is
+        * the instance they join first.
+        * Instances cannot be switched later on.  */
 
         DEBUG("Ignoring instance - we are %d and got %d\n", my_inst->id, dio_inst->id);
         return;
@@ -553,14 +544,14 @@ void recv_rpl_dio(void)
 
     uint8_t has_dodag_conf_opt = 0;
 
-     /* Parse until all options are consumed.
-      * ipv6_buf->length contains the packet length minus ipv6 and
-      * icmpv6 header, so only ICMPV6_HDR_LEN remains to be
-      * subtracted.  */
+    /* Parse until all options are consumed.
+     * ipv6_buf->length contains the packet length minus ipv6 and
+     * icmpv6 header, so only ICMPV6_HDR_LEN remains to be
+     * subtracted.  */
     while (len < (ipv6_buf->length - ICMPV6_HDR_LEN)) {
         rpl_opt_buf = get_rpl_opt_buf(len);
 
-        switch(rpl_opt_buf->type) {
+        switch (rpl_opt_buf->type) {
 
             case (RPL_OPT_PAD1): {
                 len += 1;
@@ -598,7 +589,7 @@ void recv_rpl_dio(void)
                 dio_dodag.minhoprankincrease = rpl_opt_dodag_conf_buf->MinHopRankIncrease;
                 dio_dodag.default_lifetime = rpl_opt_dodag_conf_buf->default_lifetime;
                 dio_dodag.lifetime_unit = rpl_opt_dodag_conf_buf->lifetime_unit;
-                dio_dodag.of = (struct rpl_of_t*) rpl_get_of_for_ocp(rpl_opt_dodag_conf_buf->ocp);
+                dio_dodag.of = (struct rpl_of_t *) rpl_get_of_for_ocp(rpl_opt_dodag_conf_buf->ocp);
                 len += RPL_OPT_DODAG_CONF_LEN + 2;
                 break;
             }
@@ -682,7 +673,7 @@ void recv_rpl_dio(void)
         reset_trickletimer();
     }
 
-    /* We are root, all done!  */
+    /* We are root, all done! */
     if (my_dodag->my_rank == ROOT_RANK) {
         if (rpl_dio_buf->rank != INFINITE_RANK) {
             trickle_increment_counter();
@@ -736,7 +727,7 @@ void recv_rpl_dis(void)
     while (len < (ipv6_buf->length - ICMPV6_HDR_LEN)) {
         rpl_opt_buf = get_rpl_opt_buf(len);
 
-        switch(rpl_opt_buf->type) {
+        switch (rpl_opt_buf->type) {
             case (RPL_OPT_PAD1): {
                 len += 1;
                 break;
@@ -805,7 +796,7 @@ void recv_rpl_dao(void)
     while (len < (ipv6_buf->length - ICMPV6_HDR_LEN)) {
         rpl_opt_buf = get_rpl_opt_buf(len);
 
-        switch(rpl_opt_buf->type) {
+        switch (rpl_opt_buf->type) {
 
             case (RPL_OPT_PAD1): {
                 len += 1;
@@ -919,7 +910,7 @@ void rpl_send(ipv6_addr_t *destination, uint8_t *payload, uint16_t p_len, uint8_
     packet_length = IPV6_HDR_LEN + p_len;
 
     if (ipv6_prefix_mcast_match(&ipv6_send_buf->destaddr)) {
-        lowpan_init((ieee_802154_long_t *)&(ipv6_send_buf->destaddr.uint16[4]), (uint8_t *)ipv6_send_buf);
+        lowpan_init((ieee_802154_long_t *) & (ipv6_send_buf->destaddr.uint16[4]), (uint8_t *)ipv6_send_buf);
     }
     else {
         /* find appropriate next hop before sending */
@@ -940,7 +931,7 @@ void rpl_send(ipv6_addr_t *destination, uint8_t *payload, uint16_t p_len, uint8_
             }
         }
 
-        lowpan_init((ieee_802154_long_t *)&(next_hop->uint16[4]), (uint8_t *)ipv6_send_buf);
+        lowpan_init((ieee_802154_long_t *) & (next_hop->uint16[4]), (uint8_t *)ipv6_send_buf);
     }
 
 }
diff --git a/sys/net/rpl/rpl.h b/sys/net/rpl/rpl.h
index b15c35d668c29fcf72ab1398c5d280b58a3e3da5..67f14877b2c959ee711131b4cb4dd820c42bf05e 100644
--- a/sys/net/rpl/rpl.h
+++ b/sys/net/rpl/rpl.h
@@ -1,5 +1,5 @@
 /**
- * RPL constants and prototypes 
+ * RPL constants and prototypes
  *
  * Copyright (C) 2013  INRIA.
  *
@@ -7,7 +7,7 @@
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
- * @ingroup rpl 
+ * @ingroup rpl
  * @{
  * @file    rpl.h
  * @brief   RPL header
diff --git a/sys/net/rpl/rpl_dodag.c b/sys/net/rpl/rpl_dodag.c
index d80e9fb94163753ec526a9023367ebdd1e2f5915..fb254272baadc658375674648645b5620cc79162 100644
--- a/sys/net/rpl/rpl_dodag.c
+++ b/sys/net/rpl/rpl_dodag.c
@@ -1,5 +1,5 @@
 /**
- * RPL dodag implementation 
+ * RPL dodag implementation
  *
  * Copyright (C) 2013  INRIA.
  *
@@ -7,10 +7,10 @@
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
- * @ingroup rpl 
+ * @ingroup rpl
  * @{
  * @file    rpl_dodag.c
- * @brief   RPL dodag functions 
+ * @brief   RPL dodag functions
  * @author  Eric Engel <eric.engel@fu-berlin.de>
  * @}
  */
@@ -179,7 +179,7 @@ void rpl_delete_parent(rpl_parent_t *parent)
     rpl_dodag_t *my_dodag = rpl_get_my_dodag();
 
     if ((my_dodag != NULL) && rpl_equal_id(&my_dodag->my_preferred_parent->addr,
-                                          &parent->addr)) {
+                                           &parent->addr)) {
         my_dodag->my_preferred_parent = NULL;
     }
 
@@ -275,7 +275,7 @@ void rpl_parent_update(rpl_parent_t *parent)
     }
 
     if (rpl_calc_rank(old_rank, my_dodag->minhoprankincrease) !=
-       rpl_calc_rank(my_dodag->my_rank, my_dodag->minhoprankincrease)) {
+        rpl_calc_rank(my_dodag->my_rank, my_dodag->minhoprankincrease)) {
         if (my_dodag->my_rank < my_dodag->min_rank) {
             my_dodag->min_rank = my_dodag->my_rank;
         }
@@ -348,7 +348,7 @@ void rpl_global_repair(rpl_dodag_t *dodag, ipv6_addr_t *p_addr, uint16_t rank)
     else {
         /* Calc new Rank */
         my_dodag->my_rank = my_dodag->of->calc_rank(my_dodag->my_preferred_parent,
-                                                    my_dodag->my_rank);
+                            my_dodag->my_rank);
         my_dodag->min_rank = my_dodag->my_rank;
         reset_trickletimer();
         delay_dao();
diff --git a/sys/net/rpl/rpl_dodag.h b/sys/net/rpl/rpl_dodag.h
index a4ad7e0ace8dd471974255fa29daca35fd88a4f3..a21b004fb43843bfaf4638e4b2f35b8326dbcac7 100644
--- a/sys/net/rpl/rpl_dodag.h
+++ b/sys/net/rpl/rpl_dodag.h
@@ -1,5 +1,5 @@
 /**
- * RPL dodag prototypes 
+ * RPL dodag prototypes
  *
  * Copyright (C) 2013  INRIA.
  *
@@ -7,10 +7,10 @@
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
- * @ingroup rpl 
+ * @ingroup rpl
  * @{
  * @file    rpl_dodag.h
- * @brief   RPL dodag header 
+ * @brief   RPL dodag header
  * @author  Eric Engel <eric.engel@fu-berlin.de>
  * @}
  */
diff --git a/sys/net/rpl/rpl_structs.h b/sys/net/rpl/rpl_structs.h
index 2eec2bc649f26a65ad1714b96948c912ddd3b676..80e374fe33fe8682cb01757e708ecbcef07dc653 100644
--- a/sys/net/rpl/rpl_structs.h
+++ b/sys/net/rpl/rpl_structs.h
@@ -1,5 +1,5 @@
 /**
- * RPL data structs 
+ * RPL data structs
  *
  * Copyright (C) 2013  INRIA.
  *
@@ -7,7 +7,7 @@
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
- * @ingroup rpl 
+ * @ingroup rpl
  * @{
  * @file    rpl_structs.h
  * @brief   RPL data structs
@@ -219,12 +219,12 @@ struct rpl_dodag_t;
 typedef struct {
     ipv6_addr_t         addr;
     uint16_t            rank;
-	uint8_t             dtsn;
+    uint8_t             dtsn;
     struct rpl_dodag_t *dodag;
-	uint16_t            lifetime;
-	double              link_metric;
-	uint8_t             link_metric_type;
-	uint8_t             used;
+    uint16_t            lifetime;
+    double              link_metric;
+    uint8_t             link_metric_type;
+    uint8_t             used;
 } rpl_parent_t;
 
 struct rpl_of_t;
@@ -264,13 +264,13 @@ typedef struct rpl_dodag_t {
 
 typedef struct rpl_of_t {
     uint16_t ocp;
-    uint16_t (*calc_rank)(rpl_parent_t * parent, uint16_t base_rank);
+    uint16_t (*calc_rank)(rpl_parent_t *parent, uint16_t base_rank);
     rpl_parent_t *(*which_parent)(rpl_parent_t *, rpl_parent_t *);
     rpl_dodag_t *(*which_dodag)(rpl_dodag_t *, rpl_dodag_t *);
     void (*reset)(rpl_dodag_t *);
     void (*parent_state_callback)(rpl_parent_t *, int, int);
-    void (*init) (void); //OF specific init function
-    void (*process_dio) (void); //DIO processing callback (acc. to OF0 spec, chpt 5)
+    void (*init)(void);  //OF specific init function
+    void (*process_dio)();  //DIO processing callback (acc. to OF0 spec, chpt 5)
 } rpl_of_t;
 
 typedef struct {
diff --git a/sys/net/rpl/trickle.c b/sys/net/rpl/trickle.c
index 69473445abc1cb8ed404bc39c83c137ec1cd8972..31281d04dbdbb6c79c4430fd6234e18941b907cc 100644
--- a/sys/net/rpl/trickle.c
+++ b/sys/net/rpl/trickle.c
@@ -7,7 +7,7 @@
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
- * @ingroup rpl 
+ * @ingroup rpl
  * @{
  * @file    trickle.c
  * @brief   Trickle implementation
@@ -25,9 +25,9 @@
 #include "rpl/rpl.h"
 
 //TODO in pointer umwandeln, speicher mit malloc holen
-char * timer_over_buf;
-char * interval_over_buf;
-char * dao_delay_over_buf;
+char *timer_over_buf;
+char *interval_over_buf;
+char *dao_delay_over_buf;
 char routing_table_buf[RT_STACKSIZE];
 int timer_over_pid;
 int interval_over_pid;
@@ -71,18 +71,23 @@ void reset_trickletimer(void)
 
 void init_trickle(void)
 {
-    timer_over_buf      =  calloc(TRICKLE_TIMER_STACKSIZE,sizeof(char));
-    if(timer_over_buf == NULL){
+    timer_over_buf      =  calloc(TRICKLE_TIMER_STACKSIZE, sizeof(char));
+
+    if (timer_over_buf == NULL) {
         puts("[ERROR] Could not allocate enough memory for timer_over_buf!");
         return;
     }
-    interval_over_buf   =  calloc(TRICKLE_INTERVAL_STACKSIZE,sizeof(char));
-    if(interval_over_buf == NULL){
+
+    interval_over_buf   =  calloc(TRICKLE_INTERVAL_STACKSIZE, sizeof(char));
+
+    if (interval_over_buf == NULL) {
         puts("[ERROR] Could not allocate enough memory for interval_over_buf!");
         return;
     }
-    dao_delay_over_buf  =  calloc(DAO_DELAY_STACKSIZE,sizeof(char));
-    if(dao_delay_over_buf == NULL){
+
+    dao_delay_over_buf  =  calloc(DAO_DELAY_STACKSIZE, sizeof(char));
+
+    if (dao_delay_over_buf == NULL) {
         puts("[ERROR] Could not allocate enough memory for interval_over_buf!");
         return;
     }
diff --git a/sys/net/rpl/trickle.h b/sys/net/rpl/trickle.h
index 72ec98dfc043565cc0e300594f4677df3e899839..5f2172004249e947404d9ccb1cb8d55245b91556 100644
--- a/sys/net/rpl/trickle.h
+++ b/sys/net/rpl/trickle.h
@@ -7,10 +7,10 @@
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
- * @ingroup rpl 
+ * @ingroup rpl
  * @{
  * @file    trickle.h
- * @brief   Trickle 
+ * @brief   Trickle
  * @author  Eric Engel <eric.engel@fu-berlin.de>
  * @}
  */
diff --git a/sys/net/sixlowpan/border.c b/sys/net/sixlowpan/border.c
index 72ab711055fef251b61640ff47751364f1d5652b..ff37c7420e8beff532a0bf1e4a60fe33331b70b4 100644
--- a/sys/net/sixlowpan/border.c
+++ b/sys/net/sixlowpan/border.c
@@ -1,5 +1,5 @@
 /**
- * 6lowpan border router implementation 
+ * 6lowpan border router implementation
  *
  * Copyright (C) 2013  INRIA.
  *
@@ -10,7 +10,7 @@
  * @ingroup sixlowpan
  * @{
  * @file    sixlowborder.c
- * @brief   constraint node implementation for a 6lowpan border router 
+ * @brief   constraint node implementation for a 6lowpan border router
  * @author  Martin Lenders <mlenders@inf.fu-berlin.de>
  * @author  Oliver Hahm <oliver.hahm@inria.fr>
  * @}
@@ -19,12 +19,12 @@
 #include <stdint.h>
 #include <string.h>
 #include <stdio.h>
-#include <mutex.h>
-#include <thread.h>
-#include <msg.h>
 
-#include <posix_io.h>
-#include <board_uart0.h>
+#include "mutex.h"
+#include "thread.h"
+#include "msg.h"
+#include "posix_io.h"
+#include "board_uart0.h"
 #include "sixlowpan/error.h"
 
 #include "bordermultiplex.h"
@@ -86,7 +86,7 @@ void serial_reader_f(void)
         bytes = readpacket(get_serial_in_buffer(0), BORDER_BUFFER_SIZE);
 
         if (bytes < 0) {
-            switch(bytes) {
+            switch (bytes) {
                 case (-SIXLOWERROR_ARRAYFULL): {
                     printf("ERROR: Array was full\n");
                     break;
@@ -139,9 +139,9 @@ uint8_t border_initialize(transceiver_type_t trans, ipv6_addr_t *border_router_a
      * -- for now
      */
     if (border_router_addr->uint16[4] != HTONS(IEEE_802154_PAN_ID ^ 0x0200) ||
-       border_router_addr->uint16[5] != HTONS(0x00FF) ||
-       border_router_addr->uint16[6] != HTONS(0xFE00)
-      ) {
+        border_router_addr->uint16[5] != HTONS(0x00FF) ||
+        border_router_addr->uint16[6] != HTONS(0xFE00)
+       ) {
         return SIXLOWERROR_ADDRESS;
     }
 
@@ -169,7 +169,7 @@ void border_send_ipv6_over_lowpan(ipv6_hdr_t *packet, uint8_t aro_flag, uint8_t
     memset(buffer, 0, BUFFER_SIZE);
     memcpy(buffer + LL_HDR_LEN, packet, offset);
 
-    lowpan_init((ieee_802154_long_t *)&(packet->destaddr.uint16[4]), (uint8_t *)packet);
+    lowpan_init((ieee_802154_long_t *) & (packet->destaddr.uint16[4]), (uint8_t *)packet);
 }
 
 void border_process_lowpan(void)
diff --git a/sys/net/sixlowpan/border.h b/sys/net/sixlowpan/border.h
index c3252660f637ae76ae67f4b56d06f619a3a8344d..7828295ea9f043cbf91943c39f6100578eed6eb7 100644
--- a/sys/net/sixlowpan/border.h
+++ b/sys/net/sixlowpan/border.h
@@ -10,7 +10,7 @@
  * @ingroup sixlowpan
  * @{
  * @file    sixlowborder.h
- * @brief   header for 6lowpan border router 
+ * @brief   header for 6lowpan border router
  * @author  Martin Lenders <mlenders@inf.fu-berlin.de>
  * @author  Oliver Hahm <oliver.hahm@inria.fr>
  * @}
@@ -22,8 +22,9 @@
 #define _SIXLOWPAN_BORDER_H
 
 #include <stdint.h>
-#include <mutex.h>
-#include <transceiver.h>
+
+#include "mutex.h"
+#include "transceiver.h"
 
 #include "ip.h"
 #include "semaphore.h"
diff --git a/sys/net/sixlowpan/bordermultiplex.c b/sys/net/sixlowpan/bordermultiplex.c
index 02ca89b568dd757167138c45fc434ce3e3bbf1ed..ae3d29fbd9102a9670cf449a5c20979248583cc0 100644
--- a/sys/net/sixlowpan/bordermultiplex.c
+++ b/sys/net/sixlowpan/bordermultiplex.c
@@ -19,7 +19,7 @@
 #include <stdio.h>
 #include <string.h>
 
-#include <board_uart0.h>
+#include "board_uart0.h"
 #include "sixlowpan/error.h"
 
 #include "flowcontrol.h"
@@ -36,7 +36,7 @@
 
 void demultiplex(border_packet_t *packet, int len)
 {
-    switch(packet->type) {
+    switch (packet->type) {
         case (BORDER_PACKET_RAW_TYPE): {
             fputs(((char *)packet) + sizeof(border_packet_t), stdin);
             break;
@@ -45,7 +45,7 @@ void demultiplex(border_packet_t *packet, int len)
         case (BORDER_PACKET_L3_TYPE): {
             border_l3_header_t *l3_header_buf = (border_l3_header_t *)packet;
 
-            switch(l3_header_buf->ethertype) {
+            switch (l3_header_buf->ethertype) {
                 case (BORDER_ETHERTYPE_IPV6): {
                     ipv6_hdr_t *ipv6_buf = (ipv6_hdr_t *)(((unsigned char *)packet) + sizeof(border_l3_header_t));
                     border_send_ipv6_over_lowpan(ipv6_buf, 1, 1);
@@ -63,7 +63,7 @@ void demultiplex(border_packet_t *packet, int len)
         case (BORDER_PACKET_CONF_TYPE): {
             border_conf_header_t *conf_header_buf = (border_conf_header_t *)packet;
 
-            switch(conf_header_buf->conftype) {
+            switch (conf_header_buf->conftype) {
                 case (BORDER_CONF_CONTEXT): {
                     border_context_packet_t *context = (border_context_packet_t *)packet;
                     ipv6_addr_t target_addr;
@@ -148,7 +148,7 @@ int readpacket(uint8_t *packet_buf, size_t size)
         if (esc) {
             esc = 0;
 
-            switch(byte) {
+            switch (byte) {
                 case (END_ESC): {
                     *line_buf_ptr++ = END;
                     continue;
@@ -184,7 +184,7 @@ int writepacket(uint8_t *packet_buf, size_t size)
             return -1;
         }
 
-        switch(*byte_ptr) {
+        switch (*byte_ptr) {
             case (END): {
                 *byte_ptr = END_ESC;
                 uart0_putc(ESC);
diff --git a/sys/net/sixlowpan/bordermultiplex.h b/sys/net/sixlowpan/bordermultiplex.h
index c5d5dc7068be9553d77f25caa0c3c82526cef5a5..c284953b3076421c48736fa3d8fb74788f92723e 100644
--- a/sys/net/sixlowpan/bordermultiplex.h
+++ b/sys/net/sixlowpan/bordermultiplex.h
@@ -1,5 +1,5 @@
 /**
- * 6lowpan border router multiplexer 
+ * 6lowpan border router multiplexer
  *
  * Copyright (C) 2013  INRIA.
  *
@@ -9,7 +9,7 @@
  *
  * @ingroup sixlowpan
  * @{
- * @file    bordermultiplex.h 
+ * @file    bordermultiplex.h
  * @brief   data structs for border router multiplexing
  * @author  Martin Lenders <mlenders@inf.fu-berlin.de>
  * @author  Oliver Hahm <oliver.hahm@inria.fr>
diff --git a/sys/net/sixlowpan/flowcontrol.c b/sys/net/sixlowpan/flowcontrol.c
index 38ef21696979343258e489959dfc3e3dec252ee0..62627d57f7cd4191e59716b5173a02f2ad3e6ff1 100644
--- a/sys/net/sixlowpan/flowcontrol.c
+++ b/sys/net/sixlowpan/flowcontrol.c
@@ -1,5 +1,5 @@
 /**
- * 6lowpan border router flow control 
+ * 6lowpan border router flow control
  *
  * Copyright (C) 2013  INRIA.
  *
@@ -10,7 +10,7 @@
  * @ingroup sixlowpan
  * @{
  * @file    flowcontrol.c
- * @brief   flowcontrol for constraint node border router implementation 
+ * @brief   flowcontrol for constraint node border router implementation
  * @author  Martin Lenders <mlenders@inf.fu-berlin.de>
  * @author  Oliver Hahm <oliver.hahm@inria.fr>
  * @}
@@ -181,8 +181,8 @@ void flowcontrol_deliver_from_uart(border_packet_t *packet, int len)
         slot = &(slwin_stat.recv_win[packet->seq_num % BORDER_RWS]);
 
         if (!in_window(packet->seq_num,
-                      slwin_stat.next_exp,
-                      slwin_stat.next_exp + BORDER_RWS - 1)) {
+                       slwin_stat.next_exp,
+                       slwin_stat.next_exp + BORDER_RWS - 1)) {
             return;
         }
 
diff --git a/sys/net/sixlowpan/flowcontrol.h b/sys/net/sixlowpan/flowcontrol.h
index f4fb350ce3b33b367af49098657788a0a2e6dd1b..f17a80c48e48db029d4f0ed0f23566fd8f553c08 100644
--- a/sys/net/sixlowpan/flowcontrol.h
+++ b/sys/net/sixlowpan/flowcontrol.h
@@ -1,5 +1,5 @@
 /**
- * 6lowpan border router flow control 
+ * 6lowpan border router flow control
  *
  * Copyright (C) 2013  INRIA.
  *
@@ -20,7 +20,8 @@
 #define _SIXLOWPAN_FLOWCONTROL_H
 
 #include <stdint.h>
-#include <vtimer.h>
+
+#include "vtimer.h"
 
 #include "semaphore.h"
 #include "ip.h"
diff --git a/sys/net/sixlowpan/icmp.c b/sys/net/sixlowpan/icmp.c
index ad72164dc1df7ba5d9264b211e345021443cbfc0..0082e134addb9268c411b04e547fc11adc306f66 100644
--- a/sys/net/sixlowpan/icmp.c
+++ b/sys/net/sixlowpan/icmp.c
@@ -1,5 +1,5 @@
 /*
- * 6lowpan neighbor discovery 
+ * 6lowpan neighbor discovery
  *
  * Copyright (C) 2013  INRIA.
  *
@@ -10,7 +10,7 @@
  * @ingroup sixlowpan
  * @{
  * @file    sixlownd.c
- * @brief   6lowpan neighbor discovery functions 
+ * @brief   6lowpan neighbor discovery functions
  * @author  Stephan Zeisberg <zeisberg@mi.fu-berlin.de>
  * @author  Martin Lenders <mlenders@inf.fu-berlin.de>
  * @author  Oliver Gesch <oliver.gesch@googlemail.com>
@@ -21,6 +21,8 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include "vtimer.h"
+#include "mutex.h"
 #include "sixlowpan/error.h"
 
 #include "ip.h"
@@ -29,8 +31,6 @@
 #include "lowpan.h"
 #include "serialnumber.h"
 #include "sys/net/net_help/net_help.h"
-#include "vtimer.h"
-#include "mutex.h"
 
 #define ENABLE_DEBUG    (0)
 #include "debug.h"
@@ -94,81 +94,75 @@ int min(int a, int b)
     }
 }
 
-static struct para_prob_t *get_para_prob_buf(uint8_t ext_len)
-{
-    return ((struct para_prob_t *)&(buffer[LLHDR_ICMPV6HDR_LEN + ext_len]));
+static struct para_prob_t *get_para_prob_buf(uint8_t ext_len) {
+    return ((struct para_prob_t *) & (buffer[LLHDR_ICMPV6HDR_LEN + ext_len]));
 }
 
-static struct echo_req_t *get_echo_req_buf(uint8_t ext_len)
-{
-    return ((struct echo_req_t *)&(buffer[LLHDR_ICMPV6HDR_LEN + ext_len]));
+static struct echo_req_t *get_echo_req_buf(uint8_t ext_len) {
+    return ((struct echo_req_t *) & (buffer[LLHDR_ICMPV6HDR_LEN + ext_len]));
 }
 
-static struct echo_repl_t *get_echo_repl_buf(uint8_t ext_len)
-{
-    return ((struct echo_repl_t *)&(buffer[LLHDR_ICMPV6HDR_LEN + ext_len]));
+static struct echo_repl_t *get_echo_repl_buf(uint8_t ext_len) {
+    return ((struct echo_repl_t *) & (buffer[LLHDR_ICMPV6HDR_LEN + ext_len]));
 }
 
-static struct rtr_adv_t *get_rtr_adv_buf(uint8_t ext_len)
-{
-    return ((struct rtr_adv_t *)&(buffer[LLHDR_ICMPV6HDR_LEN + ext_len]));
+static struct rtr_adv_t *get_rtr_adv_buf(uint8_t ext_len) {
+    return ((struct rtr_adv_t *) & (buffer[LLHDR_ICMPV6HDR_LEN + ext_len]));
 }
 
-static struct nbr_sol_t *get_nbr_sol_buf(uint8_t ext_len)
-{
-    return ((struct nbr_sol_t *)&(buffer[LLHDR_ICMPV6HDR_LEN + ext_len]));
+static struct nbr_sol_t *get_nbr_sol_buf(uint8_t ext_len) {
+    return ((struct nbr_sol_t *) & (buffer[LLHDR_ICMPV6HDR_LEN + ext_len]));
 }
 
-static struct nbr_adv_t *get_nbr_adv_buf(uint8_t ext_len)
-{
-    return ((struct nbr_adv_t *)&(buffer[LLHDR_ICMPV6HDR_LEN + ext_len]));
+static struct nbr_adv_t *get_nbr_adv_buf(uint8_t ext_len) {
+    return ((struct nbr_adv_t *) & (buffer[LLHDR_ICMPV6HDR_LEN + ext_len]));
 }
 
 static opt_buf_t *get_opt_buf(uint8_t ext_len, uint8_t opt_len)
 {
-    return ((opt_buf_t *)&(buffer[LLHDR_ICMPV6HDR_LEN +
-                                           ext_len + opt_len]));
+    return ((opt_buf_t *) & (buffer[LLHDR_ICMPV6HDR_LEN +
+                                    ext_len + opt_len]));
 }
 
 static opt_stllao_t *get_opt_stllao_buf(uint8_t ext_len, uint8_t opt_len)
 {
-    return ((opt_stllao_t *)&(buffer[LLHDR_ICMPV6HDR_LEN +
+    return ((opt_stllao_t *) & (buffer[LLHDR_ICMPV6HDR_LEN +
                                        ext_len + opt_len]));
 }
 
 static opt_mtu_t *get_opt_mtu_buf(uint8_t ext_len, uint8_t opt_len)
 {
-    return ((opt_mtu_t *)&(buffer[LLHDR_ICMPV6HDR_LEN +
-                                           ext_len + opt_len]));
+    return ((opt_mtu_t *) & (buffer[LLHDR_ICMPV6HDR_LEN +
+                                    ext_len + opt_len]));
 }
 
 static opt_abro_t *get_opt_abro_buf(uint8_t ext_len, uint8_t opt_len)
 {
-    return ((opt_abro_t *)&(buffer[LLHDR_ICMPV6HDR_LEN +
-                                            ext_len + opt_len]));
+    return ((opt_abro_t *) & (buffer[LLHDR_ICMPV6HDR_LEN +
+                                     ext_len + opt_len]));
 }
 
 static opt_6co_hdr_t *get_opt_6co_hdr_buf(uint8_t ext_len, uint8_t opt_len)
 {
-    return ((opt_6co_hdr_t *)&(buffer[LLHDR_ICMPV6HDR_LEN +
-                                       ext_len + opt_len]));
+    return ((opt_6co_hdr_t *) & (buffer[LLHDR_ICMPV6HDR_LEN +
+                                        ext_len + opt_len]));
 }
 
 static uint8_t *get_opt_6co_prefix_buf(uint8_t ext_len, uint8_t opt_len)
 {
-    return ((uint8_t *)&(buffer[LLHDR_ICMPV6HDR_LEN + ext_len + opt_len]));
+    return ((uint8_t *) & (buffer[LLHDR_ICMPV6HDR_LEN + ext_len + opt_len]));
 }
 
 static opt_pi_t *get_opt_pi_buf(uint8_t ext_len, uint8_t opt_len)
 {
-    return ((opt_pi_t *)&(buffer[LLHDR_ICMPV6HDR_LEN + ext_len +
-                                 opt_len]));
+    return ((opt_pi_t *) & (buffer[LLHDR_ICMPV6HDR_LEN + ext_len +
+                                   opt_len]));
 }
 
 static opt_aro_t *get_opt_aro_buf(uint8_t ext_len, uint8_t opt_len)
 {
-    return ((opt_aro_t *)&(buffer[LLHDR_ICMPV6HDR_LEN + ext_len +
-                                  opt_len]));
+    return ((opt_aro_t *) & (buffer[LLHDR_ICMPV6HDR_LEN + ext_len +
+                                    opt_len]));
 }
 
 void init_echo_req(ipv6_addr_t *destaddr, uint16_t id, uint16_t seq, char *data, size_t data_len)
@@ -176,8 +170,8 @@ void init_echo_req(ipv6_addr_t *destaddr, uint16_t id, uint16_t seq, char *data,
     ipv6_buf = get_ipv6_buf();
     icmp_buf = get_icmpv6_buf(ipv6_ext_hdr_len);
     struct echo_req_t *echo_buf = get_echo_req_buf(ipv6_ext_hdr_len);
-    char *echo_data_buf = ((char *)echo_buf)+sizeof (struct echo_req_t);
-    
+    char *echo_data_buf = ((char *)echo_buf) + sizeof(struct echo_req_t);
+
     packet_length = 0;
 
     icmp_buf->type = ICMP_ECHO_REQ;
@@ -187,26 +181,26 @@ void init_echo_req(ipv6_addr_t *destaddr, uint16_t id, uint16_t seq, char *data,
     ipv6_buf->flowlabel = 0;
     ipv6_buf->nextheader = PROTO_NUM_ICMPV6;
     ipv6_buf->hoplimit = 0xff;
-    
-    memcpy(&ipv6_buf->destaddr, destaddr, sizeof (ipv6_addr_t));
+
+    memcpy(&ipv6_buf->destaddr, destaddr, sizeof(ipv6_addr_t));
     ipv6_get_saddr(&ipv6_buf->srcaddr, &ipv6_buf->destaddr);
     echo_buf->id = id;
     echo_buf->seq = seq;
-    
+
     memcpy(echo_data_buf, data, data_len);
     packet_length = IPV6_HDR_LEN + ICMPV6_HDR_LEN + ipv6_ext_hdr_len +
                     ECHO_REQ_LEN + data_len;
 
-    ipv6_buf->length = packet_length-IPV6_HDR_LEN;
+    ipv6_buf->length = packet_length - IPV6_HDR_LEN;
 
     icmp_buf->checksum = 0;
     icmp_buf->checksum = ~icmpv6_csum(PROTO_NUM_ICMPV6);
-    
+
 #ifdef ENABLE_DEBUG
     printf("INFO: send echo request to: ");
     ipv6_print_addr(&ipv6_buf->destaddr);
 #endif
-    lowpan_init((ieee_802154_long_t *)&(ipv6_buf->destaddr.uint16[4]),
+    lowpan_init((ieee_802154_long_t *) & (ipv6_buf->destaddr.uint16[4]),
                 (uint8_t *)ipv6_buf);
 }
 
@@ -215,8 +209,8 @@ void init_echo_repl(ipv6_addr_t *destaddr, uint16_t id, uint16_t seq, char *data
     ipv6_buf = get_ipv6_buf();
     icmp_buf = get_icmpv6_buf(ipv6_ext_hdr_len);
     struct echo_repl_t *echo_buf = get_echo_repl_buf(ipv6_ext_hdr_len);
-    char *echo_data_buf = ((char *)echo_buf)+sizeof (struct echo_repl_t);
-    
+    char *echo_data_buf = ((char *)echo_buf) + sizeof(struct echo_repl_t);
+
     packet_length = 0;
 
     icmp_buf->type = ICMP_ECHO_REPL;
@@ -226,26 +220,26 @@ void init_echo_repl(ipv6_addr_t *destaddr, uint16_t id, uint16_t seq, char *data
     ipv6_buf->flowlabel = 0;
     ipv6_buf->nextheader = PROTO_NUM_ICMPV6;
     ipv6_buf->hoplimit = 0xff;
-    
-    memcpy(&ipv6_buf->destaddr, destaddr, sizeof (ipv6_addr_t));
+
+    memcpy(&ipv6_buf->destaddr, destaddr, sizeof(ipv6_addr_t));
     ipv6_get_saddr(&ipv6_buf->srcaddr, &ipv6_buf->destaddr);
     echo_buf->id = id;
     echo_buf->seq = seq;
-    
+
     memcpy(echo_data_buf, data, data_len);
     packet_length = IPV6_HDR_LEN + ICMPV6_HDR_LEN + ipv6_ext_hdr_len +
                     ECHO_REPL_LEN + data_len;
-    
-    ipv6_buf->length = packet_length-IPV6_HDR_LEN;
+
+    ipv6_buf->length = packet_length - IPV6_HDR_LEN;
 
     icmp_buf->checksum = 0;
     icmp_buf->checksum = ~icmpv6_csum(PROTO_NUM_ICMPV6);
-    
+
 #ifdef ENABLE_DEBUG
     printf("INFO: send echo request to: ");
     ipv6_print_addr(&ipv6_buf->destaddr);
 #endif
-    lowpan_init((ieee_802154_long_t *)&(ipv6_buf->destaddr.uint16[4]),
+    lowpan_init((ieee_802154_long_t *) & (ipv6_buf->destaddr.uint16[4]),
                 (uint8_t *)ipv6_buf);
 }
 
@@ -292,7 +286,7 @@ void init_rtr_sol(uint8_t sllao)
     printf("INFO: send router solicitation to: ");
     ipv6_print_addr(&ipv6_buf->destaddr);
 #endif
-    lowpan_init((ieee_802154_long_t *)&(ipv6_buf->destaddr.uint16[4]),
+    lowpan_init((ieee_802154_long_t *) & (ipv6_buf->destaddr.uint16[4]),
                 (uint8_t *)ipv6_buf);
 }
 
@@ -300,43 +294,49 @@ void recv_echo_req(void)
 {
     ipv6_buf = get_ipv6_buf();
     struct echo_req_t *echo_buf = get_echo_req_buf(ipv6_ext_hdr_len);
-    char *echo_data_buf = ((char *)echo_buf)+sizeof (struct echo_repl_t);
+    char *echo_data_buf = ((char *)echo_buf) + sizeof(struct echo_repl_t);
     size_t data_len = ipv6_buf->length - (IPV6_HDR_LEN + ICMPV6_HDR_LEN +
-                      ipv6_ext_hdr_len + ECHO_REQ_LEN);
+                                          ipv6_ext_hdr_len + ECHO_REQ_LEN);
 #ifdef ENABLE_DEBUG
     printf("INFO: received echo request from: ");
     ipv6_print_addr(&ipv6_buf->srcaddr);
     printf("\n");
     printf("id = 0x%04x, seq = %d\n", echo_buf->id, echo_buf->seq);
+
     for (int i = 0; i < data_len; i++) {
         printf("%02x ", echo_data_buf[i]);
-        if ((i+1) % 16 || i == data_len-1) {
+
+        if ((i + 1) % 16 || i == data_len - 1) {
             printf("\n");
         }
     }
+
 #endif
     init_echo_repl(&ipv6_buf->srcaddr, echo_buf->id, echo_buf->seq,
-            echo_data_buf, data_len);
+                   echo_data_buf, data_len);
 }
 
 void recv_echo_repl(void)
 {
     ipv6_buf = get_ipv6_buf();
     struct echo_repl_t *echo_buf = get_echo_repl_buf(ipv6_ext_hdr_len);
-    char *echo_data_buf = ((char *)echo_buf)+sizeof (struct echo_repl_t);
+    char *echo_data_buf = ((char *)echo_buf) + sizeof(struct echo_repl_t);
     size_t data_len = ipv6_buf->length - (IPV6_HDR_LEN + ICMPV6_HDR_LEN +
-                      ipv6_ext_hdr_len + ECHO_REPL_LEN);
+                                          ipv6_ext_hdr_len + ECHO_REPL_LEN);
 #ifdef ENABLE_DEBUG
     printf("INFO: received echo reply from: ");
     ipv6_print_addr(&ipv6_buf->srcaddr);
     printf("\n");
     printf("id = 0x%04x, seq = %d\n", echo_buf->id, echo_buf->seq);
+
     for (int i = 0; i < data_len; i++) {
         printf("%02x ", echo_data_buf[i]);
-        if ((i+1) % 16 || i == data_len-1) {
+
+        if ((i + 1) % 16 || i == data_len - 1) {
             printf("\n");
         }
     }
+
 #endif
 }
 
@@ -387,7 +387,7 @@ void recv_rtr_sol(void)
     printf("INFO: send router advertisment to: ");
     ipv6_print_addr(&ipv6_buf->destaddr);
 #endif
-    lowpan_init((ieee_802154_long_t *)&(ipv6_buf->destaddr.uint16[4]),
+    lowpan_init((ieee_802154_long_t *) & (ipv6_buf->destaddr.uint16[4]),
                 (uint8_t *)ipv6_buf);
 
 }
@@ -416,7 +416,7 @@ void get_opt_6co_flags(uint8_t *compression_flag, uint8_t *cid, uint8_t flags)
 
 lowpan_context_t *abr_get_context(abr_cache_t *abr, uint8_t cid);
 
-void init_rtr_adv(ipv6_addr_t *addr, uint8_t sllao, uint8_t mtu, uint8_t pi, 
+void init_rtr_adv(ipv6_addr_t *addr, uint8_t sllao, uint8_t mtu, uint8_t pi,
                   uint8_t sixco, uint8_t abro)
 {
     lowpan_context_t *contexts = NULL;
@@ -632,7 +632,7 @@ void recv_rtr_adv(void)
     while (packet_length > IPV6HDR_ICMPV6HDR_LEN + opt_hdr_len) {
         opt_buf = get_opt_buf(ipv6_ext_hdr_len, opt_hdr_len);
 
-        switch(opt_buf->type) {
+        switch (opt_buf->type) {
             case (OPT_SLLAO_TYPE): {
                 break;
             }
@@ -647,8 +647,8 @@ void recv_rtr_adv(void)
 
                 /* crazy condition, read 5.5.3a-b-c for further information */
                 if (ipv6_prefix_ll_match(&opt_pi_buf->addr) ||
-                   (HTONL(opt_pi_buf->pref_ltime) >
-                    HTONL(opt_pi_buf->val_ltime))) {
+                    (HTONL(opt_pi_buf->pref_ltime) >
+                     HTONL(opt_pi_buf->val_ltime))) {
                     break;
                 }
                 else {
@@ -684,8 +684,8 @@ void recv_rtr_adv(void)
 
                             /* 7200 = 2hours in seconds */
                             if (HTONL(opt_pi_buf->val_ltime) > 7200 ||
-                               HTONL(opt_pi_buf->val_ltime) >
-                               get_remaining_time(&(addr_list_ptr->val_ltime))) {
+                                HTONL(opt_pi_buf->val_ltime) >
+                                get_remaining_time(&(addr_list_ptr->val_ltime))) {
                                 set_remaining_time(&(addr_list_ptr->val_ltime), HTONL(opt_pi_buf->val_ltime));
                             }
                             else {
@@ -867,18 +867,18 @@ void recv_nbr_sol(void)
     while (packet_length > IPV6HDR_ICMPV6HDR_LEN + opt_hdr_len) {
         opt_buf = get_opt_buf(ipv6_ext_hdr_len, opt_hdr_len);
 
-        switch(opt_buf->type) {
+        switch (opt_buf->type) {
             case (OPT_SLLAO_TYPE): {
                 opt_stllao_buf = get_opt_stllao_buf(ipv6_ext_hdr_len,
                                                     opt_hdr_len);
                 llao = (uint8_t *)opt_stllao_buf;
 
                 if (llao != NULL &&
-                   !(ipv6_addr_unspec_match(&ipv6_buf->srcaddr))) {
+                    !(ipv6_addr_unspec_match(&ipv6_buf->srcaddr))) {
                     nbr_entry = nbr_cache_search(&(ipv6_buf->srcaddr));
 
                     if (nbr_entry != NULL) {
-                        switch(opt_stllao_buf->length) {
+                        switch (opt_stllao_buf->length) {
                             case (1): {
                                 if (memcmp(&llao[2], &(nbr_entry->saddr), 2) == 0) {
                                     nbr_entry->isrouter = 0;
@@ -910,7 +910,7 @@ void recv_nbr_sol(void)
                         }
                     }
                     else {
-                        switch(opt_stllao_buf->length) {
+                        switch (opt_stllao_buf->length) {
                             case (1): {
                                 nbr_cache_add(&ipv6_buf->srcaddr,
                                               NULL , 0, NBR_STATUS_STALE,
@@ -943,12 +943,12 @@ void recv_nbr_sol(void)
                 /* check if sllao option is set, and if address src address
                  * isn't unspecified - draft-ietf-6lowpan-nd-15#section-6.5 */
                 if (!(ipv6_addr_unspec_match(&ipv6_buf->srcaddr)) &&
-                   sllao_set == 1) {
+                    sllao_set == 1) {
                     opt_aro_buf = get_opt_aro_buf(ipv6_ext_hdr_len,
                                                   opt_hdr_len);
 
                     if ((opt_aro_buf->length == 2) &&
-                       (opt_aro_buf->status == 0)) {
+                        (opt_aro_buf->status == 0)) {
                         /* check neighbor cache for duplicates */
                         nbr_entry = nbr_cache_search(&(ipv6_buf->srcaddr));
 
@@ -961,7 +961,7 @@ void recv_nbr_sol(void)
                         }
                         else {
                             if (memcmp(&(nbr_entry->addr.uint16[4]),
-                                      &(opt_aro_buf->eui64.uint16[0]), 8) == 0) {
+                                       &(opt_aro_buf->eui64.uint16[0]), 8) == 0) {
                                 /* update neighbor cache entry */
                                 if (opt_aro_buf->reg_ltime == 0) {
                                     /* delete neighbor cache entry */
@@ -1004,7 +1004,7 @@ void recv_nbr_sol(void)
         alist_dest = ipv6_iface_addr_match(&(ipv6_buf->destaddr));
 
         if ((memcmp(&(alist_targ->addr), &(alist_dest->addr), 16) == 0) ||
-           ipv6_addr_sol_node_mcast_match(&ipv6_buf->destaddr)) {
+            ipv6_addr_sol_node_mcast_match(&ipv6_buf->destaddr)) {
             memcpy(&(ipv6_buf->destaddr.uint8[0]),
                    &(ipv6_buf->srcaddr.uint8[0]), 16);
             memcpy(&(ipv6_buf->srcaddr.uint8[0]),
@@ -1093,7 +1093,7 @@ void recv_nbr_adv(void)
     while (packet_length > IPV6HDR_ICMPV6HDR_LEN + opt_hdr_len) {
         opt_buf = get_opt_buf(ipv6_ext_hdr_len, opt_hdr_len);
 
-        switch(opt_buf->type) {
+        switch (opt_buf->type) {
             case (OPT_TLLAO_TYPE): {
                 llao = (uint8_t *)get_opt_stllao_buf(ipv6_ext_hdr_len,
                                                      opt_hdr_len);
@@ -1148,8 +1148,8 @@ void recv_nbr_adv(void)
                 }
                 else {
                     if ((nbr_adv_buf->rso & NBR_ADV_FLAG_O) ||
-                       (!(nbr_adv_buf->rso & NBR_ADV_FLAG_O) && llao != 0 &&
-                        !new_ll)) {
+                        (!(nbr_adv_buf->rso & NBR_ADV_FLAG_O) && llao != 0 &&
+                         !new_ll)) {
                         if (llao != 0) {
                             memcpy(&nbr_entry->laddr, &llao[2], 8);
                         }
@@ -1179,7 +1179,7 @@ void set_llao(opt_stllao_t *sllao, uint8_t type, uint8_t length)
     uint8_t *llao = (uint8_t *)sllao;
 
     /* get link layer address */
-    switch(length) {
+    switch (length) {
         case (1): {
             memcpy(&llao[2], &(iface.saddr), 2);
             memset(&llao[4], 0, 4);
@@ -1294,7 +1294,7 @@ void nbr_cache_auto_rem(void)
 
     for (i = 0; i < NBR_CACHE_SIZE; i++) {
         if (get_remaining_time(&(nbr_cache[i].ltime)) == 0 &&
-           nbr_cache[i].type == NBR_CACHE_TYPE_TEN) {
+            nbr_cache[i].type == NBR_CACHE_TYPE_TEN) {
             memmove(&(nbr_cache[i]), &(nbr_cache[nbr_count]),
                     sizeof(nbr_cache_t));
             memset(&(nbr_cache[nbr_count]), 0, sizeof(nbr_cache_t));
@@ -1364,9 +1364,9 @@ abr_cache_t *abr_get_version(uint16_t version, ipv6_addr_t *abr_addr)
 
     for (i = 0; i < ABR_CACHE_SIZE; i++) {
         if (abr_cache[i].version == version &&
-           memcmp(&(abr_cache[i].abr_addr.uint8[0]),
-                  &(abr_addr->uint8[0]), 16
-                 ) == 0) {
+            memcmp(&(abr_cache[i].abr_addr.uint8[0]),
+                   &(abr_addr->uint8[0]), 16
+                  ) == 0) {
             return &(abr_cache[i]);
         }
     }
@@ -1424,7 +1424,7 @@ def_rtr_lst_t *def_rtr_lst_search(ipv6_addr_t *ipaddr)
 
     for (i = 0; i < DEF_RTR_LST_SIZE; i++) {
         if (memcmp(&def_rtr_lst[i].addr.uint8[0],
-                  &(ipaddr->uint8[0]), 16) == 0) {
+                   &(ipaddr->uint8[0]), 16) == 0) {
             return &def_rtr_lst[i];
         }
     }
diff --git a/sys/net/sixlowpan/icmp.h b/sys/net/sixlowpan/icmp.h
index 9d906e9a5a36d5d0820f9f750728a53add69d435..e635dcfc68a7fda875352f2cfd0d7b8cde7c72a3 100644
--- a/sys/net/sixlowpan/icmp.h
+++ b/sys/net/sixlowpan/icmp.h
@@ -274,7 +274,7 @@ uint16_t icmpv6_csum(uint8_t proto);
 def_rtr_lst_t *def_rtr_lst_search(ipv6_addr_t *ipaddr);
 void def_rtr_lst_add(ipv6_addr_t *ipaddr, uint32_t rtr_ltime);
 void def_rtr_lst_rem(def_rtr_lst_t *entry);
-void init_para_prob(ipv6_addr_t *src, ipv6_addr_t *dest, uint8_t code, 
+void init_para_prob(ipv6_addr_t *src, ipv6_addr_t *dest, uint8_t code,
                     uint32_t pointer, uint8_t *packet, uint8_t packet_len);
 void init_nbr_sol(ipv6_addr_t *src, ipv6_addr_t *dest, ipv6_addr_t *targ,
                   uint8_t slloa, uint8_t aro);
diff --git a/sys/net/sixlowpan/ip.c b/sys/net/sixlowpan/ip.c
index 8c70c4aa01ce56bf1d65e041494ac567e91ab2d0..2fc1f2d8e1090a69236352321bf1ea5d841a7b81 100644
--- a/sys/net/sixlowpan/ip.c
+++ b/sys/net/sixlowpan/ip.c
@@ -1,5 +1,5 @@
 /**
- * IPv6 implementation 
+ * IPv6 implementation
  *
  * Copyright (C) 2013  INRIA.
  *
@@ -10,7 +10,7 @@
  * @ingroup sixlowpan
  * @{
  * @file    sixlowip.c
- * @brief   6lowpan IP layer functions 
+ * @brief   6lowpan IP layer functions
  * @author  Stephan Zeisberg <zeisberg@mi.fu-berlin.de>
  * @author  Martin Lenders <mlenders@inf.fu-berlin.de>
  * @author  Eric Engel <eric.engel@fu-berlin.de>
@@ -20,13 +20,16 @@
 
 #include <stdio.h>
 #include <string.h>
-#include <vtimer.h>
-#include <mutex.h>
+
+#include "vtimer.h"
+#include "mutex.h"
 #include "msg.h"
+
 #include "ip.h"
 #include "mac.h"
 #include "icmp.h"
 #include "lowpan.h"
+
 #include "sys/net/destiny/in.h"
 #include "sys/net/destiny/socket.h"
 #include "sys/net/net_help/net_help.h"
@@ -55,11 +58,10 @@ uint8_t *get_payload_buf_send(uint8_t ext_len)
 
 ipv6_hdr_t *get_ipv6_buf(void)
 {
-    return ((ipv6_hdr_t *)&(buffer[LL_HDR_LEN]));
+    return ((ipv6_hdr_t *) & (buffer[LL_HDR_LEN]));
 }
 
-struct icmpv6_hdr_t *get_icmpv6_buf(uint8_t ext_len)
-{
+struct icmpv6_hdr_t *get_icmpv6_buf(uint8_t ext_len) {
     return ((struct icmpv6_hdr_t *) & (buffer[LLHDR_IPV6HDR_LEN + ext_len]));
 }
 
@@ -105,13 +107,13 @@ void sixlowpan_send(ipv6_addr_t *addr, uint8_t *payload, uint16_t p_len,
 
     packet_length = IPV6_HDR_LEN + p_len;
 
-    lowpan_init((ieee_802154_long_t *)&(ipv6_buf->destaddr.uint16[4]), 
+    lowpan_init((ieee_802154_long_t *) & (ipv6_buf->destaddr.uint16[4]),
                 (uint8_t *)ipv6_buf);
 }
 
 int icmpv6_demultiplex(const struct icmpv6_hdr_t *hdr)
 {
-    switch(hdr->type) {
+    switch (hdr->type) {
         case (ICMP_ECHO_REQ): {
             puts("INFO: packet type: icmp echo request");
             /* processing echo request */
@@ -193,14 +195,14 @@ void ipv6_process(void)
         nextheader = &ipv6_buf->nextheader;
 
         if ((ipv6_get_addr_match(&myaddr, &ipv6_buf->destaddr) >= 112) &&
-           (ipv6_buf->destaddr.uint8[15] != myaddr.uint8[15])) {
+            (ipv6_buf->destaddr.uint8[15] != myaddr.uint8[15])) {
             memcpy(get_ipv6_buf_send(), get_ipv6_buf(),
                    IPV6_HDR_LEN + ipv6_buf->length);
-            lowpan_init((ieee_802154_long_t *)&(ipv6_buf->destaddr.uint16[4]),
+            lowpan_init((ieee_802154_long_t *) & (ipv6_buf->destaddr.uint16[4]),
                         (uint8_t *)get_ipv6_buf_send());
         }
         else {
-            switch(*nextheader) {
+            switch (*nextheader) {
                 case (PROTO_NUM_ICMPV6): {
                     /* checksum test*/
                     if (icmpv6_csum(PROTO_NUM_ICMPV6) != 0xffff) {
@@ -277,7 +279,7 @@ void ipv6_iface_add_addr(ipv6_addr_t *addr, uint8_t state, uint32_t val_ltime,
 
         /* Register to Solicited-Node multicast address according to RFC 4291 */
         if (type == ADDR_TYPE_ANYCAST || type == ADDR_TYPE_LINK_LOCAL ||
-           type == ADDR_TYPE_GLOBAL || type == ADDR_TYPE_UNICAST) {
+            type == ADDR_TYPE_GLOBAL || type == ADDR_TYPE_UNICAST) {
             ipv6_addr_t sol_node_mcast_addr;
             ipv6_set_sol_node_mcast_addr(addr, &sol_node_mcast_addr);
 
@@ -294,7 +296,7 @@ addr_list_t *ipv6_iface_addr_match(ipv6_addr_t *addr)
 
     for (i = 0; i < iface_addr_list_count; i++) {
         if (memcmp(&(iface.addr_list[i].addr.uint8[0]),
-                  &(addr->uint8[0]), 16) == 0) {
+                   &(addr->uint8[0]), 16) == 0) {
             return &(iface.addr_list[i]);
         }
     }
@@ -308,7 +310,7 @@ addr_list_t *ipv6_iface_addr_prefix_eq(ipv6_addr_t *addr)
 
     for (i = 0; i < iface_addr_list_count; i++) {
         if (memcmp(&(iface.addr_list[i].addr.uint8[0]),
-                  &(addr->uint8[0]), 8) == 0) {
+                   &(addr->uint8[0]), 8) == 0) {
             return &(iface.addr_list[i]);
         }
     }
@@ -405,7 +407,7 @@ void ipv6_get_saddr(ipv6_addr_t *src, ipv6_addr_t *dst)
     else {
         for (int j = 0; j < IFACE_ADDR_LIST_LEN; j++) {
             if ((iface.addr_list[j].state == ADDR_STATE_PREFERRED) &&
-               ipv6_prefix_ll_match(&(iface.addr_list[j].addr))) {
+                ipv6_prefix_ll_match(&(iface.addr_list[j].addr))) {
                 itmp = j;
             }
         }
@@ -490,9 +492,9 @@ uint8_t ipv6_prefix_mcast_match(ipv6_addr_t *addr)
 uint8_t ipv6_addr_unspec_match(ipv6_addr_t *addr)
 {
     if ((addr->uint16[0] == 0) && (addr->uint16[1] == 0) &&
-       (addr->uint16[2] == 0) && (addr->uint16[3] == 0) &&
-       (addr->uint16[4] == 0) && (addr->uint16[5] == 0) &&
-       (addr->uint16[6] == 0) && (addr->uint16[7] == 0)) {
+        (addr->uint16[2] == 0) && (addr->uint16[3] == 0) &&
+        (addr->uint16[4] == 0) && (addr->uint16[5] == 0) &&
+        (addr->uint16[6] == 0) && (addr->uint16[7] == 0)) {
         return 1;
     }
 
@@ -503,10 +505,10 @@ uint8_t ipv6_addr_sol_node_mcast_match(ipv6_addr_t *addr)
 {
     /* note: cool if-condition*/
     if ((addr->uint8[0] == 0xFF) && (addr->uint8[1] == 0x02) &&
-       (addr->uint16[1] == 0x00) && (addr->uint16[2] == 0x00) &&
-       (addr->uint16[3] == 0x00) && (addr->uint16[4] == 0x00) &&
-       (addr->uint8[10] == 0x00) && (addr->uint8[11] == 0x01) &&
-       (addr->uint8[12] == 0xFF)) {
+        (addr->uint16[1] == 0x00) && (addr->uint16[2] == 0x00) &&
+        (addr->uint16[3] == 0x00) && (addr->uint16[4] == 0x00) &&
+        (addr->uint8[10] == 0x00) && (addr->uint8[11] == 0x01) &&
+        (addr->uint8[12] == 0xFF)) {
         return 1;
     }
 
diff --git a/sys/net/sixlowpan/ip.h b/sys/net/sixlowpan/ip.h
index 355c00dde88bf120b0911d560c4e827b0640c449..db948544cd706db5544762ac8b26db686fc90fe9 100644
--- a/sys/net/sixlowpan/ip.h
+++ b/sys/net/sixlowpan/ip.h
@@ -24,8 +24,9 @@
 #define _SIXLOWPAN_IP_H
 
 #include <stdint.h>
-#include <timex.h>
-#include <mutex.h>
+
+#include "timex.h"
+#include "mutex.h"
 
 /* set maximum transmission unit */
 #define MTU                         256
diff --git a/sys/net/sixlowpan/lowpan.c b/sys/net/sixlowpan/lowpan.c
index 8d42d950b6766edacd0d24c3b9b6fa14a1d390ea..af506e5bef485cd6d1905fe6c743ad18eeaf48a6 100644
--- a/sys/net/sixlowpan/lowpan.c
+++ b/sys/net/sixlowpan/lowpan.c
@@ -10,7 +10,7 @@
  * @ingroup sixlowpan
  * @{
  * @file    sixlowpan.c
- * @brief   6lowpan functions 
+ * @brief   6lowpan functions
  * @author  Stephan Zeisberg <zeisberg@mi.fu-berlin.de>
  * @author  Martin Lenders <mlenders@inf.fu-berlin.de>
  * @author  Oliver Gesch <oliver.gesch@googlemail.com>
@@ -18,7 +18,6 @@
  * @}
  */
 
-#include "ip.h"
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
@@ -31,12 +30,14 @@
 #include "mutex.h"
 #include "hwtimer.h"
 #include "msg.h"
+#include "transceiver.h"
+
 #include "mac.h"
 #include "lowpan.h"
 #include "border.h"
 #include "ip.h"
 #include "icmp.h"
-#include "transceiver.h"
+
 #include "sys/net/ieee802154/ieee802154_frame.h"
 #include "sys/net/destiny/in.h"
 #include "sys/net/net_help/net_help.h"
@@ -207,7 +208,7 @@ void printFIFOBuffers(void)
     while (temp_buffer != NULL) {
         printLongLocalAddr(&temp_buffer->s_laddr);
         printf("Ident.: %i, Packet Size: %i/%i, Timestamp: %li\n",
-               temp_buffer->ident_no, temp_buffer->current_packet_size, 
+               temp_buffer->ident_no, temp_buffer->current_packet_size,
                temp_buffer->packet_size, temp_buffer->timestamp);
         temp_interval = temp_buffer->interval_list_head;
 
@@ -353,10 +354,10 @@ lowpan_reas_buf_t *get_packet_frag_buf(uint16_t datagram_size,
 
     while (current_buf != NULL) {
         if (((ll_get_addr_match(&current_buf->s_laddr, s_laddr)) == 64) &&
-           ((ll_get_addr_match(&current_buf->d_laddr, d_laddr)) == 64) &&
-           (current_buf->packet_size == datagram_size) &&
-           (current_buf->ident_no == datagram_tag) &&
-           current_buf->interval_list_head != NULL) {
+            ((ll_get_addr_match(&current_buf->d_laddr, d_laddr)) == 64) &&
+            (current_buf->packet_size == datagram_size) &&
+            (current_buf->ident_no == datagram_tag) &&
+            current_buf->interval_list_head != NULL) {
             /* Found buffer for current packet fragment */
             timex_t now;
             vtimer_now(&now);
@@ -378,8 +379,8 @@ uint8_t isInInterval(uint8_t start1, uint8_t end1, uint8_t start2, uint8_t end2)
     /* 0: Interval 1 and 2 are not overlapping or the same */
 
     if (((start1 < start2) && (start2 <= end1)) ||
-       ((start2 < start1) && (start1 <= end2)) ||
-       ((start1 == start2) && (end1 == end2))) {
+        ((start2 < start1) && (start1 <= end2)) ||
+        ((start1 == start2) && (end1 == end2))) {
         return 1;
     }
     else {
@@ -505,7 +506,7 @@ lowpan_reas_buf_t *collect_garbage(lowpan_reas_buf_t *current_buf)
     return return_buf;
 }
 
-void handle_packet_fragment(uint8_t *data, uint8_t datagram_offset, 
+void handle_packet_fragment(uint8_t *data, uint8_t datagram_offset,
                             uint16_t datagram_size, uint16_t datagram_tag,
                             ieee_802154_long_t *s_laddr,
                             ieee_802154_long_t *d_laddr, uint8_t hdr_length,
@@ -516,8 +517,8 @@ void handle_packet_fragment(uint8_t *data, uint8_t datagram_offset,
     current_buf = get_packet_frag_buf(datagram_size, datagram_tag, s_laddr, d_laddr);
 
     if ((current_buf != NULL) && (handle_packet_frag_interval(current_buf,
-                                                             datagram_offset,
-                                                             frag_size) == 1)) {
+                                  datagram_offset,
+                                  frag_size) == 1)) {
         /* Copy fragment bytes into corresponding packet space area */
         memcpy(current_buf->packet + datagram_offset, data + hdr_length, frag_size);
         current_buf->current_packet_size += frag_size;
@@ -633,7 +634,7 @@ void lowpan_read(uint8_t *data, uint8_t length, ieee_802154_long_t *s_laddr,
         /* get 16-bit datagram tag */
         datagram_tag = (((uint16_t)(data[2] << 8)) | data[3]);
 
-        switch(data[0] & 0xf8) {
+        switch (data[0] & 0xf8) {
                 /* First Fragment */
             case (0xc0): {
                 datagram_offset = 0;
@@ -665,7 +666,7 @@ void lowpan_read(uint8_t *data, uint8_t length, ieee_802154_long_t *s_laddr,
     /* Regular Packet */
     else {
         lowpan_reas_buf_t *current_buf = get_packet_frag_buf(length, 0, s_laddr,
-                                                             d_laddr);
+                                         d_laddr);
         /* Copy packet bytes into corresponding packet space area */
         memcpy(current_buf->packet, data, length);
         current_buf->current_packet_size += length;
@@ -711,12 +712,12 @@ void lowpan_iphc_encoding(ieee_802154_long_t *dest, ipv6_hdr_t *ipv6_buf_extra,
     tc = (tc >> 2) | (tc << 6);
 
     if ((ipv6_buf->flowlabel == 0) &&
-       (ipv6_buf->trafficclass_flowlabel & 0x0f) == 0) {
+        (ipv6_buf->trafficclass_flowlabel & 0x0f) == 0) {
         /* flowlabel is elided */
         lowpan_iphc[0] |= LOWPAN_IPHC_FL_C;
 
         if (((ipv6_buf->version_trafficclass & 0x0f) == 0) &&
-           ((ipv6_buf->trafficclass_flowlabel & 0xf0) == 0)) {
+            ((ipv6_buf->trafficclass_flowlabel & 0xf0) == 0)) {
             /* traffic class is elided */
             lowpan_iphc[0] |= LOWPAN_IPHC_TC_C;
         }
@@ -729,7 +730,7 @@ void lowpan_iphc_encoding(ieee_802154_long_t *dest, ipv6_hdr_t *ipv6_buf_extra,
     else {
         /* flowlabel not compressible */
         if (((ipv6_buf->version_trafficclass & 0x0f) == 0) &&
-           ((ipv6_buf->trafficclass_flowlabel & 0xf0) == 0)) {
+            ((ipv6_buf->trafficclass_flowlabel & 0xf0) == 0)) {
             /* traffic class is elided */
             lowpan_iphc[0] |= LOWPAN_IPHC_TC_C;
             /* ECN + 2-bit Pad + Flow Label (3 bytes), DSCP is elided */
@@ -752,7 +753,7 @@ void lowpan_iphc_encoding(ieee_802154_long_t *dest, ipv6_hdr_t *ipv6_buf_extra,
     hdr_pos++;
 
     /* HLIM: Hop Limit: */
-    switch(ipv6_buf->hoplimit) {
+    switch (ipv6_buf->hoplimit) {
         case (1): {
             /* 01: The Hop Limit field is compressed and the hop limit is 1. */
             lowpan_iphc[0] |= 0x01;
@@ -782,7 +783,7 @@ void lowpan_iphc_encoding(ieee_802154_long_t *dest, ipv6_hdr_t *ipv6_buf_extra,
 
     /* CID: Context Identifier Extension: */
     if ((lowpan_context_lookup(&ipv6_buf->srcaddr) != NULL) ||
-       (lowpan_context_lookup(&ipv6_buf->destaddr) != NULL)) {
+        (lowpan_context_lookup(&ipv6_buf->destaddr) != NULL)) {
         lowpan_iphc[1] |= LOWPAN_IPHC_CID;
         memmove(&ipv6_hdr_fields[1], &ipv6_hdr_fields[0], hdr_pos);
         hdr_pos++;
@@ -805,9 +806,9 @@ void lowpan_iphc_encoding(ieee_802154_long_t *dest, ipv6_hdr_t *ipv6_buf_extra,
             lowpan_iphc[1] |= 0x30;
         }
         else if ((ipv6_buf->srcaddr.uint16[4] == 0) &&
-                (ipv6_buf->srcaddr.uint16[5] == 0) &&
-                (ipv6_buf->srcaddr.uint16[6] == 0) &&
-                ((ipv6_buf->srcaddr.uint8[14]) & 0x80) == 0) {
+                 (ipv6_buf->srcaddr.uint16[5] == 0) &&
+                 (ipv6_buf->srcaddr.uint16[6] == 0) &&
+                 ((ipv6_buf->srcaddr.uint8[14]) & 0x80) == 0) {
             /* 49-bit of interface identifier are 0, so we can compress
              * source address-iid to 16-bit */
             memcpy(&ipv6_hdr_fields[hdr_pos], &ipv6_buf->srcaddr.uint16[7], 2);
@@ -832,9 +833,9 @@ void lowpan_iphc_encoding(ieee_802154_long_t *dest, ipv6_hdr_t *ipv6_buf_extra,
             lowpan_iphc[1] |= 0x30;
         }
         else if ((ipv6_buf->srcaddr.uint16[4] == 0) &&
-                (ipv6_buf->srcaddr.uint16[5] == 0) &&
-                (ipv6_buf->srcaddr.uint16[6] == 0) &&
-                ((ipv6_buf->srcaddr.uint8[14]) & 0x80) == 0) {
+                 (ipv6_buf->srcaddr.uint16[5] == 0) &&
+                 (ipv6_buf->srcaddr.uint16[6] == 0) &&
+                 ((ipv6_buf->srcaddr.uint8[14]) & 0x80) == 0) {
             /* 49-bit of interface identifier are 0, so we can compress
              * source address-iid to 16-bit */
             memcpy(&ipv6_hdr_fields[hdr_pos], &ipv6_buf->srcaddr.uint16[7], 2);
@@ -864,24 +865,24 @@ void lowpan_iphc_encoding(ieee_802154_long_t *dest, ipv6_hdr_t *ipv6_buf_extra,
 
         /* just another cool if condition */
         if ((ipv6_buf->destaddr.uint8[1] == 2) &&
-           (ipv6_buf->destaddr.uint16[1] == 0) &&
-           (ipv6_buf->destaddr.uint16[2] == 0) &&
-           (ipv6_buf->destaddr.uint16[3] == 0) &&
-           (ipv6_buf->destaddr.uint16[4] == 0) &&
-           (ipv6_buf->destaddr.uint16[5] == 0) &&
-           (ipv6_buf->destaddr.uint16[6] == 0) &&
-           (ipv6_buf->destaddr.uint8[14] == 0)) {
+            (ipv6_buf->destaddr.uint16[1] == 0) &&
+            (ipv6_buf->destaddr.uint16[2] == 0) &&
+            (ipv6_buf->destaddr.uint16[3] == 0) &&
+            (ipv6_buf->destaddr.uint16[4] == 0) &&
+            (ipv6_buf->destaddr.uint16[5] == 0) &&
+            (ipv6_buf->destaddr.uint16[6] == 0) &&
+            (ipv6_buf->destaddr.uint8[14] == 0)) {
             /* 11: 8 bits. The address takes the form FF02::00XX. */
             lowpan_iphc[1] |= 0x03;
             ipv6_hdr_fields[hdr_pos] = ipv6_buf->destaddr.uint8[15];
             hdr_pos++;
         }
         else if ((ipv6_buf->destaddr.uint16[1] == 0) &&
-                (ipv6_buf->destaddr.uint16[2] == 0) &&
-                (ipv6_buf->destaddr.uint16[3] == 0) &&
-                (ipv6_buf->destaddr.uint16[4] == 0) &&
-                (ipv6_buf->destaddr.uint16[5] == 0) &&
-                (ipv6_buf->destaddr.uint8[12] == 0)) {
+                 (ipv6_buf->destaddr.uint16[2] == 0) &&
+                 (ipv6_buf->destaddr.uint16[3] == 0) &&
+                 (ipv6_buf->destaddr.uint16[4] == 0) &&
+                 (ipv6_buf->destaddr.uint16[5] == 0) &&
+                 (ipv6_buf->destaddr.uint8[12] == 0)) {
             /* 10: 32 bits. The address takes the form FFXX::00XX:XXXX. */
             lowpan_iphc[1] |= 0x02;
             /* copy second and last 3 byte */
@@ -891,10 +892,10 @@ void lowpan_iphc_encoding(ieee_802154_long_t *dest, ipv6_hdr_t *ipv6_buf_extra,
             hdr_pos += 3;
         }
         else if ((ipv6_buf->destaddr.uint16[1] == 0) &&
-                (ipv6_buf->destaddr.uint16[2] == 0) &&
-                (ipv6_buf->destaddr.uint16[3] == 0) &&
-                (ipv6_buf->destaddr.uint16[4] == 0) &&
-                (ipv6_buf->destaddr.uint8[10] == 0)) {
+                 (ipv6_buf->destaddr.uint16[2] == 0) &&
+                 (ipv6_buf->destaddr.uint16[3] == 0) &&
+                 (ipv6_buf->destaddr.uint16[4] == 0) &&
+                 (ipv6_buf->destaddr.uint8[10] == 0)) {
             /* 01: 48 bits.  The address takes the form FFXX::00XX:XXXX:XXXX */
             lowpan_iphc[1] |= 0x01;
             /* copy second and last 5 byte */
@@ -922,9 +923,9 @@ void lowpan_iphc_encoding(ieee_802154_long_t *dest, ipv6_hdr_t *ipv6_buf_extra,
                 lowpan_iphc[1] |= 0x03;
             }
             else if ((ipv6_buf->destaddr.uint16[4] == 0) &&
-                    (ipv6_buf->destaddr.uint16[5] == 0) &&
-                    (ipv6_buf->destaddr.uint16[6] == 0) &&
-                    ((ipv6_buf->destaddr.uint8[14]) & 0x80) == 0) {
+                     (ipv6_buf->destaddr.uint16[5] == 0) &&
+                     (ipv6_buf->destaddr.uint16[6] == 0) &&
+                     ((ipv6_buf->destaddr.uint8[14]) & 0x80) == 0) {
                 /* 49-bit of interface identifier are 0, so we can compress
                  * source address-iid to 16-bit */
                 memcpy(&ipv6_hdr_fields[hdr_pos], &ipv6_buf->destaddr.uint16[7], 2);
@@ -948,9 +949,9 @@ void lowpan_iphc_encoding(ieee_802154_long_t *dest, ipv6_hdr_t *ipv6_buf_extra,
                 lowpan_iphc[1] |= 0x03;
             }
             else if ((ipv6_buf->destaddr.uint16[4] == 0) &&
-                    (ipv6_buf->destaddr.uint16[5] == 0) &&
-                    (ipv6_buf->destaddr.uint16[6] == 0) &&
-                    ((ipv6_buf->destaddr.uint8[14]) & 0x80) == 0) {
+                     (ipv6_buf->destaddr.uint16[5] == 0) &&
+                     (ipv6_buf->destaddr.uint16[6] == 0) &&
+                     ((ipv6_buf->destaddr.uint8[14]) & 0x80) == 0) {
                 /* 49-bit of interface identifier are 0, so we can compress
                  * source address-iid to 16-bit */
                 memcpy(&ipv6_hdr_fields[hdr_pos], &ipv6_buf->destaddr.uint16[7], 2);
@@ -1076,7 +1077,7 @@ void lowpan_iphc_decoding(uint8_t *data, uint8_t length,
 
     /* HLIM: Hop Limit: */
     if (lowpan_iphc[0] & 0x03) {
-        switch(lowpan_iphc[0] & 0x03) {
+        switch (lowpan_iphc[0] & 0x03) {
             case (0x01): {
                 ipv6_buf->hoplimit = 1;
                 break;
@@ -1121,7 +1122,7 @@ void lowpan_iphc_decoding(uint8_t *data, uint8_t length,
             return;
         }
 
-        switch(((lowpan_iphc[1] & LOWPAN_IPHC_SAM) >> 4) & 0x03) {
+        switch (((lowpan_iphc[1] & LOWPAN_IPHC_SAM) >> 4) & 0x03) {
             case (0x01): {
                 /* 64-bits */
                 memcpy(&(ipv6_buf->srcaddr.uint8[8]), &ipv6_hdr_fields[hdr_pos], 8);
@@ -1163,7 +1164,7 @@ void lowpan_iphc_decoding(uint8_t *data, uint8_t length,
         mutex_unlock(&lowpan_context_mutex);
     }
     else {
-        switch(((lowpan_iphc[1] & LOWPAN_IPHC_SAM) >> 4) & 0x03) {
+        switch (((lowpan_iphc[1] & LOWPAN_IPHC_SAM) >> 4) & 0x03) {
             case (0x01): {
                 /* 64-bits */
                 memcpy(&(ipv6_buf->srcaddr.uint8[0]), &ll_prefix[0], 2);
@@ -1227,7 +1228,7 @@ void lowpan_iphc_decoding(uint8_t *data, uint8_t length,
         }
         else {
             /* If M=1 and DAC=0: */
-            switch(lowpan_iphc[1] & 0x03) {
+            switch (lowpan_iphc[1] & 0x03) {
                 case (0x01): {
                     m_prefix[1] = ipv6_hdr_fields[hdr_pos];
                     hdr_pos++;
@@ -1244,7 +1245,7 @@ void lowpan_iphc_decoding(uint8_t *data, uint8_t length,
                     break;
             }
 
-            switch(lowpan_iphc[1] & 0x03) {
+            switch (lowpan_iphc[1] & 0x03) {
                 case (0x01): {
                     memcpy(&(ipv6_buf->destaddr.uint8[0]), &m_prefix[0], 2);
                     memset(&(ipv6_buf->destaddr.uint8[2]), 0, 9);
@@ -1296,7 +1297,7 @@ void lowpan_iphc_decoding(uint8_t *data, uint8_t length,
                 return;
             }
 
-            switch((lowpan_iphc[1] & LOWPAN_IPHC_DAM) & 0x03) {
+            switch ((lowpan_iphc[1] & LOWPAN_IPHC_DAM) & 0x03) {
                 case (0x01): {
                     memcpy(&(ipv6_buf->destaddr.uint8[8]), &ipv6_hdr_fields[hdr_pos], 8);
                     /* By draft-ietf-6lowpan-hc-15 3.1.1. Bits covered by context information are always used. */
@@ -1329,7 +1330,7 @@ void lowpan_iphc_decoding(uint8_t *data, uint8_t length,
             mutex_unlock(&lowpan_context_mutex);
         }
         else {
-            switch((lowpan_iphc[1] & LOWPAN_IPHC_DAM) & 0x03) {
+            switch ((lowpan_iphc[1] & LOWPAN_IPHC_DAM) & 0x03) {
                 case (0x01): {
                     memcpy(&(ipv6_buf->destaddr.uint8[0]), &ll_prefix[0], 2);
                     memset(&(ipv6_buf->destaddr.uint8[2]), 0, 6);
@@ -1441,7 +1442,7 @@ lowpan_context_t *lowpan_context_lookup(ipv6_addr_t *addr)
 
     for (i = 0; i < lowpan_context_len(); i++) {
         if (contexts[i].length > 0 && memcmp((void *)addr, &(contexts[i].prefix),
-                                            contexts[i].length) == 0) {
+                                             contexts[i].length) == 0) {
             /* longer prefixes are always prefered */
             if (context == NULL || context->length < contexts[i].length) {
                 context = &contexts[i];
diff --git a/sys/net/sixlowpan/lowpan.h b/sys/net/sixlowpan/lowpan.h
index 58024ccf2d8abab4493b190ba320d28700c013b8..5b9393b3263865e73decfdf8fa5f95266928c653 100644
--- a/sys/net/sixlowpan/lowpan.h
+++ b/sys/net/sixlowpan/lowpan.h
@@ -10,7 +10,7 @@
  * @ingroup sixlowpan
  * @{
  * @file    sixlowpan.h
- * @brief   6lowpan header 
+ * @brief   6lowpan header
  * @author  Stephan Zeisberg <zeisberg@mi.fu-berlin.de>
  * @author  Martin Lenders <mlenders@inf.fu-berlin.de>
  * @author  Oliver Gesch <oliver.gesch@googlemail.com>
@@ -118,7 +118,7 @@ void sixlowpan_init(transceiver_type_t trans, uint8_t r_addr, int as_border);
  * @param[in] prefix    the address prefix to advertise
  * @param[in] r_addr    phy layer address
  */
-void sixlowpan_adhoc_init(transceiver_type_t trans, ipv6_addr_t *prefix, 
+void sixlowpan_adhoc_init(transceiver_type_t trans, ipv6_addr_t *prefix,
                           uint8_t r_addr);
 void lowpan_init(ieee_802154_long_t *addr, uint8_t *data);
 void lowpan_read(uint8_t *data, uint8_t length, ieee_802154_long_t *s_laddr,
diff --git a/sys/net/sixlowpan/mac.c b/sys/net/sixlowpan/mac.c
index 507c214cc70947a865a1df80e70f0e06911b1296..d7ecd1c030e05d79d698c365a89efc4b48eaa339 100644
--- a/sys/net/sixlowpan/mac.c
+++ b/sys/net/sixlowpan/mac.c
@@ -9,8 +9,8 @@
  *
  * @ingroup sixlowpan
  * @{
- * @file    sixlowmac.c 
- * @brief   6lowpan link layer functions 
+ * @file    sixlowmac.c
+ * @brief   6lowpan link layer functions
  * @author  Stephan Zeisberg <zeisberg@mi.fu-berlin.de>
  * @author  Martin Lenders <mlenders@inf.fu-berlin.de>
  * @author  Eric Engel <eric.engel@fu-berlin.de>
@@ -21,20 +21,21 @@
 
 
 #include <stdlib.h>
+#include <stdint.h>
 #include <string.h>
-#include <inttypes.h>
 
-#include "mac.h"
-#include "ip.h"
-#include "icmp.h"
-#include "lowpan.h"
-#include <ltc4150.h>
-#include <hwtimer.h>
+#include "ltc4150.h"
+#include "hwtimer.h"
 #include "thread.h"
 #include "msg.h"
 #include "radio/radio.h"
 #include "transceiver.h"
 #include "vtimer.h"
+
+#include "mac.h"
+#include "ip.h"
+#include "icmp.h"
+#include "lowpan.h"
 #include "sys/net/ieee802154/ieee802154_frame.h"
 #include "sys/net/net_help/net_help.h"
 
diff --git a/sys/net/sixlowpan/mac.h b/sys/net/sixlowpan/mac.h
index 85f4a1fb935ba47903e7f6662e975db5b7261d06..e3e0cbc870bf75a5025578155bbc345fc0062416 100644
--- a/sys/net/sixlowpan/mac.h
+++ b/sys/net/sixlowpan/mac.h
@@ -23,9 +23,11 @@
 
 #include <stdio.h>
 #include <stdint.h>
-#include "ip.h"
+
 #include "radio/radio.h"
-#include <transceiver.h>
+#include "transceiver.h"
+
+#include "ip.h"
 
 #define RADIO_STACK_SIZE            (MINIMUM_STACK_SIZE + 256)
 #define RADIO_RCV_BUF_SIZE          (64)
diff --git a/sys/net/sixlowpan/semaphore.c b/sys/net/sixlowpan/semaphore.c
index 67ac13ca1dece33517dc35dc8f2f115699aa1376..6e2e837d53e07ab54604148074d068656370d77e 100644
--- a/sys/net/sixlowpan/semaphore.c
+++ b/sys/net/sixlowpan/semaphore.c
@@ -1,5 +1,5 @@
 /**
- * Semaphore implemenation 
+ * Semaphore implemenation
  *
  * Copyright (C) 2013  INRIA.
  *
@@ -16,8 +16,6 @@
  * @}
  */
 
-#include <mutex.h>
-
 #include "semaphore.h"
 
 void sem_init(sem_t *sem, int8_t value)
diff --git a/sys/net/sixlowpan/semaphore.h b/sys/net/sixlowpan/semaphore.h
index 6394e603628df1edcab72c8ccb7af5786bb3afa8..3acb650b473dfd5dfe1f96d37e06e8ae62a596ee 100644
--- a/sys/net/sixlowpan/semaphore.h
+++ b/sys/net/sixlowpan/semaphore.h
@@ -20,7 +20,8 @@
 #define _SIXLOWPAN_SEMAPHORE_H
 
 #include <stdint.h>
-#include <mutex.h>
+
+#include "mutex.h"
 
 typedef struct sem_t {
     int8_t value;
diff --git a/sys/net/sixlowpan/serialnumber.c b/sys/net/sixlowpan/serialnumber.c
index b1fad78016be70d064234890aeba15f33d0b34e8..f774b76627d4612017d5995af9468f43af29539d 100644
--- a/sys/net/sixlowpan/serialnumber.c
+++ b/sys/net/sixlowpan/serialnumber.c
@@ -1,5 +1,5 @@
 /**
- * serial number arithmetics (corresponding RFC1982) for version field in ABRO 
+ * serial number arithmetics (corresponding RFC1982) for version field in ABRO
  *
  * Copyright (C) 2013  INRIA.
  *
@@ -10,7 +10,7 @@
  * @ingroup sixlowpan
  * @{
  * @file    serialnumber.c
- * @brief   serial number arithmetics (corresponding RFC1982) for version field in ABRO 
+ * @brief   serial number arithmetics (corresponding RFC1982) for version field in ABRO
  * @author  Martin Lenders <mlenders@inf.fu-berlin.de>
  * @author  Oliver Hahm <oliver.hahm@inria.fr>
  * @}