gnrc_tcp: cleanup: fixed outdated comments

sys/include/net/gnrc/tcp.h

@@ -68,7 +68,7 @@ void gnrc_tcp_tcb_init(gnrc_tcp_tcb_t *tcb);
   * @param[in] target_addr      Pointer to target address.
   * @param[in] target_port      Targets port number.
   * @param[in] local_port       If zero or GNRC_TCP_PORT_UNSPEC, the connections
-  *                             source port is randomly choosen. If local_port is non-zero
+  *                             source port is randomly chosen. If local_port is non-zero
   *                             the local_port is used as source port.
   *
   * @return   Zero on success.
@@ -183,8 +183,8 @@ int gnrc_tcp_close(gnrc_tcp_tcb_t *tcb);
 /**
  * @brief Set checksum calculated from tcp and network-layer header in tcp-header.
  *
- * @param[in] hdr          ng_pktsnip that contains tcp header.
- * @param[in] pseudo_hdr   ng_pktsnip that contains networklayer header.
+ * @param[in] hdr          gnrc_pktsnip that contains tcp header.
+ * @param[in] pseudo_hdr   gnrc_pktsnip that contains networklayer header.
  *
  * @return   zero on succeed.
  * @return   -EFAULT if hdr or pseudo_hdr were NULL

sys/net/gnrc/transport_layer/tcp/gnrc_tcp.c

@@ -83,7 +83,7 @@ mutex_t _list_tcb_lock;
  * @param[in] local_port    Local Port to bind on, if this is a passive connection.
  * @param[in] passive       Flag to indicate if this is a active or passive open.
  *
- * @return  0 on success.
+ * @return   0 on success.
  * @return   -EISCONN if transmission control block is already in use.
  * @return   -ENOMEM if the receive buffer for the tcb could not be allocated.
  *           Increase "GNRC_TCP_RCV_BUFFERS".

sys/net/gnrc/transport_layer/tcp/gnrc_tcp_eventloop.c

@@ -37,7 +37,7 @@
 #include "debug.h"
 
 /**
- * @brief send function, used to pass paket down the network stack
+ * @brief send function, pass paket down the network stack
  *
  * @param[in] pkt   paket to pass down the network stack
  *
@@ -67,7 +67,7 @@ static int _send(gnrc_pktsnip_t *pkt)
 }
 
 /**
- * @brief recv function, used to call fsm on packet reception
+ * @brief recv function, receive packet from network layer.
  *
  * @param[in] pkt   incomming paket to process
  *

sys/net/gnrc/transport_layer/tcp/gnrc_tcp_fsm.c

@@ -57,7 +57,7 @@ static int _is_local_port_in_use(const uint16_t portnumber)
 }
 
 /**
- * @brief Generate random, currently unused local port above the well-known ports (> 1024)
+ * @brief Generate random unused local port above the well-known ports (> 1024)
  *
  * @return The generated port number
  */
@@ -76,7 +76,7 @@ static uint16_t _get_random_local_port(void)
 /**
  * @brief clears retransmit queue
  *
- * @param[in/out] conn   TCP Connection, where the retransmit should be cleared
+ * @param[in/out] tcb   tcb containing the retransmit queue.
  *
  * @return zero on success
  */
@@ -93,7 +93,7 @@ static int _clear_retransmit(gnrc_tcp_tcb_t *tcb)
 /**
  * @brief restarts time wait timer
  *
- * @param[in/out] conn TCP Connection, where the timewait_timer should be restarted
+ * @param[in/out] tcb   tcb containing the timer structure to use.
  *
  * @return Zero on success
  */
@@ -802,7 +802,7 @@ static int _fsm_timeout_connection(gnrc_tcp_tcb_t *tcb, bool *notify_owner)
 /**
  * @brief FSM Handling Function for probe sending
  *
- * @param[in/out] tcb Specifies tcb to use fsm on.
+ * @param[in/out] tcb    tcb of this connection
  *
  * @return zero on success.
  */
@@ -822,7 +822,7 @@ static int _fsm_send_probe(gnrc_tcp_tcb_t *tcb)
 /**
  * @brief FSM Handling Function for clearing the retransmit queue.
  *
- * @param[in/out] tcb Specifies tcb to use fsm on.
+ * @param[in/out] tcb   tcb of this connection.
  *
  * @return zero on success.
  */

sys/net/gnrc/transport_layer/tcp/internal/common.h

@@ -120,7 +120,7 @@ extern "C" {
 extern kernel_pid_t gnrc_tcp_pid;
 
 /**
- * @brief Head of conn linked list.
+ * @brief Head of linked tcb list.
  */
 extern gnrc_tcp_tcb_t *_list_tcb_head;
 

sys/net/gnrc/transport_layer/tcp/internal/pkt.h

@@ -43,14 +43,14 @@ extern "C" {
 int _pkt_build_reset_from_pkt(gnrc_pktsnip_t **out_pkt, gnrc_pktsnip_t *in_pkt);
 
 /**
- * @brief Build and allocate a tcp paket in paketbuffer, conn stores pointer to new paket.
+ * @brief Build and allocate a tcp paket, tcb stores pointer to new paket.
  *
- * @param[in,out] tcb        This connections Transmission control block.
+ * @param[in,out] tcb        This connections transmission control block.
  * @param[out] out_pkt       Pointer to paket to build
- * @param[out] seq_con       Number of Bytes, the packet will consume in sequence number spce
- * @param[in]  ctl           control bits to set in pkt
- * @param[in]  seq_num       sequence number to use in new paket
- * @param[in]  ack_num       acknowledgment number to use in new paket
+ * @param[out] seq_con       Number of Bytes, the packet will consume in sequence number space
+ * @param[in]  ctl           control bits to set in out_pkt
+ * @param[in]  seq_num       sequence number of the new paket
+ * @param[in]  ack_num       acknowledgment number of the new paket
  * @param[in]  payload       pointer to payload buffer
  * @param[in]  payload_len   payload size
  *
@@ -110,7 +110,7 @@ uint32_t _pkt_get_pay_len(gnrc_pktsnip_t *pkt);
  *
  * @param[in,out] tcb      This connections Transmission control block.
  * @param[in] pkt          paket to add to the retransmission mechanism
- * @param[in] retransmit   is this a retransmission ?
+ * @param[in] retransmit   Flag used to indicate that pkt is a retransmit.
  *
  * @return   Zero on success
  * @return   -ENOMEM if the retransmission queue is full

sys/net/gnrc/transport_layer/tcp/internal/rcvbuf.h

@@ -17,10 +17,10 @@
  * @brief       Functions for allocating and freeing the receive buffer
  *
  * @author      Simon Brummer <simon.brummer@posteo.de>
- * @}
  */
- #ifndef GNRC_TCP_INTERNAL_RCVBUF_H
- #define GNRC_TCP_INTERNAL_RCVBUF_H
+
+#ifndef GNRC_TCP_INTERNAL_RCVBUF_H
+#define GNRC_TCP_INTERNAL_RCVBUF_H
 
 #include <stdint.h>
 #include "mutex.h"

tests/gnrc_tcp_client/main.c

@@ -5,7 +5,7 @@
  * General Public License v2.1. See the file LICENSE in the top level
  * directory for more details.
  */
- 
+
 #include <stdio.h>
 #include <errno.h>
 #include "net/af.h"

tests/gnrc_tcp_server/main.c

@@ -5,7 +5,7 @@
  * General Public License v2.1. See the file LICENSE in the top level
  * directory for more details.
  */
- 
+
 #include <stdio.h>
 #include <errno.h>
 #include "thread.h"