NET: Rename some non-configurable constants UIP_ to IP_ or TCP_

include/nuttx/net/netconfig.h

@@ -105,7 +105,7 @@
  * This should normally not be changed.
  */
 
-#define UIP_TTL 64
+#define IP_TTL 64
 
 #ifdef CONFIG_NET_TCP_REASSEMBLY
 #  ifndef CONFIG_NET_TCP_REASS_MAXAGE
@@ -160,7 +160,7 @@
  *
  * Since the TCP connections are statically allocated, turning this
  * configuration knob down results in less RAM used. Each TCP
- * connection requires approximatly 30 bytes of memory.
+ * connection requires approximately 30 bytes of memory.
  */
 
 #ifndef CONFIG_NET_TCP_CONNS
@@ -194,7 +194,7 @@
  * This should not be changed.
  */
 
-#define UIP_RTO 3
+#define TCP_RTO 3
 
 /* The maximum number of times a segment should be retransmitted
  * before the connection should be aborted.
@@ -202,7 +202,7 @@
  * This should not be changed.
  */
 
-#define UIP_MAXRTX  8
+#define TCP_MAXRTX  8
 
 /* The maximum number of times a SYN segment should be retransmitted
  * before a connection request should be deemed to have been
@@ -211,7 +211,7 @@
  * This should not need to be changed.
  */
 
-#define UIP_MAXSYNRTX 5
+#define TCP_MAXSYNRTX 5
 
 /* The TCP maximum segment size. This is should not be set to more
  * than CONFIG_NET_BUFSIZE - NET_LL_HDRLEN - IPTCP_HDRLEN.

net/icmp/icmp_send.c

@@ -122,7 +122,7 @@ void icmp_send(FAR struct net_driver_s *dev, FAR net_ipaddr_t *destaddr)
       picmp->len[0]      = (dev->d_sndlen >> 8);
       picmp->len[1]      = (dev->d_sndlen & 0xff);
       picmp->nexthdr     = IP_PROTO_ICMP;
-      picmp->hoplimit    = UIP_TTL;
+      picmp->hoplimit    = IP_TTL;
 
       net_ipaddr_copy(picmp->srcipaddr, &dev->d_ipaddr);
       net_ipaddr_copy(picmp->destipaddr, destaddr);
@@ -138,7 +138,7 @@ void icmp_send(FAR struct net_driver_s *dev, FAR net_ipaddr_t *destaddr)
       picmp->ipid[1]     = g_ipid & 0xff;
       picmp->ipoffset[0] = TCPFLAG_DONTFRAG >> 8;
       picmp->ipoffset[1] = TCPFLAG_DONTFRAG & 0xff;
-      picmp->ttl         = UIP_TTL;
+      picmp->ttl         = IP_TTL;
       picmp->proto       = IP_PROTO_ICMP;
 
       net_ipaddr_hdrcopy(picmp->srcipaddr, &dev->d_ipaddr);

net/tcp/tcp_conn.c

@@ -515,8 +515,8 @@ FAR struct tcp_conn_s *tcp_alloc_accept(FAR struct tcp_iphdr_s *buf)
     {
       /* Fill in the necessary fields for the new connection. */
 
-      conn->rto           = UIP_RTO;
-      conn->timer         = UIP_RTO;
+      conn->rto           = TCP_RTO;
+      conn->timer         = TCP_RTO;
       conn->sa            = 0;
       conn->sv            = 4;
       conn->nrtx          = 0;
@@ -679,7 +679,7 @@ int tcp_connect(FAR struct tcp_conn_s *conn,
   conn->unacked    = 1;    /* TCP length of the SYN is one. */
   conn->nrtx       = 0;
   conn->timer      = 1;    /* Send the SYN next time around. */
-  conn->rto        = UIP_RTO;
+  conn->rto        = TCP_RTO;
   conn->sa         = 0;
   conn->sv         = 16;   /* Initial value of the RTT variance. */
   conn->lport      = htons((uint16_t)port);

net/tcp/tcp_send.c

@@ -98,7 +98,7 @@ static void tcp_sendcomplete(FAR struct net_driver_s *dev)
 {
   FAR struct tcp_iphdr_s *pbuf = BUF;
 
-  pbuf->ttl         = UIP_TTL;
+  pbuf->ttl         = IP_TTL;
 
 #ifdef CONFIG_NET_IPv6
 

net/tcp/tcp_send_buffered.c

@@ -408,7 +408,7 @@ static uint16_t psock_send_interrupt(FAR struct net_driver_s *dev,
 
           /* Increment the retransmit count on this write buffer. */
 
-          if (++WRB_NRTX(wrb) >= UIP_MAXRTX)
+          if (++WRB_NRTX(wrb) >= TCP_MAXRTX)
             {
               nlldbg("Expiring wrb=%p nrtx=%u\n", wrb, WRB_NRTX(wrb));
 
@@ -473,7 +473,7 @@ static uint16_t psock_send_interrupt(FAR struct net_driver_s *dev,
 
           /* Free any write buffers that have exceed the retry count */
 
-          if (++WRB_NRTX(wrb) >= UIP_MAXRTX)
+          if (++WRB_NRTX(wrb) >= TCP_MAXRTX)
             {
               nlldbg("Expiring wrb=%p nrtx=%u\n", wrb, WRB_NRTX(wrb));
 

net/tcp/tcp_timer.c

@@ -164,11 +164,11 @@ void tcp_timer(FAR struct net_driver_s *dev, FAR struct tcp_conn_s *conn,
 #ifdef CONFIG_NET_TCP_WRITE_BUFFERS
                   conn->expired > 0 ||
 #else
-                  conn->nrtx == UIP_MAXRTX ||
+                  conn->nrtx == TCP_MAXRTX ||
 #endif
                   ((conn->tcpstateflags == TCP_SYN_SENT ||
                     conn->tcpstateflags == TCP_SYN_RCVD) &&
-                    conn->nrtx == UIP_MAXSYNRTX)
+                    conn->nrtx == TCP_MAXSYNRTX)
                  )
                 {
                   conn->tcpstateflags = TCP_CLOSED;
@@ -189,7 +189,7 @@ void tcp_timer(FAR struct net_driver_s *dev, FAR struct tcp_conn_s *conn,
 
              /* Exponential backoff. */
 
-              conn->timer = UIP_RTO << (conn->nrtx > 4 ? 4: conn->nrtx);
+              conn->timer = TCP_RTO << (conn->nrtx > 4 ? 4: conn->nrtx);
               (conn->nrtx)++;
 
               /* Ok, so we need to retransmit. We do this differently

net/udp/udp_conn.c

@@ -467,7 +467,7 @@ int udp_connect(FAR struct udp_conn_s *conn,
       net_ipaddr_copy(conn->ripaddr, g_allzeroaddr);
     }
 
-  conn->ttl = UIP_TTL;
+  conn->ttl = IP_TTL;
   return OK;
 }