Include all lwIP files in doxygen documentation

src/apps/httpd/httpd.c

@@ -1,3 +1,8 @@
+/**
+ * @file
+ * LWIP HTTP server implementation
+ */
+
 /*
  * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
  * All rights reserved.

src/apps/snmp/snmp_mib2_icmp.c

@@ -1,6 +1,6 @@
 /**
  * @file
- * Management Information Base II (RFC1213) objects and functions.
+ * Management Information Base II (RFC1213) ICMP objects and functions.
  */
 
 /*

src/apps/snmp/snmp_mib2_interfaces.c

@@ -1,6 +1,6 @@
 /**
  * @file
- * Management Information Base II (RFC1213) objects and functions.
+ * Management Information Base II (RFC1213) INTERFACES objects and functions.
  */
 
 /*

src/apps/snmp/snmp_mib2_ip.c

@@ -1,6 +1,6 @@
 /**
  * @file
- * Management Information Base II (RFC1213) objects and functions.
+ * Management Information Base II (RFC1213) IP objects and functions.
  */
 
 /*

src/apps/snmp/snmp_mib2_snmp.c

@@ -1,6 +1,6 @@
 /**
  * @file
- * Management Information Base II (RFC1213) objects and functions.
+ * Management Information Base II (RFC1213) SNMP objects and functions.
  */
 
 /*

src/apps/snmp/snmp_mib2_system.c

@@ -1,6 +1,6 @@
 /**
  * @file
- * Management Information Base II (RFC1213) objects and functions.
+ * Management Information Base II (RFC1213) SYSTEM objects and functions.
  */
 
 /*

src/apps/snmp/snmp_mib2_tcp.c

@@ -1,6 +1,6 @@
 /**
  * @file
- * Management Information Base II (RFC1213) objects and functions.
+ * Management Information Base II (RFC1213) TCP objects and functions.
  */
 
 /*

src/apps/snmp/snmp_mib2_udp.c

@@ -1,6 +1,6 @@
 /**
  * @file
- * Management Information Base II (RFC1213) objects and functions.
+ * Management Information Base II (RFC1213) UDP objects and functions.
  */
 
 /*

src/apps/snmp/snmp_msg.c

@@ -1,6 +1,6 @@
 /**
  * @file
- * SNMP input message processing (RFC1157).
+ * SNMP message processing (RFC1157).
  */
 
 /*

src/apps/snmp/snmp_msg.h

@@ -1,6 +1,6 @@
 /**
  * @file
- * SNMP Agent message handling structures.
+ * SNMP Agent message handling structures (internal API, do not use in client code).
  */
 
 /*

src/apps/snmp/snmp_pbuf_stream.c

@@ -1,3 +1,8 @@
+/**
+ * @file
+ * SNMP pbuf stream wrapper implementation (internal API, do not use in client code).
+ */
+
 /*
  * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
  * All rights reserved.

src/apps/snmp/snmp_pbuf_stream.h

@@ -1,3 +1,8 @@
+/**
+ * @file
+ * SNMP pbuf stream wrapper (internal API, do not use in client code).
+ */
+
 /*
  * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
  * All rights reserved.

src/apps/snmp/snmp_scalar.c

@@ -1,3 +1,8 @@
+/**
+ * @file
+ * SNMP scalar node support implementation.
+ */
+
 /*
  * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
  * All rights reserved.

src/apps/snmp/snmp_table.c

@@ -1,3 +1,8 @@
+/**
+ * @file
+ * SNMP table support implementation.
+ */
+
 /*
  * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
  * All rights reserved.

src/apps/snmp/snmp_threadsync.c

@@ -1,3 +1,8 @@
+/**
+ * @file
+ * SNMP thread synchronization implementation.
+ */
+
 /*
  * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
  * All rights reserved.

src/apps/snmp/snmp_traps.c

@@ -1,3 +1,8 @@
+/**
+ * @file
+ * SNMPv1 traps implementation.
+ */
+
 /*
  * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
  * All rights reserved.

src/apps/snmp/snmpv3_priv.h

@@ -1,6 +1,6 @@
 /**
  * @file
- * Additional SNMPv3 functionality RFC3414 and RFC3826.
+ * Additional SNMPv3 functionality RFC3414 and RFC3826 (internal API, do not use in client code).
  */
 
 /*