Add E1000 PIC NIC driver from Yu Qiang

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3638 42af7a65-404d-4744-a932-0658087f49c3

2 files changed, 75 insertions, 1 deletions

diff --git a/nuttx/lib/net/Make.defs b/nuttx/lib/net/Make.defs
index 5cacb1079..ca7ab9587 100644
--- a/nuttx/lib/net/Make.defs
+++ b/nuttx/lib/net/Make.defs
@@ -33,4 +33,4 @@
 #
 ############################################################################
 
-NET_SRCS = lib_htons.c lib_htonl.c lib_inetntoa.c lib_etherntoa.c
+NET_SRCS = lib_htons.c lib_htonl.c lib_inetntoa.c lib_etherntoa.c lib_inetaddr.c
diff --git a/nuttx/lib/net/lib_inetaddr.c b/nuttx/lib/net/lib_inetaddr.c
new file mode 100644
index 000000000..48b01d682
--- /dev/null
+++ b/nuttx/lib/net/lib_inetaddr.c
@@ -0,0 +1,74 @@
+/****************************************************************************
+ * lib/net/lib_inetaddr.c
+ *
+ *   Copyright (C) 2011 Yu Qiang. All rights reserved.
+ *   Author: Yu Qiang <yuq825@gmail.com>
+ *
+ * This file is a part of NuttX:
+ *
+ *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <stdio.h>
+#include <arpa/inet.h>
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * name inet_addr
+ *
+ * Description:
+ *   The inet_addr() function converts the string pointed to by cp, in the
+ *   standard IPv4 dotted decimal notation, to an integer value suitable for
+ *   use as an Internet address.
+ 
+ ****************************************************************************/
+
+in_addr_t inet_addr(FAR const char *cp)
+{
+  unsigned int a, b, c, d;
+  uint32_t result;
+
+  sscanf(cp, "%u.%u.%u.%u", &a, &b, &c, &d);
+  result   = a << 8;
+  result  |= b;
+  result <<= 8;
+  result  |= c;
+  result <<= 8;
+  result  |= d;
+  return HTONL(result);
+}