Add basic structure to support netdevice ioctls

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@344 42af7a65-404d-4744-a932-0658087f49c3

2 files changed, 122 insertions, 3 deletions

diff --git a/nuttx/include/net/ioctls.h b/nuttx/include/net/ioctls.h
new file mode 100644
index 000000000..d95371190
--- /dev/null
+++ b/nuttx/include/net/ioctls.h
@@ -0,0 +1,104 @@
+/****************************************************************************
+ * net/ioctls.h
+ *
+ *   Copyright (C) 2007 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * 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 Gregory Nutt 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.
+ *
+ ****************************************************************************/
+
+#ifndef __NET_IOCTLS_H
+#define __NET_IOCTLS_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <sys/socket.h>
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+/* These are ioctl commands to use with a socket FD.  At present, commnads
+ * are accepted onloy to set/get IP addresses, broadcast address, network
+ * masks, and hardware address, and a few others
+ */
+
+#define _SIOCBASE       (0x8900)
+#define _SIOCMASK       (0x00ff)
+#define _SIOCVALID(c)   (((c) & ~_SIOCMASK) == _SIOCBASE)
+
+#define SIOCGIFADDR     (_SIOCBASE|0x0001)  /* Get IP address */
+#define SIOCSIFADDR     (_SIOCBASE|0x0002)  /* Set IP address */
+#define SIOCGIFBRDADDR  (_SIOCBASE|0x0003)  /* Get broadcast IP address	*/
+#define SIOCSIFBRDADDR  (_SIOCBASE|0x0004)  /* Set broadcast IP address	*/
+#define SIOCGIFNETMASK  (_SIOCBASE|0x0005)  /* Get network mask */
+#define SIOCSIFNETMASK  (_SIOCBASE|0x0006)  /* Set network mask */
+#define SIOCGIFMTU      (_SIOCBASE|0x0007)  /* Get MTU size */
+#define SIOCSIFHWADDR   (_SIOCBASE|0x0008)  /* Set hardware address */
+#define SIOCGIFHWADDR   (_SIOCBASE|0x0009)  /* Get hardware address */
+#define SIOCDIFADDR     (_SIOCBASE|0x000a)  /* Delete IP address */
+#define SIOCGIFCOUNT    (_SIOCBASE|0x000b)  /* Get number of devices */
+
+/* Sizing parameters */
+
+#define IFNAMSIZ        6
+#define IFHWADDRLEN     6
+
+/****************************************************************************
+ * Type Definitions
+ ****************************************************************************/
+
+struct ifreq
+{
+  char       ifr_name[IFNAMSIZ];      /* Network device name (e.g. "eth0") */
+  union
+  {
+    struct sockaddr ifru_addr;        /* IP Address */
+    struct sockaddr ifru_broadaddr;   /* Broadcast address */
+    struct sockaddr ifru_netmask;     /* Netmask */
+    struct sockaddr ifru_hwaddr;      /* MAC address */
+    int     ifru_count;               /* Number of devices */
+    int     ifru_mtu;                 /* MTU size */
+  } ifr_ifru;
+};
+
+#define ifr_addr        ifr_ifru.ifru_addr      /* Address */
+#define ifr_broadaddr   ifr_ifru.ifru_broadaddr /* Broadcast address */
+#define ifr_netmask     ifr_ifru.ifru_netmask   /* Interface net mask */
+#define ifr_hwaddr      ifr_ifru.ifru_hwaddr    /* MAC address */
+#define ifr_mtu         ifr_ifru.ifru_mtu       /* MTU */
+#define ifr_count       ifr_ifru.ifru_count     /* Number of devices */
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+#endif /* __NET_IOCTLS_H */
diff --git a/nuttx/include/net/uip/uip-arch.h b/nuttx/include/net/uip/uip-arch.h
index 56a794b3c..e54956888 100644
--- a/nuttx/include/net/uip/uip-arch.h
+++ b/nuttx/include/net/uip/uip-arch.h
@@ -42,7 +42,9 @@
 #ifndef __UIP_ARCH_H
 #define __UIP_ARCH_H
 
+#include <nuttx/config.h>
 #include <sys/types.h>
+#include <sys/ioctl.h>
 #include <net/uip/uip.h>
 
 /****************************************************************************
@@ -84,9 +86,22 @@
 
 struct uip_driver_s
 {
-  /* The uIP packet buffer.
-   *
-   * The d_buf array is used to hold incoming and outgoing
+  /* This link is used to maintain a single-linked list of ethernet drivers.
+   * Must be the first field in the structure due to blink type casting.
+   */
+
+#if CONFIG_NSOCKET_DESCRIPTORS > 0
+  FAR struct uip_driver_s *flink;
+
+  /* This is the name of network device assigned when netdev_register was called.
+   * This name is only used to support socket ioctl lookups by device name
+   * Examples: "eth0"
+   */
+
+  char d_ifname[IFNAMSIZ];
+#endif
+
+  /* The d_buf array is used to hold incoming and outgoing
    * packets. The device driver should place incoming data into this
    * buffer. When sending data, the device driver should read the link
    * level headers and the TCP/IP headers from this buffer. The size of