Changeset 1704

Timestamp:

08/11/06 07:44:08 (2 years ago)

Author:

proski

Message:

Provide alloc_netdev() and PDE() to support Linux 2.4.22 and older

Files:

• trunk/ath/if_athvar.h (modified) (1 diff)

trunk/ath/if_athvar.h

@@ -107 +107 @@
-#ifndef SET_NETDEV_DEV
-#define SET_NETDEV_DEV(ndev, pdev)
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,23)
+static inline struct net_device *_alloc_netdev(int sizeof_priv, const char *mask,
+                                               void (*setup)(struct net_device *))
+{
+        struct net_device *dev;
+        int alloc_size;
+
+        /* ensure 32-byte alignment of the private area */
+        alloc_size = sizeof (*dev) + sizeof_priv + 31;
+
+        dev = (struct net_device *) kmalloc (alloc_size, GFP_KERNEL);
+        if (dev == NULL)
+        {
+                printk(KERN_ERR "alloc_dev: Unable to allocate device memory.\n");
+                return NULL;
+        }
+
+        memset(dev, 0, alloc_size);
+
+        if (sizeof_priv)
+                dev->priv = (void *) (((long)(dev + 1) + 31) & ~31);
+
+        setup(dev);
+        strcpy(dev->name, mask);
+
+        return dev;
+}
+
+/* Avoid name collision - some vendor kernels backport alloc_netdev() */
+#undef alloc_netdev
+#define alloc_netdev(s,m,d) _alloc_netdev(s,m,d)
+
+static inline struct proc_dir_entry *PDE(const struct inode *inode)
+{
+        return (struct proc_dir_entry *)inode->u.generic_ip;
+}
-#endif
-