1 files changed, 247 insertions, 0 deletions
diff --git a/include/compat/linux/compat-2.6.24.h b/include/compat/linux/compat-2.6.24.h
new file mode 100755
index 0000000..c49c44d
--- /dev/null
+++ b/include/compat/linux/compat-2.6.24.h
@@ -0,0 +1,247 @@
+#ifndef LINUX_26_24_COMPAT_H
+#define LINUX_26_24_COMPAT_H
+
+#include <linux/version.h>
+
+/* Compat work for 2.6.21, 2.6.22 and 2.6.23 */
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24))
+
+#include <asm/atomic.h>
+#include <linux/netdevice.h>
+#include <linux/skbuff.h>
+#include <linux/usb.h>
+#include <linux/types.h>
+#include <linux/list.h>
+#include <linux/scatterlist.h>
+
+#define KEY_BLUETOOTH	237
+#define KEY_WLAN	238
+#define KEY_UWB		239
+
+#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
+
+struct proc_dir_entry;
+struct net_device;
+struct net {
+	atomic_t		count;		/* To decided when the network
+						 *  namespace should be freed.
+						 */
+	atomic_t		use_count;	/* To track references we
+						 * destroy on demand
+						 */
+	struct list_head	list;		/* list of network namespaces */
+	struct work_struct	work;		/* work struct for freeing */
+
+	struct proc_dir_entry	*proc_net;
+	struct proc_dir_entry	*proc_net_stat;
+	struct proc_dir_entry	*proc_net_root;
+
+	struct net_device       *loopback_dev;          /* The loopback */
+
+	struct list_head	dev_base_head;
+	struct hlist_head	*dev_name_head;
+	struct hlist_head	*dev_index_head;
+};
+
+#ifdef CONFIG_NET
+/* Init's network namespace */
+extern struct net init_net;
+#define INIT_NET_NS(net_ns) .net_ns = &init_net,
+#else
+#define INIT_NET_NS(net_ns)
+#endif
+
+/* Added on 2.6.24 in include/linux/types.h by Al viro on commit 142956af */
+typedef unsigned long               uintptr_t;
+
+/* From include/linux/net.h */
+enum sock_shutdown_cmd {
+	SHUT_RD		= 0,
+	SHUT_WR		= 1,
+	SHUT_RDWR	= 2,
+};
+
+#if (LINUX_VERSION_CODE == KERNEL_VERSION(2,6,23)) /* Local check */
+/* Added as of 2.6.24 in include/linux/skbuff.h.
+ *
+ * Although 2.6.23 does support for CONFIG_NETDEVICES_MULTIQUEUE
+ * this helper was not added until 2.6.24. This implementation
+ * is exactly as it is on newer kernels.
+ *
+ * For older kernels we use the an internal mac80211 hack.
+ * For details see changes to include/net/mac80211.h through
+ * compat.diff and compat/mq_compat.h */
+static inline u16 skb_get_queue_mapping(struct sk_buff *skb)
+{
+#ifdef CONFIG_NETDEVICES_MULTIQUEUE
+	return skb->queue_mapping;
+#else
+	return 0;
+#endif
+}
+#endif /* Local 2.6.23 check */
+
+/* On older kernels we handle this a bit differently, so we yield to that
+ * code for its implementation in mq_compat.h as we want to make
+ * use of the internal mac80211 __ieee80211_queue_stopped() which itself
+ * uses internal mac80211 data structure hacks. */
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23)) /* Local check */
+/**
+ * netif_subqueue_stopped - test status of subqueue
+ * @dev: network device
+ * @queue_index: sub queue index
+ *
+ * Check individual transmit queue of a device with multiple transmit queues.
+ */
+static inline int __netif_subqueue_stopped(const struct net_device *dev,
+					u16 queue_index)
+{
+#ifdef CONFIG_NETDEVICES_MULTIQUEUE
+	return test_bit(__LINK_STATE_XOFF,
+	&dev->egress_subqueue[queue_index].state);
+#else
+	return 0;
+#endif
+}
+
+/* Note: although the backport implementation for netif_subqueue_stopped
+ * on older kernels is identical to upstream __netif_subqueue_stopped()
+ * (except for a const qualifier) we implement netif_subqueue_stopped()
+ * as part of mac80211 as it relies on internal mac80211 structures we
+ * use for MQ support. We this implement it in mq_compat.h */
+
+#endif /* Local 2.6.23 check */
+
+/*
+ * Force link bug if constructor is used, can't be done compatibly
+ * because constructor arguments were swapped since then!
+ */
+extern void __incompatible_kmem_cache_create(void);
+
+/* 2.6.21 and 2.6.22 kmem_cache_create() takes 6 arguments */
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23))
+#define kmem_cache_create(name, objsize, align, flags, ctor)	\
+	({							\
+		if (ctor) __incompatible_kmem_cache_create();	\
+		kmem_cache_create((name), (objsize), (align),	\
+				  (flags), NULL, NULL);		\
+	})
+#endif
+
+/* 2.6.23 kmem_cache_create() takes 5 arguments */
+#if (LINUX_VERSION_CODE == KERNEL_VERSION(2,6,23))
+#define kmem_cache_create(name, objsize, align, flags, ctor)	\
+	({							\
+		if (ctor) __incompatible_kmem_cache_create();	\
+		kmem_cache_create((name), (objsize), (align),	\
+				  (flags), NULL);		\
+	})
+#endif
+
+/* From include/linux/mod_devicetable.h */
+
+/* SSB core, see drivers/ssb/ */
+#ifndef SSB_DEVICE
+struct ssb_device_id {
+	__u16   vendor;
+	__u16   coreid;
+	__u8    revision;
+};
+#define SSB_DEVICE(_vendor, _coreid, _revision)  \
+	{ .vendor = _vendor, .coreid = _coreid, .revision = _revision, }
+#define SSB_DEVTABLE_END  \
+	{ 0, },
+
+#define SSB_ANY_VENDOR          0xFFFF
+#define SSB_ANY_ID              0xFFFF
+#define SSB_ANY_REV             0xFF
+#endif
+
+
+/* Namespace stuff, introduced on 2.6.24 */
+#define dev_get_by_index(a, b)		dev_get_by_index(b)
+#define __dev_get_by_index(a, b)	__dev_get_by_index(b)
+
+extern int		eth_header(struct sk_buff *skb, struct net_device *dev,
+				unsigned short type, void *daddr,
+				void *saddr, unsigned len);
+extern int		eth_rebuild_header(struct sk_buff *skb);
+extern void		eth_header_cache_update(struct hh_cache *hh, struct net_device *dev,
+				unsigned char * haddr);
+extern int		eth_header_cache(struct neighbour *neigh,
+			struct hh_cache *hh);
+
+/* This structure is simply not present on 2.6.22 and 2.6.23 */
+struct header_ops {
+	int     (*create) (struct sk_buff *skb, struct net_device *dev,
+		unsigned short type, void *daddr,
+		void *saddr, unsigned len);
+	int     (*parse)(const struct sk_buff *skb, unsigned char *haddr);
+	int     (*rebuild)(struct sk_buff *skb);
+	#define HAVE_HEADER_CACHE
+	int     (*cache)(struct neighbour *neigh, struct hh_cache *hh);
+	void    (*cache_update)(struct hh_cache *hh,
+		struct net_device *dev,
+		unsigned char *haddr);
+};
+
+/* net/ieee80211/ieee80211_crypt_tkip uses sg_init_table. This was added on
+ * 2.6.24. CONFIG_DEBUG_SG was added in 2.6.24 as well, so lets just ignore
+ * the debug stuff. Note that adding this required changes to the struct
+ * scatterlist on include/asm/scatterlist*, so the right way to port this
+ * is to simply ignore the new structure changes and zero the scatterlist
+ * array. We lave the kdoc intact for reference.
+ */
+
+/**
+ * sg_mark_end - Mark the end of the scatterlist
+ * @sg:          SG entryScatterlist
+ *
+ * Description:
+ *   Marks the passed in sg entry as the termination point for the sg
+ *   table. A call to sg_next() on this entry will return NULL.
+ *
+ **/
+static inline void sg_mark_end(struct scatterlist *sg)
+{
+#ifdef CONFIG_DEBUG_SG
+	BUG_ON(sg->sg_magic != SG_MAGIC);
+#endif
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24))
+	/*
+	 * Set termination bit, clear potential chain bit
+	*/
+	sg->page_link |= 0x02;
+	sg->page_link &= ~0x01;
+#endif
+}
+
+/**
+ * sg_init_table - Initialize SG table
+ * @sgl:           The SG table
+ * @nents:         Number of entries in table
+ *
+ * Notes:
+ *   If this is part of a chained sg table, sg_mark_end() should be
+ *   used only on the last table part.
+ *
+ **/
+static inline void sg_init_table(struct scatterlist *sgl, unsigned int nents)
+{
+	memset(sgl, 0, sizeof(*sgl) * nents);
+}
+
+/**
+ * usb_endpoint_num - get the endpoint's number
+ * @epd: endpoint to be checked
+ *
+ * Returns @epd's number: 0 to 15.
+ */
+static inline int usb_endpoint_num(const struct usb_endpoint_descriptor *epd)
+{
+	return epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
+}
+
+#endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)) */
+
+#endif /* LINUX_26_24_COMPAT_H */