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authormerge <null@invalid>2009-01-22 13:55:32 +0000
committerAndy Green <agreen@octopus.localdomain>2009-01-22 13:55:32 +0000
commitaa6f5ffbdba45aa8e19e5048648fc6c7b25376d3 (patch)
treefbb786d0ac6f8a774fd834e9ce951197e60fbffa /drivers/staging/otus/wrap_buf.c
parentf2d78193eae5dccd3d588d2c8ea0866efc368332 (diff)
MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141
pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 / fdf777a63bcb59e0dfd78bfe2c6242e01f6d4eb9 ... parent commitmessage: From: merge <null@invalid> MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 stable-tracking-hist top was MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 / 90463bfd2d5a3c8b52f6e6d71024a00e052b0ced ... parent commitmessage: From: merge <null@invalid> MERGE-via-mokopatches-tracking-hist-fix-stray-endmenu-patch mokopatches-tracking-hist top was fix-stray-endmenu-patch / 3630e0be570de8057e7f8d2fe501ed353cdf34e6 ... parent commitmessage: From: Andy Green <andy@openmoko.com> fix-stray-endmenu.patch Signed-off-by: Andy Green <andy@openmoko.com>
Diffstat (limited to 'drivers/staging/otus/wrap_buf.c')
-rw-r--r--drivers/staging/otus/wrap_buf.c114
1 files changed, 114 insertions, 0 deletions
diff --git a/drivers/staging/otus/wrap_buf.c b/drivers/staging/otus/wrap_buf.c
new file mode 100644
index 00000000000..62496a0f8e3
--- /dev/null
+++ b/drivers/staging/otus/wrap_buf.c
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2007-2008 Atheros Communications Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+/* */
+/* Module Name : wrap_buf.c */
+/* */
+/* Abstract */
+/* This module contains wrapper functions for buffer management */
+/* */
+/* NOTES */
+/* Platform dependent. */
+/* */
+/************************************************************************/
+
+#include "oal_dt.h"
+#include "usbdrv.h"
+
+
+#include <linux/netlink.h>
+
+#if WIRELESS_EXT > 12
+#include <net/iw_handler.h>
+#endif
+
+
+
+/* Called to allocate buffer, must return a continue buffer space */
+zbuf_t* zfwBufAllocate(zdev_t* dev, u16_t len)
+{
+ zbuf_t* buf;
+
+ /* Allocate SKB for packet*/
+ buf = dev_alloc_skb(len);
+
+ return buf;
+}
+
+
+/* Called to free buffer, replace below 3 functions */
+void zfwBufFree(zdev_t* dev, zbuf_t* buf, u16_t status)
+{
+ dev_kfree_skb_any(buf);
+}
+
+/* Called to adjust buffer size and head pointer */
+u16_t zfwBufRemoveHead(zdev_t* dev, zbuf_t* buf, u16_t size)
+{
+ //zm_assert(buf->len > size);
+
+ buf->data += size;
+ buf->len -= size;
+ return 0;
+}
+
+
+
+
+/* return tail if head==NULL, called to chain multiple buffer together */
+/* Used to chain Rx buffer to form a frame. if the prepared Rx buffer */
+/* is greater than an ethernet frame(1518+32 byte), then this function */
+/* will only be called with head=NULL. */
+u16_t zfwBufChain(zdev_t* dev, zbuf_t** head, zbuf_t* tail)
+{
+
+ *head = tail;
+ return 0;
+}
+
+
+/* Called when doing infra-bss forwarding */
+u16_t zfwBufCopy(zdev_t* dev, zbuf_t* dst, zbuf_t* src)
+{
+ memcpy(dst->data, src->data, src->len);
+ dst->tail = dst->data;
+ skb_put(dst, src->len);
+ return 0;
+}
+
+
+/* Called to adjust buffer size and tail pointer */
+u16_t zfwBufSetSize(zdev_t* dev, zbuf_t* buf, u16_t size)
+{
+#ifdef NET_SKBUFF_DATA_USES_OFFSET
+ buf->tail = 0;
+ buf->len = 0;
+#else
+ buf->tail = buf->data;
+ buf->len = 0;
+#endif
+
+ skb_put(buf, size);
+ return 0;
+}
+
+u16_t zfwBufGetSize(zdev_t* dev, zbuf_t* buf)
+{
+ return buf->len;
+}
+
+void zfwCopyBufContext(zdev_t* dev, zbuf_t* source, zbuf_t* dst)
+{
+}