Staging: add otus Atheros wireless network driver

Initial dump of the otus USB wireless network driver.
It builds properly, but a lot of work needs to be done cleaning
it up before it can be merged into the wireless driver tree.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 178 insertions, 0 deletions

diff --git a/drivers/staging/otus/wrap_pkt.c b/drivers/staging/otus/wrap_pkt.c
new file mode 100644
index 000000000000..f2dda4b4dcf0
--- /dev/null
+++ b/drivers/staging/otus/wrap_pkt.c
@@ -0,0 +1,178 @@
+/*
+ * 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_pkt.c                                            */
+/*                                                                      */
+/*  Abstract                                                            */
+/*     This module contains wrapper functions for packet handling       */
+/*                                                                      */
+/*  NOTES                                                               */
+/*     Platform dependent.                                              */
+/*                                                                      */
+/************************************************************************/
+
+#include "oal_dt.h"
+#include "usbdrv.h"
+
+#include <linux/netlink.h>
+
+#if WIRELESS_EXT > 12
+#include <net/iw_handler.h>
+#endif
+
+
+
+//extern struct zsWdsStruct wds[ZM_WDS_PORT_NUMBER];
+extern struct zsVapStruct vap[ZM_VAP_PORT_NUMBER];
+
+
+/***** Rx *****/
+void zfLnxRecv80211(zdev_t* dev, zbuf_t* buf, struct zsAdditionInfo* addInfo)
+{
+    u16_t frameType;
+    u16_t frameCtrl;
+    u16_t frameSubtype;
+    zbuf_t *skb1;
+    struct usbdrv_private *macp = dev->priv;
+
+    //frameCtrl = zmw_buf_readb(dev, buf, 0);
+    frameCtrl = *(u8_t*)((u8_t*)buf->data);
+    frameType = frameCtrl & 0xf;
+    frameSubtype = frameCtrl & 0xf0;
+
+    if ((frameType == 0x0) && (macp->forwardMgmt))
+    {
+        switch (frameSubtype)
+        {
+                /* Beacon */
+            case 0x80 :
+                /* Probe response */
+            case 0x50 :
+                skb1 = skb_copy(buf, GFP_ATOMIC);
+                if(skb1 != NULL)
+                {
+                    skb1->dev = dev;
+                #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22))
+	            skb1->mac.raw = skb1->data;
+                #else
+                    skb1->mac_header = skb1->data;
+                #endif
+	            skb1->ip_summed = CHECKSUM_NONE;
+	            skb1->pkt_type = PACKET_OTHERHOST;
+	            skb1->protocol = __constant_htons(0x0019);  /* ETH_P_80211_RAW */
+    	            netif_rx(skb1);
+	            }
+                break;
+            default:
+                break;
+        }
+    }
+
+    zfiRecv80211(dev, buf, addInfo);
+    return;
+}
+
+#define ZM_AVOID_UDP_LARGE_PACKET_FAIL
+void zfLnxRecvEth(zdev_t* dev, zbuf_t* buf, u16_t port)
+{
+#ifdef ZM_AVOID_UDP_LARGE_PACKET_FAIL
+    zbuf_t *new_buf;
+
+    //new_buf = dev_alloc_skb(2048);
+    new_buf = dev_alloc_skb(buf->len);
+
+#ifdef NET_SKBUFF_DATA_USES_OFFSET
+    new_buf->tail = 0;
+    new_buf->len = 0;
+#else
+    new_buf->tail = new_buf->data;
+    new_buf->len = 0;
+#endif
+
+    skb_put(new_buf, buf->len);
+    memcpy(new_buf->data, buf->data, buf->len);
+
+    /* Free buffer */
+    dev_kfree_skb_any(buf);
+
+    if (port == 0)
+    {
+        new_buf->dev = dev;
+        new_buf->protocol = eth_type_trans(new_buf, dev);
+    }
+    else
+    {
+        /* VAP */
+        if (vap[0].dev != NULL)
+        {
+            new_buf->dev = vap[0].dev;
+            new_buf->protocol = eth_type_trans(new_buf, vap[0].dev);
+        }
+        else
+        {
+            new_buf->dev = dev;
+            new_buf->protocol = eth_type_trans(new_buf, dev);
+        }
+    }
+
+    new_buf->ip_summed = CHECKSUM_NONE;
+    dev->last_rx = jiffies;
+
+    switch(netif_rx(new_buf))
+#else
+    if (port == 0)
+    {
+        buf->dev = dev;
+        buf->protocol = eth_type_trans(buf, dev);
+    }
+    else
+    {
+        /* VAP */
+        if (vap[0].dev != NULL)
+        {
+            buf->dev = vap[0].dev;
+            buf->protocol = eth_type_trans(buf, vap[0].dev);
+        }
+        else
+        {
+            buf->dev = dev;
+            buf->protocol = eth_type_trans(buf, dev);
+        }
+    }
+
+    buf->ip_summed = CHECKSUM_NONE;
+    dev->last_rx = jiffies;
+
+    switch(netif_rx(buf))
+#endif
+    {
+    case NET_RX_BAD:
+    case NET_RX_DROP:
+    case NET_RX_CN_MOD:
+    case NET_RX_CN_HIGH:
+        break;
+    default:
+            ((struct usbdrv_private*)(dev->priv))->
+                    drv_stats.net_stats.rx_packets++;
+            ((struct usbdrv_private*)(dev->priv))->
+                    drv_stats.net_stats.rx_bytes += buf->len;
+        break;
+    }
+
+    return;
+}
+
+/* Leave an empty line below to remove warning message on some compiler */