nexmon – Rev 1

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diff -ur ipw2200-1.1.4/ipw2200.c ipw2200-1.1.4-inject/ipw2200.c
--- ipw2200-1.1.4/ipw2200.c     2006-08-21 04:38:32.000000000 +0200
+++ ipw2200-1.1.4-inject/ipw2200.c      2006-08-23 14:20:31.000000000 +0200
@@ -30,6 +30,8 @@
 
 ******************************************************************************/
 
+#include <linux/version.h>
+
 #include "ipw2200.h"
 
 
@@ -1945,6 +1945,66 @@
 static DEVICE_ATTR(net_stats, S_IWUSR | S_IRUGO,
                   show_net_stats, store_net_stats);
 
+static int ipw_tx_skb(struct ipw_priv *priv, struct ieee80211_txb *txb, int pri);
+
+/* SYSFS INJECT */
+static ssize_t store_inject(struct device *d,
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,12)
+       struct device_attribute *attr,
+#endif
+       const char *buf, size_t count) 
+{
+       struct ipw_priv *priv = (struct ipw_priv *)d->driver_data;
+       struct ieee80211_device *ieee = priv->ieee;
+       struct ieee80211_txb * txb;
+       struct sk_buff *skb_frag;
+       unsigned char * newbuf;
+       unsigned long flags;
+
+       // should test (ieee->is_queue_full) 
+       
+       // Fw only accepts data, so avoid accidental fw errors.
+       if ( (buf[0]&0x0c) != '\x08') {
+               //printk("ipw2200: inject: discarding non-data frame (type=%02X)\n",(int)(unsigned char)buf[0]);
+               return count;
+       }
+
+       if (count>1500) {
+               count=1500;
+               printk("ipw2200: inject: cutting down frame to 1500 bytes\n");
+       }
+       
+       spin_lock_irqsave(&priv->lock, flags);
+
+       // Create a txb with one skb
+       txb = kmalloc(sizeof(struct ieee80211_txb) + sizeof(u8 *), GFP_ATOMIC);
+       if (!txb)
+               goto nosepuede;
+       txb->nr_frags=1;
+       txb->frag_size = ieee->tx_headroom;
+       txb->fragments[0]=__dev_alloc_skb(count + ieee->tx_headroom, GFP_ATOMIC);
+       if (!txb->fragments[0]) {
+               kfree(txb);
+               goto nosepuede;
+       }
+       skb_reserve(txb->fragments[0], ieee->tx_headroom);
+       txb->encrypted=0;
+       txb->payload_size=count;
+       skb_frag = txb->fragments[0];
+       newbuf=skb_put(skb_frag, count);
+
+       // copy data into txb->skb and send it
+       memcpy(newbuf, buf, count);
+       
+       ipw_tx_skb(priv, txb, 0);
+
+nosepuede:
+       spin_unlock_irqrestore(&priv->lock, flags);
+       return count;
+}
+
+static DEVICE_ATTR(inject, S_IWUSR, NULL, store_inject);
+
 static void notify_wx_assoc_event(struct ipw_priv *priv)
 {
        union iwreq_data wrqu;
@@ -11478,6 +11538,7 @@
 #ifdef CONFIG_IPW2200_PROMISCUOUS
        &dev_attr_rtap_iface.attr,
        &dev_attr_rtap_filter.attr,
+       &dev_attr_inject.attr,
 #endif
        NULL
 };
diff -ur ipw2200-1.1.4/Makefile ipw2200-1.1.4-inject/Makefile
--- ipw2200-1.1.4/Makefile      2006-08-21 04:38:29.000000000 +0200
+++ ipw2200-1.1.4-inject/Makefile       2006-08-23 14:22:06.000000000 +0200
@@ -30,14 +30,14 @@
 # simply uncomment:
 #
 # NOTE:  To use RADIOTAP you must also enable MONITOR above.
-#CONFIG_IPW2200_RADIOTAP=y
+CONFIG_IPW2200_RADIOTAP=y
 
 # The above monitor mode provides standard monitor mode.  The following
 # will create a new interface (named rtap%d) which will be sent all
 # 802.11 frames received on the interface
 #
 # NOTE:  To use PROMISCUOUS you must also enable MONITOR above.
-#CONFIG_IPW2200_PROMISCUOUS=y
+CONFIG_IPW2200_PROMISCUOUS=y
 
 endif