Merge branch 'master'
[powerpc.git] / drivers / net / wireless / ipw2200.c
index 79d1a13..39f82f2 100644 (file)
 #include "ipw2200.h"
 #include <linux/version.h>
 
-#define IPW2200_VERSION "git-1.1.1"
+
+#ifndef KBUILD_EXTMOD
+#define VK "k"
+#else
+#define VK
+#endif
+
+#ifdef CONFIG_IPW2200_DEBUG
+#define VD "d"
+#else
+#define VD
+#endif
+
+#ifdef CONFIG_IPW2200_MONITOR
+#define VM "m"
+#else
+#define VM
+#endif
+
+#ifdef CONFIG_IPW2200_PROMISCUOUS
+#define VP "p"
+#else
+#define VP
+#endif
+
+#ifdef CONFIG_IPW2200_RADIOTAP
+#define VR "r"
+#else
+#define VR
+#endif
+
+#ifdef CONFIG_IPW2200_QOS
+#define VQ "q"
+#else
+#define VQ
+#endif
+
+#define IPW2200_VERSION "1.1.2" VK VD VM VP VR VQ
 #define DRV_DESCRIPTION        "Intel(R) PRO/Wireless 2200/2915 Network Driver"
 #define DRV_COPYRIGHT  "Copyright(c) 2003-2006 Intel Corporation"
 #define DRV_VERSION     IPW2200_VERSION
@@ -65,7 +102,12 @@ static const char ipw_modes[] = {
 };
 static int antenna = CFG_SYS_ANTENNA_BOTH;
 
-#ifdef CONFIG_IPW_QOS
+#ifdef CONFIG_IPW2200_PROMISCUOUS
+static int rtap_iface = 0;     /* def: 0 -- do not create rtap interface */
+#endif
+
+
+#ifdef CONFIG_IPW2200_QOS
 static int qos_enable = 0;
 static int qos_burst_enable = 0;
 static int qos_no_ack_mask = 0;
@@ -129,7 +171,7 @@ static int ipw_send_qos_params_command(struct ipw_priv *priv, struct ieee80211_q
                                       *qos_param);
 static int ipw_send_qos_info_command(struct ipw_priv *priv, struct ieee80211_qos_information_element
                                     *qos_param);
-#endif                         /* CONFIG_IPW_QOS */
+#endif                         /* CONFIG_IPW2200_QOS */
 
 static struct iw_statistics *ipw_get_wireless_stats(struct net_device *dev);
 static void ipw_remove_current_network(struct ipw_priv *priv);
@@ -1272,6 +1314,105 @@ static ssize_t show_cmd_log(struct device *d,
 
 static DEVICE_ATTR(cmd_log, S_IRUGO, show_cmd_log, NULL);
 
+#ifdef CONFIG_IPW2200_PROMISCUOUS
+static void ipw_prom_free(struct ipw_priv *priv);
+static int ipw_prom_alloc(struct ipw_priv *priv);
+static ssize_t store_rtap_iface(struct device *d,
+                        struct device_attribute *attr,
+                        const char *buf, size_t count)
+{
+       struct ipw_priv *priv = dev_get_drvdata(d);
+       int rc = 0;
+
+       if (count < 1)
+               return -EINVAL;
+
+       switch (buf[0]) {
+       case '0':
+               if (!rtap_iface)
+                       return count;
+
+               if (netif_running(priv->prom_net_dev)) {
+                       IPW_WARNING("Interface is up.  Cannot unregister.\n");
+                       return count;
+               }
+
+               ipw_prom_free(priv);
+               rtap_iface = 0;
+               break;
+
+       case '1':
+               if (rtap_iface)
+                       return count;
+
+               rc = ipw_prom_alloc(priv);
+               if (!rc)
+                       rtap_iface = 1;
+               break;
+
+       default:
+               return -EINVAL;
+       }
+
+       if (rc) {
+               IPW_ERROR("Failed to register promiscuous network "
+                         "device (error %d).\n", rc);
+       }
+
+       return count;
+}
+
+static ssize_t show_rtap_iface(struct device *d,
+                       struct device_attribute *attr,
+                       char *buf)
+{
+       struct ipw_priv *priv = dev_get_drvdata(d);
+       if (rtap_iface)
+               return sprintf(buf, "%s", priv->prom_net_dev->name);
+       else {
+               buf[0] = '-';
+               buf[1] = '1';
+               buf[2] = '\0';
+               return 3;
+       }
+}
+
+static DEVICE_ATTR(rtap_iface, S_IWUSR | S_IRUSR, show_rtap_iface,
+                  store_rtap_iface);
+
+static ssize_t store_rtap_filter(struct device *d,
+                        struct device_attribute *attr,
+                        const char *buf, size_t count)
+{
+       struct ipw_priv *priv = dev_get_drvdata(d);
+
+       if (!priv->prom_priv) {
+               IPW_ERROR("Attempting to set filter without "
+                         "rtap_iface enabled.\n");
+               return -EPERM;
+       }
+
+       priv->prom_priv->filter = simple_strtol(buf, NULL, 0);
+
+       IPW_DEBUG_INFO("Setting rtap filter to " BIT_FMT16 "\n",
+                      BIT_ARG16(priv->prom_priv->filter));
+
+       return count;
+}
+
+static ssize_t show_rtap_filter(struct device *d,
+                       struct device_attribute *attr,
+                       char *buf)
+{
+       struct ipw_priv *priv = dev_get_drvdata(d);
+       return sprintf(buf, "0x%04X",
+                      priv->prom_priv ? priv->prom_priv->filter : 0);
+}
+
+static DEVICE_ATTR(rtap_filter, S_IWUSR | S_IRUSR, show_rtap_filter,
+                  store_rtap_filter);
+#endif
+
 static ssize_t show_scan_age(struct device *d, struct device_attribute *attr,
                             char *buf)
 {
@@ -2028,16 +2169,11 @@ static int ipw_send_host_complete(struct ipw_priv *priv)
        return ipw_send_cmd_simple(priv, IPW_CMD_HOST_COMPLETE);
 }
 
-static int ipw_send_system_config(struct ipw_priv *priv,
-                                 struct ipw_sys_config *config)
+static int ipw_send_system_config(struct ipw_priv *priv)
 {
-       if (!priv || !config) {
-               IPW_ERROR("Invalid args\n");
-               return -1;
-       }
-
-       return ipw_send_cmd_pdu(priv, IPW_CMD_SYSTEM_CONFIG, sizeof(*config),
-                               config);
+       return ipw_send_cmd_pdu(priv, IPW_CMD_SYSTEM_CONFIG,
+                               sizeof(priv->sys_config),
+                               &priv->sys_config);
 }
 
 static int ipw_send_ssid(struct ipw_priv *priv, u8 * ssid, int len)
@@ -3107,10 +3243,10 @@ static int ipw_reset_nic(struct ipw_priv *priv)
 
 
 struct ipw_fw {
-       u32 ver;
-       u32 boot_size;
-       u32 ucode_size;
-       u32 fw_size;
+       __le32 ver;
+       __le32 boot_size;
+       __le32 ucode_size;
+       __le32 fw_size;
        u8 data[0];
 };
 
@@ -3134,8 +3270,8 @@ static int ipw_get_fw(struct ipw_priv *priv,
 
        fw = (void *)(*raw)->data;
 
-       if ((*raw)->size < sizeof(*fw) +
-           fw->boot_size + fw->ucode_size + fw->fw_size) {
+       if ((*raw)->size < sizeof(*fw) + le32_to_cpu(fw->boot_size) +
+           le32_to_cpu(fw->ucode_size) + le32_to_cpu(fw->fw_size)) {
                IPW_ERROR("%s is too small or corrupt (%zd)\n",
                          name, (*raw)->size);
                return -EINVAL;
@@ -3240,8 +3376,9 @@ static int ipw_load(struct ipw_priv *priv)
 
        fw = (void *)raw->data;
        boot_img = &fw->data[0];
-       ucode_img = &fw->data[fw->boot_size];
-       fw_img = &fw->data[fw->boot_size + fw->ucode_size];
+       ucode_img = &fw->data[le32_to_cpu(fw->boot_size)];
+       fw_img = &fw->data[le32_to_cpu(fw->boot_size) +
+                          le32_to_cpu(fw->ucode_size)];
 
        if (rc < 0)
                goto error;
@@ -3275,7 +3412,7 @@ static int ipw_load(struct ipw_priv *priv)
                        IPW_NIC_SRAM_UPPER_BOUND - IPW_NIC_SRAM_LOWER_BOUND);
 
        /* DMA the initial boot firmware into the device */
-       rc = ipw_load_firmware(priv, boot_img, fw->boot_size);
+       rc = ipw_load_firmware(priv, boot_img, le32_to_cpu(fw->boot_size));
        if (rc < 0) {
                IPW_ERROR("Unable to load boot firmware: %d\n", rc);
                goto error;
@@ -3297,7 +3434,7 @@ static int ipw_load(struct ipw_priv *priv)
        ipw_write32(priv, IPW_INTA_RW, IPW_INTA_BIT_FW_INITIALIZATION_DONE);
 
        /* DMA the ucode into the device */
-       rc = ipw_load_ucode(priv, ucode_img, fw->ucode_size);
+       rc = ipw_load_ucode(priv, ucode_img, le32_to_cpu(fw->ucode_size));
        if (rc < 0) {
                IPW_ERROR("Unable to load ucode: %d\n", rc);
                goto error;
@@ -3307,7 +3444,7 @@ static int ipw_load(struct ipw_priv *priv)
        ipw_stop_nic(priv);
 
        /* DMA bss firmware into the device */
-       rc = ipw_load_firmware(priv, fw_img, fw->fw_size);
+       rc = ipw_load_firmware(priv, fw_img, le32_to_cpu(fw->fw_size));
        if (rc < 0) {
                IPW_ERROR("Unable to load firmware: %d\n", rc);
                goto error;
@@ -3703,7 +3840,17 @@ static void ipw_bg_disassociate(void *data)
 static void ipw_system_config(void *data)
 {
        struct ipw_priv *priv = data;
-       ipw_send_system_config(priv, &priv->sys_config);
+
+#ifdef CONFIG_IPW2200_PROMISCUOUS
+       if (priv->prom_net_dev && netif_running(priv->prom_net_dev)) {
+               priv->sys_config.accept_all_data_frames = 1;
+               priv->sys_config.accept_non_directed_frames = 1;
+               priv->sys_config.accept_all_mgmt_bcpr = 1;
+               priv->sys_config.accept_all_mgmt_frames = 1;
+       }
+#endif
+
+       ipw_send_system_config(priv);
 }
 
 struct ipw_status_code {
@@ -4195,7 +4342,7 @@ static void ipw_rx_notification(struct ipw_priv *priv,
                                        queue_work(priv->workqueue,
                                                   &priv->system_config);
 
-#ifdef CONFIG_IPW_QOS
+#ifdef CONFIG_IPW2200_QOS
 #define IPW_GET_PACKET_STYPE(x) WLAN_FC_GET_STYPE( \
                         le16_to_cpu(((struct ieee80211_hdr *)(x))->frame_ctl))
                                        if ((priv->status & STATUS_AUTH) &&
@@ -6197,8 +6344,6 @@ static void ipw_wpa_assoc_frame(struct ipw_priv *priv, char *wpa_ie,
 {
        /* make sure WPA is enabled */
        ipw_wpa_enable(priv, 1);
-
-       ipw_disassociate(priv);
 }
 
 static int ipw_set_rsn_capa(struct ipw_priv *priv,
@@ -6392,6 +6537,7 @@ static int ipw_wx_set_auth(struct net_device *dev,
 
        case IW_AUTH_WPA_ENABLED:
                ret = ipw_wpa_enable(priv, param->value);
+               ipw_disassociate(priv);
                break;
 
        case IW_AUTH_RX_UNENCRYPTED_EAPOL:
@@ -6533,7 +6679,7 @@ static int ipw_wx_set_mlme(struct net_device *dev,
        return 0;
 }
 
-#ifdef CONFIG_IPW_QOS
+#ifdef CONFIG_IPW2200_QOS
 
 /* QoS */
 /*
@@ -6998,7 +7144,7 @@ static int ipw_send_qos_info_command(struct ipw_priv *priv, struct ieee80211_qos
                                qos_param);
 }
 
-#endif                         /* CONFIG_IPW_QOS */
+#endif                         /* CONFIG_IPW2200_QOS */
 
 static int ipw_associate_network(struct ipw_priv *priv,
                                 struct ieee80211_network *network,
@@ -7137,7 +7283,7 @@ static int ipw_associate_network(struct ipw_priv *priv,
        else
                priv->sys_config.answer_broadcast_ssid_probe = 0;
 
-       err = ipw_send_system_config(priv, &priv->sys_config);
+       err = ipw_send_system_config(priv);
        if (err) {
                IPW_DEBUG_HC("Attempt to send sys config command failed.\n");
                return err;
@@ -7162,7 +7308,7 @@ static int ipw_associate_network(struct ipw_priv *priv,
 
        priv->assoc_network = network;
 
-#ifdef CONFIG_IPW_QOS
+#ifdef CONFIG_IPW2200_QOS
        ipw_qos_association(priv, network);
 #endif
 
@@ -7436,7 +7582,7 @@ static void ipw_handle_data_packet(struct ipw_priv *priv,
        }
 }
 
-#ifdef CONFIG_IEEE80211_RADIOTAP
+#ifdef CONFIG_IPW2200_RADIOTAP
 static void ipw_handle_data_packet_monitor(struct ipw_priv *priv,
                                           struct ipw_rx_mem_buffer *rxb,
                                           struct ieee80211_rx_stats *stats)
@@ -7453,15 +7599,7 @@ static void ipw_handle_data_packet_monitor(struct ipw_priv *priv,
        /* Magic struct that slots into the radiotap header -- no reason
         * to build this manually element by element, we can write it much
         * more efficiently than we can parse it. ORDER MATTERS HERE */
-       struct ipw_rt_hdr {
-               struct ieee80211_radiotap_header rt_hdr;
-               u8 rt_flags;    /* radiotap packet flags */
-               u8 rt_rate;     /* rate in 500kb/s */
-               u16 rt_channel; /* channel in mhz */
-               u16 rt_chbitmask;       /* channel bitfield */
-               s8 rt_dbmsignal;        /* signal in dbM, kluged to signed */
-               u8 rt_antenna;  /* antenna number */
-       } *ipw_rt;
+       struct ipw_rt_hdr *ipw_rt;
 
        short len = le16_to_cpu(pkt->u.frame.length);
 
@@ -7515,9 +7653,11 @@ static void ipw_handle_data_packet_monitor(struct ipw_priv *priv,
        /* Big bitfield of all the fields we provide in radiotap */
        ipw_rt->rt_hdr.it_present =
            ((1 << IEEE80211_RADIOTAP_FLAGS) |
+            (1 << IEEE80211_RADIOTAP_TSFT) |
             (1 << IEEE80211_RADIOTAP_RATE) |
             (1 << IEEE80211_RADIOTAP_CHANNEL) |
             (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) |
+            (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) |
             (1 << IEEE80211_RADIOTAP_ANTENNA));
 
        /* Zero the flags, we'll add to them as we go */
@@ -7603,6 +7743,217 @@ static void ipw_handle_data_packet_monitor(struct ipw_priv *priv,
 }
 #endif
 
+#ifdef CONFIG_IPW2200_PROMISCUOUS
+#define ieee80211_is_probe_response(fc) \
+   ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT && \
+    (fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PROBE_RESP )
+
+#define ieee80211_is_management(fc) \
+   ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT)
+
+#define ieee80211_is_control(fc) \
+   ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_CTL)
+
+#define ieee80211_is_data(fc) \
+   ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA)
+
+#define ieee80211_is_assoc_request(fc) \
+   ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_ASSOC_REQ)
+
+#define ieee80211_is_reassoc_request(fc) \
+   ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_REASSOC_REQ)
+
+static void ipw_handle_promiscuous_rx(struct ipw_priv *priv,
+                                     struct ipw_rx_mem_buffer *rxb,
+                                     struct ieee80211_rx_stats *stats)
+{
+       struct ipw_rx_packet *pkt = (struct ipw_rx_packet *)rxb->skb->data;
+       struct ipw_rx_frame *frame = &pkt->u.frame;
+       struct ipw_rt_hdr *ipw_rt;
+
+       /* First cache any information we need before we overwrite
+        * the information provided in the skb from the hardware */
+       struct ieee80211_hdr *hdr;
+       u16 channel = frame->received_channel;
+       u8 phy_flags = frame->antennaAndPhy;
+       s8 signal = frame->rssi_dbm - IPW_RSSI_TO_DBM;
+       s8 noise = frame->noise;
+       u8 rate = frame->rate;
+       short len = le16_to_cpu(pkt->u.frame.length);
+       u64 tsf = 0;
+       struct sk_buff *skb;
+       int hdr_only = 0;
+       u16 filter = priv->prom_priv->filter;
+
+       /* If the filter is set to not include Rx frames then return */
+       if (filter & IPW_PROM_NO_RX)
+               return;
+
+       /* We received data from the HW, so stop the watchdog */
+       priv->prom_net_dev->trans_start = jiffies;
+
+       if (unlikely((len + IPW_RX_FRAME_SIZE) > skb_tailroom(rxb->skb))) {
+               priv->prom_priv->ieee->stats.rx_errors++;
+               IPW_DEBUG_DROP("Corruption detected! Oh no!\n");
+               return;
+       }
+
+       /* We only process data packets if the interface is open */
+       if (unlikely(!netif_running(priv->prom_net_dev))) {
+               priv->prom_priv->ieee->stats.rx_dropped++;
+               IPW_DEBUG_DROP("Dropping packet while interface is not up.\n");
+               return;
+       }
+
+       /* Libpcap 0.9.3+ can handle variable length radiotap, so we'll use
+        * that now */
+       if (len > IPW_RX_BUF_SIZE - sizeof(struct ipw_rt_hdr)) {
+               /* FIXME: Should alloc bigger skb instead */
+               priv->prom_priv->ieee->stats.rx_dropped++;
+               IPW_DEBUG_DROP("Dropping too large packet in monitor\n");
+               return;
+       }
+
+       hdr = (void *)rxb->skb->data + IPW_RX_FRAME_SIZE;
+       if (ieee80211_is_management(hdr->frame_ctl)) {
+               if (filter & IPW_PROM_NO_MGMT)
+                       return;
+               if (filter & IPW_PROM_MGMT_HEADER_ONLY)
+                       hdr_only = 1;
+       } else if (ieee80211_is_control(hdr->frame_ctl)) {
+               if (filter & IPW_PROM_NO_CTL)
+                       return;
+               if (filter & IPW_PROM_CTL_HEADER_ONLY)
+                       hdr_only = 1;
+       } else if (ieee80211_is_data(hdr->frame_ctl)) {
+               if (filter & IPW_PROM_NO_DATA)
+                       return;
+               if (filter & IPW_PROM_DATA_HEADER_ONLY)
+                       hdr_only = 1;
+       }
+
+       /* Copy the SKB since this is for the promiscuous side */
+       skb = skb_copy(rxb->skb, GFP_ATOMIC);
+       if (skb == NULL) {
+               IPW_ERROR("skb_clone failed for promiscuous copy.\n");
+               return;
+       }
+
+       /* copy the frame data to write after where the radiotap header goes */
+       ipw_rt = (void *)skb->data;
+
+       if (hdr_only)
+               len = ieee80211_get_hdrlen(hdr->frame_ctl);
+
+       memcpy(ipw_rt->payload, hdr, len);
+
+       /* Zero the radiotap static buffer  ...  We only need to zero the bytes
+        * NOT part of our real header, saves a little time.
+        *
+        * No longer necessary since we fill in all our data.  Purge before
+        * merging patch officially.
+        * memset(rxb->skb->data + sizeof(struct ipw_rt_hdr), 0,
+        *        IEEE80211_RADIOTAP_HDRLEN - sizeof(struct ipw_rt_hdr));
+        */
+
+       ipw_rt->rt_hdr.it_version = PKTHDR_RADIOTAP_VERSION;
+       ipw_rt->rt_hdr.it_pad = 0;      /* always good to zero */
+       ipw_rt->rt_hdr.it_len = sizeof(*ipw_rt);        /* total header+data */
+
+       /* Set the size of the skb to the size of the frame */
+       skb_put(skb, ipw_rt->rt_hdr.it_len + len);
+
+       /* Big bitfield of all the fields we provide in radiotap */
+       ipw_rt->rt_hdr.it_present =
+           ((1 << IEEE80211_RADIOTAP_FLAGS) |
+            (1 << IEEE80211_RADIOTAP_TSFT) |
+            (1 << IEEE80211_RADIOTAP_RATE) |
+            (1 << IEEE80211_RADIOTAP_CHANNEL) |
+            (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) |
+            (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) |
+            (1 << IEEE80211_RADIOTAP_ANTENNA));
+
+       /* Zero the flags, we'll add to them as we go */
+       ipw_rt->rt_flags = 0;
+
+       ipw_rt->rt_tsf = tsf;
+
+       /* Convert to DBM */
+       ipw_rt->rt_dbmsignal = signal;
+       ipw_rt->rt_dbmnoise = noise;
+
+       /* Convert the channel data and set the flags */
+       ipw_rt->rt_channel = cpu_to_le16(ieee80211chan2mhz(channel));
+       if (channel > 14) {     /* 802.11a */
+               ipw_rt->rt_chbitmask =
+                   cpu_to_le16((IEEE80211_CHAN_OFDM | IEEE80211_CHAN_5GHZ));
+       } else if (phy_flags & (1 << 5)) {      /* 802.11b */
+               ipw_rt->rt_chbitmask =
+                   cpu_to_le16((IEEE80211_CHAN_CCK | IEEE80211_CHAN_2GHZ));
+       } else {                /* 802.11g */
+               ipw_rt->rt_chbitmask =
+                   (IEEE80211_CHAN_OFDM | IEEE80211_CHAN_2GHZ);
+       }
+
+       /* set the rate in multiples of 500k/s */
+       switch (rate) {
+       case IPW_TX_RATE_1MB:
+               ipw_rt->rt_rate = 2;
+               break;
+       case IPW_TX_RATE_2MB:
+               ipw_rt->rt_rate = 4;
+               break;
+       case IPW_TX_RATE_5MB:
+               ipw_rt->rt_rate = 10;
+               break;
+       case IPW_TX_RATE_6MB:
+               ipw_rt->rt_rate = 12;
+               break;
+       case IPW_TX_RATE_9MB:
+               ipw_rt->rt_rate = 18;
+               break;
+       case IPW_TX_RATE_11MB:
+               ipw_rt->rt_rate = 22;
+               break;
+       case IPW_TX_RATE_12MB:
+               ipw_rt->rt_rate = 24;
+               break;
+       case IPW_TX_RATE_18MB:
+               ipw_rt->rt_rate = 36;
+               break;
+       case IPW_TX_RATE_24MB:
+               ipw_rt->rt_rate = 48;
+               break;
+       case IPW_TX_RATE_36MB:
+               ipw_rt->rt_rate = 72;
+               break;
+       case IPW_TX_RATE_48MB:
+               ipw_rt->rt_rate = 96;
+               break;
+       case IPW_TX_RATE_54MB:
+               ipw_rt->rt_rate = 108;
+               break;
+       default:
+               ipw_rt->rt_rate = 0;
+               break;
+       }
+
+       /* antenna number */
+       ipw_rt->rt_antenna = (phy_flags & 3);
+
+       /* set the preamble flag if we have it */
+       if (phy_flags & (1 << 6))
+               ipw_rt->rt_flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
+
+       IPW_DEBUG_RX("Rx packet of %d bytes.\n", skb->len);
+
+       if (!ieee80211_rx(priv->prom_priv->ieee, skb, stats)) {
+               priv->prom_priv->ieee->stats.rx_errors++;
+               dev_kfree_skb_any(skb);
+       }
+}
+#endif
+
 static int is_network_packet(struct ipw_priv *priv,
                                    struct ieee80211_hdr_4addr *header)
 {
@@ -7829,15 +8180,21 @@ static void ipw_rx(struct ipw_priv *priv)
 
                                priv->rx_packets++;
 
+#ifdef CONFIG_IPW2200_PROMISCUOUS
+       if (priv->prom_net_dev && netif_running(priv->prom_net_dev))
+               ipw_handle_promiscuous_rx(priv, rxb, &stats);
+#endif
+
 #ifdef CONFIG_IPW2200_MONITOR
                                if (priv->ieee->iw_mode == IW_MODE_MONITOR) {
-#ifdef CONFIG_IEEE80211_RADIOTAP
-                                       ipw_handle_data_packet_monitor(priv,
-                                                                      rxb,
-                                                                      &stats);
+#ifdef CONFIG_IPW2200_RADIOTAP
+
+                ipw_handle_data_packet_monitor(priv,
+                                              rxb,
+                                              &stats);
 #else
-                                       ipw_handle_data_packet(priv, rxb,
-                                                              &stats);
+               ipw_handle_data_packet(priv, rxb,
+                                      &stats);
 #endif
                                        break;
                                }
@@ -8003,10 +8360,10 @@ static int ipw_sw_reset(struct ipw_priv *priv, int option)
                IPW_DEBUG_INFO("Bind to static channel %d\n", channel);
                /* TODO: Validate that provided channel is in range */
        }
-#ifdef CONFIG_IPW_QOS
+#ifdef CONFIG_IPW2200_QOS
        ipw_qos_init(priv, qos_enable, qos_burst_enable,
                     burst_duration_CCK, burst_duration_OFDM);
-#endif                         /* CONFIG_IPW_QOS */
+#endif                         /* CONFIG_IPW2200_QOS */
 
        switch (mode) {
        case 1:
@@ -8017,7 +8374,7 @@ static int ipw_sw_reset(struct ipw_priv *priv, int option)
 #ifdef CONFIG_IPW2200_MONITOR
        case 2:
                priv->ieee->iw_mode = IW_MODE_MONITOR;
-#ifdef CONFIG_IEEE80211_RADIOTAP
+#ifdef CONFIG_IPW2200_RADIOTAP
                priv->net_dev->type = ARPHRD_IEEE80211_RADIOTAP;
 #else
                priv->net_dev->type = ARPHRD_IEEE80211;
@@ -8272,7 +8629,7 @@ static int ipw_wx_set_mode(struct net_device *dev,
                priv->net_dev->type = ARPHRD_ETHER;
 
        if (wrqu->mode == IW_MODE_MONITOR)
-#ifdef CONFIG_IEEE80211_RADIOTAP
+#ifdef CONFIG_IPW2200_RADIOTAP
                priv->net_dev->type = ARPHRD_IEEE80211_RADIOTAP;
 #else
                priv->net_dev->type = ARPHRD_IEEE80211;
@@ -9374,7 +9731,7 @@ static int ipw_wx_set_monitor(struct net_device *dev,
        IPW_DEBUG_WX("SET MONITOR: %d %d\n", enable, parms[1]);
        if (enable) {
                if (priv->ieee->iw_mode != IW_MODE_MONITOR) {
-#ifdef CONFIG_IEEE80211_RADIOTAP
+#ifdef CONFIG_IPW2200_RADIOTAP
                        priv->net_dev->type = ARPHRD_IEEE80211_RADIOTAP;
 #else
                        priv->net_dev->type = ARPHRD_IEEE80211;
@@ -9676,7 +10033,7 @@ static int ipw_tx_skb(struct ipw_priv *priv, struct ieee80211_txb *txb,
            txb->fragments[0]->data;
        int i = 0;
        struct tfd_frame *tfd;
-#ifdef CONFIG_IPW_QOS
+#ifdef CONFIG_IPW2200_QOS
        int tx_id = ipw_get_tx_queue_number(priv, pri);
        struct clx2_tx_queue *txq = &priv->txq[tx_id];
 #else
@@ -9783,10 +10140,10 @@ static int ipw_tx_skb(struct ipw_priv *priv, struct ieee80211_txb *txb,
                /* No hardware encryption */
                tfd->u.data.tx_flags |= DCT_FLAG_NO_WEP;
 
-#ifdef CONFIG_IPW_QOS
+#ifdef CONFIG_IPW2200_QOS
        if (fc & IEEE80211_STYPE_QOS_DATA)
                ipw_qos_set_tx_queue_command(priv, pri, &(tfd->u.data));
-#endif                         /* CONFIG_IPW_QOS */
+#endif                         /* CONFIG_IPW2200_QOS */
 
        /* payload */
        tfd->u.data.num_chunks = cpu_to_le32(min((u8) (NUM_TFD_CHUNKS - 2),
@@ -9866,12 +10223,12 @@ static int ipw_tx_skb(struct ipw_priv *priv, struct ieee80211_txb *txb,
 static int ipw_net_is_queue_full(struct net_device *dev, int pri)
 {
        struct ipw_priv *priv = ieee80211_priv(dev);
-#ifdef CONFIG_IPW_QOS
+#ifdef CONFIG_IPW2200_QOS
        int tx_id = ipw_get_tx_queue_number(priv, pri);
        struct clx2_tx_queue *txq = &priv->txq[tx_id];
 #else
        struct clx2_tx_queue *txq = &priv->txq[0];
-#endif                         /* CONFIG_IPW_QOS */
+#endif                         /* CONFIG_IPW2200_QOS */
 
        if (ipw_queue_space(&txq->q) < txq->q.high_mark)
                return 1;
@@ -9879,6 +10236,88 @@ static int ipw_net_is_queue_full(struct net_device *dev, int pri)
        return 0;
 }
 
+#ifdef CONFIG_IPW2200_PROMISCUOUS
+static void ipw_handle_promiscuous_tx(struct ipw_priv *priv,
+                                     struct ieee80211_txb *txb)
+{
+       struct ieee80211_rx_stats dummystats;
+       struct ieee80211_hdr *hdr;
+       u8 n;
+       u16 filter = priv->prom_priv->filter;
+       int hdr_only = 0;
+
+       if (filter & IPW_PROM_NO_TX)
+               return;
+
+       memset(&dummystats, 0, sizeof(dummystats));
+
+       /* Filtering of fragment chains is done agains the first fragment */
+       hdr = (void *)txb->fragments[0]->data;
+       if (ieee80211_is_management(hdr->frame_ctl)) {
+               if (filter & IPW_PROM_NO_MGMT)
+                       return;
+               if (filter & IPW_PROM_MGMT_HEADER_ONLY)
+                       hdr_only = 1;
+       } else if (ieee80211_is_control(hdr->frame_ctl)) {
+               if (filter & IPW_PROM_NO_CTL)
+                       return;
+               if (filter & IPW_PROM_CTL_HEADER_ONLY)
+                       hdr_only = 1;
+       } else if (ieee80211_is_data(hdr->frame_ctl)) {
+               if (filter & IPW_PROM_NO_DATA)
+                       return;
+               if (filter & IPW_PROM_DATA_HEADER_ONLY)
+                       hdr_only = 1;
+       }
+
+       for(n=0; n<txb->nr_frags; ++n) {
+               struct sk_buff *src = txb->fragments[n];
+               struct sk_buff *dst;
+               struct ieee80211_radiotap_header *rt_hdr;
+               int len;
+
+               if (hdr_only) {
+                       hdr = (void *)src->data;
+                       len = ieee80211_get_hdrlen(hdr->frame_ctl);
+               } else
+                       len = src->len;
+
+               dst = alloc_skb(
+                       len + IEEE80211_RADIOTAP_HDRLEN, GFP_ATOMIC);
+               if (!dst) continue;
+
+               rt_hdr = (void *)skb_put(dst, sizeof(*rt_hdr));
+
+               rt_hdr->it_version = PKTHDR_RADIOTAP_VERSION;
+               rt_hdr->it_pad = 0;
+               rt_hdr->it_present = 0; /* after all, it's just an idea */
+               rt_hdr->it_present |=  (1 << IEEE80211_RADIOTAP_CHANNEL);
+
+               *(u16*)skb_put(dst, sizeof(u16)) = cpu_to_le16(
+                       ieee80211chan2mhz(priv->channel));
+               if (priv->channel > 14)         /* 802.11a */
+                       *(u16*)skb_put(dst, sizeof(u16)) =
+                               cpu_to_le16(IEEE80211_CHAN_OFDM |
+                                            IEEE80211_CHAN_5GHZ);
+               else if (priv->ieee->mode == IEEE_B) /* 802.11b */
+                       *(u16*)skb_put(dst, sizeof(u16)) =
+                               cpu_to_le16(IEEE80211_CHAN_CCK |
+                                            IEEE80211_CHAN_2GHZ);
+               else            /* 802.11g */
+                       *(u16*)skb_put(dst, sizeof(u16)) =
+                               cpu_to_le16(IEEE80211_CHAN_OFDM |
+                                IEEE80211_CHAN_2GHZ);
+
+               rt_hdr->it_len = dst->len;
+
+               memcpy(skb_put(dst, len), src->data, len);
+
+               if (!ieee80211_rx(priv->prom_priv->ieee, dst, &dummystats))
+                       dev_kfree_skb_any(dst);
+       }
+}
+#endif
+
 static int ipw_net_hard_start_xmit(struct ieee80211_txb *txb,
                                   struct net_device *dev, int pri)
 {
@@ -9896,6 +10335,11 @@ static int ipw_net_hard_start_xmit(struct ieee80211_txb *txb,
                goto fail_unlock;
        }
 
+#ifdef CONFIG_IPW2200_PROMISCUOUS
+       if (rtap_iface && netif_running(priv->prom_net_dev))
+               ipw_handle_promiscuous_tx(priv, txb);
+#endif
+
        ret = ipw_tx_skb(priv, txb, pri);
        if (ret == NETDEV_TX_OK)
                __ipw_led_activity_on(priv);
@@ -10194,10 +10638,10 @@ static int ipw_setup_deferred_work(struct ipw_priv *priv)
        INIT_WORK(&priv->merge_networks,
                  (void (*)(void *))ipw_merge_adhoc_network, priv);
 
-#ifdef CONFIG_IPW_QOS
+#ifdef CONFIG_IPW2200_QOS
        INIT_WORK(&priv->qos_activate, (void (*)(void *))ipw_bg_qos_activate,
                  priv);
-#endif                         /* CONFIG_IPW_QOS */
+#endif                         /* CONFIG_IPW2200_QOS */
 
        tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long))
                     ipw_irq_tasklet, (unsigned long)priv);
@@ -10343,12 +10787,21 @@ static int ipw_config(struct ipw_priv *priv)
                            |= CFG_BT_COEXISTENCE_OOB;
        }
 
+#ifdef CONFIG_IPW2200_PROMISCUOUS
+       if (priv->prom_net_dev && netif_running(priv->prom_net_dev)) {
+               priv->sys_config.accept_all_data_frames = 1;
+               priv->sys_config.accept_non_directed_frames = 1;
+               priv->sys_config.accept_all_mgmt_bcpr = 1;
+               priv->sys_config.accept_all_mgmt_frames = 1;
+       }
+#endif
+
        if (priv->ieee->iw_mode == IW_MODE_ADHOC)
                priv->sys_config.answer_broadcast_ssid_probe = 1;
        else
                priv->sys_config.answer_broadcast_ssid_probe = 0;
 
-       if (ipw_send_system_config(priv, &priv->sys_config))
+       if (ipw_send_system_config(priv))
                goto error;
 
        init_supported_rates(priv, &priv->rates);
@@ -10360,10 +10813,10 @@ static int ipw_config(struct ipw_priv *priv)
                if (ipw_send_rts_threshold(priv, priv->rts_threshold))
                        goto error;
        }
-#ifdef CONFIG_IPW_QOS
+#ifdef CONFIG_IPW2200_QOS
        IPW_DEBUG_QOS("QoS: call ipw_qos_activate\n");
        ipw_qos_activate(priv, NULL);
-#endif                         /* CONFIG_IPW_QOS */
+#endif                         /* CONFIG_IPW2200_QOS */
 
        if (ipw_set_random_seed(priv))
                goto error;
@@ -10886,6 +11339,10 @@ static struct attribute *ipw_sysfs_entries[] = {
        &dev_attr_led.attr,
        &dev_attr_speed_scan.attr,
        &dev_attr_net_stats.attr,
+#ifdef CONFIG_IPW2200_PROMISCUOUS
+       &dev_attr_rtap_iface.attr,
+       &dev_attr_rtap_filter.attr,
+#endif
        NULL
 };
 
@@ -10894,6 +11351,109 @@ static struct attribute_group ipw_attribute_group = {
        .attrs = ipw_sysfs_entries,
 };
 
+#ifdef CONFIG_IPW2200_PROMISCUOUS
+static int ipw_prom_open(struct net_device *dev)
+{
+       struct ipw_prom_priv *prom_priv = ieee80211_priv(dev);
+       struct ipw_priv *priv = prom_priv->priv;
+
+       IPW_DEBUG_INFO("prom dev->open\n");
+       netif_carrier_off(dev);
+       netif_stop_queue(dev);
+
+       if (priv->ieee->iw_mode != IW_MODE_MONITOR) {
+               priv->sys_config.accept_all_data_frames = 1;
+               priv->sys_config.accept_non_directed_frames = 1;
+               priv->sys_config.accept_all_mgmt_bcpr = 1;
+               priv->sys_config.accept_all_mgmt_frames = 1;
+
+               ipw_send_system_config(priv);
+       }
+
+       return 0;
+}
+
+static int ipw_prom_stop(struct net_device *dev)
+{
+       struct ipw_prom_priv *prom_priv = ieee80211_priv(dev);
+       struct ipw_priv *priv = prom_priv->priv;
+
+       IPW_DEBUG_INFO("prom dev->stop\n");
+
+       if (priv->ieee->iw_mode != IW_MODE_MONITOR) {
+               priv->sys_config.accept_all_data_frames = 0;
+               priv->sys_config.accept_non_directed_frames = 0;
+               priv->sys_config.accept_all_mgmt_bcpr = 0;
+               priv->sys_config.accept_all_mgmt_frames = 0;
+
+               ipw_send_system_config(priv);
+       }
+
+       return 0;
+}
+
+static int ipw_prom_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+       IPW_DEBUG_INFO("prom dev->xmit\n");
+       netif_stop_queue(dev);
+       return -EOPNOTSUPP;
+}
+
+static struct net_device_stats *ipw_prom_get_stats(struct net_device *dev)
+{
+       struct ipw_prom_priv *prom_priv = ieee80211_priv(dev);
+       return &prom_priv->ieee->stats;
+}
+
+static int ipw_prom_alloc(struct ipw_priv *priv)
+{
+       int rc = 0;
+
+       if (priv->prom_net_dev)
+               return -EPERM;
+
+       priv->prom_net_dev = alloc_ieee80211(sizeof(struct ipw_prom_priv));
+       if (priv->prom_net_dev == NULL)
+               return -ENOMEM;
+
+       priv->prom_priv = ieee80211_priv(priv->prom_net_dev);
+       priv->prom_priv->ieee = netdev_priv(priv->prom_net_dev);
+       priv->prom_priv->priv = priv;
+
+       strcpy(priv->prom_net_dev->name, "rtap%d");
+
+       priv->prom_net_dev->type = ARPHRD_IEEE80211_RADIOTAP;
+       priv->prom_net_dev->open = ipw_prom_open;
+       priv->prom_net_dev->stop = ipw_prom_stop;
+       priv->prom_net_dev->get_stats = ipw_prom_get_stats;
+       priv->prom_net_dev->hard_start_xmit = ipw_prom_hard_start_xmit;
+
+       priv->prom_priv->ieee->iw_mode = IW_MODE_MONITOR;
+
+       rc = register_netdev(priv->prom_net_dev);
+       if (rc) {
+               free_ieee80211(priv->prom_net_dev);
+               priv->prom_net_dev = NULL;
+               return rc;
+       }
+
+       return 0;
+}
+
+static void ipw_prom_free(struct ipw_priv *priv)
+{
+       if (!priv->prom_net_dev)
+               return;
+
+       unregister_netdev(priv->prom_net_dev);
+       free_ieee80211(priv->prom_net_dev);
+
+       priv->prom_net_dev = NULL;
+}
+
+#endif
+
+
 static int ipw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
        int err = 0;
@@ -10985,12 +11545,12 @@ static int ipw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
        priv->ieee->set_security = shim__set_security;
        priv->ieee->is_queue_full = ipw_net_is_queue_full;
 
-#ifdef CONFIG_IPW_QOS
+#ifdef CONFIG_IPW2200_QOS
        priv->ieee->is_qos_active = ipw_is_qos_active;
        priv->ieee->handle_probe_response = ipw_handle_beacon;
        priv->ieee->handle_beacon = ipw_handle_probe_response;
        priv->ieee->handle_assoc_response = ipw_handle_assoc_response;
-#endif                         /* CONFIG_IPW_QOS */
+#endif                         /* CONFIG_IPW2200_QOS */
 
        priv->ieee->perfect_rssi = -20;
        priv->ieee->worst_rssi = -85;
@@ -11024,6 +11584,18 @@ static int ipw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                goto out_remove_sysfs;
        }
 
+#ifdef CONFIG_IPW2200_PROMISCUOUS
+       if (rtap_iface) {
+               err = ipw_prom_alloc(priv);
+               if (err) {
+                       IPW_ERROR("Failed to register promiscuous network "
+                                 "device (error %d).\n", err);
+                       unregister_netdev(priv->net_dev);
+                       goto out_remove_sysfs;
+               }
+       }
+#endif
+
        printk(KERN_INFO DRV_NAME ": Detected geography %s (%d 802.11bg "
               "channels, %d 802.11a channels)\n",
               priv->ieee->geo.name, priv->ieee->geo.bg_channels,
@@ -11103,6 +11675,10 @@ static void ipw_pci_remove(struct pci_dev *pdev)
                priv->error = NULL;
        }
 
+#ifdef CONFIG_IPW2200_PROMISCUOUS
+       ipw_prom_free(priv);
+#endif
+
        free_irq(pdev->irq, priv);
        iounmap(priv->hw_base);
        pci_release_regions(pdev);
@@ -11227,7 +11803,12 @@ MODULE_PARM_DESC(debug, "debug output mask");
 module_param(channel, int, 0444);
 MODULE_PARM_DESC(channel, "channel to limit associate to (default 0 [ANY])");
 
-#ifdef CONFIG_IPW_QOS
+#ifdef CONFIG_IPW2200_PROMISCUOUS
+module_param(rtap_iface, int, 0444);
+MODULE_PARM_DESC(rtap_iface, "create the rtap interface (1 - create, default 0)");
+#endif
+
+#ifdef CONFIG_IPW2200_QOS
 module_param(qos_enable, int, 0444);
 MODULE_PARM_DESC(qos_enable, "enable all QoS functionalitis");
 
@@ -11242,7 +11823,7 @@ MODULE_PARM_DESC(burst_duration_CCK, "set CCK burst value");
 
 module_param(burst_duration_OFDM, int, 0444);
 MODULE_PARM_DESC(burst_duration_OFDM, "set OFDM burst value");
-#endif                         /* CONFIG_IPW_QOS */
+#endif                         /* CONFIG_IPW2200_QOS */
 
 #ifdef CONFIG_IPW2200_MONITOR
 module_param(mode, int, 0444);