[PATCH] ieee80211 Added wireless spy support

Added wireless spy support to Rx code path.

Signed-off-by: James Ketrenos <jketreno@linux.intel.com>

NOTE:  Looks like scripts/Lindent generated output different
than the Lindented version already in-kernel, hence all the
whitespace deltas...  *sigh*
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

5 files changed, 78 insertions, 67 deletions

diff --git a/net/ieee80211/ieee80211_crypt.c b/net/ieee80211/ieee80211_crypt.c
index 61a9d92e455b..dc835f68edd3 100644
--- a/net/ieee80211/ieee80211_crypt.c
+++ b/net/ieee80211/ieee80211_crypt.c
@@ -191,18 +191,18 @@ static void ieee80211_crypt_null_deinit(void *priv)
 }
 
 static struct ieee80211_crypto_ops ieee80211_crypt_null = {
-        .name                   = "NULL",
-        .init                   = ieee80211_crypt_null_init,
-        .deinit                 = ieee80211_crypt_null_deinit,
-        .encrypt_mpdu           = NULL,
-        .decrypt_mpdu           = NULL,
-        .encrypt_msdu           = NULL,
-        .decrypt_msdu           = NULL,
-        .set_key                = NULL,
-        .get_key                = NULL,
-        .extra_prefix_len       = 0,
-        .extra_postfix_len      = 0,
-        .owner                  = THIS_MODULE,
+        .name = "NULL",
+        .init = ieee80211_crypt_null_init,
+        .deinit = ieee80211_crypt_null_deinit,
+        .encrypt_mpdu = NULL,
+        .decrypt_mpdu = NULL,
+        .encrypt_msdu = NULL,
+        .decrypt_msdu = NULL,
+        .set_key = NULL,
+        .get_key = NULL,
+        .extra_prefix_len = 0,
+        .extra_postfix_len = 0,
+        .owner = THIS_MODULE,
 };
 
 static int __init ieee80211_crypto_init(void)
diff --git a/net/ieee80211/ieee80211_crypt_ccmp.c b/net/ieee80211/ieee80211_crypt_ccmp.c
index 8fc13f45971e..7b6290885e7d 100644
--- a/net/ieee80211/ieee80211_crypt_ccmp.c
+++ b/net/ieee80211/ieee80211_crypt_ccmp.c
@@ -426,19 +426,19 @@ static char *ieee80211_ccmp_print_stats(char *p, void *priv)
 }
 
 static struct ieee80211_crypto_ops ieee80211_crypt_ccmp = {
-        .name                   = "CCMP",
-        .init                   = ieee80211_ccmp_init,
-        .deinit                 = ieee80211_ccmp_deinit,
-        .encrypt_mpdu           = ieee80211_ccmp_encrypt,
-        .decrypt_mpdu           = ieee80211_ccmp_decrypt,
-        .encrypt_msdu           = NULL,
-        .decrypt_msdu           = NULL,
-        .set_key                = ieee80211_ccmp_set_key,
-        .get_key                = ieee80211_ccmp_get_key,
-        .print_stats            = ieee80211_ccmp_print_stats,
-        .extra_prefix_len       = CCMP_HDR_LEN,
-        .extra_postfix_len      = CCMP_MIC_LEN,
-        .owner                  = THIS_MODULE,
+        .name = "CCMP",
+        .init = ieee80211_ccmp_init,
+        .deinit = ieee80211_ccmp_deinit,
+        .encrypt_mpdu = ieee80211_ccmp_encrypt,
+        .decrypt_mpdu = ieee80211_ccmp_decrypt,
+        .encrypt_msdu = NULL,
+        .decrypt_msdu = NULL,
+        .set_key = ieee80211_ccmp_set_key,
+        .get_key = ieee80211_ccmp_get_key,
+        .print_stats = ieee80211_ccmp_print_stats,
+        .extra_prefix_len = CCMP_HDR_LEN,
+        .extra_postfix_len = CCMP_MIC_LEN,
+        .owner = THIS_MODULE,
 };
 
 static int __init ieee80211_crypto_ccmp_init(void)
diff --git a/net/ieee80211/ieee80211_crypt_tkip.c b/net/ieee80211/ieee80211_crypt_tkip.c
index d4f9164be1a1..dca380e57454 100644
--- a/net/ieee80211/ieee80211_crypt_tkip.c
+++ b/net/ieee80211/ieee80211_crypt_tkip.c
@@ -654,19 +654,19 @@ static char *ieee80211_tkip_print_stats(char *p, void *priv)
 }
 
 static struct ieee80211_crypto_ops ieee80211_crypt_tkip = {
-        .name                   = "TKIP",
-        .init                   = ieee80211_tkip_init,
-        .deinit                 = ieee80211_tkip_deinit,
-        .encrypt_mpdu           = ieee80211_tkip_encrypt,
-        .decrypt_mpdu           = ieee80211_tkip_decrypt,
-        .encrypt_msdu           = ieee80211_michael_mic_add,
-        .decrypt_msdu           = ieee80211_michael_mic_verify,
-        .set_key                = ieee80211_tkip_set_key,
-        .get_key                = ieee80211_tkip_get_key,
-        .print_stats            = ieee80211_tkip_print_stats,
-        .extra_prefix_len       = 4 + 4,        /* IV + ExtIV */
-        .extra_postfix_len      = 8 + 4,        /* MIC + ICV */
-        .owner                  = THIS_MODULE,
+        .name = "TKIP",
+        .init = ieee80211_tkip_init,
+        .deinit = ieee80211_tkip_deinit,
+        .encrypt_mpdu = ieee80211_tkip_encrypt,
+        .decrypt_mpdu = ieee80211_tkip_decrypt,
+        .encrypt_msdu = ieee80211_michael_mic_add,
+        .decrypt_msdu = ieee80211_michael_mic_verify,
+        .set_key = ieee80211_tkip_set_key,
+        .get_key = ieee80211_tkip_get_key,
+        .print_stats = ieee80211_tkip_print_stats,
+        .extra_prefix_len = 4 + 4,      /* IV + ExtIV */
+        .extra_postfix_len = 8 + 4,     /* MIC + ICV */
+        .owner = THIS_MODULE,
 };
 
 static int __init ieee80211_crypto_tkip_init(void)
diff --git a/net/ieee80211/ieee80211_crypt_wep.c b/net/ieee80211/ieee80211_crypt_wep.c
index b4d2514a0902..ebe16155e792 100644
--- a/net/ieee80211/ieee80211_crypt_wep.c
+++ b/net/ieee80211/ieee80211_crypt_wep.c
@@ -229,19 +229,19 @@ static char *prism2_wep_print_stats(char *p, void *priv)
 }
 
 static struct ieee80211_crypto_ops ieee80211_crypt_wep = {
-        .name                   = "WEP",
-        .init                   = prism2_wep_init,
-        .deinit                 = prism2_wep_deinit,
-        .encrypt_mpdu           = prism2_wep_encrypt,
-        .decrypt_mpdu           = prism2_wep_decrypt,
-        .encrypt_msdu           = NULL,
-        .decrypt_msdu           = NULL,
-        .set_key                = prism2_wep_set_key,
-        .get_key                = prism2_wep_get_key,
-        .print_stats            = prism2_wep_print_stats,
-        .extra_prefix_len       = 4,    /* IV */
-        .extra_postfix_len      = 4,    /* ICV */
-        .owner                  = THIS_MODULE,
+        .name = "WEP",
+        .init = prism2_wep_init,
+        .deinit = prism2_wep_deinit,
+        .encrypt_mpdu = prism2_wep_encrypt,
+        .decrypt_mpdu = prism2_wep_decrypt,
+        .encrypt_msdu = NULL,
+        .decrypt_msdu = NULL,
+        .set_key = prism2_wep_set_key,
+        .get_key = prism2_wep_get_key,
+        .print_stats = prism2_wep_print_stats,
+        .extra_prefix_len = 4,  /* IV */
+        .extra_postfix_len = 4, /* ICV */
+        .owner = THIS_MODULE,
 };
 
 static int __init ieee80211_crypto_wep_init(void)
diff --git a/net/ieee80211/ieee80211_rx.c b/net/ieee80211/ieee80211_rx.c
index 74c4ed77cfd9..6bbaa44a0d03 100644
--- a/net/ieee80211/ieee80211_rx.c
+++ b/net/ieee80211/ieee80211_rx.c
@@ -378,33 +378,47 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
         frag = WLAN_GET_SEQ_FRAG(sc);
         hdrlen = ieee80211_get_hdrlen(fc);
 
-#ifdef NOT_YET
-#if WIRELESS_EXT > 15
         /* Put this code here so that we avoid duplicating it in all
          * Rx paths. - Jean II */
 #ifdef IW_WIRELESS_SPY          /* defined in iw_handler.h */
         /* If spy monitoring on */
-        if (iface->spy_data.spy_number > 0) {
+        if (ieee->spy_data.spy_number > 0) {
                 struct iw_quality wstats;
-                wstats.level = rx_stats->signal;
-                wstats.noise = rx_stats->noise;
-                wstats.updated = 6;     /* No qual value */
+
+                wstats.updated = 0;
+                if (rx_stats->mask & IEEE80211_STATMASK_RSSI) {
+                        wstats.level = rx_stats->rssi;
+                        wstats.updated |= IW_QUAL_LEVEL_UPDATED;
+                } else
+                        wstats.updated |= IW_QUAL_LEVEL_INVALID;
+
+                if (rx_stats->mask & IEEE80211_STATMASK_NOISE) {
+                        wstats.noise = rx_stats->noise;
+                        wstats.updated |= IW_QUAL_NOISE_UPDATED;
+                } else
+                        wstats.updated |= IW_QUAL_NOISE_INVALID;
+
+                if (rx_stats->mask & IEEE80211_STATMASK_SIGNAL) {
+                        wstats.qual = rx_stats->signal;
+                        wstats.updated |= IW_QUAL_QUAL_UPDATED;
+                } else
+                        wstats.updated |= IW_QUAL_QUAL_INVALID;
+
                 /* Update spy records */
-                wireless_spy_update(dev, hdr->addr2, &wstats);
+                wireless_spy_update(ieee->dev, hdr->addr2, &wstats);
         }
 #endif                          /* IW_WIRELESS_SPY */
-#endif                          /* WIRELESS_EXT > 15 */
+
+#ifdef NOT_YET
         hostap_update_rx_stats(local->ap, hdr, rx_stats);
 #endif
 
-#if WIRELESS_EXT > 15
         if (ieee->iw_mode == IW_MODE_MONITOR) {
                 ieee80211_monitor_rx(ieee, skb, rx_stats);
                 stats->rx_packets++;
                 stats->rx_bytes += skb->len;
                 return 1;
         }
-#endif
 
         if (ieee->host_decrypt) {
                 int idx = 0;
@@ -771,8 +785,7 @@ static inline int ieee80211_is_ofdm_rate(u8 rate)
         return 0;
 }
 
-static inline int ieee80211_network_init(struct ieee80211_device *ieee,
-                                         struct ieee80211_probe_response
+static inline int ieee80211_network_init(struct ieee80211_device *ieee, struct ieee80211_probe_response
                                          *beacon,
                                          struct ieee80211_network *network,
                                          struct ieee80211_rx_stats *stats)
@@ -1028,11 +1041,9 @@ static inline void update_network(struct ieee80211_network *dst,
 }
 
 static inline void ieee80211_process_probe_response(struct ieee80211_device
-                                                    *ieee,
-                                                    struct
+                                                    *ieee, struct
                                                     ieee80211_probe_response
-                                                    *beacon,
-                                                    struct ieee80211_rx_stats
+                                                    *beacon, struct ieee80211_rx_stats
                                                     *stats)
 {
         struct ieee80211_network network;