libertas: move association code from scan.c into assoc.c
authorHolger Schurig <hs4233@mail.mn-solutions.de>
Wed, 2 Apr 2008 14:27:42 +0000 (16:27 +0200)
committerJohn W. Linville <linville@tuxdriver.com>
Tue, 8 Apr 2008 20:44:40 +0000 (16:44 -0400)
Besides code moving, I did the following changes:

* made some functions static
* removed some unneeded #include's
* made patch checkpatch.pl clean

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/libertas/assoc.c
drivers/net/wireless/libertas/dev.h
drivers/net/wireless/libertas/main.c
drivers/net/wireless/libertas/scan.c
drivers/net/wireless/libertas/scan.h
drivers/net/wireless/libertas/wext.c

index e794e93a2297e6376d48836c6a0cc8ae8a7e1708..319b4f931a62e021afa154275a2e3a3fcb487ead 100644 (file)
@@ -5,6 +5,7 @@
 #include "assoc.h"
 #include "decl.h"
 #include "host.h"
+#include "scan.h"
 #include "cmd.h"
 
 
@@ -170,6 +171,272 @@ int lbs_stop_adhoc_network(struct lbs_private *priv)
                                     0, CMD_OPTION_WAITFORRSP, 0, NULL);
 }
 
+static inline int match_bss_no_security(struct lbs_802_11_security *secinfo,
+                                       struct bss_descriptor *match_bss)
+{
+       if (!secinfo->wep_enabled  && !secinfo->WPAenabled
+           && !secinfo->WPA2enabled
+           && match_bss->wpa_ie[0] != MFIE_TYPE_GENERIC
+           && match_bss->rsn_ie[0] != MFIE_TYPE_RSN
+           && !(match_bss->capability & WLAN_CAPABILITY_PRIVACY))
+               return 1;
+       else
+               return 0;
+}
+
+static inline int match_bss_static_wep(struct lbs_802_11_security *secinfo,
+                                      struct bss_descriptor *match_bss)
+{
+       if (secinfo->wep_enabled && !secinfo->WPAenabled
+           && !secinfo->WPA2enabled
+           && (match_bss->capability & WLAN_CAPABILITY_PRIVACY))
+               return 1;
+       else
+               return 0;
+}
+
+static inline int match_bss_wpa(struct lbs_802_11_security *secinfo,
+                               struct bss_descriptor *match_bss)
+{
+       if (!secinfo->wep_enabled && secinfo->WPAenabled
+           && (match_bss->wpa_ie[0] == MFIE_TYPE_GENERIC)
+           /* privacy bit may NOT be set in some APs like LinkSys WRT54G
+           && (match_bss->capability & WLAN_CAPABILITY_PRIVACY) */
+          )
+               return 1;
+       else
+               return 0;
+}
+
+static inline int match_bss_wpa2(struct lbs_802_11_security *secinfo,
+                                struct bss_descriptor *match_bss)
+{
+       if (!secinfo->wep_enabled && secinfo->WPA2enabled &&
+           (match_bss->rsn_ie[0] == MFIE_TYPE_RSN)
+           /* privacy bit may NOT be set in some APs like LinkSys WRT54G
+           (match_bss->capability & WLAN_CAPABILITY_PRIVACY) */
+          )
+               return 1;
+       else
+               return 0;
+}
+
+static inline int match_bss_dynamic_wep(struct lbs_802_11_security *secinfo,
+                                       struct bss_descriptor *match_bss)
+{
+       if (!secinfo->wep_enabled && !secinfo->WPAenabled
+           && !secinfo->WPA2enabled
+           && (match_bss->wpa_ie[0] != MFIE_TYPE_GENERIC)
+           && (match_bss->rsn_ie[0] != MFIE_TYPE_RSN)
+           && (match_bss->capability & WLAN_CAPABILITY_PRIVACY))
+               return 1;
+       else
+               return 0;
+}
+
+/**
+ *  @brief Check if a scanned network compatible with the driver settings
+ *
+ *   WEP     WPA     WPA2    ad-hoc  encrypt                      Network
+ * enabled enabled  enabled   AES     mode   privacy  WPA  WPA2  Compatible
+ *    0       0        0       0      NONE      0      0    0   yes No security
+ *    1       0        0       0      NONE      1      0    0   yes Static WEP
+ *    0       1        0       0       x        1x     1    x   yes WPA
+ *    0       0        1       0       x        1x     x    1   yes WPA2
+ *    0       0        0       1      NONE      1      0    0   yes Ad-hoc AES
+ *    0       0        0       0     !=NONE     1      0    0   yes Dynamic WEP
+ *
+ *
+ *  @param priv A pointer to struct lbs_private
+ *  @param index   Index in scantable to check against current driver settings
+ *  @param mode    Network mode: Infrastructure or IBSS
+ *
+ *  @return        Index in scantable, or error code if negative
+ */
+static int is_network_compatible(struct lbs_private *priv,
+                                struct bss_descriptor *bss, uint8_t mode)
+{
+       int matched = 0;
+
+       lbs_deb_enter(LBS_DEB_SCAN);
+
+       if (bss->mode != mode)
+               goto done;
+
+       matched = match_bss_no_security(&priv->secinfo, bss);
+       if (matched)
+               goto done;
+       matched = match_bss_static_wep(&priv->secinfo, bss);
+       if (matched)
+               goto done;
+       matched = match_bss_wpa(&priv->secinfo, bss);
+       if (matched) {
+               lbs_deb_scan("is_network_compatible() WPA: wpa_ie 0x%x "
+                            "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s "
+                            "privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0],
+                            priv->secinfo.wep_enabled ? "e" : "d",
+                            priv->secinfo.WPAenabled ? "e" : "d",
+                            priv->secinfo.WPA2enabled ? "e" : "d",
+                            (bss->capability & WLAN_CAPABILITY_PRIVACY));
+               goto done;
+       }
+       matched = match_bss_wpa2(&priv->secinfo, bss);
+       if (matched) {
+               lbs_deb_scan("is_network_compatible() WPA2: wpa_ie 0x%x "
+                            "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s "
+                            "privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0],
+                            priv->secinfo.wep_enabled ? "e" : "d",
+                            priv->secinfo.WPAenabled ? "e" : "d",
+                            priv->secinfo.WPA2enabled ? "e" : "d",
+                            (bss->capability & WLAN_CAPABILITY_PRIVACY));
+               goto done;
+       }
+       matched = match_bss_dynamic_wep(&priv->secinfo, bss);
+       if (matched) {
+               lbs_deb_scan("is_network_compatible() dynamic WEP: "
+                            "wpa_ie 0x%x wpa2_ie 0x%x privacy 0x%x\n",
+                            bss->wpa_ie[0], bss->rsn_ie[0],
+                            (bss->capability & WLAN_CAPABILITY_PRIVACY));
+               goto done;
+       }
+
+       /* bss security settings don't match those configured on card */
+       lbs_deb_scan("is_network_compatible() FAILED: wpa_ie 0x%x "
+                    "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s privacy 0x%x\n",
+                    bss->wpa_ie[0], bss->rsn_ie[0],
+                    priv->secinfo.wep_enabled ? "e" : "d",
+                    priv->secinfo.WPAenabled ? "e" : "d",
+                    priv->secinfo.WPA2enabled ? "e" : "d",
+                    (bss->capability & WLAN_CAPABILITY_PRIVACY));
+
+done:
+       lbs_deb_leave_args(LBS_DEB_SCAN, "matched: %d", matched);
+       return matched;
+}
+
+/**
+ *  @brief This function finds a specific compatible BSSID in the scan list
+ *
+ *  Used in association code
+ *
+ *  @param priv  A pointer to struct lbs_private
+ *  @param bssid    BSSID to find in the scan list
+ *  @param mode     Network mode: Infrastructure or IBSS
+ *
+ *  @return         index in BSSID list, or error return code (< 0)
+ */
+static struct bss_descriptor *lbs_find_bssid_in_list(struct lbs_private *priv,
+                                             uint8_t *bssid, uint8_t mode)
+{
+       struct bss_descriptor *iter_bss;
+       struct bss_descriptor *found_bss = NULL;
+
+       lbs_deb_enter(LBS_DEB_SCAN);
+
+       if (!bssid)
+               goto out;
+
+       lbs_deb_hex(LBS_DEB_SCAN, "looking for", bssid, ETH_ALEN);
+
+       /* Look through the scan table for a compatible match.  The loop will
+        *   continue past a matched bssid that is not compatible in case there
+        *   is an AP with multiple SSIDs assigned to the same BSSID
+        */
+       mutex_lock(&priv->lock);
+       list_for_each_entry(iter_bss, &priv->network_list, list) {
+               if (compare_ether_addr(iter_bss->bssid, bssid))
+                       continue; /* bssid doesn't match */
+               switch (mode) {
+               case IW_MODE_INFRA:
+               case IW_MODE_ADHOC:
+                       if (!is_network_compatible(priv, iter_bss, mode))
+                               break;
+                       found_bss = iter_bss;
+                       break;
+               default:
+                       found_bss = iter_bss;
+                       break;
+               }
+       }
+       mutex_unlock(&priv->lock);
+
+out:
+       lbs_deb_leave_args(LBS_DEB_SCAN, "found_bss %p", found_bss);
+       return found_bss;
+}
+
+/**
+ *  @brief This function finds ssid in ssid list.
+ *
+ *  Used in association code
+ *
+ *  @param priv  A pointer to struct lbs_private
+ *  @param ssid     SSID to find in the list
+ *  @param bssid    BSSID to qualify the SSID selection (if provided)
+ *  @param mode     Network mode: Infrastructure or IBSS
+ *
+ *  @return         index in BSSID list
+ */
+static struct bss_descriptor *lbs_find_ssid_in_list(struct lbs_private *priv,
+                                            uint8_t *ssid, uint8_t ssid_len,
+                                            uint8_t *bssid, uint8_t mode,
+                                            int channel)
+{
+       u32 bestrssi = 0;
+       struct bss_descriptor *iter_bss = NULL;
+       struct bss_descriptor *found_bss = NULL;
+       struct bss_descriptor *tmp_oldest = NULL;
+
+       lbs_deb_enter(LBS_DEB_SCAN);
+
+       mutex_lock(&priv->lock);
+
+       list_for_each_entry(iter_bss, &priv->network_list, list) {
+               if (!tmp_oldest ||
+                   (iter_bss->last_scanned < tmp_oldest->last_scanned))
+                       tmp_oldest = iter_bss;
+
+               if (lbs_ssid_cmp(iter_bss->ssid, iter_bss->ssid_len,
+                                ssid, ssid_len) != 0)
+                       continue; /* ssid doesn't match */
+               if (bssid && compare_ether_addr(iter_bss->bssid, bssid) != 0)
+                       continue; /* bssid doesn't match */
+               if ((channel > 0) && (iter_bss->channel != channel))
+                       continue; /* channel doesn't match */
+
+               switch (mode) {
+               case IW_MODE_INFRA:
+               case IW_MODE_ADHOC:
+                       if (!is_network_compatible(priv, iter_bss, mode))
+                               break;
+
+                       if (bssid) {
+                               /* Found requested BSSID */
+                               found_bss = iter_bss;
+                               goto out;
+                       }
+
+                       if (SCAN_RSSI(iter_bss->rssi) > bestrssi) {
+                               bestrssi = SCAN_RSSI(iter_bss->rssi);
+                               found_bss = iter_bss;
+                       }
+                       break;
+               case IW_MODE_AUTO:
+               default:
+                       if (SCAN_RSSI(iter_bss->rssi) > bestrssi) {
+                               bestrssi = SCAN_RSSI(iter_bss->rssi);
+                               found_bss = iter_bss;
+                       }
+                       break;
+               }
+       }
+
+out:
+       mutex_unlock(&priv->lock);
+       lbs_deb_leave_args(LBS_DEB_SCAN, "found_bss %p", found_bss);
+       return found_bss;
+}
+
 static int assoc_helper_essid(struct lbs_private *priv,
                               struct assoc_request * assoc_req)
 {
@@ -617,6 +884,91 @@ static int should_stop_adhoc(struct lbs_private *priv,
 }
 
 
+/**
+ *  @brief This function finds the best SSID in the Scan List
+ *
+ *  Search the scan table for the best SSID that also matches the current
+ *   adapter network preference (infrastructure or adhoc)
+ *
+ *  @param priv  A pointer to struct lbs_private
+ *
+ *  @return         index in BSSID list
+ */
+static struct bss_descriptor *lbs_find_best_ssid_in_list(
+       struct lbs_private *priv, uint8_t mode)
+{
+       uint8_t bestrssi = 0;
+       struct bss_descriptor *iter_bss;
+       struct bss_descriptor *best_bss = NULL;
+
+       lbs_deb_enter(LBS_DEB_SCAN);
+
+       mutex_lock(&priv->lock);
+
+       list_for_each_entry(iter_bss, &priv->network_list, list) {
+               switch (mode) {
+               case IW_MODE_INFRA:
+               case IW_MODE_ADHOC:
+                       if (!is_network_compatible(priv, iter_bss, mode))
+                               break;
+                       if (SCAN_RSSI(iter_bss->rssi) <= bestrssi)
+                               break;
+                       bestrssi = SCAN_RSSI(iter_bss->rssi);
+                       best_bss = iter_bss;
+                       break;
+               case IW_MODE_AUTO:
+               default:
+                       if (SCAN_RSSI(iter_bss->rssi) <= bestrssi)
+                               break;
+                       bestrssi = SCAN_RSSI(iter_bss->rssi);
+                       best_bss = iter_bss;
+                       break;
+               }
+       }
+
+       mutex_unlock(&priv->lock);
+       lbs_deb_leave_args(LBS_DEB_SCAN, "best_bss %p", best_bss);
+       return best_bss;
+}
+
+/**
+ *  @brief Find the best AP
+ *
+ *  Used from association worker.
+ *
+ *  @param priv         A pointer to struct lbs_private structure
+ *  @param pSSID        A pointer to AP's ssid
+ *
+ *  @return             0--success, otherwise--fail
+ */
+static int lbs_find_best_network_ssid(struct lbs_private *priv,
+       uint8_t *out_ssid, uint8_t *out_ssid_len, uint8_t preferred_mode,
+       uint8_t *out_mode)
+{
+       int ret = -1;
+       struct bss_descriptor *found;
+
+       lbs_deb_enter(LBS_DEB_SCAN);
+
+       priv->scan_ssid_len = 0;
+       lbs_scan_networks(priv, 1);
+       if (priv->surpriseremoved)
+               goto out;
+
+       found = lbs_find_best_ssid_in_list(priv, preferred_mode);
+       if (found && (found->ssid_len > 0)) {
+               memcpy(out_ssid, &found->ssid, IW_ESSID_MAX_SIZE);
+               *out_ssid_len = found->ssid_len;
+               *out_mode = found->mode;
+               ret = 0;
+       }
+
+out:
+       lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", ret);
+       return ret;
+}
+
+
 void lbs_association_worker(struct work_struct *work)
 {
        struct lbs_private *priv = container_of(work, struct lbs_private,
index 3f3e7f6e68b39cefb91b47bb1f2e9ad7cdb9dd7d..1e6bae80396b1262c15020d4b11a31d949285e9f 100644 (file)
 #include <linux/wireless.h>
 #include <linux/ethtool.h>
 #include <linux/debugfs.h>
+#include <net/ieee80211.h>
 
 #include "defs.h"
-#include "scan.h"
+#include "hostcmd.h"
 
 extern struct ethtool_ops lbs_ethtool_ops;
 
@@ -325,6 +326,44 @@ struct lbs_private {
 
 extern struct cmd_confirm_sleep confirm_sleep;
 
+/**
+ *  @brief Structure used to store information for each beacon/probe response
+ */
+struct bss_descriptor {
+       u8 bssid[ETH_ALEN];
+
+       u8 ssid[IW_ESSID_MAX_SIZE + 1];
+       u8 ssid_len;
+
+       u16 capability;
+       u32 rssi;
+       u32 channel;
+       u16 beaconperiod;
+       u32 atimwindow;
+
+       /* IW_MODE_AUTO, IW_MODE_ADHOC, IW_MODE_INFRA */
+       u8 mode;
+
+       /* zero-terminated array of supported data rates */
+       u8 rates[MAX_RATES + 1];
+
+       unsigned long last_scanned;
+
+       union ieeetypes_phyparamset phyparamset;
+       union IEEEtypes_ssparamset ssparamset;
+
+       struct ieeetypes_countryinfofullset countryinfo;
+
+       u8 wpa_ie[MAX_WPA_IE_LEN];
+       size_t wpa_ie_len;
+       u8 rsn_ie[MAX_WPA_IE_LEN];
+       size_t rsn_ie_len;
+
+       u8 mesh;
+
+       struct list_head list;
+};
+
 /** Association request
  *
  * Encapsulates all the options that describe a specific assocation request
index 15c9cc8bab484a2d526e7798851c2460904dd156..8f11226109747b54383696b88bd7dfe2fff16db6 100644 (file)
@@ -19,6 +19,7 @@
 #include "dev.h"
 #include "wext.h"
 #include "debugfs.h"
+#include "scan.h"
 #include "assoc.h"
 #include "cmd.h"
 
index 1c7003d7de43af39066a54e029063b09ede2b335..e72c97a0d6c1f36bbed6edbf2d50f38e8f57a1a0 100644 (file)
@@ -4,22 +4,13 @@
   * IOCTL handlers as well as command preperation and response routines
   *  for sending scan commands to the firmware.
   */
-#include <linux/ctype.h>
-#include <linux/if.h>
-#include <linux/netdevice.h>
-#include <linux/wireless.h>
 #include <linux/etherdevice.h>
-
-#include <net/ieee80211.h>
-#include <net/iw_handler.h>
-
 #include <asm/unaligned.h>
 
 #include "host.h"
 #include "decl.h"
 #include "dev.h"
 #include "scan.h"
-#include "assoc.h"
 #include "cmd.h"
 
 //! Approximate amount of data needed to pass a scan result back to iwlist
@@ -110,69 +101,6 @@ int lbs_ssid_cmp(uint8_t *ssid1, uint8_t ssid1_len, uint8_t *ssid2,
        return memcmp(ssid1, ssid2, ssid1_len);
 }
 
-static inline int match_bss_no_security(struct lbs_802_11_security *secinfo,
-                                       struct bss_descriptor *match_bss)
-{
-       if (!secinfo->wep_enabled  && !secinfo->WPAenabled
-           && !secinfo->WPA2enabled
-           && match_bss->wpa_ie[0] != MFIE_TYPE_GENERIC
-           && match_bss->rsn_ie[0] != MFIE_TYPE_RSN
-           && !(match_bss->capability & WLAN_CAPABILITY_PRIVACY))
-               return 1;
-       else
-               return 0;
-}
-
-static inline int match_bss_static_wep(struct lbs_802_11_security *secinfo,
-                                      struct bss_descriptor *match_bss)
-{
-       if (secinfo->wep_enabled && !secinfo->WPAenabled
-           && !secinfo->WPA2enabled
-           && (match_bss->capability & WLAN_CAPABILITY_PRIVACY))
-               return 1;
-       else
-               return 0;
-}
-
-static inline int match_bss_wpa(struct lbs_802_11_security *secinfo,
-                               struct bss_descriptor *match_bss)
-{
-       if (!secinfo->wep_enabled && secinfo->WPAenabled
-           && (match_bss->wpa_ie[0] == MFIE_TYPE_GENERIC)
-           /* privacy bit may NOT be set in some APs like LinkSys WRT54G
-           && (match_bss->capability & WLAN_CAPABILITY_PRIVACY) */
-          )
-               return 1;
-       else
-               return 0;
-}
-
-static inline int match_bss_wpa2(struct lbs_802_11_security *secinfo,
-                                struct bss_descriptor *match_bss)
-{
-       if (!secinfo->wep_enabled && secinfo->WPA2enabled
-           && (match_bss->rsn_ie[0] == MFIE_TYPE_RSN)
-           /* privacy bit may NOT be set in some APs like LinkSys WRT54G
-            && (match_bss->capability & WLAN_CAPABILITY_PRIVACY) */
-          )
-               return 1;
-       else
-               return 0;
-}
-
-static inline int match_bss_dynamic_wep(struct lbs_802_11_security *secinfo,
-                                       struct bss_descriptor *match_bss)
-{
-       if (!secinfo->wep_enabled && !secinfo->WPAenabled
-           && !secinfo->WPA2enabled
-           && (match_bss->wpa_ie[0] != MFIE_TYPE_GENERIC)
-           && (match_bss->rsn_ie[0] != MFIE_TYPE_RSN)
-           && (match_bss->capability & WLAN_CAPABILITY_PRIVACY))
-               return 1;
-       else
-               return 0;
-}
-
 static inline int is_same_network(struct bss_descriptor *src,
                                  struct bss_descriptor *dst)
 {
@@ -185,78 +113,6 @@ static inline int is_same_network(struct bss_descriptor *src,
                !memcmp(src->ssid, dst->ssid, src->ssid_len));
 }
 
-/**
- *  @brief Check if a scanned network compatible with the driver settings
- *
- *   WEP     WPA     WPA2    ad-hoc  encrypt                      Network
- * enabled enabled  enabled   AES     mode   privacy  WPA  WPA2  Compatible
- *    0       0        0       0      NONE      0      0    0   yes No security
- *    1       0        0       0      NONE      1      0    0   yes Static WEP
- *    0       1        0       0       x        1x     1    x   yes WPA
- *    0       0        1       0       x        1x     x    1   yes WPA2
- *    0       0        0       1      NONE      1      0    0   yes Ad-hoc AES
- *    0       0        0       0     !=NONE     1      0    0   yes Dynamic WEP
- *
- *
- *  @param priv A pointer to struct lbs_private
- *  @param index   Index in scantable to check against current driver settings
- *  @param mode    Network mode: Infrastructure or IBSS
- *
- *  @return        Index in scantable, or error code if negative
- */
-static int is_network_compatible(struct lbs_private *priv,
-                                struct bss_descriptor *bss, uint8_t mode)
-{
-       int matched = 0;
-
-       lbs_deb_enter(LBS_DEB_SCAN);
-
-       if (bss->mode != mode)
-               goto done;
-
-       if ((matched = match_bss_no_security(&priv->secinfo, bss))) {
-               goto done;
-       } else if ((matched = match_bss_static_wep(&priv->secinfo, bss))) {
-               goto done;
-       } else if ((matched = match_bss_wpa(&priv->secinfo, bss))) {
-               lbs_deb_scan("is_network_compatible() WPA: wpa_ie 0x%x "
-                            "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s "
-                            "privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0],
-                            priv->secinfo.wep_enabled ? "e" : "d",
-                            priv->secinfo.WPAenabled ? "e" : "d",
-                            priv->secinfo.WPA2enabled ? "e" : "d",
-                            (bss->capability & WLAN_CAPABILITY_PRIVACY));
-               goto done;
-       } else if ((matched = match_bss_wpa2(&priv->secinfo, bss))) {
-               lbs_deb_scan("is_network_compatible() WPA2: wpa_ie 0x%x "
-                            "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s "
-                            "privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0],
-                            priv->secinfo.wep_enabled ? "e" : "d",
-                            priv->secinfo.WPAenabled ? "e" : "d",
-                            priv->secinfo.WPA2enabled ? "e" : "d",
-                            (bss->capability & WLAN_CAPABILITY_PRIVACY));
-               goto done;
-       } else if ((matched = match_bss_dynamic_wep(&priv->secinfo, bss))) {
-               lbs_deb_scan("is_network_compatible() dynamic WEP: "
-                            "wpa_ie 0x%x wpa2_ie 0x%x privacy 0x%x\n",
-                            bss->wpa_ie[0], bss->rsn_ie[0],
-                            (bss->capability & WLAN_CAPABILITY_PRIVACY));
-               goto done;
-       }
-
-       /* bss security settings don't match those configured on card */
-       lbs_deb_scan("is_network_compatible() FAILED: wpa_ie 0x%x "
-                    "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s privacy 0x%x\n",
-                    bss->wpa_ie[0], bss->rsn_ie[0],
-                    priv->secinfo.wep_enabled ? "e" : "d",
-                    priv->secinfo.WPAenabled ? "e" : "d",
-                    priv->secinfo.WPA2enabled ? "e" : "d",
-                    (bss->capability & WLAN_CAPABILITY_PRIVACY));
-
-done:
-       lbs_deb_leave_args(LBS_DEB_SCAN, "matched: %d", matched);
-       return matched;
-}
 
 
 
@@ -341,7 +197,6 @@ static int lbs_scan_create_channel_list(struct lbs_private *priv,
        return chanidx;
 }
 
-
 /*
  * Add SSID TLV of the form:
  *
@@ -359,7 +214,6 @@ static int lbs_scan_add_ssid_tlv(struct lbs_private *priv, u8 *tlv)
        return sizeof(ssid_tlv->header) + priv->scan_ssid_len;
 }
 
-
 /*
  * Add CHANLIST TLV of the form
  *
@@ -398,7 +252,6 @@ static int lbs_scan_add_chanlist_tlv(uint8_t *tlv,
        return sizeof(chan_tlv->header) + size;
 }
 
-
 /*
  * Add RATES TLV of the form
  *
@@ -433,7 +286,6 @@ static int lbs_scan_add_rates_tlv(uint8_t *tlv)
        return sizeof(rate_tlv->header) + i;
 }
 
-
 /*
  * Generate the CMD_802_11_SCAN command with the proper tlv
  * for a bunch of channels.
@@ -482,12 +334,9 @@ out:
        return ret;
 }
 
-
 /**
  *  @brief Internal function used to start a scan based on an input config
  *
- *  Also used from debugfs
- *
  *  Use the input user scan configuration information when provided in
  *    order to send the appropriate scan commands to firmware to populate or
  *    update the internal driver scan table
@@ -497,7 +346,7 @@ out:
  *
  *  @return              0 or < 0 if error
  */
-static int lbs_scan_networks(struct lbs_private *priv, int full_scan)
+int lbs_scan_networks(struct lbs_private *priv, int full_scan)
 {
        int ret = -ENOMEM;
        struct chanscanparamset *chan_list;
@@ -627,9 +476,6 @@ out:
        return ret;
 }
 
-
-
-
 void lbs_scan_worker(struct work_struct *work)
 {
        struct lbs_private *priv =
@@ -880,214 +726,6 @@ done:
        return ret;
 }
 
-/**
- *  @brief This function finds a specific compatible BSSID in the scan list
- *
- *  Used in association code
- *
- *  @param priv  A pointer to struct lbs_private
- *  @param bssid    BSSID to find in the scan list
- *  @param mode     Network mode: Infrastructure or IBSS
- *
- *  @return         index in BSSID list, or error return code (< 0)
- */
-struct bss_descriptor *lbs_find_bssid_in_list(struct lbs_private *priv,
-                                             uint8_t *bssid, uint8_t mode)
-{
-       struct bss_descriptor *iter_bss;
-       struct bss_descriptor *found_bss = NULL;
-
-       lbs_deb_enter(LBS_DEB_SCAN);
-
-       if (!bssid)
-               goto out;
-
-       lbs_deb_hex(LBS_DEB_SCAN, "looking for", bssid, ETH_ALEN);
-
-       /* Look through the scan table for a compatible match.  The loop will
-        *   continue past a matched bssid that is not compatible in case there
-        *   is an AP with multiple SSIDs assigned to the same BSSID
-        */
-       mutex_lock(&priv->lock);
-       list_for_each_entry (iter_bss, &priv->network_list, list) {
-               if (compare_ether_addr(iter_bss->bssid, bssid))
-                       continue; /* bssid doesn't match */
-               switch (mode) {
-               case IW_MODE_INFRA:
-               case IW_MODE_ADHOC:
-                       if (!is_network_compatible(priv, iter_bss, mode))
-                               break;
-                       found_bss = iter_bss;
-                       break;
-               default:
-                       found_bss = iter_bss;
-                       break;
-               }
-       }
-       mutex_unlock(&priv->lock);
-
-out:
-       lbs_deb_leave_args(LBS_DEB_SCAN, "found_bss %p", found_bss);
-       return found_bss;
-}
-
-/**
- *  @brief This function finds ssid in ssid list.
- *
- *  Used in association code
- *
- *  @param priv  A pointer to struct lbs_private
- *  @param ssid     SSID to find in the list
- *  @param bssid    BSSID to qualify the SSID selection (if provided)
- *  @param mode     Network mode: Infrastructure or IBSS
- *
- *  @return         index in BSSID list
- */
-struct bss_descriptor *lbs_find_ssid_in_list(struct lbs_private *priv,
-                                            uint8_t *ssid, uint8_t ssid_len,
-                                            uint8_t *bssid, uint8_t mode,
-                                            int channel)
-{
-       u32 bestrssi = 0;
-       struct bss_descriptor * iter_bss = NULL;
-       struct bss_descriptor * found_bss = NULL;
-       struct bss_descriptor * tmp_oldest = NULL;
-
-       lbs_deb_enter(LBS_DEB_SCAN);
-
-       mutex_lock(&priv->lock);
-
-       list_for_each_entry (iter_bss, &priv->network_list, list) {
-               if (   !tmp_oldest
-                   || (iter_bss->last_scanned < tmp_oldest->last_scanned))
-                       tmp_oldest = iter_bss;
-
-               if (lbs_ssid_cmp(iter_bss->ssid, iter_bss->ssid_len,
-                                ssid, ssid_len) != 0)
-                       continue; /* ssid doesn't match */
-               if (bssid && compare_ether_addr(iter_bss->bssid, bssid) != 0)
-                       continue; /* bssid doesn't match */
-               if ((channel > 0) && (iter_bss->channel != channel))
-                       continue; /* channel doesn't match */
-
-               switch (mode) {
-               case IW_MODE_INFRA:
-               case IW_MODE_ADHOC:
-                       if (!is_network_compatible(priv, iter_bss, mode))
-                               break;
-
-                       if (bssid) {
-                               /* Found requested BSSID */
-                               found_bss = iter_bss;
-                               goto out;
-                       }
-
-                       if (SCAN_RSSI(iter_bss->rssi) > bestrssi) {
-                               bestrssi = SCAN_RSSI(iter_bss->rssi);
-                               found_bss = iter_bss;
-                       }
-                       break;
-               case IW_MODE_AUTO:
-               default:
-                       if (SCAN_RSSI(iter_bss->rssi) > bestrssi) {
-                               bestrssi = SCAN_RSSI(iter_bss->rssi);
-                               found_bss = iter_bss;
-                       }
-                       break;
-               }
-       }
-
-out:
-       mutex_unlock(&priv->lock);
-       lbs_deb_leave_args(LBS_DEB_SCAN, "found_bss %p", found_bss);
-       return found_bss;
-}
-
-/**
- *  @brief This function finds the best SSID in the Scan List
- *
- *  Search the scan table for the best SSID that also matches the current
- *   adapter network preference (infrastructure or adhoc)
- *
- *  @param priv  A pointer to struct lbs_private
- *
- *  @return         index in BSSID list
- */
-static struct bss_descriptor *lbs_find_best_ssid_in_list(struct lbs_private *priv,
-                                                        uint8_t mode)
-{
-       uint8_t bestrssi = 0;
-       struct bss_descriptor *iter_bss;
-       struct bss_descriptor *best_bss = NULL;
-
-       lbs_deb_enter(LBS_DEB_SCAN);
-
-       mutex_lock(&priv->lock);
-
-       list_for_each_entry (iter_bss, &priv->network_list, list) {
-               switch (mode) {
-               case IW_MODE_INFRA:
-               case IW_MODE_ADHOC:
-                       if (!is_network_compatible(priv, iter_bss, mode))
-                               break;
-                       if (SCAN_RSSI(iter_bss->rssi) <= bestrssi)
-                               break;
-                       bestrssi = SCAN_RSSI(iter_bss->rssi);
-                       best_bss = iter_bss;
-                       break;
-               case IW_MODE_AUTO:
-               default:
-                       if (SCAN_RSSI(iter_bss->rssi) <= bestrssi)
-                               break;
-                       bestrssi = SCAN_RSSI(iter_bss->rssi);
-                       best_bss = iter_bss;
-                       break;
-               }
-       }
-
-       mutex_unlock(&priv->lock);
-       lbs_deb_leave_args(LBS_DEB_SCAN, "best_bss %p", best_bss);
-       return best_bss;
-}
-
-/**
- *  @brief Find the best AP
- *
- *  Used from association worker.
- *
- *  @param priv         A pointer to struct lbs_private structure
- *  @param pSSID        A pointer to AP's ssid
- *
- *  @return             0--success, otherwise--fail
- */
-int lbs_find_best_network_ssid(struct lbs_private *priv, uint8_t *out_ssid,
-                              uint8_t *out_ssid_len, uint8_t preferred_mode,
-                              uint8_t *out_mode)
-{
-       int ret = -1;
-       struct bss_descriptor *found;
-
-       lbs_deb_enter(LBS_DEB_SCAN);
-
-       priv->scan_ssid_len = 0;
-       lbs_scan_networks(priv, 1);
-       if (priv->surpriseremoved)
-               goto out;
-
-       found = lbs_find_best_ssid_in_list(priv, preferred_mode);
-       if (found && (found->ssid_len > 0)) {
-               memcpy(out_ssid, &found->ssid, IW_ESSID_MAX_SIZE);
-               *out_ssid_len = found->ssid_len;
-               *out_mode = found->mode;
-               ret = 0;
-       }
-
-out:
-       lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", ret);
-       return ret;
-}
-
-
 /**
  *  @brief Send a scan command for all available channels filtered on a spec
  *
index b50cf1415e04eec9eceee2cbee95462f9ca14d12..9e07b0464a8e1e432d82cb787f9e34ec95afe68f 100644 (file)
@@ -7,73 +7,13 @@
 #ifndef _LBS_SCAN_H
 #define _LBS_SCAN_H
 
-#include <net/ieee80211.h>
-#include "hostcmd.h"
-
 /**
  *  @brief Maximum number of channels that can be sent in a setuserscan ioctl
  */
 #define LBS_IOCTL_USER_SCAN_CHAN_MAX  50
 
-//! Infrastructure BSS scan type in cmd_ds_802_11_scan
-#define LBS_SCAN_BSS_TYPE_BSS         1
-
-//! Adhoc BSS scan type in cmd_ds_802_11_scan
-#define LBS_SCAN_BSS_TYPE_IBSS        2
-
-//! Adhoc or Infrastructure BSS scan type in cmd_ds_802_11_scan, no filter
-#define LBS_SCAN_BSS_TYPE_ANY         3
-
-/**
- *  @brief Structure used to store information for each beacon/probe response
- */
-struct bss_descriptor {
-       u8 bssid[ETH_ALEN];
-
-       u8 ssid[IW_ESSID_MAX_SIZE + 1];
-       u8 ssid_len;
-
-       u16 capability;
-       u32 rssi;
-       u32 channel;
-       u16 beaconperiod;
-       u32 atimwindow;
-
-       /* IW_MODE_AUTO, IW_MODE_ADHOC, IW_MODE_INFRA */
-       u8 mode;
-
-       /* zero-terminated array of supported data rates */
-       u8 rates[MAX_RATES + 1];
-
-       unsigned long last_scanned;
-
-       union ieeetypes_phyparamset phyparamset;
-       union IEEEtypes_ssparamset ssparamset;
-
-       struct ieeetypes_countryinfofullset countryinfo;
-
-       u8 wpa_ie[MAX_WPA_IE_LEN];
-       size_t wpa_ie_len;
-       u8 rsn_ie[MAX_WPA_IE_LEN];
-       size_t rsn_ie_len;
-
-       u8 mesh;
-
-       struct list_head list;
-};
-
 int lbs_ssid_cmp(u8 *ssid1, u8 ssid1_len, u8 *ssid2, u8 ssid2_len);
 
-struct bss_descriptor *lbs_find_ssid_in_list(struct lbs_private *priv,
-               u8 *ssid, u8 ssid_len, u8 *bssid, u8 mode,
-               int channel);
-
-struct bss_descriptor *lbs_find_bssid_in_list(struct lbs_private *priv,
-       u8 *bssid, u8 mode);
-
-int lbs_find_best_network_ssid(struct lbs_private *priv, u8 *out_ssid,
-                       u8 *out_ssid_len, u8 preferred_mode, u8 *out_mode);
-
 int lbs_send_specific_ssid_scan(struct lbs_private *priv, u8 *ssid,
                                u8 ssid_len);
 
@@ -82,6 +22,8 @@ int lbs_get_scan(struct net_device *dev, struct iw_request_info *info,
 int lbs_set_scan(struct net_device *dev, struct iw_request_info *info,
                         union iwreq_data *wrqu, char *extra);
 
+int lbs_scan_networks(struct lbs_private *priv, int full_scan);
+
 void lbs_scan_worker(struct work_struct *work);
 
 #endif
index 37507213022114713d367a71c52c063eb7165525..4ab5b8523ed9a4de061b692180acb0be3f7995fd 100644 (file)
@@ -17,6 +17,7 @@
 #include "defs.h"
 #include "dev.h"
 #include "wext.h"
+#include "scan.h"
 #include "assoc.h"
 #include "cmd.h"