mac80211: remove auth algorithm retry

The automatic auth algorithm issue is now solved in
cfg80211, so mac80211 no longer needs code to try
different algorithms -- just using whatever cfg80211
asked for is good.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

4 files changed, 4 insertions, 62 deletions

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index af4733ba5be2..3c9774e36a80 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1178,16 +1178,16 @@ static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
 
         switch (req->auth_type) {
         case NL80211_AUTHTYPE_OPEN_SYSTEM:
-                sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_OPEN;
+                sdata->u.mgd.auth_alg = WLAN_AUTH_OPEN;
                 break;
         case NL80211_AUTHTYPE_SHARED_KEY:
-                sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_SHARED_KEY;
+                sdata->u.mgd.auth_alg = WLAN_AUTH_SHARED_KEY;
                 break;
         case NL80211_AUTHTYPE_FT:
-                sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_FT;
+                sdata->u.mgd.auth_alg = WLAN_AUTH_FT;
                 break;
         case NL80211_AUTHTYPE_NETWORK_EAP:
-                sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_LEAP;
+                sdata->u.mgd.auth_alg = WLAN_AUTH_LEAP;
                 break;
         default:
                 return -EOPNOTSUPP;
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index e3420329f4e6..df8c804e2d9a 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -105,7 +105,6 @@ IEEE80211_IF_FILE(capab, u.mgd.capab, HEX);
 IEEE80211_IF_FILE(extra_ie_len, u.mgd.extra_ie_len, SIZE);
 IEEE80211_IF_FILE(auth_tries, u.mgd.auth_tries, DEC);
 IEEE80211_IF_FILE(assoc_tries, u.mgd.assoc_tries, DEC);
-IEEE80211_IF_FILE(auth_algs, u.mgd.auth_algs, HEX);
 IEEE80211_IF_FILE(auth_alg, u.mgd.auth_alg, DEC);
 IEEE80211_IF_FILE(auth_transaction, u.mgd.auth_transaction, DEC);
 
@@ -194,7 +193,6 @@ static void add_sta_files(struct ieee80211_sub_if_data *sdata)
         DEBUGFS_ADD(extra_ie_len, sta);
         DEBUGFS_ADD(auth_tries, sta);
         DEBUGFS_ADD(assoc_tries, sta);
-        DEBUGFS_ADD(auth_algs, sta);
         DEBUGFS_ADD(auth_alg, sta);
         DEBUGFS_ADD(auth_transaction, sta);
         DEBUGFS_ADD(flags, sta);
@@ -327,7 +325,6 @@ static void del_sta_files(struct ieee80211_sub_if_data *sdata)
         DEBUGFS_DEL(extra_ie_len, sta);
         DEBUGFS_DEL(auth_tries, sta);
         DEBUGFS_DEL(assoc_tries, sta);
-        DEBUGFS_DEL(auth_algs, sta);
         DEBUGFS_DEL(auth_alg, sta);
         DEBUGFS_DEL(auth_transaction, sta);
         DEBUGFS_DEL(flags, sta);
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 1950e2eb4150..f7024eeba8f5 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -251,12 +251,6 @@ struct mesh_preq_queue {
 #define IEEE80211_STA_REQ_AUTH 1
 #define IEEE80211_STA_REQ_RUN  2
 
-/* bitfield of allowed auth algs */
-#define IEEE80211_AUTH_ALG_OPEN BIT(0)
-#define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1)
-#define IEEE80211_AUTH_ALG_LEAP BIT(2)
-#define IEEE80211_AUTH_ALG_FT BIT(3)
-
 struct ieee80211_if_managed {
         struct timer_list timer;
         struct timer_list chswitch_timer;
@@ -303,7 +297,6 @@ struct ieee80211_if_managed {
 
         unsigned int flags;
 
-        unsigned int auth_algs; /* bitfield of allowed auth algs */
         int auth_alg; /* currently used IEEE 802.11 authentication algorithm */
         int auth_transaction;
 
@@ -488,7 +481,6 @@ struct ieee80211_sub_if_data {
                         struct dentry *extra_ie_len;
                         struct dentry *auth_tries;
                         struct dentry *assoc_tries;
-                        struct dentry *auth_algs;
                         struct dentry *auth_alg;
                         struct dentry *auth_transaction;
                         struct dentry *flags;
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 2a7860009f9c..2b357c7adb8d 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1414,39 +1414,6 @@ static void ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
                 return;
 
         if (status_code != WLAN_STATUS_SUCCESS) {
-                if (status_code == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG) {
-                        u8 algs[3];
-                        const int num_algs = ARRAY_SIZE(algs);
-                        int i, pos;
-                        algs[0] = algs[1] = algs[2] = 0xff;
-                        if (ifmgd->auth_algs & IEEE80211_AUTH_ALG_OPEN)
-                                algs[0] = WLAN_AUTH_OPEN;
-                        if (ifmgd->auth_algs & IEEE80211_AUTH_ALG_SHARED_KEY)
-                                algs[1] = WLAN_AUTH_SHARED_KEY;
-                        if (ifmgd->auth_algs & IEEE80211_AUTH_ALG_LEAP)
-                                algs[2] = WLAN_AUTH_LEAP;
-                        if (ifmgd->auth_alg == WLAN_AUTH_OPEN)
-                                pos = 0;
-                        else if (ifmgd->auth_alg == WLAN_AUTH_SHARED_KEY)
-                                pos = 1;
-                        else
-                                pos = 2;
-                        for (i = 0; i < num_algs; i++) {
-                                pos++;
-                                if (pos >= num_algs)
-                                        pos = 0;
-                                if (algs[pos] == ifmgd->auth_alg ||
-                                    algs[pos] == 0xff)
-                                        continue;
-                                if (algs[pos] == WLAN_AUTH_SHARED_KEY &&
-                                    !ieee80211_sta_wep_configured(sdata))
-                                        continue;
-                                ifmgd->auth_alg = algs[pos];
-                                ifmgd->auth_tries = 0;
-                                return;
-                        }
-                }
-                /* nothing else to try -- give up */
                 cfg80211_send_rx_auth(sdata->dev, (u8 *) mgmt, len,
                                       GFP_KERNEL);
                 ifmgd->state = IEEE80211_STA_MLME_DISABLED;
@@ -2102,18 +2069,6 @@ static void ieee80211_sta_reset_auth(struct ieee80211_sub_if_data *sdata)
         drv_reset_tsf(local);
 
         ifmgd->wmm_last_param_set = -1; /* allow any WMM update */
-
-
-        if (ifmgd->auth_algs & IEEE80211_AUTH_ALG_OPEN)
-                ifmgd->auth_alg = WLAN_AUTH_OPEN;
-        else if (ifmgd->auth_algs & IEEE80211_AUTH_ALG_SHARED_KEY)
-                ifmgd->auth_alg = WLAN_AUTH_SHARED_KEY;
-        else if (ifmgd->auth_algs & IEEE80211_AUTH_ALG_LEAP)
-                ifmgd->auth_alg = WLAN_AUTH_LEAP;
-        else if (ifmgd->auth_algs & IEEE80211_AUTH_ALG_FT)
-                ifmgd->auth_alg = WLAN_AUTH_FT;
-        else
-                ifmgd->auth_alg = WLAN_AUTH_OPEN;
         ifmgd->auth_transaction = -1;
         ifmgd->flags &= ~IEEE80211_STA_ASSOCIATED;
         ifmgd->assoc_scan_tries = 0;
@@ -2351,8 +2306,6 @@ void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata)
         skb_queue_head_init(&ifmgd->skb_queue);
 
         ifmgd->capab = WLAN_CAPABILITY_ESS;
-        ifmgd->auth_algs = IEEE80211_AUTH_ALG_OPEN |
-                IEEE80211_AUTH_ALG_SHARED_KEY;
         ifmgd->flags |= IEEE80211_STA_CREATE_IBSS |
                 IEEE80211_STA_AUTO_BSSID_SEL |
                 IEEE80211_STA_AUTO_CHANNEL_SEL;