Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e8cbb4cbeb7642d179b01c35adf036ddb65f3dd0
Commit:     e8cbb4cbeb7642d179b01c35adf036ddb65f3dd0
Parent:     41ade00f21a72d30911c6351a93823a491fffa39
Author:     Johannes Berg <[EMAIL PROTECTED]>
AuthorDate: Wed Dec 19 02:03:30 2007 +0100
Committer:  David S. Miller <[EMAIL PROTECTED]>
CommitDate: Mon Jan 28 14:59:49 2008 -0800

    mac80211: support adding/removing keys via cfg80211
    
    This adds the necessary hooks to mac80211 to allow userspace
    to edit keys with cfg80211 (through nl80211.)
    
    Signed-off-by: Johannes Berg <[EMAIL PROTECTED]>
    Signed-off-by: John W. Linville <[EMAIL PROTECTED]>
    Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
---
 net/mac80211/cfg.c |   91 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 91 insertions(+), 0 deletions(-)

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 9e2bc1f..d49f7b5 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -6,6 +6,7 @@
  * This file is GPLv2 as found in COPYING.
  */
 
+#include <linux/ieee80211.h>
 #include <linux/nl80211.h>
 #include <linux/rtnetlink.h>
 #include <net/net_namespace.h>
@@ -99,8 +100,98 @@ static int ieee80211_change_iface(struct wiphy *wiphy, int 
ifindex,
        return 0;
 }
 
+static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
+                            u8 key_idx, u8 *mac_addr,
+                            struct key_params *params)
+{
+       struct ieee80211_sub_if_data *sdata;
+       struct sta_info *sta = NULL;
+       enum ieee80211_key_alg alg;
+       int ret;
+
+       sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+       switch (params->cipher) {
+       case WLAN_CIPHER_SUITE_WEP40:
+       case WLAN_CIPHER_SUITE_WEP104:
+               alg = ALG_WEP;
+               break;
+       case WLAN_CIPHER_SUITE_TKIP:
+               alg = ALG_TKIP;
+               break;
+       case WLAN_CIPHER_SUITE_CCMP:
+               alg = ALG_CCMP;
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       if (mac_addr) {
+               sta = sta_info_get(sdata->local, mac_addr);
+               if (!sta)
+                       return -ENOENT;
+       }
+
+       ret = 0;
+       if (!ieee80211_key_alloc(sdata, sta, alg, key_idx,
+                                params->key_len, params->key))
+               ret = -ENOMEM;
+
+       if (sta)
+               sta_info_put(sta);
+
+       return ret;
+}
+
+static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
+                            u8 key_idx, u8 *mac_addr)
+{
+       struct ieee80211_sub_if_data *sdata;
+       struct sta_info *sta;
+       int ret;
+
+       sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+       if (mac_addr) {
+               sta = sta_info_get(sdata->local, mac_addr);
+               if (!sta)
+                       return -ENOENT;
+
+               ret = 0;
+               if (sta->key)
+                       ieee80211_key_free(sta->key);
+               else
+                       ret = -ENOENT;
+
+               sta_info_put(sta);
+               return ret;
+       }
+
+       if (!sdata->keys[key_idx])
+               return -ENOENT;
+
+       ieee80211_key_free(sdata->keys[key_idx]);
+
+       return 0;
+}
+
+static int ieee80211_config_default_key(struct wiphy *wiphy,
+                                       struct net_device *dev,
+                                       u8 key_idx)
+{
+       struct ieee80211_sub_if_data *sdata;
+
+       sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+       ieee80211_set_default_key(sdata, key_idx);
+
+       return 0;
+}
+
 struct cfg80211_ops mac80211_config_ops = {
        .add_virtual_intf = ieee80211_add_iface,
        .del_virtual_intf = ieee80211_del_iface,
        .change_virtual_intf = ieee80211_change_iface,
+       .add_key = ieee80211_add_key,
+       .del_key = ieee80211_del_key,
+       .set_default_key = ieee80211_config_default_key,
 };
-
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