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authorJohannes Berg <johannes@sipsolutions.net>2009-07-07 05:45:17 +0400
committerJohn W. Linville <linville@tuxdriver.com>2009-07-10 23:02:30 +0400
commit77fdaa12cea26c204cc12c312fe40bc0f3dcdfd8 (patch)
treec28fdd28f2ca2783783adb4b5e13b7ba57a223a3 /net/mac80211/cfg.c
parenta7c1cfc9616ee76213a6d4fd4c17f13fdc92ddce (diff)
downloadlinux-77fdaa12cea26c204cc12c312fe40bc0f3dcdfd8.tar.xz
mac80211: rework MLME for multiple authentications
Sit tight. This shakes up the world as you know it. Let go of your spaghetti tongs, they will no longer be required, the horrible statemachine in net/mac80211/mlme.c is no more... With the cfg80211 SME mac80211 now has much less to keep track of, but, on the other hand, for FT it needs to be able to keep track of at least one authentication being in progress while associated. So convert from a single state machine to having small ones for all the different things we need to do. For real FT it will still need work wrt. PS, but this should be a good step. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/cfg.c')
-rw-r--r--net/mac80211/cfg.c105
1 files changed, 4 insertions, 101 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index e6d8860f26f2..7cfc14e4ca07 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1172,122 +1172,25 @@ static int ieee80211_scan(struct wiphy *wiphy,
static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_auth_request *req)
{
- struct ieee80211_sub_if_data *sdata;
- const u8 *ssid;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- switch (req->auth_type) {
- case NL80211_AUTHTYPE_OPEN_SYSTEM:
- sdata->u.mgd.auth_alg = WLAN_AUTH_OPEN;
- break;
- case NL80211_AUTHTYPE_SHARED_KEY:
- sdata->u.mgd.auth_alg = WLAN_AUTH_SHARED_KEY;
- break;
- case NL80211_AUTHTYPE_FT:
- sdata->u.mgd.auth_alg = WLAN_AUTH_FT;
- break;
- case NL80211_AUTHTYPE_NETWORK_EAP:
- sdata->u.mgd.auth_alg = WLAN_AUTH_LEAP;
- break;
- default:
- return -EOPNOTSUPP;
- }
-
- memcpy(sdata->u.mgd.bssid, req->bss->bssid, ETH_ALEN);
-
- sdata->local->oper_channel = req->bss->channel;
- ieee80211_hw_config(sdata->local, 0);
-
- ssid = ieee80211_bss_get_ie(req->bss, WLAN_EID_SSID);
- if (!ssid)
- return -EINVAL;
- sdata->u.mgd.ssid_len = *(ssid + 1);
- memcpy(sdata->u.mgd.ssid, ssid + 2, sdata->u.mgd.ssid_len);
-
- kfree(sdata->u.mgd.sme_auth_ie);
- sdata->u.mgd.sme_auth_ie = NULL;
- sdata->u.mgd.sme_auth_ie_len = 0;
- if (req->ie) {
- sdata->u.mgd.sme_auth_ie = kmalloc(req->ie_len, GFP_KERNEL);
- if (sdata->u.mgd.sme_auth_ie == NULL)
- return -ENOMEM;
- memcpy(sdata->u.mgd.sme_auth_ie, req->ie, req->ie_len);
- sdata->u.mgd.sme_auth_ie_len = req->ie_len;
- }
-
- sdata->u.mgd.state = IEEE80211_STA_MLME_DIRECT_PROBE;
- ieee80211_sta_req_auth(sdata);
- return 0;
+ return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
}
static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_assoc_request *req)
{
- struct ieee80211_sub_if_data *sdata;
- int ret, i;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- if (memcmp(sdata->u.mgd.bssid, req->bss->bssid, ETH_ALEN) != 0 ||
- !(sdata->u.mgd.flags & IEEE80211_STA_AUTHENTICATED))
- return -ENOLINK; /* not authenticated */
-
- sdata->u.mgd.flags &= ~IEEE80211_STA_DISABLE_11N;
-
- for (i = 0; i < req->crypto.n_ciphers_pairwise; i++)
- if (req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_WEP40 ||
- req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_TKIP ||
- req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_WEP104)
- sdata->u.mgd.flags |= IEEE80211_STA_DISABLE_11N;
-
- sdata->local->oper_channel = req->bss->channel;
- ieee80211_hw_config(sdata->local, 0);
-
- ret = ieee80211_sta_set_extra_ie(sdata, req->ie, req->ie_len);
- if (ret && ret != -EALREADY)
- return ret;
-
- if (req->use_mfp) {
- sdata->u.mgd.mfp = IEEE80211_MFP_REQUIRED;
- sdata->u.mgd.flags |= IEEE80211_STA_MFP_ENABLED;
- } else {
- sdata->u.mgd.mfp = IEEE80211_MFP_DISABLED;
- sdata->u.mgd.flags &= ~IEEE80211_STA_MFP_ENABLED;
- }
-
- if (req->prev_bssid) {
- sdata->u.mgd.flags |= IEEE80211_STA_PREV_BSSID_SET;
- memcpy(sdata->u.mgd.prev_bssid, req->prev_bssid, ETH_ALEN);
- } else
- sdata->u.mgd.flags &= ~IEEE80211_STA_PREV_BSSID_SET;
-
- if (req->crypto.control_port)
- sdata->u.mgd.flags |= IEEE80211_STA_CONTROL_PORT;
- else
- sdata->u.mgd.flags &= ~IEEE80211_STA_CONTROL_PORT;
-
- sdata->u.mgd.state = IEEE80211_STA_MLME_ASSOCIATE;
- ieee80211_sta_req_auth(sdata);
- return 0;
+ return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
}
static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_deauth_request *req)
{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- /* TODO: req->ie, req->peer_addr */
- return ieee80211_sta_deauthenticate(sdata, req->reason_code);
+ return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
}
static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_disassoc_request *req)
{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- /* TODO: req->ie, req->peer_addr */
- return ieee80211_sta_disassociate(sdata, req->reason_code);
+ return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
}
static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,