int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, struct net_device *dev, struct ieee80211_channel *chan, const u8 *bssid, const u8 *ssid, int ssid_len, struct cfg80211_assoc_request *req) { struct wireless_dev *wdev = dev->ieee80211_ptr; int err; ASSERT_WDEV_LOCK(wdev); if (wdev->current_bss && (!req->prev_bssid || !ether_addr_equal(wdev->current_bss->pub.bssid, req->prev_bssid))) return -EALREADY; cfg80211_oper_and_ht_capa(&req->ht_capa_mask, rdev->wiphy.ht_capa_mod_mask); cfg80211_oper_and_vht_capa(&req->vht_capa_mask, rdev->wiphy.vht_capa_mod_mask); req->bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len, WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS); if (!req->bss) return -ENOENT; err = rdev_assoc(rdev, dev, req); if (!err) cfg80211_hold_bss(bss_from_pub(req->bss)); else cfg80211_put_bss(&rdev->wiphy, req->bss); return err; }
int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, struct net_device *dev, struct ieee80211_channel *chan, const u8 *bssid, const u8 *ssid, int ssid_len, struct cfg80211_assoc_request *req) { struct wireless_dev *wdev = dev->ieee80211_ptr; int err; bool was_connected = false; ASSERT_WDEV_LOCK(wdev); if (wdev->current_bss && req->prev_bssid && ether_addr_equal(wdev->current_bss->pub.bssid, req->prev_bssid)) { /* * Trying to reassociate: Allow this to proceed and let the old * association to be dropped when the new one is completed. */ if (wdev->sme_state == CFG80211_SME_CONNECTED) { was_connected = true; wdev->sme_state = CFG80211_SME_CONNECTING; } } else if (wdev->current_bss) return -EALREADY; cfg80211_oper_and_ht_capa(&req->ht_capa_mask, rdev->wiphy.ht_capa_mod_mask); cfg80211_oper_and_vht_capa(&req->vht_capa_mask, rdev->wiphy.vht_capa_mod_mask); req->bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len, WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS); if (!req->bss) { if (was_connected) wdev->sme_state = CFG80211_SME_CONNECTED; return -ENOENT; } err = cfg80211_can_use_chan(rdev, wdev, chan, CHAN_MODE_SHARED); if (err) goto out; err = rdev_assoc(rdev, dev, req); out: if (err) { if (was_connected) wdev->sme_state = CFG80211_SME_CONNECTED; cfg80211_put_bss(&rdev->wiphy, req->bss); } return err; }
int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, struct net_device *dev, struct ieee80211_channel *chan, const u8 *bssid, const u8 *prev_bssid, const u8 *ssid, int ssid_len, const u8 *ie, int ie_len, bool use_mfp, struct cfg80211_crypto_settings *crypt, u32 assoc_flags, struct ieee80211_ht_cap *ht_capa, struct ieee80211_ht_cap *ht_capa_mask) { struct wireless_dev *wdev = dev->ieee80211_ptr; struct cfg80211_assoc_request req; int err; bool was_connected = false; ASSERT_WDEV_LOCK(wdev); memset(&req, 0, sizeof(req)); if (wdev->current_bss && prev_bssid && ether_addr_equal(wdev->current_bss->pub.bssid, prev_bssid)) { /* * Trying to reassociate: Allow this to proceed and let the old * association to be dropped when the new one is completed. */ if (wdev->sme_state == CFG80211_SME_CONNECTED) { was_connected = true; wdev->sme_state = CFG80211_SME_CONNECTING; } } else if (wdev->current_bss) return -EALREADY; req.ie = ie; req.ie_len = ie_len; memcpy(&req.crypto, crypt, sizeof(req.crypto)); req.use_mfp = use_mfp; req.prev_bssid = prev_bssid; req.flags = assoc_flags; if (ht_capa) memcpy(&req.ht_capa, ht_capa, sizeof(req.ht_capa)); if (ht_capa_mask) memcpy(&req.ht_capa_mask, ht_capa_mask, sizeof(req.ht_capa_mask)); cfg80211_oper_and_ht_capa(&req.ht_capa_mask, rdev->wiphy.ht_capa_mod_mask); req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len, WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS); if (!req.bss) { if (was_connected) wdev->sme_state = CFG80211_SME_CONNECTED; return -ENOENT; } err = cfg80211_can_use_chan(rdev, wdev, req.bss->channel, CHAN_MODE_SHARED); if (err) goto out; err = rdev_assoc(rdev, dev, &req); out: if (err) { if (was_connected) wdev->sme_state = CFG80211_SME_CONNECTED; cfg80211_put_bss(&rdev->wiphy, req.bss); } return err; }