diff options
Diffstat (limited to 'net/wireless')
-rw-r--r-- | net/wireless/core.h | 14 | ||||
-rw-r--r-- | net/wireless/mesh.c | 1 | ||||
-rw-r--r-- | net/wireless/mlme.c | 322 | ||||
-rw-r--r-- | net/wireless/nl80211.c | 112 | ||||
-rw-r--r-- | net/wireless/reg.c | 19 | ||||
-rw-r--r-- | net/wireless/scan.c | 12 | ||||
-rw-r--r-- | net/wireless/sme.c | 41 |
7 files changed, 167 insertions, 354 deletions
diff --git a/net/wireless/core.h b/net/wireless/core.h index 43ad9c81efcf..3ac2dd00d714 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -144,11 +144,6 @@ static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pu return container_of(pub, struct cfg80211_internal_bss, pub); } -static inline void cfg80211_ref_bss(struct cfg80211_internal_bss *bss) -{ - kref_get(&bss->ref); -} - static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss) { atomic_inc(&bss->hold); @@ -325,15 +320,13 @@ int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, const u8 *bssid, const u8 *ssid, int ssid_len, const u8 *ie, int ie_len, - const u8 *key, int key_len, int key_idx, - bool local_state_change); + const u8 *key, int key_len, int key_idx); int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, struct net_device *dev, struct ieee80211_channel *chan, enum nl80211_auth_type auth_type, const u8 *bssid, const u8 *ssid, int ssid_len, const u8 *ie, int ie_len, - const u8 *key, int key_len, int key_idx, - bool local_state_change); + const u8 *key, int key_len, int key_idx); int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, struct net_device *dev, struct ieee80211_channel *chan, @@ -421,7 +414,8 @@ void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, size_t ie_len, u16 reason, bool from_ap); void cfg80211_sme_scan_done(struct net_device *dev); void cfg80211_sme_rx_auth(struct net_device *dev, const u8 *buf, size_t len); -void cfg80211_sme_disassoc(struct net_device *dev, int idx); +void cfg80211_sme_disassoc(struct net_device *dev, + struct cfg80211_internal_bss *bss); void __cfg80211_scan_done(struct work_struct *wk); void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak); void __cfg80211_sched_scan_results(struct work_struct *wk); diff --git a/net/wireless/mesh.c b/net/wireless/mesh.c index 8c550df13037..9d3e3b6bfcf4 100644 --- a/net/wireless/mesh.c +++ b/net/wireless/mesh.c @@ -55,6 +55,7 @@ const struct mesh_config default_mesh_config = { .min_discovery_timeout = MESH_MIN_DISCOVERY_TIMEOUT, .dot11MeshHWMPRannInterval = MESH_RANN_INTERVAL, .dot11MeshGateAnnouncementProtocol = false, + .dot11MeshForwarding = true, }; const struct mesh_setup default_mesh_setup = { diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c index 438dfc105b4a..d553d365e751 100644 --- a/net/wireless/mlme.c +++ b/net/wireless/mlme.c @@ -20,40 +20,18 @@ void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len) struct wireless_dev *wdev = dev->ieee80211_ptr; struct wiphy *wiphy = wdev->wiphy; struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; - u8 *bssid = mgmt->bssid; - int i; - u16 status = le16_to_cpu(mgmt->u.auth.status_code); - bool done = false; wdev_lock(wdev); - for (i = 0; i < MAX_AUTH_BSSES; i++) { - if (wdev->authtry_bsses[i] && - memcmp(wdev->authtry_bsses[i]->pub.bssid, bssid, - ETH_ALEN) == 0) { - if (status == WLAN_STATUS_SUCCESS) { - wdev->auth_bsses[i] = wdev->authtry_bsses[i]; - } else { - cfg80211_unhold_bss(wdev->authtry_bsses[i]); - cfg80211_put_bss(&wdev->authtry_bsses[i]->pub); - } - wdev->authtry_bsses[i] = NULL; - done = true; - break; - } - } - - if (done) { - nl80211_send_rx_auth(rdev, dev, buf, len, GFP_KERNEL); - cfg80211_sme_rx_auth(dev, buf, len); - } + nl80211_send_rx_auth(rdev, dev, buf, len, GFP_KERNEL); + cfg80211_sme_rx_auth(dev, buf, len); wdev_unlock(wdev); } EXPORT_SYMBOL(cfg80211_send_rx_auth); -void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len) +void cfg80211_send_rx_assoc(struct net_device *dev, struct cfg80211_bss *bss, + const u8 *buf, size_t len) { u16 status_code; struct wireless_dev *wdev = dev->ieee80211_ptr; @@ -61,8 +39,7 @@ void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len) struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; u8 *ie = mgmt->u.assoc_resp.variable; - int i, ieoffs = offsetof(struct ieee80211_mgmt, u.assoc_resp.variable); - struct cfg80211_internal_bss *bss = NULL; + int ieoffs = offsetof(struct ieee80211_mgmt, u.assoc_resp.variable); wdev_lock(wdev); @@ -75,43 +52,20 @@ void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len) * frame instead of reassoc. */ if (status_code != WLAN_STATUS_SUCCESS && wdev->conn && - cfg80211_sme_failed_reassoc(wdev)) + cfg80211_sme_failed_reassoc(wdev)) { + cfg80211_put_bss(bss); goto out; + } nl80211_send_rx_assoc(rdev, dev, buf, len, GFP_KERNEL); - if (status_code == WLAN_STATUS_SUCCESS) { - for (i = 0; i < MAX_AUTH_BSSES; i++) { - if (!wdev->auth_bsses[i]) - continue; - if (memcmp(wdev->auth_bsses[i]->pub.bssid, mgmt->bssid, - ETH_ALEN) == 0) { - bss = wdev->auth_bsses[i]; - wdev->auth_bsses[i] = NULL; - /* additional reference to drop hold */ - cfg80211_ref_bss(bss); - break; - } - } - - /* - * We might be coming here because the driver reported - * a successful association at the same time as the - * user requested a deauth. In that case, we will have - * removed the BSS from the auth_bsses list due to the - * deauth request when the assoc response makes it. If - * the two code paths acquire the lock the other way - * around, that's just the standard situation of a - * deauth being requested while connected. - */ - if (!bss) - goto out; - } else if (wdev->conn) { + if (status_code != WLAN_STATUS_SUCCESS && wdev->conn) { cfg80211_sme_failed_assoc(wdev); /* * do not call connect_result() now because the * sme will schedule work that does it later. */ + cfg80211_put_bss(bss); goto out; } @@ -124,17 +78,10 @@ void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len) wdev->sme_state = CFG80211_SME_CONNECTING; } - /* this consumes one bss reference (unless bss is NULL) */ + /* this consumes the bss reference */ __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, ie, len - ieoffs, status_code, - status_code == WLAN_STATUS_SUCCESS, - bss ? &bss->pub : NULL); - /* drop hold now, and also reference acquired above */ - if (bss) { - cfg80211_unhold_bss(bss); - cfg80211_put_bss(&bss->pub); - } - + status_code == WLAN_STATUS_SUCCESS, bss); out: wdev_unlock(wdev); } @@ -148,8 +95,7 @@ void __cfg80211_send_deauth(struct net_device *dev, struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; const u8 *bssid = mgmt->bssid; - int i; - bool found = false, was_current = false; + bool was_current = false; ASSERT_WDEV_LOCK(wdev); @@ -158,32 +104,9 @@ void __cfg80211_send_deauth(struct net_device *dev, cfg80211_unhold_bss(wdev->current_bss); cfg80211_put_bss(&wdev->current_bss->pub); wdev->current_bss = NULL; - found = true; was_current = true; - } else for (i = 0; i < MAX_AUTH_BSSES; i++) { - if (wdev->auth_bsses[i] && - memcmp(wdev->auth_bsses[i]->pub.bssid, bssid, ETH_ALEN) == 0) { - cfg80211_unhold_bss(wdev->auth_bsses[i]); - cfg80211_put_bss(&wdev->auth_bsses[i]->pub); - wdev->auth_bsses[i] = NULL; - found = true; - break; - } - if (wdev->authtry_bsses[i] && - memcmp(wdev->authtry_bsses[i]->pub.bssid, bssid, - ETH_ALEN) == 0 && - memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) == 0) { - cfg80211_unhold_bss(wdev->authtry_bsses[i]); - cfg80211_put_bss(&wdev->authtry_bsses[i]->pub); - wdev->authtry_bsses[i] = NULL; - found = true; - break; - } } - if (!found) - return; - nl80211_send_deauth(rdev, dev, buf, len, GFP_KERNEL); if (wdev->sme_state == CFG80211_SME_CONNECTED && was_current) { @@ -220,10 +143,8 @@ void __cfg80211_send_disassoc(struct net_device *dev, struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; const u8 *bssid = mgmt->bssid; - int i; u16 reason_code; bool from_ap; - bool done = false; ASSERT_WDEV_LOCK(wdev); @@ -234,16 +155,10 @@ void __cfg80211_send_disassoc(struct net_device *dev, if (wdev->current_bss && memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) { - for (i = 0; i < MAX_AUTH_BSSES; i++) { - if (wdev->authtry_bsses[i] || wdev->auth_bsses[i]) - continue; - wdev->auth_bsses[i] = wdev->current_bss; - wdev->current_bss = NULL; - done = true; - cfg80211_sme_disassoc(dev, i); - break; - } - WARN_ON(!done); + cfg80211_sme_disassoc(dev, wdev->current_bss); + cfg80211_unhold_bss(wdev->current_bss); + cfg80211_put_bss(&wdev->current_bss->pub); + wdev->current_bss = NULL; } else WARN_ON(1); @@ -287,34 +202,6 @@ void cfg80211_send_unprot_disassoc(struct net_device *dev, const u8 *buf, } EXPORT_SYMBOL(cfg80211_send_unprot_disassoc); -static void __cfg80211_auth_remove(struct wireless_dev *wdev, const u8 *addr) -{ - int i; - bool done = false; - - ASSERT_WDEV_LOCK(wdev); - - for (i = 0; addr && i < MAX_AUTH_BSSES; i++) { - if (wdev->authtry_bsses[i] && - memcmp(wdev->authtry_bsses[i]->pub.bssid, - addr, ETH_ALEN) == 0) { - cfg80211_unhold_bss(wdev->authtry_bsses[i]); - cfg80211_put_bss(&wdev->authtry_bsses[i]->pub); - wdev->authtry_bsses[i] = NULL; - done = true; - break; - } - } - - WARN_ON(!done); -} - -void __cfg80211_auth_canceled(struct net_device *dev, const u8 *addr) -{ - __cfg80211_auth_remove(dev->ieee80211_ptr, addr); -} -EXPORT_SYMBOL(__cfg80211_auth_canceled); - void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr) { struct wireless_dev *wdev = dev->ieee80211_ptr; @@ -329,8 +216,6 @@ void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr) WLAN_STATUS_UNSPECIFIED_FAILURE, false, NULL); - __cfg80211_auth_remove(wdev, addr); - wdev_unlock(wdev); } EXPORT_SYMBOL(cfg80211_send_auth_timeout); @@ -340,8 +225,6 @@ void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr) struct wireless_dev *wdev = dev->ieee80211_ptr; struct wiphy *wiphy = wdev->wiphy; struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - int i; - bool done = false; wdev_lock(wdev); @@ -351,20 +234,6 @@ void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr) WLAN_STATUS_UNSPECIFIED_FAILURE, false, NULL); - for (i = 0; addr && i < MAX_AUTH_BSSES; i++) { - if (wdev->auth_bsses[i] && - memcmp(wdev->auth_bsses[i]->pub.bssid, - addr, ETH_ALEN) == 0) { - cfg80211_unhold_bss(wdev->auth_bsses[i]); - cfg80211_put_bss(&wdev->auth_bsses[i]->pub); - wdev->auth_bsses[i] = NULL; - done = true; - break; - } - } - - WARN_ON(!done); - wdev_unlock(wdev); } EXPORT_SYMBOL(cfg80211_send_assoc_timeout); @@ -403,13 +272,11 @@ int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, const u8 *bssid, const u8 *ssid, int ssid_len, const u8 *ie, int ie_len, - const u8 *key, int key_len, int key_idx, - bool local_state_change) + const u8 *key, int key_len, int key_idx) { struct wireless_dev *wdev = dev->ieee80211_ptr; struct cfg80211_auth_request req; - struct cfg80211_internal_bss *bss; - int i, err, slot = -1, nfree = 0; + int err; ASSERT_WDEV_LOCK(wdev); @@ -421,20 +288,8 @@ int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, memcmp(bssid, wdev->current_bss->pub.bssid, ETH_ALEN) == 0) return -EALREADY; - for (i = 0; i < MAX_AUTH_BSSES; i++) { - if (wdev->authtry_bsses[i] && - memcmp(bssid, wdev->authtry_bsses[i]->pub.bssid, - ETH_ALEN) == 0) - return -EALREADY; - if (wdev->auth_bsses[i] && - memcmp(bssid, wdev->auth_bsses[i]->pub.bssid, - ETH_ALEN) == 0) - return -EALREADY; - } - memset(&req, 0, sizeof(req)); - req.local_state_change = local_state_change; req.ie = ie; req.ie_len = ie_len; req.auth_type = auth_type; @@ -446,39 +301,9 @@ int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, if (!req.bss) return -ENOENT; - bss = bss_from_pub(req.bss); - - for (i = 0; i < MAX_AUTH_BSSES; i++) { - if (!wdev->auth_bsses[i] && !wdev->authtry_bsses[i]) { - slot = i; - nfree++; - } - } - - /* we need one free slot for disassoc and one for this auth */ - if (nfree < 2) { - err = -ENOSPC; - goto out; - } - - if (local_state_change) - wdev->auth_bsses[slot] = bss; - else - wdev->authtry_bsses[slot] = bss; - cfg80211_hold_bss(bss); - err = rdev->ops->auth(&rdev->wiphy, dev, &req); - if (err) { - if (local_state_change) - wdev->auth_bsses[slot] = NULL; - else - wdev->authtry_bsses[slot] = NULL; - cfg80211_unhold_bss(bss); - } - out: - if (err) - cfg80211_put_bss(req.bss); + cfg80211_put_bss(req.bss); return err; } @@ -487,15 +312,14 @@ int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, enum nl80211_auth_type auth_type, const u8 *bssid, const u8 *ssid, int ssid_len, const u8 *ie, int ie_len, - const u8 *key, int key_len, int key_idx, - bool local_state_change) + const u8 *key, int key_len, int key_idx) { int err; wdev_lock(dev->ieee80211_ptr); err = __cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, ssid, ssid_len, ie, ie_len, - key, key_len, key_idx, local_state_change); + key, key_len, key_idx); wdev_unlock(dev->ieee80211_ptr); return err; @@ -530,8 +354,7 @@ int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, { struct wireless_dev *wdev = dev->ieee80211_ptr; struct cfg80211_assoc_request req; - struct cfg80211_internal_bss *bss; - int i, err, slot = -1; + int err; bool was_connected = false; ASSERT_WDEV_LOCK(wdev); @@ -573,26 +396,14 @@ int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, return -ENOENT; } - bss = bss_from_pub(req.bss); - - for (i = 0; i < MAX_AUTH_BSSES; i++) { - if (bss == wdev->auth_bsses[i]) { - slot = i; - break; - } - } + err = rdev->ops->assoc(&rdev->wiphy, dev, &req); - if (slot < 0) { - err = -ENOTCONN; - goto out; + if (err) { + if (was_connected) + wdev->sme_state = CFG80211_SME_CONNECTED; + cfg80211_put_bss(req.bss); } - err = rdev->ops->assoc(&rdev->wiphy, dev, &req); - out: - if (err && was_connected) - wdev->sme_state = CFG80211_SME_CONNECTED; - /* still a reference in wdev->auth_bsses[slot] */ - cfg80211_put_bss(req.bss); return err; } @@ -624,34 +435,25 @@ int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, bool local_state_change) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_deauth_request req; - int i; + struct cfg80211_deauth_request req = { + .bssid = bssid, + .reason_code = reason, + .ie = ie, + .ie_len = ie_len, + }; ASSERT_WDEV_LOCK(wdev); - memset(&req, 0, sizeof(req)); - req.reason_code = reason; - req.local_state_change = local_state_change; - req.ie = ie; - req.ie_len = ie_len; - if (wdev->current_bss && - memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) { - req.bss = &wdev->current_bss->pub; - } else for (i = 0; i < MAX_AUTH_BSSES; i++) { - if (wdev->auth_bsses[i] && - memcmp(bssid, wdev->auth_bsses[i]->pub.bssid, ETH_ALEN) == 0) { - req.bss = &wdev->auth_bsses[i]->pub; - break; - } - if (wdev->authtry_bsses[i] && - memcmp(bssid, wdev->authtry_bsses[i]->pub.bssid, ETH_ALEN) == 0) { - req.bss = &wdev->authtry_bsses[i]->pub; - break; + if (local_state_change) { + if (wdev->current_bss && + memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) { + cfg80211_unhold_bss(wdev->current_bss); + cfg80211_put_bss(&wdev->current_bss->pub); + wdev->current_bss = NULL; } - } - if (!req.bss) - return -ENOTCONN; + return 0; + } return rdev->ops->deauth(&rdev->wiphy, dev, &req, wdev); } @@ -722,7 +524,7 @@ void cfg80211_mlme_down(struct cfg80211_registered_device *rdev, { struct wireless_dev *wdev = dev->ieee80211_ptr; struct cfg80211_deauth_request req; - int i; + u8 bssid[ETH_ALEN]; ASSERT_WDEV_LOCK(wdev); @@ -734,35 +536,17 @@ void cfg80211_mlme_down(struct cfg80211_registered_device *rdev, req.ie = NULL; req.ie_len = 0; - if (wdev->current_bss) { - req.bss = &wdev->current_bss->pub; - rdev->ops->deauth(&rdev->wiphy, dev, &req, wdev); - if (wdev->current_bss) { - cfg80211_unhold_bss(wdev->current_bss); - cfg80211_put_bss(&wdev->current_bss->pub); - wdev->current_bss = NULL; - } - } + if (!wdev->current_bss) + return; - for (i = 0; i < MAX_AUTH_BSSES; i++) { - if (wdev->auth_bsses[i]) { - req.bss = &wdev->auth_bsses[i]->pub; - rdev->ops->deauth(&rdev->wiphy, dev, &req, wdev); - if (wdev->auth_bsses[i]) { - cfg80211_unhold_bss(wdev->auth_bsses[i]); - cfg80211_put_bss(&wdev->auth_bsses[i]->pub); - wdev->auth_bsses[i] = NULL; - } - } - if (wdev->authtry_bsses[i]) { - req.bss = &wdev->authtry_bsses[i]->pub; - rdev->ops->deauth(&rdev->wiphy, dev, &req, wdev); - if (wdev->authtry_bsses[i]) { - cfg80211_unhold_bss(wdev->authtry_bsses[i]); - cfg80211_put_bss(&wdev->authtry_bsses[i]->pub); - wdev->authtry_bsses[i] = NULL; - } - } + memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN); + req.bssid = bssid; + rdev->ops->deauth(&rdev->wiphy, dev, &req, wdev); + + if (wdev->current_bss) { + cfg80211_unhold_bss(wdev->current_bss); + cfg80211_put_bss(&wdev->current_bss->pub); + wdev->current_bss = NULL; } } diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index afeea32e04ad..fe2747653564 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -427,10 +427,9 @@ static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) if (tb[NL80211_KEY_DEFAULT_TYPES]) { struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; - int err = nla_parse_nested(kdt, - NUM_NL80211_KEY_DEFAULT_TYPES - 1, - tb[NL80211_KEY_DEFAULT_TYPES], - nl80211_key_default_policy); + err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, + tb[NL80211_KEY_DEFAULT_TYPES], + nl80211_key_default_policy); if (err) return err; @@ -2655,13 +2654,6 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) break; case NL80211_IFTYPE_P2P_CLIENT: case NL80211_IFTYPE_STATION: - /* disallow things sta doesn't support */ - if (params.plink_action) - return -EINVAL; - if (params.ht_capa) - return -EINVAL; - if (params.listen_interval >= 0) - return -EINVAL; /* * Don't allow userspace to change the TDLS_PEER flag, * but silently ignore attempts to change it since we @@ -2669,7 +2661,15 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) * to change the flag. */ params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); - + /* fall through */ + case NL80211_IFTYPE_ADHOC: + /* disallow things sta doesn't support */ + if (params.plink_action) + return -EINVAL; + if (params.ht_capa) + return -EINVAL; + if (params.listen_interval >= 0) + return -EINVAL; /* reject any changes other than AUTHORIZED */ if (params.sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) return -EINVAL; @@ -3259,6 +3259,8 @@ static int nl80211_get_mesh_config(struct sk_buff *skb, cur_params.dot11MeshHWMPRannInterval); NLA_PUT_U8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, cur_params.dot11MeshGateAnnouncementProtocol); + NLA_PUT_U8(msg, NL80211_MESHCONF_FORWARDING, + cur_params.dot11MeshForwarding); nla_nest_end(msg, pinfoattr); genlmsg_end(msg, hdr); return genlmsg_reply(msg, info); @@ -3290,6 +3292,7 @@ static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_A [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, + [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 }, }; static const struct nla_policy @@ -3379,6 +3382,8 @@ do {\ dot11MeshGateAnnouncementProtocol, mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, nla_get_u8); + FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, + mask, NL80211_MESHCONF_FORWARDING, nla_get_u8); if (mask_out) *mask_out = mask; @@ -4079,7 +4084,6 @@ static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, struct cfg80211_bss *res = &intbss->pub; void *hdr; struct nlattr *bss; - int i; ASSERT_WDEV_LOCK(wdev); @@ -4132,13 +4136,6 @@ static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, if (intbss == wdev->current_bss) NLA_PUT_U32(msg, NL80211_BSS_STATUS, NL80211_BSS_STATUS_ASSOCIATED); - else for (i = 0; i < MAX_AUTH_BSSES; i++) { - if (intbss != wdev->auth_bsses[i]) - continue; - NLA_PUT_U32(msg, NL80211_BSS_STATUS, - NL80211_BSS_STATUS_AUTHENTICATED); - break; - } break; case NL80211_IFTYPE_ADHOC: if (intbss == wdev->current_bss) @@ -4406,10 +4403,16 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; + /* + * Since we no longer track auth state, ignore + * requests to only change local state. + */ + if (local_state_change) + return 0; + return cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, ssid, ssid_len, ie, ie_len, - key.p.key, key.p.key_len, key.idx, - local_state_change); + key.p.key, key.p.key_len, key.idx); } static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, @@ -4781,7 +4784,6 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); struct ieee80211_supported_band *sband = wiphy->bands[ibss.channel->band]; - int err; err = ieee80211_get_ratemask(sband, rates, n_rates, &ibss.basic_rates); @@ -4801,6 +4803,9 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) return PTR_ERR(connkeys); } + ibss.control_port = + nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]); + err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); if (err) kfree(connkeys); @@ -5390,9 +5395,39 @@ static u32 rateset_to_mask(struct ieee80211_supported_band *sband, return mask; } +static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband, + u8 *rates, u8 rates_len, + u8 mcs[IEEE80211_HT_MCS_MASK_LEN]) +{ + u8 i; + + memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN); + + for (i = 0; i < rates_len; i++) { + int ridx, rbit; + + ridx = rates[i] / 8; + rbit = BIT(rates[i] % 8); + + /* check validity */ + if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN)) + return false; + + /* check availability */ + if (sband->ht_cap.mcs.rx_mask[ridx] & rbit) + mcs[ridx] |= rbit; + else + return false; + } + + return true; +} + static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, .len = NL80211_MAX_SUPP_RATES }, + [NL80211_TXRATE_MCS] = { .type = NLA_BINARY, + .len = NL80211_MAX_SUPP_HT_RATES }, }; static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, @@ -5418,12 +5453,20 @@ static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, sband = rdev->wiphy.bands[i]; mask.control[i].legacy = sband ? (1 << sband->n_bitrates) - 1 : 0; + if (sband) + memcpy(mask.control[i].mcs, + sband->ht_cap.mcs.rx_mask, + sizeof(mask.control[i].mcs)); + else + memset(mask.control[i].mcs, 0, + sizeof(mask.control[i].mcs)); } /* * The nested attribute uses enum nl80211_band as the index. This maps * directly to the enum ieee80211_band values used in cfg80211. */ + BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8); nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) { enum ieee80211_band band = nla_type(tx_rates); @@ -5439,7 +5482,28 @@ static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, sband, nla_data(tb[NL80211_TXRATE_LEGACY]), nla_len(tb[NL80211_TXRATE_LEGACY])); - if (mask.control[band].legacy == 0) + } + if (tb[NL80211_TXRATE_MCS]) { + if (!ht_rateset_to_mask( + sband, + nla_data(tb[NL80211_TXRATE_MCS]), + nla_len(tb[NL80211_TXRATE_MCS]), + mask.control[band].mcs)) + return -EINVAL; + } + + if (mask.control[band].legacy == 0) { + /* don't allow empty legacy rates if HT + * is not even supported. */ + if (!rdev->wiphy.bands[band]->ht_cap.ht_supported) + return -EINVAL; + + for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) + if (mask.control[band].mcs[i]) + break; + + /* legacy and mcs rates may not be both empty */ + if (i == IEEE80211_HT_MCS_MASK_LEN) return -EINVAL; } } diff --git a/net/wireless/reg.c b/net/wireless/reg.c index f65feaad155f..e9a0ac83b84c 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -882,23 +882,8 @@ static void handle_channel(struct wiphy *wiphy, chan->flags = flags | bw_flags | map_regdom_flags(reg_rule->flags); chan->max_antenna_gain = min(chan->orig_mag, (int) MBI_TO_DBI(power_rule->max_antenna_gain)); - if (chan->orig_mpwr) { - /* - * Devices that have their own custom regulatory domain - * but also use WIPHY_FLAG_STRICT_REGULATORY will follow the - * passed country IE power settings. - */ - if (initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE && - wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY && - wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY) { - chan->max_power = - MBM_TO_DBM(power_rule->max_eirp); - } else { - chan->max_power = min(chan->orig_mpwr, - (int) MBM_TO_DBM(power_rule->max_eirp)); - } - } else - chan->max_power = (int) MBM_TO_DBM(power_rule->max_eirp); + chan->max_reg_power = (int) MBM_TO_DBM(power_rule->max_eirp); + chan->max_power = min(chan->max_power, chan->max_reg_power); } static void handle_band(struct wiphy *wiphy, diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 31119e32e092..afde7e5f0010 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -861,6 +861,18 @@ cfg80211_inform_bss_frame(struct wiphy *wiphy, } EXPORT_SYMBOL(cfg80211_inform_bss_frame); +void cfg80211_ref_bss(struct cfg80211_bss *pub) +{ + struct cfg80211_internal_bss *bss; + + if (!pub) + return; + + bss = container_of(pub, struct cfg80211_internal_bss, pub); + kref_get(&bss->ref); +} +EXPORT_SYMBOL(cfg80211_ref_bss); + void cfg80211_put_bss(struct cfg80211_bss *pub) { struct cfg80211_internal_bss *bss; diff --git a/net/wireless/sme.c b/net/wireless/sme.c index 7b9ecaed96be..f7e937ff8978 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -179,7 +179,7 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev) params->ssid, params->ssid_len, NULL, 0, params->key, params->key_len, - params->key_idx, false); + params->key_idx); case CFG80211_CONN_ASSOCIATE_NEXT: BUG_ON(!rdev->ops->assoc); wdev->conn->state = CFG80211_CONN_ASSOCIATING; @@ -477,6 +477,7 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, kfree(wdev->connect_keys); wdev->connect_keys = NULL; wdev->ssid_len = 0; + cfg80211_put_bss(bss); return; } @@ -701,31 +702,10 @@ void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, wdev->ssid_len = 0; if (wdev->conn) { - const u8 *bssid; - int ret; - kfree(wdev->conn->ie); wdev->conn->ie = NULL; kfree(wdev->conn); wdev->conn = NULL; - - /* - * If this disconnect was due to a disassoc, we - * we might still have an auth BSS around. For - * the userspace SME that's currently expected, - * but for the kernel SME (nl80211 CONNECT or - * wireless extensions) we want to clear up all - * state. - */ - for (i = 0; i < MAX_AUTH_BSSES; i++) { - if (!wdev->auth_bsses[i]) - continue; - bssid = wdev->auth_bsses[i]->pub.bssid; - ret = __cfg80211_mlme_deauth(rdev, dev, bssid, NULL, 0, - WLAN_REASON_DEAUTH_LEAVING, - false); - WARN(ret, "deauth failed: %d\n", ret); - } } nl80211_send_disconnected(rdev, dev, reason, ie, ie_len, from_ap); @@ -1012,7 +992,8 @@ int cfg80211_disconnect(struct cfg80211_registered_device *rdev, return err; } -void cfg80211_sme_disassoc(struct net_device *dev, int idx) +void cfg80211_sme_disassoc(struct net_device *dev, + struct cfg80211_internal_bss *bss) { struct wireless_dev *wdev = dev->ieee80211_ptr; struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); @@ -1031,16 +1012,8 @@ void cfg80211_sme_disassoc(struct net_device *dev, int idx) * want it any more so deauthenticate too. */ - if (!wdev->auth_bsses[idx]) - return; + memcpy(bssid, bss->pub.bssid, ETH_ALEN); - memcpy(bssid, wdev->auth_bsses[idx]->pub.bssid, ETH_ALEN); - if (__cfg80211_mlme_deauth(rdev, dev, bssid, - NULL, 0, WLAN_REASON_DEAUTH_LEAVING, - false)) { - /* whatever -- assume gone anyway */ - cfg80211_unhold_bss(wdev->auth_bsses[idx]); - cfg80211_put_bss(&wdev->auth_bsses[idx]->pub); - wdev->auth_bsses[idx] = NULL; - } + __cfg80211_mlme_deauth(rdev, dev, bssid, NULL, 0, + WLAN_REASON_DEAUTH_LEAVING, false); } |