diff options
Diffstat (limited to 'net/wireless')
-rw-r--r-- | net/wireless/Makefile | 1 | ||||
-rw-r--r-- | net/wireless/core.c | 6 | ||||
-rw-r--r-- | net/wireless/core.h | 8 | ||||
-rw-r--r-- | net/wireless/debugfs.c | 10 | ||||
-rw-r--r-- | net/wireless/mlme.c | 29 | ||||
-rw-r--r-- | net/wireless/nl80211.c | 252 | ||||
-rw-r--r-- | net/wireless/nl80211.h | 10 | ||||
-rw-r--r-- | net/wireless/of.c | 138 | ||||
-rw-r--r-- | net/wireless/reg.c | 27 | ||||
-rw-r--r-- | net/wireless/scan.c | 9 | ||||
-rw-r--r-- | net/wireless/sme.c | 72 | ||||
-rw-r--r-- | net/wireless/sysfs.c | 6 | ||||
-rw-r--r-- | net/wireless/trace.h | 27 | ||||
-rw-r--r-- | net/wireless/util.c | 32 | ||||
-rw-r--r-- | net/wireless/wext-core.c | 67 | ||||
-rw-r--r-- | net/wireless/wext-sme.c | 23 |
16 files changed, 553 insertions, 164 deletions
diff --git a/net/wireless/Makefile b/net/wireless/Makefile index 816c9331c8d2..d06e5015751a 100644 --- a/net/wireless/Makefile +++ b/net/wireless/Makefile @@ -11,6 +11,7 @@ obj-$(CONFIG_WEXT_PRIV) += wext-priv.o cfg80211-y += core.o sysfs.o radiotap.o util.o reg.o scan.o nl80211.o cfg80211-y += mlme.o ibss.o sme.o chan.o ethtool.o mesh.o ap.o trace.o ocb.o +cfg80211-$(CONFIG_OF) += of.o cfg80211-$(CONFIG_CFG80211_DEBUGFS) += debugfs.o cfg80211-$(CONFIG_CFG80211_WEXT) += wext-compat.o wext-sme.o cfg80211-$(CONFIG_CFG80211_INTERNAL_REGDB) += regdb.o diff --git a/net/wireless/core.c b/net/wireless/core.c index 158c59ecf90a..e55e05bc4805 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -626,7 +626,8 @@ int wiphy_register(struct wiphy *wiphy) if (WARN_ON((wiphy->interface_modes & BIT(NL80211_IFTYPE_NAN)) && (!rdev->ops->start_nan || !rdev->ops->stop_nan || - !rdev->ops->add_nan_func || !rdev->ops->del_nan_func))) + !rdev->ops->add_nan_func || !rdev->ops->del_nan_func || + !(wiphy->nan_supported_bands & BIT(NL80211_BAND_2GHZ))))) return -EINVAL; #ifndef CONFIG_WIRELESS_WDS @@ -1142,6 +1143,8 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb, wdev->iftype == NL80211_IFTYPE_ADHOC) && !wdev->use_4addr) dev->priv_flags |= IFF_DONT_BRIDGE; + INIT_WORK(&wdev->disconnect_wk, cfg80211_autodisconnect_wk); + nl80211_notify_iface(rdev, wdev, NL80211_CMD_NEW_INTERFACE); break; case NETDEV_GOING_DOWN: @@ -1230,6 +1233,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb, #ifdef CONFIG_CFG80211_WEXT kzfree(wdev->wext.keys); #endif + flush_work(&wdev->disconnect_wk); } /* * synchronise (so that we won't find this netdev diff --git a/net/wireless/core.h b/net/wireless/core.h index af6e023020b1..58ca206982fe 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -228,6 +228,7 @@ struct cfg80211_event { size_t resp_ie_len; struct cfg80211_bss *bss; int status; /* -1 = failed; 0..65535 = status code */ + enum nl80211_timeout_reason timeout_reason; } cr; struct { const u8 *req_ie; @@ -388,7 +389,8 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, const u8 *req_ie, size_t req_ie_len, const u8 *resp_ie, size_t resp_ie_len, int status, bool wextev, - struct cfg80211_bss *bss); + struct cfg80211_bss *bss, + enum nl80211_timeout_reason timeout_reason); void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, size_t ie_len, u16 reason, bool from_ap); int cfg80211_disconnect(struct cfg80211_registered_device *rdev, @@ -400,6 +402,7 @@ void __cfg80211_roamed(struct wireless_dev *wdev, const u8 *resp_ie, size_t resp_ie_len); int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev, struct wireless_dev *wdev); +void cfg80211_autodisconnect_wk(struct work_struct *work); /* SME implementation */ void cfg80211_conn_work(struct work_struct *work); @@ -430,6 +433,9 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev, void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev); void cfg80211_process_wdev_events(struct wireless_dev *wdev); +bool cfg80211_does_bw_fit_range(const struct ieee80211_freq_range *freq_range, + u32 center_freq_khz, u32 bw_khz); + /** * cfg80211_chandef_dfs_usable - checks if chandef is DFS usable * @wiphy: the wiphy to validate against diff --git a/net/wireless/debugfs.c b/net/wireless/debugfs.c index 5d453916a417..30fc6eb352bc 100644 --- a/net/wireless/debugfs.c +++ b/net/wireless/debugfs.c @@ -17,7 +17,7 @@ static ssize_t name## _read(struct file *file, char __user *userbuf, \ size_t count, loff_t *ppos) \ { \ - struct wiphy *wiphy= file->private_data; \ + struct wiphy *wiphy = file->private_data; \ char buf[buflen]; \ int res; \ \ @@ -29,14 +29,14 @@ static const struct file_operations name## _ops = { \ .read = name## _read, \ .open = simple_open, \ .llseek = generic_file_llseek, \ -}; +} DEBUGFS_READONLY_FILE(rts_threshold, 20, "%d", - wiphy->rts_threshold) + wiphy->rts_threshold); DEBUGFS_READONLY_FILE(fragmentation_threshold, 20, "%d", wiphy->frag_threshold); DEBUGFS_READONLY_FILE(short_retry_limit, 20, "%d", - wiphy->retry_short) + wiphy->retry_short); DEBUGFS_READONLY_FILE(long_retry_limit, 20, "%d", wiphy->retry_long); @@ -103,7 +103,7 @@ static const struct file_operations ht40allow_map_ops = { }; #define DEBUGFS_ADD(name) \ - debugfs_create_file(#name, S_IRUGO, phyd, &rdev->wiphy, &name## _ops); + debugfs_create_file(#name, 0444, phyd, &rdev->wiphy, &name## _ops) void cfg80211_debugfs_rdev_add(struct cfg80211_registered_device *rdev) { diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c index 4646cf5695b9..22b3d9990065 100644 --- a/net/wireless/mlme.c +++ b/net/wireless/mlme.c @@ -48,7 +48,8 @@ void cfg80211_rx_assoc_resp(struct net_device *dev, struct cfg80211_bss *bss, /* update current_bss etc., consumes the bss reference */ __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, ie, len - ieoffs, status_code, - status_code == WLAN_STATUS_SUCCESS, bss); + status_code == WLAN_STATUS_SUCCESS, bss, + NL80211_TIMEOUT_UNSPECIFIED); } EXPORT_SYMBOL(cfg80211_rx_assoc_resp); @@ -345,6 +346,11 @@ int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, !ether_addr_equal(wdev->current_bss->pub.bssid, bssid))) return 0; + if (ether_addr_equal(wdev->disconnect_bssid, bssid) || + (wdev->current_bss && + ether_addr_equal(wdev->current_bss->pub.bssid, bssid))) + wdev->conn_owner_nlportid = 0; + return rdev_deauth(rdev, dev, &req); } @@ -657,8 +663,25 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, return err; } - if (!ether_addr_equal(mgmt->sa, wdev_address(wdev))) - return -EINVAL; + if (!ether_addr_equal(mgmt->sa, wdev_address(wdev))) { + /* Allow random TA to be used with Public Action frames if the + * driver has indicated support for this. Otherwise, only allow + * the local address to be used. + */ + if (!ieee80211_is_action(mgmt->frame_control) || + mgmt->u.action.category != WLAN_CATEGORY_PUBLIC) + return -EINVAL; + if (!wdev->current_bss && + !wiphy_ext_feature_isset( + &rdev->wiphy, + NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA)) + return -EINVAL; + if (wdev->current_bss && + !wiphy_ext_feature_isset( + &rdev->wiphy, + NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA_CONNECTED)) + return -EINVAL; + } /* Transmit the Action frame as requested by user space */ return rdev_mgmt_tx(rdev, wdev, params, cookie); diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 5c1b267e22be..d7f8be4e321a 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -3,7 +3,7 @@ * * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> * Copyright 2013-2014 Intel Mobile Communications GmbH - * Copyright 2015-2016 Intel Deutschland GmbH + * Copyright 2015-2017 Intel Deutschland GmbH */ #include <linux/if.h> @@ -398,13 +398,18 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { }, [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = { .len = ETH_ALEN }, [NL80211_ATTR_NAN_MASTER_PREF] = { .type = NLA_U8 }, - [NL80211_ATTR_NAN_DUAL] = { .type = NLA_U8 }, + [NL80211_ATTR_BANDS] = { .type = NLA_U32 }, [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED }, [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY, .len = FILS_MAX_KEK_LEN }, [NL80211_ATTR_FILS_NONCES] = { .len = 2 * FILS_NONCE_LEN }, [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, }, [NL80211_ATTR_BSSID] = { .len = ETH_ALEN }, + [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 }, + [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = { + .len = sizeof(struct nl80211_bss_select_rssi_adjust) + }, + [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 }, }; /* policy for the key attributes */ @@ -1881,6 +1886,10 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, } } + if (nla_put_u32(msg, NL80211_ATTR_BANDS, + rdev->wiphy.nan_supported_bands)) + goto nla_put_failure; + /* done */ state->split_start = 0; break; @@ -3738,6 +3747,49 @@ static int nl80211_parse_beacon(struct nlattr *attrs[], return 0; } +static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params, + const u8 *rates) +{ + int i; + + if (!rates) + return; + + for (i = 0; i < rates[1]; i++) { + if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY) + params->ht_required = true; + if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY) + params->vht_required = true; + } +} + +/* + * Since the nl80211 API didn't include, from the beginning, attributes about + * HT/VHT requirements/capabilities, we parse them out of the IEs for the + * benefit of drivers that rebuild IEs in the firmware. + */ +static void nl80211_calculate_ap_params(struct cfg80211_ap_settings *params) +{ + const struct cfg80211_beacon_data *bcn = ¶ms->beacon; + size_t ies_len = bcn->beacon_ies_len; + const u8 *ies = bcn->beacon_ies; + const u8 *rates; + const u8 *cap; + + rates = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies, ies_len); + nl80211_check_ap_rate_selectors(params, rates); + + rates = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, ies, ies_len); + nl80211_check_ap_rate_selectors(params, rates); + + cap = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len); + if (cap && cap[1] >= sizeof(*params->ht_cap)) + params->ht_cap = (void *)(cap + 2); + cap = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, ies, ies_len); + if (cap && cap[1] >= sizeof(*params->vht_cap)) + params->vht_cap = (void *)(cap + 2); +} + static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev, struct cfg80211_ap_settings *params) { @@ -3966,6 +4018,8 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) return PTR_ERR(params.acl); } + nl80211_calculate_ap_params(¶ms); + wdev_lock(wdev); err = rdev_start_ap(rdev, dev, ¶ms); if (!err) { @@ -5916,6 +5970,7 @@ do { \ break; } cfg->ht_opmode = ht_opmode; + mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1)); } FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout, 1, 65535, mask, @@ -6790,13 +6845,10 @@ nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans, /* * If scan plans are not specified, - * %NL80211_ATTR_SCHED_SCAN_INTERVAL must be specified. In this + * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this * case one scan plan will be set with the specified scan * interval and infinite number of iterations. */ - if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) - return -EINVAL; - interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); if (!interval) return -EINVAL; @@ -6865,7 +6917,7 @@ nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans, static struct cfg80211_sched_scan_request * nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev, - struct nlattr **attrs) + struct nlattr **attrs, int max_match_sets) { struct cfg80211_sched_scan_request *request; struct nlattr *attr; @@ -6930,7 +6982,7 @@ nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev, if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF) n_match_sets = 1; - if (n_match_sets > wiphy->max_match_sets) + if (n_match_sets > max_match_sets) return ERR_PTR(-EINVAL); if (attrs[NL80211_ATTR_IE]) @@ -6968,6 +7020,12 @@ nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev, if (!n_plans || n_plans > wiphy->max_sched_scan_plans) return ERR_PTR(-EINVAL); + if (!wiphy_ext_feature_isset( + wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) && + (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] || + attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST])) + return ERR_PTR(-EINVAL); + request = kzalloc(sizeof(*request) + sizeof(*request->ssids) * n_ssids + sizeof(*request->match_sets) * n_match_sets @@ -7174,6 +7232,26 @@ nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev, request->delay = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]); + if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) { + request->relative_rssi = nla_get_s8( + attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]); + request->relative_rssi_set = true; + } + + if (request->relative_rssi_set && + attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) { + struct nl80211_bss_select_rssi_adjust *rssi_adjust; + + rssi_adjust = nla_data( + attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]); + request->rssi_adjust.band = rssi_adjust->band; + request->rssi_adjust.delta = rssi_adjust->delta; + if (!is_band_valid(wiphy, request->rssi_adjust.band)) { + err = -EINVAL; + goto out_free; + } + } + err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs); if (err) goto out_free; @@ -7204,7 +7282,8 @@ static int nl80211_start_sched_scan(struct sk_buff *skb, return -EINPROGRESS; sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev, - info->attrs); + info->attrs, + rdev->wiphy.max_match_sets); err = PTR_ERR_OR_ZERO(sched_scan_req); if (err) @@ -8068,8 +8147,17 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) err = nl80211_crypto_settings(rdev, info, &req.crypto, 1); if (!err) { wdev_lock(dev->ieee80211_ptr); + err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, ssid, ssid_len, &req); + + if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) { + dev->ieee80211_ptr->conn_owner_nlportid = + info->snd_portid; + memcpy(dev->ieee80211_ptr->disconnect_bssid, + bssid, ETH_ALEN); + } + wdev_unlock(dev->ieee80211_ptr); } @@ -8548,6 +8636,12 @@ static int nl80211_testmode_dump(struct sk_buff *skb, * so we need to offset by 1. */ phy_idx = cb->args[0] - 1; + + rdev = cfg80211_rdev_by_wiphy_idx(phy_idx); + if (!rdev) { + err = -ENOENT; + goto out_err; + } } else { struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam); @@ -8562,7 +8656,6 @@ static int nl80211_testmode_dump(struct sk_buff *skb, goto out_err; } phy_idx = rdev->wiphy_idx; - rdev = NULL; if (attrbuf[NL80211_ATTR_TESTDATA]) cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA]; @@ -8573,12 +8666,6 @@ static int nl80211_testmode_dump(struct sk_buff *skb, data_len = nla_len((void *)cb->args[1]); } - rdev = cfg80211_rdev_by_wiphy_idx(phy_idx); - if (!rdev) { - err = -ENOENT; - goto out_err; - } - if (!rdev->ops->testmode_dump) { err = -EOPNOTSUPP; goto out_err; @@ -8788,11 +8875,24 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) } wdev_lock(dev->ieee80211_ptr); + err = cfg80211_connect(rdev, dev, &connect, connkeys, connect.prev_bssid); - wdev_unlock(dev->ieee80211_ptr); if (err) kzfree(connkeys); + + if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) { + dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid; + if (connect.bssid) + memcpy(dev->ieee80211_ptr->disconnect_bssid, + connect.bssid, ETH_ALEN); + else + memset(dev->ieee80211_ptr->disconnect_bssid, + 0, ETH_ALEN); + } + + wdev_unlock(dev->ieee80211_ptr); + return err; } @@ -9379,6 +9479,7 @@ nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = { [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 }, [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 }, [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 }, + [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 }, }; static int nl80211_set_cqm_txe(struct genl_info *info, @@ -9688,6 +9789,20 @@ static int nl80211_send_wowlan_nd(struct sk_buff *msg, if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay)) return -ENOBUFS; + if (req->relative_rssi_set) { + struct nl80211_bss_select_rssi_adjust rssi_adjust; + + if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI, + req->relative_rssi)) + return -ENOBUFS; + + rssi_adjust.band = req->rssi_adjust.band; + rssi_adjust.delta = req->rssi_adjust.delta; + if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST, + sizeof(rssi_adjust), &rssi_adjust)) + return -ENOBUFS; + } + freqs = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); if (!freqs) return -ENOBUFS; @@ -9981,7 +10096,8 @@ static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev, if (err) goto out; - trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb); + trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb, + wowlan->max_nd_match_sets); err = PTR_ERR_OR_ZERO(trig->nd_config); if (err) trig->nd_config = NULL; @@ -10666,15 +10782,22 @@ static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info) if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) return -EINVAL; - if (!info->attrs[NL80211_ATTR_NAN_DUAL]) - return -EINVAL; - conf.master_pref = nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]); if (!conf.master_pref) return -EINVAL; - conf.dual = nla_get_u8(info->attrs[NL80211_ATTR_NAN_DUAL]); + if (info->attrs[NL80211_ATTR_BANDS]) { + u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]); + + if (bands & ~(u32)wdev->wiphy->nan_supported_bands) + return -EOPNOTSUPP; + + if (bands && !(bands & BIT(NL80211_BAND_2GHZ))) + return -EINVAL; + + conf.bands = bands; + } err = rdev_start_nan(rdev, wdev, &conf); if (err) @@ -11039,9 +11162,17 @@ static int nl80211_nan_change_config(struct sk_buff *skb, changed |= CFG80211_NAN_CONF_CHANGED_PREF; } - if (info->attrs[NL80211_ATTR_NAN_DUAL]) { - conf.dual = nla_get_u8(info->attrs[NL80211_ATTR_NAN_DUAL]); - changed |= CFG80211_NAN_CONF_CHANGED_DUAL; + if (info->attrs[NL80211_ATTR_BANDS]) { + u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]); + + if (bands & ~(u32)wdev->wiphy->nan_supported_bands) + return -EOPNOTSUPP; + + if (bands && !(bands & BIT(NL80211_BAND_2GHZ))) + return -EINVAL; + + conf.bands = bands; + changed |= CFG80211_NAN_CONF_CHANGED_BANDS; } if (!changed) @@ -11822,9 +11953,6 @@ static int nl80211_set_multicast_to_unicast(struct sk_buff *skb, const struct nlattr *nla; bool enabled; - if (netif_running(dev)) - return -EBUSY; - if (!rdev->ops->set_multicast_to_unicast) return -EOPNOTSUPP; @@ -12825,7 +12953,7 @@ static int nl80211_add_scan_req(struct sk_buff *msg, return -ENOBUFS; } -static int nl80211_send_scan_msg(struct sk_buff *msg, +static int nl80211_prep_scan_msg(struct sk_buff *msg, struct cfg80211_registered_device *rdev, struct wireless_dev *wdev, u32 portid, u32 seq, int flags, @@ -12856,7 +12984,7 @@ static int nl80211_send_scan_msg(struct sk_buff *msg, } static int -nl80211_send_sched_scan_msg(struct sk_buff *msg, +nl80211_prep_sched_scan_msg(struct sk_buff *msg, struct cfg80211_registered_device *rdev, struct net_device *netdev, u32 portid, u32 seq, int flags, u32 cmd) @@ -12888,7 +13016,7 @@ void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, if (!msg) return; - if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, + if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0, NL80211_CMD_TRIGGER_SCAN) < 0) { nlmsg_free(msg); return; @@ -12907,7 +13035,7 @@ struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev, if (!msg) return NULL; - if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, + if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0, aborted ? NL80211_CMD_SCAN_ABORTED : NL80211_CMD_NEW_SCAN_RESULTS) < 0) { nlmsg_free(msg); @@ -12917,8 +13045,9 @@ struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev, return msg; } -void nl80211_send_scan_result(struct cfg80211_registered_device *rdev, - struct sk_buff *msg) +/* send message created by nl80211_build_scan_msg() */ +void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev, + struct sk_buff *msg) { if (!msg) return; @@ -12927,25 +13056,6 @@ void nl80211_send_scan_result(struct cfg80211_registered_device *rdev, NL80211_MCGRP_SCAN, GFP_KERNEL); } -void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, - struct net_device *netdev) -{ - struct sk_buff *msg; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (!msg) - return; - - if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, - NL80211_CMD_SCHED_SCAN_RESULTS) < 0) { - nlmsg_free(msg); - return; - } - - genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, - NL80211_MCGRP_SCAN, GFP_KERNEL); -} - void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, struct net_device *netdev, u32 cmd) { @@ -12955,7 +13065,7 @@ void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, if (!msg) return; - if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) { + if (nl80211_prep_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) { nlmsg_free(msg); return; } @@ -13057,7 +13167,7 @@ static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, struct sk_buff *msg; void *hdr; - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); + msg = nlmsg_new(100 + len, gfp); if (!msg) return; @@ -13204,12 +13314,14 @@ void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, struct net_device *netdev, const u8 *bssid, const u8 *req_ie, size_t req_ie_len, const u8 *resp_ie, size_t resp_ie_len, - int status, gfp_t gfp) + int status, + enum nl80211_timeout_reason timeout_reason, + gfp_t gfp) { struct sk_buff *msg; void *hdr; - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); + msg = nlmsg_new(100 + req_ie_len + resp_ie_len, gfp); if (!msg) return; @@ -13225,7 +13337,9 @@ void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE : status) || - (status < 0 && nla_put_flag(msg, NL80211_ATTR_TIMED_OUT)) || + (status < 0 && + (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || + nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON, timeout_reason))) || (req_ie && nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || (resp_ie && @@ -13251,7 +13365,7 @@ void nl80211_send_roamed(struct cfg80211_registered_device *rdev, struct sk_buff *msg; void *hdr; - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); + msg = nlmsg_new(100 + req_ie_len + resp_ie_len, gfp); if (!msg) return; @@ -13288,7 +13402,7 @@ void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, struct sk_buff *msg; void *hdr; - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); + msg = nlmsg_new(100 + ie_len, GFP_KERNEL); if (!msg) return; @@ -13364,7 +13478,7 @@ void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr, trace_cfg80211_notify_new_peer_candidate(dev, addr); - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); + msg = nlmsg_new(100 + ie_len, gfp); if (!msg) return; @@ -13735,7 +13849,7 @@ int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, struct sk_buff *msg; void *hdr; - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); + msg = nlmsg_new(100 + len, gfp); if (!msg) return -ENOMEM; @@ -13779,7 +13893,7 @@ void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, trace_cfg80211_mgmt_tx_status(wdev, cookie, ack); - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); + msg = nlmsg_new(100 + len, gfp); if (!msg) return; @@ -13866,11 +13980,11 @@ static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp) void cfg80211_cqm_rssi_notify(struct net_device *dev, enum nl80211_cqm_rssi_threshold_event rssi_event, - gfp_t gfp) + s32 rssi_level, gfp_t gfp) { struct sk_buff *msg; - trace_cfg80211_cqm_rssi_notify(dev, rssi_event); + trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level); if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW && rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH)) @@ -13884,6 +13998,10 @@ void cfg80211_cqm_rssi_notify(struct net_device *dev, rssi_event)) goto nla_put_failure; + if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL, + rssi_level)) + goto nla_put_failure; + cfg80211_send_cqm(msg, gfp); return; @@ -14534,6 +14652,8 @@ static int nl80211_netlink_notify(struct notifier_block * nb, if (wdev->owner_nlportid == notify->portid) schedule_destroy_work = true; + else if (wdev->conn_owner_nlportid == notify->portid) + schedule_work(&wdev->disconnect_wk); } spin_lock_bh(&rdev->beacon_registrations_lock); @@ -14588,7 +14708,7 @@ void cfg80211_ft_event(struct net_device *netdev, if (!ft_event->target_ap) return; - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); + msg = nlmsg_new(100 + ft_event->ric_ies_len, GFP_KERNEL); if (!msg) return; diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h index 7e3821d7fcc5..e488dca87423 100644 --- a/net/wireless/nl80211.h +++ b/net/wireless/nl80211.h @@ -14,12 +14,10 @@ void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, struct wireless_dev *wdev); struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev, struct wireless_dev *wdev, bool aborted); -void nl80211_send_scan_result(struct cfg80211_registered_device *rdev, - struct sk_buff *msg); +void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev, + struct sk_buff *msg); void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, struct net_device *netdev, u32 cmd); -void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, - struct net_device *netdev); void nl80211_common_reg_change_event(enum nl80211_commands cmd_id, struct regulatory_request *request); @@ -58,7 +56,9 @@ void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, struct net_device *netdev, const u8 *bssid, const u8 *req_ie, size_t req_ie_len, const u8 *resp_ie, size_t resp_ie_len, - int status, gfp_t gfp); + int status, + enum nl80211_timeout_reason timeout_reason, + gfp_t gfp); void nl80211_send_roamed(struct cfg80211_registered_device *rdev, struct net_device *netdev, const u8 *bssid, const u8 *req_ie, size_t req_ie_len, diff --git a/net/wireless/of.c b/net/wireless/of.c new file mode 100644 index 000000000000..de221f0edca5 --- /dev/null +++ b/net/wireless/of.c @@ -0,0 +1,138 @@ +/* + * Copyright (C) 2017 Rafał Miłecki <rafal@milecki.pl> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <linux/of.h> +#include <net/cfg80211.h> +#include "core.h" + +static bool wiphy_freq_limits_valid_chan(struct wiphy *wiphy, + struct ieee80211_freq_range *freq_limits, + unsigned int n_freq_limits, + struct ieee80211_channel *chan) +{ + u32 bw = MHZ_TO_KHZ(20); + int i; + + for (i = 0; i < n_freq_limits; i++) { + struct ieee80211_freq_range *limit = &freq_limits[i]; + + if (cfg80211_does_bw_fit_range(limit, + MHZ_TO_KHZ(chan->center_freq), + bw)) + return true; + } + + return false; +} + +static void wiphy_freq_limits_apply(struct wiphy *wiphy, + struct ieee80211_freq_range *freq_limits, + unsigned int n_freq_limits) +{ + enum nl80211_band band; + int i; + + if (WARN_ON(!n_freq_limits)) + return; + + for (band = 0; band < NUM_NL80211_BANDS; band++) { + struct ieee80211_supported_band *sband = wiphy->bands[band]; + + if (!sband) + continue; + + for (i = 0; i < sband->n_channels; i++) { + struct ieee80211_channel *chan = &sband->channels[i]; + + if (chan->flags & IEEE80211_CHAN_DISABLED) + continue; + + if (!wiphy_freq_limits_valid_chan(wiphy, freq_limits, + n_freq_limits, + chan)) { + pr_debug("Disabling freq %d MHz as it's out of OF limits\n", + chan->center_freq); + chan->flags |= IEEE80211_CHAN_DISABLED; + } + } + } +} + +void wiphy_read_of_freq_limits(struct wiphy *wiphy) +{ + struct device *dev = wiphy_dev(wiphy); + struct device_node *np; + struct property *prop; + struct ieee80211_freq_range *freq_limits; + unsigned int n_freq_limits; + const __be32 *p; + int len, i; + int err = 0; + + if (!dev) + return; + np = dev_of_node(dev); + if (!np) + return; + + prop = of_find_property(np, "ieee80211-freq-limit", &len); + if (!prop) + return; + + if (!len || len % sizeof(u32) || len / sizeof(u32) % 2) { + dev_err(dev, "ieee80211-freq-limit wrong format"); + return; + } + n_freq_limits = len / sizeof(u32) / 2; + + freq_limits = kcalloc(n_freq_limits, sizeof(*freq_limits), GFP_KERNEL); + if (!freq_limits) { + err = -ENOMEM; + goto out_kfree; + } + + p = NULL; + for (i = 0; i < n_freq_limits; i++) { + struct ieee80211_freq_range *limit = &freq_limits[i]; + + p = of_prop_next_u32(prop, p, &limit->start_freq_khz); + if (!p) { + err = -EINVAL; + goto out_kfree; + } + + p = of_prop_next_u32(prop, p, &limit->end_freq_khz); + if (!p) { + err = -EINVAL; + goto out_kfree; + } + + if (!limit->start_freq_khz || + !limit->end_freq_khz || + limit->start_freq_khz >= limit->end_freq_khz) { + err = -EINVAL; + goto out_kfree; + } + } + + wiphy_freq_limits_apply(wiphy, freq_limits, n_freq_limits); + +out_kfree: + kfree(freq_limits); + if (err) + dev_err(dev, "Failed to get limits: %d\n", err); +} +EXPORT_SYMBOL(wiphy_read_of_freq_limits); diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 5dbac3749738..753efcd51fa3 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -748,21 +748,6 @@ static bool is_valid_rd(const struct ieee80211_regdomain *rd) return true; } -static bool reg_does_bw_fit(const struct ieee80211_freq_range *freq_range, - u32 center_freq_khz, u32 bw_khz) -{ - u32 start_freq_khz, end_freq_khz; - - start_freq_khz = center_freq_khz - (bw_khz/2); - end_freq_khz = center_freq_khz + (bw_khz/2); - - if (start_freq_khz >= freq_range->start_freq_khz && - end_freq_khz <= freq_range->end_freq_khz) - return true; - - return false; -} - /** * freq_in_rule_band - tells us if a frequency is in a frequency band * @freq_range: frequency rule we want to query @@ -1070,7 +1055,7 @@ freq_reg_info_regd(u32 center_freq, if (!band_rule_found) band_rule_found = freq_in_rule_band(fr, center_freq); - bw_fits = reg_does_bw_fit(fr, center_freq, bw); + bw_fits = cfg80211_does_bw_fit_range(fr, center_freq, bw); if (band_rule_found && bw_fits) return rr; @@ -1138,11 +1123,13 @@ static uint32_t reg_rule_to_chan_bw_flags(const struct ieee80211_regdomain *regd max_bandwidth_khz = reg_get_max_bandwidth(regd, reg_rule); /* If we get a reg_rule we can assume that at least 5Mhz fit */ - if (!reg_does_bw_fit(freq_range, MHZ_TO_KHZ(chan->center_freq), - MHZ_TO_KHZ(10))) + if (!cfg80211_does_bw_fit_range(freq_range, + MHZ_TO_KHZ(chan->center_freq), + MHZ_TO_KHZ(10))) bw_flags |= IEEE80211_CHAN_NO_10MHZ; - if (!reg_does_bw_fit(freq_range, MHZ_TO_KHZ(chan->center_freq), - MHZ_TO_KHZ(20))) + if (!cfg80211_does_bw_fit_range(freq_range, + MHZ_TO_KHZ(chan->center_freq), + MHZ_TO_KHZ(20))) bw_flags |= IEEE80211_CHAN_NO_20MHZ; if (max_bandwidth_khz < MHZ_TO_KHZ(10)) diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 35ad69fd0838..21be56b3128e 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -227,7 +227,7 @@ void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, ASSERT_RTNL(); if (rdev->scan_msg) { - nl80211_send_scan_result(rdev, rdev->scan_msg); + nl80211_send_scan_msg(rdev, rdev->scan_msg); rdev->scan_msg = NULL; return; } @@ -273,7 +273,7 @@ void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, if (!send_message) rdev->scan_msg = msg; else - nl80211_send_scan_result(rdev, msg); + nl80211_send_scan_msg(rdev, msg); } void __cfg80211_scan_done(struct work_struct *wk) @@ -321,7 +321,8 @@ void __cfg80211_sched_scan_results(struct work_struct *wk) spin_unlock_bh(&rdev->bss_lock); request->scan_start = jiffies; } - nl80211_send_sched_scan_results(rdev, request->dev); + nl80211_send_sched_scan(rdev, request->dev, + NL80211_CMD_SCHED_SCAN_RESULTS); } rtnl_unlock(); @@ -1147,7 +1148,7 @@ cfg80211_inform_bss_frame_data(struct wiphy *wiphy, else rcu_assign_pointer(tmp.pub.beacon_ies, ies); rcu_assign_pointer(tmp.pub.ies, ies); - + memcpy(tmp.pub.bssid, mgmt->bssid, ETH_ALEN); tmp.pub.channel = channel; tmp.pub.scan_width = data->scan_width; diff --git a/net/wireless/sme.c b/net/wireless/sme.c index 5e0d19380302..b347e63d7aaa 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -34,10 +34,11 @@ struct cfg80211_conn { CFG80211_CONN_SCAN_AGAIN, CFG80211_CONN_AUTHENTICATE_NEXT, CFG80211_CONN_AUTHENTICATING, - CFG80211_CONN_AUTH_FAILED, + CFG80211_CONN_AUTH_FAILED_TIMEOUT, CFG80211_CONN_ASSOCIATE_NEXT, CFG80211_CONN_ASSOCIATING, CFG80211_CONN_ASSOC_FAILED, + CFG80211_CONN_ASSOC_FAILED_TIMEOUT, CFG80211_CONN_DEAUTH, CFG80211_CONN_ABANDON, CFG80211_CONN_CONNECTED, @@ -140,7 +141,8 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev) return err; } -static int cfg80211_conn_do_work(struct wireless_dev *wdev) +static int cfg80211_conn_do_work(struct wireless_dev *wdev, + enum nl80211_timeout_reason *treason) { struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); struct cfg80211_connect_params *params; @@ -171,7 +173,8 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev) NULL, 0, params->key, params->key_len, params->key_idx, NULL, 0); - case CFG80211_CONN_AUTH_FAILED: + case CFG80211_CONN_AUTH_FAILED_TIMEOUT: + *treason = NL80211_TIMEOUT_AUTH; return -ENOTCONN; case CFG80211_CONN_ASSOCIATE_NEXT: if (WARN_ON(!rdev->ops->assoc)) @@ -198,6 +201,9 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev) WLAN_REASON_DEAUTH_LEAVING, false); return err; + case CFG80211_CONN_ASSOC_FAILED_TIMEOUT: + *treason = NL80211_TIMEOUT_ASSOC; + /* fall through */ case CFG80211_CONN_ASSOC_FAILED: cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid, NULL, 0, @@ -223,6 +229,7 @@ void cfg80211_conn_work(struct work_struct *work) container_of(work, struct cfg80211_registered_device, conn_work); struct wireless_dev *wdev; u8 bssid_buf[ETH_ALEN], *bssid = NULL; + enum nl80211_timeout_reason treason; rtnl_lock(); @@ -244,10 +251,12 @@ void cfg80211_conn_work(struct work_struct *work) memcpy(bssid_buf, wdev->conn->params.bssid, ETH_ALEN); bssid = bssid_buf; } - if (cfg80211_conn_do_work(wdev)) { + treason = NL80211_TIMEOUT_UNSPECIFIED; + if (cfg80211_conn_do_work(wdev, &treason)) { __cfg80211_connect_result( wdev->netdev, bssid, - NULL, 0, NULL, 0, -1, false, NULL); + NULL, 0, NULL, 0, -1, false, NULL, + treason); } wdev_unlock(wdev); } @@ -352,7 +361,8 @@ void cfg80211_sme_rx_auth(struct wireless_dev *wdev, const u8 *buf, size_t len) } else if (status_code != WLAN_STATUS_SUCCESS) { __cfg80211_connect_result(wdev->netdev, mgmt->bssid, NULL, 0, NULL, 0, - status_code, false, NULL); + status_code, false, NULL, + NL80211_TIMEOUT_UNSPECIFIED); } else if (wdev->conn->state == CFG80211_CONN_AUTHENTICATING) { wdev->conn->state = CFG80211_CONN_ASSOCIATE_NEXT; schedule_work(&rdev->conn_work); @@ -400,7 +410,7 @@ void cfg80211_sme_auth_timeout(struct wireless_dev *wdev) if (!wdev->conn) return; - wdev->conn->state = CFG80211_CONN_AUTH_FAILED; + wdev->conn->state = CFG80211_CONN_AUTH_FAILED_TIMEOUT; schedule_work(&rdev->conn_work); } @@ -422,7 +432,7 @@ void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev) if (!wdev->conn) return; - wdev->conn->state = CFG80211_CONN_ASSOC_FAILED; + wdev->conn->state = CFG80211_CONN_ASSOC_FAILED_TIMEOUT; schedule_work(&rdev->conn_work); } @@ -564,7 +574,9 @@ static int cfg80211_sme_connect(struct wireless_dev *wdev, /* we're good if we have a matching bss struct */ if (bss) { - err = cfg80211_conn_do_work(wdev); + enum nl80211_timeout_reason treason; + + err = cfg80211_conn_do_work(wdev, &treason); cfg80211_put_bss(wdev->wiphy, bss); } else { /* otherwise we'll need to scan for the AP first */ @@ -661,7 +673,8 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, const u8 *req_ie, size_t req_ie_len, const u8 *resp_ie, size_t resp_ie_len, int status, bool wextev, - struct cfg80211_bss *bss) + struct cfg80211_bss *bss, + enum nl80211_timeout_reason timeout_reason) { struct wireless_dev *wdev = dev->ieee80211_ptr; const u8 *country_ie; @@ -680,7 +693,7 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, nl80211_send_connect_result(wiphy_to_rdev(wdev->wiphy), dev, bssid, req_ie, req_ie_len, resp_ie, resp_ie_len, - status, GFP_KERNEL); + status, timeout_reason, GFP_KERNEL); #ifdef CONFIG_CFG80211_WEXT if (wextev) { @@ -727,6 +740,7 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, kzfree(wdev->connect_keys); wdev->connect_keys = NULL; wdev->ssid_len = 0; + wdev->conn_owner_nlportid = 0; if (bss) { cfg80211_unhold_bss(bss_from_pub(bss)); cfg80211_put_bss(wdev->wiphy, bss); @@ -770,7 +784,8 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, void cfg80211_connect_bss(struct net_device *dev, const u8 *bssid, struct cfg80211_bss *bss, const u8 *req_ie, size_t req_ie_len, const u8 *resp_ie, - size_t resp_ie_len, int status, gfp_t gfp) + size_t resp_ie_len, int status, gfp_t gfp, + enum nl80211_timeout_reason timeout_reason) { struct wireless_dev *wdev = dev->ieee80211_ptr; struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); @@ -810,6 +825,7 @@ void cfg80211_connect_bss(struct net_device *dev, const u8 *bssid, cfg80211_hold_bss(bss_from_pub(bss)); ev->cr.bss = bss; ev->cr.status = status; + ev->cr.timeout_reason = timeout_reason; spin_lock_irqsave(&wdev->event_lock, flags); list_add_tail(&ev->list, &wdev->event_list); @@ -955,6 +971,7 @@ void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, wdev->current_bss = NULL; wdev->ssid_len = 0; + wdev->conn_owner_nlportid = 0; nl80211_send_disconnected(rdev, dev, reason, ie, ie_len, from_ap); @@ -1098,6 +1115,8 @@ int cfg80211_disconnect(struct cfg80211_registered_device *rdev, kzfree(wdev->connect_keys); wdev->connect_keys = NULL; + wdev->conn_owner_nlportid = 0; + if (wdev->conn) err = cfg80211_sme_disconnect(wdev, reason); else if (!rdev->ops->disconnect) @@ -1107,3 +1126,32 @@ int cfg80211_disconnect(struct cfg80211_registered_device *rdev, return err; } + +/* + * Used to clean up after the connection / connection attempt owner socket + * disconnects + */ +void cfg80211_autodisconnect_wk(struct work_struct *work) +{ + struct wireless_dev *wdev = + container_of(work, struct wireless_dev, disconnect_wk); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); + + wdev_lock(wdev); + + if (wdev->conn_owner_nlportid) { + /* + * Use disconnect_bssid if still connecting and ops->disconnect + * not implemented. Otherwise we can use cfg80211_disconnect. + */ + if (rdev->ops->disconnect || wdev->current_bss) + cfg80211_disconnect(rdev, wdev->netdev, + WLAN_REASON_DEAUTH_LEAVING, true); + else + cfg80211_mlme_deauth(rdev, wdev->netdev, + wdev->disconnect_bssid, NULL, 0, + WLAN_REASON_DEAUTH_LEAVING, false); + } + + wdev_unlock(wdev); +} diff --git a/net/wireless/sysfs.c b/net/wireless/sysfs.c index 14b3f007826d..16b6b5988be9 100644 --- a/net/wireless/sysfs.c +++ b/net/wireless/sysfs.c @@ -39,9 +39,11 @@ SHOW_FMT(address_mask, "%pM", wiphy.addr_mask); static ssize_t name_show(struct device *dev, struct device_attribute *attr, - char *buf) { + char *buf) +{ struct wiphy *wiphy = &dev_to_rdev(dev)->wiphy; - return sprintf(buf, "%s\n", dev_name(&wiphy->dev)); + + return sprintf(buf, "%s\n", wiphy_name(wiphy)); } static DEVICE_ATTR_RO(name); diff --git a/net/wireless/trace.h b/net/wireless/trace.h index ea1b47e04fa4..776e80cef9b4 100644 --- a/net/wireless/trace.h +++ b/net/wireless/trace.h @@ -1915,18 +1915,18 @@ TRACE_EVENT(rdev_start_nan, WIPHY_ENTRY WDEV_ENTRY __field(u8, master_pref) - __field(u8, dual); + __field(u8, bands); ), TP_fast_assign( WIPHY_ASSIGN; WDEV_ASSIGN; __entry->master_pref = conf->master_pref; - __entry->dual = conf->dual; + __entry->bands = conf->bands; ), TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT - ", master preference: %u, dual: %d", + ", master preference: %u, bands: 0x%0x", WIPHY_PR_ARG, WDEV_PR_ARG, __entry->master_pref, - __entry->dual) + __entry->bands) ); TRACE_EVENT(rdev_nan_change_conf, @@ -1937,20 +1937,20 @@ TRACE_EVENT(rdev_nan_change_conf, WIPHY_ENTRY WDEV_ENTRY __field(u8, master_pref) - __field(u8, dual); + __field(u8, bands); __field(u32, changes); ), TP_fast_assign( WIPHY_ASSIGN; WDEV_ASSIGN; __entry->master_pref = conf->master_pref; - __entry->dual = conf->dual; + __entry->bands = conf->bands; __entry->changes = changes; ), TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT - ", master preference: %u, dual: %d, changes: %x", + ", master preference: %u, bands: 0x%0x, changes: %x", WIPHY_PR_ARG, WDEV_PR_ARG, __entry->master_pref, - __entry->dual, __entry->changes) + __entry->bands, __entry->changes) ); DEFINE_EVENT(wiphy_wdev_evt, rdev_stop_nan, @@ -2490,18 +2490,21 @@ TRACE_EVENT(cfg80211_mgmt_tx_status, TRACE_EVENT(cfg80211_cqm_rssi_notify, TP_PROTO(struct net_device *netdev, - enum nl80211_cqm_rssi_threshold_event rssi_event), - TP_ARGS(netdev, rssi_event), + enum nl80211_cqm_rssi_threshold_event rssi_event, + s32 rssi_level), + TP_ARGS(netdev, rssi_event, rssi_level), TP_STRUCT__entry( NETDEV_ENTRY __field(enum nl80211_cqm_rssi_threshold_event, rssi_event) + __field(s32, rssi_level) ), TP_fast_assign( NETDEV_ASSIGN; __entry->rssi_event = rssi_event; + __entry->rssi_level = rssi_level; ), - TP_printk(NETDEV_PR_FMT ", rssi event: %d", - NETDEV_PR_ARG, __entry->rssi_event) + TP_printk(NETDEV_PR_FMT ", rssi event: %d, level: %d", + NETDEV_PR_ARG, __entry->rssi_event, __entry->rssi_level) ); TRACE_EVENT(cfg80211_reg_can_beacon, diff --git a/net/wireless/util.c b/net/wireless/util.c index e9d040d29846..68e5f2ecee1a 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -114,8 +114,7 @@ int ieee80211_frequency_to_channel(int freq) } EXPORT_SYMBOL(ieee80211_frequency_to_channel); -struct ieee80211_channel *__ieee80211_get_channel(struct wiphy *wiphy, - int freq) +struct ieee80211_channel *ieee80211_get_channel(struct wiphy *wiphy, int freq) { enum nl80211_band band; struct ieee80211_supported_band *sband; @@ -135,14 +134,13 @@ struct ieee80211_channel *__ieee80211_get_channel(struct wiphy *wiphy, return NULL; } -EXPORT_SYMBOL(__ieee80211_get_channel); +EXPORT_SYMBOL(ieee80211_get_channel); -static void set_mandatory_flags_band(struct ieee80211_supported_band *sband, - enum nl80211_band band) +static void set_mandatory_flags_band(struct ieee80211_supported_band *sband) { int i, want; - switch (band) { + switch (sband->band) { case NL80211_BAND_5GHZ: want = 3; for (i = 0; i < sband->n_bitrates; i++) { @@ -192,6 +190,7 @@ static void set_mandatory_flags_band(struct ieee80211_supported_band *sband, WARN_ON((sband->ht_cap.mcs.rx_mask[0] & 0x1e) != 0x1e); break; case NUM_NL80211_BANDS: + default: WARN_ON(1); break; } @@ -203,7 +202,7 @@ void ieee80211_set_bitrate_flags(struct wiphy *wiphy) for (band = 0; band < NUM_NL80211_BANDS; band++) if (wiphy->bands[band]) - set_mandatory_flags_band(wiphy->bands[band], band); + set_mandatory_flags_band(wiphy->bands[band]); } bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher) @@ -619,8 +618,6 @@ int ieee80211_data_from_8023(struct sk_buff *skb, const u8 *addr, if (pskb_expand_head(skb, head_need, 0, GFP_ATOMIC)) return -ENOMEM; - - skb->truesize += head_need; } if (encaps_data) { @@ -952,7 +949,7 @@ void cfg80211_process_wdev_events(struct wireless_dev *wdev) ev->cr.resp_ie, ev->cr.resp_ie_len, ev->cr.status, ev->cr.status == WLAN_STATUS_SUCCESS, - ev->cr.bss); + ev->cr.bss, ev->cr.timeout_reason); break; case EVENT_ROAMED: __cfg80211_roamed(wdev, ev->rm.bss, ev->rm.req_ie, @@ -1848,6 +1845,21 @@ void cfg80211_free_nan_func(struct cfg80211_nan_func *f) } EXPORT_SYMBOL(cfg80211_free_nan_func); +bool cfg80211_does_bw_fit_range(const struct ieee80211_freq_range *freq_range, + u32 center_freq_khz, u32 bw_khz) +{ + u32 start_freq_khz, end_freq_khz; + + start_freq_khz = center_freq_khz - (bw_khz / 2); + end_freq_khz = center_freq_khz + (bw_khz / 2); + + if (start_freq_khz >= freq_range->start_freq_khz && + end_freq_khz <= freq_range->end_freq_khz) + return true; + + return false; +} + /* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */ /* Ethernet-II snap header (RFC1042 for most EtherTypes) */ const unsigned char rfc1042_header[] __aligned(2) = diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c index 6250b1cfcde5..1a4db6790e20 100644 --- a/net/wireless/wext-core.c +++ b/net/wireless/wext-core.c @@ -1119,3 +1119,70 @@ int compat_wext_handle_ioctl(struct net *net, unsigned int cmd, return ret; } #endif + +char *iwe_stream_add_event(struct iw_request_info *info, char *stream, + char *ends, struct iw_event *iwe, int event_len) +{ + int lcp_len = iwe_stream_lcp_len(info); + + event_len = iwe_stream_event_len_adjust(info, event_len); + + /* Check if it's possible */ + if (likely((stream + event_len) < ends)) { + iwe->len = event_len; + /* Beware of alignement issues on 64 bits */ + memcpy(stream, (char *) iwe, IW_EV_LCP_PK_LEN); + memcpy(stream + lcp_len, &iwe->u, + event_len - lcp_len); + stream += event_len; + } + + return stream; +} +EXPORT_SYMBOL(iwe_stream_add_event); + +char *iwe_stream_add_point(struct iw_request_info *info, char *stream, + char *ends, struct iw_event *iwe, char *extra) +{ + int event_len = iwe_stream_point_len(info) + iwe->u.data.length; + int point_len = iwe_stream_point_len(info); + int lcp_len = iwe_stream_lcp_len(info); + + /* Check if it's possible */ + if (likely((stream + event_len) < ends)) { + iwe->len = event_len; + memcpy(stream, (char *) iwe, IW_EV_LCP_PK_LEN); + memcpy(stream + lcp_len, + ((char *) &iwe->u) + IW_EV_POINT_OFF, + IW_EV_POINT_PK_LEN - IW_EV_LCP_PK_LEN); + if (iwe->u.data.length && extra) + memcpy(stream + point_len, extra, iwe->u.data.length); + stream += event_len; + } + + return stream; +} +EXPORT_SYMBOL(iwe_stream_add_point); + +char *iwe_stream_add_value(struct iw_request_info *info, char *event, + char *value, char *ends, struct iw_event *iwe, + int event_len) +{ + int lcp_len = iwe_stream_lcp_len(info); + + /* Don't duplicate LCP */ + event_len -= IW_EV_LCP_LEN; + + /* Check if it's possible */ + if (likely((value + event_len) < ends)) { + /* Add new value */ + memcpy(value, &iwe->u, event_len); + value += event_len; + /* Patch LCP */ + iwe->len = value - event; + memcpy(event, (char *) iwe, lcp_len); + } + + return value; +} +EXPORT_SYMBOL(iwe_stream_add_value); diff --git a/net/wireless/wext-sme.c b/net/wireless/wext-sme.c index 995163830a61..c434f193f39a 100644 --- a/net/wireless/wext-sme.c +++ b/net/wireless/wext-sme.c @@ -105,30 +105,7 @@ int cfg80211_mgd_wext_siwfreq(struct net_device *dev, goto out; } - wdev->wext.connect.channel = chan; - - /* - * SSID is not set, we just want to switch monitor channel, - * this is really just backward compatibility, if the SSID - * is set then we use the channel to select the BSS to use - * to connect to instead. If we were connected on another - * channel we disconnected above and reconnect below. - */ - if (chan && !wdev->wext.connect.ssid_len) { - struct cfg80211_chan_def chandef = { - .width = NL80211_CHAN_WIDTH_20_NOHT, - .center_freq1 = freq, - }; - - chandef.chan = ieee80211_get_channel(&rdev->wiphy, freq); - if (chandef.chan) - err = cfg80211_set_monitor_channel(rdev, &chandef); - else - err = -EINVAL; - goto out; - } - err = cfg80211_mgd_wext_connect(rdev, wdev); out: wdev_unlock(wdev); |