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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-23 11:47:02 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-23 11:47:02 -0700 |
commit | 5f05647dd81c11a6a165ccc8f0c1370b16f3bcb0 (patch) | |
tree | 7851ef1c93aa1aba7ef327ca4b75fd35e6d10f29 /net/wireless | |
parent | 02f36038c568111ad4fc433f6fa760ff5e38fab4 (diff) | |
parent | ec37a48d1d16c30b655ac5280209edf52a6775d4 (diff) | |
download | linux-5f05647dd81c11a6a165ccc8f0c1370b16f3bcb0.tar.gz linux-5f05647dd81c11a6a165ccc8f0c1370b16f3bcb0.tar.bz2 linux-5f05647dd81c11a6a165ccc8f0c1370b16f3bcb0.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1699 commits)
bnx2/bnx2x: Unsupported Ethtool operations should return -EINVAL.
vlan: Calling vlan_hwaccel_do_receive() is always valid.
tproxy: use the interface primary IP address as a default value for --on-ip
tproxy: added IPv6 support to the socket match
cxgb3: function namespace cleanup
tproxy: added IPv6 support to the TPROXY target
tproxy: added IPv6 socket lookup function to nf_tproxy_core
be2net: Changes to use only priority codes allowed by f/w
tproxy: allow non-local binds of IPv6 sockets if IP_TRANSPARENT is enabled
tproxy: added tproxy sockopt interface in the IPV6 layer
tproxy: added udp6_lib_lookup function
tproxy: added const specifiers to udp lookup functions
tproxy: split off ipv6 defragmentation to a separate module
l2tp: small cleanup
nf_nat: restrict ICMP translation for embedded header
can: mcp251x: fix generation of error frames
can: mcp251x: fix endless loop in interrupt handler if CANINTF_MERRF is set
can-raw: add msg_flags to distinguish local traffic
9p: client code cleanup
rds: make local functions/variables static
...
Fix up conflicts in net/core/dev.c, drivers/net/pcmcia/smc91c92_cs.c and
drivers/net/wireless/ath/ath9k/debug.c as per David
Diffstat (limited to 'net/wireless')
-rw-r--r-- | net/wireless/core.c | 66 | ||||
-rw-r--r-- | net/wireless/core.h | 34 | ||||
-rw-r--r-- | net/wireless/ibss.c | 21 | ||||
-rw-r--r-- | net/wireless/mlme.c | 225 | ||||
-rw-r--r-- | net/wireless/nl80211.c | 2189 | ||||
-rw-r--r-- | net/wireless/nl80211.h | 14 | ||||
-rw-r--r-- | net/wireless/radiotap.c | 61 | ||||
-rw-r--r-- | net/wireless/reg.c | 22 | ||||
-rw-r--r-- | net/wireless/scan.c | 12 | ||||
-rw-r--r-- | net/wireless/sme.c | 11 | ||||
-rw-r--r-- | net/wireless/sysfs.c | 18 | ||||
-rw-r--r-- | net/wireless/util.c | 40 | ||||
-rw-r--r-- | net/wireless/wext-compat.c | 42 | ||||
-rw-r--r-- | net/wireless/wext-core.c | 2 | ||||
-rw-r--r-- | net/wireless/wext-sme.c | 2 |
15 files changed, 1196 insertions, 1563 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c index d6d046b9f6f2..9c21ebf9780e 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -253,11 +253,16 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, WARN_ON(err); wdev->netdev->features |= NETIF_F_NETNS_LOCAL; } + + return err; } wiphy_net_set(&rdev->wiphy, net); - return err; + err = device_rename(&rdev->wiphy.dev, dev_name(&rdev->wiphy.dev)); + WARN_ON(err); + + return 0; } static void cfg80211_rfkill_poll(struct rfkill *rfkill, void *data) @@ -428,7 +433,7 @@ int wiphy_register(struct wiphy *wiphy) /* sanity check ifmodes */ WARN_ON(!ifmodes); - ifmodes &= ((1 << __NL80211_IFTYPE_AFTER_LAST) - 1) & ~1; + ifmodes &= ((1 << NUM_NL80211_IFTYPES) - 1) & ~1; if (WARN_ON(ifmodes != wiphy->interface_modes)) wiphy->interface_modes = ifmodes; @@ -683,8 +688,8 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb, INIT_WORK(&wdev->cleanup_work, wdev_cleanup_work); INIT_LIST_HEAD(&wdev->event_list); spin_lock_init(&wdev->event_lock); - INIT_LIST_HEAD(&wdev->action_registrations); - spin_lock_init(&wdev->action_registrations_lock); + INIT_LIST_HEAD(&wdev->mgmt_registrations); + spin_lock_init(&wdev->mgmt_registrations_lock); mutex_lock(&rdev->devlist_mtx); list_add_rcu(&wdev->list, &rdev->netdev_list); @@ -724,6 +729,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb, dev->ethtool_ops = &cfg80211_ethtool_ops; if ((wdev->iftype == NL80211_IFTYPE_STATION || + wdev->iftype == NL80211_IFTYPE_P2P_CLIENT || wdev->iftype == NL80211_IFTYPE_ADHOC) && !wdev->use_4addr) dev->priv_flags |= IFF_DONT_BRIDGE; break; @@ -732,6 +738,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb, case NL80211_IFTYPE_ADHOC: cfg80211_leave_ibss(rdev, dev, true); break; + case NL80211_IFTYPE_P2P_CLIENT: case NL80211_IFTYPE_STATION: wdev_lock(wdev); #ifdef CONFIG_CFG80211_WEXT @@ -804,7 +811,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb, sysfs_remove_link(&dev->dev.kobj, "phy80211"); list_del_rcu(&wdev->list); rdev->devlist_generation++; - cfg80211_mlme_purge_actions(wdev); + cfg80211_mlme_purge_registrations(wdev); #ifdef CONFIG_CFG80211_WEXT kfree(wdev->wext.keys); #endif @@ -910,52 +917,3 @@ static void __exit cfg80211_exit(void) destroy_workqueue(cfg80211_wq); } module_exit(cfg80211_exit); - -static int ___wiphy_printk(const char *level, const struct wiphy *wiphy, - struct va_format *vaf) -{ - if (!wiphy) - return printk("%s(NULL wiphy *): %pV", level, vaf); - - return printk("%s%s: %pV", level, wiphy_name(wiphy), vaf); -} - -int __wiphy_printk(const char *level, const struct wiphy *wiphy, - const char *fmt, ...) -{ - struct va_format vaf; - va_list args; - int r; - - va_start(args, fmt); - - vaf.fmt = fmt; - vaf.va = &args; - - r = ___wiphy_printk(level, wiphy, &vaf); - va_end(args); - - return r; -} -EXPORT_SYMBOL(__wiphy_printk); - -#define define_wiphy_printk_level(func, kern_level) \ -int func(const struct wiphy *wiphy, const char *fmt, ...) \ -{ \ - struct va_format vaf; \ - va_list args; \ - int r; \ - \ - va_start(args, fmt); \ - \ - vaf.fmt = fmt; \ - vaf.va = &args; \ - \ - r = ___wiphy_printk(kern_level, wiphy, &vaf); \ - va_end(args); \ - \ - return r; \ -} \ -EXPORT_SYMBOL(func); - -define_wiphy_printk_level(wiphy_debug, KERN_DEBUG); diff --git a/net/wireless/core.h b/net/wireless/core.h index 63d57ae399c3..6583cca0e2ee 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -86,7 +86,7 @@ struct cfg80211_registered_device *wiphy_to_dev(struct wiphy *wiphy) static inline bool wiphy_idx_valid(int wiphy_idx) { - return (wiphy_idx >= 0); + return wiphy_idx >= 0; } @@ -95,7 +95,10 @@ extern struct mutex cfg80211_mutex; extern struct list_head cfg80211_rdev_list; extern int cfg80211_rdev_list_generation; -#define assert_cfg80211_lock() WARN_ON(!mutex_is_locked(&cfg80211_mutex)) +static inline void assert_cfg80211_lock(void) +{ + lockdep_assert_held(&cfg80211_mutex); +} /* * You can use this to mark a wiphy_idx as not having an associated wiphy. @@ -202,8 +205,8 @@ static inline void wdev_unlock(struct wireless_dev *wdev) mutex_unlock(&wdev->mtx); } -#define ASSERT_RDEV_LOCK(rdev) WARN_ON(!mutex_is_locked(&(rdev)->mtx)); -#define ASSERT_WDEV_LOCK(wdev) WARN_ON(!mutex_is_locked(&(wdev)->mtx)); +#define ASSERT_RDEV_LOCK(rdev) lockdep_assert_held(&(rdev)->mtx) +#define ASSERT_WDEV_LOCK(wdev) lockdep_assert_held(&(wdev)->mtx) enum cfg80211_event_type { EVENT_CONNECT_RESULT, @@ -331,16 +334,17 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, const u8 *resp_ie, size_t resp_ie_len, u16 status, bool wextev, struct cfg80211_bss *bss); -int cfg80211_mlme_register_action(struct wireless_dev *wdev, u32 snd_pid, - const u8 *match_data, int match_len); -void cfg80211_mlme_unregister_actions(struct wireless_dev *wdev, u32 nlpid); -void cfg80211_mlme_purge_actions(struct wireless_dev *wdev); -int cfg80211_mlme_action(struct cfg80211_registered_device *rdev, - struct net_device *dev, - struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type, - bool channel_type_valid, - const u8 *buf, size_t len, u64 *cookie); +int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid, + u16 frame_type, const u8 *match_data, + int match_len); +void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid); +void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev); +int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, + struct net_device *dev, + struct ieee80211_channel *chan, + enum nl80211_channel_type channel_type, + bool channel_type_valid, + const u8 *buf, size_t len, u64 *cookie); /* SME */ int __cfg80211_connect(struct cfg80211_registered_device *rdev, @@ -371,7 +375,7 @@ bool cfg80211_sme_failed_reassoc(struct wireless_dev *wdev); /* internal helpers */ int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev, struct key_params *params, int key_idx, - const u8 *mac_addr); + bool pairwise, const u8 *mac_addr); 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); diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c index 27a8ce9343c3..f33fbb79437c 100644 --- a/net/wireless/ibss.c +++ b/net/wireless/ibss.c @@ -88,6 +88,25 @@ int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev, if (wdev->ssid_len) return -EALREADY; + if (!params->basic_rates) { + /* + * If no rates were explicitly configured, + * use the mandatory rate set for 11b or + * 11a for maximum compatibility. + */ + struct ieee80211_supported_band *sband = + rdev->wiphy.bands[params->channel->band]; + int j; + u32 flag = params->channel->band == IEEE80211_BAND_5GHZ ? + IEEE80211_RATE_MANDATORY_A : + IEEE80211_RATE_MANDATORY_B; + + for (j = 0; j < sband->n_bitrates; j++) { + if (sband->bitrates[j].flags & flag) + params->basic_rates |= BIT(j); + } + } + if (WARN_ON(wdev->connect_keys)) kfree(wdev->connect_keys); wdev->connect_keys = connkeys; @@ -141,7 +160,7 @@ static void __cfg80211_clear_ibss(struct net_device *dev, bool nowext) */ if (rdev->ops->del_key) for (i = 0; i < 6; i++) - rdev->ops->del_key(wdev->wiphy, dev, i, NULL); + rdev->ops->del_key(wdev->wiphy, dev, i, false, NULL); if (wdev->current_bss) { cfg80211_unhold_bss(wdev->current_bss); diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c index d1a3fb99fdf2..26838d903b9a 100644 --- a/net/wireless/mlme.c +++ b/net/wireless/mlme.c @@ -149,7 +149,7 @@ void __cfg80211_send_deauth(struct net_device *dev, struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; const u8 *bssid = mgmt->bssid; int i; - bool found = false; + bool found = false, was_current = false; ASSERT_WDEV_LOCK(wdev); @@ -159,6 +159,7 @@ void __cfg80211_send_deauth(struct net_device *dev, 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) { @@ -183,7 +184,7 @@ void __cfg80211_send_deauth(struct net_device *dev, nl80211_send_deauth(rdev, dev, buf, len, GFP_KERNEL); - if (wdev->sme_state == CFG80211_SME_CONNECTED) { + if (wdev->sme_state == CFG80211_SME_CONNECTED && was_current) { u16 reason_code; bool from_ap; @@ -747,31 +748,53 @@ void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, } EXPORT_SYMBOL(cfg80211_new_sta); -struct cfg80211_action_registration { +struct cfg80211_mgmt_registration { struct list_head list; u32 nlpid; int match_len; + __le16 frame_type; + u8 match[]; }; -int cfg80211_mlme_register_action(struct wireless_dev *wdev, u32 snd_pid, - const u8 *match_data, int match_len) +int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid, + u16 frame_type, const u8 *match_data, + int match_len) { - struct cfg80211_action_registration *reg, *nreg; + struct wiphy *wiphy = wdev->wiphy; + struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_mgmt_registration *reg, *nreg; int err = 0; + u16 mgmt_type; + + if (!wdev->wiphy->mgmt_stypes) + return -EOPNOTSUPP; + + if ((frame_type & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT) + return -EINVAL; + + if (frame_type & ~(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) + return -EINVAL; + + mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4; + if (!(wdev->wiphy->mgmt_stypes[wdev->iftype].rx & BIT(mgmt_type))) + return -EINVAL; nreg = kzalloc(sizeof(*reg) + match_len, GFP_KERNEL); if (!nreg) return -ENOMEM; - spin_lock_bh(&wdev->action_registrations_lock); + spin_lock_bh(&wdev->mgmt_registrations_lock); - list_for_each_entry(reg, &wdev->action_registrations, list) { + list_for_each_entry(reg, &wdev->mgmt_registrations, list) { int mlen = min(match_len, reg->match_len); + if (frame_type != le16_to_cpu(reg->frame_type)) + continue; + if (memcmp(reg->match, match_data, mlen) == 0) { err = -EALREADY; break; @@ -786,140 +809,212 @@ int cfg80211_mlme_register_action(struct wireless_dev *wdev, u32 snd_pid, memcpy(nreg->match, match_data, match_len); nreg->match_len = match_len; nreg->nlpid = snd_pid; - list_add(&nreg->list, &wdev->action_registrations); + nreg->frame_type = cpu_to_le16(frame_type); + list_add(&nreg->list, &wdev->mgmt_registrations); + + if (rdev->ops->mgmt_frame_register) + rdev->ops->mgmt_frame_register(wiphy, wdev->netdev, + frame_type, true); out: - spin_unlock_bh(&wdev->action_registrations_lock); + spin_unlock_bh(&wdev->mgmt_registrations_lock); + return err; } -void cfg80211_mlme_unregister_actions(struct wireless_dev *wdev, u32 nlpid) +void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid) { - struct cfg80211_action_registration *reg, *tmp; + struct wiphy *wiphy = wdev->wiphy; + struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_mgmt_registration *reg, *tmp; - spin_lock_bh(&wdev->action_registrations_lock); + spin_lock_bh(&wdev->mgmt_registrations_lock); - list_for_each_entry_safe(reg, tmp, &wdev->action_registrations, list) { - if (reg->nlpid == nlpid) { - list_del(®->list); - kfree(reg); + list_for_each_entry_safe(reg, tmp, &wdev->mgmt_registrations, list) { + if (reg->nlpid != nlpid) + continue; + + if (rdev->ops->mgmt_frame_register) { + u16 frame_type = le16_to_cpu(reg->frame_type); + + rdev->ops->mgmt_frame_register(wiphy, wdev->netdev, + frame_type, false); } + + list_del(®->list); + kfree(reg); } - spin_unlock_bh(&wdev->action_registrations_lock); + spin_unlock_bh(&wdev->mgmt_registrations_lock); } -void cfg80211_mlme_purge_actions(struct wireless_dev *wdev) +void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev) { - struct cfg80211_action_registration *reg, *tmp; + struct cfg80211_mgmt_registration *reg, *tmp; - spin_lock_bh(&wdev->action_registrations_lock); + spin_lock_bh(&wdev->mgmt_registrations_lock); - list_for_each_entry_safe(reg, tmp, &wdev->action_registrations, list) { + list_for_each_entry_safe(reg, tmp, &wdev->mgmt_registrations, list) { list_del(®->list); kfree(reg); } - spin_unlock_bh(&wdev->action_registrations_lock); + spin_unlock_bh(&wdev->mgmt_registrations_lock); } -int cfg80211_mlme_action(struct cfg80211_registered_device *rdev, - struct net_device *dev, - struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type, - bool channel_type_valid, - const u8 *buf, size_t len, u64 *cookie) +int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, + struct net_device *dev, + struct ieee80211_channel *chan, + enum nl80211_channel_type channel_type, + bool channel_type_valid, + const u8 *buf, size_t len, u64 *cookie) { struct wireless_dev *wdev = dev->ieee80211_ptr; const struct ieee80211_mgmt *mgmt; + u16 stype; - if (rdev->ops->action == NULL) + if (!wdev->wiphy->mgmt_stypes) return -EOPNOTSUPP; + + if (!rdev->ops->mgmt_tx) + return -EOPNOTSUPP; + if (len < 24 + 1) return -EINVAL; mgmt = (const struct ieee80211_mgmt *) buf; - if (!ieee80211_is_action(mgmt->frame_control)) + + if (!ieee80211_is_mgmt(mgmt->frame_control)) return -EINVAL; - if (mgmt->u.action.category != WLAN_CATEGORY_PUBLIC) { - /* Verify that we are associated with the destination AP */ + + stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE; + if (!(wdev->wiphy->mgmt_stypes[wdev->iftype].tx & BIT(stype >> 4))) + return -EINVAL; + + if (ieee80211_is_action(mgmt->frame_control) && + mgmt->u.action.category != WLAN_CATEGORY_PUBLIC) { + int err = 0; + wdev_lock(wdev); - if (!wdev->current_bss || - memcmp(wdev->current_bss->pub.bssid, mgmt->bssid, - ETH_ALEN) != 0 || - (wdev->iftype == NL80211_IFTYPE_STATION && - memcmp(wdev->current_bss->pub.bssid, mgmt->da, - ETH_ALEN) != 0)) { - wdev_unlock(wdev); - return -ENOTCONN; - } + switch (wdev->iftype) { + case NL80211_IFTYPE_ADHOC: + case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_P2P_CLIENT: + if (!wdev->current_bss) { + err = -ENOTCONN; + break; + } + + if (memcmp(wdev->current_bss->pub.bssid, + mgmt->bssid, ETH_ALEN)) { + err = -ENOTCONN; + break; + } + + /* + * check for IBSS DA must be done by driver as + * cfg80211 doesn't track the stations + */ + if (wdev->iftype == NL80211_IFTYPE_ADHOC) + break; + /* for station, check that DA is the AP */ + if (memcmp(wdev->current_bss->pub.bssid, + mgmt->da, ETH_ALEN)) { + err = -ENOTCONN; + break; + } + break; + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_P2P_GO: + case NL80211_IFTYPE_AP_VLAN: + if (memcmp(mgmt->bssid, dev->dev_addr, ETH_ALEN)) + err = -EINVAL; + break; + default: + err = -EOPNOTSUPP; + break; + } wdev_unlock(wdev); + + if (err) + return err; } if (memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0) return -EINVAL; /* Transmit the Action frame as requested by user space */ - return rdev->ops->action(&rdev->wiphy, dev, chan, channel_type, - channel_type_valid, buf, len, cookie); + return rdev->ops->mgmt_tx(&rdev->wiphy, dev, chan, channel_type, + channel_type_valid, buf, len, cookie); } -bool cfg80211_rx_action(struct net_device *dev, int freq, const u8 *buf, - size_t len, gfp_t gfp) +bool cfg80211_rx_mgmt(struct net_device *dev, int freq, const u8 *buf, + size_t len, gfp_t gfp) { struct wireless_dev *wdev = dev->ieee80211_ptr; struct wiphy *wiphy = wdev->wiphy; struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - struct cfg80211_action_registration *reg; - const u8 *action_data; - int action_data_len; + struct cfg80211_mgmt_registration *reg; + const struct ieee80211_txrx_stypes *stypes = + &wiphy->mgmt_stypes[wdev->iftype]; + struct ieee80211_mgmt *mgmt = (void *)buf; + const u8 *data; + int data_len; bool result = false; + __le16 ftype = mgmt->frame_control & + cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE); + u16 stype; - /* frame length - min size excluding category */ - action_data_len = len - (IEEE80211_MIN_ACTION_SIZE - 1); + stype = (le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE) >> 4; - /* action data starts with category */ - action_data = buf + IEEE80211_MIN_ACTION_SIZE - 1; + if (!(stypes->rx & BIT(stype))) + return false; - spin_lock_bh(&wdev->action_registrations_lock); + data = buf + ieee80211_hdrlen(mgmt->frame_control); + data_len = len - ieee80211_hdrlen(mgmt->frame_control); + + spin_lock_bh(&wdev->mgmt_registrations_lock); + + list_for_each_entry(reg, &wdev->mgmt_registrations, list) { + if (reg->frame_type != ftype) + continue; - list_for_each_entry(reg, &wdev->action_registrations, list) { - if (reg->match_len > action_data_len) + if (reg->match_len > data_len) continue; - if (memcmp(reg->match, action_data, reg->match_len)) + if (memcmp(reg->match, data, reg->match_len)) continue; /* found match! */ /* Indicate the received Action frame to user space */ - if (nl80211_send_action(rdev, dev, reg->nlpid, freq, - buf, len, gfp)) + if (nl80211_send_mgmt(rdev, dev, reg->nlpid, freq, + buf, len, gfp)) continue; result = true; break; } - spin_unlock_bh(&wdev->action_registrations_lock); + spin_unlock_bh(&wdev->mgmt_registrations_lock); return result; } -EXPORT_SYMBOL(cfg80211_rx_action); +EXPORT_SYMBOL(cfg80211_rx_mgmt); -void cfg80211_action_tx_status(struct net_device *dev, u64 cookie, - const u8 *buf, size_t len, bool ack, gfp_t gfp) +void cfg80211_mgmt_tx_status(struct net_device *dev, u64 cookie, + const u8 *buf, size_t len, bool ack, gfp_t gfp) { struct wireless_dev *wdev = dev->ieee80211_ptr; struct wiphy *wiphy = wdev->wiphy; struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); /* Indicate TX status of the Action frame to user space */ - nl80211_send_action_tx_status(rdev, dev, cookie, buf, len, ack, gfp); + nl80211_send_mgmt_tx_status(rdev, dev, cookie, buf, len, ack, gfp); } -EXPORT_SYMBOL(cfg80211_action_tx_status); +EXPORT_SYMBOL(cfg80211_mgmt_tx_status); void cfg80211_cqm_rssi_notify(struct net_device *dev, enum nl80211_cqm_rssi_threshold_event rssi_event, diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 37902a54e9c1..c506241f8637 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -23,6 +23,11 @@ #include "nl80211.h" #include "reg.h" +static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, + struct genl_info *info); +static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb, + struct genl_info *info); + /* the netlink family */ static struct genl_family nl80211_fam = { .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */ @@ -31,6 +36,8 @@ static struct genl_family nl80211_fam = { .version = 1, /* no particular meaning now */ .maxattr = NL80211_ATTR_MAX, .netnsok = true, + .pre_doit = nl80211_pre_doit, + .post_doit = nl80211_post_doit, }; /* internal helper: get rdev and dev */ @@ -86,6 +93,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 }, [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG }, [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 8 }, + [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 }, [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 }, [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 }, @@ -136,6 +144,8 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { .len = sizeof(struct nl80211_sta_flag_update), }, [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG }, + [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 }, + [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG }, [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG }, [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 }, [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 }, @@ -156,9 +166,10 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 }, [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 }, + [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 }, }; -/* policy for the attributes */ +/* policy for the key attributes */ static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, [NL80211_KEY_IDX] = { .type = NLA_U8 }, @@ -166,6 +177,7 @@ static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 8 }, [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, + [NL80211_KEY_TYPE] = { .type = NLA_U32 }, }; /* ifidx get helper */ @@ -188,6 +200,47 @@ static int nl80211_get_ifidx(struct netlink_callback *cb) return res; } +static int nl80211_prepare_netdev_dump(struct sk_buff *skb, + struct netlink_callback *cb, + struct cfg80211_registered_device **rdev, + struct net_device **dev) +{ + int ifidx = cb->args[0]; + int err; + + if (!ifidx) + ifidx = nl80211_get_ifidx(cb); + if (ifidx < 0) + return ifidx; + + cb->args[0] = ifidx; + + rtnl_lock(); + + *dev = __dev_get_by_index(sock_net(skb->sk), ifidx); + if (!*dev) { + err = -ENODEV; + goto out_rtnl; + } + + *rdev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx); + if (IS_ERR(dev)) { + err = PTR_ERR(dev); + goto out_rtnl; + } + + return 0; + out_rtnl: + rtnl_unlock(); + return err; +} + +static void nl80211_finish_netdev_dump(struct cfg80211_registered_device *rdev) +{ + cfg80211_unlock_rdev(rdev); + rtnl_unlock(); +} + /* IE validation */ static bool is_valid_ie_attr(const struct nlattr *attr) { @@ -255,6 +308,7 @@ static int nl80211_msg_put_channel(struct sk_buff *msg, struct key_parse { struct key_params p; int idx; + int type; bool def, defmgmt; }; @@ -285,6 +339,12 @@ static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) if (tb[NL80211_KEY_CIPHER]) k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]); + if (tb[NL80211_KEY_TYPE]) { + k->type = nla_get_u32(tb[NL80211_KEY_TYPE]); + if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) + return -EINVAL; + } + return 0; } @@ -309,6 +369,12 @@ static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; + if (info->attrs[NL80211_ATTR_KEY_TYPE]) { + k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); + if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) + return -EINVAL; + } + return 0; } @@ -318,6 +384,7 @@ static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) memset(k, 0, sizeof(*k)); k->idx = -1; + k->type = -1; if (info->attrs[NL80211_ATTR_KEY]) err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k); @@ -382,7 +449,7 @@ nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, } else if (parse.defmgmt) goto error; err = cfg80211_validate_key_settings(rdev, &parse.p, - parse.idx, NULL); + parse.idx, false, NULL); if (err) goto error; result->params[parse.idx].cipher = parse.p.cipher; @@ -401,18 +468,17 @@ static int nl80211_key_allowed(struct wireless_dev *wdev) { ASSERT_WDEV_LOCK(wdev); - if (!netif_running(wdev->netdev)) - return -ENETDOWN; - switch (wdev->iftype) { case NL80211_IFTYPE_AP: case NL80211_IFTYPE_AP_VLAN: + case NL80211_IFTYPE_P2P_GO: break; case NL80211_IFTYPE_ADHOC: if (!wdev->current_bss) return -ENOLINK; break; case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_P2P_CLIENT: if (wdev->sme_state != CFG80211_SME_CONNECTED) return -ENOLINK; break; @@ -437,6 +503,8 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, struct ieee80211_rate *rate; int i; u16 ifmodes = dev->wiphy.interface_modes; + const struct ieee80211_txrx_stypes *mgmt_stypes = + dev->wiphy.mgmt_stypes; hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_WIPHY); if (!hdr) @@ -464,6 +532,9 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, NLA_PUT_U16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, dev->wiphy.max_scan_ie_len); + if (dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) + NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_IBSS_RSN); + NLA_PUT(msg, NL80211_ATTR_CIPHER_SUITES, sizeof(u32) * dev->wiphy.n_cipher_suites, dev->wiphy.cipher_suites); @@ -471,6 +542,9 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, dev->wiphy.max_num_pmkids); + if (dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) + NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE); + nl_modes = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_IFTYPES); if (!nl_modes) goto nla_put_failure; @@ -587,12 +661,13 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, CMD(flush_pmksa, FLUSH_PMKSA); CMD(remain_on_channel, REMAIN_ON_CHANNEL); CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); - CMD(action, ACTION); + CMD(mgmt_tx, FRAME); if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { i++; NLA_PUT_U32(msg, i, NL80211_CMD_SET_WIPHY_NETNS); } CMD(set_channel, SET_CHANNEL); + CMD(set_wds_peer, SET_WDS_PEER); #undef CMD @@ -608,6 +683,55 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, nla_nest_end(msg, nl_cmds); + if (mgmt_stypes) { + u16 stypes; + struct nlattr *nl_ftypes, *nl_ifs; + enum nl80211_iftype ift; + + nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES); + if (!nl_ifs) + goto nla_put_failure; + + for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { + nl_ftypes = nla_nest_start(msg, ift); + if (!nl_ftypes) + goto nla_put_failure; + i = 0; + stypes = mgmt_stypes[ift].tx; + while (stypes) { + if (stypes & 1) + NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, + (i << 4) | IEEE80211_FTYPE_MGMT); + stypes >>= 1; + i++; + } + nla_nest_end(msg, nl_ftypes); + } + + nla_nest_end(msg, nl_ifs); + + nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES); + if (!nl_ifs) + goto nla_put_failure; + + for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { + nl_ftypes = nla_nest_start(msg, ift); + if (!nl_ftypes) + goto nla_put_failure; + i = 0; + stypes = mgmt_stypes[ift].rx; + while (stypes) { + if (stypes & 1) + NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, + (i << 4) | IEEE80211_FTYPE_MGMT); + stypes >>= 1; + i++; + } + nla_nest_end(msg, nl_ftypes); + } + nla_nest_end(msg, nl_ifs); + } + return genlmsg_end(msg, hdr); nla_put_failure: @@ -644,28 +768,18 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) { struct sk_buff *msg; - struct cfg80211_registered_device *dev; - - dev = cfg80211_get_dev_from_info(info); - if (IS_ERR(dev)) - return PTR_ERR(dev); + struct cfg80211_registered_device *dev = info->user_ptr[0]; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) - goto out_err; - - if (nl80211_send_wiphy(msg, info->snd_pid, info->snd_seq, 0, dev) < 0) - goto out_free; + return -ENOMEM; - cfg80211_unlock_rdev(dev); + if (nl80211_send_wiphy(msg, info->snd_pid, info->snd_seq, 0, dev) < 0) { + nlmsg_free(msg); + return -ENOBUFS; + } return genlmsg_reply(msg, info); - - out_free: - nlmsg_free(msg); - out_err: - cfg80211_unlock_rdev(dev); - return -ENOBUFS; } static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = { @@ -709,7 +823,8 @@ static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) wdev->iftype == NL80211_IFTYPE_AP || wdev->iftype == NL80211_IFTYPE_WDS || wdev->iftype == NL80211_IFTYPE_MESH_POINT || - wdev->iftype == NL80211_IFTYPE_MONITOR; + wdev->iftype == NL80211_IFTYPE_MONITOR || + wdev->iftype == NL80211_IFTYPE_P2P_GO; } static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, @@ -753,38 +868,48 @@ static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; - struct net_device *netdev; - int result; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *netdev = info->user_ptr[1]; - rtnl_lock(); + return __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info); +} - result = get_rdev_dev_by_info_ifindex(info, &rdev, &netdev); - if (result) - goto unlock; +static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; + struct wireless_dev *wdev = dev->ieee80211_ptr; + const u8 *bssid; - result = __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info); + if (!info->attrs[NL80211_ATTR_MAC]) + return -EINVAL; - unlock: - rtnl_unlock(); + if (netif_running(dev)) + return -EBUSY; - return result; + if (!rdev->ops->set_wds_peer) + return -EOPNOTSUPP; + + if (wdev->iftype != NL80211_IFTYPE_WDS) + return -EOPNOTSUPP; + + bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); + return rdev->ops->set_wds_peer(wdev->wiphy, dev, bssid); } + static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *rdev; struct net_device *netdev = NULL; struct wireless_dev *wdev; - int result, rem_txq_params = 0; + int result = 0, rem_txq_params = 0; struct nlattr *nl_txq_params; u32 changed; u8 retry_short = 0, retry_long = 0; u32 frag_threshold = 0, rts_threshold = 0; u8 coverage_class = 0; - rtnl_lock(); - /* * Try to find the wiphy and netdev. Normally this * function shouldn't need the netdev, but this is @@ -811,8 +936,7 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) rdev = __cfg80211_rdev_from_info(info); if (IS_ERR(rdev)) { mutex_unlock(&cfg80211_mutex); - result = PTR_ERR(rdev); - goto unlock; + return PTR_ERR(rdev); } wdev = NULL; netdev = NULL; @@ -994,8 +1118,6 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) mutex_unlock(&rdev->mtx); if (netdev) dev_put(netdev); - unlock: - rtnl_unlock(); return result; } @@ -1075,33 +1197,20 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback * static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) { struct sk_buff *msg; - struct cfg80211_registered_device *dev; - struct net_device *netdev; - int err; - - err = get_rdev_dev_by_info_ifindex(info, &dev, &netdev); - if (err) - return err; + struct cfg80211_registered_device *dev = info->user_ptr[0]; + struct net_device *netdev = info->user_ptr[1]; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) - goto out_err; + return -ENOMEM; if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0, - dev, netdev) < 0) - goto out_free; - - dev_put(netdev); - cfg80211_unlock_rdev(dev); + dev, netdev) < 0) { + nlmsg_free(msg); + return -ENOBUFS; + } return genlmsg_reply(msg, info); - - out_free: - nlmsg_free(msg); - out_err: - dev_put(netdev); - cfg80211_unlock_rdev(dev); - return -ENOBUFS; } static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { @@ -1161,39 +1270,29 @@ static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; struct vif_params params; int err; enum nl80211_iftype otype, ntype; - struct net_device *dev; + struct net_device *dev = info->user_ptr[1]; u32 _flags, *flags = NULL; bool change = false; memset(¶ms, 0, sizeof(params)); - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto unlock_rtnl; - otype = ntype = dev->ieee80211_ptr->iftype; if (info->attrs[NL80211_ATTR_IFTYPE]) { ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); if (otype != ntype) change = true; - if (ntype > NL80211_IFTYPE_MAX) { - err = -EINVAL; - goto unlock; - } + if (ntype > NL80211_IFTYPE_MAX) + return -EINVAL; } if (info->attrs[NL80211_ATTR_MESH_ID]) { - if (ntype != NL80211_IFTYPE_MESH_POINT) { - err = -EINVAL; - goto unlock; - } + if (ntype != NL80211_IFTYPE_MESH_POINT) + return -EINVAL; params.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); params.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); change = true; @@ -1204,20 +1303,18 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) change = true; err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); if (err) - goto unlock; + return err; } else { params.use_4addr = -1; } if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { - if (ntype != NL80211_IFTYPE_MONITOR) { - err = -EINVAL; - goto unlock; - } + if (ntype != NL80211_IFTYPE_MONITOR) + return -EINVAL; err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], &_flags); if (err) - goto unlock; + return err; flags = &_flags; change = true; @@ -1231,17 +1328,12 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) if (!err && params.use_4addr != -1) dev->ieee80211_ptr->use_4addr = params.use_4addr; - unlock: - dev_put(dev); - cfg80211_unlock_rdev(rdev); - unlock_rtnl: - rtnl_unlock(); return err; } static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; struct vif_params params; int err; enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; @@ -1258,19 +1350,9 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) return -EINVAL; } - rtnl_lock(); - - rdev = cfg80211_get_dev_from_info(info); - if (IS_ERR(rdev)) { - err = PTR_ERR(rdev); - goto unlock_rtnl; - } - if (!rdev->ops->add_virtual_intf || - !(rdev->wiphy.interface_modes & (1 << type))) { - err = -EOPNOTSUPP; - goto unlock; - } + !(rdev->wiphy.interface_modes & (1 << type))) + return -EOPNOTSUPP; if (type == NL80211_IFTYPE_MESH_POINT && info->attrs[NL80211_ATTR_MESH_ID]) { @@ -1282,7 +1364,7 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); if (err) - goto unlock; + return err; } err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? @@ -1292,38 +1374,18 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) nla_data(info->attrs[NL80211_ATTR_IFNAME]), type, err ? NULL : &flags, ¶ms); - unlock: - cfg80211_unlock_rdev(rdev); - unlock_rtnl: - rtnl_unlock(); return err; } static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; - int err; - struct net_device *dev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto unlock_rtnl; - - if (!rdev->ops->del_virtual_intf) { - err = -EOPNOTSUPP; - goto out; - } - - err = rdev->ops->del_virtual_intf(&rdev->wiphy, dev); + if (!rdev->ops->del_virtual_intf) + return -EOPNOTSUPP; - out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); - unlock_rtnl: - rtnl_unlock(); - return err; + return rdev->ops->del_virtual_intf(&rdev->wiphy, dev); } struct get_key_cookie { @@ -1376,11 +1438,12 @@ static void get_key_callback(void *c, struct key_params *params) static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; int err; - struct net_device *dev; + struct net_device *dev = info->user_ptr[1]; u8 key_idx = 0; - u8 *mac_addr = NULL; + const u8 *mac_addr = NULL; + bool pairwise; struct get_key_cookie cookie = { .error = 0, }; @@ -1396,30 +1459,28 @@ static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) if (info->attrs[NL80211_ATTR_MAC]) mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto unlock_rtnl; - - if (!rdev->ops->get_key) { - err = -EOPNOTSUPP; - goto out; + pairwise = !!mac_addr; + if (info->attrs[NL80211_ATTR_KEY_TYPE]) { + u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); + if (kt >= NUM_NL80211_KEYTYPES) + return -EINVAL; + if (kt != NL80211_KEYTYPE_GROUP && + kt != NL80211_KEYTYPE_PAIRWISE) + return -EINVAL; + pairwise = kt == NL80211_KEYTYPE_PAIRWISE; } + if (!rdev->ops->get_key) + return -EOPNOTSUPP; + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (!msg) { - err = -ENOMEM; - goto out; - } + if (!msg) + return -ENOMEM; hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, NL80211_CMD_NEW_KEY); - - if (IS_ERR(hdr)) { - err = PTR_ERR(hdr); - goto free_msg; - } + if (IS_ERR(hdr)) + return PTR_ERR(hdr); cookie.msg = msg; cookie.idx = key_idx; @@ -1429,8 +1490,12 @@ static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) if (mac_addr) NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); - err = rdev->ops->get_key(&rdev->wiphy, dev, key_idx, mac_addr, - &cookie, get_key_callback); + if (pairwise && mac_addr && + !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) + return -ENOENT; + + err = rdev->ops->get_key(&rdev->wiphy, dev, key_idx, pairwise, + mac_addr, &cookie, get_key_callback); if (err) goto free_msg; @@ -1439,28 +1504,21 @@ static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) goto nla_put_failure; genlmsg_end(msg, hdr); - err = genlmsg_reply(msg, info); - goto out; + return genlmsg_reply(msg, info); nla_put_failure: err = -ENOBUFS; free_msg: nlmsg_free(msg); - out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); - unlock_rtnl: - rtnl_unlock(); - return err; } static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; struct key_parse key; int err; - struct net_device *dev; + struct net_device *dev = info->user_ptr[1]; int (*func)(struct wiphy *wiphy, struct net_device *netdev, u8 key_index); @@ -1475,21 +1533,13 @@ static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) if (!key.def && !key.defmgmt) return -EINVAL; - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto unlock_rtnl; - if (key.def) func = rdev->ops->set_default_key; else func = rdev->ops->set_default_mgmt_key; - if (!func) { - err = -EOPNOTSUPP; - goto out; - } + if (!func) + return -EOPNOTSUPP; wdev_lock(dev->ieee80211_ptr); err = nl80211_key_allowed(dev->ieee80211_ptr); @@ -1506,23 +1556,16 @@ static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) #endif wdev_unlock(dev->ieee80211_ptr); - out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); - - unlock_rtnl: - rtnl_unlock(); - return err; } static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; int err; - struct net_device *dev; + struct net_device *dev = info->user_ptr[1]; struct key_parse key; - u8 *mac_addr = NULL; + const u8 *mac_addr = NULL; err = nl80211_parse_key(info, &key); if (err) @@ -1534,43 +1577,42 @@ static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) if (info->attrs[NL80211_ATTR_MAC]) mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); - rtnl_lock(); + if (key.type == -1) { + if (mac_addr) + key.type = NL80211_KEYTYPE_PAIRWISE; + else + key.type = NL80211_KEYTYPE_GROUP; + } - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto unlock_rtnl; + /* for now */ + if (key.type != NL80211_KEYTYPE_PAIRWISE && + key.type != NL80211_KEYTYPE_GROUP) + return -EINVAL; - if (!rdev->ops->add_key) { - err = -EOPNOTSUPP; - goto out; - } + if (!rdev->ops->add_key) + return -EOPNOTSUPP; - if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, mac_addr)) { - err = -EINVAL; - goto out; - } + if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, + key.type == NL80211_KEYTYPE_PAIRWISE, + mac_addr)) + return -EINVAL; wdev_lock(dev->ieee80211_ptr); err = nl80211_key_allowed(dev->ieee80211_ptr); if (!err) err = rdev->ops->add_key(&rdev->wiphy, dev, key.idx, + key.type == NL80211_KEYTYPE_PAIRWISE, mac_addr, &key.p); wdev_unlock(dev->ieee80211_ptr); - out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); - unlock_rtnl: - rtnl_unlock(); - return err; } static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; int err; - struct net_device *dev; + struct net_device *dev = info->user_ptr[1]; u8 *mac_addr = NULL; struct key_parse key; @@ -1581,21 +1623,32 @@ static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) if (info->attrs[NL80211_ATTR_MAC]) mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); - rtnl_lock(); + if (key.type == -1) { + if (mac_addr) + key.type = NL80211_KEYTYPE_PAIRWISE; + else + key.type = NL80211_KEYTYPE_GROUP; + } - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto unlock_rtnl; + /* for now */ + if (key.type != NL80211_KEYTYPE_PAIRWISE && + key.type != NL80211_KEYTYPE_GROUP) + return -EINVAL; - if (!rdev->ops->del_key) { - err = -EOPNOTSUPP; - goto out; - } + if (!rdev->ops->del_key) + return -EOPNOTSUPP; wdev_lock(dev->ieee80211_ptr); err = nl80211_key_allowed(dev->ieee80211_ptr); + + if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr && + !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) + err = -ENOENT; + if (!err) - err = rdev->ops->del_key(&rdev->wiphy, dev, key.idx, mac_addr); + err = rdev->ops->del_key(&rdev->wiphy, dev, key.idx, + key.type == NL80211_KEYTYPE_PAIRWISE, + mac_addr); #ifdef CONFIG_CFG80211_WEXT if (!err) { @@ -1607,13 +1660,6 @@ static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) #endif wdev_unlock(dev->ieee80211_ptr); - out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); - - unlock_rtnl: - rtnl_unlock(); - return err; } @@ -1621,35 +1667,25 @@ static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info) { int (*call)(struct wiphy *wiphy, struct net_device *dev, struct beacon_parameters *info); - struct cfg80211_registered_device *rdev; - int err; - struct net_device *dev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; struct beacon_parameters params; int haveinfo = 0; if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_BEACON_TAIL])) return -EINVAL; - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto unlock_rtnl; - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP) { - err = -EOPNOTSUPP; - goto out; - } + if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) + return -EOPNOTSUPP; switch (info->genlhdr->cmd) { case NL80211_CMD_NEW_BEACON: /* these are required for NEW_BEACON */ if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || !info->attrs[NL80211_ATTR_DTIM_PERIOD] || - !info->attrs[NL80211_ATTR_BEACON_HEAD]) { - err = -EINVAL; - goto out; - } + !info->attrs[NL80211_ATTR_BEACON_HEAD]) + return -EINVAL; call = rdev->ops->add_beacon; break; @@ -1658,14 +1694,11 @@ static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info) break; default: WARN_ON(1); - err = -EOPNOTSUPP; - goto out; + return -EOPNOTSUPP; } - if (!call) { - err = -EOPNOTSUPP; - goto out; - } + if (!call) + return -EOPNOTSUPP; memset(¶ms, 0, sizeof(params)); @@ -1695,52 +1728,25 @@ static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info) haveinfo = 1; } - if (!haveinfo) { - err = -EINVAL; - goto out; - } - - err = call(&rdev->wiphy, dev, ¶ms); - - out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); - unlock_rtnl: - rtnl_unlock(); + if (!haveinfo) + return -EINVAL; - return err; + return call(&rdev->wiphy, dev, ¶ms); } static int nl80211_del_beacon(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; - int err; - struct net_device *dev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto unlock_rtnl; - - if (!rdev->ops->del_beacon) { - err = -EOPNOTSUPP; - goto out; - } - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP) { - err = -EOPNOTSUPP; - goto out; - } - err = rdev->ops->del_beacon(&rdev->wiphy, dev); + if (!rdev->ops->del_beacon) + return -EOPNOTSUPP; - out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); - unlock_rtnl: - rtnl_unlock(); + if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) + return -EOPNOTSUPP; - return err; + return rdev->ops->del_beacon(&rdev->wiphy, dev); } static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { @@ -1861,6 +1867,12 @@ static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq, if (sinfo->filled & STATION_INFO_TX_PACKETS) NLA_PUT_U32(msg, NL80211_STA_INFO_TX_PACKETS, sinfo->tx_packets); + if (sinfo->filled & STATION_INFO_TX_RETRIES) + NLA_PUT_U32(msg, NL80211_STA_INFO_TX_RETRIES, + sinfo->tx_retries); + if (sinfo->filled & STATION_INFO_TX_FAILED) + NLA_PUT_U32(msg, NL80211_STA_INFO_TX_FAILED, + sinfo->tx_failed); nla_nest_end(msg, sinfoattr); return genlmsg_end(msg, hdr); @@ -1877,28 +1889,12 @@ static int nl80211_dump_station(struct sk_buff *skb, struct cfg80211_registered_device *dev; struct net_device *netdev; u8 mac_addr[ETH_ALEN]; - int ifidx = cb->args[0]; int sta_idx = cb->args[1]; int err; - if (!ifidx) - ifidx = nl80211_get_ifidx(cb); - if (ifidx < 0) - return ifidx; - - rtnl_lock(); - - netdev = __dev_get_by_index(sock_net(skb->sk), ifidx); - if (!netdev) { - err = -ENODEV; - goto out_rtnl; - } - - dev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx); - if (IS_ERR(dev)) { - err = PTR_ERR(dev); - goto out_rtnl; - } + err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev); + if (err) + return err; if (!dev->ops->dump_station) { err = -EOPNOTSUPP; @@ -1928,21 +1924,19 @@ static int nl80211_dump_station(struct sk_buff *skb, cb->args[1] = sta_idx; err = skb->len; out_err: - cfg80211_unlock_rdev(dev); - out_rtnl: - rtnl_unlock(); + nl80211_finish_netdev_dump(dev); return err; } static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; - int err; - struct net_device *dev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; struct station_info sinfo; struct sk_buff *msg; u8 *mac_addr = NULL; + int err; memset(&sinfo, 0, sizeof(sinfo)); @@ -1951,41 +1945,24 @@ static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto out_rtnl; - - if (!rdev->ops->get_station) { - err = -EOPNOTSUPP; - goto out; - } + if (!rdev->ops->get_station) + return -EOPNOTSUPP; err = rdev->ops->get_station(&rdev->wiphy, dev, mac_addr, &sinfo); if (err) - goto out; + return err; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) - goto out; + return -ENOMEM; if (nl80211_send_station(msg, info->snd_pid, info->snd_seq, 0, - dev, mac_addr, &sinfo) < 0) - goto out_free; - - err = genlmsg_reply(msg, info); - goto out; - - out_free: - nlmsg_free(msg); - out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); - out_rtnl: - rtnl_unlock(); + dev, mac_addr, &sinfo) < 0) { + nlmsg_free(msg); + return -ENOBUFS; + } - return err; + return genlmsg_reply(msg, info); } /* @@ -2015,9 +1992,9 @@ static int get_vlan(struct genl_info *info, static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; int err; - struct net_device *dev; + struct net_device *dev = info->user_ptr[1]; struct station_parameters params; u8 *mac_addr = NULL; @@ -2055,12 +2032,6 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) params.plink_action = nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto out_rtnl; - err = get_vlan(info, rdev, ¶ms.vlan); if (err) goto out; @@ -2071,10 +2042,12 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) switch (dev->ieee80211_ptr->iftype) { case NL80211_IFTYPE_AP: case NL80211_IFTYPE_AP_VLAN: + case NL80211_IFTYPE_P2P_GO: /* disallow mesh-specific things */ if (params.plink_action) err = -EINVAL; break; + case NL80211_IFTYPE_P2P_CLIENT: case NL80211_IFTYPE_STATION: /* disallow everything but AUTHORIZED flag */ if (params.plink_action) @@ -2120,19 +2093,15 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) out: if (params.vlan) dev_put(params.vlan); - cfg80211_unlock_rdev(rdev); - dev_put(dev); - out_rtnl: - rtnl_unlock(); return err; } static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; int err; - struct net_device *dev; + struct net_device *dev = info->user_ptr[1]; struct station_parameters params; u8 *mac_addr = NULL; @@ -2169,17 +2138,10 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) if (parse_station_flags(info, ¶ms)) return -EINVAL; - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto out_rtnl; - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN) { - err = -EINVAL; - goto out; - } + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) + return -EINVAL; err = get_vlan(info, rdev, ¶ms.vlan); if (err) @@ -2193,61 +2155,33 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) goto out; } - if (!netif_running(dev)) { - err = -ENETDOWN; - goto out; - } - err = rdev->ops->add_station(&rdev->wiphy, dev, mac_addr, ¶ms); out: if (params.vlan) dev_put(params.vlan); - cfg80211_unlock_rdev(rdev); - dev_put(dev); - out_rtnl: - rtnl_unlock(); - return err; } static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; - int err; - struct net_device *dev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; u8 *mac_addr = NULL; if (info->attrs[NL80211_ATTR_MAC]) mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto out_rtnl; - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) { - err = -EINVAL; - goto out; - } - - if (!rdev->ops->del_station) { - err = -EOPNOTSUPP; - goto out; - } - - err = rdev->ops->del_station(&rdev->wiphy, dev, mac_addr); + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) + return -EINVAL; - out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); - out_rtnl: - rtnl_unlock(); + if (!rdev->ops->del_station) + return -EOPNOTSUPP; - return err; + return rdev->ops->del_station(&rdev->wiphy, dev, mac_addr); } static int nl80211_send_mpath(struct sk_buff *msg, u32 pid, u32 seq, @@ -2310,28 +2244,12 @@ static int nl80211_dump_mpath(struct sk_buff *skb, struct net_device *netdev; u8 dst[ETH_ALEN]; u8 next_hop[ETH_ALEN]; - int ifidx = cb->args[0]; int path_idx = cb->args[1]; int err; - if (!ifidx) - ifidx = nl80211_get_ifidx(cb); - if (ifidx < 0) - return ifidx; - - rtnl_lock(); - - netdev = __dev_get_by_index(sock_net(skb->sk), ifidx); - if (!netdev) { - err = -ENODEV; - goto out_rtnl; - } - - dev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx); - if (IS_ERR(dev)) { - err = PTR_ERR(dev); - goto out_rtnl; - } + err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev); + if (err) + return err; if (!dev->ops->dump_mpath) { err = -EOPNOTSUPP; @@ -2365,18 +2283,15 @@ static int nl80211_dump_mpath(struct sk_buff *skb, cb->args[1] = path_idx; err = skb->len; out_err: - cfg80211_unlock_rdev(dev); - out_rtnl: - rtnl_unlock(); - + nl80211_finish_netdev_dump(dev); return err; } static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; int err; - struct net_device *dev; + struct net_device *dev = info->user_ptr[1]; struct mpath_info pinfo; struct sk_buff *msg; u8 *dst = NULL; @@ -2389,53 +2304,33 @@ static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) dst = nla_data(info->attrs[NL80211_ATTR_MAC]); - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto out_rtnl; - - if (!rdev->ops->get_mpath) { - err = -EOPNOTSUPP; - goto out; - } + if (!rdev->ops->get_mpath) + return -EOPNOTSUPP; - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) { - err = -EOPNOTSUPP; - goto out; - } + if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) + return -EOPNOTSUPP; err = rdev->ops->get_mpath(&rdev->wiphy, dev, dst, next_hop, &pinfo); if (err) - goto out; + return err; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) - goto out; + return -ENOMEM; if (nl80211_send_mpath(msg, info->snd_pid, info->snd_seq, 0, - dev, dst, next_hop, &pinfo) < 0) - goto out_free; - - err = genlmsg_reply(msg, info); - goto out; - - out_free: - nlmsg_free(msg); - out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); - out_rtnl: - rtnl_unlock(); + dev, dst, next_hop, &pinfo) < 0) { + nlmsg_free(msg); + return -ENOBUFS; + } - return err; + return genlmsg_reply(msg, info); } static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; - int err; - struct net_device *dev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; u8 *dst = NULL; u8 *next_hop = NULL; @@ -2448,42 +2343,19 @@ static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) dst = nla_data(info->attrs[NL80211_ATTR_MAC]); next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto out_rtnl; - - if (!rdev->ops->change_mpath) { - err = -EOPNOTSUPP; - goto out; - } - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) { - err = -EOPNOTSUPP; - goto out; - } - - if (!netif_running(dev)) { - err = -ENETDOWN; - goto out; - } - - err = rdev->ops->change_mpath(&rdev->wiphy, dev, dst, next_hop); + if (!rdev->ops->change_mpath) + return -EOPNOTSUPP; - out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); - out_rtnl: - rtnl_unlock(); + if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) + return -EOPNOTSUPP; - return err; + return rdev->ops->change_mpath(&rdev->wiphy, dev, dst, next_hop); } + static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; - int err; - struct net_device *dev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; u8 *dst = NULL; u8 *next_hop = NULL; @@ -2496,75 +2368,34 @@ static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) dst = nla_data(info->attrs[NL80211_ATTR_MAC]); next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto out_rtnl; - - if (!rdev->ops->add_mpath) { - err = -EOPNOTSUPP; - goto out; - } - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) { - err = -EOPNOTSUPP; - goto out; - } - - if (!netif_running(dev)) { - err = -ENETDOWN; - goto out; - } - - err = rdev->ops->add_mpath(&rdev->wiphy, dev, dst, next_hop); + if (!rdev->ops->add_mpath) + return -EOPNOTSUPP; - out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); - out_rtnl: - rtnl_unlock(); + if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) + return -EOPNOTSUPP; - return err; + return rdev->ops->add_mpath(&rdev->wiphy, dev, dst, next_hop); } static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; - int err; - struct net_device *dev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; u8 *dst = NULL; if (info->attrs[NL80211_ATTR_MAC]) dst = nla_data(info->attrs[NL80211_ATTR_MAC]); - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto out_rtnl; - - if (!rdev->ops->del_mpath) { - err = -EOPNOTSUPP; - goto out; - } - - err = rdev->ops->del_mpath(&rdev->wiphy, dev, dst); - - out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); - out_rtnl: - rtnl_unlock(); + if (!rdev->ops->del_mpath) + return -EOPNOTSUPP; - return err; + return rdev->ops->del_mpath(&rdev->wiphy, dev, dst); } static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; - int err; - struct net_device *dev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; struct bss_parameters params; memset(¶ms, 0, sizeof(params)); @@ -2592,31 +2423,14 @@ static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) if (info->attrs[NL80211_ATTR_AP_ISOLATE]) params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto out_rtnl; - - if (!rdev->ops->change_bss) { - err = -EOPNOTSUPP; - goto out; - } - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP) { - err = -EOPNOTSUPP; - goto out; - } - - err = rdev->ops->change_bss(&rdev->wiphy, dev, ¶ms); + if (!rdev->ops->change_bss) + return -EOPNOTSUPP; - out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); - out_rtnl: - rtnl_unlock(); + if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) + return -EOPNOTSUPP; - return err; + return rdev->ops->change_bss(&rdev->wiphy, dev, ¶ms); } static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { @@ -2695,37 +2509,26 @@ static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) static int nl80211_get_mesh_params(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; struct mesh_config cur_params; int err; - struct net_device *dev; + struct net_device *dev = info->user_ptr[1]; void *hdr; struct nlattr *pinfoattr; struct sk_buff *msg; - rtnl_lock(); - - /* Look up our device */ - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto out_rtnl; - - if (!rdev->ops->get_mesh_params) { - err = -EOPNOTSUPP; - goto out; - } + if (!rdev->ops->get_mesh_params) + return -EOPNOTSUPP; /* Get the mesh params */ err = rdev->ops->get_mesh_params(&rdev->wiphy, dev, &cur_params); if (err) - goto out; + return err; /* Draw up a netlink message to send back */ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (!msg) { - err = -ENOBUFS; - goto out; - } + if (!msg) + return -ENOMEM; hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, NL80211_CMD_GET_MESH_PARAMS); if (!hdr) @@ -2764,21 +2567,12 @@ static int nl80211_get_mesh_params(struct sk_buff *skb, cur_params.dot11MeshHWMPRootMode); nla_nest_end(msg, pinfoattr); genlmsg_end(msg, hdr); - err = genlmsg_reply(msg, info); - goto out; + return genlmsg_reply(msg, info); nla_put_failure: genlmsg_cancel(msg, hdr); nlmsg_free(msg); - err = -EMSGSIZE; - out: - /* Cleanup */ - cfg80211_unlock_rdev(rdev); - dev_put(dev); - out_rtnl: - rtnl_unlock(); - - return err; + return -ENOBUFS; } #define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \ @@ -2808,10 +2602,9 @@ static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_A static int nl80211_set_mesh_params(struct sk_buff *skb, struct genl_info *info) { - int err; u32 mask; - struct cfg80211_registered_device *rdev; - struct net_device *dev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; struct mesh_config cfg; struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; struct nlattr *parent_attr; @@ -2823,16 +2616,8 @@ static int nl80211_set_mesh_params(struct sk_buff *skb, struct genl_info *info) parent_attr, nl80211_meshconf_params_policy)) return -EINVAL; - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto out_rtnl; - - if (!rdev->ops->set_mesh_params) { - err = -EOPNOTSUPP; - goto out; - } + if (!rdev->ops->set_mesh_params) + return -EOPNOTSUPP; /* This makes sure that there aren't more than 32 mesh config * parameters (otherwise our bitfield scheme would not work.) */ @@ -2878,16 +2663,7 @@ static int nl80211_set_mesh_params(struct sk_buff *skb, struct genl_info *info) nla_get_u8); /* Apply changes */ - err = rdev->ops->set_mesh_params(&rdev->wiphy, dev, &cfg, mask); - - out: - /* cleanup */ - cfg80211_unlock_rdev(rdev); - dev_put(dev); - out_rtnl: - rtnl_unlock(); - - return err; + return rdev->ops->set_mesh_params(&rdev->wiphy, dev, &cfg, mask); } #undef FILL_IN_MESH_PARAM_IF_SET @@ -3070,8 +2846,8 @@ static int validate_scan_freqs(struct nlattr *freqs) static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; - struct net_device *dev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; struct cfg80211_scan_request *request; struct cfg80211_ssid *ssid; struct ieee80211_channel *channel; @@ -3084,36 +2860,19 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) return -EINVAL; - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto out_rtnl; - wiphy = &rdev->wiphy; - if (!rdev->ops->scan) { - err = -EOPNOTSUPP; - goto out; - } - - if (!netif_running(dev)) { - err = -ENETDOWN; - goto out; - } + if (!rdev->ops->scan) + return -EOPNOTSUPP; - if (rdev->scan_req) { - err = -EBUSY; - goto out; - } + if (rdev->scan_req) + return -EBUSY; if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { n_channels = validate_scan_freqs( info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); - if (!n_channels) { - err = -EINVAL; - goto out; - } + if (!n_channels) + return -EINVAL; } else { n_channels = 0; @@ -3126,29 +2885,23 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) n_ssids++; - if (n_ssids > wiphy->max_scan_ssids) { - err = -EINVAL; - goto out; - } + if (n_ssids > wiphy->max_scan_ssids) + return -EINVAL; if (info->attrs[NL80211_ATTR_IE]) ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); else ie_len = 0; - if (ie_len > wiphy->max_scan_ie_len) { - err = -EINVAL; - goto out; - } + if (ie_len > wiphy->max_scan_ie_len) + return -EINVAL; request = kzalloc(sizeof(*request) + sizeof(*ssid) * n_ssids + sizeof(channel) * n_channels + ie_len, GFP_KERNEL); - if (!request) { - err = -ENOMEM; - goto out; - } + if (!request) + return -ENOMEM; if (n_ssids) request->ssids = (void *)&request->channels[n_channels]; @@ -3236,18 +2989,11 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) if (!err) { nl80211_send_scan_start(rdev, dev); dev_hold(dev); - } - + } else { out_free: - if (err) { rdev->scan_req = NULL; kfree(request); } - out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); - out_rtnl: - rtnl_unlock(); return err; } @@ -3306,6 +3052,7 @@ static int nl80211_send_bss(struct sk_buff *msg, u32 pid, u32 seq, int flags, } switch (wdev->iftype) { + case NL80211_IFTYPE_P2P_CLIENT: case NL80211_IFTYPE_STATION: if (intbss == wdev->current_bss) NLA_PUT_U32(msg, NL80211_BSS_STATUS, @@ -3343,25 +3090,12 @@ static int nl80211_dump_scan(struct sk_buff *skb, struct net_device *dev; struct cfg80211_internal_bss *scan; struct wireless_dev *wdev; - int ifidx = cb->args[0]; int start = cb->args[1], idx = 0; int err; - if (!ifidx) - ifidx = nl80211_get_ifidx(cb); - if (ifidx < 0) - return ifidx; - cb->args[0] = ifidx; - - dev = dev_get_by_index(sock_net(skb->sk), ifidx); - if (!dev) - return -ENODEV; - - rdev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx); - if (IS_ERR(rdev)) { - err = PTR_ERR(rdev); - goto out_put_netdev; - } + err = nl80211_prepare_netdev_dump(skb, cb, &rdev, &dev); + if (err) + return err; wdev = dev->ieee80211_ptr; @@ -3377,21 +3111,17 @@ static int nl80211_dump_scan(struct sk_buff *skb, cb->nlh->nlmsg_seq, NLM_F_MULTI, rdev, wdev, scan) < 0) { idx--; - goto out; + break; } } - out: spin_unlock_bh(&rdev->bss_lock); wdev_unlock(wdev); cb->args[1] = idx; - err = skb->len; - cfg80211_unlock_rdev(rdev); - out_put_netdev: - dev_put(dev); + nl80211_finish_netdev_dump(rdev); - return err; + return skb->len; } static int nl80211_send_survey(struct sk_buff *msg, u32 pid, u32 seq, @@ -3421,6 +3151,23 @@ static int nl80211_send_survey(struct sk_buff *msg, u32 pid, u32 seq, if (survey->filled & SURVEY_INFO_NOISE_DBM) NLA_PUT_U8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise); + if (survey->filled & SURVEY_INFO_IN_USE) + NLA_PUT_FLAG(msg, NL80211_SURVEY_INFO_IN_USE); + if (survey->filled & SURVEY_INFO_CHANNEL_TIME) + NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME, + survey->channel_time); + if (survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY) + NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY, + survey->channel_time_busy); + if (survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) + NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY, + survey->channel_time_ext_busy); + if (survey->filled & SURVEY_INFO_CHANNEL_TIME_RX) + NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX, + survey->channel_time_rx); + if (survey->filled & SURVEY_INFO_CHANNEL_TIME_TX) + NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX, + survey->channel_time_tx); nla_nest_end(msg, infoattr); @@ -3437,29 +3184,12 @@ static int nl80211_dump_survey(struct sk_buff *skb, struct survey_info survey; struct cfg80211_registered_device *dev; struct net_device *netdev; - int ifidx = cb->args[0]; int survey_idx = cb->args[1]; int res; - if (!ifidx) - ifidx = nl80211_get_ifidx(cb); - if (ifidx < 0) - return ifidx; - cb->args[0] = ifidx; - - rtnl_lock(); - - netdev = __dev_get_by_index(sock_net(skb->sk), ifidx); - if (!netdev) { - res = -ENODEV; - goto out_rtnl; - } - - dev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx); - if (IS_ERR(dev)) { - res = PTR_ERR(dev); - goto out_rtnl; - } + res = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev); + if (res) + return res; if (!dev->ops->dump_survey) { res = -EOPNOTSUPP; @@ -3487,10 +3217,7 @@ static int nl80211_dump_survey(struct sk_buff *skb, cb->args[1] = survey_idx; res = skb->len; out_err: - cfg80211_unlock_rdev(dev); - out_rtnl: - rtnl_unlock(); - + nl80211_finish_netdev_dump(dev); return res; } @@ -3523,8 +3250,8 @@ static bool nl80211_valid_cipher_suite(u32 cipher) static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; - struct net_device *dev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; struct ieee80211_channel *chan; const u8 *bssid, *ssid, *ie = NULL; int err, ssid_len, ie_len = 0; @@ -3552,6 +3279,8 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) return err; if (key.idx >= 0) { + if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) + return -EINVAL; if (!key.p.key || !key.p.key_len) return -EINVAL; if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || @@ -3566,34 +3295,31 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) key.p.key = NULL; } - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto unlock_rtnl; - - if (!rdev->ops->auth) { - err = -EOPNOTSUPP; - goto out; + if (key.idx >= 0) { + int i; + bool ok = false; + for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { + if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { + ok = true; + break; + } + } + if (!ok) + return -EINVAL; } - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) { - err = -EOPNOTSUPP; - goto out; - } + if (!rdev->ops->auth) + return -EOPNOTSUPP; - if (!netif_running(dev)) { - err = -ENETDOWN; - goto out; - } + if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) + return -EOPNOTSUPP; bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); chan = ieee80211_get_channel(&rdev->wiphy, nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); - if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) { - err = -EINVAL; - goto out; - } + if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) + return -EINVAL; ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); @@ -3604,27 +3330,19 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) } auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); - if (!nl80211_valid_auth_type(auth_type)) { - err = -EINVAL; - goto out; - } + if (!nl80211_valid_auth_type(auth_type)) + return -EINVAL; local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; - err = 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); - -out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); -unlock_rtnl: - rtnl_unlock(); - return err; + 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); } -static int nl80211_crypto_settings(struct genl_info *info, +static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, + struct genl_info *info, struct cfg80211_crypto_settings *settings, int cipher_limit) { @@ -3632,6 +3350,19 @@ static int nl80211_crypto_settings(struct genl_info *info, settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; + if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { + u16 proto; + proto = nla_get_u16( + info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); + settings->control_port_ethertype = cpu_to_be16(proto); + if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && + proto != ETH_P_PAE) + return -EINVAL; + if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) + settings->control_port_no_encrypt = true; + } else + settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); + if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { void *data; int len, i; @@ -3691,8 +3422,8 @@ static int nl80211_crypto_settings(struct genl_info *info, static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; - struct net_device *dev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; struct cfg80211_crypto_settings crypto; struct ieee80211_channel *chan; const u8 *bssid, *ssid, *ie = NULL, *prev_bssid = NULL; @@ -3707,35 +3438,19 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) !info->attrs[NL80211_ATTR_WIPHY_FREQ]) return -EINVAL; - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto unlock_rtnl; - - if (!rdev->ops->assoc) { - err = -EOPNOTSUPP; - goto out; - } - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) { - err = -EOPNOTSUPP; - goto out; - } + if (!rdev->ops->assoc) + return -EOPNOTSUPP; - if (!netif_running(dev)) { - err = -ENETDOWN; - goto out; - } + if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) + return -EOPNOTSUPP; bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); chan = ieee80211_get_channel(&rdev->wiphy, nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); - if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) { - err = -EINVAL; - goto out; - } + if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) + return -EINVAL; ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); @@ -3750,35 +3465,28 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); if (mfp == NL80211_MFP_REQUIRED) use_mfp = true; - else if (mfp != NL80211_MFP_NO) { - err = -EINVAL; - goto out; - } + else if (mfp != NL80211_MFP_NO) + return -EINVAL; } if (info->attrs[NL80211_ATTR_PREV_BSSID]) prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); - err = nl80211_crypto_settings(info, &crypto, 1); + err = nl80211_crypto_settings(rdev, info, &crypto, 1); if (!err) err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, prev_bssid, ssid, ssid_len, ie, ie_len, use_mfp, &crypto); -out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); -unlock_rtnl: - rtnl_unlock(); return err; } static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; - struct net_device *dev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; const u8 *ie = NULL, *bssid; - int err, ie_len = 0; + int ie_len = 0; u16 reason_code; bool local_state_change; @@ -3791,34 +3499,19 @@ static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) if (!info->attrs[NL80211_ATTR_REASON_CODE]) return -EINVAL; - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto unlock_rtnl; - - if (!rdev->ops->deauth) { - err = -EOPNOTSUPP; - goto out; - } - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) { - err = -EOPNOTSUPP; - goto out; - } + if (!rdev->ops->deauth) + return -EOPNOTSUPP; - if (!netif_running(dev)) { - err = -ENETDOWN; - goto out; - } + if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) + return -EOPNOTSUPP; bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); if (reason_code == 0) { /* Reason Code 0 is reserved */ - err = -EINVAL; - goto out; + return -EINVAL; } if (info->attrs[NL80211_ATTR_IE]) { @@ -3828,23 +3521,16 @@ static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; - err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, - local_state_change); - -out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); -unlock_rtnl: - rtnl_unlock(); - return err; + return cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, + local_state_change); } static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; - struct net_device *dev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; const u8 *ie = NULL, *bssid; - int err, ie_len = 0; + int ie_len = 0; u16 reason_code; bool local_state_change; @@ -3857,34 +3543,19 @@ static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) if (!info->attrs[NL80211_ATTR_REASON_CODE]) return -EINVAL; - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto unlock_rtnl; - - if (!rdev->ops->disassoc) { - err = -EOPNOTSUPP; - goto out; - } - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) { - err = -EOPNOTSUPP; - goto out; - } + if (!rdev->ops->disassoc) + return -EOPNOTSUPP; - if (!netif_running(dev)) { - err = -ENETDOWN; - goto out; - } + if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) + return -EOPNOTSUPP; bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); if (reason_code == 0) { /* Reason Code 0 is reserved */ - err = -EINVAL; - goto out; + return -EINVAL; } if (info->attrs[NL80211_ATTR_IE]) { @@ -3894,21 +3565,14 @@ static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; - err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, - local_state_change); - -out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); -unlock_rtnl: - rtnl_unlock(); - return err; + return cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, + local_state_change); } static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; - struct net_device *dev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; struct cfg80211_ibss_params ibss; struct wiphy *wiphy; struct cfg80211_cached_keys *connkeys = NULL; @@ -3933,26 +3597,11 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) return -EINVAL; } - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto unlock_rtnl; - - if (!rdev->ops->join_ibss) { - err = -EOPNOTSUPP; - goto out; - } - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) { - err = -EOPNOTSUPP; - goto out; - } + if (!rdev->ops->join_ibss) + return -EOPNOTSUPP; - if (!netif_running(dev)) { - err = -ENETDOWN; - goto out; - } + if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) + return -EOPNOTSUPP; wiphy = &rdev->wiphy; @@ -3970,24 +3619,12 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); if (!ibss.channel || ibss.channel->flags & IEEE80211_CHAN_NO_IBSS || - ibss.channel->flags & IEEE80211_CHAN_DISABLED) { - err = -EINVAL; - goto out; - } + ibss.channel->flags & IEEE80211_CHAN_DISABLED) + return -EINVAL; ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; - if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { - connkeys = nl80211_parse_connkeys(rdev, - info->attrs[NL80211_ATTR_KEYS]); - if (IS_ERR(connkeys)) { - err = PTR_ERR(connkeys); - connkeys = NULL; - goto out; - } - } - if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); @@ -3997,10 +3634,8 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) wiphy->bands[ibss.channel->band]; int i, j; - if (n_rates == 0) { - err = -EINVAL; - goto out; - } + if (n_rates == 0) + return -EINVAL; for (i = 0; i < n_rates; i++) { int rate = (rates[i] & 0x7f) * 5; @@ -4013,77 +3648,36 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) break; } } - if (!found) { - err = -EINVAL; - goto out; - } - } - } else { - /* - * If no rates were explicitly configured, - * use the mandatory rate set for 11b or - * 11a for maximum compatibility. - */ - struct ieee80211_supported_band *sband = - wiphy->bands[ibss.channel->band]; - int j; - u32 flag = ibss.channel->band == IEEE80211_BAND_5GHZ ? - IEEE80211_RATE_MANDATORY_A : - IEEE80211_RATE_MANDATORY_B; - - for (j = 0; j < sband->n_bitrates; j++) { - if (sband->bitrates[j].flags & flag) - ibss.basic_rates |= BIT(j); + if (!found) + return -EINVAL; } } - err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); + if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { + connkeys = nl80211_parse_connkeys(rdev, + info->attrs[NL80211_ATTR_KEYS]); + if (IS_ERR(connkeys)) + return PTR_ERR(connkeys); + } -out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); -unlock_rtnl: + err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); if (err) kfree(connkeys); - rtnl_unlock(); return err; } static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; - struct net_device *dev; - int err; - - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto unlock_rtnl; - - if (!rdev->ops->leave_ibss) { - err = -EOPNOTSUPP; - goto out; - } + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) { - err = -EOPNOTSUPP; - goto out; - } - - if (!netif_running(dev)) { - err = -ENETDOWN; - goto out; - } + if (!rdev->ops->leave_ibss) + return -EOPNOTSUPP; - err = cfg80211_leave_ibss(rdev, dev, false); + if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) + return -EOPNOTSUPP; -out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); -unlock_rtnl: - rtnl_unlock(); - return err; + return cfg80211_leave_ibss(rdev, dev, false); } #ifdef CONFIG_NL80211_TESTMODE @@ -4093,20 +3687,12 @@ static struct genl_multicast_group nl80211_testmode_mcgrp = { static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; int err; if (!info->attrs[NL80211_ATTR_TESTDATA]) return -EINVAL; - rtnl_lock(); - - rdev = cfg80211_get_dev_from_info(info); - if (IS_ERR(rdev)) { - err = PTR_ERR(rdev); - goto unlock_rtnl; - } - err = -EOPNOTSUPP; if (rdev->ops->testmode_cmd) { rdev->testmode_info = info; @@ -4116,10 +3702,6 @@ static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) rdev->testmode_info = NULL; } - cfg80211_unlock_rdev(rdev); - - unlock_rtnl: - rtnl_unlock(); return err; } @@ -4210,8 +3792,8 @@ EXPORT_SYMBOL(cfg80211_testmode_event); static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; - struct net_device *dev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; struct cfg80211_connect_params connect; struct wiphy *wiphy; struct cfg80211_cached_keys *connkeys = NULL; @@ -4236,25 +3818,14 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; - err = nl80211_crypto_settings(info, &connect.crypto, + err = nl80211_crypto_settings(rdev, info, &connect.crypto, NL80211_MAX_NR_CIPHER_SUITES); if (err) return err; - rtnl_lock(); - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto unlock_rtnl; - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) { - err = -EOPNOTSUPP; - goto out; - } - - if (!netif_running(dev)) { - err = -ENETDOWN; - goto out; - } + if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) + return -EOPNOTSUPP; wiphy = &rdev->wiphy; @@ -4273,39 +3844,27 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) ieee80211_get_channel(wiphy, nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); if (!connect.channel || - connect.channel->flags & IEEE80211_CHAN_DISABLED) { - err = -EINVAL; - goto out; - } + connect.channel->flags & IEEE80211_CHAN_DISABLED) + return -EINVAL; } if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { connkeys = nl80211_parse_connkeys(rdev, info->attrs[NL80211_ATTR_KEYS]); - if (IS_ERR(connkeys)) { - err = PTR_ERR(connkeys); - connkeys = NULL; - goto out; - } + if (IS_ERR(connkeys)) + return PTR_ERR(connkeys); } err = cfg80211_connect(rdev, dev, &connect, connkeys); - -out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); -unlock_rtnl: if (err) kfree(connkeys); - rtnl_unlock(); return err; } static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; - struct net_device *dev; - int err; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; u16 reason; if (!info->attrs[NL80211_ATTR_REASON_CODE]) @@ -4316,35 +3875,16 @@ static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) if (reason == 0) return -EINVAL; - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto unlock_rtnl; - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) { - err = -EOPNOTSUPP; - goto out; - } - - if (!netif_running(dev)) { - err = -ENETDOWN; - goto out; - } - - err = cfg80211_disconnect(rdev, dev, reason, true); + if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) + return -EOPNOTSUPP; -out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); -unlock_rtnl: - rtnl_unlock(); - return err; + return cfg80211_disconnect(rdev, dev, reason, true); } static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; struct net *net; int err; u32 pid; @@ -4354,43 +3894,26 @@ static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); - rtnl_lock(); - - rdev = cfg80211_get_dev_from_info(info); - if (IS_ERR(rdev)) { - err = PTR_ERR(rdev); - goto out_rtnl; - } - net = get_net_ns_by_pid(pid); - if (IS_ERR(net)) { - err = PTR_ERR(net); - goto out; - } + if (IS_ERR(net)) + return PTR_ERR(net); err = 0; /* check if anything to do */ - if (net_eq(wiphy_net(&rdev->wiphy), net)) - goto out_put_net; + if (!net_eq(wiphy_net(&rdev->wiphy), net)) + err = cfg80211_switch_netns(rdev, net); - err = cfg80211_switch_netns(rdev, net); - out_put_net: put_net(net); - out: - cfg80211_unlock_rdev(rdev); - out_rtnl: - rtnl_unlock(); return err; } static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_pmksa *pmksa) = NULL; - int err; - struct net_device *dev; + struct net_device *dev = info->user_ptr[1]; struct cfg80211_pmksa pmksa; memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); @@ -4401,19 +3924,12 @@ static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) if (!info->attrs[NL80211_ATTR_PMKID]) return -EINVAL; - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto out_rtnl; - pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) { - err = -EOPNOTSUPP; - goto out; - } + if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) + return -EOPNOTSUPP; switch (info->genlhdr->cmd) { case NL80211_CMD_SET_PMKSA: @@ -4427,61 +3943,32 @@ static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) break; } - if (!rdev_ops) { - err = -EOPNOTSUPP; - goto out; - } - - err = rdev_ops(&rdev->wiphy, dev, &pmksa); - - out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); - out_rtnl: - rtnl_unlock(); + if (!rdev_ops) + return -EOPNOTSUPP; - return err; + return rdev_ops(&rdev->wiphy, dev, &pmksa); } static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; - int err; - struct net_device *dev; - - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto out_rtnl; - - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) { - err = -EOPNOTSUPP; - goto out; - } - - if (!rdev->ops->flush_pmksa) { - err = -EOPNOTSUPP; - goto out; - } - - err = rdev->ops->flush_pmksa(&rdev->wiphy, dev); + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; - out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); - out_rtnl: - rtnl_unlock(); + if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) + return -EOPNOTSUPP; - return err; + if (!rdev->ops->flush_pmksa) + return -EOPNOTSUPP; + return rdev->ops->flush_pmksa(&rdev->wiphy, dev); } static int nl80211_remain_on_channel(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; - struct net_device *dev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; struct ieee80211_channel *chan; struct sk_buff *msg; void *hdr; @@ -4503,21 +3990,8 @@ static int nl80211_remain_on_channel(struct sk_buff *skb, if (!duration || !msecs_to_jiffies(duration) || duration > 5000) return -EINVAL; - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto unlock_rtnl; - - if (!rdev->ops->remain_on_channel) { - err = -EOPNOTSUPP; - goto out; - } - - if (!netif_running(dev)) { - err = -ENETDOWN; - goto out; - } + if (!rdev->ops->remain_on_channel) + return -EOPNOTSUPP; if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { channel_type = nla_get_u32( @@ -4525,24 +3999,18 @@ static int nl80211_remain_on_channel(struct sk_buff *skb, if (channel_type != NL80211_CHAN_NO_HT && channel_type != NL80211_CHAN_HT20 && channel_type != NL80211_CHAN_HT40PLUS && - channel_type != NL80211_CHAN_HT40MINUS) { - err = -EINVAL; - goto out; - } + channel_type != NL80211_CHAN_HT40MINUS) + return -EINVAL; } freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); chan = rdev_freq_to_chan(rdev, freq, channel_type); - if (chan == NULL) { - err = -EINVAL; - goto out; - } + if (chan == NULL) + return -EINVAL; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (!msg) { - err = -ENOMEM; - goto out; - } + if (!msg) + return -ENOMEM; hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, NL80211_CMD_REMAIN_ON_CHANNEL); @@ -4561,58 +4029,32 @@ static int nl80211_remain_on_channel(struct sk_buff *skb, NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); genlmsg_end(msg, hdr); - err = genlmsg_reply(msg, info); - goto out; + + return genlmsg_reply(msg, info); nla_put_failure: err = -ENOBUFS; free_msg: nlmsg_free(msg); - out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); - unlock_rtnl: - rtnl_unlock(); return err; } static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; - struct net_device *dev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; u64 cookie; - int err; if (!info->attrs[NL80211_ATTR_COOKIE]) return -EINVAL; - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto unlock_rtnl; - - if (!rdev->ops->cancel_remain_on_channel) { - err = -EOPNOTSUPP; - goto out; - } - - if (!netif_running(dev)) { - err = -ENETDOWN; - goto out; - } + if (!rdev->ops->cancel_remain_on_channel) + return -EOPNOTSUPP; cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); - err = rdev->ops->cancel_remain_on_channel(&rdev->wiphy, dev, cookie); - - out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); - unlock_rtnl: - rtnl_unlock(); - return err; + return rdev->ops->cancel_remain_on_channel(&rdev->wiphy, dev, cookie); } static u32 rateset_to_mask(struct ieee80211_supported_band *sband, @@ -4648,26 +4090,18 @@ static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, struct genl_info *info) { struct nlattr *tb[NL80211_TXRATE_MAX + 1]; - struct cfg80211_registered_device *rdev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; struct cfg80211_bitrate_mask mask; - int err, rem, i; - struct net_device *dev; + int rem, i; + struct net_device *dev = info->user_ptr[1]; struct nlattr *tx_rates; struct ieee80211_supported_band *sband; if (info->attrs[NL80211_ATTR_TX_RATES] == NULL) return -EINVAL; - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto unlock_rtnl; - - if (!rdev->ops->set_bitrate_mask) { - err = -EOPNOTSUPP; - goto unlock; - } + if (!rdev->ops->set_bitrate_mask) + return -EOPNOTSUPP; memset(&mask, 0, sizeof(mask)); /* Default to all rates enabled */ @@ -4684,15 +4118,11 @@ static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) { enum ieee80211_band band = nla_type(tx_rates); - if (band < 0 || band >= IEEE80211_NUM_BANDS) { - err = -EINVAL; - goto unlock; - } + if (band < 0 || band >= IEEE80211_NUM_BANDS) + return -EINVAL; sband = rdev->wiphy.bands[band]; - if (sband == NULL) { - err = -EINVAL; - goto unlock; - } + if (sband == NULL) + return -EINVAL; nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates), nla_len(tx_rates), nl80211_txattr_policy); if (tb[NL80211_TXRATE_LEGACY]) { @@ -4700,68 +4130,48 @@ 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) { - err = -EINVAL; - goto unlock; - } + if (mask.control[band].legacy == 0) + return -EINVAL; } } - err = rdev->ops->set_bitrate_mask(&rdev->wiphy, dev, NULL, &mask); - - unlock: - dev_put(dev); - cfg80211_unlock_rdev(rdev); - unlock_rtnl: - rtnl_unlock(); - return err; + return rdev->ops->set_bitrate_mask(&rdev->wiphy, dev, NULL, &mask); } -static int nl80211_register_action(struct sk_buff *skb, struct genl_info *info) +static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; - struct net_device *dev; - int err; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; + u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) return -EINVAL; - if (nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]) < 1) - return -EINVAL; - - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto unlock_rtnl; + if (info->attrs[NL80211_ATTR_FRAME_TYPE]) + frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) { - err = -EOPNOTSUPP; - goto out; - } + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) + return -EOPNOTSUPP; /* not much point in registering if we can't reply */ - if (!rdev->ops->action) { - err = -EOPNOTSUPP; - goto out; - } + if (!rdev->ops->mgmt_tx) + return -EOPNOTSUPP; - err = cfg80211_mlme_register_action(dev->ieee80211_ptr, info->snd_pid, + return cfg80211_mlme_register_mgmt(dev->ieee80211_ptr, info->snd_pid, + frame_type, nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); - out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); - unlock_rtnl: - rtnl_unlock(); - return err; } -static int nl80211_action(struct sk_buff *skb, struct genl_info *info) +static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; - struct net_device *dev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; struct ieee80211_channel *chan; enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; bool channel_type_valid = false; @@ -4775,27 +4185,16 @@ static int nl80211_action(struct sk_buff *skb, struct genl_info *info) !info->attrs[NL80211_ATTR_WIPHY_FREQ]) return -EINVAL; - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto unlock_rtnl; - - if (!rdev->ops->action) { - err = -EOPNOTSUPP; - goto out; - } + if (!rdev->ops->mgmt_tx) + return -EOPNOTSUPP; if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) { - err = -EOPNOTSUPP; - goto out; - } - - if (!netif_running(dev)) { - err = -ENETDOWN; - goto out; - } + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) + return -EOPNOTSUPP; if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { channel_type = nla_get_u32( @@ -4803,147 +4202,104 @@ static int nl80211_action(struct sk_buff *skb, struct genl_info *info) if (channel_type != NL80211_CHAN_NO_HT && channel_type != NL80211_CHAN_HT20 && channel_type != NL80211_CHAN_HT40PLUS && - channel_type != NL80211_CHAN_HT40MINUS) { - err = -EINVAL; - goto out; - } + channel_type != NL80211_CHAN_HT40MINUS) + return -EINVAL; channel_type_valid = true; } freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); chan = rdev_freq_to_chan(rdev, freq, channel_type); - if (chan == NULL) { - err = -EINVAL; - goto out; - } + if (chan == NULL) + return -EINVAL; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (!msg) { - err = -ENOMEM; - goto out; - } + if (!msg) + return -ENOMEM; hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, - NL80211_CMD_ACTION); + NL80211_CMD_FRAME); if (IS_ERR(hdr)) { err = PTR_ERR(hdr); goto free_msg; } - err = cfg80211_mlme_action(rdev, dev, chan, channel_type, - channel_type_valid, - nla_data(info->attrs[NL80211_ATTR_FRAME]), - nla_len(info->attrs[NL80211_ATTR_FRAME]), - &cookie); + err = cfg80211_mlme_mgmt_tx(rdev, dev, chan, channel_type, + channel_type_valid, + nla_data(info->attrs[NL80211_ATTR_FRAME]), + nla_len(info->attrs[NL80211_ATTR_FRAME]), + &cookie); if (err) goto free_msg; NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); genlmsg_end(msg, hdr); - err = genlmsg_reply(msg, info); - goto out; + return genlmsg_reply(msg, info); nla_put_failure: err = -ENOBUFS; free_msg: nlmsg_free(msg); - out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); -unlock_rtnl: - rtnl_unlock(); return err; } static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; struct wireless_dev *wdev; - struct net_device *dev; + struct net_device *dev = info->user_ptr[1]; u8 ps_state; bool state; int err; - if (!info->attrs[NL80211_ATTR_PS_STATE]) { - err = -EINVAL; - goto out; - } + if (!info->attrs[NL80211_ATTR_PS_STATE]) + return -EINVAL; ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); - if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) { - err = -EINVAL; - goto out; - } - - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto unlock_rdev; + if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) + return -EINVAL; wdev = dev->ieee80211_ptr; - if (!rdev->ops->set_power_mgmt) { - err = -EOPNOTSUPP; - goto unlock_rdev; - } + if (!rdev->ops->set_power_mgmt) + return -EOPNOTSUPP; state = (ps_state == NL80211_PS_ENABLED) ? true : false; if (state == wdev->ps) - goto unlock_rdev; - - wdev->ps = state; - - if (rdev->ops->set_power_mgmt(wdev->wiphy, dev, wdev->ps, - wdev->ps_timeout)) - /* assume this means it's off */ - wdev->ps = false; - -unlock_rdev: - cfg80211_unlock_rdev(rdev); - dev_put(dev); - rtnl_unlock(); + return 0; -out: + err = rdev->ops->set_power_mgmt(wdev->wiphy, dev, state, + wdev->ps_timeout); + if (!err) + wdev->ps = state; return err; } static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) { - struct cfg80211_registered_device *rdev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; enum nl80211_ps_state ps_state; struct wireless_dev *wdev; - struct net_device *dev; + struct net_device *dev = info->user_ptr[1]; struct sk_buff *msg; void *hdr; int err; - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto unlock_rtnl; - wdev = dev->ieee80211_ptr; - if (!rdev->ops->set_power_mgmt) { - err = -EOPNOTSUPP; - goto out; - } + if (!rdev->ops->set_power_mgmt) + return -EOPNOTSUPP; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (!msg) { - err = -ENOMEM; - goto out; - } + if (!msg) + return -ENOMEM; hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, NL80211_CMD_GET_POWER_SAVE); if (!hdr) { - err = -ENOMEM; + err = -ENOBUFS; goto free_msg; } @@ -4955,22 +4311,12 @@ static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) NLA_PUT_U32(msg, NL80211_ATTR_PS_STATE, ps_state); genlmsg_end(msg, hdr); - err = genlmsg_reply(msg, info); - goto out; + return genlmsg_reply(msg, info); -nla_put_failure: + nla_put_failure: err = -ENOBUFS; - -free_msg: + free_msg: nlmsg_free(msg); - -out: - cfg80211_unlock_rdev(rdev); - dev_put(dev); - -unlock_rtnl: - rtnl_unlock(); - return err; } @@ -4984,41 +4330,24 @@ nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = { static int nl80211_set_cqm_rssi(struct genl_info *info, s32 threshold, u32 hysteresis) { - struct cfg80211_registered_device *rdev; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; struct wireless_dev *wdev; - struct net_device *dev; - int err; + struct net_device *dev = info->user_ptr[1]; if (threshold > 0) return -EINVAL; - rtnl_lock(); - - err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); - if (err) - goto unlock_rdev; - wdev = dev->ieee80211_ptr; - if (!rdev->ops->set_cqm_rssi_config) { - err = -EOPNOTSUPP; - goto unlock_rdev; - } - - if (wdev->iftype != NL80211_IFTYPE_STATION) { - err = -EOPNOTSUPP; - goto unlock_rdev; - } - - err = rdev->ops->set_cqm_rssi_config(wdev->wiphy, dev, - threshold, hysteresis); + if (!rdev->ops->set_cqm_rssi_config) + return -EOPNOTSUPP; -unlock_rdev: - cfg80211_unlock_rdev(rdev); - dev_put(dev); - rtnl_unlock(); + if (wdev->iftype != NL80211_IFTYPE_STATION && + wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) + return -EOPNOTSUPP; - return err; + return rdev->ops->set_cqm_rssi_config(wdev->wiphy, dev, + threshold, hysteresis); } static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) @@ -5052,6 +4381,65 @@ out: return err; } +#define NL80211_FLAG_NEED_WIPHY 0x01 +#define NL80211_FLAG_NEED_NETDEV 0x02 +#define NL80211_FLAG_NEED_RTNL 0x04 +#define NL80211_FLAG_CHECK_NETDEV_UP 0x08 +#define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ + NL80211_FLAG_CHECK_NETDEV_UP) + +static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, + struct genl_info *info) +{ + struct cfg80211_registered_device *rdev; + struct net_device *dev; + int err; + bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; + + if (rtnl) + rtnl_lock(); + + if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { + rdev = cfg80211_get_dev_from_info(info); + if (IS_ERR(rdev)) { + if (rtnl) + rtnl_unlock(); + return PTR_ERR(rdev); + } + info->user_ptr[0] = rdev; + } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { + err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); + if (err) { + if (rtnl) + rtnl_unlock(); + return err; + } + if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && + !netif_running(dev)) { + cfg80211_unlock_rdev(rdev); + dev_put(dev); + if (rtnl) + rtnl_unlock(); + return -ENETDOWN; + } + info->user_ptr[0] = rdev; + info->user_ptr[1] = dev; + } + + return 0; +} + +static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb, + struct genl_info *info) +{ + if (info->user_ptr[0]) + cfg80211_unlock_rdev(info->user_ptr[0]); + if (info->user_ptr[1]) + dev_put(info->user_ptr[1]); + if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) + rtnl_unlock(); +} + static struct genl_ops nl80211_ops[] = { { .cmd = NL80211_CMD_GET_WIPHY, @@ -5059,12 +4447,14 @@ static struct genl_ops nl80211_ops[] = { .dumpit = nl80211_dump_wiphy, .policy = nl80211_policy, /* can be retrieved by unprivileged users */ + .internal_flags = NL80211_FLAG_NEED_WIPHY, }, { .cmd = NL80211_CMD_SET_WIPHY, .doit = nl80211_set_wiphy, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_GET_INTERFACE, @@ -5072,90 +4462,119 @@ static struct genl_ops nl80211_ops[] = { .dumpit = nl80211_dump_interface, .policy = nl80211_policy, /* can be retrieved by unprivileged users */ + .internal_flags = NL80211_FLAG_NEED_NETDEV, }, { .cmd = NL80211_CMD_SET_INTERFACE, .doit = nl80211_set_interface, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_NEW_INTERFACE, .doit = nl80211_new_interface, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_WIPHY | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_DEL_INTERFACE, .doit = nl80211_del_interface, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_GET_KEY, .doit = nl80211_get_key, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_SET_KEY, .doit = nl80211_set_key, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_NEW_KEY, .doit = nl80211_new_key, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_DEL_KEY, .doit = nl80211_del_key, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_SET_BEACON, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, .doit = nl80211_addset_beacon, + .internal_flags = NL80211_FLAG_NEED_NETDEV | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_NEW_BEACON, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, .doit = nl80211_addset_beacon, + .internal_flags = NL80211_FLAG_NEED_NETDEV | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_DEL_BEACON, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, .doit = nl80211_del_beacon, + .internal_flags = NL80211_FLAG_NEED_NETDEV | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_GET_STATION, .doit = nl80211_get_station, .dumpit = nl80211_dump_station, .policy = nl80211_policy, + .internal_flags = NL80211_FLAG_NEED_NETDEV | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_SET_STATION, .doit = nl80211_set_station, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_NEW_STATION, .doit = nl80211_new_station, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_DEL_STATION, .doit = nl80211_del_station, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_GET_MPATH, @@ -5163,30 +4582,40 @@ static struct genl_ops nl80211_ops[] = { .dumpit = nl80211_dump_mpath, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_SET_MPATH, .doit = nl80211_set_mpath, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_NEW_MPATH, .doit = nl80211_new_mpath, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_DEL_MPATH, .doit = nl80211_del_mpath, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_SET_BSS, .doit = nl80211_set_bss, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_GET_REG, @@ -5211,18 +4640,24 @@ static struct genl_ops nl80211_ops[] = { .doit = nl80211_get_mesh_params, .policy = nl80211_policy, /* can be retrieved by unprivileged users */ + .internal_flags = NL80211_FLAG_NEED_NETDEV | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_SET_MESH_PARAMS, .doit = nl80211_set_mesh_params, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_TRIGGER_SCAN, .doit = nl80211_trigger_scan, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_GET_SCAN, @@ -5234,36 +4669,48 @@ static struct genl_ops nl80211_ops[] = { .doit = nl80211_authenticate, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_ASSOCIATE, .doit = nl80211_associate, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_DEAUTHENTICATE, .doit = nl80211_deauthenticate, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_DISASSOCIATE, .doit = nl80211_disassociate, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_JOIN_IBSS, .doit = nl80211_join_ibss, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_LEAVE_IBSS, .doit = nl80211_leave_ibss, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + NL80211_FLAG_NEED_RTNL, }, #ifdef CONFIG_NL80211_TESTMODE { @@ -5271,6 +4718,8 @@ static struct genl_ops nl80211_ops[] = { .doit = nl80211_testmode_do, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_WIPHY | + NL80211_FLAG_NEED_RTNL, }, #endif { @@ -5278,18 +4727,24 @@ static struct genl_ops nl80211_ops[] = { .doit = nl80211_connect, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_DISCONNECT, .doit = nl80211_disconnect, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_SET_WIPHY_NETNS, .doit = nl80211_wiphy_netns, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_WIPHY | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_GET_SURVEY, @@ -5301,72 +4756,104 @@ static struct genl_ops nl80211_ops[] = { .doit = nl80211_setdel_pmksa, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_DEL_PMKSA, .doit = nl80211_setdel_pmksa, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_FLUSH_PMKSA, .doit = nl80211_flush_pmksa, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, .doit = nl80211_remain_on_channel, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, .doit = nl80211_cancel_remain_on_channel, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, .doit = nl80211_set_tx_bitrate_mask, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV | + NL80211_FLAG_NEED_RTNL, }, { - .cmd = NL80211_CMD_REGISTER_ACTION, - .doit = nl80211_register_action, + .cmd = NL80211_CMD_REGISTER_FRAME, + .doit = nl80211_register_mgmt, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV | + NL80211_FLAG_NEED_RTNL, }, { - .cmd = NL80211_CMD_ACTION, - .doit = nl80211_action, + .cmd = NL80211_CMD_FRAME, + .doit = nl80211_tx_mgmt, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_SET_POWER_SAVE, .doit = nl80211_set_power_save, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_GET_POWER_SAVE, .doit = nl80211_get_power_save, .policy = nl80211_policy, /* can be retrieved by unprivileged users */ + .internal_flags = NL80211_FLAG_NEED_NETDEV | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_SET_CQM, .doit = nl80211_set_cqm, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV | + NL80211_FLAG_NEED_RTNL, }, { .cmd = NL80211_CMD_SET_CHANNEL, .doit = nl80211_set_channel, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV | + NL80211_FLAG_NEED_RTNL, + }, + { + .cmd = NL80211_CMD_SET_WDS_PEER, + .doit = nl80211_set_wds_peer, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV | + NL80211_FLAG_NEED_RTNL, }, }; @@ -6040,9 +5527,9 @@ void nl80211_send_sta_event(struct cfg80211_registered_device *rdev, nl80211_mlme_mcgrp.id, gfp); } -int nl80211_send_action(struct cfg80211_registered_device *rdev, - struct net_device *netdev, u32 nlpid, - int freq, const u8 *buf, size_t len, gfp_t gfp) +int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, + struct net_device *netdev, u32 nlpid, + int freq, const u8 *buf, size_t len, gfp_t gfp) { struct sk_buff *msg; void *hdr; @@ -6052,7 +5539,7 @@ int nl80211_send_action(struct cfg80211_registered_device *rdev, if (!msg) return -ENOMEM; - hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ACTION); + hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); if (!hdr) { nlmsg_free(msg); return -ENOMEM; @@ -6080,10 +5567,10 @@ int nl80211_send_action(struct cfg80211_registered_device *rdev, return -ENOBUFS; } -void nl80211_send_action_tx_status(struct cfg80211_registered_device *rdev, - struct net_device *netdev, u64 cookie, - const u8 *buf, size_t len, bool ack, - gfp_t gfp) +void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev, + struct net_device *netdev, u64 cookie, + const u8 *buf, size_t len, bool ack, + gfp_t gfp) { struct sk_buff *msg; void *hdr; @@ -6092,7 +5579,7 @@ void nl80211_send_action_tx_status(struct cfg80211_registered_device *rdev, if (!msg) return; - hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ACTION_TX_STATUS); + hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); if (!hdr) { nlmsg_free(msg); return; @@ -6179,7 +5666,7 @@ static int nl80211_netlink_notify(struct notifier_block * nb, list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) list_for_each_entry_rcu(wdev, &rdev->netdev_list, list) - cfg80211_mlme_unregister_actions(wdev, notify->pid); + cfg80211_mlme_unregister_socket(wdev, notify->pid); rcu_read_unlock(); diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h index 2ad7fbc7d9f1..30d2f939150d 100644 --- a/net/wireless/nl80211.h +++ b/net/wireless/nl80211.h @@ -74,13 +74,13 @@ void nl80211_send_sta_event(struct cfg80211_registered_device *rdev, struct net_device *dev, const u8 *mac_addr, struct station_info *sinfo, gfp_t gfp); -int nl80211_send_action(struct cfg80211_registered_device *rdev, - struct net_device *netdev, u32 nlpid, int freq, - const u8 *buf, size_t len, gfp_t gfp); -void nl80211_send_action_tx_status(struct cfg80211_registered_device *rdev, - struct net_device *netdev, u64 cookie, - const u8 *buf, size_t len, bool ack, - gfp_t gfp); +int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, + struct net_device *netdev, u32 nlpid, int freq, + const u8 *buf, size_t len, gfp_t gfp); +void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev, + struct net_device *netdev, u64 cookie, + const u8 *buf, size_t len, bool ack, + gfp_t gfp); void nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device *rdev, diff --git a/net/wireless/radiotap.c b/net/wireless/radiotap.c index 1332c445d1c7..dbe35e138e94 100644 --- a/net/wireless/radiotap.c +++ b/net/wireless/radiotap.c @@ -14,6 +14,7 @@ * See COPYING for more details. */ +#include <linux/kernel.h> #include <net/cfg80211.h> #include <net/ieee80211_radiotap.h> #include <asm/unaligned.h> @@ -45,7 +46,7 @@ static const struct radiotap_align_size rtap_namespace_sizes[] = { }; static const struct ieee80211_radiotap_namespace radiotap_ns = { - .n_bits = sizeof(rtap_namespace_sizes) / sizeof(rtap_namespace_sizes[0]), + .n_bits = ARRAY_SIZE(rtap_namespace_sizes), .align_size = rtap_namespace_sizes, }; @@ -200,7 +201,7 @@ int ieee80211_radiotap_iterator_next( { while (1) { int hit = 0; - int pad, align, size, subns, vnslen; + int pad, align, size, subns; uint32_t oui; /* if no more EXT bits, that's it */ @@ -260,6 +261,27 @@ int ieee80211_radiotap_iterator_next( if (pad) iterator->_arg += align - pad; + if (iterator->_arg_index % 32 == IEEE80211_RADIOTAP_VENDOR_NAMESPACE) { + int vnslen; + + if ((unsigned long)iterator->_arg + size - + (unsigned long)iterator->_rtheader > + (unsigned long)iterator->_max_length) + return -EINVAL; + + oui = (*iterator->_arg << 16) | + (*(iterator->_arg + 1) << 8) | + *(iterator->_arg + 2); + subns = *(iterator->_arg + 3); + + find_ns(iterator, oui, subns); + + vnslen = get_unaligned_le16(iterator->_arg + 4); + iterator->_next_ns_data = iterator->_arg + size + vnslen; + if (!iterator->current_namespace) + size += vnslen; + } + /* * this is what we will return to user, but we need to * move on first so next call has something fresh to test @@ -286,40 +308,25 @@ int ieee80211_radiotap_iterator_next( /* these special ones are valid in each bitmap word */ switch (iterator->_arg_index % 32) { case IEEE80211_RADIOTAP_VENDOR_NAMESPACE: - iterator->_bitmap_shifter >>= 1; - iterator->_arg_index++; - iterator->_reset_on_ext = 1; - vnslen = get_unaligned_le16(iterator->this_arg + 4); - iterator->_next_ns_data = iterator->_arg + vnslen; - oui = (*iterator->this_arg << 16) | - (*(iterator->this_arg + 1) << 8) | - *(iterator->this_arg + 2); - subns = *(iterator->this_arg + 3); - - find_ns(iterator, oui, subns); - iterator->is_radiotap_ns = 0; - /* allow parsers to show this information */ + /* + * If parser didn't register this vendor + * namespace with us, allow it to show it + * as 'raw. Do do that, set argument index + * to vendor namespace. + */ iterator->this_arg_index = IEEE80211_RADIOTAP_VENDOR_NAMESPACE; - iterator->this_arg_size += vnslen; - if ((unsigned long)iterator->this_arg + - iterator->this_arg_size - - (unsigned long)iterator->_rtheader > - (unsigned long)(unsigned long)iterator->_max_length) - return -EINVAL; - hit = 1; - break; + if (!iterator->current_namespace) + hit = 1; + goto next_entry; case IEEE80211_RADIOTAP_RADIOTAP_NAMESPACE: - iterator->_bitmap_shifter >>= 1; - iterator->_arg_index++; - iterator->_reset_on_ext = 1; iterator->current_namespace = &radiotap_ns; iterator->is_radiotap_ns = 1; - break; + goto next_entry; case IEEE80211_RADIOTAP_EXT: /* * bit 31 was set, there is more diff --git a/net/wireless/reg.c b/net/wireless/reg.c index f180db0de66c..d14bbf960c18 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -36,6 +36,7 @@ #include <linux/slab.h> #include <linux/list.h> #include <linux/random.h> +#include <linux/ctype.h> #include <linux/nl80211.h> #include <linux/platform_device.h> #include <net/cfg80211.h> @@ -73,7 +74,11 @@ const struct ieee80211_regdomain *cfg80211_regdomain; * - last_request */ static DEFINE_MUTEX(reg_mutex); -#define assert_reg_lock() WARN_ON(!mutex_is_locked(®_mutex)) + +static inline void assert_reg_lock(void) +{ + lockdep_assert_held(®_mutex); +} /* Used to queue up regulatory hints */ static LIST_HEAD(reg_requests_list); @@ -181,14 +186,6 @@ static bool is_alpha2_set(const char *alpha2) return false; } -static bool is_alpha_upper(char letter) -{ - /* ASCII A - Z */ - if (letter >= 65 && letter <= 90) - return true; - return false; -} - static bool is_unknown_alpha2(const char *alpha2) { if (!alpha2) @@ -220,7 +217,7 @@ static bool is_an_alpha2(const char *alpha2) { if (!alpha2) return false; - if (is_alpha_upper(alpha2[0]) && is_alpha_upper(alpha2[1])) + if (isalpha(alpha2[0]) && isalpha(alpha2[1])) return true; return false; } @@ -1399,6 +1396,11 @@ static DECLARE_WORK(reg_work, reg_todo); static void queue_regulatory_request(struct regulatory_request *request) { + if (isalpha(request->alpha2[0])) + request->alpha2[0] = toupper(request->alpha2[0]); + if (isalpha(request->alpha2[1])) + request->alpha2[1] = toupper(request->alpha2[1]); + spin_lock(®_requests_lock); list_add_tail(&request->list, ®_requests_list); spin_unlock(®_requests_lock); diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 5ca8c7180141..503ebb86ba18 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -650,14 +650,14 @@ void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *pub) bss = container_of(pub, struct cfg80211_internal_bss, pub); spin_lock_bh(&dev->bss_lock); + if (!list_empty(&bss->list)) { + list_del_init(&bss->list); + dev->bss_generation++; + rb_erase(&bss->rbn, &dev->bss_tree); - list_del(&bss->list); - dev->bss_generation++; - rb_erase(&bss->rbn, &dev->bss_tree); - + kref_put(&bss->ref, bss_release); + } spin_unlock_bh(&dev->bss_lock); - - kref_put(&bss->ref, bss_release); } EXPORT_SYMBOL(cfg80211_unlink_bss); diff --git a/net/wireless/sme.c b/net/wireless/sme.c index a8c2d6b877ae..e17b0bee6bdc 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -411,7 +411,8 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, ASSERT_WDEV_LOCK(wdev); - if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION)) + if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION && + wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)) return; if (wdev->sme_state != CFG80211_SME_CONNECTING) @@ -548,7 +549,8 @@ void __cfg80211_roamed(struct wireless_dev *wdev, const u8 *bssid, ASSERT_WDEV_LOCK(wdev); - if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION)) + if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION && + wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)) return; if (wdev->sme_state != CFG80211_SME_CONNECTED) @@ -644,7 +646,8 @@ void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, ASSERT_WDEV_LOCK(wdev); - if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION)) + if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION && + wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)) return; if (wdev->sme_state != CFG80211_SME_CONNECTED) @@ -695,7 +698,7 @@ void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, */ if (rdev->ops->del_key) for (i = 0; i < 6; i++) - rdev->ops->del_key(wdev->wiphy, dev, i, NULL); + rdev->ops->del_key(wdev->wiphy, dev, i, false, NULL); #ifdef CONFIG_CFG80211_WEXT memset(&wrqu, 0, sizeof(wrqu)); diff --git a/net/wireless/sysfs.c b/net/wireless/sysfs.c index 9f2cef3e0ca0..4294fa22bb2d 100644 --- a/net/wireless/sysfs.c +++ b/net/wireless/sysfs.c @@ -35,6 +35,14 @@ SHOW_FMT(index, "%d", wiphy_idx); SHOW_FMT(macaddress, "%pM", wiphy.perm_addr); SHOW_FMT(address_mask, "%pM", wiphy.addr_mask); +static ssize_t name_show(struct device *dev, + struct device_attribute *attr, + char *buf) { + struct wiphy *wiphy = &dev_to_rdev(dev)->wiphy; + return sprintf(buf, "%s\n", dev_name(&wiphy->dev)); +} + + static ssize_t addresses_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -57,6 +65,7 @@ static struct device_attribute ieee80211_dev_attrs[] = { __ATTR_RO(macaddress), __ATTR_RO(address_mask), __ATTR_RO(addresses), + __ATTR_RO(name), {} }; @@ -110,6 +119,13 @@ static int wiphy_resume(struct device *dev) return ret; } +static const void *wiphy_namespace(struct device *d) +{ + struct wiphy *wiphy = container_of(d, struct wiphy, dev); + + return wiphy_net(wiphy); +} + struct class ieee80211_class = { .name = "ieee80211", .owner = THIS_MODULE, @@ -120,6 +136,8 @@ struct class ieee80211_class = { #endif .suspend = wiphy_suspend, .resume = wiphy_resume, + .ns_type = &net_ns_type_operations, + .namespace = wiphy_namespace, }; int wiphy_sysfs_init(void) diff --git a/net/wireless/util.c b/net/wireless/util.c index 0c8a1e8b7690..76120aeda57d 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -144,19 +144,25 @@ void ieee80211_set_bitrate_flags(struct wiphy *wiphy) int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev, struct key_params *params, int key_idx, - const u8 *mac_addr) + bool pairwise, const u8 *mac_addr) { int i; if (key_idx > 5) return -EINVAL; + if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) + return -EINVAL; + + if (pairwise && !mac_addr) + return -EINVAL; + /* * Disallow pairwise keys with non-zero index unless it's WEP * (because current deployments use pairwise WEP keys with * non-zero indizes but 802.11i clearly specifies to use zero) */ - if (mac_addr && key_idx && + if (pairwise && key_idx && params->cipher != WLAN_CIPHER_SUITE_WEP40 && params->cipher != WLAN_CIPHER_SUITE_WEP104) return -EINVAL; @@ -183,7 +189,14 @@ int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev, return -EINVAL; break; default: - return -EINVAL; + /* + * We don't know anything about this algorithm, + * allow using it -- but the driver must check + * all parameters! We still check below whether + * or not the driver supports this algorithm, + * of course. + */ + break; } if (params->seq) { @@ -221,7 +234,7 @@ const unsigned char bridge_tunnel_header[] __aligned(2) = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 }; EXPORT_SYMBOL(bridge_tunnel_header); -unsigned int ieee80211_hdrlen(__le16 fc) +unsigned int __attribute_const__ ieee80211_hdrlen(__le16 fc) { unsigned int hdrlen = 24; @@ -319,7 +332,8 @@ int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr, cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) { case cpu_to_le16(IEEE80211_FCTL_TODS): if (unlikely(iftype != NL80211_IFTYPE_AP && - iftype != NL80211_IFTYPE_AP_VLAN)) + iftype != NL80211_IFTYPE_AP_VLAN && + iftype != NL80211_IFTYPE_P2P_GO)) return -1; break; case cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS): @@ -347,7 +361,8 @@ int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr, break; case cpu_to_le16(IEEE80211_FCTL_FROMDS): if ((iftype != NL80211_IFTYPE_STATION && - iftype != NL80211_IFTYPE_MESH_POINT) || + iftype != NL80211_IFTYPE_P2P_CLIENT && + iftype != NL80211_IFTYPE_MESH_POINT) || (is_multicast_ether_addr(dst) && !compare_ether_addr(src, addr))) return -1; @@ -424,6 +439,7 @@ int ieee80211_data_from_8023(struct sk_buff *skb, const u8 *addr, switch (iftype) { case NL80211_IFTYPE_AP: case NL80211_IFTYPE_AP_VLAN: + case NL80211_IFTYPE_P2P_GO: fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS); /* DA BSSID SA */ memcpy(hdr.addr1, skb->data, ETH_ALEN); @@ -432,6 +448,7 @@ int ieee80211_data_from_8023(struct sk_buff *skb, const u8 *addr, hdrlen = 24; break; case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_P2P_CLIENT: fc |= cpu_to_le16(IEEE80211_FCTL_TODS); /* BSSID SA DA */ memcpy(hdr.addr1, bssid, ETH_ALEN); @@ -666,7 +683,7 @@ void cfg80211_upload_connect_keys(struct wireless_dev *wdev) for (i = 0; i < 6; i++) { if (!wdev->connect_keys->params[i].cipher) continue; - if (rdev->ops->add_key(wdev->wiphy, dev, i, NULL, + if (rdev->ops->add_key(wdev->wiphy, dev, i, false, NULL, &wdev->connect_keys->params[i])) { printk(KERN_ERR "%s: failed to set key %d\n", dev->name, i); @@ -771,7 +788,9 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev, /* if it's part of a bridge, reject changing type to station/ibss */ if ((dev->priv_flags & IFF_BRIDGE_PORT) && - (ntype == NL80211_IFTYPE_ADHOC || ntype == NL80211_IFTYPE_STATION)) + (ntype == NL80211_IFTYPE_ADHOC || + ntype == NL80211_IFTYPE_STATION || + ntype == NL80211_IFTYPE_P2P_CLIENT)) return -EBUSY; if (ntype != otype) { @@ -782,6 +801,7 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev, cfg80211_leave_ibss(rdev, dev, false); break; case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_P2P_CLIENT: cfg80211_disconnect(rdev, dev, WLAN_REASON_DEAUTH_LEAVING, true); break; @@ -810,9 +830,11 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev, if (dev->ieee80211_ptr->use_4addr) break; /* fall through */ + case NL80211_IFTYPE_P2P_CLIENT: case NL80211_IFTYPE_ADHOC: dev->priv_flags |= IFF_DONT_BRIDGE; break; + case NL80211_IFTYPE_P2P_GO: case NL80211_IFTYPE_AP: case NL80211_IFTYPE_AP_VLAN: case NL80211_IFTYPE_WDS: @@ -823,7 +845,7 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev, /* monitor can't bridge anyway */ break; case NL80211_IFTYPE_UNSPECIFIED: - case __NL80211_IFTYPE_AFTER_LAST: + case NUM_NL80211_IFTYPES: /* not happening */ break; } diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c index 7e5c3a45f811..12222ee6ebf2 100644 --- a/net/wireless/wext-compat.c +++ b/net/wireless/wext-compat.c @@ -432,14 +432,17 @@ int cfg80211_wext_giwretry(struct net_device *dev, EXPORT_SYMBOL_GPL(cfg80211_wext_giwretry); static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev, - struct net_device *dev, const u8 *addr, - bool remove, bool tx_key, int idx, - struct key_params *params) + struct net_device *dev, bool pairwise, + const u8 *addr, bool remove, bool tx_key, + int idx, struct key_params *params) { struct wireless_dev *wdev = dev->ieee80211_ptr; int err, i; bool rejoin = false; + if (pairwise && !addr) + return -EINVAL; + if (!wdev->wext.keys) { wdev->wext.keys = kzalloc(sizeof(*wdev->wext.keys), GFP_KERNEL); @@ -478,7 +481,13 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev, __cfg80211_leave_ibss(rdev, wdev->netdev, true); rejoin = true; } - err = rdev->ops->del_key(&rdev->wiphy, dev, idx, addr); + + if (!pairwise && addr && + !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) + err = -ENOENT; + else + err = rdev->ops->del_key(&rdev->wiphy, dev, idx, + pairwise, addr); } wdev->wext.connect.privacy = false; /* @@ -507,12 +516,13 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev, if (addr) tx_key = false; - if (cfg80211_validate_key_settings(rdev, params, idx, addr)) + if (cfg80211_validate_key_settings(rdev, params, idx, pairwise, addr)) return -EINVAL; err = 0; if (wdev->current_bss) - err = rdev->ops->add_key(&rdev->wiphy, dev, idx, addr, params); + err = rdev->ops->add_key(&rdev->wiphy, dev, idx, + pairwise, addr, params); if (err) return err; @@ -563,17 +573,17 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev, } static int cfg80211_set_encryption(struct cfg80211_registered_device *rdev, - struct net_device *dev, const u8 *addr, - bool remove, bool tx_key, int idx, - struct key_params *params) + struct net_device *dev, bool pairwise, + const u8 *addr, bool remove, bool tx_key, + int idx, struct key_params *params) { int err; /* devlist mutex needed for possible IBSS re-join */ mutex_lock(&rdev->devlist_mtx); wdev_lock(dev->ieee80211_ptr); - err = __cfg80211_set_encryption(rdev, dev, addr, remove, - tx_key, idx, params); + err = __cfg80211_set_encryption(rdev, dev, pairwise, addr, + remove, tx_key, idx, params); wdev_unlock(dev->ieee80211_ptr); mutex_unlock(&rdev->devlist_mtx); @@ -635,7 +645,7 @@ int cfg80211_wext_siwencode(struct net_device *dev, else if (!remove) return -EINVAL; - return cfg80211_set_encryption(rdev, dev, NULL, remove, + return cfg80211_set_encryption(rdev, dev, false, NULL, remove, wdev->wext.default_key == -1, idx, ¶ms); } @@ -725,7 +735,9 @@ int cfg80211_wext_siwencodeext(struct net_device *dev, } return cfg80211_set_encryption( - rdev, dev, addr, remove, + rdev, dev, + !(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY), + addr, remove, ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY, idx, ¶ms); } @@ -1354,6 +1366,10 @@ struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev) } wstats.qual.updated |= IW_QUAL_NOISE_INVALID; + if (sinfo.filled & STATION_INFO_RX_DROP_MISC) + wstats.discard.misc = sinfo.rx_dropped_misc; + if (sinfo.filled & STATION_INFO_TX_FAILED) + wstats.discard.retries = sinfo.tx_failed; return &wstats; } diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c index 8f5116f5af19..dc675a3daa3d 100644 --- a/net/wireless/wext-core.c +++ b/net/wireless/wext-core.c @@ -611,7 +611,7 @@ struct iw_statistics *get_wireless_stats(struct net_device *dev) #endif #ifdef CONFIG_CFG80211_WEXT - if (dev->ieee80211_ptr && dev->ieee80211_ptr && + if (dev->ieee80211_ptr && dev->ieee80211_ptr->wiphy && dev->ieee80211_ptr->wiphy->wext && dev->ieee80211_ptr->wiphy->wext->get_wireless_stats) diff --git a/net/wireless/wext-sme.c b/net/wireless/wext-sme.c index 9818198add8a..6fffe62d7c25 100644 --- a/net/wireless/wext-sme.c +++ b/net/wireless/wext-sme.c @@ -197,6 +197,8 @@ int cfg80211_mgd_wext_siwessid(struct net_device *dev, wdev->wext.connect.ssid_len = len; wdev->wext.connect.crypto.control_port = false; + wdev->wext.connect.crypto.control_port_ethertype = + cpu_to_be16(ETH_P_PAE); err = cfg80211_mgd_wext_connect(rdev, wdev); out: |