diff options
Diffstat (limited to 'net/wireless')
-rw-r--r-- | net/wireless/chan.c | 1 | ||||
-rw-r--r-- | net/wireless/core.c | 16 | ||||
-rw-r--r-- | net/wireless/ibss.c | 4 | ||||
-rw-r--r-- | net/wireless/lib80211.c | 32 | ||||
-rw-r--r-- | net/wireless/mlme.c | 8 | ||||
-rw-r--r-- | net/wireless/nl80211.c | 249 | ||||
-rw-r--r-- | net/wireless/nl80211.h | 3 | ||||
-rw-r--r-- | net/wireless/rdev-ops.h | 31 | ||||
-rw-r--r-- | net/wireless/reg.c | 82 | ||||
-rw-r--r-- | net/wireless/scan.c | 22 | ||||
-rw-r--r-- | net/wireless/sme.c | 6 | ||||
-rw-r--r-- | net/wireless/trace.h | 45 | ||||
-rw-r--r-- | net/wireless/util.c | 3 | ||||
-rw-r--r-- | net/wireless/wext-compat.c | 2 | ||||
-rw-r--r-- | net/wireless/wext-sme.c | 2 |
15 files changed, 400 insertions, 106 deletions
diff --git a/net/wireless/chan.c b/net/wireless/chan.c index 992b34070bcb..72d81e2154d5 100644 --- a/net/wireless/chan.c +++ b/net/wireless/chan.c @@ -4,6 +4,7 @@ * any point in time. * * Copyright 2009 Johannes Berg <johannes@sipsolutions.net> + * Copyright 2013-2014 Intel Mobile Communications GmbH */ #include <linux/export.h> diff --git a/net/wireless/core.c b/net/wireless/core.c index afee5e0455ea..f52a4cd7017c 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -2,6 +2,7 @@ * This is the linux wireless configuration interface. * * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> + * Copyright 2013-2014 Intel Mobile Communications GmbH */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt @@ -492,12 +493,6 @@ int wiphy_register(struct wiphy *wiphy) int i; u16 ifmodes = wiphy->interface_modes; - /* - * There are major locking problems in nl80211/mac80211 for CSA, - * disable for all drivers until this has been reworked. - */ - wiphy->flags &= ~WIPHY_FLAG_HAS_CHANNEL_SWITCH; - #ifdef CONFIG_PM if (WARN_ON(wiphy->wowlan && (wiphy->wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) && @@ -635,6 +630,9 @@ int wiphy_register(struct wiphy *wiphy) if (IS_ERR(rdev->wiphy.debugfsdir)) rdev->wiphy.debugfsdir = NULL; + cfg80211_debugfs_rdev_add(rdev); + nl80211_notify_wiphy(rdev, NL80211_CMD_NEW_WIPHY); + if (wiphy->regulatory_flags & REGULATORY_CUSTOM_REG) { struct regulatory_request request; @@ -646,8 +644,6 @@ int wiphy_register(struct wiphy *wiphy) nl80211_send_reg_change_event(&request); } - cfg80211_debugfs_rdev_add(rdev); - rdev->wiphy.registered = true; rtnl_unlock(); @@ -659,8 +655,6 @@ int wiphy_register(struct wiphy *wiphy) return res; } - nl80211_notify_wiphy(rdev, NL80211_CMD_NEW_WIPHY); - return 0; } EXPORT_SYMBOL(wiphy_register); @@ -1012,7 +1006,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb, rdev->devlist_generation++; cfg80211_mlme_purge_registrations(wdev); #ifdef CONFIG_CFG80211_WEXT - kfree(wdev->wext.keys); + kzfree(wdev->wext.keys); #endif } /* diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c index 8f345da3ea5f..e24fc585c883 100644 --- a/net/wireless/ibss.c +++ b/net/wireless/ibss.c @@ -115,7 +115,7 @@ static int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev, } if (WARN_ON(wdev->connect_keys)) - kfree(wdev->connect_keys); + kzfree(wdev->connect_keys); wdev->connect_keys = connkeys; wdev->ibss_fixed = params->channel_fixed; @@ -161,7 +161,7 @@ static void __cfg80211_clear_ibss(struct net_device *dev, bool nowext) ASSERT_WDEV_LOCK(wdev); - kfree(wdev->connect_keys); + kzfree(wdev->connect_keys); wdev->connect_keys = NULL; rdev_set_qos_map(rdev, dev, NULL); diff --git a/net/wireless/lib80211.c b/net/wireless/lib80211.c index a55c27b75ee5..459611577d3d 100644 --- a/net/wireless/lib80211.c +++ b/net/wireless/lib80211.c @@ -46,38 +46,6 @@ static void lib80211_crypt_deinit_entries(struct lib80211_crypt_info *info, static void lib80211_crypt_quiescing(struct lib80211_crypt_info *info); static void lib80211_crypt_deinit_handler(unsigned long data); -const char *print_ssid(char *buf, const char *ssid, u8 ssid_len) -{ - const char *s = ssid; - char *d = buf; - - ssid_len = min_t(u8, ssid_len, IEEE80211_MAX_SSID_LEN); - while (ssid_len--) { - if (isprint(*s)) { - *d++ = *s++; - continue; - } - - *d++ = '\\'; - if (*s == '\0') - *d++ = '0'; - else if (*s == '\n') - *d++ = 'n'; - else if (*s == '\r') - *d++ = 'r'; - else if (*s == '\t') - *d++ = 't'; - else if (*s == '\\') - *d++ = '\\'; - else - d += snprintf(d, 3, "%03o", *s); - s++; - } - *d = '\0'; - return buf; -} -EXPORT_SYMBOL(print_ssid); - int lib80211_crypt_info_init(struct lib80211_crypt_info *info, char *name, spinlock_t *lock) { diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c index 266766b8d80b..2c52b59e43f3 100644 --- a/net/wireless/mlme.c +++ b/net/wireless/mlme.c @@ -19,7 +19,7 @@ void cfg80211_rx_assoc_resp(struct net_device *dev, struct cfg80211_bss *bss, - const u8 *buf, size_t len) + const u8 *buf, size_t len, int uapsd_queues) { struct wireless_dev *wdev = dev->ieee80211_ptr; struct wiphy *wiphy = wdev->wiphy; @@ -43,7 +43,7 @@ void cfg80211_rx_assoc_resp(struct net_device *dev, struct cfg80211_bss *bss, return; } - nl80211_send_rx_assoc(rdev, dev, buf, len, GFP_KERNEL); + nl80211_send_rx_assoc(rdev, dev, buf, len, GFP_KERNEL, uapsd_queues); /* update current_bss etc., consumes the bss reference */ __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, ie, len - ieoffs, status_code, @@ -605,7 +605,7 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, } bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_mbm, - const u8 *buf, size_t len, u32 flags, gfp_t gfp) + const u8 *buf, size_t len, u32 flags) { struct wiphy *wiphy = wdev->wiphy; struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); @@ -648,7 +648,7 @@ bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_mbm, /* Indicate the received Action frame to user space */ if (nl80211_send_mgmt(rdev, wdev, reg->nlportid, freq, sig_mbm, - buf, len, flags, gfp)) + buf, len, flags, GFP_ATOMIC)) continue; result = true; diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 7257164af91b..cb9f5a44ffad 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -2,6 +2,7 @@ * This is the new netlink-based wireless configuration interface. * * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> + * Copyright 2013-2014 Intel Mobile Communications GmbH */ #include <linux/if.h> @@ -225,6 +226,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 }, [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 }, [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 }, + [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG }, [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 }, [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 }, @@ -388,6 +390,11 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 }, [NL80211_ATTR_IFACE_SOCKET_OWNER] = { .type = NLA_FLAG }, [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY }, + [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG }, + [NL80211_ATTR_TSID] = { .type = NLA_U8 }, + [NL80211_ATTR_USER_PRIO] = { .type = NLA_U8 }, + [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 }, + [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 }, }; /* policy for the key attributes */ @@ -1507,6 +1514,9 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH) CMD(channel_switch, CHANNEL_SWITCH); CMD(set_qos_map, SET_QOS_MAP); + if (rdev->wiphy.flags & + WIPHY_FLAG_SUPPORTS_WMM_ADMISSION) + CMD(add_tx_ts, ADD_TX_TS); } /* add into the if now */ #undef CMD @@ -2237,11 +2247,21 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) } if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { + if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) + return -EINVAL; + coverage_class = nla_get_u8( info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); changed |= WIPHY_PARAM_COVERAGE_CLASS; } + if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) { + if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION)) + return -EOPNOTSUPP; + + changed |= WIPHY_PARAM_DYN_ACK; + } + if (changed) { u8 old_retry_short, old_retry_long; u32 old_frag_threshold, old_rts_threshold; @@ -3326,6 +3346,29 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) return PTR_ERR(params.acl); } + if (info->attrs[NL80211_ATTR_SMPS_MODE]) { + params.smps_mode = + nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]); + switch (params.smps_mode) { + case NL80211_SMPS_OFF: + break; + case NL80211_SMPS_STATIC: + if (!(rdev->wiphy.features & + NL80211_FEATURE_STATIC_SMPS)) + return -EINVAL; + break; + case NL80211_SMPS_DYNAMIC: + if (!(rdev->wiphy.features & + NL80211_FEATURE_DYNAMIC_SMPS)) + return -EINVAL; + break; + default: + return -EINVAL; + } + } else { + params.smps_mode = NL80211_SMPS_OFF; + } + wdev_lock(wdev); err = rdev_start_ap(rdev, dev, ¶ms); if (!err) { @@ -6033,7 +6076,6 @@ static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, const struct cfg80211_bss_ies *ies; void *hdr; struct nlattr *bss; - bool tsf = false; ASSERT_WDEV_LOCK(wdev); @@ -6060,18 +6102,27 @@ static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, goto nla_put_failure; rcu_read_lock(); + /* indicate whether we have probe response data or not */ + if (rcu_access_pointer(res->proberesp_ies) && + nla_put_flag(msg, NL80211_BSS_PRESP_DATA)) + goto fail_unlock_rcu; + + /* this pointer prefers to be pointed to probe response data + * but is always valid + */ ies = rcu_dereference(res->ies); if (ies) { if (nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf)) goto fail_unlock_rcu; - tsf = true; if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS, ies->len, ies->data)) goto fail_unlock_rcu; } + + /* and this pointer is always (unless driver didn't know) beacon data */ ies = rcu_dereference(res->beacon_ies); - if (ies) { - if (!tsf && nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf)) + if (ies && ies->from_beacon) { + if (nla_put_u64(msg, NL80211_BSS_BEACON_TSF, ies->tsf)) goto fail_unlock_rcu; if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES, ies->len, ies->data)) @@ -6575,6 +6626,14 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) sizeof(req.vht_capa)); } + if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { + if (!(rdev->wiphy.features & + NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) || + !(rdev->wiphy.features & NL80211_FEATURE_QUIET)) + return -EINVAL; + req.flags |= ASSOC_REQ_USE_RRM; + } + err = nl80211_crypto_settings(rdev, info, &req.crypto, 1); if (!err) { wdev_lock(dev->ieee80211_ptr); @@ -6837,7 +6896,7 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); if (err) - kfree(connkeys); + kzfree(connkeys); return err; } @@ -7209,7 +7268,7 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) { - kfree(connkeys); + kzfree(connkeys); return -EINVAL; } memcpy(&connect.ht_capa, @@ -7227,7 +7286,7 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) { - kfree(connkeys); + kzfree(connkeys); return -EINVAL; } memcpy(&connect.vht_capa, @@ -7235,11 +7294,19 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) sizeof(connect.vht_capa)); } + if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { + if (!(rdev->wiphy.features & + NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) || + !(rdev->wiphy.features & NL80211_FEATURE_QUIET)) + return -EINVAL; + connect.flags |= ASSOC_REQ_USE_RRM; + } + wdev_lock(dev->ieee80211_ptr); err = cfg80211_connect(rdev, dev, &connect, connkeys, NULL); wdev_unlock(dev->ieee80211_ptr); if (err) - kfree(connkeys); + kzfree(connkeys); return err; } @@ -8925,13 +8992,9 @@ static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) return -ERANGE; - memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]), - NL80211_KEK_LEN); - memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]), - NL80211_KCK_LEN); - memcpy(rekey_data.replay_ctr, - nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]), - NL80211_REPLAY_CTR_LEN); + rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]); + rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]); + rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]); wdev_lock(wdev); if (!wdev->current_bss) { @@ -9363,6 +9426,93 @@ static int nl80211_set_qos_map(struct sk_buff *skb, return ret; } +static int nl80211_add_tx_ts(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 *peer; + u8 tsid, up; + u16 admitted_time = 0; + int err; + + if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_WMM_ADMISSION)) + return -EOPNOTSUPP; + + if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] || + !info->attrs[NL80211_ATTR_USER_PRIO]) + return -EINVAL; + + tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]); + if (tsid >= IEEE80211_NUM_TIDS) + return -EINVAL; + + up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]); + if (up >= IEEE80211_NUM_UPS) + return -EINVAL; + + /* WMM uses TIDs 0-7 even for TSPEC */ + if (tsid < IEEE80211_FIRST_TSPEC_TSID) { + if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_WMM_ADMISSION)) + return -EINVAL; + } else { + /* TODO: handle 802.11 TSPEC/admission control + * need more attributes for that (e.g. BA session requirement) + */ + return -EINVAL; + } + + peer = nla_data(info->attrs[NL80211_ATTR_MAC]); + + if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) { + admitted_time = + nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]); + if (!admitted_time) + return -EINVAL; + } + + wdev_lock(wdev); + switch (wdev->iftype) { + case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_P2P_CLIENT: + if (wdev->current_bss) + break; + err = -ENOTCONN; + goto out; + default: + err = -EOPNOTSUPP; + goto out; + } + + err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time); + + out: + wdev_unlock(wdev); + return err; +} + +static int nl80211_del_tx_ts(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 *peer; + u8 tsid; + int err; + + if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC]) + return -EINVAL; + + tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]); + peer = nla_data(info->attrs[NL80211_ATTR_MAC]); + + wdev_lock(wdev); + err = rdev_del_tx_ts(rdev, dev, tsid, peer); + wdev_unlock(wdev); + + return err; +} + #define NL80211_FLAG_NEED_WIPHY 0x01 #define NL80211_FLAG_NEED_NETDEV 0x02 #define NL80211_FLAG_NEED_RTNL 0x04 @@ -9373,6 +9523,7 @@ static int nl80211_set_qos_map(struct sk_buff *skb, /* If a netdev is associated, it must be UP, P2P must be started */ #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\ NL80211_FLAG_CHECK_NETDEV_UP) +#define NL80211_FLAG_CLEAR_SKB 0x20 static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, struct genl_info *info) @@ -9456,8 +9607,20 @@ static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, dev_put(info->user_ptr[1]); } } + if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) rtnl_unlock(); + + /* If needed, clear the netlink message payload from the SKB + * as it might contain key data that shouldn't stick around on + * the heap after the SKB is freed. The netlink message header + * is still needed for further processing, so leave it intact. + */ + if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) { + struct nlmsghdr *nlh = nlmsg_hdr(skb); + + memset(nlmsg_data(nlh), 0, nlmsg_len(nlh)); + } } static const struct genl_ops nl80211_ops[] = { @@ -9525,7 +9688,8 @@ static const struct genl_ops nl80211_ops[] = { .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, + NL80211_FLAG_NEED_RTNL | + NL80211_FLAG_CLEAR_SKB, }, { .cmd = NL80211_CMD_NEW_KEY, @@ -9533,7 +9697,8 @@ static const struct genl_ops nl80211_ops[] = { .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, + NL80211_FLAG_NEED_RTNL | + NL80211_FLAG_CLEAR_SKB, }, { .cmd = NL80211_CMD_DEL_KEY, @@ -9711,7 +9876,8 @@ static const struct genl_ops nl80211_ops[] = { .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, + NL80211_FLAG_NEED_RTNL | + NL80211_FLAG_CLEAR_SKB, }, { .cmd = NL80211_CMD_ASSOCIATE, @@ -9945,7 +10111,8 @@ static const struct genl_ops nl80211_ops[] = { .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | - NL80211_FLAG_NEED_RTNL, + NL80211_FLAG_NEED_RTNL | + NL80211_FLAG_CLEAR_SKB, }, { .cmd = NL80211_CMD_TDLS_MGMT, @@ -10103,6 +10270,22 @@ static const struct genl_ops nl80211_ops[] = { .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | NL80211_FLAG_NEED_RTNL, }, + { + .cmd = NL80211_CMD_ADD_TX_TS, + .doit = nl80211_add_tx_ts, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + NL80211_FLAG_NEED_RTNL, + }, + { + .cmd = NL80211_CMD_DEL_TX_TS, + .doit = nl80211_del_tx_ts, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + NL80211_FLAG_NEED_RTNL, + }, }; /* notification functions */ @@ -10371,7 +10554,8 @@ nla_put_failure: static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, struct net_device *netdev, const u8 *buf, size_t len, - enum nl80211_commands cmd, gfp_t gfp) + enum nl80211_commands cmd, gfp_t gfp, + int uapsd_queues) { struct sk_buff *msg; void *hdr; @@ -10391,6 +10575,19 @@ static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, nla_put(msg, NL80211_ATTR_FRAME, len, buf)) goto nla_put_failure; + if (uapsd_queues >= 0) { + struct nlattr *nla_wmm = + nla_nest_start(msg, NL80211_ATTR_STA_WME); + if (!nla_wmm) + goto nla_put_failure; + + if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES, + uapsd_queues)) + goto nla_put_failure; + + nla_nest_end(msg, nla_wmm); + } + genlmsg_end(msg, hdr); genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, @@ -10407,15 +10604,15 @@ void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, size_t len, gfp_t gfp) { nl80211_send_mlme_event(rdev, netdev, buf, len, - NL80211_CMD_AUTHENTICATE, gfp); + NL80211_CMD_AUTHENTICATE, gfp, -1); } void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, struct net_device *netdev, const u8 *buf, - size_t len, gfp_t gfp) + size_t len, gfp_t gfp, int uapsd_queues) { nl80211_send_mlme_event(rdev, netdev, buf, len, - NL80211_CMD_ASSOCIATE, gfp); + NL80211_CMD_ASSOCIATE, gfp, uapsd_queues); } void nl80211_send_deauth(struct cfg80211_registered_device *rdev, @@ -10423,7 +10620,7 @@ void nl80211_send_deauth(struct cfg80211_registered_device *rdev, size_t len, gfp_t gfp) { nl80211_send_mlme_event(rdev, netdev, buf, len, - NL80211_CMD_DEAUTHENTICATE, gfp); + NL80211_CMD_DEAUTHENTICATE, gfp, -1); } void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, @@ -10431,7 +10628,7 @@ void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, size_t len, gfp_t gfp) { nl80211_send_mlme_event(rdev, netdev, buf, len, - NL80211_CMD_DISASSOCIATE, gfp); + NL80211_CMD_DISASSOCIATE, gfp, -1); } void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf, @@ -10452,7 +10649,7 @@ void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf, cmd = NL80211_CMD_UNPROT_DISASSOCIATE; trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len); - nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC); + nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1); } EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt); diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h index 49c9a482dd12..7ad70d6f0cc6 100644 --- a/net/wireless/nl80211.h +++ b/net/wireless/nl80211.h @@ -23,7 +23,8 @@ void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, const u8 *buf, size_t len, gfp_t gfp); void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, struct net_device *netdev, - const u8 *buf, size_t len, gfp_t gfp); + const u8 *buf, size_t len, gfp_t gfp, + int uapsd_queues); void nl80211_send_deauth(struct cfg80211_registered_device *rdev, struct net_device *netdev, const u8 *buf, size_t len, gfp_t gfp); diff --git a/net/wireless/rdev-ops.h b/net/wireless/rdev-ops.h index 56c2240c30ce..f6d457d6a558 100644 --- a/net/wireless/rdev-ops.h +++ b/net/wireless/rdev-ops.h @@ -915,4 +915,35 @@ rdev_set_ap_chanwidth(struct cfg80211_registered_device *rdev, return ret; } +static inline int +rdev_add_tx_ts(struct cfg80211_registered_device *rdev, + struct net_device *dev, u8 tsid, const u8 *peer, + u8 user_prio, u16 admitted_time) +{ + int ret = -EOPNOTSUPP; + + trace_rdev_add_tx_ts(&rdev->wiphy, dev, tsid, peer, + user_prio, admitted_time); + if (rdev->ops->add_tx_ts) + ret = rdev->ops->add_tx_ts(&rdev->wiphy, dev, tsid, peer, + user_prio, admitted_time); + trace_rdev_return_int(&rdev->wiphy, ret); + + return ret; +} + +static inline int +rdev_del_tx_ts(struct cfg80211_registered_device *rdev, + struct net_device *dev, u8 tsid, const u8 *peer) +{ + int ret = -EOPNOTSUPP; + + trace_rdev_del_tx_ts(&rdev->wiphy, dev, tsid, peer); + if (rdev->ops->del_tx_ts) + ret = rdev->ops->del_tx_ts(&rdev->wiphy, dev, tsid, peer); + trace_rdev_return_int(&rdev->wiphy, ret); + + return ret; +} + #endif /* __CFG80211_RDEV_OPS */ diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 1afdf45db38f..b725a31a4751 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -3,6 +3,7 @@ * Copyright 2005-2006, Devicescape Software, Inc. * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> * Copyright 2008-2011 Luis R. Rodriguez <mcgrof@qca.qualcomm.com> + * Copyright 2013-2014 Intel Mobile Communications GmbH * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -798,6 +799,57 @@ static int reg_rules_intersect(const struct ieee80211_regdomain *rd1, return 0; } +/* check whether old rule contains new rule */ +static bool rule_contains(struct ieee80211_reg_rule *r1, + struct ieee80211_reg_rule *r2) +{ + /* for simplicity, currently consider only same flags */ + if (r1->flags != r2->flags) + return false; + + /* verify r1 is more restrictive */ + if ((r1->power_rule.max_antenna_gain > + r2->power_rule.max_antenna_gain) || + r1->power_rule.max_eirp > r2->power_rule.max_eirp) + return false; + + /* make sure r2's range is contained within r1 */ + if (r1->freq_range.start_freq_khz > r2->freq_range.start_freq_khz || + r1->freq_range.end_freq_khz < r2->freq_range.end_freq_khz) + return false; + + /* and finally verify that r1.max_bw >= r2.max_bw */ + if (r1->freq_range.max_bandwidth_khz < + r2->freq_range.max_bandwidth_khz) + return false; + + return true; +} + +/* add or extend current rules. do nothing if rule is already contained */ +static void add_rule(struct ieee80211_reg_rule *rule, + struct ieee80211_reg_rule *reg_rules, u32 *n_rules) +{ + struct ieee80211_reg_rule *tmp_rule; + int i; + + for (i = 0; i < *n_rules; i++) { + tmp_rule = ®_rules[i]; + /* rule is already contained - do nothing */ + if (rule_contains(tmp_rule, rule)) + return; + + /* extend rule if possible */ + if (rule_contains(rule, tmp_rule)) { + memcpy(tmp_rule, rule, sizeof(*rule)); + return; + } + } + + memcpy(®_rules[*n_rules], rule, sizeof(*rule)); + (*n_rules)++; +} + /** * regdom_intersect - do the intersection between two regulatory domains * @rd1: first regulatory domain @@ -817,12 +869,10 @@ regdom_intersect(const struct ieee80211_regdomain *rd1, { int r, size_of_regd; unsigned int x, y; - unsigned int num_rules = 0, rule_idx = 0; + unsigned int num_rules = 0; const struct ieee80211_reg_rule *rule1, *rule2; - struct ieee80211_reg_rule *intersected_rule; + struct ieee80211_reg_rule intersected_rule; struct ieee80211_regdomain *rd; - /* This is just a dummy holder to help us count */ - struct ieee80211_reg_rule dummy_rule; if (!rd1 || !rd2) return NULL; @@ -840,7 +890,7 @@ regdom_intersect(const struct ieee80211_regdomain *rd1, for (y = 0; y < rd2->n_reg_rules; y++) { rule2 = &rd2->reg_rules[y]; if (!reg_rules_intersect(rd1, rd2, rule1, rule2, - &dummy_rule)) + &intersected_rule)) num_rules++; } } @@ -855,34 +905,24 @@ regdom_intersect(const struct ieee80211_regdomain *rd1, if (!rd) return NULL; - for (x = 0; x < rd1->n_reg_rules && rule_idx < num_rules; x++) { + for (x = 0; x < rd1->n_reg_rules; x++) { rule1 = &rd1->reg_rules[x]; - for (y = 0; y < rd2->n_reg_rules && rule_idx < num_rules; y++) { + for (y = 0; y < rd2->n_reg_rules; y++) { rule2 = &rd2->reg_rules[y]; - /* - * This time around instead of using the stack lets - * write to the target rule directly saving ourselves - * a memcpy() - */ - intersected_rule = &rd->reg_rules[rule_idx]; r = reg_rules_intersect(rd1, rd2, rule1, rule2, - intersected_rule); + &intersected_rule); /* * No need to memset here the intersected rule here as * we're not using the stack anymore */ if (r) continue; - rule_idx++; - } - } - if (rule_idx != num_rules) { - kfree(rd); - return NULL; + add_rule(&intersected_rule, rd->reg_rules, + &rd->n_reg_rules); + } } - rd->n_reg_rules = num_rules; rd->alpha2[0] = '9'; rd->alpha2[1] = '8'; rd->dfs_region = reg_intersect_dfs_region(rd1->dfs_region, diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 0798c62e6085..bda39f149810 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -2,6 +2,7 @@ * cfg80211 scan result handling * * Copyright 2008 Johannes Berg <johannes@sipsolutions.net> + * Copyright 2013-2014 Intel Mobile Communications GmbH */ #include <linux/kernel.h> #include <linux/slab.h> @@ -884,6 +885,7 @@ struct cfg80211_bss* cfg80211_inform_bss_width(struct wiphy *wiphy, struct ieee80211_channel *rx_channel, enum nl80211_bss_scan_width scan_width, + enum cfg80211_bss_frame_type ftype, const u8 *bssid, u64 tsf, u16 capability, u16 beacon_interval, const u8 *ie, size_t ielen, s32 signal, gfp_t gfp) @@ -911,21 +913,32 @@ cfg80211_inform_bss_width(struct wiphy *wiphy, tmp.pub.beacon_interval = beacon_interval; tmp.pub.capability = capability; /* - * Since we do not know here whether the IEs are from a Beacon or Probe + * If we do not know here whether the IEs are from a Beacon or Probe * Response frame, we need to pick one of the options and only use it * with the driver that does not provide the full Beacon/Probe Response * frame. Use Beacon frame pointer to avoid indicating that this should * override the IEs pointer should we have received an earlier * indication of Probe Response data. */ - ies = kmalloc(sizeof(*ies) + ielen, gfp); + ies = kzalloc(sizeof(*ies) + ielen, gfp); if (!ies) return NULL; ies->len = ielen; ies->tsf = tsf; + ies->from_beacon = false; memcpy(ies->data, ie, ielen); - rcu_assign_pointer(tmp.pub.beacon_ies, ies); + switch (ftype) { + case CFG80211_BSS_FTYPE_BEACON: + ies->from_beacon = true; + /* fall through to assign */ + case CFG80211_BSS_FTYPE_UNKNOWN: + rcu_assign_pointer(tmp.pub.beacon_ies, ies); + break; + case CFG80211_BSS_FTYPE_PRESP: + rcu_assign_pointer(tmp.pub.proberesp_ies, ies); + break; + } rcu_assign_pointer(tmp.pub.ies, ies); signal_valid = abs(rx_channel->center_freq - channel->center_freq) <= @@ -982,11 +995,12 @@ cfg80211_inform_bss_width_frame(struct wiphy *wiphy, if (!channel) return NULL; - ies = kmalloc(sizeof(*ies) + ielen, gfp); + ies = kzalloc(sizeof(*ies) + ielen, gfp); if (!ies) return NULL; ies->len = ielen; ies->tsf = le64_to_cpu(mgmt->u.probe_resp.timestamp); + ies->from_beacon = ieee80211_is_beacon(mgmt->frame_control); memcpy(ies->data, mgmt->u.probe_resp.variable, ielen); if (ieee80211_is_probe_resp(mgmt->frame_control)) diff --git a/net/wireless/sme.c b/net/wireless/sme.c index 8bbeeb302216..dc1668ff543b 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -641,7 +641,7 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, } if (status != WLAN_STATUS_SUCCESS) { - kfree(wdev->connect_keys); + kzfree(wdev->connect_keys); wdev->connect_keys = NULL; wdev->ssid_len = 0; if (bss) { @@ -918,7 +918,7 @@ int cfg80211_connect(struct cfg80211_registered_device *rdev, ASSERT_WDEV_LOCK(wdev); if (WARN_ON(wdev->connect_keys)) { - kfree(wdev->connect_keys); + kzfree(wdev->connect_keys); wdev->connect_keys = NULL; } @@ -978,7 +978,7 @@ int cfg80211_disconnect(struct cfg80211_registered_device *rdev, ASSERT_WDEV_LOCK(wdev); - kfree(wdev->connect_keys); + kzfree(wdev->connect_keys); wdev->connect_keys = NULL; if (wdev->conn) diff --git a/net/wireless/trace.h b/net/wireless/trace.h index 0c524cd76c83..625a6e6d1168 100644 --- a/net/wireless/trace.h +++ b/net/wireless/trace.h @@ -1896,6 +1896,51 @@ TRACE_EVENT(rdev_set_ap_chanwidth, WIPHY_PR_ARG, NETDEV_PR_ARG, CHAN_DEF_PR_ARG) ); +TRACE_EVENT(rdev_add_tx_ts, + TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, + u8 tsid, const u8 *peer, u8 user_prio, u16 admitted_time), + TP_ARGS(wiphy, netdev, tsid, peer, user_prio, admitted_time), + TP_STRUCT__entry( + WIPHY_ENTRY + NETDEV_ENTRY + MAC_ENTRY(peer) + __field(u8, tsid) + __field(u8, user_prio) + __field(u16, admitted_time) + ), + TP_fast_assign( + WIPHY_ASSIGN; + NETDEV_ASSIGN; + MAC_ASSIGN(peer, peer); + __entry->tsid = tsid; + __entry->user_prio = user_prio; + __entry->admitted_time = admitted_time; + ), + TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " MAC_PR_FMT ", TSID %d, UP %d, time %d", + WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(peer), + __entry->tsid, __entry->user_prio, __entry->admitted_time) +); + +TRACE_EVENT(rdev_del_tx_ts, + TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, + u8 tsid, const u8 *peer), + TP_ARGS(wiphy, netdev, tsid, peer), + TP_STRUCT__entry( + WIPHY_ENTRY + NETDEV_ENTRY + MAC_ENTRY(peer) + __field(u8, tsid) + ), + TP_fast_assign( + WIPHY_ASSIGN; + NETDEV_ASSIGN; + MAC_ASSIGN(peer, peer); + __entry->tsid = tsid; + ), + TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " MAC_PR_FMT ", TSID %d", + WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(peer), __entry->tsid) +); + /************************************************************* * cfg80211 exported functions traces * *************************************************************/ diff --git a/net/wireless/util.c b/net/wireless/util.c index 728f1c0dc70d..5e233a577d0f 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -2,6 +2,7 @@ * Wireless utility functions * * Copyright 2007-2009 Johannes Berg <johannes@sipsolutions.net> + * Copyright 2013-2014 Intel Mobile Communications GmbH */ #include <linux/export.h> #include <linux/bitops.h> @@ -796,7 +797,7 @@ void cfg80211_upload_connect_keys(struct wireless_dev *wdev) netdev_err(dev, "failed to set mgtdef %d\n", i); } - kfree(wdev->connect_keys); + kzfree(wdev->connect_keys); wdev->connect_keys = NULL; } diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c index 11120bb14162..0f47948c572f 100644 --- a/net/wireless/wext-compat.c +++ b/net/wireless/wext-compat.c @@ -496,6 +496,8 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev, err = 0; if (!err) { if (!addr) { + memset(wdev->wext.keys->data[idx], 0, + sizeof(wdev->wext.keys->data[idx])); wdev->wext.keys->params[idx].key_len = 0; wdev->wext.keys->params[idx].cipher = 0; } diff --git a/net/wireless/wext-sme.c b/net/wireless/wext-sme.c index c7e5c8eb4f24..368611c05739 100644 --- a/net/wireless/wext-sme.c +++ b/net/wireless/wext-sme.c @@ -57,7 +57,7 @@ int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev, err = cfg80211_connect(rdev, wdev->netdev, &wdev->wext.connect, ck, prev_bssid); if (err) - kfree(ck); + kzfree(ck); return err; } |