diff options
Diffstat (limited to 'net/wireless')
| -rw-r--r-- | net/wireless/ap.c | 1 | ||||
| -rw-r--r-- | net/wireless/chan.c | 9 | ||||
| -rw-r--r-- | net/wireless/core.h | 12 | ||||
| -rw-r--r-- | net/wireless/ibss.c | 27 | ||||
| -rw-r--r-- | net/wireless/mesh.c | 16 | ||||
| -rw-r--r-- | net/wireless/mlme.c | 9 | ||||
| -rw-r--r-- | net/wireless/nl80211.c | 205 | ||||
| -rw-r--r-- | net/wireless/rdev-ops.h | 15 | ||||
| -rw-r--r-- | net/wireless/reg.c | 206 | ||||
| -rw-r--r-- | net/wireless/sme.c | 43 | ||||
| -rw-r--r-- | net/wireless/trace.h | 47 |
11 files changed, 513 insertions, 77 deletions
diff --git a/net/wireless/ap.c b/net/wireless/ap.c index 63682176c96c..882d97bdc6bf 100644 --- a/net/wireless/ap.c +++ b/net/wireless/ap.c @@ -27,6 +27,7 @@ int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev, err = rdev_stop_ap(rdev, dev); if (!err) { + wdev->conn_owner_nlportid = 0; wdev->beacon_interval = 0; memset(&wdev->chandef, 0, sizeof(wdev->chandef)); wdev->ssid_len = 0; diff --git a/net/wireless/chan.c b/net/wireless/chan.c index a48859982a32..2db713d18f71 100644 --- a/net/wireless/chan.c +++ b/net/wireless/chan.c @@ -579,6 +579,10 @@ static bool cfg80211_get_chans_dfs_available(struct wiphy *wiphy, { struct ieee80211_channel *c; u32 freq, start_freq, end_freq; + bool dfs_offload; + + dfs_offload = wiphy_ext_feature_isset(wiphy, + NL80211_EXT_FEATURE_DFS_OFFLOAD); start_freq = cfg80211_get_start_freq(center_freq, bandwidth); end_freq = cfg80211_get_end_freq(center_freq, bandwidth); @@ -596,8 +600,9 @@ static bool cfg80211_get_chans_dfs_available(struct wiphy *wiphy, if (c->flags & IEEE80211_CHAN_DISABLED) return false; - if ((c->flags & IEEE80211_CHAN_RADAR) && - (c->dfs_state != NL80211_DFS_AVAILABLE)) + if ((c->flags & IEEE80211_CHAN_RADAR) && + (c->dfs_state != NL80211_DFS_AVAILABLE) && + !(c->dfs_state == NL80211_DFS_USABLE && dfs_offload)) return false; } diff --git a/net/wireless/core.h b/net/wireless/core.h index eaff636169c2..63eb1b5fdd04 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -282,10 +282,10 @@ void cfg80211_bss_age(struct cfg80211_registered_device *rdev, unsigned long age_secs); /* IBSS */ -int cfg80211_join_ibss(struct cfg80211_registered_device *rdev, - struct net_device *dev, - struct cfg80211_ibss_params *params, - struct cfg80211_cached_keys *connkeys); +int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev, + struct net_device *dev, + struct cfg80211_ibss_params *params, + struct cfg80211_cached_keys *connkeys); void cfg80211_clear_ibss(struct net_device *dev, bool nowext); int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, struct net_device *dev, bool nowext); @@ -303,10 +303,6 @@ int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev, struct net_device *dev, struct mesh_setup *setup, const struct mesh_config *conf); -int cfg80211_join_mesh(struct cfg80211_registered_device *rdev, - struct net_device *dev, - struct mesh_setup *setup, - const struct mesh_config *conf); int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, struct net_device *dev); int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c index a1d10993d08a..d1743e6abc34 100644 --- a/net/wireless/ibss.c +++ b/net/wireless/ibss.c @@ -84,14 +84,15 @@ void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, } EXPORT_SYMBOL(cfg80211_ibss_joined); -static int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev, - struct net_device *dev, - struct cfg80211_ibss_params *params, - struct cfg80211_cached_keys *connkeys) +int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev, + struct net_device *dev, + struct cfg80211_ibss_params *params, + struct cfg80211_cached_keys *connkeys) { struct wireless_dev *wdev = dev->ieee80211_ptr; int err; + ASSERT_RTNL(); ASSERT_WDEV_LOCK(wdev); if (wdev->ssid_len) @@ -146,23 +147,6 @@ static int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev, return 0; } -int cfg80211_join_ibss(struct cfg80211_registered_device *rdev, - struct net_device *dev, - struct cfg80211_ibss_params *params, - struct cfg80211_cached_keys *connkeys) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - int err; - - ASSERT_RTNL(); - - wdev_lock(wdev); - err = __cfg80211_join_ibss(rdev, dev, params, connkeys); - wdev_unlock(wdev); - - return err; -} - static void __cfg80211_clear_ibss(struct net_device *dev, bool nowext) { struct wireless_dev *wdev = dev->ieee80211_ptr; @@ -224,6 +208,7 @@ int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, if (err) return err; + wdev->conn_owner_nlportid = 0; __cfg80211_clear_ibss(dev, nowext); return 0; diff --git a/net/wireless/mesh.c b/net/wireless/mesh.c index b12da6ef3c12..eac5aa1419fc 100644 --- a/net/wireless/mesh.c +++ b/net/wireless/mesh.c @@ -217,21 +217,6 @@ int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev, return err; } -int cfg80211_join_mesh(struct cfg80211_registered_device *rdev, - struct net_device *dev, - struct mesh_setup *setup, - const struct mesh_config *conf) -{ - struct wireless_dev *wdev = dev->ieee80211_ptr; - int err; - - wdev_lock(wdev); - err = __cfg80211_join_mesh(rdev, dev, setup, conf); - wdev_unlock(wdev); - - return err; -} - int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev, struct wireless_dev *wdev, struct cfg80211_chan_def *chandef) @@ -286,6 +271,7 @@ int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, err = rdev_leave_mesh(rdev, dev); if (!err) { + wdev->conn_owner_nlportid = 0; wdev->mesh_id_len = 0; wdev->beacon_interval = 0; memset(&wdev->chandef, 0, sizeof(wdev->chandef)); diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c index bbb9907bfa86..12b3edf70a7b 100644 --- a/net/wireless/mlme.c +++ b/net/wireless/mlme.c @@ -872,7 +872,7 @@ void cfg80211_cac_event(struct net_device *netdev, trace_cfg80211_cac_event(netdev, event); - if (WARN_ON(!wdev->cac_started)) + if (WARN_ON(!wdev->cac_started && event != NL80211_RADAR_CAC_STARTED)) return; if (WARN_ON(!wdev->chandef.chan)) @@ -888,14 +888,17 @@ void cfg80211_cac_event(struct net_device *netdev, sizeof(struct cfg80211_chan_def)); queue_work(cfg80211_wq, &rdev->propagate_cac_done_wk); cfg80211_sched_dfs_chan_update(rdev); - break; + /* fall through */ case NL80211_RADAR_CAC_ABORTED: + wdev->cac_started = false; + break; + case NL80211_RADAR_CAC_STARTED: + wdev->cac_started = true; break; default: WARN_ON(1); return; } - wdev->cac_started = false; nl80211_radar_notify(rdev, chandef, event, netdev, gfp); } diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index a910150f8169..ff28f8feeb09 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -287,6 +287,7 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { [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_CONTROL_PORT_OVER_NL80211] = { .type = NLA_FLAG }, [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG }, [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 }, [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 }, @@ -4134,6 +4135,9 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) wdev->chandef = params.chandef; wdev->ssid_len = params.ssid_len; memcpy(wdev->ssid, params.ssid, wdev->ssid_len); + + if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) + wdev->conn_owner_nlportid = info->snd_portid; } wdev_unlock(wdev); @@ -7551,12 +7555,13 @@ static int nl80211_start_radar_detection(struct sk_buff *skb, struct cfg80211_registered_device *rdev = info->user_ptr[0]; struct net_device *dev = info->user_ptr[1]; struct wireless_dev *wdev = dev->ieee80211_ptr; + struct wiphy *wiphy = wdev->wiphy; struct cfg80211_chan_def chandef; enum nl80211_dfs_regions dfs_region; unsigned int cac_time_ms; int err; - dfs_region = reg_get_dfs_region(wdev->wiphy); + dfs_region = reg_get_dfs_region(wiphy); if (dfs_region == NL80211_DFS_UNSET) return -EINVAL; @@ -7570,17 +7575,20 @@ static int nl80211_start_radar_detection(struct sk_buff *skb, if (wdev->cac_started) return -EBUSY; - err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, - wdev->iftype); + err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype); if (err < 0) return err; if (err == 0) return -EINVAL; - if (!cfg80211_chandef_dfs_usable(wdev->wiphy, &chandef)) + if (!cfg80211_chandef_dfs_usable(wiphy, &chandef)) return -EINVAL; + /* CAC start is offloaded to HW and can't be started manually */ + if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD)) + return -EOPNOTSUPP; + if (!rdev->ops->start_radar_detection) return -EOPNOTSUPP; @@ -8204,6 +8212,22 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) return err; } +static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev, + struct genl_info *info) +{ + if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) { + GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set"); + return -EINVAL; + } + + if (!rdev->ops->tx_control_port || + !wiphy_ext_feature_isset(&rdev->wiphy, + NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211)) + return -EOPNOTSUPP; + + return 0; +} + static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, struct genl_info *info, struct cfg80211_crypto_settings *settings, @@ -8227,6 +8251,15 @@ static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, } else settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); + if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) { + int r = validate_pae_over_nl80211(rdev, info); + + if (r < 0) + return r; + + settings->control_port_over_nl80211 = true; + } + if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { void *data; int len, i; @@ -8672,12 +8705,26 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) ibss.control_port = nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]); + if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) { + int r = validate_pae_over_nl80211(rdev, info); + + if (r < 0) + return r; + + ibss.control_port_over_nl80211 = true; + } + ibss.userspace_handles_dfs = nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]); - err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); + wdev_lock(dev->ieee80211_ptr); + err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys); if (err) kzfree(connkeys); + else if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) + dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid; + wdev_unlock(dev->ieee80211_ptr); + return err; } @@ -10083,7 +10130,7 @@ static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) if (err) return err; } else { - /* cfg80211_join_mesh() will sort it out */ + /* __cfg80211_join_mesh() will sort it out */ setup.chandef.chan = NULL; } @@ -10121,7 +10168,22 @@ static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) setup.userspace_handles_dfs = nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]); - return cfg80211_join_mesh(rdev, dev, &setup, &cfg); + if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) { + int r = validate_pae_over_nl80211(rdev, info); + + if (r < 0) + return r; + + setup.control_port_over_nl80211 = true; + } + + wdev_lock(dev->ieee80211_ptr); + err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg); + if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) + dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid; + wdev_unlock(dev->ieee80211_ptr); + + return err; } static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) @@ -12517,6 +12579,68 @@ static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info) return rdev_external_auth(rdev, dev, ¶ms); } +static int nl80211_tx_control_port(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 *buf; + size_t len; + u8 *dest; + u16 proto; + bool noencrypt; + int err; + + if (!wiphy_ext_feature_isset(&rdev->wiphy, + NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211)) + return -EOPNOTSUPP; + + if (!rdev->ops->tx_control_port) + return -EOPNOTSUPP; + + if (!info->attrs[NL80211_ATTR_FRAME] || + !info->attrs[NL80211_ATTR_MAC] || + !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { + GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing"); + return -EINVAL; + } + + wdev_lock(wdev); + + switch (wdev->iftype) { + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_P2P_GO: + case NL80211_IFTYPE_MESH_POINT: + break; + case NL80211_IFTYPE_ADHOC: + case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_P2P_CLIENT: + if (wdev->current_bss) + break; + err = -ENOTCONN; + goto out; + default: + err = -EOPNOTSUPP; + goto out; + } + + wdev_unlock(wdev); + + buf = nla_data(info->attrs[NL80211_ATTR_FRAME]); + len = nla_len(info->attrs[NL80211_ATTR_FRAME]); + dest = nla_data(info->attrs[NL80211_ATTR_MAC]); + proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); + noencrypt = + nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]); + + return rdev_tx_control_port(rdev, dev, buf, len, + dest, cpu_to_be16(proto), noencrypt); + + out: + wdev_unlock(wdev); + return err; +} + #define NL80211_FLAG_NEED_WIPHY 0x01 #define NL80211_FLAG_NEED_NETDEV 0x02 #define NL80211_FLAG_NEED_RTNL 0x04 @@ -13420,7 +13544,14 @@ static const struct genl_ops nl80211_ops[] = { .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | NL80211_FLAG_NEED_RTNL, }, - + { + .cmd = NL80211_CMD_CONTROL_PORT_FRAME, + .doit = nl80211_tx_control_port, + .policy = nl80211_policy, + .flags = GENL_UNS_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + NL80211_FLAG_NEED_RTNL, + }, }; static struct genl_family nl80211_fam __ro_after_init = { @@ -14535,6 +14666,64 @@ void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, } EXPORT_SYMBOL(cfg80211_mgmt_tx_status); +static int __nl80211_rx_control_port(struct net_device *dev, + const u8 *buf, size_t len, + const u8 *addr, u16 proto, + bool unencrypted, gfp_t gfp) +{ + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); + struct sk_buff *msg; + void *hdr; + u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid); + + if (!nlportid) + return -ENOENT; + + msg = nlmsg_new(100 + len, gfp); + if (!msg) + return -ENOMEM; + + hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME); + if (!hdr) { + nlmsg_free(msg); + return -ENOBUFS; + } + + if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || + nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || + nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), + NL80211_ATTR_PAD) || + nla_put(msg, NL80211_ATTR_FRAME, len, buf) || + nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || + nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) || + (unencrypted && nla_put_flag(msg, + NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT))) + goto nla_put_failure; + + genlmsg_end(msg, hdr); + + return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); + + nla_put_failure: + nlmsg_free(msg); + return -ENOBUFS; +} + +bool cfg80211_rx_control_port(struct net_device *dev, + const u8 *buf, size_t len, + const u8 *addr, u16 proto, bool unencrypted) +{ + int ret; + + trace_cfg80211_rx_control_port(dev, buf, len, addr, proto, unencrypted); + ret = __nl80211_rx_control_port(dev, buf, len, addr, proto, + unencrypted, GFP_ATOMIC); + trace_cfg80211_return_bool(ret == 0); + return ret == 0; +} +EXPORT_SYMBOL(cfg80211_rx_control_port); + static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev, const char *mac, gfp_t gfp) { diff --git a/net/wireless/rdev-ops.h b/net/wireless/rdev-ops.h index 84f23ae015fc..87479a53411b 100644 --- a/net/wireless/rdev-ops.h +++ b/net/wireless/rdev-ops.h @@ -714,6 +714,21 @@ static inline int rdev_mgmt_tx(struct cfg80211_registered_device *rdev, return ret; } +static inline int rdev_tx_control_port(struct cfg80211_registered_device *rdev, + struct net_device *dev, + const void *buf, size_t len, + const u8 *dest, __be16 proto, + const bool noencrypt) +{ + int ret; + trace_rdev_tx_control_port(&rdev->wiphy, dev, buf, len, + dest, proto, noencrypt); + ret = rdev->ops->tx_control_port(&rdev->wiphy, dev, buf, len, + dest, proto, noencrypt); + trace_rdev_return_int(&rdev->wiphy, ret); + return ret; +} + static inline int rdev_mgmt_tx_cancel_wait(struct cfg80211_registered_device *rdev, struct wireless_dev *wdev, u64 cookie) diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 7b42f0bacfd8..16c7e4ef5820 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -5,6 +5,7 @@ * Copyright 2008-2011 Luis R. Rodriguez <mcgrof@qca.qualcomm.com> * Copyright 2013-2014 Intel Mobile Communications GmbH * Copyright 2017 Intel Deutschland GmbH + * Copyright (C) 2018 Intel Corporation * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -134,12 +135,12 @@ static void restore_regulatory_settings(bool reset_user); static const struct ieee80211_regdomain *get_cfg80211_regdom(void) { - return rtnl_dereference(cfg80211_regdomain); + return rcu_dereference_rtnl(cfg80211_regdomain); } const struct ieee80211_regdomain *get_wiphy_regdom(struct wiphy *wiphy) { - return rtnl_dereference(wiphy->regd); + return rcu_dereference_rtnl(wiphy->regd); } static const char *reg_dfs_region_str(enum nl80211_dfs_regions dfs_region) @@ -424,23 +425,36 @@ static const struct ieee80211_regdomain * reg_copy_regd(const struct ieee80211_regdomain *src_regd) { struct ieee80211_regdomain *regd; - int size_of_regd; + int size_of_regd, size_of_wmms; unsigned int i; + struct ieee80211_wmm_rule *d_wmm, *s_wmm; size_of_regd = sizeof(struct ieee80211_regdomain) + src_regd->n_reg_rules * sizeof(struct ieee80211_reg_rule); + size_of_wmms = src_regd->n_wmm_rules * + sizeof(struct ieee80211_wmm_rule); - regd = kzalloc(size_of_regd, GFP_KERNEL); + regd = kzalloc(size_of_regd + size_of_wmms, GFP_KERNEL); if (!regd) return ERR_PTR(-ENOMEM); memcpy(regd, src_regd, sizeof(struct ieee80211_regdomain)); - for (i = 0; i < src_regd->n_reg_rules; i++) + d_wmm = (struct ieee80211_wmm_rule *)((u8 *)regd + size_of_regd); + s_wmm = (struct ieee80211_wmm_rule *)((u8 *)src_regd + size_of_regd); + memcpy(d_wmm, s_wmm, size_of_wmms); + + for (i = 0; i < src_regd->n_reg_rules; i++) { memcpy(®d->reg_rules[i], &src_regd->reg_rules[i], sizeof(struct ieee80211_reg_rule)); + if (!src_regd->reg_rules[i].wmm_rule) + continue; + regd->reg_rules[i].wmm_rule = d_wmm + + (src_regd->reg_rules[i].wmm_rule - s_wmm) / + sizeof(struct ieee80211_wmm_rule); + } return regd; } @@ -595,6 +609,17 @@ enum fwdb_flags { FWDB_FLAG_AUTO_BW = BIT(4), }; +struct fwdb_wmm_ac { + u8 ecw; + u8 aifsn; + __be16 cot; +} __packed; + +struct fwdb_wmm_rule { + struct fwdb_wmm_ac client[IEEE80211_NUM_ACS]; + struct fwdb_wmm_ac ap[IEEE80211_NUM_ACS]; +} __packed; + struct fwdb_rule { u8 len; u8 flags; @@ -602,6 +627,7 @@ struct fwdb_rule { __be32 start, end, max_bw; /* start of optional data */ __be16 cac_timeout; + __be16 wmm_ptr; } __packed __aligned(4); #define FWDB_MAGIC 0x52474442 @@ -613,6 +639,31 @@ struct fwdb_header { struct fwdb_country country[]; } __packed __aligned(4); +static int ecw2cw(int ecw) +{ + return (1 << ecw) - 1; +} + +static bool valid_wmm(struct fwdb_wmm_rule *rule) +{ + struct fwdb_wmm_ac *ac = (struct fwdb_wmm_ac *)rule; + int i; + + for (i = 0; i < IEEE80211_NUM_ACS * 2; i++) { + u16 cw_min = ecw2cw((ac[i].ecw & 0xf0) >> 4); + u16 cw_max = ecw2cw(ac[i].ecw & 0x0f); + u8 aifsn = ac[i].aifsn; + + if (cw_min >= cw_max) + return false; + + if (aifsn < 1) + return false; + } + + return true; +} + static bool valid_rule(const u8 *data, unsigned int size, u16 rule_ptr) { struct fwdb_rule *rule = (void *)(data + (rule_ptr << 2)); @@ -623,7 +674,18 @@ static bool valid_rule(const u8 *data, unsigned int size, u16 rule_ptr) /* mandatory fields */ if (rule->len < offsetofend(struct fwdb_rule, max_bw)) return false; + if (rule->len >= offsetofend(struct fwdb_rule, wmm_ptr)) { + u32 wmm_ptr = be16_to_cpu(rule->wmm_ptr) << 2; + struct fwdb_wmm_rule *wmm; + + if (wmm_ptr + sizeof(struct fwdb_wmm_rule) > size) + return false; + wmm = (void *)(data + wmm_ptr); + + if (!valid_wmm(wmm)) + return false; + } return true; } @@ -798,23 +860,118 @@ static bool valid_regdb(const u8 *data, unsigned int size) return true; } +static void set_wmm_rule(struct ieee80211_wmm_rule *rule, + struct fwdb_wmm_rule *wmm) +{ + unsigned int i; + + for (i = 0; i < IEEE80211_NUM_ACS; i++) { + rule->client[i].cw_min = + ecw2cw((wmm->client[i].ecw & 0xf0) >> 4); + rule->client[i].cw_max = ecw2cw(wmm->client[i].ecw & 0x0f); + rule->client[i].aifsn = wmm->client[i].aifsn; + rule->client[i].cot = 1000 * be16_to_cpu(wmm->client[i].cot); + rule->ap[i].cw_min = ecw2cw((wmm->ap[i].ecw & 0xf0) >> 4); + rule->ap[i].cw_max = ecw2cw(wmm->ap[i].ecw & 0x0f); + rule->ap[i].aifsn = wmm->ap[i].aifsn; + rule->ap[i].cot = 1000 * be16_to_cpu(wmm->ap[i].cot); + } +} + +static int __regdb_query_wmm(const struct fwdb_header *db, + const struct fwdb_country *country, int freq, + u32 *dbptr, struct ieee80211_wmm_rule *rule) +{ + unsigned int ptr = be16_to_cpu(country->coll_ptr) << 2; + struct fwdb_collection *coll = (void *)((u8 *)db + ptr); + int i; + + for (i = 0; i < coll->n_rules; i++) { + __be16 *rules_ptr = (void *)((u8 *)coll + ALIGN(coll->len, 2)); + unsigned int rule_ptr = be16_to_cpu(rules_ptr[i]) << 2; + struct fwdb_rule *rrule = (void *)((u8 *)db + rule_ptr); + struct fwdb_wmm_rule *wmm; + unsigned int wmm_ptr; + + if (rrule->len < offsetofend(struct fwdb_rule, wmm_ptr)) + continue; + + if (freq >= KHZ_TO_MHZ(be32_to_cpu(rrule->start)) && + freq <= KHZ_TO_MHZ(be32_to_cpu(rrule->end))) { + wmm_ptr = be16_to_cpu(rrule->wmm_ptr) << 2; + wmm = (void *)((u8 *)db + wmm_ptr); + set_wmm_rule(rule, wmm); + if (dbptr) + *dbptr = wmm_ptr; + return 0; + } + } + + return -ENODATA; +} + +int reg_query_regdb_wmm(char *alpha2, int freq, u32 *dbptr, + struct ieee80211_wmm_rule *rule) +{ + const struct fwdb_header *hdr = regdb; + const struct fwdb_country *country; + + if (IS_ERR(regdb)) + return PTR_ERR(regdb); + + country = &hdr->country[0]; + while (country->coll_ptr) { + if (alpha2_equal(alpha2, country->alpha2)) + return __regdb_query_wmm(regdb, country, freq, dbptr, + rule); + + country++; + } + + return -ENODATA; +} +EXPORT_SYMBOL(reg_query_regdb_wmm); + +struct wmm_ptrs { + struct ieee80211_wmm_rule *rule; + u32 ptr; +}; + +static struct ieee80211_wmm_rule *find_wmm_ptr(struct wmm_ptrs *wmm_ptrs, + u32 wmm_ptr, int n_wmms) +{ + int i; + + for (i = 0; i < n_wmms; i++) { + if (wmm_ptrs[i].ptr == wmm_ptr) + return wmm_ptrs[i].rule; + } + return NULL; +} + static int regdb_query_country(const struct fwdb_header *db, const struct fwdb_country *country) { unsigned int ptr = be16_to_cpu(country->coll_ptr) << 2; struct fwdb_collection *coll = (void *)((u8 *)db + ptr); struct ieee80211_regdomain *regdom; - unsigned int size_of_regd; - unsigned int i; + struct ieee80211_regdomain *tmp_rd; + unsigned int size_of_regd, i, n_wmms = 0; + struct wmm_ptrs *wmm_ptrs; - size_of_regd = - sizeof(struct ieee80211_regdomain) + + size_of_regd = sizeof(struct ieee80211_regdomain) + coll->n_rules * sizeof(struct ieee80211_reg_rule); regdom = kzalloc(size_of_regd, GFP_KERNEL); if (!regdom) return -ENOMEM; + wmm_ptrs = kcalloc(coll->n_rules, sizeof(*wmm_ptrs), GFP_KERNEL); + if (!wmm_ptrs) { + kfree(regdom); + return -ENOMEM; + } + regdom->n_reg_rules = coll->n_rules; regdom->alpha2[0] = country->alpha2[0]; regdom->alpha2[1] = country->alpha2[1]; @@ -851,7 +1008,38 @@ static int regdb_query_country(const struct fwdb_header *db, if (rule->len >= offsetofend(struct fwdb_rule, cac_timeout)) rrule->dfs_cac_ms = 1000 * be16_to_cpu(rule->cac_timeout); + if (rule->len >= offsetofend(struct fwdb_rule, wmm_ptr)) { + u32 wmm_ptr = be16_to_cpu(rule->wmm_ptr) << 2; + struct ieee80211_wmm_rule *wmm_pos = + find_wmm_ptr(wmm_ptrs, wmm_ptr, n_wmms); + struct fwdb_wmm_rule *wmm; + struct ieee80211_wmm_rule *wmm_rule; + + if (wmm_pos) { + rrule->wmm_rule = wmm_pos; + continue; + } + wmm = (void *)((u8 *)db + wmm_ptr); + tmp_rd = krealloc(regdom, size_of_regd + (n_wmms + 1) * + sizeof(struct ieee80211_wmm_rule), + GFP_KERNEL); + + if (!tmp_rd) { + kfree(regdom); + return -ENOMEM; + } + regdom = tmp_rd; + + wmm_rule = (struct ieee80211_wmm_rule *) + ((u8 *)regdom + size_of_regd + n_wmms * + sizeof(struct ieee80211_wmm_rule)); + + set_wmm_rule(wmm_rule, wmm); + wmm_ptrs[n_wmms].ptr = wmm_ptr; + wmm_ptrs[n_wmms++].rule = wmm_rule; + } } + kfree(wmm_ptrs); return reg_schedule_apply(regdom); } diff --git a/net/wireless/sme.c b/net/wireless/sme.c index 701cfd7acc1b..5df6b33db786 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -1239,17 +1239,38 @@ void cfg80211_autodisconnect_wk(struct work_struct *work) wdev_lock(wdev); if (wdev->conn_owner_nlportid) { - /* - * Use disconnect_bssid if still connecting and ops->disconnect - * not implemented. Otherwise we can use cfg80211_disconnect. - */ - if (rdev->ops->disconnect || wdev->current_bss) - cfg80211_disconnect(rdev, wdev->netdev, - WLAN_REASON_DEAUTH_LEAVING, true); - else - cfg80211_mlme_deauth(rdev, wdev->netdev, - wdev->disconnect_bssid, NULL, 0, - WLAN_REASON_DEAUTH_LEAVING, false); + switch (wdev->iftype) { + case NL80211_IFTYPE_ADHOC: + cfg80211_leave_ibss(rdev, wdev->netdev, false); + break; + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_P2P_GO: + cfg80211_stop_ap(rdev, wdev->netdev, false); + break; + case NL80211_IFTYPE_MESH_POINT: + cfg80211_leave_mesh(rdev, wdev->netdev); + break; + case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_P2P_CLIENT: + /* + * Use disconnect_bssid if still connecting and + * ops->disconnect not implemented. Otherwise we can + * use cfg80211_disconnect. + */ + if (rdev->ops->disconnect || wdev->current_bss) + cfg80211_disconnect(rdev, wdev->netdev, + WLAN_REASON_DEAUTH_LEAVING, + true); + else + cfg80211_mlme_deauth(rdev, wdev->netdev, + wdev->disconnect_bssid, + NULL, 0, + WLAN_REASON_DEAUTH_LEAVING, + false); + break; + default: + break; + } } wdev_unlock(wdev); diff --git a/net/wireless/trace.h b/net/wireless/trace.h index 5152938b358d..a64291ae52a6 100644 --- a/net/wireless/trace.h +++ b/net/wireless/trace.h @@ -1882,6 +1882,32 @@ TRACE_EVENT(rdev_mgmt_tx, BOOL_TO_STR(__entry->dont_wait_for_ack)) ); +TRACE_EVENT(rdev_tx_control_port, + TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, + const u8 *buf, size_t len, const u8 *dest, __be16 proto, + bool unencrypted), + TP_ARGS(wiphy, netdev, buf, len, dest, proto, unencrypted), + TP_STRUCT__entry( + WIPHY_ENTRY + NETDEV_ENTRY + MAC_ENTRY(dest) + __field(__be16, proto) + __field(bool, unencrypted) + ), + TP_fast_assign( + WIPHY_ASSIGN; + NETDEV_ASSIGN; + MAC_ASSIGN(dest, dest); + __entry->proto = proto; + __entry->unencrypted = unencrypted; + ), + TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " MAC_PR_FMT "," + " proto: 0x%x, unencrypted: %s", + WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(dest), + be16_to_cpu(__entry->proto), + BOOL_TO_STR(__entry->unencrypted)) +); + TRACE_EVENT(rdev_set_noack_map, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u16 noack_map), @@ -2600,6 +2626,27 @@ TRACE_EVENT(cfg80211_mgmt_tx_status, WDEV_PR_ARG, __entry->cookie, BOOL_TO_STR(__entry->ack)) ); +TRACE_EVENT(cfg80211_rx_control_port, + TP_PROTO(struct net_device *netdev, const u8 *buf, size_t len, + const u8 *addr, u16 proto, bool unencrypted), + TP_ARGS(netdev, buf, len, addr, proto, unencrypted), + TP_STRUCT__entry( + NETDEV_ENTRY + MAC_ENTRY(addr) + __field(u16, proto) + __field(bool, unencrypted) + ), + TP_fast_assign( + NETDEV_ASSIGN; + MAC_ASSIGN(addr, addr); + __entry->proto = proto; + __entry->unencrypted = unencrypted; + ), + TP_printk(NETDEV_PR_FMT ", " MAC_PR_FMT " proto: 0x%x, unencrypted: %s", + NETDEV_PR_ARG, MAC_PR_ARG(addr), + __entry->proto, BOOL_TO_STR(__entry->unencrypted)) +); + TRACE_EVENT(cfg80211_cqm_rssi_notify, TP_PROTO(struct net_device *netdev, enum nl80211_cqm_rssi_threshold_event rssi_event, |