diff options
36 files changed, 1465 insertions, 360 deletions
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 7437faae7cf2..4c2145ba87a0 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -2810,6 +2810,12 @@ static int mac80211_hwsim_new_radio(struct genl_info *info, ieee80211_hw_set(hw, SIGNAL_DBM); ieee80211_hw_set(hw, SUPPORTS_PS); ieee80211_hw_set(hw, TDLS_WIDER_BW); + + /* We only have SW crypto and only implement the A-MPDU API + * (but don't really build A-MPDUs) so can have extended key + * support + */ + ieee80211_hw_set(hw, EXT_KEY_ID_NATIVE); if (rctbl) ieee80211_hw_set(hw, SUPPORTS_RC_TABLE); ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID); @@ -3900,6 +3906,8 @@ static int __init init_mac80211_hwsim(void) param.p2p_device = support_p2p_device; param.use_chanctx = channels > 1; param.iftypes = HWSIM_IFTYPE_SUPPORT_MASK; + if (param.p2p_device) + param.iftypes |= BIT(NL80211_IFTYPE_P2P_DEVICE); err = mac80211_hwsim_new_radio(NULL, ¶m); if (err < 0) diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index 48703ec60d06..61f0a316c6ac 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -1557,7 +1557,7 @@ struct ieee80211_vht_operation { * struct ieee80211_he_cap_elem - HE capabilities element * * This structure is the "HE capabilities element" fixed fields as - * described in P802.11ax_D3.0 section 9.4.2.237.2 and 9.4.2.237.3 + * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3 */ struct ieee80211_he_cap_elem { u8 mac_cap_info[6]; @@ -1619,12 +1619,12 @@ struct ieee80211_he_mcs_nss_supp { * struct ieee80211_he_operation - HE capabilities element * * This structure is the "HE operation element" fields as - * described in P802.11ax_D3.0 section 9.4.2.238 + * described in P802.11ax_D4.0 section 9.4.2.243 */ struct ieee80211_he_operation { __le32 he_oper_params; __le16 he_mcs_nss_set; - /* Optional 0,1,3 or 4 bytes: depends on @he_oper_params */ + /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */ u8 optional[0]; } __packed; @@ -1632,7 +1632,7 @@ struct ieee80211_he_operation { * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field * * This structure is the "MU AC Parameter Record" fields as - * described in P802.11ax_D2.0 section 9.4.2.240 + * described in P802.11ax_D4.0 section 9.4.2.245 */ struct ieee80211_he_mu_edca_param_ac_rec { u8 aifsn; @@ -1644,7 +1644,7 @@ struct ieee80211_he_mu_edca_param_ac_rec { * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element * * This structure is the "MU EDCA Parameter Set element" fields as - * described in P802.11ax_D2.0 section 9.4.2.240 + * described in P802.11ax_D4.0 section 9.4.2.245 */ struct ieee80211_mu_edca_param_set { u8 mu_qos_info; @@ -2026,6 +2026,7 @@ ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info) #define IEEE80211_HE_OPERATION_VHT_OPER_INFO 0x00004000 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS 0x00008000 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE 0x00010000 +#define IEEE80211_HE_OPERATION_6GHZ_OP_INFO 0x00020000 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK 0x3f000000 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET 24 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR 0x40000000 @@ -2056,6 +2057,8 @@ ieee80211_he_oper_size(const u8 *he_oper_ie) oper_len += 3; if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS) oper_len++; + if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO) + oper_len += 4; /* Add the first byte (extension ID) to the total length */ oper_len++; @@ -2487,6 +2490,7 @@ enum ieee80211_eid_ext { WLAN_EID_EXT_HE_MU_EDCA = 38, WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52, WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55, + WLAN_EID_EXT_NON_INHERITANCE = 56, }; /* Action category code */ diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 13bfeb712d36..87dae868707e 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -485,6 +485,7 @@ struct vif_params { * with the get_key() callback, must be in little endian, * length given by @seq_len. * @seq_len: length of @seq. + * @mode: key install mode (RX_TX, NO_TX or SET_TX) */ struct key_params { const u8 *key; @@ -492,6 +493,7 @@ struct key_params { int key_len; int seq_len; u32 cipher; + enum nl80211_key_mode mode; }; /** @@ -973,6 +975,27 @@ enum station_parameters_apply_mask { STATION_PARAM_APPLY_UAPSD = BIT(0), STATION_PARAM_APPLY_CAPABILITY = BIT(1), STATION_PARAM_APPLY_PLINK_STATE = BIT(2), + STATION_PARAM_APPLY_STA_TXPOWER = BIT(3), +}; + +/** + * struct sta_txpwr - station txpower configuration + * + * Used to configure txpower for station. + * + * @power: tx power (in dBm) to be used for sending data traffic. If tx power + * is not provided, the default per-interface tx power setting will be + * overriding. Driver should be picking up the lowest tx power, either tx + * power per-interface or per-station. + * @type: In particular if TPC %type is NL80211_TX_POWER_LIMITED then tx power + * will be less than or equal to specified from userspace, whereas if TPC + * %type is NL80211_TX_POWER_AUTOMATIC then it indicates default tx power. + * NL80211_TX_POWER_FIXED is not a valid configuration option for + * per peer TPC. + */ +struct sta_txpwr { + s16 power; + enum nl80211_tx_power_setting type; }; /** @@ -1047,6 +1070,7 @@ struct station_parameters { const struct ieee80211_he_cap_elem *he_capa; u8 he_capa_len; u16 airtime_weight; + struct sta_txpwr txpwr; }; /** @@ -1327,6 +1351,7 @@ struct cfg80211_tid_stats { * @fcs_err_count: number of packets (MPDUs) received from this station with * an FCS error. This counter should be incremented only when TA of the * received packet with an FCS error matches the peer MAC address. + * @airtime_link_metric: mesh airtime link metric. */ struct station_info { u64 filled; @@ -1381,6 +1406,8 @@ struct station_info { u32 rx_mpdu_count; u32 fcs_err_count; + + u32 airtime_link_metric; }; #if IS_ENABLED(CONFIG_CFG80211) @@ -1832,11 +1859,19 @@ static inline void get_random_mask_addr(u8 *buf, const u8 *addr, const u8 *mask) * @bssid: BSSID to be matched; may be all-zero BSSID in case of SSID match * or no match (RSSI only) * @rssi_thold: don't report scan results below this threshold (in s32 dBm) + * @per_band_rssi_thold: Minimum rssi threshold for each band to be applied + * for filtering out scan results received. Drivers advertize this support + * of band specific rssi based filtering through the feature capability + * %NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD. These band + * specific rssi thresholds take precedence over rssi_thold, if specified. + * If not specified for any band, it will be assigned with rssi_thold of + * corresponding matchset. */ struct cfg80211_match_set { struct cfg80211_ssid ssid; u8 bssid[ETH_ALEN]; s32 rssi_thold; + s32 per_band_rssi_thold[NUM_NL80211_BANDS]; }; /** @@ -3100,6 +3135,32 @@ struct cfg80211_pmsr_request { }; /** + * struct cfg80211_update_owe_info - OWE Information + * + * This structure provides information needed for the drivers to offload OWE + * (Opportunistic Wireless Encryption) processing to the user space. + * + * Commonly used across update_owe_info request and event interfaces. + * + * @peer: MAC address of the peer device for which the OWE processing + * has to be done. + * @status: status code, %WLAN_STATUS_SUCCESS for successful OWE info + * processing, use %WLAN_STATUS_UNSPECIFIED_FAILURE if user space + * cannot give you the real status code for failures. Used only for + * OWE update request command interface (user space to driver). + * @ie: IEs obtained from the peer or constructed by the user space. These are + * the IEs of the remote peer in the event from the host driver and + * the constructed IEs by the user space in the request interface. + * @ie_len: Length of IEs in octets. + */ +struct cfg80211_update_owe_info { + u8 peer[ETH_ALEN] __aligned(2); + u16 status; + const u8 *ie; + size_t ie_len; +}; + +/** * struct cfg80211_ops - backend description for wireless configuration * * This struct is registered by fullmac card drivers and/or wireless stacks @@ -3436,6 +3497,13 @@ struct cfg80211_pmsr_request { * Statistics should be cumulative, currently no way to reset is provided. * @start_pmsr: start peer measurement (e.g. FTM) * @abort_pmsr: abort peer measurement + * + * @update_owe_info: Provide updated OWE info to driver. Driver implementing SME + * but offloading OWE processing to the user space will get the updated + * DH IE through this interface. + * + * @probe_mesh_link: Probe direct Mesh peer's link quality by sending data frame + * and overrule HWMP path selection algorithm. */ struct cfg80211_ops { int (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow); @@ -3750,6 +3818,10 @@ struct cfg80211_ops { struct cfg80211_pmsr_request *request); void (*abort_pmsr)(struct wiphy *wiphy, struct wireless_dev *wdev, struct cfg80211_pmsr_request *request); + int (*update_owe_info)(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_update_owe_info *owe_info); + int (*probe_mesh_link)(struct wiphy *wiphy, struct net_device *dev, + const u8 *buf, size_t len); }; /* @@ -5492,6 +5564,28 @@ static inline void cfg80211_gen_new_bssid(const u8 *bssid, u8 max_bssid, } /** + * cfg80211_is_element_inherited - returns if element ID should be inherited + * @element: element to check + * @non_inherit_element: non inheritance element + */ +bool cfg80211_is_element_inherited(const struct element *element, + const struct element *non_inherit_element); + +/** + * cfg80211_merge_profile - merges a MBSSID profile if it is split between IEs + * @ie: ies + * @ielen: length of IEs + * @mbssid_elem: current MBSSID element + * @sub_elem: current MBSSID subelement (profile) + * @merged_ie: location of the merged profile + * @max_copy_len: max merged profile length + */ +size_t cfg80211_merge_profile(const u8 *ie, size_t ielen, + const struct element *mbssid_elem, + const struct element *sub_elem, + u8 *merged_ie, size_t max_copy_len); + +/** * enum cfg80211_bss_frame_type - frame type that the BSS data came from * @CFG80211_BSS_FTYPE_UNKNOWN: driver doesn't know whether the data is * from a beacon or probe response @@ -7213,4 +7307,14 @@ void cfg80211_pmsr_complete(struct wireless_dev *wdev, #define wiphy_WARN(wiphy, format, args...) \ WARN(1, "wiphy: %s\n" format, wiphy_name(wiphy), ##args); +/** + * cfg80211_update_owe_info_event - Notify the peer's OWE info to user space + * @netdev: network device + * @owe_info: peer's owe info + * @gfp: allocation flags + */ +void cfg80211_update_owe_info_event(struct net_device *netdev, + struct cfg80211_update_owe_info *owe_info, + gfp_t gfp); + #endif /* __NET_CFG80211_H */ diff --git a/include/net/fq_impl.h b/include/net/fq_impl.h index be7c0fab3478..2caa86660ab0 100644 --- a/include/net/fq_impl.h +++ b/include/net/fq_impl.h @@ -107,21 +107,23 @@ begin: return skb; } +static u32 fq_flow_idx(struct fq *fq, struct sk_buff *skb) +{ + u32 hash = skb_get_hash_perturb(skb, fq->perturbation); + + return reciprocal_scale(hash, fq->flows_cnt); +} + static struct fq_flow *fq_flow_classify(struct fq *fq, - struct fq_tin *tin, + struct fq_tin *tin, u32 idx, struct sk_buff *skb, fq_flow_get_default_t get_default_func) { struct fq_flow *flow; - u32 hash; - u32 idx; lockdep_assert_held(&fq->lock); - hash = skb_get_hash_perturb(skb, fq->perturbation); - idx = reciprocal_scale(hash, fq->flows_cnt); flow = &fq->flows[idx]; - if (flow->tin && flow->tin != tin) { flow = get_default_func(fq, tin, idx, skb); tin->collisions++; @@ -153,7 +155,7 @@ static void fq_recalc_backlog(struct fq *fq, } static void fq_tin_enqueue(struct fq *fq, - struct fq_tin *tin, + struct fq_tin *tin, u32 idx, struct sk_buff *skb, fq_skb_free_t free_func, fq_flow_get_default_t get_default_func) @@ -163,7 +165,7 @@ static void fq_tin_enqueue(struct fq *fq, lockdep_assert_held(&fq->lock); - flow = fq_flow_classify(fq, tin, skb, get_default_func); + flow = fq_flow_classify(fq, tin, idx, skb, get_default_func); flow->tin = tin; flow->backlog += skb->len; diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 112dc18c658f..72080d9d617e 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -807,6 +807,7 @@ enum mac80211_tx_info_flags { * @IEEE80211_TX_CTRL_RATE_INJECT: This frame is injected with rate information * @IEEE80211_TX_CTRL_AMSDU: This frame is an A-MSDU frame * @IEEE80211_TX_CTRL_FAST_XMIT: This frame is going through the fast_xmit path + * @IEEE80211_TX_CTRL_SKIP_MPATH_LOOKUP: This frame skips mesh path lookup * * These flags are used in tx_info->control.flags. */ @@ -816,6 +817,7 @@ enum mac80211_tx_control_flags { IEEE80211_TX_CTRL_RATE_INJECT = BIT(2), IEEE80211_TX_CTRL_AMSDU = BIT(3), IEEE80211_TX_CTRL_FAST_XMIT = BIT(4), + IEEE80211_TX_CTRL_SKIP_MPATH_LOOKUP = BIT(5), }; /* @@ -1697,6 +1699,7 @@ struct wireless_dev *ieee80211_vif_to_wdev(struct ieee80211_vif *vif); * @IEEE80211_KEY_FLAG_PUT_MIC_SPACE: This flag should be set by the driver for * a TKIP key if it only requires MIC space. Do not set together with * @IEEE80211_KEY_FLAG_GENERATE_MMIC on the same key. + * @IEEE80211_KEY_FLAG_NO_AUTO_TX: Key needs explicit Tx activation. */ enum ieee80211_key_flags { IEEE80211_KEY_FLAG_GENERATE_IV_MGMT = BIT(0), @@ -1708,6 +1711,7 @@ enum ieee80211_key_flags { IEEE80211_KEY_FLAG_RX_MGMT = BIT(6), IEEE80211_KEY_FLAG_RESERVE_TAILROOM = BIT(7), IEEE80211_KEY_FLAG_PUT_MIC_SPACE = BIT(8), + IEEE80211_KEY_FLAG_NO_AUTO_TX = BIT(9), }; /** @@ -1888,6 +1892,24 @@ struct ieee80211_sta_rates { }; /** + * struct ieee80211_sta_txpwr - station txpower configuration + * + * Used to configure txpower for station. + * + * @power: indicates the tx power, in dBm, to be used when sending data frames + * to the STA. + * @type: In particular if TPC %type is NL80211_TX_POWER_LIMITED then tx power + * will be less than or equal to specified from userspace, whereas if TPC + * %type is NL80211_TX_POWER_AUTOMATIC then it indicates default tx power. + * NL80211_TX_POWER_FIXED is not a valid configuration option for + * per peer TPC. + */ +struct ieee80211_sta_txpwr { + s16 power; + enum nl80211_tx_power_setting type; +}; + +/** * struct ieee80211_sta - station table entry * * A station table entry represents a station we are possibly @@ -1973,6 +1995,7 @@ struct ieee80211_sta { bool support_p2p_ps; u16 max_rc_amsdu_len; u16 max_tid_amsdu_len[IEEE80211_NUM_TIDS]; + struct ieee80211_sta_txpwr txpwr; struct ieee80211_txq *txq[IEEE80211_NUM_TIDS + 1]; @@ -2243,6 +2266,9 @@ struct ieee80211_txq { * @IEEE80211_HW_SUPPORTS_ONLY_HE_MULTI_BSSID: Hardware supports multi BSSID * only for HE APs. Applies if @IEEE80211_HW_SUPPORTS_MULTI_BSSID is set. * + * @IEEE80211_HW_EXT_KEY_ID_NATIVE: Driver and hardware are supporting Extended + * Key ID and can handle two unicast keys per station for Rx and Tx. + * * @NUM_IEEE80211_HW_FLAGS: number of hardware flags, used for sizing arrays */ enum ieee80211_hw_flags { @@ -2294,6 +2320,7 @@ enum ieee80211_hw_flags { IEEE80211_HW_TX_STATUS_NO_AMPDU_LEN, IEEE80211_HW_SUPPORTS_MULTI_BSSID, IEEE80211_HW_SUPPORTS_ONLY_HE_MULTI_BSSID, + IEEE80211_HW_EXT_KEY_ID_NATIVE, /* keep last, obviously */ NUM_IEEE80211_HW_FLAGS @@ -3794,6 +3821,9 @@ struct ieee80211_ops { #endif void (*sta_notify)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, enum sta_notify_cmd, struct ieee80211_sta *sta); + int (*sta_set_txpwr)(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta); int (*sta_state)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, enum ieee80211_sta_state old_state, diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h index dd4f86ee286e..6f09d1500960 100644 --- a/include/uapi/linux/nl80211.h +++ b/include/uapi/linux/nl80211.h @@ -11,7 +11,7 @@ * Copyright 2008 Jouni Malinen <jouni.malinen@atheros.com> * Copyright 2008 Colin McCabe <colin@cozybit.com> * Copyright 2015-2017 Intel Deutschland GmbH - * Copyright (C) 2018 Intel Corporation + * Copyright (C) 2018-2019 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 @@ -1065,6 +1065,26 @@ * indicated by %NL80211_ATTR_WIPHY_FREQ and other attributes * determining the width and type. * + * @NL80211_CMD_UPDATE_OWE_INFO: This interface allows the host driver to + * offload OWE processing to user space. This intends to support + * OWE AKM by the host drivers that implement SME but rely + * on the user space for the cryptographic/DH IE processing in AP mode. + * + * @NL80211_CMD_PROBE_MESH_LINK: The requirement for mesh link metric + * refreshing, is that from one mesh point we be able to send some data + * frames to other mesh points which are not currently selected as a + * primary traffic path, but which are only 1 hop away. The absence of + * the primary path to the chosen node makes it necessary to apply some + * form of marking on a chosen packet stream so that the packets can be + * properly steered to the selected node for testing, and not by the + * regular mesh path lookup. Further, the packets must be of type data + * so that the rate control (often embedded in firmware) is used for + * rate selection. + * + * Here attribute %NL80211_ATTR_MAC is used to specify connected mesh + * peer MAC address and %NL80211_ATTR_FRAME is used to specify the frame + * content. The frame is ethernet data. + * * @NL80211_CMD_MAX: highest used command number * @__NL80211_CMD_AFTER_LAST: internal use */ @@ -1285,6 +1305,10 @@ enum nl80211_commands { NL80211_CMD_NOTIFY_RADAR, + NL80211_CMD_UPDATE_OWE_INFO, + + NL80211_CMD_PROBE_MESH_LINK, + /* add new commands above here */ /* used to define NL80211_CMD_MAX below */ @@ -2308,6 +2332,15 @@ enum nl80211_commands { * @NL80211_ATTR_AIRTIME_WEIGHT: Station's weight when scheduled by the airtime * scheduler. * + * @NL80211_ATTR_STA_TX_POWER_SETTING: Transmit power setting type (u8) for + * station associated with the AP. See &enum nl80211_tx_power_setting for + * possible values. + * @NL80211_ATTR_STA_TX_POWER: Transmit power level (s16) in dBm units. This + * allows to set Tx power for a station. If this attribute is not included, + * the default per-interface tx power setting will be overriding. Driver + * should be picking up the lowest tx power, either tx power per-interface + * or per-station. + * * @NUM_NL80211_ATTR: total number of nl80211_attrs available * @NL80211_ATTR_MAX: highest attribute number currently defined * @__NL80211_ATTR_AFTER_LAST: internal use @@ -2758,6 +2791,8 @@ enum nl80211_attrs { NL80211_ATTR_PEER_MEASUREMENTS, NL80211_ATTR_AIRTIME_WEIGHT, + NL80211_ATTR_STA_TX_POWER_SETTING, + NL80211_ATTR_STA_TX_POWER, /* add attributes here, update the policy in nl80211.c */ @@ -2802,7 +2837,7 @@ enum nl80211_attrs { #define NL80211_MAX_SUPP_RATES 32 #define NL80211_MAX_SUPP_HT_RATES 77 -#define NL80211_MAX_SUPP_REG_RULES 64 +#define NL80211_MAX_SUPP_REG_RULES 128 #define NL80211_TKIP_DATA_OFFSET_ENCR_KEY 0 #define NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY 16 #define NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY 24 @@ -3139,6 +3174,7 @@ enum nl80211_sta_bss_param { * @NL80211_STA_INFO_TX_DURATION: aggregate PPDU duration for all frames * sent to the station (u64, usec) * @NL80211_STA_INFO_AIRTIME_WEIGHT: current airtime weight for station (u16) + * @NL80211_STA_INFO_AIRTIME_LINK_METRIC: airtime link metric for mesh station * @__NL80211_STA_INFO_AFTER_LAST: internal * @NL80211_STA_INFO_MAX: highest possible station info attribute */ @@ -3184,6 +3220,7 @@ enum nl80211_sta_info { NL80211_STA_INFO_CONNECTED_TO_GATE, NL80211_STA_INFO_TX_DURATION, NL80211_STA_INFO_AIRTIME_WEIGHT, + NL80211_STA_INFO_AIRTIME_LINK_METRIC, /* keep last */ __NL80211_STA_INFO_AFTER_LAST, @@ -3638,6 +3675,14 @@ enum nl80211_reg_rule_attr { * value as specified by &struct nl80211_bss_select_rssi_adjust. * @NL80211_SCHED_SCAN_MATCH_ATTR_BSSID: BSSID to be used for matching * (this cannot be used together with SSID). + * @NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI: Nested attribute that carries the + * band specific minimum rssi thresholds for the bands defined in + * enum nl80211_band. The minimum rssi threshold value(s32) specific to a + * band shall be encapsulated in attribute with type value equals to one + * of the NL80211_BAND_* defined in enum nl80211_band. For example, the + * minimum rssi threshold value for 2.4GHZ band shall be encapsulated + * within an attribute of type NL80211_BAND_2GHZ. And one or more of such + * attributes will be nested within this attribute. * @NL80211_SCHED_SCAN_MATCH_ATTR_MAX: highest scheduled scan filter * attribute number currently defined * @__NL80211_SCHED_SCAN_MATCH_ATTR_AFTER_LAST: internal use @@ -3650,6 +3695,7 @@ enum nl80211_sched_scan_match_attr { NL80211_SCHED_SCAN_MATCH_ATTR_RELATIVE_RSSI, NL80211_SCHED_SCAN_MATCH_ATTR_RSSI_ADJUST, NL80211_SCHED_SCAN_MATCH_ATTR_BSSID, + NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI, /* keep last */ __NL80211_SCHED_SCAN_MATCH_ATTR_AFTER_LAST, @@ -4135,6 +4181,27 @@ enum nl80211_channel_type { }; /** + * enum nl80211_key_mode - Key mode + * + * @NL80211_KEY_RX_TX: (Default) + * Key can be used for Rx and Tx immediately + * + * The following modes can only be selected for unicast keys and when the + * driver supports @NL80211_EXT_FEATURE_EXT_KEY_ID: + * + * @NL80211_KEY_NO_TX: Only allowed in combination with @NL80211_CMD_NEW_KEY: + * Unicast key can only be used for Rx, Tx not allowed, yet + * @NL80211_KEY_SET_TX: Only allowed in combination with @NL80211_CMD_SET_KEY: + * The unicast key identified by idx and mac is cleared for Tx and becomes + * the preferred Tx key for the station. + */ +enum nl80211_key_mode { + NL80211_KEY_RX_TX, + NL80211_KEY_NO_TX, + NL80211_KEY_SET_TX +}; + +/** * enum nl80211_chan_width - channel width definitions * * These values are used with the %NL80211_ATTR_CHANNEL_WIDTH @@ -4377,6 +4444,9 @@ enum nl80211_key_default_types { * @NL80211_KEY_DEFAULT_TYPES: A nested attribute containing flags * attributes, specifying what a key should be set as default as. * See &enum nl80211_key_default_types. + * @NL80211_KEY_MODE: the mode from enum nl80211_key_mode. + * Defaults to @NL80211_KEY_RX_TX. + * * @__NL80211_KEY_AFTER_LAST: internal * @NL80211_KEY_MAX: highest key attribute */ @@ -4390,6 +4460,7 @@ enum nl80211_key_attributes { NL80211_KEY_DEFAULT_MGMT, NL80211_KEY_TYPE, NL80211_KEY_DEFAULT_TYPES, + NL80211_KEY_MODE, /* keep last */ __NL80211_KEY_AFTER_LAST, @@ -5335,6 +5406,8 @@ enum nl80211_feature_flags { * able to rekey an in-use key correctly. Userspace must not rekey PTK keys * if this flag is not set. Ignoring this can leak clear text packets and/or * freeze the connection. + * @NL80211_EXT_FEATURE_EXT_KEY_ID: Driver supports "Extended Key ID for + * Individually Addressed Frames" from IEEE802.11-2016. * * @NL80211_EXT_FEATURE_AIRTIME_FAIRNESS: Driver supports getting airtime * fairness for transmitted packets and has enabled airtime fairness @@ -5343,6 +5416,12 @@ enum nl80211_feature_flags { * @NL80211_EXT_FEATURE_AP_PMKSA_CACHING: Driver/device supports PMKSA caching * (set/del PMKSA operations) in AP mode. * + * @NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD: Driver supports + * filtering of sched scan results using band specific RSSI thresholds. + * + * @NL80211_EXT_FEATURE_STA_TX_PWR: This driver supports controlling tx power + * to a station. + * * @NUM_NL80211_EXT_FEATURES: number of extended features. * @MAX_NL80211_EXT_FEATURES: highest extended feature index. */ @@ -5384,6 +5463,9 @@ enum nl80211_ext_feature_index { NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER, NL80211_EXT_FEATURE_AIRTIME_FAIRNESS, NL80211_EXT_FEATURE_AP_PMKSA_CACHING, + NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD, + NL80211_EXT_FEATURE_EXT_KEY_ID, + NL80211_EXT_FEATURE_STA_TX_PWR, /* add new features before the definition below */ NUM_NL80211_EXT_FEATURES, diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 09dd1c2860fc..52e6a091b7e4 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -351,6 +351,36 @@ static int ieee80211_set_noack_map(struct wiphy *wiphy, return 0; } +static int ieee80211_set_tx(struct ieee80211_sub_if_data *sdata, + const u8 *mac_addr, u8 key_idx) +{ + struct ieee80211_local *local = sdata->local; + struct ieee80211_key *key; + struct sta_info *sta; + int ret = -EINVAL; + + if (!wiphy_ext_feature_isset(local->hw.wiphy, + NL80211_EXT_FEATURE_EXT_KEY_ID)) + return -EINVAL; + + sta = sta_info_get_bss(sdata, mac_addr); + + if (!sta) + return -EINVAL; + + if (sta->ptk_idx == key_idx) + return 0; + + mutex_lock(&local->key_mtx); + key = key_mtx_dereference(local, sta->ptk[key_idx]); + + if (key && key->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX) + ret = ieee80211_set_tx_key(key); + + mutex_unlock(&local->key_mtx); + return ret; +} + static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, u8 key_idx, bool pairwise, const u8 *mac_addr, struct key_params *params) @@ -365,6 +395,9 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, if (!ieee80211_sdata_running(sdata)) return -ENETDOWN; + if (pairwise && params->mode == NL80211_KEY_SET_TX) + return ieee80211_set_tx(sdata, mac_addr, key_idx); + /* reject WEP and TKIP keys if WEP failed to initialize */ switch (params->cipher) { case WLAN_CIPHER_SUITE_WEP40: @@ -396,6 +429,9 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, if (pairwise) key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; + if (params->mode == NL80211_KEY_NO_TX) + key->conf.flags |= IEEE80211_KEY_FLAG_NO_AUTO_TX; + mutex_lock(&local->sta_mtx); if (mac_addr) { @@ -1421,6 +1457,15 @@ static int sta_apply_parameters(struct ieee80211_local *local, if (params->listen_interval >= 0) sta->listen_interval = params->listen_interval; + if (params->sta_modify_mask & STATION_PARAM_APPLY_STA_TXPOWER) { + sta->sta.txpwr.type = params->txpwr.type; + if (params->txpwr.type == NL80211_TX_POWER_LIMITED) + sta->sta.txpwr.power = params->txpwr.power; + ret = drv_sta_set_txpwr(local, sdata, sta); + if (ret) + return ret; + } + if (params->supported_rates) { ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, sband, params->supported_rates, @@ -3990,4 +4035,5 @@ const struct cfg80211_ops mac80211_config_ops = { .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats, .start_pmsr = ieee80211_start_pmsr, .abort_pmsr = ieee80211_abort_pmsr, + .probe_mesh_link = ieee80211_probe_mesh_link, }; diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c index 2d43bc127043..0d462206eef6 100644 --- a/net/mac80211/debugfs.c +++ b/net/mac80211/debugfs.c @@ -150,6 +150,58 @@ static const struct file_operations aqm_ops = { .llseek = default_llseek, }; +static ssize_t force_tx_status_read(struct file *file, + char __user *user_buf, + size_t count, + loff_t *ppos) +{ + struct ieee80211_local *local = file->private_data; + char buf[3]; + int len = 0; + + len = scnprintf(buf, sizeof(buf), "%d\n", (int)local->force_tx_status); + + return simple_read_from_buffer(user_buf, count, ppos, + buf, len); +} + +static ssize_t force_tx_status_write(struct file *file, + const char __user *user_buf, + size_t count, + loff_t *ppos) +{ + struct ieee80211_local *local = file->private_data; + char buf[3]; + size_t len; + + if (count > sizeof(buf)) + return -EINVAL; + + if (copy_from_user(buf, user_buf, count)) + return -EFAULT; + + buf[sizeof(buf) - 1] = '\0'; + len = strlen(buf); + if (len > 0 && buf[len - 1] == '\n') + buf[len - 1] = 0; + + if (buf[0] == '0' && buf[1] == '\0') + local->force_tx_status = 0; + else if (buf[0] == '1' && buf[1] == '\0') + local->force_tx_status = 1; + else + return -EINVAL; + + return count; +} + +static const struct file_operations force_tx_status_ops = { + .write = force_tx_status_write, + .read = force_tx_status_read, + .open = simple_open, + .llseek = default_llseek, +}; + #ifdef CONFIG_PM static ssize_t reset_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) @@ -221,6 +273,7 @@ static const char *hw_flag_names[] = { FLAG(TX_STATUS_NO_AMPDU_LEN), FLAG(SUPPORTS_MULTI_BSSID), FLAG(SUPPORTS_ONLY_HE_MULTI_BSSID), + FLAG(EXT_KEY_ID_NATIVE), #undef FLAG }; @@ -382,6 +435,7 @@ void debugfs_hw_add(struct ieee80211_local *local) DEBUGFS_ADD(hwflags); DEBUGFS_ADD(user_power); DEBUGFS_ADD(power); + DEBUGFS_ADD_MODE(force_tx_status, 0600); if (local->ops->wake_tx_queue) DEBUGFS_ADD_MODE(aqm, 0600); diff --git a/net/mac80211/driver-ops.c b/net/mac80211/driver-ops.c index bb886e7db47f..839c0022a29c 100644 --- a/net/mac80211/driver-ops.c +++ b/net/mac80211/driver-ops.c @@ -138,6 +138,27 @@ int drv_sta_state(struct ieee80211_local *local, return ret; } +__must_check +int drv_sta_set_txpwr(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct sta_info *sta) +{ + int ret = -EOPNOTSUPP; + + might_sleep(); + + sdata = get_bss_sdata(sdata); + if (!check_sdata_in_driver(sdata)) + return -EIO; + + trace_drv_sta_set_txpwr(local, sdata, &sta->sta); + if (local->ops->sta_set_txpwr) + ret = local->ops->sta_set_txpwr(&local->hw, &sdata->vif, + &sta->sta); + trace_drv_return_int(local, ret); + return ret; +} + void drv_sta_rc_update(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_sta *sta, u32 changed) diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h index ae4f0be3b393..c2d8b5451a5e 100644 --- a/net/mac80211/driver-ops.h +++ b/net/mac80211/driver-ops.h @@ -529,6 +529,11 @@ int drv_sta_state(struct ieee80211_local *local, enum ieee80211_sta_state old_state, enum ieee80211_sta_state new_state); +__must_check +int drv_sta_set_txpwr(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct sta_info *sta); + void drv_sta_rc_update(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_sta *sta, u32 changed); diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index e170f986d226..073a8235ae1b 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1269,7 +1269,7 @@ struct ieee80211_local { /* * Key mutex, protects sdata's key_list and sta_info's - * key pointers (write access, they're RCU.) + * key pointers and ptk_idx (write access, they're RCU.) */ struct mutex key_mtx; @@ -1384,6 +1384,7 @@ struct ieee80211_local { struct dentry *rcdir; struct dentry *keys; } debugfs; + bool force_tx_status; #endif /* @@ -1505,7 +1506,6 @@ struct ieee802_11_elems { const struct ieee80211_bss_max_idle_period_ie *max_idle_period_ie; const struct ieee80211_multiple_bssid_configuration *mbssid_config_ie; const struct ieee80211_bssid_index *bssid_index; - const u8 *nontransmitted_bssid_profile; u8 max_bssid_indicator; u8 dtim_count; u8 dtim_period; @@ -1761,7 +1761,8 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev); void __ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev, - u32 info_flags); + u32 info_flags, + u32 ctrl_flags); void ieee80211_purge_tx_queue(struct ieee80211_hw *hw, struct sk_buff_head *skbs); struct sk_buff * @@ -1778,6 +1779,8 @@ void ieee80211_clear_fast_xmit(struct sta_info *sta); int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev, const u8 *buf, size_t len, const u8 *dest, __be16 proto, bool unencrypted); +int ieee80211_probe_mesh_link(struct wiphy *wiphy, struct net_device *dev, + const u8 *buf, size_t len); /* HT */ void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index f0d97eba250b..94459b2b3d2a 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -1225,6 +1225,7 @@ static void ieee80211_if_setup(struct net_device *dev) static void ieee80211_if_setup_no_queue(struct net_device *dev) { ieee80211_if_setup(dev); + dev->features |= NETIF_F_LLTX; dev->priv_flags |= IFF_NO_QUEUE; } @@ -1762,13 +1763,13 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name, txq_size += sizeof(struct txq_info) + local->hw.txq_data_size; - if (local->ops->wake_tx_queue) + if (local->ops->wake_tx_queue) { if_setup = ieee80211_if_setup_no_queue; - else + } else { if_setup = ieee80211_if_setup; - - if (local->hw.queues >= IEEE80211_NUM_ACS) - txqs = IEEE80211_NUM_ACS; + if (local->hw.queues >= IEEE80211_NUM_ACS) + txqs = IEEE80211_NUM_ACS; + } ndev = alloc_netdev_mqs(size + txq_size, name, name_assign_type, diff --git a/net/mac80211/key.c b/net/mac80211/key.c index 37e372896230..20bf9db7a388 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -140,6 +140,12 @@ static int ieee80211_key_enable_hw_accel(struct ieee80211_key *key) * so clear that flag now to avoid trying to remove * it again later. */ + if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && + !(key->conf.flags & (IEEE80211_KEY_FLAG_GENERATE_MMIC | + IEEE80211_KEY_FLAG_PUT_MIC_SPACE | + IEEE80211_KEY_FLAG_RESERVE_TAILROOM))) + increment_tailroom_need_count(sdata); + key->flags &= ~KEY_FLAG_UPLOADED_TO_HARDWARE; return -EINVAL; } @@ -179,9 +185,9 @@ static int ieee80211_key_enable_hw_accel(struct ieee80211_key *key) if (!ret) { key->flags |= KEY_FLAG_UPLOADED_TO_HARDWARE; - if (!((key->conf.flags & (IEEE80211_KEY_FLAG_GENERATE_MMIC | - IEEE80211_KEY_FLAG_PUT_MIC_SPACE)) || - (key->conf.flags & IEEE80211_KEY_FLAG_RESERVE_TAILROOM))) + if (!(key->conf.flags & (IEEE80211_KEY_FLAG_GENERATE_MMIC | + IEEE80211_KEY_FLAG_PUT_MIC_SPACE | + IEEE80211_KEY_FLAG_RESERVE_TAILROOM))) decrease_tailroom_need_count(sdata, 1); WARN_ON((key->conf.flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE) && @@ -242,9 +248,9 @@ static void ieee80211_key_disable_hw_accel(struct ieee80211_key *key) sta = key->sta; sdata = key->sdata; - if (!((key->conf.flags & (IEEE80211_KEY_FLAG_GENERATE_MMIC | - IEEE80211_KEY_FLAG_PUT_MIC_SPACE)) || - (key->conf.flags & IEEE80211_KEY_FLAG_RESERVE_TAILROOM))) + if (!(key->conf.flags & (IEEE80211_KEY_FLAG_GENERATE_MMIC | + IEEE80211_KEY_FLAG_PUT_MIC_SPACE | + IEEE80211_KEY_FLAG_RESERVE_TAILROOM))) increment_tailroom_need_count(sdata); key->flags &= ~KEY_FLAG_UPLOADED_TO_HARDWARE; @@ -258,9 +264,24 @@ static void ieee80211_key_disable_hw_accel(struct ieee80211_key *key) sta ? sta->sta.addr : bcast_addr, ret); } +int ieee80211_set_tx_key(struct ieee80211_key *key) +{ + struct sta_info *sta = key->sta; + struct ieee80211_local *local = key->local; + struct ieee80211_key *old; + + assert_key_lock(local); + + old = key_mtx_dereference(local, sta->ptk[sta->ptk_idx]); + sta->ptk_idx = key->conf.keyidx; + ieee80211_check_fast_xmit(sta); + + return 0; +} + static int ieee80211_hw_key_replace(struct ieee80211_key *old_key, struct ieee80211_key *new_key, - bool ptk0rekey) + bool pairwise) { struct ieee80211_sub_if_data *sdata; struct ieee80211_local *local; @@ -277,8 +298,9 @@ static int ieee80211_hw_key_replace(struct ieee80211_key *old_key, assert_key_lock(old_key->local); sta = old_key->sta; - /* PTK only using key ID 0 needs special handling on rekey */ - if (new_key && sta && ptk0rekey) { + /* Unicast rekey without Extended Key ID needs special handling */ + if (new_key && sta && pairwise && + rcu_access_pointer(sta->ptk[sta->ptk_idx]) == old_key) { local = old_key->local; sdata = old_key->sdata; @@ -394,10 +416,6 @@ static int ieee80211_key_replace(struct ieee80211_sub_if_data *sdata, if (old) { idx = old->conf.keyidx; - /* TODO: proper implement and test "Extended Key ID for - * Individually Addressed Frames" from IEEE 802.11-2016. - * Till then always assume only key ID 0 is used for - * pairwise keys.*/ ret = ieee80211_hw_key_replace(old, new, pairwise); } else { /* new must be provided in case old is not */ @@ -414,15 +432,20 @@ static int ieee80211_key_replace(struct ieee80211_sub_if_data *sdata, if (sta) { if (pairwise) { rcu_assign_pointer(sta->ptk[idx], new); - sta->ptk_idx = idx; - if (new) { + if (new && + !(new->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX)) { + sta->ptk_idx = idx; clear_sta_flag(sta, WLAN_STA_BLOCK_BA); ieee80211_check_fast_xmit(sta); } } else { rcu_assign_pointer(sta->gtk[idx], new); } - if (new) + /* Only needed for transition from no key -> key. + * Still triggers unnecessary when using Extended Key ID + * and installing the second key ID the first time. + */ + if (new && !old) ieee80211_check_fast_rx(sta); } else { defunikey = old && @@ -738,16 +761,34 @@ int ieee80211_key_link(struct ieee80211_key *key, * can cause warnings to appear. */ bool delay_tailroom = sdata->vif.type == NL80211_IFTYPE_STATION; - int ret; + int ret = -EOPNOTSUPP; mutex_lock(&sdata->local->key_mtx); - if (sta && pairwise) + if (sta && pairwise) { + struct ieee80211_key *alt_key; + old_key = key_mtx_dereference(sdata->local, sta->ptk[idx]); - else if (sta) + alt_key = key_mtx_dereference(sdata->local, sta->ptk[idx ^ 1]); + + /* The rekey code assumes that the old and new key are using + * the same cipher. Enforce the assumption for pairwise keys. + */ + if (key && + ((alt_key && alt_key->conf.cipher != key->conf.cipher) || + (old_key && old_key->conf.cipher != key->conf.cipher))) + goto out; + } else if (sta) { old_key = key_mtx_dereference(sdata->local, sta->gtk[idx]); - else + } else { old_key = key_mtx_dereference(sdata->local, sdata->keys[idx]); + } + + /* Non-pairwise keys must also not switch the cipher on rekey */ + if (!pairwise) { + if (key && old_key && old_key->conf.cipher != key->conf.cipher) + goto out; + } /* * Silently accept key re-installation without really installing the @@ -1187,9 +1228,9 @@ void ieee80211_remove_key(struct ieee80211_key_conf *keyconf) if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) { key->flags &= ~KEY_FLAG_UPLOADED_TO_HARDWARE; - if (!((key->conf.flags & (IEEE80211_KEY_FLAG_GENERATE_MMIC | - IEEE80211_KEY_FLAG_PUT_MIC_SPACE)) || - (key->conf.flags & IEEE80211_KEY_FLAG_RESERVE_TAILROOM))) + if (!(key->conf.flags & (IEEE80211_KEY_FLAG_GENERATE_MMIC | + IEEE80211_KEY_FLAG_PUT_MIC_SPACE | + IEEE80211_KEY_FLAG_RESERVE_TAILROOM))) increment_tailroom_need_count(key->sdata); } diff --git a/net/mac80211/key.h b/net/mac80211/key.h index ebdb80b85dc3..f06fbd03d235 100644 --- a/net/mac80211/key.h +++ b/net/mac80211/key.h @@ -18,6 +18,7 @@ #define NUM_DEFAULT_KEYS 4 #define NUM_DEFAULT_MGMT_KEYS 2 +#define INVALID_PTK_KEYIDX 2 /* Keyidx always pointing to a NULL key for PTK */ struct ieee80211_local; struct ieee80211_sub_if_data; @@ -146,6 +147,7 @@ ieee80211_key_alloc(u32 cipher, int idx, size_t key_len, int ieee80211_key_link(struct ieee80211_key *key, struct ieee80211_sub_if_data *sdata, struct sta_info *sta); +int ieee80211_set_tx_key(struct ieee80211_key *key); void ieee80211_key_free(struct ieee80211_key *key, bool delay_tailroom); void ieee80211_key_free_unused(struct ieee80211_key *key); void ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata, int idx, diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 800e67615e2a..2b608044ae23 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -1051,6 +1051,22 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) } } + /* Enable Extended Key IDs when driver allowed it, or when it + * supports neither HW crypto nor A-MPDUs + */ + if ((!local->ops->set_key && + !ieee80211_hw_check(hw, AMPDU_AGGREGATION)) || + ieee80211_hw_check(&local->hw, EXT_KEY_ID_NATIVE)) + wiphy_ext_feature_set(local->hw.wiphy, + NL80211_EXT_FEATURE_EXT_KEY_ID); + + /* Mac80211 and therefore all cards only using SW crypto are able to + * handle PTK rekeys correctly + */ + if (!local->ops->set_key) + wiphy_ext_feature_set(local->hw.wiphy, + NL80211_EXT_FEATURE_CAN_REPLACE_PTK0); + /* * Calculate scan IE length -- we need this to alloc * memory and to subtract from the driver limit. It diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h index 574c3891c4b2..88535a2e62bc 100644 --- a/net/mac80211/mesh.h +++ b/net/mac80211/mesh.h @@ -278,6 +278,8 @@ mesh_path_add(struct ieee80211_sub_if_data *sdata, const u8 *dst); int mesh_path_add_gate(struct mesh_path *mpath); int mesh_path_send_to_gates(struct mesh_path *mpath); int mesh_gate_num(struct ieee80211_sub_if_data *sdata); +u32 airtime_link_metric_get(struct ieee80211_local *local, + struct sta_info *sta); /* Mesh plinks */ void mesh_neighbour_update(struct ieee80211_sub_if_data *sdata, diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c index f7517668e77a..bf8e13cd5fd1 100644 --- a/net/mac80211/mesh_hwmp.c +++ b/net/mac80211/mesh_hwmp.c @@ -318,8 +318,8 @@ void ieee80211s_update_metric(struct ieee80211_local *local, cfg80211_calculate_bitrate(&rinfo)); } -static u32 airtime_link_metric_get(struct ieee80211_local *local, - struct sta_info *sta) +u32 airtime_link_metric_get(struct ieee80211_local *local, + struct sta_info *sta) { /* This should be adjusted for each device */ int device_constant = 1 << ARITH_SHIFT; @@ -1130,16 +1130,17 @@ int mesh_nexthop_resolve(struct ieee80211_sub_if_data *sdata, struct mesh_path *mpath; struct sk_buff *skb_to_free = NULL; u8 *target_addr = hdr->addr3; - int err = 0; /* Nulls are only sent to peers for PS and should be pre-addressed */ if (ieee80211_is_qos_nullfunc(hdr->frame_control)) return 0; - rcu_read_lock(); - err = mesh_nexthop_lookup(sdata, skb); - if (!err) - goto endlookup; + /* Allow injected packets to bypass mesh routing */ + if (info->control.flags & IEEE80211_TX_CTRL_SKIP_MPATH_LOOKUP) + return 0; + + if (!mesh_nexthop_lookup(sdata, skb)) + return 0; /* no nexthop found, start resolving */ mpath = mesh_path_lookup(sdata, target_addr); @@ -1147,8 +1148,7 @@ int mesh_nexthop_resolve(struct ieee80211_sub_if_data *sdata, mpath = mesh_path_add(sdata, target_addr); if (IS_ERR(mpath)) { mesh_path_discard_frame(sdata, skb); - err = PTR_ERR(mpath); - goto endlookup; + return PTR_ERR(mpath); } } @@ -1161,13 +1161,10 @@ int mesh_nexthop_resolve(struct ieee80211_sub_if_data *sdata, info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING; ieee80211_set_qos_hdr(sdata, skb); skb_queue_tail(&mpath->frame_queue, skb); - err = -ENOENT; if (skb_to_free) mesh_path_discard_frame(sdata, skb_to_free); -endlookup: - rcu_read_unlock(); - return err; + return -ENOENT; } /** @@ -1187,13 +1184,10 @@ int mesh_nexthop_lookup(struct ieee80211_sub_if_data *sdata, struct sta_info *next_hop; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; u8 *target_addr = hdr->addr3; - int err = -ENOENT; - rcu_read_lock(); mpath = mesh_path_lookup(sdata, target_addr); - if (!mpath || !(mpath->flags & MESH_PATH_ACTIVE)) - goto endlookup; + return -ENOENT; if (time_after(jiffies, mpath->exp_time - @@ -1208,12 +1202,10 @@ int mesh_nexthop_lookup(struct ieee80211_sub_if_data *sdata, memcpy(hdr->addr1, next_hop->sta.addr, ETH_ALEN); memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); ieee80211_mps_set_frame_flags(sdata, next_hop, hdr); - err = 0; + return 0; } -endlookup: - rcu_read_unlock(); - return err; + return -ENOENT; } void mesh_path_timer(struct timer_list *t) diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c index b76a2aefa9ec..796b069ad251 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -217,7 +217,7 @@ static struct mesh_path *mpath_lookup(struct mesh_table *tbl, const u8 *dst, { struct mesh_path *mpath; - mpath = rhashtable_lookup_fast(&tbl->rhead, dst, mesh_rht_params); + mpath = rhashtable_lookup(&tbl->rhead, dst, mesh_rht_params); if (mpath && mpath_expired(mpath)) { spin_lock_bh(&mpath->state_lock); diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 2dbcf5d5512e..b7a9fe3d5fcb 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1188,9 +1188,6 @@ static void ieee80211_chswitch_work(struct work_struct *work) goto out; } - /* XXX: shouldn't really modify cfg80211-owned data! */ - ifmgd->associated->channel = sdata->csa_chandef.chan; - ifmgd->csa_waiting_bcn = true; ieee80211_sta_reset_beacon_monitor(sdata); diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c index ccaf951e4e31..8b168724c5e7 100644 --- a/net/mac80211/rc80211_minstrel_ht.c +++ b/net/mac80211/rc80211_minstrel_ht.c @@ -51,8 +51,13 @@ MINSTREL_MAX_STREAMS * _sgi + \ _streams - 1 +#define _MAX(a, b) (((a)>(b))?(a):(b)) + +#define GROUP_SHIFT(duration) \ + _MAX(0, 16 - __builtin_clz(duration)) + /* MCS rate information for an MCS group */ -#define MCS_GROUP(_streams, _sgi, _ht40, _s) \ +#define __MCS_GROUP(_streams, _sgi, _ht40, _s) \ [GROUP_IDX(_streams, _sgi, _ht40)] = { \ .streams = _streams, \ .shift = _s, \ @@ -72,6 +77,13 @@ } \ } +#define MCS_GROUP_SHIFT(_streams, _sgi, _ht40) \ + GROUP_SHIFT(MCS_DURATION(_streams, _sgi, _ht40 ? 54 : 26)) + +#define MCS_GROUP(_streams, _sgi, _ht40) \ + __MCS_GROUP(_streams, _sgi, _ht40, \ + MCS_GROUP_SHIFT(_streams, _sgi, _ht40)) + #define VHT_GROUP_IDX(_streams, _sgi, _bw) \ (MINSTREL_VHT_GROUP_0 + \ MINSTREL_MAX_STREAMS * 2 * (_bw) + \ @@ -81,7 +93,7 @@ #define BW2VBPS(_bw, r3, r2, r1) \ (_bw == BW_80 ? r3 : _bw == BW_40 ? r2 : r1) -#define VHT_GROUP(_streams, _sgi, _bw, _s) \ +#define __VHT_GROUP(_streams, _sgi, _bw, _s) \ [VHT_GROUP_IDX(_streams, _sgi, _bw)] = { \ .streams = _streams, \ .shift = _s, \ @@ -114,6 +126,14 @@ } \ } +#define VHT_GROUP_SHIFT(_streams, _sgi, _bw) \ + GROUP_SHIFT(MCS_DURATION(_streams, _sgi, \ + BW2VBPS(_bw, 117, 54, 26))) + +#define VHT_GROUP(_streams, _sgi, _bw) \ + __VHT_GROUP(_streams, _sgi, _bw, \ + VHT_GROUP_SHIFT(_streams, _sgi, _bw)) + #define CCK_DURATION(_bitrate, _short, _len) \ (1000 * (10 /* SIFS */ + \ (_short ? 72 + 24 : 144 + 48) + \ @@ -129,7 +149,7 @@ CCK_ACK_DURATION(55, _short) >> _s, \ CCK_ACK_DURATION(110, _short) >> _s -#define CCK_GROUP(_s) \ +#define __CCK_GROUP(_s) \ [MINSTREL_CCK_GROUP] = { \ .streams = 1, \ .flags = 0, \ @@ -140,6 +160,12 @@ } \ } +#define CCK_GROUP_SHIFT \ + GROUP_SHIFT(CCK_ACK_DURATION(10, false)) + +#define CCK_GROUP __CCK_GROUP(CCK_GROUP_SHIFT) + + static bool minstrel_vht_only = true; module_param(minstrel_vht_only, bool, 0644); MODULE_PARM_DESC(minstrel_vht_only, @@ -154,47 +180,57 @@ MODULE_PARM_DESC(minstrel_vht_only, * BW -> SGI -> #streams */ const struct mcs_group minstrel_mcs_groups[] = { - MCS_GROUP(1, 0, BW_20, 5), - MCS_GROUP(2, 0, BW_20, 4), - MCS_GROUP(3, 0, BW_20, 4), - - MCS_GROUP(1, 1, BW_20, 5), - MCS_GROUP(2, 1, BW_20, 4), - MCS_GROUP(3, 1, BW_20, 4), - - MCS_GROUP(1, 0, BW_40, 4), - MCS_GROUP(2, 0, BW_40, 4), - MCS_GROUP(3, 0, BW_40, 4), - - MCS_GROUP(1, 1, BW_40, 4), - MCS_GROUP(2, 1, BW_40, 4), - MCS_GROUP(3, 1, BW_40, 4), - - CCK_GROUP(8), - - VHT_GROUP(1, 0, BW_20, 5), - VHT_GROUP(2, 0, BW_20, 4), - VHT_GROUP(3, 0, BW_20, 4), - - VHT_GROUP(1, 1, BW_20, 5), - VHT_GROUP(2, 1, BW_20, 4), - VHT_GROUP(3, 1, BW_20, 4), - - VHT_GROUP(1, 0, BW_40, 4), - VHT_GROUP(2, 0, BW_40, 4), - VHT_GROUP(3, 0, BW_40, 4), - - VHT_GROUP(1, 1, BW_40, 4), - VHT_GROUP(2, 1, BW_40, 4), - VHT_GROUP(3, 1, BW_40, 4), - - VHT_GROUP(1, 0, BW_80, 4), - VHT_GROUP(2, 0, BW_80, 4), - VHT_GROUP(3, 0, BW_80, 4), - - VHT_GROUP(1, 1, BW_80, 4), - VHT_GROUP(2, 1, BW_80, 4), - VHT_GROUP(3, 1, BW_80, 4), + MCS_GROUP(1, 0, BW_20), + MCS_GROUP(2, 0, BW_20), + MCS_GROUP(3, 0, BW_20), + MCS_GROUP(4, 0, BW_20), + + MCS_GROUP(1, 1, BW_20), + MCS_GROUP(2, 1, BW_20), + MCS_GROUP(3, 1, BW_20), + MCS_GROUP(4, 1, BW_20), + + MCS_GROUP(1, 0, BW_40), + MCS_GROUP(2, 0, BW_40), + MCS_GROUP(3, 0, BW_40), + MCS_GROUP(4, 0, BW_40), + + MCS_GROUP(1, 1, BW_40), + MCS_GROUP(2, 1, BW_40), + MCS_GROUP(3, 1, BW_40), + MCS_GROUP(4, 1, BW_40), + + CCK_GROUP, + + VHT_GROUP(1, 0, BW_20), + VHT_GROUP(2, 0, BW_20), + VHT_GROUP(3, 0, BW_20), + VHT_GROUP(4, 0, BW_20), + + VHT_GROUP(1, 1, BW_20), + VHT_GROUP(2, 1, BW_20), + VHT_GROUP(3, 1, BW_20), + VHT_GROUP(4, 1, BW_20), + + VHT_GROUP(1, 0, BW_40), + VHT_GROUP(2, 0, BW_40), + VHT_GROUP(3, 0, BW_40), + VHT_GROUP(4, 0, BW_40), + + VHT_GROUP(1, 1, BW_40), + VHT_GROUP(2, 1, BW_40), + VHT_GROUP(3, 1, BW_40), + VHT_GROUP(4, 1, BW_40), + + VHT_GROUP(1, 0, BW_80), + VHT_GROUP(2, 0, BW_80), + VHT_GROUP(3, 0, BW_80), + VHT_GROUP(4, 0, BW_80), + + VHT_GROUP(1, 1, BW_80), + VHT_GROUP(2, 1, BW_80), + VHT_GROUP(3, 1, BW_80), + VHT_GROUP(4, 1, BW_80), }; static u8 sample_table[SAMPLE_COLUMNS][MCS_GROUP_RATES] __read_mostly; diff --git a/net/mac80211/rc80211_minstrel_ht.h b/net/mac80211/rc80211_minstrel_ht.h index 26b7a3244b47..f762e5ba7c2e 100644 --- a/net/mac80211/rc80211_minstrel_ht.h +++ b/net/mac80211/rc80211_minstrel_ht.h @@ -13,7 +13,7 @@ * The number of streams can be changed to 2 to reduce code * size and memory footprint. */ -#define MINSTREL_MAX_STREAMS 3 +#define MINSTREL_MAX_STREAMS 4 #define MINSTREL_HT_STREAM_GROUPS 4 /* BW(=2) * SGI(=2) */ #define MINSTREL_VHT_STREAM_GROUPS 6 /* BW(=3) * SGI(=2) */ diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index bf0b187f994e..25577ede2986 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -1005,23 +1005,43 @@ static int ieee80211_get_mmie_keyidx(struct sk_buff *skb) return -1; } -static int ieee80211_get_cs_keyid(const struct ieee80211_cipher_scheme *cs, - struct sk_buff *skb) +static int ieee80211_get_keyid(struct sk_buff *skb, + const struct ieee80211_cipher_scheme *cs) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; __le16 fc; int hdrlen; + int minlen; + u8 key_idx_off; + u8 key_idx_shift; u8 keyid; fc = hdr->frame_control; hdrlen = ieee80211_hdrlen(fc); - if (skb->len < hdrlen + cs->hdr_len) + if (cs) { + minlen = hdrlen + cs->hdr_len; + key_idx_off = hdrlen + cs->key_idx_off; + key_idx_shift = cs->key_idx_shift; + } else { + /* WEP, TKIP, CCMP and GCMP */ + minlen = hdrlen + IEEE80211_WEP_IV_LEN; + key_idx_off = hdrlen + 3; + key_idx_shift = 6; + } + + if (unlikely(skb->len < minlen)) return -EINVAL; - skb_copy_bits(skb, hdrlen + cs->key_idx_off, &keyid, 1); - keyid &= cs->key_idx_mask; - keyid >>= cs->key_idx_shift; + skb_copy_bits(skb, key_idx_off, &keyid, 1); + + if (cs) + keyid &= cs->key_idx_mask; + keyid >>= key_idx_shift; + + /* cs could use more than the usual two bits for the keyid */ + if (unlikely(keyid >= NUM_DEFAULT_KEYS)) + return -EINVAL; return keyid; } @@ -1860,9 +1880,9 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx) struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb); struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; int keyidx; - int hdrlen; ieee80211_rx_result result = RX_DROP_UNUSABLE; struct ieee80211_key *sta_ptk = NULL; + struct ieee80211_key *ptk_idx = NULL; int mmie_keyidx = -1; __le16 fc; const struct ieee80211_cipher_scheme *cs = NULL; @@ -1900,21 +1920,24 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx) if (rx->sta) { int keyid = rx->sta->ptk_idx; + sta_ptk = rcu_dereference(rx->sta->ptk[keyid]); - if (ieee80211_has_protected(fc) && rx->sta->cipher_scheme) { + if (ieee80211_has_protected(fc)) { cs = rx->sta->cipher_scheme; - keyid = ieee80211_get_cs_keyid(cs, rx->skb); + keyid = ieee80211_get_keyid(rx->skb, cs); + if (unlikely(keyid < 0)) return RX_DROP_UNUSABLE; + + ptk_idx = rcu_dereference(rx->sta->ptk[keyid]); } - sta_ptk = rcu_dereference(rx->sta->ptk[keyid]); } if (!ieee80211_has_protected(fc)) mmie_keyidx = ieee80211_get_mmie_keyidx(rx->skb); if (!is_multicast_ether_addr(hdr->addr1) && sta_ptk) { - rx->key = sta_ptk; + rx->key = ptk_idx ? ptk_idx : sta_ptk; if ((status->flag & RX_FLAG_DECRYPTED) && (status->flag & RX_FLAG_IV_STRIPPED)) return RX_CONTINUE; @@ -1974,8 +1997,6 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx) } return RX_CONTINUE; } else { - u8 keyid; - /* * The device doesn't give us the IV so we won't be * able to look up the key. That's ok though, we @@ -1989,23 +2010,10 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx) (status->flag & RX_FLAG_IV_STRIPPED)) return RX_CONTINUE; - hdrlen = ieee80211_hdrlen(fc); - - if (cs) { - keyidx = ieee80211_get_cs_keyid(cs, rx->skb); + keyidx = ieee80211_get_keyid(rx->skb, cs); - if (unlikely(keyidx < 0)) - return RX_DROP_UNUSABLE; - } else { - if (rx->skb->len < 8 + hdrlen) - return RX_DROP_UNUSABLE; /* TODO: count this? */ - /* - * no need to call ieee80211_wep_get_keyidx, - * it verifies a bunch of things we've done already - */ - skb_copy_bits(rx->skb, hdrlen + 3, &keyid, 1); - keyidx = keyid >> 6; - } + if (unlikely(keyidx < 0)) + return RX_DROP_UNUSABLE; /* check per-station GTK first, if multicast packet */ if (is_multicast_ether_addr(hdr->addr1) && rx->sta) @@ -4050,12 +4058,8 @@ void ieee80211_check_fast_rx(struct sta_info *sta) case WLAN_CIPHER_SUITE_GCMP_256: break; default: - /* we also don't want to deal with WEP or cipher scheme - * since those require looking up the key idx in the - * frame, rather than assuming the PTK is used - * (we need to revisit this once we implement the real - * PTK index, which is now valid in the spec, but we - * haven't implemented that part yet) + /* We also don't want to deal with + * WEP or cipher scheme. */ goto clear_rcu; } diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index 11f058987a54..a4932ee3595c 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -347,6 +347,15 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata, sta->sta.max_rx_aggregation_subframes = local->hw.max_rx_aggregation_subframes; + /* Extended Key ID needs to install keys for keyid 0 and 1 Rx-only. + * The Tx path starts to use a key as soon as the key slot ptk_idx + * references to is not NULL. To not use the initial Rx-only key + * prematurely for Tx initialize ptk_idx to an impossible PTK keyid + * which always will refer to a NULL key. + */ + BUILD_BUG_ON(ARRAY_SIZE(sta->ptk) <= INVALID_PTK_KEYIDX); + sta->ptk_idx = INVALID_PTK_KEYIDX; + sta->local = local; sta->sdata = sdata; sta->rx_stats.last_rx = jiffies; @@ -2373,6 +2382,12 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo, sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL_AVG); } + + if (ieee80211_vif_is_mesh(&sdata->vif)) { + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_AIRTIME_LINK_METRIC); + sinfo->airtime_link_metric = + airtime_link_metric_get(local, sta); + } } u32 sta_get_expected_throughput(struct sta_info *sta) diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c index d30690d79a58..24c37f91ca46 100644 --- a/net/mac80211/tdls.c +++ b/net/mac80211/tdls.c @@ -1056,7 +1056,7 @@ ieee80211_tdls_prep_mgmt_packet(struct wiphy *wiphy, struct net_device *dev, /* disable bottom halves when entering the Tx path */ local_bh_disable(); - __ieee80211_subif_start_xmit(skb, dev, flags); + __ieee80211_subif_start_xmit(skb, dev, flags, 0); local_bh_enable(); return ret; diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h index 8ba70d26b82e..3bb4459b52c7 100644 --- a/net/mac80211/trace.h +++ b/net/mac80211/trace.h @@ -828,6 +828,36 @@ TRACE_EVENT(drv_sta_state, ) ); +TRACE_EVENT(drv_sta_set_txpwr, + TP_PROTO(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct ieee80211_sta *sta), + + TP_ARGS(local, sdata, sta), + + TP_STRUCT__entry( + LOCAL_ENTRY + VIF_ENTRY + STA_ENTRY + __field(s16, txpwr) + __field(u8, type) + ), + + TP_fast_assign( + LOCAL_ASSIGN; + VIF_ASSIGN; + STA_ASSIGN; + __entry->txpwr = sta->txpwr.power; + __entry->type = sta->txpwr.type; + ), + + TP_printk( + LOCAL_PR_FMT VIF_PR_FMT STA_PR_FMT " txpwr: %d type %d", + LOCAL_PR_ARG, VIF_PR_ARG, STA_PR_ARG, + __entry->txpwr, __entry->type + ) +); + TRACE_EVENT(drv_sta_rc_update, TP_PROTO(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 2e816dd67be7..dd220b977025 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1399,11 +1399,15 @@ static void ieee80211_txq_enqueue(struct ieee80211_local *local, { struct fq *fq = &local->fq; struct fq_tin *tin = &txqi->tin; + u32 flow_idx = fq_flow_idx(fq, skb); ieee80211_set_skb_enqueue_time(skb); - fq_tin_enqueue(fq, tin, skb, + + spin_lock_bh(&fq->lock); + fq_tin_enqueue(fq, tin, flow_idx, skb, fq_skb_free_func, fq_flow_get_default_func); + spin_unlock_bh(&fq->lock); } static bool fq_vlan_filter_func(struct fq *fq, struct fq_tin *tin, @@ -1590,7 +1594,6 @@ static bool ieee80211_queue_skb(struct ieee80211_local *local, struct sta_info *sta, struct sk_buff *skb) { - struct fq *fq = &local->fq; struct ieee80211_vif *vif; struct txq_info *txqi; @@ -1608,9 +1611,7 @@ static bool ieee80211_queue_skb(struct ieee80211_local *local, if (!txqi) return false; - spin_lock_bh(&fq->lock); ieee80211_txq_enqueue(local, txqi, skb); - spin_unlock_bh(&fq->lock); schedule_and_wake_txq(local, txqi); @@ -2431,6 +2432,7 @@ static int ieee80211_lookup_ra_sta(struct ieee80211_sub_if_data *sdata, * @sdata: virtual interface to build the header for * @skb: the skb to build the header in * @info_flags: skb flags to set + * @ctrl_flags: info control flags to set * * This function takes the skb with 802.3 header and reformats the header to * the appropriate IEEE 802.11 header based on which interface the packet is @@ -2446,7 +2448,7 @@ static int ieee80211_lookup_ra_sta(struct ieee80211_sub_if_data *sdata, */ static struct sk_buff *ieee80211_build_hdr(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, u32 info_flags, - struct sta_info *sta) + struct sta_info *sta, u32 ctrl_flags) { struct ieee80211_local *local = sdata->local; struct ieee80211_tx_info *info; @@ -2470,6 +2472,11 @@ static struct sk_buff *ieee80211_build_hdr(struct ieee80211_sub_if_data *sdata, if (IS_ERR(sta)) sta = NULL; +#ifdef CONFIG_MAC80211_DEBUGFS + if (local->force_tx_status) + info_flags |= IEEE80211_TX_CTL_REQ_TX_STATUS; +#endif + /* convert Ethernet header to proper 802.11 header (based on * operation mode) */ ethertype = (skb->data[12] << 8) | skb->data[13]; @@ -2600,6 +2607,13 @@ static struct sk_buff *ieee80211_build_hdr(struct ieee80211_sub_if_data *sdata, goto free; } band = chanctx_conf->def.chan->band; + + /* For injected frames, fill RA right away as nexthop lookup + * will be skipped. + */ + if ((ctrl_flags & IEEE80211_TX_CTRL_SKIP_MPATH_LOOKUP) && + is_zero_ether_addr(hdr.addr1)) + memcpy(hdr.addr1, skb->data, ETH_ALEN); break; #endif case NL80211_IFTYPE_STATION: @@ -2818,6 +2832,7 @@ static struct sk_buff *ieee80211_build_hdr(struct ieee80211_sub_if_data *sdata, info->flags = info_flags; info->ack_frame_id = info_id; info->band = band; + info->control.flags = ctrl_flags; return skb; free: @@ -3000,23 +3015,15 @@ void ieee80211_check_fast_xmit(struct sta_info *sta) switch (build.key->conf.cipher) { case WLAN_CIPHER_SUITE_CCMP: case WLAN_CIPHER_SUITE_CCMP_256: - /* add fixed key ID */ - if (gen_iv) { - (build.hdr + build.hdr_len)[3] = - 0x20 | (build.key->conf.keyidx << 6); + if (gen_iv) build.pn_offs = build.hdr_len; - } if (gen_iv || iv_spc) build.hdr_len += IEEE80211_CCMP_HDR_LEN; break; case WLAN_CIPHER_SUITE_GCMP: case WLAN_CIPHER_SUITE_GCMP_256: - /* add fixed key ID */ - if (gen_iv) { - (build.hdr + build.hdr_len)[3] = - 0x20 | (build.key->conf.keyidx << 6); + if (gen_iv) build.pn_offs = build.hdr_len; - } if (gen_iv || iv_spc) build.hdr_len += IEEE80211_GCMP_HDR_LEN; break; @@ -3222,6 +3229,7 @@ static bool ieee80211_amsdu_aggregate(struct ieee80211_sub_if_data *sdata, int max_frags = local->hw.max_tx_fragments; int max_amsdu_len = sta->sta.max_amsdu_len; int orig_truesize; + u32 flow_idx; __be16 len; void *data; bool ret = false; @@ -3250,6 +3258,8 @@ static bool ieee80211_amsdu_aggregate(struct ieee80211_sub_if_data *sdata, max_amsdu_len = min_t(int, max_amsdu_len, sta->sta.max_tid_amsdu_len[tid]); + flow_idx = fq_flow_idx(fq, skb); + spin_lock_bh(&fq->lock); /* TODO: Ideally aggregation should be done on dequeue to remain @@ -3257,7 +3267,8 @@ static bool ieee80211_amsdu_aggregate(struct ieee80211_sub_if_data *sdata, */ tin = &txqi->tin; - flow = fq_flow_classify(fq, tin, skb, fq_flow_get_default_func); + flow = fq_flow_classify(fq, tin, flow_idx, skb, + fq_flow_get_default_func); head = skb_peek_tail(&flow->queue); if (!head || skb_is_gso(head)) goto out; @@ -3386,6 +3397,7 @@ static void ieee80211_xmit_fast_finish(struct ieee80211_sub_if_data *sdata, pn = atomic64_inc_return(&key->conf.tx_pn); crypto_hdr[0] = pn; crypto_hdr[1] = pn >> 8; + crypto_hdr[3] = 0x20 | (key->conf.keyidx << 6); crypto_hdr[4] = pn >> 16; crypto_hdr[5] = pn >> 24; crypto_hdr[6] = pn >> 32; @@ -3478,6 +3490,11 @@ static bool ieee80211_xmit_fast(struct ieee80211_sub_if_data *sdata, (tid_tx ? IEEE80211_TX_CTL_AMPDU : 0); info->control.flags = IEEE80211_TX_CTRL_FAST_XMIT; +#ifdef CONFIG_MAC80211_DEBUGFS + if (local->force_tx_status) + info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS; +#endif + if (hdr->frame_control & cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) { tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK; *ieee80211_get_qos_ctl(hdr) = tid; @@ -3533,6 +3550,7 @@ struct sk_buff *ieee80211_tx_dequeue(struct ieee80211_hw *hw, ieee80211_tx_result r; struct ieee80211_vif *vif = txq->vif; +begin: spin_lock_bh(&fq->lock); if (test_bit(IEEE80211_TXQ_STOP, &txqi->flags) || @@ -3549,11 +3567,12 @@ struct sk_buff *ieee80211_tx_dequeue(struct ieee80211_hw *hw, if (skb) goto out; -begin: skb = fq_tin_dequeue(fq, tin, fq_tin_dequeue_func); if (!skb) goto out; + spin_unlock_bh(&fq->lock); + hdr = (struct ieee80211_hdr *)skb->data; info = IEEE80211_SKB_CB(skb); @@ -3598,8 +3617,11 @@ begin: skb = __skb_dequeue(&tx.skbs); - if (!skb_queue_empty(&tx.skbs)) + if (!skb_queue_empty(&tx.skbs)) { + spin_lock_bh(&fq->lock); skb_queue_splice_tail(&tx.skbs, &txqi->frags); + spin_unlock_bh(&fq->lock); + } } if (skb_has_frag_list(skb) && @@ -3638,6 +3660,7 @@ begin: } IEEE80211_SKB_CB(skb)->control.vif = vif; + return skb; out: spin_unlock_bh(&fq->lock); @@ -3783,9 +3806,11 @@ EXPORT_SYMBOL(ieee80211_txq_schedule_start); void __ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev, - u32 info_flags) + u32 info_flags, + u32 ctrl_flags) { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = sdata->local; struct sta_info *sta; struct sk_buff *next; @@ -3799,7 +3824,15 @@ void __ieee80211_subif_start_xmit(struct sk_buff *skb, if (ieee80211_lookup_ra_sta(sdata, skb, &sta)) goto out_free; - if (!IS_ERR_OR_NULL(sta)) { + if (IS_ERR(sta)) + sta = NULL; + + if (local->ops->wake_tx_queue) { + u16 queue = __ieee80211_select_queue(sdata, sta, skb); + skb_set_queue_mapping(skb, queue); + } + + if (sta) { struct ieee80211_fast_tx *fast_tx; sk_pacing_shift_update(skb->sk, sdata->local->hw.tx_sk_pacing_shift); @@ -3848,7 +3881,8 @@ void __ieee80211_subif_start_xmit(struct sk_buff *skb, skb->prev = NULL; skb->next = NULL; - skb = ieee80211_build_hdr(sdata, skb, info_flags, sta); + skb = ieee80211_build_hdr(sdata, skb, info_flags, + sta, ctrl_flags); if (IS_ERR(skb)) goto out; @@ -3988,9 +4022,9 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, __skb_queue_head_init(&queue); ieee80211_convert_to_unicast(skb, dev, &queue); while ((skb = __skb_dequeue(&queue))) - __ieee80211_subif_start_xmit(skb, dev, 0); + __ieee80211_subif_start_xmit(skb, dev, 0, 0); } else { - __ieee80211_subif_start_xmit(skb, dev, 0); + __ieee80211_subif_start_xmit(skb, dev, 0, 0); } return NETDEV_TX_OK; @@ -4015,7 +4049,7 @@ ieee80211_build_data_template(struct ieee80211_sub_if_data *sdata, goto out; } - skb = ieee80211_build_hdr(sdata, skb, info_flags, sta); + skb = ieee80211_build_hdr(sdata, skb, info_flags, sta, 0); if (IS_ERR(skb)) goto out; @@ -5052,7 +5086,36 @@ int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev, skb_reset_mac_header(skb); local_bh_disable(); - __ieee80211_subif_start_xmit(skb, skb->dev, flags); + __ieee80211_subif_start_xmit(skb, skb->dev, flags, 0); + local_bh_enable(); + + return 0; +} + +int ieee80211_probe_mesh_link(struct wiphy *wiphy, struct net_device *dev, + const u8 *buf, size_t len) +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = sdata->local; + struct sk_buff *skb; + + skb = dev_alloc_skb(local->hw.extra_tx_headroom + len + + 30 + /* header size */ + 18); /* 11s header size */ + if (!skb) + return -ENOMEM; + + skb_reserve(skb, local->hw.extra_tx_headroom); + skb_put_data(skb, buf, len); + + skb->dev = dev; + skb->protocol = htons(ETH_P_802_3); + skb_reset_network_header(skb); + skb_reset_mac_header(skb); + + local_bh_disable(); + __ieee80211_subif_start_xmit(skb, skb->dev, 0, + IEEE80211_TX_CTRL_SKIP_MPATH_LOOKUP); local_bh_enable(); return 0; diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 4c1655972565..cba4633cd6cf 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -894,10 +894,10 @@ EXPORT_SYMBOL(ieee80211_queue_delayed_work); static u32 _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, struct ieee802_11_elems *elems, - u64 filter, u32 crc, u8 *transmitter_bssid, - u8 *bss_bssid) + u64 filter, u32 crc, + const struct element *check_inherit) { - const struct element *elem, *sub; + const struct element *elem; bool calc_crc = filter != 0; DECLARE_BITMAP(seen_elems, 256); const u8 *ie; @@ -910,6 +910,11 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, u8 elen = elem->datalen; const u8 *pos = elem->data; + if (check_inherit && + !cfg80211_is_element_inherited(elem, + check_inherit)) + continue; + switch (id) { case WLAN_EID_SSID: case WLAN_EID_SUPP_RATES: @@ -1208,57 +1213,6 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, if (elen >= sizeof(*elems->max_idle_period_ie)) elems->max_idle_period_ie = (void *)pos; break; - case WLAN_EID_MULTIPLE_BSSID: - if (!bss_bssid || !transmitter_bssid || elen < 4) - break; - - elems->max_bssid_indicator = pos[0]; - - for_each_element(sub, pos + 1, elen - 1) { - u8 sub_len = sub->datalen; - u8 new_bssid[ETH_ALEN]; - const u8 *index; - - /* - * we only expect the "non-transmitted BSSID - * profile" subelement (subelement id 0) - */ - if (sub->id != 0 || sub->datalen < 4) { - /* not a valid BSS profile */ - continue; - } - - if (sub->data[0] != WLAN_EID_NON_TX_BSSID_CAP || - sub->data[1] != 2) { - /* The first element of the - * Nontransmitted BSSID Profile is not - * the Nontransmitted BSSID Capability - * element. - */ - continue; - } - - /* found a Nontransmitted BSSID Profile */ - index = cfg80211_find_ie(WLAN_EID_MULTI_BSSID_IDX, - sub->data, sub_len); - if (!index || index[1] < 1 || index[2] == 0) { - /* Invalid MBSSID Index element */ - continue; - } - - cfg80211_gen_new_bssid(transmitter_bssid, - pos[0], - index[2], - new_bssid); - if (ether_addr_equal(new_bssid, bss_bssid)) { - elems->nontransmitted_bssid_profile = - (void *)sub; - elems->bssid_index_len = index[1]; - elems->bssid_index = (void *)&index[2]; - break; - } - } - break; case WLAN_EID_EXTENSION: if (pos[0] == WLAN_EID_EXT_HE_MU_EDCA && elen >= (sizeof(*elems->mu_edca_param_set) + 1)) { @@ -1300,26 +1254,108 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, return crc; } +static size_t ieee802_11_find_bssid_profile(const u8 *start, size_t len, + struct ieee802_11_elems *elems, + u8 *transmitter_bssid, + u8 *bss_bssid, + u8 *nontransmitted_profile) +{ + const struct element *elem, *sub; + size_t profile_len = 0; + bool found = false; + + if (!bss_bssid || !transmitter_bssid) + return profile_len; + + for_each_element_id(elem, WLAN_EID_MULTIPLE_BSSID, start, len) { + if (elem->datalen < 2) + continue; + + for_each_element(sub, elem->data + 1, elem->datalen - 1) { + u8 new_bssid[ETH_ALEN]; + const u8 *index; + + if (sub->id != 0 || sub->datalen < 4) { + /* not a valid BSS profile */ + continue; + } + + if (sub->data[0] != WLAN_EID_NON_TX_BSSID_CAP || + sub->data[1] != 2) { + /* The first element of the + * Nontransmitted BSSID Profile is not + * the Nontransmitted BSSID Capability + * element. + */ + continue; + } + + memset(nontransmitted_profile, 0, len); + profile_len = cfg80211_merge_profile(start, len, + elem, + sub, + nontransmitted_profile, + len); + + /* found a Nontransmitted BSSID Profile */ + index = cfg80211_find_ie(WLAN_EID_MULTI_BSSID_IDX, + nontransmitted_profile, + profile_len); + if (!index || index[1] < 1 || index[2] == 0) { + /* Invalid MBSSID Index element */ + continue; + } + + cfg80211_gen_new_bssid(transmitter_bssid, + elem->data[0], + index[2], + new_bssid); + if (ether_addr_equal(new_bssid, bss_bssid)) { + found = true; + elems->bssid_index_len = index[1]; + elems->bssid_index = (void *)&index[2]; + break; + } + } + } + + return found ? profile_len : 0; +} + u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, struct ieee802_11_elems *elems, u64 filter, u32 crc, u8 *transmitter_bssid, u8 *bss_bssid) { + const struct element *non_inherit = NULL; + u8 *nontransmitted_profile; + int nontransmitted_profile_len = 0; + memset(elems, 0, sizeof(*elems)); elems->ie_start = start; elems->total_len = len; + nontransmitted_profile = kmalloc(len, GFP_ATOMIC); + if (nontransmitted_profile) { + nontransmitted_profile_len = + ieee802_11_find_bssid_profile(start, len, elems, + transmitter_bssid, + bss_bssid, + nontransmitted_profile); + non_inherit = + cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE, + nontransmitted_profile, + nontransmitted_profile_len); + } + crc = _ieee802_11_parse_elems_crc(start, len, action, elems, filter, - crc, transmitter_bssid, bss_bssid); + crc, non_inherit); /* Override with nontransmitted profile, if found */ - if (transmitter_bssid && elems->nontransmitted_bssid_profile) { - const u8 *profile = elems->nontransmitted_bssid_profile; - - _ieee802_11_parse_elems_crc(&profile[2], profile[1], - action, elems, 0, 0, - transmitter_bssid, bss_bssid); - } + if (nontransmitted_profile_len) + _ieee802_11_parse_elems_crc(nontransmitted_profile, + nontransmitted_profile_len, + action, elems, 0, 0, NULL); if (elems->tim && !elems->parse_error) { const struct ieee80211_tim_ie *tim_ie = elems->tim; @@ -1339,6 +1375,8 @@ u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, offsetofend(struct ieee80211_bssid_index, dtim_count)) elems->dtim_count = elems->bssid_index->dtim_count; + kfree(nontransmitted_profile); + return crc; } diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c index 5f7c96368b11..6a3187883c4b 100644 --- a/net/mac80211/wme.c +++ b/net/mac80211/wme.c @@ -141,6 +141,42 @@ u16 ieee80211_select_queue_80211(struct ieee80211_sub_if_data *sdata, return ieee80211_downgrade_queue(sdata, NULL, skb); } +u16 __ieee80211_select_queue(struct ieee80211_sub_if_data *sdata, + struct sta_info *sta, struct sk_buff *skb) +{ + struct mac80211_qos_map *qos_map; + bool qos; + + /* all mesh/ocb stations are required to support WME */ + if (sdata->vif.type == NL80211_IFTYPE_MESH_POINT || + sdata->vif.type == NL80211_IFTYPE_OCB) + qos = true; + else if (sta) + qos = sta->sta.wme; + else + qos = false; + + if (!qos) { + skb->priority = 0; /* required for correct WPA/11i MIC */ + return IEEE80211_AC_BE; + } + + if (skb->protocol == sdata->control_port_protocol) { + skb->priority = 7; + goto downgrade; + } + + /* use the data classifier to determine what 802.1d tag the + * data frame has */ + qos_map = rcu_dereference(sdata->qos_map); + skb->priority = cfg80211_classify8021d(skb, qos_map ? + &qos_map->qos_map : NULL); + + downgrade: + return ieee80211_downgrade_queue(sdata, sta, skb); +} + + /* Indicate which queue to use. */ u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb) @@ -148,10 +184,12 @@ u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata, struct ieee80211_local *local = sdata->local; struct sta_info *sta = NULL; const u8 *ra = NULL; - bool qos = false; - struct mac80211_qos_map *qos_map; u16 ret; + /* when using iTXQ, we can do this later */ + if (local->ops->wake_tx_queue) + return 0; + if (local->hw.queues < IEEE80211_NUM_ACS || skb->len < 6) { skb->priority = 0; /* required for correct WPA/11i MIC */ return 0; @@ -161,10 +199,8 @@ u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata, switch (sdata->vif.type) { case NL80211_IFTYPE_AP_VLAN: sta = rcu_dereference(sdata->u.vlan.sta); - if (sta) { - qos = sta->sta.wme; + if (sta) break; - } /* fall through */ case NL80211_IFTYPE_AP: ra = skb->data; @@ -172,56 +208,26 @@ u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata, case NL80211_IFTYPE_WDS: ra = sdata->u.wds.remote_addr; break; -#ifdef CONFIG_MAC80211_MESH - case NL80211_IFTYPE_MESH_POINT: - qos = true; - break; -#endif case NL80211_IFTYPE_STATION: /* might be a TDLS station */ sta = sta_info_get(sdata, skb->data); if (sta) - qos = sta->sta.wme; + break; ra = sdata->u.mgd.bssid; break; case NL80211_IFTYPE_ADHOC: ra = skb->data; break; - case NL80211_IFTYPE_OCB: - /* all stations are required to support WME */ - qos = true; - break; default: break; } - if (!sta && ra && !is_multicast_ether_addr(ra)) { + if (!sta && ra && !is_multicast_ether_addr(ra)) sta = sta_info_get(sdata, ra); - if (sta) - qos = sta->sta.wme; - } - if (!qos) { - skb->priority = 0; /* required for correct WPA/11i MIC */ - ret = IEEE80211_AC_BE; - goto out; - } + ret = __ieee80211_select_queue(sdata, sta, skb); - if (skb->protocol == sdata->control_port_protocol) { - skb->priority = 7; - goto downgrade; - } - - /* use the data classifier to determine what 802.1d tag the - * data frame has */ - qos_map = rcu_dereference(sdata->qos_map); - skb->priority = cfg80211_classify8021d(skb, qos_map ? - &qos_map->qos_map : NULL); - - downgrade: - ret = ieee80211_downgrade_queue(sdata, sta, skb); - out: rcu_read_unlock(); return ret; } diff --git a/net/mac80211/wme.h b/net/mac80211/wme.h index 80151edc5195..b1b1439cb91b 100644 --- a/net/mac80211/wme.h +++ b/net/mac80211/wme.h @@ -16,6 +16,8 @@ u16 ieee80211_select_queue_80211(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, struct ieee80211_hdr *hdr); +u16 __ieee80211_select_queue(struct ieee80211_sub_if_data *sdata, + struct sta_info *sta, struct sk_buff *skb); u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); void ieee80211_set_qos_hdr(struct ieee80211_sub_if_data *sdata, diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index e7ee18ab6cb7..e74d21f4108a 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -331,6 +331,11 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { .len = NL80211_MAX_SUPP_RATES }, [NL80211_ATTR_STA_PLINK_ACTION] = NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_ACTIONS - 1), + [NL80211_ATTR_STA_TX_POWER_SETTING] = + NLA_POLICY_RANGE(NLA_U8, + NL80211_TX_POWER_AUTOMATIC, + NL80211_TX_POWER_FIXED), + [NL80211_ATTR_STA_TX_POWER] = { .type = NLA_S16 }, [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 }, [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ }, [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY, @@ -553,6 +558,7 @@ static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, [NL80211_KEY_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES - 1), [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, + [NL80211_KEY_MODE] = NLA_POLICY_RANGE(NLA_U8, 0, NL80211_KEY_SET_TX), }; /* policy for the key default flags */ @@ -618,11 +624,20 @@ nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = { }; static const struct nla_policy +nl80211_match_band_rssi_policy[NUM_NL80211_BANDS] = { + [NL80211_BAND_2GHZ] = { .type = NLA_S32 }, + [NL80211_BAND_5GHZ] = { .type = NLA_S32 }, + [NL80211_BAND_60GHZ] = { .type = NLA_S32 }, +}; + +static const struct nla_policy nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = { [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY, .len = IEEE80211_MAX_SSID_LEN }, [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = { .len = ETH_ALEN }, [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 }, + [NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI] = + NLA_POLICY_NESTED(nl80211_match_band_rssi_policy), }; static const struct nla_policy @@ -958,6 +973,9 @@ static int nl80211_parse_key_new(struct genl_info *info, struct nlattr *key, k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; } + if (tb[NL80211_KEY_MODE]) + k->p.mode = nla_get_u8(tb[NL80211_KEY_MODE]); + return 0; } @@ -3634,8 +3652,11 @@ static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) if (key.idx < 0) return -EINVAL; - /* only support setting default key */ - if (!key.def && !key.defmgmt) + /* Only support setting default key and + * Extended Key ID action NL80211_KEY_SET_TX. + */ + if (!key.def && !key.defmgmt && + !(key.p.mode == NL80211_KEY_SET_TX)) return -EINVAL; wdev_lock(dev->ieee80211_ptr); @@ -3659,7 +3680,7 @@ static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) #ifdef CONFIG_CFG80211_WEXT dev->ieee80211_ptr->wext.default_key = key.idx; #endif - } else { + } else if (key.defmgmt) { if (key.def_uni || !key.def_multi) { err = -EINVAL; goto out; @@ -3681,8 +3702,25 @@ static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) #ifdef CONFIG_CFG80211_WEXT dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; #endif - } + } else if (key.p.mode == NL80211_KEY_SET_TX && + wiphy_ext_feature_isset(&rdev->wiphy, + NL80211_EXT_FEATURE_EXT_KEY_ID)) { + u8 *mac_addr = NULL; + + if (info->attrs[NL80211_ATTR_MAC]) + mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); + + if (!mac_addr || key.idx < 0 || key.idx > 1) { + err = -EINVAL; + goto out; + } + err = rdev_add_key(rdev, dev, key.idx, + NL80211_KEYTYPE_PAIRWISE, + mac_addr, &key.p); + } else { + err = -EINVAL; + } out: wdev_unlock(dev->ieee80211_ptr); @@ -3843,8 +3881,7 @@ static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy, if (n_entries > wiphy->max_acl_mac_addrs) return ERR_PTR(-ENOTSUPP); - acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries), - GFP_KERNEL); + acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL); if (!acl) return ERR_PTR(-ENOMEM); @@ -4889,6 +4926,7 @@ static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid, PUT_SINFO(TX_RETRIES, tx_retries, u32); PUT_SINFO(TX_FAILED, tx_failed, u32); PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32); + PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32); PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32); PUT_SINFO(LOCAL_PM, local_pm, u32); PUT_SINFO(PEER_PM, peer_pm, u32); @@ -5387,6 +5425,36 @@ static int nl80211_set_station_tdls(struct genl_info *info, return nl80211_parse_sta_wme(info, params); } +static int nl80211_parse_sta_txpower_setting(struct genl_info *info, + struct station_parameters *params) +{ + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + int idx; + + if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) { + if (!rdev->ops->set_tx_power || + !wiphy_ext_feature_isset(&rdev->wiphy, + NL80211_EXT_FEATURE_STA_TX_PWR)) + return -EOPNOTSUPP; + + idx = NL80211_ATTR_STA_TX_POWER_SETTING; + params->txpwr.type = nla_get_u8(info->attrs[idx]); + + if (params->txpwr.type == NL80211_TX_POWER_LIMITED) { + idx = NL80211_ATTR_STA_TX_POWER; + + if (info->attrs[idx]) + params->txpwr.power = + nla_get_s16(info->attrs[idx]); + else + return -EINVAL; + } + params->sta_modify_mask |= STATION_PARAM_APPLY_STA_TXPOWER; + } + + return 0; +} + static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *rdev = info->user_ptr[0]; @@ -5480,6 +5548,10 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) NL80211_EXT_FEATURE_AIRTIME_FAIRNESS)) return -EOPNOTSUPP; + err = nl80211_parse_sta_txpower_setting(info, ¶ms); + if (err) + return err; + /* Include parameters for TDLS peer (will check later) */ err = nl80211_set_station_tdls(info, ¶ms); if (err) @@ -5617,6 +5689,10 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) NL80211_EXT_FEATURE_AIRTIME_FAIRNESS)) return -EOPNOTSUPP; + err = nl80211_parse_sta_txpower_setting(info, ¶ms); + if (err) + return err; + err = nl80211_parse_sta_channel_info(info, ¶ms); if (err) return err; @@ -6882,7 +6958,7 @@ static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) struct nlattr *nl_reg_rule; char *alpha2; int rem_reg_rules, r; - u32 num_rules = 0, rule_idx = 0, size_of_regd; + u32 num_rules = 0, rule_idx = 0; enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET; struct ieee80211_regdomain *rd; @@ -6907,10 +6983,7 @@ static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) if (!reg_is_valid_request(alpha2)) return -EINVAL; - size_of_regd = sizeof(struct ieee80211_regdomain) + - num_rules * sizeof(struct ieee80211_reg_rule); - - rd = kzalloc(size_of_regd, GFP_KERNEL); + rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL); if (!rd) return -ENOMEM; @@ -7537,6 +7610,41 @@ nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans, return 0; } +static int +nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy, + struct cfg80211_match_set *match_sets, + struct nlattr *tb_band_rssi, + s32 rssi_thold) +{ + struct nlattr *attr; + int i, tmp, ret = 0; + + if (!wiphy_ext_feature_isset(wiphy, + NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) { + if (tb_band_rssi) + ret = -EOPNOTSUPP; + else + for (i = 0; i < NUM_NL80211_BANDS; i++) + match_sets->per_band_rssi_thold[i] = + NL80211_SCAN_RSSI_THOLD_OFF; + return ret; + } + + for (i = 0; i < NUM_NL80211_BANDS; i++) + match_sets->per_band_rssi_thold[i] = rssi_thold; + + nla_for_each_nested(attr, tb_band_rssi, tmp) { + enum nl80211_band band = nla_type(attr); + + if (band < 0 || band >= NUM_NL80211_BANDS) + return -EINVAL; + + match_sets->per_band_rssi_thold[band] = nla_get_s32(attr); + } + + return 0; +} + static struct cfg80211_sched_scan_request * nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev, struct nlattr **attrs, int max_match_sets) @@ -7776,43 +7884,55 @@ nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev, goto out_free; ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]; bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]; - if (ssid || bssid) { - if (WARN_ON(i >= n_match_sets)) { - /* this indicates a programming error, - * the loop above should have verified - * things properly - */ + + if (!ssid && !bssid) { + i++; + continue; + } + + if (WARN_ON(i >= n_match_sets)) { + /* this indicates a programming error, + * the loop above should have verified + * things properly + */ + err = -EINVAL; + goto out_free; + } + + if (ssid) { + if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { err = -EINVAL; goto out_free; } - - if (ssid) { - if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { - err = -EINVAL; - goto out_free; - } - memcpy(request->match_sets[i].ssid.ssid, - nla_data(ssid), nla_len(ssid)); - request->match_sets[i].ssid.ssid_len = - nla_len(ssid); - } - if (bssid) { - if (nla_len(bssid) != ETH_ALEN) { - err = -EINVAL; - goto out_free; - } - memcpy(request->match_sets[i].bssid, - nla_data(bssid), ETH_ALEN); + memcpy(request->match_sets[i].ssid.ssid, + nla_data(ssid), nla_len(ssid)); + request->match_sets[i].ssid.ssid_len = + nla_len(ssid); + } + if (bssid) { + if (nla_len(bssid) != ETH_ALEN) { + err = -EINVAL; + goto out_free; } + memcpy(request->match_sets[i].bssid, + nla_data(bssid), ETH_ALEN); + } - /* special attribute - old implementation w/a */ + /* special attribute - old implementation w/a */ + request->match_sets[i].rssi_thold = default_match_rssi; + rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; + if (rssi) request->match_sets[i].rssi_thold = - default_match_rssi; - rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; - if (rssi) - request->match_sets[i].rssi_thold = - nla_get_s32(rssi); - } + nla_get_s32(rssi); + + /* Parse per band RSSI attribute */ + err = nl80211_parse_sched_scan_per_band_rssi(wiphy, + &request->match_sets[i], + tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI], + request->match_sets[i].rssi_thold); + if (err) + goto out_free; + i++; } @@ -8061,7 +8181,7 @@ static int nl80211_notify_radar_detection(struct sk_buff *skb, cfg80211_sched_dfs_chan_update(rdev); - memcpy(&rdev->radar_chandef, &chandef, sizeof(chandef)); + rdev->radar_chandef = chandef; /* Propagate this notification to other radios as well */ queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk); @@ -13259,6 +13379,72 @@ nla_put_failure: return -ENOBUFS; } +static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct cfg80211_update_owe_info owe_info; + struct net_device *dev = info->user_ptr[1]; + + if (!rdev->ops->update_owe_info) + return -EOPNOTSUPP; + + if (!info->attrs[NL80211_ATTR_STATUS_CODE] || + !info->attrs[NL80211_ATTR_MAC]) + return -EINVAL; + + memset(&owe_info, 0, sizeof(owe_info)); + owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); + nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN); + + if (info->attrs[NL80211_ATTR_IE]) { + owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]); + owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); + } + + return rdev_update_owe_info(rdev, dev, &owe_info); +} + +static int nl80211_probe_mesh_link(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; + struct station_info sinfo = {}; + const u8 *buf; + size_t len; + u8 *dest; + int err; + + if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station) + return -EOPNOTSUPP; + + if (!info->attrs[NL80211_ATTR_MAC] || + !info->attrs[NL80211_ATTR_FRAME]) { + GENL_SET_ERR_MSG(info, "Frame or MAC missing"); + return -EINVAL; + } + + if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) + return -EOPNOTSUPP; + + dest = nla_data(info->attrs[NL80211_ATTR_MAC]); + buf = nla_data(info->attrs[NL80211_ATTR_FRAME]); + len = nla_len(info->attrs[NL80211_ATTR_FRAME]); + + if (len < sizeof(struct ethhdr)) + return -EINVAL; + + if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) || + !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr)) + return -EINVAL; + + err = rdev_get_station(rdev, dev, dest, &sinfo); + if (err) + return err; + + return rdev_probe_mesh_link(rdev, dev, dest, buf, len); +} + #define NL80211_FLAG_NEED_WIPHY 0x01 #define NL80211_FLAG_NEED_NETDEV 0x02 #define NL80211_FLAG_NEED_RTNL 0x04 @@ -14095,6 +14281,20 @@ static const struct genl_ops nl80211_ops[] = { .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | NL80211_FLAG_NEED_RTNL, }, + { + .cmd = NL80211_CMD_UPDATE_OWE_INFO, + .doit = nl80211_update_owe_info, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + NL80211_FLAG_NEED_RTNL, + }, + { + .cmd = NL80211_CMD_PROBE_MESH_LINK, + .doit = nl80211_probe_mesh_link, + .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 = { @@ -15624,6 +15824,11 @@ void cfg80211_ch_switch_notify(struct net_device *dev, wdev->chandef = *chandef; wdev->preset_chandef = *chandef; + + if (wdev->iftype == NL80211_IFTYPE_STATION && + !WARN_ON(!wdev->current_bss)) + wdev->current_bss->pub.channel = chandef->chan; + nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, NL80211_CMD_CH_SWITCH_NOTIFY, 0); } @@ -16267,6 +16472,46 @@ int cfg80211_external_auth_request(struct net_device *dev, } EXPORT_SYMBOL(cfg80211_external_auth_request); +void cfg80211_update_owe_info_event(struct net_device *netdev, + struct cfg80211_update_owe_info *owe_info, + gfp_t gfp) +{ + struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy; + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); + struct sk_buff *msg; + void *hdr; + + trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info); + + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); + if (!msg) + return; + + hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO); + if (!hdr) + goto nla_put_failure; + + if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || + nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || + nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer)) + goto nla_put_failure; + + if (!owe_info->ie_len || + nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie)) + goto nla_put_failure; + + genlmsg_end(msg, hdr); + + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_MLME, gfp); + return; + +nla_put_failure: + genlmsg_cancel(msg, hdr); + nlmsg_free(msg); +} +EXPORT_SYMBOL(cfg80211_update_owe_info_event); + /* initialisation/exit functions */ int __init nl80211_init(void) diff --git a/net/wireless/rdev-ops.h b/net/wireless/rdev-ops.h index 5cb48d135fab..e853a4fe6f97 100644 --- a/net/wireless/rdev-ops.h +++ b/net/wireless/rdev-ops.h @@ -77,7 +77,8 @@ static inline int rdev_add_key(struct cfg80211_registered_device *rdev, struct key_params *params) { int ret; - trace_rdev_add_key(&rdev->wiphy, netdev, key_index, pairwise, mac_addr); + trace_rdev_add_key(&rdev->wiphy, netdev, key_index, pairwise, + mac_addr, params->mode); ret = rdev->ops->add_key(&rdev->wiphy, netdev, key_index, pairwise, mac_addr, params); trace_rdev_return_int(&rdev->wiphy, ret); @@ -1272,4 +1273,30 @@ rdev_abort_pmsr(struct cfg80211_registered_device *rdev, trace_rdev_return_void(&rdev->wiphy); } +static inline int rdev_update_owe_info(struct cfg80211_registered_device *rdev, + struct net_device *dev, + struct cfg80211_update_owe_info *oweinfo) +{ + int ret = -EOPNOTSUPP; + + trace_rdev_update_owe_info(&rdev->wiphy, dev, oweinfo); + if (rdev->ops->update_owe_info) + ret = rdev->ops->update_owe_info(&rdev->wiphy, dev, oweinfo); + trace_rdev_return_int(&rdev->wiphy, ret); + return ret; +} + +static inline int +rdev_probe_mesh_link(struct cfg80211_registered_device *rdev, + struct net_device *dev, const u8 *dest, + const void *buf, size_t len) +{ + int ret; + + trace_rdev_probe_mesh_link(&rdev->wiphy, dev, dest, buf, len); + ret = rdev->ops->probe_mesh_link(&rdev->wiphy, dev, buf, len); + 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 0ba778f371cb..816425ffe05a 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -427,14 +427,10 @@ static const struct ieee80211_regdomain * reg_copy_regd(const struct ieee80211_regdomain *src_regd) { struct ieee80211_regdomain *regd; - int size_of_regd; unsigned int i; - size_of_regd = - sizeof(struct ieee80211_regdomain) + - src_regd->n_reg_rules * sizeof(struct ieee80211_reg_rule); - - regd = kzalloc(size_of_regd, GFP_KERNEL); + regd = kzalloc(struct_size(regd, reg_rules, src_regd->n_reg_rules), + GFP_KERNEL); if (!regd) return ERR_PTR(-ENOMEM); @@ -948,12 +944,10 @@ static int regdb_query_country(const struct fwdb_header *db, 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, i; - - size_of_regd = sizeof(struct ieee80211_regdomain) + - coll->n_rules * sizeof(struct ieee80211_reg_rule); + unsigned int i; - regdom = kzalloc(size_of_regd, GFP_KERNEL); + regdom = kzalloc(struct_size(regdom, reg_rules, coll->n_rules), + GFP_KERNEL); if (!regdom) return -ENOMEM; @@ -1489,7 +1483,7 @@ static struct ieee80211_regdomain * regdom_intersect(const struct ieee80211_regdomain *rd1, const struct ieee80211_regdomain *rd2) { - int r, size_of_regd; + int r; unsigned int x, y; unsigned int num_rules = 0; const struct ieee80211_reg_rule *rule1, *rule2; @@ -1520,10 +1514,7 @@ regdom_intersect(const struct ieee80211_regdomain *rd1, if (!num_rules) return NULL; - size_of_regd = sizeof(struct ieee80211_regdomain) + - num_rules * sizeof(struct ieee80211_reg_rule); - - rd = kzalloc(size_of_regd, GFP_KERNEL); + rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL); if (!rd) return NULL; diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 04d888628f29..c04f5451f89b 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -179,12 +179,63 @@ static bool __cfg80211_unlink_bss(struct cfg80211_registered_device *rdev, return true; } +bool cfg80211_is_element_inherited(const struct element *elem, + const struct element *non_inherit_elem) +{ + u8 id_len, ext_id_len, i, loop_len, id; + const u8 *list; + + if (elem->id == WLAN_EID_MULTIPLE_BSSID) + return false; + + if (!non_inherit_elem || non_inherit_elem->datalen < 2) + return true; + + /* + * non inheritance element format is: + * ext ID (56) | IDs list len | list | extension IDs list len | list + * Both lists are optional. Both lengths are mandatory. + * This means valid length is: + * elem_len = 1 (extension ID) + 2 (list len fields) + list lengths + */ + id_len = non_inherit_elem->data[1]; + if (non_inherit_elem->datalen < 3 + id_len) + return true; + + ext_id_len = non_inherit_elem->data[2 + id_len]; + if (non_inherit_elem->datalen < 3 + id_len + ext_id_len) + return true; + + if (elem->id == WLAN_EID_EXTENSION) { + if (!ext_id_len) + return true; + loop_len = ext_id_len; + list = &non_inherit_elem->data[3 + id_len]; + id = elem->data[0]; + } else { + if (!id_len) + return true; + loop_len = id_len; + list = &non_inherit_elem->data[2]; + id = elem->id; + } + + for (i = 0; i < loop_len; i++) { + if (list[i] == id) + return false; + } + + return true; +} +EXPORT_SYMBOL(cfg80211_is_element_inherited); + static size_t cfg80211_gen_new_ie(const u8 *ie, size_t ielen, const u8 *subelement, size_t subie_len, u8 *new_ie, gfp_t gfp) { u8 *pos, *tmp; const u8 *tmp_old, *tmp_new; + const struct element *non_inherit_elem; u8 *sub_copy; /* copy subelement as we need to change its content to @@ -203,6 +254,11 @@ static size_t cfg80211_gen_new_ie(const u8 *ie, size_t ielen, pos += (tmp_new[1] + 2); } + /* get non inheritance list if exists */ + non_inherit_elem = + cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE, + sub_copy, subie_len); + /* go through IEs in ie (skip SSID) and subelement, * merge them into new_ie */ @@ -223,8 +279,11 @@ static size_t cfg80211_gen_new_ie(const u8 *ie, size_t ielen, subie_len); if (!tmp) { + const struct element *old_elem = (void *)tmp_old; + /* ie in old ie but not in subelement */ - if (tmp_old[0] != WLAN_EID_MULTIPLE_BSSID) { + if (cfg80211_is_element_inherited(old_elem, + non_inherit_elem)) { memcpy(pos, tmp_old, tmp_old[1] + 2); pos += tmp_old[1] + 2; } @@ -268,8 +327,7 @@ static size_t cfg80211_gen_new_ie(const u8 *ie, size_t ielen, tmp_new = sub_copy; while (tmp_new + tmp_new[1] + 2 - sub_copy <= subie_len) { if (!(tmp_new[0] == WLAN_EID_NON_TX_BSSID_CAP || - tmp_new[0] == WLAN_EID_SSID || - tmp_new[0] == WLAN_EID_MULTI_BSSID_IDX)) { + tmp_new[0] == WLAN_EID_SSID)) { memcpy(pos, tmp_new, tmp_new[1] + 2); pos += tmp_new[1] + 2; } @@ -1397,6 +1455,78 @@ cfg80211_inform_single_bss_data(struct wiphy *wiphy, return &res->pub; } +static const struct element +*cfg80211_get_profile_continuation(const u8 *ie, size_t ielen, + const struct element *mbssid_elem, + const struct element *sub_elem) +{ + const u8 *mbssid_end = mbssid_elem->data + mbssid_elem->datalen; + const struct element *next_mbssid; + const struct element *next_sub; + + next_mbssid = cfg80211_find_elem(WLAN_EID_MULTIPLE_BSSID, + mbssid_end, + ielen - (mbssid_end - ie)); + + /* + * If is is not the last subelement in current MBSSID IE or there isn't + * a next MBSSID IE - profile is complete. + */ + if ((sub_elem->data + sub_elem->datalen < mbssid_end - 1) || + !next_mbssid) + return NULL; + + /* For any length error, just return NULL */ + + if (next_mbssid->datalen < 4) + return NULL; + + next_sub = (void *)&next_mbssid->data[1]; + + if (next_mbssid->data + next_mbssid->datalen < + next_sub->data + next_sub->datalen) + return NULL; + + if (next_sub->id != 0 || next_sub->datalen < 2) + return NULL; + + /* + * Check if the first element in the next sub element is a start + * of a new profile + */ + return next_sub->data[0] == WLAN_EID_NON_TX_BSSID_CAP ? + NULL : next_mbssid; +} + +size_t cfg80211_merge_profile(const u8 *ie, size_t ielen, + const struct element *mbssid_elem, + const struct element *sub_elem, + u8 *merged_ie, size_t max_copy_len) +{ + size_t copied_len = sub_elem->datalen; + const struct element *next_mbssid; + + if (sub_elem->datalen > max_copy_len) + return 0; + + memcpy(merged_ie, sub_elem->data, sub_elem->datalen); + + while ((next_mbssid = cfg80211_get_profile_continuation(ie, ielen, + mbssid_elem, + sub_elem))) { + const struct element *next_sub = (void *)&next_mbssid->data[1]; + + if (copied_len + next_sub->datalen > max_copy_len) + break; + memcpy(merged_ie + copied_len, next_sub->data, + next_sub->datalen); + copied_len += next_sub->datalen; + } + + return copied_len; +} +EXPORT_SYMBOL(cfg80211_merge_profile); + static void cfg80211_parse_mbssid_data(struct wiphy *wiphy, struct cfg80211_inform_bss *data, enum cfg80211_bss_frame_type ftype, @@ -1410,7 +1540,8 @@ static void cfg80211_parse_mbssid_data(struct wiphy *wiphy, const struct element *elem, *sub; size_t new_ie_len; u8 new_bssid[ETH_ALEN]; - u8 *new_ie; + u8 *new_ie, *profile; + u64 seen_indices = 0; u16 capability; struct cfg80211_bss *bss; @@ -1428,10 +1559,16 @@ static void cfg80211_parse_mbssid_data(struct wiphy *wiphy, if (!new_ie) return; + profile = kmalloc(ielen, gfp); + if (!profile) + goto out; + for_each_element_id(elem, WLAN_EID_MULTIPLE_BSSID, ie, ielen) { if (elem->datalen < 4) continue; for_each_element(sub, elem->data + 1, elem->datalen - 1) { + u8 profile_len; + if (sub->id != 0 || sub->datalen < 4) { /* not a valid BSS profile */ continue; @@ -1446,16 +1583,31 @@ static void cfg80211_parse_mbssid_data(struct wiphy *wiphy, continue; } + memset(profile, 0, ielen); + profile_len = cfg80211_merge_profile(ie, ielen, + elem, + sub, + profile, + ielen); + /* found a Nontransmitted BSSID Profile */ mbssid_index_ie = cfg80211_find_ie (WLAN_EID_MULTI_BSSID_IDX, - sub->data, sub->datalen); + profile, profile_len); if (!mbssid_index_ie || mbssid_index_ie[1] < 1 || - mbssid_index_ie[2] == 0) { + mbssid_index_ie[2] == 0 || + mbssid_index_ie[2] > 46) { /* No valid Multiple BSSID-Index element */ continue; } + if (seen_indices & BIT(mbssid_index_ie[2])) + /* We don't support legacy split of a profile */ + net_dbg_ratelimited("Partial info for BSSID index %d\n", + mbssid_index_ie[2]); + + seen_indices |= BIT(mbssid_index_ie[2]); + non_tx_data->bssid_index = mbssid_index_ie[2]; non_tx_data->max_bssid_indicator = elem->data[0]; @@ -1464,13 +1616,14 @@ static void cfg80211_parse_mbssid_data(struct wiphy *wiphy, non_tx_data->bssid_index, new_bssid); memset(new_ie, 0, IEEE80211_MAX_DATA_LEN); - new_ie_len = cfg80211_gen_new_ie(ie, ielen, sub->data, - sub->datalen, new_ie, + new_ie_len = cfg80211_gen_new_ie(ie, ielen, + profile, + profile_len, new_ie, gfp); if (!new_ie_len) continue; - capability = get_unaligned_le16(sub->data + 2); + capability = get_unaligned_le16(profile + 2); bss = cfg80211_inform_single_bss_data(wiphy, data, ftype, new_bssid, tsf, @@ -1486,7 +1639,9 @@ static void cfg80211_parse_mbssid_data(struct wiphy *wiphy, } } +out: kfree(new_ie); + kfree(profile); } struct cfg80211_bss * diff --git a/net/wireless/trace.h b/net/wireless/trace.h index 44b2ce1bb13a..2abfff925aac 100644 --- a/net/wireless/trace.h +++ b/net/wireless/trace.h @@ -430,22 +430,43 @@ DECLARE_EVENT_CLASS(key_handle, BOOL_TO_STR(__entry->pairwise), MAC_PR_ARG(mac_addr)) ); -DEFINE_EVENT(key_handle, rdev_add_key, +DEFINE_EVENT(key_handle, rdev_get_key, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u8 key_index, bool pairwise, const u8 *mac_addr), TP_ARGS(wiphy, netdev, key_index, pairwise, mac_addr) ); -DEFINE_EVENT(key_handle, rdev_get_key, +DEFINE_EVENT(key_handle, rdev_del_key, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u8 key_index, bool pairwise, const u8 *mac_addr), TP_ARGS(wiphy, netdev, key_index, pairwise, mac_addr) ); -DEFINE_EVENT(key_handle, rdev_del_key, +TRACE_EVENT(rdev_add_key, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u8 key_index, - bool pairwise, const u8 *mac_addr), - TP_ARGS(wiphy, netdev, key_index, pairwise, mac_addr) + bool pairwise, const u8 *mac_addr, u8 mode), + TP_ARGS(wiphy, netdev, key_index, pairwise, mac_addr, mode), + TP_STRUCT__entry( + WIPHY_ENTRY + NETDEV_ENTRY + MAC_ENTRY(mac_addr) + __field(u8, key_index) + __field(bool, pairwise) + __field(u8, mode) + ), + TP_fast_assign( + WIPHY_ASSIGN; + NETDEV_ASSIGN; + MAC_ASSIGN(mac_addr, mac_addr); + __entry->key_index = key_index; + __entry->pairwise = pairwise; + __entry->mode = mode; + ), + TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", key_index: %u, " + "mode: %u, pairwise: %s, mac addr: " MAC_PR_FMT, + WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->key_index, + __entry->mode, BOOL_TO_STR(__entry->pairwise), + MAC_PR_ARG(mac_addr)) ); TRACE_EVENT(rdev_set_default_key, @@ -3362,6 +3383,62 @@ TRACE_EVENT(cfg80211_pmsr_complete, WIPHY_PR_ARG, WDEV_PR_ARG, (unsigned long long)__entry->cookie) ); + +TRACE_EVENT(rdev_update_owe_info, + TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, + struct cfg80211_update_owe_info *owe_info), + TP_ARGS(wiphy, netdev, owe_info), + TP_STRUCT__entry(WIPHY_ENTRY + NETDEV_ENTRY + MAC_ENTRY(peer) + __field(u16, status) + __dynamic_array(u8, ie, owe_info->ie_len)), + TP_fast_assign(WIPHY_ASSIGN; + NETDEV_ASSIGN; + MAC_ASSIGN(peer, owe_info->peer); + __entry->status = owe_info->status; + memcpy(__get_dynamic_array(ie), + owe_info->ie, owe_info->ie_len);), + TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", peer: " MAC_PR_FMT + " status %d", WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(peer), + __entry->status) +); + +TRACE_EVENT(cfg80211_update_owe_info_event, + TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, + struct cfg80211_update_owe_info *owe_info), + TP_ARGS(wiphy, netdev, owe_info), + TP_STRUCT__entry(WIPHY_ENTRY + NETDEV_ENTRY + MAC_ENTRY(peer) + __dynamic_array(u8, ie, owe_info->ie_len)), + TP_fast_assign(WIPHY_ASSIGN; + NETDEV_ASSIGN; + MAC_ASSIGN(peer, owe_info->peer); + memcpy(__get_dynamic_array(ie), owe_info->ie, + owe_info->ie_len);), + TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", peer: " MAC_PR_FMT, + WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(peer)) +); + +TRACE_EVENT(rdev_probe_mesh_link, + TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, + const u8 *dest, const u8 *buf, size_t len), + TP_ARGS(wiphy, netdev, dest, buf, len), + TP_STRUCT__entry( + WIPHY_ENTRY + NETDEV_ENTRY + MAC_ENTRY(dest) + ), + TP_fast_assign( + WIPHY_ASSIGN; + NETDEV_ASSIGN; + MAC_ASSIGN(dest, dest); + ), + TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " MAC_PR_FMT, + WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(dest)) +); + #endif /* !__RDEV_OPS_TRACE || TRACE_HEADER_MULTI_READ */ #undef TRACE_INCLUDE_PATH diff --git a/net/wireless/util.c b/net/wireless/util.c index 75899b62bdc9..cf63b635afc0 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -237,14 +237,23 @@ int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev, case WLAN_CIPHER_SUITE_CCMP_256: case WLAN_CIPHER_SUITE_GCMP: case WLAN_CIPHER_SUITE_GCMP_256: - /* Disallow pairwise keys with non-zero index unless it's WEP - * or a vendor specific cipher (because current deployments use - * pairwise WEP keys with non-zero indices and for vendor - * specific ciphers this should be validated in the driver or - * hardware level - but 802.11i clearly specifies to use zero) + /* IEEE802.11-2016 allows only 0 and - when using Extended Key + * ID - 1 as index for pairwise keys. + * @NL80211_KEY_NO_TX is only allowed for pairwise keys when + * the driver supports Extended Key ID. + * @NL80211_KEY_SET_TX can't be set when installing and + * validating a key. */ - if (pairwise && key_idx) + if (params->mode == NL80211_KEY_NO_TX) { + if (!wiphy_ext_feature_isset(&rdev->wiphy, + NL80211_EXT_FEATURE_EXT_KEY_ID)) + return -EINVAL; + else if (!pairwise || key_idx < 0 || key_idx > 1) + return -EINVAL; + } else if ((pairwise && key_idx) || + params->mode == NL80211_KEY_SET_TX) { return -EINVAL; + } break; case WLAN_CIPHER_SUITE_AES_CMAC: case WLAN_CIPHER_SUITE_BIP_CMAC_256: diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c index d522787c7354..46e4d69db845 100644 --- a/net/wireless/wext-compat.c +++ b/net/wireless/wext-compat.c @@ -353,9 +353,6 @@ static int cfg80211_wext_siwretry(struct net_device *dev, changed |= WIPHY_PARAM_RETRY_SHORT; } - if (!changed) - return 0; - err = rdev_set_wiphy_params(rdev, changed); if (err) { wdev->wiphy->retry_short = oshort; |