diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 7fee35ff966b..2f820d4eb308 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -5103,7 +5103,8 @@ static int ath10k_mac_txpower_recalc(struct ath10k *ar) lockdep_assert_held(&ar->conf_mutex); list_for_each_entry(arvif, &ar->arvifs, list) { - if (arvif->txpower <= 0) + /* txpower not initialized yet? */ + if (arvif->txpower == INT_MIN) continue; if (txpower == -1) diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 0548aa3702e3..983b6d6c89f0 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -1196,6 +1196,9 @@ static void ath9k_tpc_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif) { int *power = data; + if (vif->bss_conf.txpower == INT_MIN) + return; + if (*power < vif->bss_conf.txpower) *power = vif->bss_conf.txpower; } diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 31e7b108279c..e60d4737fc6e 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -2095,10 +2095,13 @@ static void setup_frame_info(struct ieee80211_hw *hw, if (tx_info->control.vif) { struct ieee80211_vif *vif = tx_info->control.vif; - + if (vif->bss_conf.txpower == INT_MIN) + goto nonvifpower; txpower = 2 * vif->bss_conf.txpower; } else { - struct ath_softc *sc = hw->priv; + struct ath_softc *sc; + nonvifpower: + sc = hw->priv; txpower = sc->cur_chan->cur_txpower; } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 02df603b6400..7b6d14445f1b 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -2019,7 +2019,7 @@ static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, struct iwl_he_sta_context_cmd sta_ctxt_cmd = { .sta_id = sta_id, .tid_limit = IWL_MAX_TID_COUNT, - .bss_color = vif->bss_conf.bss_color, + .bss_color = vif->bss_conf.he_bss_color.color, .htc_trig_based_pkt_ext = vif->bss_conf.htc_trig_based_pkt_ext, .frame_time_rts_th = cpu_to_le16(vif->bss_conf.frame_time_rts_th), diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 03738107fd10..05464b5629d5 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -300,14 +300,12 @@ static struct net_device *hwsim_mon; /* global monitor netdev */ .band = NL80211_BAND_2GHZ, \ .center_freq = (_freq), \ .hw_value = (_freq), \ - .max_power = 20, \ } #define CHAN5G(_freq) { \ .band = NL80211_BAND_5GHZ, \ .center_freq = (_freq), \ .hw_value = (_freq), \ - .max_power = 20, \ } static const struct ieee80211_channel hwsim_channels_2ghz[] = { @@ -1595,6 +1593,11 @@ static void mac80211_hwsim_beacon_tx(void *arg, u8 *mac, mac80211_hwsim_tx_frame(hw, skb, rcu_dereference(vif->chanctx_conf)->def.chan); + while ((skb = ieee80211_get_buffered_bc(hw, vif)) != NULL) { + mac80211_hwsim_tx_frame(hw, skb, + rcu_dereference(vif->chanctx_conf)->def.chan); + } + if (vif->csa_active && ieee80211_csa_is_complete(vif)) ieee80211_csa_finish(vif); } @@ -2925,11 +2928,15 @@ static int mac80211_hwsim_new_radio(struct genl_info *info, ieee80211_hw_set(hw, MFP_CAPABLE); ieee80211_hw_set(hw, SIGNAL_DBM); ieee80211_hw_set(hw, SUPPORTS_PS); + ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); + ieee80211_hw_set(hw, HOST_BROADCAST_PS_BUFFERING); + ieee80211_hw_set(hw, PS_NULLFUNC_STACK); ieee80211_hw_set(hw, TDLS_WIDER_BW); if (rctbl) ieee80211_hw_set(hw, SUPPORTS_RC_TABLE); ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID); + hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS | WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | WIPHY_FLAG_AP_UAPSD | diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index 7d3f2ced92d1..33d907eec0b6 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -619,6 +619,15 @@ static inline bool ieee80211_is_qos_nullfunc(__le16 fc) cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC); } +/** + * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame + * @fc: frame control bytes in little-endian byteorder + */ +static inline bool ieee80211_is_any_nullfunc(__le16 fc) +{ + return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc)); +} + /** * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU * @fc: frame control field in little-endian byteorder @@ -2047,13 +2056,13 @@ ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info) #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_BSS_COLOR_OFFSET 24 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR 0x40000000 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED 0x80000000 /* * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size - * @he_oper_ie: byte data of the He Operations IE, stating from the the byte + * @he_oper_ie: byte data of the He Operations IE, stating from the byte * after the ext ID byte. It is assumed that he_oper_ie has at least * sizeof(struct ieee80211_he_operation) bytes, the caller must have * validated this. @@ -2091,7 +2100,7 @@ ieee80211_he_oper_size(const u8 *he_oper_ie) /* * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size - * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the the byte + * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte * after the ext ID byte. It is assumed that he_spr_ie has at least * sizeof(struct ieee80211_he_spr) bytes, the caller must have validated * this @@ -2523,6 +2532,7 @@ enum ieee80211_eid { WLAN_EID_FILS_INDICATION = 240, WLAN_EID_DILS = 241, WLAN_EID_FRAGMENT = 242, + WLAN_EID_RSNX = 244, WLAN_EID_EXTENSION = 255 }; @@ -2734,7 +2744,7 @@ enum ieee80211_tdls_actioncode { */ #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(6) -/* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */ +/* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */ #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4) #define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5) #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6) @@ -3034,6 +3044,7 @@ struct ieee80211_multiple_bssid_configuration { #define WLAN_AKM_SUITE_FILS_SHA384 SUITE(0x000FAC, 15) #define WLAN_AKM_SUITE_FT_FILS_SHA256 SUITE(0x000FAC, 16) #define WLAN_AKM_SUITE_FT_FILS_SHA384 SUITE(0x000FAC, 17) +#define WLAN_AKM_SUITE_OWE SUITE(0x000FAC, 18) #define WLAN_MAX_KEY_LEN 32 @@ -3412,4 +3423,11 @@ static inline bool for_each_element_completed(const struct element *element, return (const u8 *)element == (const u8 *)data + datalen; } +/** + * RSNX Capabilities: + * bits 0-3: Field length (n-1) + */ +#define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4) +#define WLAN_RSNX_CAPA_SAE_H2E BIT(5) + #endif /* LINUX_IEEE80211_H */ diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index f22bd6c838a3..7709b92f5b6b 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -95,6 +95,7 @@ struct wiphy; * on this channel. * @IEEE80211_CHAN_NO_10MHZ: 10 MHz bandwidth is not permitted * on this channel. + * @IEEE80211_CHAN_NO_HE: HE operation is not permitted on this channel. * */ enum ieee80211_channel_flags { @@ -111,6 +112,7 @@ enum ieee80211_channel_flags { IEEE80211_CHAN_IR_CONCURRENT = 1<<10, IEEE80211_CHAN_NO_20MHZ = 1<<11, IEEE80211_CHAN_NO_10MHZ = 1<<12, + IEEE80211_CHAN_NO_HE = 1<<13, }; #define IEEE80211_CHAN_NO_HT40 \ @@ -259,6 +261,32 @@ struct ieee80211_he_obss_pd { u8 max_offset; }; +/** + * struct cfg80211_he_bss_color - AP settings for BSS coloring + * + * @color: the current color. + * @disabled: is the feature disabled. + * @partial: define the AID equation. + */ +struct cfg80211_he_bss_color { + u8 color; + bool disabled; + bool partial; +}; + +/** + * struct ieee80211_he_bss_color - AP settings for BSS coloring + * + * @color: the current color. + * @disabled: is the feature disabled. + * @partial: define the AID equation. + */ +struct ieee80211_he_bss_color { + u8 color; + bool disabled; + bool partial; +}; + /** * struct ieee80211_sta_ht_cap - STA's HT capabilities * @@ -990,6 +1018,7 @@ enum cfg80211_ap_settings_flags { * @twt_responder: Enable Target Wait Time * @flags: flags, as defined in enum cfg80211_ap_settings_flags * @he_obss_pd: OBSS Packet Detection settings + * @he_bss_color: BSS Color settings */ struct cfg80211_ap_settings { struct cfg80211_chan_def chandef; @@ -1018,6 +1047,7 @@ struct cfg80211_ap_settings { bool twt_responder; u32 flags; struct ieee80211_he_obss_pd he_obss_pd; + struct cfg80211_he_bss_color he_bss_color; }; /** @@ -3944,7 +3974,8 @@ struct cfg80211_ops { int (*tx_control_port)(struct wiphy *wiphy, struct net_device *dev, const u8 *buf, size_t len, - const u8 *dest, const __be16 proto, + const u8 *dest, const u8 *src, + const __be16 proto, const bool noencrypt); int (*get_ftm_responder_stats)(struct wiphy *wiphy, @@ -4375,6 +4406,21 @@ struct cfg80211_pmsr_capabilities { } ftm; }; +/** + * struct wiphy_iftype_akm_suites - This structure encapsulates supported akm + * suites for interface types defined in @iftypes_mask. Each type in the + * @iftypes_mask must be unique across all instances of iftype_akm_suites. + * + * @iftypes_mask: bitmask of interfaces types + * @akm_suites: points to an array of supported akm suites + * @n_akm_suites: number of supported AKM suites + */ +struct wiphy_iftype_akm_suites { + u16 iftypes_mask; + const u32 *akm_suites; + int n_akm_suites; +}; + /** * struct wiphy - wireless hardware description * @reg_notifier: the driver's regulatory notification callback, @@ -4387,8 +4433,16 @@ struct cfg80211_pmsr_capabilities { * @signal_type: signal type reported in &struct cfg80211_bss. * @cipher_suites: supported cipher suites * @n_cipher_suites: number of supported cipher suites - * @akm_suites: supported AKM suites + * @akm_suites: supported AKM suites. These are the default AKMs supported if + * the supported AKMs not advertized for a specific interface type in + * iftype_akm_suites. * @n_akm_suites: number of supported AKM suites + * @iftype_akm_suites: array of supported akm suites info per interface type. + * Note that the bits in @iftypes_mask inside this structure cannot + * overlap (i.e. only one occurrence of each type is allowed across all + * instances of iftype_akm_suites). + * @num_iftype_akm_suites: number of interface types for which supported akm + * suites are specified separately. * @retry_short: Retry limit for short frames (dot11ShortRetryLimit) * @retry_long: Retry limit for long frames (dot11LongRetryLimit) * @frag_threshold: Fragmentation threshold (dot11FragmentationThreshold); @@ -4595,6 +4649,9 @@ struct wiphy { int n_akm_suites; const u32 *akm_suites; + const struct wiphy_iftype_akm_suites *iftype_akm_suites; + unsigned int num_iftype_akm_suites; + u8 retry_short; u8 retry_long; u32 frag_threshold; @@ -4687,6 +4744,8 @@ struct wiphy { u32 txq_memory_limit; u32 txq_quantum; + unsigned long tx_queue_len; + u8 support_mbssid:1, support_only_he_mbssid:1; diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 77e6b5a83b06..ce80773dfeb2 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -316,6 +316,7 @@ struct ieee80211_vif_chanctx_switch { * functionality changed for this BSS (AP mode). * @BSS_CHANGED_TWT: TWT status changed * @BSS_CHANGED_HE_OBSS_PD: OBSS Packet Detection status changed. + * @BSS_CHANGED_HE_BSS_COLOR: BSS Color has changed * */ enum ieee80211_bss_change { @@ -348,6 +349,7 @@ enum ieee80211_bss_change { BSS_CHANGED_FTM_RESPONDER = 1<<26, BSS_CHANGED_TWT = 1<<27, BSS_CHANGED_HE_OBSS_PD = 1<<28, + BSS_CHANGED_HE_BSS_COLOR = 1<<29, /* when adding here, make sure to change ieee80211_reconfig */ }; @@ -494,7 +496,6 @@ struct ieee80211_ftm_responder_params { * This structure keeps information about a BSS (and an association * to that BSS) that can change during the lifetime of the BSS. * - * @bss_color: 6-bit value to mark inter-BSS frame, if BSS supports HE * @htc_trig_based_pkt_ext: default PE in 4us units, if BSS supports HE * @multi_sta_back_32bit: supports BA bitmap of 32-bits in Multi-STA BACK * @uora_exists: is the UORA element advertised by AP @@ -573,7 +574,7 @@ struct ieee80211_ftm_responder_params { * @ssid: The SSID of the current vif. Valid in AP and IBSS mode. * @ssid_len: Length of SSID given in @ssid. * @hidden_ssid: The SSID of the current vif is hidden. Only valid in AP-mode. - * @txpower: TX power in dBm + * @txpower: TX power in dBm. INT_MIN means not configured. * @txpower_type: TX power adjustment used to control per packet Transmit * Power Control (TPC) in lower driver for the current vif. In particular * TPC is enabled if value passed in %txpower_type is @@ -604,10 +605,10 @@ struct ieee80211_ftm_responder_params { * in order to discover all the nontransmitted BSSIDs in the set. * @he_operation: HE operation information of the AP we are connected to * @he_obss_pd: OBSS Packet Detection parameters. + * @he_bss_color: BSS coloring settings, if BSS supports HE */ struct ieee80211_bss_conf { const u8 *bssid; - u8 bss_color; u8 htc_trig_based_pkt_ext; bool multi_sta_back_32bit; bool uora_exists; @@ -667,6 +668,7 @@ struct ieee80211_bss_conf { u8 profile_periodicity; struct ieee80211_he_operation he_operation; struct ieee80211_he_obss_pd he_obss_pd; + struct cfg80211_he_bss_color he_bss_color; }; /** @@ -826,6 +828,7 @@ enum mac80211_tx_control_flags { IEEE80211_TX_CTRL_AMSDU = BIT(3), IEEE80211_TX_CTRL_FAST_XMIT = BIT(4), IEEE80211_TX_CTRL_SKIP_MPATH_LOOKUP = BIT(5), + IEEE80211_TX_CTRL_HW_80211_ENCAP = BIT(6), }; /* @@ -4659,6 +4662,26 @@ static inline void ieee80211_tx_status_ni(struct ieee80211_hw *hw, void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw, struct sk_buff *skb); +/** + * ieee80211_tx_status_8023 - transmit status callback for 802.3 frame format + * + * Call this function for all transmitted data frames after their transmit + * completion. This callback should only be called for data frames which + * are are using driver's (or hardware's) offload capability of encap/decap + * 802.11 frames. + * + * This function may not be called in IRQ context. Calls to this function + * for a single hardware must be synchronized against each other and all + * calls in the same tx status family. + * + * @hw: the hardware the frame was transmitted by + * @vif: the interface for which the frame was transmitted + * @skb: the frame that was transmitted, owned by mac80211 after this call + */ +void ieee80211_tx_status_8023(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct sk_buff *skb); + /** * ieee80211_report_low_ack - report non-responding station * @@ -6479,5 +6502,16 @@ u32 ieee80211_calc_rx_airtime(struct ieee80211_hw *hw, u32 ieee80211_calc_tx_airtime(struct ieee80211_hw *hw, struct ieee80211_tx_info *info, int len); +/** + * ieee80211_set_hw_80211_encap - enable hardware encapsulation offloading. + * + * This function is used to notify mac80211 that a vif can be passed raw 802.3 + * frames. The driver needs to then handle the 802.11 encapsulation inside the + * hardware or firmware. + * + * @vif: &struct ieee80211_vif pointer from the add_interface callback. + * @enable: indicate if the feature should be turned on or off + */ +bool ieee80211_set_hw_80211_encap(struct ieee80211_vif *vif, bool enable); #endif /* MAC80211_H */ diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h index 5eab191607f8..158bccb4a47b 100644 --- a/include/uapi/linux/nl80211.h +++ b/include/uapi/linux/nl80211.h @@ -1039,11 +1039,14 @@ * a control port frame and as a notification that a control port frame * has been received. %NL80211_ATTR_FRAME is used to specify the * frame contents. The frame is the raw EAPoL data, without ethernet or - * 802.11 headers. + * 802.11 headers. An optional %NL80211_ATTR_SRC_MAC can be used to send + * pre-auth frames to STAs on behalf of other APs. * When used as an event indication %NL80211_ATTR_CONTROL_PORT_ETHERTYPE, * %NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT and %NL80211_ATTR_MAC are added * indicating the protocol type of the received frame; whether the frame * was received unencrypted and the MAC address of the peer respectively. + * %NL80211_ATTR_DST_MAC can be used to forward pre-auth frames in + * userspace while using AP mode. * * @NL80211_CMD_RELOAD_REGDB: Request that the regdb firmware file is reloaded. * @@ -2400,6 +2403,18 @@ enum nl80211_commands { * @NL80211_ATTR_VLAN_ID: VLAN ID (1..4094) for the station and VLAN group key * (u16). * + * @NL80211_ATTR_HE_BSS_COLOR: nested attribute for BSS Color Settings. + * + * @NL80211_ATTR_IFTYPE_AKM_SUITES: nested array attribute, with each entry + * using attributes from &enum nl80211_iftype_akm_attributes. This + * attribute is sent in a response to %NL80211_CMD_GET_WIPHY indicating + * supported AKM suites capability per interface. AKMs advertised in + * %NL80211_ATTR_AKM_SUITES are default capabilities if AKM suites not + * advertised for a specific interface type. + * + * @NL80211_ATTR_SRC_MAC: MAC address used in control port over nl80211 transmit + * @NL80211_ATTR_DST_MAC: MAC address used in control port over nl80211 receive + * * @NUM_NL80211_ATTR: total number of nl80211_attrs available * @NL80211_ATTR_MAX: highest attribute number currently defined * @__NL80211_ATTR_AFTER_LAST: internal use @@ -2864,6 +2879,13 @@ enum nl80211_attrs { NL80211_ATTR_VLAN_ID, + NL80211_ATTR_HE_BSS_COLOR, + + NL80211_ATTR_IFTYPE_AKM_SUITES, + + NL80211_ATTR_SRC_MAC, + NL80211_ATTR_DST_MAC, + /* add attributes here, update the policy in nl80211.c */ __NL80211_ATTR_AFTER_LAST, @@ -3583,6 +3605,8 @@ enum nl80211_wmm_rule { * @NL80211_FREQUENCY_ATTR_WMM: this channel has wmm limitations. * This is a nested attribute that contains the wmm limitation per AC. * (see &enum nl80211_wmm_rule) + * @NL80211_FREQUENCY_ATTR_NO_HE: HE operation is not allowed on this channel + * in current regulatory domain. * @NL80211_FREQUENCY_ATTR_MAX: highest frequency attribute number * currently defined * @__NL80211_FREQUENCY_ATTR_AFTER_LAST: internal use @@ -3612,6 +3636,7 @@ enum nl80211_frequency_attr { NL80211_FREQUENCY_ATTR_NO_20MHZ, NL80211_FREQUENCY_ATTR_NO_10MHZ, NL80211_FREQUENCY_ATTR_WMM, + NL80211_FREQUENCY_ATTR_NO_HE, /* keep last */ __NL80211_FREQUENCY_ATTR_AFTER_LAST, @@ -3809,6 +3834,7 @@ enum nl80211_sched_scan_match_attr { * @NL80211_RRF_NO_HT40PLUS: channels can't be used in HT40+ operation * @NL80211_RRF_NO_80MHZ: 80MHz operation not allowed * @NL80211_RRF_NO_160MHZ: 160MHz operation not allowed + * @NL80211_RRF_NO_HE: HE operation not allowed */ enum nl80211_reg_rule_flags { NL80211_RRF_NO_OFDM = 1<<0, @@ -3826,6 +3852,7 @@ enum nl80211_reg_rule_flags { NL80211_RRF_NO_HT40PLUS = 1<<14, NL80211_RRF_NO_80MHZ = 1<<15, NL80211_RRF_NO_160MHZ = 1<<16, + NL80211_RRF_NO_HE = 1<<17, }; #define NL80211_RRF_PASSIVE_SCAN NL80211_RRF_NO_IR @@ -5521,6 +5548,10 @@ enum nl80211_feature_flags { * feature, which prevents bufferbloat by using the expected transmission * time to limit the amount of data buffered in the hardware. * + * @NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211_MAC_ADDRS: The driver + * can use src and dst MAC addresses with control port over nl80211 rx + * and tx operations. + * * @NUM_NL80211_EXT_FEATURES: number of extended features. * @MAX_NL80211_EXT_FEATURES: highest extended feature index. */ @@ -5568,6 +5599,7 @@ enum nl80211_ext_feature_index { NL80211_EXT_FEATURE_SAE_OFFLOAD, NL80211_EXT_FEATURE_VLAN_OFFLOAD, NL80211_EXT_FEATURE_AQL, + NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211_MAC_ADDRS, /* add new features before the definition below */ NUM_NL80211_EXT_FEATURES, @@ -6587,5 +6619,51 @@ enum nl80211_obss_pd_attributes { NL80211_HE_OBSS_PD_ATTR_MAX = __NL80211_HE_OBSS_PD_ATTR_LAST - 1, }; +/** + * enum nl80211_bss_color_attributes - BSS Color attributes + * @__NL80211_HE_BSS_COLOR_ATTR_INVALID: Invalid + * + * @NL80211_HE_BSS_COLOR_ATTR_COLOR: the current BSS Color. + * @NL80211_HE_BSS_COLOR_ATTR_DISABLED: is BSS coloring disabled. + * @NL80211_HE_BSS_COLOR_ATTR_PARTIAL: the AID equation to be used.. + * + * @__NL80211_HE_BSS_COLOR_ATTR_LAST: Internal + * @NL80211_HE_BSS_COLOR_ATTR_MAX: highest BSS Color attribute. + */ +enum nl80211_bss_color_attributes { + __NL80211_HE_BSS_COLOR_ATTR_INVALID, + + NL80211_HE_BSS_COLOR_ATTR_COLOR, + NL80211_HE_BSS_COLOR_ATTR_DISABLED, + NL80211_HE_BSS_COLOR_ATTR_PARTIAL, + + /* keep last */ + __NL80211_HE_BSS_COLOR_ATTR_LAST, + NL80211_HE_BSS_COLOR_ATTR_MAX = __NL80211_HE_BSS_COLOR_ATTR_LAST - 1, +}; + +/** + * enum nl80211_iftype_akm_attributes - interface type AKM attributes + * @__NL80211_IFTYPE_AKM_ATTR_INVALID: Invalid + * + * @NL80211_IFTYPE_AKM_ATTR_IFTYPES: nested attribute containing a flag + * attribute for each interface type that supports AKM suites specified in + * %NL80211_IFTYPE_AKM_ATTR_SUITES + * @NL80211_IFTYPE_AKM_ATTR_SUITES: an array of u32. Used to indicate supported + * AKM suites for the specified interface types. + * + * @__NL80211_IFTYPE_AKM_ATTR_LAST: Internal + * @NL80211_IFTYPE_AKM_ATTR_MAX: highest interface type AKM attribute. + */ +enum nl80211_iftype_akm_attributes { + __NL80211_IFTYPE_AKM_ATTR_INVALID, + + NL80211_IFTYPE_AKM_ATTR_IFTYPES, + NL80211_IFTYPE_AKM_ATTR_SUITES, + + /* keep last */ + __NL80211_IFTYPE_AKM_ATTR_LAST, + NL80211_IFTYPE_AKM_ATTR_MAX = __NL80211_IFTYPE_AKM_ATTR_LAST - 1, +}; #endif /* __LINUX_NL80211_H */ diff --git a/include/uapi/linux/wireless.h b/include/uapi/linux/wireless.h index 86eca3208b6b..a2c006a364e0 100644 --- a/include/uapi/linux/wireless.h +++ b/include/uapi/linux/wireless.h @@ -74,6 +74,8 @@ #include /* for "struct sockaddr" et al */ #include /* for IFNAMSIZ and co... */ +#include /* for offsetof */ + /***************************** VERSION *****************************/ /* * This constant is used to know the availability of the wireless @@ -1090,8 +1092,7 @@ struct iw_event { /* iw_point events are special. First, the payload (extra data) come at * the end of the event, so they are bigger than IW_EV_POINT_LEN. Second, * we omit the pointer, so start at an offset. */ -#define IW_EV_POINT_OFF (((char *) &(((struct iw_point *) NULL)->length)) - \ - (char *) NULL) +#define IW_EV_POINT_OFF offsetof(struct iw_point, length) #define IW_EV_POINT_LEN (IW_EV_LCP_LEN + sizeof(struct iw_point) - \ IW_EV_POINT_OFF) diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 6aee699deb28..a66eff1ee26a 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -981,7 +981,8 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, BSS_CHANGED_P2P_PS | BSS_CHANGED_TXPOWER | BSS_CHANGED_TWT | - BSS_CHANGED_HE_OBSS_PD; + BSS_CHANGED_HE_OBSS_PD | + BSS_CHANGED_HE_BSS_COLOR; int err; int prev_beacon_int; @@ -989,20 +990,10 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, if (old) return -EALREADY; - switch (params->smps_mode) { - case NL80211_SMPS_OFF: - sdata->smps_mode = IEEE80211_SMPS_OFF; - break; - case NL80211_SMPS_STATIC: - sdata->smps_mode = IEEE80211_SMPS_STATIC; - break; - case NL80211_SMPS_DYNAMIC: - sdata->smps_mode = IEEE80211_SMPS_DYNAMIC; - break; - default: - return -EINVAL; - } - sdata->u.ap.req_smps = sdata->smps_mode; + if (params->smps_mode != NL80211_SMPS_OFF) + return -ENOTSUPP; + + sdata->smps_mode = IEEE80211_SMPS_OFF; sdata->needed_rx_chains = sdata->local->rx_chains; @@ -1054,6 +1045,8 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, sdata->vif.bss_conf.twt_responder = params->twt_responder; memcpy(&sdata->vif.bss_conf.he_obss_pd, ¶ms->he_obss_pd, sizeof(struct ieee80211_he_obss_pd)); + memcpy(&sdata->vif.bss_conf.he_bss_color, ¶ms->he_bss_color, + sizeof(struct ieee80211_he_bss_color)); sdata->vif.bss_conf.ssid_len = params->ssid_len; if (params->ssid_len) @@ -1166,7 +1159,6 @@ static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) kfree_rcu(old_beacon, rcu_head); if (old_probe_resp) kfree_rcu(old_probe_resp, rcu_head); - sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF; kfree(sdata->vif.bss_conf.ftmr_params); sdata->vif.bss_conf.ftmr_params = NULL; @@ -1691,20 +1683,6 @@ static int ieee80211_change_station(struct wiphy *wiphy, mutex_unlock(&local->sta_mtx); - if ((sdata->vif.type == NL80211_IFTYPE_AP || - sdata->vif.type == NL80211_IFTYPE_AP_VLAN) && - sta->known_smps_mode != sta->sdata->bss->req_smps && - test_sta_flag(sta, WLAN_STA_AUTHORIZED) && - sta_info_tx_streams(sta) != 1) { - ht_dbg(sta->sdata, - "%pM just authorized and MIMO capable - update SMPS\n", - sta->sta.addr); - ieee80211_send_smps_action(sta->sdata, - sta->sdata->bss->req_smps, - sta->sta.addr, - sta->sdata->vif.bss_conf.bssid); - } - if (sdata->vif.type == NL80211_IFTYPE_STATION && params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { ieee80211_recalc_ps(local); @@ -2636,74 +2614,6 @@ static int ieee80211_testmode_dump(struct wiphy *wiphy, } #endif -int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata, - enum ieee80211_smps_mode smps_mode) -{ - struct sta_info *sta; - enum ieee80211_smps_mode old_req; - - if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP)) - return -EINVAL; - - if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) - return 0; - - old_req = sdata->u.ap.req_smps; - sdata->u.ap.req_smps = smps_mode; - - /* AUTOMATIC doesn't mean much for AP - don't allow it */ - if (old_req == smps_mode || - smps_mode == IEEE80211_SMPS_AUTOMATIC) - return 0; - - ht_dbg(sdata, - "SMPS %d requested in AP mode, sending Action frame to %d stations\n", - smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta)); - - mutex_lock(&sdata->local->sta_mtx); - list_for_each_entry(sta, &sdata->local->sta_list, list) { - /* - * Only stations associated to our AP and - * associated VLANs - */ - if (sta->sdata->bss != &sdata->u.ap) - continue; - - /* This station doesn't support MIMO - skip it */ - if (sta_info_tx_streams(sta) == 1) - continue; - - /* - * Don't wake up a STA just to send the action frame - * unless we are getting more restrictive. - */ - if (test_sta_flag(sta, WLAN_STA_PS_STA) && - !ieee80211_smps_is_restrictive(sta->known_smps_mode, - smps_mode)) { - ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n", - sta->sta.addr); - continue; - } - - /* - * If the STA is not authorized, wait until it gets - * authorized and the action frame will be sent then. - */ - if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED)) - continue; - - ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr); - ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr, - sdata->vif.bss_conf.bssid); - } - mutex_unlock(&sdata->local->sta_mtx); - - sdata->smps_mode = smps_mode; - ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps); - - return 0; -} - int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, enum ieee80211_smps_mode smps_mode) { diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c index ad41d74530c6..54080290d6e2 100644 --- a/net/mac80211/debugfs.c +++ b/net/mac80211/debugfs.c @@ -150,6 +150,59 @@ static const struct file_operations aqm_ops = { .llseek = default_llseek, }; +static ssize_t airtime_flags_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_local *local = file->private_data; + char buf[128] = {}, *pos, *end; + + pos = buf; + end = pos + sizeof(buf) - 1; + + if (local->airtime_flags & AIRTIME_USE_TX) + pos += scnprintf(pos, end - pos, "AIRTIME_TX\t(%lx)\n", + AIRTIME_USE_TX); + if (local->airtime_flags & AIRTIME_USE_RX) + pos += scnprintf(pos, end - pos, "AIRTIME_RX\t(%lx)\n", + AIRTIME_USE_RX); + + return simple_read_from_buffer(user_buf, count, ppos, buf, + strlen(buf)); +} + +static ssize_t airtime_flags_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_local *local = file->private_data; + char buf[16]; + 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 (kstrtou16(buf, 0, &local->airtime_flags)) + return -EINVAL; + + return count; +} + +static const struct file_operations airtime_flags_ops = { + .write = airtime_flags_write, + .read = airtime_flags_read, + .open = simple_open, + .llseek = default_llseek, +}; + static ssize_t aql_txq_limit_read(struct file *file, char __user *user_buf, size_t count, @@ -522,8 +575,7 @@ void debugfs_hw_add(struct ieee80211_local *local) if (local->ops->wake_tx_queue) DEBUGFS_ADD_MODE(aqm, 0600); - debugfs_create_u16("airtime_flags", 0600, - phyd, &local->airtime_flags); + DEBUGFS_ADD_MODE(airtime_flags, 0600); DEBUGFS_ADD(aql_txq_limit); debugfs_create_u32("aql_threshold", 0600, diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c index 64b544ae9966..3dbe7c5cefd1 100644 --- a/net/mac80211/debugfs_netdev.c +++ b/net/mac80211/debugfs_netdev.c @@ -2,6 +2,7 @@ /* * Copyright (c) 2006 Jiri Benc * Copyright 2007 Johannes Berg + * Copyright (C) 2020 Intel Corporation */ #include @@ -254,15 +255,11 @@ static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata, smps_mode == IEEE80211_SMPS_AUTOMATIC)) return -EINVAL; - if (sdata->vif.type != NL80211_IFTYPE_STATION && - sdata->vif.type != NL80211_IFTYPE_AP) + if (sdata->vif.type != NL80211_IFTYPE_STATION) return -EOPNOTSUPP; sdata_lock(sdata); - if (sdata->vif.type == NL80211_IFTYPE_STATION) - err = __ieee80211_request_smps_mgd(sdata, smps_mode); - else - err = __ieee80211_request_smps_ap(sdata, smps_mode); + err = __ieee80211_request_smps_mgd(sdata, smps_mode); sdata_unlock(sdata); return err; @@ -282,10 +279,6 @@ static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata, return snprintf(buf, buflen, "request: %s\nused: %s\n", smps_modes[sdata->u.mgd.req_smps], smps_modes[sdata->smps_mode]); - if (sdata->vif.type == NL80211_IFTYPE_AP) - return snprintf(buf, buflen, "request: %s\nused: %s\n", - smps_modes[sdata->u.ap.req_smps], - smps_modes[sdata->smps_mode]); return -EINVAL; } diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c index c80b1e163ea4..266d63819415 100644 --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c @@ -1025,12 +1025,10 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta) DEBUGFS_ADD_COUNTER(rx_fragments, rx_stats.fragments); DEBUGFS_ADD_COUNTER(tx_filtered, status_stats.filtered); - if (local->ops->wake_tx_queue) + if (local->ops->wake_tx_queue) { DEBUGFS_ADD(aqm); - - if (wiphy_ext_feature_isset(local->hw.wiphy, - NL80211_EXT_FEATURE_AIRTIME_FAIRNESS)) DEBUGFS_ADD(airtime); + } if (wiphy_ext_feature_isset(local->hw.wiphy, NL80211_EXT_FEATURE_AQL)) diff --git a/net/mac80211/he.c b/net/mac80211/he.c index 736da0035135..1087f715338b 100644 --- a/net/mac80211/he.c +++ b/net/mac80211/he.c @@ -3,6 +3,7 @@ * HE handling * * Copyright(c) 2017 Intel Deutschland GmbH + * Copyright(c) 2019 - 2020 Intel Corporation */ #include "ieee80211_i.h" @@ -49,6 +50,9 @@ ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata, he_ppe_size); he_cap->has_he = true; + + sta->cur_max_bandwidth = ieee80211_sta_cap_rx_bw(sta); + sta->sta.bandwidth = ieee80211_sta_cur_vht_bw(sta); } void diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c index a2e4d6b8fd98..e32906202575 100644 --- a/net/mac80211/ht.c +++ b/net/mac80211/ht.c @@ -9,6 +9,7 @@ * Copyright 2007, Michael Wu * Copyright 2007-2010, Intel Corporation * Copyright 2017 Intel Deutschland GmbH + * Copyright(c) 2020 Intel Corporation */ #include @@ -144,7 +145,6 @@ bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, int i, max_tx_streams; bool changed; enum ieee80211_sta_rx_bandwidth bw; - enum ieee80211_smps_mode smps_mode; memset(&ht_cap, 0, sizeof(ht_cap)); @@ -270,24 +270,30 @@ bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 ? IEEE80211_STA_RX_BW_40 : IEEE80211_STA_RX_BW_20; - switch ((ht_cap.cap & IEEE80211_HT_CAP_SM_PS) - >> IEEE80211_HT_CAP_SM_PS_SHIFT) { - case WLAN_HT_CAP_SM_PS_INVALID: - case WLAN_HT_CAP_SM_PS_STATIC: - smps_mode = IEEE80211_SMPS_STATIC; - break; - case WLAN_HT_CAP_SM_PS_DYNAMIC: - smps_mode = IEEE80211_SMPS_DYNAMIC; - break; - case WLAN_HT_CAP_SM_PS_DISABLED: - smps_mode = IEEE80211_SMPS_OFF; - break; + if (sta->sdata->vif.type == NL80211_IFTYPE_AP || + sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN) { + enum ieee80211_smps_mode smps_mode; + + switch ((ht_cap.cap & IEEE80211_HT_CAP_SM_PS) + >> IEEE80211_HT_CAP_SM_PS_SHIFT) { + case WLAN_HT_CAP_SM_PS_INVALID: + case WLAN_HT_CAP_SM_PS_STATIC: + smps_mode = IEEE80211_SMPS_STATIC; + break; + case WLAN_HT_CAP_SM_PS_DYNAMIC: + smps_mode = IEEE80211_SMPS_DYNAMIC; + break; + case WLAN_HT_CAP_SM_PS_DISABLED: + smps_mode = IEEE80211_SMPS_OFF; + break; + } + + if (smps_mode != sta->sta.smps_mode) + changed = true; + sta->sta.smps_mode = smps_mode; + } else { + sta->sta.smps_mode = IEEE80211_SMPS_OFF; } - - if (smps_mode != sta->sta.smps_mode) - changed = true; - sta->sta.smps_mode = smps_mode; - return changed; } @@ -544,19 +550,6 @@ void ieee80211_request_smps_mgd_work(struct work_struct *work) sdata_unlock(sdata); } -void ieee80211_request_smps_ap_work(struct work_struct *work) -{ - struct ieee80211_sub_if_data *sdata = - container_of(work, struct ieee80211_sub_if_data, - u.ap.request_smps_work); - - sdata_lock(sdata); - if (sdata_dereference(sdata->u.ap.beacon, sdata)) - __ieee80211_request_smps_ap(sdata, - sdata->u.ap.driver_smps_mode); - sdata_unlock(sdata); -} - void ieee80211_request_smps(struct ieee80211_vif *vif, enum ieee80211_smps_mode smps_mode) { @@ -572,15 +565,6 @@ void ieee80211_request_smps(struct ieee80211_vif *vif, sdata->u.mgd.driver_smps_mode = smps_mode; ieee80211_queue_work(&sdata->local->hw, &sdata->u.mgd.request_smps_work); - } else { - /* AUTOMATIC is meaningless in AP mode */ - if (WARN_ON_ONCE(smps_mode == IEEE80211_SMPS_AUTOMATIC)) - return; - if (sdata->u.ap.driver_smps_mode == smps_mode) - return; - sdata->u.ap.driver_smps_mode = smps_mode; - ieee80211_queue_work(&sdata->local->hw, - &sdata->u.ap.request_smps_work); } } /* this might change ... don't want non-open drivers using it */ diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index ad15b3be8bb3..da9eaa9ee37e 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -5,7 +5,7 @@ * Copyright 2006-2007 Jiri Benc * Copyright 2007-2010 Johannes Berg * Copyright 2013-2015 Intel Mobile Communications GmbH - * Copyright (C) 2018-2019 Intel Corporation + * Copyright (C) 2018-2020 Intel Corporation */ #ifndef IEEE80211_I_H @@ -292,10 +292,7 @@ struct ieee80211_if_ap { struct ps_data ps; atomic_t num_mcast_sta; /* number of stations receiving multicast */ - enum ieee80211_smps_mode req_smps, /* requested smps mode */ - driver_smps_mode; /* smps mode request */ - struct work_struct request_smps_work; bool multicast_to_unicast; }; @@ -984,6 +981,8 @@ struct ieee80211_sub_if_data { } debugfs; #endif + bool hw_80211_encap; + /* must be last, dynamically sized area in this! */ struct ieee80211_vif vif; }; @@ -1473,6 +1472,7 @@ struct ieee802_11_elems { const struct ieee80211_tim_ie *tim; const u8 *challenge; const u8 *rsn; + const u8 *rsnx; const u8 *erp_info; const u8 *ext_supp_rates; const u8 *wmm_info; @@ -1520,6 +1520,7 @@ struct ieee802_11_elems { u8 tim_len; u8 challenge_len; u8 rsn_len; + u8 rsnx_len; u8 ext_supp_rates_len; u8 wmm_info_len; u8 wmm_param_len; @@ -1727,6 +1728,13 @@ int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_csa_settings *params); /* interface handling */ +#define MAC80211_SUPPORTED_FEATURES_TX (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | \ + NETIF_F_HW_CSUM | NETIF_F_SG | \ + NETIF_F_HIGHDMA | NETIF_F_GSO_SOFTWARE) +#define MAC80211_SUPPORTED_FEATURES_RX (NETIF_F_RXCSUM) +#define MAC80211_SUPPORTED_FEATURES (MAC80211_SUPPORTED_FEATURES_TX | \ + MAC80211_SUPPORTED_FEATURES_RX) + int ieee80211_iface_init(void); void ieee80211_iface_exit(void); int ieee80211_if_add(struct ieee80211_local *local, const char *name, @@ -1762,6 +1770,8 @@ netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev); netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev); +netdev_tx_t ieee80211_subif_start_xmit_8023(struct sk_buff *skb, + struct net_device *dev); void __ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev, u32 info_flags, @@ -1782,7 +1792,8 @@ void ieee80211_check_fast_xmit_iface(struct ieee80211_sub_if_data *sdata); 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); + const u8 *dest, const u8 *src, __be16 proto, + bool unencrypted); int ieee80211_probe_mesh_link(struct wiphy *wiphy, struct net_device *dev, const u8 *buf, size_t len); @@ -1948,6 +1959,11 @@ void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, int tid, enum nl80211_band band, u32 txdata_flags); +/* sta_out needs to be checked for ERR_PTR() before using */ +int ieee80211_lookup_ra_sta(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb, + struct sta_info **sta_out); + static inline void ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, int tid, @@ -2132,8 +2148,6 @@ u32 ieee80211_sta_get_rates(struct ieee80211_sub_if_data *sdata, enum nl80211_band band, u32 *basic_rates); int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, enum ieee80211_smps_mode smps_mode); -int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata, - enum ieee80211_smps_mode smps_mode); void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata); void ieee80211_recalc_min_chandef(struct ieee80211_sub_if_data *sdata); diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index af8b09214786..128b3468d13e 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -8,7 +8,7 @@ * Copyright 2008, Johannes Berg * Copyright 2013-2014 Intel Mobile Communications GmbH * Copyright (c) 2016 Intel Deutschland GmbH - * Copyright (C) 2018 Intel Corporation + * Copyright (C) 2018-2020 Intel Corporation */ #include #include @@ -824,9 +824,6 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, case NL80211_IFTYPE_ADHOC: ieee80211_ibss_stop(sdata); break; - case NL80211_IFTYPE_AP: - cancel_work_sync(&sdata->u.ap.request_smps_work); - break; case NL80211_IFTYPE_MONITOR: if (sdata->u.mntr.flags & MONITOR_FLAG_COOK_FRAMES) break; @@ -1205,6 +1202,72 @@ static const struct net_device_ops ieee80211_monitorif_ops = { .ndo_get_stats64 = ieee80211_get_stats64, }; +static const struct net_device_ops ieee80211_dataif_8023_ops = { + .ndo_open = ieee80211_open, + .ndo_stop = ieee80211_stop, + .ndo_uninit = ieee80211_uninit, + .ndo_start_xmit = ieee80211_subif_start_xmit_8023, + .ndo_set_rx_mode = ieee80211_set_multicast_list, + .ndo_set_mac_address = ieee80211_change_mac, + .ndo_select_queue = ieee80211_netdev_select_queue, + .ndo_get_stats64 = ieee80211_get_stats64, +}; + +static void __ieee80211_set_hw_80211_encap(struct ieee80211_sub_if_data *sdata, + bool enable) +{ + sdata->dev->netdev_ops = enable ? &ieee80211_dataif_8023_ops : + &ieee80211_dataif_ops; + sdata->hw_80211_encap = enable; +} + +bool ieee80211_set_hw_80211_encap(struct ieee80211_vif *vif, bool enable) +{ + struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); + struct ieee80211_local *local = sdata->local; + struct ieee80211_sub_if_data *iter; + struct ieee80211_key *key; + + mutex_lock(&local->iflist_mtx); + list_for_each_entry(iter, &local->interfaces, list) { + struct ieee80211_sub_if_data *disable = NULL; + + if (vif->type == NL80211_IFTYPE_MONITOR) { + disable = iter; + __ieee80211_set_hw_80211_encap(iter, false); + } else if (iter->vif.type == NL80211_IFTYPE_MONITOR) { + disable = sdata; + enable = false; + } + if (disable) + sdata_dbg(disable, + "disable hw 80211 encap due to mon co-exist\n"); + } + mutex_unlock(&local->iflist_mtx); + + if (enable == sdata->hw_80211_encap) + return enable; + + if (!sdata->dev) + return false; + + if (!ieee80211_hw_check(&local->hw, SUPPORTS_TX_FRAG) && + (local->hw.wiphy->frag_threshold != (u32)-1)) + enable = false; + + mutex_lock(&sdata->local->key_mtx); + list_for_each_entry(key, &sdata->key_list, list) { + if (key->conf.cipher == WLAN_CIPHER_SUITE_TKIP) + enable = false; + } + mutex_unlock(&sdata->local->key_mtx); + + __ieee80211_set_hw_80211_encap(sdata, enable); + + return enable; +} +EXPORT_SYMBOL(ieee80211_set_hw_80211_encap); + static void ieee80211_if_free(struct net_device *dev) { free_percpu(dev->tstats); @@ -1402,8 +1465,10 @@ static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata, sdata->control_port_no_encrypt = false; sdata->encrypt_headroom = IEEE80211_ENCRYPT_HEADROOM; sdata->vif.bss_conf.idle = true; + sdata->vif.bss_conf.txpower = INT_MIN; /* unset */ sdata->noack_map = 0; + sdata->hw_80211_encap = false; /* only monitor/p2p-device differ */ if (sdata->dev) { @@ -1427,10 +1492,7 @@ static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata, case NL80211_IFTYPE_AP: skb_queue_head_init(&sdata->u.ap.ps.bc_buf); INIT_LIST_HEAD(&sdata->u.ap.vlans); - INIT_WORK(&sdata->u.ap.request_smps_work, - ieee80211_request_smps_ap_work); sdata->vif.bss_conf.bssid = sdata->vif.addr; - sdata->u.ap.req_smps = IEEE80211_SMPS_OFF; break; case NL80211_IFTYPE_P2P_CLIENT: type = NL80211_IFTYPE_STATION; @@ -1772,6 +1834,10 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name, if_setup, txqs, 1); if (!ndev) return -ENOMEM; + + if (!local->ops->wake_tx_queue && local->hw.wiphy->tx_queue_len) + ndev->tx_queue_len = local->hw.wiphy->tx_queue_len; + dev_net_set(ndev, wiphy_net(local->hw.wiphy)); ndev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats); @@ -1871,6 +1937,8 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name, sdata->u.mgd.use_4addr = params->use_4addr; ndev->features |= local->hw.netdev_features; + ndev->hw_features |= ndev->features & + MAC80211_SUPPORTED_FEATURES_TX; netdev_set_default_ethtool_ops(ndev, &ieee80211_ethtool_ops); diff --git a/net/mac80211/key.c b/net/mac80211/key.c index 0f889b919b06..54934eff4ac1 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -177,6 +177,13 @@ static int ieee80211_key_enable_hw_accel(struct ieee80211_key *key) } } + /* TKIP countermeasures don't work in encap offload mode */ + if (key->conf.cipher == WLAN_CIPHER_SUITE_TKIP && + sdata->hw_80211_encap) { + sdata_dbg(sdata, "TKIP is not allowed in hw 80211 encap mode\n"); + return -EINVAL; + } + ret = drv_set_key(key->local, SET_KEY, sdata, sta ? &sta->sta : NULL, &key->conf); @@ -210,12 +217,20 @@ static int ieee80211_key_enable_hw_accel(struct ieee80211_key *key) case WLAN_CIPHER_SUITE_TKIP: case WLAN_CIPHER_SUITE_CCMP: case WLAN_CIPHER_SUITE_CCMP_256: + case WLAN_CIPHER_SUITE_GCMP: + case WLAN_CIPHER_SUITE_GCMP_256: + /* We cannot do software crypto of data frames with + * encapsulation offload enabled. However for 802.11w to + * function properly we need cmac/gmac keys. + */ + if (sdata->hw_80211_encap) + return -EINVAL; + /* Fall through */ + case WLAN_CIPHER_SUITE_AES_CMAC: case WLAN_CIPHER_SUITE_BIP_CMAC_256: case WLAN_CIPHER_SUITE_BIP_GMAC_128: case WLAN_CIPHER_SUITE_BIP_GMAC_256: - case WLAN_CIPHER_SUITE_GCMP: - case WLAN_CIPHER_SUITE_GCMP_256: /* all of these we can do in software - if driver can */ if (ret == 1) return 0; diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 4c2b5ba3ac09..cae3a34d3503 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -146,6 +146,8 @@ static u32 ieee80211_hw_conf_chan(struct ieee80211_local *local) continue; if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) continue; + if (sdata->vif.bss_conf.txpower == INT_MIN) + continue; power = min(power, sdata->vif.bss_conf.txpower); } rcu_read_unlock(); @@ -416,7 +418,20 @@ ieee80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = { }, [NL80211_IFTYPE_STATION] = { .tx = 0xffff, + /* + * To support Pre Association Security Negotiation (PASN) while + * already associated to one AP, allow user space to register to + * Rx authentication frames, so that the user space logic would + * be able to receive/handle authentication frames from a + * different AP as part of PASN. + * It is expected that user space would intelligently register + * for Rx authentication frames, i.e., only when PASN is used + * and configure a match filter only for PASN authentication + * algorithm, as otherwise the MLME functionality of mac80211 + * would be broken. + */ .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_AUTH >> 4) | BIT(IEEE80211_STYPE_PROBE_REQ >> 4), }, [NL80211_IFTYPE_AP] = { @@ -574,6 +589,8 @@ struct ieee80211_hw *ieee80211_alloc_hw_nm(size_t priv_data_len, wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_FILS_STA); wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211); + wiphy_ext_feature_set(wiphy, + NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211_MAC_ADDRS); if (!ops->hw_scan) { wiphy->features |= NL80211_FEATURE_LOW_PRIORITY_SCAN | @@ -872,7 +889,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) enum nl80211_band band; int channels, max_bitrates; bool supp_ht, supp_vht, supp_he; - netdev_features_t feature_whitelist; struct cfg80211_chan_def dflt_chandef = {}; if (ieee80211_hw_check(hw, QUEUE_CONTROL) && @@ -931,10 +947,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) } /* Only HW csum features are currently compatible with mac80211 */ - feature_whitelist = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | - NETIF_F_HW_CSUM | NETIF_F_SG | NETIF_F_HIGHDMA | - NETIF_F_GSO_SOFTWARE | NETIF_F_RXCSUM; - if (WARN_ON(hw->netdev_features & ~feature_whitelist)) + if (WARN_ON(hw->netdev_features & ~MAC80211_SUPPORTED_FEATURES)) return -EINVAL; if (hw->max_report_rates == 0) @@ -981,6 +994,11 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) if (!supp_he) supp_he = !!ieee80211_get_he_sta_cap(sband); + /* HT, VHT, HE require QoS, thus >= 4 queues */ + if (WARN_ON(local->hw.queues < IEEE80211_NUM_ACS && + (supp_ht || supp_vht || supp_he))) + return -EINVAL; + if (!sband->ht_cap.ht_supported) continue; @@ -1184,10 +1202,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) if (!local->hw.weight_multiplier) local->hw.weight_multiplier = 1; - result = ieee80211_wep_init(local); - if (result < 0) - wiphy_debug(local->hw.wiphy, "Failed to initialize wep: %d\n", - result); + ieee80211_wep_init(local); local->hw.conf.flags = IEEE80211_CONF_IDLE; diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index e041af2f021a..9ab0842a7c37 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -164,7 +164,9 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata, chandef->center_freq1 = channel->center_freq; if (!ht_oper || !sta_ht_cap.ht_supported) { - ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT; + ret = IEEE80211_STA_DISABLE_HT | + IEEE80211_STA_DISABLE_VHT | + IEEE80211_STA_DISABLE_HE; goto out; } @@ -185,7 +187,9 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata, "Wrong control channel: center-freq: %d ht-cfreq: %d ht->primary_chan: %d band: %d - Disabling HT\n", channel->center_freq, ht_cfreq, ht_oper->primary_chan, channel->band); - ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT; + ret = IEEE80211_STA_DISABLE_HT | + IEEE80211_STA_DISABLE_VHT | + IEEE80211_STA_DISABLE_HE; goto out; } @@ -301,13 +305,18 @@ out: IEEE80211_CHAN_DISABLED)) { if (WARN_ON(chandef->width == NL80211_CHAN_WIDTH_20_NOHT)) { ret = IEEE80211_STA_DISABLE_HT | - IEEE80211_STA_DISABLE_VHT; + IEEE80211_STA_DISABLE_VHT | + IEEE80211_STA_DISABLE_HE; break; } ret |= ieee80211_chandef_downgrade(chandef); } + if (!he_oper || !cfg80211_chandef_usable(sdata->wdev.wiphy, chandef, + IEEE80211_CHAN_NO_HE)) + ret |= IEEE80211_STA_DISABLE_HE; + if (chandef->width != vht_chandef.width && !tracking) sdata_info(sdata, "capabilities/regulatory prevented using AP HT/VHT configuration, downgraded\n"); @@ -393,6 +402,7 @@ static int ieee80211_config_bw(struct ieee80211_sub_if_data *sdata, if (flags != (ifmgd->flags & (IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT | + IEEE80211_STA_DISABLE_HE | IEEE80211_STA_DISABLE_40MHZ | IEEE80211_STA_DISABLE_80P80MHZ | IEEE80211_STA_DISABLE_160MHZ)) || @@ -616,10 +626,21 @@ static void ieee80211_add_he_ie(struct ieee80211_sub_if_data *sdata, { u8 *pos; const struct ieee80211_sta_he_cap *he_cap = NULL; + struct ieee80211_chanctx_conf *chanctx_conf; u8 he_cap_size; + bool reg_cap = false; + + rcu_read_lock(); + chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); + if (!WARN_ON_ONCE(!chanctx_conf)) + reg_cap = cfg80211_chandef_usable(sdata->wdev.wiphy, + &chanctx_conf->def, + IEEE80211_CHAN_NO_HE); + + rcu_read_unlock(); he_cap = ieee80211_get_he_sta_cap(sband); - if (!he_cap) + if (!he_cap || !reg_cap) return; /* @@ -650,6 +671,13 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata) struct ieee80211_chanctx_conf *chanctx_conf; struct ieee80211_channel *chan; u32 rates = 0; + struct element *ext_capa = NULL; + + /* we know it's writable, cast away the const */ + if (assoc_data->ie_len) + ext_capa = (void *)cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, + assoc_data->ie, + assoc_data->ie_len); sdata_assert_lock(sdata); @@ -800,7 +828,15 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata) *pos++ = ieee80211_chandef_max_power(&chanctx_conf->def); } - if (capab & WLAN_CAPABILITY_SPECTRUM_MGMT) { + /* + * Per spec, we shouldn't include the list of channels if we advertise + * support for extended channel switching, but we've always done that; + * (for now?) apply this restriction only on the (new) 6 GHz band. + */ + if (capab & WLAN_CAPABILITY_SPECTRUM_MGMT && + (sband->band != NL80211_BAND_6GHZ || + !ext_capa || ext_capa->datalen < 1 || + !(ext_capa->data[0] & WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING))) { /* TODO: get this in reg domain format */ pos = skb_put(skb, 2 * sband->n_channels + 2); *pos++ = WLAN_EID_SUPPORTED_CHANNELS; @@ -814,18 +850,9 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata) /* Set MBSSID support for HE AP if needed */ if (ieee80211_hw_check(&local->hw, SUPPORTS_ONLY_HE_MULTI_BSSID) && - !(ifmgd->flags & IEEE80211_STA_DISABLE_HE) && assoc_data->ie_len) { - struct element *elem; - - /* we know it's writable, cast away the const */ - elem = (void *)cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, - assoc_data->ie, - assoc_data->ie_len); - - /* We can probably assume both always true */ - if (elem && elem->datalen >= 3) - elem->data[2] |= WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT; - } + !(ifmgd->flags & IEEE80211_STA_DISABLE_HE) && assoc_data->ie_len && + ext_capa && ext_capa->datalen >= 3) + ext_capa->data[2] |= WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT; /* if present, add any custom IEs that go before HT */ if (assoc_data->ie_len) { @@ -2460,7 +2487,7 @@ void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, if (!ieee80211_is_data(hdr->frame_control)) return; - if (ieee80211_is_nullfunc(hdr->frame_control) && + if (ieee80211_is_any_nullfunc(hdr->frame_control) && sdata->u.mgd.probe_send_count > 0) { if (ack) ieee80211_sta_reset_conn_monitor(sdata); @@ -3368,9 +3395,16 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, } if (bss_conf->he_support) { - bss_conf->bss_color = + bss_conf->he_bss_color.color = le32_get_bits(elems->he_operation->he_oper_params, IEEE80211_HE_OPERATION_BSS_COLOR_MASK); + bss_conf->he_bss_color.partial = + le32_get_bits(elems->he_operation->he_oper_params, + IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR); + bss_conf->he_bss_color.disabled = + le32_get_bits(elems->he_operation->he_oper_params, + IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED); + changed |= BSS_CHANGED_HE_BSS_COLOR; bss_conf->htc_trig_based_pkt_ext = le32_get_bits(elems->he_operation->he_oper_params, @@ -3649,13 +3683,28 @@ static void ieee80211_rx_mgmt_probe_resp(struct ieee80211_sub_if_data *sdata, struct ieee80211_mgmt *mgmt = (void *)skb->data; struct ieee80211_if_managed *ifmgd; struct ieee80211_rx_status *rx_status = (void *) skb->cb; + struct ieee80211_channel *channel; size_t baselen, len = skb->len; ifmgd = &sdata->u.mgd; sdata_assert_lock(sdata); - if (!ether_addr_equal(mgmt->da, sdata->vif.addr)) + /* + * According to Draft P802.11ax D6.0 clause 26.17.2.3.2: + * "If a 6 GHz AP receives a Probe Request frame and responds with + * a Probe Response frame [..], the Address 1 field of the Probe + * Response frame shall be set to the broadcast address [..]" + * So, on 6GHz band we should also accept broadcast responses. + */ + channel = ieee80211_get_channel(sdata->local->hw.wiphy, + rx_status->freq); + if (!channel) + return; + + if (!ether_addr_equal(mgmt->da, sdata->vif.addr) && + (channel->band != NL80211_BAND_6GHZ || + !is_broadcast_ether_addr(mgmt->da))) return; /* ignore ProbeResp to foreign address */ baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt; @@ -4753,10 +4802,22 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata, IEEE80211_STA_DISABLE_80P80MHZ | IEEE80211_STA_DISABLE_160MHZ); + /* disable HT/VHT/HE if we don't support them */ + if (!sband->ht_cap.ht_supported) { + ifmgd->flags |= IEEE80211_STA_DISABLE_HT; + ifmgd->flags |= IEEE80211_STA_DISABLE_VHT; + ifmgd->flags |= IEEE80211_STA_DISABLE_HE; + } + + if (!sband->vht_cap.vht_supported) + ifmgd->flags |= IEEE80211_STA_DISABLE_VHT; + + if (!ieee80211_get_he_sta_cap(sband)) + ifmgd->flags |= IEEE80211_STA_DISABLE_HE; + rcu_read_lock(); - if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HT) && - sband->ht_cap.ht_supported) { + if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HT)) { const u8 *ht_oper_ie, *ht_cap_ie; ht_oper_ie = ieee80211_bss_get_ie(cbss, WLAN_EID_HT_OPERATION); @@ -4773,8 +4834,7 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata, } } - if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT) && - sband->vht_cap.vht_supported) { + if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT)) { const u8 *vht_oper_ie, *vht_cap; vht_oper_ie = ieee80211_bss_get_ie(cbss, @@ -4784,9 +4844,10 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata, if (vht_oper && !ht_oper) { vht_oper = NULL; sdata_info(sdata, - "AP advertised VHT without HT, disabling both\n"); + "AP advertised VHT without HT, disabling HT/VHT/HE\n"); ifmgd->flags |= IEEE80211_STA_DISABLE_HT; ifmgd->flags |= IEEE80211_STA_DISABLE_VHT; + ifmgd->flags |= IEEE80211_STA_DISABLE_HE; } vht_cap = ieee80211_bss_get_ie(cbss, WLAN_EID_VHT_CAPABILITY); @@ -4796,9 +4857,6 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata, } } - if (!ieee80211_get_he_sta_cap(sband)) - ifmgd->flags |= IEEE80211_STA_DISABLE_HE; - if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HE)) { const struct cfg80211_bss_ies *ies; const u8 *he_oper_ie; @@ -5297,27 +5355,15 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, } } - /* Also disable HT if we don't support it or the AP doesn't use WMM */ sband = local->hw.wiphy->bands[req->bss->channel->band]; - if (!sband->ht_cap.ht_supported || - local->hw.queues < IEEE80211_NUM_ACS || !bss->wmm_used || - ifmgd->flags & IEEE80211_STA_DISABLE_WMM) { - ifmgd->flags |= IEEE80211_STA_DISABLE_HT; - if (!bss->wmm_used && - !(ifmgd->flags & IEEE80211_STA_DISABLE_WMM)) - netdev_info(sdata->dev, - "disabling HT as WMM/QoS is not supported by the AP\n"); - } - /* disable VHT if we don't support it or the AP doesn't use WMM */ - if (!sband->vht_cap.vht_supported || - local->hw.queues < IEEE80211_NUM_ACS || !bss->wmm_used || - ifmgd->flags & IEEE80211_STA_DISABLE_WMM) { + /* also disable HT/VHT/HE if the AP doesn't use WMM */ + if (!bss->wmm_used) { + ifmgd->flags |= IEEE80211_STA_DISABLE_HT; ifmgd->flags |= IEEE80211_STA_DISABLE_VHT; - if (!bss->wmm_used && - !(ifmgd->flags & IEEE80211_STA_DISABLE_WMM)) - netdev_info(sdata->dev, - "disabling VHT as WMM/QoS is not supported by the AP\n"); + ifmgd->flags |= IEEE80211_STA_DISABLE_HE; + netdev_info(sdata->dev, + "disabling HT/VHT/HE as WMM/QoS is not supported by the AP\n"); } memcpy(&ifmgd->ht_capa, &req->ht_capa, sizeof(ifmgd->ht_capa)); @@ -5449,6 +5495,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, if (req->flags & ASSOC_REQ_DISABLE_HT) { ifmgd->flags |= IEEE80211_STA_DISABLE_HT; ifmgd->flags |= IEEE80211_STA_DISABLE_VHT; + ifmgd->flags |= IEEE80211_STA_DISABLE_HE; } if (req->flags & ASSOC_REQ_DISABLE_VHT) diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 0e05ff037672..ec3a04a1db20 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -6,7 +6,7 @@ * Copyright 2007-2010 Johannes Berg * Copyright 2013-2014 Intel Mobile Communications GmbH * Copyright(c) 2015 - 2017 Intel Deutschland GmbH - * Copyright (C) 2018-2019 Intel Corporation + * Copyright (C) 2018-2020 Intel Corporation */ #include @@ -1450,8 +1450,7 @@ ieee80211_rx_h_check_dup(struct ieee80211_rx_data *rx) return RX_CONTINUE; if (ieee80211_is_ctl(hdr->frame_control) || - ieee80211_is_nullfunc(hdr->frame_control) || - ieee80211_is_qos_nullfunc(hdr->frame_control) || + ieee80211_is_any_nullfunc(hdr->frame_control) || is_multicast_ether_addr(hdr->addr1)) return RX_CONTINUE; @@ -1838,8 +1837,7 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx) * Drop (qos-)data::nullfunc frames silently, since they * are used only to control station power saving mode. */ - if (ieee80211_is_nullfunc(hdr->frame_control) || - ieee80211_is_qos_nullfunc(hdr->frame_control)) { + if (ieee80211_is_any_nullfunc(hdr->frame_control)) { I802_DEBUG_INC(rx->local->rx_handlers_drop_nullfunc); /* @@ -2319,7 +2317,7 @@ static int ieee80211_drop_unencrypted(struct ieee80211_rx_data *rx, __le16 fc) /* Drop unencrypted frames if key is set. */ if (unlikely(!ieee80211_has_protected(fc) && - !ieee80211_is_nullfunc(fc) && + !ieee80211_is_any_nullfunc(fc) && ieee80211_is_data(fc) && rx->key)) return -EACCES; @@ -3084,6 +3082,10 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx) enum ieee80211_smps_mode smps_mode; struct sta_opmode_info sta_opmode = {}; + if (sdata->vif.type != NL80211_IFTYPE_AP && + sdata->vif.type != NL80211_IFTYPE_AP_VLAN) + goto handled; + /* convert to HT capability */ switch (mgmt->u.action.u.ht_smps.smps_control) { case WLAN_HT_SMPS_CONTROL_DISABLED: diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index 0f5f40678885..f357156b86ee 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -4,7 +4,7 @@ * Copyright 2006-2007 Jiri Benc * Copyright 2013-2014 Intel Mobile Communications GmbH * Copyright (C) 2015 - 2017 Intel Deutschland GmbH - * Copyright (C) 2018-2019 Intel Corporation + * Copyright (C) 2018-2020 Intel Corporation */ #include @@ -1351,20 +1351,6 @@ void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta) atomic_dec(&ps->num_sta_ps); - /* This station just woke up and isn't aware of our SMPS state */ - if (!ieee80211_vif_is_mesh(&sdata->vif) && - !ieee80211_smps_is_restrictive(sta->known_smps_mode, - sdata->smps_mode) && - sta->known_smps_mode != sdata->bss->req_smps && - sta_info_tx_streams(sta) != 1) { - ht_dbg(sdata, - "%pM just woke up and MIMO capable - update SMPS\n", - sta->sta.addr); - ieee80211_send_smps_action(sdata, sdata->bss->req_smps, - sta->sta.addr, - sdata->vif.bss_conf.bssid); - } - local->total_ps_buffered -= buffered; sta_info_recalc_tim(sta); diff --git a/net/mac80211/status.c b/net/mac80211/status.c index b720feaf9a74..22512805eafb 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -643,8 +643,7 @@ static void ieee80211_report_ack_skb(struct ieee80211_local *local, rcu_read_lock(); sdata = ieee80211_sdata_from_skb(local, skb); if (sdata) { - if (ieee80211_is_nullfunc(hdr->frame_control) || - ieee80211_is_qos_nullfunc(hdr->frame_control)) + if (ieee80211_is_any_nullfunc(hdr->frame_control)) cfg80211_probe_status(sdata->dev, hdr->addr1, cookie, acked, info->status.ack_signal, @@ -888,6 +887,7 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw, int rates_idx; bool send_to_cooked; bool acked; + bool noack_success; struct ieee80211_bar *bar; int shift = 0; int tid = IEEE80211_NUM_TIDS; @@ -906,6 +906,8 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw, clear_sta_flag(sta, WLAN_STA_SP); acked = !!(info->flags & IEEE80211_TX_STAT_ACK); + noack_success = !!(info->flags & + IEEE80211_TX_STAT_NOACK_TRANSMITTED); /* mesh Peer Service Period support */ if (ieee80211_vif_is_mesh(&sta->sdata->vif) && @@ -970,12 +972,12 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw, ieee80211_handle_filtered_frame(local, sta, skb); return; } else { - if (!acked) + if (!acked && !noack_success) sta->status_stats.retry_failed++; sta->status_stats.retry_count += retry_count; if (ieee80211_is_data_present(fc)) { - if (!acked) + if (!acked && !noack_success) sta->status_stats.msdu_failed[tid]++; sta->status_stats.msdu_retries[tid] += @@ -1013,7 +1015,7 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw, } if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) { - if (info->flags & IEEE80211_TX_STAT_ACK) { + if (acked) { if (sta->status_stats.lost_packets) sta->status_stats.lost_packets = 0; @@ -1021,6 +1023,8 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw, if (test_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH)) sta->status_stats.last_tdls_pkt_time = jiffies; + } else if (noack_success) { + /* nothing to do here, do not account as lost */ } else { ieee80211_lost_packet(sta, info); } @@ -1056,7 +1060,7 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw, I802_DEBUG_INC(local->dot11FailedCount); } - if ((ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc)) && + if (ieee80211_is_any_nullfunc(fc) && ieee80211_has_pm(fc) && ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS) && !(info->flags & IEEE80211_TX_CTL_INJECTED) && @@ -1141,7 +1145,7 @@ void ieee80211_tx_status_ext(struct ieee80211_hw *hw, sta = container_of(pubsta, struct sta_info, sta); - if (!acked) + if (!acked && !noack_success) sta->status_stats.retry_failed++; sta->status_stats.retry_count += retry_count; @@ -1156,6 +1160,8 @@ void ieee80211_tx_status_ext(struct ieee80211_hw *hw, sta->status_stats.last_tdls_pkt_time = jiffies; } else if (test_sta_flag(sta, WLAN_STA_PS_STA)) { return; + } else if (noack_success) { + /* nothing to do here, do not account as lost */ } else { ieee80211_lost_packet(sta, info); } @@ -1198,6 +1204,77 @@ void ieee80211_tx_rate_update(struct ieee80211_hw *hw, } EXPORT_SYMBOL(ieee80211_tx_rate_update); +void ieee80211_tx_status_8023(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct sk_buff *skb) +{ + struct ieee80211_local *local = hw_to_local(hw); + struct ieee80211_sub_if_data *sdata; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct sta_info *sta; + int retry_count; + int rates_idx; + bool acked; + + sdata = vif_to_sdata(vif); + + acked = info->flags & IEEE80211_TX_STAT_ACK; + rates_idx = ieee80211_tx_get_rates(hw, info, &retry_count); + + rcu_read_lock(); + + if (ieee80211_lookup_ra_sta(sdata, skb, &sta)) + goto counters_update; + + if (IS_ERR(sta)) + goto counters_update; + + if (!acked) + sta->status_stats.retry_failed++; + + if (rates_idx != -1) + sta->tx_stats.last_rate = info->status.rates[rates_idx]; + + sta->status_stats.retry_count += retry_count; + + if (ieee80211_hw_check(hw, REPORTS_TX_ACK_STATUS)) { + if (acked && vif->type == NL80211_IFTYPE_STATION) + ieee80211_sta_reset_conn_monitor(sdata); + + sta->status_stats.last_ack = jiffies; + if (info->flags & IEEE80211_TX_STAT_ACK) { + if (sta->status_stats.lost_packets) + sta->status_stats.lost_packets = 0; + + if (test_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH)) + sta->status_stats.last_tdls_pkt_time = jiffies; + } else { + ieee80211_lost_packet(sta, info); + } + } + +counters_update: + rcu_read_unlock(); + ieee80211_led_tx(local); + + if (!(info->flags & IEEE80211_TX_STAT_ACK) && + !(info->flags & IEEE80211_TX_STAT_NOACK_TRANSMITTED)) + goto skip_stats_update; + + I802_DEBUG_INC(local->dot11TransmittedFrameCount); + if (is_multicast_ether_addr(skb->data)) + I802_DEBUG_INC(local->dot11MulticastTransmittedFrameCount); + if (retry_count > 0) + I802_DEBUG_INC(local->dot11RetryCount); + if (retry_count > 1) + I802_DEBUG_INC(local->dot11MultipleRetryCount); + +skip_stats_update: + ieee80211_report_used_skb(local, skb, false); + dev_kfree_skb(skb); +} +EXPORT_SYMBOL(ieee80211_tx_status_8023); + void ieee80211_report_low_ack(struct ieee80211_sta *pubsta, u32 num_packets) { struct sta_info *sta = container_of(pubsta, struct sta_info, sta); diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 87def9cb91ff..38f20a370f2a 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -297,7 +297,7 @@ ieee80211_tx_h_check_assoc(struct ieee80211_tx_data *tx) if (unlikely(test_bit(SCAN_SW_SCANNING, &tx->local->scanning)) && test_bit(SDATA_STATE_OFFCHANNEL, &tx->sdata->state) && !ieee80211_is_probe_req(hdr->frame_control) && - !ieee80211_is_nullfunc(hdr->frame_control)) + !ieee80211_is_any_nullfunc(hdr->frame_control)) /* * When software scanning only nullfunc frames (to notify * the sleep state to the AP) and probe requests (for the @@ -1250,7 +1250,8 @@ static struct txq_info *ieee80211_get_txq(struct ieee80211_local *local, (info->control.flags & IEEE80211_TX_CTRL_PS_RESPONSE)) return NULL; - if (unlikely(!ieee80211_is_data_present(hdr->frame_control))) { + if (!(info->control.flags & IEEE80211_TX_CTRL_HW_80211_ENCAP) && + unlikely(!ieee80211_is_data_present(hdr->frame_control))) { if ((!ieee80211_is_mgmt(hdr->frame_control) || ieee80211_is_bufferable_mmpdu(hdr->frame_control) || vif->type == NL80211_IFTYPE_STATION) && @@ -2360,9 +2361,9 @@ static inline bool ieee80211_is_tdls_setup(struct sk_buff *skb) skb->data[14] == WLAN_TDLS_SNAP_RFTYPE; } -static int ieee80211_lookup_ra_sta(struct ieee80211_sub_if_data *sdata, - struct sk_buff *skb, - struct sta_info **sta_out) +int ieee80211_lookup_ra_sta(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb, + struct sta_info **sta_out) { struct sta_info *sta; @@ -3616,6 +3617,9 @@ begin: else info->flags &= ~IEEE80211_TX_CTL_AMPDU; + if (info->control.flags & IEEE80211_TX_CTRL_HW_80211_ENCAP) + goto encap_out; + if (info->control.flags & IEEE80211_TX_CTRL_FAST_XMIT) { struct sta_info *sta = container_of(txq->sta, struct sta_info, sta); @@ -3675,6 +3679,7 @@ begin: break; } +encap_out: IEEE80211_SKB_CB(skb)->control.vif = vif; if (wiphy_ext_feature_isset(local->hw.wiphy, NL80211_EXT_FEATURE_AQL)) { @@ -4103,6 +4108,153 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, return NETDEV_TX_OK; } +static bool ieee80211_tx_8023(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb, int led_len, + struct sta_info *sta, + bool txpending) +{ + struct ieee80211_local *local = sdata->local; + struct ieee80211_tx_control control = {}; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_sta *pubsta = NULL; + unsigned long flags; + int q = info->hw_queue; + + if (ieee80211_queue_skb(local, sdata, sta, skb)) + return true; + + spin_lock_irqsave(&local->queue_stop_reason_lock, flags); + + if (local->queue_stop_reasons[q] || + (!txpending && !skb_queue_empty(&local->pending[q]))) { + if (txpending) + skb_queue_head(&local->pending[q], skb); + else + skb_queue_tail(&local->pending[q], skb); + + spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); + + return false; + } + + spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); + + if (sta && sta->uploaded) + pubsta = &sta->sta; + + control.sta = pubsta; + + drv_tx(local, &control, skb); + + return true; +} + +static void ieee80211_8023_xmit(struct ieee80211_sub_if_data *sdata, + struct net_device *dev, struct sta_info *sta, + struct sk_buff *skb) +{ + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ethhdr *ehdr = (struct ethhdr *)skb->data; + struct ieee80211_local *local = sdata->local; + bool authorized = false; + bool multicast; + unsigned char *ra = ehdr->h_dest; + + if (IS_ERR(sta) || (sta && !sta->uploaded)) + sta = NULL; + + if (sdata->vif.type == NL80211_IFTYPE_STATION && + (!sta || !test_sta_flag(sta, WLAN_STA_TDLS_PEER))) + ra = sdata->u.mgd.bssid; + + if (!is_valid_ether_addr(ra)) + goto out_free; + + multicast = is_multicast_ether_addr(ra); + + if (sta) + authorized = test_sta_flag(sta, WLAN_STA_AUTHORIZED); + + if (!multicast && !authorized && + (ehdr->h_proto != sdata->control_port_protocol || + !ether_addr_equal(sdata->vif.addr, ehdr->h_source))) + goto out_free; + + if (multicast && sdata->vif.type == NL80211_IFTYPE_AP && + !atomic_read(&sdata->u.ap.num_mcast_sta)) + goto out_free; + + if (unlikely(test_bit(SCAN_SW_SCANNING, &local->scanning)) && + test_bit(SDATA_STATE_OFFCHANNEL, &sdata->state)) + goto out_free; + + if (unlikely(!multicast && skb->sk && + skb_shinfo(skb)->tx_flags & SKBTX_WIFI_STATUS)) + ieee80211_store_ack_skb(local, skb, &info->flags); + + memset(info, 0, sizeof(*info)); + + if (unlikely(sdata->control_port_protocol == ehdr->h_proto)) { + if (sdata->control_port_no_encrypt) + info->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT; + info->control.flags |= IEEE80211_TX_CTRL_PORT_CTRL_PROTO; + } + + if (multicast) + info->flags |= IEEE80211_TX_CTL_NO_ACK; + + info->hw_queue = sdata->vif.hw_queue[skb_get_queue_mapping(skb)]; + + ieee80211_tx_stats(dev, skb->len); + + if (sta) { + sta->tx_stats.bytes[skb_get_queue_mapping(skb)] += skb->len; + sta->tx_stats.packets[skb_get_queue_mapping(skb)]++; + } + + if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) + sdata = container_of(sdata->bss, + struct ieee80211_sub_if_data, u.ap); + + info->control.flags |= IEEE80211_TX_CTRL_HW_80211_ENCAP; + info->control.vif = &sdata->vif; + + ieee80211_tx_8023(sdata, skb, skb->len, sta, false); + + return; + +out_free: + kfree_skb(skb); +} + +netdev_tx_t ieee80211_subif_start_xmit_8023(struct sk_buff *skb, + struct net_device *dev) +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct sta_info *sta; + + if (WARN_ON(!sdata->hw_80211_encap)) { + kfree_skb(skb); + return NETDEV_TX_OK; + } + + if (unlikely(skb->len < ETH_HLEN)) { + kfree_skb(skb); + return NETDEV_TX_OK; + } + + rcu_read_lock(); + + if (ieee80211_lookup_ra_sta(sdata, skb, &sta)) + kfree_skb(skb); + else + ieee80211_8023_xmit(sdata, dev, sta, skb); + + rcu_read_unlock(); + + return NETDEV_TX_OK; +} + struct sk_buff * ieee80211_build_data_template(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, u32 info_flags) @@ -4181,6 +4333,16 @@ static bool ieee80211_tx_pending_skb(struct ieee80211_local *local, } info->band = chanctx_conf->def.chan->band; result = ieee80211_tx(sdata, NULL, skb, true, 0); + } else if (info->control.flags & IEEE80211_TX_CTRL_HW_80211_ENCAP) { + if (ieee80211_lookup_ra_sta(sdata, skb, &sta)) { + dev_kfree_skb(skb); + return true; + } + + if (IS_ERR(sta) || (sta && !sta->uploaded)) + sta = NULL; + + result = ieee80211_tx_8023(sdata, skb, skb->len, sta, true); } else { struct sk_buff_head skbs; @@ -5120,7 +5282,8 @@ void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, 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) + const u8 *dest, const u8 *src, __be16 proto, + bool unencrypted) { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); struct ieee80211_local *local = sdata->local; @@ -5151,7 +5314,7 @@ int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev, ehdr = skb_push(skb, sizeof(struct ethhdr)); memcpy(ehdr->h_dest, dest, ETH_ALEN); - memcpy(ehdr->h_source, sdata->vif.addr, ETH_ALEN); + memcpy(ehdr->h_source, src, ETH_ALEN); ehdr->h_proto = proto; skb->dev = dev; diff --git a/net/mac80211/util.c b/net/mac80211/util.c index decd46b38393..ea7d277a8c45 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -6,7 +6,7 @@ * Copyright 2007 Johannes Berg * Copyright 2013-2014 Intel Mobile Communications GmbH * Copyright (C) 2015-2017 Intel Deutschland GmbH - * Copyright (C) 2018-2019 Intel Corporation + * Copyright (C) 2018-2020 Intel Corporation * * utilities for mac80211 */ @@ -39,7 +39,6 @@ const void *const mac80211_wiphy_privid = &mac80211_wiphy_privid; struct ieee80211_hw *wiphy_to_ieee80211_hw(struct wiphy *wiphy) { struct ieee80211_local *local; - BUG_ON(!wiphy); local = wiphy_priv(wiphy); return &local->hw; @@ -891,6 +890,51 @@ void ieee80211_queue_delayed_work(struct ieee80211_hw *hw, } EXPORT_SYMBOL(ieee80211_queue_delayed_work); +static void ieee80211_parse_extension_element(u32 *crc, + const struct element *elem, + struct ieee802_11_elems *elems) +{ + const void *data = elem->data + 1; + u8 len = elem->datalen - 1; + + switch (elem->data[0]) { + case WLAN_EID_EXT_HE_MU_EDCA: + if (len == sizeof(*elems->mu_edca_param_set)) { + elems->mu_edca_param_set = data; + if (crc) + *crc = crc32_be(*crc, (void *)elem, + elem->datalen + 2); + } + break; + case WLAN_EID_EXT_HE_CAPABILITY: + elems->he_cap = data; + elems->he_cap_len = len; + break; + case WLAN_EID_EXT_HE_OPERATION: + if (len >= sizeof(*elems->he_operation) && + len == ieee80211_he_oper_size(data) - 1) + elems->he_operation = data; + break; + case WLAN_EID_EXT_UORA: + if (len == 1) + elems->uora_element = data; + break; + case WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME: + if (len == 3) + elems->max_channel_switch_time = data; + break; + case WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION: + if (len == sizeof(*elems->mbssid_config_ie)) + elems->mbssid_config_ie = data; + break; + case WLAN_EID_EXT_HE_SPR: + if (len >= sizeof(*elems->he_spr) && + len >= ieee80211_he_spr_size(data)) + elems->he_spr = data; + break; + } +} + static u32 _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, struct ieee802_11_elems *elems, @@ -950,6 +994,7 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, case WLAN_EID_CHAN_SWITCH_TIMING: case WLAN_EID_LINK_ID: case WLAN_EID_BSS_MAX_IDLE_PERIOD: + case WLAN_EID_RSNX: /* * not listing WLAN_EID_CHANNEL_SWITCH_WRAPPER -- it seems possible * that if the content gets bigger it might be needed more than once @@ -1226,34 +1271,14 @@ _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_RSNX: + elems->rsnx = pos; + elems->rsnx_len = elen; + break; case WLAN_EID_EXTENSION: - if (pos[0] == WLAN_EID_EXT_HE_MU_EDCA && - elen >= (sizeof(*elems->mu_edca_param_set) + 1)) { - elems->mu_edca_param_set = (void *)&pos[1]; - if (calc_crc) - crc = crc32_be(crc, pos - 2, elen + 2); - } else if (pos[0] == WLAN_EID_EXT_HE_CAPABILITY) { - elems->he_cap = (void *)&pos[1]; - elems->he_cap_len = elen - 1; - } else if (pos[0] == WLAN_EID_EXT_HE_OPERATION && - elen >= sizeof(*elems->he_operation) && - elen >= ieee80211_he_oper_size(&pos[1])) { - elems->he_operation = (void *)&pos[1]; - } else if (pos[0] == WLAN_EID_EXT_UORA && elen >= 1) { - elems->uora_element = (void *)&pos[1]; - } else if (pos[0] == - WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME && - elen == 4) { - elems->max_channel_switch_time = pos + 1; - } else if (pos[0] == - WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION && - elen == 3) { - elems->mbssid_config_ie = (void *)&pos[1]; - } else if (pos[0] == WLAN_EID_EXT_HE_SPR && - elen >= sizeof(*elems->he_spr) && - elen >= ieee80211_he_spr_size(&pos[1])) { - elems->he_spr = (void *)&pos[1]; - } + ieee80211_parse_extension_element(calc_crc ? + &crc : NULL, + elem, elems); break; default: break; diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c index ccdcb9ad9ac7..632f07401850 100644 --- a/net/mac80211/vht.c +++ b/net/mac80211/vht.c @@ -333,11 +333,33 @@ ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, } } +/* FIXME: move this to some better location - parses HE now */ enum ieee80211_sta_rx_bandwidth ieee80211_sta_cap_rx_bw(struct sta_info *sta) { struct ieee80211_sta_vht_cap *vht_cap = &sta->sta.vht_cap; + struct ieee80211_sta_he_cap *he_cap = &sta->sta.he_cap; u32 cap_width; + if (he_cap->has_he) { + u8 info = he_cap->he_cap_elem.phy_cap_info[0]; + + if (sta->sdata->vif.bss_conf.chandef.chan->band == + NL80211_BAND_2GHZ) { + if (info & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G) + return IEEE80211_STA_RX_BW_40; + else + return IEEE80211_STA_RX_BW_20; + } + + if (info & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G || + info & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) + return IEEE80211_STA_RX_BW_160; + else if (info & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G) + return IEEE80211_STA_RX_BW_80; + + return IEEE80211_STA_RX_BW_20; + } + if (!vht_cap->vht_supported) return sta->sta.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 ? IEEE80211_STA_RX_BW_40 : @@ -433,6 +455,7 @@ ieee80211_chan_width_to_rx_bw(enum nl80211_chan_width width) } } +/* FIXME: rename/move - this deals with everything not just VHT */ enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta) { struct ieee80211_sub_if_data *sdata = sta->sdata; @@ -458,12 +481,40 @@ enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta) void ieee80211_sta_set_rx_nss(struct sta_info *sta) { - u8 ht_rx_nss = 0, vht_rx_nss = 0; + u8 ht_rx_nss = 0, vht_rx_nss = 0, he_rx_nss = 0, rx_nss; /* if we received a notification already don't overwrite it */ if (sta->sta.rx_nss) return; + if (sta->sta.he_cap.has_he) { + int i; + u8 rx_mcs_80 = 0, rx_mcs_160 = 0; + const struct ieee80211_sta_he_cap *he_cap = &sta->sta.he_cap; + u16 mcs_160_map = + le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_160); + u16 mcs_80_map = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_80); + + for (i = 7; i >= 0; i--) { + u8 mcs_160 = (mcs_160_map >> (2 * i)) & 3; + + if (mcs_160 != IEEE80211_VHT_MCS_NOT_SUPPORTED) { + rx_mcs_160 = i + 1; + break; + } + } + for (i = 7; i >= 0; i--) { + u8 mcs_80 = (mcs_80_map >> (2 * i)) & 3; + + if (mcs_80 != IEEE80211_VHT_MCS_NOT_SUPPORTED) { + rx_mcs_80 = i + 1; + break; + } + } + + he_rx_nss = min(rx_mcs_80, rx_mcs_160); + } + if (sta->sta.ht_cap.ht_supported) { if (sta->sta.ht_cap.mcs.rx_mask[0]) ht_rx_nss++; @@ -493,8 +544,9 @@ void ieee80211_sta_set_rx_nss(struct sta_info *sta) /* FIXME: consider rx_highest? */ } - ht_rx_nss = max(ht_rx_nss, vht_rx_nss); - sta->sta.rx_nss = max_t(u8, 1, ht_rx_nss); + rx_nss = max(vht_rx_nss, ht_rx_nss); + rx_nss = max(he_rx_nss, rx_nss); + sta->sta.rx_nss = max_t(u8, 1, rx_nss); } u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, diff --git a/net/mac80211/wep.c b/net/mac80211/wep.c index b75c2c54e665..9a6e11d7b4db 100644 --- a/net/mac80211/wep.c +++ b/net/mac80211/wep.c @@ -22,12 +22,10 @@ #include "wep.h" -int ieee80211_wep_init(struct ieee80211_local *local) +void ieee80211_wep_init(struct ieee80211_local *local) { /* start WEP IV from a random value */ get_random_bytes(&local->wep_iv, IEEE80211_WEP_IV_LEN); - - return 0; } static inline bool ieee80211_wep_weak_iv(u32 iv, int keylen) diff --git a/net/mac80211/wep.h b/net/mac80211/wep.h index 997a034233c2..4ffe83554c67 100644 --- a/net/mac80211/wep.h +++ b/net/mac80211/wep.h @@ -13,7 +13,7 @@ #include "ieee80211_i.h" #include "key.h" -int ieee80211_wep_init(struct ieee80211_local *local); +void ieee80211_wep_init(struct ieee80211_local *local); int ieee80211_wep_encrypt_data(struct arc4_ctx *ctx, u8 *rc4key, size_t klen, u8 *data, size_t data_len); int ieee80211_wep_encrypt(struct ieee80211_local *local, diff --git a/net/wireless/core.h b/net/wireless/core.h index ed487e324571..bb897a803ffe 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -385,7 +385,7 @@ void cfg80211_mlme_down(struct cfg80211_registered_device *rdev, struct net_device *dev); int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid, u16 frame_type, const u8 *match_data, - int match_len); + int match_len, struct netlink_ext_ack *extack); void cfg80211_mlme_unreg_wk(struct work_struct *wk); void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid); void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev); diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c index f9462010575f..e4805a3bd310 100644 --- a/net/wireless/mlme.c +++ b/net/wireless/mlme.c @@ -4,6 +4,7 @@ * * Copyright (c) 2009, Jouni Malinen * Copyright (c) 2015 Intel Deutschland GmbH + * Copyright (C) 2019 Intel Corporation */ #include @@ -470,7 +471,7 @@ void cfg80211_mlme_unreg_wk(struct work_struct *wk) int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_portid, u16 frame_type, const u8 *match_data, - int match_len) + int match_len, struct netlink_ext_ack *extack) { struct wiphy *wiphy = wdev->wiphy; struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); @@ -481,15 +482,38 @@ int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_portid, if (!wdev->wiphy->mgmt_stypes) return -EOPNOTSUPP; - if ((frame_type & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT) + if ((frame_type & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT) { + NL_SET_ERR_MSG(extack, "frame type not management"); return -EINVAL; + } - if (frame_type & ~(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) + if (frame_type & ~(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) { + NL_SET_ERR_MSG(extack, "Invalid frame type"); return -EINVAL; + } mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4; - if (!(wdev->wiphy->mgmt_stypes[wdev->iftype].rx & BIT(mgmt_type))) + if (!(wdev->wiphy->mgmt_stypes[wdev->iftype].rx & BIT(mgmt_type))) { + NL_SET_ERR_MSG(extack, + "Registration to specific type not supported"); return -EINVAL; + } + + /* + * To support Pre Association Security Negotiation (PASN), registration + * for authentication frames should be supported. However, as some + * versions of the user space daemons wrongly register to all types of + * authentication frames (which might result in unexpected behavior) + * allow such registration if the request is for a specific + * authentication algorithm number. + */ + if (wdev->iftype == NL80211_IFTYPE_STATION && + (frame_type & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_AUTH && + !(match_data && match_len >= 2)) { + NL_SET_ERR_MSG(extack, + "Authentication algorithm number required"); + return -EINVAL; + } nreg = kzalloc(sizeof(*reg) + match_len, GFP_KERNEL); if (!nreg) @@ -504,6 +528,7 @@ int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_portid, continue; if (memcmp(reg->match, match_data, mlen) == 0) { + NL_SET_ERR_MSG(extack, "Match already configured"); err = -EALREADY; break; } diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index cedf17d4933f..f0112dabe21e 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -321,6 +321,13 @@ he_obss_pd_policy[NL80211_HE_OBSS_PD_ATTR_MAX + 1] = { NLA_POLICY_RANGE(NLA_U8, 1, 20), }; +static const struct nla_policy +he_bss_color_policy[NL80211_HE_BSS_COLOR_ATTR_MAX + 1] = { + [NL80211_HE_BSS_COLOR_ATTR_COLOR] = NLA_POLICY_RANGE(NLA_U8, 1, 63), + [NL80211_HE_BSS_COLOR_ATTR_DISABLED] = { .type = NLA_FLAG }, + [NL80211_HE_BSS_COLOR_ATTR_PARTIAL] = { .type = NLA_FLAG }, +}; + const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { [0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD }, [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, @@ -626,6 +633,9 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { [NL80211_ATTR_TWT_RESPONDER] = { .type = NLA_FLAG }, [NL80211_ATTR_HE_OBSS_PD] = NLA_POLICY_NESTED(he_obss_pd_policy), [NL80211_ATTR_VLAN_ID] = NLA_POLICY_RANGE(NLA_U16, 1, VLAN_N_VID - 2), + [NL80211_ATTR_HE_BSS_COLOR] = NLA_POLICY_NESTED(he_bss_color_policy), + [NL80211_ATTR_SRC_MAC] = NLA_POLICY_ETH_ADDR, + [NL80211_ATTR_DST_MAC] = NLA_POLICY_ETH_ADDR, }; /* policy for the key attributes */ @@ -965,6 +975,9 @@ static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy, if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) && nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ)) goto nla_put_failure; + if ((chan->flags & IEEE80211_CHAN_NO_HE) && + nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HE)) + goto nla_put_failure; } if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, @@ -1886,6 +1899,46 @@ static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev, return 0; } +static int +nl80211_put_iftype_akm_suites(struct cfg80211_registered_device *rdev, + struct sk_buff *msg) +{ + int i; + struct nlattr *nested, *nested_akms; + const struct wiphy_iftype_akm_suites *iftype_akms; + + if (!rdev->wiphy.num_iftype_akm_suites || + !rdev->wiphy.iftype_akm_suites) + return 0; + + nested = nla_nest_start(msg, NL80211_ATTR_IFTYPE_AKM_SUITES); + if (!nested) + return -ENOBUFS; + + for (i = 0; i < rdev->wiphy.num_iftype_akm_suites; i++) { + nested_akms = nla_nest_start(msg, i + 1); + if (!nested_akms) + return -ENOBUFS; + + iftype_akms = &rdev->wiphy.iftype_akm_suites[i]; + + if (nl80211_put_iftypes(msg, NL80211_IFTYPE_AKM_ATTR_IFTYPES, + iftype_akms->iftypes_mask)) + return -ENOBUFS; + + if (nla_put(msg, NL80211_IFTYPE_AKM_ATTR_SUITES, + sizeof(u32) * iftype_akms->n_akm_suites, + iftype_akms->akm_suites)) { + return -ENOBUFS; + } + nla_nest_end(msg, nested_akms); + } + + nla_nest_end(msg, nested); + + return 0; +} + struct nl80211_dump_wiphy_state { s64 filter_wiphy; long start; @@ -2444,6 +2497,9 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, rdev->wiphy.akm_suites)) goto nla_put_failure; + if (nl80211_put_iftype_akm_suites(rdev, msg)) + goto nla_put_failure; + /* done */ state->split_start = 0; break; @@ -4512,6 +4568,30 @@ static int nl80211_parse_he_obss_pd(struct nlattr *attrs, return 0; } +static int nl80211_parse_he_bss_color(struct nlattr *attrs, + struct cfg80211_he_bss_color *he_bss_color) +{ + struct nlattr *tb[NL80211_HE_BSS_COLOR_ATTR_MAX + 1]; + int err; + + err = nla_parse_nested(tb, NL80211_HE_BSS_COLOR_ATTR_MAX, attrs, + he_bss_color_policy, NULL); + if (err) + return err; + + if (!tb[NL80211_HE_BSS_COLOR_ATTR_COLOR]) + return -EINVAL; + + he_bss_color->color = + nla_get_u8(tb[NL80211_HE_BSS_COLOR_ATTR_COLOR]); + he_bss_color->disabled = + nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_DISABLED]); + he_bss_color->partial = + nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_PARTIAL]); + + return 0; +} + static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params, const u8 *rates) { @@ -4804,6 +4884,14 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) return err; } + if (info->attrs[NL80211_ATTR_HE_BSS_COLOR]) { + err = nl80211_parse_he_bss_color( + info->attrs[NL80211_ATTR_HE_BSS_COLOR], + ¶ms.he_bss_color); + if (err) + return err; + } + nl80211_calculate_ap_params(¶ms); if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT]) @@ -10539,8 +10627,9 @@ static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) return -EOPNOTSUPP; return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type, - nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), - nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); + nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), + nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]), + info->extack); } static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) @@ -13609,6 +13698,7 @@ static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info) const u8 *buf; size_t len; u8 *dest; + u8 src[ETH_ALEN]; u16 proto; bool noencrypt; int err; @@ -13646,6 +13736,13 @@ static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info) goto out; } + /* copy src address under wdev_lock, as we may copy wdev_address */ + if (info->attrs[NL80211_ATTR_SRC_MAC]) + ether_addr_copy(src, + nla_data(info->attrs[NL80211_ATTR_SRC_MAC])); + else + ether_addr_copy(src, wdev_address(wdev)); + wdev_unlock(wdev); buf = nla_data(info->attrs[NL80211_ATTR_FRAME]); @@ -13656,7 +13753,7 @@ static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info) nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]); return rdev_tx_control_port(rdev, dev, buf, len, - dest, cpu_to_be16(proto), noencrypt); + dest, src, cpu_to_be16(proto), noencrypt); out: wdev_unlock(wdev); @@ -15913,7 +16010,8 @@ static int __nl80211_rx_control_port(struct net_device *dev, struct wireless_dev *wdev = dev->ieee80211_ptr; struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); struct ethhdr *ehdr = eth_hdr(skb); - const u8 *addr = ehdr->h_source; + const u8 *daddr = ehdr->h_dest; + const u8 *saddr = ehdr->h_source; u16 proto = be16_to_cpu(skb->protocol); struct sk_buff *msg; void *hdr; @@ -15938,7 +16036,8 @@ static int __nl80211_rx_control_port(struct net_device *dev, nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), NL80211_ATTR_PAD) || - nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || + nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, saddr) || + nla_put(msg, NL80211_ATTR_DST_MAC, ETH_ALEN, daddr) || nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) || (unencrypted && nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT))) diff --git a/net/wireless/rdev-ops.h b/net/wireless/rdev-ops.h index e0d34f796d0b..5ea34c1b60fe 100644 --- a/net/wireless/rdev-ops.h +++ b/net/wireless/rdev-ops.h @@ -734,14 +734,14 @@ static inline int rdev_mgmt_tx(struct cfg80211_registered_device *rdev, static inline int rdev_tx_control_port(struct cfg80211_registered_device *rdev, struct net_device *dev, const void *buf, size_t len, - const u8 *dest, __be16 proto, - const bool noencrypt) + const u8 *dest, const u8 *src, + __be16 proto, const bool noencrypt) { int ret; trace_rdev_tx_control_port(&rdev->wiphy, dev, buf, len, - dest, proto, noencrypt); + dest, src, proto, noencrypt); ret = rdev->ops->tx_control_port(&rdev->wiphy, dev, buf, len, - dest, proto, noencrypt); + dest, src, proto, noencrypt); trace_rdev_return_int(&rdev->wiphy, ret); return ret; } diff --git a/net/wireless/reg.c b/net/wireless/reg.c index fff9a74891fc..173a7d7a7003 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -1569,6 +1569,8 @@ static u32 map_regdom_flags(u32 rd_flags) channel_flags |= IEEE80211_CHAN_NO_80MHZ; if (rd_flags & NL80211_RRF_NO_160MHZ) channel_flags |= IEEE80211_CHAN_NO_160MHZ; + if (rd_flags & NL80211_RRF_NO_HE) + channel_flags |= IEEE80211_CHAN_NO_HE; return channel_flags; } diff --git a/net/wireless/trace.h b/net/wireless/trace.h index 3ef1679b0e66..b6b60e3aea41 100644 --- a/net/wireless/trace.h +++ b/net/wireless/trace.h @@ -1928,27 +1928,31 @@ TRACE_EVENT(rdev_mgmt_tx, TRACE_EVENT(rdev_tx_control_port, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, - const u8 *buf, size_t len, const u8 *dest, __be16 proto, + const u8 *buf, size_t len, + const u8 *dest, const u8 *src, __be16 proto, bool unencrypted), - TP_ARGS(wiphy, netdev, buf, len, dest, proto, unencrypted), + TP_ARGS(wiphy, netdev, buf, len, dest, src, proto, unencrypted), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(dest) - __field(__be16, proto) + MAC_ENTRY(src) + __field(u16, proto) __field(bool, unencrypted) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(dest, dest); - __entry->proto = proto; + MAC_ASSIGN(src, src); + __entry->proto = be16_to_cpu(proto); __entry->unencrypted = unencrypted; ), - TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " MAC_PR_FMT "," - " proto: 0x%x, unencrypted: %s", - WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(dest), - be16_to_cpu(__entry->proto), + TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", dest: " MAC_PR_FMT + ", src: " MAC_PR_FMT ", proto: 0x%x, unencrypted: %s", + WIPHY_PR_ARG, NETDEV_PR_ARG, + MAC_PR_ARG(dest), MAC_PR_ARG(src), + __entry->proto, BOOL_TO_STR(__entry->unencrypted)) ); @@ -2840,6 +2844,7 @@ TRACE_EVENT(cfg80211_rx_control_port, TP_STRUCT__entry( NETDEV_ENTRY __field(int, len) + MAC_ENTRY(to) MAC_ENTRY(from) __field(u16, proto) __field(bool, unencrypted) @@ -2847,12 +2852,14 @@ TRACE_EVENT(cfg80211_rx_control_port, TP_fast_assign( NETDEV_ASSIGN; __entry->len = skb->len; + MAC_ASSIGN(to, eth_hdr(skb)->h_dest); MAC_ASSIGN(from, eth_hdr(skb)->h_source); __entry->proto = be16_to_cpu(skb->protocol); __entry->unencrypted = unencrypted; ), - TP_printk(NETDEV_PR_FMT ", len=%d, " MAC_PR_FMT ", proto: 0x%x, unencrypted: %s", - NETDEV_PR_ARG, __entry->len, MAC_PR_ARG(from), + TP_printk(NETDEV_PR_FMT ", len=%d, dest: " MAC_PR_FMT + ", src: " MAC_PR_FMT ", proto: 0x%x, unencrypted: %s", + NETDEV_PR_ARG, __entry->len, MAC_PR_ARG(to), MAC_PR_ARG(from), __entry->proto, BOOL_TO_STR(__entry->unencrypted)) );