diff options
Diffstat (limited to 'net/mac80211/ieee80211_i.h')
| -rw-r--r-- | net/mac80211/ieee80211_i.h | 2122 |
1 files changed, 1681 insertions, 441 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 8412a303993a..9d9313eee59f 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1,12 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright 2002-2005, Instant802 Networks, Inc. * Copyright 2005, Devicescape Software, Inc. * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> * Copyright 2007-2010 Johannes Berg <johannes@sipsolutions.net> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. + * Copyright 2013-2015 Intel Mobile Communications GmbH + * Copyright (C) 2018-2025 Intel Corporation */ #ifndef IEEE80211_I_H @@ -25,14 +24,22 @@ #include <linux/etherdevice.h> #include <linux/leds.h> #include <linux/idr.h> +#include <linux/rhashtable.h> +#include <linux/rbtree.h> +#include <kunit/visibility.h> #include <net/ieee80211_radiotap.h> #include <net/cfg80211.h> #include <net/mac80211.h> +#include <net/fq.h> #include "key.h" #include "sta_info.h" #include "debug.h" +#include "drop.h" + +extern const struct cfg80211_ops mac80211_config_ops; struct ieee80211_local; +struct ieee80211_mesh_fast_tx; /* Maximum number of broadcast/multicast frames to buffer when some of the * associated stations are using power saving. */ @@ -47,43 +54,62 @@ struct ieee80211_local; #define IEEE80211_ENCRYPT_HEADROOM 8 #define IEEE80211_ENCRYPT_TAILROOM 18 -/* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent - * reception of at least three fragmented frames. This limit can be increased - * by changing this define, at the cost of slower frame reassembly and - * increased memory use (about 2 kB of RAM per entry). */ -#define IEEE80211_FRAGMENT_MAX 4 - -#define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024)) -#define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x)) - /* power level hasn't been configured (or set to automatic) */ #define IEEE80211_UNSET_POWER_LEVEL INT_MIN /* - * Some APs experience problems when working with U-APSD. Decrease the - * probability of that happening by using legacy mode for all ACs but VO. - * The AP that caused us trouble was a Cisco 4410N. It ignores our - * setting, and always treats non-VO ACs as legacy. + * Some APs experience problems when working with U-APSD. Decreasing the + * probability of that happening by using legacy mode for all ACs but VO isn't + * enough. + * + * Cisco 4410N originally forced us to enable VO by default only because it + * treated non-VO ACs as legacy. + * + * However some APs (notably Netgear R7000) silently reclassify packets to + * different ACs. Since u-APSD ACs require trigger frames for frame retrieval + * clients would never see some frames (e.g. ARP responses) or would fetch them + * accidentally after a long time. + * + * It makes little sense to enable u-APSD queues by default because it needs + * userspace applications to be aware of it to actually take advantage of the + * possible additional powersavings. Implicitly depending on driver autotrigger + * frame support doesn't make much sense. */ -#define IEEE80211_DEFAULT_UAPSD_QUEUES \ - IEEE80211_WMM_IE_STA_QOSINFO_AC_VO +#define IEEE80211_DEFAULT_UAPSD_QUEUES 0 #define IEEE80211_DEFAULT_MAX_SP_LEN \ IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL +extern const u8 ieee80211_ac_to_qos_mask[IEEE80211_NUM_ACS]; + #define IEEE80211_DEAUTH_FRAME_LEN (24 /* hdr */ + 2 /* reason */) -struct ieee80211_fragment_entry { - unsigned long first_frag_time; - unsigned int seq; - unsigned int rx_queue; - unsigned int last_frag; - unsigned int extra_len; - struct sk_buff_head skb_list; - int ccmp; /* Whether fragments were encrypted with CCMP */ - u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ +#define IEEE80211_MAX_NAN_INSTANCE_ID 255 + +/* + * Current mac80211 implementation supports a maximum of 1600 AIDS + * for S1G interfaces. With regards to an S1G TIM, this covers 25 blocks + * as each block is 64 AIDs. + */ +#define IEEE80211_MAX_SUPPORTED_S1G_AID 1600 +#define IEEE80211_MAX_SUPPORTED_S1G_TIM_BLOCKS 25 + +enum ieee80211_status_data { + IEEE80211_STATUS_TYPE_MASK = 0x00f, + IEEE80211_STATUS_TYPE_INVALID = 0, + IEEE80211_STATUS_TYPE_SMPS = 1, + IEEE80211_STATUS_TYPE_NEG_TTLM = 2, + IEEE80211_STATUS_SUBDATA_MASK = 0x1ff0, }; +static inline bool +ieee80211_sta_keep_active(struct sta_info *sta, u8 ac) +{ + /* Keep a station's queues on the active list for deficit accounting + * purposes if it was active or queued during the last 100ms. + */ + return time_before_eq(jiffies, sta->airtime[ac].last_active + HZ / 10); +} struct ieee80211_bss { u32 device_ts_beacon, device_ts_presp; @@ -96,6 +122,8 @@ struct ieee80211_bss { size_t supp_rates_len; struct ieee80211_rate *beacon_rate; + u32 vht_cap_info; + /* * During association, we save an ERP value from a probe response so * that we can feed ERP info to the driver when handling the @@ -113,7 +141,7 @@ struct ieee80211_bss { }; /** - * enum ieee80211_corrupt_data_flags - BSS data corruption flags + * enum ieee80211_bss_corrupt_data_flags - BSS data corruption flags * @IEEE80211_BSS_CORRUPT_BEACON: last beacon frame received was corrupted * @IEEE80211_BSS_CORRUPT_PROBE_RESP: last probe response received was corrupted * @@ -126,14 +154,14 @@ enum ieee80211_bss_corrupt_data_flags { }; /** - * enum ieee80211_valid_data_flags - BSS valid data flags + * enum ieee80211_bss_valid_data_flags - BSS valid data flags * @IEEE80211_BSS_VALID_WMM: WMM/UAPSD data was gathered from non-corrupt IE * @IEEE80211_BSS_VALID_RATES: Supported rates were gathered from non-corrupt IE * @IEEE80211_BSS_VALID_ERP: ERP flag was gathered from non-corrupt IE * * These are bss flags that are attached to a bss in the * @valid_data field of &struct ieee80211_bss. They show which parts - * of the data structure were recieved as a result of an un-corrupted + * of the data structure were received as a result of an un-corrupted * beacon/probe response. */ enum ieee80211_bss_valid_data_flags { @@ -142,7 +170,7 @@ enum ieee80211_bss_valid_data_flags { IEEE80211_BSS_VALID_ERP = BIT(3) }; -typedef unsigned __bitwise__ ieee80211_tx_result; +typedef unsigned __bitwise ieee80211_tx_result; #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) #define TX_DROP ((__force ieee80211_tx_result) 1u) #define TX_QUEUED ((__force ieee80211_tx_result) 2u) @@ -162,18 +190,8 @@ struct ieee80211_tx_data { unsigned int flags; }; - -typedef unsigned __bitwise__ ieee80211_rx_result; -#define RX_CONTINUE ((__force ieee80211_rx_result) 0u) -#define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) -#define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) -#define RX_QUEUED ((__force ieee80211_rx_result) 3u) - /** * enum ieee80211_packet_rx_flags - packet RX flags - * @IEEE80211_RX_RA_MATCH: frame is destined to interface currently processed - * (incl. multicast frames) - * @IEEE80211_RX_FRAGMENTED: fragmented frame * @IEEE80211_RX_AMSDU: a-MSDU packet * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering @@ -182,8 +200,6 @@ typedef unsigned __bitwise__ ieee80211_rx_result; * @rx_flags field of &struct ieee80211_rx_status. */ enum ieee80211_packet_rx_flags { - IEEE80211_RX_RA_MATCH = BIT(1), - IEEE80211_RX_FRAGMENTED = BIT(2), IEEE80211_RX_AMSDU = BIT(3), IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4), IEEE80211_RX_DEFERRED_RELEASE = BIT(5), @@ -192,7 +208,6 @@ enum ieee80211_packet_rx_flags { /** * enum ieee80211_rx_flags - RX data flags * - * @IEEE80211_RX_CMNTR: received on cooked monitor already * @IEEE80211_RX_BEACON_REPORTED: This frame was already reported * to cfg80211_report_obss_beacon(). * @@ -200,15 +215,17 @@ enum ieee80211_packet_rx_flags { * for a single frame. */ enum ieee80211_rx_flags { - IEEE80211_RX_CMNTR = BIT(0), - IEEE80211_RX_BEACON_REPORTED = BIT(1), + IEEE80211_RX_BEACON_REPORTED = BIT(0), }; struct ieee80211_rx_data { + struct list_head *list; struct sk_buff *skb; struct ieee80211_local *local; struct ieee80211_sub_if_data *sdata; + struct ieee80211_link_data *link; struct sta_info *sta; + struct link_sta_info *link_sta; struct ieee80211_key *key; unsigned int flags; @@ -228,53 +245,102 @@ struct ieee80211_rx_data { */ int security_idx; - u32 tkip_iv32; - u16 tkip_iv16; + int link_id; + + union { + struct { + u32 iv32; + u16 iv16; + } tkip; + struct { + u8 pn[IEEE80211_CCMP_PN_LEN]; + } ccm_gcm; + }; +}; + +struct ieee80211_csa_settings { + const u16 *counter_offsets_beacon; + const u16 *counter_offsets_presp; + + int n_counter_offsets_beacon; + int n_counter_offsets_presp; + + u8 count; +}; + +struct ieee80211_color_change_settings { + u16 counter_offset_beacon; + u16 counter_offset_presp; + u8 count; }; struct beacon_data { u8 *head, *tail; int head_len, tail_len; + struct ieee80211_meshconf_ie *meshconf; + u16 cntdwn_counter_offsets[IEEE80211_MAX_CNTDWN_COUNTERS_NUM]; + u8 cntdwn_current_counter; + struct cfg80211_mbssid_elems *mbssid_ies; + struct cfg80211_rnr_elems *rnr_ies; struct rcu_head rcu_head; }; struct probe_resp { struct rcu_head rcu_head; int len; - u8 data[0]; + u16 cntdwn_counter_offsets[IEEE80211_MAX_CNTDWN_COUNTERS_NUM]; + u8 data[]; +}; + +struct fils_discovery_data { + struct rcu_head rcu_head; + int len; + u8 data[]; +}; + +struct unsol_bcast_probe_resp_data { + struct rcu_head rcu_head; + int len; + u8 data[]; +}; + +struct s1g_short_beacon_data { + struct rcu_head rcu_head; + u8 *short_head; + u8 *short_tail; + int short_head_len; + int short_tail_len; }; struct ps_data { /* yes, this looks ugly, but guarantees that we can later use * bitmap_empty :) * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ - u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; + u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)] + __aligned(__alignof__(unsigned long)); struct sk_buff_head bc_buf; atomic_t num_sta_ps; /* number of stations in PS mode */ int dtim_count; bool dtim_bc_mc; + int sb_count; /* num short beacons til next long beacon */ }; struct ieee80211_if_ap { - struct beacon_data __rcu *beacon; - struct probe_resp __rcu *probe_resp; - - struct list_head vlans; + struct list_head vlans; /* write-protected with RTNL and local->mtx */ struct ps_data ps; atomic_t num_mcast_sta; /* number of stations receiving multicast */ -}; -struct ieee80211_if_wds { - struct sta_info *sta; - u8 remote_addr[ETH_ALEN]; + bool multicast_to_unicast; + bool active; }; struct ieee80211_if_vlan { - struct list_head list; + struct list_head list; /* write-protected with RTNL and local->mtx */ /* used for all tx if the VLAN is configured to 4-addr mode */ struct sta_info __rcu *sta; + atomic_t num_mcast_sta; /* number of stations receiving multicast */ }; struct mesh_stats { @@ -283,7 +349,6 @@ struct mesh_stats { __u32 fwded_frames; /* Mesh total forwarded frames */ __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ __u32 dropped_frames_no_route; /* Not transmitted, no route found */ - __u32 dropped_frames_congestion;/* Not forwarded due to congestion */ }; #define PREQ_Q_F_START 0x1 @@ -294,26 +359,17 @@ struct mesh_preq_queue { u8 flags; }; -#if HZ/100 == 0 -#define IEEE80211_ROC_MIN_LEFT 1 -#else -#define IEEE80211_ROC_MIN_LEFT (HZ/100) -#endif - struct ieee80211_roc_work { struct list_head list; - struct list_head dependents; - - struct delayed_work work; struct ieee80211_sub_if_data *sdata; struct ieee80211_channel *chan; bool started, abort, hw_begun, notified; - bool to_be_freed; + bool on_channel; - unsigned long hw_start_time; + unsigned long start_time; u32 duration, req_duration; struct sk_buff *frame; @@ -323,31 +379,56 @@ struct ieee80211_roc_work { /* flags used in struct ieee80211_if_managed.flags */ enum ieee80211_sta_flags { - IEEE80211_STA_BEACON_POLL = BIT(0), IEEE80211_STA_CONNECTION_POLL = BIT(1), IEEE80211_STA_CONTROL_PORT = BIT(2), - IEEE80211_STA_DISABLE_HT = BIT(4), - IEEE80211_STA_CSA_RECEIVED = BIT(5), IEEE80211_STA_MFP_ENABLED = BIT(6), IEEE80211_STA_UAPSD_ENABLED = BIT(7), IEEE80211_STA_NULLFUNC_ACKED = BIT(8), - IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), - IEEE80211_STA_DISABLE_40MHZ = BIT(10), - IEEE80211_STA_DISABLE_VHT = BIT(11), - IEEE80211_STA_DISABLE_80P80MHZ = BIT(12), - IEEE80211_STA_DISABLE_160MHZ = BIT(13), + IEEE80211_STA_ENABLE_RRM = BIT(15), +}; + +enum ieee80211_conn_mode { + IEEE80211_CONN_MODE_S1G, + IEEE80211_CONN_MODE_LEGACY, + IEEE80211_CONN_MODE_HT, + IEEE80211_CONN_MODE_VHT, + IEEE80211_CONN_MODE_HE, + IEEE80211_CONN_MODE_EHT, }; +#define IEEE80211_CONN_MODE_HIGHEST IEEE80211_CONN_MODE_EHT + +enum ieee80211_conn_bw_limit { + IEEE80211_CONN_BW_LIMIT_20, + IEEE80211_CONN_BW_LIMIT_40, + IEEE80211_CONN_BW_LIMIT_80, + IEEE80211_CONN_BW_LIMIT_160, /* also 80+80 */ + IEEE80211_CONN_BW_LIMIT_320, +}; + +struct ieee80211_conn_settings { + enum ieee80211_conn_mode mode; + enum ieee80211_conn_bw_limit bw_limit; +}; + +extern const struct ieee80211_conn_settings ieee80211_conn_settings_unlimited; + struct ieee80211_mgd_auth_data { struct cfg80211_bss *bss; unsigned long timeout; int tries; u16 algorithm, expected_transaction; + unsigned long userspace_selectors[BITS_TO_LONGS(128)]; + u8 key[WLAN_KEY_LEN_WEP104]; u8 key_len, key_idx; - bool done; + bool done, waiting; + bool peer_confirmed; bool timeout_started; + int link_id; + + u8 ap_addr[ETH_ALEN] __aligned(2); u16 sae_trans, sae_status; size_t data_len; @@ -355,67 +436,117 @@ struct ieee80211_mgd_auth_data { }; struct ieee80211_mgd_assoc_data { - struct cfg80211_bss *bss; + struct { + struct cfg80211_bss *bss; + + u8 addr[ETH_ALEN] __aligned(2); + + u8 ap_ht_param; + + struct ieee80211_vht_cap ap_vht_cap; + + size_t elems_len; + u8 *elems; /* pointing to inside ie[] below */ + + struct ieee80211_conn_settings conn; + + u16 status; + + bool disabled; + } link[IEEE80211_MLD_MAX_NUM_LINKS]; + + u8 ap_addr[ETH_ALEN] __aligned(2); + + /* this is for a workaround, so we use it only for non-MLO */ const u8 *supp_rates; + u8 supp_rates_len; unsigned long timeout; int tries; - u16 capability; - u8 prev_bssid[ETH_ALEN]; + u8 prev_ap_addr[ETH_ALEN]; u8 ssid[IEEE80211_MAX_SSID_LEN]; u8 ssid_len; - u8 supp_rates_len; bool wmm, uapsd; bool need_beacon; bool synced; bool timeout_started; + bool comeback; /* whether the AP has requested association comeback */ + bool s1g; + bool spp_amsdu; + + s8 assoc_link_id; - u8 ap_ht_param; + __le16 ext_mld_capa_ops; - struct ieee80211_vht_cap ap_vht_cap; + u8 fils_nonces[2 * FILS_NONCE_LEN]; + u8 fils_kek[FILS_MAX_KEK_LEN]; + size_t fils_kek_len; size_t ie_len; + u8 *ie_pos; /* used to fill ie[] with link[].elems */ u8 ie[]; }; +struct ieee80211_sta_tx_tspec { + /* timestamp of the first packet in the time slice */ + unsigned long time_slice_start; + + u32 admitted_time; /* in usecs, unlike over the air */ + u8 tsid; + s8 up; /* signed to be able to invalidate with -1 during teardown */ + + /* consumed TX time in microseconds in the time slice */ + u32 consumed_tx_time; + enum { + TX_TSPEC_ACTION_NONE = 0, + TX_TSPEC_ACTION_DOWNGRADE, + TX_TSPEC_ACTION_STOP_DOWNGRADE, + } action; + bool downgraded; +}; + +/* Advertised TID-to-link mapping info */ +struct ieee80211_adv_ttlm_info { + /* time in TUs at which the new mapping is established, or 0 if there is + * no planned advertised TID-to-link mapping + */ + u16 switch_time; + u32 duration; /* duration of the planned T2L map in TUs */ + u16 map; /* map of usable links for all TIDs */ + bool active; /* whether the advertised mapping is active or not */ +}; + +DECLARE_EWMA(beacon_signal, 4, 4) + struct ieee80211_if_managed { struct timer_list timer; struct timer_list conn_mon_timer; struct timer_list bcn_mon_timer; - struct timer_list chswitch_timer; - struct work_struct monitor_work; - struct work_struct chswitch_work; - struct work_struct beacon_connection_loss_work; - struct work_struct csa_connection_drop_work; + struct wiphy_work monitor_work; + struct wiphy_work beacon_connection_loss_work; + struct wiphy_work csa_connection_drop_work; unsigned long beacon_timeout; unsigned long probe_timeout; int probe_send_count; bool nullfunc_failed; - bool connection_loss; + u8 connection_loss:1, + driver_disconnect:1, + reconnect:1, + associated:1; - struct cfg80211_bss *associated; struct ieee80211_mgd_auth_data *auth_data; struct ieee80211_mgd_assoc_data *assoc_data; - u8 bssid[ETH_ALEN]; - - u16 aid; + unsigned long userspace_selectors[BITS_TO_LONGS(128)]; bool powersave; /* powersave requested for this iface */ bool broken_ap; /* AP is broken -- turn off powersave */ - bool have_beacon; - u8 dtim_period; - enum ieee80211_smps_mode req_smps, /* requested smps mode */ - driver_smps_mode; /* smps mode request */ - - struct work_struct request_smps_work; unsigned int flags; - bool beacon_crc_valid; - u32 beacon_crc; + u16 mcast_seq_last; bool status_acked; bool status_received; @@ -441,53 +572,77 @@ struct ieee80211_if_managed { */ unsigned int uapsd_max_sp_len; - int wmm_last_param_set; - u8 use_4addr; - s16 p2p_noa_index; - - /* Signal strength from the last Beacon frame in the current BSS. */ - int last_beacon_signal; - - /* - * Weighted average of the signal strength from Beacon frames in the - * current BSS. This is in units of 1/16 of the signal unit to maintain - * accuracy and to speed up calculations, i.e., the value need to be - * divided by 16 to get the actual value. - */ - int ave_beacon_signal; - - /* - * Number of Beacon frames used in ave_beacon_signal. This can be used - * to avoid generating less reliable cqm events that would be based - * only on couple of received frames. - */ - unsigned int count_beacon_signal; - - /* - * Last Beacon frame signal strength average (ave_beacon_signal / 16) - * that triggered a cqm event. 0 indicates that no event has been - * generated for the current association. - */ - int last_cqm_event_signal; - /* * State variables for keeping track of RSSI of the AP currently * connected to and informing driver when RSSI has gone * below/above a certain threshold. */ int rssi_min_thold, rssi_max_thold; - int last_ave_beacon_signal; struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ struct ieee80211_vht_cap vht_capa; /* configured VHT overrides */ struct ieee80211_vht_cap vht_capa_mask; /* Valid parts of vht_capa */ + struct ieee80211_s1g_cap s1g_capa; /* configured S1G overrides */ + struct ieee80211_s1g_cap s1g_capa_mask; /* valid s1g_capa bits */ + + /* TDLS support */ + u8 tdls_peer[ETH_ALEN] __aligned(2); + struct wiphy_delayed_work tdls_peer_del_work; + struct sk_buff *orig_teardown_skb; /* The original teardown skb */ + struct sk_buff *teardown_skb; /* A copy to send through the AP */ + spinlock_t teardown_lock; /* To lock changing teardown_skb */ + bool tdls_wider_bw_prohibited; + + /* WMM-AC TSPEC support */ + struct ieee80211_sta_tx_tspec tx_tspec[IEEE80211_NUM_ACS]; + /* Use a separate work struct so that we can do something here + * while the sdata->work is flushing the queues, for example. + * otherwise, in scenarios where we hardly get any traffic out + * on the BE queue, but there's a lot of VO traffic, we might + * get stuck in a downgraded situation and flush takes forever. + */ + struct wiphy_delayed_work tx_tspec_wk; + + /* Information elements from the last transmitted (Re)Association + * Request frame. + */ + u8 *assoc_req_ies; + size_t assoc_req_ies_len; + + struct wiphy_hrtimer_work ml_reconf_work; + u16 removed_links; + + /* TID-to-link mapping support */ + struct wiphy_hrtimer_work ttlm_work; + struct ieee80211_adv_ttlm_info ttlm_info; + struct wiphy_work teardown_ttlm_work; + + /* dialog token enumerator for neg TTLM request */ + u8 dialog_token_alloc; + struct wiphy_delayed_work neg_ttlm_timeout_work; + + /* Locally initiated multi-link reconfiguration */ + struct { + struct ieee80211_mgd_assoc_data *add_links_data; + struct wiphy_delayed_work wk; + u16 removed_links; + u16 added_links; + u8 dialog_token; + } reconf; + + /* Support for epcs */ + struct { + bool enabled; + u8 dialog_token; + } epcs; }; struct ieee80211_if_ibss { struct timer_list timer; + struct wiphy_work csa_connection_drop_work; unsigned long last_scan_completed; @@ -498,6 +653,7 @@ struct ieee80211_if_ibss { bool privacy; bool control_port; + bool userspace_handles_dfs; u8 bssid[ETH_ALEN] __aligned(2); u8 ssid[IEEE80211_MAX_SSID_LEN]; @@ -509,6 +665,9 @@ struct ieee80211_if_ibss { /* probe response/beacon for IBSS */ struct beacon_data __rcu *presp; + struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ + struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ + spinlock_t incomplete_lock; struct list_head incomplete_stations; @@ -519,30 +678,92 @@ struct ieee80211_if_ibss { }; /** + * struct ieee80211_if_ocb - OCB mode state + * + * @housekeeping_timer: timer for periodic invocation of a housekeeping task + * @wrkq_flags: OCB deferred task action + * @incomplete_lock: delayed STA insertion lock + * @incomplete_stations: list of STAs waiting for delayed insertion + * @joined: indication if the interface is connected to an OCB network + */ +struct ieee80211_if_ocb { + struct timer_list housekeeping_timer; + unsigned long wrkq_flags; + + spinlock_t incomplete_lock; + struct list_head incomplete_stations; + + bool joined; +}; + +/** * struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface * * these declarations define the interface, which enables * vendor-specific mesh synchronization * + * @rx_bcn_presp: beacon/probe response was received + * @adjust_tsf: TSF adjustment method */ -struct ieee802_11_elems; struct ieee80211_mesh_sync_ops { - void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, - u16 stype, - struct ieee80211_mgmt *mgmt, - struct ieee802_11_elems *elems, + void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, u16 stype, + struct ieee80211_mgmt *mgmt, unsigned int len, + const struct ieee80211_meshconf_ie *mesh_cfg, struct ieee80211_rx_status *rx_status); - void (*adjust_tbtt)(struct ieee80211_sub_if_data *sdata); + + /* should be called with beacon_data under RCU read lock */ + void (*adjust_tsf)(struct ieee80211_sub_if_data *sdata, + struct beacon_data *beacon); /* add other framework functions here */ }; +struct mesh_csa_settings { + struct rcu_head rcu_head; + struct cfg80211_csa_settings settings; +}; + +/** + * struct mesh_table - mesh hash table + * + * @known_gates: list of known mesh gates and their mpaths by the station. The + * gate's mpath may or may not be resolved and active. + * @gates_lock: protects updates to known_gates + * @rhead: the rhashtable containing struct mesh_paths, keyed by dest addr + * @walk_head: linked list containing all mesh_path objects + * @walk_lock: lock protecting walk_head + * @entries: number of entries in the table + */ +struct mesh_table { + struct hlist_head known_gates; + spinlock_t gates_lock; + struct rhashtable rhead; + struct hlist_head walk_head; + spinlock_t walk_lock; + atomic_t entries; /* Up to MAX_MESH_NEIGHBOURS */ +}; + +/** + * struct mesh_tx_cache - mesh fast xmit header cache + * + * @rht: hash table containing struct ieee80211_mesh_fast_tx, using skb DA as key + * @walk_head: linked list containing all ieee80211_mesh_fast_tx objects + * @walk_lock: lock protecting walk_head and rht + */ +struct mesh_tx_cache { + struct rhashtable rht; + struct hlist_head walk_head; + spinlock_t walk_lock; +}; + struct ieee80211_if_mesh { struct timer_list housekeeping_timer; struct timer_list mesh_path_timer; struct timer_list mesh_path_root_timer; unsigned long wrkq_flags; - unsigned long mbss_changed; + unsigned long mbss_changed[64 / BITS_PER_LONG]; + + bool userspace_handles_dfs; u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; size_t mesh_id_len; @@ -574,7 +795,7 @@ struct ieee80211_if_mesh { struct mesh_stats mshstats; struct mesh_config mshcfg; atomic_t estab_plinks; - u32 mesh_seqnum; + atomic_t mesh_seqnum; bool accepting_plinks; int num_gates; struct beacon_data __rcu *beacon; @@ -590,12 +811,29 @@ struct ieee80211_if_mesh { const struct ieee80211_mesh_sync_ops *sync_ops; s64 sync_offset_clockdrift_max; spinlock_t sync_offset_lock; - bool adjusting_tbtt; /* mesh power save */ enum nl80211_mesh_power_mode nonpeer_pm; int ps_peers_light_sleep; int ps_peers_deep_sleep; struct ps_data ps; + /* Channel Switching Support */ + struct mesh_csa_settings __rcu *csa; + enum { + IEEE80211_MESH_CSA_ROLE_NONE, + IEEE80211_MESH_CSA_ROLE_INIT, + IEEE80211_MESH_CSA_ROLE_REPEATER, + } csa_role; + u8 chsw_ttl; + u16 pre_value; + + /* offset from skb->data while building IE */ + int meshconf_offset; + + struct mesh_table mesh_paths; + struct mesh_table mpp_paths; /* Store paths for MPP&MAP */ + int mesh_paths_generation; + int mpp_paths_generation; + struct mesh_tx_cache tx_cache; }; #ifdef CONFIG_MAC80211_MESH @@ -610,21 +848,20 @@ struct ieee80211_if_mesh { * enum ieee80211_sub_if_data_flags - virtual interface flags * * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets - * @IEEE80211_SDATA_PROMISC: interface is promisc - * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between * associated stations and deliver multicast frames both * back to wireless media and to the local net stack. * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver + * @IEEE80211_SDATA_DISCONNECT_HW_RESTART: Disconnect after hardware restart + * recovery */ enum ieee80211_sub_if_data_flags { IEEE80211_SDATA_ALLMULTI = BIT(0), - IEEE80211_SDATA_PROMISC = BIT(1), - IEEE80211_SDATA_OPERATING_GMODE = BIT(2), IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), IEEE80211_SDATA_IN_DRIVER = BIT(5), + IEEE80211_SDATA_DISCONNECT_HW_RESTART = BIT(6), }; /** @@ -657,17 +894,229 @@ enum ieee80211_chanctx_mode { IEEE80211_CHANCTX_EXCLUSIVE }; +/** + * enum ieee80211_chanctx_replace_state - channel context replacement state + * + * This is used for channel context in-place reservations that require channel + * context switch/swap. + * + * @IEEE80211_CHANCTX_REPLACE_NONE: no replacement is taking place + * @IEEE80211_CHANCTX_WILL_BE_REPLACED: this channel context will be replaced + * by a (not yet registered) channel context pointed by %replace_ctx. + * @IEEE80211_CHANCTX_REPLACES_OTHER: this (not yet registered) channel context + * replaces an existing channel context pointed to by %replace_ctx. + */ +enum ieee80211_chanctx_replace_state { + IEEE80211_CHANCTX_REPLACE_NONE, + IEEE80211_CHANCTX_WILL_BE_REPLACED, + IEEE80211_CHANCTX_REPLACES_OTHER, +}; + struct ieee80211_chanctx { struct list_head list; struct rcu_head rcu_head; + enum ieee80211_chanctx_replace_state replace_state; + struct ieee80211_chanctx *replace_ctx; + enum ieee80211_chanctx_mode mode; - int refcount; bool driver_present; + /* temporary data for search algorithm etc. */ + struct ieee80211_chan_req req; + + bool radar_detected; + + /* MUST be last - ends in a flexible-array member. */ struct ieee80211_chanctx_conf conf; }; +struct mac80211_qos_map { + struct cfg80211_qos_map qos_map; + struct rcu_head rcu_head; +}; + +enum txq_info_flags { + IEEE80211_TXQ_STOP, + IEEE80211_TXQ_AMPDU, + IEEE80211_TXQ_NO_AMSDU, + IEEE80211_TXQ_DIRTY, +}; + +/** + * struct txq_info - per tid queue + * + * @tin: contains packets split into multiple flows + * @def_cvars: codel vars for the @tin's default_flow + * @cstats: code statistics for this queue + * @frags: used to keep fragments created after dequeue + * @schedule_order: used with ieee80211_local->active_txqs + * @schedule_round: counter to prevent infinite loops on TXQ scheduling + * @flags: TXQ flags from &enum txq_info_flags + * @txq: the driver visible part + */ +struct txq_info { + struct fq_tin tin; + struct codel_vars def_cvars; + struct codel_stats cstats; + + u16 schedule_round; + struct list_head schedule_order; + + struct sk_buff_head frags; + + unsigned long flags; + + /* keep last! */ + struct ieee80211_txq txq; +}; + +struct ieee80211_if_mntr { + u32 flags; + u8 mu_follow_addr[ETH_ALEN] __aligned(2); + + struct list_head list; +}; + +/** + * struct ieee80211_if_nan - NAN state + * + * @conf: current NAN configuration + * @started: true iff NAN is started + * @func_lock: lock for @func_inst_ids + * @function_inst_ids: a bitmap of available instance_id's + */ +struct ieee80211_if_nan { + struct cfg80211_nan_conf conf; + bool started; + + /* protects function_inst_ids */ + spinlock_t func_lock; + struct idr function_inst_ids; +}; + +struct ieee80211_link_data_managed { + u8 bssid[ETH_ALEN] __aligned(2); + + u8 dtim_period; + enum ieee80211_smps_mode req_smps, /* requested smps mode */ + driver_smps_mode; /* smps mode request */ + + struct ieee80211_conn_settings conn; + + s16 p2p_noa_index; + + bool tdls_chan_switch_prohibited; + + bool have_beacon; + bool tracking_signal_avg; + bool disable_wmm_tracking; + bool operating_11g_mode; + + struct { + struct wiphy_hrtimer_work switch_work; + struct cfg80211_chan_def ap_chandef; + struct ieee80211_parsed_tpe tpe; + ktime_t time; + bool waiting_bcn; + bool ignored_same_chan; + bool blocked_tx; + } csa; + + struct wiphy_work request_smps_work; + /* used to reconfigure hardware SM PS */ + struct wiphy_work recalc_smps; + + bool beacon_crc_valid; + u32 beacon_crc; + struct ewma_beacon_signal ave_beacon_signal; + int last_ave_beacon_signal; + + /* + * Number of Beacon frames used in ave_beacon_signal. This can be used + * to avoid generating less reliable cqm events that would be based + * only on couple of received frames. + */ + unsigned int count_beacon_signal; + + /* Number of times beacon loss was invoked. */ + unsigned int beacon_loss_count; + + /* + * Last Beacon frame signal strength average (ave_beacon_signal / 16) + * that triggered a cqm event. 0 indicates that no event has been + * generated for the current association. + */ + int last_cqm_event_signal; + + int wmm_last_param_set; + int mu_edca_last_param_set; +}; + +struct ieee80211_link_data_ap { + struct beacon_data __rcu *beacon; + struct probe_resp __rcu *probe_resp; + struct fils_discovery_data __rcu *fils_discovery; + struct unsol_bcast_probe_resp_data __rcu *unsol_bcast_probe_resp; + struct s1g_short_beacon_data __rcu *s1g_short_beacon; + + /* to be used after channel switch. */ + struct cfg80211_beacon_data *next_beacon; +}; + +struct ieee80211_link_data { + struct ieee80211_sub_if_data *sdata; + unsigned int link_id; + + /* multicast keys only */ + struct ieee80211_key __rcu *gtk[NUM_DEFAULT_KEYS + + NUM_DEFAULT_MGMT_KEYS + + NUM_DEFAULT_BEACON_KEYS]; + struct ieee80211_key __rcu *default_multicast_key; + struct ieee80211_key __rcu *default_mgmt_key; + struct ieee80211_key __rcu *default_beacon_key; + + + bool operating_11g_mode; + + struct { + struct wiphy_work finalize_work; + struct ieee80211_chan_req chanreq; + } csa; + + struct wiphy_work color_change_finalize_work; + struct wiphy_delayed_work color_collision_detect_work; + u64 color_bitmap; + + /* context reservation -- protected with wiphy mutex */ + struct ieee80211_chanctx *reserved_chanctx; + struct ieee80211_chan_req reserved; + bool reserved_radar_required; + bool reserved_ready; + + u8 needed_rx_chains; + enum ieee80211_smps_mode smps_mode; + + int user_power_level; /* in dBm */ + int ap_power_level; /* in dBm */ + + bool radar_required; + struct wiphy_delayed_work dfs_cac_timer_work; + + union { + struct ieee80211_link_data_managed mgd; + struct ieee80211_link_data_ap ap; + } u; + + struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS]; + + struct ieee80211_bss_conf *conf; + +#ifdef CONFIG_MAC80211_DEBUGFS + struct dentry *debugfs_dir; +#endif +}; + struct ieee80211_sub_if_data { struct list_head list; @@ -679,7 +1128,7 @@ struct ieee80211_sub_if_data { /* count for keys needing tailroom space allocation */ int crypto_tx_tailroom_needed_cnt; int crypto_tx_tailroom_pending_dec; - struct delayed_work dec_tailroom_needed_wk; + struct wiphy_delayed_work dec_tailroom_needed_wk; struct net_device *dev; struct ieee80211_local *local; @@ -688,13 +1137,9 @@ struct ieee80211_sub_if_data { unsigned long state; - int drop_unencrypted; - char name[IFNAMSIZ]; - /* Fragment table for host-based reassembly */ - struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; - unsigned int fragment_next; + struct ieee80211_fragment_cache frags; /* TID bitmap for NoAck policy */ u16 noack_map; @@ -702,31 +1147,22 @@ struct ieee80211_sub_if_data { /* bit field of ACM bits (BIT(802.1D tag)) */ u8 wmm_acm; - struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; + struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS]; struct ieee80211_key __rcu *default_unicast_key; - struct ieee80211_key __rcu *default_multicast_key; - struct ieee80211_key __rcu *default_mgmt_key; u16 sequence_number; + u16 mld_mcast_seq; __be16 control_port_protocol; bool control_port_no_encrypt; + bool control_port_no_preauth; + bool control_port_over_nl80211; - struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS]; - - /* used to reconfigure hardware SM PS */ - struct work_struct recalc_smps; + atomic_t num_tx_queued; + struct mac80211_qos_map __rcu *qos_map; - struct work_struct work; + struct wiphy_work work; struct sk_buff_head skb_queue; - - u8 needed_rx_chains; - enum ieee80211_smps_mode smps_mode; - - int user_power_level; /* in dBm */ - int ap_power_level; /* in dBm */ - - bool radar_required; - struct delayed_work dfs_cac_timer_work; + struct sk_buff_head status_queue; /* * AP this belongs to: self in AP mode and @@ -736,24 +1172,37 @@ struct ieee80211_sub_if_data { struct ieee80211_if_ap *bss; /* bitmap of allowed (non-MCS) rate indexes for rate control */ - u32 rc_rateidx_mask[IEEE80211_NUM_BANDS]; + u32 rc_rateidx_mask[NUM_NL80211_BANDS]; + + bool rc_has_mcs_mask[NUM_NL80211_BANDS]; + u8 rc_rateidx_mcs_mask[NUM_NL80211_BANDS][IEEE80211_HT_MCS_MASK_LEN]; - bool rc_has_mcs_mask[IEEE80211_NUM_BANDS]; - u8 rc_rateidx_mcs_mask[IEEE80211_NUM_BANDS][IEEE80211_HT_MCS_MASK_LEN]; + bool rc_has_vht_mcs_mask[NUM_NL80211_BANDS]; + u16 rc_rateidx_vht_mcs_mask[NUM_NL80211_BANDS][NL80211_VHT_NSS_MAX]; + + /* Beacon frame (non-MCS) rate (as a bitmap) */ + u32 beacon_rateidx_mask[NUM_NL80211_BANDS]; + bool beacon_rate_set; union { struct ieee80211_if_ap ap; - struct ieee80211_if_wds wds; struct ieee80211_if_vlan vlan; struct ieee80211_if_managed mgd; struct ieee80211_if_ibss ibss; struct ieee80211_if_mesh mesh; - u32 mntr_flags; + struct ieee80211_if_ocb ocb; + struct ieee80211_if_mntr mntr; + struct ieee80211_if_nan nan; } u; - spinlock_t cleanup_stations_lock; - struct list_head cleanup_stations; - struct work_struct cleanup_stations_wk; + struct ieee80211_link_data deflink; + struct ieee80211_link_data __rcu *link[IEEE80211_MLD_MAX_NUM_LINKS]; + + /* for ieee80211_set_active_links_async() */ + struct wiphy_work activate_links_work; + u16 desired_active_links; + + u16 restart_active_links; #ifdef CONFIG_MAC80211_DEBUGFS struct { @@ -761,9 +1210,11 @@ struct ieee80211_sub_if_data { struct dentry *default_unicast_key; struct dentry *default_multicast_key; struct dentry *default_mgmt_key; + struct dentry *default_beacon_key; } debugfs; #endif + u32 tx_handlers_drop; /* must be last, dynamically sized area in this! */ struct ieee80211_vif vif; }; @@ -774,47 +1225,99 @@ struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) return container_of(p, struct ieee80211_sub_if_data, vif); } -static inline void sdata_lock(struct ieee80211_sub_if_data *sdata) - __acquires(&sdata->wdev.mtx) -{ - mutex_lock(&sdata->wdev.mtx); - __acquire(&sdata->wdev.mtx); -} +#define sdata_dereference(p, sdata) \ + wiphy_dereference(sdata->local->hw.wiphy, p) + +#define for_each_sdata_link(_local, _link) \ + /* outer loop just to define the variables ... */ \ + for (struct ieee80211_sub_if_data *___sdata = NULL; \ + !___sdata; \ + ___sdata = (void *)~0 /* always stop */) \ + for (int ___link_id = ARRAY_SIZE(___sdata->link); \ + ___link_id; ___link_id = 0 /* always stop */) \ + list_for_each_entry(___sdata, &(_local)->interfaces, list) \ + if (___link_id == ARRAY_SIZE(___sdata->link) && \ + ieee80211_sdata_running(___sdata)) \ + for (___link_id = 0; \ + ___link_id < ARRAY_SIZE(___sdata->link); \ + ___link_id++) \ + if ((_link = wiphy_dereference((_local)->hw.wiphy, \ + ___sdata->link[___link_id]))) -static inline void sdata_unlock(struct ieee80211_sub_if_data *sdata) - __releases(&sdata->wdev.mtx) -{ - mutex_unlock(&sdata->wdev.mtx); - __release(&sdata->wdev.mtx); -} +/* + * for_each_sdata_link_rcu() must be used under RCU read lock. + */ +#define for_each_sdata_link_rcu(_local, _link) \ + /* outer loop just to define the variables ... */ \ + for (struct ieee80211_sub_if_data *___sdata = NULL; \ + !___sdata; \ + ___sdata = (void *)~0 /* always stop */) \ + for (int ___link_id = ARRAY_SIZE(___sdata->link); \ + ___link_id; ___link_id = 0 /* always stop */) \ + list_for_each_entry(___sdata, &(_local)->interfaces, list) \ + if (___link_id == ARRAY_SIZE(___sdata->link) && \ + ieee80211_sdata_running(___sdata)) \ + for (___link_id = 0; \ + ___link_id < ARRAY_SIZE((___sdata)->link); \ + ___link_id++) \ + if ((_link = rcu_dereference((___sdata)->link[___link_id]))) + +#define for_each_link_data(sdata, __link) \ + /* outer loop just to define the variable ... */ \ + for (struct ieee80211_sub_if_data *__sdata = (sdata); __sdata; \ + __sdata = NULL /* always stop */) \ + for (int __link_id = 0; \ + __link_id < ARRAY_SIZE((__sdata)->link); __link_id++) \ + if ((!(__sdata)->vif.valid_links || \ + (__sdata)->vif.valid_links & BIT(__link_id)) && \ + ((__link) = sdata_dereference((__sdata)->link[__link_id], \ + (__sdata)))) -static inline void -sdata_assert_lock(struct ieee80211_sub_if_data *sdata) +/* + * for_each_link_data_rcu should be used under RCU read lock. + */ +#define for_each_link_data_rcu(sdata, __link) \ + /* outer loop just to define the variable ... */ \ + for (struct ieee80211_sub_if_data *__sdata = (sdata); __sdata; \ + __sdata = NULL /* always stop */) \ + for (int __link_id = 0; \ + __link_id < ARRAY_SIZE((__sdata)->link); __link_id++) \ + if ((!(__sdata)->vif.valid_links || \ + (__sdata)->vif.valid_links & BIT(__link_id)) && \ + ((__link) = rcu_dereference((__sdata)->link[__link_id]))) \ + +static inline int +ieee80211_get_mbssid_beacon_len(struct cfg80211_mbssid_elems *elems, + struct cfg80211_rnr_elems *rnr_elems, + u8 i) { - lockdep_assert_held(&sdata->wdev.mtx); -} + int len = 0; + + if (!elems || !elems->cnt || i > elems->cnt) + return 0; + + if (i < elems->cnt) { + len = elems->elem[i].len; + if (rnr_elems) { + len += rnr_elems->elem[i].len; + for (i = elems->cnt; i < rnr_elems->cnt; i++) + len += rnr_elems->elem[i].len; + } + return len; + } -static inline enum ieee80211_band -ieee80211_get_sdata_band(struct ieee80211_sub_if_data *sdata) -{ - enum ieee80211_band band = IEEE80211_BAND_2GHZ; - struct ieee80211_chanctx_conf *chanctx_conf; + /* i == elems->cnt, calculate total length of all MBSSID elements */ + for (i = 0; i < elems->cnt; i++) + len += elems->elem[i].len; - rcu_read_lock(); - chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); - if (!WARN_ON(!chanctx_conf)) - band = chanctx_conf->def.chan->band; - rcu_read_unlock(); + if (rnr_elems) { + for (i = 0; i < rnr_elems->cnt; i++) + len += rnr_elems->elem[i].len; + } - return band; + return len; } -enum sdata_queue_type { - IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0, - IEEE80211_SDATA_QUEUE_AGG_START = 1, - IEEE80211_SDATA_QUEUE_AGG_STOP = 2, -}; - enum { IEEE80211_RX_MSG = 1, IEEE80211_TX_STATUS_MSG = 2, @@ -829,15 +1332,20 @@ enum queue_stop_reason { IEEE80211_QUEUE_STOP_REASON_SKB_ADD, IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL, IEEE80211_QUEUE_STOP_REASON_FLUSH, + IEEE80211_QUEUE_STOP_REASON_TDLS_TEARDOWN, + IEEE80211_QUEUE_STOP_REASON_RESERVE_TID, + IEEE80211_QUEUE_STOP_REASON_IFTYPE_CHANGE, + + IEEE80211_QUEUE_STOP_REASONS, }; #ifdef CONFIG_MAC80211_LEDS struct tpt_led_trigger { - struct led_trigger trig; char name[32]; const struct ieee80211_tpt_blink *blink_table; unsigned int blink_table_len; struct timer_list timer; + struct ieee80211_local *local; unsigned long prev_traffic; unsigned long tx_bytes, rx_bytes; unsigned int active, want; @@ -846,7 +1354,7 @@ struct tpt_led_trigger { #endif /** - * mac80211 scan flags - currently active scan mode + * enum mac80211_scan_flags - currently active scan mode * * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as * well be on the operating channel @@ -858,13 +1366,21 @@ struct tpt_led_trigger { * that the scan completed. * @SCAN_ABORTED: Set for our scan work function when the driver reported * a scan complete for an aborted scan. + * @SCAN_HW_CANCELLED: Set for our scan work function when the scan is being + * cancelled. + * @SCAN_BEACON_WAIT: Set whenever we're passive scanning because of radar/no-IR + * and could send a probe request after receiving a beacon. + * @SCAN_BEACON_DONE: Beacon received, we can now send a probe request */ -enum { +enum mac80211_scan_flags { SCAN_SW_SCANNING, SCAN_HW_SCANNING, SCAN_ONCHANNEL_SCANNING, SCAN_COMPLETED, SCAN_ABORTED, + SCAN_HW_CANCELLED, + SCAN_BEACON_WAIT, + SCAN_BEACON_DONE, }; /** @@ -889,12 +1405,33 @@ enum mac80211_scan_state { SCAN_ABORT, }; +DECLARE_STATIC_KEY_FALSE(aql_disable); + struct ieee80211_local { /* embed the driver visible part. * don't cast (use the static inlines below), but we keep * it first anyway so they become a no-op */ struct ieee80211_hw hw; + struct fq fq; + struct codel_vars *cvars; + struct codel_params cparams; + + /* protects active_txqs and txqi->schedule_order */ + spinlock_t active_txq_lock[IEEE80211_NUM_ACS]; + struct list_head active_txqs[IEEE80211_NUM_ACS]; + u16 schedule_round[IEEE80211_NUM_ACS]; + + /* serializes ieee80211_handle_wake_tx_queue */ + spinlock_t handle_wake_tx_queue_lock; + + u16 airtime_flags; + u32 aql_txq_limit_low[IEEE80211_NUM_ACS]; + u32 aql_txq_limit_high[IEEE80211_NUM_ACS]; + u32 aql_threshold; + atomic_t aql_total_pending_airtime; + atomic_t aql_ac_pending_airtime[IEEE80211_NUM_ACS]; + const struct ieee80211_ops *ops; /* @@ -904,26 +1441,27 @@ struct ieee80211_local { struct workqueue_struct *workqueue; unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; + int q_stop_reasons[IEEE80211_MAX_QUEUES][IEEE80211_QUEUE_STOP_REASONS]; /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ spinlock_t queue_stop_reason_lock; int open_count; - int monitors, cooked_mntrs; + int monitors, virt_monitors, tx_mntrs; /* number of interfaces with corresponding FIF_ flags */ int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, fif_probe_req; - int probe_req_reg; + bool probe_req_reg; + bool rx_mcast_action_reg; unsigned int filter_flags; /* FIF_* */ - bool wiphy_ciphers_allocated; - - bool use_chanctx; + struct cfg80211_chan_def dflt_chandef; + bool emulate_chanctx; /* protects the aggregated multicast list and filter calls */ spinlock_t filter_lock; /* used for uploading changed mc list */ - struct work_struct reconfig_filter; + struct wiphy_work reconfig_filter; /* aggregated multicast list */ struct netdev_hw_addr_list mc_list; @@ -938,6 +1476,9 @@ struct ieee80211_local { */ bool suspended; + /* suspending is true during the whole suspend process */ + bool suspending; + /* * Resuming is true while suspended, but when we're reprogramming the * hardware -- at that time it's allowed to use ieee80211_queue_work() @@ -958,16 +1499,20 @@ struct ieee80211_local { /* device is during a HW reconfig */ bool in_reconfig; + /* reconfiguration failed ... suppress some warnings etc. */ + bool reconfig_failure; + /* wowlan is enabled -- don't reconfig on resume */ bool wowlan; - /* DFS/radar detection is enabled */ - bool radar_detect_enabled; - struct work_struct radar_detected_work; + struct wiphy_work radar_detected_work; /* number of RX chains the hardware has */ u8 rx_chains; + /* bitmap of which sbands were copied */ + u8 sband_allocated; + int tx_headroom; /* required headroom for hardware/radiotap */ /* Tasklet and skb queue to process calls from IRQ mode. All frames @@ -983,73 +1528,75 @@ struct ieee80211_local { /* Station data */ /* - * The mutex only protects the list, hash table and - * counter, reads are done with RCU. + * The list, hash table and counter are protected + * by the wiphy mutex, reads are done with RCU. */ - struct mutex sta_mtx; spinlock_t tim_lock; unsigned long num_sta; struct list_head sta_list; - struct sta_info __rcu *sta_hash[STA_HASH_SIZE]; + struct rhltable sta_hash; + struct rhltable link_sta_hash; struct timer_list sta_cleanup; int sta_generation; struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; struct tasklet_struct tx_pending_tasklet; + struct tasklet_struct wake_txqs_tasklet; atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; - /* number of interfaces with corresponding IFF_ flags */ - atomic_t iff_allmultis, iff_promiscs; + /* number of interfaces with allmulti RX */ + atomic_t iff_allmultis; struct rate_control_ref *rate_ctrl; - struct crypto_cipher *wep_tx_tfm; - struct crypto_cipher *wep_rx_tfm; + struct arc4_ctx wep_tx_ctx; + struct arc4_ctx wep_rx_ctx; u32 wep_iv; /* see iface.c */ struct list_head interfaces; + struct list_head mon_list; /* only that are IFF_UP */ struct mutex iflist_mtx; - /* - * Key mutex, protects sdata's key_list and sta_info's - * key pointers (write access, they're RCU.) - */ - struct mutex key_mtx; - - /* mutex for scan and work locking */ - struct mutex mtx; - /* Scanning and BSS list */ unsigned long scanning; struct cfg80211_ssid scan_ssid; struct cfg80211_scan_request *int_scan_req; - struct cfg80211_scan_request *scan_req, *hw_scan_req; - struct ieee80211_channel *scan_channel; - enum ieee80211_band hw_scan_band; + struct cfg80211_scan_request __rcu *scan_req; + struct ieee80211_scan_request *hw_scan_req; + struct cfg80211_chan_def scan_chandef; + enum nl80211_band hw_scan_band; int scan_channel_idx; int scan_ies_len; int hw_scan_ies_bufsize; + struct cfg80211_scan_info scan_info; - struct work_struct sched_scan_stopped_work; + struct wiphy_work sched_scan_stopped_work; struct ieee80211_sub_if_data __rcu *sched_scan_sdata; + struct cfg80211_sched_scan_request __rcu *sched_scan_req; + u8 scan_addr[ETH_ALEN]; unsigned long leave_oper_channel_time; enum mac80211_scan_state next_scan_state; - struct delayed_work scan_work; + struct wiphy_delayed_work scan_work; struct ieee80211_sub_if_data __rcu *scan_sdata; - struct cfg80211_chan_def csa_chandef; - /* For backward compatibility only -- do not use */ - struct cfg80211_chan_def _oper_chandef; /* Temporary remain-on-channel for off-channel operations */ struct ieee80211_channel *tmp_channel; /* channel contexts */ struct list_head chanctx_list; - struct mutex chanctx_mtx; +#ifdef CONFIG_MAC80211_LEDS + struct led_trigger tx_led, rx_led, assoc_led, radio_led; + struct led_trigger tpt_led; + atomic_t tx_led_active, rx_led_active, assoc_led_active; + atomic_t radio_led_active, tpt_led_active; + struct tpt_led_trigger *tpt_led_trigger; +#endif + +#ifdef CONFIG_MAC80211_DEBUG_COUNTERS /* SNMP counters */ /* dot11CountersTable */ u32 dot11TransmittedFragmentCount; @@ -1062,20 +1609,8 @@ struct ieee80211_local { u32 dot11MulticastReceivedFrameCount; u32 dot11TransmittedFrameCount; -#ifdef CONFIG_MAC80211_LEDS - int tx_led_counter, rx_led_counter; - struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; - struct tpt_led_trigger *tpt_led_trigger; - char tx_led_name[32], rx_led_name[32], - assoc_led_name[32], radio_led_name[32]; -#endif - -#ifdef CONFIG_MAC80211_DEBUG_COUNTERS /* TX/RX handler statistics */ - unsigned int tx_handlers_drop; unsigned int tx_handlers_queued; - unsigned int tx_handlers_drop_unencrypted; - unsigned int tx_handlers_drop_fragment; unsigned int tx_handlers_drop_wep; unsigned int tx_handlers_drop_not_assoc; unsigned int tx_handlers_drop_unauth_port; @@ -1083,11 +1618,9 @@ struct ieee80211_local { unsigned int rx_handlers_queued; unsigned int rx_handlers_drop_nullfunc; unsigned int rx_handlers_drop_defrag; - unsigned int rx_handlers_drop_short; unsigned int tx_expand_skb_head; unsigned int tx_expand_skb_head_cloned; - unsigned int rx_expand_skb_head; - unsigned int rx_expand_skb_head2; + unsigned int rx_expand_skb_head_defrag; unsigned int rx_handlers_fragments; unsigned int tx_status_drop; #define I802_DEBUG_INC(c) (c)++ @@ -1101,16 +1634,14 @@ struct ieee80211_local { */ bool pspolling; - bool offchannel_ps_enabled; /* * PS can only be enabled when we have exactly one managed * interface (and monitors) in PS, this then points there. */ struct ieee80211_sub_if_data *ps_sdata; - struct work_struct dynamic_ps_enable_work; - struct work_struct dynamic_ps_disable_work; + struct wiphy_work dynamic_ps_enable_work; + struct wiphy_work dynamic_ps_disable_work; struct timer_list dynamic_ps_timer; - struct notifier_block network_latency_notifier; struct notifier_block ifa_notifier; struct notifier_block ifa6_notifier; @@ -1122,8 +1653,6 @@ struct ieee80211_local { int user_power_level; /* in dBm, for all interfaces */ - enum ieee80211_smps_mode smps_mode; - struct work_struct restart_work; #ifdef CONFIG_MAC80211_DEBUGFS @@ -1131,28 +1660,33 @@ struct ieee80211_local { struct dentry *rcdir; struct dentry *keys; } debugfs; + bool force_tx_status; #endif /* * Remain-on-channel support */ + struct wiphy_delayed_work roc_work; struct list_head roc_list; - struct work_struct hw_roc_start, hw_roc_done; + struct wiphy_work hw_roc_start, hw_roc_done; unsigned long hw_roc_start_time; u64 roc_cookie_counter; struct idr ack_status_frames; spinlock_t ack_status_lock; - struct ieee80211_sub_if_data __rcu *p2p_sdata; - /* virtual monitor interface */ struct ieee80211_sub_if_data __rcu *monitor_sdata; - struct cfg80211_chan_def monitor_chandef; + struct ieee80211_chan_req monitor_chanreq; + + /* extended capabilities provided by mac80211 */ + u8 ext_capa[8]; + + bool wbrf_supported; }; static inline struct ieee80211_sub_if_data * -IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) +IEEE80211_DEV_TO_SUB_IF(const struct net_device *dev) { return netdev_priv(dev); } @@ -1163,24 +1697,84 @@ IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev) return container_of(wdev, struct ieee80211_sub_if_data, wdev); } -/* this struct represents 802.11n's RA/TID combination */ -struct ieee80211_ra_tid { - u8 ra[ETH_ALEN]; - u16 tid; +static inline struct ieee80211_supported_band * +ieee80211_get_sband(struct ieee80211_sub_if_data *sdata) +{ + struct ieee80211_local *local = sdata->local; + struct ieee80211_chanctx_conf *chanctx_conf; + enum nl80211_band band; + + WARN_ON(ieee80211_vif_is_mld(&sdata->vif)); + + rcu_read_lock(); + chanctx_conf = rcu_dereference(sdata->vif.bss_conf.chanctx_conf); + + if (!chanctx_conf) { + rcu_read_unlock(); + return NULL; + } + + band = chanctx_conf->def.chan->band; + rcu_read_unlock(); + + return local->hw.wiphy->bands[band]; +} + +static inline struct ieee80211_supported_band * +ieee80211_get_link_sband(struct ieee80211_link_data *link) +{ + struct ieee80211_local *local = link->sdata->local; + struct ieee80211_chanctx_conf *chanctx_conf; + enum nl80211_band band; + + rcu_read_lock(); + chanctx_conf = rcu_dereference(link->conf->chanctx_conf); + if (!chanctx_conf) { + rcu_read_unlock(); + return NULL; + } + + band = chanctx_conf->def.chan->band; + rcu_read_unlock(); + + return local->hw.wiphy->bands[band]; +} + +/* this struct holds the value parsing from channel switch IE */ +struct ieee80211_csa_ie { + struct ieee80211_chan_req chanreq; + u8 mode; + u8 count; + u8 ttl; + u16 pre_value; + u16 reason_code; + u32 max_switch_time; +}; + +enum ieee80211_elems_parse_error { + IEEE80211_PARSE_ERR_INVALID_END = BIT(0), + IEEE80211_PARSE_ERR_DUP_ELEM = BIT(1), + IEEE80211_PARSE_ERR_BAD_ELEM_SIZE = BIT(2), + IEEE80211_PARSE_ERR_UNEXPECTED_ELEM = BIT(3), + IEEE80211_PARSE_ERR_DUP_NEST_ML_BASIC = BIT(4), }; /* Parsed Information Elements */ struct ieee802_11_elems { const u8 *ie_start; size_t total_len; + u32 crc; /* pointers to IEs */ + const struct ieee80211_tdls_lnkie *lnk_id; + const struct ieee80211_ch_switch_timing *ch_sw_timing; + const u8 *ext_capab; const u8 *ssid; const u8 *supp_rates; const u8 *ds_params; 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; @@ -1190,6 +1784,12 @@ struct ieee802_11_elems { const struct ieee80211_vht_cap *vht_cap_elem; const struct ieee80211_vht_operation *vht_operation; const struct ieee80211_meshconf_ie *mesh_config; + const u8 *he_cap; + const struct ieee80211_he_operation *he_operation; + const struct ieee80211_he_spr *he_spr; + const struct ieee80211_mu_edca_param_set *mu_edca_param_set; + const struct ieee80211_he_6ghz_capa *he_6ghz_capa; + const u8 *uora_element; const u8 *mesh_id; const u8 *peering; const __le16 *awake_window; @@ -1200,30 +1800,74 @@ struct ieee802_11_elems { const struct ieee80211_channel_sw_ie *ch_switch_ie; const struct ieee80211_ext_chansw_ie *ext_chansw_ie; const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie; + const u8 *max_channel_switch_time; const u8 *country_elem; const u8 *pwr_constr_elem; + const u8 *cisco_dtpc_elem; const struct ieee80211_timeout_interval_ie *timeout_int; const u8 *opmode_notif; const struct ieee80211_sec_chan_offs_ie *sec_chan_offs; + struct ieee80211_mesh_chansw_params_ie *mesh_chansw_params_ie; + const struct ieee80211_bss_max_idle_period_ie *max_idle_period_ie; + const struct ieee80211_multiple_bssid_configuration *mbssid_config_ie; + const struct ieee80211_bssid_index *bssid_index; + u8 max_bssid_indicator; + u8 dtim_count; + u8 dtim_period; + const struct ieee80211_addba_ext_ie *addba_ext_ie; + const struct ieee80211_s1g_cap *s1g_capab; + const struct ieee80211_s1g_oper_ie *s1g_oper; + const struct ieee80211_s1g_bcn_compat_ie *s1g_bcn_compat; + const struct ieee80211_aid_response_ie *aid_resp; + const struct ieee80211_eht_cap_elem *eht_cap; + const struct ieee80211_eht_operation *eht_operation; + const struct ieee80211_multi_link_elem *ml_basic; + const struct ieee80211_multi_link_elem *ml_reconf; + const struct ieee80211_multi_link_elem *ml_epcs; + const struct ieee80211_bandwidth_indication *bandwidth_indication; + const struct ieee80211_ttlm_elem *ttlm[IEEE80211_TTLM_MAX_CNT]; + + /* not the order in the psd values is per element, not per chandef */ + struct ieee80211_parsed_tpe tpe; + struct ieee80211_parsed_tpe csa_tpe; /* length of them, respectively */ + u8 ext_capab_len; u8 ssid_len; u8 supp_rates_len; 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; + u8 he_cap_len; u8 mesh_id_len; u8 peering_len; u8 preq_len; u8 prep_len; u8 perr_len; u8 country_elem_len; + u8 bssid_index_len; + u8 eht_cap_len; + + /* mult-link element can be de-fragmented and thus u8 is not sufficient */ + size_t ml_basic_len; + size_t ml_reconf_len; + size_t ml_epcs_len; - /* whether a parse error occurred while retrieving these elements */ - bool parse_error; + u8 ttlm_num; + + /* + * store the per station profile pointer and length in case that the + * parsing also handled Multi-Link element parsing for a specific link + * ID. + */ + struct ieee80211_mle_per_sta_profile *prof; + size_t sta_prof_len; + + /* whether/which parse error occurred while retrieving these elements */ + u8 parse_error; }; static inline struct ieee80211_local *hw_to_local( @@ -1232,31 +1876,76 @@ static inline struct ieee80211_local *hw_to_local( return container_of(hw, struct ieee80211_local, hw); } +static inline struct txq_info *to_txq_info(struct ieee80211_txq *txq) +{ + return container_of(txq, struct txq_info, txq); +} -static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) +static inline bool txq_has_queue(struct ieee80211_txq *txq) { - return ether_addr_equal(raddr, addr) || - is_broadcast_ether_addr(raddr); + struct txq_info *txqi = to_txq_info(txq); + + return !(skb_queue_empty(&txqi->frags) && !txqi->tin.backlog_packets); } static inline bool ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status) { - WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START && - status->flag & RX_FLAG_MACTIME_END); - return status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END); + return status->flag & RX_FLAG_MACTIME; +} + +void ieee80211_vif_inc_num_mcast(struct ieee80211_sub_if_data *sdata); +void ieee80211_vif_dec_num_mcast(struct ieee80211_sub_if_data *sdata); + +void ieee80211_vif_block_queues_csa(struct ieee80211_sub_if_data *sdata); +void ieee80211_vif_unblock_queues_csa(struct ieee80211_sub_if_data *sdata); + +/* This function returns the number of multicast stations connected to this + * interface. It returns -1 if that number is not tracked, that is for netdevs + * not in AP or AP_VLAN mode or when using 4addr. + */ +static inline int +ieee80211_vif_get_num_mcast_if(struct ieee80211_sub_if_data *sdata) +{ + if (sdata->vif.type == NL80211_IFTYPE_AP) + return atomic_read(&sdata->u.ap.num_mcast_sta); + if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->u.vlan.sta) + return atomic_read(&sdata->u.vlan.num_mcast_sta); + return -1; } u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local, struct ieee80211_rx_status *status, unsigned int mpdu_len, unsigned int mpdu_offset); -int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); +int ieee80211_hw_config(struct ieee80211_local *local, int radio_idx, + u32 changed); +int ieee80211_hw_conf_chan(struct ieee80211_local *local); +void ieee80211_hw_conf_init(struct ieee80211_local *local); void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, - u32 changed); + u64 changed); +void ieee80211_vif_cfg_change_notify(struct ieee80211_sub_if_data *sdata, + u64 changed); +void ieee80211_link_info_change_notify(struct ieee80211_sub_if_data *sdata, + struct ieee80211_link_data *link, + u64 changed); void ieee80211_configure_filter(struct ieee80211_local *local); -u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); +u64 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); + +void ieee80211_handle_queued_frames(struct ieee80211_local *local); + +u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local); +int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb, + u64 *cookie, gfp_t gfp); + +void ieee80211_check_fast_rx(struct sta_info *sta); +void __ieee80211_check_fast_rx_iface(struct ieee80211_sub_if_data *sdata); +void ieee80211_check_fast_rx_iface(struct ieee80211_sub_if_data *sdata); +void ieee80211_clear_fast_rx(struct sta_info *sta); + +bool ieee80211_is_our_addr(struct ieee80211_sub_if_data *sdata, + const u8 *addr, int *out_link_id); /* STA code */ void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); @@ -1270,20 +1959,26 @@ int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, struct cfg80211_disassoc_request *req); void ieee80211_send_pspoll(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata); -void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); +void ieee80211_recalc_ps(struct ieee80211_local *local); void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata); -int ieee80211_max_network_latency(struct notifier_block *nb, - unsigned long data, void *dummy); -int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); +void ieee80211_sta_rx_queued_ext(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata); void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata, __le16 fc, bool acked); +void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata); void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); +void ieee80211_sta_handle_tspec_ac_params(struct ieee80211_sub_if_data *sdata); +void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata, + u8 reason, bool tx); +void ieee80211_mgd_setup_link(struct ieee80211_link_data *link); +void ieee80211_mgd_stop_link(struct ieee80211_link_data *link); +void ieee80211_mgd_set_link_qos_params(struct ieee80211_link_data *link); /* IBSS code */ void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); @@ -1296,55 +1991,110 @@ int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); +int ieee80211_ibss_csa_beacon(struct ieee80211_sub_if_data *sdata, + struct cfg80211_csa_settings *csa_settings, + u64 *changed); +int ieee80211_ibss_finish_csa(struct ieee80211_sub_if_data *sdata, + u64 *changed); +void ieee80211_ibss_stop(struct ieee80211_sub_if_data *sdata); + +/* OCB code */ +void ieee80211_ocb_work(struct ieee80211_sub_if_data *sdata); +void ieee80211_ocb_rx_no_sta(struct ieee80211_sub_if_data *sdata, + const u8 *bssid, const u8 *addr, u32 supp_rates); +void ieee80211_ocb_setup_sdata(struct ieee80211_sub_if_data *sdata); +int ieee80211_ocb_join(struct ieee80211_sub_if_data *sdata, + struct ocb_setup *setup); +int ieee80211_ocb_leave(struct ieee80211_sub_if_data *sdata); /* mesh code */ void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); +int ieee80211_mesh_csa_beacon(struct ieee80211_sub_if_data *sdata, + struct cfg80211_csa_settings *csa_settings, + u64 *changed); +int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata, + u64 *changed); /* scan/BSS handling */ -void ieee80211_scan_work(struct work_struct *work); +void ieee80211_scan_work(struct wiphy *wiphy, struct wiphy_work *work); int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata, const u8 *ssid, u8 ssid_len, - struct ieee80211_channel *chan); + struct ieee80211_channel **channels, + unsigned int n_channels); int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, struct cfg80211_scan_request *req); void ieee80211_scan_cancel(struct ieee80211_local *local); void ieee80211_run_deferred_scan(struct ieee80211_local *local); void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb); +void ieee80211_inform_bss(struct wiphy *wiphy, struct cfg80211_bss *bss, + const struct cfg80211_bss_ies *ies, void *data); + void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); struct ieee80211_bss * ieee80211_bss_info_update(struct ieee80211_local *local, struct ieee80211_rx_status *rx_status, struct ieee80211_mgmt *mgmt, size_t len, - struct ieee802_11_elems *elems, struct ieee80211_channel *channel); void ieee80211_rx_bss_put(struct ieee80211_local *local, struct ieee80211_bss *bss); /* scheduled scan handling */ +int +__ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, + struct cfg80211_sched_scan_request *req); int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, struct cfg80211_sched_scan_request *req); -int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata); -void ieee80211_sched_scan_stopped_work(struct work_struct *work); +int ieee80211_request_sched_scan_stop(struct ieee80211_local *local); +void ieee80211_sched_scan_end(struct ieee80211_local *local); +void ieee80211_sched_scan_stopped_work(struct wiphy *wiphy, + struct wiphy_work *work); -/* off-channel helpers */ +/* off-channel/mgmt-tx */ void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local); void ieee80211_offchannel_return(struct ieee80211_local *local); void ieee80211_roc_setup(struct ieee80211_local *local); void ieee80211_start_next_roc(struct ieee80211_local *local); +void ieee80211_reconfig_roc(struct ieee80211_local *local); void ieee80211_roc_purge(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata); -void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc, bool free); -void ieee80211_sw_roc_work(struct work_struct *work); -void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc); +int ieee80211_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev, + struct ieee80211_channel *chan, + unsigned int duration, u64 *cookie); +int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, + struct wireless_dev *wdev, u64 cookie); +int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, + struct cfg80211_mgmt_tx_params *params, u64 *cookie); +int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, + struct wireless_dev *wdev, u64 cookie); + +/* channel switch handling */ +void ieee80211_csa_finalize_work(struct wiphy *wiphy, struct wiphy_work *work); +int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_csa_settings *params); + +/* color change handling */ +void ieee80211_color_change_finalize_work(struct wiphy *wiphy, + struct wiphy_work *work); +void ieee80211_color_collision_detection_work(struct wiphy *wiphy, + struct wiphy_work *work); /* 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 | \ + NETIF_F_HW_TC) +#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, + unsigned char name_assign_type, struct wireless_dev **new_wdev, enum nl80211_iftype type, struct vif_params *params); int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, @@ -1357,26 +2107,74 @@ void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, const int offset); int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up); void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata); -int ieee80211_add_virtual_monitor(struct ieee80211_local *local); +int ieee80211_add_virtual_monitor(struct ieee80211_local *local, + struct ieee80211_sub_if_data *creator_sdata); void ieee80211_del_virtual_monitor(struct ieee80211_local *local); -bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); -void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); +bool __ieee80211_recalc_txpower(struct ieee80211_link_data *link); +void ieee80211_recalc_txpower(struct ieee80211_link_data *link, + bool update_bss); +void ieee80211_recalc_offload(struct ieee80211_local *local); static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) { return test_bit(SDATA_STATE_RUNNING, &sdata->state); } +/* link handling */ +void ieee80211_link_setup(struct ieee80211_link_data *link); +void ieee80211_link_init(struct ieee80211_sub_if_data *sdata, + int link_id, + struct ieee80211_link_data *link, + struct ieee80211_bss_conf *link_conf); +void ieee80211_link_stop(struct ieee80211_link_data *link); +int ieee80211_vif_set_links(struct ieee80211_sub_if_data *sdata, + u16 new_links, u16 dormant_links); +static inline void ieee80211_vif_clear_links(struct ieee80211_sub_if_data *sdata) +{ + ieee80211_vif_set_links(sdata, 0, 0); +} + +void ieee80211_apvlan_link_setup(struct ieee80211_sub_if_data *sdata); +void ieee80211_apvlan_link_clear(struct ieee80211_sub_if_data *sdata); + /* tx handling */ void ieee80211_clear_tx_pending(struct ieee80211_local *local); -void ieee80211_tx_pending(unsigned long data); +void ieee80211_tx_pending(struct tasklet_struct *t); 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); -void ieee80211_purge_tx_queue(struct ieee80211_hw *hw, - struct sk_buff_head *skbs); +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, + u32 ctrl_flags, + u64 *cookie); +struct sk_buff * +ieee80211_build_data_template(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb, u32 info_flags); +void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb, + int retry_count, struct ieee80211_tx_status *status); + +void ieee80211_check_fast_xmit(struct sta_info *sta); +void ieee80211_check_fast_xmit_all(struct ieee80211_local *local); +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, + int link_id, u64 *cookie); +int ieee80211_probe_mesh_link(struct wiphy *wiphy, struct net_device *dev, + const u8 *buf, size_t len); +void __ieee80211_xmit_fast(struct ieee80211_sub_if_data *sdata, + struct sta_info *sta, + struct ieee80211_fast_tx *fast_tx, + struct sk_buff *skb, bool ampdu, + const u8 *da, const u8 *sa); +void ieee80211_aggr_check(struct ieee80211_sub_if_data *sdata, + struct sta_info *sta, struct sk_buff *skb); /* HT */ void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, @@ -1384,19 +2182,26 @@ void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, struct ieee80211_supported_band *sband, const struct ieee80211_ht_cap *ht_cap_ie, - struct sta_info *sta); + struct link_sta_info *link_sta); void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, const u8 *da, u16 tid, u16 initiator, u16 reason_code); int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, enum ieee80211_smps_mode smps, const u8 *da, - const u8 *bssid); -void ieee80211_request_smps_work(struct work_struct *work); - -void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, - u16 initiator, u16 reason, bool stop); + const u8 *bssid, int link_id); +void ieee80211_add_addbaext(struct sk_buff *skb, + const u8 req_addba_ext_data, + u16 buf_size); +u8 ieee80211_retrieve_addba_ext_data(struct sta_info *sta, + const void *elem_data, ssize_t elem_len, + u16 *buf_size); void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, u16 initiator, u16 reason, bool stop); +void __ieee80211_start_rx_ba_session(struct sta_info *sta, + u8 dialog_token, u16 timeout, + u16 start_seq_num, u16 ba_policy, u16 tid, + u16 buf_size, bool tx, bool auto_seq, + const u8 addba_ext_data); void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, enum ieee80211_agg_stop_reason reason); void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, @@ -1411,40 +2216,147 @@ void ieee80211_process_addba_request(struct ieee80211_local *local, struct ieee80211_mgmt *mgmt, size_t len); +static inline struct ieee80211_mgmt * +ieee80211_mgmt_ba(struct sk_buff *skb, const u8 *da, + struct ieee80211_sub_if_data *sdata) +{ + struct ieee80211_mgmt *mgmt = skb_put_zero(skb, 24); + + ether_addr_copy(mgmt->da, da); + ether_addr_copy(mgmt->sa, sdata->vif.addr); + + if (sdata->vif.type == NL80211_IFTYPE_AP || + sdata->vif.type == NL80211_IFTYPE_AP_VLAN || + sdata->vif.type == NL80211_IFTYPE_MESH_POINT) + ether_addr_copy(mgmt->bssid, sdata->vif.addr); + else if (sdata->vif.type == NL80211_IFTYPE_STATION) + ether_addr_copy(mgmt->bssid, sdata->vif.cfg.ap_addr); + else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) + ether_addr_copy(mgmt->bssid, sdata->u.ibss.bssid); + + mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | + IEEE80211_STYPE_ACTION); + return mgmt; +} + int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, enum ieee80211_agg_stop_reason reason); -int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, - enum ieee80211_agg_stop_reason reason); -void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid); -void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid); -void ieee80211_ba_session_work(struct work_struct *work); +void ieee80211_start_tx_ba_cb(struct sta_info *sta, int tid, + struct tid_ampdu_tx *tid_tx); +void ieee80211_stop_tx_ba_cb(struct sta_info *sta, int tid, + struct tid_ampdu_tx *tid_tx); +void ieee80211_ba_session_work(struct wiphy *wiphy, struct wiphy_work *work); void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs); +enum nl80211_smps_mode +ieee80211_smps_mode_to_smps_mode(enum ieee80211_smps_mode smps); + +void ieee80211_ht_handle_chanwidth_notif(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct sta_info *sta, + struct link_sta_info *link_sta, + u8 chanwidth, enum nl80211_band band); /* VHT */ void ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, struct ieee80211_supported_band *sband, const struct ieee80211_vht_cap *vht_cap_ie, - struct sta_info *sta); -enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta); -void ieee80211_sta_set_rx_nss(struct sta_info *sta); + const struct ieee80211_vht_cap *vht_cap_ie2, + struct link_sta_info *link_sta); +enum ieee80211_sta_rx_bandwidth +_ieee80211_sta_cap_rx_bw(struct link_sta_info *link_sta, + struct cfg80211_chan_def *chandef); +static inline enum ieee80211_sta_rx_bandwidth +ieee80211_sta_cap_rx_bw(struct link_sta_info *link_sta) +{ + return _ieee80211_sta_cap_rx_bw(link_sta, NULL); +} +enum ieee80211_sta_rx_bandwidth +_ieee80211_sta_cur_vht_bw(struct link_sta_info *link_sta, + struct cfg80211_chan_def *chandef); +static inline enum ieee80211_sta_rx_bandwidth +ieee80211_sta_cur_vht_bw(struct link_sta_info *link_sta) +{ + return _ieee80211_sta_cur_vht_bw(link_sta, NULL); +} +void ieee80211_sta_init_nss(struct link_sta_info *link_sta); +enum nl80211_chan_width +ieee80211_sta_cap_chan_bw(struct link_sta_info *link_sta); +void ieee80211_process_mu_groups(struct ieee80211_sub_if_data *sdata, + struct ieee80211_link_data *link, + struct ieee80211_mgmt *mgmt); +u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, + struct link_sta_info *sta, + u8 opmode, enum nl80211_band band); void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, - struct sta_info *sta, u8 opmode, - enum ieee80211_band band, bool nss_only); + struct link_sta_info *sta, + u8 opmode, enum nl80211_band band); void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata, struct ieee80211_sta_vht_cap *vht_cap); +void ieee80211_get_vht_mask_from_cap(__le16 vht_cap, + u16 vht_mask[NL80211_VHT_NSS_MAX]); +enum nl80211_chan_width +ieee80211_sta_rx_bw_to_chan_width(struct link_sta_info *sta); + +/* HE */ +void +ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata, + struct ieee80211_supported_band *sband, + const u8 *he_cap_ie, u8 he_cap_len, + const struct ieee80211_he_6ghz_capa *he_6ghz_capa, + struct link_sta_info *link_sta); +void +ieee80211_he_spr_ie_to_bss_conf(struct ieee80211_vif *vif, + const struct ieee80211_he_spr *he_spr_ie_elem); + +void +ieee80211_he_op_ie_to_bss_conf(struct ieee80211_vif *vif, + const struct ieee80211_he_operation *he_op_ie_elem); + +/* S1G */ +void ieee80211_s1g_sta_rate_init(struct sta_info *sta); +bool ieee80211_s1g_is_twt_setup(struct sk_buff *skb); +void ieee80211_s1g_rx_twt_action(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); +void ieee80211_s1g_status_twt_action(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); +void ieee80211_s1g_cap_to_sta_s1g_cap(struct ieee80211_sub_if_data *sdata, + const struct ieee80211_s1g_cap *s1g_cap_ie, + struct link_sta_info *link_sta); /* Spectrum management */ void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, struct ieee80211_mgmt *mgmt, size_t len); +/** + * ieee80211_parse_ch_switch_ie - parses channel switch IEs + * @sdata: the sdata of the interface which has received the frame + * @elems: parsed 802.11 elements received with the frame + * @current_band: indicates the current band + * @vht_cap_info: VHT capabilities of the transmitter + * @conn: contains information about own capabilities and restrictions + * to decide which channel switch announcements can be accepted + * @bssid: the currently connected bssid (for reporting) + * @unprot_action: whether the frame was an unprotected frame or not, + * used for reporting + * @csa_ie: parsed 802.11 csa elements on count, mode, chandef and mesh ttl. + * All of them will be filled with if success only. + * Return: 0 on success, <0 on error and >0 if there is nothing to parse. + */ +int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata, + struct ieee802_11_elems *elems, + enum nl80211_band current_band, + u32 vht_cap_info, + struct ieee80211_conn_settings *conn, + u8 *bssid, bool unprot_action, + struct ieee80211_csa_ie *csa_ie); /* Suspend/resume and hw reconfiguration */ int ieee80211_reconfig(struct ieee80211_local *local); -void ieee80211_stop_device(struct ieee80211_local *local); +void ieee80211_stop_device(struct ieee80211_local *local, bool suspend); int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan); @@ -1453,7 +2365,8 @@ static inline int __ieee80211_resume(struct ieee80211_hw *hw) { struct ieee80211_local *local = hw_to_local(hw); - WARN(test_bit(SCAN_HW_SCANNING, &local->scanning), + WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) && + !test_bit(SCAN_COMPLETED, &local->scanning), "%s: resume with hardware scan still in progress\n", wiphy_name(hw->wiphy)); @@ -1461,186 +2374,513 @@ static inline int __ieee80211_resume(struct ieee80211_hw *hw) } /* utility functions/constants */ -extern void *mac80211_wiphy_privid; /* for wiphy privid */ -u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, - enum nl80211_iftype type); -int ieee80211_frame_duration(enum ieee80211_band band, size_t len, +extern const void *const mac80211_wiphy_privid; /* for wiphy privid */ +const char *ieee80211_conn_mode_str(enum ieee80211_conn_mode mode); +enum ieee80211_conn_bw_limit +ieee80211_min_bw_limit_from_chandef(struct cfg80211_chan_def *chandef); +int ieee80211_frame_duration(enum nl80211_band band, size_t len, int rate, int erp, int short_preamble); -void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, - struct ieee80211_hdr *hdr, const u8 *tsc, - gfp_t gfp); -void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, - bool bss_notify); -void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, - enum ieee80211_band band); +void ieee80211_regulatory_limit_wmm_params(struct ieee80211_sub_if_data *sdata, + struct ieee80211_tx_queue_params *qparam, + int ac); +void ieee80211_clear_tpe(struct ieee80211_parsed_tpe *tpe); +void ieee80211_set_wmm_default(struct ieee80211_link_data *link, + bool bss_notify, bool enable_qos); +void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, + struct sta_info *sta, struct sk_buff *skb); void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, - struct sk_buff *skb, int tid, - enum ieee80211_band band); + struct sk_buff *skb, int tid, int link_id, + enum nl80211_band band); + +/* 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, - enum ieee80211_band band) + enum nl80211_band band) { rcu_read_lock(); - __ieee80211_tx_skb_tid_band(sdata, skb, tid, band); + __ieee80211_tx_skb_tid_band(sdata, skb, tid, -1, band); rcu_read_unlock(); } -static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, - struct sk_buff *skb, int tid) -{ - struct ieee80211_chanctx_conf *chanctx_conf; - - rcu_read_lock(); - chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); - if (WARN_ON(!chanctx_conf)) { - rcu_read_unlock(); - kfree_skb(skb); - return; - } - - __ieee80211_tx_skb_tid_band(sdata, skb, tid, - chanctx_conf->def.chan->band); - rcu_read_unlock(); -} +void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb, int tid, int link_id); static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb) { /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */ - ieee80211_tx_skb_tid(sdata, skb, 7); + ieee80211_tx_skb_tid(sdata, skb, 7, -1); +} + +/** + * struct ieee80211_elems_parse_params - element parsing parameters + * @mode: connection mode for parsing + * @start: pointer to the elements + * @len: length of the elements + * @type: type of the frame the elements came from + * (action, probe response, beacon, etc.) + * @filter: bitmap of element IDs to filter out while calculating + * the element CRC + * @crc: CRC starting value + * @bss: the BSS to parse this as, for multi-BSSID cases this can + * represent a non-transmitting BSS in which case the data + * for that non-transmitting BSS is returned + * @link_id: the link ID to parse elements for, if a STA profile + * is present in the multi-link element, or -1 to ignore; + * note that the code currently assumes parsing an association + * (or re-association) response frame if this is given + * @from_ap: frame is received from an AP (currently used only + * for EHT capabilities parsing) + */ +struct ieee80211_elems_parse_params { + enum ieee80211_conn_mode mode; + const u8 *start; + size_t len; + u8 type; + u64 filter; + u32 crc; + struct cfg80211_bss *bss; + int link_id; + bool from_ap; +}; + +struct ieee802_11_elems * +ieee802_11_parse_elems_full(struct ieee80211_elems_parse_params *params); + +static inline struct ieee802_11_elems * +ieee802_11_parse_elems(const u8 *start, size_t len, u8 type, + struct cfg80211_bss *bss) +{ + struct ieee80211_elems_parse_params params = { + .mode = IEEE80211_CONN_MODE_HIGHEST, + .start = start, + .len = len, + .type = type, + .bss = bss, + .link_id = -1, + }; + + return ieee802_11_parse_elems_full(¶ms); } -u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, - struct ieee802_11_elems *elems, - u64 filter, u32 crc); -static inline void ieee802_11_parse_elems(const u8 *start, size_t len, - bool action, - struct ieee802_11_elems *elems) +extern const int ieee802_1d_to_ac[8]; + +static inline int ieee80211_ac_from_tid(int tid) { - ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0); + return ieee802_1d_to_ac[tid & 7]; } -void ieee80211_dynamic_ps_enable_work(struct work_struct *work); -void ieee80211_dynamic_ps_disable_work(struct work_struct *work); -void ieee80211_dynamic_ps_timer(unsigned long data); +void ieee80211_dynamic_ps_enable_work(struct wiphy *wiphy, + struct wiphy_work *work); +void ieee80211_dynamic_ps_disable_work(struct wiphy *wiphy, + struct wiphy_work *work); +void ieee80211_dynamic_ps_timer(struct timer_list *t); void ieee80211_send_nullfunc(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, - int powersave); -void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, - struct ieee80211_hdr *hdr); + bool powersave); +void ieee80211_send_4addr_nullfunc(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata); void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, - struct ieee80211_hdr *hdr, bool ack); - + struct ieee80211_hdr *hdr, bool ack, u16 tx_time); +unsigned int +ieee80211_get_vif_queues(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata); void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, unsigned long queues, - enum queue_stop_reason reason); + enum queue_stop_reason reason, + bool refcounted); void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, unsigned long queues, - enum queue_stop_reason reason); + enum queue_stop_reason reason, + bool refcounted); void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, - enum queue_stop_reason reason); + enum queue_stop_reason reason, + bool refcounted); void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, - enum queue_stop_reason reason); -void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue); + enum queue_stop_reason reason, + bool refcounted); +static inline void +ieee80211_stop_vif_queues(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + enum queue_stop_reason reason) +{ + ieee80211_stop_queues_by_reason(&local->hw, + ieee80211_get_vif_queues(local, sdata), + reason, true); +} + +static inline void +ieee80211_wake_vif_queues(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + enum queue_stop_reason reason) +{ + ieee80211_wake_queues_by_reason(&local->hw, + ieee80211_get_vif_queues(local, sdata), + reason, true); +} +static inline void +ieee80211_stop_vif_queues_norefcount(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + enum queue_stop_reason reason) +{ + ieee80211_stop_queues_by_reason(&local->hw, + ieee80211_get_vif_queues(local, sdata), + reason, false); +} +static inline void +ieee80211_wake_vif_queues_norefcount(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + enum queue_stop_reason reason) +{ + ieee80211_wake_queues_by_reason(&local->hw, + ieee80211_get_vif_queues(local, sdata), + reason, false); +} void ieee80211_add_pending_skb(struct ieee80211_local *local, struct sk_buff *skb); -void ieee80211_add_pending_skbs_fn(struct ieee80211_local *local, - struct sk_buff_head *skbs, - void (*fn)(void *data), void *data); -static inline void ieee80211_add_pending_skbs(struct ieee80211_local *local, - struct sk_buff_head *skbs) +void ieee80211_add_pending_skbs(struct ieee80211_local *local, + struct sk_buff_head *skbs); +void ieee80211_flush_queues(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, bool drop); +void __ieee80211_flush_queues(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + unsigned int queues, bool drop); + +static inline bool ieee80211_can_run_worker(struct ieee80211_local *local) { - ieee80211_add_pending_skbs_fn(local, skbs, NULL, NULL); + /* + * It's unsafe to try to do any work during reconfigure flow. + * When the flow ends the work will be requeued. + */ + if (local->in_reconfig) + return false; + + /* + * If quiescing is set, we are racing with __ieee80211_suspend. + * __ieee80211_suspend flushes the workers after setting quiescing, + * and we check quiescing / suspended before enqueuing new workers. + * We should abort the worker to avoid the races below. + */ + if (local->quiescing) + return false; + + /* + * We might already be suspended if the following scenario occurs: + * __ieee80211_suspend Control path + * + * if (local->quiescing) + * return; + * local->quiescing = true; + * flush_workqueue(); + * queue_work(...); + * local->suspended = true; + * local->quiescing = false; + * worker starts running... + */ + if (local->suspended) + return false; + + return true; } -void ieee80211_flush_queues(struct ieee80211_local *local, - struct ieee80211_sub_if_data *sdata); +int ieee80211_txq_setup_flows(struct ieee80211_local *local); +void ieee80211_txq_set_params(struct ieee80211_local *local, int radio_idx); +void ieee80211_txq_teardown_flows(struct ieee80211_local *local); +void ieee80211_txq_init(struct ieee80211_sub_if_data *sdata, + struct sta_info *sta, + struct txq_info *txq, int tid); +void ieee80211_txq_purge(struct ieee80211_local *local, + struct txq_info *txqi); +void ieee80211_purge_sta_txqs(struct sta_info *sta); +void ieee80211_txq_remove_vlan(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata); +void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats, + struct txq_info *txqi); +void ieee80211_wake_txqs(struct tasklet_struct *t); void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, u16 transaction, u16 auth_alg, u16 status, const u8 *extra, size_t extra_len, const u8 *bssid, const u8 *da, const u8 *key, u8 key_len, u8 key_idx, u32 tx_flags); void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata, - const u8 *bssid, u16 stype, u16 reason, + const u8 *da, const u8 *bssid, + u16 stype, u16 reason, bool send_frame, u8 *frame_buf); -int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, - size_t buffer_len, const u8 *ie, size_t ie_len, - enum ieee80211_band band, u32 rate_mask, - u8 channel); + +enum { + IEEE80211_PROBE_FLAG_DIRECTED = BIT(0), + IEEE80211_PROBE_FLAG_MIN_CONTENT = BIT(1), + IEEE80211_PROBE_FLAG_RANDOM_SN = BIT(2), +}; + +int ieee80211_build_preq_ies(struct ieee80211_sub_if_data *sdata, u8 *buffer, + size_t buffer_len, + struct ieee80211_scan_ies *ie_desc, + const u8 *ie, size_t ie_len, + u8 bands_used, u32 *rate_masks, + struct cfg80211_chan_def *chandef, + u32 flags); struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, - u8 *dst, u32 ratemask, + const u8 *src, const u8 *dst, + u32 ratemask, struct ieee80211_channel *chan, const u8 *ssid, size_t ssid_len, const u8 *ie, size_t ie_len, - bool directed); -void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, - const u8 *ssid, size_t ssid_len, - const u8 *ie, size_t ie_len, - u32 ratemask, bool directed, u32 tx_flags, - struct ieee80211_channel *channel, bool scan); - -void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, - const size_t supp_rates_len, - const u8 *supp_rates); -u32 ieee80211_sta_get_rates(struct ieee80211_local *local, + u32 flags); +u32 ieee80211_sta_get_rates(struct ieee80211_sub_if_data *sdata, struct ieee802_11_elems *elems, - enum ieee80211_band band, u32 *basic_rates); -int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, - enum ieee80211_smps_mode smps_mode); -void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata); + enum nl80211_band band, u32 *basic_rates); +int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, + struct ieee80211_link_data *link, + enum ieee80211_smps_mode smps_mode); +void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata, + struct ieee80211_link_data *link); +void ieee80211_recalc_min_chandef(struct ieee80211_sub_if_data *sdata, + int link_id); -size_t ieee80211_ie_split(const u8 *ies, size_t ielen, - const u8 *ids, int n_ids, size_t offset); size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, u16 cap); u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, const struct cfg80211_chan_def *chandef, - u16 prot_mode); + u16 prot_mode, bool rifs_mode); +void ieee80211_ie_build_wide_bw_cs(u8 *pos, + const struct cfg80211_chan_def *chandef); u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, u32 cap); -int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata, - struct sk_buff *skb, bool need_basic, - enum ieee80211_band band); -int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata, - struct sk_buff *skb, bool need_basic, - enum ieee80211_band band); +u8 *ieee80211_ie_build_vht_oper(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, + const struct cfg80211_chan_def *chandef); +u8 ieee80211_ie_len_he_cap(struct ieee80211_sub_if_data *sdata); +u8 *ieee80211_ie_build_he_oper(u8 *pos, const struct cfg80211_chan_def *chandef); +u8 *ieee80211_ie_build_eht_oper(u8 *pos, const struct cfg80211_chan_def *chandef, + const struct ieee80211_sta_eht_cap *eht_cap); +int ieee80211_parse_bitrates(enum nl80211_chan_width width, + const struct ieee80211_supported_band *sband, + const u8 *srates, int srates_len, u32 *rates); +u8 *ieee80211_add_wmm_info_ie(u8 *buf, u8 qosinfo); +void ieee80211_add_s1g_capab_ie(struct ieee80211_sub_if_data *sdata, + struct ieee80211_sta_s1g_cap *caps, + struct sk_buff *skb); +void ieee80211_add_aid_request_ie(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); + +/* element building in SKBs */ +int ieee80211_put_srates_elem(struct sk_buff *skb, + const struct ieee80211_supported_band *sband, + u32 basic_rates, u32 masked_rates, + u8 element_id); +int ieee80211_put_he_cap(struct sk_buff *skb, + struct ieee80211_sub_if_data *sdata, + const struct ieee80211_supported_band *sband, + const struct ieee80211_conn_settings *conn); +int ieee80211_put_he_6ghz_cap(struct sk_buff *skb, + struct ieee80211_sub_if_data *sdata, + enum ieee80211_smps_mode smps_mode); +int ieee80211_put_eht_cap(struct sk_buff *skb, + struct ieee80211_sub_if_data *sdata, + const struct ieee80211_supported_band *sband, + const struct ieee80211_conn_settings *conn); +int ieee80211_put_reg_conn(struct sk_buff *skb, + enum ieee80211_channel_flags flags); /* channel management */ -void ieee80211_ht_oper_to_chandef(struct ieee80211_channel *control_chan, - const struct ieee80211_ht_operation *ht_oper, - struct cfg80211_chan_def *chandef); +bool ieee80211_chandef_ht_oper(const struct ieee80211_ht_operation *ht_oper, + struct cfg80211_chan_def *chandef); +bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw, u32 vht_cap_info, + const struct ieee80211_vht_operation *oper, + const struct ieee80211_ht_operation *htop, + struct cfg80211_chan_def *chandef); +void ieee80211_chandef_eht_oper(const struct ieee80211_eht_operation_info *info, + struct cfg80211_chan_def *chandef); +bool ieee80211_chandef_he_6ghz_oper(struct ieee80211_local *local, + const struct ieee80211_he_operation *he_oper, + const struct ieee80211_eht_operation *eht_oper, + struct cfg80211_chan_def *chandef); +bool ieee80211_chandef_s1g_oper(struct ieee80211_local *local, + const struct ieee80211_s1g_oper_ie *oper, + struct cfg80211_chan_def *chandef); +void ieee80211_chandef_downgrade(struct cfg80211_chan_def *chandef, + struct ieee80211_conn_settings *conn); +static inline void +ieee80211_chanreq_downgrade(struct ieee80211_chan_req *chanreq, + struct ieee80211_conn_settings *conn) +{ + ieee80211_chandef_downgrade(&chanreq->oper, conn); + if (WARN_ON(!conn)) + return; + if (conn->mode < IEEE80211_CONN_MODE_EHT) + chanreq->ap.chan = NULL; +} + +bool ieee80211_chanreq_identical(const struct ieee80211_chan_req *a, + const struct ieee80211_chan_req *b); int __must_check -ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata, - const struct cfg80211_chan_def *chandef, - enum ieee80211_chanctx_mode mode); +_ieee80211_link_use_channel(struct ieee80211_link_data *link, + const struct ieee80211_chan_req *req, + enum ieee80211_chanctx_mode mode, + bool assign_on_failure); + +static inline int __must_check +ieee80211_link_use_channel(struct ieee80211_link_data *link, + const struct ieee80211_chan_req *req, + enum ieee80211_chanctx_mode mode) +{ + return _ieee80211_link_use_channel(link, req, mode, false); +} + int __must_check -ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data *sdata, - const struct cfg80211_chan_def *chandef, - u32 *changed); -void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata); -void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata); -void ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata, - bool clear); +ieee80211_link_reserve_chanctx(struct ieee80211_link_data *link, + const struct ieee80211_chan_req *req, + enum ieee80211_chanctx_mode mode, + bool radar_required); +int __must_check +ieee80211_link_use_reserved_context(struct ieee80211_link_data *link); +void ieee80211_link_unreserve_chanctx(struct ieee80211_link_data *link); + +int __must_check +ieee80211_link_change_chanreq(struct ieee80211_link_data *link, + const struct ieee80211_chan_req *req, + u64 *changed); +void __ieee80211_link_release_channel(struct ieee80211_link_data *link, + bool skip_idle_recalc); +void ieee80211_link_release_channel(struct ieee80211_link_data *link); +void ieee80211_link_vlan_copy_chanctx(struct ieee80211_link_data *link); +void ieee80211_link_copy_chanctx_to_vlans(struct ieee80211_link_data *link, + bool clear); +int ieee80211_chanctx_refcount(struct ieee80211_local *local, + struct ieee80211_chanctx *ctx); void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local, struct ieee80211_chanctx *chanctx); -void ieee80211_recalc_radar_chanctx(struct ieee80211_local *local, - struct ieee80211_chanctx *chanctx); +void ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local, + struct ieee80211_chanctx *ctx); +bool ieee80211_is_radar_required(struct ieee80211_local *local, + struct cfg80211_scan_request *req); +bool ieee80211_is_radio_idx_in_scan_req(struct wiphy *wiphy, + struct cfg80211_scan_request *scan_req, + int radio_idx); + +void ieee80211_dfs_cac_timer_work(struct wiphy *wiphy, struct wiphy_work *work); +void ieee80211_dfs_cac_cancel(struct ieee80211_local *local, + struct ieee80211_chanctx *chanctx); +void ieee80211_dfs_radar_detected_work(struct wiphy *wiphy, + struct wiphy_work *work); +int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata, + struct cfg80211_csa_settings *csa_settings); +void ieee80211_recalc_sb_count(struct ieee80211_sub_if_data *sdata, u64 tsf); +void ieee80211_recalc_dtim(struct ieee80211_sub_if_data *sdata, u64 tsf); +int ieee80211_check_combinations(struct ieee80211_sub_if_data *sdata, + const struct cfg80211_chan_def *chandef, + enum ieee80211_chanctx_mode chanmode, + u8 radar_detect, int radio_idx); +int ieee80211_max_num_channels(struct ieee80211_local *local, int radio_idx); +u32 ieee80211_get_radio_mask(struct wiphy *wiphy, struct net_device *dev); +void ieee80211_recalc_chanctx_chantype(struct ieee80211_local *local, + struct ieee80211_chanctx *ctx); + +/* TDLS */ +int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, + const u8 *peer, int link_id, + u8 action_code, u8 dialog_token, u16 status_code, + u32 peer_capability, bool initiator, + const u8 *extra_ies, size_t extra_ies_len); +int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, + const u8 *peer, enum nl80211_tdls_operation oper); +void ieee80211_tdls_peer_del_work(struct wiphy *wiphy, struct wiphy_work *wk); +int ieee80211_tdls_channel_switch(struct wiphy *wiphy, struct net_device *dev, + const u8 *addr, u8 oper_class, + struct cfg80211_chan_def *chandef); +void ieee80211_tdls_cancel_channel_switch(struct wiphy *wiphy, + struct net_device *dev, + const u8 *addr); +void ieee80211_teardown_tdls_peers(struct ieee80211_link_data *link); +void ieee80211_tdls_handle_disconnect(struct ieee80211_sub_if_data *sdata, + const u8 *peer, u16 reason); +void +ieee80211_process_tdls_channel_switch(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); + + +const char *ieee80211_get_reason_code_string(u16 reason_code); +u16 ieee80211_encode_usf(int val); +u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, + enum nl80211_iftype type); -void ieee80211_dfs_cac_timer(unsigned long data); -void ieee80211_dfs_cac_timer_work(struct work_struct *work); -void ieee80211_dfs_cac_cancel(struct ieee80211_local *local); -void ieee80211_dfs_radar_detected_work(struct work_struct *work); +extern const struct ethtool_ops ieee80211_ethtool_ops; +u32 ieee80211_calc_expected_tx_airtime(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *pubsta, + int len, bool ampdu); #ifdef CONFIG_MAC80211_NOINLINE #define debug_noinline noinline #else #define debug_noinline #endif +void ieee80211_init_frag_cache(struct ieee80211_fragment_cache *cache); +void ieee80211_destroy_frag_cache(struct ieee80211_fragment_cache *cache); + +u8 ieee80211_ie_len_eht_cap(struct ieee80211_sub_if_data *sdata); + +void +ieee80211_eht_cap_ie_to_sta_eht_cap(struct ieee80211_sub_if_data *sdata, + struct ieee80211_supported_band *sband, + const u8 *he_cap_ie, u8 he_cap_len, + const struct ieee80211_eht_cap_elem *eht_cap_ie_elem, + u8 eht_cap_len, + struct link_sta_info *link_sta); +void ieee80211_process_neg_ttlm_req(struct ieee80211_sub_if_data *sdata, + struct ieee80211_mgmt *mgmt, size_t len); +void ieee80211_process_neg_ttlm_res(struct ieee80211_sub_if_data *sdata, + struct ieee80211_mgmt *mgmt, size_t len); +int ieee80211_req_neg_ttlm(struct ieee80211_sub_if_data *sdata, + struct cfg80211_ttlm_params *params); +void ieee80211_process_ttlm_teardown(struct ieee80211_sub_if_data *sdata); + +void ieee80211_check_wbrf_support(struct ieee80211_local *local); +void ieee80211_add_wbrf(struct ieee80211_local *local, struct cfg80211_chan_def *chandef); +void ieee80211_remove_wbrf(struct ieee80211_local *local, struct cfg80211_chan_def *chandef); +int ieee80211_mgd_set_epcs(struct ieee80211_sub_if_data *sdata, bool enable); +void ieee80211_process_epcs_ena_resp(struct ieee80211_sub_if_data *sdata, + struct ieee80211_mgmt *mgmt, size_t len); +void ieee80211_process_epcs_teardown(struct ieee80211_sub_if_data *sdata, + struct ieee80211_mgmt *mgmt, size_t len); + +int ieee80211_mgd_assoc_ml_reconf(struct ieee80211_sub_if_data *sdata, + struct cfg80211_ml_reconf_req *req); + +void ieee80211_process_ml_reconf_resp(struct ieee80211_sub_if_data *sdata, + struct ieee80211_mgmt *mgmt, size_t len); +void ieee80211_stop_mbssid(struct ieee80211_sub_if_data *sdata); + +#if IS_ENABLED(CONFIG_MAC80211_KUNIT_TEST) +#define EXPORT_SYMBOL_IF_MAC80211_KUNIT(sym) EXPORT_SYMBOL_IF_KUNIT(sym) +#define VISIBLE_IF_MAC80211_KUNIT +ieee80211_rx_result +ieee80211_drop_unencrypted_mgmt(struct ieee80211_rx_data *rx); +int ieee80211_calc_chandef_subchan_offset(const struct cfg80211_chan_def *ap, + u8 n_partial_subchans); +void ieee80211_rearrange_tpe_psd(struct ieee80211_parsed_tpe_psd *psd, + const struct cfg80211_chan_def *ap, + const struct cfg80211_chan_def *used); +struct ieee802_11_elems * +ieee80211_determine_chan_mode(struct ieee80211_sub_if_data *sdata, + struct ieee80211_conn_settings *conn, + struct cfg80211_bss *cbss, int link_id, + struct ieee80211_chan_req *chanreq, + struct cfg80211_chan_def *ap_chandef, + unsigned long *userspace_selectors); +#else +#define EXPORT_SYMBOL_IF_MAC80211_KUNIT(sym) +#define VISIBLE_IF_MAC80211_KUNIT static +#endif + #endif /* IEEE80211_I_H */ |