Return-path: Received: from emh02.mail.saunalahti.fi ([62.142.5.108]:57868 "EHLO emh02.mail.saunalahti.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753413Ab1E2UEy (ORCPT ); Sun, 29 May 2011 16:04:54 -0400 Received: from saunalahti-vams (vs3-10.mail.saunalahti.fi [62.142.5.94]) by emh02-2.mail.saunalahti.fi (Postfix) with SMTP id 6FA9CEF4B5 for ; Sun, 29 May 2011 23:04:52 +0300 (EEST) Received: from localhost6.localdomain6 (a88-115-184-248.elisa-laajakaista.fi [88.115.184.248]) by emh03.mail.saunalahti.fi (Postfix) with ESMTP id 0EB56158A63 for ; Sun, 29 May 2011 23:04:49 +0300 (EEST) Subject: [RFC PATCH 06/27] mac80211: rename ieee80211_i.h to mac80211_i.h To: linux-wireless@vger.kernel.org From: Kalle Valo Date: Sun, 29 May 2011 23:04:49 +0300 Message-ID: <20110529200449.16479.73135.stgit@localhost6.localdomain6> (sfid-20110529_220501_110045_3D1F8FFA) In-Reply-To: <20110529195022.16479.71762.stgit@localhost6.localdomain6> References: <20110529195022.16479.71762.stgit@localhost6.localdomain6> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Sender: linux-wireless-owner@vger.kernel.org List-ID: Signed-off-by: Kalle Valo --- net/mac80211/agg-rx.c | 2 net/mac80211/agg-tx.c | 2 net/mac80211/cfg.c | 2 net/mac80211/chan.c | 2 net/mac80211/debugfs.c | 2 net/mac80211/debugfs_key.c | 2 net/mac80211/debugfs_netdev.c | 2 net/mac80211/debugfs_sta.c | 2 net/mac80211/driver-ops.h | 2 net/mac80211/driver-trace.h | 2 net/mac80211/event.c | 2 net/mac80211/ht.c | 2 net/mac80211/ibss.c | 2 net/mac80211/ieee80211_i.h | 1409 ----------------------------------------- net/mac80211/iface.c | 2 net/mac80211/key.c | 2 net/mac80211/led.h | 2 net/mac80211/mac80211_i.h | 1409 +++++++++++++++++++++++++++++++++++++++++ net/mac80211/main.c | 2 net/mac80211/mesh.c | 2 net/mac80211/mesh.h | 2 net/mac80211/mesh_pathtbl.c | 2 net/mac80211/mesh_plink.c | 2 net/mac80211/mlme.c | 2 net/mac80211/offchannel.c | 2 net/mac80211/pm.c | 2 net/mac80211/rate.c | 2 net/mac80211/rate.h | 2 net/mac80211/rx.c | 2 net/mac80211/scan.c | 2 net/mac80211/spectmgmt.c | 2 net/mac80211/sta_info.c | 2 net/mac80211/status.c | 2 net/mac80211/tx.c | 2 net/mac80211/util.c | 2 net/mac80211/wep.c | 2 net/mac80211/wep.h | 2 net/mac80211/wme.c | 2 net/mac80211/wme.h | 2 net/mac80211/work.c | 2 net/mac80211/wpa.c | 2 net/mac80211/wpa.h | 2 42 files changed, 1449 insertions(+), 1449 deletions(-) delete mode 100644 net/mac80211/ieee80211_i.h create mode 100644 net/mac80211/mac80211_i.h diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c index 9c0d76c..9e92b73 100644 --- a/net/mac80211/agg-rx.c +++ b/net/mac80211/agg-rx.c @@ -39,7 +39,7 @@ #include #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "driver-ops.h" static void ieee80211_free_tid_rx(struct rcu_head *h) diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c index cd5125f..5f5a7ec 100644 --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c @@ -16,7 +16,7 @@ #include #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "driver-ops.h" #include "wme.h" diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index be70c70..d7ac1f3 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -13,7 +13,7 @@ #include #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "driver-ops.h" #include "cfg.h" #include "rate.h" diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c index 889c3e9..a412c4a 100644 --- a/net/mac80211/chan.c +++ b/net/mac80211/chan.c @@ -3,7 +3,7 @@ */ #include -#include "ieee80211_i.h" +#include "mac80211_i.h" static enum ieee80211_chan_mode __ieee80211_get_channel_mode(struct ieee80211_local *local, diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c index 186e02f..e8bd10a 100644 --- a/net/mac80211/debugfs.c +++ b/net/mac80211/debugfs.c @@ -10,7 +10,7 @@ #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "driver-ops.h" #include "rate.h" #include "debugfs.h" diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c index 33c58b8..958791f 100644 --- a/net/mac80211/debugfs_key.c +++ b/net/mac80211/debugfs_key.c @@ -10,7 +10,7 @@ #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "key.h" #include "debugfs.h" #include "debugfs_key.h" diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c index 9ea7c0d..950c1d5 100644 --- a/net/mac80211/debugfs_netdev.c +++ b/net/mac80211/debugfs_netdev.c @@ -17,7 +17,7 @@ #include #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "rate.h" #include "debugfs.h" #include "debugfs_netdev.h" diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c index a01d213..dc12396 100644 --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c @@ -10,7 +10,7 @@ #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "debugfs.h" #include "debugfs_sta.h" #include "sta_info.h" diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h index eebf7a6..06236f6 100644 --- a/net/mac80211/driver-ops.h +++ b/net/mac80211/driver-ops.h @@ -2,7 +2,7 @@ #define __MAC80211_DRIVER_OPS #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "driver-trace.h" static inline void drv_tx(struct ieee80211_local *local, struct sk_buff *skb) diff --git a/net/mac80211/driver-trace.h b/net/mac80211/driver-trace.h index ed9edcb..399ae8c 100644 --- a/net/mac80211/driver-trace.h +++ b/net/mac80211/driver-trace.h @@ -3,7 +3,7 @@ #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #if !defined(CONFIG_MAC80211_DRIVER_API_TRACER) || defined(__CHECKER__) #undef TRACE_EVENT diff --git a/net/mac80211/event.c b/net/mac80211/event.c index 01ae759..d888b5a 100644 --- a/net/mac80211/event.c +++ b/net/mac80211/event.c @@ -8,7 +8,7 @@ * mac80211 - events */ #include -#include "ieee80211_i.h" +#include "mac80211_i.h" /* * Indicate a failed Michael MIC to userspace. If the caller knows the TSC of diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c index 591add2..b931771 100644 --- a/net/mac80211/ht.c +++ b/net/mac80211/ht.c @@ -15,7 +15,7 @@ #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "rate.h" void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband, diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index 421eaa6..917041a 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -22,7 +22,7 @@ #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "driver-ops.h" #include "rate.h" diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h deleted file mode 100644 index 2025af5..0000000 --- a/net/mac80211/ieee80211_i.h +++ /dev/null @@ -1,1409 +0,0 @@ -/* - * Copyright 2002-2005, Instant802 Networks, Inc. - * Copyright 2005, Devicescape Software, Inc. - * Copyright 2006-2007 Jiri Benc - * Copyright 2007-2010 Johannes Berg - * - * 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. - */ - -#ifndef IEEE80211_I_H -#define IEEE80211_I_H - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include "key.h" -#include "sta_info.h" - -struct ieee80211_local; - -/* Maximum number of broadcast/multicast frames to buffer when some of the - * associated stations are using power saving. */ -#define AP_MAX_BC_BUFFER 128 - -/* Maximum number of frames buffered to all STAs, including multicast frames. - * Note: increasing this limit increases the potential memory requirement. Each - * frame can be up to about 2 kB long. */ -#define TOTAL_MAX_TX_BUFFER 512 - -/* Required encryption head and tailroom */ -#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_EXP_TIME(x) (jiffies + usecs_to_jiffies((x) * 1024)) - -#define IEEE80211_DEFAULT_UAPSD_QUEUES \ - (IEEE80211_WMM_IE_STA_QOSINFO_AC_BK | \ - IEEE80211_WMM_IE_STA_QOSINFO_AC_BE | \ - IEEE80211_WMM_IE_STA_QOSINFO_AC_VI | \ - IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) - -#define IEEE80211_DEFAULT_MAX_SP_LEN \ - IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL - -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 */ -}; - - -struct ieee80211_bss { - /* don't want to look up all the time */ - size_t ssid_len; - u8 ssid[IEEE80211_MAX_SSID_LEN]; - - u8 dtim_period; - - bool wmm_used; - bool uapsd_supported; - - unsigned long last_probe_resp; - -#ifdef CONFIG_MAC80211_MESH - u8 *mesh_id; - size_t mesh_id_len; - u8 *mesh_cfg; -#endif - -#define IEEE80211_MAX_SUPP_RATES 32 - u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; - size_t supp_rates_len; - - /* - * During association, we save an ERP value from a probe response so - * that we can feed ERP info to the driver when handling the - * association completes. these fields probably won't be up-to-date - * otherwise, you probably don't want to use them. - */ - bool has_erp_value; - u8 erp_value; -}; - -static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss) -{ -#ifdef CONFIG_MAC80211_MESH - return bss->mesh_cfg; -#endif - return NULL; -} - -static inline u8 *bss_mesh_id(struct ieee80211_bss *bss) -{ -#ifdef CONFIG_MAC80211_MESH - return bss->mesh_id; -#endif - return NULL; -} - -static inline u8 bss_mesh_id_len(struct ieee80211_bss *bss) -{ -#ifdef CONFIG_MAC80211_MESH - return bss->mesh_id_len; -#endif - return 0; -} - - -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) - -#define IEEE80211_TX_FRAGMENTED BIT(0) -#define IEEE80211_TX_UNICAST BIT(1) -#define IEEE80211_TX_PS_BUFFERED BIT(2) - -struct ieee80211_tx_data { - struct sk_buff *skb; - struct ieee80211_local *local; - struct ieee80211_sub_if_data *sdata; - struct sta_info *sta; - struct ieee80211_key *key; - - struct ieee80211_channel *channel; - - u16 ethertype; - 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_IN_SCAN: received while scanning - * @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 - * - * These are per-frame flags that are attached to a frame in the - * @rx_flags field of &struct ieee80211_rx_status. - */ -enum ieee80211_packet_rx_flags { - IEEE80211_RX_IN_SCAN = BIT(0), - 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), -}; - -/** - * enum ieee80211_rx_flags - RX data flags - * - * @IEEE80211_RX_CMNTR: received on cooked monitor already - * - * These flags are used across handling multiple interfaces - * for a single frame. - */ -enum ieee80211_rx_flags { - IEEE80211_RX_CMNTR = BIT(0), -}; - -struct ieee80211_rx_data { - struct sk_buff *skb; - struct ieee80211_local *local; - struct ieee80211_sub_if_data *sdata; - struct sta_info *sta; - struct ieee80211_key *key; - - unsigned int flags; - int queue; - u32 tkip_iv32; - u16 tkip_iv16; -}; - -struct beacon_data { - u8 *head, *tail; - int head_len, tail_len; - int dtim_period; -}; - -struct ieee80211_if_ap { - struct beacon_data __rcu *beacon; - - struct list_head vlans; - - /* 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)]; - struct sk_buff_head ps_bc_buf; - atomic_t num_sta_ps; /* number of stations in PS mode */ - int dtim_count; - bool dtim_bc_mc; -}; - -struct ieee80211_if_wds { - struct sta_info *sta; - u8 remote_addr[ETH_ALEN]; -}; - -struct ieee80211_if_vlan { - struct list_head list; - - /* used for all tx if the VLAN is configured to 4-addr mode */ - struct sta_info __rcu *sta; -}; - -struct mesh_stats { - __u32 fwded_mcast; /* Mesh forwarded multicast frames */ - __u32 fwded_unicast; /* Mesh forwarded unicast frames */ - __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 */ - atomic_t estab_plinks; -}; - -#define PREQ_Q_F_START 0x1 -#define PREQ_Q_F_REFRESH 0x2 -struct mesh_preq_queue { - struct list_head list; - u8 dst[ETH_ALEN]; - u8 flags; -}; - -enum ieee80211_work_type { - IEEE80211_WORK_ABORT, - IEEE80211_WORK_DIRECT_PROBE, - IEEE80211_WORK_AUTH, - IEEE80211_WORK_ASSOC_BEACON_WAIT, - IEEE80211_WORK_ASSOC, - IEEE80211_WORK_REMAIN_ON_CHANNEL, - IEEE80211_WORK_OFFCHANNEL_TX, -}; - -/** - * enum work_done_result - indicates what to do after work was done - * - * @WORK_DONE_DESTROY: This work item is no longer needed, destroy. - * @WORK_DONE_REQUEUE: This work item was reset to be reused, and - * should be requeued. - */ -enum work_done_result { - WORK_DONE_DESTROY, - WORK_DONE_REQUEUE, -}; - -struct ieee80211_work { - struct list_head list; - - struct rcu_head rcu_head; - - struct ieee80211_sub_if_data *sdata; - - enum work_done_result (*done)(struct ieee80211_work *wk, - struct sk_buff *skb); - - struct ieee80211_channel *chan; - enum nl80211_channel_type chan_type; - - unsigned long timeout; - enum ieee80211_work_type type; - - u8 filter_ta[ETH_ALEN]; - - bool started; - - union { - struct { - int tries; - u16 algorithm, transaction; - u8 ssid[IEEE80211_MAX_SSID_LEN]; - u8 ssid_len; - u8 key[WLAN_KEY_LEN_WEP104]; - u8 key_len, key_idx; - bool privacy; - } probe_auth; - struct { - struct cfg80211_bss *bss; - const u8 *supp_rates; - const u8 *ht_information_ie; - enum ieee80211_smps_mode smps; - int tries; - u16 capability; - u8 prev_bssid[ETH_ALEN]; - u8 ssid[IEEE80211_MAX_SSID_LEN]; - u8 ssid_len; - u8 supp_rates_len; - bool wmm_used, use_11n, uapsd_used; - } assoc; - struct { - u32 duration; - } remain; - struct { - struct sk_buff *frame; - u32 wait; - } offchan_tx; - }; - - int ie_len; - /* must be last */ - u8 ie[0]; -}; - -/* 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_11N = 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), -}; - -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; - - unsigned long beacon_timeout; - unsigned long probe_timeout; - int probe_send_count; - bool nullfunc_failed; - - struct mutex mtx; - struct cfg80211_bss *associated; - - u8 bssid[ETH_ALEN]; - - u16 aid; - - unsigned long timers_running; /* used for quiesce/restart */ - bool powersave; /* powersave requested for this iface */ - enum ieee80211_smps_mode req_smps, /* requested smps mode */ - ap_smps, /* smps mode AP thinks we're in */ - driver_smps_mode; /* smps mode request */ - - struct work_struct request_smps_work; - - unsigned int flags; - - bool beacon_crc_valid; - u32 beacon_crc; - - enum { - IEEE80211_MFP_DISABLED, - IEEE80211_MFP_OPTIONAL, - IEEE80211_MFP_REQUIRED - } mfp; /* management frame protection */ - - int wmm_last_param_set; - - u8 use_4addr; - - /* 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; -}; - -struct ieee80211_if_ibss { - struct timer_list timer; - - struct mutex mtx; - - unsigned long last_scan_completed; - - u32 basic_rates; - - bool timer_running; - - bool fixed_bssid; - bool fixed_channel; - bool privacy; - - u8 bssid[ETH_ALEN]; - u8 ssid[IEEE80211_MAX_SSID_LEN]; - u8 ssid_len, ie_len; - u8 *ie; - struct ieee80211_channel *channel; - - unsigned long ibss_join_req; - /* probe response/beacon for IBSS */ - struct sk_buff __rcu *presp; - struct sk_buff *skb; - - enum { - IEEE80211_IBSS_MLME_SEARCH, - IEEE80211_IBSS_MLME_JOINED, - } state; -}; - -struct ieee80211_if_mesh { - struct timer_list housekeeping_timer; - struct timer_list mesh_path_timer; - struct timer_list mesh_path_root_timer; - - unsigned long timers_running; - - unsigned long wrkq_flags; - - u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; - size_t mesh_id_len; - /* Active Path Selection Protocol Identifier */ - u8 mesh_pp_id; - /* Active Path Selection Metric Identifier */ - u8 mesh_pm_id; - /* Congestion Control Mode Identifier */ - u8 mesh_cc_id; - /* Synchronization Protocol Identifier */ - u8 mesh_sp_id; - /* Authentication Protocol Identifier */ - u8 mesh_auth_id; - /* Local mesh Sequence Number */ - u32 sn; - /* Last used PREQ ID */ - u32 preq_id; - atomic_t mpaths; - /* Timestamp of last SN update */ - unsigned long last_sn_update; - /* Timestamp of last SN sent */ - unsigned long last_preq; - struct mesh_rmc *rmc; - spinlock_t mesh_preq_queue_lock; - struct mesh_preq_queue preq_queue; - int preq_queue_len; - struct mesh_stats mshstats; - struct mesh_config mshcfg; - u32 mesh_seqnum; - bool accepting_plinks; - const u8 *ie; - u8 ie_len; - enum { - IEEE80211_MESH_SEC_NONE = 0x0, - IEEE80211_MESH_SEC_AUTHED = 0x1, - IEEE80211_MESH_SEC_SECURED = 0x2, - } security; -}; - -#ifdef CONFIG_MAC80211_MESH -#define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ - do { (msh)->mshstats.name++; } while (0) -#else -#define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ - do { } while (0) -#endif - -/** - * 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. - */ -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), -}; - -/** - * enum ieee80211_sdata_state_bits - virtual interface state bits - * @SDATA_STATE_RUNNING: virtual interface is up & running; this - * mirrors netif_running() but is separate for interface type - * change handling while the interface is up - * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel - * mode, so queues are stopped - */ -enum ieee80211_sdata_state_bits { - SDATA_STATE_RUNNING, - SDATA_STATE_OFFCHANNEL, -}; - -struct ieee80211_sub_if_data { - struct list_head list; - - struct wireless_dev wdev; - - /* keys */ - struct list_head key_list; - - struct net_device *dev; - struct ieee80211_local *local; - - unsigned int flags; - - unsigned long state; - - int drop_unencrypted; - - char name[IFNAMSIZ]; - - /* - * keep track of whether the HT opmode (stored in - * vif.bss_info.ht_operation_mode) is valid. - */ - bool ht_opmode_valid; - - /* to detect idle changes */ - bool old_idle; - - /* Fragment table for host-based reassembly */ - struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; - unsigned int fragment_next; - - struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_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; - __be16 control_port_protocol; - bool control_port_no_encrypt; - - struct work_struct work; - struct sk_buff_head skb_queue; - - bool arp_filter_state; - - /* - * AP this belongs to: self in AP mode and - * corresponding AP in VLAN mode, NULL for - * all others (might be needed later in IBSS) - */ - struct ieee80211_if_ap *bss; - - /* bitmap of allowed (non-MCS) rate indexes for rate control */ - u32 rc_rateidx_mask[IEEE80211_NUM_BANDS]; - - 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; - } u; - -#ifdef CONFIG_MAC80211_DEBUGFS - struct { - struct dentry *dir; - struct dentry *subdir_stations; - struct dentry *default_unicast_key; - struct dentry *default_multicast_key; - struct dentry *default_mgmt_key; - } debugfs; -#endif - /* must be last, dynamically sized area in this! */ - struct ieee80211_vif vif; -}; - -static inline -struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) -{ - return container_of(p, struct ieee80211_sub_if_data, vif); -} - -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, -}; - -enum queue_stop_reason { - IEEE80211_QUEUE_STOP_REASON_DRIVER, - IEEE80211_QUEUE_STOP_REASON_PS, - IEEE80211_QUEUE_STOP_REASON_CSA, - IEEE80211_QUEUE_STOP_REASON_AGGREGATION, - IEEE80211_QUEUE_STOP_REASON_SUSPEND, - IEEE80211_QUEUE_STOP_REASON_SKB_ADD, -}; - -#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; - unsigned long prev_traffic; - unsigned long tx_bytes, rx_bytes; - unsigned int active, want; - bool running; -}; -#endif - -/** - * 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 - * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to - * determine if we are on the operating channel or not - * @SCAN_COMPLETED: Set for our scan work function when the driver reported - * that the scan completed. - * @SCAN_ABORTED: Set for our scan work function when the driver reported - * a scan complete for an aborted scan. - */ -enum { - SCAN_SW_SCANNING, - SCAN_HW_SCANNING, - SCAN_COMPLETED, - SCAN_ABORTED, -}; - -/** - * enum mac80211_scan_state - scan state machine states - * - * @SCAN_DECISION: Main entry point to the scan state machine, this state - * determines if we should keep on scanning or switch back to the - * operating channel - * @SCAN_SET_CHANNEL: Set the next channel to be scanned - * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses - * @SCAN_LEAVE_OPER_CHANNEL: Leave the operating channel, notify the AP - * about us leaving the channel and stop all associated STA interfaces - * @SCAN_ENTER_OPER_CHANNEL: Enter the operating channel again, notify the - * AP about us being back and restart all associated STA interfaces - */ -enum mac80211_scan_state { - SCAN_DECISION, - SCAN_SET_CHANNEL, - SCAN_SEND_PROBE, - SCAN_LEAVE_OPER_CHANNEL, - SCAN_ENTER_OPER_CHANNEL, -}; - -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; - - const struct ieee80211_ops *ops; - - /* - * work stuff, potentially off-channel (in the future) - */ - struct list_head work_list; - struct timer_list work_timer; - struct work_struct work_work; - struct sk_buff_head work_skb_queue; - - /* - * private workqueue to mac80211. mac80211 makes this accessible - * via ieee80211_queue_work() - */ - struct workqueue_struct *workqueue; - - unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; - /* 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; - /* 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; - unsigned int filter_flags; /* FIF_* */ - - bool wiphy_ciphers_allocated; - - /* protects the aggregated multicast list and filter calls */ - spinlock_t filter_lock; - - /* used for uploading changed mc list */ - struct work_struct reconfig_filter; - - /* used to reconfigure hardware SM PS */ - struct work_struct recalc_smps; - - /* aggregated multicast list */ - struct netdev_hw_addr_list mc_list; - - bool tim_in_locked_section; /* see ieee80211_beacon_get() */ - - /* - * suspended is true if we finished all the suspend _and_ we have - * not yet come up from resume. This is to be used by mac80211 - * to ensure driver sanity during suspend and mac80211's own - * sanity. It can eventually be used for WoW as well. - */ - bool suspended; - - /* - * Resuming is true while suspended, but when we're reprogramming the - * hardware -- at that time it's allowed to use ieee80211_queue_work() - * again even though some other parts of the stack are still suspended - * and we still drop received frames to avoid waking the stack. - */ - bool resuming; - - /* - * quiescing is true during the suspend process _only_ to - * ease timer cancelling etc. - */ - bool quiescing; - - /* device is started */ - bool started; - - /* wowlan is enabled -- don't reconfig on resume */ - bool wowlan; - - int tx_headroom; /* required headroom for hardware/radiotap */ - - /* count for keys needing tailroom space allocation */ - int crypto_tx_tailroom_needed_cnt; - - /* Tasklet and skb queue to process calls from IRQ mode. All frames - * added to skb_queue will be processed, but frames in - * skb_queue_unreliable may be dropped if the total length of these - * queues increases over the limit. */ -#define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 - struct tasklet_struct tasklet; - struct sk_buff_head skb_queue; - struct sk_buff_head skb_queue_unreliable; - - /* - * Internal FIFO queue which is shared between multiple rx path - * stages. Its main task is to provide a serialization mechanism, - * so all rx handlers can enjoy having exclusive access to their - * private data structures. - */ - struct sk_buff_head rx_skb_queue; - bool running_rx_handler; /* protected by rx_skb_queue.lock */ - - /* Station data */ - /* - * The mutex only protects the list and counter, - * reads are done in RCU. - * Additionally, the lock protects the hash table, - * the pending list and each BSS's TIM bitmap. - */ - struct mutex sta_mtx; - spinlock_t sta_lock; - unsigned long num_sta; - struct list_head sta_list, sta_pending_list; - struct sta_info __rcu *sta_hash[STA_HASH_SIZE]; - struct timer_list sta_cleanup; - struct work_struct sta_finish_work; - int sta_generation; - - struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; - struct tasklet_struct tx_pending_tasklet; - - atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; - - /* number of interfaces with corresponding IFF_ flags */ - atomic_t iff_allmultis, iff_promiscs; - - struct rate_control_ref *rate_ctrl; - - struct crypto_cipher *wep_tx_tfm; - struct crypto_cipher *wep_rx_tfm; - u32 wep_iv; - - /* see iface.c */ - struct list_head interfaces; - 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; - int scan_channel_idx; - int scan_ies_len; - - bool sched_scanning; - struct ieee80211_sched_scan_ies sched_scan_ies; - struct work_struct sched_scan_stopped_work; - - unsigned long leave_oper_channel_time; - enum mac80211_scan_state next_scan_state; - struct delayed_work scan_work; - struct ieee80211_sub_if_data *scan_sdata; - enum nl80211_channel_type _oper_channel_type; - struct ieee80211_channel *oper_channel, *csa_channel; - - /* Temporary remain-on-channel for off-channel operations */ - struct ieee80211_channel *tmp_channel; - enum nl80211_channel_type tmp_channel_type; - - /* SNMP counters */ - /* dot11CountersTable */ - u32 dot11TransmittedFragmentCount; - u32 dot11MulticastTransmittedFrameCount; - u32 dot11FailedCount; - u32 dot11RetryCount; - u32 dot11MultipleRetryCount; - u32 dot11FrameDuplicateCount; - u32 dot11ReceivedFragmentCount; - 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; - unsigned int rx_handlers_drop; - 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 rx_handlers_drop_passive_scan; - 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_handlers_fragments; - unsigned int tx_status_drop; -#define I802_DEBUG_INC(c) (c)++ -#else /* CONFIG_MAC80211_DEBUG_COUNTERS */ -#define I802_DEBUG_INC(c) do { } while (0) -#endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ - - - int total_ps_buffered; /* total number of all buffered unicast and - * multicast packets for power saving stations - */ - int wifi_wme_noack_test; - unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ - - /* - * Bitmask of enabled u-apsd queues, - * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association - * to take effect. - */ - unsigned int uapsd_queues; - - /* - * Maximum number of buffered frames AP can deliver during a - * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. - * Needs a new association to take effect. - */ - unsigned int uapsd_max_sp_len; - - 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 timer_list dynamic_ps_timer; - struct notifier_block network_latency_notifier; - struct notifier_block ifa_notifier; - - /* - * The dynamic ps timeout configured from user space via WEXT - - * this will override whatever chosen by mac80211 internally. - */ - int dynamic_ps_forced_timeout; - int dynamic_ps_user_timeout; - bool disable_dynamic_ps; - - int user_power_level; /* in dBm */ - int power_constr_level; /* in dBm */ - - enum ieee80211_smps_mode smps_mode; - - struct work_struct restart_work; - -#ifdef CONFIG_MAC80211_DEBUGFS - struct local_debugfsdentries { - struct dentry *rcdir; - struct dentry *keys; - } debugfs; -#endif - - struct ieee80211_channel *hw_roc_channel; - struct net_device *hw_roc_dev; - struct sk_buff *hw_roc_skb, *hw_roc_skb_for_status; - struct work_struct hw_roc_start, hw_roc_done; - enum nl80211_channel_type hw_roc_channel_type; - unsigned int hw_roc_duration; - u32 hw_roc_cookie; - bool hw_roc_for_tx; - unsigned long hw_offchan_tx_cookie; - - /* dummy netdev for use w/ NAPI */ - struct net_device napi_dev; - - struct napi_struct napi; -}; - -static inline struct ieee80211_sub_if_data * -IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) -{ - return netdev_priv(dev); -} - -/* this struct represents 802.11n's RA/TID combination */ -struct ieee80211_ra_tid { - u8 ra[ETH_ALEN]; - u16 tid; -}; - -/* Parsed Information Elements */ -struct ieee802_11_elems { - u8 *ie_start; - size_t total_len; - - /* pointers to IEs */ - u8 *ssid; - u8 *supp_rates; - u8 *fh_params; - u8 *ds_params; - u8 *cf_params; - struct ieee80211_tim_ie *tim; - u8 *ibss_params; - u8 *challenge; - u8 *wpa; - u8 *rsn; - u8 *erp_info; - u8 *ext_supp_rates; - u8 *wmm_info; - u8 *wmm_param; - struct ieee80211_ht_cap *ht_cap_elem; - struct ieee80211_ht_info *ht_info_elem; - struct ieee80211_meshconf_ie *mesh_config; - u8 *mesh_id; - u8 *peer_link; - u8 *preq; - u8 *prep; - u8 *perr; - struct ieee80211_rann_ie *rann; - u8 *ch_switch_elem; - u8 *country_elem; - u8 *pwr_constr_elem; - u8 *quiet_elem; /* first quite element */ - u8 *timeout_int; - - /* length of them, respectively */ - u8 ssid_len; - u8 supp_rates_len; - u8 fh_params_len; - u8 ds_params_len; - u8 cf_params_len; - u8 tim_len; - u8 ibss_params_len; - u8 challenge_len; - u8 wpa_len; - u8 rsn_len; - u8 erp_info_len; - u8 ext_supp_rates_len; - u8 wmm_info_len; - u8 wmm_param_len; - u8 mesh_id_len; - u8 peer_link_len; - u8 preq_len; - u8 prep_len; - u8 perr_len; - u8 ch_switch_elem_len; - u8 country_elem_len; - u8 pwr_constr_elem_len; - u8 quiet_elem_len; - u8 num_of_quiet_elem; /* can be more the one */ - u8 timeout_int_len; -}; - -static inline struct ieee80211_local *hw_to_local( - struct ieee80211_hw *hw) -{ - return container_of(hw, struct ieee80211_local, hw); -} - -static inline struct ieee80211_hw *local_to_hw( - struct ieee80211_local *local) -{ - return &local->hw; -} - - -static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) -{ - return compare_ether_addr(raddr, addr) == 0 || - is_broadcast_ether_addr(raddr); -} - - -int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); -void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); -void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, - u32 changed); -void ieee80211_configure_filter(struct ieee80211_local *local); -u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); - -/* STA code */ -void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); -int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, - struct cfg80211_auth_request *req); -int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, - struct cfg80211_assoc_request *req); -int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, - struct cfg80211_deauth_request *req, - void *cookie); -int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, - struct cfg80211_disassoc_request *req, - void *cookie); -void ieee80211_send_pspoll(struct ieee80211_local *local, - struct ieee80211_sub_if_data *sdata); -void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); -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_process_chanswitch(struct ieee80211_sub_if_data *sdata, - struct ieee80211_channel_sw_ie *sw_elem, - struct ieee80211_bss *bss, - u64 timestamp); -void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata); -void ieee80211_sta_restart(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_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); -void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); - -/* IBSS code */ -void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); -void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); -struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata, - u8 *bssid, u8 *addr, u32 supp_rates, - gfp_t gfp); -int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, - struct cfg80211_ibss_params *params); -int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); -void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata); -void ieee80211_ibss_restart(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); - -/* 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); - -/* scan/BSS handling */ -void ieee80211_scan_work(struct work_struct *work); -int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata, - const u8 *ssid, u8 ssid_len, - struct ieee80211_channel *chan); -int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, - struct cfg80211_scan_request *req); -void ieee80211_scan_cancel(struct ieee80211_local *local); -ieee80211_rx_result -ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); - -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, - bool beacon); -struct ieee80211_bss * -ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq, - u8 *ssid, u8 ssid_len); -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_stop(struct ieee80211_sub_if_data *sdata); -void ieee80211_sched_scan_stopped_work(struct work_struct *work); - -/* off-channel helpers */ -bool ieee80211_cfg_on_oper_channel(struct ieee80211_local *local); -void ieee80211_offchannel_enable_all_ps(struct ieee80211_local *local, - bool tell_ap); -void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local, - bool offchannel_ps_enable); -void ieee80211_offchannel_return(struct ieee80211_local *local, - bool enable_beaconing, - bool offchannel_ps_disable); -void ieee80211_hw_roc_setup(struct ieee80211_local *local); - -/* interface handling */ -int ieee80211_iface_init(void); -void ieee80211_iface_exit(void); -int ieee80211_if_add(struct ieee80211_local *local, const char *name, - struct net_device **new_dev, enum nl80211_iftype type, - struct vif_params *params); -int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, - enum nl80211_iftype type); -void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); -void ieee80211_remove_interfaces(struct ieee80211_local *local); -u32 __ieee80211_recalc_idle(struct ieee80211_local *local); -void ieee80211_recalc_idle(struct ieee80211_local *local); -void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, - const int offset); - -static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) -{ - return test_bit(SDATA_STATE_RUNNING, &sdata->state); -} - -/* tx handling */ -void ieee80211_clear_tx_pending(struct ieee80211_local *local); -void ieee80211_tx_pending(unsigned long data); -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); - -/* - * radiotap header for status frames - */ -struct ieee80211_tx_status_rtap_hdr { - struct ieee80211_radiotap_header hdr; - u8 rate; - u8 padding_for_rate; - __le16 tx_flags; - u8 data_retries; -} __packed; - - -/* HT */ -void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband, - struct ieee80211_ht_cap *ht_cap_ie, - struct ieee80211_sta_ht_cap *ht_cap); -void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn); -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); -void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, - u16 initiator, u16 reason, bool stop); -void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, bool tx); -void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, - struct sta_info *sta, - struct ieee80211_mgmt *mgmt, size_t len); -void ieee80211_process_addba_resp(struct ieee80211_local *local, - struct sta_info *sta, - struct ieee80211_mgmt *mgmt, - size_t len); -void ieee80211_process_addba_request(struct ieee80211_local *local, - struct sta_info *sta, - struct ieee80211_mgmt *mgmt, - size_t len); - -int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, - enum ieee80211_back_parties initiator, - bool tx); -int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, - enum ieee80211_back_parties initiator, - bool tx); -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_tx_ba_session_handle_start(struct sta_info *sta, int tid); -void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); - -/* Spectrum management */ -void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, - struct ieee80211_mgmt *mgmt, - size_t len); - -/* Suspend/resume and hw reconfiguration */ -int ieee80211_reconfig(struct ieee80211_local *local); -void ieee80211_stop_device(struct ieee80211_local *local); - -#ifdef CONFIG_PM -int __ieee80211_suspend(struct ieee80211_hw *hw, - struct cfg80211_wowlan *wowlan); - -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), - "%s: resume with hardware scan still in progress\n", - wiphy_name(hw->wiphy)); - - return ieee80211_reconfig(hw_to_local(hw)); -} -#else -static inline int __ieee80211_suspend(struct ieee80211_hw *hw, - struct cfg80211_wowlan *wowlan) -{ - return 0; -} - -static inline int __ieee80211_resume(struct ieee80211_hw *hw) -{ - return 0; -} -#endif - -/* 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(struct ieee80211_local *local, 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); -void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); -void ieee802_11_parse_elems(u8 *start, size_t len, - struct ieee802_11_elems *elems); -u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, - struct ieee802_11_elems *elems, - u64 filter, u32 crc); -u32 ieee80211_mandatory_rates(struct ieee80211_local *local, - enum ieee80211_band band); - -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_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); -void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, - struct ieee80211_hdr *hdr, bool ack); -void ieee80211_beacon_connection_loss_work(struct work_struct *work); - -void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, - enum queue_stop_reason reason); -void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, - enum queue_stop_reason reason); -void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, - enum queue_stop_reason reason); -void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, - enum queue_stop_reason reason); -void ieee80211_add_pending_skb(struct ieee80211_local *local, - struct sk_buff *skb); -int ieee80211_add_pending_skbs(struct ieee80211_local *local, - struct sk_buff_head *skbs); -int ieee80211_add_pending_skbs_fn(struct ieee80211_local *local, - struct sk_buff_head *skbs, - void (*fn)(void *data), void *data); - -void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, - u16 transaction, u16 auth_alg, - u8 *extra, size_t extra_len, const u8 *bssid, - const u8 *key, u8 key_len, u8 key_idx); -int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, - const u8 *ie, size_t ie_len, - enum ieee80211_band band, u32 rate_mask, - u8 channel); -struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, - u8 *dst, - const u8 *ssid, size_t ssid_len, - const u8 *ie, size_t ie_len); -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); - -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, - struct ieee802_11_elems *elems, - enum ieee80211_band band); -int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, - enum ieee80211_smps_mode smps_mode); -void ieee80211_recalc_smps(struct ieee80211_local *local); - -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); - -/* internal work items */ -void ieee80211_work_init(struct ieee80211_local *local); -void ieee80211_add_work(struct ieee80211_work *wk); -void free_work(struct ieee80211_work *wk); -void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata); -ieee80211_rx_result ieee80211_work_rx_mgmt(struct ieee80211_sub_if_data *sdata, - struct sk_buff *skb); -int ieee80211_wk_remain_on_channel(struct ieee80211_sub_if_data *sdata, - struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type, - unsigned int duration, u64 *cookie); -int ieee80211_wk_cancel_remain_on_channel( - struct ieee80211_sub_if_data *sdata, u64 cookie); - -/* channel management */ -enum ieee80211_chan_mode { - CHAN_MODE_UNDEFINED, - CHAN_MODE_HOPPING, - CHAN_MODE_FIXED, -}; - -enum ieee80211_chan_mode -ieee80211_get_channel_mode(struct ieee80211_local *local, - struct ieee80211_sub_if_data *ignore); -bool ieee80211_set_channel_type(struct ieee80211_local *local, - struct ieee80211_sub_if_data *sdata, - enum nl80211_channel_type chantype); - -#ifdef CONFIG_MAC80211_NOINLINE -#define debug_noinline noinline -#else -#define debug_noinline -#endif - -#endif /* IEEE80211_I_H */ diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index dee30ae..08e987e 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -17,7 +17,7 @@ #include #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "sta_info.h" #include "debugfs_netdev.h" #include "mesh.h" diff --git a/net/mac80211/key.c b/net/mac80211/key.c index 31afd71..6093e51 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -16,7 +16,7 @@ #include #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "driver-ops.h" #include "debugfs_key.h" #include "aes_ccm.h" diff --git a/net/mac80211/led.h b/net/mac80211/led.h index e0275d9..9be15dd 100644 --- a/net/mac80211/led.h +++ b/net/mac80211/led.h @@ -9,7 +9,7 @@ #include #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #ifdef CONFIG_MAC80211_LEDS void ieee80211_led_rx(struct ieee80211_local *local); diff --git a/net/mac80211/mac80211_i.h b/net/mac80211/mac80211_i.h new file mode 100644 index 0000000..cb1ec5f --- /dev/null +++ b/net/mac80211/mac80211_i.h @@ -0,0 +1,1409 @@ +/* + * Copyright 2002-2005, Instant802 Networks, Inc. + * Copyright 2005, Devicescape Software, Inc. + * Copyright 2006-2007 Jiri Benc + * Copyright 2007-2010 Johannes Berg + * + * 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. + */ + +#ifndef MAC80211_I_H +#define MAC80211_I_H + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "key.h" +#include "sta_info.h" + +struct ieee80211_local; + +/* Maximum number of broadcast/multicast frames to buffer when some of the + * associated stations are using power saving. */ +#define AP_MAX_BC_BUFFER 128 + +/* Maximum number of frames buffered to all STAs, including multicast frames. + * Note: increasing this limit increases the potential memory requirement. Each + * frame can be up to about 2 kB long. */ +#define TOTAL_MAX_TX_BUFFER 512 + +/* Required encryption head and tailroom */ +#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_EXP_TIME(x) (jiffies + usecs_to_jiffies((x) * 1024)) + +#define IEEE80211_DEFAULT_UAPSD_QUEUES \ + (IEEE80211_WMM_IE_STA_QOSINFO_AC_BK | \ + IEEE80211_WMM_IE_STA_QOSINFO_AC_BE | \ + IEEE80211_WMM_IE_STA_QOSINFO_AC_VI | \ + IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) + +#define IEEE80211_DEFAULT_MAX_SP_LEN \ + IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL + +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 */ +}; + + +struct ieee80211_bss { + /* don't want to look up all the time */ + size_t ssid_len; + u8 ssid[IEEE80211_MAX_SSID_LEN]; + + u8 dtim_period; + + bool wmm_used; + bool uapsd_supported; + + unsigned long last_probe_resp; + +#ifdef CONFIG_MAC80211_MESH + u8 *mesh_id; + size_t mesh_id_len; + u8 *mesh_cfg; +#endif + +#define IEEE80211_MAX_SUPP_RATES 32 + u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; + size_t supp_rates_len; + + /* + * During association, we save an ERP value from a probe response so + * that we can feed ERP info to the driver when handling the + * association completes. these fields probably won't be up-to-date + * otherwise, you probably don't want to use them. + */ + bool has_erp_value; + u8 erp_value; +}; + +static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss) +{ +#ifdef CONFIG_MAC80211_MESH + return bss->mesh_cfg; +#endif + return NULL; +} + +static inline u8 *bss_mesh_id(struct ieee80211_bss *bss) +{ +#ifdef CONFIG_MAC80211_MESH + return bss->mesh_id; +#endif + return NULL; +} + +static inline u8 bss_mesh_id_len(struct ieee80211_bss *bss) +{ +#ifdef CONFIG_MAC80211_MESH + return bss->mesh_id_len; +#endif + return 0; +} + + +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) + +#define IEEE80211_TX_FRAGMENTED BIT(0) +#define IEEE80211_TX_UNICAST BIT(1) +#define IEEE80211_TX_PS_BUFFERED BIT(2) + +struct ieee80211_tx_data { + struct sk_buff *skb; + struct ieee80211_local *local; + struct ieee80211_sub_if_data *sdata; + struct sta_info *sta; + struct ieee80211_key *key; + + struct ieee80211_channel *channel; + + u16 ethertype; + 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_IN_SCAN: received while scanning + * @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 + * + * These are per-frame flags that are attached to a frame in the + * @rx_flags field of &struct ieee80211_rx_status. + */ +enum ieee80211_packet_rx_flags { + IEEE80211_RX_IN_SCAN = BIT(0), + 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), +}; + +/** + * enum ieee80211_rx_flags - RX data flags + * + * @IEEE80211_RX_CMNTR: received on cooked monitor already + * + * These flags are used across handling multiple interfaces + * for a single frame. + */ +enum ieee80211_rx_flags { + IEEE80211_RX_CMNTR = BIT(0), +}; + +struct ieee80211_rx_data { + struct sk_buff *skb; + struct ieee80211_local *local; + struct ieee80211_sub_if_data *sdata; + struct sta_info *sta; + struct ieee80211_key *key; + + unsigned int flags; + int queue; + u32 tkip_iv32; + u16 tkip_iv16; +}; + +struct beacon_data { + u8 *head, *tail; + int head_len, tail_len; + int dtim_period; +}; + +struct ieee80211_if_ap { + struct beacon_data __rcu *beacon; + + struct list_head vlans; + + /* 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)]; + struct sk_buff_head ps_bc_buf; + atomic_t num_sta_ps; /* number of stations in PS mode */ + int dtim_count; + bool dtim_bc_mc; +}; + +struct ieee80211_if_wds { + struct sta_info *sta; + u8 remote_addr[ETH_ALEN]; +}; + +struct ieee80211_if_vlan { + struct list_head list; + + /* used for all tx if the VLAN is configured to 4-addr mode */ + struct sta_info __rcu *sta; +}; + +struct mesh_stats { + __u32 fwded_mcast; /* Mesh forwarded multicast frames */ + __u32 fwded_unicast; /* Mesh forwarded unicast frames */ + __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 */ + atomic_t estab_plinks; +}; + +#define PREQ_Q_F_START 0x1 +#define PREQ_Q_F_REFRESH 0x2 +struct mesh_preq_queue { + struct list_head list; + u8 dst[ETH_ALEN]; + u8 flags; +}; + +enum ieee80211_work_type { + IEEE80211_WORK_ABORT, + IEEE80211_WORK_DIRECT_PROBE, + IEEE80211_WORK_AUTH, + IEEE80211_WORK_ASSOC_BEACON_WAIT, + IEEE80211_WORK_ASSOC, + IEEE80211_WORK_REMAIN_ON_CHANNEL, + IEEE80211_WORK_OFFCHANNEL_TX, +}; + +/** + * enum work_done_result - indicates what to do after work was done + * + * @WORK_DONE_DESTROY: This work item is no longer needed, destroy. + * @WORK_DONE_REQUEUE: This work item was reset to be reused, and + * should be requeued. + */ +enum work_done_result { + WORK_DONE_DESTROY, + WORK_DONE_REQUEUE, +}; + +struct ieee80211_work { + struct list_head list; + + struct rcu_head rcu_head; + + struct ieee80211_sub_if_data *sdata; + + enum work_done_result (*done)(struct ieee80211_work *wk, + struct sk_buff *skb); + + struct ieee80211_channel *chan; + enum nl80211_channel_type chan_type; + + unsigned long timeout; + enum ieee80211_work_type type; + + u8 filter_ta[ETH_ALEN]; + + bool started; + + union { + struct { + int tries; + u16 algorithm, transaction; + u8 ssid[IEEE80211_MAX_SSID_LEN]; + u8 ssid_len; + u8 key[WLAN_KEY_LEN_WEP104]; + u8 key_len, key_idx; + bool privacy; + } probe_auth; + struct { + struct cfg80211_bss *bss; + const u8 *supp_rates; + const u8 *ht_information_ie; + enum ieee80211_smps_mode smps; + int tries; + u16 capability; + u8 prev_bssid[ETH_ALEN]; + u8 ssid[IEEE80211_MAX_SSID_LEN]; + u8 ssid_len; + u8 supp_rates_len; + bool wmm_used, use_11n, uapsd_used; + } assoc; + struct { + u32 duration; + } remain; + struct { + struct sk_buff *frame; + u32 wait; + } offchan_tx; + }; + + int ie_len; + /* must be last */ + u8 ie[0]; +}; + +/* 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_11N = 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), +}; + +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; + + unsigned long beacon_timeout; + unsigned long probe_timeout; + int probe_send_count; + bool nullfunc_failed; + + struct mutex mtx; + struct cfg80211_bss *associated; + + u8 bssid[ETH_ALEN]; + + u16 aid; + + unsigned long timers_running; /* used for quiesce/restart */ + bool powersave; /* powersave requested for this iface */ + enum ieee80211_smps_mode req_smps, /* requested smps mode */ + ap_smps, /* smps mode AP thinks we're in */ + driver_smps_mode; /* smps mode request */ + + struct work_struct request_smps_work; + + unsigned int flags; + + bool beacon_crc_valid; + u32 beacon_crc; + + enum { + IEEE80211_MFP_DISABLED, + IEEE80211_MFP_OPTIONAL, + IEEE80211_MFP_REQUIRED + } mfp; /* management frame protection */ + + int wmm_last_param_set; + + u8 use_4addr; + + /* 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; +}; + +struct ieee80211_if_ibss { + struct timer_list timer; + + struct mutex mtx; + + unsigned long last_scan_completed; + + u32 basic_rates; + + bool timer_running; + + bool fixed_bssid; + bool fixed_channel; + bool privacy; + + u8 bssid[ETH_ALEN]; + u8 ssid[IEEE80211_MAX_SSID_LEN]; + u8 ssid_len, ie_len; + u8 *ie; + struct ieee80211_channel *channel; + + unsigned long ibss_join_req; + /* probe response/beacon for IBSS */ + struct sk_buff __rcu *presp; + struct sk_buff *skb; + + enum { + IEEE80211_IBSS_MLME_SEARCH, + IEEE80211_IBSS_MLME_JOINED, + } state; +}; + +struct ieee80211_if_mesh { + struct timer_list housekeeping_timer; + struct timer_list mesh_path_timer; + struct timer_list mesh_path_root_timer; + + unsigned long timers_running; + + unsigned long wrkq_flags; + + u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; + size_t mesh_id_len; + /* Active Path Selection Protocol Identifier */ + u8 mesh_pp_id; + /* Active Path Selection Metric Identifier */ + u8 mesh_pm_id; + /* Congestion Control Mode Identifier */ + u8 mesh_cc_id; + /* Synchronization Protocol Identifier */ + u8 mesh_sp_id; + /* Authentication Protocol Identifier */ + u8 mesh_auth_id; + /* Local mesh Sequence Number */ + u32 sn; + /* Last used PREQ ID */ + u32 preq_id; + atomic_t mpaths; + /* Timestamp of last SN update */ + unsigned long last_sn_update; + /* Timestamp of last SN sent */ + unsigned long last_preq; + struct mesh_rmc *rmc; + spinlock_t mesh_preq_queue_lock; + struct mesh_preq_queue preq_queue; + int preq_queue_len; + struct mesh_stats mshstats; + struct mesh_config mshcfg; + u32 mesh_seqnum; + bool accepting_plinks; + const u8 *ie; + u8 ie_len; + enum { + IEEE80211_MESH_SEC_NONE = 0x0, + IEEE80211_MESH_SEC_AUTHED = 0x1, + IEEE80211_MESH_SEC_SECURED = 0x2, + } security; +}; + +#ifdef CONFIG_MAC80211_MESH +#define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ + do { (msh)->mshstats.name++; } while (0) +#else +#define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ + do { } while (0) +#endif + +/** + * 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. + */ +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), +}; + +/** + * enum ieee80211_sdata_state_bits - virtual interface state bits + * @SDATA_STATE_RUNNING: virtual interface is up & running; this + * mirrors netif_running() but is separate for interface type + * change handling while the interface is up + * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel + * mode, so queues are stopped + */ +enum ieee80211_sdata_state_bits { + SDATA_STATE_RUNNING, + SDATA_STATE_OFFCHANNEL, +}; + +struct ieee80211_sub_if_data { + struct list_head list; + + struct wireless_dev wdev; + + /* keys */ + struct list_head key_list; + + struct net_device *dev; + struct ieee80211_local *local; + + unsigned int flags; + + unsigned long state; + + int drop_unencrypted; + + char name[IFNAMSIZ]; + + /* + * keep track of whether the HT opmode (stored in + * vif.bss_info.ht_operation_mode) is valid. + */ + bool ht_opmode_valid; + + /* to detect idle changes */ + bool old_idle; + + /* Fragment table for host-based reassembly */ + struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; + unsigned int fragment_next; + + struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_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; + __be16 control_port_protocol; + bool control_port_no_encrypt; + + struct work_struct work; + struct sk_buff_head skb_queue; + + bool arp_filter_state; + + /* + * AP this belongs to: self in AP mode and + * corresponding AP in VLAN mode, NULL for + * all others (might be needed later in IBSS) + */ + struct ieee80211_if_ap *bss; + + /* bitmap of allowed (non-MCS) rate indexes for rate control */ + u32 rc_rateidx_mask[IEEE80211_NUM_BANDS]; + + 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; + } u; + +#ifdef CONFIG_MAC80211_DEBUGFS + struct { + struct dentry *dir; + struct dentry *subdir_stations; + struct dentry *default_unicast_key; + struct dentry *default_multicast_key; + struct dentry *default_mgmt_key; + } debugfs; +#endif + /* must be last, dynamically sized area in this! */ + struct ieee80211_vif vif; +}; + +static inline +struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) +{ + return container_of(p, struct ieee80211_sub_if_data, vif); +} + +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, +}; + +enum queue_stop_reason { + IEEE80211_QUEUE_STOP_REASON_DRIVER, + IEEE80211_QUEUE_STOP_REASON_PS, + IEEE80211_QUEUE_STOP_REASON_CSA, + IEEE80211_QUEUE_STOP_REASON_AGGREGATION, + IEEE80211_QUEUE_STOP_REASON_SUSPEND, + IEEE80211_QUEUE_STOP_REASON_SKB_ADD, +}; + +#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; + unsigned long prev_traffic; + unsigned long tx_bytes, rx_bytes; + unsigned int active, want; + bool running; +}; +#endif + +/** + * 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 + * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to + * determine if we are on the operating channel or not + * @SCAN_COMPLETED: Set for our scan work function when the driver reported + * that the scan completed. + * @SCAN_ABORTED: Set for our scan work function when the driver reported + * a scan complete for an aborted scan. + */ +enum { + SCAN_SW_SCANNING, + SCAN_HW_SCANNING, + SCAN_COMPLETED, + SCAN_ABORTED, +}; + +/** + * enum mac80211_scan_state - scan state machine states + * + * @SCAN_DECISION: Main entry point to the scan state machine, this state + * determines if we should keep on scanning or switch back to the + * operating channel + * @SCAN_SET_CHANNEL: Set the next channel to be scanned + * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses + * @SCAN_LEAVE_OPER_CHANNEL: Leave the operating channel, notify the AP + * about us leaving the channel and stop all associated STA interfaces + * @SCAN_ENTER_OPER_CHANNEL: Enter the operating channel again, notify the + * AP about us being back and restart all associated STA interfaces + */ +enum mac80211_scan_state { + SCAN_DECISION, + SCAN_SET_CHANNEL, + SCAN_SEND_PROBE, + SCAN_LEAVE_OPER_CHANNEL, + SCAN_ENTER_OPER_CHANNEL, +}; + +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; + + const struct ieee80211_ops *ops; + + /* + * work stuff, potentially off-channel (in the future) + */ + struct list_head work_list; + struct timer_list work_timer; + struct work_struct work_work; + struct sk_buff_head work_skb_queue; + + /* + * private workqueue to mac80211. mac80211 makes this accessible + * via ieee80211_queue_work() + */ + struct workqueue_struct *workqueue; + + unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; + /* 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; + /* 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; + unsigned int filter_flags; /* FIF_* */ + + bool wiphy_ciphers_allocated; + + /* protects the aggregated multicast list and filter calls */ + spinlock_t filter_lock; + + /* used for uploading changed mc list */ + struct work_struct reconfig_filter; + + /* used to reconfigure hardware SM PS */ + struct work_struct recalc_smps; + + /* aggregated multicast list */ + struct netdev_hw_addr_list mc_list; + + bool tim_in_locked_section; /* see ieee80211_beacon_get() */ + + /* + * suspended is true if we finished all the suspend _and_ we have + * not yet come up from resume. This is to be used by mac80211 + * to ensure driver sanity during suspend and mac80211's own + * sanity. It can eventually be used for WoW as well. + */ + bool suspended; + + /* + * Resuming is true while suspended, but when we're reprogramming the + * hardware -- at that time it's allowed to use ieee80211_queue_work() + * again even though some other parts of the stack are still suspended + * and we still drop received frames to avoid waking the stack. + */ + bool resuming; + + /* + * quiescing is true during the suspend process _only_ to + * ease timer cancelling etc. + */ + bool quiescing; + + /* device is started */ + bool started; + + /* wowlan is enabled -- don't reconfig on resume */ + bool wowlan; + + int tx_headroom; /* required headroom for hardware/radiotap */ + + /* count for keys needing tailroom space allocation */ + int crypto_tx_tailroom_needed_cnt; + + /* Tasklet and skb queue to process calls from IRQ mode. All frames + * added to skb_queue will be processed, but frames in + * skb_queue_unreliable may be dropped if the total length of these + * queues increases over the limit. */ +#define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 + struct tasklet_struct tasklet; + struct sk_buff_head skb_queue; + struct sk_buff_head skb_queue_unreliable; + + /* + * Internal FIFO queue which is shared between multiple rx path + * stages. Its main task is to provide a serialization mechanism, + * so all rx handlers can enjoy having exclusive access to their + * private data structures. + */ + struct sk_buff_head rx_skb_queue; + bool running_rx_handler; /* protected by rx_skb_queue.lock */ + + /* Station data */ + /* + * The mutex only protects the list and counter, + * reads are done in RCU. + * Additionally, the lock protects the hash table, + * the pending list and each BSS's TIM bitmap. + */ + struct mutex sta_mtx; + spinlock_t sta_lock; + unsigned long num_sta; + struct list_head sta_list, sta_pending_list; + struct sta_info __rcu *sta_hash[STA_HASH_SIZE]; + struct timer_list sta_cleanup; + struct work_struct sta_finish_work; + int sta_generation; + + struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; + struct tasklet_struct tx_pending_tasklet; + + atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; + + /* number of interfaces with corresponding IFF_ flags */ + atomic_t iff_allmultis, iff_promiscs; + + struct rate_control_ref *rate_ctrl; + + struct crypto_cipher *wep_tx_tfm; + struct crypto_cipher *wep_rx_tfm; + u32 wep_iv; + + /* see iface.c */ + struct list_head interfaces; + 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; + int scan_channel_idx; + int scan_ies_len; + + bool sched_scanning; + struct ieee80211_sched_scan_ies sched_scan_ies; + struct work_struct sched_scan_stopped_work; + + unsigned long leave_oper_channel_time; + enum mac80211_scan_state next_scan_state; + struct delayed_work scan_work; + struct ieee80211_sub_if_data *scan_sdata; + enum nl80211_channel_type _oper_channel_type; + struct ieee80211_channel *oper_channel, *csa_channel; + + /* Temporary remain-on-channel for off-channel operations */ + struct ieee80211_channel *tmp_channel; + enum nl80211_channel_type tmp_channel_type; + + /* SNMP counters */ + /* dot11CountersTable */ + u32 dot11TransmittedFragmentCount; + u32 dot11MulticastTransmittedFrameCount; + u32 dot11FailedCount; + u32 dot11RetryCount; + u32 dot11MultipleRetryCount; + u32 dot11FrameDuplicateCount; + u32 dot11ReceivedFragmentCount; + 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; + unsigned int rx_handlers_drop; + 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 rx_handlers_drop_passive_scan; + 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_handlers_fragments; + unsigned int tx_status_drop; +#define I802_DEBUG_INC(c) (c)++ +#else /* CONFIG_MAC80211_DEBUG_COUNTERS */ +#define I802_DEBUG_INC(c) do { } while (0) +#endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ + + + int total_ps_buffered; /* total number of all buffered unicast and + * multicast packets for power saving stations + */ + int wifi_wme_noack_test; + unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ + + /* + * Bitmask of enabled u-apsd queues, + * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association + * to take effect. + */ + unsigned int uapsd_queues; + + /* + * Maximum number of buffered frames AP can deliver during a + * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. + * Needs a new association to take effect. + */ + unsigned int uapsd_max_sp_len; + + 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 timer_list dynamic_ps_timer; + struct notifier_block network_latency_notifier; + struct notifier_block ifa_notifier; + + /* + * The dynamic ps timeout configured from user space via WEXT - + * this will override whatever chosen by mac80211 internally. + */ + int dynamic_ps_forced_timeout; + int dynamic_ps_user_timeout; + bool disable_dynamic_ps; + + int user_power_level; /* in dBm */ + int power_constr_level; /* in dBm */ + + enum ieee80211_smps_mode smps_mode; + + struct work_struct restart_work; + +#ifdef CONFIG_MAC80211_DEBUGFS + struct local_debugfsdentries { + struct dentry *rcdir; + struct dentry *keys; + } debugfs; +#endif + + struct ieee80211_channel *hw_roc_channel; + struct net_device *hw_roc_dev; + struct sk_buff *hw_roc_skb, *hw_roc_skb_for_status; + struct work_struct hw_roc_start, hw_roc_done; + enum nl80211_channel_type hw_roc_channel_type; + unsigned int hw_roc_duration; + u32 hw_roc_cookie; + bool hw_roc_for_tx; + unsigned long hw_offchan_tx_cookie; + + /* dummy netdev for use w/ NAPI */ + struct net_device napi_dev; + + struct napi_struct napi; +}; + +static inline struct ieee80211_sub_if_data * +IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) +{ + return netdev_priv(dev); +} + +/* this struct represents 802.11n's RA/TID combination */ +struct ieee80211_ra_tid { + u8 ra[ETH_ALEN]; + u16 tid; +}; + +/* Parsed Information Elements */ +struct ieee802_11_elems { + u8 *ie_start; + size_t total_len; + + /* pointers to IEs */ + u8 *ssid; + u8 *supp_rates; + u8 *fh_params; + u8 *ds_params; + u8 *cf_params; + struct ieee80211_tim_ie *tim; + u8 *ibss_params; + u8 *challenge; + u8 *wpa; + u8 *rsn; + u8 *erp_info; + u8 *ext_supp_rates; + u8 *wmm_info; + u8 *wmm_param; + struct ieee80211_ht_cap *ht_cap_elem; + struct ieee80211_ht_info *ht_info_elem; + struct ieee80211_meshconf_ie *mesh_config; + u8 *mesh_id; + u8 *peer_link; + u8 *preq; + u8 *prep; + u8 *perr; + struct ieee80211_rann_ie *rann; + u8 *ch_switch_elem; + u8 *country_elem; + u8 *pwr_constr_elem; + u8 *quiet_elem; /* first quite element */ + u8 *timeout_int; + + /* length of them, respectively */ + u8 ssid_len; + u8 supp_rates_len; + u8 fh_params_len; + u8 ds_params_len; + u8 cf_params_len; + u8 tim_len; + u8 ibss_params_len; + u8 challenge_len; + u8 wpa_len; + u8 rsn_len; + u8 erp_info_len; + u8 ext_supp_rates_len; + u8 wmm_info_len; + u8 wmm_param_len; + u8 mesh_id_len; + u8 peer_link_len; + u8 preq_len; + u8 prep_len; + u8 perr_len; + u8 ch_switch_elem_len; + u8 country_elem_len; + u8 pwr_constr_elem_len; + u8 quiet_elem_len; + u8 num_of_quiet_elem; /* can be more the one */ + u8 timeout_int_len; +}; + +static inline struct ieee80211_local *hw_to_local( + struct ieee80211_hw *hw) +{ + return container_of(hw, struct ieee80211_local, hw); +} + +static inline struct ieee80211_hw *local_to_hw( + struct ieee80211_local *local) +{ + return &local->hw; +} + + +static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) +{ + return compare_ether_addr(raddr, addr) == 0 || + is_broadcast_ether_addr(raddr); +} + + +int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); +void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); +void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, + u32 changed); +void ieee80211_configure_filter(struct ieee80211_local *local); +u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); + +/* STA code */ +void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); +int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, + struct cfg80211_auth_request *req); +int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, + struct cfg80211_assoc_request *req); +int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, + struct cfg80211_deauth_request *req, + void *cookie); +int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, + struct cfg80211_disassoc_request *req, + void *cookie); +void ieee80211_send_pspoll(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata); +void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); +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_process_chanswitch(struct ieee80211_sub_if_data *sdata, + struct ieee80211_channel_sw_ie *sw_elem, + struct ieee80211_bss *bss, + u64 timestamp); +void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata); +void ieee80211_sta_restart(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_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); +void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); + +/* IBSS code */ +void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); +void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); +struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata, + u8 *bssid, u8 *addr, u32 supp_rates, + gfp_t gfp); +int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, + struct cfg80211_ibss_params *params); +int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); +void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata); +void ieee80211_ibss_restart(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); + +/* 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); + +/* scan/BSS handling */ +void ieee80211_scan_work(struct work_struct *work); +int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata, + const u8 *ssid, u8 ssid_len, + struct ieee80211_channel *chan); +int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, + struct cfg80211_scan_request *req); +void ieee80211_scan_cancel(struct ieee80211_local *local); +ieee80211_rx_result +ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); + +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, + bool beacon); +struct ieee80211_bss * +ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq, + u8 *ssid, u8 ssid_len); +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_stop(struct ieee80211_sub_if_data *sdata); +void ieee80211_sched_scan_stopped_work(struct work_struct *work); + +/* off-channel helpers */ +bool ieee80211_cfg_on_oper_channel(struct ieee80211_local *local); +void ieee80211_offchannel_enable_all_ps(struct ieee80211_local *local, + bool tell_ap); +void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local, + bool offchannel_ps_enable); +void ieee80211_offchannel_return(struct ieee80211_local *local, + bool enable_beaconing, + bool offchannel_ps_disable); +void ieee80211_hw_roc_setup(struct ieee80211_local *local); + +/* interface handling */ +int ieee80211_iface_init(void); +void ieee80211_iface_exit(void); +int ieee80211_if_add(struct ieee80211_local *local, const char *name, + struct net_device **new_dev, enum nl80211_iftype type, + struct vif_params *params); +int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, + enum nl80211_iftype type); +void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); +void ieee80211_remove_interfaces(struct ieee80211_local *local); +u32 __ieee80211_recalc_idle(struct ieee80211_local *local); +void ieee80211_recalc_idle(struct ieee80211_local *local); +void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, + const int offset); + +static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) +{ + return test_bit(SDATA_STATE_RUNNING, &sdata->state); +} + +/* tx handling */ +void ieee80211_clear_tx_pending(struct ieee80211_local *local); +void ieee80211_tx_pending(unsigned long data); +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); + +/* + * radiotap header for status frames + */ +struct ieee80211_tx_status_rtap_hdr { + struct ieee80211_radiotap_header hdr; + u8 rate; + u8 padding_for_rate; + __le16 tx_flags; + u8 data_retries; +} __packed; + + +/* HT */ +void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband, + struct ieee80211_ht_cap *ht_cap_ie, + struct ieee80211_sta_ht_cap *ht_cap); +void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn); +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); +void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, + u16 initiator, u16 reason, bool stop); +void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, bool tx); +void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, + struct sta_info *sta, + struct ieee80211_mgmt *mgmt, size_t len); +void ieee80211_process_addba_resp(struct ieee80211_local *local, + struct sta_info *sta, + struct ieee80211_mgmt *mgmt, + size_t len); +void ieee80211_process_addba_request(struct ieee80211_local *local, + struct sta_info *sta, + struct ieee80211_mgmt *mgmt, + size_t len); + +int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, + enum ieee80211_back_parties initiator, + bool tx); +int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, + enum ieee80211_back_parties initiator, + bool tx); +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_tx_ba_session_handle_start(struct sta_info *sta, int tid); +void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); + +/* Spectrum management */ +void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, + struct ieee80211_mgmt *mgmt, + size_t len); + +/* Suspend/resume and hw reconfiguration */ +int ieee80211_reconfig(struct ieee80211_local *local); +void ieee80211_stop_device(struct ieee80211_local *local); + +#ifdef CONFIG_PM +int __ieee80211_suspend(struct ieee80211_hw *hw, + struct cfg80211_wowlan *wowlan); + +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), + "%s: resume with hardware scan still in progress\n", + wiphy_name(hw->wiphy)); + + return ieee80211_reconfig(hw_to_local(hw)); +} +#else +static inline int __ieee80211_suspend(struct ieee80211_hw *hw, + struct cfg80211_wowlan *wowlan) +{ + return 0; +} + +static inline int __ieee80211_resume(struct ieee80211_hw *hw) +{ + return 0; +} +#endif + +/* 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(struct ieee80211_local *local, 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); +void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); +void ieee802_11_parse_elems(u8 *start, size_t len, + struct ieee802_11_elems *elems); +u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, + struct ieee802_11_elems *elems, + u64 filter, u32 crc); +u32 ieee80211_mandatory_rates(struct ieee80211_local *local, + enum ieee80211_band band); + +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_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); +void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, + struct ieee80211_hdr *hdr, bool ack); +void ieee80211_beacon_connection_loss_work(struct work_struct *work); + +void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, + enum queue_stop_reason reason); +void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, + enum queue_stop_reason reason); +void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, + enum queue_stop_reason reason); +void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, + enum queue_stop_reason reason); +void ieee80211_add_pending_skb(struct ieee80211_local *local, + struct sk_buff *skb); +int ieee80211_add_pending_skbs(struct ieee80211_local *local, + struct sk_buff_head *skbs); +int ieee80211_add_pending_skbs_fn(struct ieee80211_local *local, + struct sk_buff_head *skbs, + void (*fn)(void *data), void *data); + +void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, + u16 transaction, u16 auth_alg, + u8 *extra, size_t extra_len, const u8 *bssid, + const u8 *key, u8 key_len, u8 key_idx); +int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, + const u8 *ie, size_t ie_len, + enum ieee80211_band band, u32 rate_mask, + u8 channel); +struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, + u8 *dst, + const u8 *ssid, size_t ssid_len, + const u8 *ie, size_t ie_len); +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); + +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, + struct ieee802_11_elems *elems, + enum ieee80211_band band); +int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, + enum ieee80211_smps_mode smps_mode); +void ieee80211_recalc_smps(struct ieee80211_local *local); + +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); + +/* internal work items */ +void ieee80211_work_init(struct ieee80211_local *local); +void ieee80211_add_work(struct ieee80211_work *wk); +void free_work(struct ieee80211_work *wk); +void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata); +ieee80211_rx_result ieee80211_work_rx_mgmt(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); +int ieee80211_wk_remain_on_channel(struct ieee80211_sub_if_data *sdata, + struct ieee80211_channel *chan, + enum nl80211_channel_type channel_type, + unsigned int duration, u64 *cookie); +int ieee80211_wk_cancel_remain_on_channel( + struct ieee80211_sub_if_data *sdata, u64 cookie); + +/* channel management */ +enum ieee80211_chan_mode { + CHAN_MODE_UNDEFINED, + CHAN_MODE_HOPPING, + CHAN_MODE_FIXED, +}; + +enum ieee80211_chan_mode +ieee80211_get_channel_mode(struct ieee80211_local *local, + struct ieee80211_sub_if_data *ignore); +bool ieee80211_set_channel_type(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + enum nl80211_channel_type chantype); + +#ifdef CONFIG_MAC80211_NOINLINE +#define debug_noinline noinline +#else +#define debug_noinline +#endif + +#endif /* MAC80211_I_H */ diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 866f269..0186aba 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -24,7 +24,7 @@ #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "driver-ops.h" #include "rate.h" #include "mesh.h" diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index 29e9980..69b284c 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -10,7 +10,7 @@ #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "mesh.h" #define IEEE80211_MESH_PEER_INACTIVITY_LIMIT (1800 * HZ) diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h index 249e733..df4a9a1 100644 --- a/net/mac80211/mesh.h +++ b/net/mac80211/mesh.h @@ -14,7 +14,7 @@ #include #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" /* Data structures */ diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c index 0d2faac..bf7989c 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -14,7 +14,7 @@ #include #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "mesh.h" /* There will be initially 2^INIT_PATHS_SIZE_ORDER buckets */ diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index f4adc09..1832c46 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -9,7 +9,7 @@ #include #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "rate.h" #include "mesh.h" diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 456cccf..b1692a6 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -23,7 +23,7 @@ #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "driver-ops.h" #include "rate.h" #include "led.h" diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c index 13427b1..f6047f9 100644 --- a/net/mac80211/offchannel.c +++ b/net/mac80211/offchannel.c @@ -13,7 +13,7 @@ * published by the Free Software Foundation. */ #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "driver-trace.h" /* diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c index 730778a..75cdb9f 100644 --- a/net/mac80211/pm.c +++ b/net/mac80211/pm.c @@ -1,7 +1,7 @@ #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "mesh.h" #include "driver-ops.h" #include "led.h" diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c index 3d5a2cb..88e2659 100644 --- a/net/mac80211/rate.c +++ b/net/mac80211/rate.c @@ -12,7 +12,7 @@ #include #include #include "rate.h" -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "debugfs.h" struct rate_control_alg { diff --git a/net/mac80211/rate.h b/net/mac80211/rate.h index 168427b..b22c1de 100644 --- a/net/mac80211/rate.h +++ b/net/mac80211/rate.h @@ -16,7 +16,7 @@ #include #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "sta_info.h" struct rate_control_ref { diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 7fa8c6b..3c0dbf2 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -19,7 +19,7 @@ #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "driver-ops.h" #include "led.h" #include "mesh.h" diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index 58ffa7d..c21b720 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -19,7 +19,7 @@ #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "driver-ops.h" #include "mesh.h" diff --git a/net/mac80211/spectmgmt.c b/net/mac80211/spectmgmt.c index 7733f66..667cc06 100644 --- a/net/mac80211/spectmgmt.c +++ b/net/mac80211/spectmgmt.c @@ -17,7 +17,7 @@ #include #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "sta_info.h" #include "wme.h" diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index b83870b..e125bc4 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -18,7 +18,7 @@ #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "driver-ops.h" #include "rate.h" #include "sta_info.h" diff --git a/net/mac80211/status.c b/net/mac80211/status.c index 1658efa..b69e8af 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -10,7 +10,7 @@ */ #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "rate.h" #include "mesh.h" #include "led.h" diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 64e0f75..3aa5836 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -24,7 +24,7 @@ #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "driver-ops.h" #include "led.h" #include "mesh.h" diff --git a/net/mac80211/util.c b/net/mac80211/util.c index d3fe2d2..4be7132 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -24,7 +24,7 @@ #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "driver-ops.h" #include "rate.h" #include "mesh.h" diff --git a/net/mac80211/wep.c b/net/mac80211/wep.c index a1c6bfd..cf15e91 100644 --- a/net/mac80211/wep.c +++ b/net/mac80211/wep.c @@ -21,7 +21,7 @@ #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "wep.h" diff --git a/net/mac80211/wep.h b/net/mac80211/wep.h index 01e5484..f265c02 100644 --- a/net/mac80211/wep.h +++ b/net/mac80211/wep.h @@ -13,7 +13,7 @@ #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "key.h" int ieee80211_wep_init(struct ieee80211_local *local); diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c index 28bc084..74f60ab 100644 --- a/net/mac80211/wme.c +++ b/net/mac80211/wme.c @@ -15,7 +15,7 @@ #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "wme.h" /* Default mapping in classifier to work with default diff --git a/net/mac80211/wme.h b/net/mac80211/wme.h index 6053b1c..32f17c1 100644 --- a/net/mac80211/wme.h +++ b/net/mac80211/wme.h @@ -11,7 +11,7 @@ #define _WME_H #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #define QOS_CONTROL_ACK_POLICY_NORMAL 0 #define QOS_CONTROL_ACK_POLICY_NOACK 1 diff --git a/net/mac80211/work.c b/net/mac80211/work.c index a94b312..bfc4ba7 100644 --- a/net/mac80211/work.c +++ b/net/mac80211/work.c @@ -23,7 +23,7 @@ #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "rate.h" #define IEEE80211_AUTH_TIMEOUT (HZ / 5) diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c index 9dc3b5f..6bc548f 100644 --- a/net/mac80211/wpa.c +++ b/net/mac80211/wpa.c @@ -16,7 +16,7 @@ #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" #include "michael.h" #include "tkip.h" #include "aes_ccm.h" diff --git a/net/mac80211/wpa.h b/net/mac80211/wpa.h index baba060..2f4aa1b 100644 --- a/net/mac80211/wpa.h +++ b/net/mac80211/wpa.h @@ -11,7 +11,7 @@ #include #include -#include "ieee80211_i.h" +#include "mac80211_i.h" ieee80211_tx_result ieee80211_tx_h_michael_mic_add(struct ieee80211_tx_data *tx);