| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Sujith Manoharan | 2418 | 55.69% | 92 | 34.85% |
| Felix Fietkau | 760 | 17.50% | 75 | 28.41% |
| Luis R. Rodriguez | 244 | 5.62% | 9 | 3.41% |
| Toke Höiland-Jörgensen | 203 | 4.68% | 3 | 1.14% |
| Vasanthakumar Thiagarajan | 183 | 4.21% | 10 | 3.79% |
| Rajkumar Manoharan | 171 | 3.94% | 18 | 6.82% |
| Miaoqing Pan | 66 | 1.52% | 1 | 0.38% |
| Mohammed Shafi Shajakhan | 53 | 1.22% | 9 | 3.41% |
| Jouni Malinen | 28 | 0.64% | 4 | 1.52% |
| Lorenzo Bianconi | 24 | 0.55% | 4 | 1.52% |
| Senthil Balasubramanian | 22 | 0.51% | 4 | 1.52% |
| Benjamin Berg | 21 | 0.48% | 1 | 0.38% |
| Ben Greear | 20 | 0.46% | 5 | 1.89% |
| Janusz Dziedzic | 16 | 0.37% | 2 | 0.76% |
| Vivek Natarajan | 14 | 0.32% | 5 | 1.89% |
| Michal Kazior | 14 | 0.32% | 1 | 0.38% |
| Zefir Kurtisi | 12 | 0.28% | 3 | 1.14% |
| Gabor Juhos | 10 | 0.23% | 4 | 1.52% |
| Simon Wunderlich | 9 | 0.21% | 1 | 0.38% |
| Kees Cook | 8 | 0.18% | 1 | 0.38% |
| Sven Eckelmann | 7 | 0.16% | 1 | 0.38% |
| Oleksij Rempel | 6 | 0.14% | 2 | 0.76% |
| Johannes Berg | 6 | 0.14% | 1 | 0.38% |
| Florian Westphal | 6 | 0.14% | 1 | 0.38% |
| Thomas Huehn | 5 | 0.12% | 1 | 0.38% |
| Jan Kaisrlik | 4 | 0.09% | 1 | 0.38% |
| Christian Lamparter | 3 | 0.07% | 1 | 0.38% |
| David S. Miller | 3 | 0.07% | 1 | 0.38% |
| Alexey Dobriyan | 3 | 0.07% | 1 | 0.38% |
| Arnd Bergmann | 2 | 0.05% | 1 | 0.38% |
| Eric Xu | 1 | 0.02% | 1 | 0.38% |
| Total | 4342 | 264 |
/* * Copyright (c) 2008-2011 Atheros Communications Inc. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef ATH9K_H #define ATH9K_H #include <linux/etherdevice.h> #include <linux/device.h> #include <linux/interrupt.h> #include <linux/leds.h> #include <linux/completion.h> #include <linux/time.h> #include <linux/hw_random.h> #include "common.h" #include "debug.h" #include "mci.h" #include "dfs.h" struct ath_node; struct ath_vif; extern struct ieee80211_ops ath9k_ops; extern int ath9k_modparam_nohwcrypt; extern int ath9k_led_blink; extern bool is_ath9k_unloaded; extern int ath9k_use_chanctx; /*************************/ /* Descriptor Management */ /*************************/ #define ATH_TXSTATUS_RING_SIZE 512 /* Macro to expand scalars to 64-bit objects */ #define ito64(x) (sizeof(x) == 1) ? \ (((unsigned long long int)(x)) & (0xff)) : \ (sizeof(x) == 2) ? \ (((unsigned long long int)(x)) & 0xffff) : \ ((sizeof(x) == 4) ? \ (((unsigned long long int)(x)) & 0xffffffff) : \ (unsigned long long int)(x)) #define ATH_TXBUF_RESET(_bf) do { \ (_bf)->bf_lastbf = NULL; \ (_bf)->bf_next = NULL; \ memset(&((_bf)->bf_state), 0, \ sizeof(struct ath_buf_state)); \ } while (0) #define DS2PHYS(_dd, _ds) \ ((_dd)->dd_desc_paddr + ((caddr_t)(_ds) - (caddr_t)(_dd)->dd_desc)) #define ATH_DESC_4KB_BOUND_CHECK(_daddr) ((((_daddr) & 0xFFF) > 0xF7F) ? 1 : 0) #define ATH_DESC_4KB_BOUND_NUM_SKIPPED(_len) ((_len) / 4096) struct ath_descdma { void *dd_desc; dma_addr_t dd_desc_paddr; u32 dd_desc_len; }; int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd, struct list_head *head, const char *name, int nbuf, int ndesc, bool is_tx); /***********/ /* RX / TX */ /***********/ #define ATH_TXQ_SETUP(sc, i) ((sc)->tx.txqsetup & (1<<i)) /* increment with wrap-around */ #define INCR(_l, _sz) do { \ (_l)++; \ (_l) &= ((_sz) - 1); \ } while (0) #define ATH_RXBUF 512 #define ATH_TXBUF 512 #define ATH_TXBUF_RESERVE 5 #define ATH_TXMAXTRY 13 #define ATH_MAX_SW_RETRIES 30 #define TID_TO_WME_AC(_tid) \ ((((_tid) == 0) || ((_tid) == 3)) ? IEEE80211_AC_BE : \ (((_tid) == 1) || ((_tid) == 2)) ? IEEE80211_AC_BK : \ (((_tid) == 4) || ((_tid) == 5)) ? IEEE80211_AC_VI : \ IEEE80211_AC_VO) #define ATH_AGGR_DELIM_SZ 4 #define ATH_AGGR_MINPLEN 256 /* in bytes, minimum packet length */ /* number of delimiters for encryption padding */ #define ATH_AGGR_ENCRYPTDELIM 10 /* minimum h/w qdepth to be sustained to maximize aggregation */ #define ATH_AGGR_MIN_QDEPTH 2 /* minimum h/w qdepth for non-aggregated traffic */ #define ATH_NON_AGGR_MIN_QDEPTH 8 #define ATH_HW_CHECK_POLL_INT 1000 #define ATH_TXFIFO_DEPTH 8 #define ATH_TX_ERROR 0x01 /* Stop tx traffic 1ms before the GO goes away */ #define ATH_P2P_PS_STOP_TIME 1000 #define IEEE80211_SEQ_SEQ_SHIFT 4 #define IEEE80211_SEQ_MAX 4096 #define IEEE80211_WEP_IVLEN 3 #define IEEE80211_WEP_KIDLEN 1 #define IEEE80211_WEP_CRCLEN 4 #define IEEE80211_MAX_MPDU_LEN (3840 + FCS_LEN + \ (IEEE80211_WEP_IVLEN + \ IEEE80211_WEP_KIDLEN + \ IEEE80211_WEP_CRCLEN)) /* return whether a bit at index _n in bitmap _bm is set * _sz is the size of the bitmap */ #define ATH_BA_ISSET(_bm, _n) (((_n) < (WME_BA_BMP_SIZE)) && \ ((_bm)[(_n) >> 5] & (1 << ((_n) & 31)))) /* return block-ack bitmap index given sequence and starting sequence */ #define ATH_BA_INDEX(_st, _seq) (((_seq) - (_st)) & (IEEE80211_SEQ_MAX - 1)) /* return the seqno for _start + _offset */ #define ATH_BA_INDEX2SEQ(_seq, _offset) (((_seq) + (_offset)) & (IEEE80211_SEQ_MAX - 1)) /* returns delimiter padding required given the packet length */ #define ATH_AGGR_GET_NDELIM(_len) \ (((_len) >= ATH_AGGR_MINPLEN) ? 0 : \ DIV_ROUND_UP(ATH_AGGR_MINPLEN - (_len), ATH_AGGR_DELIM_SZ)) #define BAW_WITHIN(_start, _bawsz, _seqno) \ ((((_seqno) - (_start)) & 4095) < (_bawsz)) #define ATH_AN_2_TID(_an, _tidno) ath_node_to_tid(_an, _tidno) #define IS_HT_RATE(rate) (rate & 0x80) #define IS_CCK_RATE(rate) ((rate >= 0x18) && (rate <= 0x1e)) #define IS_OFDM_RATE(rate) ((rate >= 0x8) && (rate <= 0xf)) enum { WLAN_RC_PHY_OFDM, WLAN_RC_PHY_CCK, }; struct ath_txq { int mac80211_qnum; /* mac80211 queue number, -1 means not mac80211 Q */ u32 axq_qnum; /* ath9k hardware queue number */ void *axq_link; struct list_head axq_q; spinlock_t axq_lock; u32 axq_depth; u32 axq_ampdu_depth; bool axq_tx_inprogress; struct list_head txq_fifo[ATH_TXFIFO_DEPTH]; u8 txq_headidx; u8 txq_tailidx; int pending_frames; struct sk_buff_head complete_q; }; struct ath_frame_info { struct ath_buf *bf; u16 framelen; s8 txq; u8 keyix; u8 rtscts_rate; u8 retries : 7; u8 baw_tracked : 1; u8 tx_power; enum ath9k_key_type keytype:2; }; struct ath_rxbuf { struct list_head list; struct sk_buff *bf_mpdu; void *bf_desc; dma_addr_t bf_daddr; dma_addr_t bf_buf_addr; }; /** * enum buffer_type - Buffer type flags * * @BUF_AMPDU: This buffer is an ampdu, as part of an aggregate (during TX) * @BUF_AGGR: Indicates whether the buffer can be aggregated * (used in aggregation scheduling) */ enum buffer_type { BUF_AMPDU = BIT(0), BUF_AGGR = BIT(1), }; #define bf_isampdu(bf) (bf->bf_state.bf_type & BUF_AMPDU) #define bf_isaggr(bf) (bf->bf_state.bf_type & BUF_AGGR) struct ath_buf_state { u8 bf_type; u8 bfs_paprd; u8 ndelim; bool stale; u16 seqno; unsigned long bfs_paprd_timestamp; }; struct ath_buf { struct list_head list; struct ath_buf *bf_lastbf; /* last buf of this unit (a frame or an aggregate) */ struct ath_buf *bf_next; /* next subframe in the aggregate */ struct sk_buff *bf_mpdu; /* enclosing frame structure */ void *bf_desc; /* virtual addr of desc */ dma_addr_t bf_daddr; /* physical addr of desc */ dma_addr_t bf_buf_addr; /* physical addr of data buffer, for DMA */ struct ieee80211_tx_rate rates[4]; struct ath_buf_state bf_state; }; struct ath_atx_tid { struct list_head list; struct sk_buff_head retry_q; struct ath_node *an; struct ath_txq *txq; unsigned long tx_buf[BITS_TO_LONGS(ATH_TID_MAX_BUFS)]; u16 seq_start; u16 seq_next; u16 baw_size; u8 tidno; int baw_head; /* first un-acked tx buffer */ int baw_tail; /* next unused tx buffer slot */ s8 bar_index; bool active; bool clear_ps_filter; }; void ath_tx_queue_tid(struct ath_softc *sc, struct ath_atx_tid *tid); struct ath_node { struct ath_softc *sc; struct ieee80211_sta *sta; /* station struct we're part of */ struct ieee80211_vif *vif; /* interface with which we're associated */ u16 maxampdu; u8 mpdudensity; s8 ps_key; bool sleeping; bool no_ps_filter; #ifdef CONFIG_ATH9K_STATION_STATISTICS struct ath_rx_rate_stats rx_rate_stats; #endif u8 key_idx[4]; int ackto; struct list_head list; }; struct ath_tx_control { struct ath_txq *txq; struct ath_node *an; struct ieee80211_sta *sta; u8 paprd; }; /** * @txq_map: Index is mac80211 queue number. This is * not necessarily the same as the hardware queue number * (axq_qnum). */ struct ath_tx { u32 txqsetup; spinlock_t txbuflock; struct list_head txbuf; struct ath_txq txq[ATH9K_NUM_TX_QUEUES]; struct ath_descdma txdma; struct ath_txq *txq_map[IEEE80211_NUM_ACS]; struct ath_txq *uapsdq; u16 max_aggr_framelen[IEEE80211_NUM_ACS][4][32]; }; struct ath_rx_edma { struct sk_buff_head rx_fifo; u32 rx_fifo_hwsize; }; struct ath_rx { u8 defant; u8 rxotherant; bool discard_next; u32 *rxlink; u32 num_pkts; struct list_head rxbuf; struct ath_descdma rxdma; struct ath_rx_edma rx_edma[ATH9K_RX_QUEUE_MAX]; struct ath_rxbuf *buf_hold; struct sk_buff *frag; u32 ampdu_ref; }; /*******************/ /* Channel Context */ /*******************/ struct ath_acq { struct list_head acq_new; struct list_head acq_old; spinlock_t lock; }; struct ath_chanctx { struct cfg80211_chan_def chandef; struct list_head vifs; struct ath_acq acq[IEEE80211_NUM_ACS]; int hw_queue_base; /* do not dereference, use for comparison only */ struct ieee80211_vif *primary_sta; struct ath_beacon_config beacon; struct ath9k_hw_cal_data caldata; struct timespec64 tsf_ts; u64 tsf_val; u32 last_beacon; int flush_timeout; u16 txpower; u16 cur_txpower; bool offchannel; bool stopped; bool active; bool assigned; bool switch_after_beacon; short nvifs; short nvifs_assigned; unsigned int rxfilter; }; enum ath_chanctx_event { ATH_CHANCTX_EVENT_BEACON_PREPARE, ATH_CHANCTX_EVENT_BEACON_SENT, ATH_CHANCTX_EVENT_TSF_TIMER, ATH_CHANCTX_EVENT_BEACON_RECEIVED, ATH_CHANCTX_EVENT_AUTHORIZED, ATH_CHANCTX_EVENT_SWITCH, ATH_CHANCTX_EVENT_ASSIGN, ATH_CHANCTX_EVENT_UNASSIGN, ATH_CHANCTX_EVENT_CHANGE, ATH_CHANCTX_EVENT_ENABLE_MULTICHANNEL, }; enum ath_chanctx_state { ATH_CHANCTX_STATE_IDLE, ATH_CHANCTX_STATE_WAIT_FOR_BEACON, ATH_CHANCTX_STATE_WAIT_FOR_TIMER, ATH_CHANCTX_STATE_SWITCH, ATH_CHANCTX_STATE_FORCE_ACTIVE, }; struct ath_chanctx_sched { bool beacon_pending; bool beacon_adjust; bool offchannel_pending; bool wait_switch; bool force_noa_update; bool extend_absence; bool mgd_prepare_tx; enum ath_chanctx_state state; u8 beacon_miss; u32 next_tbtt; u32 switch_start_time; unsigned int offchannel_duration; unsigned int channel_switch_time; /* backup, in case the hardware timer fails */ struct timer_list timer; }; enum ath_offchannel_state { ATH_OFFCHANNEL_IDLE, ATH_OFFCHANNEL_PROBE_SEND, ATH_OFFCHANNEL_PROBE_WAIT, ATH_OFFCHANNEL_SUSPEND, ATH_OFFCHANNEL_ROC_START, ATH_OFFCHANNEL_ROC_WAIT, ATH_OFFCHANNEL_ROC_DONE, }; enum ath_roc_complete_reason { ATH_ROC_COMPLETE_EXPIRE, ATH_ROC_COMPLETE_ABORT, ATH_ROC_COMPLETE_CANCEL, }; struct ath_offchannel { struct ath_chanctx chan; struct timer_list timer; struct cfg80211_scan_request *scan_req; struct ieee80211_vif *scan_vif; int scan_idx; enum ath_offchannel_state state; struct ieee80211_channel *roc_chan; struct ieee80211_vif *roc_vif; int roc_duration; int duration; }; static inline struct ath_atx_tid * ath_node_to_tid(struct ath_node *an, u8 tidno) { struct ieee80211_sta *sta = an->sta; struct ieee80211_vif *vif = an->vif; struct ieee80211_txq *txq; BUG_ON(!vif); if (sta) txq = sta->txq[tidno % ARRAY_SIZE(sta->txq)]; else txq = vif->txq; return (struct ath_atx_tid *) txq->drv_priv; } #define case_rtn_string(val) case val: return #val #define ath_for_each_chanctx(_sc, _ctx) \ for (ctx = &sc->chanctx[0]; \ ctx <= &sc->chanctx[ARRAY_SIZE(sc->chanctx) - 1]; \ ctx++) void ath_chanctx_init(struct ath_softc *sc); void ath_chanctx_set_channel(struct ath_softc *sc, struct ath_chanctx *ctx, struct cfg80211_chan_def *chandef); #ifdef CONFIG_ATH9K_CHANNEL_CONTEXT static inline struct ath_chanctx * ath_chanctx_get(struct ieee80211_chanctx_conf *ctx) { struct ath_chanctx **ptr = (void *) ctx->drv_priv; return *ptr; } bool ath9k_is_chanctx_enabled(void); void ath9k_fill_chanctx_ops(void); void ath9k_init_channel_context(struct ath_softc *sc); void ath9k_offchannel_init(struct ath_softc *sc); void ath9k_deinit_channel_context(struct ath_softc *sc); int ath9k_init_p2p(struct ath_softc *sc); void ath9k_deinit_p2p(struct ath_softc *sc); void ath9k_p2p_remove_vif(struct ath_softc *sc, struct ieee80211_vif *vif); void ath9k_p2p_beacon_sync(struct ath_softc *sc); void ath9k_p2p_bss_info_changed(struct ath_softc *sc, struct ieee80211_vif *vif); void ath9k_beacon_add_noa(struct ath_softc *sc, struct ath_vif *avp, struct sk_buff *skb); void ath9k_p2p_ps_timer(void *priv); void ath9k_chanctx_wake_queues(struct ath_softc *sc, struct ath_chanctx *ctx); void ath9k_chanctx_stop_queues(struct ath_softc *sc, struct ath_chanctx *ctx); void ath_chanctx_check_active(struct ath_softc *sc, struct ath_chanctx *ctx); void ath_chanctx_beacon_recv_ev(struct ath_softc *sc, enum ath_chanctx_event ev); void ath_chanctx_beacon_sent_ev(struct ath_softc *sc, enum ath_chanctx_event ev); void ath_chanctx_event(struct ath_softc *sc, struct ieee80211_vif *vif, enum ath_chanctx_event ev); void ath_chanctx_set_next(struct ath_softc *sc, bool force); void ath_offchannel_next(struct ath_softc *sc); void ath_scan_complete(struct ath_softc *sc, bool abort); void ath_roc_complete(struct ath_softc *sc, enum ath_roc_complete_reason reason); struct ath_chanctx* ath_is_go_chanctx_present(struct ath_softc *sc); #else static inline bool ath9k_is_chanctx_enabled(void) { return false; } static inline void ath9k_fill_chanctx_ops(void) { } static inline void ath9k_init_channel_context(struct ath_softc *sc) { } static inline void ath9k_offchannel_init(struct ath_softc *sc) { } static inline void ath9k_deinit_channel_context(struct ath_softc *sc) { } static inline void ath_chanctx_beacon_recv_ev(struct ath_softc *sc, enum ath_chanctx_event ev) { } static inline void ath_chanctx_beacon_sent_ev(struct ath_softc *sc, enum ath_chanctx_event ev) { } static inline void ath_chanctx_event(struct ath_softc *sc, struct ieee80211_vif *vif, enum ath_chanctx_event ev) { } static inline int ath9k_init_p2p(struct ath_softc *sc) { return 0; } static inline void ath9k_deinit_p2p(struct ath_softc *sc) { } static inline void ath9k_p2p_remove_vif(struct ath_softc *sc, struct ieee80211_vif *vif) { } static inline void ath9k_p2p_beacon_sync(struct ath_softc *sc) { } static inline void ath9k_p2p_bss_info_changed(struct ath_softc *sc, struct ieee80211_vif *vif) { } static inline void ath9k_beacon_add_noa(struct ath_softc *sc, struct ath_vif *avp, struct sk_buff *skb) { } static inline void ath9k_p2p_ps_timer(struct ath_softc *sc) { } static inline void ath9k_chanctx_wake_queues(struct ath_softc *sc, struct ath_chanctx *ctx) { } static inline void ath9k_chanctx_stop_queues(struct ath_softc *sc, struct ath_chanctx *ctx) { } static inline void ath_chanctx_check_active(struct ath_softc *sc, struct ath_chanctx *ctx) { } #endif /* CONFIG_ATH9K_CHANNEL_CONTEXT */ static inline void ath_txq_lock(struct ath_softc *sc, struct ath_txq *txq) { spin_lock_bh(&txq->axq_lock); } static inline void ath_txq_unlock(struct ath_softc *sc, struct ath_txq *txq) { spin_unlock_bh(&txq->axq_lock); } void ath_startrecv(struct ath_softc *sc); bool ath_stoprecv(struct ath_softc *sc); u32 ath_calcrxfilter(struct ath_softc *sc); int ath_rx_init(struct ath_softc *sc, int nbufs); void ath_rx_cleanup(struct ath_softc *sc); int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp); struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype); void ath_txq_unlock_complete(struct ath_softc *sc, struct ath_txq *txq); void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq); bool ath_drain_all_txq(struct ath_softc *sc); void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq); void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an); void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an); void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq); void ath_txq_schedule_all(struct ath_softc *sc); int ath_tx_init(struct ath_softc *sc, int nbufs); int ath_txq_update(struct ath_softc *sc, int qnum, struct ath9k_tx_queue_info *q); u32 ath_pkt_duration(struct ath_softc *sc, u8 rix, int pktlen, int width, int half_gi, bool shortPreamble); void ath_update_max_aggr_framelen(struct ath_softc *sc, int queue, int txop); void ath_assign_seq(struct ath_common *common, struct sk_buff *skb); int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb, struct ath_tx_control *txctl); void ath_tx_cabq(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct sk_buff *skb); void ath_tx_tasklet(struct ath_softc *sc); void ath_tx_edma_tasklet(struct ath_softc *sc); int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid, u16 *ssn); void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid); void ath_tx_aggr_wakeup(struct ath_softc *sc, struct ath_node *an); void ath_tx_aggr_sleep(struct ieee80211_sta *sta, struct ath_softc *sc, struct ath_node *an); void ath9k_release_buffered_frames(struct ieee80211_hw *hw, struct ieee80211_sta *sta, u16 tids, int nframes, enum ieee80211_frame_release_type reason, bool more_data); void ath9k_wake_tx_queue(struct ieee80211_hw *hw, struct ieee80211_txq *queue); /********/ /* VIFs */ /********/ #define P2P_DEFAULT_CTWIN 10 struct ath_vif { struct list_head list; u16 seq_no; /* BSS info */ u8 bssid[ETH_ALEN] __aligned(2); u16 aid; bool assoc; struct ieee80211_vif *vif; struct ath_node mcast_node; int av_bslot; __le64 tsf_adjust; /* TSF adjustment for staggered beacons */ struct ath_buf *av_bcbuf; struct ath_chanctx *chanctx; /* P2P Client */ struct ieee80211_noa_data noa; /* P2P GO */ u8 noa_index; u32 offchannel_start; u32 offchannel_duration; /* These are used for both periodic and one-shot */ u32 noa_start; u32 noa_duration; bool periodic_noa; bool oneshot_noa; }; struct ath9k_vif_iter_data { u8 hw_macaddr[ETH_ALEN]; /* address of the first vif */ u8 mask[ETH_ALEN]; /* bssid mask */ bool has_hw_macaddr; u8 slottime; bool beacons; int naps; /* number of AP vifs */ int nmeshes; /* number of mesh vifs */ int nstations; /* number of station vifs */ int nwds; /* number of WDS vifs */ int nadhocs; /* number of adhoc vifs */ int nocbs; /* number of OCB vifs */ int nbcnvifs; /* number of beaconing vifs */ struct ieee80211_vif *primary_beacon_vif; struct ieee80211_vif *primary_sta; }; void ath9k_calculate_iter_data(struct ath_softc *sc, struct ath_chanctx *ctx, struct ath9k_vif_iter_data *iter_data); void ath9k_calculate_summary_state(struct ath_softc *sc, struct ath_chanctx *ctx); void ath9k_set_txpower(struct ath_softc *sc, struct ieee80211_vif *vif); /*******************/ /* Beacon Handling */ /*******************/ /* * Regardless of the number of beacons we stagger, (i.e. regardless of the * number of BSSIDs) if a given beacon does not go out even after waiting this * number of beacon intervals, the game's up. */ #define BSTUCK_THRESH 9 #define ATH_BCBUF 8 #define ATH_DEFAULT_BINTVAL 100 /* TU */ #define ATH_DEFAULT_BMISS_LIMIT 10 #define TSF_TO_TU(_h,_l) \ ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10)) struct ath_beacon { enum { OK, /* no change needed */ UPDATE, /* update pending */ COMMIT /* beacon sent, commit change */ } updateslot; /* slot time update fsm */ u32 beaconq; u32 bmisscnt; struct ieee80211_vif *bslot[ATH_BCBUF]; int slottime; int slotupdate; struct ath_descdma bdma; struct ath_txq *cabq; struct list_head bbuf; bool tx_processed; bool tx_last; }; void ath9k_beacon_tasklet(unsigned long data); void ath9k_beacon_config(struct ath_softc *sc, struct ieee80211_vif *main_vif, bool beacons); void ath9k_beacon_assign_slot(struct ath_softc *sc, struct ieee80211_vif *vif); void ath9k_beacon_remove_slot(struct ath_softc *sc, struct ieee80211_vif *vif); void ath9k_beacon_ensure_primary_slot(struct ath_softc *sc); void ath9k_set_beacon(struct ath_softc *sc); bool ath9k_csa_is_finished(struct ath_softc *sc, struct ieee80211_vif *vif); void ath9k_csa_update(struct ath_softc *sc); /*******************/ /* Link Monitoring */ /*******************/ #define ATH_STA_SHORT_CALINTERVAL 1000 /* 1 second */ #define ATH_AP_SHORT_CALINTERVAL 100 /* 100 ms */ #define ATH_ANI_POLLINTERVAL_OLD 100 /* 100 ms */ #define ATH_ANI_POLLINTERVAL_NEW 1000 /* 1000 ms */ #define ATH_LONG_CALINTERVAL_INT 1000 /* 1000 ms */ #define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */ #define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */ #define ATH_ANI_MAX_SKIP_COUNT 10 #define ATH_PAPRD_TIMEOUT 100 /* msecs */ #define ATH_PLL_WORK_INTERVAL 100 void ath_hw_check_work(struct work_struct *work); void ath_reset_work(struct work_struct *work); bool ath_hw_check(struct ath_softc *sc); void ath_hw_pll_work(struct work_struct *work); void ath_paprd_calibrate(struct work_struct *work); void ath_ani_calibrate(struct timer_list *t); void ath_start_ani(struct ath_softc *sc); void ath_stop_ani(struct ath_softc *sc); void ath_check_ani(struct ath_softc *sc); int ath_update_survey_stats(struct ath_softc *sc); void ath_update_survey_nf(struct ath_softc *sc, int channel); void ath9k_queue_reset(struct ath_softc *sc, enum ath_reset_type type); void ath_ps_full_sleep(struct timer_list *t); void __ath9k_flush(struct ieee80211_hw *hw, u32 queues, bool drop, bool sw_pending, bool timeout_override); /**********/ /* BTCOEX */ /**********/ #define ATH_DUMP_BTCOEX(_s, _val) \ do { \ len += scnprintf(buf + len, size - len, \ "%20s : %10d\n", _s, (_val)); \ } while (0) enum bt_op_flags { BT_OP_PRIORITY_DETECTED, BT_OP_SCAN, }; struct ath_btcoex { spinlock_t btcoex_lock; struct timer_list period_timer; /* Timer for BT period */ struct timer_list no_stomp_timer; u32 bt_priority_cnt; unsigned long bt_priority_time; unsigned long op_flags; int bt_stomp_type; /* Types of BT stomping */ u32 btcoex_no_stomp; /* in msec */ u32 btcoex_period; /* in msec */ u32 btscan_no_stomp; /* in msec */ u32 duty_cycle; u32 bt_wait_time; int rssi_count; struct ath_mci_profile mci; u8 stomp_audio; }; #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT int ath9k_init_btcoex(struct ath_softc *sc); void ath9k_deinit_btcoex(struct ath_softc *sc); void ath9k_start_btcoex(struct ath_softc *sc); void ath9k_stop_btcoex(struct ath_softc *sc); void ath9k_btcoex_timer_resume(struct ath_softc *sc); void ath9k_btcoex_timer_pause(struct ath_softc *sc); void ath9k_btcoex_handle_interrupt(struct ath_softc *sc, u32 status); u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen); void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc); int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size); #else static inline int ath9k_init_btcoex(struct ath_softc *sc) { return 0; } static inline void ath9k_deinit_btcoex(struct ath_softc *sc) { } static inline void ath9k_start_btcoex(struct ath_softc *sc) { } static inline void ath9k_stop_btcoex(struct ath_softc *sc) { } static inline void ath9k_btcoex_handle_interrupt(struct ath_softc *sc, u32 status) { } static inline u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen) { return 0; } static inline void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc) { } static inline int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size) { return 0; } #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */ /********************/ /* LED Control */ /********************/ #define ATH_LED_PIN_DEF 1 #define ATH_LED_PIN_9287 8 #define ATH_LED_PIN_9300 10 #define ATH_LED_PIN_9485 6 #define ATH_LED_PIN_9462 4 #ifdef CONFIG_MAC80211_LEDS void ath_init_leds(struct ath_softc *sc); void ath_deinit_leds(struct ath_softc *sc); #else static inline void ath_init_leds(struct ath_softc *sc) { } static inline void ath_deinit_leds(struct ath_softc *sc) { } #endif /************************/ /* Wake on Wireless LAN */ /************************/ #ifdef CONFIG_ATH9K_WOW void ath9k_init_wow(struct ieee80211_hw *hw); void ath9k_deinit_wow(struct ieee80211_hw *hw); int ath9k_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan); int ath9k_resume(struct ieee80211_hw *hw); void ath9k_set_wakeup(struct ieee80211_hw *hw, bool enabled); #else static inline void ath9k_init_wow(struct ieee80211_hw *hw) { } static inline void ath9k_deinit_wow(struct ieee80211_hw *hw) { } static inline int ath9k_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) { return 0; } static inline int ath9k_resume(struct ieee80211_hw *hw) { return 0; } static inline void ath9k_set_wakeup(struct ieee80211_hw *hw, bool enabled) { } #endif /* CONFIG_ATH9K_WOW */ /*******************************/ /* Antenna diversity/combining */ /*******************************/ #define ATH_ANT_RX_CURRENT_SHIFT 4 #define ATH_ANT_RX_MAIN_SHIFT 2 #define ATH_ANT_RX_MASK 0x3 #define ATH_ANT_DIV_COMB_SHORT_SCAN_INTR 50 #define ATH_ANT_DIV_COMB_SHORT_SCAN_PKTCOUNT 0x100 #define ATH_ANT_DIV_COMB_MAX_PKTCOUNT 0x200 #define ATH_ANT_DIV_COMB_INIT_COUNT 95 #define ATH_ANT_DIV_COMB_MAX_COUNT 100 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO 30 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2 20 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO_LOW_RSSI 50 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2_LOW_RSSI 50 #define ATH_ANT_DIV_COMB_LNA1_DELTA_HI -4 #define ATH_ANT_DIV_COMB_LNA1_DELTA_MID -2 #define ATH_ANT_DIV_COMB_LNA1_DELTA_LOW 2 struct ath_ant_comb { u16 count; u16 total_pkt_count; bool scan; bool scan_not_start; int main_total_rssi; int alt_total_rssi; int alt_recv_cnt; int main_recv_cnt; int rssi_lna1; int rssi_lna2; int rssi_add; int rssi_sub; int rssi_first; int rssi_second; int rssi_third; int ant_ratio; int ant_ratio2; bool alt_good; int quick_scan_cnt; enum ath9k_ant_div_comb_lna_conf main_conf; enum ath9k_ant_div_comb_lna_conf first_quick_scan_conf; enum ath9k_ant_div_comb_lna_conf second_quick_scan_conf; bool first_ratio; bool second_ratio; unsigned long scan_start_time; /* * Card-specific config values. */ int low_rssi_thresh; int fast_div_bias; }; void ath_ant_comb_scan(struct ath_softc *sc, struct ath_rx_status *rs); /********************/ /* Main driver core */ /********************/ #define ATH9K_PCI_CUS198 0x0001 #define ATH9K_PCI_CUS230 0x0002 #define ATH9K_PCI_CUS217 0x0004 #define ATH9K_PCI_CUS252 0x0008 #define ATH9K_PCI_WOW 0x0010 #define ATH9K_PCI_BT_ANT_DIV 0x0020 #define ATH9K_PCI_D3_L1_WAR 0x0040 #define ATH9K_PCI_AR9565_1ANT 0x0080 #define ATH9K_PCI_AR9565_2ANT 0x0100 #define ATH9K_PCI_NO_PLL_PWRSAVE 0x0200 #define ATH9K_PCI_KILLER 0x0400 #define ATH9K_PCI_LED_ACT_HI 0x0800 /* * Default cache line size, in bytes. * Used when PCI device not fully initialized by bootrom/BIOS */ #define DEFAULT_CACHELINE 32 #define ATH_CABQ_READY_TIME 80 /* % of beacon interval */ #define ATH_TXPOWER_MAX 100 /* .5 dBm units */ #define MAX_GTT_CNT 5 /* Powersave flags */ #define PS_WAIT_FOR_BEACON BIT(0) #define PS_WAIT_FOR_CAB BIT(1) #define PS_WAIT_FOR_PSPOLL_DATA BIT(2) #define PS_WAIT_FOR_TX_ACK BIT(3) #define PS_BEACON_SYNC BIT(4) #define PS_WAIT_FOR_ANI BIT(5) #define ATH9K_NUM_CHANCTX 2 /* supports 2 operating channels */ struct ath_softc { struct ieee80211_hw *hw; struct device *dev; struct survey_info *cur_survey; struct survey_info survey[ATH9K_NUM_CHANNELS]; spinlock_t intr_lock; struct tasklet_struct intr_tq; struct tasklet_struct bcon_tasklet; struct ath_hw *sc_ah; void __iomem *mem; int irq; spinlock_t sc_serial_rw; spinlock_t sc_pm_lock; spinlock_t sc_pcu_lock; struct mutex mutex; struct work_struct paprd_work; struct work_struct hw_reset_work; struct completion paprd_complete; wait_queue_head_t tx_wait; #ifdef CONFIG_ATH9K_CHANNEL_CONTEXT struct work_struct chanctx_work; struct ath_gen_timer *p2p_ps_timer; struct ath_vif *p2p_ps_vif; struct ath_chanctx_sched sched; struct ath_offchannel offchannel; struct ath_chanctx *next_chan; struct completion go_beacon; struct timespec64 last_event_time; #endif unsigned long driver_data; u8 gtt_cnt; u32 intrstatus; u16 ps_flags; /* PS_* */ bool ps_enabled; bool ps_idle; short nbcnvifs; unsigned long ps_usecount; struct ath_rx rx; struct ath_tx tx; struct ath_beacon beacon; struct cfg80211_chan_def cur_chandef; struct ath_chanctx chanctx[ATH9K_NUM_CHANCTX]; struct ath_chanctx *cur_chan; spinlock_t chan_lock; #ifdef CONFIG_MAC80211_LEDS bool led_registered; char led_name[32]; struct led_classdev led_cdev; #endif #ifdef CONFIG_ATH9K_DEBUGFS struct ath9k_debug debug; #endif struct delayed_work hw_check_work; struct delayed_work hw_pll_work; struct timer_list sleep_timer; #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT struct ath_btcoex btcoex; struct ath_mci_coex mci_coex; struct work_struct mci_work; #endif struct ath_descdma txsdma; struct ath_ant_comb ant_comb; u8 ant_tx, ant_rx; struct dfs_pattern_detector *dfs_detector; u64 dfs_prev_pulse_ts; u32 wow_enabled; struct ath_spec_scan_priv spec_priv; struct ieee80211_vif *tx99_vif; struct sk_buff *tx99_skb; bool tx99_state; s16 tx99_power; #ifdef CONFIG_ATH9K_WOW u32 wow_intr_before_sleep; bool force_wow; #endif #ifdef CONFIG_ATH9K_HWRNG u32 rng_last; struct task_struct *rng_task; #endif }; /********/ /* TX99 */ /********/ #ifdef CONFIG_ATH9K_TX99 void ath9k_tx99_init_debug(struct ath_softc *sc); int ath9k_tx99_send(struct ath_softc *sc, struct sk_buff *skb, struct ath_tx_control *txctl); #else static inline void ath9k_tx99_init_debug(struct ath_softc *sc) { } static inline int ath9k_tx99_send(struct ath_softc *sc, struct sk_buff *skb, struct ath_tx_control *txctl) { return 0; } #endif /* CONFIG_ATH9K_TX99 */ /***************************/ /* Random Number Generator */ /***************************/ #ifdef CONFIG_ATH9K_HWRNG void ath9k_rng_start(struct ath_softc *sc); void ath9k_rng_stop(struct ath_softc *sc); #else static inline void ath9k_rng_start(struct ath_softc *sc) { } static inline void ath9k_rng_stop(struct ath_softc *sc) { } #endif static inline void ath_read_cachesize(struct ath_common *common, int *csz) { common->bus_ops->read_cachesize(common, csz); } void ath9k_tasklet(unsigned long data); int ath_cabq_update(struct ath_softc *); u8 ath9k_parse_mpdudensity(u8 mpdudensity); irqreturn_t ath_isr(int irq, void *dev); int ath_reset(struct ath_softc *sc, struct ath9k_channel *hchan); void ath_cancel_work(struct ath_softc *sc); void ath_restart_work(struct ath_softc *sc); int ath9k_init_device(u16 devid, struct ath_softc *sc, const struct ath_bus_ops *bus_ops); void ath9k_deinit_device(struct ath_softc *sc); void ath9k_reload_chainmask_settings(struct ath_softc *sc); u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate); void ath_start_rfkill_poll(struct ath_softc *sc); void ath9k_rfkill_poll_state(struct ieee80211_hw *hw); void ath9k_ps_wakeup(struct ath_softc *sc); void ath9k_ps_restore(struct ath_softc *sc); #ifdef CONFIG_ATH9K_PCI int ath_pci_init(void); void ath_pci_exit(void); #else static inline int ath_pci_init(void) { return 0; }; static inline void ath_pci_exit(void) {}; #endif #ifdef CONFIG_ATH9K_AHB int ath_ahb_init(void); void ath_ahb_exit(void); #else static inline int ath_ahb_init(void) { return 0; }; static inline void ath_ahb_exit(void) {}; #endif #endif /* ATH9K_H */
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