diff options
Diffstat (limited to 'qemu/roms/ipxe/src/drivers/net/ath/ath9k/ath9k.h')
-rw-r--r-- | qemu/roms/ipxe/src/drivers/net/ath/ath9k/ath9k.h | 523 |
1 files changed, 0 insertions, 523 deletions
diff --git a/qemu/roms/ipxe/src/drivers/net/ath/ath9k/ath9k.h b/qemu/roms/ipxe/src/drivers/net/ath/ath9k/ath9k.h deleted file mode 100644 index 36dc97e99..000000000 --- a/qemu/roms/ipxe/src/drivers/net/ath/ath9k/ath9k.h +++ /dev/null @@ -1,523 +0,0 @@ -/* - * Copyright (c) 2008-2011 Atheros Communications Inc. - * - * Modified for iPXE by Scott K Logan <logans@cottsay.net> July 2011 - * Original from Linux kernel 3.0.1 - * - * 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 - -FILE_LICENCE ( BSD2 ); - -#include "common.h" - -/* - * Header for the ath9k.ko driver core *only* -- hw code nor any other driver - * should rely on this file or its contents. - */ - -struct ath_node; -struct ath_softc; - -/* 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)) - -/* increment with wrap-around */ -#define INCR(_l, _sz) do { \ - (_l)++; \ - (_l) &= ((_sz) - 1); \ - } while (0) - -/* decrement with wrap-around */ -#define DECR(_l, _sz) do { \ - (_l)--; \ - (_l) &= ((_sz) - 1); \ - } while (0) - -#define A_MAX(a, b) ((a) > (b) ? (a) : (b)) - -#define TSF_TO_TU(_h,_l) \ - ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10)) - -#define ATH_TXQ_SETUP(sc, i) ((sc)->tx.txqsetup & (1<<i)) - -struct ath_config { - u16 txpowlimit; - u8 cabqReadytime; -}; - -/*************************/ -/* Descriptor Management */ -/*************************/ - -#define ATH_TXBUF_RESET(_bf) do { \ - (_bf)->bf_stale = 0; \ - (_bf)->bf_lastbf = NULL; \ - (_bf)->bf_next = NULL; \ - memset(&((_bf)->bf_state), 0, \ - sizeof(struct ath_buf_state)); \ - } while (0) - -#define ATH_RXBUF_RESET(_bf) do { \ - (_bf)->bf_stale = 0; \ - } while (0) - -/** - * 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) - * @BUF_XRETRY: To denote excessive retries of the buffer - */ -enum buffer_type { - BUF_AMPDU = BIT(0), - BUF_AGGR = BIT(1), - BUF_XRETRY = BIT(2), -}; - -#define bf_isampdu(bf) (bf->bf_state.bf_type & BUF_AMPDU) -#define bf_isaggr(bf) (bf->bf_state.bf_type & BUF_AGGR) -#define bf_isxretried(bf) (bf->bf_state.bf_type & BUF_XRETRY) - -#define ATH_TXSTATUS_RING_SIZE 64 - -struct ath_descdma { - void *dd_desc; - u32 dd_desc_paddr; - u32 dd_desc_len; - struct ath_buf *dd_bufptr; -}; - -int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd, - struct list_head *head, const char *name, - int nbuf, int ndesc, int is_tx); -void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd, - struct list_head *head); - -/***********/ -/* RX / TX */ -/***********/ - -#define ATH_RXBUF 16 -#define ATH_TXBUF 16 -#define ATH_TXBUF_RESERVE 5 -#define ATH_MAX_QDEPTH (ATH_TXBUF / 4 - ATH_TXBUF_RESERVE) -#define ATH_TXMAXTRY 13 - -#define TID_TO_WME_AC(_tid) \ - ((((_tid) == 0) || ((_tid) == 3)) ? WME_AC_BE : \ - (((_tid) == 1) || ((_tid) == 2)) ? WME_AC_BK : \ - (((_tid) == 4) || ((_tid) == 5)) ? WME_AC_VI : \ - WME_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 -#define ATH_AMPDU_SUBFRAME_DEFAULT 32 - -#define FCS_LEN 4 -#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)) - -/* 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) (&(_an)->tid[(_tidno)]) - -#define ATH_TX_COMPLETE_POLL_INT 1000 - -enum ATH_AGGR_STATUS { - ATH_AGGR_DONE, - ATH_AGGR_BAW_CLOSED, - ATH_AGGR_LIMITED, -}; - -#define ATH_TXFIFO_DEPTH 8 -struct ath_txq { - int mac80211_qnum; /* mac80211 queue number, -1 means not mac80211 Q */ - u32 axq_qnum; /* ath9k hardware queue number */ - u32 *axq_link; - struct list_head axq_q; - u32 axq_depth; - u32 axq_ampdu_depth; - int stopped; - int axq_tx_inprogress; - struct list_head axq_acq; - struct list_head txq_fifo[ATH_TXFIFO_DEPTH]; - struct list_head txq_fifo_pending; - u8 txq_headidx; - u8 txq_tailidx; - int pending_frames; -}; - -struct ath_atx_ac { - struct ath_txq *txq; - int sched; - struct list_head list; - struct list_head tid_q; - int clear_ps_filter; -}; - -struct ath_frame_info { - int framelen; - u32 keyix; - enum ath9k_key_type keytype; - u8 retries; - u16 seqno; -}; - -struct ath_buf_state { - u8 bf_type; - u8 bfs_paprd; - 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 io_buffer *bf_mpdu; /* enclosing frame structure */ - void *bf_desc; /* virtual addr of desc */ - u32 bf_daddr; /* physical addr of desc */ - u32 bf_buf_addr; /* physical addr of data buffer, for DMA */ - int bf_stale; - u16 bf_flags; - struct ath_buf_state bf_state; -}; - -struct ath_atx_tid { - struct list_head list; - struct list_head buf_q; - struct ath_node *an; - struct ath_atx_ac *ac; - unsigned long tx_buf[BITS_TO_LONGS(ATH_TID_MAX_BUFS)]; - u16 seq_start; - u16 seq_next; - u16 baw_size; - int tidno; - int baw_head; /* first un-acked tx buffer */ - int baw_tail; /* next unused tx buffer slot */ - int sched; - int paused; - u8 state; -}; - -struct ath_node { - struct ath_atx_tid tid[WME_NUM_TID]; - struct ath_atx_ac ac[WME_NUM_AC]; - int ps_key; - - u16 maxampdu; - u8 mpdudensity; - - int sleeping; -}; - -#define AGGR_CLEANUP BIT(1) -#define AGGR_ADDBA_COMPLETE BIT(2) -#define AGGR_ADDBA_PROGRESS BIT(3) - -struct ath_tx_control { - struct ath_txq *txq; - struct ath_node *an; - int if_id; - u8 paprd; -}; - -#define ATH_TX_ERROR 0x01 -#define ATH_TX_XRETRY 0x02 -#define ATH_TX_BAR 0x04 - -/** - * @txq_map: Index is mac80211 queue number. This is - * not necessarily the same as the hardware queue number - * (axq_qnum). - */ -struct ath_tx { - u16 seq_no; - u32 txqsetup; - struct list_head txbuf; - struct ath_txq txq[ATH9K_NUM_TX_QUEUES]; - struct ath_descdma txdma; - struct ath_txq *txq_map[WME_NUM_AC]; -}; - -struct ath_rx_edma { - struct list_head rx_fifo; - struct list_head rx_buffers; - u32 rx_fifo_hwsize; -}; - -struct ath_rx { - u8 defant; - u8 rxotherant; - u32 *rxlink; - unsigned int rxfilter; - struct list_head rxbuf; - struct ath_descdma rxdma; - struct ath_buf *rx_bufptr; - struct ath_rx_edma rx_edma[ATH9K_RX_QUEUE_MAX]; - - struct io_buffer *frag; -}; - -int ath_startrecv(struct ath_softc *sc); -int ath_stoprecv(struct ath_softc *sc); -void ath_flushrecv(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, int hp); -struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype); -void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq); -int ath_drain_all_txq(struct ath_softc *sc, int retry_tx); -void ath_draintxq(struct ath_softc *sc, - struct ath_txq *txq, int retry_tx); -void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq); -int ath_tx_init(struct ath_softc *sc, int nbufs); -void ath_tx_cleanup(struct ath_softc *sc); -int ath_txq_update(struct ath_softc *sc, int qnum, - struct ath9k_tx_queue_info *q); -int ath_tx_start(struct net80211_device *dev, struct io_buffer *iob, - struct ath_tx_control *txctl); -void ath_tx_tasklet(struct ath_softc *sc); - -/*******/ -/* ANI */ -/*******/ - -#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 */ - -void ath_hw_pll_work(struct ath_softc *sc); -void ath_ani_calibrate(struct ath_softc *sc); - -/********************/ -/* Main driver core */ -/********************/ - -/* - * Default cache line size, in bytes. - * Used when PCI device not fully initialized by bootrom/BIOS -*/ -#define DEFAULT_CACHELINE 32 -#define ATH_REGCLASSIDS_MAX 10 -#define ATH_CABQ_READY_TIME 80 /* % of beacon interval */ -#define ATH_MAX_SW_RETRIES 10 -#define ATH_CHAN_MAX 255 - -#define ATH_TXPOWER_MAX 100 /* .5 dBm units */ -#define ATH_RATE_DUMMY_MARKER 0 - -#define SC_OP_INVALID BIT(0) -#define SC_OP_BEACONS BIT(1) -#define SC_OP_RXAGGR BIT(2) -#define SC_OP_TXAGGR BIT(3) -#define SC_OP_OFFCHANNEL BIT(4) -#define SC_OP_PREAMBLE_SHORT BIT(5) -#define SC_OP_PROTECT_ENABLE BIT(6) -#define SC_OP_RXFLUSH BIT(7) -#define SC_OP_LED_ASSOCIATED BIT(8) -#define SC_OP_LED_ON BIT(9) -#define SC_OP_TSF_RESET BIT(11) -#define SC_OP_BT_PRIORITY_DETECTED BIT(12) -#define SC_OP_BT_SCAN BIT(13) -#define SC_OP_ANI_RUN BIT(14) -#define SC_OP_ENABLE_APM BIT(15) -#define SC_OP_PRIM_STA_VIF BIT(16) - -/* 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_TSFOOR_SYNC BIT(5) - -struct ath_rate_table; - -struct ath9k_legacy_rate { - u16 bitrate; - u32 flags; - u16 hw_value; - u16 hw_value_short; -}; - -enum ath9k_rate_control_flags { - IEEE80211_TX_RC_USE_RTS_CTS = BIT(0), - IEEE80211_TX_RC_USE_CTS_PROTECT = BIT(1), - IEEE80211_TX_RC_USE_SHORT_PREAMBLE = BIT(2), - - /* rate index is an MCS rate number instead of an index */ - IEEE80211_TX_RC_MCS = BIT(3), - IEEE80211_TX_RC_GREEN_FIELD = BIT(4), - IEEE80211_TX_RC_40_MHZ_WIDTH = BIT(5), - IEEE80211_TX_RC_DUP_DATA = BIT(6), - IEEE80211_TX_RC_SHORT_GI = BIT(7), -}; - -struct survey_info { - struct net80211_channel *channel; - u64 channel_time; - u64 channel_time_busy; - u64 channel_time_ext_busy; - u64 channel_time_rx; - u64 channel_time_tx; - u32 filled; - s8 noise; -}; - -enum survey_info_flags { - SURVEY_INFO_NOISE_DBM = 1<<0, - SURVEY_INFO_IN_USE = 1<<1, - SURVEY_INFO_CHANNEL_TIME = 1<<2, - SURVEY_INFO_CHANNEL_TIME_BUSY = 1<<3, - SURVEY_INFO_CHANNEL_TIME_EXT_BUSY = 1<<4, - SURVEY_INFO_CHANNEL_TIME_RX = 1<<5, - SURVEY_INFO_CHANNEL_TIME_TX = 1<<6, -}; - -struct ath9k_vif_iter_data { - const u8 *hw_macaddr; /* phy's hardware address, set - * before starting iteration for - * valid bssid mask. - */ - u8 mask[ETH_ALEN]; /* bssid mask */ - int naps; /* number of AP vifs */ - int nmeshes; /* number of mesh vifs */ - int nstations; /* number of station vifs */ - int nwds; /* number of nwd vifs */ - int nadhocs; /* number of adhoc vifs */ - int nothers; /* number of vifs not specified above. */ -}; - -struct ath_softc { - struct net80211_device *dev; - struct pci_device *pdev; - - int chan_idx; - int chan_is_ht; - struct survey_info *cur_survey; - struct survey_info survey[ATH9K_NUM_CHANNELS]; - - void (*intr_tq)(struct ath_softc *sc); - struct ath_hw *sc_ah; - void *mem; - int irq; - - void (*paprd_work)(struct ath_softc *sc); - void (*hw_check_work)(struct ath_softc *sc); - void (*paprd_complete)(struct ath_softc *sc); - - unsigned int hw_busy_count; - - u32 intrstatus; - u32 sc_flags; /* SC_OP_* */ - u16 ps_flags; /* PS_* */ - u16 curtxpow; - int ps_enabled; - int ps_idle; - short nbcnvifs; - short nvifs; - unsigned long ps_usecount; - - struct ath_config config; - struct ath_rx rx; - struct ath_tx tx; - struct net80211_hw_info *hwinfo; - struct ath9k_legacy_rate rates[NET80211_MAX_RATES]; - int hw_rix; - - struct ath9k_hw_cal_data caldata; - int last_rssi; - - void (*tx_complete_work)(struct ath_softc *sc); - unsigned long tx_complete_work_timer; - void (*hw_pll_work)(struct ath_softc *sc); - unsigned long hw_pll_work_timer; - - struct ath_descdma txsdma; -}; - -void ath9k_tasklet(struct ath_softc *sc); -int ath_reset(struct ath_softc *sc, int retry_tx); - -static inline void ath_read_cachesize(struct ath_common *common, int *csz) -{ - common->bus_ops->read_cachesize(common, csz); -} - -extern struct net80211_device_operations ath9k_ops; -extern int ath9k_modparam_nohwcrypt; -extern int is_ath9k_unloaded; - -void ath_isr(struct net80211_device *dev); -void ath9k_init_crypto(struct ath_softc *sc); -int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid, - const struct ath_bus_ops *bus_ops); -void ath9k_deinit_device(struct ath_softc *sc); -void ath9k_set_hw_capab(struct ath_softc *sc, struct net80211_device *dev); -int ath_set_channel(struct ath_softc *sc, struct net80211_device *dev, - struct ath9k_channel *hchan); - -void ath_radio_enable(struct ath_softc *sc, struct net80211_device *dev); -void ath_radio_disable(struct ath_softc *sc, struct net80211_device *dev); -int ath9k_setpower(struct ath_softc *sc, enum ath9k_power_mode mode); -int ath9k_uses_beacons(int type); - -u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate); - -void ath_start_rfkill_poll(struct ath_softc *sc); -extern void ath9k_rfkill_poll_state(struct net80211_device *dev); - -#endif /* ATH9K_H */ |