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/* $NetBSD: if_rtwnreg.h,v 1.6 2019/10/05 23:27:20 mrg Exp $ */
/* $OpenBSD: if_rtwnreg.h,v 1.3 2015/06/14 08:02:47 stsp Exp $ */
/*-
* Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr>
* Copyright (c) 2015 Stefan Sperling <stsp@openbsd.org>
*
* Permission to use, copy, modify, and 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 _DEV_PCI_RTWNREG_H_
#define _DEV_PCI_RTWNREG_H_
/* Maximum number of output pipes is 3. */
#define R92C_MAX_EPOUT 3
#define R92C_PUBQ_NPAGES 176
#define R92C_HPQ_NPAGES 41
#define R92C_LPQ_NPAGES 28
#define R92C_TXPKTBUF_COUNT 256
#define R92C_TX_PAGE_COUNT \
(R92C_PUBQ_NPAGES + R92C_HPQ_NPAGES + R92C_LPQ_NPAGES)
#define R92C_TX_PAGE_BOUNDARY (R92C_TX_PAGE_COUNT + 1)
/* USB Requests. */
#define R92C_REQ_REGS 0x05
/*
* Driver definitions.
*/
#define RTWN_NTXQUEUES 9
#define RTWN_RX_LIST_COUNT 256
#define RTWN_TX_LIST_COUNT 256
#define RTWN_TX_LIST_LOMARK 192
#define RTWN_TX_LIST_HIMARK 255
#define RTWN_HOST_CMD_RING_COUNT 32
/* TX queue indices. */
#define RTWN_BK_QUEUE 0
#define RTWN_BE_QUEUE 1
#define RTWN_VI_QUEUE 2
#define RTWN_VO_QUEUE 3
#define RTWN_BEACON_QUEUE 4
#define RTWN_TXCMD_QUEUE 5
#define RTWN_MGNT_QUEUE 6
#define RTWN_HIGH_QUEUE 7
#define RTWN_HCCA_QUEUE 8
/* RX queue indices. */
#define RTWN_RX_QUEUE 0
#define RTWN_RXBUFSZ (16 * 1024)
#define RTWN_TXBUFSZ (sizeof(struct r92c_tx_desc) + IEEE80211_MAX_LEN)
#define RTWN_RIDX_COUNT 28
#define RTWN_TX_TIMEOUT 5000 /* ms */
#define RTWN_LED_LINK 0
#define RTWN_LED_DATA 1
struct rtwn_rx_radiotap_header {
struct ieee80211_radiotap_header wr_ihdr;
uint8_t wr_flags;
uint8_t wr_rate;
uint16_t wr_chan_freq;
uint16_t wr_chan_flags;
uint8_t wr_dbm_antsignal;
};
#define RTWN_RX_RADIOTAP_PRESENT \
(1 << IEEE80211_RADIOTAP_FLAGS | \
1 << IEEE80211_RADIOTAP_RATE | \
1 << IEEE80211_RADIOTAP_CHANNEL | \
1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL)
struct rtwn_tx_radiotap_header {
struct ieee80211_radiotap_header wt_ihdr;
uint8_t wt_flags;
uint16_t wt_chan_freq;
uint16_t wt_chan_flags;
};
#define RTWN_TX_RADIOTAP_PRESENT \
(1 << IEEE80211_RADIOTAP_FLAGS | \
1 << IEEE80211_RADIOTAP_CHANNEL)
struct rtwn_softc;
struct rtwn_rx_data {
bus_dmamap_t map;
struct mbuf *m;
};
struct rtwn_rx_ring {
struct r92c_rx_desc_pci *desc;
bus_dmamap_t map;
bus_dma_segment_t seg;
int nsegs;
struct rtwn_rx_data rx_data[RTWN_RX_LIST_COUNT];
};
struct rtwn_tx_data {
bus_dmamap_t map;
struct mbuf *m;
struct ieee80211_node *ni;
};
struct rtwn_tx_ring {
bus_dmamap_t map;
bus_dma_segment_t seg;
int nsegs;
struct r92c_tx_desc_pci *desc;
struct rtwn_tx_data tx_data[RTWN_TX_LIST_COUNT];
int queued;
int cur;
};
struct rtwn_host_cmd {
void (*cb)(struct rtwn_softc *, void *);
uint8_t data[256];
};
struct rtwn_cmd_key {
struct ieee80211_key key;
uint16_t associd;
};
struct rtwn_host_cmd_ring {
struct rtwn_host_cmd cmd[RTWN_HOST_CMD_RING_COUNT];
int cur;
int next;
int queued;
};
struct rtwn_softc {
device_t sc_dev;
struct ethercom sc_ec;
struct ieee80211com sc_ic;
int (*sc_newstate)(struct ieee80211com *,
enum ieee80211_state, int);
/* PCI specific goo. */
bus_dma_tag_t sc_dmat;
pci_chipset_tag_t sc_pc;
pcitag_t sc_tag;
void *sc_ih;
pci_intr_handle_t *sc_pihp;
bus_space_tag_t sc_st;
bus_space_handle_t sc_sh;
bus_size_t sc_mapsize;
int sc_cap_off;
void *sc_soft_ih;
struct callout scan_to;
struct callout calib_to;
void *init_task;
int ac2idx[WME_NUM_AC];
uint32_t sc_flags;
#define RTWN_FLAG_FW_LOADED __BIT(0)
#define RTWN_FLAG_CCK_HIPWR __BIT(1)
uint32_t chip;
#define RTWN_CHIP_88C __BIT(0)
#define RTWN_CHIP_92C __BIT(1)
#define RTWN_CHIP_92C_1T2R __BIT(2)
#define RTWN_CHIP_UMC __BIT(3)
#define RTWN_CHIP_UMC_A_CUT __BIT(4)
#define RTWN_CHIP_UMC_B_CUT __BIT(5)
uint8_t board_type;
uint8_t regulatory;
uint8_t pa_setting;
int avg_pwdb;
int thcal_state;
int thcal_lctemp;
int ntxchains;
int nrxchains;
int ledlink;
int sc_tx_timer;
int fwcur;
struct rtwn_rx_ring rx_ring;
struct rtwn_tx_ring tx_ring[RTWN_NTXQUEUES];
uint32_t qfullmsk;
struct r92c_rom rom;
uint32_t rf_chnlbw[R92C_MAX_CHAINS];
struct bpf_if *sc_drvbpf;
union {
struct rtwn_rx_radiotap_header th;
uint8_t pad[64];
} sc_rxtapu;
#define sc_rxtap sc_rxtapu.th
int sc_rxtap_len;
union {
struct rtwn_tx_radiotap_header th;
uint8_t pad[64];
} sc_txtapu;
#define sc_txtap sc_txtapu.th
int sc_txtap_len;
};
#define sc_if sc_ec.ec_if
#define GET_IFP(sc) (&(sc)->sc_if)
#define IC2IFP(ic) ((ic)->ic_ifp)
#endif /* _DEV_PCI_RTWNREG_H_ */
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