Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
213b42bc0d
NetBSD/sys/dev/ic/rtwvar.h
mrg 49e1839354 remove __packed attribute from struct ieee80211_radiotap_header 
and all the structures that include it.

this should not change anything while avoiding packed vs alignment
warnings from GCC 8, and potentially pessimised code generation
due to the packed marker (there are no misaligned members, just
that the per-device parts may end unaligned.)

all consumers of these members are done from the properly aligned
packet members directly, or, as a union with a 64 byte member,
also properly aligned.  codegen didn't appear to change, except
for the definition of sizeof(struct driver_[rt]x_radiotap_header)
in debug info, which is not directly used anywhere.
2019-10-05 23:27:20 +00:00

555 lines
15 KiB
C
Raw Blame History

/* $NetBSD: rtwvar.h,v 1.48 2019/10/05 23:27:20 mrg Exp $ */
/*-
* Copyright (c) 2004, 2005 David Young. All rights reserved.
*
* Driver for the Realtek RTL8180 802.11 MAC/BBP by David Young.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY David Young ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL David
* Young BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*/
#ifndef _DEV_IC_RTWVAR_H_
#define _DEV_IC_RTWVAR_H_
#include <sys/queue.h>
#include <sys/callout.h>
#ifdef RTW_DEBUG
#define RTW_DEBUG_TUNE 0x0000001
#define RTW_DEBUG_PKTFILT 0x0000002
#define RTW_DEBUG_XMIT 0x0000004
#define RTW_DEBUG_XMIT_DESC 0x0000008
#define RTW_DEBUG_NODE 0x0000010
#define RTW_DEBUG_PWR 0x0000020
#define RTW_DEBUG_ATTACH 0x0000040
#define RTW_DEBUG_REGDUMP 0x0000080
#define RTW_DEBUG_ACCESS 0x0000100
#define RTW_DEBUG_RESET 0x0000200
#define RTW_DEBUG_INIT 0x0000400
#define RTW_DEBUG_IOSTATE 0x0000800
#define RTW_DEBUG_RECV 0x0001000
#define RTW_DEBUG_RECV_DESC 0x0002000
#define RTW_DEBUG_IO_KICK 0x0004000
#define RTW_DEBUG_INTR 0x0008000
#define RTW_DEBUG_PHY 0x0010000
#define RTW_DEBUG_PHYIO 0x0020000
#define RTW_DEBUG_PHYBITIO 0x0040000
#define RTW_DEBUG_TIMEOUT 0x0080000
#define RTW_DEBUG_BUGS 0x0100000
#define RTW_DEBUG_BEACON 0x0200000
#define RTW_DEBUG_LED 0x0400000
#define RTW_DEBUG_KEY 0x0800000
#define RTW_DEBUG_XMIT_RSRC 0x1000000
#define RTW_DEBUG_OACTIVE 0x2000000
#define RTW_DEBUG_MAX 0x3ffffff
extern int rtw_debug;
#define RTW_DPRINTF(__flags, __x) \
if ((rtw_debug & (__flags)) != 0) printf __x
#define DPRINTF(__sc, __flags, __x) \
if (((__sc)->sc_if.if_flags & IFF_DEBUG) != 0) \
RTW_DPRINTF(__flags, __x)
#define RTW_PRINT_REGS(__regs, __dvname, __where) \
rtw_print_regs((__regs), (__dvname), (__where))
#else /* RTW_DEBUG */
#define RTW_DPRINTF(__flags, __x)
#define DPRINTF(__sc, __flags, __x)
#define RTW_PRINT_REGS(__regs, __dvname, __where)
#endif /* RTW_DEBUG */
enum rtw_locale {
RTW_LOCALE_USA = 0,
RTW_LOCALE_EUROPE,
RTW_LOCALE_JAPAN,
RTW_LOCALE_UNKNOWN
};
enum rtw_rfchipid {
RTW_RFCHIPID_RESERVED = 0,
RTW_RFCHIPID_INTERSIL = 1,
RTW_RFCHIPID_RFMD = 2,
RTW_RFCHIPID_PHILIPS = 3,
RTW_RFCHIPID_MAXIM = 4,
RTW_RFCHIPID_GCT = 5
};
/* sc_flags */
#define RTW_F_DIGPHY 0x00000002 /* digital PHY */
#define RTW_F_DFLANTB 0x00000004 /* B antenna is default */
#define RTW_F_ANTDIV 0x00000010 /* h/w antenna diversity */
#define RTW_F_9356SROM 0x00000020 /* 93c56 SROM */
#define RTW_F_DK_VALID 0x00000040 /* keys in DK0-DK3 are valid */
#define RTW_C_RXWEP_40 0x00000080 /* h/w decrypts 40-bit WEP */
#define RTW_C_RXWEP_104 0x00000100 /* h/w decrypts 104-bit WEP */
/* all PHY flags */
#define RTW_F_ALLPHY (RTW_F_DIGPHY|RTW_F_DFLANTB|RTW_F_ANTDIV)
enum rtw_access {RTW_ACCESS_NONE = 0,
RTW_ACCESS_CONFIG = 1,
RTW_ACCESS_ANAPARM = 2};
struct rtw_regs {
bus_space_tag_t r_bt;
bus_space_handle_t r_bh;
bus_size_t r_sz;
enum rtw_access r_access;
};
/*
* Bus barrier
*
* Complete outstanding read and/or write ops on [reg0, reg1]
* ([reg1, reg0]) before starting new ops on the same region. See
* acceptable bus_space_barrier(9) for the flag definitions.
*/
static __inline void
rtw_barrier(const struct rtw_regs *r, int reg0, int reg1, int flags)
{
bus_space_barrier(r->r_bt, r->r_bh, MIN(reg0, reg1),
MAX(reg0, reg1) - MIN(reg0, reg1) + 4, flags);
}
/*
* Barrier convenience macros.
*/
/* sync */
#define RTW_SYNC(regs, reg0, reg1) \
rtw_barrier(regs, reg0, reg1, BUS_SPACE_BARRIER_READ|BUS_SPACE_BARRIER_WRITE)
/* write-before-write */
#define RTW_WBW(regs, reg0, reg1) \
rtw_barrier(regs, reg0, reg1, BUS_SPACE_BARRIER_WRITE)
/* write-before-read */
#define RTW_WBR(regs, reg0, reg1) \
rtw_barrier(regs, reg0, reg1, BUS_SPACE_BARRIER_WRITE)
/* read-before-read */
#define RTW_RBR(regs, reg0, reg1) \
rtw_barrier(regs, reg0, reg1, BUS_SPACE_BARRIER_READ)
/* read-before-write */
#define RTW_RBW(regs, reg0, reg1) \
rtw_barrier(regs, reg0, reg1, BUS_SPACE_BARRIER_READ)
#define RTW_WBRW(regs, reg0, reg1) \
rtw_barrier(regs, reg0, reg1, \
BUS_SPACE_BARRIER_WRITE)
#define RTW_SR_GET(sr, ofs) \
(((sr)->sr_content[(ofs)/2] >> (((ofs) % 2 == 0) ? 0 : 8)) & 0xff)
#define RTW_SR_GET16(sr, ofs) \
(RTW_SR_GET((sr), (ofs)) | (RTW_SR_GET((sr), (ofs) + 1) << 8))
struct rtw_srom {
uint16_t *sr_content;
uint16_t sr_size;
};
struct rtw_rxsoft {
struct mbuf *rs_mbuf;
bus_dmamap_t rs_dmamap;
};
struct rtw_txsoft {
SIMPLEQ_ENTRY(rtw_txsoft) ts_q;
struct mbuf *ts_mbuf;
bus_dmamap_t ts_dmamap;
struct ieee80211_node *ts_ni; /* destination node */
u_int ts_first; /* 1st hw descriptor */
u_int ts_last; /* last hw descriptor */
struct ieee80211_duration ts_d0;
struct ieee80211_duration ts_dn;
};
#define RTW_NTXPRI 4 /* number of Tx priorities */
#define RTW_TXPRILO 0
#define RTW_TXPRIMD 1
#define RTW_TXPRIHI 2
#define RTW_TXPRIBCN 3 /* beacon priority */
#define RTW_MAXPKTSEGS 64 /* Max 64 segments per Tx packet */
#define CASSERT(cond, complaint) complaint[(cond) ? 0 : -1] = complaint[(cond) ? 0 : -1]
/* Note well: the descriptor rings must begin on RTW_DESC_ALIGNMENT
* boundaries. I allocate them consecutively from one buffer, so
* just round up.
*/
#define RTW_TXQLENLO 64 /* low-priority queue length */
#define RTW_TXQLENMD 64 /* medium-priority */
#define RTW_TXQLENHI 64 /* high-priority */
#define RTW_TXQLENBCN 8 /* beacon */
#define RTW_NTXDESCLO RTW_TXQLENLO
#define RTW_NTXDESCMD RTW_TXQLENMD
#define RTW_NTXDESCHI RTW_TXQLENHI
#define RTW_NTXDESCBCN RTW_TXQLENBCN
#define RTW_NTXDESCTOTAL (RTW_NTXDESCLO + RTW_NTXDESCMD + \
RTW_NTXDESCHI + RTW_NTXDESCBCN)
#define RTW_RXQLEN 64
struct rtw_rxdesc_blk {
u_int rdb_ndesc;
u_int rdb_next;
bus_dma_tag_t rdb_dmat;
bus_dmamap_t rdb_dmamap;
struct rtw_rxdesc *rdb_desc;
};
struct rtw_txdesc_blk {
u_int tdb_ndesc;
u_int tdb_next;
u_int tdb_nfree;
bus_dma_tag_t tdb_dmat;
bus_dmamap_t tdb_dmamap;
bus_addr_t tdb_physbase;
bus_addr_t tdb_ofs;
bus_size_t tdb_basereg;
uint32_t tdb_base;
struct rtw_txdesc *tdb_desc;
};
#define RTW_NEXT_IDX(__htc, __idx) (((__idx) + 1) % (__htc)->tdb_ndesc)
#define RTW_NEXT_DESC(__htc, __idx) \
((__htc)->tdb_physbase + \
sizeof(struct rtw_txdesc) * RTW_NEXT_IDX((__htc), (__idx)))
SIMPLEQ_HEAD(rtw_txq, rtw_txsoft);
struct rtw_txsoft_blk {
/* dirty/free s/w descriptors */
struct rtw_txq tsb_dirtyq;
struct rtw_txq tsb_freeq;
u_int tsb_ndesc;
int tsb_tx_timer;
struct rtw_txsoft *tsb_desc;
uint8_t tsb_poll;
};
struct rtw_descs {
struct rtw_txdesc hd_txlo[RTW_NTXDESCLO];
struct rtw_txdesc hd_txmd[RTW_NTXDESCMD];
struct rtw_txdesc hd_txhi[RTW_NTXDESCMD];
struct rtw_rxdesc hd_rx[RTW_RXQLEN];
struct rtw_txdesc hd_bcn[RTW_NTXDESCBCN];
};
#define RTW_DESC_OFFSET(ring, i) offsetof(struct rtw_descs, ring[i])
#define RTW_RING_OFFSET(ring) RTW_DESC_OFFSET(ring, 0)
#define RTW_RING_BASE(sc, ring) ((sc)->sc_desc_physaddr + \
RTW_RING_OFFSET(ring))
/* Radio capture format for RTL8180. */
#define RTW_RX_RADIOTAP_PRESENT \
((1 << IEEE80211_RADIOTAP_TSFT) | \
(1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_RATE) | \
(1 << IEEE80211_RADIOTAP_CHANNEL) | \
(1 << IEEE80211_RADIOTAP_LOCK_QUALITY) | \
(1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) | \
0)
#define RTW_PHILIPS_RX_RADIOTAP_PRESENT \
((1 << IEEE80211_RADIOTAP_TSFT) | \
(1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_RATE) | \
(1 << IEEE80211_RADIOTAP_CHANNEL) | \
(1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) | \
0)
struct rtw_rx_radiotap_header {
struct ieee80211_radiotap_header rr_ihdr;
uint64_t rr_tsft;
uint8_t rr_flags;
uint8_t rr_rate;
uint16_t rr_chan_freq;
uint16_t rr_chan_flags;
union {
struct {
uint16_t o_barker_lock;
uint8_t o_antsignal;
} u_other;
struct {
uint8_t p_antsignal;
} u_philips;
} rr_u;
};
#define RTW_TX_RADIOTAP_PRESENT \
((1 << IEEE80211_RADIOTAP_RATE) | \
(1 << IEEE80211_RADIOTAP_CHANNEL) | \
0)
struct rtw_tx_radiotap_header {
struct ieee80211_radiotap_header rt_ihdr;
uint8_t rt_rate;
uint8_t rt_pad;
uint16_t rt_chan_freq;
uint16_t rt_chan_flags;
};
enum rtw_attach_state {FINISHED, FINISH_DESCMAP_LOAD, FINISH_DESCMAP_CREATE,
FINISH_DESC_MAP, FINISH_DESC_ALLOC, FINISH_RXMAPS_CREATE,
FINISH_TXMAPS_CREATE, FINISH_RESET, FINISH_READ_SROM, FINISH_PARSE_SROM,
FINISH_RF_ATTACH, FINISH_ID_STA, FINISH_LED_ATTACH,
FINISH_TXDESCBLK_SETUP, FINISH_TXCTLBLK_SETUP, DETACHED};
struct rtw_mtbl {
int (*mt_newstate)(struct ieee80211com *,
enum ieee80211_state, int);
void (*mt_recv_mgmt)(struct ieee80211com *,
struct mbuf *, struct ieee80211_node *,
int, int, uint32_t);
struct ieee80211_node *(*mt_node_alloc)(struct ieee80211_node_table*);
void (*mt_node_free)(struct ieee80211_node *);
};
enum rtw_pwrstate { RTW_OFF = 0, RTW_SLEEP, RTW_ON };
typedef void (*rtw_continuous_tx_cb_t)(void *arg, int);
struct rtw_phy {
struct rtw_rf *p_rf;
struct rtw_regs *p_regs;
};
struct rtw_bbpset {
u_int bb_antatten;
u_int bb_chestlim;
u_int bb_chsqlim;
u_int bb_ifagcdet;
u_int bb_ifagcini;
u_int bb_ifagclimit;
u_int bb_lnadet;
u_int bb_sys1;
u_int bb_sys2;
u_int bb_sys3;
u_int bb_trl;
u_int bb_txagc;
};
struct rtw_rf {
void (*rf_destroy)(struct rtw_rf *);
/* args: frequency, txpower, power state */
int (*rf_init)(struct rtw_rf *, u_int, uint8_t,
enum rtw_pwrstate);
/* arg: power state */
int (*rf_pwrstate)(struct rtw_rf *, enum rtw_pwrstate);
/* arg: frequency */
int (*rf_tune)(struct rtw_rf *, u_int);
/* arg: txpower */
int (*rf_txpower)(struct rtw_rf *, uint8_t);
rtw_continuous_tx_cb_t rf_continuous_tx_cb;
void *rf_continuous_tx_arg;
struct rtw_bbpset rf_bbpset;
};
static __inline void
rtw_rf_destroy(struct rtw_rf *rf)
{
(*rf->rf_destroy)(rf);
}
static __inline int
rtw_rf_init(struct rtw_rf *rf, u_int freq, uint8_t opaque_txpower,
enum rtw_pwrstate power)
{
return (*rf->rf_init)(rf, freq, opaque_txpower, power);
}
static __inline int
rtw_rf_pwrstate(struct rtw_rf *rf, enum rtw_pwrstate power)
{
return (*rf->rf_pwrstate)(rf, power);
}
static __inline int
rtw_rf_tune(struct rtw_rf *rf, u_int freq)
{
return (*rf->rf_tune)(rf, freq);
}
static __inline int
rtw_rf_txpower(struct rtw_rf *rf, uint8_t opaque_txpower)
{
return (*rf->rf_txpower)(rf, opaque_txpower);
}
typedef int (*rtw_rf_write_t)(struct rtw_regs *, enum rtw_rfchipid, u_int,
uint32_t);
struct rtw_rfbus {
struct rtw_regs *b_regs;
rtw_rf_write_t b_write;
};
static __inline int
rtw_rfbus_write(struct rtw_rfbus *bus, enum rtw_rfchipid rfchipid, u_int addr,
uint32_t val)
{
return (*bus->b_write)(bus->b_regs, rfchipid, addr, val);
}
struct rtw_max2820 {
struct rtw_rf mx_rf;
struct rtw_rfbus mx_bus;
int mx_is_a; /* 1: MAX2820A/MAX2821A */
};
struct rtw_grf5101 {
struct rtw_rf gr_rf;
struct rtw_rfbus gr_bus;
};
struct rtw_sa2400 {
struct rtw_rf sa_rf;
struct rtw_rfbus sa_bus;
int sa_digphy; /* 1: digital PHY */
};
typedef void (*rtw_pwrstate_t)(struct rtw_regs *, enum rtw_pwrstate, int, int);
union rtw_keys {
uint8_t rk_keys[4][16];
uint32_t rk_words[16];
};
#define RTW_LED_SLOW_TICKS MAX(1, hz/2)
#define RTW_LED_FAST_TICKS MAX(1, hz/10)
struct rtw_led_state {
#define RTW_LED0 0x1
#define RTW_LED1 0x2
uint8_t ls_slowblink:2;
uint8_t ls_actblink:2;
uint8_t ls_default:2;
uint8_t ls_state;
uint8_t ls_event;
#define RTW_LED_S_RX 0x1
#define RTW_LED_S_TX 0x2
#define RTW_LED_S_SLOW 0x4
struct callout ls_slow_ch;
struct callout ls_fast_ch;
};
struct rtw_softc {
device_t sc_dev;
device_suspensor_t sc_suspensor;
pmf_qual_t sc_qual;
struct ethercom sc_ec;
struct ieee80211com sc_ic;
struct rtw_regs sc_regs;
bus_dma_tag_t sc_dmat;
uint32_t sc_flags;
void *sc_soft_ih;
enum rtw_attach_state sc_attach_state;
enum rtw_rfchipid sc_rfchipid;
enum rtw_locale sc_locale;
uint8_t sc_phydelay;
/* s/w Tx/Rx descriptors */
struct rtw_txsoft_blk sc_txsoft_blk[RTW_NTXPRI];
struct rtw_txdesc_blk sc_txdesc_blk[RTW_NTXPRI];
struct rtw_rxsoft sc_rxsoft[RTW_RXQLEN];
struct rtw_rxdesc_blk sc_rxdesc_blk;
struct rtw_descs *sc_descs;
bus_dma_segment_t sc_desc_segs;
int sc_desc_nsegs;
bus_dmamap_t sc_desc_dmamap;
#define sc_desc_physaddr sc_desc_dmamap->dm_segs[0].ds_addr
struct rtw_srom sc_srom;
enum rtw_pwrstate sc_pwrstate;
rtw_pwrstate_t sc_pwrstate_cb;
struct rtw_rf *sc_rf;
uint16_t sc_inten;
/* interrupt acknowledge hook */
void (*sc_intr_ack)(struct rtw_regs *);
struct rtw_mtbl sc_mtbl;
struct bpf_if * sc_radiobpf;
struct callout sc_scan_ch;
u_int sc_cur_chan;
uint32_t sc_tsfth; /* most significant TSFT bits */
uint32_t sc_rcr; /* RTW_RCR */
uint8_t sc_csthr; /* carrier-sense threshold */
int sc_do_tick; /* indicate 1s ticks */
struct timeval sc_tick0; /* first tick */
uint8_t sc_rev; /* PCI/Cardbus revision */
uint32_t sc_anaparm; /* register RTW_ANAPARM */
union {
struct rtw_rx_radiotap_header tap;
uint8_t pad[64];
} sc_rxtapu;
union {
struct rtw_tx_radiotap_header tap;
uint8_t pad[64];
} sc_txtapu;
union rtw_keys sc_keys;
struct ifqueue sc_beaconq;
struct rtw_led_state sc_led_state;
int sc_hwverid;
};
#define sc_if sc_ec.ec_if
#define sc_rxtap sc_rxtapu.tap
#define sc_txtap sc_txtapu.tap
void rtw_txdac_enable(struct rtw_softc *, int);
void rtw_anaparm_enable(struct rtw_regs *, int);
void rtw_config0123_enable(struct rtw_regs *, int);
void rtw_continuous_tx_enable(struct rtw_softc *, int);
void rtw_set_access(struct rtw_regs *, enum rtw_access);
void rtw_attach(struct rtw_softc *);
int rtw_detach(struct rtw_softc *);
int rtw_intr(void *);
bool rtw_suspend(device_t, const pmf_qual_t *);
bool rtw_resume(device_t, const pmf_qual_t *);
int rtw_activate(device_t, enum devact);
const char *rtw_pwrstate_string(enum rtw_pwrstate);
#endif /* _DEV_IC_RTWVAR_H_ */
Reference in New Issue View Git Blame Copy Permalink