NetBSD/sys/dev/ic/wireg.h

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/* $NetBSD: wireg.h,v 1.53 2007/12/25 18:33:39 perry Exp $ */
/*
* Copyright (c) 1997, 1998, 1999
* Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``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 Bill Paul OR THE VOICES IN HIS HEAD
* 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.
*/
/*
* FreeBSD driver ported to NetBSD by Bill Sommerfeld in the back of the
* Oslo IETF plenary meeting.
*/
#define WI_DELAY 5
#define WI_TIMEOUT (500000/WI_DELAY) /* 500 ms */
#define WI_PORT0 (0 << 8)
#define WI_PORT1 (1 << 8)
#define WI_PORT2 (2 << 8)
#define WI_PORT3 (3 << 8)
#define WI_PORT4 (4 << 8)
#define WI_PORT5 (5 << 8)
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/*
* The WaveLAN/IEEE cards contain an 802.11 MAC controller which Lucent
* calls 'Hermes.' In typical fashion, getting documentation about this
* controller is about as easy as squeezing blood from a stone. Here
* is more or less what I know:
*
* - The Hermes controller is firmware driven, and the host interacts
* with the Hermes via a firmware interface, which can change.
*
* - The Hermes is described in a document called: "Hermes Firmware
* WaveLAN/IEEE Station Functions," document #010245, which of course
* Lucent will not release without an NDA.
*
* - Lucent has created a library called HCF (Hardware Control Functions)
* though which it wants developers to interact with the card. The HCF
* is needlessly complex, ill conceived and badly documented. Actually,
* the comments in the HCP code itself aren't bad, but the publically
* available manual that comes with it is awful, probably due largely to
* the fact that it has been emasculated in order to hide information
* that Lucent wants to keep proprietary. The purpose of the HCF seems
* to be to insulate the driver programmer from the Hermes itself so that
* Lucent has an excuse not to release programming in for it.
*
* - Lucent only makes available documentation and code for 'HCF Light'
* which is a stripped down version of HCF with certain features not
* implemented, most notably support for 802.11 frames.
*
* - The HCF code which I have seen blows goats. Whoever decided to
* use a 132 column format should be shot.
*
* Rather than actually use the Lucent HCF library, I have stripped all
* the useful information from it and used it to create a driver in the
* usual BSD form. Note: I don't want to hear anybody whining about the
* fact that the Lucent code is GPLed and mine isn't. I did not actually
* put any of Lucent's code in this driver: I only used it as a reference
* to obtain information about the underlying hardware. The Hermes
* programming interface is not GPLed, so bite me.
*/
/*
* Size of Hermes & Prism2 I/O space.
*/
#define WI_IOSIZE 0x40
/*
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* Hermes & Prism2 register definitions
*/
/* Hermes command/status registers. */
#define WI_COMMAND 0x00
#define WI_PARAM0 0x02
#define WI_PARAM1 0x04
#define WI_PARAM2 0x06
#define WI_STATUS 0x08
#define WI_RESP0 0x0A
#define WI_RESP1 0x0C
#define WI_RESP2 0x0E
/* Command register values. */
#define WI_CMD_BUSY 0x8000 /* busy bit */
#define WI_CMD_INI 0x0000 /* initialize */
#define WI_CMD_ENABLE 0x0001 /* enable */
#define WI_CMD_DISABLE 0x0002 /* disable */
#define WI_CMD_DIAG 0x0003
#define WI_CMD_ALLOC_MEM 0x000A /* allocate NIC memory */
#define WI_CMD_TX 0x000B /* transmit */
#define WI_CMD_NOTIFY 0x0010
#define WI_CMD_INQUIRE 0x0011
#define WI_CMD_ACCESS 0x0021
#define WI_CMD_PROGRAM 0x0022
#define WI_CMD_READEE 0x0030
#define WI_CMD_TEST 0x0038 /* PRISM2 test mode */
#define WI_CMD_CODE_MASK 0x003F
/*
* Reclaim qualifier bit, applicable to the
* TX and INQUIRE commands.
*/
#define WI_RECLAIM 0x0100 /* reclaim NIC memory */
/*
* ACCESS command qualifier bits.
*/
#define WI_ACCESS_READ 0x0000
#define WI_ACCESS_WRITE 0x0100
/*
* PROGRAM command qualifier bits.
*/
#define WI_PROGRAM_DISABLE 0x0000
#define WI_PROGRAM_ENABLE_RAM 0x0100
#define WI_PROGRAM_ENABLE_NVRAM 0x0200
#define WI_PROGRAM_NVRAM 0x0300
/*
* DEBUG mode options.
*/
#define WI_TEST_MONITOR 0x0B /* monitor mode for testing */
/* Status register values */
#define WI_STAT_CMD_CODE 0x003F
#define WI_STAT_DIAG_ERR 0x0100
#define WI_STAT_INQ_ERR 0x0500
#define WI_STAT_CMD_RESULT 0x7F00
/* memory handle management registers */
#define WI_INFO_FID 0x10
#define WI_RX_FID 0x20
#define WI_ALLOC_FID 0x22
#define WI_TX_CMP_FID 0x24
/*
* Buffer Access Path (BAP) registers.
* These are I/O channels. I believe you can use each one for
* any desired purpose independently of the other.
* Currently, we only use BAP0, and perhaps BAP1 can be used
* within interrupt context.
*/
#define WI_SEL0 0x18
#define WI_SEL1 0x1A
#define WI_OFF0 0x1C
#define WI_OFF1 0x1E
#define WI_DATA0 0x36
#define WI_DATA1 0x38
#define WI_OFF_BUSY 0x8000
#define WI_OFF_ERR 0x4000
#define WI_OFF_DATAOFF 0x0FFF
/* Event registers */
#define WI_EVENT_STAT 0x30 /* Event status */
#define WI_INT_EN 0x32 /* Interrupt enable/disable */
#define WI_EVENT_ACK 0x34 /* Ack event */
/* Events */
#define WI_EV_TICK 0x8000 /* aux timer tick */
#define WI_EV_RES 0x4000 /* controller h/w error (time out) */
#define WI_EV_INFO_DROP 0x2000 /* no RAM to build unsolicited frame */
#define WI_EV_NO_CARD 0x0800 /* card removed (hunh?) */
#define WI_EV_DUIF_RX 0x0400 /* wavelan management packet received */
#define WI_EV_INFO 0x0080 /* async info frame */
#define WI_EV_CMD 0x0010 /* command completed */
#define WI_EV_ALLOC 0x0008 /* async alloc/reclaim completed */
#define WI_EV_TX_EXC 0x0004 /* async xmit completed with failure */
#define WI_EV_TX 0x0002 /* async xmit completed successfully */
#define WI_EV_RX 0x0001 /* async rx completed */
/* Host software registers */
#define WI_SW0 0x28
#define WI_SW1 0x2A
#define WI_SW2 0x2C
#define WI_SW3 0x2E /* does not appear in Prism2 */
#define WI_CNTL 0x14
#define WI_CNTL_AUX_ENA 0xC000
#define WI_CNTL_AUX_ENA_STAT 0xC000
#define WI_CNTL_AUX_DIS_STAT 0x0000
#define WI_CNTL_AUX_ENA_CNTL 0x8000
#define WI_CNTL_AUX_DIS_CNTL 0x4000
#define WI_AUX_PAGE 0x3A
#define WI_AUX_OFFSET 0x3C
#define WI_AUX_DATA 0x3E
#define WI_AUX_PGSZ 128
#define WI_AUX_KEY0 0xfe01
#define WI_AUX_KEY1 0xdc23
#define WI_AUX_KEY2 0xba45
#define WI_COR 0x40 /* only for Symbol */
#define WI_COR_RESET 0x0080
#define WI_COR_IOMODE 0x0041
#define WI_HCR 0x42 /* only for Symbol */
#define WI_HCR_4WIRE 0x0010
#define WI_HCR_RUN 0x0007
#define WI_HCR_HOLD 0x000f
#define WI_HCR_EEHOLD 0x00ce
#define WI_TMD_COR 0x14 /* Prism COR (TMD) */
#define WI_TMD_IO 0x18 /* Prism I/O space (TMD) */
/*
* PCI Host Interface Registers (HFA3842 Specific)
* The value of all Register's Offset, such as WI_INFO_FID and WI_PARAM0,
* has doubled.
* About WI_PCI_COR: In this Register, only soft-reset bit implement; Bit(7).
*/
#define WI_PCI_COR 0x4C
#define WI_PCI_HCR 0x5C
#define WI_PCI_MASTER0_ADDRH 0x80
#define WI_PCI_MASTER0_ADDRL 0x84
#define WI_PCI_MASTER0_LEN 0x88
#define WI_PCI_MASTER0_CON 0x8C
#define WI_PCI_STATUS 0x98
#define WI_PCI_MASTER1_ADDRH 0xA0
#define WI_PCI_MASTER1_ADDRL 0xA4
#define WI_PCI_MASTER1_LEN 0xA8
#define WI_PCI_MASTER1_CON 0xAC
#define WI_COR_SOFT_RESET (1 << 7)
#define WI_COR_CLEAR 0x00
/*
* One form of communication with the Hermes is with what Lucent calls
* LTV records, where LTV stands for Length, Type and Value. The length
* and type are 16 bits and are in native byte order. The value is in
* multiples of 16 bits and is in little endian byte order.
*/
struct wi_lt_hdr {
u_int16_t wi_len;
u_int16_t wi_type;
/* value is vary depends on resource id */
};
/*
* Download buffer location and length (0xFD01).
*/
struct wi_dnld_buf {
u_int16_t wi_buf_pg; /* page addr of intermediate dl buf*/
u_int16_t wi_buf_off; /* offset of idb */
u_int16_t wi_buf_len; /* len of idb */
};
/*
* Mem sizes (0xFD02).
*/
struct wi_memsz {
u_int16_t wi_mem_ram;
u_int16_t wi_mem_nvram;
};
/*
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* NIC Identification (0xFD0B, 0xFD20)
*/
struct wi_ver {
u_int16_t wi_ver[4];
};
/* define card ident */
/* Lucent */
#define WI_NIC_LUCENT_ID 0x0001
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#define WI_NIC_LUCENT_STR "Lucent Technologies, WaveLAN/IEEE"
#define WI_NIC_SONY_ID 0x0002
#define WI_NIC_SONY_STR "Sony WaveLAN/IEEE"
#define WI_NIC_LUCENT_EMB_ID 0x0005
#define WI_NIC_LUCENT_EMB_STR "Lucent Embedded WaveLAN/IEEE"
/* Intersil */
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#define WI_NIC_EVB2_ID 0x8000
#define WI_NIC_EVB2_STR "RF:PRISM2 MAC:HFA3841"
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#define WI_NIC_HWB3763_ID 0x8001
#define WI_NIC_HWB3763_STR "RF:PRISM2 MAC:HFA3841 CARD:HWB3763 rev.B"
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#define WI_NIC_HWB3163_ID 0x8002
#define WI_NIC_HWB3163_STR "RF:PRISM2 MAC:HFA3841 CARD:HWB3163 rev.A"
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#define WI_NIC_HWB3163B_ID 0x8003
#define WI_NIC_HWB3163B_STR "RF:PRISM2 MAC:HFA3841 CARD:HWB3163 rev.B"
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#define WI_NIC_EVB3_ID 0x8004
#define WI_NIC_EVB3_STR "RF:PRISM2 MAC:HFA3842 CARD:HFA3842 EVAL"
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#define WI_NIC_HWB1153_ID 0x8007
#define WI_NIC_HWB1153_STR "RF:PRISM1 MAC:HFA3841 CARD:HWB1153"
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#define WI_NIC_P2_SST_ID 0x8008 /* Prism2 with SST flush */
#define WI_NIC_P2_SST_STR "RF:PRISM2 MAC:HFA3841 CARD:HWB3163-SST-flash"
#define WI_NIC_EVB2_SST_ID 0x8009
#define WI_NIC_EVB2_SST_STR "RF:PRISM2 MAC:HFA3841 CARD:HWB3163-SST-flash"
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#define WI_NIC_3842_EVA_ID 0x800A /* Prism2 3842 Evaluation Board */
#define WI_NIC_3842_EVA_STR "RF:PRISM2 MAC:HFA3842 CARD:HFA3842 EVAL"
#define WI_NIC_3842_PCMCIA_AMD_ID 0x800B /* Prism2.5 PCMCIA */
#define WI_NIC_3842_PCMCIA_SST_ID 0x800C
#define WI_NIC_3842_PCMCIA_ATM_ID 0x800D
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#define WI_NIC_3842_PCMCIA_STR "RF:PRISM2.5 MAC:ISL3873B(PCMCIA)"
#define WI_NIC_3842_MINI_AMD_ID 0x8012 /* Prism2.5 Mini-PCI */
#define WI_NIC_3842_MINI_SST_ID 0x8013
#define WI_NIC_3842_MINI_ATM_ID 0x8014
#define WI_NIC_3842_MINI_STR "RF:PRISM2.5 MAC:ISL3874A(Mini-PCI)"
#define WI_NIC_3842_PCI_AMD_ID 0x8016 /* Prism2.5 PCI-bridge */
#define WI_NIC_3842_PCI_SST_ID 0x8017
#define WI_NIC_3842_PCI_ATM_ID 0x8018
#define WI_NIC_3842_PCI_STR "RF:PRISM2.5 MAC:ISL3874A(PCI-bridge)"
#define WI_NIC_P3_PCMCIA_AMD_ID 0x801A /* Prism3 PCMCIA */
#define WI_NIC_P3_PCMCIA_SST_ID 0x801B
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#define WI_NIC_P3_PCMCIA_STR "RF:PRISM3 MAC:ISL3871(PCMCIA)"
#define WI_NIC_P3_MINI_AMD_ID 0x8021 /* Prism3 Mini-PCI */
#define WI_NIC_P3_MINI_SST_ID 0x8022
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#define WI_NIC_P3_MINI_STR "RF:PRISM3 MAC:ISL3871(Mini-PCI)"
/*
* List of intended regulatory domains (0xFD11).
*/
struct wi_domains {
u_int16_t wi_domains[6];
};
/*
* CIS struct (0xFD13).
*/
struct wi_cis {
u_int16_t wi_cis[240];
};
/*
* Communications quality (0xFD43).
*/
struct wi_commqual {
u_int16_t wi_coms_qual;
u_int16_t wi_sig_lvl;
u_int16_t wi_noise_lvl;
};
/*
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* Actual system scale thresholds (0xFC06, 0xFD46).
*/
struct wi_scalethresh {
u_int16_t wi_energy_detect;
u_int16_t wi_carrier_detect;
u_int16_t wi_defer;
u_int16_t wi_cell_search;
u_int16_t wi_out_of_range;
u_int16_t wi_delta_snr;
};
/*
* PCF info struct (0xFD87).
*/
struct wi_pcf {
u_int16_t wi_medium_occupancy_limit;
u_int16_t wi_cfp_period;
u_int16_t wi_cfp_max_duration;
};
/*
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* Connection control characteristics. (0xFC00)
* 0 == IBSS (802.11 compliant mode) (Only PRISM2)
* 1 == Basic Service Set (BSS)
* 2 == Wireless Distribution System (WDS)
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* 3 == Pseudo IBSS
* (Only PRISM2; not 802.11 compliant mode, testing use only)
* 6 == HOST AP (Only PRISM2)
*/
#define WI_PORTTYPE_IBSS 0x0
#define WI_PORTTYPE_BSS 0x1
#define WI_PORTTYPE_WDS 0x2
#define WI_PORTTYPE_ADHOC 0x3
#define WI_PORTTYPE_HOSTAP 0x6
/*
* Mac addresses. (0xFC01, 0xFC08, 0xFD42)
*/
struct wi_macaddr {
union {
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u_int16_t wi_mu_mac_addr_aligned[3];
u_int8_t wi_mu_mac_addr[6];
} mu;
};
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#define wi_mac_addr_aligned mu.wi_mu_mac_addr_aligned
#define wi_mac_addr mu.wi_mu_mac_addr
/*
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* Station set identification (SSID). (0xFC02, 0xFC04)
*/
struct wi_ssid {
u_int16_t wi_len;
u_int8_t wi_ssid[32];
};
/*
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* Set our station name. (0xFC0E)
*/
struct wi_nodename {
u_int16_t wi_nodelen;
u_int8_t wi_nodename[32];
};
/*
* Multicast addresses to be put in filter. We're
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* allowed up to 16 addresses in the filter. (0xFC80)
*/
struct wi_mcast {
struct ether_addr wi_mcast[16];
};
/*
* Join request. (0xFCE2)
*/
struct wi_joinreq {
struct ether_addr wi_bssid;
u_int16_t wi_chan;
};
/*
* Information frame types.
*/
#define WI_INFO_NOTIFY 0xF000 /* Handover address */
#define WI_INFO_COUNTERS 0xF100 /* Statistics counters */
#define WI_INFO_SCAN_RESULTS 0xF101 /* Scan results */
#define WI_INFO_HOST_SCAN_RESULTS 0xF104 /* Scan results */
#define WI_INFO_LINK_STAT 0xF200 /* Link status */
#define CONNECTED 1
#define DISCONNECTED 2
#define AP_CHANGE 3
#define AP_OUT_OF_RANGE 4
#define AP_IN_RANGE 5
#define ASSOC_FAILED 6
#define WI_INFO_ASSOC_STAT 0xF201 /* Association status */
struct wi_assoc {
u_int16_t wi_assoc_stat; /* Association Status */
#define ASSOC 1
#define REASSOC 2
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#define DISASSOC 3
#define ASSOCFAIL 4
#define AUTHFAIL 5
u_int8_t wi_assoc_sta[6]; /* Station Address */
u_int8_t wi_assoc_osta[6]; /* OLD Station Address */
u_int16_t wi_assoc_reason; /* Reason */
u_int16_t wi_assoc_reserve; /* Reserved */
};
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#define WI_INFO_AUTH_REQUEST 0xF202 /* Authentication Request (AP) */
#define WI_INFO_POWERSAVE_COUNT 0xF203 /* PowerSave User Count (AP) */
/*
* Scan Results of Prism2 chip
*/
#define MAXAPINFO 30
struct wi_scan_header {
u_int16_t wi_reserve; /* future use */
u_int16_t wi_reason; /* The reason this scan was initiated
1: Host initiated
2: Firmware initiated
3: Inquiry request from host */
};
struct wi_scan_data_p2 {
u_int16_t wi_chid; /* BSS Channel ID from Probe Res.(PR)*/
u_int16_t wi_noise; /* Average Noise Level of the PR */
u_int16_t wi_signal; /* Signal Level on the PR */
u_int8_t wi_bssid[6]; /* MACaddress of BSS responder from PR */
u_int16_t wi_interval; /* BSS beacon interval */
u_int16_t wi_capinfo; /* BSS Capability Information
IEEE Std 802.11(1997) ,see 7.3.1.4 */
u_int16_t wi_namelen; /* Length of SSID strings */
u_int8_t wi_name[32]; /* SSID strings */
u_int16_t wi_suprate[5]; /* Supported Rates element from the PR
IEEE Std 802.11(1997) ,see 7.3.2.2 */
u_int16_t wi_rate; /* Data rate of the PR */
#define WI_APRATE_1 0x0A /* 1 Mbps */
#define WI_APRATE_2 0x14 /* 2 Mbps */
#define WI_APRATE_5 0x37 /* 5.5 Mbps */
#define WI_APRATE_11 0x6E /* 11 Mbps */
};
/*
* Scan Results of Lucent chip
*/
struct wi_scan_data {
u_int16_t wi_chid; /* BSS Channel ID from PR */
u_int16_t wi_noise; /* Average Noise Level of the PR */
u_int16_t wi_signal; /* Signal Level on the PR */
u_int8_t wi_bssid[6]; /* MACaddress of BSS responder from PR */
u_int16_t wi_interval; /* BSS beacon interval */
u_int16_t wi_capinfo; /* BSS Capability Information
IEEE Std 802.11(1997) ,see 7.3.1.4 */
u_int16_t wi_namelen; /* Length of SSID strings */
u_int8_t wi_name[32]; /* SSID strings */
};
/*
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* transmit/receive frame structure
*/
struct wi_frame {
u_int16_t wi_status; /* 0x00 */
u_int16_t wi_rx_tstamp1; /* 0x02 */
u_int16_t wi_rx_tstamp0; /* 0x04 */
u_int8_t wi_rx_silence; /* 0x06 */
u_int8_t wi_rx_signal; /* 0x07 */
u_int8_t wi_rx_rate; /* 0x08 */
u_int8_t wi_rx_flow; /* 0x09 */
u_int8_t wi_tx_rtry; /* 0x0a */ /* Prism2 AP Only */
u_int8_t wi_tx_rate; /* 0x0b */ /* Prism2 AP Only */
u_int16_t wi_tx_ctl; /* 0x0c */
struct ieee80211_frame_addr4 wi_whdr; /* 0x0e */
u_int16_t wi_dat_len; /* 0x2c */
struct ether_header wi_ehdr; /* 0x2e */
} __packed;
Jumbo patch, from David Young <dyoung@ojctech.com>, with small tweaks by me: * Speed up reading/writing buffers from the hardware by avoiding slow forward seeks. In preparation to use the optimization, do not read overlapping bytes. This is currently disabled, but can be enabled with OPTIMIZE_RW_DATA. * Hand 802.11 and Prism-specific frames to BPF. User can watch these frames by specifying an alternate DLT to e.g. tcpdump(8). * Add support for SIOC[SG]80211BSSID and SIOC[SG]80211CHANNEL. * Issue join requests and track join/create state through link-status notifications. * Split wi_rxeof into separate routines for receiving Ethernet II, 802.11 data, and 802.11 management frames. * Bug fix: Account for aligning m_data to a word boundary in the Rx buffer size check. * Bug fix: Check for LLC/SNAP even if the firmware tells us the frame is Ethernet II, as the firmware sometimes gets this wrong. * Process as many events as possible when we get an interrupt, using a simple heuristic to avoid reprocessing an event (which can have bad side-effects). Clamp the time spent in the interrupt handler to 4ms. * Redo the timeout loops to be consistent and less prone to error. * Add delays to timeout loops which were missing them, so that a fast CPU won't win the race. * Borrow some timeout loop values from the linux-wlan-ng driver, which seems to reflect a high level of clue (due to direct support from Intersil). * Get rid of silly wi_read_data(..., len + 2) idiom; simply round up in wi_read_data() and wi_write_data(). Also, protect against a length of 0. * Name some frequently-used constants. Correct spelling. Other style nits. * Bug fix: On Prism, set Create IBSS register to 0 *always*. The meaning of Create IBSS == 1 is join an IBSS or *ESS*, and we do not want to join an ESS, because that would put us in an inconsistent state. 0 is the right value for Prism. * Bug fix: Clean up state at the top of wi_init(), in the event that we don't reach the bottom. * Simplify wi_start() by always providing an RFC1042-encoded 802.11 frame to the firmware. * Larval powersave support for HostAP mode, enabled by WI_HOSTAP_POWERSAVE. * Bug fix: Call wi_stop() from wi_shutdown(). * Bug fix: sync media options with HostAP mode in wi_sync_media(). * In wi_media_status(), inquire firmware for current media state if media == auto. From FreeBSD. * Clean up the way buffer lengths are computed by using pointer arithmetic rather than magic constants. * Swap the order of comparisons in addr_cmp() for speed. * Bug fix: Send ReAssoc Response instead of Assoc Response to a ReAssoc Request. * Bug fix: Copy SSID using the correct size. * Give more meaningful names to offsets in a wi_frame. * Bug fix: Assign the right values to the named constants for Rx frame encoding. * Get rid of useless SNAP constants.
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/* Software support fields are returned untouched by TxOK, TxExc events. */
#define wi_tx_swsup0 wi_rx_silence
#define wi_tx_swsup1 wi_rx_signal
#define wi_tx_swsup2 wi_rx_rate
#define wi_tx_idx wi_rx_flow
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/* Tx Status Field */
#define WI_TXSTAT_RET_ERR 0x0001
#define WI_TXSTAT_AGED_ERR 0x0002
#define WI_TXSTAT_DISCONNECT 0x0004
#define WI_TXSTAT_FORM_ERR 0x0008
/* Rx Status Field */
#define WI_STAT_BADCRC 0x0001
#define WI_STAT_UNDECRYPTABLE 0x0002
#define WI_STAT_ERRSTAT 0x0003
#define WI_STAT_MAC_PORT 0x0700
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#define WI_STAT_PCF 0x1000
#define WI_RXSTAT_MSG_TYPE 0xE000
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#define WI_STAT_1042 0x2000 /* RFC1042 encoded */
#define WI_STAT_TUNNEL 0x4000 /* Bridge-tunnel encoded */
#define WI_STAT_WMP_MSG 0x6000 /* WaveLAN-II management protocol */
#define WI_STAT_MGMT 0x8000 /* 802.11b management frames */
#define WI_ENC_TX_E_II 0x0E
#define WI_ENC_TX_1042 0x00
#define WI_ENC_TX_TUNNEL 0xF8
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/* TxControl Field (enhanced) */
#define WI_TXCNTL_TX_OK 0x0002
#define WI_TXCNTL_TX_EX 0x0004
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#define WI_TXCNTL_STRUCT_TYPE 0x0018
#define WI_ENC_TX_802_3 0x00
Jumbo patch, from David Young <dyoung@ojctech.com>, with small tweaks by me: * Speed up reading/writing buffers from the hardware by avoiding slow forward seeks. In preparation to use the optimization, do not read overlapping bytes. This is currently disabled, but can be enabled with OPTIMIZE_RW_DATA. * Hand 802.11 and Prism-specific frames to BPF. User can watch these frames by specifying an alternate DLT to e.g. tcpdump(8). * Add support for SIOC[SG]80211BSSID and SIOC[SG]80211CHANNEL. * Issue join requests and track join/create state through link-status notifications. * Split wi_rxeof into separate routines for receiving Ethernet II, 802.11 data, and 802.11 management frames. * Bug fix: Account for aligning m_data to a word boundary in the Rx buffer size check. * Bug fix: Check for LLC/SNAP even if the firmware tells us the frame is Ethernet II, as the firmware sometimes gets this wrong. * Process as many events as possible when we get an interrupt, using a simple heuristic to avoid reprocessing an event (which can have bad side-effects). Clamp the time spent in the interrupt handler to 4ms. * Redo the timeout loops to be consistent and less prone to error. * Add delays to timeout loops which were missing them, so that a fast CPU won't win the race. * Borrow some timeout loop values from the linux-wlan-ng driver, which seems to reflect a high level of clue (due to direct support from Intersil). * Get rid of silly wi_read_data(..., len + 2) idiom; simply round up in wi_read_data() and wi_write_data(). Also, protect against a length of 0. * Name some frequently-used constants. Correct spelling. Other style nits. * Bug fix: On Prism, set Create IBSS register to 0 *always*. The meaning of Create IBSS == 1 is join an IBSS or *ESS*, and we do not want to join an ESS, because that would put us in an inconsistent state. 0 is the right value for Prism. * Bug fix: Clean up state at the top of wi_init(), in the event that we don't reach the bottom. * Simplify wi_start() by always providing an RFC1042-encoded 802.11 frame to the firmware. * Larval powersave support for HostAP mode, enabled by WI_HOSTAP_POWERSAVE. * Bug fix: Call wi_stop() from wi_shutdown(). * Bug fix: sync media options with HostAP mode in wi_sync_media(). * In wi_media_status(), inquire firmware for current media state if media == auto. From FreeBSD. * Clean up the way buffer lengths are computed by using pointer arithmetic rather than magic constants. * Swap the order of comparisons in addr_cmp() for speed. * Bug fix: Send ReAssoc Response instead of Assoc Response to a ReAssoc Request. * Bug fix: Copy SSID using the correct size. * Give more meaningful names to offsets in a wi_frame. * Bug fix: Assign the right values to the named constants for Rx frame encoding. * Get rid of useless SNAP constants.
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#define WI_ENC_TX_802_11 0x08
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#define WI_TXCNTL_ALTRTRY 0x0020
#define WI_TXCNTL_NOCRYPT 0x0080
/* Limit on the number of AIDs handled in the PRISM2-based Host AP mode. */
#define WI_MAX_AID 256