342 lines
12 KiB
C
342 lines
12 KiB
C
/*
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* Copyright (c) 2010 Broadcom Corporation
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _BRCM_PUB_H_
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#define _BRCM_PUB_H_
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#include <linux/bcma/bcma.h>
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#include <brcmu_wifi.h>
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#include "types.h"
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#include "defs.h"
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#define BRCMS_NUMRATES 16 /* max # of rates in a rateset */
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/* phy types */
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#define PHY_TYPE_A 0 /* Phy type A */
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#define PHY_TYPE_G 2 /* Phy type G */
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#define PHY_TYPE_N 4 /* Phy type N */
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#define PHY_TYPE_LP 5 /* Phy type Low Power A/B/G */
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#define PHY_TYPE_SSN 6 /* Phy type Single Stream N */
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#define PHY_TYPE_LCN 8 /* Phy type Single Stream N */
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#define PHY_TYPE_LCNXN 9 /* Phy type 2-stream N */
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#define PHY_TYPE_HT 7 /* Phy type 3-Stream N */
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/* bw */
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#define BRCMS_10_MHZ 10 /* 10Mhz nphy channel bandwidth */
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#define BRCMS_20_MHZ 20 /* 20Mhz nphy channel bandwidth */
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#define BRCMS_40_MHZ 40 /* 40Mhz nphy channel bandwidth */
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#define BRCMS_RSSI_MINVAL -200 /* Low value, e.g. for forcing roam */
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#define BRCMS_RSSI_NO_SIGNAL -91 /* NDIS RSSI link quality cutoffs */
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#define BRCMS_RSSI_VERY_LOW -80 /* Very low quality cutoffs */
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#define BRCMS_RSSI_LOW -70 /* Low quality cutoffs */
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#define BRCMS_RSSI_GOOD -68 /* Good quality cutoffs */
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#define BRCMS_RSSI_VERY_GOOD -58 /* Very good quality cutoffs */
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#define BRCMS_RSSI_EXCELLENT -57 /* Excellent quality cutoffs */
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/* a large TX Power as an init value to factor out of min() calculations,
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* keep low enough to fit in an s8, units are .25 dBm
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*/
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#define BRCMS_TXPWR_MAX (127) /* ~32 dBm = 1,500 mW */
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/* rate related definitions */
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#define BRCMS_RATE_FLAG 0x80 /* Flag to indicate it is a basic rate */
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#define BRCMS_RATE_MASK 0x7f /* Rate value mask w/o basic rate flag */
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/* legacy rx Antenna diversity for SISO rates */
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#define ANT_RX_DIV_FORCE_0 0 /* Use antenna 0 */
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#define ANT_RX_DIV_FORCE_1 1 /* Use antenna 1 */
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#define ANT_RX_DIV_START_1 2 /* Choose starting with 1 */
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#define ANT_RX_DIV_START_0 3 /* Choose starting with 0 */
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#define ANT_RX_DIV_ENABLE 3 /* APHY bbConfig Enable RX Diversity */
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/* default antdiv setting */
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#define ANT_RX_DIV_DEF ANT_RX_DIV_START_0
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/* legacy rx Antenna diversity for SISO rates */
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/* Tx on antenna 0, "legacy term Main" */
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#define ANT_TX_FORCE_0 0
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/* Tx on antenna 1, "legacy term Aux" */
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#define ANT_TX_FORCE_1 1
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/* Tx on phy's last good Rx antenna */
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#define ANT_TX_LAST_RX 3
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/* driver's default tx antenna setting */
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#define ANT_TX_DEF 3
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/* Tx Chain values */
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/* def bitmap of txchain */
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#define TXCHAIN_DEF 0x1
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/* default bitmap of tx chains for nphy */
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#define TXCHAIN_DEF_NPHY 0x3
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/* default bitmap of tx chains for nphy */
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#define TXCHAIN_DEF_HTPHY 0x7
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/* def bitmap of rxchain */
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#define RXCHAIN_DEF 0x1
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/* default bitmap of rx chains for nphy */
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#define RXCHAIN_DEF_NPHY 0x3
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/* default bitmap of rx chains for nphy */
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#define RXCHAIN_DEF_HTPHY 0x7
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/* no antenna switch */
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#define ANTSWITCH_NONE 0
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/* antenna switch on 4321CB2, 2of3 */
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#define ANTSWITCH_TYPE_1 1
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/* antenna switch on 4321MPCI, 2of3 */
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#define ANTSWITCH_TYPE_2 2
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/* antenna switch on 4322, 2of3 */
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#define ANTSWITCH_TYPE_3 3
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#define RXBUFSZ PKTBUFSZ
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#define MAX_STREAMS_SUPPORTED 4 /* max number of streams supported */
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struct brcm_rateset {
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/* # rates in this set */
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u32 count;
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/* rates in 500kbps units w/hi bit set if basic */
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u8 rates[WL_NUMRATES];
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};
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struct brcms_c_rateset {
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uint count; /* number of rates in rates[] */
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/* rates in 500kbps units w/hi bit set if basic */
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u8 rates[BRCMS_NUMRATES];
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u8 htphy_membership; /* HT PHY Membership */
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u8 mcs[MCSSET_LEN]; /* supported mcs index bit map */
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};
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/* All the HT-specific default advertised capabilities (including AMPDU)
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* should be grouped here at one place
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*/
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#define AMPDU_DEF_MPDU_DENSITY 6 /* default mpdu density (110 ==> 4us) */
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/* wlc internal bss_info */
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struct brcms_bss_info {
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u8 BSSID[ETH_ALEN]; /* network BSSID */
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u16 flags; /* flags for internal attributes */
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u8 SSID_len; /* the length of SSID */
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u8 SSID[32]; /* SSID string */
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s16 RSSI; /* receive signal strength (in dBm) */
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s16 SNR; /* receive signal SNR in dB */
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u16 beacon_period; /* units are Kusec */
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u16 chanspec; /* Channel num, bw, ctrl_sb and band */
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struct brcms_c_rateset rateset; /* supported rates */
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};
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#define MAC80211_PROMISC_BCNS (1 << 0)
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#define MAC80211_SCAN (1 << 1)
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/*
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* Public portion of common driver state structure.
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* The wlc handle points at this.
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*/
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struct brcms_pub {
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struct brcms_c_info *wlc;
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struct ieee80211_hw *ieee_hw;
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struct scb_ampdu *global_ampdu;
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uint mac80211_state;
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uint unit; /* device instance number */
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uint corerev; /* core revision */
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struct si_pub *sih; /* SI handle (cookie for siutils calls) */
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bool up; /* interface up and running */
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bool hw_off; /* HW is off */
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bool hw_up; /* one time hw up/down */
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bool _piomode; /* true if pio mode */
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uint _nbands; /* # bands supported */
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uint now; /* # elapsed seconds */
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bool delayed_down; /* down delayed */
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bool associated; /* true:part of [I]BSS, false: not */
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/* (union of stas_associated, aps_associated) */
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bool _ampdu; /* ampdu enabled or not */
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u8 _n_enab; /* bitmap of 11N + HT support */
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u8 cur_etheraddr[ETH_ALEN]; /* our local ethernet address */
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u32 radio_disabled; /* bit vector for radio disabled reasons */
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u16 boardrev; /* version # of particular board */
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u8 sromrev; /* version # of the srom */
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char srom_ccode[BRCM_CNTRY_BUF_SZ]; /* Country Code in SROM */
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u32 boardflags; /* Board specific flags from srom */
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u32 boardflags2; /* More board flags if sromrev >= 4 */
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bool phy_11ncapable; /* the PHY/HW is capable of 802.11N */
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struct wl_cnt *_cnt; /* low-level counters in driver */
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struct dentry *dbgfs_dir;
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};
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enum wlc_par_id {
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IOV_MPC = 1,
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IOV_RTSTHRESH,
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IOV_QTXPOWER,
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IOV_BCN_LI_BCN /* Beacon listen interval in # of beacons */
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};
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/***********************************************
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* Feature-related macros to optimize out code *
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* *********************************************
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*/
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#define ENAB_1x1 0x01
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#define ENAB_2x2 0x02
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#define ENAB_3x3 0x04
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#define ENAB_4x4 0x08
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#define SUPPORT_11N (ENAB_1x1|ENAB_2x2)
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#define SUPPORT_HT (ENAB_1x1|ENAB_2x2|ENAB_3x3)
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/* WL11N Support */
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#define AMPDU_AGG_HOST 1
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/* network protection config */
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#define BRCMS_PROT_G_SPEC 1 /* SPEC g protection */
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#define BRCMS_PROT_G_OVR 2 /* SPEC g prot override */
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#define BRCMS_PROT_G_USER 3 /* gmode specified by user */
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#define BRCMS_PROT_OVERLAP 4 /* overlap */
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#define BRCMS_PROT_N_USER 10 /* nmode specified by user */
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#define BRCMS_PROT_N_CFG 11 /* n protection */
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#define BRCMS_PROT_N_CFG_OVR 12 /* n protection override */
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#define BRCMS_PROT_N_NONGF 13 /* non-GF protection */
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#define BRCMS_PROT_N_NONGF_OVR 14 /* non-GF protection override */
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#define BRCMS_PROT_N_PAM_OVR 15 /* n preamble override */
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#define BRCMS_PROT_N_OBSS 16 /* non-HT OBSS present */
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/*
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* 54g modes (basic bits may still be overridden)
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*
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* GMODE_LEGACY_B
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* Rateset: 1b, 2b, 5.5, 11
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* Preamble: Long
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* Shortslot: Off
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* GMODE_AUTO
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* Rateset: 1b, 2b, 5.5b, 11b, 18, 24, 36, 54
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* Extended Rateset: 6, 9, 12, 48
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* Preamble: Long
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* Shortslot: Auto
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* GMODE_ONLY
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* Rateset: 1b, 2b, 5.5b, 11b, 18, 24b, 36, 54
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* Extended Rateset: 6b, 9, 12b, 48
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* Preamble: Short required
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* Shortslot: Auto
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* GMODE_B_DEFERRED
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* Rateset: 1b, 2b, 5.5b, 11b, 18, 24, 36, 54
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* Extended Rateset: 6, 9, 12, 48
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* Preamble: Long
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* Shortslot: On
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* GMODE_PERFORMANCE
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* Rateset: 1b, 2b, 5.5b, 6b, 9, 11b, 12b, 18, 24b, 36, 48, 54
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* Preamble: Short required
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* Shortslot: On and required
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* GMODE_LRS
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* Rateset: 1b, 2b, 5.5b, 11b
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* Extended Rateset: 6, 9, 12, 18, 24, 36, 48, 54
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* Preamble: Long
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* Shortslot: Auto
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*/
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#define GMODE_LEGACY_B 0
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#define GMODE_AUTO 1
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#define GMODE_ONLY 2
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#define GMODE_B_DEFERRED 3
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#define GMODE_PERFORMANCE 4
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#define GMODE_LRS 5
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#define GMODE_MAX 6
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/* MCS values greater than this enable multiple streams */
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#define HIGHEST_SINGLE_STREAM_MCS 7
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#define MAXBANDS 2 /* Maximum #of bands */
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/* max number of antenna configurations */
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#define ANT_SELCFG_MAX 4
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struct brcms_antselcfg {
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u8 ant_config[ANT_SELCFG_MAX]; /* antenna configuration */
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u8 num_antcfg; /* number of available antenna configurations */
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};
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/* common functions for every port */
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struct brcms_c_info *brcms_c_attach(struct brcms_info *wl,
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struct bcma_device *core, uint unit,
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bool piomode, uint *perr);
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uint brcms_c_detach(struct brcms_c_info *wlc);
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int brcms_c_up(struct brcms_c_info *wlc);
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uint brcms_c_down(struct brcms_c_info *wlc);
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bool brcms_c_chipmatch(struct bcma_device *core);
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void brcms_c_init(struct brcms_c_info *wlc, bool mute_tx);
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void brcms_c_reset(struct brcms_c_info *wlc);
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void brcms_c_intrson(struct brcms_c_info *wlc);
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u32 brcms_c_intrsoff(struct brcms_c_info *wlc);
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void brcms_c_intrsrestore(struct brcms_c_info *wlc, u32 macintmask);
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bool brcms_c_intrsupd(struct brcms_c_info *wlc);
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bool brcms_c_isr(struct brcms_c_info *wlc);
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bool brcms_c_dpc(struct brcms_c_info *wlc, bool bounded);
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bool brcms_c_sendpkt_mac80211(struct brcms_c_info *wlc, struct sk_buff *sdu,
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struct ieee80211_hw *hw);
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bool brcms_c_aggregatable(struct brcms_c_info *wlc, u8 tid);
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void brcms_c_protection_upd(struct brcms_c_info *wlc, uint idx, int val);
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int brcms_c_get_header_len(void);
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void brcms_c_set_addrmatch(struct brcms_c_info *wlc, int match_reg_offset,
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const u8 *addr);
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void brcms_c_wme_setparams(struct brcms_c_info *wlc, u16 aci,
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const struct ieee80211_tx_queue_params *arg,
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bool suspend);
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struct brcms_pub *brcms_c_pub(struct brcms_c_info *wlc);
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void brcms_c_ampdu_flush(struct brcms_c_info *wlc, struct ieee80211_sta *sta,
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u16 tid);
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void brcms_c_ampdu_tx_operational(struct brcms_c_info *wlc, u8 tid,
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u8 ba_wsize, uint max_rx_ampdu_bytes);
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int brcms_c_module_register(struct brcms_pub *pub, const char *name,
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struct brcms_info *hdl,
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int (*down_fn)(void *handle));
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int brcms_c_module_unregister(struct brcms_pub *pub, const char *name,
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struct brcms_info *hdl);
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void brcms_c_suspend_mac_and_wait(struct brcms_c_info *wlc);
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void brcms_c_enable_mac(struct brcms_c_info *wlc);
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void brcms_c_associate_upd(struct brcms_c_info *wlc, bool state);
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void brcms_c_scan_start(struct brcms_c_info *wlc);
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void brcms_c_scan_stop(struct brcms_c_info *wlc);
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int brcms_c_get_curband(struct brcms_c_info *wlc);
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int brcms_c_set_channel(struct brcms_c_info *wlc, u16 channel);
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int brcms_c_set_rate_limit(struct brcms_c_info *wlc, u16 srl, u16 lrl);
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void brcms_c_get_current_rateset(struct brcms_c_info *wlc,
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struct brcm_rateset *currs);
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int brcms_c_set_rateset(struct brcms_c_info *wlc, struct brcm_rateset *rs);
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int brcms_c_set_beacon_period(struct brcms_c_info *wlc, u16 period);
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u16 brcms_c_get_phy_type(struct brcms_c_info *wlc, int phyidx);
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void brcms_c_set_shortslot_override(struct brcms_c_info *wlc,
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s8 sslot_override);
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void brcms_c_set_beacon_listen_interval(struct brcms_c_info *wlc, u8 interval);
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u64 brcms_c_tsf_get(struct brcms_c_info *wlc);
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void brcms_c_tsf_set(struct brcms_c_info *wlc, u64 tsf);
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int brcms_c_set_tx_power(struct brcms_c_info *wlc, int txpwr);
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int brcms_c_get_tx_power(struct brcms_c_info *wlc);
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bool brcms_c_check_radio_disabled(struct brcms_c_info *wlc);
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void brcms_c_mute(struct brcms_c_info *wlc, bool on);
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bool brcms_c_tx_flush_completed(struct brcms_c_info *wlc);
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void brcms_c_start_station(struct brcms_c_info *wlc, u8 *addr);
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void brcms_c_start_ap(struct brcms_c_info *wlc, u8 *addr, const u8 *bssid,
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u8 *ssid, size_t ssid_len);
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void brcms_c_start_adhoc(struct brcms_c_info *wlc, u8 *addr);
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void brcms_c_update_beacon(struct brcms_c_info *wlc);
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void brcms_c_set_new_beacon(struct brcms_c_info *wlc, struct sk_buff *beacon,
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u16 tim_offset, u16 dtim_period);
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void brcms_c_set_new_probe_resp(struct brcms_c_info *wlc,
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struct sk_buff *probe_resp);
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void brcms_c_enable_probe_resp(struct brcms_c_info *wlc, bool enable);
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void brcms_c_set_ssid(struct brcms_c_info *wlc, u8 *ssid, size_t ssid_len);
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#endif /* _BRCM_PUB_H_ */
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