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for the WB195 combo NIC - an AR9285 w/ an AR3011 USB bluetooth NIC. The AR3011 is wired up using a 3-wire coexistence scheme to the AR9285. The code in if_ath_btcoex.c sets up the initial hardware mapping and coexistence configuration. There's nothing special about it - it's static; it doesn't try to configure bluetooth / MAC traffic priorities or try to figure out what's actually going on. It's enough to stop basic bluetooth traffic from causing traffic stalls and diassociation from the wireless network. To use this code, you must have the above NIC. No, it won't work for the AR9287+AR3012, nor the AR9485, AR9462 or AR955x combo cards. Then you set a kernel hint before boot or before kldload, where 'X' is the unit number of your AR9285 NIC: # kenv hint.ath.X.btcoex_profile=wb195 This will then appear in your boot messages: [100482] athX: Enabling WB195 BTCOEX This code is going to evolve pretty quickly (well, depending upon my spare time) so don't assume the btcoex API is going to stay stable. In order to use the bluetooth side, you must also load in firmware using ath3kfw and the binary firmware file (ath3k-1.fw in my case.) Tested: * AR9280, no interference * WB195 - AR9285 + AR3011 combo; STA mode; basic bluetooth inquiries were enough to cause traffic stalls and disassociations. This has stopped with the btcoex profile code. TODO: * Importantly - the AR9285 needs ASPM disabled if bluetooth coexistence is enabled. No, I don't know why. It's likely some kind of bug to do with the AR3011 sending bluetooth coexistence signals whilst the device is asleep. Since we don't actually sleep the MAC just yet, it shouldn't be a problem. That said, to be totally correct: + ASPM should be disabled - upon attach and wakeup + The PCIe powersave HAL code should never be called Look at what the ath9k driver does for inspiration. * Add WB197 (AR9287+AR3012) support * Add support for the AR9485, which is another combo like the AR9285 * The later NICs have a different signaling mechanism between the MAC and the bluetooth device; I haven't even begun to experiment with making that HAL code work. But it should be a lot more automatic. * The hardware can do much more interesting traffic weighting with bluetooth and wifi traffic. None of this is currently used. Ideally someone would code up something to watch the bluetooth traffic GPIO (via an interrupt) and then watch it go high/low; then figure out what the bluetooth traffic is and adjust things appropriately. * If I get the time I may add in some code to at least track this stuff and expose statistics. But it's up to someone else to experiment with the bluetooth coexistence support and add the interesting stuff (like "real" detection of bulk, audio, etc bluetooth traffic patterns and change wifi parameters appropriately - eg, maximum aggregate length, transmit power, using quiet time to control TX duty cycle, etc.)
169 lines
6.3 KiB
Makefile
169 lines
6.3 KiB
Makefile
#
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# Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer,
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# without modification.
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# 2. Redistributions in binary form must reproduce at minimum a disclaimer
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# similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
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# redistribution must be conditioned upon including a substantially
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# similar Disclaimer requirement for further binary redistribution.
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#
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# NO WARRANTY
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
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# AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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# THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
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# OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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# IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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# THE POSSIBILITY OF SUCH DAMAGES.
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#
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# $FreeBSD$
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#
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ATH_RATE?= sample # tx rate control algorithm
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.PATH: ${.CURDIR}/../../dev/ath
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.PATH: ${.CURDIR}/../../dev/ath/ath_hal
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KMOD= if_ath
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SRCS= if_ath.c if_ath_alq.c if_ath_debug.c if_ath_keycache.c if_ath_sysctl.c
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SRCS+= if_ath_tx.c if_ath_tx_ht.c if_ath_led.c if_ath_rx.c if_ath_tdma.c
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SRCS+= if_ath_beacon.c if_ath_rx_edma.c if_ath_tx_edma.c if_ath_spectral.c
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SRCS+= if_ath_btcoex.c
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# NB: v3 eeprom support used by both AR5211 and AR5212; just include it
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SRCS+= ah_osdep.c ah.c ah_regdomain.c ah_eeprom_v3.c
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SRCS+= device_if.h bus_if.h pci_if.h opt_inet.h opt_ath.h opt_ah.h opt_wlan.h
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#
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# AR5210 support; these are first generation 11a-only devices.
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#
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.PATH: ${.CURDIR}/../../dev/ath/ath_hal/ar5210
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SRCS+= ah_eeprom_v1.c \
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ar5210_attach.c ar5210_beacon.c ar5210_interrupts.c \
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ar5210_keycache.c ar5210_misc.c ar5210_phy.c ar5210_power.c \
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ar5210_recv.c ar5210_reset.c ar5210_xmit.c
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#
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# AR5211 support; these are second generation 11b/g/a devices
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# (but 11g was OFDM only and is not supported).
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#
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.PATH: ${.CURDIR}/../../dev/ath/ath_hal/ar5211
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SRCS+= ar5211_attach.c ar5211_beacon.c ar5211_interrupts.c \
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ar5211_keycache.c ar5211_misc.c ar5211_phy.c ar5211_power.c \
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ar5211_recv.c ar5211_reset.c ar5211_xmit.c
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#
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# AR5212 support; this covers all other pci/cardbus legacy parts.
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#
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.PATH: ${.CURDIR}/../../dev/ath/ath_hal/ar5212
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SRCS+= ar5212_ani.c ar5212_attach.c ar5212_beacon.c ar5212_eeprom.c \
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ar5212_gpio.c ar5212_interrupts.c ar5212_keycache.c ar5212_misc.c \
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ar5212_phy.c ar5212_power.c ar5212_recv.c ar5212_reset.c \
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ar5212_rfgain.c ar5212_xmit.c
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# RF backends
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SRCS+= ar5111.c
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SRCS+= ar5112.c
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SRCS+= ar2413.c
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SRCS+= ar2425.c
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SRCS+= ar5413.c
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#
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# AR5416, AR9130, AR9160, AR9220, AR9280, AR9285, AR9287 support.
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# Note enabling this support requires defining AH_SUPPORT_AR5416
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# in opt_ah.h so the 11n tx/rx descriptor format is handled.
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#
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# NB: 9160 depends on 5416 but 5416 does not require 9160
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#
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# + 5416 (Owl)
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.PATH: ${.CURDIR}/../../dev/ath/ath_hal/ar5416
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SRCS+= ah_eeprom_v14.c ah_eeprom_v4k.c \
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ar5416_ani.c ar5416_attach.c ar5416_beacon.c ar5416_btcoex.c \
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ar5416_cal.c ar5416_cal_iq.c ar5416_cal_adcgain.c ar5416_cal_adcdc.c \
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ar5416_eeprom.c ar5416_gpio.c ar5416_interrupts.c ar5416_keycache.c \
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ar5416_misc.c ar5416_phy.c ar5416_power.c ar5416_radar.c ar5416_spectral.c \
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ar5416_recv.c ar5416_reset.c ar5416_xmit.c
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# RF backend for 5416, 9130 and 9160
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SRCS+= ar2133.c
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# + AR9160 (Sowl)
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.PATH: ${.CURDIR}/../../dev/ath/ath_hal/ar9001
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SRCS+= ar9160_attach.c
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# + AR9130 - (Sowl) - Embedded (AR913x SoC)
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#
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# This requires AH_SUPPORT_AR9130 in order to function as some
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# register values have shifted for this chipset. Definig this however
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# (currently) breaks non-AR9130 chipsets - since this is an embedded
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# chipset and no other radios are glued to it, this shouldn't pose a
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# problem.
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SRCS+= ar9130_attach.c ar9130_eeprom.c ar9130_phy.c
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# AR9002 series chips
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# + AR9220/AR9280 - Merlin
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.PATH: ${.CURDIR}/../../dev/ath/ath_hal/ar9002
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SRCS+= ar9280.c ar9280_attach.c ar9280_olc.c
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# + AR9285 - Kite
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SRCS+= ar9285.c ar9285_reset.c ar9285_attach.c ar9285_cal.c ar9285_phy.c
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SRCS+= ar9285_diversity.c ar9285_btcoex.c
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# + AR9287 - Kiwi
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.PATH: ${.CURDIR}/../../dev/ath/ath_hal
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SRCS+= ah_eeprom_9287.c
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.PATH: ${.CURDIR}/../../dev/ath/ath_hal/ar9002
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SRCS+= ar9287.c ar9287_reset.c ar9287_attach.c ar9287_cal.c ar9287_olc.c
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# + AR9300 HAL
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.PATH: ${.CURDIR}/../../contrib/dev/ath/ath_hal/ar9300
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SRCS+= ar9300_interrupts.c ar9300_radar.c ar9300_ani.c ar9300_keycache.c
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SRCS+= ar9300_radio.c ar9300_xmit.c ar9300_attach.c ar9300_mci.c ar9300_stub.c
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SRCS+= ar9300_xmit_ds.c ar9300_beacon.c ar9300_misc.c ar9300_recv.c
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SRCS+= ar9300_stub_funcs.c ar9300_eeprom.c ar9300_paprd.c ar9300_recv_ds.c
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SRCS+= ar9300_freebsd.c ar9300_phy.c ar9300_reset.c ar9300_gpio.c
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SRCS+= ar9300_power.c ar9300_timer.c
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# NB: rate control is bound to the driver by symbol names so only pick one
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.if ${ATH_RATE} == "sample"
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.PATH: ${.CURDIR}/../../dev/ath/ath_rate/sample
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SRCS+= sample.c
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.elif ${ATH_RATE} == "onoe"
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.PATH: ${.CURDIR}/../../dev/ath/ath_rate/onoe
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SRCS+= onoe.c
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.elif ${ATH_RATE} == "amrr"
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.PATH: ${.CURDIR}/../../dev/ath/ath_rate/amrr
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SRCS+= amrr.c
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.endif
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# DFS
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.PATH: ${.CURDIR}/../../dev/ath/ath_dfs/null
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SRCS+= dfs_null.c
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CFLAGS+= -I. -I${.CURDIR}/../../dev/ath -I${.CURDIR}/../../dev/ath/ath_hal
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CFLAGS+= -I. -I${.CURDIR}/../../contrib/dev/ath/ath_hal/
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.if !defined(KERNBUILDDIR)
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opt_ah.h:
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echo '#define AH_SUPPORT_AR5416 1' > $@
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.endif
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.include <bsd.kmod.mk>
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CWARNFLAGS.ah_regdomain.c= ${NO_WSHIFT_COUNT_NEGATIVE} ${NO_WSHIFT_COUNT_OVERFLOW}
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# XXX Work around clang warnings, until maintainer approves fix.
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CWARNFLAGS.if_ath.c= ${NO_WSOMETIMES_UNINITIALIZED}
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CWARNFLAGS+= ${CWARNFLAGS.${.IMPSRC:T}}
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# AR9300 HAL build overrides, as there's still some code to tidy up
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CWARNFLAGS.ar9300_eeprom.c= ${NO_WCONSTANT_CONVERSION}
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CWARNFLAGS.ar9300_reset.c= ${NO_WSOMETIMES_UNINITIALIZED}
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