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* GENERAL - Update copyright. - Make kernel options for RANDOM_YARROW and RANDOM_DUMMY. Set neither to ON, which means we want Fortuna - If there is no 'device random' in the kernel, there will be NO random(4) device in the kernel, and the KERN_ARND sysctl will return nothing. With RANDOM_DUMMY there will be a random(4) that always blocks. - Repair kern.arandom (KERN_ARND sysctl). The old version went through arc4random(9) and was a bit weird. - Adjust arc4random stirring a bit - the existing code looks a little suspect. - Fix the nasty pre- and post-read overloading by providing explictit functions to do these tasks. - Redo read_random(9) so as to duplicate random(4)'s read internals. This makes it a first-class citizen rather than a hack. - Move stuff out of locked regions when it does not need to be there. - Trim RANDOM_DEBUG printfs. Some are excess to requirement, some behind boot verbose. - Use SYSINIT to sequence the startup. - Fix init/deinit sysctl stuff. - Make relevant sysctls also tunables. - Add different harvesting "styles" to allow for different requirements (direct, queue, fast). - Add harvesting of FFS atime events. This needs to be checked for weighing down the FS code. - Add harvesting of slab allocator events. This needs to be checked for weighing down the allocator code. - Fix the random(9) manpage. - Loadable modules are not present for now. These will be re-engineered when the dust settles. - Use macros for locks. - Fix comments. * src/share/man/... - Update the man pages. * src/etc/... - The startup/shutdown work is done in D2924. * src/UPDATING - Add UPDATING announcement. * src/sys/dev/random/build.sh - Add copyright. - Add libz for unit tests. * src/sys/dev/random/dummy.c - Remove; no longer needed. Functionality incorporated into randomdev.*. * live_entropy_sources.c live_entropy_sources.h - Remove; content moved. - move content to randomdev.[ch] and optimise. * src/sys/dev/random/random_adaptors.c src/sys/dev/random/random_adaptors.h - Remove; plugability is no longer used. Compile-time algorithm selection is the way to go. * src/sys/dev/random/random_harvestq.c src/sys/dev/random/random_harvestq.h - Add early (re)boot-time randomness caching. * src/sys/dev/random/randomdev_soft.c src/sys/dev/random/randomdev_soft.h - Remove; no longer needed. * src/sys/dev/random/uint128.h - Provide a fake uint128_t; if a real one ever arrived, we can use that instead. All that is needed here is N=0, N++, N==0, and some localised trickery is used to manufacture a 128-bit 0ULLL. * src/sys/dev/random/unit_test.c src/sys/dev/random/unit_test.h - Improve unit tests; previously the testing human needed clairvoyance; now the test will do a basic check of compressibility. Clairvoyant talent is still a good idea. - This is still a long way off a proper unit test. * src/sys/dev/random/fortuna.c src/sys/dev/random/fortuna.h - Improve messy union to just uint128_t. - Remove unneeded 'static struct fortuna_start_cache'. - Tighten up up arithmetic. - Provide a method to allow eternal junk to be introduced; harden it against blatant by compress/hashing. - Assert that locks are held correctly. - Fix the nasty pre- and post-read overloading by providing explictit functions to do these tasks. - Turn into self-sufficient module (no longer requires randomdev_soft.[ch]) * src/sys/dev/random/yarrow.c src/sys/dev/random/yarrow.h - Improve messy union to just uint128_t. - Remove unneeded 'staic struct start_cache'. - Tighten up up arithmetic. - Provide a method to allow eternal junk to be introduced; harden it against blatant by compress/hashing. - Assert that locks are held correctly. - Fix the nasty pre- and post-read overloading by providing explictit functions to do these tasks. - Turn into self-sufficient module (no longer requires randomdev_soft.[ch]) - Fix some magic numbers elsewhere used as FAST and SLOW. Differential Revision: https://reviews.freebsd.org/D2025 Reviewed by: vsevolod,delphij,rwatson,trasz,jmg Approved by: so (delphij)
131 lines
3.4 KiB
Plaintext
131 lines
3.4 KiB
Plaintext
#
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# AR91XX -- Kernel configuration base file for the Atheros AR913x SoC.
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#
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# This file (and the hints file accompanying it) are not designed to be
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# used by themselves. Instead, users of this file should create a kernel
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# config file which includes this file (which gets the basic hints), then
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# override the default options (adding devices as needed) and adding
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# hints as needed (for example, the GPIO and LAN PHY.)
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#
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# $FreeBSD$
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#
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machine mips mips
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ident AR934X_BASE
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cpu CPU_MIPS74KC
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makeoptions KERNLOADADDR=0x80050000
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options HZ=1000
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files "../atheros/files.ar71xx"
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hints "AR934X_BASE.hints"
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makeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols
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makeoptions MODULES_OVERRIDE="gpio ar71xx if_gif if_gre if_vlan if_bridge bridgestp usb wlan wlan_xauth wlan_acl wlan_wep wlan_tkip wlan_ccmp wlan_rssadapt wlan_amrr ath ath_ahb hwpmc ipfw ipfw_nat libalias"
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# makeoptions MODULES_OVERRIDE=""
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options DDB
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options KDB
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options ALQ
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options SCHED_4BSD #4BSD scheduler
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options INET #InterNETworking
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#options INET6 #InterNETworking
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#options NFSCL #Network Filesystem Client
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options PSEUDOFS #Pseudo-filesystem framework
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options _KPOSIX_PRIORITY_SCHEDULING #Posix P1003_1B real-time extensions
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# Don't include the SCSI/CAM strings in the default build
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options SCSI_NO_SENSE_STRINGS
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options SCSI_NO_OP_STRINGS
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# .. And no sysctl strings
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options NO_SYSCTL_DESCR
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# Limit IO size
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options NBUF=128
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# Limit UMTX hash size
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# options UMTX_NUM_CHAINS=64
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# PMC
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#options HWPMC_HOOKS
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#device hwpmc
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#device hwpmc_mips24k
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# options NFS_LEGACYRPC
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# Debugging for use in -current
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#options INVARIANTS
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#options INVARIANT_SUPPORT
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#options WITNESS
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#options WITNESS_SKIPSPIN
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options FFS #Berkeley Fast Filesystem
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#options SOFTUPDATES #Enable FFS soft updates support
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#options UFS_ACL #Support for access control lists
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#options UFS_DIRHASH #Improve performance on big directories
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options NO_FFS_SNAPSHOT # We don't require snapshot support
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# Wireless NIC cards
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options IEEE80211_DEBUG
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options IEEE80211_SUPPORT_MESH
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options IEEE80211_SUPPORT_TDMA
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options IEEE80211_SUPPORT_SUPERG
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options IEEE80211_ALQ # 802.11 ALQ logging support
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device wlan # 802.11 support
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device wlan_wep # 802.11 WEP support
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device wlan_ccmp # 802.11 CCMP support
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device wlan_tkip # 802.11 TKIP support
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device wlan_xauth # 802.11 hostap support
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# ath(4)
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device ath # Atheros network device
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device ath_rate_sample
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device ath_ahb # Atheros host bus glue
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options ATH_DEBUG
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options ATH_DIAGAPI
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option ATH_ENABLE_11N
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option AH_DEBUG_ALQ
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#device ath_hal
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device ath_ar9300 # AR9330 HAL; no need for the others
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option AH_DEBUG
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option AH_SUPPORT_AR5416 # 11n HAL support
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option AH_SUPPORT_AR9340 # Chipset support
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option AH_DEBUG_ALQ
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option AH_AR5416_INTERRUPT_MITIGATION
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device mii
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device arge
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device usb
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options USB_EHCI_BIG_ENDIAN_DESC # handle big-endian byte order
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options USB_DEBUG
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options USB_HOST_ALIGN=32 # AR71XX (MIPS in general?) requires this
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device ehci
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device pci
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device ar724x_pci
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device scbus
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device umass
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device da
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device spibus
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device ar71xx_spi
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device mx25l
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device ar71xx_wdog
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device uart
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device uart_ar71xx
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# XXX for now; later a separate APB mux is needed to demux PCI/WLAN interrupts.
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device ar71xx_apb
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device loop
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device ether
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device md
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device bpf
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device random
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device if_bridge
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device gpio
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device gpioled
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