freebsd-skq/sys/mips/conf/QCA953X_BASE
jtl 62030781cd In the TCP stack, the hhook(9) framework provides hooks for kernel modules
to add actions that run when a TCP frame is sent or received on a TCP
session in the ESTABLISHED state. In the base tree, this functionality is
only used for the h_ertt module, which is used by the cc_cdg, cc_chd, cc_hd,
and cc_vegas congestion control modules.

Presently, we incur overhead to check for hooks each time a TCP frame is
sent or received on an ESTABLISHED TCP session.

This change adds a new compile-time option (TCP_HHOOK) to determine whether
to include the hhook(9) framework for TCP. To retain backwards
compatibility, I added the TCP_HHOOK option to every configuration file that
already defined "options INET". (Therefore, this patch introduces no
functional change. In order to see a functional difference, you need to
compile a custom kernel without the TCP_HHOOK option.) This change will
allow users to easily exclude this functionality from their kernel, should
they wish to do so.

Note that any users who use a custom kernel configuration and use one of the
congestion control modules listed above will need to add the TCP_HHOOK
option to their kernel configuration.

Reviewed by:	rrs, lstewart, hiren (previous version), sjg (makefiles only)
Sponsored by:	Netflix
Differential Revision:	https://reviews.freebsd.org/D8185
2016-10-12 02:16:42 +00:00

140 lines
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#
# QCA953x -- Kernel configuration base file for the Qualcomm Atheros QCA953x SoC.
#
# This file (and the hints file accompanying it) are not designed to be
# used by themselves. Instead, users of this file should create a kernel
# config file which includes this file (which gets the basic hints), then
# override the default options (adding devices as needed) and adding
# hints as needed (for example, the GPIO and LAN PHY.)
#
# $FreeBSD$
#
machine mips mips
ident QCA953X_BASE
cpu CPU_MIPS24K
makeoptions KERNLOADADDR=0x80050000
options HZ=1000
files "../atheros/files.ar71xx"
hints "QCA953X_BASE.hints"
makeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols
makeoptions MODULES_OVERRIDE="gpio ar71xx if_gif if_vlan if_gre if_bridge bridgestp usb wlan wlan_xauth wlan_acl wlan_wep wlan_tkip wlan_ccmp wlan_rssadapt wlan_amrr hwpmc ipfw"
options DDB
options KDB
options ALQ
options BREAK_TO_DEBUGGER
options ALT_BREAK_TO_DEBUGGER
options SCHED_4BSD #4BSD scheduler
options INET #InterNETworking
#options INET6 #InterNETworking
options TCP_HHOOK # hhook(9) framework for TCP
#options NFSCL #Network Filesystem Client
options PSEUDOFS #Pseudo-filesystem framework
options _KPOSIX_PRIORITY_SCHEDULING #Posix P1003_1B real-time extensions
# Don't include the SCSI/CAM strings in the default build
options SCSI_NO_SENSE_STRINGS
options SCSI_NO_OP_STRINGS
# .. And no sysctl strings
options NO_SYSCTL_DESCR
# For small memory footprints
options VM_KMEM_SIZE_SCALE=1
# Limit IO size
options NBUF=128
# Limit UMTX hash size
# options UMTX_NUM_CHAINS=64
#options UMA_DEBUG_ALLOC
# PMC
options HWPMC_HOOKS
#options HWPMC_MIPS_BACKTRACE
device hwpmc
device hwpmc_mips24k
options ARGE_DEBUG
# options NFS_LEGACYRPC
# Debugging for use in -current
options INVARIANTS
options INVARIANT_SUPPORT
options WITNESS
options WITNESS_SKIPSPIN
options FFS #Berkeley Fast Filesystem
#options SOFTUPDATES #Enable FFS soft updates support
#options UFS_ACL #Support for access control lists
#options UFS_DIRHASH #Improve performance on big directories
options NO_FFS_SNAPSHOT # We don't require snapshot support
options IPFIREWALL_DEFAULT_TO_ACCEPT
# Wireless NIC cards
options IEEE80211_DEBUG
options IEEE80211_SUPPORT_MESH
options IEEE80211_SUPPORT_TDMA
options IEEE80211_SUPPORT_SUPERG
options IEEE80211_ALQ # 802.11 ALQ logging support
device wlan # 802.11 support
device wlan_wep # 802.11 WEP support
device wlan_ccmp # 802.11 CCMP support
device wlan_tkip # 802.11 TKIP support
device wlan_xauth # 802.11 hostap support
# ath(4)
device ath # Atheros network device
device ath_rate_sample
device ath_ahb # Atheros host bus glue
options ATH_DEBUG
options ATH_DIAGAPI
option ATH_ENABLE_11N
option AH_DEBUG_ALQ
#device ath_hal
device ath_ar9300 # AR9330 HAL; no need for the others
option AH_DEBUG
option AH_SUPPORT_AR5416 # 11n HAL support
option AH_SUPPORT_QCA9530 # Chipset support
option AH_AR5416_INTERRUPT_MITIGATION
device mii
device arge
device usb
options USB_EHCI_BIG_ENDIAN_DESC # handle big-endian byte order
options USB_DEBUG
options USB_HOST_ALIGN=32 # AR71XX (MIPS in general?) requires this
device ehci
device scbus
device umass
device da
device spibus
device ar71xx_spi
device mx25l
device ar71xx_wdog
# Handle 25MHz refclock by allowing a higher baudrate error tolerance.
device uart
device uart_ar71xx
options UART_DEV_TOLERANCE_PCT=50
device ar71xx_apb
device loop
device ether
device md
device bpf
device random
device if_bridge
device gpio
device gpioled