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Gerrit Renker 6fdd34d43b dccp ccid-2: Phase out the use of boolean Ack Vector sysctl ... This removes the use of the sysctl and the minisock variable for the Send Ack Vector feature, as it now is handled fully dynamically via feature negotiation (i.e. when CCID-2 is enabled, Ack Vectors are automatically enabled as per RFC 4341, 4.). Using a sysctl in parallel to this implementation would open the door to crashes, since much of the code relies on tests of the boolean minisock / sysctl variable. Thus, this patch replaces all tests of type if (dccp_msk(sk)->dccpms_send_ack_vector) /* ... */ with if (dp->dccps_hc_rx_ackvec != NULL) /* ... */ The dccps_hc_rx_ackvec is allocated by the dccp_hdlr_ackvec() when feature negotiation concluded that Ack Vectors are to be used on the half-connection. Otherwise, it is NULL (due to dccp_init_sock/dccp_create_openreq_child), so that the test is a valid one. The activation handler for Ack Vectors is called as soon as the feature negotiation has concluded at the * server when the Ack marking the transition RESPOND => OPEN arrives; * client after it has sent its ACK, marking the transition REQUEST => PARTOPEN. Adding the sequence number of the Response packet to the Ack Vector has been removed, since (a) connection establishment implies that the Response has been received; (b) the CCIDs only look at packets received in the (PART)OPEN state, i.e. this entry will always be ignored; (c) it can not be used for anything useful - to detect loss for instance, only packets received after the loss can serve as pseudo-dupacks. There was a FIXME to change the error code when dccp_ackvec_add() fails. I removed this after finding out that: * the check whether ackno < ISN is already made earlier, * this Response is likely the 1st packet with an Ackno that the client gets, * so when dccp_ackvec_add() fails, the reason is likely not a packet error. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Acked-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: David S. Miller <davem@davemloft.net>		16 years ago
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ABI	Add c2 port support	16 years ago
DocBook	WAN: syncppp.c is no longer used by any kernel code. Remove it.	16 years ago
PCI	Create/use more directory structure in the Documentation/ tree.	16 years ago
RCU	rcu: documents rculist_nulls	16 years ago
accounting	.gitignore updates	16 years ago
acpi	ACPI: update debug parameter documentation	16 years ago
aoe	…
arm	[ARM] 5323/1: Remove outdated empeg documentation.	16 years ago
auxdisplay	.gitignore updates	16 years ago
blackfin	Blackfin arch: add supporting for kgdb	17 years ago
block	Merge branch 'docs' of git://git.lwn.net/linux-2.6	16 years ago
blockdev	Create/use more directory structure in the Documentation/ tree.	16 years ago
cdrom	doc/cdrom: Trvial documentation error, file not present	17 years ago
cgroups	freezer_cg: disable writing freezer.state of root cgroup	16 years ago
connector	.gitignore updates	16 years ago
console	…
controllers	memcg: avoid accounting special pages	16 years ago
cpu-freq	[CPUFREQ] Documentation: Add Blackfin to list of supported processors	16 years ago
cpuidle	…
cris	fix random typos	16 years ago
crypto	…
development-process	Add the development process document	16 years ago
device-mapper	dm crypt: add documentation	17 years ago
driver-model	Driver core: Update some prototypes in platform.txt	17 years ago
dvb	V4L/DVB (7077): bt878: remove handcrafted PCI subsystem ID check	17 years ago
early-userspace	Documentation: Remove last references to BitKeeper.	17 years ago
fault-injection	…
fb	uvesafb: document mode to mode_option parameter change	16 years ago
filesystems	epoll: introduce resource usage limits	16 years ago
firmware_class	firmware: move firmware_class from Documentation/ to samples/	17 years ago
frv	…
hwmon	adt7462: new hwmon driver	16 years ago
i2c	i2c: The i2c mailing list is moving	16 years ago
i2o	…
ia64	.gitignore updates	16 years ago
ide	gayle: add "doubler" parameter	17 years ago
infiniband	…
input	Input: fix the example of an input device driver	16 years ago
ioctl	Create/use more directory structure in the Documentation/ tree.	16 years ago
isdn	Rationalise Randy's address a bit	16 years ago
ja_JP	HOWTO: Sync patch for jp_JP/HOWTO	16 years ago
kbuild	kconfig-language.txt: remove bogus hint	17 years ago
kdump	powerpc: Support for relocatable kdump kernel	16 years ago
ko_KR	…
laptops	Merge branch 'linus' into test	16 years ago
lguest	lguest: fix example launcher compile after moved asm-x86 dir.	16 years ago
m68k	…
make	…
mips	au1xxx-ide: fix MWDMA support	17 years ago
mn10300	…
mtd	[MTD] [NAND] nand_ecc.c: rewrite for improved performance	17 years ago
namespaces	…
netlabel	…
networking	dccp ccid-2: Phase out the use of boolean Ack Vector sysctl	16 years ago
parisc	…
pcmcia	.gitignore updates	16 years ago
power	pm: document use of RTC in pm_trace	16 years ago
powerpc	powerpc: Repair device bindings documentation	16 years ago
prctl	generic, x86: add tests for prctl PR_GET_TSC and PR_SET_TSC	17 years ago
s390	[S390] cio: Exorcise cio_msg= from documentation.	17 years ago
scheduler	sched: remove sched-design.txt from 00-INDEX	16 years ago
scsi	Rationalise Randy's address a bit	16 years ago
serial	Create/use more directory structure in the Documentation/ tree.	16 years ago
sh	sh: Kill off long-dead HD64465 cchip support.	16 years ago
sound	Merge branch 'topic/fix/hda' into for-linus	16 years ago
sparc	sparc: Remove Documentation/sparc/sbus_drivers.txt	17 years ago
spi	spi documentation: use __initdata on struct	16 years ago
sysctl	Document kernel taint flags properly	16 years ago
telephony	remove mention of CONFIG_KMOD from documentation	17 years ago
thermal	thermal: update the documentation	17 years ago
timers	hpet: /dev/hpet - fixes and cleanup	17 years ago
tracers	tracing, doc: update mmiotrace documentation	16 years ago
uml	…
usb	Merge branch 'master' into for-upstream	16 years ago
video4linux	V4L/DVB (9482): Documentation, especially regarding audio and informational links	16 years ago
vm	.gitignore updates	16 years ago
w1	hdq: documentation for OMAP HDQ	16 years ago
watchdog	.gitignore updates	16 years ago
x86	doc/x86: fix doc subdirs	16 years ago
zh_CN	…
00-INDEX	Merge branch 'doc-subdirs' of git://git.kernel.org/pub/scm/linux/kernel/git/rdunlap/linux-docs	16 years ago
BUG-HUNTING	…
Changes	…
CodingStyle	documentation: update CodingStyle tips for Emacs users	17 years ago
DMA-API.txt	DMA-API.txt: fix description of pci_map_sg/dma_map_sg scatterlists handling	16 years ago
DMA-ISA-LPC.txt	…
DMA-attributes.txt	powerpc/cell: Add DMA_ATTR_WEAK_ORDERING dma attribute and use in Cell IOMMU code	17 years ago
DMA-mapping.txt	Documentation/DMA-mapping.txt: update for pci_dma_mapping_error() changes	17 years ago
HOWTO	Remove Andrew Morton's http://www.zip.com.au/~akpm/	16 years ago
IO-mapping.txt	…
IPMI.txt	…
IRQ-affinity.txt	genirq: Expose default irq affinity mask (take 3)	17 years ago
IRQ.txt	…
Intel-IOMMU.txt	Documentation cleanup: trivial misspelling, punctuation, and grammar corrections.	17 years ago
Makefile	docsrc: build Documentation/ sources	17 years ago
ManagementStyle	docs: fix ManagementStyle book name	16 years ago
SAK.txt	Remove Andrew Morton's old email accounts	16 years ago
SELinux.txt	selinux: add support for installing a dummy policy (v2)	17 years ago
SM501.txt	…
SecurityBugs	…
Smack.txt	Smack: Simplified Mandatory Access Control Kernel	17 years ago
SubmitChecklist	documentation: explain memory barriers	16 years ago
SubmittingDrivers	Remove Andrew Morton's old email accounts	16 years ago
SubmittingPatches	Merge branch 'docs' of git://git.lwn.net/linux-2.6	16 years ago
VGA-softcursor.txt	…
applying-patches.txt	…
atomic_ops.txt	…
basic_profiling.txt	…
binfmt_misc.txt	…
braille-console.txt	Basic braille screen reader support	17 years ago
bt8xxgpio.txt	gpio: add bt8xxgpio driver	17 years ago
c2port.txt	Add c2 port support	16 years ago
cachetlb.txt	…
cpu-hotplug.txt	cpu hotplug: s390 doesn't support additional_cpus anymore.	17 years ago
cpu-load.txt	[PATCH] Documentation: CPU load calculation description	18 years ago
cpusets.txt	container freezer: document the cgroup freezer subsystem.	16 years ago
cputopology.txt	cpu topology: always define CPU topology information	17 years ago
dcdbas.txt	…
debugging-modules.txt	…
debugging-via-ohci1394.txt	…
dell_rbu.txt	…
devices.txt	USB: add USB test and measurement class driver	16 years ago
dontdiff	dontdiff: more updates to be closer to gitignore	16 years ago
edac.txt	Documentation cleanup: trivial misspelling, punctuation, and grammar corrections.	17 years ago
eisa.txt	…
email-clients.txt	Documentation/email-clients.txt: add some info about gmail	16 years ago
exception.txt	…
feature-removal-schedule.txt	Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6	16 years ago
ftrace.txt	ftrace: ftrace.txt version update	16 years ago
gpio.txt	gpiolib: request/free hooks	16 years ago
highuid.txt	[SPARC]: Remove SunOS and Solaris binary support.	17 years ago
hw_random.txt	…
ics932s401	ics932s401: new clock generator chip driver	16 years ago
initrd.txt	…
io-mapping.txt	io mapping: improve documentation	16 years ago
io_ordering.txt	…
iostats.txt	Documentation cleanup: trivial misspelling, punctuation, and grammar corrections.	17 years ago
irqflags-tracing.txt	…
isapnp.txt	…
java.txt	…
kernel-doc-nano-HOWTO.txt	sched: add kernel doc for the completion, fix kernel-doc-nano-HOWTO.txt	17 years ago
kernel-docs.txt	doc: update to URL and status of kernel-docs.txt entry	17 years ago
kernel-parameters.txt	Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	16 years ago
keys-request-key.txt	keys: allow the callout data to be passed as a blob rather than a string	17 years ago
keys.txt	Documentation cleanup: trivial misspelling, punctuation, and grammar corrections.	17 years ago
kobject.txt	kobject: Fix kobject_rename and !CONFIG_SYSFS	16 years ago
kprobes.txt	powerpc/booke: Add kprobes support for booke style processors	17 years ago
kref.txt	…
ldm.txt	…
leds-class.txt	Documentation cleanup: trivial misspelling, punctuation, and grammar corrections.	17 years ago
local_ops.txt	Documentation cleanup: trivial misspelling, punctuation, and grammar corrections.	17 years ago
lockdep-design.txt	…
lockstat.txt	…
logo.gif	…
logo.txt	…
magic-number.txt	[SPARC]: Remove SunOS and Solaris binary support.	17 years ago
markers.txt	markers: documentation fix for teardown	17 years ago
mca.txt	…
md.txt	md: Tidy up rdev_size_store a bit:	17 years ago
memory-barriers.txt	read_barrier_depends arch fixlets	17 years ago
memory-hotplug.txt	…
memory.txt	…
mono.txt	…
mutex-design.txt	…
nmi_watchdog.txt	x86: nmi_watchdog - documentation fix - v2	17 years ago
nommu-mmap.txt	…
numastat.txt	…
oops-tracing.txt	Taint kernel after WARN_ON(condition)	17 years ago
parport-lowlevel.txt	…
parport.txt	…
pi-futex.txt	…
pnp.txt	Documentation: Replace obsolete "driverfs" with "sysfs".	17 years ago
preempt-locking.txt	…
printk-formats.txt	DOC: add printk-formats.txt	16 years ago
prio_tree.txt	…
rbtree.txt	…
rfkill.txt	rfkill: add master_switch_mode and EPO lock to rfkill and rfkill-input	16 years ago
robust-futex-ABI.txt	…
robust-futexes.txt	…
rt-mutex-design.txt	…
rt-mutex.txt	…
rtc.txt	…
serial-console.txt	…
sgi-ioc4.txt	…
sgi-visws.txt	…
sparse.txt	kbuild: sparse needs CF not CHECKFLAGS	17 years ago
spinlocks.txt	…
stable_api_nonsense.txt	…
stable_kernel_rules.txt	Update stable tree documentation	16 years ago
svga.txt	…
sysfs-rules.txt	sysfs-rules.txt: reword API stability statement	17 years ago
sysrq.txt	Merge branch 'v28-timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	16 years ago
tracepoints.txt	tracing: tracepoints, documentation	17 years ago
unaligned-memory-access.txt	introduce HAVE_EFFICIENT_UNALIGNED_ACCESS Kconfig symbol	17 years ago
unicode.txt	…
unshare.txt	…
video-output.txt	…
volatile-considered-harmful.txt	Documentation cleanup: trivial misspelling, punctuation, and grammar corrections.	17 years ago
voyager.txt	…
zorro.txt	…