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Patrick Ohly cb9eff0978 net: new user space API for time stamping of incoming and outgoing packets 
User space can request hardware and/or software time stamping.
Reporting of the result(s) via a new control message is enabled
separately for each field in the message because some of the
fields may require additional computation and thus cause overhead.
User space can tell the different kinds of time stamps apart
and choose what suits its needs.

When a TX timestamp operation is requested, the TX skb will be cloned
and the clone will be time stamped (in hardware or software) and added
to the socket error queue of the skb, if the skb has a socket
associated with it.

The actual TX timestamp will reach userspace as a RX timestamp on the
cloned packet. If timestamping is requested and no timestamping is
done in the device driver (potentially this may use hardware
timestamping), it will be done in software after the device's
start_hard_xmit routine.

Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-02-15 22:43:33 -08:00
..
.gitignore sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
adc.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
addrspace.h sh: P4 ioremap pass-through 2008-12-22 18:43:48 +09:00
atomic-grb.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
atomic-irq.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
atomic-llsc.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
atomic.h atomic_t: unify all arch definitions 2009-01-06 15:59:10 -08:00
auxvec.h sh: Make sure AT_SYSINFO_EHDR is exposed to userspace in asm/auxvec.h. 2008-07-29 23:12:25 +09:00
bitops-grb.h sh: Convert to generic bitops for IRQ-toggling implementation. 2008-12-22 18:42:53 +09:00
bitops-llsc.h sh: Convert to generic bitops for IRQ-toggling implementation. 2008-12-22 18:42:53 +09:00
bitops-op32.h sh: Provide optimized non-atomic bitops for SH-2A. 2008-12-22 18:42:54 +09:00
bitops.h sh: Provide optimized non-atomic bitops for SH-2A. 2008-12-22 18:42:54 +09:00
bug.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
bugs.h sh: Add support for SH7201 CPU subtype. 2008-12-22 18:43:50 +09:00
byteorder.h byteorder: make swab.h include asm/swab.h like a regular header 2009-01-14 19:56:50 -08:00
cache.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
cacheflush.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
checksum.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
checksum_32.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
checksum_64.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
clock.h sh: fixup many sparse errors. 2008-09-08 10:35:04 +09:00
cmpxchg-grb.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
cmpxchg-irq.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
cmpxchg-llsc.h sh: Provide movli.l/movco.l-based cmpxchg. 2008-09-08 10:35:02 +09:00
cpu-features.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
cputime.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
current.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
delay.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
device.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
div64.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
dma-mapping.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 2008-08-01 10:53:43 -07:00
dma.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
dmabrg.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
elf.h Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6 2008-12-28 12:33:21 -08:00
emergency-restart.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
entry-macros.S sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
errno.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
fb.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
fcntl.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
fixmap.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
flat.h sh: Provide a FLAT_PLAT_INIT() definition. 2008-08-11 20:17:55 +09:00
fpu.h sh: Add FPU registers to regset interface. 2008-09-21 19:04:55 +09:00
freq.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
ftrace.h sh: Provide a dyn_arch_ftrace struct definition. 2008-12-22 18:43:50 +09:00
futex-irq.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
futex.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
gpio.h sh: asm/gpio.h needs linux/kernel.h for might_sleep()/WARN_ON(). 2008-10-23 12:37:20 +09:00
hardirq.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
hd64461.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
heartbeat.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
hugetlb.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
hw_irq.h sh: Move the shared INTC code out to drivers/sh/ 2008-10-01 16:13:54 +09:00
i2c-sh7760.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
ilsel.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
io.h sh: P4 ioremap pass-through 2008-12-22 18:43:48 +09:00
io_generic.h sh: More I/O routine overhauling. 2008-10-04 05:25:52 +09:00
io_trapped.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
ioctl.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
ioctls.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
ipcbuf.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
irq.h sh: fixup many sparse errors. 2008-09-08 10:35:04 +09:00
irq_regs.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
irqflags.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
irqflags_32.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
irqflags_64.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
Kbuild byteorder: make swab.h include asm/swab.h like a regular header 2009-01-14 19:56:50 -08:00
kdebug.h sh: Wire up oops reporting in the die notifier chain. 2008-10-21 18:33:36 +09:00
kexec.h kexec jump: rename KEXEC_CONTROL_CODE_SIZE to KEXEC_CONTROL_PAGE_SIZE 2008-08-15 08:35:42 -07:00
kgdb.h sh: Generic kgdb stub support. 2008-12-22 18:44:04 +09:00
kmap_types.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
kprobes.h sh: kprobes: Use trapa #0x3a for breakpoint trap. 2008-09-08 18:10:10 +09:00
linkage.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
local.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
machvec.h sh: mach-edosk7705: Fix up edosk7705 so it all builds again. 2008-12-22 18:44:45 +09:00
mc146818rtc.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
mman.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
mmu.h NOMMU: Make VMAs per MM as for MMU-mode linux 2009-01-08 12:04:47 +00:00
mmu_context.h sh: Fix up the cpu_asid() return value on nommu. 2008-12-22 18:44:03 +09:00
mmu_context_32.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
mmu_context_64.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
mmzone.h sh: Fix up NUMA build error with se7722_defconfig. 2008-09-12 22:41:30 +09:00
module.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
msgbuf.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
mutex-llsc.h sh: Fix up T-bit error handling in SH-4A mutex fastpath. 2009-01-29 11:56:03 +09:00
mutex.h sh: Add SH-4A optimized fastpath mutex implementation. 2008-12-22 18:42:55 +09:00
page.h sh: ioremap_prot support. 2008-09-12 20:41:05 +09:00
param.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
parport.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
pci.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
percpu.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
pgalloc.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
pgtable.h sh: Handle fixmap TLB eviction more coherently. 2008-11-10 20:00:45 +09:00
pgtable_32.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
pgtable_64.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
poll.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
posix_types.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
posix_types_32.h asm-sh/posix_types_{32,64}.h: drop __GLIBC__/__USE_ALL usage 2009-01-21 17:41:21 +09:00
posix_types_64.h asm-sh/posix_types_{32,64}.h: drop __GLIBC__/__USE_ALL usage 2009-01-21 17:41:21 +09:00
processor.h sh: Add support for SH7201 CPU subtype. 2008-12-22 18:43:50 +09:00
processor_32.h sh: Conditionalize the code dumper on CONFIG_DUMP_CODE. 2008-12-22 18:44:47 +09:00
processor_64.h sh: Enable HAVE_ARCH_TRACEHOOK for all SH, now that SH-5 supports it too. 2008-12-22 18:44:04 +09:00
ptrace.h sh: Provide linux/regset.h interface for SH-5. 2008-12-22 18:44:04 +09:00
push-switch.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
resource.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
rtc.h sh: fixup many sparse errors. 2008-09-08 10:35:04 +09:00
rwsem.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
scatterlist.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
seccomp.h sh: seccomp support. 2008-08-02 04:39:32 +09:00
sections.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
segment.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
sembuf.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
serial.h sh: Kill off long-dead HD64465 cchip support. 2008-10-28 20:07:44 +09:00
setup.h sh: Fix up headers_check regression. 2008-09-17 23:24:59 +09:00
sfp-machine.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
sh7760fb.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
sh_bios.h sh: Kill off sh_bios_in_gdb_mode(). 2008-12-22 18:44:44 +09:00
sh_eth.h [netdrvr] sh_eth: Add SH7619 support 2008-08-07 02:20:57 -04:00
sh_keysc.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
shmbuf.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
shmparam.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
sigcontext.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
siginfo.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
signal.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
sizes.h sh: Add a few more definitions to asm/sizes.h. 2008-09-21 10:31:57 +09:00
smc37c93x.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
smp.h cpumask: convert struct clock_event_device to cpumask pointers. 2008-12-13 21:20:26 +10:30
socket.h net: new user space API for time stamping of incoming and outgoing packets 2009-02-15 22:43:33 -08:00
sockios.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
sparsemem.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
spi.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
spinlock.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
spinlock_types.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
stat.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
statfs.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
string.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
string_32.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
string_64.h sh: Add SH-5 optimized memcpy()/memset()/strcpy()/strlen(). 2008-12-22 18:44:05 +09:00
swab.h sh: introduce asm/swab.h 2009-01-06 18:10:27 -08:00
syscall.h sh: Provide the asm/syscall.h interface, needed by tracehook. 2008-09-12 22:13:13 +09:00
syscall_32.h sh: Fix up spurious syscall restarting. 2009-01-29 11:56:03 +09:00
syscall_64.h sh: Fix up spurious syscall restarting. 2009-01-29 11:56:03 +09:00
syscalls.h sh: fixup many sparse errors. 2008-09-08 10:35:04 +09:00
syscalls_32.h [CVE-2009-0029] Remove __attribute__((weak)) from sys_pipe/sys_pipe2 2009-01-14 14:15:15 +01:00
syscalls_64.h sh: fixup many sparse errors. 2008-09-08 10:35:04 +09:00
system.h sh: Generic kgdb stub support. 2008-12-22 18:44:04 +09:00
system_32.h sh: Move lookup_exception_vector() out to asm/system_32.h. 2008-09-21 12:00:23 +09:00
system_64.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
termbits.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
termios.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
thread_info.h sh: Support kernel stacks smaller than a page. 2008-09-20 20:21:33 +09:00
timer.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
timex.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
tlb.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
tlb_64.h sh: Fix up broken kerneldoc comments. 2008-08-04 12:51:06 +09:00
tlbflush.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
topology.h Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumask into merge-rr-cpumask 2009-01-03 18:53:31 +01:00
types.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
uaccess.h sh: Proper __put_user_asm() size mismatch fix. 2008-07-29 09:16:33 +09:00
uaccess_32.h sh: Proper __put_user_asm() size mismatch fix. 2008-07-29 09:16:33 +09:00
uaccess_64.h sh: sh_ksyms_64 needs __strncpy_from_user() definition. 2008-09-29 19:45:16 +09:00
ubc.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
ucontext.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
unaligned-sh4a.h sh: Provide optimized unaligned loads on SH-4A. 2008-12-22 18:43:48 +09:00
unaligned.h sh: Provide optimized unaligned loads on SH-4A. 2008-12-22 18:43:48 +09:00
unistd.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
unistd_32.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
unistd_64.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
user.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
vga.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
watchdog.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00
xor.h sh: migrate to arch/sh/include/ 2008-07-29 08:09:44 +09:00