OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	05/09/2024 07:14:13 AM	rwxr-xr-x
📄 Kbuild	577 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 abi.h	853 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 addrspace.h	4.1 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 amon.h	409 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 arch_hweight.h	792 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 asm-eva.h	6.82 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 asm-offsets.h	35 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 asm-prototypes.h	197 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 asm.h	8.47 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 asmmacro-32.h	2.47 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 asmmacro-64.h	1.22 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 asmmacro.h	14.07 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 atomic.h	19.73 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 barrier.h	8.03 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 bcache.h	2.04 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 bitops.h	15.46 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 bitrev.h	608 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 bmips-spaces.h	268 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 bmips.h	3.45 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 bootinfo.h	5.08 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 branch.h	2.35 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 break.h	787 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 bug.h	759 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 bugs.h	944 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cache.h	546 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cacheflush.h	4.99 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cacheops.h	3.71 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cdmm.h	3.67 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cevt-r4k.h	823 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 checksum.h	6.43 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 clock.h	997 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 clocksource.h	884 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cmp.h	492 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cmpxchg.h	5.28 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 compat-signal.h	640 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 compat.h	6.66 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 compiler.h	2.96 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 cop2.h	1.77 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cpu-features.h	19.46 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 cpu-info.h	5.84 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 cpu-type.h	4.13 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 cpu.h	15.54 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 cpufeature.h	717 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 debug.h	654 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📁 dec	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 delay.h	841 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 device.h	347 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 div64.h	2.17 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 dma-coherence.h	813 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 dma-mapping.h	981 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 dma.h	9.92 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ds1287.h	1019 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 dsemul.h	3.24 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 dsp.h	1.91 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 edac.h	819 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 elf.h	15.04 KB	01/28/2018 09:20:33 PM	rw-r--r--
📁 emma	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 errno.h	429 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 eva.h	796 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 exec.h	579 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 extable.h	241 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 fb.h	372 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 fixmap.h	2.29 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 floppy.h	1.57 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 fpregdef.h	2.66 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 fpu.h	5.21 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 fpu_emulator.h	5.74 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ftrace.h	2.11 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 futex.h	4.87 KB	01/28/2018 09:20:33 PM	rw-r--r--
📁 fw	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 gio_device.h	1.5 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 gt64120.h	19.37 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hardirq.h	544 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 hazards.h	8.36 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 highmem.h	1.72 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hpet.h	1.93 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hugetlb.h	2.76 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 hw_irq.h	475 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 i8259.h	2.52 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ide.h	330 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 idle.h	689 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 inst.h	2.34 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 io.h	18.44 KB	06/16/2023 05:32:39 PM	rw-r--r--
📁 ip32	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 irq.h	2.26 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 irq_cpu.h	708 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 irq_gt641xx.h	2.69 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 irq_regs.h	744 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 irqflags.h	4.04 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 isa-rev.h	556 bytes	06/16/2023 05:32:39 PM	rw-r--r--
📄 isadep.h	603 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 jazz.h	8 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 jazzdma.h	2.97 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 jump_label.h	1.4 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kdebug.h	303 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 kexec.h	1.53 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kgdb.h	1.19 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kmap_types.h	221 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 kprobes.h	2.68 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kvm_host.h	37.88 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kvm_para.h	2.09 KB	01/28/2018 09:20:33 PM	rw-r--r--
📁 lasat	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 linkage.h	306 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 llsc.h	623 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 local.h	4.99 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 m48t37.h	732 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 maar.h	4.04 KB	01/28/2018 09:20:33 PM	rw-r--r--
📁 mach-ar7	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-ath25	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-ath79	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-au1x00	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-bcm47xx	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-bcm63xx	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-bmips	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-cavium-octeon	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-cobalt	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-db1x00	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-dec	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-emma2rh	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-generic	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-ip22	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-ip27	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-ip28	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-ip32	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-jazz	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-jz4740	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-lantiq	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-lasat	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-loongson32	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-loongson64	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-malta	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-netlogic	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-paravirt	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-pic32	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-pistachio	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-pmcs-msp71xx	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-pnx833x	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-ralink	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-rc32434	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-rm	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-sibyte	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-tx39xx	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-tx49xx	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-vr41xx	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-xilfpga	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 machine.h	2.93 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 mc146818-time.h	3.69 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mc146818rtc.h	450 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📁 mips-boards	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 mips-cm.h	15.86 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 mips-cpc.h	5.83 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mips-cps.h	6.55 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mips-gic.h	12.3 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 mips-r2-to-r6-emul.h	2.05 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mips_machine.h	1.32 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mips_mt.h	707 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 mipsmtregs.h	10.9 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mipsprom.h	2.1 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mipsregs.h	88.1 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 mmu.h	550 bytes	06/16/2023 05:32:39 PM	rw-r--r--
📄 mmu_context.h	5.41 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 mmzone.h	561 bytes	06/16/2023 05:32:39 PM	rw-r--r--
📄 module.h	4.45 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 msa.h	8.01 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 msc01_ic.h	6.55 KB	01/28/2018 09:20:33 PM	rw-r--r--
📁 netlogic	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 nile4.h	10.33 KB	01/28/2018 09:20:33 PM	rw-r--r--
📁 octeon	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 paccess.h	3.07 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 page.h	7.19 KB	01/28/2018 09:20:33 PM	rw-r--r--
📁 pci	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 pci.h	4.08 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 perf_event.h	482 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgalloc.h	3.21 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgtable-32.h	7.31 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 pgtable-64.h	10.87 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 pgtable-bits.h	7.36 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgtable.h	17.34 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pm-cps.h	1.68 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pm.h	3.99 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pmon.h	1.64 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 prefetch.h	2.1 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 processor.h	11.71 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 prom.h	845 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 ptrace.h	5.55 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 r4k-timer.h	604 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 r4kcache.h	26.34 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 reboot.h	440 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 reg.h	26 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 regdef.h	2.63 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 rtlx.h	2.1 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 seccomp.h	800 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 serial.h	607 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 setup.h	884 bytes	06/16/2023 05:32:39 PM	rw-r--r--
📁 sgi	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 sgialib.h	2.45 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 sgiarcs.h	15.32 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 shmparam.h	352 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📁 sibyte	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 sigcontext.h	1.04 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 signal.h	1.02 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 sim.h	2.32 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 smp-cps.h	1.18 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 smp-ops.h	2.33 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 smp.h	3.31 KB	06/16/2023 05:32:39 PM	rw-r--r--
📁 sn	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 sni.h	7.27 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 socket.h	1.34 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 sparsemem.h	486 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 spinlock.h	459 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 spinlock_types.h	188 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 spram.h	262 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 stackframe.h	10.82 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 stackprotector.h	1.15 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 stacktrace.h	2.15 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 string.h	2.94 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 switch_to.h	4.19 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 syscall.h	3.57 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 termios.h	2.89 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 thread_info.h	6.63 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 time.h	2.13 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 timex.h	2.87 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 tlb.h	1.09 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 tlbdebug.h	403 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 tlbex.h	788 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 tlbflush.h	1.67 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 tlbmisc.h	320 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 topology.h	619 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 traps.h	1.25 KB	01/28/2018 09:20:33 PM	rw-r--r--
📁 txx9	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 txx9irq.h	743 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 txx9pio.h	592 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 txx9tmr.h	1.59 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 types.h	487 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 uaccess.h	22.2 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 uasm.h	9.18 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 unistd.h	1.9 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 uprobes.h	1.11 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 vdso.h	3.72 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 vga.h	1.26 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 vpe.h	2.7 KB	01/28/2018 09:20:33 PM	rw-r--r--
📁 vr41xx	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 war.h	7.48 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 watch.h	827 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 wbflush.h	694 bytes	01/28/2018 09:20:33 PM	rw-r--r--
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Editing: checksum.h

/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 1995, 96, 97, 98, 99, 2001 by Ralf Baechle
 * Copyright (C) 1999 Silicon Graphics, Inc.
 * Copyright (C) 2001 Thiemo Seufer.
 * Copyright (C) 2002 Maciej W. Rozycki
 * Copyright (C) 2014 Imagination Technologies Ltd.
 */
#ifndef _ASM_CHECKSUM_H
#define _ASM_CHECKSUM_H

#ifdef CONFIG_GENERIC_CSUM
#include <asm-generic/checksum.h>
#else

#include <linux/in6.h>

#include <linux/uaccess.h>

/*
 * computes the checksum of a memory block at buff, length len,
 * and adds in "sum" (32-bit)
 *
 * returns a 32-bit number suitable for feeding into itself
 * or csum_tcpudp_magic
 *
 * this function must be called with even lengths, except
 * for the last fragment, which may be odd
 *
 * it's best to have buff aligned on a 32-bit boundary
 */
__wsum csum_partial(const void *buff, int len, __wsum sum);

__wsum __csum_partial_copy_kernel(const void *src, void *dst,
				  int len, __wsum sum, int *err_ptr);

__wsum __csum_partial_copy_from_user(const void *src, void *dst,
				     int len, __wsum sum, int *err_ptr);
__wsum __csum_partial_copy_to_user(const void *src, void *dst,
				   int len, __wsum sum, int *err_ptr);
/*
 * this is a new version of the above that records errors it finds in *errp,
 * but continues and zeros the rest of the buffer.
 */
static inline
__wsum csum_partial_copy_from_user(const void __user *src, void *dst, int len,
				   __wsum sum, int *err_ptr)
{
	might_fault();
	if (uaccess_kernel())
		return __csum_partial_copy_kernel((__force void *)src, dst,
						  len, sum, err_ptr);
	else
		return __csum_partial_copy_from_user((__force void *)src, dst,
						     len, sum, err_ptr);
}

#define _HAVE_ARCH_COPY_AND_CSUM_FROM_USER
static inline
__wsum csum_and_copy_from_user(const void __user *src, void *dst,
			       int len, __wsum sum, int *err_ptr)
{
	if (access_ok(VERIFY_READ, src, len))
		return csum_partial_copy_from_user(src, dst, len, sum,
						   err_ptr);
	if (len)
		*err_ptr = -EFAULT;

return sum;
}

/*
 * Copy and checksum to user
 */
#define HAVE_CSUM_COPY_USER
static inline
__wsum csum_and_copy_to_user(const void *src, void __user *dst, int len,
			     __wsum sum, int *err_ptr)
{
	might_fault();
	if (access_ok(VERIFY_WRITE, dst, len)) {
		if (uaccess_kernel())
			return __csum_partial_copy_kernel(src,
							  (__force void *)dst,
							  len, sum, err_ptr);
		else
			return __csum_partial_copy_to_user(src,
							   (__force void *)dst,
							   len, sum, err_ptr);
	}
	if (len)
		*err_ptr = -EFAULT;

return (__force __wsum)-1; /* invalid checksum */
}

/*
 * the same as csum_partial, but copies from user space (but on MIPS
 * we have just one address space, so this is identical to the above)
 */
__wsum csum_partial_copy_nocheck(const void *src, void *dst,
				       int len, __wsum sum);
#define csum_partial_copy_nocheck csum_partial_copy_nocheck

/*
 *	Fold a partial checksum without adding pseudo headers
 */
static inline __sum16 csum_fold(__wsum csum)
{
	u32 sum = (__force u32)csum;;

sum += (sum << 16);
	csum = (sum < csum);
	sum >>= 16;
	sum += csum;

return (__force __sum16)~sum;
}
#define csum_fold csum_fold

/*
 *	This is a version of ip_compute_csum() optimized for IP headers,
 *	which always checksum on 4 octet boundaries.
 *
 *	By Jorge Cwik <jorge@laser.satlink.net>, adapted for linux by
 *	Arnt Gulbrandsen.
 */
static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl)
{
	const unsigned int *word = iph;
	const unsigned int *stop = word + ihl;
	unsigned int csum;
	int carry;

csum = word[0];
	csum += word[1];
	carry = (csum < word[1]);
	csum += carry;

csum += word[2];
	carry = (csum < word[2]);
	csum += carry;

csum += word[3];
	carry = (csum < word[3]);
	csum += carry;

word += 4;
	do {
		csum += *word;
		carry = (csum < *word);
		csum += carry;
		word++;
	} while (word != stop);

return csum_fold(csum);
}
#define ip_fast_csum ip_fast_csum

static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
					__u32 len, __u8 proto,
					__wsum sum)
{
	__asm__(
	"	.set	push		# csum_tcpudp_nofold\n"
	"	.set	noat		\n"
#ifdef CONFIG_32BIT
	"	addu	%0, %2		\n"
	"	sltu	$1, %0, %2	\n"
	"	addu	%0, $1		\n"

"	addu	%0, %3		\n"
	"	sltu	$1, %0, %3	\n"
	"	addu	%0, $1		\n"

"	addu	%0, %4		\n"
	"	sltu	$1, %0, %4	\n"
	"	addu	%0, $1		\n"
#endif
#ifdef CONFIG_64BIT
	"	daddu	%0, %2		\n"
	"	daddu	%0, %3		\n"
	"	daddu	%0, %4		\n"
	"	dsll32	$1, %0, 0	\n"
	"	daddu	%0, $1		\n"
	"	sltu	$1, %0, $1	\n"
	"	dsra32	%0, %0, 0	\n"
	"	addu	%0, $1		\n"
#endif
	"	.set	pop"
	: "=r" (sum)
	: "0" ((__force unsigned long)daddr),
	  "r" ((__force unsigned long)saddr),
#ifdef __MIPSEL__
	  "r" ((proto + len) << 8),
#else
	  "r" (proto + len),
#endif
	  "r" ((__force unsigned long)sum));

return sum;
}
#define csum_tcpudp_nofold csum_tcpudp_nofold

/*
 * this routine is used for miscellaneous IP-like checksums, mainly
 * in icmp.c
 */
static inline __sum16 ip_compute_csum(const void *buff, int len)
{
	return csum_fold(csum_partial(buff, len, 0));
}

#define _HAVE_ARCH_IPV6_CSUM
static __inline__ __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
					  const struct in6_addr *daddr,
					  __u32 len, __u8 proto,
					  __wsum sum)
{
	__wsum tmp;

__asm__(
	"	.set	push		# csum_ipv6_magic\n"
	"	.set	noreorder	\n"
	"	.set	noat		\n"
	"	addu	%0, %5		# proto (long in network byte order)\n"
	"	sltu	$1, %0, %5	\n"
	"	addu	%0, $1		\n"

"	addu	%0, %6		# csum\n"
	"	sltu	$1, %0, %6	\n"
	"	lw	%1, 0(%2)	# four words source address\n"
	"	addu	%0, $1		\n"
	"	addu	%0, %1		\n"
	"	sltu	$1, %0, %1	\n"

"	lw	%1, 4(%2)	\n"
	"	addu	%0, $1		\n"
	"	addu	%0, %1		\n"
	"	sltu	$1, %0, %1	\n"

"	lw	%1, 8(%2)	\n"
	"	addu	%0, $1		\n"
	"	addu	%0, %1		\n"
	"	sltu	$1, %0, %1	\n"

"	lw	%1, 12(%2)	\n"
	"	addu	%0, $1		\n"
	"	addu	%0, %1		\n"
	"	sltu	$1, %0, %1	\n"

"	lw	%1, 0(%3)	\n"
	"	addu	%0, $1		\n"
	"	addu	%0, %1		\n"
	"	sltu	$1, %0, %1	\n"

"	lw	%1, 4(%3)	\n"
	"	addu	%0, $1		\n"
	"	addu	%0, %1		\n"
	"	sltu	$1, %0, %1	\n"

"	lw	%1, 8(%3)	\n"
	"	addu	%0, $1		\n"
	"	addu	%0, %1		\n"
	"	sltu	$1, %0, %1	\n"

"	lw	%1, 12(%3)	\n"
	"	addu	%0, $1		\n"
	"	addu	%0, %1		\n"
	"	sltu	$1, %0, %1	\n"

"	addu	%0, $1		# Add final carry\n"
	"	.set	pop"
	: "=&r" (sum), "=&r" (tmp)
	: "r" (saddr), "r" (daddr),
	  "0" (htonl(len)), "r" (htonl(proto)), "r" (sum));

return csum_fold(sum);
}

#include <asm-generic/checksum.h>
#endif /* CONFIG_GENERIC_CSUM */

#endif /* _ASM_CHECKSUM_H */