index : litmus-rt.git	archive/unc-master-3.0 archived-2013.1 archived-private-master archived-semi-part demo ecrts-pgm-final ecrts14-pgm-final gpusync-rtss12 gpusync/staging linux-tip litmus2008-patch-series master pgm prop/litmus-signals prop/robust-tie-break staging test tracing-devel v2.6.34-with-arm-patches v2015.1 wip-2011.2-bbb wip-2011.2-bbb-trace wip-2012.3-gpu wip-2012.3-gpu-preport wip-2012.3-gpu-rtss13 wip-2012.3-gpu-sobliv-budget-w-kshark wip-aedzl-final wip-aedzl-revised wip-arbit-deadline wip-aux-tasks wip-bbb wip-bbb-prio-don wip-better-break wip-binary-heap wip-budget wip-color wip-color-jlh wip-d10-hz1000 wip-default-clustering wip-dissipation-jerickso wip-dissipation2-jerickso wip-ecrts14-pgm wip-edf-hsb wip-edf-os wip-edf-tie-break wip-edzl-critique wip-edzl-final wip-edzl-revised wip-events wip-extra-debug wip-fix-switch-jerickso wip-fix3 wip-fmlp-dequeue wip-ft-irq-flag wip-gpu-cleanup wip-gpu-interrupts wip-gpu-rtas12 wip-gpu-rtss12 wip-gpu-rtss12-srp wip-gpusync-merge wip-ikglp wip-k-fmlp wip-kernel-coloring wip-kernthreads wip-klmirqd-to-aux wip-kshark wip-litmus-3.2 wip-litmus2011.2 wip-litmus3.0-2011.2 wip-master-2.6.33-rt wip-mc wip-mc-bipasa wip-mc-jerickso wip-mc2-cache-slack wip-mcrit-mac wip-merge-3.0 wip-merge-v3.0 wip-migration-affinity wip-mmap-uncache wip-modechange wip-nested-locking wip-omlp-gedf wip-pai wip-percore-lib wip-performance wip-pgm wip-pgm-split wip-pm-ovd wip-prio-inh wip-prioq-dgl wip-refactored-gedf wip-release-master-fix wip-robust-tie-break wip-rt-kshark wip-rtas12-pgm wip-semi-part wip-semi-part-edfos-jerickso wip-shared-lib wip-shared-lib2 wip-shared-mem wip-splitting-jerickso wip-splitting-omlp-jerickso wip-stage-binheap wip-sun-port wip-timer-trace wip-tracepoints
	The LITMUS^RT kernel.	Bjoern Brandenburg

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Branch	Commit message	Author	Age
archive/unc-master-3.0	P-FP: fix BUG_ON releated to priority inheritance	Bjoern Brandenburg	13 years
archived-2013.1	uncachedev: mmap memory that is not cached by CPUs	Glenn Elliott	12 years
archived-private-master	Merge branch 'wip-2.6.34' into old-private-master	Andrea Bastoni	15 years
archived-semi-part	Merge branch 'wip-semi-part' of ssh://cvs/cvs/proj/litmus/repo/litmus2010 int...	Andrea Bastoni	15 years
demo	Further refinements	Jonathan Herman	14 years
ecrts-pgm-final	Merge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...	Glenn Elliott	12 years
ecrts14-pgm-final	Merge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...	Glenn Elliott	12 years
gpusync-rtss12	Final GPUSync implementation.	Glenn Elliott	12 years
gpusync/staging	Rename IKGLP R2DGLP.	Glenn Elliott	12 years
linux-tip	Merge branch 'slab/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/p...	Linus Torvalds	15 years
litmus2008-patch-series	add i386 feather-trace implementation	Bjoern B. Brandenburg	16 years
master	PSN-EDF: use inferred_sporadic_job_release_at	Bjoern Brandenburg	9 years
pgm	make it compile	Glenn Elliott	12 years
prop/litmus-signals	Infrastructure for Litmus signals.	Glenn Elliott	13 years
prop/robust-tie-break	Fixed bug in edf_higher_prio().	Glenn Elliott	13 years
staging	Fix tracepoint compilation error	Felipe Cerqueira	13 years
test	9/23/2016	Namhoon Kim	9 years
tracing-devel	Test kernel tracing events capabilities	Andrea Bastoni	16 years
v2.6.34-with-arm-patches	smsc911x: Add spinlocks around registers access	Catalin Marinas	15 years
v2015.1	Add ARM syscall def for get_current_budget	Bjoern Brandenburg	10 years
wip-2011.2-bbb	Litmus core: simplify np-section protocol	Bjoern B. Brandenburg	14 years
wip-2011.2-bbb-trace	Refactor sched_trace_log_message() -> debug_trace_log_message()	Andrea Bastoni	14 years
wip-2012.3-gpu	SOBLIV draining support for C-EDF.	Glenn Elliott	12 years
wip-2012.3-gpu-preport	pick up last C-RM file	Glenn Elliott	12 years
wip-2012.3-gpu-rtss13	Fix critical bug in GPU tracker.	Glenn Elliott	12 years
wip-2012.3-gpu-sobliv-budget-w-kshark	Proper sobliv draining and many bug fixes.	Glenn Elliott	12 years
wip-aedzl-final	Make it easier to compile AEDZL interfaces in liblitmus.	Glenn Elliott	15 years
wip-aedzl-revised	Add sched_trace data for Apative EDZL	Glenn Elliott	15 years
wip-arbit-deadline	Fix compilation bug.	Glenn Elliott	13 years
wip-aux-tasks	Description of refined aux task inheritance.	Glenn Elliott	13 years
wip-bbb	GSN-EDF & Core: improve debug TRACE'ing for NP sections	Bjoern B. Brandenburg	14 years
wip-bbb-prio-don	use correct timestamp	Bjoern B. Brandenburg	14 years
wip-better-break	Implement hash-based EDF tie-breaking.	Glenn Elliott	13 years
wip-binary-heap	Make C-EDF work with simplified binheap_delete	Glenn Elliott	13 years
wip-budget	Added support for choices in budget policy enforcement.	Glenn Elliott	15 years
wip-color	Summarize schedulability with final record	Jonathan Herman	13 years
wip-color-jlh	sched_color: Fixed two bugs causing crashing on experiment restart and a rare...	Jonathan Herman	13 years
wip-d10-hz1000	Enable HZ=1000 on District 10	Bjoern B. Brandenburg	15 years
wip-default-clustering	Feature: Make default C-EDF clustering compile-time configurable.	Glenn Elliott	15 years
wip-dissipation-jerickso	Update from 2.6.36 to 2.6.36.4	Jeremy Erickson	11 years
wip-dissipation2-jerickso	Update 2.6.36 to 2.6.36.4	Jeremy Erickson	11 years
wip-ecrts14-pgm	Merge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...	Glenn Elliott	12 years
wip-edf-hsb	last tested version	Jonathan Herman	14 years
wip-edf-os	Lookup table EDF-os	Jeremy Erickson	12 years
wip-edf-tie-break	Merge branch 'wip-edf-tie-break' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus...	Glenn Elliott	13 years
wip-edzl-critique	Use hr_timer's active checks instead of having own flag.	Glenn Elliott	15 years
wip-edzl-final	Implementation of the EDZL scheduler.	Glenn Elliott	15 years
wip-edzl-revised	Clean up comments.	Glenn Elliott	15 years
wip-events	Added support for tracing arbitrary actions.	Jonathan Herman	15 years
wip-extra-debug	DBG: add additional tracing	Bjoern B. Brandenburg	15 years
wip-fix-switch-jerickso	Attempt to fix race condition with plugin switching	Jeremy Erickson	15 years
wip-fix3	sched: show length of runqueue clock deactivation in /proc/sched_debug	Bjoern B. Brandenburg	15 years
wip-fmlp-dequeue	Improve FMLP queue management.	Glenn Elliott	14 years
wip-ft-irq-flag	Feather-Trace: keep track of interrupt-related interference.	Bjoern B. Brandenburg	14 years
wip-gpu-cleanup	Enable sched_trace log injection from userspace	Glenn Elliott	13 years
wip-gpu-interrupts	Remove option for threading of all softirqs.	Glenn Elliott	14 years
wip-gpu-rtas12	Generalized GPU cost predictors + EWMA. (untested)	Glenn Elliott	13 years
wip-gpu-rtss12	Final GPUSync implementation.	Glenn Elliott	13 years
wip-gpu-rtss12-srp	experimental changes to support GPUs under SRP	Glenn Elliott	13 years
wip-gpusync-merge	Cleanup priority tracking for budget enforcement.	Glenn Elliott	11 years
wip-ikglp	Move RSM and IKGLP imp. to own .c files	Glenn Elliott	13 years
wip-k-fmlp	Merge branch 'mpi-master' into wip-k-fmlp	Glenn Elliott	14 years
wip-kernel-coloring	Added recolor syscall	Namhoon Kim	7 years
wip-kernthreads	Kludge work-queue processing into klitirqd.	Glenn Elliott	15 years
wip-klmirqd-to-aux	Allow klmirqd threads to be given names.	Glenn Elliott	13 years
wip-kshark	Merge branch 'mpi-staging' into wip-kshark	Jonathan Herman	13 years
wip-litmus-3.2	Merge commit 'v3.2' into litmus-staging	Andrea Bastoni	13 years
wip-litmus2011.2	Cleanup: Coding conformance for affinity stuff.	Glenn Elliott	14 years
wip-litmus3.0-2011.2	Feather-Trace: keep track of interrupt-related interference.	Bjoern B. Brandenburg	14 years
wip-master-2.6.33-rt	Avoid deadlock when switching task policy to BACKGROUND (ugly)	Andrea Bastoni	15 years
wip-mc	Removed ARM-specific hacks which disabled less common mixed-criticality featu...	Jonathan Herman	12 years
wip-mc-bipasa	MC-EDF added	bipasa chattopadhyay	13 years
wip-mc-jerickso	Split C/D queues	Jeremy Erickson	15 years
wip-mc2-cache-slack	Manually patched mc^2 related code	Ming Yang	10 years
wip-mcrit-mac	cosmetic	Mac Mollison	15 years
wip-merge-3.0	Prevent Linux to send IPI and queue tasks on remote CPUs.	Andrea Bastoni	14 years
wip-merge-v3.0	Prevent Linux to send IPI and queue tasks on remote CPUs.	Andrea Bastoni	14 years
wip-migration-affinity	NULL affinity dereference in C-EDF.	Glenn Elliott	14 years
wip-mmap-uncache	share branch with others	Glenn Elliott	13 years
wip-modechange	RTSS 2017 submission	Namhoon Kim	8 years
wip-nested-locking	Appears to be working.	Bryan Ward	12 years
wip-omlp-gedf	First implementation of G-OMLP.	Glenn Elliott	15 years
wip-pai	Some cleanup of PAI	Glenn Elliott	14 years
wip-percore-lib	9/21/2016	Namhoon Kim	9 years
wip-performance	CONFIG_DONT_PREEMPT_ON_TIE: Don't preeempt a scheduled task on priority tie.	Glenn Elliott	14 years
wip-pgm	Add PGM support to C-FL	Glenn Elliott	12 years
wip-pgm-split	First draft of C-FL-split	Namhoon Kim	12 years
wip-pm-ovd	Add preemption-and-migration overhead tracing support	Andrea Bastoni	15 years
wip-prio-inh	P-EDF updated to use the generic pi framework.	Glenn Elliott	15 years
wip-prioq-dgl	BUG FIX: Support DGLs with PRIOQ_MUTEX	Glenn Elliott	13 years
wip-refactored-gedf	Generalizd architecture for GEDF-style scheduelrs to reduce code redundancy.	Glenn Elliott	15 years
wip-release-master-fix	bugfix: release master CPU must signal task was picked	Bjoern B. Brandenburg	14 years
wip-robust-tie-break	EDF priority tie-breaks.	Glenn Elliott	13 years
wip-rt-kshark	Move task time accounting into the complete_job method.	Jonathan Herman	13 years
wip-rtas12-pgm	Scheduling of PGM jobs.	Glenn Elliott	13 years
wip-semi-part	Fix compile error with newer GCC	Jeremy Erickson	12 years
wip-semi-part-edfos-jerickso	Use initial CPU set by client	Jeremy Erickson	12 years
wip-shared-lib	TODO: Fix condition checks in replicate_page_move_mapping()	Namhoon Kim	9 years
wip-shared-lib2	RTAS 2017 Submission ver.	Namhoon Kim	9 years
wip-shared-mem	Initial commit for shared library	Namhoon Kim	9 years
wip-splitting-jerickso	Fix release behavior	Jeremy Erickson	13 years
wip-splitting-omlp-jerickso	Bjoern's Dissertation Code with Priority Donation	Jeremy Erickson	13 years
wip-stage-binheap	An efficient binary heap implementation.	Glenn Elliott	13 years
wip-sun-port	Dynamic memory allocation and clean exit for FeatherTrace	Christopher Kenna	15 years
wip-timer-trace	bugfix: C-EDF, clear scheduled field of the correct CPU upon task_exit	Andrea Bastoni	15 years
wip-tracepoints	Add kernel-style events for sched_trace_XXX() functions	Andrea Bastoni	14 years
Tag	Download	Author	Age
2015.1	commit 8e51b37822...	Bjoern Brandenburg	10 years
2013.1	commit bcaacec1ca...	Glenn Elliott	12 years
2012.3	commit c158b5fbe4...	Jonathan Herman	13 years
2012.2	commit b53c479a0f...	Glenn Elliott	13 years
2012.1	commit 83b11ea1c6...	Bjoern B. Brandenburg	14 years
rtas12-mc-beta-exp	commit 8e236ee20f...	Christopher Kenna	14 years
2011.1	commit d11808b5c6...	Christopher Kenna	15 years
v2.6.37-rc4	commit e8a7e48bb2...	Linus Torvalds	15 years
v2.6.37-rc3	commit 3561d43fd2...	Linus Torvalds	15 years
v2.6.37-rc2	commit e53beacd23...	Linus Torvalds	15 years
v2.6.37-rc1	commit c8ddb2713c...	Linus Torvalds	15 years
v2.6.36	commit f6f94e2ab1...	Linus Torvalds	15 years
2010.2	commit 5c5456402d...	Bjoern B. Brandenburg	15 years
v2.6.36-rc8	commit cd07202cc8...	Linus Torvalds	15 years
v2.6.36-rc7	commit cb655d0f3d...	Linus Torvalds	15 years
v2.6.36-rc6	commit 899611ee7d...	Linus Torvalds	15 years
v2.6.36-rc5	commit b30a3f6257...	Linus Torvalds	15 years
v2.6.36-rc4	commit 49553c2ef8...	Linus Torvalds	15 years
v2.6.36-rc3	commit 2bfc96a127...	Linus Torvalds	15 years
v2.6.36-rc2	commit 76be97c1fc...	Linus Torvalds	15 years
v2.6.36-rc1	commit da5cabf80e...	Linus Torvalds	15 years
v2.6.35	commit 9fe6206f40...	Linus Torvalds	15 years
v2.6.35-rc6	commit b37fa16e78...	Linus Torvalds	15 years
v2.6.35-rc5	commit 1c5474a65b...	Linus Torvalds	15 years
v2.6.35-rc4	commit 815c4163b6...	Linus Torvalds	15 years
v2.6.35-rc3	commit 7e27d6e778...	Linus Torvalds	15 years
v2.6.35-rc2	commit e44a21b726...	Linus Torvalds	15 years
v2.6.35-rc1	commit 67a3e12b05...	Linus Torvalds	15 years
2010.1	commit 7c1ff4c544...	Andrea Bastoni	15 years
v2.6.34	commit e40152ee1e...	Linus Torvalds	15 years
v2.6.33.4	commit 4640b4e7d9...	Greg Kroah-Hartman	15 years
v2.6.34-rc7	commit b57f95a382...	Linus Torvalds	15 years
v2.6.34-rc6	commit 66f41d4c5c...	Linus Torvalds	15 years
v2.6.33.3	commit 3e7ad8ed97...	Greg Kroah-Hartman	15 years
v2.6.34-rc5	commit 01bf0b6457...	Linus Torvalds	15 years
v2.6.34-rc4	commit 0d0fb0f9c5...	Linus Torvalds	15 years
v2.6.33.2	commit 19f00f070c...	Greg Kroah-Hartman	15 years
v2.6.34-rc3	commit 2eaa9cfdf3...	Linus Torvalds	15 years
v2.6.34-rc2	commit 220bf991b0...	Linus Torvalds	15 years
v2.6.33.1	commit dbdafe5ccf...	Greg Kroah-Hartman	15 years
v2.6.34-rc1	commit 57d54889cd...	Linus Torvalds	16 years
v2.6.33	commit 60b341b778...	Linus Torvalds	16 years
v2.6.33-rc8	commit 724e6d3fe8...	Linus Torvalds	16 years
v2.6.33-rc7	commit 29275254ca...	Linus Torvalds	16 years
v2.6.33-rc6	commit abe94c756c...	Linus Torvalds	16 years
v2.6.33-rc5	commit 92dcffb916...	Linus Torvalds	16 years
v2.6.33-rc4	commit 7284ce6c9f...	Linus Torvalds	16 years
v2.6.33-rc3	commit 74d2e4f8d7...	Linus Torvalds	16 years
v2.6.33-rc2	commit 6b7b284958...	Linus Torvalds	16 years
v2.6.33-rc1	commit 55639353a0...	Linus Torvalds	16 years
v2.6.32	commit 22763c5cf3...	Linus Torvalds	16 years
v2.6.32-rc8	commit 648f4e3e50...	Linus Torvalds	16 years
v2.6.32-rc7	commit 156171c71a...	Linus Torvalds	16 years
v2.6.32-rc6	commit b419148e56...	Linus Torvalds	16 years
v2.6.32-rc5	commit 012abeea66...	Linus Torvalds	16 years
v2.6.32-rc4	commit 161291396e...	Linus Torvalds	16 years
v2.6.32-rc3	commit 374576a8b6...	Linus Torvalds	16 years
v2.6.32-rc1	commit 17d857be64...	Linus Torvalds	16 years
v2.6.32-rc2	commit 17d857be64...	Linus Torvalds	16 years
v2.6.31	commit 74fca6a428...	Linus Torvalds	16 years
v2.6.31-rc9	commit e07cccf404...	Linus Torvalds	16 years
v2.6.31-rc8	commit 326ba5010a...	Linus Torvalds	16 years
v2.6.31-rc7	commit 422bef879e...	Linus Torvalds	16 years
v2.6.31-rc6	commit 64f1607ffb...	Linus Torvalds	16 years
v2.6.31-rc5	commit ed680c4ad4...	Linus Torvalds	16 years
v2.6.31-rc4	commit 4be3bd7849...	Linus Torvalds	16 years
v2.6.31-rc3	commit 6847e154e3...	Linus Torvalds	16 years
v2.6.31-rc2	commit 8e4a718ff3...	Linus Torvalds	16 years
v2.6.31-rc1	commit 28d0325ce6...	Linus Torvalds	16 years
v2.6.30	commit 07a2039b8e...	Linus Torvalds	16 years
v2.6.30-rc8	commit 9fa7eb283c...	Linus Torvalds	16 years
v2.6.30-rc7	commit 59a3759d0f...	Linus Torvalds	16 years
v2.6.30-rc6	commit 1406de8e11...	Linus Torvalds	16 years
v2.6.30-rc5	commit 091bf7624d...	Linus Torvalds	16 years
v2.6.30-rc4	commit 091438dd56...	Linus Torvalds	16 years
v2.6.30-rc3	commit 0910697403...	Linus Torvalds	16 years
v2.6.30-rc2	commit 0882e8dd3a...	Linus Torvalds	16 years
v2.6.30-rc1	commit 577c9c456f...	Linus Torvalds	16 years
v2.6.29	commit 8e0ee43bc2...	Linus Torvalds	16 years
v2.6.29-rc8	commit 041b62374c...	Linus Torvalds	17 years
v2.6.29-rc7	commit fec6c6fec3...	Linus Torvalds	17 years
v2.6.29-rc6	commit 20f4d6c3a2...	Linus Torvalds	17 years
v2.6.29-rc5	commit d2f8d7ee1a...	Linus Torvalds	17 years
v2.6.29-rc4	commit 8e4921515c...	Linus Torvalds	17 years
v2.6.29-rc3	commit 18e352e4a7...	Linus Torvalds	17 years
v2.6.29-rc2	commit 1de9e8e70f...	Linus Torvalds	17 years
v2.6.29-rc1	commit c59765042f...	Linus Torvalds	17 years
v2.6.28	commit 4a6908a3a0...	Linus Torvalds	17 years
v2.6.28-rc9	commit 929096fe9f...	Linus Torvalds	17 years
v2.6.28-rc8	commit 8b1fae4e42...	Linus Torvalds	17 years
v2.6.28-rc7	commit 061e41fdb5...	Linus Torvalds	17 years
v2.6.28-rc6	commit 13d428afc0...	Linus Torvalds	17 years
v2.6.28-rc5	commit 9bf1a2445f...	Linus Torvalds	17 years
v2.6.28-rc4	commit f7160c7573...	Linus Torvalds	17 years
v2.6.28-rc3	commit 45beca08dd...	Linus Torvalds	17 years
v2.6.28-rc2	commit 0173a3265b...	Linus Torvalds	17 years
v2.6.28-rc1	commit 57f8f7b60d...	Linus Torvalds	17 years
v2.6.27	commit 3fa8749e58...	Linus Torvalds	17 years
v2.6.27-rc9	commit 4330ed8ed4...	Linus Torvalds	17 years
v2.6.27-rc8	commit 94aca1dac6...	Linus Torvalds	17 years
v2.6.27-rc7	commit 72d31053f6...	Linus Torvalds	17 years
v2.6.27-rc6	commit adee14b2e1...	Linus Torvalds	17 years
v2.6.27-rc5	commit 24342c34a0...	Linus Torvalds	17 years
v2.6.27-rc4	commit 6a55617ed5...	Linus Torvalds	17 years
v2.6.27-rc3	commit 30a2f3c60a...	Linus Torvalds	17 years
v2.6.27-rc2	commit 0967d61ea0...	Linus Torvalds	17 years
v2.6.27-rc1	commit 6e86841d05...	Linus Torvalds	17 years
v2.6.26	commit bce7f793da...	Linus Torvalds	17 years
v2.6.26-rc9	commit b7279469d6...	Linus Torvalds	17 years
v2.6.26-rc8	commit 543cf4cb3f...	Linus Torvalds	17 years
v2.6.26-rc7	commit d70ac829b7...	Linus Torvalds	17 years
v2.6.26-rc6	commit 5dd34572ad...	Linus Torvalds	17 years
v2.6.26-rc5	commit 53c8ba9540...	Linus Torvalds	17 years
v2.6.26-rc4	commit e490517a03...	Linus Torvalds	17 years
v2.6.26-rc3	commit b8291ad07a...	Linus Torvalds	17 years
v2.6.26-rc2	commit 492c2e476e...	Linus Torvalds	17 years
v2.6.26-rc1	commit 2ddcca36c8...	Linus Torvalds	17 years
v2.6.25	commit 4b119e21d0...	Linus Torvalds	17 years
v2.6.25-rc9	commit 120dd64cac...	Linus Torvalds	17 years
v2.6.25-rc8	commit 0e81a8ae37...	Linus Torvalds	17 years
v2.6.25-rc7	commit 05dda977f2...	Linus Torvalds	17 years
v2.6.25-rc6	commit a978b30af3...	Linus Torvalds	17 years
v2.6.25-rc5	commit cdeeeae056...	Linus Torvalds	18 years
v2.6.25-rc4	commit 29e8c3c304...	Linus Torvalds	18 years
v2.6.25-rc3	commit bfa274e243...	Linus Torvalds	18 years
v2.6.25-rc2	commit 101142c37b...	Linus Torvalds	18 years
v2.6.25-rc1	commit 19af35546d...	Linus Torvalds	18 years
v2.6.24	commit 49914084e7...	Linus Torvalds	18 years
v2.6.24-rc8	commit cbd9c88369...	Linus Torvalds	18 years
v2.6.24-rc7	commit 3ce5445046...	Linus Torvalds	18 years
v2.6.24-rc6	commit ea67db4cdb...	Linus Torvalds	18 years
v2.6.24-rc5	commit 82d29bf6dc...	Linus Torvalds	18 years
v2.6.24-rc4	commit 09b56adc98...	Linus Torvalds	18 years
v2.6.24-rc3	commit d9f8bcbf67...	Linus Torvalds	18 years
v2.6.24-rc2	commit dbeeb816e8...	Linus Torvalds	18 years
v2.6.24-rc1	commit c9927c2bf4...	Linus Torvalds	18 years
v2.6.23	commit bbf25010f1...	Linus Torvalds	18 years
v2.6.23-rc9	commit 3146b39c18...	Linus Torvalds	18 years
v2.6.23-rc8	commit 4942de4a0e...	Linus Torvalds	18 years
v2.6.23-rc7	commit 81cfe79b9c...	Linus Torvalds	18 years
v2.6.23-rc6	commit 0d4cbb5e7f...	Linus Torvalds	18 years
v2.6.23-rc5	commit 40ffbfad6b...	Linus Torvalds	18 years
v2.6.23-rc4	commit b07d68b5ca...	Linus Torvalds	18 years
v2.6.23-rc3	commit 39d3520c92...	Linus Torvalds	18 years
v2.6.23-rc2	commit d4ac2477fa...	Linus Torvalds	18 years
v2.6.23-rc1	commit f695baf2df...	Linus Torvalds	18 years
v2.6.22	commit 7dcca30a32...	Linus Torvalds	18 years
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generated by cgit v1.2.2 (git 2.25.0) at 2025-09-08 20:33:41 -0400

/*
 * Intel IXP4xx NPE-C crypto driver
 *
 * Copyright (C) 2008 Christian Hohnstaedt <chohnstaedt@innominate.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License
 * as published by the Free Software Foundation.
 *
 */

#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/dmapool.h>
#include <linux/crypto.h>
#include <linux/kernel.h>
#include <linux/rtnetlink.h>
#include <linux/interrupt.h>
#include <linux/spinlock.h>
#include <linux/gfp.h>

#include <crypto/ctr.h>
#include <crypto/des.h>
#include <crypto/aes.h>
#include <crypto/sha.h>
#include <crypto/algapi.h>
#include <crypto/aead.h>
#include <crypto/authenc.h>
#include <crypto/scatterwalk.h>

#include <mach/npe.h>
#include <mach/qmgr.h>

#define MAX_KEYLEN 32

/* hash: cfgword + 2 * digestlen; crypt: keylen + cfgword */
#define NPE_CTX_LEN 80
#define AES_BLOCK128 16

#define NPE_OP_HASH_VERIFY   0x01
#define NPE_OP_CCM_ENABLE    0x04
#define NPE_OP_CRYPT_ENABLE  0x08
#define NPE_OP_HASH_ENABLE   0x10
#define NPE_OP_NOT_IN_PLACE  0x20
#define NPE_OP_HMAC_DISABLE  0x40
#define NPE_OP_CRYPT_ENCRYPT 0x80

#define NPE_OP_CCM_GEN_MIC   0xcc
#define NPE_OP_HASH_GEN_ICV  0x50
#define NPE_OP_ENC_GEN_KEY   0xc9

#define MOD_ECB     0x0000
#define MOD_CTR     0x1000
#define MOD_CBC_ENC 0x2000
#define MOD_CBC_DEC 0x3000
#define MOD_CCM_ENC 0x4000
#define MOD_CCM_DEC 0x5000

#define KEYLEN_128  4
#define KEYLEN_192  6
#define KEYLEN_256  8

#define CIPH_DECR   0x0000
#define CIPH_ENCR   0x0400

#define MOD_DES     0x0000
#define MOD_TDEA2   0x0100
#define MOD_3DES   0x0200
#define MOD_AES     0x0800
#define MOD_AES128  (0x0800 | KEYLEN_128)
#define MOD_AES192  (0x0900 | KEYLEN_192)
#define MOD_AES256  (0x0a00 | KEYLEN_256)

#define MAX_IVLEN   16
#define NPE_ID      2  /* NPE C */
#define NPE_QLEN    16
/* Space for registering when the first
 * NPE_QLEN crypt_ctl are busy */
#define NPE_QLEN_TOTAL 64

#define SEND_QID    29
#define RECV_QID    30

#define CTL_FLAG_UNUSED		0x0000
#define CTL_FLAG_USED		0x1000
#define CTL_FLAG_PERFORM_ABLK	0x0001
#define CTL_FLAG_GEN_ICV	0x0002
#define CTL_FLAG_GEN_REVAES	0x0004
#define CTL_FLAG_PERFORM_AEAD	0x0008
#define CTL_FLAG_MASK		0x000f

#define HMAC_IPAD_VALUE   0x36
#define HMAC_OPAD_VALUE   0x5C
#define HMAC_PAD_BLOCKLEN SHA1_BLOCK_SIZE

#define MD5_DIGEST_SIZE   16

struct buffer_desc {
	u32 phys_next;
#ifdef __ARMEB__
	u16 buf_len;
	u16 pkt_len;
#else
	u16 pkt_len;
	u16 buf_len;
#endif
	u32 phys_addr;
	u32 __reserved[4];
	struct buffer_desc *next;
	enum dma_data_direction dir;
};

struct crypt_ctl {
#ifdef __ARMEB__
	u8 mode;		/* NPE_OP_*  operation mode */
	u8 init_len;
	u16 reserved;
#else
	u16 reserved;
	u8 init_len;
	u8 mode;		/* NPE_OP_*  operation mode */
#endif
	u8 iv[MAX_IVLEN];	/* IV for CBC mode or CTR IV for CTR mode */
	u32 icv_rev_aes;	/* icv or rev aes */
	u32 src_buf;
	u32 dst_buf;
#ifdef __ARMEB__
	u16 auth_offs;		/* Authentication start offset */
	u16 auth_len;		/* Authentication data length */
	u16 crypt_offs;		/* Cryption start offset */
	u16 crypt_len;		/* Cryption data length */
#else
	u16 auth_len;		/* Authentication data length */
	u16 auth_offs;		/* Authentication start offset */
	u16 crypt_len;		/* Cryption data length */
	u16 crypt_offs;		/* Cryption start offset */
#endif
	u32 aadAddr;		/* Additional Auth Data Addr for CCM mode */
	u32 crypto_ctx;		/* NPE Crypto Param structure address */

	/* Used by Host: 4*4 bytes*/
	unsigned ctl_flags;
	union {
		struct ablkcipher_request *ablk_req;
		struct aead_request *aead_req;
		struct crypto_tfm *tfm;
	} data;
	struct buffer_desc *regist_buf;
	u8 *regist_ptr;
};

struct ablk_ctx {
	struct buffer_desc *src;
	struct buffer_desc *dst;
};

struct aead_ctx {
	struct buffer_desc *buffer;
	struct scatterlist ivlist;
	/* used when the hmac is not on one sg entry */
	u8 *hmac_virt;
	int encrypt;
};

struct ix_hash_algo {
	u32 cfgword;
	unsigned char *icv;
};

struct ix_sa_dir {
	unsigned char *npe_ctx;
	dma_addr_t npe_ctx_phys;
	int npe_ctx_idx;
	u8 npe_mode;
};

struct ixp_ctx {
	struct ix_sa_dir encrypt;
	struct ix_sa_dir decrypt;
	int authkey_len;
	u8 authkey[MAX_KEYLEN];
	int enckey_len;
	u8 enckey[MAX_KEYLEN];
	u8 salt[MAX_IVLEN];
	u8 nonce[CTR_RFC3686_NONCE_SIZE];
	unsigned salted;
	atomic_t configuring;
	struct completion completion;
};

struct ixp_alg {
	struct crypto_alg crypto;
	const struct ix_hash_algo *hash;
	u32 cfg_enc;
	u32 cfg_dec;

	int registered;
};

static const struct ix_hash_algo hash_alg_md5 = {
	.cfgword	= 0xAA010004,
	.icv		= "\x01\x23\x45\x67\x89\xAB\xCD\xEF"
			  "\xFE\xDC\xBA\x98\x76\x54\x32\x10",
};
static const struct ix_hash_algo hash_alg_sha1 = {
	.cfgword	= 0x00000005,
	.icv		= "\x67\x45\x23\x01\xEF\xCD\xAB\x89\x98\xBA"
			  "\xDC\xFE\x10\x32\x54\x76\xC3\xD2\xE1\xF0",
};

static struct npe *npe_c;
static struct dma_pool *buffer_pool = NULL;
static struct dma_pool *ctx_pool = NULL;

static struct crypt_ctl *crypt_virt = NULL;
static dma_addr_t crypt_phys;

static int support_aes = 1;

static void dev_release(struct device *dev)
{
	return;
}

#define DRIVER_NAME "ixp4xx_crypto"
static struct platform_device pseudo_dev = {
	.name = DRIVER_NAME,
	.id   = 0,
	.num_resources = 0,
	.dev  = {
		.coherent_dma_mask = DMA_BIT_MASK(32),
		.release = dev_release,
	}
};

static struct device *dev = &pseudo_dev.dev;

static inline dma_addr_t crypt_virt2phys(struct crypt_ctl *virt)
{
	return crypt_phys + (virt - crypt_virt) * sizeof(struct crypt_ctl);
}

static inline struct crypt_ctl *crypt_phys2virt(dma_addr_t phys)
{
	return crypt_virt + (phys - crypt_phys) / sizeof(struct crypt_ctl);
}

static inline u32 cipher_cfg_enc(struct crypto_tfm *tfm)
{
	return container_of(tfm->__crt_alg, struct ixp_alg,crypto)->cfg_enc;
}

static inline u32 cipher_cfg_dec(struct crypto_tfm *tfm)
{
	return container_of(tfm->__crt_alg, struct ixp_alg,crypto)->cfg_dec;
}

static inline const struct ix_hash_algo *ix_hash(struct crypto_tfm *tfm)
{
	return container_of(tfm->__crt_alg, struct ixp_alg, crypto)->hash;
}

static int setup_crypt_desc(void)
{
	BUILD_BUG_ON(sizeof(struct crypt_ctl) != 64);
	crypt_virt = dma_alloc_coherent(dev,
			NPE_QLEN * sizeof(struct crypt_ctl),
			&crypt_phys, GFP_KERNEL);
	if (!crypt_virt)
		return -ENOMEM;
	memset(crypt_virt, 0, NPE_QLEN * sizeof(struct crypt_ctl));
	return 0;
}

static spinlock_t desc_lock;
static struct crypt_ctl *get_crypt_desc(void)
{
	int i;
	static int idx = 0;
	unsigned long flags;

	spin_lock_irqsave(&desc_lock, flags);

	if (unlikely(!crypt_virt))
		setup_crypt_desc();
	if (unlikely(!crypt_virt)) {
		spin_unlock_irqrestore(&desc_lock, flags);
		return NULL;
	}
	i = idx;
	if (crypt_virt[i].ctl_flags == CTL_FLAG_UNUSED) {
		if (++idx >= NPE_QLEN)
			idx = 0;
		crypt_virt[i].ctl_flags = CTL_FLAG_USED;
		spin_unlock_irqrestore(&desc_lock, flags);
		return crypt_virt +i;
	} else {
		spin_unlock_irqrestore(&desc_lock, flags);
		return NULL;
	}
}

static spinlock_t emerg_lock;
static struct crypt_ctl *get_crypt_desc_emerg(void)
{
	int i;
	static int idx = NPE_QLEN;
	struct crypt_ctl *desc;
	unsigned long flags;

	desc = get_crypt_desc();
	if (desc)
		return desc;
	if (unlikely(!crypt_virt))
		return NULL;

	spin_lock_irqsave(&emerg_lock, flags);
	i = idx;
	if (crypt_virt[i].ctl_flags == CTL_FLAG_UNUSED) {
		if (++idx >= NPE_QLEN_TOTAL)
			idx = NPE_QLEN;
		crypt_virt[i].ctl_flags = CTL_FLAG_USED;
		spin_unlock_irqrestore(&emerg_lock, flags);
		return crypt_virt +i;
	} else {
		spin_unlock_irqrestore(&emerg_lock, flags);
		return NULL;
	}
}

static void free_buf_chain(struct device *dev, struct buffer_desc *buf,u32 phys)
{
	while (buf) {
		struct buffer_desc *buf1;
		u32 phys1;

		buf1 = buf->next;
		phys1 = buf->phys_next;
		dma_unmap_single(dev, buf->phys_next, buf->buf_len, buf->dir);
		dma_pool_free(buffer_pool, buf, phys);
		buf = buf1;
		phys = phys1;
	}
}

static struct tasklet_struct crypto_done_tasklet;

static void finish_scattered_hmac(struct crypt_ctl *crypt)
{
	struct aead_request *req = crypt->data.aead_req;
	struct aead_ctx *req_ctx = aead_request_ctx(req);
	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
	int authsize = crypto_aead_authsize(tfm);
	int decryptlen = req->cryptlen - authsize;

	if (req_ctx->encrypt) {
		scatterwalk_map_and_copy(req_ctx->hmac_virt,
			req->src, decryptlen, authsize, 1);
	}
	dma_pool_free(buffer_pool, req_ctx->hmac_virt, crypt->icv_rev_aes);
}

static void one_packet(dma_addr_t phys)
{
	struct crypt_ctl *crypt;
	struct ixp_ctx *ctx;
	int failed;

	failed = phys & 0x1 ? -EBADMSG : 0;
	phys &= ~0x3;
	crypt = crypt_phys2virt(phys);

	switch (crypt->ctl_flags & CTL_FLAG_MASK) {
	case CTL_FLAG_PERFORM_AEAD: {
		struct aead_request *req = crypt->data.aead_req;
		struct aead_ctx *req_ctx = aead_request_ctx(req);

		free_buf_chain(dev, req_ctx->buffer, crypt->src_buf);
		if (req_ctx->hmac_virt) {
			finish_scattered_hmac(crypt);
		}
		req->base.complete(&req->base, failed);
		break;
	}
	case CTL_FLAG_PERFORM_ABLK: {
		struct ablkcipher_request *req = crypt->data.ablk_req;
		struct ablk_ctx *req_ctx = ablkcipher_request_ctx(req);

		if (req_ctx->dst) {
			free_buf_chain(dev, req_ctx->dst, crypt->dst_buf);
		}
		free_buf_chain(dev, req_ctx->src, crypt->src_buf);
		req->base.complete(&req->base, failed);
		break;
	}
	case CTL_FLAG_GEN_ICV:
		ctx = crypto_tfm_ctx(crypt->data.tfm);
		dma_pool_free(ctx_pool, crypt->regist_ptr,
				crypt->regist_buf->phys_addr);
		dma_pool_free(buffer_pool, crypt->regist_buf, crypt->src_buf);
		if (atomic_dec_and_test(&ctx->configuring))
			complete(&ctx->completion);
		break;
	case CTL_FLAG_GEN_REVAES:
		ctx = crypto_tfm_ctx(crypt->data.tfm);
		*(u32*)ctx->decrypt.npe_ctx &= cpu_to_be32(~CIPH_ENCR);
		if (atomic_dec_and_test(&ctx->configuring))
			complete(&ctx->completion);
		break;
	default:
		BUG();
	}
	crypt->ctl_flags = CTL_FLAG_UNUSED;
}

static void irqhandler(void *_unused)
{
	tasklet_schedule(&crypto_done_tasklet);
}

static void crypto_done_action(unsigned long arg)
{
	int i;

	for(i=0; i<4; i++) {
		dma_addr_t phys = qmgr_get_entry(RECV_QID);
		if (!phys)
			return;
		one_packet(phys);
	}
	tasklet_schedule(&crypto_done_tasklet);
}

static int init_ixp_crypto(void)
{
	int ret = -ENODEV;
	u32 msg[2] = { 0, 0 };

	if (! ( ~(*IXP4XX_EXP_CFG2) & (IXP4XX_FEATURE_HASH |
				IXP4XX_FEATURE_AES | IXP4XX_FEATURE_DES))) {
		printk(KERN_ERR "ixp_crypto: No HW crypto available\n");
		return ret;
	}
	npe_c = npe_request(NPE_ID);
	if (!npe_c)
		return ret;

	if (!npe_running(npe_c)) {
		ret = npe_load_firmware(npe_c, npe_name(npe_c), dev);
		if (ret) {
			return ret;
		}
		if (npe_recv_message(npe_c, msg, "STATUS_MSG"))
			goto npe_error;
	} else {
		if (npe_send_message(npe_c, msg, "STATUS_MSG"))
			goto npe_error;

		if (npe_recv_message(npe_c, msg, "STATUS_MSG"))
			goto npe_error;
	}

	switch ((msg[1]>>16) & 0xff) {
	case 3:
		printk(KERN_WARNING "Firmware of %s lacks AES support\n",
				npe_name(npe_c));
		support_aes = 0;
		break;
	case 4:
	case 5:
		support_aes = 1;
		break;
	default:
		printk(KERN_ERR "Firmware of %s lacks crypto support\n",
			npe_name(npe_c));
		return -ENODEV;
	}
	/* buffer_pool will also be used to sometimes store the hmac,
	 * so assure it is large enough
	 */
	BUILD_BUG_ON(SHA1_DIGEST_SIZE > sizeof(struct buffer_desc));
	buffer_pool = dma_pool_create("buffer", dev,
			sizeof(struct buffer_desc), 32, 0);
	ret = -ENOMEM;
	if (!buffer_pool) {
		goto err;
	}
	ctx_pool = dma_pool_create("context", dev,
			NPE_CTX_LEN, 16, 0);
	if (!ctx_pool) {
		goto err;
	}
	ret = qmgr_request_queue(SEND_QID, NPE_QLEN_TOTAL, 0, 0,
				 "ixp_crypto:out", NULL);
	if (ret)
		goto err;
	ret = qmgr_request_queue(RECV_QID, NPE_QLEN, 0, 0,
				 "ixp_crypto:in", NULL);
	if (ret) {
		qmgr_release_queue(SEND_QID);
		goto err;
	}
	qmgr_set_irq(RECV_QID, QUEUE_IRQ_SRC_NOT_EMPTY, irqhandler, NULL);
	tasklet_init(&crypto_done_tasklet, crypto_done_action, 0);

	qmgr_enable_irq(RECV_QID);
	return 0;

npe_error:
	printk(KERN_ERR "%s not responding\n", npe_name(npe_c));
	ret = -EIO;
err:
	if (ctx_pool)
		dma_pool_destroy(ctx_pool);
	if (buffer_pool)
		dma_pool_destroy(buffer_pool);
	npe_release(npe_c);
	return ret;
}

static void release_ixp_crypto(void)
{
	qmgr_disable_irq(RECV_QID);
	tasklet_kill(&crypto_done_tasklet);

	qmgr_release_queue(SEND_QID);
	qmgr_release_queue(RECV_QID);

	dma_pool_destroy(ctx_pool);
	dma_pool_destroy(buffer_pool);

	npe_release(npe_c);

	if (crypt_virt) {
		dma_free_coherent(dev,
			NPE_QLEN_TOTAL * sizeof( struct crypt_ctl),
			crypt_virt, crypt_phys);
	}
	return;
}

static void reset_sa_dir(struct ix_sa_dir *dir)
{
	memset(dir->npe_ctx, 0, NPE_CTX_LEN);
	dir->npe_ctx_idx = 0;
	dir->npe_mode = 0;
}

static int init_sa_dir(struct ix_sa_dir *dir)
{
	dir->npe_ctx = dma_pool_alloc(ctx_pool, GFP_KERNEL, &dir->npe_ctx_phys);
	if (!dir->npe_ctx) {
		return -ENOMEM;
	}
	reset_sa_dir(dir);
	return 0;
}

static void free_sa_dir(struct ix_sa_dir *dir)
{
	memset(dir->npe_ctx, 0, NPE_CTX_LEN);
	dma_pool_free(ctx_pool, dir->npe_ctx, dir->npe_ctx_phys);
}

static int init_tfm(struct crypto_tfm *tfm)
{
	struct ixp_ctx *ctx = crypto_tfm_ctx(tfm);
	int ret;

	atomic_set(&ctx->configuring, 0);
	ret = init_sa_dir(&ctx->encrypt);
	if (ret)
		return ret;
	ret = init_sa_dir(&ctx->decrypt);
	if (ret) {
		free_sa_dir(&ctx->encrypt);
	}
	return ret;
}

static int init_tfm_ablk(struct crypto_tfm *tfm)
{
	tfm->crt_ablkcipher.reqsize = sizeof(struct ablk_ctx);
	return init_tfm(tfm);
}

static int init_tfm_aead(struct crypto_tfm *tfm)
{
	tfm->crt_aead.reqsize = sizeof(struct aead_ctx);
	return init_tfm(tfm);
}

static void exit_tfm(struct crypto_tfm *tfm)
{
	struct ixp_ctx *ctx = crypto_tfm_ctx(tfm);
	free_sa_dir(&ctx->encrypt);
	free_sa_dir(&ctx->decrypt);
}

static int register_chain_var(struct crypto_tfm *tfm, u8 xpad, u32 target,
		int init_len, u32 ctx_addr, const u8 *key, int key_len)
{
	struct ixp_ctx *ctx = crypto_tfm_ctx(tfm);
	struct crypt_ctl *crypt;
	struct buffer_desc *buf;
	int i;
	u8 *pad;
	u32 pad_phys, buf_phys;

	BUILD_BUG_ON(NPE_CTX_LEN < HMAC_PAD_BLOCKLEN);
	pad = dma_pool_alloc(ctx_pool, GFP_KERNEL, &pad_phys);
	if (!pad)
		return -ENOMEM;
	buf = dma_pool_alloc(buffer_pool, GFP_KERNEL, &buf_phys);
	if (!buf) {
		dma_pool_free(ctx_pool, pad, pad_phys);
		return -ENOMEM;
	}
	crypt = get_crypt_desc_emerg();
	if (!crypt) {
		dma_pool_free(ctx_pool, pad, pad_phys);
		dma_pool_free(buffer_pool, buf, buf_phys);
		return -EAGAIN;
	}

	memcpy(pad, key, key_len);
	memset(pad + key_len, 0, HMAC_PAD_BLOCKLEN - key_len);
	for (i = 0; i < HMAC_PAD_BLOCKLEN; i++) {
		pad[i] ^= xpad;
	}

	crypt->data.tfm = tfm;
	crypt->regist_ptr = pad;
	crypt->regist_buf = buf;

	crypt->auth_offs = 0;
	crypt->auth_len = HMAC_PAD_BLOCKLEN;
	crypt->crypto_ctx = ctx_addr;
	crypt->src_buf = buf_phys;
	crypt->icv_rev_aes = target;
	crypt->mode = NPE_OP_HASH_GEN_ICV;
	crypt->init_len = init_len;
	crypt->ctl_flags |= CTL_FLAG_GEN_ICV;

	buf->next = 0;
	buf->buf_len = HMAC_PAD_BLOCKLEN;
	buf->pkt_len = 0;
	buf->phys_addr = pad_phys;

	atomic_inc(&ctx->configuring);
	qmgr_put_entry(SEND_QID, crypt_virt2phys(crypt));
	BUG_ON(qmgr_stat_overflow(SEND_QID));
	return 0;
}

static int setup_auth(struct crypto_tfm *tfm, int encrypt, unsigned authsize,
		const u8 *key, int key_len, unsigned digest_len)
{
	u32 itarget, otarget, npe_ctx_addr;
	unsigned char *cinfo;
	int init_len, ret = 0;
	u32 cfgword;
	struct ix_sa_dir *dir;
	struct ixp_ctx *ctx = crypto_tfm_ctx(tfm);
	const struct ix_hash_algo *algo;

	dir = encrypt ? &ctx->encrypt : &ctx->decrypt;
	cinfo = dir->npe_ctx + dir->npe_ctx_idx;
	algo = ix_hash(tfm);

	/* write cfg word to cryptinfo */
	cfgword = algo->cfgword | ( authsize << 6); /* (authsize/4) << 8 */
#ifndef __ARMEB__
	cfgword ^= 0xAA000000; /* change the "byte swap" flags */
#endif
	*(u32*)cinfo = cpu_to_be32(cfgword);
	cinfo += sizeof(cfgword);

	/* write ICV to cryptinfo */
	memcpy(cinfo, algo->icv, digest_len);
	cinfo += digest_len;

	itarget = dir->npe_ctx_phys + dir->npe_ctx_idx
				+ sizeof(algo->cfgword);
	otarget = itarget + digest_len;
	init_len = cinfo - (dir->npe_ctx + dir->npe_ctx_idx);
	npe_ctx_addr = dir->npe_ctx_phys + dir->npe_ctx_idx;

	dir->npe_ctx_idx += init_len;
	dir->npe_mode |= NPE_OP_HASH_ENABLE;

	if (!encrypt)
		dir->npe_mode |= NPE_OP_HASH_VERIFY;

	ret = register_chain_var(tfm, HMAC_OPAD_VALUE, otarget,
			init_len, npe_ctx_addr, key, key_len);
	if (ret)
		return ret;
	return register_chain_var(tfm, HMAC_IPAD_VALUE, itarget,
			init_len, npe_ctx_addr, key, key_len);
}

static int gen_rev_aes_key(struct crypto_tfm *tfm)
{
	struct crypt_ctl *crypt;
	struct ixp_ctx *ctx = crypto_tfm_ctx(tfm);
	struct ix_sa_dir *dir = &ctx->decrypt;

	crypt = get_crypt_desc_emerg();
	if (!crypt) {
		return -EAGAIN;
	}
	*(u32*)dir->npe_ctx |= cpu_to_be32(CIPH_ENCR);

	crypt->data.tfm = tfm;
	crypt->crypt_offs = 0;
	crypt->crypt_len = AES_BLOCK128;
	crypt->src_buf = 0;
	crypt->crypto_ctx = dir->npe_ctx_phys;
	crypt->icv_rev_aes = dir->npe_ctx_phys + sizeof(u32);
	crypt->mode = NPE_OP_ENC_GEN_KEY;
	crypt->init_len = dir->npe_ctx_idx;
	crypt->ctl_flags |= CTL_FLAG_GEN_REVAES;

	atomic_inc(&ctx->configuring);
	qmgr_put_entry(SEND_QID, crypt_virt2phys(crypt));
	BUG_ON(qmgr_stat_overflow(SEND_QID));
	return 0;
}

static int setup_cipher(struct crypto_tfm *tfm, int encrypt,
		const u8 *key, int key_len)
{
	u8 *cinfo;
	u32 cipher_cfg;
	u32 keylen_cfg = 0;
	struct ix_sa_dir *dir;
	struct ixp_ctx *ctx = crypto_tfm_ctx(tfm);
	u32 *flags = &tfm->crt_flags;

	dir = encrypt ? &ctx->encrypt : &ctx->decrypt;
	cinfo = dir->npe_ctx;

	if (encrypt) {
		cipher_cfg = cipher_cfg_enc(tfm);
		dir->npe_mode |= NPE_OP_CRYPT_ENCRYPT;
	} else {
		cipher_cfg = cipher_cfg_dec(tfm);
	}
	if (cipher_cfg & MOD_AES) {
		switch (key_len) {
			case 16: keylen_cfg = MOD_AES128 | KEYLEN_128; break;
			case 24: keylen_cfg = MOD_AES192 | KEYLEN_192; break;
			case 32: keylen_cfg = MOD_AES256 | KEYLEN_256; break;
			default:
				*flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
				return -EINVAL;
		}
		cipher_cfg |= keylen_cfg;
	} else if (cipher_cfg & MOD_3DES) {
		const u32 *K = (const u32 *)key;
		if (unlikely(!((K[0] ^ K[2]) | (K[1] ^ K[3])) ||
			     !((K[2] ^ K[4]) | (K[3] ^ K[5]))))
		{
			*flags |= CRYPTO_TFM_RES_BAD_KEY_SCHED;
			return -EINVAL;
		}
	} else {
		u32 tmp[DES_EXPKEY_WORDS];
		if (des_ekey(tmp, key) == 0) {
			*flags |= CRYPTO_TFM_RES_WEAK_KEY;
		}
	}
	/* write cfg word to cryptinfo */
	*(u32*)cinfo = cpu_to_be32(cipher_cfg);
	cinfo += sizeof(cipher_cfg);

	/* write cipher key to cryptinfo */
	memcpy(cinfo, key, key_len);
	/* NPE wants keylen set to DES3_EDE_KEY_SIZE even for single DES */
	if (key_len < DES3_EDE_KEY_SIZE && !(cipher_cfg & MOD_AES)) {
		memset(cinfo + key_len, 0, DES3_EDE_KEY_SIZE -key_len);
		key_len = DES3_EDE_KEY_SIZE;
	}
	dir->npe_ctx_idx = sizeof(cipher_cfg) + key_len;
	dir->npe_mode |= NPE_OP_CRYPT_ENABLE;
	if ((cipher_cfg & MOD_AES) && !encrypt) {
		return gen_rev_aes_key(tfm);
	}
	return 0;
}

static struct buffer_desc *chainup_buffers(struct device *dev,
		struct scatterlist *sg,	unsigned nbytes,
		struct buffer_desc *buf, gfp_t flags,
		enum dma_data_direction dir)
{
	for (;nbytes > 0; sg = scatterwalk_sg_next(sg)) {
		unsigned len = min(nbytes, sg->length);
		struct buffer_desc *next_buf;
		u32 next_buf_phys;
		void *ptr;

		nbytes -= len;
		ptr = page_address(sg_page(sg)) + sg->offset;
		next_buf = dma_pool_alloc(buffer_pool, flags, &next_buf_phys);
		if (!next_buf) {
			buf = NULL;
			break;
		}
		sg_dma_address(sg) = dma_map_single(dev, ptr, len, dir);
		buf->next = next_buf;
		buf->phys_next = next_buf_phys;
		buf = next_buf;

		buf->phys_addr = sg_dma_address(sg);
		buf->buf_len = len;
		buf->dir = dir;
	}
	buf->next = NULL;
	buf->phys_next = 0;
	return buf;
}

static int ablk_setkey(struct crypto_ablkcipher *tfm, const u8 *key,
			unsigned int key_len)
{
	struct ixp_ctx *ctx = crypto_ablkcipher_ctx(tfm);
	u32 *flags = &tfm->base.crt_flags;
	int ret;

	init_completion(&ctx->completion);
	atomic_inc(&ctx->configuring);

	reset_sa_dir(&ctx->encrypt);
	reset_sa_dir(&ctx->decrypt);

	ctx->encrypt.npe_mode = NPE_OP_HMAC_DISABLE;
	ctx->decrypt.npe_mode = NPE_OP_HMAC_DISABLE;

	ret = setup_cipher(&tfm->base, 0, key, key_len);
	if (ret)
		goto out;
	ret = setup_cipher(&tfm->base, 1, key, key_len);
	if (ret)
		goto out;

	if (*flags & CRYPTO_TFM_RES_WEAK_KEY) {
		if (*flags & CRYPTO_TFM_REQ_WEAK_KEY) {
			ret = -EINVAL;
		} else {
			*flags &= ~CRYPTO_TFM_RES_WEAK_KEY;
		}
	}
out:
	if (!atomic_dec_and_test(&ctx->configuring))
		wait_for_completion(&ctx->completion);
	return ret;
}

static int ablk_rfc3686_setkey(struct crypto_ablkcipher *tfm, const u8 *key,
		unsigned int key_len)
{
	struct ixp_ctx *ctx = crypto_ablkcipher_ctx(tfm);

	/* the nonce is stored in bytes at end of key */
	if (key_len < CTR_RFC3686_NONCE_SIZE)
		return -EINVAL;

	memcpy(ctx->nonce, key + (key_len - CTR_RFC3686_NONCE_SIZE),
			CTR_RFC3686_NONCE_SIZE);

	key_len -= CTR_RFC3686_NONCE_SIZE;
	return ablk_setkey(tfm, key, key_len);
}

static int ablk_perform(struct ablkcipher_request *req, int encrypt)
{
	struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
	struct ixp_ctx *ctx = crypto_ablkcipher_ctx(tfm);
	unsigned ivsize = crypto_ablkcipher_ivsize(tfm);
	struct ix_sa_dir *dir;
	struct crypt_ctl *crypt;
	unsigned int nbytes = req->nbytes;
	enum dma_data_direction src_direction = DMA_BIDIRECTIONAL;
	struct ablk_ctx *req_ctx = ablkcipher_request_ctx(req);
	struct buffer_desc src_hook;
	gfp_t flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP ?
				GFP_KERNEL : GFP_ATOMIC;

	if (qmgr_stat_full(SEND_QID))
		return -EAGAIN;
	if (atomic_read(&ctx->configuring))
		return -EAGAIN;

	dir = encrypt ? &ctx->encrypt : &ctx->decrypt;

	crypt = get_crypt_desc();
	if (!crypt)
		return -ENOMEM;

	crypt->data.ablk_req = req;
	crypt->crypto_ctx = dir->npe_ctx_phys;
	crypt->mode = dir->npe_mode;
	crypt->init_len = dir->npe_ctx_idx;

	crypt->crypt_offs = 0;
	crypt->crypt_len = nbytes;

	BUG_ON(ivsize && !req->info);
	memcpy(crypt->iv, req->info, ivsize);
	if (req->src != req->dst) {
		struct buffer_desc dst_hook;
		crypt->mode |= NPE_OP_NOT_IN_PLACE;
		/* This was never tested by Intel
		 * for more than one dst buffer, I think. */
		BUG_ON(req->dst->length < nbytes);
		req_ctx->dst = NULL;
		if (!chainup_buffers(dev, req->dst, nbytes, &dst_hook,
					flags, DMA_FROM_DEVICE))
			goto free_buf_dest;
		src_direction = DMA_TO_DEVICE;
		req_ctx->dst = dst_hook.next;
		crypt->dst_buf = dst_hook.phys_next;
	} else {
		req_ctx->dst = NULL;
	}
	req_ctx->src = NULL;
	if (!chainup_buffers(dev, req->src, nbytes, &src_hook,
				flags, src_direction))
		goto free_buf_src;

	req_ctx->src = src_hook.next;
	crypt->src_buf = src_hook.phys_next;
	crypt->ctl_flags |= CTL_FLAG_PERFORM_ABLK;
	qmgr_put_entry(SEND_QID, crypt_virt2phys(crypt));
	BUG_ON(qmgr_stat_overflow(SEND_QID));
	return -EINPROGRESS;

free_buf_src:
	free_buf_chain(dev, req_ctx->src, crypt->src_buf);
free_buf_dest:
	if (req->src != req->dst) {
		free_buf_chain(dev, req_ctx->dst, crypt->dst_buf);
	}
	crypt->ctl_flags = CTL_FLAG_UNUSED;
	return -ENOMEM;
}

static int ablk_encrypt(struct ablkcipher_request *req)
{
	return ablk_perform(req, 1);
}

static int ablk_decrypt(struct ablkcipher_request *req)
{
	return ablk_perform(req, 0);
}

static int ablk_rfc3686_crypt(struct ablkcipher_request *req)
{
	struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
	struct ixp_ctx *ctx = crypto_ablkcipher_ctx(tfm);
	u8 iv[CTR_RFC3686_BLOCK_SIZE];
	u8 *info = req->info;
	int ret;

	/* set up counter block */
        memcpy(iv, ctx->nonce, CTR_RFC3686_NONCE_SIZE);
	memcpy(iv + CTR_RFC3686_NONCE_SIZE, info, CTR_RFC3686_IV_SIZE);

	/* initialize counter portion of counter block */
	*(__be32 *)(iv + CTR_RFC3686_NONCE_SIZE + CTR_RFC3686_IV_SIZE) =
		cpu_to_be32(1);

	req->info = iv;
	ret = ablk_perform(req, 1);
	req->info = info;
	return ret;
}

static int hmac_inconsistent(struct scatterlist *sg, unsigned start,
		unsigned int nbytes)
{
	int offset = 0;

	if (!nbytes)
		return 0;

	for (;;) {
		if (start < offset + sg->length)
			break;

		offset += sg->length;
		sg = scatterwalk_sg_next(sg);
	}
	return (start + nbytes > offset + sg->length);
}

static int aead_perform(struct aead_request *req, int encrypt,
		int cryptoffset, int eff_cryptlen, u8 *iv)
{
	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
	struct ixp_ctx *ctx = crypto_aead_ctx(tfm);
	unsigned ivsize = crypto_aead_ivsize(tfm);
	unsigned authsize = crypto_aead_authsize(tfm);
	struct ix_sa_dir *dir;
	struct crypt_ctl *crypt;
	unsigned int cryptlen;
	struct buffer_desc *buf, src_hook;
	struct aead_ctx *req_ctx = aead_request_ctx(req);
	gfp_t flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP ?
				GFP_KERNEL : GFP_ATOMIC;

	if (qmgr_stat_full(SEND_QID))
		return -EAGAIN;
	if (atomic_read(&ctx->configuring))
		return -EAGAIN;

	if (encrypt) {
		dir = &ctx->encrypt;
		cryptlen = req->cryptlen;
	} else {
		dir = &ctx->decrypt;
		/* req->cryptlen includes the authsize when decrypting */
		cryptlen = req->cryptlen -authsize;
		eff_cryptlen -= authsize;
	}
	crypt = get_crypt_desc();
	if (!crypt)
		return -ENOMEM;

	crypt->data.aead_req = req;
	crypt->crypto_ctx = dir->npe_ctx_phys;
	crypt->mode = dir->npe_mode;
	crypt->init_len = dir->npe_ctx_idx;

	crypt->crypt_offs = cryptoffset;
	crypt->crypt_len = eff_cryptlen;

	crypt->auth_offs = 0;
	crypt->auth_len = req->assoclen + ivsize + cryptlen;
	BUG_ON(ivsize && !req->iv);
	memcpy(crypt->iv, req->iv, ivsize);

	if (req->src != req->dst) {
		BUG(); /* -ENOTSUP because of my lazyness */
	}

	/* ASSOC data */
	buf = chainup_buffers(dev, req->assoc, req->assoclen, &src_hook,
		flags, DMA_TO_DEVICE);
	req_ctx->buffer = src_hook.next;
	crypt->src_buf = src_hook.phys_next;
	if (!buf)
		goto out;
	/* IV */
	sg_init_table(&req_ctx->ivlist, 1);
	sg_set_buf(&req_ctx->ivlist, iv, ivsize);
	buf = chainup_buffers(dev, &req_ctx->ivlist, ivsize, buf, flags,
			DMA_BIDIRECTIONAL);
	if (!buf)
		goto free_chain;
	if (unlikely(hmac_inconsistent(req->src, cryptlen, authsize))) {
		/* The 12 hmac bytes are scattered,
		 * we need to copy them into a safe buffer */
		req_ctx->hmac_virt = dma_pool_alloc(buffer_pool, flags,
				&crypt->icv_rev_aes);
		if (unlikely(!req_ctx->hmac_virt))
			goto free_chain;
		if (!encrypt) {
			scatterwalk_map_and_copy(req_ctx->hmac_virt,
				req->src, cryptlen, authsize, 0);
		}
		req_ctx->encrypt = encrypt;
	} else {
		req_ctx->hmac_virt = NULL;
	}
	/* Crypt */
	buf = chainup_buffers(dev, req->src, cryptlen + authsize, buf, flags,
			DMA_BIDIRECTIONAL);
	if (!buf)
		goto free_hmac_virt;
	if (!req_ctx->hmac_virt) {
		crypt->icv_rev_aes = buf->phys_addr + buf->buf_len - authsize;
	}

	crypt->ctl_flags |= CTL_FLAG_PERFORM_AEAD;
	qmgr_put_entry(SEND_QID, crypt_virt2phys(crypt));
	BUG_ON(qmgr_stat_overflow(SEND_QID));
	return -EINPROGRESS;
free_hmac_virt:
	if (req_ctx->hmac_virt) {
		dma_pool_free(buffer_pool, req_ctx->hmac_virt,
				crypt->icv_rev_aes);
	}
free_chain:
	free_buf_chain(dev, req_ctx->buffer, crypt->src_buf);
out:
	crypt->ctl_flags = CTL_FLAG_UNUSED;
	return -ENOMEM;
}

static int aead_setup(struct crypto_aead *tfm, unsigned int authsize)
{
	struct ixp_ctx *ctx = crypto_aead_ctx(tfm);
	u32 *flags = &tfm->base.crt_flags;
	unsigned digest_len = crypto_aead_alg(tfm)->maxauthsize;
	int ret;

	if (!ctx->enckey_len && !ctx->authkey_len)
		return 0;
	init_completion(&ctx->completion);
	atomic_inc(&ctx->configuring);

	reset_sa_dir(&ctx->encrypt);
	reset_sa_dir(&ctx->decrypt);

	ret = setup_cipher(&tfm->base, 0, ctx->enckey, ctx->enckey_len);
	if (ret)
		goto out;
	ret = setup_cipher(&tfm->base, 1, ctx->enckey, ctx->enckey_len);
	if (ret)
		goto out;
	ret = setup_auth(&tfm->base, 0, authsize, ctx->authkey,
			ctx->authkey_len, digest_len);
	if (ret)
		goto out;
	ret = setup_auth(&tfm->base, 1, authsize,  ctx->authkey,
			ctx->authkey_len, digest_len);
	if (ret)
		goto out;

	if (*flags & CRYPTO_TFM_RES_WEAK_KEY) {
		if (*flags & CRYPTO_TFM_REQ_WEAK_KEY) {
			ret = -EINVAL;
			goto out;
		} else {
			*flags &= ~CRYPTO_TFM_RES_WEAK_KEY;
		}
	}
out:
	if (!atomic_dec_and_test(&ctx->configuring))
		wait_for_completion(&ctx->completion);
	return ret;
}

static int aead_setauthsize(struct crypto_aead *tfm, unsigned int authsize)
{
	int max = crypto_aead_alg(tfm)->maxauthsize >> 2;

	if ((authsize>>2) < 1 || (authsize>>2) > max || (authsize & 3))
		return -EINVAL;
	return aead_setup(tfm, authsize);
}

static int aead_setkey(struct crypto_aead *tfm, const u8 *key,
			unsigned int keylen)
{
	struct ixp_ctx *ctx = crypto_aead_ctx(tfm);
	struct rtattr *rta = (struct rtattr *)key;
	struct crypto_authenc_key_param *param;

	if (!RTA_OK(rta, keylen))
		goto badkey;
	if (rta->rta_type != CRYPTO_AUTHENC_KEYA_PARAM)
		goto badkey;
	if (RTA_PAYLOAD(rta) < sizeof(*param))
		goto badkey;

	param = RTA_DATA(rta);
	ctx->enckey_len = be32_to_cpu(param->enckeylen);

	key += RTA_ALIGN(rta->rta_len);
	keylen -= RTA_ALIGN(rta->rta_len);

	if (keylen < ctx->enckey_len)
		goto badkey;

	ctx->authkey_len = keylen - ctx->enckey_len;
	memcpy(ctx->enckey, key + ctx->authkey_len, ctx->enckey_len);
	memcpy(ctx->authkey, key, ctx->authkey_len);

	return aead_setup(tfm, crypto_aead_authsize(tfm));
badkey:
	ctx->enckey_len = 0;
	crypto_aead_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
	return -EINVAL;
}

static int aead_encrypt(struct aead_request *req)
{
	unsigned ivsize = crypto_aead_ivsize(crypto_aead_reqtfm(req));
	return aead_perform(req, 1, req->assoclen + ivsize,
			req->cryptlen, req->iv);
}

static int aead_decrypt(struct aead_request *req)
{
	unsigned ivsize = crypto_aead_ivsize(crypto_aead_reqtfm(req));
	return aead_perform(req, 0, req->assoclen + ivsize,
			req->cryptlen, req->iv);
}

static int aead_givencrypt(struct aead_givcrypt_request *req)
{
	struct crypto_aead *tfm = aead_givcrypt_reqtfm(req);
	struct ixp_ctx *ctx = crypto_aead_ctx(tfm);
	unsigned len, ivsize = crypto_aead_ivsize(tfm);
	__be64 seq;

	/* copied from eseqiv.c */
	if (!ctx->salted) {
		get_random_bytes(ctx->salt, ivsize);
		ctx->salted = 1;
	}
	memcpy(req->areq.iv, ctx->salt, ivsize);
	len = ivsize;
	if (ivsize > sizeof(u64)) {
		memset(req->giv, 0, ivsize - sizeof(u64));
		len = sizeof(u64);
	}
	seq = cpu_to_be64(req->seq);
	memcpy(req->giv + ivsize - len, &seq, len);
	return aead_perform(&req->areq, 1, req->areq.assoclen,
			req->areq.cryptlen +ivsize, req->giv);
}

static struct ixp_alg ixp4xx_algos[] = {
{
	.crypto	= {
		.cra_name	= "cbc(des)",
		.cra_blocksize	= DES_BLOCK_SIZE,
		.cra_u		= { .ablkcipher = {
			.min_keysize	= DES_KEY_SIZE,
			.max_keysize	= DES_KEY_SIZE,
			.ivsize		= DES_BLOCK_SIZE,
			.geniv		= "eseqiv",
			}
		}
	},
	.cfg_enc = CIPH_ENCR | MOD_DES | MOD_CBC_ENC | KEYLEN_192,
	.cfg_dec = CIPH_DECR | MOD_DES | MOD_CBC_DEC | KEYLEN_192,

}, {
	.crypto	= {
		.cra_name	= "ecb(des)",
		.cra_blocksize	= DES_BLOCK_SIZE,
		.cra_u		= { .ablkcipher = {
			.min_keysize	= DES_KEY_SIZE,
			.max_keysize	= DES_KEY_SIZE,
			}
		}
	},
	.cfg_enc = CIPH_ENCR | MOD_DES | MOD_ECB | KEYLEN_192,
	.cfg_dec = CIPH_DECR | MOD_DES | MOD_ECB | KEYLEN_192,
}, {
	.crypto	= {
		.cra_name	= "cbc(des3_ede)",
		.cra_blocksize	= DES3_EDE_BLOCK_SIZE,
		.cra_u		= { .ablkcipher = {
			.min_keysize	= DES3_EDE_KEY_SIZE,
			.max_keysize	= DES3_EDE_KEY_SIZE,
			.ivsize		= DES3_EDE_BLOCK_SIZE,
			.geniv		= "eseqiv",
			}
		}
	},
	.cfg_enc = CIPH_ENCR | MOD_3DES | MOD_CBC_ENC | KEYLEN_192,
	.cfg_dec = CIPH_DECR | MOD_3DES | MOD_CBC_DEC | KEYLEN_192,
}, {
	.crypto	= {
		.cra_name	= "ecb(des3_ede)",
		.cra_blocksize	= DES3_EDE_BLOCK_SIZE,
		.cra_u		= { .ablkcipher = {
			.min_keysize	= DES3_EDE_KEY_SIZE,
			.max_keysize	= DES3_EDE_KEY_SIZE,
			}
		}
	},
	.cfg_enc = CIPH_ENCR | MOD_3DES | MOD_ECB | KEYLEN_192,
	.cfg_dec = CIPH_DECR | MOD_3DES | MOD_ECB | KEYLEN_192,
}, {
	.crypto	= {
		.cra_name	= "cbc(aes)",
		.cra_blocksize	= AES_BLOCK_SIZE,
		.cra_u		= { .ablkcipher = {
			.min_keysize	= AES_MIN_KEY_SIZE,
			.max_keysize	= AES_MAX_KEY_SIZE,
			.ivsize		= AES_BLOCK_SIZE,
			.geniv		= "eseqiv",
			}
		}
	},
	.cfg_enc = CIPH_ENCR | MOD_AES | MOD_CBC_ENC,
	.cfg_dec = CIPH_DECR | MOD_AES | MOD_CBC_DEC,
}, {
	.crypto	= {
		.cra_name	= "ecb(aes)",
		.cra_blocksize	= AES_BLOCK_SIZE,
		.cra_u		= { .ablkcipher = {
			.min_keysize	= AES_MIN_KEY_SIZE,
			.max_keysize	= AES_MAX_KEY_SIZE,
			}
		}
	},
	.cfg_enc = CIPH_ENCR | MOD_AES | MOD_ECB,
	.cfg_dec = CIPH_DECR | MOD_AES | MOD_ECB,
}, {
	.crypto	= {
		.cra_name	= "ctr(aes)",
		.cra_blocksize	= AES_BLOCK_SIZE,
		.cra_u		= { .ablkcipher = {
			.min_keysize	= AES_MIN_KEY_SIZE,
			.max_keysize	= AES_MAX_KEY_SIZE,
			.ivsize		= AES_BLOCK_SIZE,
			.geniv		= "eseqiv",
			}
		}
	},
	.cfg_enc = CIPH_ENCR | MOD_AES | MOD_CTR,
	.cfg_dec = CIPH_ENCR | MOD_AES | MOD_CTR,
}, {
	.crypto	= {
		.cra_name	= "rfc3686(ctr(aes))",
		.cra_blocksize	= AES_BLOCK_SIZE,
		.cra_u		= { .ablkcipher = {
			.min_keysize	= AES_MIN_KEY_SIZE,
			.max_keysize	= AES_MAX_KEY_SIZE,
			.ivsize		= AES_BLOCK_SIZE,
			.geniv		= "eseqiv",
			.setkey		= ablk_rfc3686_setkey,
			.encrypt	= ablk_rfc3686_crypt,
			.decrypt	= ablk_rfc3686_crypt }
		}
	},
	.cfg_enc = CIPH_ENCR | MOD_AES | MOD_CTR,
	.cfg_dec = CIPH_ENCR | MOD_AES | MOD_CTR,
}, {
	.crypto	= {
		.cra_name	= "authenc(hmac(md5),cbc(des))",
		.cra_blocksize	= DES_BLOCK_SIZE,
		.cra_u		= { .aead = {
			.ivsize		= DES_BLOCK_SIZE,
			.maxauthsize	= MD5_DIGEST_SIZE,
			}
		}
	},
	.hash = &hash_alg_md5,
	.cfg_enc = CIPH_ENCR | MOD_DES | MOD_CBC_ENC | KEYLEN_192,
	.cfg_dec = CIPH_DECR | MOD_DES | MOD_CBC_DEC | KEYLEN_192,
}, {
	.crypto	= {
		.cra_name	= "authenc(hmac(md5),cbc(des3_ede))",
		.cra_blocksize	= DES3_EDE_BLOCK_SIZE,
		.cra_u		= { .aead = {
			.ivsize		= DES3_EDE_BLOCK_SIZE,
			.maxauthsize	= MD5_DIGEST_SIZE,
			}
		}
	},
	.hash = &hash_alg_md5,
	.cfg_enc = CIPH_ENCR | MOD_3DES | MOD_CBC_ENC | KEYLEN_192,
	.cfg_dec = CIPH_DECR | MOD_3DES | MOD_CBC_DEC | KEYLEN_192,
}, {
	.crypto	= {
		.cra_name	= "authenc(hmac(sha1),cbc(des))",
		.cra_blocksize	= DES_BLOCK_SIZE,
		.cra_u		= { .aead = {
			.ivsize		= DES_BLOCK_SIZE,
			.maxauthsize	= SHA1_DIGEST_SIZE,
			}
		}
	},
	.hash = &hash_alg_sha1,
	.cfg_enc = CIPH_ENCR | MOD_DES | MOD_CBC_ENC | KEYLEN_192,