| Commit message (Collapse) | Author | Age | Files | Lines |
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o make all crypto drivers have a device_t; pseudo drivers like the s/w
crypto driver synthesize one
o change the api between the crypto subsystem and drivers to use kobj;
cryptodev_if.m defines this api
o use the fact that all crypto drivers now have a device_t to add support
for specifying which of several potential devices to use when doing
crypto operations
o add new ioctls that allow user apps to select a specific crypto device
to use (previous ioctls maintained for compatibility)
o overhaul crypto subsystem code to eliminate lots of cruft and hide
implementation details from drivers
o bring in numerous fixes from Michale Richardson/hifn; mostly for
795x parts
o add an optional mechanism for mmap'ing the hifn 795x public key h/w
to user space for use by openssl (not enabled by default)
o update crypto test tools to use new ioctl's and add cmd line options
to specify a device to use for tests
These changes will also enable much future work on improving the core
crypto subsystem; including proper load balancing and interposing code
between the core and drivers to dispatch small operations to the s/w
driver as appropriate.
These changes were instigated by the work of Michael Richardson.
Reviewed by: pjd
Approved by: re
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bus_setup_intr()
o add an int return code to all fast handlers
o retire INTR_FAST/IH_FAST
For more info: http://docs.freebsd.org/cgi/getmsg.cgi?fetch=465712+0+current/freebsd-current
Reviewed by: many
Approved by: re@
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HMAC. crp_mac is going to be removed.
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Reviewed by: sam
Tested on: hifn(4), ubsec(4)
Compile-tested: safe(4)
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unnecessary.
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o rework pll setup code to follow h/w specification
o add hint.hifn.X.pllconfig to specify reference clock setup
requirements; default is pci66 which means the clock is
derived from the PCI bus clock and the card resides in a
66MHz slot
Tested on 7955 and 7956 cards; support for 7954 cards not enabled
since we have no cards to test against.
In collaboration with Poul-Henning Kamp.
Reviewed by: phk
MFC after: 1 week
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constrained to a small number of sessions by the small on-card memories found
in newer devices. This is really a stopgap solution as having session state
in main memory incurs a (small but noticeable) performance penalty. The better
solution is to manage session state so that it's cached on chip.
Obtained from: openbsd
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in <sys/cdefs.h> for compilers without support for inline.
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Submitted by: Mark Santcroos <marks@ripe.net>
Reviewed by: imp, dfr, bde
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This may not be a generally valid configuration, but neither is relying
on the PCI clock to be stable.
The only currently known and supported hardware is the VPN14x1 from
Soekris, and since it has external clock, we fail safe(r) by using
it.
Unfortunately there is no way to probe this reliably.
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operation, just like it was possible to change the IV.
Currently supported on Hifn and software engines only.
Approved by: sam@
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Note performance is currently suboptimal.
Submitted by: Rajesh Vaidyanath <RVaidyanath@hifn.com>
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Glanced over by: imp, gibbs
Tested by: i386 LINT
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Also some minor style cleanups.
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tree for two or more years now), except in a few places where there's
code to be compatible with older versions of FreeBSD.
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use CALLOUT_MPSAFE instead of "1" for the second parameter. This
does not change the behaviour; it just makes the intent more clear.
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Add two new arguments to bus_dma_tag_create(): lockfunc and lockfuncarg.
Lockfunc allows a driver to provide a function for managing its locking
semantics while using busdma. At the moment, this is used for the
asynchronous busdma_swi and callback mechanism. Two lockfunc implementations
are provided: busdma_lock_mutex() performs standard mutex operations on the
mutex that is specified from lockfuncarg. dftl_lock() is a panic
implementation and is defaulted to when NULL, NULL are passed to
bus_dma_tag_create(). The only time that NULL, NULL should ever be used is
when the driver ensures that bus_dmamap_load() will not be deferred.
Drivers that do not provide their own locking can pass
busdma_lock_mutex,&Giant args in order to preserve the former behaviour.
sparc64 and powerpc do not provide real busdma_swi functions, so this is
largely a noop on those platforms. The busdma_swi on is64 is not properly
locked yet, so warnings will be emitted on this platform when busdma
callback deferrals happen.
If anyone gets panics or warnings from dflt_lock() being called, please
let me know right away.
Reviewed by: tmm, gibbs
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software crypto device:
o record crypto device capabilities in each session id
o add a capability that indicates if the crypto driver operates synchronously
o tag the software crypto driver as operating synchronously
This commit also introduces crypto session id macros that cleanup their
construction and querying.
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o adding locking to op submission
o mark interrupt handler MPSAFE
o don't use locking on detach; disabling interrupts should be sufficient
o change mutex string names so witness printouts are more meaningful
Note: locking is still pretty brute-force but it's probably not worth
improving it given the relatively low performance of hifn-based cards.
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conditional in each driver on foo_RNDTEST being defined_
o bring HIFN_DEBUG and UBSEC_DEBUG out to be visible options; they control
the debugging printfs that are set with hw.foo.debug (e.g. hw.hifn.debug)
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I was in the wrong tree
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Reviewed by: re (sort of, consider this part of my previous request)
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Approved by: trb
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Merge M_NOWAIT/M_DONTWAIT into a single flag M_NOWAIT.
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based on what I learned from the Broadcom h/w
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were sometimes propagated using M_COPY_PKTHDR which actually did
something between a "move" and a "copy" operation. This is replaced
by M_MOVE_PKTHDR (which copies the pkthdr contents and "removes" it
from the source mbuf) and m_dup_pkthdr which copies the packet
header contents including any m_tag chain. This corrects numerous
problems whereby mbuf tags could be lost during packet manipulations.
These changes also introduce arguments to m_tag_copy and m_tag_copy_chain
to specify if the tag copy work should potentially block. This
introduces an incompatibility with openbsd which we may want to revisit.
Note that move/dup of packet headers does not handle target mbufs
that have a cluster bound to them. We may want to support this;
for now we watch for it with an assert.
Finally, M_COPYFLAGS was updated to include M_FIRSTFRAG|M_LASTFRAG.
Supported by: Vernier Networks
Reviewed by: Robert Watson <rwatson@FreeBSD.org>
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into the kernel by default (if required), but other modules can now
depend() on this.
Fix inter-module dependancy.
Earlier version OK'ed by: sam
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this no longer happens for callbacks.
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cards. Claimed to support many others.
Obtained from: openbsd
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