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enabling interrupts when the command queue has more than one entry.
- fix comment on hifn_newsession to reflect reality
- allocate session structure in softc
- compute a random IV when a session is created and try to chain from a
software kept IV for subsequent packets
- add handling of CRD_F_EXPLICIT
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300 clock penalty on key upload)
XXX hifn_freesession should probably zot the keys from context ram but
XXX does not yet.
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define HIFN_MAC_CMD_RESULT bit (append MAC to result buffer)
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- remove all ability to block (no more tsleep/wakeup)
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o register the hifn as handling DES and 3DES (no md5 or sha1 yet) depending
on whether the board is unlocked (none, half, or full)
o Fix many KNF nits
o print the amount of memory correctly and don't print the number of sessions
o set command and result buffer sizes correctly
o reclaim the descriptor rings so new commands and buffers can be added
o remove some bogus checks on the command buffer
o add new variables mac_process_len and crypt_process_len to hifn_command_t
o fix calculation in hifn_mbuf to generate the pa/len array for src/dst
o simplify the code for setting up the jump descriptor
o rework the hifn_intr routine to interrupt at IPL_IMP and simplify it's
results processing
o more to come...
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Attempt to figure out how much context ram is on the board (known to work
with sram boards).
From the amount of ram & other configuration, figure out how many sessions
are available for storage.
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reverse engineering of an unlock binary provided by Invertex, for their AEON card, which uses the chip
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