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change 38496
o add ipsec_osdep.h that holds os-specific definitions for portability
o s/KASSERT/IPSEC_ASSERT/ for portability
o s/SPLASSERT/IPSEC_SPLASSERT/ for portability
o remove function names from ASSERT strings since line#+file pinpints
the location
o use __func__ uniformly to reduce string storage
o convert some random #ifdef DIAGNOSTIC code to assertions
o remove some debuggging assertions no longer needed
change 38498
o replace numerous bogus panic's with equally bogus assertions
that at least go away on a production system
change 38502 + 38530
o change explicit mtx operations to #defines to simplify
future changes to a different lock type
change 38531
o hookup ipv4 ctlinput paths to a noop routine; we should be
handling path mtu changes at least
o correct potential null pointer deref in ipsec4_common_input_cb
chnage 38685
o fix locking for bundled SA's and for when key exchange is required
change 38770
o eliminate recursion on the SAHTREE lock
change 38804
o cleanup some types: long -> time_t
o remove refrence to dead #define
change 38805
o correct some types: long -> time_t
o add scan generation # to secpolicy to deal with locking issues
change 38806
o use LIST_FOREACH_SAFE instead of handrolled code
o change key_flush_spd to drop the sptree lock before purging
an entry to avoid lock recursion and to avoid holding the lock
over a long-running operation
o misc cleanups of tangled and twisty code
There is still much to do here but for now things look to be
working again.
Supported by: FreeBSD Foundation
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o add locking
o strip irrelevant spl's
o split malloc types to better account for memory use
o remove unused IPSEC_NONBLOCK_ACQUIRE code
o remove dead code
Sponsored by: FreeBSD Foundation
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for crypto operations that indicates the crypto code should do the check
in crypto_done
MFC after: 1 day
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mark crypto requests with ``callback immediately'' to avoid doing a context
switch to return crypto results. This completes the work to eliminate
context switches for using software crypto via the crypto subsystem (with
symmetric crypto ops).
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should be done in crypto_done rather than in the callback thread
o use this flag to mark operations from /dev/crypto since the callback
routine just does a wakeup; this eliminates the last unneeded ctx switch
o change CRYPTO_F_NODELAY to CRYPTO_F_BATCH with an inverted meaning
so "0" becomes the default/desired setting (needed for user-mode
compatibility with openbsd)
o change crypto_dispatch to honor CRYPTO_F_BATCH instead of always
dispatching immediately
o remove uses of CRYPTO_F_NODELAY
o define COP_F_BATCH for ops submitted through /dev/crypto and pass
this on to the op that is submitted
Similar changes and more eventually coming for asymmetric ops.
MFC if re gives approval.
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from the KAME IPsec implementation, but with heavy borrowing and influence
of openbsd. A key feature of this implementation is that it uses the kernel
crypto framework to do all crypto work so when h/w crypto support is present
IPsec operation is automatically accelerated. Otherwise the protocol
implementations are rather differet while the SADB and policy management
code is very similar to KAME (for the moment).
Note that this implementation is enabled with a FAST_IPSEC option. With this
you get all protocols; i.e. there is no FAST_IPSEC_ESP option.
FAST_IPSEC and IPSEC are mutually exclusive; you cannot build both into a
single system.
This software is well tested with IPv4 but should be considered very
experimental (i.e. do not deploy in production environments). This software
does NOT currently support IPv6. In fact do not configure FAST_IPSEC and
INET6 in the same system.
Obtained from: KAME + openbsd
Supported by: Vernier Networks
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