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68f6800ce0
Currently, OpenCrypto consumers can request asynchronous dispatch by setting a flag in the cryptop. (Currently only IPSec may do this.) I think this is a bit confusing: we (conditionally) set cryptop flags to request async dispatch, and then crypto_dispatch() immediately examines those flags to see if the consumer wants async dispatch. The flag names are also confusing since they don't specify what "async" applies to: dispatch or completion. Add a new KPI, crypto_dispatch_async(), rather than encoding the requested dispatch type in each cryptop. crypto_dispatch_async() falls back to crypto_dispatch() if the session's driver provides asynchronous dispatch. Get rid of CRYPTOP_ASYNC() and CRYPTOP_ASYNC_KEEPORDER(). Similarly, add crypto_dispatch_batch() to request processing of a tailq of cryptops, rather than encoding the scheduling policy using cryptop flags. Convert GELI, the only user of this interface (disabled by default) to use the new interface. Add CRYPTO_SESS_SYNC(), which can be used by consumers to determine whether crypto requests will be dispatched synchronously. This is just a helper macro. Use it instead of looking at cap flags directly. Fix style in crypto_done(). Also get rid of CRYPTO_RETW_EMPTY() and just check the relevant queues directly. This could result in some unnecessary wakeups but I think it's very uncommon to be using more than one queue per worker in a given workload, so checking all three queues is a waste of cycles. Reviewed by: jhb Sponsored by: Ampere Computing Submitted by: Klara, Inc. MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D28194 |
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| .. | ||
| ah.h | ||
| ah_var.h | ||
| esp.h | ||
| esp_var.h | ||
| ipcomp.h | ||
| ipcomp_var.h | ||
| ipsec.c | ||
| ipsec.h | ||
| ipsec6.h | ||
| ipsec_input.c | ||
| ipsec_mbuf.c | ||
| ipsec_mod.c | ||
| ipsec_output.c | ||
| ipsec_pcb.c | ||
| ipsec_support.h | ||
| key.c | ||
| key.h | ||
| key_debug.c | ||
| key_debug.h | ||
| key_var.h | ||
| keydb.h | ||
| keysock.c | ||
| keysock.h | ||
| subr_ipsec.c | ||
| udpencap.c | ||
| xform.h | ||
| xform_ah.c | ||
| xform_esp.c | ||
| xform_ipcomp.c | ||
| xform_tcp.c | ||