Unloading and reloading DPAA2_CAAM fails OpenSSL offloading

bezeria — Mon, 02 Mar 2026 15:03:29 GMT

In LX2160ARDB , I am trying to work with DPSEC. I first do:

modprobe dpaa2_caam
modprobe cryptodev

and openssl is correctly offloaded to DPSEC.

Later on I unload and recreate dpaa2_cam:

modprobe -r dpaa2_caam
modprobe -r cryptodev
restool dpseci destroy dpseci.0
restool dpseci create --num-queues=16 --priorities=1,1,1,1,1,1,1,1,,1,1,1,1,1,1,1,1
modprobe dpaa2_caam
modprobe cryptodev

Then run OpenSSL to see which functions are accelerated:

root@lx2160ardb:~# openssl engine -pre DUMP_INFO devcrypto
(devcrypto) /dev/crypto engine
Information about ciphers supported by the /dev/crypto engine:
Cipher DES-CBC, NID=31, /dev/crypto info: id=1, driver=cbc(ecb(des-generic)) (software)
Cipher DES-EDE3-CBC, NID=44, /dev/crypto info: id=2, driver=cbc(ecb(des3_ede-generic)) (software)
Cipher BF-CBC, NID=91, /dev/crypto info: id=3, CIOCGSESSION (session open call) failed
Cipher CAST5-CBC, NID=108, /dev/crypto info: id=4, CIOCGSESSION (session open call) failed
Cipher AES-128-CBC, NID=419, /dev/crypto info: id=11, driver=cbc-aes-ce (software)
Cipher AES-192-CBC, NID=423, /dev/crypto info: id=11, driver=cbc-aes-ce (software)
Cipher AES-256-CBC, NID=427, /dev/crypto info: id=11, driver=cbc-aes-ce (software)
Cipher AES-128-CBC-HMAC-SHA1, NID=916, /dev/crypto info: id=108, CIOCGSESSION (session open call) failed
Cipher AES-256-CBC-HMAC-SHA1, NID=918, /dev/crypto info: id=108, CIOCGSESSION (session open call) failed
Cipher AES-128-CBC-HMAC-SHA256, NID=948, /dev/crypto info: id=109, CIOCGSESSION (session open call) failed
Cipher AES-256-CBC-HMAC-SHA256, NID=950, /dev/crypto info: id=109, CIOCGSESSION (session open call) failed
Cipher RC4, NID=5, /dev/crypto info: id=12, CIOCGSESSION (session open call) failed
Cipher AES-128-CTR, NID=904, /dev/crypto info: id=21, driver=ctr-aes-ce (software)
Cipher AES-192-CTR, NID=905, /dev/crypto info: id=21, driver=ctr-aes-ce (software)
Cipher AES-256-CTR, NID=906, /dev/crypto info: id=21, driver=ctr-aes-ce (software)
Cipher AES-128-ECB, NID=418, /dev/crypto info: id=23, driver=ecb-aes-ce (software)
Cipher AES-192-ECB, NID=422, /dev/crypto info: id=23, driver=ecb-aes-ce (software)
Cipher AES-256-ECB, NID=426, /dev/crypto info: id=23, driver=ecb-aes-ce (software)
Cipher CAMELLIA-128-CBC, NID=751, /dev/crypto info: id=101, CIOCGSESSION (session open call) failed
Cipher CAMELLIA-192-CBC, NID=752, /dev/crypto info: id=101, CIOCGSESSION (session open call) failed
Cipher CAMELLIA-256-CBC, NID=753, /dev/crypto info: id=101, CIOCGSESSION (session open call) failed

Information about digests supported by the /dev/crypto engine:
Digest MD5, NID=4, /dev/crypto info: id=13, driver=md5-generic (software), CIOCCPHASH capable
Digest SHA1, NID=64, /dev/crypto info: id=14, driver=sha1-ce (software), CIOCCPHASH capable
Digest RIPEMD160, NID=117, /dev/crypto info: id=102, driver=unknown. CIOCGSESSION (session open) failed
Digest SHA224, NID=675, /dev/crypto info: id=103, driver=sha224-ce (software), CIOCCPHASH capable
Digest SHA256, NID=672, /dev/crypto info: id=104, driver=sha256-ce (software), CIOCCPHASH capable
Digest SHA384, NID=673, /dev/crypto info: id=105, driver=sha384-generic (software), CIOCCPHASH capable
Digest SHA512, NID=674, /dev/crypto info: id=106, driver=sha512-generic (software), CIOCCPHASH capable

As you can see, the crypto operations are no longer HW offloaded and fallback to software version.

Re: Unloading and reloading DPAA2_CAAM fails OpenSSL offloading

June_Lu — Fri, 06 Mar 2026 11:27:24 GMT

Please kindly try the commands below:

modprobe dpaa2_caam

restool dpseci destroy dpseci.0

restool dpseci create --num-queues=16 --priorities=1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1

restool dprc assign dprc.1 --object=dpseci.0 --plugged=1

modprobe cryptodev

grep caam /proc/crypto

Thanks

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Unloading and reloading DPAA2_CAAM fails OpenSSL offloading

Re: Unloading and reloading DPAA2_CAAM fails OpenSSL offloading