On 2015-05-27 23:33, Phil Sutter wrote:
On Wed, May 27, 2015 at 10:36:29PM +0100, Gordan Bobic wrote:
What do I need to change in which file to disable 0-copy?
Have a look at main.c, line 239:
| if (cop->flags & COP_FLAG_NO_ZC)
| ret = __crypto_run_std(ses_ptr, &kcop->cop);
| else
| ret = __crypto_run_zc(ses_ptr, kcop);
Changing the first line to 'if (1)' should suffice.
I did that and the problem persists:
# ./hmac_comp
requested cipher CRYPTO_AES_CBC and mac CRYPTO_SHA1_HMAC, got cipher
cbc(aes) with driver mv-cbc-aes and hash hmac(sha1) with driver
mv-hmac-sha1
fail for datalen 0x10, MACs do not match!
wrong mac:
\xd7\xd1\xa6\xef\x0a\x38\xe1\x09\x45\xe1\x8b\x48\x88\xaa\xa9\x23\x4c\xd4\x67\xd1
right mac:
\xd7\xd1\xa6\xef\x0a\x38\xe1\x09\x45\xe1\x8b\x48\x88\xaa\xa9\x23\x4c\xd4\x67\xd1
test_crypto() failed for datalen of 16
And ssh still fails with the same symptoms when using an
offloadable algorithm with cryptodev disabled.
Does that mean it is not a 0-copy related problem?
Gordan
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