On Wed, Oct 05, 2016 at 09:56:31AM +0200, Romain Perier wrote: > This series contain performance improvement regarding ahash requests. > So far, ahash requests were systematically not chained at the DMA level. > However, in some case, like this is the case by using IPSec, some ahash > requests can be processed directly by the engine, and don't have > intermediaire partial update states. > > This series firstly re-work the way outer IVs are copied from the SRAM > into the dma pool. To do so, we introduce a common dma pool for all type > of requests that contains outer results (like IV or digest). Then, for > ahash requests that can be processed directly by the engine, outer > results are copied from the SRAM into the common dma pool. These requests > are then allowed to be chained at the DMA level. > > > Benchmarking results with iperf throught IPSec > ============================================== > ESP AH > > Before 343 Mbits/s 492 Mbits/s > After 422 Mbits/s 577 Mbits/s > Improvement +23% +17% > > Romain Perier (2): > crypto: marvell - Use an unique pool to copy results of requests > crypto: marvell - Don't break chain for computable last ahash requests > > drivers/crypto/marvell/cesa.c | 4 --- > drivers/crypto/marvell/cesa.h | 5 ++-- > drivers/crypto/marvell/cipher.c | 8 +++-- > drivers/crypto/marvell/hash.c | 65 +++++++++++++++++++++++++++++++---------- > drivers/crypto/marvell/tdma.c | 28 +++++++++--------- > 5 files changed, 70 insertions(+), 40 deletions(-) All applied. Thanks. -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
