From: Jon Maxwell Subject: [PATCH net-next] cryptd: Add cryptd_max_cpu_qlen module parameter Date: Wed, 22 Nov 2017 16:08:17 +1100 Message-ID: <20171122050817.21385-1-jmaxwell37@gmail.com> Cc: linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, jmaxwell@redhat.com, Jon Maxwell To: herbert@gondor.apana.org.au, davem@davemloft.net Return-path: Received: from mail-pf0-f195.google.com ([209.85.192.195]:36213 "EHLO mail-pf0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750959AbdKVFIs (ORCPT ); Wed, 22 Nov 2017 00:08:48 -0500 Sender: linux-crypto-owner@vger.kernel.org List-ID: Make the cryptd queue length configurable. We recently had customer where this needed to be tuned to accommodate the aesni_intel module and prevent packet drop. Signed-off-by: Jon Maxwell --- crypto/cryptd.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/crypto/cryptd.c b/crypto/cryptd.c index bd43cf5be14c..b1eb131c0f10 100644 --- a/crypto/cryptd.c +++ b/crypto/cryptd.c @@ -32,7 +32,9 @@ #include #include -#define CRYPTD_MAX_CPU_QLEN 1000 +unsigned int cryptd_max_cpu_qlen = 1000; +module_param(cryptd_max_cpu_qlen, uint, 0); +MODULE_PARM_DESC(cryptd_max_cpu_qlen, "Set cryptd Max queue depth"); struct cryptd_cpu_queue { struct crypto_queue queue; @@ -116,6 +118,7 @@ static int cryptd_init_queue(struct cryptd_queue *queue, crypto_init_queue(&cpu_queue->queue, max_cpu_qlen); INIT_WORK(&cpu_queue->work, cryptd_queue_worker); } + pr_info("cryptd: max_cpu_qlen set to %d\n", max_cpu_qlen); return 0; } @@ -1372,7 +1375,7 @@ static int __init cryptd_init(void) { int err; - err = cryptd_init_queue(&queue, CRYPTD_MAX_CPU_QLEN); + err = cryptd_init_queue(&queue, cryptd_max_cpu_qlen); if (err) return err; -- 2.13.6