crypto: cryptd - Add cryptd_max_cpu_qlen module parameter (c3a53605) · Commits · 戴 / test

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 <jmaxwell37@gmail.com> Signed-off-by:

Herbert Xu <herbert@gondor.apana.org.au>

crypto/cryptd.c

+5 −2

Original line number	Diff line number	Diff line
		@@ -32,7 +32,9 @@
		#include <linux/sched.h>
		#include <linux/slab.h>

		#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;

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