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Commit c3a53605 authored by Jon Maxwell's avatar Jon Maxwell Committed by Herbert Xu
Browse files

crypto: cryptd - Add cryptd_max_cpu_qlen module parameter 



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: default avatarJon Maxwell <jmaxwell37@gmail.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 019cd469

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;