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

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
...@@ -32,7 +32,9 @@ ...@@ -32,7 +32,9 @@
#include <linux/sched.h> #include <linux/sched.h>
#include <linux/slab.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 cryptd_cpu_queue {
struct crypto_queue queue; struct crypto_queue queue;
...@@ -116,6 +118,7 @@ static int cryptd_init_queue(struct cryptd_queue *queue, ...@@ -116,6 +118,7 @@ static int cryptd_init_queue(struct cryptd_queue *queue,
crypto_init_queue(&cpu_queue->queue, max_cpu_qlen); crypto_init_queue(&cpu_queue->queue, max_cpu_qlen);
INIT_WORK(&cpu_queue->work, cryptd_queue_worker); INIT_WORK(&cpu_queue->work, cryptd_queue_worker);
} }
pr_info("cryptd: max_cpu_qlen set to %d\n", max_cpu_qlen);
return 0; return 0;
} }
...@@ -1372,7 +1375,7 @@ static int __init cryptd_init(void) ...@@ -1372,7 +1375,7 @@ static int __init cryptd_init(void)
{ {
int err; int err;
err = cryptd_init_queue(&queue, CRYPTD_MAX_CPU_QLEN); err = cryptd_init_queue(&queue, cryptd_max_cpu_qlen);
if (err) if (err)
return err; return err;
......
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