[PATCH net-next] cryptd: Add cryptd_max_cpu_qlen module parameter
From: Jon Maxwell <hidden>
Date: 2017-11-22 05:08:50
Also in:
lkml
Subsystem:
crypto api, the rest · Maintainers:
Herbert Xu, "David S. Miller", Linus Torvalds
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 <redacted> --- 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 <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;
--
2.13.6