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| author | Jon Maxwell <jmaxwell37@gmail.com> | 2017-11-22 16:08:17 +1100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-11-29 17:33:31 +1100 |
| commit | c3a536056374ef8412c7ffa13790303ec02d8f46 (patch) | |
| tree | c95ac71c85b529c36dad3c6ea82987b5de800009 /crypto/cryptd.c | |
| parent | 019cd46984d04703a39924178f503a98436ac0d7 (diff) | |
| download | lwn-c3a536056374ef8412c7ffa13790303ec02d8f46.tar.gz lwn-c3a536056374ef8412c7ffa13790303ec02d8f46.zip | |
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: Jon Maxwell <jmaxwell37@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/cryptd.c')
| -rw-r--r-- | crypto/cryptd.c | 7 |
1 files 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; |