diff options
Diffstat (limited to 'target/linux/generic/files/crypto/ocf/ocf-bench.c')
-rw-r--r-- | target/linux/generic/files/crypto/ocf/ocf-bench.c | 514 |
1 files changed, 0 insertions, 514 deletions
diff --git a/target/linux/generic/files/crypto/ocf/ocf-bench.c b/target/linux/generic/files/crypto/ocf/ocf-bench.c deleted file mode 100644 index a9a9538..0000000 --- a/target/linux/generic/files/crypto/ocf/ocf-bench.c +++ /dev/null @@ -1,514 +0,0 @@ -/* - * A loadable module that benchmarks the OCF crypto speed from kernel space. - * - * Copyright (C) 2004-2010 David McCullough <david_mccullough@mcafee.com> - * - * LICENSE TERMS - * - * The free distribution and use of this software in both source and binary - * form is allowed (with or without changes) provided that: - * - * 1. distributions of this source code include the above copyright - * notice, this list of conditions and the following disclaimer; - * - * 2. distributions in binary form include the above copyright - * notice, this list of conditions and the following disclaimer - * in the documentation and/or other associated materials; - * - * 3. the copyright holder's name is not used to endorse products - * built using this software without specific written permission. - * - * ALTERNATIVELY, provided that this notice is retained in full, this product - * may be distributed under the terms of the GNU General Public License (GPL), - * in which case the provisions of the GPL apply INSTEAD OF those given above. - * - * DISCLAIMER - * - * This software is provided 'as is' with no explicit or implied warranties - * in respect of its properties, including, but not limited to, correctness - * and/or fitness for purpose. - */ - - -#include <linux/version.h> -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38) && !defined(AUTOCONF_INCLUDED) -#include <linux/config.h> -#endif -#include <linux/module.h> -#include <linux/init.h> -#include <linux/list.h> -#include <linux/slab.h> -#include <linux/wait.h> -#include <linux/sched.h> -#include <linux/spinlock.h> -#include <linux/interrupt.h> -#include <cryptodev.h> - -#ifdef I_HAVE_AN_XSCALE_WITH_INTEL_SDK -#define BENCH_IXP_ACCESS_LIB 1 -#endif -#ifdef BENCH_IXP_ACCESS_LIB -#include <IxTypes.h> -#include <IxOsBuffMgt.h> -#include <IxNpeDl.h> -#include <IxCryptoAcc.h> -#include <IxQMgr.h> -#include <IxOsServices.h> -#include <IxOsCacheMMU.h> -#endif - -/* - * support for access lib version 1.4 - */ -#ifndef IX_MBUF_PRIV -#define IX_MBUF_PRIV(x) ((x)->priv) -#endif - -/* - * the number of simultaneously active requests - */ -static int request_q_len = 40; -module_param(request_q_len, int, 0); -MODULE_PARM_DESC(request_q_len, "Number of outstanding requests"); - -/* - * how many requests we want to have processed - */ -static int request_num = 1024; -module_param(request_num, int, 0); -MODULE_PARM_DESC(request_num, "run for at least this many requests"); - -/* - * the size of each request - */ -static int request_size = 1488; -module_param(request_size, int, 0); -MODULE_PARM_DESC(request_size, "size of each request"); - -/* - * OCF batching of requests - */ -static int request_batch = 1; -module_param(request_batch, int, 0); -MODULE_PARM_DESC(request_batch, "enable OCF request batching"); - -/* - * OCF immediate callback on completion - */ -static int request_cbimm = 1; -module_param(request_cbimm, int, 0); -MODULE_PARM_DESC(request_cbimm, "enable OCF immediate callback on completion"); - -/* - * a structure for each request - */ -typedef struct { - struct work_struct work; -#ifdef BENCH_IXP_ACCESS_LIB - IX_MBUF mbuf; -#endif - unsigned char *buffer; -} request_t; - -static request_t *requests; - -static spinlock_t ocfbench_counter_lock; -static int outstanding; -static int total; - -/*************************************************************************/ -/* - * OCF benchmark routines - */ - -static uint64_t ocf_cryptoid; -static unsigned long jstart, jstop; - -static int ocf_init(void); -static int ocf_cb(struct cryptop *crp); -static void ocf_request(void *arg); -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -static void ocf_request_wq(struct work_struct *work); -#endif - -static int -ocf_init(void) -{ - int error; - struct cryptoini crie, cria; - struct cryptodesc crda, crde; - - memset(&crie, 0, sizeof(crie)); - memset(&cria, 0, sizeof(cria)); - memset(&crde, 0, sizeof(crde)); - memset(&crda, 0, sizeof(crda)); - - cria.cri_alg = CRYPTO_SHA1_HMAC; - cria.cri_klen = 20 * 8; - cria.cri_key = "0123456789abcdefghij"; - - //crie.cri_alg = CRYPTO_3DES_CBC; - crie.cri_alg = CRYPTO_AES_CBC; - crie.cri_klen = 24 * 8; - crie.cri_key = "0123456789abcdefghijklmn"; - - crie.cri_next = &cria; - - error = crypto_newsession(&ocf_cryptoid, &crie, - CRYPTOCAP_F_HARDWARE | CRYPTOCAP_F_SOFTWARE); - if (error) { - printk("crypto_newsession failed %d\n", error); - return -1; - } - return 0; -} - -static int -ocf_cb(struct cryptop *crp) -{ - request_t *r = (request_t *) crp->crp_opaque; - unsigned long flags; - - if (crp->crp_etype) - printk("Error in OCF processing: %d\n", crp->crp_etype); - crypto_freereq(crp); - crp = NULL; - - /* do all requests but take at least 1 second */ - spin_lock_irqsave(&ocfbench_counter_lock, flags); - total++; - if (total > request_num && jstart + HZ < jiffies) { - outstanding--; - spin_unlock_irqrestore(&ocfbench_counter_lock, flags); - return 0; - } - spin_unlock_irqrestore(&ocfbench_counter_lock, flags); - - schedule_work(&r->work); - return 0; -} - - -static void -ocf_request(void *arg) -{ - request_t *r = arg; - struct cryptop *crp = crypto_getreq(2); - struct cryptodesc *crde, *crda; - unsigned long flags; - - if (!crp) { - spin_lock_irqsave(&ocfbench_counter_lock, flags); - outstanding--; - spin_unlock_irqrestore(&ocfbench_counter_lock, flags); - return; - } - - crde = crp->crp_desc; - crda = crde->crd_next; - - crda->crd_skip = 0; - crda->crd_flags = 0; - crda->crd_len = request_size; - crda->crd_inject = request_size; - crda->crd_alg = CRYPTO_SHA1_HMAC; - crda->crd_key = "0123456789abcdefghij"; - crda->crd_klen = 20 * 8; - - crde->crd_skip = 0; - crde->crd_flags = CRD_F_IV_EXPLICIT | CRD_F_ENCRYPT; - crde->crd_len = request_size; - crde->crd_inject = request_size; - //crde->crd_alg = CRYPTO_3DES_CBC; - crde->crd_alg = CRYPTO_AES_CBC; - crde->crd_key = "0123456789abcdefghijklmn"; - crde->crd_klen = 24 * 8; - - crp->crp_ilen = request_size + 64; - crp->crp_flags = 0; - if (request_batch) - crp->crp_flags |= CRYPTO_F_BATCH; - if (request_cbimm) - crp->crp_flags |= CRYPTO_F_CBIMM; - crp->crp_buf = (caddr_t) r->buffer; - crp->crp_callback = ocf_cb; - crp->crp_sid = ocf_cryptoid; - crp->crp_opaque = (caddr_t) r; - crypto_dispatch(crp); -} - -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -static void -ocf_request_wq(struct work_struct *work) -{ - request_t *r = container_of(work, request_t, work); - ocf_request(r); -} -#endif - -static void -ocf_done(void) -{ - crypto_freesession(ocf_cryptoid); -} - -/*************************************************************************/ -#ifdef BENCH_IXP_ACCESS_LIB -/*************************************************************************/ -/* - * CryptoAcc benchmark routines - */ - -static IxCryptoAccCtx ixp_ctx; -static UINT32 ixp_ctx_id; -static IX_MBUF ixp_pri; -static IX_MBUF ixp_sec; -static int ixp_registered = 0; - -static void ixp_register_cb(UINT32 ctx_id, IX_MBUF *bufp, - IxCryptoAccStatus status); -static void ixp_perform_cb(UINT32 ctx_id, IX_MBUF *sbufp, IX_MBUF *dbufp, - IxCryptoAccStatus status); -static void ixp_request(void *arg); -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -static void ixp_request_wq(struct work_struct *work); -#endif - -static int -ixp_init(void) -{ - IxCryptoAccStatus status; - - ixp_ctx.cipherCtx.cipherAlgo = IX_CRYPTO_ACC_CIPHER_3DES; - ixp_ctx.cipherCtx.cipherMode = IX_CRYPTO_ACC_MODE_CBC; - ixp_ctx.cipherCtx.cipherKeyLen = 24; - ixp_ctx.cipherCtx.cipherBlockLen = IX_CRYPTO_ACC_DES_BLOCK_64; - ixp_ctx.cipherCtx.cipherInitialVectorLen = IX_CRYPTO_ACC_DES_IV_64; - memcpy(ixp_ctx.cipherCtx.key.cipherKey, "0123456789abcdefghijklmn", 24); - - ixp_ctx.authCtx.authAlgo = IX_CRYPTO_ACC_AUTH_SHA1; - ixp_ctx.authCtx.authDigestLen = 12; - ixp_ctx.authCtx.aadLen = 0; - ixp_ctx.authCtx.authKeyLen = 20; - memcpy(ixp_ctx.authCtx.key.authKey, "0123456789abcdefghij", 20); - - ixp_ctx.useDifferentSrcAndDestMbufs = 0; - ixp_ctx.operation = IX_CRYPTO_ACC_OP_ENCRYPT_AUTH ; - - IX_MBUF_MLEN(&ixp_pri) = IX_MBUF_PKT_LEN(&ixp_pri) = 128; - IX_MBUF_MDATA(&ixp_pri) = (unsigned char *) kmalloc(128, SLAB_ATOMIC); - IX_MBUF_MLEN(&ixp_sec) = IX_MBUF_PKT_LEN(&ixp_sec) = 128; - IX_MBUF_MDATA(&ixp_sec) = (unsigned char *) kmalloc(128, SLAB_ATOMIC); - - status = ixCryptoAccCtxRegister(&ixp_ctx, &ixp_pri, &ixp_sec, - ixp_register_cb, ixp_perform_cb, &ixp_ctx_id); - - if (IX_CRYPTO_ACC_STATUS_SUCCESS == status) { - while (!ixp_registered) - schedule(); - return ixp_registered < 0 ? -1 : 0; - } - - printk("ixp: ixCryptoAccCtxRegister failed %d\n", status); - return -1; -} - -static void -ixp_register_cb(UINT32 ctx_id, IX_MBUF *bufp, IxCryptoAccStatus status) -{ - if (bufp) { - IX_MBUF_MLEN(bufp) = IX_MBUF_PKT_LEN(bufp) = 0; - kfree(IX_MBUF_MDATA(bufp)); - IX_MBUF_MDATA(bufp) = NULL; - } - - if (IX_CRYPTO_ACC_STATUS_WAIT == status) - return; - if (IX_CRYPTO_ACC_STATUS_SUCCESS == status) - ixp_registered = 1; - else - ixp_registered = -1; -} - -static void -ixp_perform_cb( - UINT32 ctx_id, - IX_MBUF *sbufp, - IX_MBUF *dbufp, - IxCryptoAccStatus status) -{ - request_t *r = NULL; - unsigned long flags; - - /* do all requests but take at least 1 second */ - spin_lock_irqsave(&ocfbench_counter_lock, flags); - total++; - if (total > request_num && jstart + HZ < jiffies) { - outstanding--; - spin_unlock_irqrestore(&ocfbench_counter_lock, flags); - return; - } - - if (!sbufp || !(r = IX_MBUF_PRIV(sbufp))) { - printk("crappo %p %p\n", sbufp, r); - outstanding--; - spin_unlock_irqrestore(&ocfbench_counter_lock, flags); - return; - } - spin_unlock_irqrestore(&ocfbench_counter_lock, flags); - - schedule_work(&r->work); -} - -static void -ixp_request(void *arg) -{ - request_t *r = arg; - IxCryptoAccStatus status; - unsigned long flags; - - memset(&r->mbuf, 0, sizeof(r->mbuf)); - IX_MBUF_MLEN(&r->mbuf) = IX_MBUF_PKT_LEN(&r->mbuf) = request_size + 64; - IX_MBUF_MDATA(&r->mbuf) = r->buffer; - IX_MBUF_PRIV(&r->mbuf) = r; - status = ixCryptoAccAuthCryptPerform(ixp_ctx_id, &r->mbuf, NULL, - 0, request_size, 0, request_size, request_size, r->buffer); - if (IX_CRYPTO_ACC_STATUS_SUCCESS != status) { - printk("status1 = %d\n", status); - spin_lock_irqsave(&ocfbench_counter_lock, flags); - outstanding--; - spin_unlock_irqrestore(&ocfbench_counter_lock, flags); - return; - } - return; -} - -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) -static void -ixp_request_wq(struct work_struct *work) -{ - request_t *r = container_of(work, request_t, work); - ixp_request(r); -} -#endif - -static void -ixp_done(void) -{ - /* we should free the session here but I am lazy :-) */ -} - -/*************************************************************************/ -#endif /* BENCH_IXP_ACCESS_LIB */ -/*************************************************************************/ - -int -ocfbench_init(void) -{ - int i; - unsigned long mbps; - unsigned long flags; - - printk("Crypto Speed tests\n"); - - requests = kmalloc(sizeof(request_t) * request_q_len, GFP_KERNEL); - if (!requests) { - printk("malloc failed\n"); - return -EINVAL; - } - - for (i = 0; i < request_q_len; i++) { - /* +64 for return data */ -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) - INIT_WORK(&requests[i].work, ocf_request_wq); -#else - INIT_WORK(&requests[i].work, ocf_request, &requests[i]); -#endif - requests[i].buffer = kmalloc(request_size + 128, GFP_DMA); - if (!requests[i].buffer) { - printk("malloc failed\n"); - return -EINVAL; - } - memset(requests[i].buffer, '0' + i, request_size + 128); - } - - /* - * OCF benchmark - */ - printk("OCF: testing ...\n"); - if (ocf_init() == -1) - return -EINVAL; - - spin_lock_init(&ocfbench_counter_lock); - total = outstanding = 0; - jstart = jiffies; - for (i = 0; i < request_q_len; i++) { - spin_lock_irqsave(&ocfbench_counter_lock, flags); - outstanding++; - spin_unlock_irqrestore(&ocfbench_counter_lock, flags); - ocf_request(&requests[i]); - } - while (outstanding > 0) - schedule(); - jstop = jiffies; - - mbps = 0; - if (jstop > jstart) { - mbps = (unsigned long) total * (unsigned long) request_size * 8; - mbps /= ((jstop - jstart) * 1000) / HZ; - } - printk("OCF: %d requests of %d bytes in %d jiffies (%d.%03d Mbps)\n", - total, request_size, (int)(jstop - jstart), - ((int)mbps) / 1000, ((int)mbps) % 1000); - ocf_done(); - -#ifdef BENCH_IXP_ACCESS_LIB - /* - * IXP benchmark - */ - printk("IXP: testing ...\n"); - ixp_init(); - total = outstanding = 0; - jstart = jiffies; - for (i = 0; i < request_q_len; i++) { -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) - INIT_WORK(&requests[i].work, ixp_request_wq); -#else - INIT_WORK(&requests[i].work, ixp_request, &requests[i]); -#endif - spin_lock_irqsave(&ocfbench_counter_lock, flags); - outstanding++; - spin_unlock_irqrestore(&ocfbench_counter_lock, flags); - ixp_request(&requests[i]); - } - while (outstanding > 0) - schedule(); - jstop = jiffies; - - mbps = 0; - if (jstop > jstart) { - mbps = (unsigned long) total * (unsigned long) request_size * 8; - mbps /= ((jstop - jstart) * 1000) / HZ; - } - printk("IXP: %d requests of %d bytes in %d jiffies (%d.%03d Mbps)\n", - total, request_size, jstop - jstart, - ((int)mbps) / 1000, ((int)mbps) % 1000); - ixp_done(); -#endif /* BENCH_IXP_ACCESS_LIB */ - - for (i = 0; i < request_q_len; i++) - kfree(requests[i].buffer); - kfree(requests); - return -EINVAL; /* always fail to load so it can be re-run quickly ;-) */ -} - -static void __exit ocfbench_exit(void) -{ -} - -module_init(ocfbench_init); -module_exit(ocfbench_exit); - -MODULE_LICENSE("Dual BSD/GPL"); -MODULE_AUTHOR("David McCullough <david_mccullough@mcafee.com>"); -MODULE_DESCRIPTION("Benchmark various in-kernel crypto speeds"); |