branch Attitude Adjustment

git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@33625 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 514 insertions, 0 deletions

diff --git a/target/linux/generic/files/crypto/ocf/ocf-bench.c b/target/linux/generic/files/crypto/ocf/ocf-bench.c
new file mode 100644
index 000000000..f3fe9d0e9
--- /dev/null
+++ b/target/linux/generic/files/crypto/ocf/ocf-bench.c
@@ -0,0 +1,514 @@
+/*
+ * 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("BSD");
+MODULE_AUTHOR("David McCullough <david_mccullough@mcafee.com>");
+MODULE_DESCRIPTION("Benchmark various in-kernel crypto speeds");