ar71xx: use AR8327 on the DB120 board
[openwrt.git] / target / linux / generic / files / crypto / ocf / ocf-bench.c
index 8a3c40e..f3fe9d0 100644 (file)
 
 
 #include <linux/version.h>
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33))
-#include <generated/autoconf.h>
-#else
-#include <linux/autoconf.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>
@@ -43,7 +41,6 @@
 #include <linux/wait.h>
 #include <linux/sched.h>
 #include <linux/spinlock.h>
-#include <linux/version.h>
 #include <linux/interrupt.h>
 #include <cryptodev.h>
 
 /*
  * the number of simultaneously active requests
  */
-static int request_q_len = 20;
+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 = 1500;
+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
  */
@@ -99,6 +112,7 @@ typedef struct  {
 
 static request_t *requests;
 
+static spinlock_t ocfbench_counter_lock;
 static int outstanding;
 static int total;
 
@@ -108,6 +122,8 @@ static int total;
  */
 
 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);
@@ -131,13 +147,15 @@ ocf_init(void)
        cria.cri_klen = 20 * 8;
        cria.cri_key  = "0123456789abcdefghij";
 
-       crie.cri_alg  = CRYPTO_3DES_CBC;
+       //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, 0);
+       error = crypto_newsession(&ocf_cryptoid, &crie,
+                               CRYPTOCAP_F_HARDWARE | CRYPTOCAP_F_SOFTWARE);
        if (error) {
                printk("crypto_newsession failed %d\n", error);
                return -1;
@@ -149,23 +167,23 @@ 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);
-       total++;
        crypto_freereq(crp);
        crp = NULL;
 
-       if (total > request_num) {
+       /* 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);
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
-       INIT_WORK(&r->work, ocf_request_wq);
-#else
-       INIT_WORK(&r->work, ocf_request, r);
-#endif
        schedule_work(&r->work);
        return 0;
 }
@@ -177,9 +195,12 @@ 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;
        }
 
@@ -198,12 +219,17 @@ ocf_request(void *arg)
        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_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 = CRYPTO_F_CBIMM;
+       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;
@@ -220,6 +246,12 @@ ocf_request_wq(struct work_struct *work)
 }
 #endif
 
+static void
+ocf_done(void)
+{
+       crypto_freesession(ocf_cryptoid);
+}
+
 /*************************************************************************/
 #ifdef BENCH_IXP_ACCESS_LIB
 /*************************************************************************/
@@ -306,24 +338,25 @@ ixp_perform_cb(
        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) {
+       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);
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
-       INIT_WORK(&r->work, ixp_request_wq);
-#else
-       INIT_WORK(&r->work, ixp_request, r);
-#endif
        schedule_work(&r->work);
 }
 
@@ -332,6 +365,7 @@ 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;
@@ -341,7 +375,9 @@ ixp_request(void *arg)
                        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;
@@ -356,6 +392,12 @@ ixp_request_wq(struct work_struct *work)
 }
 #endif
 
+static void
+ixp_done(void)
+{
+       /* we should free the session here but I am lazy :-) */
+}
+
 /*************************************************************************/
 #endif /* BENCH_IXP_ACCESS_LIB */
 /*************************************************************************/
@@ -363,7 +405,9 @@ ixp_request_wq(struct work_struct *work)
 int
 ocfbench_init(void)
 {
-       int i, jstart, jstop;
+       int i;
+       unsigned long mbps;
+       unsigned long flags;
 
        printk("Crypto Speed tests\n");
 
@@ -375,6 +419,11 @@ ocfbench_init(void)
 
        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");
@@ -387,19 +436,31 @@ ocfbench_init(void)
         * OCF benchmark
         */
        printk("OCF: testing ...\n");
-       ocf_init();
+       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;
 
-       printk("OCF: %d requests of %d bytes in %d jiffies\n", total, request_size,
-                       jstop - jstart);
+       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
        /*
@@ -410,15 +471,29 @@ ocfbench_init(void)
        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;
 
-       printk("IXP: %d requests of %d bytes in %d jiffies\n", total, request_size,
-                       jstop - jstart);
+       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++)
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