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@@ -415,6 +415,7 @@ static void crypto_done_action(unsigned long arg)
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static int init_ixp_crypto(void)
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{
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int ret = -ENODEV;
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+ u32 msg[2] = { 0, 0 };
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if (! ( ~(*IXP4XX_EXP_CFG2) & (IXP4XX_FEATURE_HASH |
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IXP4XX_FEATURE_AES | IXP4XX_FEATURE_DES))) {
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@@ -426,9 +427,35 @@ static int init_ixp_crypto(void)
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return ret;
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if (!npe_running(npe_c)) {
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- npe_load_firmware(npe_c, npe_name(npe_c), dev);
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+ ret = npe_load_firmware(npe_c, npe_name(npe_c), dev);
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+ if (ret) {
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+ return ret;
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+ }
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+ if (npe_recv_message(npe_c, msg, "STATUS_MSG"))
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+ goto npe_error;
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+ } else {
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+ if (npe_send_message(npe_c, msg, "STATUS_MSG"))
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+ goto npe_error;
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+
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+ if (npe_recv_message(npe_c, msg, "STATUS_MSG"))
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+ goto npe_error;
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}
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+ switch ((msg[1]>>16) & 0xff) {
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+ case 3:
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+ printk(KERN_WARNING "Firmware of %s lacks AES support\n",
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+ npe_name(npe_c));
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+ support_aes = 0;
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+ break;
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+ case 4:
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+ case 5:
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+ support_aes = 1;
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+ break;
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+ default:
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+ printk(KERN_ERR "Firmware of %s lacks crypto support\n",
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+ npe_name(npe_c));
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+ return -ENODEV;
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+ }
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/* buffer_pool will also be used to sometimes store the hmac,
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* so assure it is large enough
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*/
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@@ -459,6 +486,10 @@ static int init_ixp_crypto(void)
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qmgr_enable_irq(RECV_QID);
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return 0;
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+
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+npe_error:
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+ printk(KERN_ERR "%s not responding\n", npe_name(npe_c));
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+ ret = -EIO;
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err:
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if (ctx_pool)
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dma_pool_destroy(ctx_pool);
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