libwd/0121-ecc-remove-repeated-send-BD.patch

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From 6cda439c798c470878d1f12beff0a30236b23da3 Mon Sep 17 00:00:00 2001
From: Weili Qian <qianweili@huawei.com>
Date: Tue, 31 May 2022 17:01:07 +0800
Subject: [PATCH 133/183] ecc: remove repeated send BD
If -WD_EBUSY is returned When BD is sent, the app
determines whether to resend the BD. The function wd_do_ecc_sync
and wd_do_ecc_async does not try to resend the BD.
Signed-off-by: Weili Qian <qianweili@huawei.com>
---
wd_ecc.c | 36 ++++++++++--------------------------
1 file changed, 10 insertions(+), 26 deletions(-)
diff --git a/wd_ecc.c b/wd_ecc.c
index 7dd3853..f22b72d 100644
--- a/wd_ecc.c
+++ b/wd_ecc.c
@@ -22,7 +22,6 @@
#define WD_ECC_MAX_CTX 256
#define ECC_BALANCE_THRHD 1280
#define ECC_RECV_MAX_CNT 60000000
-#define ECC_RESEND_CNT 8
#define ECC_MAX_HW_BITS 521
#define ECC_MAX_KEY_SIZE BITS_TO_BYTES(ECC_MAX_HW_BITS)
#define ECC_MAX_IN_NUM 4
@@ -1387,27 +1386,6 @@ static void msg_pack(char *dst, __u64 *out_len,
*out_len += src_len;
}
-static int ecc_send(handle_t ctx, struct wd_ecc_msg *msg)
-{
- __u32 tx_cnt = 0;
- int ret;
-
- do {
- ret = wd_ecc_setting.driver->send(ctx, msg);
- if (ret == -WD_EBUSY) {
- if (tx_cnt++ >= ECC_RESEND_CNT) {
- WD_ERR("failed to send: retry exit!\n");
- break;
- }
- usleep(1);
- } else if (ret < 0) {
- WD_ERR("failed to send: send error = %d!\n", ret);
- break;
- }
- } while (ret);
-
- return ret;
-}
static int ecc_recv_sync(handle_t ctx, struct wd_ecc_msg *msg)
{
struct wd_ecc_req *req = &msg->req;
@@ -1473,9 +1451,11 @@ int wd_do_ecc_sync(handle_t h_sess, struct wd_ecc_req *req)
return ret;
pthread_spin_lock(&ctx->lock);
- ret = ecc_send(ctx->ctx, &msg);
- if (unlikely(ret))
+ ret = wd_ecc_setting.driver->send(ctx->ctx, &msg);
+ if (unlikely(ret < 0)) {
+ WD_ERR("failed to send ecc BD, hw is err!\n");
goto fail;
+ }
ret = ecc_recv_sync(ctx->ctx, &msg);
fail:
@@ -2151,9 +2131,13 @@ int wd_do_ecc_async(handle_t sess, struct wd_ecc_req *req)
goto fail_with_msg;
msg->tag = mid;
- ret = ecc_send(ctx->ctx, msg);
- if (ret)
+ ret = wd_ecc_setting.driver->send(ctx->ctx, msg);
+ if (unlikely(ret)) {
+ if (ret != -WD_EBUSY)
+ WD_ERR("failed to send ecc BD, hw is err!\n");
+
goto fail_with_msg;
+ }
ret = wd_add_task_to_async_queue(&wd_ecc_env_config, idx);
if (ret)
--
2.27.0