If -WD_EBUSY is returned When BD is sent, the app determines whether to resend the BD. The function wd_do_dh_sync and wd_do_dh_async does not try to resend the BD.
Signed-off-by: Weili Qian qianweili@huawei.com --- wd_dh.c | 37 ++++++++++--------------------------- 1 file changed, 10 insertions(+), 27 deletions(-)
diff --git a/wd_dh.c b/wd_dh.c index de24ea5..de3420f 100644 --- a/wd_dh.c +++ b/wd_dh.c @@ -19,7 +19,6 @@
#define WD_POOL_MAX_ENTRIES 1024 #define DH_BALANCE_THRHD 1280 -#define DH_RESEND_CNT 8 #define DH_MAX_KEY_SIZE 512 #define DH_RECV_MAX_CNT 60000000 // 1 min #define WD_DH_G2 2 @@ -191,28 +190,6 @@ static int fill_dh_msg(struct wd_dh_msg *msg, struct wd_dh_req *req, return 0; }
-static int dh_send(handle_t ctx, struct wd_dh_msg *msg) -{ - __u32 tx_cnt = 0; - int ret; - - do { - ret = wd_dh_setting.driver->send(ctx, msg); - if (ret == -WD_EBUSY) { - if (tx_cnt++ >= DH_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 dh_recv_sync(handle_t ctx, struct wd_dh_msg *msg) { struct wd_dh_req *req = &msg->req; @@ -277,9 +254,11 @@ int wd_do_dh_sync(handle_t sess, struct wd_dh_req *req) return ret;
pthread_spin_lock(&ctx->lock); - ret = dh_send(ctx->ctx, &msg); - if (unlikely(ret)) + ret = wd_dh_setting.driver->send(ctx->ctx, &msg); + if (unlikely(ret < 0)) { + WD_ERR("failed to send dh BD, ret = %d!\n", ret); goto fail; + }
ret = dh_recv_sync(ctx->ctx, &msg); req->pri_bytes = msg.req.pri_bytes; @@ -322,9 +301,13 @@ int wd_do_dh_async(handle_t sess, struct wd_dh_req *req) goto fail_with_msg; msg->tag = mid;
- ret = dh_send(ctx->ctx, msg); - if (ret) + ret = wd_dh_setting.driver->send(ctx->ctx, msg); + if (unlikely(ret)) { + if (ret != -WD_EBUSY) + WD_ERR("failed to send dh BD, hw is err!\n"); + goto fail_with_msg; + }
ret = wd_add_task_to_async_queue(&wd_dh_env_config, idx); if (ret)