diff options
| -rw-r--r-- | drivers/crypto/chelsio/chcr_algo.c | 20 | ||||
| -rw-r--r-- | drivers/crypto/chelsio/chcr_crypto.h | 1 |
2 files changed, 20 insertions, 1 deletions
diff --git a/drivers/crypto/chelsio/chcr_algo.c b/drivers/crypto/chelsio/chcr_algo.c index b4b9b22125d1..699e3053895a 100644 --- a/drivers/crypto/chelsio/chcr_algo.c +++ b/drivers/crypto/chelsio/chcr_algo.c @@ -1102,6 +1102,7 @@ static int chcr_handle_cipher_resp(struct skcipher_request *req, unsigned char *input, int err) { struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct chcr_context *ctx = c_ctx(tfm); struct uld_ctx *u_ctx = ULD_CTX(c_ctx(tfm)); struct ablk_ctx *ablkctx = ABLK_CTX(c_ctx(tfm)); struct sk_buff *skb; @@ -1166,10 +1167,20 @@ static int chcr_handle_cipher_resp(struct skcipher_request *req, chcr_send_wr(skb); reqctx->last_req_len = bytes; reqctx->processed += bytes; + if (get_cryptoalg_subtype(tfm) == + CRYPTO_ALG_SUB_TYPE_CBC && req->base.flags == + CRYPTO_TFM_REQ_MAY_SLEEP ) { + complete(&ctx->cbc_aes_aio_done); + } return 0; unmap: chcr_cipher_dma_unmap(&ULD_CTX(c_ctx(tfm))->lldi.pdev->dev, req); complete: + if (get_cryptoalg_subtype(tfm) == + CRYPTO_ALG_SUB_TYPE_CBC && req->base.flags == + CRYPTO_TFM_REQ_MAY_SLEEP ) { + complete(&ctx->cbc_aes_aio_done); + } chcr_dec_wrcount(dev); req->base.complete(&req->base, err); return err; @@ -1289,6 +1300,7 @@ error: static int chcr_aes_encrypt(struct skcipher_request *req) { struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct chcr_context *ctx; struct chcr_dev *dev = c_ctx(tfm)->dev; struct sk_buff *skb = NULL; int err, isfull = 0; @@ -1313,6 +1325,12 @@ static int chcr_aes_encrypt(struct skcipher_request *req) skb->dev = u_ctx->lldi.ports[0]; set_wr_txq(skb, CPL_PRIORITY_DATA, c_ctx(tfm)->tx_qidx); chcr_send_wr(skb); + if (get_cryptoalg_subtype(tfm) == + CRYPTO_ALG_SUB_TYPE_CBC && req->base.flags == + CRYPTO_TFM_REQ_MAY_SLEEP ) { + ctx=c_ctx(tfm); + wait_for_completion(&ctx->cbc_aes_aio_done); + } return isfull ? -EBUSY : -EINPROGRESS; error: chcr_dec_wrcount(dev); @@ -1401,7 +1419,7 @@ static int chcr_init_tfm(struct crypto_skcipher *tfm) pr_err("failed to allocate fallback for %s\n", alg->base.cra_name); return PTR_ERR(ablkctx->sw_cipher); } - + init_completion(&ctx->cbc_aes_aio_done); crypto_skcipher_set_reqsize(tfm, sizeof(struct chcr_skcipher_req_ctx)); return chcr_device_init(ctx); diff --git a/drivers/crypto/chelsio/chcr_crypto.h b/drivers/crypto/chelsio/chcr_crypto.h index 6db2df8c8a05..9207d88c5538 100644 --- a/drivers/crypto/chelsio/chcr_crypto.h +++ b/drivers/crypto/chelsio/chcr_crypto.h @@ -254,6 +254,7 @@ struct chcr_context { unsigned char rx_qidx; unsigned char tx_chan_id; unsigned char pci_chan_id; + struct completion cbc_aes_aio_done; struct __crypto_ctx crypto_ctx[0]; }; |