diff options
Diffstat (limited to 'drivers/scsi/iscsi_tcp.c')
| -rw-r--r-- | drivers/scsi/iscsi_tcp.c | 54 |
1 files changed, 32 insertions, 22 deletions
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index 0b8af186e707..2e4c82f8329c 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/drivers/scsi/iscsi_tcp.c @@ -26,12 +26,12 @@ * Zhenyu Wang */ +#include <crypto/hash.h> #include <linux/types.h> #include <linux/inet.h> #include <linux/slab.h> #include <linux/file.h> #include <linux/blkdev.h> -#include <linux/crypto.h> #include <linux/delay.h> #include <linux/kfifo.h> #include <linux/scatterlist.h> @@ -428,7 +428,7 @@ static void iscsi_sw_tcp_send_hdr_prep(struct iscsi_conn *conn, void *hdr, * sufficient room. */ if (conn->hdrdgst_en) { - iscsi_tcp_dgst_header(&tcp_sw_conn->tx_hash, hdr, hdrlen, + iscsi_tcp_dgst_header(tcp_sw_conn->tx_hash, hdr, hdrlen, hdr + hdrlen); hdrlen += ISCSI_DIGEST_SIZE; } @@ -454,7 +454,7 @@ iscsi_sw_tcp_send_data_prep(struct iscsi_conn *conn, struct scatterlist *sg, { struct iscsi_tcp_conn *tcp_conn = conn->dd_data; struct iscsi_sw_tcp_conn *tcp_sw_conn = tcp_conn->dd_data; - struct hash_desc *tx_hash = NULL; + struct ahash_request *tx_hash = NULL; unsigned int hdr_spec_len; ISCSI_SW_TCP_DBG(conn, "offset=%d, datalen=%d %s\n", offset, len, @@ -467,7 +467,7 @@ iscsi_sw_tcp_send_data_prep(struct iscsi_conn *conn, struct scatterlist *sg, WARN_ON(iscsi_padded(len) != iscsi_padded(hdr_spec_len)); if (conn->datadgst_en) - tx_hash = &tcp_sw_conn->tx_hash; + tx_hash = tcp_sw_conn->tx_hash; return iscsi_segment_seek_sg(&tcp_sw_conn->out.data_segment, sg, count, offset, len, @@ -480,7 +480,7 @@ iscsi_sw_tcp_send_linear_data_prep(struct iscsi_conn *conn, void *data, { struct iscsi_tcp_conn *tcp_conn = conn->dd_data; struct iscsi_sw_tcp_conn *tcp_sw_conn = tcp_conn->dd_data; - struct hash_desc *tx_hash = NULL; + struct ahash_request *tx_hash = NULL; unsigned int hdr_spec_len; ISCSI_SW_TCP_DBG(conn, "datalen=%zd %s\n", len, conn->datadgst_en ? @@ -492,7 +492,7 @@ iscsi_sw_tcp_send_linear_data_prep(struct iscsi_conn *conn, void *data, WARN_ON(iscsi_padded(len) != iscsi_padded(hdr_spec_len)); if (conn->datadgst_en) - tx_hash = &tcp_sw_conn->tx_hash; + tx_hash = tcp_sw_conn->tx_hash; iscsi_segment_init_linear(&tcp_sw_conn->out.data_segment, data, len, NULL, tx_hash); @@ -543,6 +543,7 @@ iscsi_sw_tcp_conn_create(struct iscsi_cls_session *cls_session, struct iscsi_cls_conn *cls_conn; struct iscsi_tcp_conn *tcp_conn; struct iscsi_sw_tcp_conn *tcp_sw_conn; + struct crypto_ahash *tfm; cls_conn = iscsi_tcp_conn_setup(cls_session, sizeof(*tcp_sw_conn), conn_idx); @@ -552,23 +553,28 @@ iscsi_sw_tcp_conn_create(struct iscsi_cls_session *cls_session, tcp_conn = conn->dd_data; tcp_sw_conn = tcp_conn->dd_data; - tcp_sw_conn->tx_hash.tfm = crypto_alloc_hash("crc32c", 0, - CRYPTO_ALG_ASYNC); - tcp_sw_conn->tx_hash.flags = 0; - if (IS_ERR(tcp_sw_conn->tx_hash.tfm)) + tfm = crypto_alloc_ahash("crc32c", 0, CRYPTO_ALG_ASYNC); + if (IS_ERR(tfm)) goto free_conn; - tcp_sw_conn->rx_hash.tfm = crypto_alloc_hash("crc32c", 0, - CRYPTO_ALG_ASYNC); - tcp_sw_conn->rx_hash.flags = 0; - if (IS_ERR(tcp_sw_conn->rx_hash.tfm)) - goto free_tx_tfm; - tcp_conn->rx_hash = &tcp_sw_conn->rx_hash; + tcp_sw_conn->tx_hash = ahash_request_alloc(tfm, GFP_KERNEL); + if (!tcp_sw_conn->tx_hash) + goto free_tfm; + ahash_request_set_callback(tcp_sw_conn->tx_hash, 0, NULL, NULL); + + tcp_sw_conn->rx_hash = ahash_request_alloc(tfm, GFP_KERNEL); + if (!tcp_sw_conn->rx_hash) + goto free_tx_hash; + ahash_request_set_callback(tcp_sw_conn->rx_hash, 0, NULL, NULL); + + tcp_conn->rx_hash = tcp_sw_conn->rx_hash; return cls_conn; -free_tx_tfm: - crypto_free_hash(tcp_sw_conn->tx_hash.tfm); +free_tx_hash: + ahash_request_free(tcp_sw_conn->tx_hash); +free_tfm: + crypto_free_ahash(tfm); free_conn: iscsi_conn_printk(KERN_ERR, conn, "Could not create connection due to crc32c " @@ -607,10 +613,14 @@ static void iscsi_sw_tcp_conn_destroy(struct iscsi_cls_conn *cls_conn) iscsi_sw_tcp_release_conn(conn); - if (tcp_sw_conn->tx_hash.tfm) - crypto_free_hash(tcp_sw_conn->tx_hash.tfm); - if (tcp_sw_conn->rx_hash.tfm) - crypto_free_hash(tcp_sw_conn->rx_hash.tfm); + ahash_request_free(tcp_sw_conn->rx_hash); + if (tcp_sw_conn->tx_hash) { + struct crypto_ahash *tfm; + + tfm = crypto_ahash_reqtfm(tcp_sw_conn->tx_hash); + ahash_request_free(tcp_sw_conn->tx_hash); + crypto_free_ahash(tfm); + } iscsi_tcp_conn_teardown(cls_conn); } |