diff options
| -rw-r--r-- | drivers/crypto/talitos.c | 606 |
1 files changed, 277 insertions, 329 deletions
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c index 83aca95..43727c9 100644 --- a/drivers/crypto/talitos.c +++ b/drivers/crypto/talitos.c @@ -799,7 +799,6 @@ struct talitos_ctx { unsigned int keylen; unsigned int enckeylen; unsigned int authkeylen; - unsigned int authsize; }; #define HASH_MAX_BLOCK_SIZE SHA512_BLOCK_SIZE @@ -819,16 +818,6 @@ struct talitos_ahash_req_ctx { struct scatterlist *psrc; }; -static int aead_setauthsize(struct crypto_aead *authenc, - unsigned int authsize) -{ - struct talitos_ctx *ctx = crypto_aead_ctx(authenc); - - ctx->authsize = authsize; - - return 0; -} - static int aead_setkey(struct crypto_aead *authenc, const u8 *key, unsigned int keylen) { @@ -857,12 +846,11 @@ badkey: /* * talitos_edesc - s/w-extended descriptor - * @assoc_nents: number of segments in associated data scatterlist * @src_nents: number of segments in input scatterlist * @dst_nents: number of segments in output scatterlist - * @assoc_chained: whether assoc is chained or not * @src_chained: whether src is chained or not * @dst_chained: whether dst is chained or not + * @icv_ool: whether ICV is out-of-line * @iv_dma: dma address of iv for checking continuity and link table * @dma_len: length of dma mapped link_tbl space * @dma_link_tbl: bus physical address of link_tbl/buf @@ -875,12 +863,11 @@ badkey: * of link_tbl data */ struct talitos_edesc { - int assoc_nents; int src_nents; int dst_nents; - bool assoc_chained; bool src_chained; bool dst_chained; + bool icv_ool; dma_addr_t iv_dma; int dma_len; dma_addr_t dma_link_tbl; @@ -952,14 +939,6 @@ static void ipsec_esp_unmap(struct device *dev, unmap_single_talitos_ptr(dev, &edesc->desc.ptr[2], DMA_TO_DEVICE); unmap_single_talitos_ptr(dev, &edesc->desc.ptr[0], DMA_TO_DEVICE); - if (edesc->assoc_chained) - talitos_unmap_sg_chain(dev, areq->assoc, DMA_TO_DEVICE); - else if (areq->assoclen) - /* assoc_nents counts also for IV in non-contiguous cases */ - dma_unmap_sg(dev, areq->assoc, - edesc->assoc_nents ? edesc->assoc_nents - 1 : 1, - DMA_TO_DEVICE); - talitos_sg_unmap(dev, edesc, areq->src, areq->dst); if (edesc->dma_len) @@ -976,7 +955,7 @@ static void ipsec_esp_encrypt_done(struct device *dev, { struct aead_request *areq = context; struct crypto_aead *authenc = crypto_aead_reqtfm(areq); - struct talitos_ctx *ctx = crypto_aead_ctx(authenc); + unsigned int authsize = crypto_aead_authsize(authenc); struct talitos_edesc *edesc; struct scatterlist *sg; void *icvdata; @@ -986,13 +965,12 @@ static void ipsec_esp_encrypt_done(struct device *dev, ipsec_esp_unmap(dev, edesc, areq); /* copy the generated ICV to dst */ - if (edesc->dst_nents) { + if (edesc->icv_ool) { icvdata = &edesc->link_tbl[edesc->src_nents + - edesc->dst_nents + 2 + - edesc->assoc_nents]; + edesc->dst_nents + 2]; sg = sg_last(areq->dst, edesc->dst_nents); - memcpy((char *)sg_virt(sg) + sg->length - ctx->authsize, - icvdata, ctx->authsize); + memcpy((char *)sg_virt(sg) + sg->length - authsize, + icvdata, authsize); } kfree(edesc); @@ -1006,10 +984,10 @@ static void ipsec_esp_decrypt_swauth_done(struct device *dev, { struct aead_request *req = context; struct crypto_aead *authenc = crypto_aead_reqtfm(req); - struct talitos_ctx *ctx = crypto_aead_ctx(authenc); + unsigned int authsize = crypto_aead_authsize(authenc); struct talitos_edesc *edesc; struct scatterlist *sg; - void *icvdata; + char *oicv, *icv; edesc = container_of(desc, struct talitos_edesc, desc); @@ -1017,16 +995,18 @@ static void ipsec_esp_decrypt_swauth_done(struct device *dev, if (!err) { /* auth check */ - if (edesc->dma_len) - icvdata = &edesc->link_tbl[edesc->src_nents + - edesc->dst_nents + 2 + - edesc->assoc_nents]; - else - icvdata = &edesc->link_tbl[0]; - sg = sg_last(req->dst, edesc->dst_nents ? : 1); - err = memcmp(icvdata, (char *)sg_virt(sg) + sg->length - - ctx->authsize, ctx->authsize) ? -EBADMSG : 0; + icv = (char *)sg_virt(sg) + sg->length - authsize; + + if (edesc->dma_len) { + oicv = (char *)&edesc->link_tbl[edesc->src_nents + + edesc->dst_nents + 2]; + if (edesc->icv_ool) + icv = oicv + authsize; + } else + oicv = (char *)&edesc->link_tbl[0]; + + err = memcmp(oicv, icv, authsize) ? -EBADMSG : 0; } kfree(edesc); @@ -1059,53 +1039,69 @@ static void ipsec_esp_decrypt_hwauth_done(struct device *dev, * convert scatterlist to SEC h/w link table format * stop at cryptlen bytes */ -static int sg_to_link_tbl(struct scatterlist *sg, int sg_count, - int cryptlen, struct talitos_ptr *link_tbl_ptr) +static int sg_to_link_tbl_offset(struct scatterlist *sg, int sg_count, + unsigned int offset, int cryptlen, + struct talitos_ptr *link_tbl_ptr) { int n_sg = sg_count; + int count = 0; - while (sg && n_sg--) { - to_talitos_ptr(link_tbl_ptr, sg_dma_address(sg), 0); - link_tbl_ptr->len = cpu_to_be16(sg_dma_len(sg)); - link_tbl_ptr->j_extent = 0; - link_tbl_ptr++; - cryptlen -= sg_dma_len(sg); - sg = sg_next(sg); - } + while (cryptlen && sg && n_sg--) { + unsigned int len = sg_dma_len(sg); - /* adjust (decrease) last one (or two) entry's len to cryptlen */ - link_tbl_ptr--; - while (be16_to_cpu(link_tbl_ptr->len) <= (-cryptlen)) { - /* Empty this entry, and move to previous one */ - cryptlen += be16_to_cpu(link_tbl_ptr->len); - link_tbl_ptr->len = 0; - sg_count--; - link_tbl_ptr--; + if (offset >= len) { + offset -= len; + goto next; + } + + len -= offset; + + if (len > cryptlen) + len = cryptlen; + + to_talitos_ptr(link_tbl_ptr + count, + sg_dma_address(sg) + offset, 0); + link_tbl_ptr[count].len = cpu_to_be16(len); + link_tbl_ptr[count].j_extent = 0; + count++; + cryptlen -= len; + offset = 0; + +next: + sg = sg_next(sg); } - link_tbl_ptr->len = cpu_to_be16(be16_to_cpu(link_tbl_ptr->len) - + cryptlen); /* tag end of link table */ - link_tbl_ptr->j_extent = DESC_PTR_LNKTBL_RETURN; + if (count > 0) + link_tbl_ptr[count - 1].j_extent = DESC_PTR_LNKTBL_RETURN; - return sg_count; + return count; +} + +static inline int sg_to_link_tbl(struct scatterlist *sg, int sg_count, + int cryptlen, + struct talitos_ptr *link_tbl_ptr) +{ + return sg_to_link_tbl_offset(sg, sg_count, 0, cryptlen, + link_tbl_ptr); } /* * fill in and submit ipsec_esp descriptor */ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq, - u64 seq, void (*callback) (struct device *dev, - struct talitos_desc *desc, - void *context, int error)) + void (*callback)(struct device *dev, + struct talitos_desc *desc, + void *context, int error)) { struct crypto_aead *aead = crypto_aead_reqtfm(areq); + unsigned int authsize = crypto_aead_authsize(aead); struct talitos_ctx *ctx = crypto_aead_ctx(aead); struct device *dev = ctx->dev; struct talitos_desc *desc = &edesc->desc; unsigned int cryptlen = areq->cryptlen; - unsigned int authsize = ctx->authsize; unsigned int ivsize = crypto_aead_ivsize(aead); + int tbl_off = 0; int sg_count, ret; int sg_link_tbl_len; @@ -1113,36 +1109,27 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq, map_single_talitos_ptr(dev, &desc->ptr[0], ctx->authkeylen, &ctx->key, DMA_TO_DEVICE); + sg_count = talitos_map_sg(dev, areq->src, edesc->src_nents ?: 1, + (areq->src == areq->dst) ? DMA_BIDIRECTIONAL + : DMA_TO_DEVICE, + edesc->src_chained); + /* hmac data */ - desc->ptr[1].len = cpu_to_be16(areq->assoclen + ivsize); - if (edesc->assoc_nents) { - int tbl_off = edesc->src_nents + edesc->dst_nents + 2; - struct talitos_ptr *tbl_ptr = &edesc->link_tbl[tbl_off]; + desc->ptr[1].len = cpu_to_be16(areq->assoclen); + if (sg_count > 1 && + (ret = sg_to_link_tbl_offset(areq->src, sg_count, 0, + areq->assoclen, + &edesc->link_tbl[tbl_off])) > 1) { + tbl_off += ret; to_talitos_ptr(&desc->ptr[1], edesc->dma_link_tbl + tbl_off * sizeof(struct talitos_ptr), 0); desc->ptr[1].j_extent = DESC_PTR_LNKTBL_JUMP; - /* assoc_nents - 1 entries for assoc, 1 for IV */ - sg_count = sg_to_link_tbl(areq->assoc, edesc->assoc_nents - 1, - areq->assoclen, tbl_ptr); - - /* add IV to link table */ - tbl_ptr += sg_count - 1; - tbl_ptr->j_extent = 0; - tbl_ptr++; - to_talitos_ptr(tbl_ptr, edesc->iv_dma, 0); - tbl_ptr->len = cpu_to_be16(ivsize); - tbl_ptr->j_extent = DESC_PTR_LNKTBL_RETURN; - dma_sync_single_for_device(dev, edesc->dma_link_tbl, edesc->dma_len, DMA_BIDIRECTIONAL); } else { - if (areq->assoclen) - to_talitos_ptr(&desc->ptr[1], - sg_dma_address(areq->assoc), 0); - else - to_talitos_ptr(&desc->ptr[1], edesc->iv_dma, 0); + to_talitos_ptr(&desc->ptr[1], sg_dma_address(areq->src), 0); desc->ptr[1].j_extent = 0; } @@ -1150,8 +1137,6 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq, to_talitos_ptr(&desc->ptr[2], edesc->iv_dma, 0); desc->ptr[2].len = cpu_to_be16(ivsize); desc->ptr[2].j_extent = 0; - /* Sync needed for the aead_givencrypt case */ - dma_sync_single_for_device(dev, edesc->iv_dma, ivsize, DMA_TO_DEVICE); /* cipher key */ map_single_talitos_ptr(dev, &desc->ptr[3], ctx->enckeylen, @@ -1167,33 +1152,24 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq, desc->ptr[4].len = cpu_to_be16(cryptlen); desc->ptr[4].j_extent = authsize; - sg_count = talitos_map_sg(dev, areq->src, edesc->src_nents ? : 1, - (areq->src == areq->dst) ? DMA_BIDIRECTIONAL - : DMA_TO_DEVICE, - edesc->src_chained); - - if (sg_count == 1) { + sg_link_tbl_len = cryptlen; + if (edesc->desc.hdr & DESC_HDR_MODE1_MDEU_CICV) + sg_link_tbl_len += authsize; + + if (sg_count > 1 && + (ret = sg_to_link_tbl_offset(areq->src, sg_count, areq->assoclen, + sg_link_tbl_len, + &edesc->link_tbl[tbl_off])) > 1) { + tbl_off += ret; + desc->ptr[4].j_extent |= DESC_PTR_LNKTBL_JUMP; + to_talitos_ptr(&desc->ptr[4], edesc->dma_link_tbl + + tbl_off * + sizeof(struct talitos_ptr), 0); + dma_sync_single_for_device(dev, edesc->dma_link_tbl, + edesc->dma_len, + DMA_BIDIRECTIONAL); + } else to_talitos_ptr(&desc->ptr[4], sg_dma_address(areq->src), 0); - } else { - sg_link_tbl_len = cryptlen; - - if (edesc->desc.hdr & DESC_HDR_MODE1_MDEU_CICV) - sg_link_tbl_len = cryptlen + authsize; - - sg_count = sg_to_link_tbl(areq->src, sg_count, sg_link_tbl_len, - &edesc->link_tbl[0]); - if (sg_count > 1) { - desc->ptr[4].j_extent |= DESC_PTR_LNKTBL_JUMP; - to_talitos_ptr(&desc->ptr[4], edesc->dma_link_tbl, 0); - dma_sync_single_for_device(dev, edesc->dma_link_tbl, - edesc->dma_len, - DMA_BIDIRECTIONAL); - } else { - /* Only one segment now, so no link tbl needed */ - to_talitos_ptr(&desc->ptr[4], - sg_dma_address(areq->src), 0); - } - } /* cipher out */ desc->ptr[5].len = cpu_to_be16(cryptlen); @@ -1204,16 +1180,17 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq, edesc->dst_nents ? : 1, DMA_FROM_DEVICE, edesc->dst_chained); - if (sg_count == 1) { - to_talitos_ptr(&desc->ptr[5], sg_dma_address(areq->dst), 0); - } else { - int tbl_off = edesc->src_nents + 1; + edesc->icv_ool = false; + + if (sg_count > 1 && + (sg_count = sg_to_link_tbl_offset(areq->dst, sg_count, + areq->assoclen, cryptlen, + &edesc->link_tbl[tbl_off])) > + 1) { struct talitos_ptr *tbl_ptr = &edesc->link_tbl[tbl_off]; to_talitos_ptr(&desc->ptr[5], edesc->dma_link_tbl + tbl_off * sizeof(struct talitos_ptr), 0); - sg_count = sg_to_link_tbl(areq->dst, sg_count, cryptlen, - tbl_ptr); /* Add an entry to the link table for ICV data */ tbl_ptr += sg_count - 1; @@ -1224,13 +1201,16 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq, /* icv data follows link tables */ to_talitos_ptr(tbl_ptr, edesc->dma_link_tbl + - (tbl_off + edesc->dst_nents + 1 + - edesc->assoc_nents) * - sizeof(struct talitos_ptr), 0); + (edesc->src_nents + edesc->dst_nents + + 2) * sizeof(struct talitos_ptr) + + authsize, 0); desc->ptr[5].j_extent |= DESC_PTR_LNKTBL_JUMP; dma_sync_single_for_device(ctx->dev, edesc->dma_link_tbl, edesc->dma_len, DMA_BIDIRECTIONAL); - } + + edesc->icv_ool = true; + } else + to_talitos_ptr(&desc->ptr[5], sg_dma_address(areq->dst), 0); /* iv out */ map_single_talitos_ptr(dev, &desc->ptr[6], ivsize, ctx->iv, @@ -1268,7 +1248,6 @@ static int sg_count(struct scatterlist *sg_list, int nbytes, bool *chained) * allocate and map the extended descriptor */ static struct talitos_edesc *talitos_edesc_alloc(struct device *dev, - struct scatterlist *assoc, struct scatterlist *src, struct scatterlist *dst, u8 *iv, @@ -1281,8 +1260,8 @@ static struct talitos_edesc *talitos_edesc_alloc(struct device *dev, bool encrypt) { struct talitos_edesc *edesc; - int assoc_nents = 0, src_nents, dst_nents, alloc_len, dma_len; - bool assoc_chained = false, src_chained = false, dst_chained = false; + int src_nents, dst_nents, alloc_len, dma_len; + bool src_chained = false, dst_chained = false; dma_addr_t iv_dma = 0; gfp_t flags = cryptoflags & CRYPTO_TFM_REQ_MAY_SLEEP ? GFP_KERNEL : GFP_ATOMIC; @@ -1298,48 +1277,35 @@ static struct talitos_edesc *talitos_edesc_alloc(struct device *dev, if (ivsize) iv_dma = dma_map_single(dev, iv, ivsize, DMA_TO_DEVICE); - if (assoclen) { - /* - * Currently it is assumed that iv is provided whenever assoc - * is. - */ - BUG_ON(!iv); - - assoc_nents = sg_count(assoc, assoclen, &assoc_chained); - talitos_map_sg(dev, assoc, assoc_nents, DMA_TO_DEVICE, - assoc_chained); - assoc_nents = (assoc_nents == 1) ? 0 : assoc_nents; - - if (assoc_nents || sg_dma_address(assoc) + assoclen != iv_dma) - assoc_nents = assoc_nents ? assoc_nents + 1 : 2; - } - if (!dst || dst == src) { - src_nents = sg_count(src, cryptlen + authsize, &src_chained); + src_nents = sg_count(src, assoclen + cryptlen + authsize, + &src_chained); src_nents = (src_nents == 1) ? 0 : src_nents; dst_nents = dst ? src_nents : 0; } else { /* dst && dst != src*/ - src_nents = sg_count(src, cryptlen + (encrypt ? 0 : authsize), + src_nents = sg_count(src, assoclen + cryptlen + + (encrypt ? 0 : authsize), &src_chained); src_nents = (src_nents == 1) ? 0 : src_nents; - dst_nents = sg_count(dst, cryptlen + (encrypt ? authsize : 0), + dst_nents = sg_count(dst, assoclen + cryptlen + + (encrypt ? authsize : 0), &dst_chained); dst_nents = (dst_nents == 1) ? 0 : dst_nents; } /* * allocate space for base edesc plus the link tables, - * allowing for two separate entries for ICV and generated ICV (+ 2), - * and the ICV data itself + * allowing for two separate entries for AD and generated ICV (+ 2), + * and space for two sets of ICVs (stashed and generated) */ alloc_len = sizeof(struct talitos_edesc); - if (assoc_nents || src_nents || dst_nents) { + if (src_nents || dst_nents) { if (is_sec1) dma_len = (src_nents ? cryptlen : 0) + (dst_nents ? cryptlen : 0); else - dma_len = (src_nents + dst_nents + 2 + assoc_nents) * - sizeof(struct talitos_ptr) + authsize; + dma_len = (src_nents + dst_nents + 2) * + sizeof(struct talitos_ptr) + authsize * 2; alloc_len += dma_len; } else { dma_len = 0; @@ -1348,13 +1314,6 @@ static struct talitos_edesc *talitos_edesc_alloc(struct device *dev, edesc = kmalloc(alloc_len, GFP_DMA | flags); if (!edesc) { - if (assoc_chained) - talitos_unmap_sg_chain(dev, assoc, DMA_TO_DEVICE); - else if (assoclen) - dma_unmap_sg(dev, assoc, - assoc_nents ? assoc_nents - 1 : 1, - DMA_TO_DEVICE); - if (iv_dma) dma_unmap_single(dev, iv_dma, ivsize, DMA_TO_DEVICE); @@ -1362,10 +1321,8 @@ static struct talitos_edesc *talitos_edesc_alloc(struct device *dev, return ERR_PTR(-ENOMEM); } - edesc->assoc_nents = assoc_nents; edesc->src_nents = src_nents; edesc->dst_nents = dst_nents; - edesc->assoc_chained = assoc_chained; edesc->src_chained = src_chained; edesc->dst_chained = dst_chained; edesc->iv_dma = iv_dma; @@ -1382,12 +1339,13 @@ static struct talitos_edesc *aead_edesc_alloc(struct aead_request *areq, u8 *iv, int icv_stashing, bool encrypt) { struct crypto_aead *authenc = crypto_aead_reqtfm(areq); + unsigned int authsize = crypto_aead_authsize(authenc); struct talitos_ctx *ctx = crypto_aead_ctx(authenc); unsigned int ivsize = crypto_aead_ivsize(authenc); - return talitos_edesc_alloc(ctx->dev, areq->assoc, areq->src, areq->dst, + return talitos_edesc_alloc(ctx->dev, areq->src, areq->dst, iv, areq->assoclen, areq->cryptlen, - ctx->authsize, ivsize, icv_stashing, + authsize, ivsize, icv_stashing, areq->base.flags, encrypt); } @@ -1405,14 +1363,14 @@ static int aead_encrypt(struct aead_request *req) /* set encrypt */ edesc->desc.hdr = ctx->desc_hdr_template | DESC_HDR_MODE0_ENCRYPT; - return ipsec_esp(edesc, req, 0, ipsec_esp_encrypt_done); + return ipsec_esp(edesc, req, ipsec_esp_encrypt_done); } static int aead_decrypt(struct aead_request *req) { struct crypto_aead *authenc = crypto_aead_reqtfm(req); + unsigned int authsize = crypto_aead_authsize(authenc); struct talitos_ctx *ctx = crypto_aead_ctx(authenc); - unsigned int authsize = ctx->authsize; struct talitos_private *priv = dev_get_drvdata(ctx->dev); struct talitos_edesc *edesc; struct scatterlist *sg; @@ -1437,7 +1395,7 @@ static int aead_decrypt(struct aead_request *req) /* reset integrity check result bits */ edesc->desc.hdr_lo = 0; - return ipsec_esp(edesc, req, 0, ipsec_esp_decrypt_hwauth_done); + return ipsec_esp(edesc, req, ipsec_esp_decrypt_hwauth_done); } /* Have to check the ICV with software */ @@ -1445,40 +1403,16 @@ static int aead_decrypt(struct aead_request *req) /* stash incoming ICV for later cmp with ICV generated by the h/w */ if (edesc->dma_len) - icvdata = &edesc->link_tbl[edesc->src_nents + - edesc->dst_nents + 2 + - edesc->assoc_nents]; + icvdata = (char *)&edesc->link_tbl[edesc->src_nents + + edesc->dst_nents + 2]; else icvdata = &edesc->link_tbl[0]; sg = sg_last(req->src, edesc->src_nents ? : 1); - memcpy(icvdata, (char *)sg_virt(sg) + sg->length - ctx->authsize, - ctx->authsize); - - return ipsec_esp(edesc, req, 0, ipsec_esp_decrypt_swauth_done); -} - -static int aead_givencrypt(struct aead_givcrypt_request *req) -{ - struct aead_request *areq = &req->areq; - struct crypto_aead *authenc = crypto_aead_reqtfm(areq); - struct talitos_ctx *ctx = crypto_aead_ctx(authenc); - struct talitos_edesc *edesc; - - /* allocate extended descriptor */ - edesc = aead_edesc_alloc(areq, req->giv, 0, true); - if (IS_ERR(edesc)) - return PTR_ERR(edesc); + memcpy(icvdata, (char *)sg_virt(sg) + sg->length - authsize, authsize); - /* set encrypt */ - edesc->desc.hdr = ctx->desc_hdr_template | DESC_HDR_MODE0_ENCRYPT; - - memcpy(req->giv, ctx->iv, crypto_aead_ivsize(authenc)); - /* avoid consecutive packets going out with same IV */ - *(__be64 *)req->giv ^= cpu_to_be64(req->seq); - - return ipsec_esp(edesc, areq, req->seq, ipsec_esp_encrypt_done); + return ipsec_esp(edesc, req, ipsec_esp_decrypt_swauth_done); } static int ablkcipher_setkey(struct crypto_ablkcipher *cipher, @@ -1710,7 +1644,7 @@ static struct talitos_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request * struct talitos_ctx *ctx = crypto_ablkcipher_ctx(cipher); unsigned int ivsize = crypto_ablkcipher_ivsize(cipher); - return talitos_edesc_alloc(ctx->dev, NULL, areq->src, areq->dst, + return talitos_edesc_alloc(ctx->dev, areq->src, areq->dst, areq->info, 0, areq->nbytes, 0, ivsize, 0, areq->base.flags, encrypt); } @@ -1895,7 +1829,7 @@ static struct talitos_edesc *ahash_edesc_alloc(struct ahash_request *areq, struct talitos_ctx *ctx = crypto_ahash_ctx(tfm); struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq); - return talitos_edesc_alloc(ctx->dev, NULL, req_ctx->psrc, NULL, NULL, 0, + return talitos_edesc_alloc(ctx->dev, req_ctx->psrc, NULL, NULL, 0, nbytes, 0, 0, 0, areq->base.flags, false); } @@ -2161,6 +2095,7 @@ struct talitos_alg_template { union { struct crypto_alg crypto; struct ahash_alg hash; + struct aead_alg aead; } alg; __be32 desc_hdr_template; }; @@ -2168,15 +2103,16 @@ struct talitos_alg_template { static struct talitos_alg_template driver_algs[] = { /* AEAD algorithms. These use a single-pass ipsec_esp descriptor */ { .type = CRYPTO_ALG_TYPE_AEAD, - .alg.crypto = { - .cra_name = "authenc(hmac(sha1),cbc(aes))", - .cra_driver_name = "authenc-hmac-sha1-cbc-aes-talitos", - .cra_blocksize = AES_BLOCK_SIZE, - .cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC, - .cra_aead = { - .ivsize = AES_BLOCK_SIZE, - .maxauthsize = SHA1_DIGEST_SIZE, - } + .alg.aead = { + .base = { + .cra_name = "authenc(hmac(sha1),cbc(aes))", + .cra_driver_name = "authenc-hmac-sha1-" + "cbc-aes-talitos", + .cra_blocksize = AES_BLOCK_SIZE, + .cra_flags = CRYPTO_ALG_ASYNC, + }, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = SHA1_DIGEST_SIZE, }, .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP | DESC_HDR_SEL0_AESU | @@ -2187,15 +2123,17 @@ static struct talitos_alg_template driver_algs[] = { DESC_HDR_MODE1_MDEU_SHA1_HMAC, }, { .type = CRYPTO_ALG_TYPE_AEAD, - .alg.crypto = { - .cra_name = "authenc(hmac(sha1),cbc(des3_ede))", - .cra_driver_name = "authenc-hmac-sha1-cbc-3des-talitos", - .cra_blocksize = DES3_EDE_BLOCK_SIZE, - .cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC, - .cra_aead = { - .ivsize = DES3_EDE_BLOCK_SIZE, - .maxauthsize = SHA1_DIGEST_SIZE, - } + .alg.aead = { + .base = { + .cra_name = "authenc(hmac(sha1)," + "cbc(des3_ede))", + .cra_driver_name = "authenc-hmac-sha1-" + "cbc-3des-talitos", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + .cra_flags = CRYPTO_ALG_ASYNC, + }, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = SHA1_DIGEST_SIZE, }, .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP | DESC_HDR_SEL0_DEU | @@ -2207,15 +2145,16 @@ static struct talitos_alg_template driver_algs[] = { DESC_HDR_MODE1_MDEU_SHA1_HMAC, }, { .type = CRYPTO_ALG_TYPE_AEAD, - .alg.crypto = { - .cra_name = "authenc(hmac(sha224),cbc(aes))", - .cra_driver_name = "authenc-hmac-sha224-cbc-aes-talitos", - .cra_blocksize = AES_BLOCK_SIZE, - .cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC, - .cra_aead = { - .ivsize = AES_BLOCK_SIZE, - .maxauthsize = SHA224_DIGEST_SIZE, - } + .alg.aead = { + .base = { + .cra_name = "authenc(hmac(sha224),cbc(aes))", + .cra_driver_name = "authenc-hmac-sha224-" + "cbc-aes-talitos", + .cra_blocksize = AES_BLOCK_SIZE, + .cra_flags = CRYPTO_ALG_ASYNC, + }, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = SHA224_DIGEST_SIZE, }, .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP | DESC_HDR_SEL0_AESU | @@ -2226,15 +2165,17 @@ static struct talitos_alg_template driver_algs[] = { DESC_HDR_MODE1_MDEU_SHA224_HMAC, }, { .type = CRYPTO_ALG_TYPE_AEAD, - .alg.crypto = { - .cra_name = "authenc(hmac(sha224),cbc(des3_ede))", - .cra_driver_name = "authenc-hmac-sha224-cbc-3des-talitos", - .cra_blocksize = DES3_EDE_BLOCK_SIZE, - .cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC, - .cra_aead = { - .ivsize = DES3_EDE_BLOCK_SIZE, - .maxauthsize = SHA224_DIGEST_SIZE, - } + .alg.aead = { + .base = { + .cra_name = "authenc(hmac(sha224)," + "cbc(des3_ede))", + .cra_driver_name = "authenc-hmac-sha224-" + "cbc-3des-talitos", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + .cra_flags = CRYPTO_ALG_ASYNC, + }, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = SHA224_DIGEST_SIZE, }, .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP | DESC_HDR_SEL0_DEU | @@ -2246,15 +2187,16 @@ static struct talitos_alg_template driver_algs[] = { DESC_HDR_MODE1_MDEU_SHA224_HMAC, }, { .type = CRYPTO_ALG_TYPE_AEAD, - .alg.crypto = { - .cra_name = "authenc(hmac(sha256),cbc(aes))", - .cra_driver_name = "authenc-hmac-sha256-cbc-aes-talitos", - .cra_blocksize = AES_BLOCK_SIZE, - .cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC, - .cra_aead = { - .ivsize = AES_BLOCK_SIZE, - .maxauthsize = SHA256_DIGEST_SIZE, - } + .alg.aead = { + .base = { + .cra_name = "authenc(hmac(sha256),cbc(aes))", + .cra_driver_name = "authenc-hmac-sha256-" + "cbc-aes-talitos", + .cra_blocksize = AES_BLOCK_SIZE, + .cra_flags = CRYPTO_ALG_ASYNC, + }, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = SHA256_DIGEST_SIZE, }, .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP | DESC_HDR_SEL0_AESU | @@ -2265,15 +2207,17 @@ static struct talitos_alg_template driver_algs[] = { DESC_HDR_MODE1_MDEU_SHA256_HMAC, }, { .type = CRYPTO_ALG_TYPE_AEAD, - .alg.crypto = { - .cra_name = "authenc(hmac(sha256),cbc(des3_ede))", - .cra_driver_name = "authenc-hmac-sha256-cbc-3des-talitos", - .cra_blocksize = DES3_EDE_BLOCK_SIZE, - .cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC, - .cra_aead = { - .ivsize = DES3_EDE_BLOCK_SIZE, - .maxauthsize = SHA256_DIGEST_SIZE, - } + .alg.aead = { + .base = { + .cra_name = "authenc(hmac(sha256)," + "cbc(des3_ede))", + .cra_driver_name = "authenc-hmac-sha256-" + "cbc-3des-talitos", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + .cra_flags = CRYPTO_ALG_ASYNC, + }, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = SHA256_DIGEST_SIZE, }, .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP | DESC_HDR_SEL0_DEU | @@ -2285,15 +2229,16 @@ static struct talitos_alg_template driver_algs[] = { DESC_HDR_MODE1_MDEU_SHA256_HMAC, }, { .type = CRYPTO_ALG_TYPE_AEAD, - .alg.crypto = { - .cra_name = "authenc(hmac(sha384),cbc(aes))", - .cra_driver_name = "authenc-hmac-sha384-cbc-aes-talitos", - .cra_blocksize = AES_BLOCK_SIZE, - .cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC, - .cra_aead = { - .ivsize = AES_BLOCK_SIZE, - .maxauthsize = SHA384_DIGEST_SIZE, - } + .alg.aead = { + .base = { + .cra_name = "authenc(hmac(sha384),cbc(aes))", + .cra_driver_name = "authenc-hmac-sha384-" + "cbc-aes-talitos", + .cra_blocksize = AES_BLOCK_SIZE, + .cra_flags = CRYPTO_ALG_ASYNC, + }, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = SHA384_DIGEST_SIZE, }, .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP | DESC_HDR_SEL0_AESU | @@ -2304,15 +2249,17 @@ static struct talitos_alg_template driver_algs[] = { DESC_HDR_MODE1_MDEUB_SHA384_HMAC, }, { .type = CRYPTO_ALG_TYPE_AEAD, - .alg.crypto = { - .cra_name = "authenc(hmac(sha384),cbc(des3_ede))", - .cra_driver_name = "authenc-hmac-sha384-cbc-3des-talitos", - .cra_blocksize = DES3_EDE_BLOCK_SIZE, - .cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC, - .cra_aead = { - .ivsize = DES3_EDE_BLOCK_SIZE, - .maxauthsize = SHA384_DIGEST_SIZE, - } + .alg.aead = { + .base = { + .cra_name = "authenc(hmac(sha384)," + "cbc(des3_ede))", + .cra_driver_name = "authenc-hmac-sha384-" + "cbc-3des-talitos", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + .cra_flags = CRYPTO_ALG_ASYNC, + }, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = SHA384_DIGEST_SIZE, }, .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP | DESC_HDR_SEL0_DEU | @@ -2324,15 +2271,16 @@ static struct talitos_alg_template driver_algs[] = { DESC_HDR_MODE1_MDEUB_SHA384_HMAC, }, { .type = CRYPTO_ALG_TYPE_AEAD, - .alg.crypto = { - .cra_name = "authenc(hmac(sha512),cbc(aes))", - .cra_driver_name = "authenc-hmac-sha512-cbc-aes-talitos", - .cra_blocksize = AES_BLOCK_SIZE, - .cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC, - .cra_aead = { - .ivsize = AES_BLOCK_SIZE, - .maxauthsize = SHA512_DIGEST_SIZE, - } + .alg.aead = { + .base = { + .cra_name = "authenc(hmac(sha512),cbc(aes))", + .cra_driver_name = "authenc-hmac-sha512-" + "cbc-aes-talitos", + .cra_blocksize = AES_BLOCK_SIZE, + .cra_flags = CRYPTO_ALG_ASYNC, + }, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = SHA512_DIGEST_SIZE, }, .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP | DESC_HDR_SEL0_AESU | @@ -2343,15 +2291,17 @@ static struct talitos_alg_template driver_algs[] = { DESC_HDR_MODE1_MDEUB_SHA512_HMAC, }, { .type = CRYPTO_ALG_TYPE_AEAD, - .alg.crypto = { - .cra_name = "authenc(hmac(sha512),cbc(des3_ede))", - .cra_driver_name = "authenc-hmac-sha512-cbc-3des-talitos", - .cra_blocksize = DES3_EDE_BLOCK_SIZE, - .cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC, - .cra_aead = { - .ivsize = DES3_EDE_BLOCK_SIZE, - .maxauthsize = SHA512_DIGEST_SIZE, - } + .alg.aead = { + .base = { + .cra_name = "authenc(hmac(sha512)," + "cbc(des3_ede))", + .cra_driver_name = "authenc-hmac-sha512-" + "cbc-3des-talitos", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + .cra_flags = CRYPTO_ALG_ASYNC, + }, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = SHA512_DIGEST_SIZE, }, .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP | DESC_HDR_SEL0_DEU | @@ -2363,15 +2313,16 @@ static struct talitos_alg_template driver_algs[] = { DESC_HDR_MODE1_MDEUB_SHA512_HMAC, }, { .type = CRYPTO_ALG_TYPE_AEAD, - .alg.crypto = { - .cra_name = "authenc(hmac(md5),cbc(aes))", - .cra_driver_name = "authenc-hmac-md5-cbc-aes-talitos", - .cra_blocksize = AES_BLOCK_SIZE, - .cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC, - .cra_aead = { - .ivsize = AES_BLOCK_SIZE, - .maxauthsize = MD5_DIGEST_SIZE, - } + .alg.aead = { + .base = { + .cra_name = "authenc(hmac(md5),cbc(aes))", + .cra_driver_name = "authenc-hmac-md5-" + "cbc-aes-talitos", + .cra_blocksize = AES_BLOCK_SIZE, + .cra_flags = CRYPTO_ALG_ASYNC, + }, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = MD5_DIGEST_SIZE, }, .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP | DESC_HDR_SEL0_AESU | @@ -2382,15 +2333,16 @@ static struct talitos_alg_template driver_algs[] = { DESC_HDR_MODE1_MDEU_MD5_HMAC, }, { .type = CRYPTO_ALG_TYPE_AEAD, - .alg.crypto = { - .cra_name = "authenc(hmac(md5),cbc(des3_ede))", - .cra_driver_name = "authenc-hmac-md5-cbc-3des-talitos", - .cra_blocksize = DES3_EDE_BLOCK_SIZE, - .cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC, - .cra_aead = { - .ivsize = DES3_EDE_BLOCK_SIZE, - .maxauthsize = MD5_DIGEST_SIZE, - } + .alg.aead = { + .base = { + .cra_name = "authenc(hmac(md5),cbc(des3_ede))", + .cra_driver_name = "authenc-hmac-md5-" + "cbc-3des-talitos", + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + .cra_flags = CRYPTO_ALG_ASYNC, + }, + .ivsize = DES3_EDE_BLOCK_SIZE, + .maxauthsize = MD5_DIGEST_SIZE, }, .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP | DESC_HDR_SEL0_DEU | @@ -2658,15 +2610,9 @@ static int talitos_cra_init(struct crypto_tfm *tfm) return 0; } -static int talitos_cra_init_aead(struct crypto_tfm *tfm) +static int talitos_cra_init_aead(struct crypto_aead *tfm) { - struct talitos_ctx *ctx = crypto_tfm_ctx(tfm); - - talitos_cra_init(tfm); - - /* random first IV */ - get_random_bytes(ctx->iv, TALITOS_MAX_IV_LENGTH); - + talitos_cra_init(crypto_aead_tfm(tfm)); return 0; } @@ -2713,9 +2659,9 @@ static int talitos_remove(struct platform_device *ofdev) list_for_each_entry_safe(t_alg, n, &priv->alg_list, entry) { switch (t_alg->algt.type) { case CRYPTO_ALG_TYPE_ABLKCIPHER: - case CRYPTO_ALG_TYPE_AEAD: - crypto_unregister_alg(&t_alg->algt.alg.crypto); break; + case CRYPTO_ALG_TYPE_AEAD: + crypto_unregister_aead(&t_alg->algt.alg.aead); case CRYPTO_ALG_TYPE_AHASH: crypto_unregister_ahash(&t_alg->algt.alg.hash); break; @@ -2774,15 +2720,12 @@ static struct talitos_crypto_alg *talitos_alg_alloc(struct device *dev, alg->cra_ablkcipher.geniv = "eseqiv"; break; case CRYPTO_ALG_TYPE_AEAD: - alg = &t_alg->algt.alg.crypto; - alg->cra_init = talitos_cra_init_aead; - alg->cra_type = &crypto_aead_type; - alg->cra_aead.setkey = aead_setkey; - alg->cra_aead.setauthsize = aead_setauthsize; - alg->cra_aead.encrypt = aead_encrypt; - alg->cra_aead.decrypt = aead_decrypt; - alg->cra_aead.givencrypt = aead_givencrypt; - alg->cra_aead.geniv = "<built-in>"; + alg = &t_alg->algt.alg.aead.base; + alg->cra_flags |= CRYPTO_ALG_AEAD_NEW; + t_alg->algt.alg.aead.init = talitos_cra_init_aead; + t_alg->algt.alg.aead.setkey = aead_setkey; + t_alg->algt.alg.aead.encrypt = aead_encrypt; + t_alg->algt.alg.aead.decrypt = aead_decrypt; break; case CRYPTO_ALG_TYPE_AHASH: alg = &t_alg->algt.alg.hash.halg.base; @@ -3041,7 +2984,7 @@ static int talitos_probe(struct platform_device *ofdev) for (i = 0; i < ARRAY_SIZE(driver_algs); i++) { if (hw_supports(dev, driver_algs[i].desc_hdr_template)) { struct talitos_crypto_alg *t_alg; - char *name = NULL; + struct crypto_alg *alg = NULL; t_alg = talitos_alg_alloc(dev, &driver_algs[i]); if (IS_ERR(t_alg)) { @@ -3053,21 +2996,26 @@ static int talitos_probe(struct platform_device *ofdev) switch (t_alg->algt.type) { case CRYPTO_ALG_TYPE_ABLKCIPHER: - case CRYPTO_ALG_TYPE_AEAD: err = crypto_register_alg( &t_alg->algt.alg.crypto); - name = t_alg->algt.alg.crypto.cra_driver_name; + alg = &t_alg->algt.alg.crypto; break; + + case CRYPTO_ALG_TYPE_AEAD: + err = crypto_register_aead( + &t_alg->algt.alg.aead); + alg = &t_alg->algt.alg.aead.base; + break; + case CRYPTO_ALG_TYPE_AHASH: err = crypto_register_ahash( &t_alg->algt.alg.hash); - name = - t_alg->algt.alg.hash.halg.base.cra_driver_name; + alg = &t_alg->algt.alg.hash.halg.base; break; } if (err) { dev_err(dev, "%s alg registration failed\n", - name); + alg->cra_driver_name); kfree(t_alg); } else list_add_tail(&t_alg->entry, &priv->alg_list); |