crypto: chelsio -Split Hash requests for large scatter gather list
Send multiple WRs to H/W when No. of entries received in scatter list cannot be sent in single request. Signed-off-by: Harsh Jain <harsh@chelsio.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
parent
7ffb911882
commit
5110e65536
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@ -131,6 +131,11 @@ static inline int is_ofld_imm(const struct sk_buff *skb)
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return (skb->len <= SGE_MAX_WR_LEN);
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}
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static inline void chcr_init_hctx_per_wr(struct chcr_ahash_req_ctx *reqctx)
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{
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memset(&reqctx->hctx_wr, 0, sizeof(struct chcr_hctx_per_wr));
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}
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static int sg_nents_xlen(struct scatterlist *sg, unsigned int reqlen,
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unsigned int entlen,
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unsigned int skip)
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@ -165,6 +170,7 @@ static inline void chcr_handle_ahash_resp(struct ahash_request *req,
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int err)
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{
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struct chcr_ahash_req_ctx *reqctx = ahash_request_ctx(req);
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struct chcr_hctx_per_wr *hctx_wr = &reqctx->hctx_wr;
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int digestsize, updated_digestsize;
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struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
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struct uld_ctx *u_ctx = ULD_CTX(h_ctx(tfm));
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@ -172,25 +178,43 @@ static inline void chcr_handle_ahash_resp(struct ahash_request *req,
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if (input == NULL)
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goto out;
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digestsize = crypto_ahash_digestsize(crypto_ahash_reqtfm(req));
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if (reqctx->is_sg_map)
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chcr_hash_dma_unmap(&u_ctx->lldi.pdev->dev, req);
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if (reqctx->dma_addr)
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dma_unmap_single(&u_ctx->lldi.pdev->dev, reqctx->dma_addr,
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reqctx->dma_len, DMA_TO_DEVICE);
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reqctx->dma_addr = 0;
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updated_digestsize = digestsize;
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if (digestsize == SHA224_DIGEST_SIZE)
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updated_digestsize = SHA256_DIGEST_SIZE;
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else if (digestsize == SHA384_DIGEST_SIZE)
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updated_digestsize = SHA512_DIGEST_SIZE;
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if (reqctx->result == 1) {
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reqctx->result = 0;
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memcpy(req->result, input + sizeof(struct cpl_fw6_pld),
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digestsize);
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} else {
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memcpy(reqctx->partial_hash, input + sizeof(struct cpl_fw6_pld),
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updated_digestsize);
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if (hctx_wr->dma_addr) {
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dma_unmap_single(&u_ctx->lldi.pdev->dev, hctx_wr->dma_addr,
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hctx_wr->dma_len, DMA_TO_DEVICE);
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hctx_wr->dma_addr = 0;
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}
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if (hctx_wr->isfinal || ((hctx_wr->processed + reqctx->reqlen) ==
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req->nbytes)) {
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if (hctx_wr->result == 1) {
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hctx_wr->result = 0;
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memcpy(req->result, input + sizeof(struct cpl_fw6_pld),
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digestsize);
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} else {
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memcpy(reqctx->partial_hash,
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input + sizeof(struct cpl_fw6_pld),
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updated_digestsize);
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}
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goto unmap;
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}
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memcpy(reqctx->partial_hash, input + sizeof(struct cpl_fw6_pld),
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updated_digestsize);
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err = chcr_ahash_continue(req);
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if (err)
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goto unmap;
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return;
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unmap:
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if (hctx_wr->is_sg_map)
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chcr_hash_dma_unmap(&u_ctx->lldi.pdev->dev, req);
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out:
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req->base.complete(&req->base, err);
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}
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@ -563,7 +587,6 @@ static void ulptx_walk_add_sg(struct ulptx_walk *walk,
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if (!len)
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return;
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while (sg && skip) {
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if (sg_dma_len(sg) <= skip) {
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skip -= sg_dma_len(sg);
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@ -653,6 +676,35 @@ static int generate_copy_rrkey(struct ablk_ctx *ablkctx,
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}
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return 0;
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}
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static int chcr_hash_ent_in_wr(struct scatterlist *src,
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unsigned int minsg,
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unsigned int space,
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unsigned int srcskip)
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{
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int srclen = 0;
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int srcsg = minsg;
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int soffset = 0, sless;
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if (sg_dma_len(src) == srcskip) {
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src = sg_next(src);
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srcskip = 0;
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}
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while (src && space > (sgl_ent_len[srcsg + 1])) {
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sless = min_t(unsigned int, sg_dma_len(src) - soffset - srcskip,
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CHCR_SRC_SG_SIZE);
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srclen += sless;
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soffset += sless;
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srcsg++;
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if (sg_dma_len(src) == (soffset + srcskip)) {
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src = sg_next(src);
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soffset = 0;
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srcskip = 0;
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}
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}
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return srclen;
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}
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static int chcr_sg_ent_in_wr(struct scatterlist *src,
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struct scatterlist *dst,
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unsigned int minsg,
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@ -1153,7 +1205,7 @@ static int chcr_handle_cipher_resp(struct ablkcipher_request *req,
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}
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if (!reqctx->imm) {
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bytes = chcr_sg_ent_in_wr(reqctx->srcsg, reqctx->dstsg, 1,
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SPACE_LEFT(ablkctx->enckey_len),
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CIP_SPACE_LEFT(ablkctx->enckey_len),
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reqctx->src_ofst, reqctx->dst_ofst);
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if ((bytes + reqctx->processed) >= req->nbytes)
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bytes = req->nbytes - reqctx->processed;
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@ -1257,7 +1309,7 @@ static int process_cipher(struct ablkcipher_request *req,
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if (!reqctx->imm) {
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bytes = chcr_sg_ent_in_wr(req->src, req->dst,
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MIN_CIPHER_SG,
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SPACE_LEFT(ablkctx->enckey_len),
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CIP_SPACE_LEFT(ablkctx->enckey_len),
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0, 0);
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if ((bytes + reqctx->processed) >= req->nbytes)
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bytes = req->nbytes - reqctx->processed;
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@ -1513,35 +1565,24 @@ static struct sk_buff *create_hash_wr(struct ahash_request *req,
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struct uld_ctx *u_ctx = ULD_CTX(h_ctx(tfm));
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struct chcr_wr *chcr_req;
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struct ulptx_sgl *ulptx;
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unsigned int nents = 0, transhdr_len, iopad_alignment = 0;
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unsigned int digestsize = crypto_ahash_digestsize(tfm);
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unsigned int kctx_len = 0, temp = 0;
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u8 hash_size_in_response = 0;
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unsigned int nents = 0, transhdr_len;
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unsigned int temp = 0;
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gfp_t flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP ? GFP_KERNEL :
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GFP_ATOMIC;
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struct adapter *adap = padap(h_ctx(tfm)->dev);
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int error = 0;
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iopad_alignment = KEYCTX_ALIGN_PAD(digestsize);
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kctx_len = param->alg_prm.result_size + iopad_alignment;
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if (param->opad_needed)
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kctx_len += param->alg_prm.result_size + iopad_alignment;
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if (req_ctx->result)
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hash_size_in_response = digestsize;
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else
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hash_size_in_response = param->alg_prm.result_size;
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transhdr_len = HASH_TRANSHDR_SIZE(kctx_len);
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req_ctx->imm = (transhdr_len + param->bfr_len + param->sg_len) <=
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SGE_MAX_WR_LEN;
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nents = sg_nents_xlen(req->src, param->sg_len, CHCR_SRC_SG_SIZE, 0);
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transhdr_len = HASH_TRANSHDR_SIZE(param->kctx_len);
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req_ctx->hctx_wr.imm = (transhdr_len + param->bfr_len +
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param->sg_len) <= SGE_MAX_WR_LEN;
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nents = sg_nents_xlen(req_ctx->hctx_wr.srcsg, param->sg_len,
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CHCR_SRC_SG_SIZE, req_ctx->hctx_wr.src_ofst);
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nents += param->bfr_len ? 1 : 0;
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transhdr_len += req_ctx->imm ? roundup((param->bfr_len +
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param->sg_len), 16) :
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(sgl_len(nents) * 8);
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transhdr_len += req_ctx->hctx_wr.imm ? roundup(param->bfr_len +
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param->sg_len, 16) : (sgl_len(nents) * 8);
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transhdr_len = roundup(transhdr_len, 16);
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skb = alloc_skb(SGE_MAX_WR_LEN, flags);
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skb = alloc_skb(transhdr_len, flags);
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if (!skb)
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return ERR_PTR(-ENOMEM);
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chcr_req = __skb_put_zero(skb, transhdr_len);
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@ -1573,33 +1614,33 @@ static struct sk_buff *create_hash_wr(struct ahash_request *req,
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chcr_req->key_ctx.ctx_hdr = FILL_KEY_CTX_HDR(CHCR_KEYCTX_NO_KEY,
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param->alg_prm.mk_size, 0,
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param->opad_needed,
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((kctx_len +
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((param->kctx_len +
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sizeof(chcr_req->key_ctx)) >> 4));
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chcr_req->sec_cpl.scmd1 = cpu_to_be64((u64)param->scmd1);
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ulptx = (struct ulptx_sgl *)((u8 *)(chcr_req + 1) + kctx_len +
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ulptx = (struct ulptx_sgl *)((u8 *)(chcr_req + 1) + param->kctx_len +
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DUMMY_BYTES);
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if (param->bfr_len != 0) {
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req_ctx->dma_addr = dma_map_single(&u_ctx->lldi.pdev->dev,
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req_ctx->reqbfr, param->bfr_len,
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DMA_TO_DEVICE);
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req_ctx->hctx_wr.dma_addr =
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dma_map_single(&u_ctx->lldi.pdev->dev, req_ctx->reqbfr,
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param->bfr_len, DMA_TO_DEVICE);
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if (dma_mapping_error(&u_ctx->lldi.pdev->dev,
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req_ctx->dma_addr)) {
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req_ctx->hctx_wr. dma_addr)) {
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error = -ENOMEM;
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goto err;
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}
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req_ctx->dma_len = param->bfr_len;
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req_ctx->hctx_wr.dma_len = param->bfr_len;
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} else {
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req_ctx->dma_addr = 0;
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req_ctx->hctx_wr.dma_addr = 0;
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}
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chcr_add_hash_src_ent(req, ulptx, param);
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/* Request upto max wr size */
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temp = kctx_len + DUMMY_BYTES + (req_ctx->imm ? (param->sg_len
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+ param->bfr_len) : 0);
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temp = param->kctx_len + DUMMY_BYTES + (req_ctx->hctx_wr.imm ?
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(param->sg_len + param->bfr_len) : 0);
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atomic_inc(&adap->chcr_stats.digest_rqst);
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create_wreq(h_ctx(tfm), chcr_req, &req->base, req_ctx->imm,
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hash_size_in_response, transhdr_len,
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create_wreq(h_ctx(tfm), chcr_req, &req->base, req_ctx->hctx_wr.imm,
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param->hash_size, transhdr_len,
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temp, 0);
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req_ctx->skb = skb;
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req_ctx->hctx_wr.skb = skb;
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return skb;
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err:
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kfree_skb(skb);
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@ -1618,7 +1659,6 @@ static int chcr_ahash_update(struct ahash_request *req)
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int error;
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bs = crypto_tfm_alg_blocksize(crypto_ahash_tfm(rtfm));
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u_ctx = ULD_CTX(h_ctx(rtfm));
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if (unlikely(cxgb4_is_crypto_q_full(u_ctx->lldi.ports[0],
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h_ctx(rtfm)->tx_qidx))) {
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@ -1635,17 +1675,26 @@ static int chcr_ahash_update(struct ahash_request *req)
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req_ctx->reqlen += nbytes;
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return 0;
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}
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chcr_init_hctx_per_wr(req_ctx);
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error = chcr_hash_dma_map(&u_ctx->lldi.pdev->dev, req);
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if (error)
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return -ENOMEM;
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get_alg_config(¶ms.alg_prm, crypto_ahash_digestsize(rtfm));
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params.kctx_len = roundup(params.alg_prm.result_size, 16);
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params.sg_len = chcr_hash_ent_in_wr(req->src, !!req_ctx->reqlen,
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HASH_SPACE_LEFT(params.kctx_len), 0);
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if (params.sg_len > req->nbytes)
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params.sg_len = req->nbytes;
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params.sg_len = rounddown(params.sg_len + req_ctx->reqlen, bs) -
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req_ctx->reqlen;
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params.opad_needed = 0;
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params.more = 1;
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params.last = 0;
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params.sg_len = nbytes - req_ctx->reqlen;
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params.bfr_len = req_ctx->reqlen;
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params.scmd1 = 0;
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get_alg_config(¶ms.alg_prm, crypto_ahash_digestsize(rtfm));
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req_ctx->result = 0;
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req_ctx->hctx_wr.srcsg = req->src;
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params.hash_size = params.alg_prm.result_size;
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req_ctx->data_len += params.sg_len + params.bfr_len;
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skb = create_hash_wr(req, ¶ms);
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if (IS_ERR(skb)) {
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@ -1653,6 +1702,7 @@ static int chcr_ahash_update(struct ahash_request *req)
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goto unmap;
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}
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req_ctx->hctx_wr.processed += params.sg_len;
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if (remainder) {
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/* Swap buffers */
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swap(req_ctx->reqbfr, req_ctx->skbfr);
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@ -1690,16 +1740,27 @@ static int chcr_ahash_final(struct ahash_request *req)
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struct uld_ctx *u_ctx = NULL;
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u8 bs = crypto_tfm_alg_blocksize(crypto_ahash_tfm(rtfm));
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chcr_init_hctx_per_wr(req_ctx);
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u_ctx = ULD_CTX(h_ctx(rtfm));
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if (is_hmac(crypto_ahash_tfm(rtfm)))
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params.opad_needed = 1;
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else
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params.opad_needed = 0;
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params.sg_len = 0;
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req_ctx->hctx_wr.isfinal = 1;
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get_alg_config(¶ms.alg_prm, crypto_ahash_digestsize(rtfm));
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req_ctx->result = 1;
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params.kctx_len = roundup(params.alg_prm.result_size, 16);
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if (is_hmac(crypto_ahash_tfm(rtfm))) {
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params.opad_needed = 1;
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params.kctx_len *= 2;
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} else {
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params.opad_needed = 0;
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}
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req_ctx->hctx_wr.result = 1;
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params.bfr_len = req_ctx->reqlen;
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req_ctx->data_len += params.bfr_len + params.sg_len;
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req_ctx->hctx_wr.srcsg = req->src;
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if (req_ctx->reqlen == 0) {
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create_last_hash_block(req_ctx->reqbfr, bs, req_ctx->data_len);
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params.last = 0;
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@ -1712,16 +1773,81 @@ static int chcr_ahash_final(struct ahash_request *req)
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params.last = 1;
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params.more = 0;
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}
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params.hash_size = crypto_ahash_digestsize(rtfm);
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skb = create_hash_wr(req, ¶ms);
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if (IS_ERR(skb))
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return PTR_ERR(skb);
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req_ctx->reqlen = 0;
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skb->dev = u_ctx->lldi.ports[0];
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set_wr_txq(skb, CPL_PRIORITY_DATA, h_ctx(rtfm)->tx_qidx);
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chcr_send_wr(skb);
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return -EINPROGRESS;
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}
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static int chcr_ahash_continue(struct ahash_request *req)
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{
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struct chcr_ahash_req_ctx *reqctx = ahash_request_ctx(req);
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struct chcr_hctx_per_wr *hctx_wr = &reqctx->hctx_wr;
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struct crypto_ahash *rtfm = crypto_ahash_reqtfm(req);
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struct uld_ctx *u_ctx = NULL;
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struct sk_buff *skb;
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struct hash_wr_param params;
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u8 bs;
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int error;
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bs = crypto_tfm_alg_blocksize(crypto_ahash_tfm(rtfm));
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u_ctx = ULD_CTX(h_ctx(rtfm));
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if (unlikely(cxgb4_is_crypto_q_full(u_ctx->lldi.ports[0],
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h_ctx(rtfm)->tx_qidx))) {
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if (!(req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG))
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return -EBUSY;
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}
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get_alg_config(¶ms.alg_prm, crypto_ahash_digestsize(rtfm));
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params.kctx_len = roundup(params.alg_prm.result_size, 16);
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if (is_hmac(crypto_ahash_tfm(rtfm))) {
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params.kctx_len *= 2;
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params.opad_needed = 1;
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} else {
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params.opad_needed = 0;
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}
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params.sg_len = chcr_hash_ent_in_wr(hctx_wr->srcsg, 0,
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HASH_SPACE_LEFT(params.kctx_len),
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hctx_wr->src_ofst);
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if ((params.sg_len + hctx_wr->processed) > req->nbytes)
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params.sg_len = req->nbytes - hctx_wr->processed;
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if (!hctx_wr->result ||
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((params.sg_len + hctx_wr->processed) < req->nbytes)) {
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if (is_hmac(crypto_ahash_tfm(rtfm))) {
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params.kctx_len /= 2;
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params.opad_needed = 0;
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}
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params.last = 0;
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params.more = 1;
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params.sg_len = rounddown(params.sg_len, bs);
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params.hash_size = params.alg_prm.result_size;
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params.scmd1 = 0;
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} else {
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params.last = 1;
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params.more = 0;
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params.hash_size = crypto_ahash_digestsize(rtfm);
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params.scmd1 = reqctx->data_len + params.sg_len;
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}
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params.bfr_len = 0;
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reqctx->data_len += params.sg_len;
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skb = create_hash_wr(req, ¶ms);
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if (IS_ERR(skb)) {
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error = PTR_ERR(skb);
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goto err;
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}
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hctx_wr->processed += params.sg_len;
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skb->dev = u_ctx->lldi.ports[0];
|
||||
set_wr_txq(skb, CPL_PRIORITY_DATA, h_ctx(rtfm)->tx_qidx);
|
||||
chcr_send_wr(skb);
|
||||
return 0;
|
||||
err:
|
||||
return error;
|
||||
}
|
||||
|
||||
static int chcr_ahash_finup(struct ahash_request *req)
|
||||
{
|
||||
struct chcr_ahash_req_ctx *req_ctx = ahash_request_ctx(req);
|
||||
|
@ -1740,37 +1866,59 @@ static int chcr_ahash_finup(struct ahash_request *req)
|
|||
if (!(req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG))
|
||||
return -EBUSY;
|
||||
}
|
||||
chcr_init_hctx_per_wr(req_ctx);
|
||||
error = chcr_hash_dma_map(&u_ctx->lldi.pdev->dev, req);
|
||||
if (error)
|
||||
return -ENOMEM;
|
||||
|
||||
if (is_hmac(crypto_ahash_tfm(rtfm)))
|
||||
params.opad_needed = 1;
|
||||
else
|
||||
params.opad_needed = 0;
|
||||
|
||||
params.sg_len = req->nbytes;
|
||||
params.bfr_len = req_ctx->reqlen;
|
||||
get_alg_config(¶ms.alg_prm, crypto_ahash_digestsize(rtfm));
|
||||
params.kctx_len = roundup(params.alg_prm.result_size, 16);
|
||||
if (is_hmac(crypto_ahash_tfm(rtfm))) {
|
||||
params.kctx_len *= 2;
|
||||
params.opad_needed = 1;
|
||||
} else {
|
||||
params.opad_needed = 0;
|
||||
}
|
||||
|
||||
params.sg_len = chcr_hash_ent_in_wr(req->src, !!req_ctx->reqlen,
|
||||
HASH_SPACE_LEFT(params.kctx_len), 0);
|
||||
if (params.sg_len < req->nbytes) {
|
||||
if (is_hmac(crypto_ahash_tfm(rtfm))) {
|
||||
params.kctx_len /= 2;
|
||||
params.opad_needed = 0;
|
||||
}
|
||||
params.last = 0;
|
||||
params.more = 1;
|
||||
params.sg_len = rounddown(params.sg_len + req_ctx->reqlen, bs)
|
||||
- req_ctx->reqlen;
|
||||
params.hash_size = params.alg_prm.result_size;
|
||||
params.scmd1 = 0;
|
||||
} else {
|
||||
params.last = 1;
|
||||
params.more = 0;
|
||||
params.sg_len = req->nbytes;
|
||||
params.hash_size = crypto_ahash_digestsize(rtfm);
|
||||
params.scmd1 = req_ctx->data_len + req_ctx->reqlen +
|
||||
params.sg_len;
|
||||
}
|
||||
params.bfr_len = req_ctx->reqlen;
|
||||
req_ctx->data_len += params.bfr_len + params.sg_len;
|
||||
req_ctx->result = 1;
|
||||
req_ctx->hctx_wr.result = 1;
|
||||
req_ctx->hctx_wr.srcsg = req->src;
|
||||
if ((req_ctx->reqlen + req->nbytes) == 0) {
|
||||
create_last_hash_block(req_ctx->reqbfr, bs, req_ctx->data_len);
|
||||
params.last = 0;
|
||||
params.more = 1;
|
||||
params.scmd1 = 0;
|
||||
params.bfr_len = bs;
|
||||
} else {
|
||||
params.scmd1 = req_ctx->data_len;
|
||||
params.last = 1;
|
||||
params.more = 0;
|
||||
}
|
||||
error = chcr_hash_dma_map(&u_ctx->lldi.pdev->dev, req);
|
||||
if (error)
|
||||
return -ENOMEM;
|
||||
|
||||
skb = create_hash_wr(req, ¶ms);
|
||||
if (IS_ERR(skb)) {
|
||||
error = PTR_ERR(skb);
|
||||
goto unmap;
|
||||
}
|
||||
req_ctx->reqlen = 0;
|
||||
req_ctx->hctx_wr.processed += params.sg_len;
|
||||
skb->dev = u_ctx->lldi.ports[0];
|
||||
set_wr_txq(skb, CPL_PRIORITY_DATA, h_ctx(rtfm)->tx_qidx);
|
||||
chcr_send_wr(skb);
|
||||
|
@ -1801,21 +1949,42 @@ static int chcr_ahash_digest(struct ahash_request *req)
|
|||
return -EBUSY;
|
||||
}
|
||||
|
||||
if (is_hmac(crypto_ahash_tfm(rtfm)))
|
||||
params.opad_needed = 1;
|
||||
else
|
||||
params.opad_needed = 0;
|
||||
chcr_init_hctx_per_wr(req_ctx);
|
||||
error = chcr_hash_dma_map(&u_ctx->lldi.pdev->dev, req);
|
||||
if (error)
|
||||
return -ENOMEM;
|
||||
|
||||
params.last = 0;
|
||||
params.more = 0;
|
||||
params.sg_len = req->nbytes;
|
||||
params.bfr_len = 0;
|
||||
params.scmd1 = 0;
|
||||
get_alg_config(¶ms.alg_prm, crypto_ahash_digestsize(rtfm));
|
||||
req_ctx->result = 1;
|
||||
params.kctx_len = roundup(params.alg_prm.result_size, 16);
|
||||
if (is_hmac(crypto_ahash_tfm(rtfm))) {
|
||||
params.kctx_len *= 2;
|
||||
params.opad_needed = 1;
|
||||
} else {
|
||||
params.opad_needed = 0;
|
||||
}
|
||||
params.sg_len = chcr_hash_ent_in_wr(req->src, !!req_ctx->reqlen,
|
||||
HASH_SPACE_LEFT(params.kctx_len), 0);
|
||||
if (params.sg_len < req->nbytes) {
|
||||
if (is_hmac(crypto_ahash_tfm(rtfm))) {
|
||||
params.kctx_len /= 2;
|
||||
params.opad_needed = 0;
|
||||
}
|
||||
params.last = 0;
|
||||
params.more = 1;
|
||||
params.scmd1 = 0;
|
||||
params.sg_len = rounddown(params.sg_len, bs);
|
||||
params.hash_size = params.alg_prm.result_size;
|
||||
} else {
|
||||
params.sg_len = req->nbytes;
|
||||
params.hash_size = crypto_ahash_digestsize(rtfm);
|
||||
params.last = 1;
|
||||
params.more = 0;
|
||||
params.scmd1 = req->nbytes + req_ctx->data_len;
|
||||
|
||||
}
|
||||
params.bfr_len = 0;
|
||||
req_ctx->hctx_wr.result = 1;
|
||||
req_ctx->hctx_wr.srcsg = req->src;
|
||||
req_ctx->data_len += params.bfr_len + params.sg_len;
|
||||
|
||||
if (req->nbytes == 0) {
|
||||
|
@ -1829,6 +1998,7 @@ static int chcr_ahash_digest(struct ahash_request *req)
|
|||
error = PTR_ERR(skb);
|
||||
goto unmap;
|
||||
}
|
||||
req_ctx->hctx_wr.processed += params.sg_len;
|
||||
skb->dev = u_ctx->lldi.ports[0];
|
||||
set_wr_txq(skb, CPL_PRIORITY_DATA, h_ctx(rtfm)->tx_qidx);
|
||||
chcr_send_wr(skb);
|
||||
|
@ -1845,11 +2015,10 @@ static int chcr_ahash_export(struct ahash_request *areq, void *out)
|
|||
|
||||
state->reqlen = req_ctx->reqlen;
|
||||
state->data_len = req_ctx->data_len;
|
||||
state->is_sg_map = 0;
|
||||
state->result = 0;
|
||||
memcpy(state->bfr1, req_ctx->reqbfr, req_ctx->reqlen);
|
||||
memcpy(state->partial_hash, req_ctx->partial_hash,
|
||||
CHCR_HASH_MAX_DIGEST_SIZE);
|
||||
chcr_init_hctx_per_wr(state);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
@ -1862,11 +2031,10 @@ static int chcr_ahash_import(struct ahash_request *areq, const void *in)
|
|||
req_ctx->data_len = state->data_len;
|
||||
req_ctx->reqbfr = req_ctx->bfr1;
|
||||
req_ctx->skbfr = req_ctx->bfr2;
|
||||
req_ctx->is_sg_map = 0;
|
||||
req_ctx->result = 0;
|
||||
memcpy(req_ctx->bfr1, state->bfr1, CHCR_HASH_MAX_BLOCK_SIZE_128);
|
||||
memcpy(req_ctx->partial_hash, state->partial_hash,
|
||||
CHCR_HASH_MAX_DIGEST_SIZE);
|
||||
chcr_init_hctx_per_wr(req_ctx);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
@ -1963,10 +2131,8 @@ static int chcr_sha_init(struct ahash_request *areq)
|
|||
req_ctx->reqlen = 0;
|
||||
req_ctx->reqbfr = req_ctx->bfr1;
|
||||
req_ctx->skbfr = req_ctx->bfr2;
|
||||
req_ctx->skb = NULL;
|
||||
req_ctx->result = 0;
|
||||
req_ctx->is_sg_map = 0;
|
||||
copy_hash_init_values(req_ctx->partial_hash, digestsize);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
@ -2407,22 +2573,26 @@ void chcr_add_hash_src_ent(struct ahash_request *req,
|
|||
struct ulptx_walk ulp_walk;
|
||||
struct chcr_ahash_req_ctx *reqctx = ahash_request_ctx(req);
|
||||
|
||||
if (reqctx->imm) {
|
||||
if (reqctx->hctx_wr.imm) {
|
||||
u8 *buf = (u8 *)ulptx;
|
||||
|
||||
if (param->bfr_len) {
|
||||
memcpy(buf, reqctx->reqbfr, param->bfr_len);
|
||||
buf += param->bfr_len;
|
||||
}
|
||||
sg_pcopy_to_buffer(req->src, sg_nents(req->src),
|
||||
buf, param->sg_len, 0);
|
||||
|
||||
sg_pcopy_to_buffer(reqctx->hctx_wr.srcsg,
|
||||
sg_nents(reqctx->hctx_wr.srcsg), buf,
|
||||
param->sg_len, 0);
|
||||
} else {
|
||||
ulptx_walk_init(&ulp_walk, ulptx);
|
||||
if (param->bfr_len)
|
||||
ulptx_walk_add_page(&ulp_walk, param->bfr_len,
|
||||
&reqctx->dma_addr);
|
||||
ulptx_walk_add_sg(&ulp_walk, req->src, param->sg_len,
|
||||
0);
|
||||
&reqctx->hctx_wr.dma_addr);
|
||||
ulptx_walk_add_sg(&ulp_walk, reqctx->hctx_wr.srcsg,
|
||||
param->sg_len, reqctx->hctx_wr.src_ofst);
|
||||
reqctx->hctx_wr.srcsg = ulp_walk.last_sg;
|
||||
reqctx->hctx_wr.src_ofst = ulp_walk.last_sg_len;
|
||||
ulptx_walk_end(&ulp_walk);
|
||||
}
|
||||
}
|
||||
|
@ -2439,7 +2609,7 @@ int chcr_hash_dma_map(struct device *dev,
|
|||
DMA_TO_DEVICE);
|
||||
if (!error)
|
||||
return -ENOMEM;
|
||||
req_ctx->is_sg_map = 1;
|
||||
req_ctx->hctx_wr.is_sg_map = 1;
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
@ -2453,7 +2623,7 @@ void chcr_hash_dma_unmap(struct device *dev,
|
|||
|
||||
dma_unmap_sg(dev, req->src, sg_nents(req->src),
|
||||
DMA_TO_DEVICE);
|
||||
req_ctx->is_sg_map = 0;
|
||||
req_ctx->hctx_wr.is_sg_map = 0;
|
||||
|
||||
}
|
||||
|
||||
|
|
|
@ -222,8 +222,10 @@
|
|||
#define MIN_GCM_SG 1 /* IV */
|
||||
#define MIN_DIGEST_SG 1 /*Partial Buffer*/
|
||||
#define MIN_CCM_SG 2 /*IV+B0*/
|
||||
#define SPACE_LEFT(len) \
|
||||
((SGE_MAX_WR_LEN - WR_MIN_LEN - (len)))
|
||||
#define CIP_SPACE_LEFT(len) \
|
||||
((SGE_MAX_WR_LEN - CIP_WR_MIN_LEN - (len)))
|
||||
#define HASH_SPACE_LEFT(len) \
|
||||
((SGE_MAX_WR_LEN - HASH_WR_MIN_LEN - (len)))
|
||||
|
||||
struct algo_param {
|
||||
unsigned int auth_mode;
|
||||
|
@ -232,12 +234,14 @@ struct algo_param {
|
|||
};
|
||||
|
||||
struct hash_wr_param {
|
||||
struct algo_param alg_prm;
|
||||
unsigned int opad_needed;
|
||||
unsigned int more;
|
||||
unsigned int last;
|
||||
struct algo_param alg_prm;
|
||||
unsigned int kctx_len;
|
||||
unsigned int sg_len;
|
||||
unsigned int bfr_len;
|
||||
unsigned int hash_size;
|
||||
u64 scmd1;
|
||||
};
|
||||
|
||||
|
|
|
@ -54,10 +54,14 @@
|
|||
#define MAC_ERROR_BIT 0
|
||||
#define CHK_MAC_ERR_BIT(x) (((x) >> MAC_ERROR_BIT) & 1)
|
||||
#define MAX_SALT 4
|
||||
#define WR_MIN_LEN (sizeof(struct chcr_wr) + \
|
||||
#define CIP_WR_MIN_LEN (sizeof(struct chcr_wr) + \
|
||||
sizeof(struct cpl_rx_phys_dsgl) + \
|
||||
sizeof(struct ulptx_sgl))
|
||||
|
||||
#define HASH_WR_MIN_LEN (sizeof(struct chcr_wr) + \
|
||||
DUMMY_BYTES + \
|
||||
sizeof(struct ulptx_sgl))
|
||||
|
||||
#define padap(dev) pci_get_drvdata(dev->u_ctx->lldi.pdev)
|
||||
|
||||
struct uld_ctx;
|
||||
|
|
|
@ -258,21 +258,32 @@ struct chcr_context {
|
|||
struct __crypto_ctx crypto_ctx[0];
|
||||
};
|
||||
|
||||
struct chcr_ahash_req_ctx {
|
||||
u32 result;
|
||||
u8 bfr1[CHCR_HASH_MAX_BLOCK_SIZE_128];
|
||||
u8 bfr2[CHCR_HASH_MAX_BLOCK_SIZE_128];
|
||||
u8 *reqbfr;
|
||||
u8 *skbfr;
|
||||
struct chcr_hctx_per_wr {
|
||||
struct scatterlist *srcsg;
|
||||
struct sk_buff *skb;
|
||||
dma_addr_t dma_addr;
|
||||
u32 dma_len;
|
||||
u8 reqlen;
|
||||
u8 imm;
|
||||
unsigned int src_ofst;
|
||||
unsigned int processed;
|
||||
u32 result;
|
||||
u8 is_sg_map;
|
||||
u8 partial_hash[CHCR_HASH_MAX_DIGEST_SIZE];
|
||||
u64 data_len; /* Data len till time */
|
||||
u8 imm;
|
||||
/*Final callback called. Driver cannot rely on nbytes to decide
|
||||
* final call
|
||||
*/
|
||||
u8 isfinal;
|
||||
};
|
||||
|
||||
struct chcr_ahash_req_ctx {
|
||||
struct chcr_hctx_per_wr hctx_wr;
|
||||
u8 *reqbfr;
|
||||
u8 *skbfr;
|
||||
/* SKB which is being sent to the hardware for processing */
|
||||
struct sk_buff *skb;
|
||||
u64 data_len; /* Data len till time */
|
||||
u8 reqlen;
|
||||
u8 partial_hash[CHCR_HASH_MAX_DIGEST_SIZE];
|
||||
u8 bfr1[CHCR_HASH_MAX_BLOCK_SIZE_128];
|
||||
u8 bfr2[CHCR_HASH_MAX_BLOCK_SIZE_128];
|
||||
};
|
||||
|
||||
struct chcr_blkcipher_req_ctx {
|
||||
|
@ -329,4 +340,5 @@ void chcr_add_hash_src_ent(struct ahash_request *req, struct ulptx_sgl *ulptx,
|
|||
struct hash_wr_param *param);
|
||||
int chcr_hash_dma_map(struct device *dev, struct ahash_request *req);
|
||||
void chcr_hash_dma_unmap(struct device *dev, struct ahash_request *req);
|
||||
static int chcr_ahash_continue(struct ahash_request *req);
|
||||
#endif /* __CHCR_CRYPTO_H__ */
|
||||
|
|
Loading…
Reference in New Issue