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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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chcr - Add debug counters
Count types of operation done by HW. Signed-off-by: Harsh Jain <harsh@chelsio.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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b8fd1f4170
commit
ee0863ba11
5 changed files with 62 additions and 1 deletions
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@ -154,6 +154,7 @@ int chcr_handle_resp(struct crypto_async_request *req, unsigned char *input,
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struct uld_ctx *u_ctx = ULD_CTX(ctx);
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struct chcr_req_ctx ctx_req;
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unsigned int digestsize, updated_digestsize;
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struct adapter *adap = padap(ctx->dev);
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switch (tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK) {
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case CRYPTO_ALG_TYPE_AEAD:
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@ -207,6 +208,7 @@ int chcr_handle_resp(struct crypto_async_request *req, unsigned char *input,
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ctx_req.req.ahash_req->base.complete(req, err);
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break;
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}
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atomic_inc(&adap->chcr_stats.complete);
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return err;
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}
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@ -639,6 +641,7 @@ static struct sk_buff *create_cipher_wr(struct cipher_wr_param *wrparam)
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unsigned int ivsize = AES_BLOCK_SIZE, kctx_len;
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gfp_t flags = wrparam->req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP ?
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GFP_KERNEL : GFP_ATOMIC;
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struct adapter *adap = padap(ctx->dev);
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phys_dsgl = get_space_for_phys_dsgl(reqctx->dst_nents);
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@ -701,6 +704,7 @@ static struct sk_buff *create_cipher_wr(struct cipher_wr_param *wrparam)
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skb_set_transport_header(skb, transhdr_len);
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write_buffer_to_skb(skb, &frags, reqctx->iv, ivsize);
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write_sg_to_skb(skb, &frags, wrparam->srcsg, wrparam->bytes);
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atomic_inc(&adap->chcr_stats.cipher_rqst);
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create_wreq(ctx, chcr_req, &(wrparam->req->base), skb, kctx_len, 0, 1,
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sizeof(struct cpl_rx_phys_dsgl) + phys_dsgl,
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ablkctx->ciph_mode == CHCR_SCMD_CIPHER_MODE_AES_CBC);
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@ -1337,6 +1341,7 @@ static struct sk_buff *create_hash_wr(struct ahash_request *req,
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u8 hash_size_in_response = 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(ctx->dev);
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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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@ -1393,7 +1398,7 @@ static struct sk_buff *create_hash_wr(struct ahash_request *req,
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param->bfr_len);
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if (param->sg_len != 0)
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write_sg_to_skb(skb, &frags, req->src, param->sg_len);
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atomic_inc(&adap->chcr_stats.digest_rqst);
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create_wreq(ctx, chcr_req, &req->base, skb, kctx_len,
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hash_size_in_response, 0, DUMMY_BYTES, 0);
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req_ctx->skb = skb;
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@ -1873,6 +1878,7 @@ static struct sk_buff *create_authenc_wr(struct aead_request *req,
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int null = 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(ctx->dev);
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if (aeadctx->enckey_len == 0 || (req->cryptlen == 0))
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goto err;
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@ -1911,6 +1917,7 @@ static struct sk_buff *create_authenc_wr(struct aead_request *req,
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T6_MAX_AAD_SIZE,
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transhdr_len + (sgl_len(src_nent + MIN_AUTH_SG) * 8),
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op_type)) {
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atomic_inc(&adap->chcr_stats.fallback);
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return ERR_PTR(chcr_aead_fallback(req, op_type));
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}
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skb = alloc_skb((transhdr_len + sizeof(struct sge_opaque_hdr)), flags);
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@ -1983,6 +1990,7 @@ static struct sk_buff *create_authenc_wr(struct aead_request *req,
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}
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write_buffer_to_skb(skb, &frags, req->iv, ivsize);
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write_sg_to_skb(skb, &frags, src, req->cryptlen);
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atomic_inc(&adap->chcr_stats.cipher_rqst);
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create_wreq(ctx, chcr_req, &req->base, skb, kctx_len, size, 1,
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sizeof(struct cpl_rx_phys_dsgl) + dst_size, 0);
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reqctx->skb = skb;
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@ -2206,6 +2214,7 @@ static struct sk_buff *create_aead_ccm_wr(struct aead_request *req,
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int error = -EINVAL, src_nent;
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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(ctx->dev);
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if (op_type && req->cryptlen < crypto_aead_authsize(tfm))
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@ -2245,6 +2254,7 @@ static struct sk_buff *create_aead_ccm_wr(struct aead_request *req,
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T6_MAX_AAD_SIZE - 18,
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transhdr_len + (sgl_len(src_nent + MIN_CCM_SG) * 8),
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op_type)) {
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atomic_inc(&adap->chcr_stats.fallback);
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return ERR_PTR(chcr_aead_fallback(req, op_type));
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}
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@ -2282,6 +2292,7 @@ static struct sk_buff *create_aead_ccm_wr(struct aead_request *req,
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skb_set_transport_header(skb, transhdr_len);
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frags = fill_aead_req_fields(skb, req, src, ivsize, aeadctx);
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atomic_inc(&adap->chcr_stats.aead_rqst);
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create_wreq(ctx, chcr_req, &req->base, skb, kctx_len, 0, 1,
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sizeof(struct cpl_rx_phys_dsgl) + dst_size, 0);
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reqctx->skb = skb;
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@ -2316,6 +2327,7 @@ static struct sk_buff *create_gcm_wr(struct aead_request *req,
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int error = -EINVAL, src_nent;
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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(ctx->dev);
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/* validate key size */
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if (aeadctx->enckey_len == 0)
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@ -2355,6 +2367,7 @@ static struct sk_buff *create_gcm_wr(struct aead_request *req,
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T6_MAX_AAD_SIZE,
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transhdr_len + (sgl_len(src_nent + MIN_GCM_SG) * 8),
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op_type)) {
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atomic_inc(&adap->chcr_stats.fallback);
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return ERR_PTR(chcr_aead_fallback(req, op_type));
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}
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skb = alloc_skb((transhdr_len + sizeof(struct sge_opaque_hdr)), flags);
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@ -2421,6 +2434,7 @@ static struct sk_buff *create_gcm_wr(struct aead_request *req,
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write_sg_to_skb(skb, &frags, req->src, assoclen);
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write_buffer_to_skb(skb, &frags, reqctx->iv, ivsize);
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write_sg_to_skb(skb, &frags, src, req->cryptlen);
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atomic_inc(&adap->chcr_stats.aead_rqst);
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create_wreq(ctx, chcr_req, &req->base, skb, kctx_len, size, 1,
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sizeof(struct cpl_rx_phys_dsgl) + dst_size,
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reqctx->verify);
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@ -100,6 +100,7 @@ static int cpl_fw6_pld_handler(struct chcr_dev *dev,
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struct cpl_fw6_pld *fw6_pld;
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u32 ack_err_status = 0;
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int error_status = 0;
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struct adapter *adap = padap(dev);
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fw6_pld = (struct cpl_fw6_pld *)input;
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req = (struct crypto_async_request *)(uintptr_t)be64_to_cpu(
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@ -111,6 +112,7 @@ static int cpl_fw6_pld_handler(struct chcr_dev *dev,
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if (CHK_MAC_ERR_BIT(ack_err_status) ||
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CHK_PAD_ERR_BIT(ack_err_status))
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error_status = -EBADMSG;
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atomic_inc(&adap->chcr_stats.error);
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}
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/* call completion callback with failure status */
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if (req) {
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@ -868,6 +868,7 @@ struct adapter {
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/* TC u32 offload */
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struct cxgb4_tc_u32_table *tc_u32;
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struct chcr_stats_debug chcr_stats;
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};
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/* Support for "sched-class" command to allow a TX Scheduling Class to be
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@ -3069,6 +3069,40 @@ static const struct file_operations meminfo_fops = {
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.llseek = seq_lseek,
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.release = single_release,
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};
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static int chcr_show(struct seq_file *seq, void *v)
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{
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struct adapter *adap = seq->private;
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seq_puts(seq, "Chelsio Crypto Accelerator Stats \n");
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seq_printf(seq, "Cipher Ops: %10u \n",
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atomic_read(&adap->chcr_stats.cipher_rqst));
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seq_printf(seq, "Digest Ops: %10u \n",
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atomic_read(&adap->chcr_stats.digest_rqst));
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seq_printf(seq, "Aead Ops: %10u \n",
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atomic_read(&adap->chcr_stats.aead_rqst));
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seq_printf(seq, "Completion: %10u \n",
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atomic_read(&adap->chcr_stats.complete));
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seq_printf(seq, "Error: %10u \n",
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atomic_read(&adap->chcr_stats.error));
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seq_printf(seq, "Fallback: %10u \n",
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atomic_read(&adap->chcr_stats.fallback));
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return 0;
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}
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static int chcr_stats_open(struct inode *inode, struct file *file)
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{
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return single_open(file, chcr_show, inode->i_private);
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}
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static const struct file_operations chcr_stats_debugfs_fops = {
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.owner = THIS_MODULE,
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.open = chcr_stats_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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/* Add an array of Debug FS files.
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*/
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void add_debugfs_files(struct adapter *adap,
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@ -3143,6 +3177,7 @@ int t4_setup_debugfs(struct adapter *adap)
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{ "tids", &tid_info_debugfs_fops, S_IRUSR, 0},
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{ "blocked_fl", &blocked_fl_fops, S_IRUSR | S_IWUSR, 0 },
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{ "meminfo", &meminfo_fops, S_IRUSR, 0 },
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{ "crypto", &chcr_stats_debugfs_fops, S_IRUSR, 0 },
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};
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/* Debug FS nodes common to all T5 and later adapters.
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@ -275,6 +275,15 @@ struct cxgb4_virt_res { /* virtualized HW resources */
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unsigned int ncrypto_fc;
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};
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struct chcr_stats_debug {
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atomic_t cipher_rqst;
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atomic_t digest_rqst;
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atomic_t aead_rqst;
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atomic_t complete;
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atomic_t error;
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atomic_t fallback;
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};
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#define OCQ_WIN_OFFSET(pdev, vres) \
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(pci_resource_len((pdev), 2) - roundup_pow_of_two((vres)->ocq.size))
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