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Message-Id: <dba91db0b854be378b15ff5d5285d76570c23c79.1497506936.git.harsh@chelsio.com>
Date: Thu, 15 Jun 2017 12:43:44 +0530
From: Harsh Jain <harsh@...lsio.com>
To: herbert@...dor.apana.org.au, linux-crypto@...r.kernel.org,
netdev@...r.kernel.org, ganeshgr@...lsio.com
Cc: Harsh Jain <harsh@...lsio.com>
Subject: [PATCH 6/9] chcr - Add debug counters
Count types of operation done by HW.
Signed-off-by: Harsh Jain <harsh@...lsio.com>
---
drivers/crypto/chelsio/chcr_algo.c | 16 +++++++++-
drivers/crypto/chelsio/chcr_core.c | 2 ++
drivers/net/ethernet/chelsio/cxgb4/cxgb4.h | 1 +
drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c | 35 ++++++++++++++++++++++
drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h | 9 ++++++
5 files changed, 62 insertions(+), 1 deletion(-)
diff --git a/drivers/crypto/chelsio/chcr_algo.c b/drivers/crypto/chelsio/chcr_algo.c
index 03b817f..2f388af 100644
--- a/drivers/crypto/chelsio/chcr_algo.c
+++ b/drivers/crypto/chelsio/chcr_algo.c
@@ -154,6 +154,7 @@ int chcr_handle_resp(struct crypto_async_request *req, unsigned char *input,
struct uld_ctx *u_ctx = ULD_CTX(ctx);
struct chcr_req_ctx ctx_req;
unsigned int digestsize, updated_digestsize;
+ struct adapter *adap = padap(ctx->dev);
switch (tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK) {
case CRYPTO_ALG_TYPE_AEAD:
@@ -207,6 +208,7 @@ int chcr_handle_resp(struct crypto_async_request *req, unsigned char *input,
ctx_req.req.ahash_req->base.complete(req, err);
break;
}
+ atomic_inc(&adap->chcr_stats.complete);
return err;
}
@@ -639,6 +641,7 @@ static struct sk_buff *create_cipher_wr(struct cipher_wr_param *wrparam)
unsigned int ivsize = AES_BLOCK_SIZE, kctx_len;
gfp_t flags = wrparam->req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP ?
GFP_KERNEL : GFP_ATOMIC;
+ struct adapter *adap = padap(ctx->dev);
phys_dsgl = get_space_for_phys_dsgl(reqctx->dst_nents);
@@ -701,6 +704,7 @@ static struct sk_buff *create_cipher_wr(struct cipher_wr_param *wrparam)
skb_set_transport_header(skb, transhdr_len);
write_buffer_to_skb(skb, &frags, reqctx->iv, ivsize);
write_sg_to_skb(skb, &frags, wrparam->srcsg, wrparam->bytes);
+ atomic_inc(&adap->chcr_stats.cipher_rqst);
create_wreq(ctx, chcr_req, &(wrparam->req->base), skb, kctx_len, 0, 1,
sizeof(struct cpl_rx_phys_dsgl) + phys_dsgl,
ablkctx->ciph_mode == CHCR_SCMD_CIPHER_MODE_AES_CBC);
@@ -1337,6 +1341,7 @@ static struct sk_buff *create_hash_wr(struct ahash_request *req,
u8 hash_size_in_response = 0;
gfp_t flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP ? GFP_KERNEL :
GFP_ATOMIC;
+ struct adapter *adap = padap(ctx->dev);
iopad_alignment = KEYCTX_ALIGN_PAD(digestsize);
kctx_len = param->alg_prm.result_size + iopad_alignment;
@@ -1393,7 +1398,7 @@ static struct sk_buff *create_hash_wr(struct ahash_request *req,
param->bfr_len);
if (param->sg_len != 0)
write_sg_to_skb(skb, &frags, req->src, param->sg_len);
-
+ atomic_inc(&adap->chcr_stats.digest_rqst);
create_wreq(ctx, chcr_req, &req->base, skb, kctx_len,
hash_size_in_response, 0, DUMMY_BYTES, 0);
req_ctx->skb = skb;
@@ -1873,6 +1878,7 @@ static struct sk_buff *create_authenc_wr(struct aead_request *req,
int null = 0;
gfp_t flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP ? GFP_KERNEL :
GFP_ATOMIC;
+ struct adapter *adap = padap(ctx->dev);
if (aeadctx->enckey_len == 0 || (req->cryptlen == 0))
goto err;
@@ -1911,6 +1917,7 @@ static struct sk_buff *create_authenc_wr(struct aead_request *req,
T6_MAX_AAD_SIZE,
transhdr_len + (sgl_len(src_nent + MIN_AUTH_SG) * 8),
op_type)) {
+ atomic_inc(&adap->chcr_stats.fallback);
return ERR_PTR(chcr_aead_fallback(req, op_type));
}
skb = alloc_skb((transhdr_len + sizeof(struct sge_opaque_hdr)), flags);
@@ -1983,6 +1990,7 @@ static struct sk_buff *create_authenc_wr(struct aead_request *req,
}
write_buffer_to_skb(skb, &frags, req->iv, ivsize);
write_sg_to_skb(skb, &frags, src, req->cryptlen);
+ atomic_inc(&adap->chcr_stats.cipher_rqst);
create_wreq(ctx, chcr_req, &req->base, skb, kctx_len, size, 1,
sizeof(struct cpl_rx_phys_dsgl) + dst_size, 0);
reqctx->skb = skb;
@@ -2206,6 +2214,7 @@ static struct sk_buff *create_aead_ccm_wr(struct aead_request *req,
int error = -EINVAL, src_nent;
gfp_t flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP ? GFP_KERNEL :
GFP_ATOMIC;
+ struct adapter *adap = padap(ctx->dev);
if (op_type && req->cryptlen < crypto_aead_authsize(tfm))
@@ -2245,6 +2254,7 @@ static struct sk_buff *create_aead_ccm_wr(struct aead_request *req,
T6_MAX_AAD_SIZE - 18,
transhdr_len + (sgl_len(src_nent + MIN_CCM_SG) * 8),
op_type)) {
+ atomic_inc(&adap->chcr_stats.fallback);
return ERR_PTR(chcr_aead_fallback(req, op_type));
}
@@ -2282,6 +2292,7 @@ static struct sk_buff *create_aead_ccm_wr(struct aead_request *req,
skb_set_transport_header(skb, transhdr_len);
frags = fill_aead_req_fields(skb, req, src, ivsize, aeadctx);
+ atomic_inc(&adap->chcr_stats.aead_rqst);
create_wreq(ctx, chcr_req, &req->base, skb, kctx_len, 0, 1,
sizeof(struct cpl_rx_phys_dsgl) + dst_size, 0);
reqctx->skb = skb;
@@ -2316,6 +2327,7 @@ static struct sk_buff *create_gcm_wr(struct aead_request *req,
int error = -EINVAL, src_nent;
gfp_t flags = req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP ? GFP_KERNEL :
GFP_ATOMIC;
+ struct adapter *adap = padap(ctx->dev);
/* validate key size */
if (aeadctx->enckey_len == 0)
@@ -2355,6 +2367,7 @@ static struct sk_buff *create_gcm_wr(struct aead_request *req,
T6_MAX_AAD_SIZE,
transhdr_len + (sgl_len(src_nent + MIN_GCM_SG) * 8),
op_type)) {
+ atomic_inc(&adap->chcr_stats.fallback);
return ERR_PTR(chcr_aead_fallback(req, op_type));
}
skb = alloc_skb((transhdr_len + sizeof(struct sge_opaque_hdr)), flags);
@@ -2421,6 +2434,7 @@ static struct sk_buff *create_gcm_wr(struct aead_request *req,
write_sg_to_skb(skb, &frags, req->src, assoclen);
write_buffer_to_skb(skb, &frags, reqctx->iv, ivsize);
write_sg_to_skb(skb, &frags, src, req->cryptlen);
+ atomic_inc(&adap->chcr_stats.aead_rqst);
create_wreq(ctx, chcr_req, &req->base, skb, kctx_len, size, 1,
sizeof(struct cpl_rx_phys_dsgl) + dst_size,
reqctx->verify);
diff --git a/drivers/crypto/chelsio/chcr_core.c b/drivers/crypto/chelsio/chcr_core.c
index a6c938a..5ae659a 100644
--- a/drivers/crypto/chelsio/chcr_core.c
+++ b/drivers/crypto/chelsio/chcr_core.c
@@ -100,6 +100,7 @@ static int cpl_fw6_pld_handler(struct chcr_dev *dev,
struct cpl_fw6_pld *fw6_pld;
u32 ack_err_status = 0;
int error_status = 0;
+ struct adapter *adap = padap(dev);
fw6_pld = (struct cpl_fw6_pld *)input;
req = (struct crypto_async_request *)(uintptr_t)be64_to_cpu(
@@ -111,6 +112,7 @@ static int cpl_fw6_pld_handler(struct chcr_dev *dev,
if (CHK_MAC_ERR_BIT(ack_err_status) ||
CHK_PAD_ERR_BIT(ack_err_status))
error_status = -EBADMSG;
+ atomic_inc(&adap->chcr_stats.error);
}
/* call completion callback with failure status */
if (req) {
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
index e88c180..b32eb8c 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
@@ -868,6 +868,7 @@ struct adapter {
/* TC u32 offload */
struct cxgb4_tc_u32_table *tc_u32;
+ struct chcr_stats_debug chcr_stats;
};
/* Support for "sched-class" command to allow a TX Scheduling Class to be
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
index 1fa34b0..77a59d7 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
@@ -3069,6 +3069,40 @@ static int meminfo_open(struct inode *inode, struct file *file)
.llseek = seq_lseek,
.release = single_release,
};
+
+static int chcr_show(struct seq_file *seq, void *v)
+{
+ struct adapter *adap = seq->private;
+
+ seq_puts(seq, "Chelsio Crypto Accelerator Stats \n");
+ seq_printf(seq, "Cipher Ops: %10u \n",
+ atomic_read(&adap->chcr_stats.cipher_rqst));
+ seq_printf(seq, "Digest Ops: %10u \n",
+ atomic_read(&adap->chcr_stats.digest_rqst));
+ seq_printf(seq, "Aead Ops: %10u \n",
+ atomic_read(&adap->chcr_stats.aead_rqst));
+ seq_printf(seq, "Completion: %10u \n",
+ atomic_read(&adap->chcr_stats.complete));
+ seq_printf(seq, "Error: %10u \n",
+ atomic_read(&adap->chcr_stats.error));
+ seq_printf(seq, "Fallback: %10u \n",
+ atomic_read(&adap->chcr_stats.fallback));
+ return 0;
+}
+
+
+static int chcr_stats_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, chcr_show, inode->i_private);
+}
+
+static const struct file_operations chcr_stats_debugfs_fops = {
+ .owner = THIS_MODULE,
+ .open = chcr_stats_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
/* Add an array of Debug FS files.
*/
void add_debugfs_files(struct adapter *adap,
@@ -3143,6 +3177,7 @@ int t4_setup_debugfs(struct adapter *adap)
{ "tids", &tid_info_debugfs_fops, S_IRUSR, 0},
{ "blocked_fl", &blocked_fl_fops, S_IRUSR | S_IWUSR, 0 },
{ "meminfo", &meminfo_fops, S_IRUSR, 0 },
+ { "crypto", &chcr_stats_debugfs_fops, S_IRUSR, 0 },
};
/* Debug FS nodes common to all T5 and later adapters.
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
index 6e74040..35f4d9f 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
@@ -275,6 +275,15 @@ struct cxgb4_virt_res { /* virtualized HW resources */
unsigned int ncrypto_fc;
};
+struct chcr_stats_debug {
+ atomic_t cipher_rqst;
+ atomic_t digest_rqst;
+ atomic_t aead_rqst;
+ atomic_t complete;
+ atomic_t error;
+ atomic_t fallback;
+};
+
#define OCQ_WIN_OFFSET(pdev, vres) \
(pci_resource_len((pdev), 2) - roundup_pow_of_two((vres)->ocq.size))
--
1.8.3.1
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