[dpdk-dev] [PATCH v4 3/3] net/hinic: adds txq xstats member
Xiaoyun wang
cloud.wangxiaoyun at huawei.com
Fri Apr 10 11:21:47 CEST 2020
Because some APPs may pass illegal parameters, driver increases
checks on illegal parameters and DFX statistics, which includes
sge_len0 and mbuf_null txq xstats member.
Signed-off-by: Xiaoyun wang <cloud.wangxiaoyun at huawei.com>
---
drivers/net/hinic/hinic_pmd_ethdev.c | 2 ++
drivers/net/hinic/hinic_pmd_tx.c | 31 +++++++++++++++++++++++++++++++
drivers/net/hinic/hinic_pmd_tx.h | 2 ++
3 files changed, 35 insertions(+)
diff --git a/drivers/net/hinic/hinic_pmd_ethdev.c b/drivers/net/hinic/hinic_pmd_ethdev.c
index 4091cf1..cfbca64 100644
--- a/drivers/net/hinic/hinic_pmd_ethdev.c
+++ b/drivers/net/hinic/hinic_pmd_ethdev.c
@@ -225,6 +225,8 @@ struct hinic_xstats_name_off {
{"copy_pkts", offsetof(struct hinic_txq_stats, cpy_pkts)},
{"rl_drop", offsetof(struct hinic_txq_stats, rl_drop)},
{"burst_pkts", offsetof(struct hinic_txq_stats, burst_pkts)},
+ {"sge_len0", offsetof(struct hinic_txq_stats, sge_len0)},
+ {"mbuf_null", offsetof(struct hinic_txq_stats, mbuf_null)},
};
#define HINIC_TXQ_XSTATS_NUM (sizeof(hinic_txq_stats_strings) / \
diff --git a/drivers/net/hinic/hinic_pmd_tx.c b/drivers/net/hinic/hinic_pmd_tx.c
index f24e3e4..258f2c1 100644
--- a/drivers/net/hinic/hinic_pmd_tx.c
+++ b/drivers/net/hinic/hinic_pmd_tx.c
@@ -334,7 +334,16 @@ static inline bool hinic_mbuf_dma_map_sge(struct hinic_txq *txq,
i = 0;
for (sge_idx = sges; (u64)sge_idx <= txq->sq_bot_sge_addr;
sge_idx++) {
+ if (unlikely(mbuf == NULL)) {
+ txq->txq_stats.mbuf_null++;
+ return false;
+ }
+
dma_addr = rte_mbuf_data_iova(mbuf);
+ if (unlikely(mbuf->data_len == 0)) {
+ txq->txq_stats.sge_len0++;
+ return false;
+ }
hinic_set_sge((struct hinic_sge *)sge_idx, dma_addr,
mbuf->data_len);
mbuf = mbuf->next;
@@ -345,7 +354,16 @@ static inline bool hinic_mbuf_dma_map_sge(struct hinic_txq *txq,
sge_idx = (struct hinic_sq_bufdesc *)
((void *)txq->sq_head_addr);
for (; i < nb_segs; i++) {
+ if (unlikely(mbuf == NULL)) {
+ txq->txq_stats.mbuf_null++;
+ return false;
+ }
+
dma_addr = rte_mbuf_data_iova(mbuf);
+ if (unlikely(mbuf->data_len == 0)) {
+ txq->txq_stats.sge_len0++;
+ return false;
+ }
hinic_set_sge((struct hinic_sge *)sge_idx, dma_addr,
mbuf->data_len);
mbuf = mbuf->next;
@@ -357,7 +375,16 @@ static inline bool hinic_mbuf_dma_map_sge(struct hinic_txq *txq,
} else {
/* wqe is in continuous space */
for (i = 0; i < nb_segs; i++) {
+ if (unlikely(mbuf == NULL)) {
+ txq->txq_stats.mbuf_null++;
+ return false;
+ }
+
dma_addr = rte_mbuf_data_iova(mbuf);
+ if (unlikely(mbuf->data_len == 0)) {
+ txq->txq_stats.sge_len0++;
+ return false;
+ }
hinic_set_sge((struct hinic_sge *)sge_idx, dma_addr,
mbuf->data_len);
mbuf = mbuf->next;
@@ -378,6 +405,10 @@ static inline bool hinic_mbuf_dma_map_sge(struct hinic_txq *txq,
/* deal with the last mbuf */
dma_addr = rte_mbuf_data_iova(mbuf);
+ if (unlikely(mbuf->data_len == 0)) {
+ txq->txq_stats.sge_len0++;
+ return false;
+ }
hinic_set_sge((struct hinic_sge *)sge_idx, dma_addr,
mbuf->data_len);
if (unlikely(sqe_info->around))
diff --git a/drivers/net/hinic/hinic_pmd_tx.h b/drivers/net/hinic/hinic_pmd_tx.h
index dabbc6c..d98abad 100644
--- a/drivers/net/hinic/hinic_pmd_tx.h
+++ b/drivers/net/hinic/hinic_pmd_tx.h
@@ -93,6 +93,8 @@ struct hinic_txq_stats {
u64 off_errs;
u64 cpy_pkts;
u64 burst_pkts;
+ u64 sge_len0;
+ u64 mbuf_null;
};
struct hinic_tx_info {
--
1.8.3.1
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