[PATCH 3/4] net/mlx5: fix Tx stats error counter logic
From: Shahaf Shuler <hidden>
Date: 2017-09-13 10:47:55
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Tx error counter lacks the logic of incrementation, making it useless for
applications.
Fixes: 87011737b715 ("mlx5: add software counters")
Cc: stable@dpdk.org
Cc: adrien.mazarguil@6wind.com
Signed-off-by: Shahaf Shuler <redacted>
---
drivers/net/mlx5/mlx5_rxtx.c | 20 +++++++++++++++-----
1 file changed, 15 insertions(+), 5 deletions(-)
diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c
index fe9e7eac0..7567f2329 100644
--- a/drivers/net/mlx5/mlx5_rxtx.c
+++ b/drivers/net/mlx5/mlx5_rxtx.c@@ -406,8 +406,10 @@ mlx5_tx_burst(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n) #ifdef MLX5_PMD_SOFT_COUNTERS total_length = length; #endif - if (length < (MLX5_WQE_DWORD_SIZE + 2)) + if (length < (MLX5_WQE_DWORD_SIZE + 2)) { + txq->stats.oerrors++; break; + } /* Update element. */ (*txq->elts)[elts_head & elts_m] = buf; /* Prefetch next buffer data. */
@@ -481,8 +483,10 @@ mlx5_tx_burst(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n) cs_flags |= MLX5_ETH_WQE_L4_CSUM; } if (unlikely(tso_header_sz > - MLX5_MAX_TSO_HEADER)) + MLX5_MAX_TSO_HEADER)) { + txq->stats.oerrors++; break; + } copy_b = tso_header_sz - pkt_inline_sz; /* First seg must contain all headers. */ assert(copy_b <= length);
@@ -843,8 +847,10 @@ mlx5_tx_burst_mpw(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n) if (max_elts < segs_n) break; /* Do not bother with large packets MPW cannot handle. */ - if (segs_n > MLX5_MPW_DSEG_MAX) + if (segs_n > MLX5_MPW_DSEG_MAX) { + txq->stats.oerrors++; break; + } max_elts -= segs_n; --pkts_n; /* Should we enable HW CKSUM offload */
@@ -1064,8 +1070,10 @@ mlx5_tx_burst_mpw_inline(void *dpdk_txq, struct rte_mbuf **pkts, if (max_elts < segs_n) break; /* Do not bother with large packets MPW cannot handle. */ - if (segs_n > MLX5_MPW_DSEG_MAX) + if (segs_n > MLX5_MPW_DSEG_MAX) { + txq->stats.oerrors++; break; + } max_elts -= segs_n; --pkts_n; /*
@@ -1353,8 +1361,10 @@ mlx5_tx_burst_empw(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n) if (max_elts - j < segs_n) break; /* Do not bother with large packets MPW cannot handle. */ - if (segs_n > MLX5_MPW_DSEG_MAX) + if (segs_n > MLX5_MPW_DSEG_MAX) { + txq->stats.oerrors++; break; + } /* Should we enable HW CKSUM offload. */ if (buf->ol_flags & (PKT_TX_IP_CKSUM | PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM))
--
2.12.0