From: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
To: dev@dpdk.org
Cc: matan@mellanox.com, rasland@mellanox.com, thomas@monjalon.net,
ferruh.yigit@intel.com
Subject: [dpdk-dev] [PATCH] net/mlx5: fix inline packet size for ConnectX-4LX
Date: Thu, 20 Feb 2020 21:18:33 +0000 [thread overview]
Message-ID: <1582233513-3372-1-git-send-email-viacheslavo@mellanox.com> (raw)
This patch does extra inline packet size check to tune
the ConnectX-4LX performance in the legacy Multi-Packet Write
mode.
Signed-off-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
---
drivers/net/mlx5/mlx5_rxtx.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c
index b55db4f..0df811b 100644
--- a/drivers/net/mlx5/mlx5_rxtx.c
+++ b/drivers/net/mlx5/mlx5_rxtx.c
@@ -4281,6 +4281,8 @@ enum mlx5_txcmp_code {
loc->mbuf->ol_flags & PKT_TX_DYNF_NOINLINE)
goto pointer_empw;
if (MLX5_TXOFF_CONFIG(MPW)) {
+ if (dlen > txq->inlen_send)
+ goto pointer_empw;
tlen = dlen;
if (part == room) {
/* Open new inline MPW session. */
--
1.8.3.1
next reply other threads:[~2020-02-20 21:18 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-20 21:18 Viacheslav Ovsiienko [this message]
2020-02-21 7:37 ` Matan Azrad
2020-02-21 7:39 ` Slava Ovsiienko
2020-02-21 9:44 ` Ferruh Yigit
2020-02-21 9:51 ` Slava Ovsiienko
2020-02-21 10:07 ` Ferruh Yigit
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