From: Elad Persiko <eladpe@mellanox.com>
To: dev@dpdk.org
Cc: Elad Persiko <eladpe@mellanox.com>
Subject: [dpdk-dev] [PATCH] net/mlx5: fix wrong use of vector instruction
Date: Tue, 1 Nov 2016 08:13:27 +0000 [thread overview]
Message-ID: <1477988007-26141-1-git-send-email-eladpe@mellanox.com> (raw)
Constraint alignment was not respected in Tx.
Fixes: 1d88ba171942 ("net/mlx5: refactor Tx data path")
Signed-off-by: Elad Persiko <eladpe@mellanox.com>
---
drivers/net/mlx5/mlx5_rxtx.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c
index 21164ba..ba8e202 100644
--- a/drivers/net/mlx5/mlx5_rxtx.c
+++ b/drivers/net/mlx5/mlx5_rxtx.c
@@ -309,7 +309,7 @@ mlx5_tx_dbrec(struct txq *txq)
*txq->qp_db = htonl(txq->wqe_ci);
/* Ensure ordering between DB record and BF copy. */
rte_wmb();
- rte_mov16(dst, (uint8_t *)data);
+ memcpy(dst, (uint8_t *)data, 16);
txq->bf_offset ^= (1 << txq->bf_buf_size);
}
@@ -449,7 +449,7 @@ mlx5_tx_burst(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
wqe->eseg.mss = 0;
wqe->eseg.rsvd2 = 0;
/* Start by copying the Ethernet Header. */
- rte_mov16((uint8_t *)raw, (uint8_t *)addr);
+ memcpy((uint8_t *)raw, ((uint8_t *)addr), 16);
length -= MLX5_WQE_DWORD_SIZE;
addr += MLX5_WQE_DWORD_SIZE;
/* Replace the Ethernet type by the VLAN if necessary. */
--
1.8.3.1
next reply other threads:[~2016-11-01 8:13 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-01 8:13 Elad Persiko [this message]
2016-11-01 14:24 ` Ferruh Yigit
2016-11-02 15:56 ` Adrien Mazarguil
2016-11-07 17:16 ` Thomas Monjalon
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1477988007-26141-1-git-send-email-eladpe@mellanox.com \
--to=eladpe@mellanox.com \
--cc=dev@dpdk.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).