patch 'net/nfp: fix control message overflow' has been queued to stable release 24.11.3

[Kevin Traynor]

Hi,

FYI, your patch has been queued to stable release 24.11.3

Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
It will be pushed if I get no objections before 07/23/25. So please
shout if anyone has objections.

Also note that after the patch there's a diff of the upstream commit vs the
patch applied to the branch. This will indicate if there was any rebasing
needed to apply to the stable branch. If there were code changes for rebasing
(ie: not only metadata diffs), please double check that the rebase was
correctly done.

Queued patches are on a temporary branch at:
https://github.com/kevintraynor/dpdk-stable

This queued commit can be viewed at:
https://github.com/kevintraynor/dpdk-stable/commit/5c4260919b86848745f0676f8e4179d9556221e6

Thanks.

Kevin

---
>From 5c4260919b86848745f0676f8e4179d9556221e6 Mon Sep 17 00:00:00 2001
From: Long Wu <long.wu at corigine.com>
Date: Mon, 14 Apr 2025 14:02:27 +0800
Subject: [PATCH] net/nfp: fix control message overflow

[ upstream commit 3bceb13047ea31868fb82beeb19befff636d9f20 ]

Control message will send 32 bits data every time, so the number
of write operations should be adjust correctly, or there will be
over flow problem.

Fixes: ca65f2eef224 ("net/nfp: add control message channel")

Signed-off-by: Long Wu <long.wu at corigine.com>
Reviewed-by: Chaoyong He <chaoyong.he at corigine.com>
---
 drivers/net/nfp/nfp_net_cmsg.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/nfp/nfp_net_cmsg.c b/drivers/net/nfp/nfp_net_cmsg.c
index 8f77c5588a..1ebd66bb0f 100644
--- a/drivers/net/nfp/nfp_net_cmsg.c
+++ b/drivers/net/nfp/nfp_net_cmsg.c
@@ -37,6 +37,7 @@ nfp_net_cmsg_xmit(struct nfp_net_hw *hw,
 	int ret;
 	uint32_t i;
+	uint32_t data_num = msg_size / sizeof(uint32_t);
 
-	for (i = 0; i < msg_size; i++)
+	for (i = 0; i < data_num; i++)
 		nn_cfg_writel(&hw->super, NFP_NET_CFG_MBOX_VAL + 4 * i, *((uint32_t *)cmsg + i));
 
-- 
2.50.0

---
  Diff of the applied patch vs upstream commit (please double-check if non-empty:
---
--- -	2025-07-18 20:29:12.808406285 +0100
+++ 0049-net-nfp-fix-control-message-overflow.patch	2025-07-18 20:29:10.931810130 +0100
@@ -1 +1 @@
-From 3bceb13047ea31868fb82beeb19befff636d9f20 Mon Sep 17 00:00:00 2001
+From 5c4260919b86848745f0676f8e4179d9556221e6 Mon Sep 17 00:00:00 2001
@@ -5,0 +6,2 @@
+[ upstream commit 3bceb13047ea31868fb82beeb19befff636d9f20 ]
+
@@ -11 +12,0 @@
-Cc: stable at dpdk.org