patch 'net/cnxk: fix outbound security with higher packet burst' has been queued to stable release 21.11.8

[Kevin Traynor]

Hi,

FYI, your patch has been queued to stable release 21.11.8

Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
It will be pushed if I get no objections before 08/28/24. 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/9c45669c03592afcc20f42748ef790feb6414c8b

Thanks.

Kevin

---
>From 9c45669c03592afcc20f42748ef790feb6414c8b Mon Sep 17 00:00:00 2001
From: Nithin Dabilpuram <ndabilpuram at marvell.com>
Date: Tue, 28 May 2024 12:35:19 +0530
Subject: [PATCH] net/cnxk: fix outbound security with higher packet burst

[ upstream commit 062f6f652445a283a186dc6c62c692ba7c91cc3c ]

Fix issue with outbound security path while handling mixed traffic i.e
both plain and inline outbound packets being present as part of burst
and burst size is > 32. The loop needs to be broken when
we don't have space for 4 packets in LMT lines for CPT considering
both the full LMT lines and partial LMT lines used.

Fixes: 55bfac717c72 ("net/cnxk: support Tx security offload on cn10k")

Signed-off-by: Nithin Dabilpuram <ndabilpuram at marvell.com>
---
 drivers/net/cnxk/cn10k_tx.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/cnxk/cn10k_tx.h b/drivers/net/cnxk/cn10k_tx.h
index bd9eba08e9..7e0ec4f048 100644
--- a/drivers/net/cnxk/cn10k_tx.h
+++ b/drivers/net/cnxk/cn10k_tx.h
@@ -1576,5 +1576,6 @@ again:
 
 	for (i = 0; i < burst; i += NIX_DESCS_PER_LOOP) {
-		if (flags & NIX_TX_OFFLOAD_SECURITY_F && c_lnum + 2 > 16) {
+		if (flags & NIX_TX_OFFLOAD_SECURITY_F &&
+		    (((int)((16 - c_lnum) << 1) - c_loff) < 4)) {
 			burst = i;
 			break;
-- 
2.46.0

---
  Diff of the applied patch vs upstream commit (please double-check if non-empty:
---
--- -	2024-08-23 17:18:11.325913223 +0100
+++ 0047-net-cnxk-fix-outbound-security-with-higher-packet-bu.patch	2024-08-23 17:18:09.700430035 +0100
@@ -1 +1 @@
-From 062f6f652445a283a186dc6c62c692ba7c91cc3c Mon Sep 17 00:00:00 2001
+From 9c45669c03592afcc20f42748ef790feb6414c8b Mon Sep 17 00:00:00 2001
@@ -5,0 +6,2 @@
+[ upstream commit 062f6f652445a283a186dc6c62c692ba7c91cc3c ]
+
@@ -13 +14,0 @@
-Cc: stable at dpdk.org
@@ -21 +22 @@
-index 5c4b9e559e..9ce41fe80f 100644
+index bd9eba08e9..7e0ec4f048 100644
@@ -24 +25 @@
-@@ -2273,5 +2273,6 @@ again:
+@@ -1576,5 +1576,6 @@ again: