patch 'net/iavf: fix checksum offloading' has been queued to stable release 22.11.4

[Xueming Li]

Hi,

FYI, your patch has been queued to stable release 22.11.4

Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
It will be pushed if I get no objections before 11/15/23. 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://git.dpdk.org/dpdk-stable/log/?h=22.11-staging

This queued commit can be viewed at:
https://git.dpdk.org/dpdk-stable/commit/?h=22.11-staging&id=baaa29889396f58d78dd7d429c8ecf8970b9ca22

Thanks.

Xueming Li <xuemingl at nvidia.com>

---
>From baaa29889396f58d78dd7d429c8ecf8970b9ca22 Mon Sep 17 00:00:00 2001
From: David Marchand <david.marchand at redhat.com>
Date: Wed, 23 Aug 2023 08:29:11 +0200
Subject: [PATCH] net/iavf: fix checksum offloading
Cc: Xueming Li <xuemingl at nvidia.com>

[ upstream commit 3c715591ece0771b7a5503ffe5340c6f3cc1cb62 ]

l2_len and l3_len fields are related to Tx offloading features.

It is undefined in the DPDK API what those fields may contain if an
application did not request a Tx offload.

Skip reading them if no Tx offloads has been requested.

Fixes: 1e728b01120c ("net/iavf: rework Tx path")

Signed-off-by: David Marchand <david.marchand at redhat.com>
Acked-by: Qi Zhang <qi.z.zhang at intel.com>
---
 drivers/net/iavf/iavf_rxtx.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/iavf/iavf_rxtx.c b/drivers/net/iavf/iavf_rxtx.c
index 4a38a7b985..97df9d1699 100644
--- a/drivers/net/iavf/iavf_rxtx.c
+++ b/drivers/net/iavf/iavf_rxtx.c
@@ -2597,6 +2597,9 @@ iavf_build_data_desc_cmd_offset_fields(volatile uint64_t *qw1,
 		l2tag1 |= m->vlan_tci;
 	}

+	if ((m->ol_flags & IAVF_TX_CKSUM_OFFLOAD_MASK) == 0)
+		goto skip_cksum;
+
 	/* Set MACLEN */
 	if (m->ol_flags & RTE_MBUF_F_TX_TUNNEL_MASK &&
 			!(m->ol_flags & RTE_MBUF_F_TX_SEC_OFFLOAD))
@@ -2656,6 +2659,7 @@ iavf_build_data_desc_cmd_offset_fields(volatile uint64_t *qw1,
 		break;
 	}

+skip_cksum:
 	*qw1 = rte_cpu_to_le_64((((uint64_t)command <<
 		IAVF_TXD_DATA_QW1_CMD_SHIFT) & IAVF_TXD_DATA_QW1_CMD_MASK) |
 		(((uint64_t)offset << IAVF_TXD_DATA_QW1_OFFSET_SHIFT) &
--
2.25.1

---
  Diff of the applied patch vs upstream commit (please double-check if non-empty:
---
--- -	2023-10-22 22:17:37.434620200 +0800
+++ 0084-net-iavf-fix-checksum-offloading.patch	2023-10-22 22:17:34.316723700 +0800
@@ -1 +1 @@
-From 3c715591ece0771b7a5503ffe5340c6f3cc1cb62 Mon Sep 17 00:00:00 2001
+From baaa29889396f58d78dd7d429c8ecf8970b9ca22 Mon Sep 17 00:00:00 2001
@@ -4,0 +5,3 @@
+Cc: Xueming Li <xuemingl at nvidia.com>
+
+[ upstream commit 3c715591ece0771b7a5503ffe5340c6f3cc1cb62 ]
@@ -14 +16,0 @@
-Cc: stable at dpdk.org
@@ -23 +25 @@
-index f7df4665d1..33b0f9f482 100644
+index 4a38a7b985..97df9d1699 100644
@@ -26 +28 @@
-@@ -2643,6 +2643,9 @@ iavf_build_data_desc_cmd_offset_fields(volatile uint64_t *qw1,
+@@ -2597,6 +2597,9 @@ iavf_build_data_desc_cmd_offset_fields(volatile uint64_t *qw1,
@@ -36 +38 @@
-@@ -2702,6 +2705,7 @@ iavf_build_data_desc_cmd_offset_fields(volatile uint64_t *qw1,
+@@ -2656,6 +2659,7 @@ iavf_build_data_desc_cmd_offset_fields(volatile uint64_t *qw1,