patch 'net/ngbe: fix MTU range' has been queued to stable release 21.11.8

Kevin Traynor ktraynor at redhat.com
Fri Aug 23 18:18:52 CEST 2024


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/326ede6dd4cb837cde7cb960ffb0613f7cc1c8c3

Thanks.

Kevin

---
>From 326ede6dd4cb837cde7cb960ffb0613f7cc1c8c3 Mon Sep 17 00:00:00 2001
From: Jiawen Wu <jiawenwu at trustnetic.com>
Date: Tue, 18 Jun 2024 15:11:44 +0800
Subject: [PATCH] net/ngbe: fix MTU range

[ upstream commit df2075eb681111637d5340c9abaf60e0aefab615 ]

The valid range of MTU is 68 to 9414. Set min_mtu and max_mtu in
dev_info.

Fixes: 07baabb6a51a ("net/ngbe: support MTU set")

Signed-off-by: Jiawen Wu <jiawenwu at trustnetic.com>
---
 drivers/net/ngbe/ngbe_ethdev.c | 4 +++-
 drivers/net/ngbe/ngbe_ethdev.h | 1 +
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ngbe/ngbe_ethdev.c b/drivers/net/ngbe/ngbe_ethdev.c
index 7f7bedddba..7866f05571 100644
--- a/drivers/net/ngbe/ngbe_ethdev.c
+++ b/drivers/net/ngbe/ngbe_ethdev.c
@@ -1767,5 +1767,7 @@ ngbe_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 	dev_info->max_tx_queues = (uint16_t)hw->mac.max_tx_queues;
 	dev_info->min_rx_bufsize = 1024;
-	dev_info->max_rx_pktlen = 15872;
+	dev_info->max_rx_pktlen = NGBE_MAX_MTU + NGBE_ETH_OVERHEAD;
+	dev_info->min_mtu = RTE_ETHER_MIN_MTU;
+	dev_info->max_mtu = NGBE_MAX_MTU;
 	dev_info->max_mac_addrs = hw->mac.num_rar_entries;
 	dev_info->max_hash_mac_addrs = NGBE_VMDQ_NUM_UC_MAC;
diff --git a/drivers/net/ngbe/ngbe_ethdev.h b/drivers/net/ngbe/ngbe_ethdev.h
index 8d500fd38c..bc26f4eebb 100644
--- a/drivers/net/ngbe/ngbe_ethdev.h
+++ b/drivers/net/ngbe/ngbe_ethdev.h
@@ -32,4 +32,5 @@
 #define NGBE_QUEUE_ITR_INTERVAL_DEFAULT	500 /* 500us */
 
+#define NGBE_MAX_MTU		9414
 /* The overhead from MTU to max frame size. */
 #define NGBE_ETH_OVERHEAD (RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN)
-- 
2.46.0

---
  Diff of the applied patch vs upstream commit (please double-check if non-empty:
---
--- -	2024-08-23 17:18:12.774427715 +0100
+++ 0104-net-ngbe-fix-MTU-range.patch	2024-08-23 17:18:09.835430507 +0100
@@ -1 +1 @@
-From df2075eb681111637d5340c9abaf60e0aefab615 Mon Sep 17 00:00:00 2001
+From 326ede6dd4cb837cde7cb960ffb0613f7cc1c8c3 Mon Sep 17 00:00:00 2001
@@ -5,0 +6,2 @@
+[ upstream commit df2075eb681111637d5340c9abaf60e0aefab615 ]
+
@@ -10 +11,0 @@
-Cc: stable at dpdk.org
@@ -19 +20 @@
-index 9d75e222c3..d7fc4bc70b 100644
+index 7f7bedddba..7866f05571 100644
@@ -22 +23 @@
-@@ -1819,5 +1819,7 @@ ngbe_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
+@@ -1767,5 +1767,7 @@ ngbe_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
@@ -32 +33 @@
-index c748bfbe4d..7af58a57ac 100644
+index 8d500fd38c..bc26f4eebb 100644
@@ -35 +36 @@
-@@ -33,4 +33,5 @@
+@@ -32,4 +32,5 @@



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