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From: Jiawen Wu <jiawenwu@trustnetic.com>
To: dev@dpdk.org
Cc: Jiawen Wu <jiawenwu@trustnetic.com>,
stable@dpdk.org
Subject: [PATCH 13/19] net/ngbe: correct valid MTU range
Date: Tue, 18 Jun 2024 15:11:44 +0800
Message-Id: <20240618071150.21564-14-jiawenwu@trustnetic.com>
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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")
Cc: stable@dpdk.org
Signed-off-by: Jiawen Wu <jiawenwu@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 9d75e222c3..d7fc4bc70b 100644
--- a/drivers/net/ngbe/ngbe_ethdev.c
+++ b/drivers/net/ngbe/ngbe_ethdev.c
@@ -1818,7 +1818,9 @@ ngbe_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
dev_info->max_rx_queues = (uint16_t)hw->mac.max_rx_queues;
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;
dev_info->max_vfs = pci_dev->max_vfs;
diff --git a/drivers/net/ngbe/ngbe_ethdev.h b/drivers/net/ngbe/ngbe_ethdev.h
index c748bfbe4d..7af58a57ac 100644
--- a/drivers/net/ngbe/ngbe_ethdev.h
+++ b/drivers/net/ngbe/ngbe_ethdev.h
@@ -32,6 +32,7 @@
#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)
--
2.27.0