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From: Jiawen Wu <jiawenwu@trustnetic.com>
To: dev@dpdk.org
Cc: Jiawen Wu <jiawenwu@trustnetic.com>
Subject: [dpdk-dev] [PATCH v2 07/26] net/ngbe: support jumbo frame
Date: Thu, 21 Oct 2021 17:50:04 +0800	[thread overview]
Message-ID: <20211021095023.18288-8-jiawenwu@trustnetic.com> (raw)
In-Reply-To: <20211021095023.18288-1-jiawenwu@trustnetic.com>

Add to support Rx jumbo frames.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
---
 doc/guides/nics/features/ngbe.ini | 1 +
 doc/guides/nics/ngbe.rst          | 1 +
 drivers/net/ngbe/ngbe_ethdev.h    | 3 +++
 drivers/net/ngbe/ngbe_rxtx.c      | 5 ++++-
 4 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/doc/guides/nics/features/ngbe.ini b/doc/guides/nics/features/ngbe.ini
index 053dff3a2f..9785820ea0 100644
--- a/doc/guides/nics/features/ngbe.ini
+++ b/doc/guides/nics/features/ngbe.ini
@@ -9,6 +9,7 @@ Link status          = Y
 Link status event    = Y
 Queue start/stop     = Y
 Burst mode info      = Y
+Jumbo frame          = Y
 Scattered Rx         = Y
 TSO                  = Y
 CRC offload          = Y
diff --git a/doc/guides/nics/ngbe.rst b/doc/guides/nics/ngbe.rst
index 6a6ae39243..702a455041 100644
--- a/doc/guides/nics/ngbe.rst
+++ b/doc/guides/nics/ngbe.rst
@@ -14,6 +14,7 @@ Features
 - Packet type information
 - Checksum offload
 - TSO offload
+- Jumbo frames
 - Link state information
 - Scattered and gather for TX and RX
 
diff --git a/drivers/net/ngbe/ngbe_ethdev.h b/drivers/net/ngbe/ngbe_ethdev.h
index 286cb893d6..b270343a3e 100644
--- a/drivers/net/ngbe/ngbe_ethdev.h
+++ b/drivers/net/ngbe/ngbe_ethdev.h
@@ -17,6 +17,9 @@
 
 #define NGBE_QUEUE_ITR_INTERVAL_DEFAULT	500 /* 500us */
 
+/* The overhead from MTU to max frame size. */
+#define NGBE_ETH_OVERHEAD (RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN)
+
 #define NGBE_MISC_VEC_ID               RTE_INTR_VEC_ZERO_OFFSET
 #define NGBE_RX_VEC_START              RTE_INTR_VEC_RXTX_OFFSET
 
diff --git a/drivers/net/ngbe/ngbe_rxtx.c b/drivers/net/ngbe/ngbe_rxtx.c
index df265bd447..b49303094e 100644
--- a/drivers/net/ngbe/ngbe_rxtx.c
+++ b/drivers/net/ngbe/ngbe_rxtx.c
@@ -2364,8 +2364,11 @@ ngbe_dev_rx_init(struct rte_eth_dev *dev)
 	hlreg0 &= ~NGBE_SECRXCTL_XDSA;
 	wr32(hw, NGBE_SECRXCTL, hlreg0);
 
+	/*
+	 * Configure jumbo frame support, if any.
+	 */
 	wr32m(hw, NGBE_FRMSZ, NGBE_FRMSZ_MAX_MASK,
-			NGBE_FRMSZ_MAX(NGBE_FRAME_SIZE_DFT));
+		NGBE_FRMSZ_MAX(dev->data->mtu + NGBE_ETH_OVERHEAD));
 
 	/* Setup Rx queues */
 	for (i = 0; i < dev->data->nb_rx_queues; i++) {
-- 
2.21.0.windows.1




  parent reply	other threads:[~2021-10-21  9:51 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-21  9:49 [dpdk-dev] [PATCH v2 00/26] net/ngbe: add many features Jiawen Wu
2021-10-21  9:49 ` [dpdk-dev] [PATCH v2 01/26] net/ngbe: add packet type Jiawen Wu
2021-10-21  9:49 ` [dpdk-dev] [PATCH v2 02/26] net/ngbe: support scattered Rx Jiawen Wu
2021-10-21  9:50 ` [dpdk-dev] [PATCH v2 03/26] net/ngbe: support Rx checksum offload Jiawen Wu
2021-10-21  9:50 ` [dpdk-dev] [PATCH v2 04/26] net/ngbe: support TSO Jiawen Wu
2021-10-21  9:50 ` [dpdk-dev] [PATCH v2 05/26] net/ngbe: support Rx/Tx burst mode info Jiawen Wu
2021-10-21  9:50 ` [dpdk-dev] [PATCH v2 06/26] net/ngbe: support CRC offload Jiawen Wu
2021-10-21  9:50 ` Jiawen Wu [this message]
2021-10-29 22:17   ` [dpdk-dev] [PATCH v2 07/26] net/ngbe: support jumbo frame Ferruh Yigit
2021-10-21  9:50 ` [dpdk-dev] [PATCH v2 08/26] net/ngbe: support VLAN offload and VLAN filter Jiawen Wu
2021-10-21  9:50 ` [dpdk-dev] [PATCH v2 09/26] net/ngbe: support basic statistics Jiawen Wu
2021-10-21  9:50 ` [dpdk-dev] [PATCH v2 10/26] net/ngbe: support device xstats Jiawen Wu
2021-10-21  9:50 ` [dpdk-dev] [PATCH v2 11/26] net/ngbe: support MTU set Jiawen Wu
2021-10-21  9:50 ` [dpdk-dev] [PATCH v2 12/26] net/ngbe: add device promiscuous and allmulticast mode Jiawen Wu
2021-10-21  9:50 ` [dpdk-dev] [PATCH v2 13/26] net/ngbe: support getting FW version Jiawen Wu
2021-10-21  9:50 ` [dpdk-dev] [PATCH v2 14/26] net/ngbe: add loopback mode Jiawen Wu
2021-10-21  9:50 ` [dpdk-dev] [PATCH v2 15/26] net/ngbe: support MAC filters Jiawen Wu
2021-10-21  9:50 ` [dpdk-dev] [PATCH v2 16/26] net/ngbe: support RSS hash Jiawen Wu
2021-10-21  9:50 ` [dpdk-dev] [PATCH v2 17/26] net/ngbe: support SRIOV Jiawen Wu
2021-10-21  9:50 ` [dpdk-dev] [PATCH v2 18/26] net/ngbe: add mailbox process operations Jiawen Wu
2021-10-21  9:50 ` [dpdk-dev] [PATCH v2 19/26] net/ngbe: support flow control Jiawen Wu
2021-10-21  9:50 ` [dpdk-dev] [PATCH v2 20/26] net/ngbe: support device LED on and off Jiawen Wu
2021-10-29 22:20   ` Ferruh Yigit
2021-10-21  9:50 ` [dpdk-dev] [PATCH v2 21/26] net/ngbe: support EEPROM dump Jiawen Wu
2021-10-21  9:50 ` [dpdk-dev] [PATCH v2 22/26] net/ngbe: support register dump Jiawen Wu
2021-10-21  9:50 ` [dpdk-dev] [PATCH v2 23/26] net/ngbe: support timesync Jiawen Wu
2021-10-21  9:50 ` [dpdk-dev] [PATCH v2 24/26] net/ngbe: add Rx and Tx queue info get Jiawen Wu
2021-10-21  9:50 ` [dpdk-dev] [PATCH v2 25/26] net/ngbe: add Rx and Tx descriptor status Jiawen Wu
2021-10-21  9:50 ` [dpdk-dev] [PATCH v2 26/26] net/ngbe: add Tx done cleanup Jiawen Wu
2021-10-29 22:24   ` Ferruh Yigit
2021-10-29 22:15 ` [dpdk-dev] [PATCH v2 00/26] net/ngbe: add many features Ferruh Yigit
2021-10-29 22:55   ` Ferruh Yigit
2021-11-01  2:08   ` Jiawen Wu

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