DPDK patches and discussions
 help / color / mirror / Atom feed
From: Jiawen Wu <jiawenwu@trustnetic.com>
To: dev@dpdk.org
Cc: Jiawen Wu <jiawenwu@trustnetic.com>
Subject: [dpdk-dev] [PATCH v1 41/42] net/txgbe: add MTU set operation
Date: Tue,  1 Sep 2020 19:51:12 +0800	[thread overview]
Message-ID: <20200901115113.1529675-41-jiawenwu@trustnetic.com> (raw)
In-Reply-To: <20200901115113.1529675-1-jiawenwu@trustnetic.com>

Add MTU set operation.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
---
 drivers/net/txgbe/base/txgbe_type.h |  2 ++
 drivers/net/txgbe/txgbe_ethdev.c    | 41 +++++++++++++++++++++++++++++
 2 files changed, 43 insertions(+)

diff --git a/drivers/net/txgbe/base/txgbe_type.h b/drivers/net/txgbe/base/txgbe_type.h
index fcc44ece8..8d1a3a986 100644
--- a/drivers/net/txgbe/base/txgbe_type.h
+++ b/drivers/net/txgbe/base/txgbe_type.h
@@ -652,6 +652,8 @@ struct txgbe_hw {
 	void IOMEM *isb_mem;
 	u16 nb_rx_queues;
 	u16 nb_tx_queues;
+
+	u32 mode;
 	enum txgbe_link_status {
 		TXGBE_LINK_STATUS_NONE = 0,
 		TXGBE_LINK_STATUS_KX,
diff --git a/drivers/net/txgbe/txgbe_ethdev.c b/drivers/net/txgbe/txgbe_ethdev.c
index a2a8f2726..8a6b7e483 100644
--- a/drivers/net/txgbe/txgbe_ethdev.c
+++ b/drivers/net/txgbe/txgbe_ethdev.c
@@ -2744,6 +2744,46 @@ txgbe_set_default_mac_addr(struct rte_eth_dev *dev, struct rte_ether_addr *addr)
 	return 0;
 }
 
+static int
+txgbe_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
+{
+	struct txgbe_hw *hw = TXGBE_DEV_HW(dev);
+	struct rte_eth_dev_info dev_info;
+	uint32_t frame_size = mtu + RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN;
+	struct rte_eth_dev_data *dev_data = dev->data;
+	int ret;
+
+	ret = txgbe_dev_info_get(dev, &dev_info);
+	if (ret != 0)
+		return ret;
+
+	/* check that mtu is within the allowed range */
+	if ((mtu < RTE_ETHER_MIN_MTU) || (frame_size > dev_info.max_rx_pktlen))
+		return -EINVAL;
+
+	/* If device is started, refuse mtu that requires the support of
+	 * scattered packets when this feature has not been enabled before.
+	 */
+	if (dev_data->dev_started && !dev_data->scattered_rx &&
+	    (frame_size + 2 * TXGBE_VLAN_TAG_SIZE >
+	     dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM)) {
+		PMD_INIT_LOG(ERR, "Stop port first.");
+		return -EINVAL;
+	}
+
+	/* update max frame size */
+	dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
+
+	if (hw->mode)
+		wr32m(hw, TXGBE_FRMSZ, TXGBE_FRMSZ_MAX_MASK,
+			TXGBE_FRAME_SIZE_MAX);
+	else
+		wr32m(hw, TXGBE_FRMSZ, TXGBE_FRMSZ_MAX_MASK,
+			TXGBE_FRMSZ_MAX(dev->data->dev_conf.rxmode.max_rx_pkt_len));
+
+	return 0;
+}
+
 static int
 txgbe_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
 {
@@ -3076,6 +3116,7 @@ static const struct eth_dev_ops txgbe_eth_dev_ops = {
 	.fw_version_get             = txgbe_fw_version_get,
 	.dev_infos_get              = txgbe_dev_info_get,
 	.dev_supported_ptypes_get   = txgbe_dev_supported_ptypes_get,
+	.mtu_set                    = txgbe_dev_mtu_set,
 	.vlan_filter_set            = txgbe_vlan_filter_set,
 	.vlan_tpid_set              = txgbe_vlan_tpid_set,
 	.vlan_offload_set           = txgbe_vlan_offload_set,
-- 
2.18.4




  parent reply	other threads:[~2020-09-01 11:59 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-01 11:50 [dpdk-dev] [PATCH v1 01/42] net/txgbe: add build and doc infrastructure Jiawen Wu
2020-09-01 11:50 ` [dpdk-dev] [PATCH v1 02/42] net/txgbe: add ethdev probe and remove Jiawen Wu
2020-09-09 17:50   ` Ferruh Yigit
2020-09-01 11:50 ` [dpdk-dev] [PATCH v1 03/42] net/txgbe: add device init and uninit Jiawen Wu
2020-09-09 17:52   ` Ferruh Yigit
2020-09-01 11:50 ` [dpdk-dev] [PATCH v1 04/42] net/txgbe: add error types and dummy function Jiawen Wu
2020-09-01 11:50 ` [dpdk-dev] [PATCH v1 05/42] net/txgbe: add mac type and HW ops dummy Jiawen Wu
2020-09-01 11:50 ` [dpdk-dev] [PATCH v1 06/42] net/txgbe: add EEPROM functions Jiawen Wu
2020-09-01 11:50 ` [dpdk-dev] [PATCH v1 07/42] net/txgbe: add HW init function Jiawen Wu
2020-09-01 11:50 ` [dpdk-dev] [PATCH v1 08/42] net/txgbe: add HW reset operation Jiawen Wu
2020-09-01 11:50 ` [dpdk-dev] [PATCH v1 09/42] net/txgbe: add PHY init Jiawen Wu
2020-09-01 11:50 ` [dpdk-dev] [PATCH v1 10/42] net/txgbe: add module identify Jiawen Wu
2020-09-01 11:50 ` [dpdk-dev] [PATCH v1 11/42] net/txgbe: add PHY reset Jiawen Wu
2020-09-01 11:50 ` [dpdk-dev] [PATCH v1 12/42] net/txgbe: add device start and stop Jiawen Wu
2020-09-01 11:50 ` [dpdk-dev] [PATCH v1 13/42] net/txgbe: add interrupt operation Jiawen Wu
2020-09-01 11:50 ` [dpdk-dev] [PATCH v1 14/42] net/txgbe: add link status change Jiawen Wu
2020-09-01 11:50 ` [dpdk-dev] [PATCH v1 15/42] net/txgbe: add multi-speed link setup Jiawen Wu
2020-09-01 11:50 ` [dpdk-dev] [PATCH v1 16/42] net/txgbe: add autoc read and write Jiawen Wu
2020-09-01 11:50 ` [dpdk-dev] [PATCH v1 17/42] net/txgbe: support device LED on and off Jiawen Wu
2020-09-01 11:50 ` [dpdk-dev] [PATCH v1 18/42] net/txgbe: add rx and tx init Jiawen Wu
2020-09-01 11:50 ` [dpdk-dev] [PATCH v1 19/42] net/txgbe: add RX and TX start Jiawen Wu
2020-09-01 11:50 ` [dpdk-dev] [PATCH v1 20/42] net/txgbe: add RX and TX stop Jiawen Wu
2020-09-01 11:50 ` [dpdk-dev] [PATCH v1 21/42] net/txgbe: add RX and TX queues setup Jiawen Wu
2020-09-01 11:50 ` [dpdk-dev] [PATCH v1 22/42] net/txgbe: add packet type Jiawen Wu
2020-09-01 11:50 ` [dpdk-dev] [PATCH v1 23/42] net/txgbe: fill simple transmit function Jiawen Wu
2020-09-01 11:50 ` [dpdk-dev] [PATCH v1 24/42] net/txgbe: fill transmit function with hardware offload Jiawen Wu
2020-09-01 11:50 ` [dpdk-dev] [PATCH v1 25/42] net/txgbe: fill receive functions Jiawen Wu
2020-09-01 11:50 ` [dpdk-dev] [PATCH v1 26/42] net/txgbe: fill TX prepare funtion Jiawen Wu
2020-09-01 11:50 ` [dpdk-dev] [PATCH v1 27/42] net/txgbe: add device stats get Jiawen Wu
2020-09-01 11:50 ` [dpdk-dev] [PATCH v1 28/42] net/txgbe: add device xstats get Jiawen Wu
2020-09-09 17:53   ` Ferruh Yigit
2020-09-01 11:51 ` [dpdk-dev] [PATCH v1 29/42] net/txgbe: add queue stats mapping and enable RX DMA unit Jiawen Wu
2020-09-09 17:54   ` Ferruh Yigit
2020-09-01 11:51 ` [dpdk-dev] [PATCH v1 30/42] net/txgbe: add device info get Jiawen Wu
2020-09-09 17:54   ` Ferruh Yigit
2020-09-01 11:51 ` [dpdk-dev] [PATCH v1 31/42] net/txgbe: add MAC address operations Jiawen Wu
2020-09-01 11:51 ` [dpdk-dev] [PATCH v1 32/42] net/txgbe: add FW version get operation Jiawen Wu
2020-09-01 11:51 ` [dpdk-dev] [PATCH v1 33/42] net/txgbe: add EEPROM info " Jiawen Wu
2020-09-01 11:51 ` [dpdk-dev] [PATCH v1 34/42] net/txgbe: add remaining RX and TX queue operations Jiawen Wu
2020-09-09 18:15   ` Ferruh Yigit
2020-09-01 11:51 ` [dpdk-dev] [PATCH v1 35/42] net/txgbe: add VLAN handle support Jiawen Wu
2020-09-01 11:51 ` [dpdk-dev] [PATCH v1 36/42] net/txgbe: add flow control support Jiawen Wu
2020-09-01 11:51 ` [dpdk-dev] [PATCH v1 37/42] net/txgbe: add FC auto negotiation support Jiawen Wu
2020-09-01 11:51 ` [dpdk-dev] [PATCH v1 38/42] net/txgbe: add DCB packet buffer allocation Jiawen Wu
2020-09-01 11:51 ` [dpdk-dev] [PATCH v1 39/42] net/txgbe: configure DCB HW resources Jiawen Wu
2020-09-01 11:51 ` [dpdk-dev] [PATCH v1 40/42] net/txgbe: add device promiscuous and allmulticast mode Jiawen Wu
2020-09-01 11:51 ` Jiawen Wu [this message]
2020-09-01 11:51 ` [dpdk-dev] [PATCH v1 42/42] net/txgbe: add register dump support Jiawen Wu
2020-09-09 17:48 ` [dpdk-dev] [PATCH v1 01/42] net/txgbe: add build and doc infrastructure Ferruh Yigit

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200901115113.1529675-41-jiawenwu@trustnetic.com \
    --to=jiawenwu@trustnetic.com \
    --cc=dev@dpdk.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).