From: Jiawen Wu <jiawenwu@trustnetic.com>
To: dev@dpdk.org
Cc: Jiawen Wu <jiawenwu@trustnetic.com>
Subject: [dpdk-dev] [PATCH v2 14/26] net/ngbe: add loopback mode
Date: Thu, 21 Oct 2021 17:50:11 +0800 [thread overview]
Message-ID: <20211021095023.18288-15-jiawenwu@trustnetic.com> (raw)
In-Reply-To: <20211021095023.18288-1-jiawenwu@trustnetic.com>
Support loopback operation mode.
Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
---
drivers/net/ngbe/ngbe_ethdev.c | 6 ++++++
drivers/net/ngbe/ngbe_rxtx.c | 28 ++++++++++++++++++++++++++++
2 files changed, 34 insertions(+)
diff --git a/drivers/net/ngbe/ngbe_ethdev.c b/drivers/net/ngbe/ngbe_ethdev.c
index 121e78973e..b91437840e 100644
--- a/drivers/net/ngbe/ngbe_ethdev.c
+++ b/drivers/net/ngbe/ngbe_ethdev.c
@@ -926,6 +926,10 @@ ngbe_dev_start(struct rte_eth_dev *dev)
goto error;
}
+ /* Skip link setup if loopback mode is enabled. */
+ if (hw->is_pf && dev->data->dev_conf.lpbk_mode)
+ goto skip_link_setup;
+
err = hw->mac.check_link(hw, &speed, &link_up, 0);
if (err != 0)
goto error;
@@ -969,6 +973,8 @@ ngbe_dev_start(struct rte_eth_dev *dev)
if (err != 0)
goto error;
+skip_link_setup:
+
if (rte_intr_allow_others(intr_handle)) {
ngbe_dev_misc_interrupt_setup(dev);
/* check if lsc interrupt is enabled */
diff --git a/drivers/net/ngbe/ngbe_rxtx.c b/drivers/net/ngbe/ngbe_rxtx.c
index 9bcd2612fc..f2bc90b7e7 100644
--- a/drivers/net/ngbe/ngbe_rxtx.c
+++ b/drivers/net/ngbe/ngbe_rxtx.c
@@ -2468,6 +2468,17 @@ ngbe_dev_rx_init(struct rte_eth_dev *dev)
wr32m(hw, NGBE_FRMSZ, NGBE_FRMSZ_MAX_MASK,
NGBE_FRMSZ_MAX(dev->data->mtu + NGBE_ETH_OVERHEAD));
+ /*
+ * If loopback mode is configured, set LPBK bit.
+ */
+ hlreg0 = rd32(hw, NGBE_PSRCTL);
+ if (hw->is_pf && dev->data->dev_conf.lpbk_mode)
+ hlreg0 |= NGBE_PSRCTL_LBENA;
+ else
+ hlreg0 &= ~NGBE_PSRCTL_LBENA;
+
+ wr32(hw, NGBE_PSRCTL, hlreg0);
+
/*
* Assume no header split and no VLAN strip support
* on any Rx queue first .
@@ -2586,6 +2597,19 @@ ngbe_dev_tx_init(struct rte_eth_dev *dev)
}
}
+/*
+ * Set up link loopback mode Tx->Rx.
+ */
+static inline void
+ngbe_setup_loopback_link(struct ngbe_hw *hw)
+{
+ PMD_INIT_FUNC_TRACE();
+
+ wr32m(hw, NGBE_MACRXCFG, NGBE_MACRXCFG_LB, NGBE_MACRXCFG_LB);
+
+ msec_delay(50);
+}
+
/*
* Start Transmit and Receive Units.
*/
@@ -2640,6 +2664,10 @@ ngbe_dev_rxtx_start(struct rte_eth_dev *dev)
rxctrl |= NGBE_PBRXCTL_ENA;
hw->mac.enable_rx_dma(hw, rxctrl);
+ /* If loopback mode is enabled, set up the link accordingly */
+ if (hw->is_pf && dev->data->dev_conf.lpbk_mode)
+ ngbe_setup_loopback_link(hw);
+
return 0;
}
--
2.21.0.windows.1
next prev parent reply other threads:[~2021-10-21 9:52 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 ` [dpdk-dev] [PATCH v2 07/26] net/ngbe: support jumbo frame Jiawen Wu
2021-10-29 22:17 ` 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 ` Jiawen Wu [this message]
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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