From 15f0573e9254763c3680bfbfa4bfab8599e5ab84 Mon Sep 17 00:00:00 2001 From: Jiawen Wu Date: Sat, 8 May 2021 14:35:26 +0800 Subject: [PATCH] net/txgbe: fix QinQ strip Support to enable and disable QINQ hardware strip, when configure VLAN offload with QINQ strip mask. If there are packets have QINQ tag to RSS, users should enable QINQ strip before configuring the RSS. Fixes: 220b0e49bc47 ("net/txgbe: support VLAN") Cc: stable@dpdk.org Signed-off-by: Jiawen Wu --- drivers/net/txgbe/txgbe_ethdev.c | 39 +++++++++++++++++++++++++++----- 1 file changed, 33 insertions(+), 6 deletions(-) diff --git a/drivers/net/txgbe/txgbe_ethdev.c b/drivers/net/txgbe/txgbe_ethdev.c index 46d6f541b5..e62675520a 100644 --- a/drivers/net/txgbe/txgbe_ethdev.c +++ b/drivers/net/txgbe/txgbe_ethdev.c @@ -1186,7 +1186,6 @@ txgbe_vlan_hw_extend_disable(struct rte_eth_dev *dev) ctrl = rd32(hw, TXGBE_PORTCTL); ctrl &= ~TXGBE_PORTCTL_VLANEXT; - ctrl &= ~TXGBE_PORTCTL_QINQ; wr32(hw, TXGBE_PORTCTL, ctrl); } @@ -1194,17 +1193,38 @@ static void txgbe_vlan_hw_extend_enable(struct rte_eth_dev *dev) { struct txgbe_hw *hw = TXGBE_DEV_HW(dev); - struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode; - struct rte_eth_txmode *txmode = &dev->data->dev_conf.txmode; uint32_t ctrl; PMD_INIT_FUNC_TRACE(); ctrl = rd32(hw, TXGBE_PORTCTL); ctrl |= TXGBE_PORTCTL_VLANEXT; - if (rxmode->offloads & DEV_RX_OFFLOAD_QINQ_STRIP || - txmode->offloads & DEV_TX_OFFLOAD_QINQ_INSERT) - ctrl |= TXGBE_PORTCTL_QINQ; + wr32(hw, TXGBE_PORTCTL, ctrl); +} + +static void +txgbe_qinq_hw_strip_disable(struct rte_eth_dev *dev) +{ + struct txgbe_hw *hw = TXGBE_DEV_HW(dev); + uint32_t ctrl; + + PMD_INIT_FUNC_TRACE(); + + ctrl = rd32(hw, TXGBE_PORTCTL); + ctrl &= ~TXGBE_PORTCTL_QINQ; + wr32(hw, TXGBE_PORTCTL, ctrl); +} + +static void +txgbe_qinq_hw_strip_enable(struct rte_eth_dev *dev) +{ + struct txgbe_hw *hw = TXGBE_DEV_HW(dev); + uint32_t ctrl; + + PMD_INIT_FUNC_TRACE(); + + ctrl = rd32(hw, TXGBE_PORTCTL); + ctrl |= TXGBE_PORTCTL_QINQ | TXGBE_PORTCTL_VLANEXT; wr32(hw, TXGBE_PORTCTL, ctrl); } @@ -1271,6 +1291,13 @@ txgbe_vlan_offload_config(struct rte_eth_dev *dev, int mask) txgbe_vlan_hw_extend_disable(dev); } + if (mask & ETH_QINQ_STRIP_MASK) { + if (rxmode->offloads & DEV_RX_OFFLOAD_QINQ_STRIP) + txgbe_qinq_hw_strip_enable(dev); + else + txgbe_qinq_hw_strip_disable(dev); + } + return 0; } -- 2.20.1