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Message-Id: <20230131100541.73757-7-mengyuanlou@net-swift.com>
Date: Tue, 31 Jan 2023 18:05:37 +0800
From: Mengyuan Lou <mengyuanlou@...-swift.com>
To: netdev@...r.kernel.org
Cc: jiawenwu@...stnetic.com
Subject: [PATCH net-next v2 06/10] net: txgbe: Setup Rx and Tx ring
From: Jiawen Wu <jiawenwu@...stnetic.com>
Improve the configuration of Rx and Tx ring, set Rx flags and implement
ndo_set_rx_mode ops.
Signed-off-by: Jiawen Wu <jiawenwu@...stnetic.com>
---
drivers/net/ethernet/wangxun/libwx/wx_type.h | 1 +
.../net/ethernet/wangxun/txgbe/txgbe_main.c | 43 +++++++++++++++++--
.../net/ethernet/wangxun/txgbe/txgbe_type.h | 3 ++
3 files changed, 44 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/wangxun/libwx/wx_type.h b/drivers/net/ethernet/wangxun/libwx/wx_type.h
index 1863c6cbc6c6..7b247af0ff17 100644
--- a/drivers/net/ethernet/wangxun/libwx/wx_type.h
+++ b/drivers/net/ethernet/wangxun/libwx/wx_type.h
@@ -200,6 +200,7 @@
#define WX_MAC_TX_CFG 0x11000
#define WX_MAC_TX_CFG_TE BIT(0)
#define WX_MAC_TX_CFG_SPEED_MASK GENMASK(30, 29)
+#define WX_MAC_TX_CFG_SPEED_10G FIELD_PREP(WX_MAC_TX_CFG_SPEED_MASK, 0)
#define WX_MAC_TX_CFG_SPEED_1G FIELD_PREP(WX_MAC_TX_CFG_SPEED_MASK, 3)
#define WX_MAC_RX_CFG 0x11004
#define WX_MAC_RX_CFG_RE BIT(0)
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
index 48cca2fb54c7..3b50acb09699 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
@@ -218,6 +218,8 @@ static int txgbe_request_irq(struct wx *wx)
static void txgbe_up_complete(struct wx *wx)
{
+ u32 reg;
+
wx_control_hw(wx, true);
wx_configure_vectors(wx);
@@ -225,6 +227,15 @@ static void txgbe_up_complete(struct wx *wx)
rd32(wx, WX_PX_IC);
rd32(wx, WX_PX_MISC_IC);
txgbe_irq_enable(wx, true);
+
+ /* Configure MAC Rx and Tx when link is up */
+ reg = rd32(wx, WX_MAC_RX_CFG);
+ wr32(wx, WX_MAC_RX_CFG, reg);
+ wr32(wx, WX_MAC_PKT_FLT, WX_MAC_PKT_FLT_PR);
+ reg = rd32(wx, WX_MAC_WDG_TIMEOUT);
+ wr32(wx, WX_MAC_WDG_TIMEOUT, reg);
+ reg = rd32(wx, WX_MAC_TX_CFG);
+ wr32(wx, WX_MAC_TX_CFG, (reg & ~WX_MAC_TX_CFG_SPEED_MASK) | WX_MAC_TX_CFG_SPEED_10G);
}
static void txgbe_reset(struct wx *wx)
@@ -246,11 +257,17 @@ static void txgbe_reset(struct wx *wx)
static void txgbe_disable_device(struct wx *wx)
{
struct net_device *netdev = wx->netdev;
+ u32 i;
wx_disable_pcie_master(wx);
/* disable receives */
wx_disable_rx(wx);
+ /* disable all enabled rx queues */
+ for (i = 0; i < wx->num_rx_queues; i++)
+ /* this call also flushes the previous write */
+ wx_disable_rx_queue(wx, wx->rx_ring[i]);
+
netif_carrier_off(netdev);
netif_tx_disable(netdev);
@@ -268,6 +285,13 @@ static void txgbe_disable_device(struct wx *wx)
wr32m(wx, WX_MAC_TX_CFG, WX_MAC_TX_CFG_TE, 0);
}
+ /* disable transmits in the hardware now that interrupts are off */
+ for (i = 0; i < wx->num_tx_queues; i++) {
+ u8 reg_idx = wx->tx_ring[i]->reg_idx;
+
+ wr32(wx, WX_PX_TR_CFG(reg_idx), WX_PX_TR_CFG_SWFLSH);
+ }
+
/* Disable the Tx DMA engine */
wr32m(wx, WX_TDM_CTL, WX_TDM_CTL_TE, 0);
}
@@ -291,6 +315,8 @@ static int txgbe_sw_init(struct wx *wx)
wx->mac.max_tx_queues = TXGBE_SP_MAX_TX_QUEUES;
wx->mac.max_rx_queues = TXGBE_SP_MAX_RX_QUEUES;
wx->mac.mcft_size = TXGBE_SP_MC_TBL_SIZE;
+ wx->mac.rx_pb_size = TXGBE_SP_RX_PB_SIZE;
+ wx->mac.tx_pb_size = TXGBE_SP_TDB_PB_SZ;
/* PCI config space info */
err = wx_sw_init(wx);
@@ -345,7 +371,7 @@ static int txgbe_open(struct net_device *netdev)
struct wx *wx = netdev_priv(netdev);
int err;
- err = wx_setup_isb_resources(wx);
+ err = wx_setup_resources(wx);
if (err)
goto err_reset;
@@ -379,7 +405,7 @@ static void txgbe_close_suspend(struct wx *wx)
txgbe_disable_device(wx);
wx_free_irq(wx);
- wx_free_isb_resources(wx);
+ wx_free_resources(wx);
}
/**
@@ -399,7 +425,7 @@ static int txgbe_close(struct net_device *netdev)
txgbe_down(wx);
wx_free_irq(wx);
- wx_free_isb_resources(wx);
+ wx_free_resources(wx);
wx_control_hw(wx, false);
return 0;
@@ -445,6 +471,7 @@ static const struct net_device_ops txgbe_netdev_ops = {
.ndo_open = txgbe_open,
.ndo_stop = txgbe_close,
.ndo_start_xmit = txgbe_xmit_frame,
+ .ndo_set_rx_mode = wx_set_rx_mode,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_mac_address = wx_set_mac,
};
@@ -549,6 +576,16 @@ static int txgbe_probe(struct pci_dev *pdev,
}
netdev->features |= NETIF_F_HIGHDMA;
+ netdev->features = NETIF_F_SG;
+
+ /* copy netdev features into list of user selectable features */
+ netdev->hw_features |= netdev->features | NETIF_F_RXALL;
+
+ netdev->priv_flags |= IFF_UNICAST_FLT;
+ netdev->priv_flags |= IFF_SUPP_NOFCS;
+
+ netdev->min_mtu = ETH_MIN_MTU;
+ netdev->max_mtu = TXGBE_MAX_JUMBO_FRAME_SIZE - (ETH_HLEN + ETH_FCS_LEN);
/* make sure the EEPROM is good */
err = txgbe_validate_eeprom_checksum(wx, NULL);
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h b/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h
index ec28cf60c91d..563ea51deca6 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h
@@ -77,6 +77,9 @@
#define TXGBE_SP_MAX_RX_QUEUES 128
#define TXGBE_SP_RAR_ENTRIES 128
#define TXGBE_SP_MC_TBL_SIZE 128
+#define TXGBE_SP_RX_PB_SIZE 512
+#define TXGBE_SP_TDB_PB_SZ (160 * 1024) /* 160KB Packet Buffer */
+#define TXGBE_MAX_JUMBO_FRAME_SIZE 9432 /* max payload 9414 */
/* TX/RX descriptor defines */
#define TXGBE_DEFAULT_TXD 512
--
2.39.1
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