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net: txgbe: Support to set UDP tunnel port

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Tunnel types VXLAN/VXLAN_GPE/GENEVE are supported for txgbe devices. The
hardware supports to set only one port for each tunnel type.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Link: https://patch.msgid.link/20250421022956.508018-2-jiawenwu@trustnetic.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jiawen Wu
2025-04-21 10:29:55 +08:00
committed by Jakub Kicinski
parent 84ee6e5040
commit f294516f1f
2 changed files with 39 additions and 0 deletions
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36
drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
View File

@@ -8,6 +8,7 @@
#include <linux/string.h>
#include <linux/etherdevice.h>
#include <linux/phylink.h>
#include <net/udp_tunnel.h>
#include <net/ip.h>
#include <linux/if_vlan.h>
@@ -537,6 +538,39 @@ void txgbe_do_reset(struct net_device *netdev)
txgbe_reset(wx);
}
static int txgbe_udp_tunnel_sync(struct net_device *dev, unsigned int table)
{
struct wx *wx = netdev_priv(dev);
struct udp_tunnel_info ti;
udp_tunnel_nic_get_port(dev, table, 0, &ti);
switch (ti.type) {
case UDP_TUNNEL_TYPE_VXLAN:
wr32(wx, TXGBE_CFG_VXLAN, ntohs(ti.port));
break;
case UDP_TUNNEL_TYPE_VXLAN_GPE:
wr32(wx, TXGBE_CFG_VXLAN_GPE, ntohs(ti.port));
break;
case UDP_TUNNEL_TYPE_GENEVE:
wr32(wx, TXGBE_CFG_GENEVE, ntohs(ti.port));
break;
default:
break;
}
return 0;
}
static const struct udp_tunnel_nic_info txgbe_udp_tunnels = {
.sync_table = txgbe_udp_tunnel_sync,
.flags = UDP_TUNNEL_NIC_INFO_OPEN_ONLY,
.tables = {
{ .n_entries = 1, .tunnel_types = UDP_TUNNEL_TYPE_VXLAN, },
{ .n_entries = 1, .tunnel_types = UDP_TUNNEL_TYPE_VXLAN_GPE, },
{ .n_entries = 1, .tunnel_types = UDP_TUNNEL_TYPE_GENEVE, },
},
};
static const struct net_device_ops txgbe_netdev_ops = {
.ndo_open = txgbe_open,
.ndo_stop = txgbe_close,
@@ -632,6 +666,7 @@ static int txgbe_probe(struct pci_dev *pdev,
wx->driver_name = txgbe_driver_name;
txgbe_set_ethtool_ops(netdev);
netdev->netdev_ops = &txgbe_netdev_ops;
netdev->udp_tunnel_nic_info = &txgbe_udp_tunnels;
/* setup the private structure */
err = txgbe_sw_init(wx);
@@ -677,6 +712,7 @@ static int txgbe_probe(struct pci_dev *pdev,
netdev->features |= NETIF_F_HIGHDMA;
netdev->hw_features |= NETIF_F_GRO;
netdev->features |= NETIF_F_GRO;
netdev->features |= NETIF_F_RX_UDP_TUNNEL_PORT;
netdev->priv_flags |= IFF_UNICAST_FLT;
netdev->priv_flags |= IFF_SUPP_NOFCS;

3
drivers/net/ethernet/wangxun/txgbe/txgbe_type.h
View File

@@ -88,6 +88,9 @@
/* Port cfg registers */
#define TXGBE_CFG_PORT_ST 0x14404
#define TXGBE_CFG_PORT_ST_LINK_UP BIT(0)
#define TXGBE_CFG_VXLAN 0x14410
#define TXGBE_CFG_VXLAN_GPE 0x14414
#define TXGBE_CFG_GENEVE 0x14418
/* I2C registers */
#define TXGBE_I2C_BASE 0x14900