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authorJiawen Wu <jiawenwu@trustnetic.com>2025-04-21 05:29:55 +0300
committerJakub Kicinski <kuba@kernel.org>2025-04-23 05:53:35 +0300
commitf294516f1ff2fbf6fed6d0376f1ad096f8312879 (patch)
tree41593a70e63899622a7ab5fa6587d6f8c2ba5224
parent84ee6e5040aef7fdf90b30dbedf7bd2cd8bd3d69 (diff)
downloadlinux-f294516f1ff2fbf6fed6d0376f1ad096f8312879.tar.xz
net: txgbe: Support to set UDP tunnel port
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>
-rw-r--r--drivers/net/ethernet/wangxun/txgbe/txgbe_main.c36
-rw-r--r--drivers/net/ethernet/wangxun/txgbe/txgbe_type.h3
2 files changed, 39 insertions, 0 deletions
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
index d40db6b42200..dcfccc6d963a 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
@@ -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;
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h b/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h
index 5937cbc6bd05..cb553318641d 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h
@@ -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