1 files changed, 94 insertions, 0 deletions
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_vcap_debugfs.c b/drivers/net/ethernet/microchip/lan966x/lan966x_vcap_debugfs.c
new file mode 100644
index 000000000000..7a0db58f5513
--- /dev/null
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_vcap_debugfs.c
@@ -0,0 +1,94 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+#include "lan966x_main.h"
+#include "lan966x_vcap_ag_api.h"
+#include "vcap_api.h"
+#include "vcap_api_client.h"
+
+static void lan966x_vcap_port_keys(struct lan966x_port *port,
+				   struct vcap_admin *admin,
+				   struct vcap_output_print *out)
+{
+	struct lan966x *lan966x = port->lan966x;
+	u32 val;
+
+	out->prf(out->dst, "  port[%d] (%s): ", port->chip_port,
+		 netdev_name(port->dev));
+
+	val = lan_rd(lan966x, ANA_VCAP_S2_CFG(port->chip_port));
+	out->prf(out->dst, "\n    state: ");
+	if (ANA_VCAP_S2_CFG_ENA_GET(val))
+		out->prf(out->dst, "on");
+	else
+		out->prf(out->dst, "off");
+
+	for (int l = 0; l < admin->lookups; ++l) {
+		out->prf(out->dst, "\n    Lookup %d: ", l);
+
+		out->prf(out->dst, "\n      snap: ");
+		if (ANA_VCAP_S2_CFG_SNAP_DIS_GET(val) & (BIT(0) << l))
+			out->prf(out->dst, "mac_llc");
+		else
+			out->prf(out->dst, "mac_snap");
+
+		out->prf(out->dst, "\n      oam: ");
+		if (ANA_VCAP_S2_CFG_OAM_DIS_GET(val) & (BIT(0) << l))
+			out->prf(out->dst, "mac_etype");
+		else
+			out->prf(out->dst, "mac_oam");
+
+		out->prf(out->dst, "\n      arp: ");
+		if (ANA_VCAP_S2_CFG_ARP_DIS_GET(val) & (BIT(0) << l))
+			out->prf(out->dst, "mac_etype");
+		else
+			out->prf(out->dst, "mac_arp");
+
+		out->prf(out->dst, "\n      ipv4_other: ");
+		if (ANA_VCAP_S2_CFG_IP_OTHER_DIS_GET(val) & (BIT(0) << l))
+			out->prf(out->dst, "mac_etype");
+		else
+			out->prf(out->dst, "ip4_other");
+
+		out->prf(out->dst, "\n      ipv4_tcp_udp: ");
+		if (ANA_VCAP_S2_CFG_IP_TCPUDP_DIS_GET(val) & (BIT(0) << l))
+			out->prf(out->dst, "mac_etype");
+		else
+			out->prf(out->dst, "ipv4_tcp_udp");
+
+		out->prf(out->dst, "\n      ipv6: ");
+		switch (ANA_VCAP_S2_CFG_IP6_CFG_GET(val) & (0x3 << l)) {
+		case VCAP_IS2_PS_IPV6_TCPUDP_OTHER:
+			out->prf(out->dst, "ipv6_tcp_udp ipv6_tcp_udp");
+			break;
+		case VCAP_IS2_PS_IPV6_STD:
+			out->prf(out->dst, "ipv6_std");
+			break;
+		case VCAP_IS2_PS_IPV6_IP4_TCPUDP_IP4_OTHER:
+			out->prf(out->dst, "ipv4_tcp_udp ipv4_tcp_udp");
+			break;
+		case VCAP_IS2_PS_IPV6_MAC_ETYPE:
+			out->prf(out->dst, "mac_etype");
+			break;
+		}
+	}
+
+	out->prf(out->dst, "\n");
+}
+
+int lan966x_vcap_port_info(struct net_device *dev,
+			   struct vcap_admin *admin,
+			   struct vcap_output_print *out)
+{
+	struct lan966x_port *port = netdev_priv(dev);
+	struct lan966x *lan966x = port->lan966x;
+	const struct vcap_info *vcap;
+	struct vcap_control *vctrl;
+
+	vctrl = lan966x->vcap_ctrl;
+	vcap = &vctrl->vcaps[admin->vtype];
+
+	out->prf(out->dst, "%s:\n", vcap->name);
+	lan966x_vcap_port_keys(port, admin, out);
+
+	return 0;
+}