ice: add tracepoints for the switchdev bridge

Add tracepoints for the following events:
- Add FDB entry
- Delete FDB entry
- Create bridge VLAN
- Cleanup bridge VLAN
- Link port to the bridge
- Unlink port from the bridge
Signed-off-by: Pawel Chmielewski <pawel.chmielewski@intel.com>
Signed-off-by: Wojciech Drewek <wojciech.drewek@intel.com>
Tested-by: Sujai Buvaneswaran <sujai.buvaneswaran@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

drivers/net/ethernet/intel/ice/ice_eswitch_br.c

@@ -7,6 +7,7 @@
 #include "ice_switch.h"
 #include "ice_vlan.h"
 #include "ice_vf_vsi_vlan_ops.h"
+#include "ice_trace.h"
 
 #define ICE_ESW_BRIDGE_UPDATE_INTERVAL msecs_to_jiffies(1000)
 
@@ -353,6 +354,7 @@ ice_eswitch_br_fdb_entry_find_and_delete(struct ice_esw_br *bridge,
 		return;
 	}
 
+	trace_ice_eswitch_br_fdb_entry_find_and_delete(fdb_entry);
 	ice_eswitch_br_fdb_entry_notify_and_cleanup(bridge, fdb_entry);
 }
 
@@ -422,6 +424,7 @@ ice_eswitch_br_fdb_entry_create(struct net_device *netdev,
 		goto err_fdb_insert;
 
 	list_add(&fdb_entry->list, &bridge->fdb_list);
+	trace_ice_eswitch_br_fdb_entry_create(fdb_entry);
 
 	ice_eswitch_br_fdb_offload_notify(netdev, mac, vid, event);
 
@@ -597,6 +600,8 @@ ice_eswitch_br_vlan_cleanup(struct ice_esw_br_port *port,
 	struct ice_esw_br_fdb_entry *fdb_entry, *tmp;
 	struct ice_esw_br *bridge = port->bridge;
 
+	trace_ice_eswitch_br_vlan_cleanup(vlan);
+
 	list_for_each_entry_safe(fdb_entry, tmp, &bridge->fdb_list, list) {
 		if (vlan->vid == fdb_entry->data.vid)
 			ice_eswitch_br_fdb_entry_delete(bridge, fdb_entry);
@@ -686,6 +691,8 @@ ice_eswitch_br_vlan_create(u16 vid, u16 flags, struct ice_esw_br_port *port)
 	if (err)
 		goto err_insert;
 
+	trace_ice_eswitch_br_vlan_create(vlan);
+
 	return vlan;
 
 err_insert:
@@ -1047,6 +1054,7 @@ ice_eswitch_br_port_unlink(struct ice_esw_br_offloads *br_offloads,
 
 	bridge = br_port->bridge;
 
+	trace_ice_eswitch_br_port_unlink(br_port);
 	ice_eswitch_br_port_deinit(br_port->bridge, br_port);
 	ice_eswitch_br_verify_deinit(br_offloads, bridge);
 
@@ -1075,10 +1083,12 @@ ice_eswitch_br_port_link(struct ice_esw_br_offloads *br_offloads,
 		struct ice_repr *repr = ice_netdev_to_repr(dev);
 
 		err = ice_eswitch_br_vf_repr_port_init(bridge, repr);
+		trace_ice_eswitch_br_port_link(repr->br_port);
 	} else {
 		struct ice_pf *pf = ice_netdev_to_pf(dev);
 
 		err = ice_eswitch_br_uplink_port_init(bridge, pf);
+		trace_ice_eswitch_br_port_link(pf->br_port);
 	}
 	if (err) {
 		NL_SET_ERR_MSG_MOD(extack, "Failed to init bridge port");

drivers/net/ethernet/intel/ice/ice_trace.h

@@ -21,6 +21,7 @@
 #define _ICE_TRACE_H_
 
 #include <linux/tracepoint.h>
+#include "ice_eswitch_br.h"
 
 /* ice_trace() macro enables shared code to refer to trace points
  * like:
@@ -240,6 +241,95 @@ DEFINE_TX_TSTAMP_OP_EVENT(ice_tx_tstamp_fw_req);
 DEFINE_TX_TSTAMP_OP_EVENT(ice_tx_tstamp_fw_done);
 DEFINE_TX_TSTAMP_OP_EVENT(ice_tx_tstamp_complete);
 
+DECLARE_EVENT_CLASS(ice_esw_br_fdb_template,
+		    TP_PROTO(struct ice_esw_br_fdb_entry *fdb),
+		    TP_ARGS(fdb),
+		    TP_STRUCT__entry(__array(char, dev_name, IFNAMSIZ)
+				     __array(unsigned char, addr, ETH_ALEN)
+				     __field(u16, vid)
+				     __field(int, flags)),
+		    TP_fast_assign(strscpy(__entry->dev_name,
+					   netdev_name(fdb->dev),
+					   IFNAMSIZ);
+				   memcpy(__entry->addr, fdb->data.addr, ETH_ALEN);
+				   __entry->vid = fdb->data.vid;
+				   __entry->flags = fdb->flags;),
+		    TP_printk("net_device=%s addr=%pM vid=%u flags=%x",
+			      __entry->dev_name,
+			      __entry->addr,
+			      __entry->vid,
+			      __entry->flags)
+);
+
+DEFINE_EVENT(ice_esw_br_fdb_template,
+	     ice_eswitch_br_fdb_entry_create,
+	     TP_PROTO(struct ice_esw_br_fdb_entry *fdb),
+	     TP_ARGS(fdb)
+);
+
+DEFINE_EVENT(ice_esw_br_fdb_template,
+	     ice_eswitch_br_fdb_entry_find_and_delete,
+	     TP_PROTO(struct ice_esw_br_fdb_entry *fdb),
+	     TP_ARGS(fdb)
+);
+
+DECLARE_EVENT_CLASS(ice_esw_br_vlan_template,
+		    TP_PROTO(struct ice_esw_br_vlan *vlan),
+		    TP_ARGS(vlan),
+		    TP_STRUCT__entry(__field(u16, vid)
+				     __field(u16, flags)),
+		    TP_fast_assign(__entry->vid = vlan->vid;
+				   __entry->flags = vlan->flags;),
+		    TP_printk("vid=%u flags=%x",
+			      __entry->vid,
+			      __entry->flags)
+);
+
+DEFINE_EVENT(ice_esw_br_vlan_template,
+	     ice_eswitch_br_vlan_create,
+	     TP_PROTO(struct ice_esw_br_vlan *vlan),
+	     TP_ARGS(vlan)
+);
+
+DEFINE_EVENT(ice_esw_br_vlan_template,
+	     ice_eswitch_br_vlan_cleanup,
+	     TP_PROTO(struct ice_esw_br_vlan *vlan),
+	     TP_ARGS(vlan)
+);
+
+#define ICE_ESW_BR_PORT_NAME_L 16
+
+DECLARE_EVENT_CLASS(ice_esw_br_port_template,
+		    TP_PROTO(struct ice_esw_br_port *port),
+		    TP_ARGS(port),
+		    TP_STRUCT__entry(__field(u16, vport_num)
+				     __array(char, port_type, ICE_ESW_BR_PORT_NAME_L)),
+		    TP_fast_assign(__entry->vport_num = port->vsi_idx;
+					if (port->type == ICE_ESWITCH_BR_UPLINK_PORT)
+						strscpy(__entry->port_type,
+							"Uplink",
+							ICE_ESW_BR_PORT_NAME_L);
+					else
+						strscpy(__entry->port_type,
+							"VF Representor",
+							ICE_ESW_BR_PORT_NAME_L);),
+		    TP_printk("vport_num=%u port type=%s",
+			      __entry->vport_num,
+			      __entry->port_type)
+);
+
+DEFINE_EVENT(ice_esw_br_port_template,
+	     ice_eswitch_br_port_link,
+	     TP_PROTO(struct ice_esw_br_port *port),
+	     TP_ARGS(port)
+);
+
+DEFINE_EVENT(ice_esw_br_port_template,
+	     ice_eswitch_br_port_unlink,
+	     TP_PROTO(struct ice_esw_br_port *port),
+	     TP_ARGS(port)
+);
+
 /* End tracepoints */
 
 #endif /* _ICE_TRACE_H_ */