1/* SPDX-License-Identifier: GPL-2.0 */
  2/* Copyright (C) 2023, Intel Corporation. */
  3
  4#ifndef _ICE_ESWITCH_BR_H_
  5#define _ICE_ESWITCH_BR_H_
  6
  7#include <linux/rhashtable.h>
  8#include <linux/workqueue.h>
  9
 10struct ice_esw_br_fdb_data {
 11	unsigned char addr[ETH_ALEN];
 12	u16 vid;
 13};
 14
 15struct ice_esw_br_flow {
 16	struct ice_rule_query_data *fwd_rule;
 17	struct ice_rule_query_data *guard_rule;
 18};
 19
 20enum {
 21	ICE_ESWITCH_BR_FDB_ADDED_BY_USER = BIT(0),
 22};
 23
 24struct ice_esw_br_fdb_entry {
 25	struct ice_esw_br_fdb_data data;
 26	struct rhash_head ht_node;
 27	struct list_head list;
 28
 29	int flags;
 30
 31	struct net_device *dev;
 32	struct ice_esw_br_port *br_port;
 33	struct ice_esw_br_flow *flow;
 34
 35	unsigned long last_use;
 36};
 37
 38enum ice_esw_br_port_type {
 39	ICE_ESWITCH_BR_UPLINK_PORT = 0,
 40	ICE_ESWITCH_BR_VF_REPR_PORT = 1,
 41};
 42
 43struct ice_esw_br_port {
 44	struct ice_esw_br *bridge;
 45	struct ice_vsi *vsi;
 46	enum ice_esw_br_port_type type;
 47	u16 vsi_idx;
 48	u16 pvid;
 49	u32 repr_id;
 50	struct xarray vlans;
 51};
 52
 53enum {
 54	ICE_ESWITCH_BR_VLAN_FILTERING = BIT(0),
 55};
 56
 57struct ice_esw_br {
 58	struct ice_esw_br_offloads *br_offloads;
 59	struct xarray ports;
 60
 61	struct rhashtable fdb_ht;
 62	struct list_head fdb_list;
 63
 64	int ifindex;
 65	u32 flags;
 66	unsigned long ageing_time;
 67};
 68
 69struct ice_esw_br_offloads {
 70	struct ice_pf *pf;
 71	struct ice_esw_br *bridge;
 72	struct notifier_block netdev_nb;
 73	struct notifier_block switchdev_blk;
 74	struct notifier_block switchdev_nb;
 75
 76	struct workqueue_struct *wq;
 77	struct delayed_work update_work;
 78};
 79
 80struct ice_esw_br_fdb_work {
 81	struct work_struct work;
 82	struct switchdev_notifier_fdb_info fdb_info;
 83	struct net_device *dev;
 84	unsigned long event;
 85};
 86
 87struct ice_esw_br_vlan {
 88	u16 vid;
 89	u16 flags;
 90};
 91
 92#define ice_nb_to_br_offloads(nb, nb_name) \
 93	container_of(nb, \
 94		     struct ice_esw_br_offloads, \
 95		     nb_name)
 96
 97#define ice_work_to_br_offloads(w) \
 98	container_of(w, \
 99		     struct ice_esw_br_offloads, \
100		     update_work.work)
101
102#define ice_work_to_fdb_work(w) \
103	container_of(w, \
104		     struct ice_esw_br_fdb_work, \
105		     work)
106
107static inline bool ice_eswitch_br_is_vid_valid(u16 vid)
108{
109	/* In trunk VLAN mode, for untagged traffic the bridge sends requests
110	 * to offload VLAN 1 with pvid and untagged flags set. Since these
111	 * flags are not supported, add a MAC filter instead.
112	 */
113	return vid > 1;
114}
115
116void
117ice_eswitch_br_offloads_deinit(struct ice_pf *pf);
118int
119ice_eswitch_br_offloads_init(struct ice_pf *pf);
120void ice_eswitch_br_fdb_flush(struct ice_esw_br *bridge);
121
122#endif /* _ICE_ESWITCH_BR_H_ */