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

   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
  10 struct ice_esw_br_fdb_data {
  11         unsigned char addr[ETH_ALEN];
  12         u16 vid;
  13 };
  14
  15 struct ice_esw_br_flow {
  16         struct ice_rule_query_data *fwd_rule;
  17         struct ice_rule_query_data *guard_rule;
  18 };
  19
  20 enum {
  21         ICE_ESWITCH_BR_FDB_ADDED_BY_USER = BIT(0),
  22 };
  23
  24 struct 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
  38 enum ice_esw_br_port_type {
  39         ICE_ESWITCH_BR_UPLINK_PORT = 0,
  40         ICE_ESWITCH_BR_VF_REPR_PORT = 1,
  41 };
  42
  43 struct 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
  53 enum {
  54         ICE_ESWITCH_BR_VLAN_FILTERING = BIT(0),
  55 };
  56
  57 struct 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
  69 struct 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
  80 struct 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
  87 struct 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
 107 static 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
 116 void
 117 ice_eswitch_br_offloads_deinit(struct ice_pf *pf);
 118 int
 119 ice_eswitch_br_offloads_init(struct ice_pf *pf);
 120
 121 #endif /* _ICE_ESWITCH_BR_H_ */