LXR linux/drivers/net/ethernet/mellanox/mlxsw/spectrum

   1/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
   2/* Copyright (c) 2018 Mellanox Technologies. All rights reserved */
   3
   4#ifndef _MLXSW_SPECTRUM_SPAN_H
   5#define _MLXSW_SPECTRUM_SPAN_H
   6
   7#include <linux/types.h>
   8#include <linux/if_ether.h>
   9
  10#include "spectrum_router.h"
  11
  12struct mlxsw_sp;
  13struct mlxsw_sp_port;
  14
  15enum mlxsw_sp_span_type {
  16        MLXSW_SP_SPAN_EGRESS,
  17        MLXSW_SP_SPAN_INGRESS
  18};
  19
  20struct mlxsw_sp_span_inspected_port {
  21        struct list_head list;
  22        enum mlxsw_sp_span_type type;
  23        u8 local_port;
  24
  25        /* Whether this is a directly bound mirror (port-to-port) or an ACL. */
  26        bool bound;
  27};
  28
  29struct mlxsw_sp_span_parms {
  30        struct mlxsw_sp_port *dest_port; /* NULL for unoffloaded SPAN. */
  31        unsigned int ttl;
  32        unsigned char dmac[ETH_ALEN];
  33        unsigned char smac[ETH_ALEN];
  34        union mlxsw_sp_l3addr daddr;
  35        union mlxsw_sp_l3addr saddr;
  36        u16 vid;
  37};
  38
  39struct mlxsw_sp_span_entry_ops;
  40
  41struct mlxsw_sp_span_entry {
  42        const struct net_device *to_dev;
  43        const struct mlxsw_sp_span_entry_ops *ops;
  44        struct mlxsw_sp_span_parms parms;
  45        struct list_head bound_ports_list;
  46        int ref_count;
  47        int id;
  48};
  49
  50struct mlxsw_sp_span_entry_ops {
  51        bool (*can_handle)(const struct net_device *to_dev);
  52        int (*parms)(const struct net_device *to_dev,
  53                     struct mlxsw_sp_span_parms *sparmsp);
  54        int (*configure)(struct mlxsw_sp_span_entry *span_entry,
  55                         struct mlxsw_sp_span_parms sparms);
  56        void (*deconfigure)(struct mlxsw_sp_span_entry *span_entry);
  57};
  58
  59int mlxsw_sp_span_init(struct mlxsw_sp *mlxsw_sp);
  60void mlxsw_sp_span_fini(struct mlxsw_sp *mlxsw_sp);
  61void mlxsw_sp_span_respin(struct mlxsw_sp *mlxsw_sp);
  62
  63int mlxsw_sp_span_mirror_add(struct mlxsw_sp_port *from,
  64                             const struct net_device *to_dev,
  65                             enum mlxsw_sp_span_type type,
  66                             bool bind, int *p_span_id);
  67void mlxsw_sp_span_mirror_del(struct mlxsw_sp_port *from, int span_id,
  68                              enum mlxsw_sp_span_type type, bool bind);
  69struct mlxsw_sp_span_entry *
  70mlxsw_sp_span_entry_find_by_port(struct mlxsw_sp *mlxsw_sp,
  71                                 const struct net_device *to_dev);
  72
  73void mlxsw_sp_span_entry_invalidate(struct mlxsw_sp *mlxsw_sp,
  74                                    struct mlxsw_sp_span_entry *span_entry);
  75
  76int mlxsw_sp_span_port_mtu_update(struct mlxsw_sp_port *port, u16 mtu);
  77
  78#endif
  79