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 12 struct mlxsw_sp; 13 struct mlxsw_sp_port; 14 15 enum mlxsw_sp_span_type { 16 MLXSW_SP_SPAN_EGRESS, 17 MLXSW_SP_SPAN_INGRESS 18 }; 19 20 struct 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 29 struct 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 39 struct mlxsw_sp_span_entry_ops; 40 41 struct 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 50 struct 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 59 int mlxsw_sp_span_init(struct mlxsw_sp *mlxsw_sp); 60 void mlxsw_sp_span_fini(struct mlxsw_sp *mlxsw_sp); 61 void mlxsw_sp_span_respin(struct mlxsw_sp *mlxsw_sp); 62 63 int 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); 67 void mlxsw_sp_span_mirror_del(struct mlxsw_sp_port *from, int span_id, 68 enum mlxsw_sp_span_type type, bool bind); 69 struct mlxsw_sp_span_entry * 70 mlxsw_sp_span_entry_find_by_port(struct mlxsw_sp *mlxsw_sp, 71 const struct net_device *to_dev); 72 73 void mlxsw_sp_span_entry_invalidate(struct mlxsw_sp *mlxsw_sp, 74 struct mlxsw_sp_span_entry *span_entry); 75 76 int mlxsw_sp_span_port_mtu_update(struct mlxsw_sp_port *port, u16 mtu); 77 78 #endif 79