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992 lines
28 KiB
992 lines
28 KiB
/*
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* drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c
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* Copyright (c) 2017 Mellanox Technologies. All rights reserved.
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* Copyright (c) 2017 Ido Schimmel <idosch@mellanox.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the names of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <linux/kernel.h>
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#include <linux/bitops.h>
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#include <linux/if_vlan.h>
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#include <linux/if_bridge.h>
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#include <linux/netdevice.h>
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#include <linux/rtnetlink.h>
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#include "spectrum.h"
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#include "reg.h"
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struct mlxsw_sp_fid_family;
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struct mlxsw_sp_fid_core {
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struct mlxsw_sp_fid_family *fid_family_arr[MLXSW_SP_FID_TYPE_MAX];
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unsigned int *port_fid_mappings;
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};
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struct mlxsw_sp_fid {
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struct list_head list;
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struct mlxsw_sp_rif *rif;
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unsigned int ref_count;
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u16 fid_index;
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struct mlxsw_sp_fid_family *fid_family;
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};
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struct mlxsw_sp_fid_8021q {
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struct mlxsw_sp_fid common;
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u16 vid;
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};
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struct mlxsw_sp_fid_8021d {
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struct mlxsw_sp_fid common;
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int br_ifindex;
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};
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struct mlxsw_sp_flood_table {
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enum mlxsw_sp_flood_type packet_type;
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enum mlxsw_reg_sfgc_bridge_type bridge_type;
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enum mlxsw_flood_table_type table_type;
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int table_index;
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};
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struct mlxsw_sp_fid_ops {
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void (*setup)(struct mlxsw_sp_fid *fid, const void *arg);
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int (*configure)(struct mlxsw_sp_fid *fid);
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void (*deconfigure)(struct mlxsw_sp_fid *fid);
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int (*index_alloc)(struct mlxsw_sp_fid *fid, const void *arg,
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u16 *p_fid_index);
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bool (*compare)(const struct mlxsw_sp_fid *fid,
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const void *arg);
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u16 (*flood_index)(const struct mlxsw_sp_fid *fid);
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int (*port_vid_map)(struct mlxsw_sp_fid *fid,
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struct mlxsw_sp_port *port, u16 vid);
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void (*port_vid_unmap)(struct mlxsw_sp_fid *fid,
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struct mlxsw_sp_port *port, u16 vid);
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};
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struct mlxsw_sp_fid_family {
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enum mlxsw_sp_fid_type type;
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size_t fid_size;
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u16 start_index;
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u16 end_index;
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struct list_head fids_list;
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unsigned long *fids_bitmap;
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const struct mlxsw_sp_flood_table *flood_tables;
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int nr_flood_tables;
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enum mlxsw_sp_rif_type rif_type;
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const struct mlxsw_sp_fid_ops *ops;
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struct mlxsw_sp *mlxsw_sp;
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};
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static const int mlxsw_sp_sfgc_uc_packet_types[MLXSW_REG_SFGC_TYPE_MAX] = {
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[MLXSW_REG_SFGC_TYPE_UNKNOWN_UNICAST] = 1,
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};
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static const int mlxsw_sp_sfgc_bc_packet_types[MLXSW_REG_SFGC_TYPE_MAX] = {
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[MLXSW_REG_SFGC_TYPE_BROADCAST] = 1,
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[MLXSW_REG_SFGC_TYPE_UNREGISTERED_MULTICAST_NON_IP] = 1,
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[MLXSW_REG_SFGC_TYPE_IPV4_LINK_LOCAL] = 1,
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[MLXSW_REG_SFGC_TYPE_IPV6_ALL_HOST] = 1,
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[MLXSW_REG_SFGC_TYPE_UNREGISTERED_MULTICAST_IPV6] = 1,
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};
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static const int mlxsw_sp_sfgc_mc_packet_types[MLXSW_REG_SFGC_TYPE_MAX] = {
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[MLXSW_REG_SFGC_TYPE_UNREGISTERED_MULTICAST_IPV4] = 1,
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};
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static const int *mlxsw_sp_packet_type_sfgc_types[] = {
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[MLXSW_SP_FLOOD_TYPE_UC] = mlxsw_sp_sfgc_uc_packet_types,
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[MLXSW_SP_FLOOD_TYPE_BC] = mlxsw_sp_sfgc_bc_packet_types,
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[MLXSW_SP_FLOOD_TYPE_MC] = mlxsw_sp_sfgc_mc_packet_types,
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};
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static const struct mlxsw_sp_flood_table *
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mlxsw_sp_fid_flood_table_lookup(const struct mlxsw_sp_fid *fid,
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enum mlxsw_sp_flood_type packet_type)
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{
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struct mlxsw_sp_fid_family *fid_family = fid->fid_family;
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int i;
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for (i = 0; i < fid_family->nr_flood_tables; i++) {
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if (fid_family->flood_tables[i].packet_type != packet_type)
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continue;
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return &fid_family->flood_tables[i];
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}
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return NULL;
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}
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int mlxsw_sp_fid_flood_set(struct mlxsw_sp_fid *fid,
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enum mlxsw_sp_flood_type packet_type, u8 local_port,
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bool member)
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{
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struct mlxsw_sp_fid_family *fid_family = fid->fid_family;
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const struct mlxsw_sp_fid_ops *ops = fid_family->ops;
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const struct mlxsw_sp_flood_table *flood_table;
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char *sftr_pl;
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int err;
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if (WARN_ON(!fid_family->flood_tables || !ops->flood_index))
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return -EINVAL;
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flood_table = mlxsw_sp_fid_flood_table_lookup(fid, packet_type);
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if (!flood_table)
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return -ESRCH;
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sftr_pl = kmalloc(MLXSW_REG_SFTR_LEN, GFP_KERNEL);
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if (!sftr_pl)
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return -ENOMEM;
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mlxsw_reg_sftr_pack(sftr_pl, flood_table->table_index,
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ops->flood_index(fid), flood_table->table_type, 1,
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local_port, member);
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err = mlxsw_reg_write(fid_family->mlxsw_sp->core, MLXSW_REG(sftr),
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sftr_pl);
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kfree(sftr_pl);
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return err;
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}
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int mlxsw_sp_fid_port_vid_map(struct mlxsw_sp_fid *fid,
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struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
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{
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if (WARN_ON(!fid->fid_family->ops->port_vid_map))
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return -EINVAL;
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return fid->fid_family->ops->port_vid_map(fid, mlxsw_sp_port, vid);
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}
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void mlxsw_sp_fid_port_vid_unmap(struct mlxsw_sp_fid *fid,
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struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
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{
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fid->fid_family->ops->port_vid_unmap(fid, mlxsw_sp_port, vid);
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}
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enum mlxsw_sp_rif_type mlxsw_sp_fid_rif_type(const struct mlxsw_sp_fid *fid)
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{
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return fid->fid_family->rif_type;
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}
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u16 mlxsw_sp_fid_index(const struct mlxsw_sp_fid *fid)
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{
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return fid->fid_index;
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}
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enum mlxsw_sp_fid_type mlxsw_sp_fid_type(const struct mlxsw_sp_fid *fid)
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{
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return fid->fid_family->type;
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}
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void mlxsw_sp_fid_rif_set(struct mlxsw_sp_fid *fid, struct mlxsw_sp_rif *rif)
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{
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fid->rif = rif;
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}
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enum mlxsw_sp_rif_type
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mlxsw_sp_fid_type_rif_type(const struct mlxsw_sp *mlxsw_sp,
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enum mlxsw_sp_fid_type type)
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{
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struct mlxsw_sp_fid_core *fid_core = mlxsw_sp->fid_core;
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return fid_core->fid_family_arr[type]->rif_type;
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}
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static struct mlxsw_sp_fid_8021q *
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mlxsw_sp_fid_8021q_fid(const struct mlxsw_sp_fid *fid)
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{
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return container_of(fid, struct mlxsw_sp_fid_8021q, common);
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}
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u16 mlxsw_sp_fid_8021q_vid(const struct mlxsw_sp_fid *fid)
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{
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return mlxsw_sp_fid_8021q_fid(fid)->vid;
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}
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static void mlxsw_sp_fid_8021q_setup(struct mlxsw_sp_fid *fid, const void *arg)
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{
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u16 vid = *(u16 *) arg;
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mlxsw_sp_fid_8021q_fid(fid)->vid = vid;
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}
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static enum mlxsw_reg_sfmr_op mlxsw_sp_sfmr_op(bool valid)
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{
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return valid ? MLXSW_REG_SFMR_OP_CREATE_FID :
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MLXSW_REG_SFMR_OP_DESTROY_FID;
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}
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static int mlxsw_sp_fid_op(struct mlxsw_sp *mlxsw_sp, u16 fid_index,
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u16 fid_offset, bool valid)
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{
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char sfmr_pl[MLXSW_REG_SFMR_LEN];
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mlxsw_reg_sfmr_pack(sfmr_pl, mlxsw_sp_sfmr_op(valid), fid_index,
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fid_offset);
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return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfmr), sfmr_pl);
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}
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static int mlxsw_sp_fid_vid_map(struct mlxsw_sp *mlxsw_sp, u16 fid_index,
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u16 vid, bool valid)
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{
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enum mlxsw_reg_svfa_mt mt = MLXSW_REG_SVFA_MT_VID_TO_FID;
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char svfa_pl[MLXSW_REG_SVFA_LEN];
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mlxsw_reg_svfa_pack(svfa_pl, 0, mt, valid, fid_index, vid);
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return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(svfa), svfa_pl);
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}
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static int __mlxsw_sp_fid_port_vid_map(struct mlxsw_sp *mlxsw_sp, u16 fid_index,
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u8 local_port, u16 vid, bool valid)
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{
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enum mlxsw_reg_svfa_mt mt = MLXSW_REG_SVFA_MT_PORT_VID_TO_FID;
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char svfa_pl[MLXSW_REG_SVFA_LEN];
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mlxsw_reg_svfa_pack(svfa_pl, local_port, mt, valid, fid_index, vid);
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return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(svfa), svfa_pl);
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}
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static int mlxsw_sp_fid_8021q_configure(struct mlxsw_sp_fid *fid)
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{
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struct mlxsw_sp *mlxsw_sp = fid->fid_family->mlxsw_sp;
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struct mlxsw_sp_fid_8021q *fid_8021q;
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int err;
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err = mlxsw_sp_fid_op(mlxsw_sp, fid->fid_index, fid->fid_index, true);
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if (err)
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return err;
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fid_8021q = mlxsw_sp_fid_8021q_fid(fid);
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err = mlxsw_sp_fid_vid_map(mlxsw_sp, fid->fid_index, fid_8021q->vid,
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true);
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if (err)
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goto err_fid_map;
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return 0;
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err_fid_map:
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mlxsw_sp_fid_op(mlxsw_sp, fid->fid_index, 0, false);
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return err;
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}
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static void mlxsw_sp_fid_8021q_deconfigure(struct mlxsw_sp_fid *fid)
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{
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struct mlxsw_sp *mlxsw_sp = fid->fid_family->mlxsw_sp;
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struct mlxsw_sp_fid_8021q *fid_8021q;
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fid_8021q = mlxsw_sp_fid_8021q_fid(fid);
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mlxsw_sp_fid_vid_map(mlxsw_sp, fid->fid_index, fid_8021q->vid, false);
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mlxsw_sp_fid_op(mlxsw_sp, fid->fid_index, 0, false);
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}
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static int mlxsw_sp_fid_8021q_index_alloc(struct mlxsw_sp_fid *fid,
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const void *arg, u16 *p_fid_index)
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{
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struct mlxsw_sp_fid_family *fid_family = fid->fid_family;
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u16 vid = *(u16 *) arg;
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/* Use 1:1 mapping for simplicity although not a must */
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if (vid < fid_family->start_index || vid > fid_family->end_index)
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return -EINVAL;
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*p_fid_index = vid;
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return 0;
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}
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static bool
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mlxsw_sp_fid_8021q_compare(const struct mlxsw_sp_fid *fid, const void *arg)
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{
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u16 vid = *(u16 *) arg;
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return mlxsw_sp_fid_8021q_fid(fid)->vid == vid;
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}
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static u16 mlxsw_sp_fid_8021q_flood_index(const struct mlxsw_sp_fid *fid)
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{
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return fid->fid_index;
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}
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static int mlxsw_sp_fid_8021q_port_vid_map(struct mlxsw_sp_fid *fid,
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struct mlxsw_sp_port *mlxsw_sp_port,
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u16 vid)
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{
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struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
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u8 local_port = mlxsw_sp_port->local_port;
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/* In case there are no {Port, VID} => FID mappings on the port,
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* we can use the global VID => FID mapping we created when the
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* FID was configured.
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*/
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if (mlxsw_sp->fid_core->port_fid_mappings[local_port] == 0)
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return 0;
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return __mlxsw_sp_fid_port_vid_map(mlxsw_sp, fid->fid_index, local_port,
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vid, true);
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}
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static void
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mlxsw_sp_fid_8021q_port_vid_unmap(struct mlxsw_sp_fid *fid,
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struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
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{
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struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
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u8 local_port = mlxsw_sp_port->local_port;
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if (mlxsw_sp->fid_core->port_fid_mappings[local_port] == 0)
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return;
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__mlxsw_sp_fid_port_vid_map(mlxsw_sp, fid->fid_index, local_port, vid,
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false);
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}
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static const struct mlxsw_sp_fid_ops mlxsw_sp_fid_8021q_ops = {
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.setup = mlxsw_sp_fid_8021q_setup,
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.configure = mlxsw_sp_fid_8021q_configure,
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.deconfigure = mlxsw_sp_fid_8021q_deconfigure,
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.index_alloc = mlxsw_sp_fid_8021q_index_alloc,
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.compare = mlxsw_sp_fid_8021q_compare,
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.flood_index = mlxsw_sp_fid_8021q_flood_index,
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.port_vid_map = mlxsw_sp_fid_8021q_port_vid_map,
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.port_vid_unmap = mlxsw_sp_fid_8021q_port_vid_unmap,
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};
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static const struct mlxsw_sp_flood_table mlxsw_sp_fid_8021q_flood_tables[] = {
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{
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.packet_type = MLXSW_SP_FLOOD_TYPE_UC,
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.bridge_type = MLXSW_REG_SFGC_BRIDGE_TYPE_1Q_FID,
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.table_type = MLXSW_REG_SFGC_TABLE_TYPE_FID_OFFSET,
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.table_index = 0,
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},
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{
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.packet_type = MLXSW_SP_FLOOD_TYPE_MC,
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.bridge_type = MLXSW_REG_SFGC_BRIDGE_TYPE_1Q_FID,
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.table_type = MLXSW_REG_SFGC_TABLE_TYPE_FID_OFFSET,
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.table_index = 1,
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},
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{
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.packet_type = MLXSW_SP_FLOOD_TYPE_BC,
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.bridge_type = MLXSW_REG_SFGC_BRIDGE_TYPE_1Q_FID,
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.table_type = MLXSW_REG_SFGC_TABLE_TYPE_FID_OFFSET,
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.table_index = 2,
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},
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};
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/* Range and flood configuration must match mlxsw_config_profile */
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static const struct mlxsw_sp_fid_family mlxsw_sp_fid_8021q_family = {
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.type = MLXSW_SP_FID_TYPE_8021Q,
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.fid_size = sizeof(struct mlxsw_sp_fid_8021q),
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.start_index = 1,
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.end_index = VLAN_VID_MASK,
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.flood_tables = mlxsw_sp_fid_8021q_flood_tables,
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.nr_flood_tables = ARRAY_SIZE(mlxsw_sp_fid_8021q_flood_tables),
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.rif_type = MLXSW_SP_RIF_TYPE_VLAN,
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.ops = &mlxsw_sp_fid_8021q_ops,
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};
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static struct mlxsw_sp_fid_8021d *
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mlxsw_sp_fid_8021d_fid(const struct mlxsw_sp_fid *fid)
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{
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return container_of(fid, struct mlxsw_sp_fid_8021d, common);
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}
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static void mlxsw_sp_fid_8021d_setup(struct mlxsw_sp_fid *fid, const void *arg)
|
|
{
|
|
int br_ifindex = *(int *) arg;
|
|
|
|
mlxsw_sp_fid_8021d_fid(fid)->br_ifindex = br_ifindex;
|
|
}
|
|
|
|
static int mlxsw_sp_fid_8021d_configure(struct mlxsw_sp_fid *fid)
|
|
{
|
|
struct mlxsw_sp_fid_family *fid_family = fid->fid_family;
|
|
|
|
return mlxsw_sp_fid_op(fid_family->mlxsw_sp, fid->fid_index, 0, true);
|
|
}
|
|
|
|
static void mlxsw_sp_fid_8021d_deconfigure(struct mlxsw_sp_fid *fid)
|
|
{
|
|
mlxsw_sp_fid_op(fid->fid_family->mlxsw_sp, fid->fid_index, 0, false);
|
|
}
|
|
|
|
static int mlxsw_sp_fid_8021d_index_alloc(struct mlxsw_sp_fid *fid,
|
|
const void *arg, u16 *p_fid_index)
|
|
{
|
|
struct mlxsw_sp_fid_family *fid_family = fid->fid_family;
|
|
u16 nr_fids, fid_index;
|
|
|
|
nr_fids = fid_family->end_index - fid_family->start_index + 1;
|
|
fid_index = find_first_zero_bit(fid_family->fids_bitmap, nr_fids);
|
|
if (fid_index == nr_fids)
|
|
return -ENOBUFS;
|
|
*p_fid_index = fid_family->start_index + fid_index;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static bool
|
|
mlxsw_sp_fid_8021d_compare(const struct mlxsw_sp_fid *fid, const void *arg)
|
|
{
|
|
int br_ifindex = *(int *) arg;
|
|
|
|
return mlxsw_sp_fid_8021d_fid(fid)->br_ifindex == br_ifindex;
|
|
}
|
|
|
|
static u16 mlxsw_sp_fid_8021d_flood_index(const struct mlxsw_sp_fid *fid)
|
|
{
|
|
return fid->fid_index - fid->fid_family->start_index;
|
|
}
|
|
|
|
static int mlxsw_sp_port_vp_mode_trans(struct mlxsw_sp_port *mlxsw_sp_port)
|
|
{
|
|
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
|
|
struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
|
|
int err;
|
|
|
|
list_for_each_entry(mlxsw_sp_port_vlan, &mlxsw_sp_port->vlans_list,
|
|
list) {
|
|
struct mlxsw_sp_fid *fid = mlxsw_sp_port_vlan->fid;
|
|
u16 vid = mlxsw_sp_port_vlan->vid;
|
|
|
|
if (!fid)
|
|
continue;
|
|
|
|
err = __mlxsw_sp_fid_port_vid_map(mlxsw_sp, fid->fid_index,
|
|
mlxsw_sp_port->local_port,
|
|
vid, true);
|
|
if (err)
|
|
goto err_fid_port_vid_map;
|
|
}
|
|
|
|
err = mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, true);
|
|
if (err)
|
|
goto err_port_vp_mode_set;
|
|
|
|
return 0;
|
|
|
|
err_port_vp_mode_set:
|
|
err_fid_port_vid_map:
|
|
list_for_each_entry_continue_reverse(mlxsw_sp_port_vlan,
|
|
&mlxsw_sp_port->vlans_list, list) {
|
|
struct mlxsw_sp_fid *fid = mlxsw_sp_port_vlan->fid;
|
|
u16 vid = mlxsw_sp_port_vlan->vid;
|
|
|
|
if (!fid)
|
|
continue;
|
|
|
|
__mlxsw_sp_fid_port_vid_map(mlxsw_sp, fid->fid_index,
|
|
mlxsw_sp_port->local_port, vid,
|
|
false);
|
|
}
|
|
return err;
|
|
}
|
|
|
|
static void mlxsw_sp_port_vlan_mode_trans(struct mlxsw_sp_port *mlxsw_sp_port)
|
|
{
|
|
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
|
|
struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
|
|
|
|
mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, false);
|
|
|
|
list_for_each_entry_reverse(mlxsw_sp_port_vlan,
|
|
&mlxsw_sp_port->vlans_list, list) {
|
|
struct mlxsw_sp_fid *fid = mlxsw_sp_port_vlan->fid;
|
|
u16 vid = mlxsw_sp_port_vlan->vid;
|
|
|
|
if (!fid)
|
|
continue;
|
|
|
|
__mlxsw_sp_fid_port_vid_map(mlxsw_sp, fid->fid_index,
|
|
mlxsw_sp_port->local_port, vid,
|
|
false);
|
|
}
|
|
}
|
|
|
|
static int mlxsw_sp_fid_8021d_port_vid_map(struct mlxsw_sp_fid *fid,
|
|
struct mlxsw_sp_port *mlxsw_sp_port,
|
|
u16 vid)
|
|
{
|
|
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
|
|
u8 local_port = mlxsw_sp_port->local_port;
|
|
int err;
|
|
|
|
err = __mlxsw_sp_fid_port_vid_map(mlxsw_sp, fid->fid_index,
|
|
mlxsw_sp_port->local_port, vid, true);
|
|
if (err)
|
|
return err;
|
|
|
|
if (mlxsw_sp->fid_core->port_fid_mappings[local_port]++ == 0) {
|
|
err = mlxsw_sp_port_vp_mode_trans(mlxsw_sp_port);
|
|
if (err)
|
|
goto err_port_vp_mode_trans;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err_port_vp_mode_trans:
|
|
mlxsw_sp->fid_core->port_fid_mappings[local_port]--;
|
|
__mlxsw_sp_fid_port_vid_map(mlxsw_sp, fid->fid_index,
|
|
mlxsw_sp_port->local_port, vid, false);
|
|
return err;
|
|
}
|
|
|
|
static void
|
|
mlxsw_sp_fid_8021d_port_vid_unmap(struct mlxsw_sp_fid *fid,
|
|
struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
|
|
{
|
|
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
|
|
u8 local_port = mlxsw_sp_port->local_port;
|
|
|
|
if (mlxsw_sp->fid_core->port_fid_mappings[local_port] == 1)
|
|
mlxsw_sp_port_vlan_mode_trans(mlxsw_sp_port);
|
|
mlxsw_sp->fid_core->port_fid_mappings[local_port]--;
|
|
__mlxsw_sp_fid_port_vid_map(mlxsw_sp, fid->fid_index,
|
|
mlxsw_sp_port->local_port, vid, false);
|
|
}
|
|
|
|
static const struct mlxsw_sp_fid_ops mlxsw_sp_fid_8021d_ops = {
|
|
.setup = mlxsw_sp_fid_8021d_setup,
|
|
.configure = mlxsw_sp_fid_8021d_configure,
|
|
.deconfigure = mlxsw_sp_fid_8021d_deconfigure,
|
|
.index_alloc = mlxsw_sp_fid_8021d_index_alloc,
|
|
.compare = mlxsw_sp_fid_8021d_compare,
|
|
.flood_index = mlxsw_sp_fid_8021d_flood_index,
|
|
.port_vid_map = mlxsw_sp_fid_8021d_port_vid_map,
|
|
.port_vid_unmap = mlxsw_sp_fid_8021d_port_vid_unmap,
|
|
};
|
|
|
|
static const struct mlxsw_sp_flood_table mlxsw_sp_fid_8021d_flood_tables[] = {
|
|
{
|
|
.packet_type = MLXSW_SP_FLOOD_TYPE_UC,
|
|
.bridge_type = MLXSW_REG_SFGC_BRIDGE_TYPE_VFID,
|
|
.table_type = MLXSW_REG_SFGC_TABLE_TYPE_FID,
|
|
.table_index = 0,
|
|
},
|
|
{
|
|
.packet_type = MLXSW_SP_FLOOD_TYPE_MC,
|
|
.bridge_type = MLXSW_REG_SFGC_BRIDGE_TYPE_VFID,
|
|
.table_type = MLXSW_REG_SFGC_TABLE_TYPE_FID,
|
|
.table_index = 1,
|
|
},
|
|
{
|
|
.packet_type = MLXSW_SP_FLOOD_TYPE_BC,
|
|
.bridge_type = MLXSW_REG_SFGC_BRIDGE_TYPE_VFID,
|
|
.table_type = MLXSW_REG_SFGC_TABLE_TYPE_FID,
|
|
.table_index = 2,
|
|
},
|
|
};
|
|
|
|
/* Range and flood configuration must match mlxsw_config_profile */
|
|
static const struct mlxsw_sp_fid_family mlxsw_sp_fid_8021d_family = {
|
|
.type = MLXSW_SP_FID_TYPE_8021D,
|
|
.fid_size = sizeof(struct mlxsw_sp_fid_8021d),
|
|
.start_index = VLAN_N_VID,
|
|
.end_index = VLAN_N_VID + MLXSW_SP_FID_8021D_MAX - 1,
|
|
.flood_tables = mlxsw_sp_fid_8021d_flood_tables,
|
|
.nr_flood_tables = ARRAY_SIZE(mlxsw_sp_fid_8021d_flood_tables),
|
|
.rif_type = MLXSW_SP_RIF_TYPE_FID,
|
|
.ops = &mlxsw_sp_fid_8021d_ops,
|
|
};
|
|
|
|
static int mlxsw_sp_fid_rfid_configure(struct mlxsw_sp_fid *fid)
|
|
{
|
|
/* rFIDs are allocated by the device during init */
|
|
return 0;
|
|
}
|
|
|
|
static void mlxsw_sp_fid_rfid_deconfigure(struct mlxsw_sp_fid *fid)
|
|
{
|
|
}
|
|
|
|
static int mlxsw_sp_fid_rfid_index_alloc(struct mlxsw_sp_fid *fid,
|
|
const void *arg, u16 *p_fid_index)
|
|
{
|
|
u16 rif_index = *(u16 *) arg;
|
|
|
|
*p_fid_index = fid->fid_family->start_index + rif_index;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static bool mlxsw_sp_fid_rfid_compare(const struct mlxsw_sp_fid *fid,
|
|
const void *arg)
|
|
{
|
|
u16 rif_index = *(u16 *) arg;
|
|
|
|
return fid->fid_index == rif_index + fid->fid_family->start_index;
|
|
}
|
|
|
|
static int mlxsw_sp_fid_rfid_port_vid_map(struct mlxsw_sp_fid *fid,
|
|
struct mlxsw_sp_port *mlxsw_sp_port,
|
|
u16 vid)
|
|
{
|
|
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
|
|
u8 local_port = mlxsw_sp_port->local_port;
|
|
int err;
|
|
|
|
/* We only need to transition the port to virtual mode since
|
|
* {Port, VID} => FID is done by the firmware upon RIF creation.
|
|
*/
|
|
if (mlxsw_sp->fid_core->port_fid_mappings[local_port]++ == 0) {
|
|
err = mlxsw_sp_port_vp_mode_trans(mlxsw_sp_port);
|
|
if (err)
|
|
goto err_port_vp_mode_trans;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err_port_vp_mode_trans:
|
|
mlxsw_sp->fid_core->port_fid_mappings[local_port]--;
|
|
return err;
|
|
}
|
|
|
|
static void
|
|
mlxsw_sp_fid_rfid_port_vid_unmap(struct mlxsw_sp_fid *fid,
|
|
struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
|
|
{
|
|
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
|
|
u8 local_port = mlxsw_sp_port->local_port;
|
|
|
|
if (mlxsw_sp->fid_core->port_fid_mappings[local_port] == 1)
|
|
mlxsw_sp_port_vlan_mode_trans(mlxsw_sp_port);
|
|
mlxsw_sp->fid_core->port_fid_mappings[local_port]--;
|
|
}
|
|
|
|
static const struct mlxsw_sp_fid_ops mlxsw_sp_fid_rfid_ops = {
|
|
.configure = mlxsw_sp_fid_rfid_configure,
|
|
.deconfigure = mlxsw_sp_fid_rfid_deconfigure,
|
|
.index_alloc = mlxsw_sp_fid_rfid_index_alloc,
|
|
.compare = mlxsw_sp_fid_rfid_compare,
|
|
.port_vid_map = mlxsw_sp_fid_rfid_port_vid_map,
|
|
.port_vid_unmap = mlxsw_sp_fid_rfid_port_vid_unmap,
|
|
};
|
|
|
|
#define MLXSW_SP_RFID_BASE (15 * 1024)
|
|
#define MLXSW_SP_RFID_MAX 1024
|
|
|
|
static const struct mlxsw_sp_fid_family mlxsw_sp_fid_rfid_family = {
|
|
.type = MLXSW_SP_FID_TYPE_RFID,
|
|
.fid_size = sizeof(struct mlxsw_sp_fid),
|
|
.start_index = MLXSW_SP_RFID_BASE,
|
|
.end_index = MLXSW_SP_RFID_BASE + MLXSW_SP_RFID_MAX - 1,
|
|
.rif_type = MLXSW_SP_RIF_TYPE_SUBPORT,
|
|
.ops = &mlxsw_sp_fid_rfid_ops,
|
|
};
|
|
|
|
static int mlxsw_sp_fid_dummy_configure(struct mlxsw_sp_fid *fid)
|
|
{
|
|
struct mlxsw_sp *mlxsw_sp = fid->fid_family->mlxsw_sp;
|
|
|
|
return mlxsw_sp_fid_op(mlxsw_sp, fid->fid_index, 0, true);
|
|
}
|
|
|
|
static void mlxsw_sp_fid_dummy_deconfigure(struct mlxsw_sp_fid *fid)
|
|
{
|
|
mlxsw_sp_fid_op(fid->fid_family->mlxsw_sp, fid->fid_index, 0, false);
|
|
}
|
|
|
|
static int mlxsw_sp_fid_dummy_index_alloc(struct mlxsw_sp_fid *fid,
|
|
const void *arg, u16 *p_fid_index)
|
|
{
|
|
*p_fid_index = fid->fid_family->start_index;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static bool mlxsw_sp_fid_dummy_compare(const struct mlxsw_sp_fid *fid,
|
|
const void *arg)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
static const struct mlxsw_sp_fid_ops mlxsw_sp_fid_dummy_ops = {
|
|
.configure = mlxsw_sp_fid_dummy_configure,
|
|
.deconfigure = mlxsw_sp_fid_dummy_deconfigure,
|
|
.index_alloc = mlxsw_sp_fid_dummy_index_alloc,
|
|
.compare = mlxsw_sp_fid_dummy_compare,
|
|
};
|
|
|
|
static const struct mlxsw_sp_fid_family mlxsw_sp_fid_dummy_family = {
|
|
.type = MLXSW_SP_FID_TYPE_DUMMY,
|
|
.fid_size = sizeof(struct mlxsw_sp_fid),
|
|
.start_index = MLXSW_SP_RFID_BASE - 1,
|
|
.end_index = MLXSW_SP_RFID_BASE - 1,
|
|
.ops = &mlxsw_sp_fid_dummy_ops,
|
|
};
|
|
|
|
static const struct mlxsw_sp_fid_family *mlxsw_sp_fid_family_arr[] = {
|
|
[MLXSW_SP_FID_TYPE_8021Q] = &mlxsw_sp_fid_8021q_family,
|
|
[MLXSW_SP_FID_TYPE_8021D] = &mlxsw_sp_fid_8021d_family,
|
|
[MLXSW_SP_FID_TYPE_RFID] = &mlxsw_sp_fid_rfid_family,
|
|
[MLXSW_SP_FID_TYPE_DUMMY] = &mlxsw_sp_fid_dummy_family,
|
|
};
|
|
|
|
static struct mlxsw_sp_fid *mlxsw_sp_fid_get(struct mlxsw_sp *mlxsw_sp,
|
|
enum mlxsw_sp_fid_type type,
|
|
const void *arg)
|
|
{
|
|
struct mlxsw_sp_fid_family *fid_family;
|
|
struct mlxsw_sp_fid *fid;
|
|
u16 fid_index;
|
|
int err;
|
|
|
|
fid_family = mlxsw_sp->fid_core->fid_family_arr[type];
|
|
list_for_each_entry(fid, &fid_family->fids_list, list) {
|
|
if (!fid->fid_family->ops->compare(fid, arg))
|
|
continue;
|
|
fid->ref_count++;
|
|
return fid;
|
|
}
|
|
|
|
fid = kzalloc(fid_family->fid_size, GFP_KERNEL);
|
|
if (!fid)
|
|
return ERR_PTR(-ENOMEM);
|
|
fid->fid_family = fid_family;
|
|
|
|
err = fid->fid_family->ops->index_alloc(fid, arg, &fid_index);
|
|
if (err)
|
|
goto err_index_alloc;
|
|
fid->fid_index = fid_index;
|
|
__set_bit(fid_index - fid_family->start_index, fid_family->fids_bitmap);
|
|
|
|
if (fid->fid_family->ops->setup)
|
|
fid->fid_family->ops->setup(fid, arg);
|
|
|
|
err = fid->fid_family->ops->configure(fid);
|
|
if (err)
|
|
goto err_configure;
|
|
|
|
list_add(&fid->list, &fid_family->fids_list);
|
|
fid->ref_count++;
|
|
return fid;
|
|
|
|
err_configure:
|
|
__clear_bit(fid_index - fid_family->start_index,
|
|
fid_family->fids_bitmap);
|
|
err_index_alloc:
|
|
kfree(fid);
|
|
return ERR_PTR(err);
|
|
}
|
|
|
|
void mlxsw_sp_fid_put(struct mlxsw_sp_fid *fid)
|
|
{
|
|
struct mlxsw_sp_fid_family *fid_family = fid->fid_family;
|
|
|
|
if (--fid->ref_count == 1 && fid->rif) {
|
|
/* Destroy the associated RIF and let it drop the last
|
|
* reference on the FID.
|
|
*/
|
|
return mlxsw_sp_rif_destroy(fid->rif);
|
|
} else if (fid->ref_count == 0) {
|
|
list_del(&fid->list);
|
|
fid->fid_family->ops->deconfigure(fid);
|
|
__clear_bit(fid->fid_index - fid_family->start_index,
|
|
fid_family->fids_bitmap);
|
|
kfree(fid);
|
|
}
|
|
}
|
|
|
|
struct mlxsw_sp_fid *mlxsw_sp_fid_8021q_get(struct mlxsw_sp *mlxsw_sp, u16 vid)
|
|
{
|
|
return mlxsw_sp_fid_get(mlxsw_sp, MLXSW_SP_FID_TYPE_8021Q, &vid);
|
|
}
|
|
|
|
struct mlxsw_sp_fid *mlxsw_sp_fid_8021d_get(struct mlxsw_sp *mlxsw_sp,
|
|
int br_ifindex)
|
|
{
|
|
return mlxsw_sp_fid_get(mlxsw_sp, MLXSW_SP_FID_TYPE_8021D, &br_ifindex);
|
|
}
|
|
|
|
struct mlxsw_sp_fid *mlxsw_sp_fid_rfid_get(struct mlxsw_sp *mlxsw_sp,
|
|
u16 rif_index)
|
|
{
|
|
return mlxsw_sp_fid_get(mlxsw_sp, MLXSW_SP_FID_TYPE_RFID, &rif_index);
|
|
}
|
|
|
|
struct mlxsw_sp_fid *mlxsw_sp_fid_dummy_get(struct mlxsw_sp *mlxsw_sp)
|
|
{
|
|
return mlxsw_sp_fid_get(mlxsw_sp, MLXSW_SP_FID_TYPE_DUMMY, NULL);
|
|
}
|
|
|
|
static int
|
|
mlxsw_sp_fid_flood_table_init(struct mlxsw_sp_fid_family *fid_family,
|
|
const struct mlxsw_sp_flood_table *flood_table)
|
|
{
|
|
enum mlxsw_sp_flood_type packet_type = flood_table->packet_type;
|
|
const int *sfgc_packet_types;
|
|
int i;
|
|
|
|
sfgc_packet_types = mlxsw_sp_packet_type_sfgc_types[packet_type];
|
|
for (i = 0; i < MLXSW_REG_SFGC_TYPE_MAX; i++) {
|
|
struct mlxsw_sp *mlxsw_sp = fid_family->mlxsw_sp;
|
|
char sfgc_pl[MLXSW_REG_SFGC_LEN];
|
|
int err;
|
|
|
|
if (!sfgc_packet_types[i])
|
|
continue;
|
|
mlxsw_reg_sfgc_pack(sfgc_pl, i, flood_table->bridge_type,
|
|
flood_table->table_type,
|
|
flood_table->table_index);
|
|
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfgc), sfgc_pl);
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
mlxsw_sp_fid_flood_tables_init(struct mlxsw_sp_fid_family *fid_family)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < fid_family->nr_flood_tables; i++) {
|
|
const struct mlxsw_sp_flood_table *flood_table;
|
|
int err;
|
|
|
|
flood_table = &fid_family->flood_tables[i];
|
|
err = mlxsw_sp_fid_flood_table_init(fid_family, flood_table);
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mlxsw_sp_fid_family_register(struct mlxsw_sp *mlxsw_sp,
|
|
const struct mlxsw_sp_fid_family *tmpl)
|
|
{
|
|
u16 nr_fids = tmpl->end_index - tmpl->start_index + 1;
|
|
struct mlxsw_sp_fid_family *fid_family;
|
|
int err;
|
|
|
|
fid_family = kmemdup(tmpl, sizeof(*fid_family), GFP_KERNEL);
|
|
if (!fid_family)
|
|
return -ENOMEM;
|
|
|
|
fid_family->mlxsw_sp = mlxsw_sp;
|
|
INIT_LIST_HEAD(&fid_family->fids_list);
|
|
fid_family->fids_bitmap = kcalloc(BITS_TO_LONGS(nr_fids),
|
|
sizeof(unsigned long), GFP_KERNEL);
|
|
if (!fid_family->fids_bitmap) {
|
|
err = -ENOMEM;
|
|
goto err_alloc_fids_bitmap;
|
|
}
|
|
|
|
if (fid_family->flood_tables) {
|
|
err = mlxsw_sp_fid_flood_tables_init(fid_family);
|
|
if (err)
|
|
goto err_fid_flood_tables_init;
|
|
}
|
|
|
|
mlxsw_sp->fid_core->fid_family_arr[tmpl->type] = fid_family;
|
|
|
|
return 0;
|
|
|
|
err_fid_flood_tables_init:
|
|
kfree(fid_family->fids_bitmap);
|
|
err_alloc_fids_bitmap:
|
|
kfree(fid_family);
|
|
return err;
|
|
}
|
|
|
|
static void
|
|
mlxsw_sp_fid_family_unregister(struct mlxsw_sp *mlxsw_sp,
|
|
struct mlxsw_sp_fid_family *fid_family)
|
|
{
|
|
mlxsw_sp->fid_core->fid_family_arr[fid_family->type] = NULL;
|
|
kfree(fid_family->fids_bitmap);
|
|
WARN_ON_ONCE(!list_empty(&fid_family->fids_list));
|
|
kfree(fid_family);
|
|
}
|
|
|
|
int mlxsw_sp_port_fids_init(struct mlxsw_sp_port *mlxsw_sp_port)
|
|
{
|
|
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
|
|
|
|
/* Track number of FIDs configured on the port with mapping type
|
|
* PORT_VID_TO_FID, so that we know when to transition the port
|
|
* back to non-virtual (VLAN) mode.
|
|
*/
|
|
mlxsw_sp->fid_core->port_fid_mappings[mlxsw_sp_port->local_port] = 0;
|
|
|
|
return mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, false);
|
|
}
|
|
|
|
void mlxsw_sp_port_fids_fini(struct mlxsw_sp_port *mlxsw_sp_port)
|
|
{
|
|
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
|
|
|
|
mlxsw_sp->fid_core->port_fid_mappings[mlxsw_sp_port->local_port] = 0;
|
|
}
|
|
|
|
int mlxsw_sp_fids_init(struct mlxsw_sp *mlxsw_sp)
|
|
{
|
|
unsigned int max_ports = mlxsw_core_max_ports(mlxsw_sp->core);
|
|
struct mlxsw_sp_fid_core *fid_core;
|
|
int err, i;
|
|
|
|
fid_core = kzalloc(sizeof(*mlxsw_sp->fid_core), GFP_KERNEL);
|
|
if (!fid_core)
|
|
return -ENOMEM;
|
|
mlxsw_sp->fid_core = fid_core;
|
|
|
|
fid_core->port_fid_mappings = kcalloc(max_ports, sizeof(unsigned int),
|
|
GFP_KERNEL);
|
|
if (!fid_core->port_fid_mappings) {
|
|
err = -ENOMEM;
|
|
goto err_alloc_port_fid_mappings;
|
|
}
|
|
|
|
for (i = 0; i < MLXSW_SP_FID_TYPE_MAX; i++) {
|
|
err = mlxsw_sp_fid_family_register(mlxsw_sp,
|
|
mlxsw_sp_fid_family_arr[i]);
|
|
|
|
if (err)
|
|
goto err_fid_ops_register;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err_fid_ops_register:
|
|
for (i--; i >= 0; i--) {
|
|
struct mlxsw_sp_fid_family *fid_family;
|
|
|
|
fid_family = fid_core->fid_family_arr[i];
|
|
mlxsw_sp_fid_family_unregister(mlxsw_sp, fid_family);
|
|
}
|
|
kfree(fid_core->port_fid_mappings);
|
|
err_alloc_port_fid_mappings:
|
|
kfree(fid_core);
|
|
return err;
|
|
}
|
|
|
|
void mlxsw_sp_fids_fini(struct mlxsw_sp *mlxsw_sp)
|
|
{
|
|
struct mlxsw_sp_fid_core *fid_core = mlxsw_sp->fid_core;
|
|
int i;
|
|
|
|
for (i = 0; i < MLXSW_SP_FID_TYPE_MAX; i++)
|
|
mlxsw_sp_fid_family_unregister(mlxsw_sp,
|
|
fid_core->fid_family_arr[i]);
|
|
kfree(fid_core->port_fid_mappings);
|
|
kfree(fid_core);
|
|
}
|
|
|