130 lines
4.2 KiB
C
130 lines
4.2 KiB
C
/*
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* drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_flex_actions.c
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* Copyright (c) 2017 Mellanox Technologies. All rights reserved.
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* Copyright (c) 2017 Jiri Pirko <jiri@mellanox.com>
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* Copyright (c) 2017 Yotam Gigi <yotamg@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 "spectrum_acl_flex_actions.h"
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#include "core_acl_flex_actions.h"
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#define MLXSW_SP_KVDL_ACT_EXT_SIZE 1
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static int mlxsw_sp_act_kvdl_set_add(void *priv, u32 *p_kvdl_index,
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char *enc_actions, bool is_first)
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{
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struct mlxsw_sp *mlxsw_sp = priv;
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char pefa_pl[MLXSW_REG_PEFA_LEN];
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u32 kvdl_index;
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int err;
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/* The first action set of a TCAM entry is stored directly in TCAM,
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* not KVD linear area.
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*/
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if (is_first)
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return 0;
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err = mlxsw_sp_kvdl_alloc(mlxsw_sp, MLXSW_SP_KVDL_ACT_EXT_SIZE,
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&kvdl_index);
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if (err)
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return err;
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mlxsw_reg_pefa_pack(pefa_pl, kvdl_index, enc_actions);
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err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pefa), pefa_pl);
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if (err)
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goto err_pefa_write;
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*p_kvdl_index = kvdl_index;
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return 0;
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err_pefa_write:
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mlxsw_sp_kvdl_free(mlxsw_sp, kvdl_index);
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return err;
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}
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static void mlxsw_sp_act_kvdl_set_del(void *priv, u32 kvdl_index,
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bool is_first)
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{
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struct mlxsw_sp *mlxsw_sp = priv;
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if (is_first)
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return;
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mlxsw_sp_kvdl_free(mlxsw_sp, kvdl_index);
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}
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static int mlxsw_sp_act_kvdl_fwd_entry_add(void *priv, u32 *p_kvdl_index,
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u8 local_port)
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{
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struct mlxsw_sp *mlxsw_sp = priv;
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char ppbs_pl[MLXSW_REG_PPBS_LEN];
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u32 kvdl_index;
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int err;
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err = mlxsw_sp_kvdl_alloc(mlxsw_sp, 1, &kvdl_index);
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if (err)
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return err;
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mlxsw_reg_ppbs_pack(ppbs_pl, kvdl_index, local_port);
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err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ppbs), ppbs_pl);
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if (err)
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goto err_ppbs_write;
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*p_kvdl_index = kvdl_index;
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return 0;
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err_ppbs_write:
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mlxsw_sp_kvdl_free(mlxsw_sp, kvdl_index);
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return err;
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}
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static void mlxsw_sp_act_kvdl_fwd_entry_del(void *priv, u32 kvdl_index)
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{
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struct mlxsw_sp *mlxsw_sp = priv;
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mlxsw_sp_kvdl_free(mlxsw_sp, kvdl_index);
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}
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static const struct mlxsw_afa_ops mlxsw_sp_act_afa_ops = {
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.kvdl_set_add = mlxsw_sp_act_kvdl_set_add,
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.kvdl_set_del = mlxsw_sp_act_kvdl_set_del,
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.kvdl_fwd_entry_add = mlxsw_sp_act_kvdl_fwd_entry_add,
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.kvdl_fwd_entry_del = mlxsw_sp_act_kvdl_fwd_entry_del,
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};
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int mlxsw_sp_afa_init(struct mlxsw_sp *mlxsw_sp)
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{
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mlxsw_sp->afa = mlxsw_afa_create(MLXSW_CORE_RES_GET(mlxsw_sp->core,
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ACL_ACTIONS_PER_SET),
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&mlxsw_sp_act_afa_ops, mlxsw_sp);
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return PTR_ERR_OR_ZERO(mlxsw_sp->afa);
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}
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void mlxsw_sp_afa_fini(struct mlxsw_sp *mlxsw_sp)
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{
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mlxsw_afa_destroy(mlxsw_sp->afa);
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}
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