diff options
Diffstat (limited to 'drivers')
5 files changed, 232 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/resources.h b/drivers/net/ethernet/mellanox/mlxsw/resources.h index ee097691fa8c..9556d934714b 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/resources.h +++ b/drivers/net/ethernet/mellanox/mlxsw/resources.h @@ -46,6 +46,7 @@ enum mlxsw_res_id { MLXSW_RES_ID_COUNTER_POOL_SIZE, MLXSW_RES_ID_MAX_SPAN, MLXSW_RES_ID_COUNTER_SIZE_PACKETS_BYTES, + MLXSW_RES_ID_COUNTER_SIZE_ROUTER_BASIC, MLXSW_RES_ID_MAX_SYSTEM_PORT, MLXSW_RES_ID_MAX_LAG, MLXSW_RES_ID_MAX_LAG_MEMBERS, @@ -82,6 +83,7 @@ static u16 mlxsw_res_ids[] = { [MLXSW_RES_ID_COUNTER_POOL_SIZE] = 0x2410, [MLXSW_RES_ID_MAX_SPAN] = 0x2420, [MLXSW_RES_ID_COUNTER_SIZE_PACKETS_BYTES] = 0x2443, + [MLXSW_RES_ID_COUNTER_SIZE_ROUTER_BASIC] = 0x2449, [MLXSW_RES_ID_MAX_SYSTEM_PORT] = 0x2502, [MLXSW_RES_ID_MAX_LAG] = 0x2520, [MLXSW_RES_ID_MAX_LAG_MEMBERS] = 0x2521, diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_cnt.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_cnt.c index 1631e01908c0..0f46775e0307 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_cnt.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_cnt.c @@ -56,6 +56,9 @@ static struct mlxsw_sp_counter_sub_pool mlxsw_sp_counter_sub_pools[] = { [MLXSW_SP_COUNTER_SUB_POOL_FLOW] = { .bank_count = 6, }, + [MLXSW_SP_COUNTER_SUB_POOL_RIF] = { + .bank_count = 2, + } }; static int mlxsw_sp_counter_pool_validate(struct mlxsw_sp *mlxsw_sp) @@ -83,6 +86,12 @@ static int mlxsw_sp_counter_sub_pools_prepare(struct mlxsw_sp *mlxsw_sp) return -EIO; sub_pool->entry_size = MLXSW_CORE_RES_GET(mlxsw_sp->core, COUNTER_SIZE_PACKETS_BYTES); + /* Prepare erif pool*/ + sub_pool = &mlxsw_sp_counter_sub_pools[MLXSW_SP_COUNTER_SUB_POOL_RIF]; + if (!MLXSW_CORE_RES_VALID(mlxsw_sp->core, COUNTER_SIZE_ROUTER_BASIC)) + return -EIO; + sub_pool->entry_size = MLXSW_CORE_RES_GET(mlxsw_sp->core, + COUNTER_SIZE_ROUTER_BASIC); return 0; } diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_cnt.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum_cnt.h index 031bc4abbe2d..fd34d0a01073 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_cnt.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_cnt.h @@ -39,6 +39,7 @@ enum mlxsw_sp_counter_sub_pool_id { MLXSW_SP_COUNTER_SUB_POOL_FLOW, + MLXSW_SP_COUNTER_SUB_POOL_RIF, }; int mlxsw_sp_counter_alloc(struct mlxsw_sp *mlxsw_sp, diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index 905d45997058..b0e0439e250b 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -52,6 +52,9 @@ #include "spectrum.h" #include "core.h" #include "reg.h" +#include "spectrum_cnt.h" +#include "spectrum_dpipe.h" +#include "spectrum_router.h" struct mlxsw_sp_rif { struct list_head nexthop_list; @@ -62,8 +65,157 @@ struct mlxsw_sp_rif { int mtu; u16 rif_index; u16 vr_id; + unsigned int counter_ingress; + bool counter_ingress_valid; + unsigned int counter_egress; + bool counter_egress_valid; }; +static unsigned int * +mlxsw_sp_rif_p_counter_get(struct mlxsw_sp_rif *rif, + enum mlxsw_sp_rif_counter_dir dir) +{ + switch (dir) { + case MLXSW_SP_RIF_COUNTER_EGRESS: + return &rif->counter_egress; + case MLXSW_SP_RIF_COUNTER_INGRESS: + return &rif->counter_ingress; + } + return NULL; +} + +static bool +mlxsw_sp_rif_counter_valid_get(struct mlxsw_sp_rif *rif, + enum mlxsw_sp_rif_counter_dir dir) +{ + switch (dir) { + case MLXSW_SP_RIF_COUNTER_EGRESS: + return rif->counter_egress_valid; + case MLXSW_SP_RIF_COUNTER_INGRESS: + return rif->counter_ingress_valid; + } + return false; +} + +static void +mlxsw_sp_rif_counter_valid_set(struct mlxsw_sp_rif *rif, + enum mlxsw_sp_rif_counter_dir dir, + bool valid) +{ + switch (dir) { + case MLXSW_SP_RIF_COUNTER_EGRESS: + rif->counter_egress_valid = valid; + break; + case MLXSW_SP_RIF_COUNTER_INGRESS: + rif->counter_ingress_valid = valid; + break; + } +} + +static int mlxsw_sp_rif_counter_edit(struct mlxsw_sp *mlxsw_sp, u16 rif_index, + unsigned int counter_index, bool enable, + enum mlxsw_sp_rif_counter_dir dir) +{ + char ritr_pl[MLXSW_REG_RITR_LEN]; + bool is_egress = false; + int err; + + if (dir == MLXSW_SP_RIF_COUNTER_EGRESS) + is_egress = true; + mlxsw_reg_ritr_rif_pack(ritr_pl, rif_index); + err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ritr), ritr_pl); + if (err) + return err; + + mlxsw_reg_ritr_counter_pack(ritr_pl, counter_index, enable, + is_egress); + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ritr), ritr_pl); +} + +int mlxsw_sp_rif_counter_value_get(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_rif *rif, + enum mlxsw_sp_rif_counter_dir dir, u64 *cnt) +{ + char ricnt_pl[MLXSW_REG_RICNT_LEN]; + unsigned int *p_counter_index; + bool valid; + int err; + + valid = mlxsw_sp_rif_counter_valid_get(rif, dir); + if (!valid) + return -EINVAL; + + p_counter_index = mlxsw_sp_rif_p_counter_get(rif, dir); + if (!p_counter_index) + return -EINVAL; + mlxsw_reg_ricnt_pack(ricnt_pl, *p_counter_index, + MLXSW_REG_RICNT_OPCODE_NOP); + err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ricnt), ricnt_pl); + if (err) + return err; + *cnt = mlxsw_reg_ricnt_good_unicast_packets_get(ricnt_pl); + return 0; +} + +static int mlxsw_sp_rif_counter_clear(struct mlxsw_sp *mlxsw_sp, + unsigned int counter_index) +{ + char ricnt_pl[MLXSW_REG_RICNT_LEN]; + + mlxsw_reg_ricnt_pack(ricnt_pl, counter_index, + MLXSW_REG_RICNT_OPCODE_CLEAR); + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ricnt), ricnt_pl); +} + +int mlxsw_sp_rif_counter_alloc(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_rif *rif, + enum mlxsw_sp_rif_counter_dir dir) +{ + unsigned int *p_counter_index; + int err; + + p_counter_index = mlxsw_sp_rif_p_counter_get(rif, dir); + if (!p_counter_index) + return -EINVAL; + err = mlxsw_sp_counter_alloc(mlxsw_sp, MLXSW_SP_COUNTER_SUB_POOL_RIF, + p_counter_index); + if (err) + return err; + + err = mlxsw_sp_rif_counter_clear(mlxsw_sp, *p_counter_index); + if (err) + goto err_counter_clear; + + err = mlxsw_sp_rif_counter_edit(mlxsw_sp, rif->rif_index, + *p_counter_index, true, dir); + if (err) + goto err_counter_edit; + mlxsw_sp_rif_counter_valid_set(rif, dir, true); + return 0; + +err_counter_edit: +err_counter_clear: + mlxsw_sp_counter_free(mlxsw_sp, MLXSW_SP_COUNTER_SUB_POOL_RIF, + *p_counter_index); + return err; +} + +void mlxsw_sp_rif_counter_free(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_rif *rif, + enum mlxsw_sp_rif_counter_dir dir) +{ + unsigned int *p_counter_index; + + p_counter_index = mlxsw_sp_rif_p_counter_get(rif, dir); + if (WARN_ON(!p_counter_index)) + return; + mlxsw_sp_rif_counter_edit(mlxsw_sp, rif->rif_index, + *p_counter_index, false, dir); + mlxsw_sp_counter_free(mlxsw_sp, MLXSW_SP_COUNTER_SUB_POOL_RIF, + *p_counter_index); + mlxsw_sp_rif_counter_valid_set(rif, dir, false); +} + static struct mlxsw_sp_rif * mlxsw_sp_rif_find_by_dev(const struct mlxsw_sp *mlxsw_sp, const struct net_device *dev); @@ -2822,6 +2974,15 @@ mlxsw_sp_vport_rif_sp_create(struct mlxsw_sp_port *mlxsw_sp_vport, goto err_rif_alloc; } + if (devlink_dpipe_table_counter_enabled(priv_to_devlink(mlxsw_sp->core), + MLXSW_SP_DPIPE_TABLE_NAME_ERIF)) { + err = mlxsw_sp_rif_counter_alloc(mlxsw_sp, rif, + MLXSW_SP_RIF_COUNTER_EGRESS); + if (err) + netdev_dbg(mlxsw_sp_vport->dev, + "Counter alloc Failed err=%d\n", err); + } + f->rif = rif; mlxsw_sp->rifs[rif_index] = rif; vr->rif_count++; @@ -2852,6 +3013,9 @@ static void mlxsw_sp_vport_rif_sp_destroy(struct mlxsw_sp_port *mlxsw_sp_vport, mlxsw_sp_router_rif_gone_sync(mlxsw_sp, rif); + mlxsw_sp_rif_counter_free(mlxsw_sp, rif, MLXSW_SP_RIF_COUNTER_EGRESS); + mlxsw_sp_rif_counter_free(mlxsw_sp, rif, MLXSW_SP_RIF_COUNTER_INGRESS); + vr->rif_count--; mlxsw_sp->rifs[rif_index] = NULL; f->rif = NULL; diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h new file mode 100644 index 000000000000..f469dc930097 --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h @@ -0,0 +1,56 @@ +/* + * drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h + * Copyright (c) 2017 Mellanox Technologies. All rights reserved. + * Copyright (c) 2017 Arkadi Sharshevsky <arkadis@mellanox.com> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the names of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _MLXSW_ROUTER_H_ +#define _MLXSW_ROUTER_H_ + +#include "spectrum.h" + +enum mlxsw_sp_rif_counter_dir { + MLXSW_SP_RIF_COUNTER_INGRESS, + MLXSW_SP_RIF_COUNTER_EGRESS, +}; + +int mlxsw_sp_rif_counter_value_get(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_rif *rif, + enum mlxsw_sp_rif_counter_dir dir, + u64 *cnt); +void mlxsw_sp_rif_counter_free(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_rif *rif, + enum mlxsw_sp_rif_counter_dir dir); +int mlxsw_sp_rif_counter_alloc(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_rif *rif, + enum mlxsw_sp_rif_counter_dir dir); + +#endif /* _MLXSW_ROUTER_H_*/ |