AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-12-20 10:59:04 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

mlxsw: spectrum_router: Add basic ipv4 router initialization

Browse Source 
Create a skeleton router file and do basic HW initialization of router.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel 2016-07-02 11:00:15 +02:00 committed by David S. Miller
parent bbf2a4757b
commit 464dce1884
4 changed files with 83 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ethernet/mellanox/mlxsw/Makefile
View File

@ -7,5 +7,5 @@ obj-$(CONFIG_MLXSW_SWITCHX2) += mlxsw_switchx2.o
mlxsw_switchx2-objs := switchx2.o
obj-$(CONFIG_MLXSW_SPECTRUM) += mlxsw_spectrum.o
mlxsw_spectrum-objs := spectrum.o spectrum_buffers.o \
spectrum_switchdev.o
spectrum_switchdev.o spectrum_router.o
mlxsw_spectrum-$(CONFIG_MLXSW_SPECTRUM_DCB) += spectrum_dcb.o

9
drivers/net/ethernet/mellanox/mlxsw/spectrum.c
View File

@ -2438,6 +2438,12 @@ static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core,
goto err_switchdev_init;
}
err = mlxsw_sp_router_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize router\n");
goto err_router_init;
}
err = mlxsw_sp_ports_create(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to create ports\n");
@ -2447,6 +2453,8 @@ static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core,
return 0;
err_ports_create:
mlxsw_sp_router_fini(mlxsw_sp);
err_router_init:
mlxsw_sp_switchdev_fini(mlxsw_sp);
err_switchdev_init:
err_lag_init:
@ -2464,6 +2472,7 @@ static void mlxsw_sp_fini(struct mlxsw_core *mlxsw_core)
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
mlxsw_sp_ports_remove(mlxsw_sp);
mlxsw_sp_router_fini(mlxsw_sp);
mlxsw_sp_switchdev_fini(mlxsw_sp);
mlxsw_sp_buffers_fini(mlxsw_sp);
mlxsw_sp_traps_fini(mlxsw_sp);

5
drivers/net/ethernet/mellanox/mlxsw/spectrum.h
View File

@ -74,6 +74,8 @@
#define MLXSW_SP_CELL_FACTOR 2 /* 2 * cell_size / (IPG + cell_size + 1) */
#define MLXSW_SP_RIF_MAX 800
static inline u16 mlxsw_sp_pfc_delay_get(int mtu, u16 delay)
{
delay = MLXSW_SP_BYTES_TO_CELLS(DIV_ROUND_UP(delay, BITS_PER_BYTE));
@ -411,4 +413,7 @@ static inline void mlxsw_sp_port_dcb_fini(struct mlxsw_sp_port *mlxsw_sp_port)
#endif
int mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp);
void mlxsw_sp_router_fini(struct mlxsw_sp *mlxsw_sp);
#endif

68
drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c Normal file
View File

@ -0,0 +1,68 @@
/*
* drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
* Copyright (c) 2016 Mellanox Technologies. All rights reserved.
* Copyright (c) 2016 Jiri Pirko <jiri@mellanox.com>
* Copyright (c) 2016 Ido Schimmel <idosch@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.
*/
#include <linux/kernel.h>
#include <linux/types.h>
#include "spectrum.h"
#include "core.h"
#include "reg.h"
static int __mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp)
{
char rgcr_pl[MLXSW_REG_RGCR_LEN];
mlxsw_reg_rgcr_pack(rgcr_pl, true);
mlxsw_reg_rgcr_max_router_interfaces_set(rgcr_pl, MLXSW_SP_RIF_MAX);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(rgcr), rgcr_pl);
}
static void __mlxsw_sp_router_fini(struct mlxsw_sp *mlxsw_sp)
{
char rgcr_pl[MLXSW_REG_RGCR_LEN];
mlxsw_reg_rgcr_pack(rgcr_pl, false);
mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(rgcr), rgcr_pl);
}
int mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp)
{
return __mlxsw_sp_router_init(mlxsw_sp);
}
void mlxsw_sp_router_fini(struct mlxsw_sp *mlxsw_sp)
{
__mlxsw_sp_router_fini(mlxsw_sp);
}