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mlxsw: spectrum: Add dummy FID initialization

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For forwarding using ACL action, HW needs a valid FID to be setup. It
does not actually use it, so it can be any valid FID. So create a dummy
FID only for this purpose.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2017-04-18 16:55:33 +02:00 committed by David S. Miller
parent ac44dd43d8
commit 202d6f423c
2 changed files with 24 additions and 1 deletions
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21
drivers/net/ethernet/mellanox/mlxsw/spectrum.c
View File

@ -3268,6 +3268,18 @@ static int mlxsw_sp_basic_trap_groups_set(struct mlxsw_core *mlxsw_core)
return mlxsw_reg_write(mlxsw_core, MLXSW_REG(htgt), htgt_pl);
}
static int mlxsw_sp_vfid_op(struct mlxsw_sp *mlxsw_sp, u16 fid, bool create);
static int mlxsw_sp_dummy_fid_init(struct mlxsw_sp *mlxsw_sp)
{
return mlxsw_sp_vfid_op(mlxsw_sp, MLXSW_SP_DUMMY_FID, true);
}
static void mlxsw_sp_dummy_fid_fini(struct mlxsw_sp *mlxsw_sp)
{
mlxsw_sp_vfid_op(mlxsw_sp, MLXSW_SP_DUMMY_FID, false);
}
static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core,
const struct mlxsw_bus_info *mlxsw_bus_info)
{
@ -3346,6 +3358,12 @@ static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core,
goto err_dpipe_init;
}
err = mlxsw_sp_dummy_fid_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to init dummy FID\n");
goto err_dummy_fid_init;
}
err = mlxsw_sp_ports_create(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to create ports\n");
@ -3355,6 +3373,8 @@ static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core,
return 0;
err_ports_create:
mlxsw_sp_dummy_fid_fini(mlxsw_sp);
err_dummy_fid_init:
mlxsw_sp_dpipe_fini(mlxsw_sp);
err_dpipe_init:
mlxsw_sp_counter_pool_fini(mlxsw_sp);
@ -3381,6 +3401,7 @@ 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_dummy_fid_fini(mlxsw_sp);
mlxsw_sp_dpipe_fini(mlxsw_sp);
mlxsw_sp_counter_pool_fini(mlxsw_sp);
mlxsw_sp_acl_fini(mlxsw_sp);

4
drivers/net/ethernet/mellanox/mlxsw/spectrum.h
View File

@ -57,6 +57,8 @@
#define MLXSW_SP_VFID_BASE VLAN_N_VID
#define MLXSW_SP_VFID_MAX 1024 /* Bridged VLAN interfaces */
#define MLXSW_SP_DUMMY_FID 15359
#define MLXSW_SP_RFID_BASE 15360
#define MLXSW_SP_MID_MAX 7000
@ -105,7 +107,7 @@ static inline u16 mlxsw_sp_fid_to_vfid(u16 fid)
static inline bool mlxsw_sp_fid_is_vfid(u16 fid)
{
return fid >= MLXSW_SP_VFID_BASE && fid < MLXSW_SP_RFID_BASE;
return fid >= MLXSW_SP_VFID_BASE && fid < MLXSW_SP_DUMMY_FID;
}
struct mlxsw_sp_sb_pr {