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mlxsw: core: Extend driver ops by remove selected ports op

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In case of line card implementation, the core has to have a way to
remove relevant ports manually. Extend the Spectrum driver ops by an op
that implements port removal of selected ports upon request.

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2022-04-18 09:42:39 +03:00 committed by David S. Miller
parent ee7a70fa67
commit 45bf3b7267
3 changed files with 34 additions and 0 deletions
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9
drivers/net/ethernet/mellanox/mlxsw/core.c
View File

@ -3143,6 +3143,15 @@ bool mlxsw_core_port_is_xm(const struct mlxsw_core *mlxsw_core, u16 local_port)
}
EXPORT_SYMBOL(mlxsw_core_port_is_xm);
void mlxsw_core_ports_remove_selected(struct mlxsw_core *mlxsw_core,
bool (*selector)(void *priv, u16 local_port),
void *priv)
{
if (WARN_ON_ONCE(!mlxsw_core->driver->ports_remove_selected))
return;
mlxsw_core->driver->ports_remove_selected(mlxsw_core, selector, priv);
}
struct mlxsw_env *mlxsw_core_env(const struct mlxsw_core *mlxsw_core)
{
return mlxsw_core->env;

8
drivers/net/ethernet/mellanox/mlxsw/core.h
View File

@ -258,6 +258,10 @@ struct devlink_port *
mlxsw_core_port_devlink_port_get(struct mlxsw_core *mlxsw_core,
u16 local_port);
bool mlxsw_core_port_is_xm(const struct mlxsw_core *mlxsw_core, u16 local_port);
void mlxsw_core_ports_remove_selected(struct mlxsw_core *mlxsw_core,
bool (*selector)(void *priv,
u16 local_port),
void *priv);
struct mlxsw_env *mlxsw_core_env(const struct mlxsw_core *mlxsw_core);
int mlxsw_core_schedule_dw(struct delayed_work *dwork, unsigned long delay);
@ -331,6 +335,10 @@ struct mlxsw_driver {
unsigned int count, struct netlink_ext_ack *extack);
int (*port_unsplit)(struct mlxsw_core *mlxsw_core, u16 local_port,
struct netlink_ext_ack *extack);
void (*ports_remove_selected)(struct mlxsw_core *mlxsw_core,
bool (*selector)(void *priv,
u16 local_port),
void *priv);
int (*sb_pool_get)(struct mlxsw_core *mlxsw_core,
unsigned int sb_index, u16 pool_index,
struct devlink_sb_pool_info *pool_info);

17
drivers/net/ethernet/mellanox/mlxsw/spectrum.c
View File

@ -1999,6 +1999,20 @@ static void mlxsw_sp_ports_remove(struct mlxsw_sp *mlxsw_sp)
mlxsw_sp->ports = NULL;
}
static void
mlxsw_sp_ports_remove_selected(struct mlxsw_core *mlxsw_core,
bool (*selector)(void *priv, u16 local_port),
void *priv)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
unsigned int max_ports = mlxsw_core_max_ports(mlxsw_core);
int i;
for (i = 1; i < max_ports; i++)
if (mlxsw_sp_port_created(mlxsw_sp, i) && selector(priv, i))
mlxsw_sp_port_remove(mlxsw_sp, i);
}
static int mlxsw_sp_ports_create(struct mlxsw_sp *mlxsw_sp)
{
unsigned int max_ports = mlxsw_core_max_ports(mlxsw_sp->core);
@ -3785,6 +3799,7 @@ static struct mlxsw_driver mlxsw_sp2_driver = {
.fini = mlxsw_sp_fini,
.port_split = mlxsw_sp_port_split,
.port_unsplit = mlxsw_sp_port_unsplit,
.ports_remove_selected = mlxsw_sp_ports_remove_selected,
.sb_pool_get = mlxsw_sp_sb_pool_get,
.sb_pool_set = mlxsw_sp_sb_pool_set,
.sb_port_pool_get = mlxsw_sp_sb_port_pool_get,
@ -3822,6 +3837,7 @@ static struct mlxsw_driver mlxsw_sp3_driver = {
.fini = mlxsw_sp_fini,
.port_split = mlxsw_sp_port_split,
.port_unsplit = mlxsw_sp_port_unsplit,
.ports_remove_selected = mlxsw_sp_ports_remove_selected,
.sb_pool_get = mlxsw_sp_sb_pool_get,
.sb_pool_set = mlxsw_sp_sb_pool_set,
.sb_port_pool_get = mlxsw_sp_sb_port_pool_get,
@ -3857,6 +3873,7 @@ static struct mlxsw_driver mlxsw_sp4_driver = {
.fini = mlxsw_sp_fini,
.port_split = mlxsw_sp_port_split,
.port_unsplit = mlxsw_sp_port_unsplit,
.ports_remove_selected = mlxsw_sp_ports_remove_selected,
.sb_pool_get = mlxsw_sp_sb_pool_get,
.sb_pool_set = mlxsw_sp_sb_pool_set,
.sb_port_pool_get = mlxsw_sp_sb_port_pool_get,