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mlxsw: spectrum_span: Allow passing parameters to SPAN agents

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Currently, the only parameter of a SPAN agent is the netdev which
the SPAN agent should mirror to.

The next patch will add the ability to request a SPAN agent that mirrors
to a specific netdev and has a specific policer ID bound to it. This is
required when mirroring packets to the CPU port.

Therefore, encapsulate the sole parameter to mlxsw_sp_span_agent_get()
in a structure, so that it could later be extended with policer
information.

Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel 2020-07-14 17:21:00 +03:00 committed by David S. Miller
parent fa8c08b8fc
commit a120ecc3c5
5 changed files with 20 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_flex_actions.c
View File

@ -136,11 +136,13 @@ mlxsw_sp_act_mirror_add(void *priv, u8 local_in_port,
const struct net_device *out_dev,
bool ingress, int *p_span_id)
{
struct mlxsw_sp_span_agent_parms agent_parms;
struct mlxsw_sp_port *mlxsw_sp_port;
struct mlxsw_sp *mlxsw_sp = priv;
int err;
err = mlxsw_sp_span_agent_get(mlxsw_sp, out_dev, p_span_id);
agent_parms.to_dev = out_dev;
err = mlxsw_sp_span_agent_get(mlxsw_sp, p_span_id, &agent_parms);
if (err)
return err;

6
drivers/net/ethernet/mellanox/mlxsw/spectrum_matchall.c
View File

@ -27,6 +27,7 @@ mlxsw_sp_mall_port_mirror_add(struct mlxsw_sp_port *mlxsw_sp_port,
struct mlxsw_sp_mall_entry *mall_entry)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
struct mlxsw_sp_span_agent_parms agent_parms;
struct mlxsw_sp_span_trigger_parms parms;
enum mlxsw_sp_span_trigger trigger;
int err;
@ -36,8 +37,9 @@ mlxsw_sp_mall_port_mirror_add(struct mlxsw_sp_port *mlxsw_sp_port,
return -EINVAL;
}
err = mlxsw_sp_span_agent_get(mlxsw_sp, mall_entry->mirror.to_dev,
&mall_entry->mirror.span_id);
agent_parms.to_dev = mall_entry->mirror.to_dev;
err = mlxsw_sp_span_agent_get(mlxsw_sp, &mall_entry->mirror.span_id,
&agent_parms);
if (err)
return err;

5
drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c
View File

@ -1295,10 +1295,13 @@ static int mlxsw_sp_qevent_mirror_configure(struct mlxsw_sp *mlxsw_sp,
{
struct mlxsw_sp_port *mlxsw_sp_port = qevent_binding->mlxsw_sp_port;
struct mlxsw_sp_span_trigger_parms trigger_parms = {};
struct mlxsw_sp_span_agent_parms agent_parms = {
.to_dev = mall_entry->mirror.to_dev,
};
int span_id;
int err;
err = mlxsw_sp_span_agent_get(mlxsw_sp, mall_entry->mirror.to_dev, &span_id);
err = mlxsw_sp_span_agent_get(mlxsw_sp, &span_id, &agent_parms);
if (err)
return err;

5
drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c
View File

@ -1032,9 +1032,10 @@ void mlxsw_sp_span_respin(struct mlxsw_sp *mlxsw_sp)
mlxsw_core_schedule_work(&mlxsw_sp->span->work);
}
int mlxsw_sp_span_agent_get(struct mlxsw_sp *mlxsw_sp,
const struct net_device *to_dev, int *p_span_id)
int mlxsw_sp_span_agent_get(struct mlxsw_sp *mlxsw_sp, int *p_span_id,
const struct mlxsw_sp_span_agent_parms *parms)
{
const struct net_device *to_dev = parms->to_dev;
const struct mlxsw_sp_span_entry_ops *ops;
struct mlxsw_sp_span_entry *span_entry;
struct mlxsw_sp_span_parms sparms;

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

@ -35,6 +35,10 @@ struct mlxsw_sp_span_trigger_parms {
int span_id;
};
struct mlxsw_sp_span_agent_parms {
const struct net_device *to_dev;
};
struct mlxsw_sp_span_entry_ops;
struct mlxsw_sp_span_ops {
@ -74,8 +78,8 @@ void mlxsw_sp_span_entry_invalidate(struct mlxsw_sp *mlxsw_sp,
int mlxsw_sp_span_port_mtu_update(struct mlxsw_sp_port *port, u16 mtu);
void mlxsw_sp_span_speed_update_work(struct work_struct *work);
int mlxsw_sp_span_agent_get(struct mlxsw_sp *mlxsw_sp,
const struct net_device *to_dev, int *p_span_id);
int mlxsw_sp_span_agent_get(struct mlxsw_sp *mlxsw_sp, int *p_span_id,
const struct mlxsw_sp_span_agent_parms *parms);
void mlxsw_sp_span_agent_put(struct mlxsw_sp *mlxsw_sp, int span_id);
int mlxsw_sp_span_analyzed_port_get(struct mlxsw_sp_port *mlxsw_sp_port,
bool ingress);