net: dsa: pass extack to dsa_switch_ops :: port_mirror_add()

Drivers might have error messages to propagate to user space, most
common being that they support a single mirror port.

Propagate the netlink extack so that they can inform user space in a
verbal way of their limitations.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Vladimir Oltean 2022-03-16 22:41:43 +02:00 committed by Jakub Kicinski
parent f2a0e216be
commit 0148bb50b8
10 changed files with 14 additions and 10 deletions

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@ -2110,7 +2110,8 @@ enum dsa_tag_protocol b53_get_tag_protocol(struct dsa_switch *ds, int port,
EXPORT_SYMBOL(b53_get_tag_protocol);
int b53_mirror_add(struct dsa_switch *ds, int port,
struct dsa_mall_mirror_tc_entry *mirror, bool ingress)
struct dsa_mall_mirror_tc_entry *mirror, bool ingress,
struct netlink_ext_ack *extack)
{
struct b53_device *dev = ds->priv;
u16 reg, loc;

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@ -373,7 +373,8 @@ int b53_mdb_del(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_mdb *mdb,
struct dsa_db db);
int b53_mirror_add(struct dsa_switch *ds, int port,
struct dsa_mall_mirror_tc_entry *mirror, bool ingress);
struct dsa_mall_mirror_tc_entry *mirror, bool ingress,
struct netlink_ext_ack *extack);
enum dsa_tag_protocol b53_get_tag_protocol(struct dsa_switch *ds, int port,
enum dsa_tag_protocol mprot);
void b53_mirror_del(struct dsa_switch *ds, int port,

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@ -1233,7 +1233,7 @@ static int ksz8_port_vlan_del(struct dsa_switch *ds, int port,
static int ksz8_port_mirror_add(struct dsa_switch *ds, int port,
struct dsa_mall_mirror_tc_entry *mirror,
bool ingress)
bool ingress, struct netlink_ext_ack *extack)
{
struct ksz_device *dev = ds->priv;

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@ -1018,7 +1018,7 @@ static int ksz9477_port_mdb_del(struct dsa_switch *ds, int port,
static int ksz9477_port_mirror_add(struct dsa_switch *ds, int port,
struct dsa_mall_mirror_tc_entry *mirror,
bool ingress)
bool ingress, struct netlink_ext_ack *extack)
{
struct ksz_device *dev = ds->priv;

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@ -1714,7 +1714,7 @@ static int mt753x_mirror_port_set(unsigned int id, u32 val)
static int mt753x_port_mirror_add(struct dsa_switch *ds, int port,
struct dsa_mall_mirror_tc_entry *mirror,
bool ingress)
bool ingress, struct netlink_ext_ack *extack)
{
struct mt7530_priv *priv = ds->priv;
int monitor_port;

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@ -6321,7 +6321,8 @@ static int mv88e6xxx_port_mdb_del(struct dsa_switch *ds, int port,
static int mv88e6xxx_port_mirror_add(struct dsa_switch *ds, int port,
struct dsa_mall_mirror_tc_entry *mirror,
bool ingress)
bool ingress,
struct netlink_ext_ack *extack)
{
enum mv88e6xxx_egress_direction direction = ingress ?
MV88E6XXX_EGRESS_DIR_INGRESS :

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@ -2473,7 +2473,7 @@ qca8k_port_mdb_del(struct dsa_switch *ds, int port,
static int
qca8k_port_mirror_add(struct dsa_switch *ds, int port,
struct dsa_mall_mirror_tc_entry *mirror,
bool ingress)
bool ingress, struct netlink_ext_ack *extack)
{
struct qca8k_priv *priv = ds->priv;
int monitor_port, ret;

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@ -2847,7 +2847,7 @@ static int sja1105_mirror_apply(struct sja1105_private *priv, int from, int to,
static int sja1105_mirror_add(struct dsa_switch *ds, int port,
struct dsa_mall_mirror_tc_entry *mirror,
bool ingress)
bool ingress, struct netlink_ext_ack *extack)
{
return sja1105_mirror_apply(ds->priv, port, mirror->to_local_port,
ingress, true);

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@ -1028,7 +1028,7 @@ struct dsa_switch_ops {
struct flow_cls_offload *cls, bool ingress);
int (*port_mirror_add)(struct dsa_switch *ds, int port,
struct dsa_mall_mirror_tc_entry *mirror,
bool ingress);
bool ingress, struct netlink_ext_ack *extack);
void (*port_mirror_del)(struct dsa_switch *ds, int port,
struct dsa_mall_mirror_tc_entry *mirror);
int (*port_policer_add)(struct dsa_switch *ds, int port,

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@ -1173,6 +1173,7 @@ dsa_slave_add_cls_matchall_mirred(struct net_device *dev,
struct tc_cls_matchall_offload *cls,
bool ingress)
{
struct netlink_ext_ack *extack = cls->common.extack;
struct dsa_port *dp = dsa_slave_to_port(dev);
struct dsa_slave_priv *p = netdev_priv(dev);
struct dsa_mall_mirror_tc_entry *mirror;
@ -1210,7 +1211,7 @@ dsa_slave_add_cls_matchall_mirred(struct net_device *dev,
mirror->to_local_port = to_dp->index;
mirror->ingress = ingress;
err = ds->ops->port_mirror_add(ds, dp->index, mirror, ingress);
err = ds->ops->port_mirror_add(ds, dp->index, mirror, ingress, extack);
if (err) {
kfree(mall_tc_entry);
return err;