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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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/net/dsa/b53/b53_common.c
View File

@ -2110,7 +2110,8 @@ out:
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;

3
drivers/net/dsa/b53/b53_priv.h
View File

@ -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,

2
drivers/net/dsa/microchip/ksz8795.c
View File

@ -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;

2
drivers/net/dsa/microchip/ksz9477.c
View File

@ -1018,7 +1018,7 @@ exit:
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;

2
drivers/net/dsa/mt7530.c
View File

@ -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;

3
drivers/net/dsa/mv88e6xxx/chip.c
View File

@ -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 :

2
drivers/net/dsa/qca8k.c
View File

@ -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;

2
drivers/net/dsa/sja1105/sja1105_main.c
View File

@ -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);

2
include/net/dsa.h
View File

@ -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,

3
net/dsa/slave.c
View File

@ -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;