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mlxsw: spectrum_matchall: Propagate extack further

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Due to the differences between Spectrum-1 and later ASICs, some of the
checks currently performed at the common code (where extack is
available) will need to be pushed to the per-ASIC operations.

As a preparation, propagate extack further to maintain proper error
reporting.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel 2021-03-16 17:02:54 +02:00 committed by David S. Miller
parent 5bdbdb823f
commit 6561df5608
3 changed files with 43 additions and 22 deletions
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6
drivers/net/ethernet/mellanox/mlxsw/spectrum.h
View File

@ -1035,7 +1035,8 @@ extern const struct mlxsw_afk_ops mlxsw_sp2_afk_ops;
/* spectrum_matchall.c */
struct mlxsw_sp_mall_ops {
int (*sample_add)(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_port *mlxsw_sp_port, u32 rate);
struct mlxsw_sp_port *mlxsw_sp_port, u32 rate,
struct netlink_ext_ack *extack);
void (*sample_del)(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_port *mlxsw_sp_port);
};
@ -1078,7 +1079,8 @@ int mlxsw_sp_mall_replace(struct mlxsw_sp *mlxsw_sp,
void mlxsw_sp_mall_destroy(struct mlxsw_sp_flow_block *block,
struct tc_cls_matchall_offload *f);
int mlxsw_sp_mall_port_bind(struct mlxsw_sp_flow_block *block,
struct mlxsw_sp_port *mlxsw_sp_port);
struct mlxsw_sp_port *mlxsw_sp_port,
struct netlink_ext_ack *extack);
void mlxsw_sp_mall_port_unbind(struct mlxsw_sp_flow_block *block,
struct mlxsw_sp_port *mlxsw_sp_port);
int mlxsw_sp_mall_prio_get(struct mlxsw_sp_flow_block *block, u32 chain_index,

2
drivers/net/ethernet/mellanox/mlxsw/spectrum_flow.c
View File

@ -71,7 +71,7 @@ static int mlxsw_sp_flow_block_bind(struct mlxsw_sp *mlxsw_sp,
return -EOPNOTSUPP;
}
err = mlxsw_sp_mall_port_bind(block, mlxsw_sp_port);
err = mlxsw_sp_mall_port_bind(block, mlxsw_sp_port, extack);
if (err)
return err;

57
drivers/net/ethernet/mellanox/mlxsw/spectrum_matchall.c
View File

@ -24,7 +24,8 @@ mlxsw_sp_mall_entry_find(struct mlxsw_sp_flow_block *block, unsigned long cookie
static int
mlxsw_sp_mall_port_mirror_add(struct mlxsw_sp_port *mlxsw_sp_port,
struct mlxsw_sp_mall_entry *mall_entry)
struct mlxsw_sp_mall_entry *mall_entry,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
struct mlxsw_sp_span_agent_parms agent_parms = {};
@ -33,20 +34,24 @@ mlxsw_sp_mall_port_mirror_add(struct mlxsw_sp_port *mlxsw_sp_port,
int err;
if (!mall_entry->mirror.to_dev) {
netdev_err(mlxsw_sp_port->dev, "Could not find requested device\n");
NL_SET_ERR_MSG(extack, "Could not find requested device");
return -EINVAL;
}
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)
if (err) {
NL_SET_ERR_MSG(extack, "Failed to get SPAN agent");
return err;
}
err = mlxsw_sp_span_analyzed_port_get(mlxsw_sp_port,
mall_entry->ingress);
if (err)
if (err) {
NL_SET_ERR_MSG(extack, "Failed to get analyzed port");
goto err_analyzed_port_get;
}
trigger = mall_entry->ingress ? MLXSW_SP_SPAN_TRIGGER_INGRESS :
MLXSW_SP_SPAN_TRIGGER_EGRESS;
@ -54,8 +59,10 @@ mlxsw_sp_mall_port_mirror_add(struct mlxsw_sp_port *mlxsw_sp_port,
parms.probability_rate = 1;
err = mlxsw_sp_span_agent_bind(mlxsw_sp, trigger, mlxsw_sp_port,
&parms);
if (err)
if (err) {
NL_SET_ERR_MSG(extack, "Failed to bind SPAN agent");
goto err_agent_bind;
}
return 0;
@ -94,19 +101,20 @@ static int mlxsw_sp_mall_port_sample_set(struct mlxsw_sp_port *mlxsw_sp_port,
static int
mlxsw_sp_mall_port_sample_add(struct mlxsw_sp_port *mlxsw_sp_port,
struct mlxsw_sp_mall_entry *mall_entry)
struct mlxsw_sp_mall_entry *mall_entry,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
int err;
if (rtnl_dereference(mlxsw_sp_port->sample)) {
netdev_err(mlxsw_sp_port->dev, "sample already active\n");
NL_SET_ERR_MSG(extack, "Sampling already active on port");
return -EEXIST;
}
rcu_assign_pointer(mlxsw_sp_port->sample, &mall_entry->sample);
err = mlxsw_sp->mall_ops->sample_add(mlxsw_sp, mlxsw_sp_port,
mall_entry->sample.rate);
mall_entry->sample.rate, extack);
if (err)
goto err_port_sample_set;
return 0;
@ -130,13 +138,16 @@ mlxsw_sp_mall_port_sample_del(struct mlxsw_sp_port *mlxsw_sp_port)
static int
mlxsw_sp_mall_port_rule_add(struct mlxsw_sp_port *mlxsw_sp_port,
struct mlxsw_sp_mall_entry *mall_entry)
struct mlxsw_sp_mall_entry *mall_entry,
struct netlink_ext_ack *extack)
{
switch (mall_entry->type) {
case MLXSW_SP_MALL_ACTION_TYPE_MIRROR:
return mlxsw_sp_mall_port_mirror_add(mlxsw_sp_port, mall_entry);
return mlxsw_sp_mall_port_mirror_add(mlxsw_sp_port, mall_entry,
extack);
case MLXSW_SP_MALL_ACTION_TYPE_SAMPLE:
return mlxsw_sp_mall_port_sample_add(mlxsw_sp_port, mall_entry);
return mlxsw_sp_mall_port_sample_add(mlxsw_sp_port, mall_entry,
extack);
default:
WARN_ON(1);
return -EINVAL;
@ -270,7 +281,7 @@ int mlxsw_sp_mall_replace(struct mlxsw_sp *mlxsw_sp,
list_for_each_entry(binding, &block->binding_list, list) {
err = mlxsw_sp_mall_port_rule_add(binding->mlxsw_sp_port,
mall_entry);
mall_entry, f->common.extack);
if (err)
goto rollback;
}
@ -318,13 +329,15 @@ void mlxsw_sp_mall_destroy(struct mlxsw_sp_flow_block *block,
}
int mlxsw_sp_mall_port_bind(struct mlxsw_sp_flow_block *block,
struct mlxsw_sp_port *mlxsw_sp_port)
struct mlxsw_sp_port *mlxsw_sp_port,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp_mall_entry *mall_entry;
int err;
list_for_each_entry(mall_entry, &block->mall.list, list) {
err = mlxsw_sp_mall_port_rule_add(mlxsw_sp_port, mall_entry);
err = mlxsw_sp_mall_port_rule_add(mlxsw_sp_port, mall_entry,
extack);
if (err)
goto rollback;
}
@ -362,7 +375,7 @@ int mlxsw_sp_mall_prio_get(struct mlxsw_sp_flow_block *block, u32 chain_index,
static int mlxsw_sp1_mall_sample_add(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_port *mlxsw_sp_port,
u32 rate)
u32 rate, struct netlink_ext_ack *extack)
{
return mlxsw_sp_mall_port_sample_set(mlxsw_sp_port, true, rate);
}
@ -380,7 +393,7 @@ const struct mlxsw_sp_mall_ops mlxsw_sp1_mall_ops = {
static int mlxsw_sp2_mall_sample_add(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_port *mlxsw_sp_port,
u32 rate)
u32 rate, struct netlink_ext_ack *extack)
{
struct mlxsw_sp_span_trigger_parms trigger_parms = {};
struct mlxsw_sp_span_agent_parms agent_parms = {
@ -393,19 +406,25 @@ static int mlxsw_sp2_mall_sample_add(struct mlxsw_sp *mlxsw_sp,
sample = rtnl_dereference(mlxsw_sp_port->sample);
err = mlxsw_sp_span_agent_get(mlxsw_sp, &sample->span_id, &agent_parms);
if (err)
if (err) {
NL_SET_ERR_MSG(extack, "Failed to get SPAN agent");
return err;
}
err = mlxsw_sp_span_analyzed_port_get(mlxsw_sp_port, true);
if (err)
if (err) {
NL_SET_ERR_MSG(extack, "Failed to get analyzed port");
goto err_analyzed_port_get;
}
trigger_parms.span_id = sample->span_id;
trigger_parms.probability_rate = rate;
err = mlxsw_sp_span_agent_bind(mlxsw_sp, MLXSW_SP_SPAN_TRIGGER_INGRESS,
mlxsw_sp_port, &trigger_parms);
if (err)
if (err) {
NL_SET_ERR_MSG(extack, "Failed to bind SPAN agent");
goto err_agent_bind;
}
return 0;