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mlxsw: spectrum_acl_tcam: Add support for retrieving TCAM entry activity 

Add support for retrieving TCAM entry activity. In order to support ACL
rule activity corresponding TCAM entry should be queried.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arkadi Sharshevsky 2017-03-11 09:42:54 +01:00 committed by David S. Miller
parent 1abcbcc292
commit 7fd056c2ef
2 changed files with 44 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ethernet/mellanox/mlxsw/spectrum.h
View File

@ -607,6 +607,8 @@ struct mlxsw_sp_acl_profile_ops {
void *ruleset_priv, void *rule_priv,
struct mlxsw_sp_acl_rule_info *rulei);
void (*rule_del)(struct mlxsw_sp *mlxsw_sp, void *rule_priv);
int (*rule_activity_get)(struct mlxsw_sp *mlxsw_sp, void *rule_priv,
bool *activity);
};
struct mlxsw_sp_acl_ops {

42
drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
View File

@ -561,6 +561,24 @@ mlxsw_sp_acl_tcam_region_entry_remove(struct mlxsw_sp *mlxsw_sp,
mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptce2), ptce2_pl);
}
static int
mlxsw_sp_acl_tcam_region_entry_activity_get(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_tcam_region *region,
unsigned int offset,
bool *activity)
{
char ptce2_pl[MLXSW_REG_PTCE2_LEN];
int err;
mlxsw_reg_ptce2_pack(ptce2_pl, true, MLXSW_REG_PTCE2_OP_QUERY_CLEAR_ON_READ,
region->tcam_region_info, offset);
err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptce2), ptce2_pl);
if (err)
return err;
*activity = mlxsw_reg_ptce2_a_get(ptce2_pl);
return 0;
}
#define MLXSW_SP_ACL_TCAM_CATCHALL_PRIO (~0U)
static int
@ -940,6 +958,19 @@ static void mlxsw_sp_acl_tcam_entry_del(struct mlxsw_sp *mlxsw_sp,
mlxsw_sp_acl_tcam_chunk_put(mlxsw_sp, chunk);
}
static int
mlxsw_sp_acl_tcam_entry_activity_get(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_tcam_entry *entry,
bool *activity)
{
struct mlxsw_sp_acl_tcam_chunk *chunk = entry->chunk;
struct mlxsw_sp_acl_tcam_region *region = chunk->region;
return mlxsw_sp_acl_tcam_region_entry_activity_get(mlxsw_sp, region,
entry->parman_item.index,
activity);
}
static const enum mlxsw_afk_element mlxsw_sp_acl_tcam_pattern_ipv4[] = {
MLXSW_AFK_ELEMENT_SRC_SYS_PORT,
MLXSW_AFK_ELEMENT_DMAC,
@ -1048,6 +1079,16 @@ mlxsw_sp_acl_tcam_flower_rule_del(struct mlxsw_sp *mlxsw_sp, void *rule_priv)
mlxsw_sp_acl_tcam_entry_del(mlxsw_sp, &rule->entry);
}
static int
mlxsw_sp_acl_tcam_flower_rule_activity_get(struct mlxsw_sp *mlxsw_sp,
void *rule_priv, bool *activity)
{
struct mlxsw_sp_acl_tcam_flower_rule *rule = rule_priv;
return mlxsw_sp_acl_tcam_entry_activity_get(mlxsw_sp, &rule->entry,
activity);
}
static const struct mlxsw_sp_acl_profile_ops mlxsw_sp_acl_tcam_flower_ops = {
.ruleset_priv_size = sizeof(struct mlxsw_sp_acl_tcam_flower_ruleset),
.ruleset_add = mlxsw_sp_acl_tcam_flower_ruleset_add,
@ -1057,6 +1098,7 @@ static const struct mlxsw_sp_acl_profile_ops mlxsw_sp_acl_tcam_flower_ops = {
.rule_priv_size = sizeof(struct mlxsw_sp_acl_tcam_flower_rule),
.rule_add = mlxsw_sp_acl_tcam_flower_rule_add,
.rule_del = mlxsw_sp_acl_tcam_flower_rule_del,
.rule_activity_get = mlxsw_sp_acl_tcam_flower_rule_activity_get,
};
static const struct mlxsw_sp_acl_profile_ops *