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authorArkadi Sharshevsky <arkadis@mellanox.com>2017-03-11 09:42:54 +0100
committerDavid S. Miller <davem@davemloft.net>2017-03-12 23:50:14 -0700
commit7fd056c2ef50088b891f2044af52bbb28699f4e6 (patch)
treef46e8ea8a7f6f0e3760f359599671dd478752d16 /drivers/net
parent1abcbcc292ee6c66e659b2a7a5e84e5d151e9334 (diff)
downloadlinux-7fd056c2ef50088b891f2044af52bbb28699f4e6.tar.bz2
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>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum.h2
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c42
2 files changed, 44 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
index b0500b878fb4..26718b167352 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
@@ -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 {
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
index 6858439a1319..3a24289979d9 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
@@ -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 *