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author | Arkadi Sharshevsky <arkadis@mellanox.com> | 2017-03-11 09:42:58 +0100 |
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committer | David S. Miller <davem@davemloft.net> | 2017-03-12 23:50:14 -0700 |
commit | 4817072950ad38229991ab0019fa28fece39285b (patch) | |
tree | 1a6f276bd5d7bf612af0bdf3d55801bde2a9f62b /drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c | |
parent | 938ab60860e81f123460b56b8463d6b5d6c51ac7 (diff) | |
download | linux-stable-4817072950ad38229991ab0019fa28fece39285b.tar.gz linux-stable-4817072950ad38229991ab0019fa28fece39285b.tar.bz2 linux-stable-4817072950ad38229991ab0019fa28fece39285b.zip |
mlxsw: spectrum: Add support for counters on TCAM entries
Add support for packets and byte statistics on TCAM entries. The counters
are allocated from the generic flow counters pool.
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/ethernet/mellanox/mlxsw/spectrum_acl.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c index d2f6cbb6a0c6..87d011171da9 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c @@ -247,6 +247,27 @@ void mlxsw_sp_acl_ruleset_put(struct mlxsw_sp *mlxsw_sp, mlxsw_sp_acl_ruleset_ref_dec(mlxsw_sp, ruleset); } +static int +mlxsw_sp_acl_rulei_counter_alloc(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_acl_rule_info *rulei) +{ + int err; + + err = mlxsw_sp_flow_counter_alloc(mlxsw_sp, &rulei->counter_index); + if (err) + return err; + rulei->counter_valid = true; + return 0; +} + +static void +mlxsw_sp_acl_rulei_counter_free(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_acl_rule_info *rulei) +{ + rulei->counter_valid = false; + mlxsw_sp_flow_counter_free(mlxsw_sp, rulei->counter_index); +} + struct mlxsw_sp_acl_rule_info * mlxsw_sp_acl_rulei_create(struct mlxsw_sp_acl *acl) { @@ -373,6 +394,13 @@ int mlxsw_sp_acl_rulei_act_vlan(struct mlxsw_sp *mlxsw_sp, } } +int mlxsw_sp_acl_rulei_act_count(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_acl_rule_info *rulei) +{ + return mlxsw_afa_block_append_counter(rulei->act_block, + rulei->counter_index); +} + struct mlxsw_sp_acl_rule * mlxsw_sp_acl_rule_create(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_acl_ruleset *ruleset, @@ -396,8 +424,14 @@ mlxsw_sp_acl_rule_create(struct mlxsw_sp *mlxsw_sp, err = PTR_ERR(rule->rulei); goto err_rulei_create; } + + err = mlxsw_sp_acl_rulei_counter_alloc(mlxsw_sp, rule->rulei); + if (err) + goto err_counter_alloc; return rule; +err_counter_alloc: + mlxsw_sp_acl_rulei_destroy(rule->rulei); err_rulei_create: kfree(rule); err_alloc: @@ -410,6 +444,7 @@ void mlxsw_sp_acl_rule_destroy(struct mlxsw_sp *mlxsw_sp, { struct mlxsw_sp_acl_ruleset *ruleset = rule->ruleset; + mlxsw_sp_acl_rulei_counter_free(mlxsw_sp, rule->rulei); mlxsw_sp_acl_rulei_destroy(rule->rulei); kfree(rule); mlxsw_sp_acl_ruleset_ref_dec(mlxsw_sp, ruleset); |