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author | Arkadi Sharshevsky <arkadis@mellanox.com> | 2017-03-11 09:42:59 +0100 |
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committer | David S. Miller <davem@davemloft.net> | 2017-03-12 23:50:15 -0700 |
commit | 7c1b8eb175b69add8eac105409d2a59723574675 (patch) | |
tree | f9a84c3fa8b4d56c79d6e149fd3534702bf5ba16 /drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c | |
parent | 4817072950ad38229991ab0019fa28fece39285b (diff) | |
download | linux-stable-7c1b8eb175b69add8eac105409d2a59723574675.tar.gz linux-stable-7c1b8eb175b69add8eac105409d2a59723574675.tar.bz2 linux-stable-7c1b8eb175b69add8eac105409d2a59723574675.zip |
mlxsw: spectrum: Add support for TC flower offload statistics
Add support for TC flower offload statistics including number of packets,
bytes and last use timestamp. Currently the statistics are gathered on a
per-rule basis.
Signed-off-by: Arkadi Sharshvesky <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_flower.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c index f2ed0b3d5718..28bc989371c6 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c @@ -56,6 +56,11 @@ static int mlxsw_sp_flower_parse_actions(struct mlxsw_sp *mlxsw_sp, if (tc_no_actions(exts)) return 0; + /* Count action is inserted first */ + err = mlxsw_sp_acl_rulei_act_count(mlxsw_sp, rulei); + if (err) + return err; + tcf_exts_to_list(exts, &actions); list_for_each_entry(a, &actions, list) { if (is_tcf_gact_shot(a)) { @@ -346,3 +351,47 @@ void mlxsw_sp_flower_destroy(struct mlxsw_sp_port *mlxsw_sp_port, bool ingress, mlxsw_sp_acl_ruleset_put(mlxsw_sp, ruleset); } + +int mlxsw_sp_flower_stats(struct mlxsw_sp_port *mlxsw_sp_port, bool ingress, + struct tc_cls_flower_offload *f) +{ + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + struct mlxsw_sp_acl_ruleset *ruleset; + struct mlxsw_sp_acl_rule *rule; + struct tc_action *a; + LIST_HEAD(actions); + u64 packets; + u64 lastuse; + u64 bytes; + int err; + + ruleset = mlxsw_sp_acl_ruleset_get(mlxsw_sp, mlxsw_sp_port->dev, + ingress, + MLXSW_SP_ACL_PROFILE_FLOWER); + if (WARN_ON(IS_ERR(ruleset))) + return -EINVAL; + + rule = mlxsw_sp_acl_rule_lookup(mlxsw_sp, ruleset, f->cookie); + if (!rule) + return -EINVAL; + + err = mlxsw_sp_acl_rule_get_stats(mlxsw_sp, rule, &bytes, &packets, + &lastuse); + if (err) + goto err_rule_get_stats; + + preempt_disable(); + + tcf_exts_to_list(f->exts, &actions); + list_for_each_entry(a, &actions, list) + tcf_action_stats_update(a, bytes, packets, lastuse); + + preempt_enable(); + + mlxsw_sp_acl_ruleset_put(mlxsw_sp, ruleset); + return 0; + +err_rule_get_stats: + mlxsw_sp_acl_ruleset_put(mlxsw_sp, ruleset); + return err; +} |