From: Saeed Mahameed <saeed@kernel.org>
To: "David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org, Yevgeny Kliteynik <kliteyn@nvidia.com>,
Erez Shitrit <erezsh@nvidia.com>, Alex Vesker <valex@nvidia.com>,
Saeed Mahameed <saeedm@nvidia.com>
Subject: [net-next 05/17] net/mlx5: DR, Improve error flow in actions_build_ste_arr
Date: Thu, 26 Aug 2021 17:57:50 -0700 [thread overview]
Message-ID: <20210827005802.236119-6-saeed@kernel.org> (raw)
In-Reply-To: <20210827005802.236119-1-saeed@kernel.org>
From: Yevgeny Kliteynik <kliteyn@nvidia.com>
Improve error flow and print actions sequence when an
invalid/unsupported sequence provided.
Signed-off-by: Erez Shitrit <erezsh@nvidia.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Reviewed-by: Alex Vesker <valex@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
---
.../mellanox/mlx5/core/steering/dr_action.c | 72 ++++++++++++++-----
1 file changed, 56 insertions(+), 16 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c
index bdaeb1b54640..e311faa78f9e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c
@@ -25,6 +25,32 @@ enum dr_action_valid_state {
DR_ACTION_STATE_MAX,
};
+static const char * const action_type_to_str[] = {
+ [DR_ACTION_TYP_TNL_L2_TO_L2] = "DR_ACTION_TYP_TNL_L2_TO_L2",
+ [DR_ACTION_TYP_L2_TO_TNL_L2] = "DR_ACTION_TYP_L2_TO_TNL_L2",
+ [DR_ACTION_TYP_TNL_L3_TO_L2] = "DR_ACTION_TYP_TNL_L3_TO_L2",
+ [DR_ACTION_TYP_L2_TO_TNL_L3] = "DR_ACTION_TYP_L2_TO_TNL_L3",
+ [DR_ACTION_TYP_DROP] = "DR_ACTION_TYP_DROP",
+ [DR_ACTION_TYP_QP] = "DR_ACTION_TYP_QP",
+ [DR_ACTION_TYP_FT] = "DR_ACTION_TYP_FT",
+ [DR_ACTION_TYP_CTR] = "DR_ACTION_TYP_CTR",
+ [DR_ACTION_TYP_TAG] = "DR_ACTION_TYP_TAG",
+ [DR_ACTION_TYP_MODIFY_HDR] = "DR_ACTION_TYP_MODIFY_HDR",
+ [DR_ACTION_TYP_VPORT] = "DR_ACTION_TYP_VPORT",
+ [DR_ACTION_TYP_POP_VLAN] = "DR_ACTION_TYP_POP_VLAN",
+ [DR_ACTION_TYP_PUSH_VLAN] = "DR_ACTION_TYP_PUSH_VLAN",
+ [DR_ACTION_TYP_INSERT_HDR] = "DR_ACTION_TYP_INSERT_HDR",
+ [DR_ACTION_TYP_REMOVE_HDR] = "DR_ACTION_TYP_REMOVE_HDR",
+ [DR_ACTION_TYP_MAX] = "DR_ACTION_UNKNOWN",
+};
+
+static const char *dr_action_id_to_str(enum mlx5dr_action_type action_id)
+{
+ if (action_id > DR_ACTION_TYP_MAX)
+ action_id = DR_ACTION_TYP_MAX;
+ return action_type_to_str[action_id];
+}
+
static const enum dr_action_valid_state
next_action_state[DR_ACTION_DOMAIN_MAX][DR_ACTION_STATE_MAX][DR_ACTION_TYP_MAX] = {
[DR_ACTION_DOMAIN_NIC_INGRESS] = {
@@ -503,6 +529,18 @@ static int dr_action_handle_cs_recalc(struct mlx5dr_domain *dmn,
return 0;
}
+static void dr_action_print_sequence(struct mlx5dr_domain *dmn,
+ struct mlx5dr_action *actions[],
+ int last_idx)
+{
+ int i;
+
+ for (i = 0; i <= last_idx; i++)
+ mlx5dr_err(dmn, "< %s (%d) > ",
+ dr_action_id_to_str(actions[i]->action_type),
+ actions[i]->action_type);
+}
+
#define WITH_VLAN_NUM_HW_ACTIONS 6
int mlx5dr_actions_build_ste_arr(struct mlx5dr_matcher *matcher,
@@ -549,7 +587,7 @@ int mlx5dr_actions_build_ste_arr(struct mlx5dr_matcher *matcher,
if (dest_tbl->tbl->dmn != dmn) {
mlx5dr_err(dmn,
"Destination table belongs to a different domain\n");
- goto out_invalid_arg;
+ return -EINVAL;
}
if (dest_tbl->tbl->level <= matcher->tbl->level) {
mlx5_core_warn_once(dmn->mdev,
@@ -591,7 +629,7 @@ int mlx5dr_actions_build_ste_arr(struct mlx5dr_matcher *matcher,
break;
case DR_ACTION_TYP_QP:
mlx5dr_info(dmn, "Domain doesn't support QP\n");
- goto out_invalid_arg;
+ return -EOPNOTSUPP;
case DR_ACTION_TYP_CTR:
attr.ctr_id = action->ctr->ctr_id +
action->ctr->offeset;
@@ -618,7 +656,7 @@ int mlx5dr_actions_build_ste_arr(struct mlx5dr_matcher *matcher,
if (rx_rule &&
!(dmn->ste_ctx->actions_caps & DR_STE_CTX_ACTION_CAP_RX_ENCAP)) {
mlx5dr_info(dmn, "Device doesn't support Encap on RX\n");
- goto out_invalid_arg;
+ return -EOPNOTSUPP;
}
attr.reformat.size = action->reformat->size;
attr.reformat.id = action->reformat->id;
@@ -631,10 +669,10 @@ int mlx5dr_actions_build_ste_arr(struct mlx5dr_matcher *matcher,
attr.hit_gvmi = action->vport->caps->vhca_gvmi;
dest_action = action;
if (rx_rule) {
- /* Loopback on WIRE vport is not supported */
- if (action->vport->caps->num == WIRE_PORT)
- goto out_invalid_arg;
-
+ if (action->vport->caps->num == WIRE_PORT) {
+ mlx5dr_dbg(dmn, "Device doesn't support Loopback on WIRE vport\n");
+ return -EOPNOTSUPP;
+ }
attr.final_icm_addr = action->vport->caps->icm_address_rx;
} else {
attr.final_icm_addr = action->vport->caps->icm_address_tx;
@@ -644,7 +682,7 @@ int mlx5dr_actions_build_ste_arr(struct mlx5dr_matcher *matcher,
if (!rx_rule && !(dmn->ste_ctx->actions_caps &
DR_STE_CTX_ACTION_CAP_TX_POP)) {
mlx5dr_dbg(dmn, "Device doesn't support POP VLAN action on TX\n");
- goto out_invalid_arg;
+ return -EOPNOTSUPP;
}
max_actions_type = MLX5DR_MAX_VLANS;
@@ -654,12 +692,14 @@ int mlx5dr_actions_build_ste_arr(struct mlx5dr_matcher *matcher,
if (rx_rule && !(dmn->ste_ctx->actions_caps &
DR_STE_CTX_ACTION_CAP_RX_PUSH)) {
mlx5dr_dbg(dmn, "Device doesn't support PUSH VLAN action on RX\n");
- goto out_invalid_arg;
+ return -EOPNOTSUPP;
}
max_actions_type = MLX5DR_MAX_VLANS;
- if (attr.vlans.count == MLX5DR_MAX_VLANS)
+ if (attr.vlans.count == MLX5DR_MAX_VLANS) {
+ mlx5dr_dbg(dmn, "Max VLAN push/pop count exceeded\n");
return -EINVAL;
+ }
attr.vlans.headers[attr.vlans.count++] = action->push_vlan->vlan_hdr;
break;
@@ -671,21 +711,24 @@ int mlx5dr_actions_build_ste_arr(struct mlx5dr_matcher *matcher,
attr.reformat.param_1 = action->reformat->param_1;
break;
default:
- goto out_invalid_arg;
+ mlx5dr_err(dmn, "Unsupported action type %d\n", action_type);
+ return -EINVAL;
}
/* Check action duplication */
if (++action_type_set[action_type] > max_actions_type) {
mlx5dr_err(dmn, "Action type %d supports only max %d time(s)\n",
action_type, max_actions_type);
- goto out_invalid_arg;
+ return -EINVAL;
}
/* Check action state machine is valid */
if (dr_action_validate_and_get_next_state(action_domain,
action_type,
&state)) {
- mlx5dr_err(dmn, "Invalid action sequence provided\n");
+ mlx5dr_err(dmn, "Invalid action (gvmi: %d, is_rx: %d) sequence provided:",
+ attr.gvmi, rx_rule);
+ dr_action_print_sequence(dmn, actions, i);
return -EOPNOTSUPP;
}
}
@@ -716,9 +759,6 @@ int mlx5dr_actions_build_ste_arr(struct mlx5dr_matcher *matcher,
new_hw_ste_arr_sz);
return 0;
-
-out_invalid_arg:
- return -EINVAL;
}
static unsigned int action_size[DR_ACTION_TYP_MAX] = {
--
2.31.1
next prev parent reply other threads:[~2021-08-27 0:59 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-27 0:57 [pull request][net-next 00/17] mlx5 updates 2021-08-26 Saeed Mahameed
2021-08-27 0:57 ` [net-next 01/17] net/mlx5: DR, Added support for REMOVE_HEADER packet reformat Saeed Mahameed
2021-08-27 9:10 ` patchwork-bot+netdevbpf
2021-08-27 0:57 ` [net-next 02/17] net/mlx5: DR, Split modify VLAN state to separate pop/push states Saeed Mahameed
2021-08-27 0:57 ` [net-next 03/17] net/mlx5: DR, Enable VLAN pop on TX and VLAN push on RX Saeed Mahameed
2021-08-27 0:57 ` [net-next 04/17] net/mlx5: DR, Enable QP retransmission Saeed Mahameed
2021-08-27 0:57 ` Saeed Mahameed [this message]
2021-08-27 0:57 ` [net-next 06/17] net/mlx5: DR, Warn and ignore SW steering rule insertion on QP err Saeed Mahameed
2021-08-27 0:57 ` [net-next 07/17] net/mlx5: DR, Reduce print level for FT chaining level check Saeed Mahameed
2021-08-27 0:57 ` [net-next 08/17] net/mlx5: DR, Support IPv6 matching on flow label for STEv0 Saeed Mahameed
2021-08-27 0:57 ` [net-next 09/17] net/mlx5: DR, replace uintN_t with kernel-style types Saeed Mahameed
2021-08-27 0:57 ` [net-next 10/17] net/mlx5: DR, Use FW API when updating FW-owned flow table Saeed Mahameed
2021-08-27 0:57 ` [net-next 11/17] net/mlx5: DR, Add ignore_flow_level support for multi-dest flow tables Saeed Mahameed
2021-08-27 0:57 ` [net-next 12/17] net/mlx5: DR, Skip source port matching on FDB RX domain Saeed Mahameed
2021-08-27 0:57 ` [net-next 13/17] net/mlx5: DR, Merge DR_STE_SIZE enums Saeed Mahameed
2021-08-27 0:57 ` [net-next 14/17] net/mlx5: DR, Remove HW specific STE type from nic domain Saeed Mahameed
2021-08-27 0:58 ` [net-next 15/17] net/mlx5: DR, Remove rehash ctrl struct from dr_htbl Saeed Mahameed
2021-08-27 0:58 ` [net-next 16/17] net/mlx5: DR, Improve rule tracking memory consumption Saeed Mahameed
2021-08-27 0:58 ` [net-next 17/17] net/mlx5: DR, Add support for update FTE Saeed Mahameed
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