netdev - [net-next 14/15] net/mlx5: DR, Add support for the pattern/arg parameters in debug dump

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Message-Id: <20230414220939.136865-15-saeed@kernel.org>
Date:   Fri, 14 Apr 2023 15:09:38 -0700
From:   Saeed Mahameed <saeed@...nel.org>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Eric Dumazet <edumazet@...gle.com>
Cc:     Saeed Mahameed <saeedm@...dia.com>, netdev@...r.kernel.org,
        Tariq Toukan <tariqt@...dia.com>,
        Yevgeny Kliteynik <kliteyn@...dia.com>,
        Alex Vesker <valex@...dia.com>
Subject: [net-next 14/15] net/mlx5: DR, Add support for the pattern/arg parameters in debug dump

From: Yevgeny Kliteynik <kliteyn@...dia.com>

Support the pattern/args-based MODIFY_HDR and TNL_L3_TO_L2 actions in dbg dump

Signed-off-by: Yevgeny Kliteynik <kliteyn@...dia.com>
Reviewed-by: Alex Vesker <valex@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
 .../mellanox/mlx5/core/steering/dr_dbg.c      | 30 +++++++++++++++++--
 1 file changed, 27 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_dbg.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_dbg.c
index db81d881d38e..1ff8bde90e1e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_dbg.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_dbg.c
@@ -140,10 +140,31 @@ dr_dump_rule_action_mem(struct seq_file *file, const u64 rule_id,
 			   action->flow_tag->flow_tag);
 		break;
 	case DR_ACTION_TYP_MODIFY_HDR:
-		seq_printf(file, "%d,0x%llx,0x%llx,0x%x\n",
+	{
+		struct mlx5dr_ptrn_obj *ptrn = action->rewrite->ptrn;
+		struct mlx5dr_arg_obj *arg = action->rewrite->arg;
+		u8 *rewrite_data = action->rewrite->data;
+		bool ptrn_arg;
+		int i;
+
+		ptrn_arg = !action->rewrite->single_action_opt && ptrn && arg;
+
+		seq_printf(file, "%d,0x%llx,0x%llx,0x%x,%d,0x%x,0x%x,0x%x",
 			   DR_DUMP_REC_TYPE_ACTION_MODIFY_HDR, action_id,
-			   rule_id, action->rewrite->index);
+			   rule_id, action->rewrite->index,
+			   action->rewrite->single_action_opt,
+			   action->rewrite->num_of_actions,
+			   ptrn_arg ? ptrn->index : 0,
+			   ptrn_arg ? mlx5dr_arg_get_obj_id(arg) : 0);
+
+		for (i = 0; i < action->rewrite->num_of_actions; i++) {
+			seq_printf(file, ",0x%016llx",
+				   be64_to_cpu(((__be64 *)rewrite_data)[i]));
+		}
+
+		seq_puts(file, "\n");
 		break;
+	}
 	case DR_ACTION_TYP_VPORT:
 		seq_printf(file, "%d,0x%llx,0x%llx,0x%x\n",
 			   DR_DUMP_REC_TYPE_ACTION_VPORT, action_id, rule_id,
@@ -157,7 +178,10 @@ dr_dump_rule_action_mem(struct seq_file *file, const u64 rule_id,
 	case DR_ACTION_TYP_TNL_L3_TO_L2:
 		seq_printf(file, "%d,0x%llx,0x%llx,0x%x\n",
 			   DR_DUMP_REC_TYPE_ACTION_DECAP_L3, action_id,
-			   rule_id, action->rewrite->index);
+			   rule_id,
+			   (action->rewrite->ptrn && action->rewrite->arg) ?
+			   mlx5dr_arg_get_obj_id(action->rewrite->arg) :
+			   action->rewrite->index);
 		break;
 	case DR_ACTION_TYP_L2_TO_TNL_L2:
 		seq_printf(file, "%d,0x%llx,0x%llx,0x%x\n",
-- 
2.39.2