netdev - [net-next v2 04/16] net/mlx5e: Extend tx diagnose function

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Date:   Tue, 20 Aug 2019 20:24:18 +0000
From:   Saeed Mahameed <saeedm@...lanox.com>
To:     "David S. Miller" <davem@...emloft.net>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Aya Levin <ayal@...lanox.com>,
        Tariq Toukan <tariqt@...lanox.com>,
        Jiri Pirko <jiri@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>
Subject: [net-next v2 04/16] net/mlx5e: Extend tx diagnose function

From: Aya Levin <ayal@...lanox.com>

The following patches in the set enhance the diagnostics info of tx
reporter. Therefore, it is better to pass a pointer to the SQ for
further data extraction.

Signed-off-by: Aya Levin <ayal@...lanox.com>
Reviewed-by: Tariq Toukan <tariqt@...lanox.com>
Acked-by: Jiri Pirko <jiri@...lanox.com>
Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
---
 .../mellanox/mlx5/core/en/reporter_tx.c       | 20 +++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c
index 6f9f42ab3005..b9429ff8d9c4 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c
@@ -146,15 +146,22 @@ static int mlx5e_tx_reporter_recover(struct devlink_health_reporter *reporter,
 
 static int
 mlx5e_tx_reporter_build_diagnose_output(struct devlink_fmsg *fmsg,
-					u32 sqn, u8 state, bool stopped)
+					struct mlx5e_txqsq *sq)
 {
+	struct mlx5e_priv *priv = sq->channel->priv;
+	bool stopped = netif_xmit_stopped(sq->txq);
+	u8 state;
 	int err;
 
+	err = mlx5_core_query_sq_state(priv->mdev, sq->sqn, &state);
+	if (err)
+		return err;
+
 	err = devlink_fmsg_obj_nest_start(fmsg);
 	if (err)
 		return err;
 
-	err = devlink_fmsg_u32_pair_put(fmsg, "sqn", sqn);
+	err = devlink_fmsg_u32_pair_put(fmsg, "sqn", sq->sqn);
 	if (err)
 		return err;
 
@@ -191,15 +198,8 @@ static int mlx5e_tx_reporter_diagnose(struct devlink_health_reporter *reporter,
 	for (i = 0; i < priv->channels.num * priv->channels.params.num_tc;
 	     i++) {
 		struct mlx5e_txqsq *sq = priv->txq2sq[i];
-		u8 state;
-
-		err = mlx5_core_query_sq_state(priv->mdev, sq->sqn, &state);
-		if (err)
-			goto unlock;
 
-		err = mlx5e_tx_reporter_build_diagnose_output(fmsg, sq->sqn,
-							      state,
-							      netif_xmit_stopped(sq->txq));
+		err = mlx5e_tx_reporter_build_diagnose_output(fmsg, sq);
 		if (err)
 			goto unlock;
 	}
-- 
2.21.0