diff mbox series

[net-next,08/14] net/mlx5e: Enable napi in channel's activation stage

Message ID 20210202065457.613312-9-saeed@kernel.org (mailing list archive)
State Accepted
Commit 7637e499e219ae89e5c42d947b96603ef3ab5a44
Delegated to: Netdev Maintainers
Headers show
Series [net-next,01/14] net/mlx5e: Separate between netdev objects and mlx5e profiles initialization | expand

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Context Check Description
netdev/cover_letter success Pull request
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netdev/tree_selection success Clearly marked for net-next
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netdev/cc_maintainers warning 3 maintainers not CCed: linux-rdma@vger.kernel.org leon@kernel.org eranbe@nvidia.com
netdev/source_inline success Was 0 now: 0
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netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/kdoc success Errors and warnings before: 0 this patch: 0
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netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 88 lines checked
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/header_inline success Link
netdev/stable success Stable not CCed

Commit Message

Saeed Mahameed Feb. 2, 2021, 6:54 a.m. UTC 
From: Tariq Toukan <tariqt@mellanox.com>

The channel's napi is first needed upon activation, not creation.
Minimize its enabled scope by moving it from the channel's open/close
stage into the activate/deactivate stage.

Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Reviewed-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c  | 12 ++++++------
 drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 14 ++++++--------
 2 files changed, 12 insertions(+), 14 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c
index eeddd1137dda..a76cfefec708 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c
@@ -428,16 +428,13 @@  static int mlx5e_ptp_open_queues(struct mlx5e_port_ptp *c,
 	if (err)
 		return err;
 
-	napi_enable(&c->napi);
-
 	err = mlx5e_ptp_open_txqsqs(c, cparams);
 	if (err)
-		goto disable_napi;
+		goto close_cqs;
 
 	return 0;
 
-disable_napi:
-	napi_disable(&c->napi);
+close_cqs:
 	mlx5e_ptp_close_cqs(c);
 
 	return err;
@@ -446,7 +443,6 @@  static int mlx5e_ptp_open_queues(struct mlx5e_port_ptp *c,
 static void mlx5e_ptp_close_queues(struct mlx5e_port_ptp *c)
 {
 	mlx5e_ptp_close_txqsqs(c);
-	napi_disable(&c->napi);
 	mlx5e_ptp_close_cqs(c);
 }
 
@@ -515,6 +511,8 @@  void mlx5e_ptp_activate_channel(struct mlx5e_port_ptp *c)
 {
 	int tc;
 
+	napi_enable(&c->napi);
+
 	for (tc = 0; tc < c->num_tc; tc++)
 		mlx5e_activate_txqsq(&c->ptpsq[tc].txqsq);
 }
@@ -525,4 +523,6 @@  void mlx5e_ptp_deactivate_channel(struct mlx5e_port_ptp *c)
 
 	for (tc = 0; tc < c->num_tc; tc++)
 		mlx5e_deactivate_txqsq(&c->ptpsq[tc].txqsq);
+
+	napi_disable(&c->napi);
 }
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index b9d2cb6f178d..41c611197211 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -1892,13 +1892,11 @@  static int mlx5e_open_queues(struct mlx5e_channel *c,
 	if (err)
 		goto err_close_rx_cq;
 
-	napi_enable(&c->napi);
-
 	spin_lock_init(&c->async_icosq_lock);
 
 	err = mlx5e_open_icosq(c, params, &cparam->async_icosq, &c->async_icosq);
 	if (err)
-		goto err_disable_napi;
+		goto err_close_xdpsq_cq;
 
 	err = mlx5e_open_icosq(c, params, &cparam->icosq, &c->icosq);
 	if (err)
@@ -1941,9 +1939,7 @@  static int mlx5e_open_queues(struct mlx5e_channel *c,
 err_close_async_icosq:
 	mlx5e_close_icosq(&c->async_icosq);
 
-err_disable_napi:
-	napi_disable(&c->napi);
-
+err_close_xdpsq_cq:
 	if (c->xdp)
 		mlx5e_close_cq(&c->rq_xdpsq.cq);
 
@@ -1974,7 +1970,6 @@  static void mlx5e_close_queues(struct mlx5e_channel *c)
 	mlx5e_close_sqs(c);
 	mlx5e_close_icosq(&c->icosq);
 	mlx5e_close_icosq(&c->async_icosq);
-	napi_disable(&c->napi);
 	if (c->xdp)
 		mlx5e_close_cq(&c->rq_xdpsq.cq);
 	mlx5e_close_cq(&c->rq.cq);
@@ -2059,6 +2054,8 @@  static void mlx5e_activate_channel(struct mlx5e_channel *c)
 {
 	int tc;
 
+	napi_enable(&c->napi);
+
 	for (tc = 0; tc < c->num_tc; tc++)
 		mlx5e_activate_txqsq(&c->sq[tc]);
 	mlx5e_activate_icosq(&c->icosq);
@@ -2081,8 +2078,9 @@  static void mlx5e_deactivate_channel(struct mlx5e_channel *c)
 	mlx5e_deactivate_icosq(&c->icosq);
 	for (tc = 0; tc < c->num_tc; tc++)
 		mlx5e_deactivate_txqsq(&c->sq[tc]);
-
 	mlx5e_qos_deactivate_queues(c);
+
+	napi_disable(&c->napi);
 }
 
 static void mlx5e_close_channel(struct mlx5e_channel *c)