netdev - [net-next 02/12] net/mlx5e: Add a flush timeout define

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20200703040832.670860-3-saeedm@mellanox.com>
Date:   Thu,  2 Jul 2020 21:08:22 -0700
From:   Saeed Mahameed <saeedm@...lanox.com>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     netdev@...r.kernel.org, Aya Levin <ayal@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>
Subject: [net-next 02/12] net/mlx5e: Add a flush timeout define

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

During queue's recovery, driver waits for flush. The flush timeout is
set to 2 seconds. Add a define for this value for the benefit of RX and
TX reporters.

Signed-off-by: Aya Levin <ayal@...lanox.com>
Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en/health.h      | 1 +
 drivers/net/ethernet/mellanox/mlx5/core/en/reporter_rx.c | 3 ++-
 drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c | 3 ++-
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/health.h b/drivers/net/ethernet/mellanox/mlx5/core/en/health.h
index 895d03d56c9d..2938553a7606 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/health.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/health.h
@@ -33,6 +33,7 @@ void mlx5e_reporter_rq_cqe_err(struct mlx5e_rq *rq);
 void mlx5e_reporter_rx_timeout(struct mlx5e_rq *rq);
 
 #define MLX5E_REPORTER_PER_Q_MAX_LEN 256
+#define MLX5E_REPORTER_FLUSH_TIMEOUT_MSEC 2000
 
 struct mlx5e_err_ctx {
 	int (*recover)(void *ctx);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_rx.c
index 5161a1954577..495a3e6bf82b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_rx.c
@@ -29,7 +29,8 @@ static int mlx5e_query_rq_state(struct mlx5_core_dev *dev, u32 rqn, u8 *state)
 
 static int mlx5e_wait_for_icosq_flush(struct mlx5e_icosq *icosq)
 {
-	unsigned long exp_time = jiffies + msecs_to_jiffies(2000);
+	unsigned long exp_time = jiffies +
+				 msecs_to_jiffies(MLX5E_REPORTER_FLUSH_TIMEOUT_MSEC);
 
 	while (time_before(jiffies, exp_time)) {
 		if (icosq->cc == icosq->pc)
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 b95dc15f23b9..6eb2971231d8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c
@@ -5,7 +5,8 @@
 
 static int mlx5e_wait_for_sq_flush(struct mlx5e_txqsq *sq)
 {
-	unsigned long exp_time = jiffies + msecs_to_jiffies(2000);
+	unsigned long exp_time = jiffies +
+				 msecs_to_jiffies(MLX5E_REPORTER_FLUSH_TIMEOUT_MSEC);
 
 	while (time_before(jiffies, exp_time)) {
 		if (sq->cc == sq->pc)
-- 
2.26.2