From 9e23d536a5da4f2cb5f20c7e6479943df6c43899 Mon Sep 17 00:00:00 2001 From: hselasky Date: Fri, 23 Sep 2016 08:32:18 +0000 Subject: MFC r305872: mlx5en: Properly declare doorbell lock for 32-bit CPUs. Sponsored by: Mellanox Technologies --- sys/dev/mlx5/mlx5_en/en.h | 4 +++- sys/dev/mlx5/mlx5_en/mlx5_en_main.c | 1 + 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/sys/dev/mlx5/mlx5_en/en.h b/sys/dev/mlx5/mlx5_en/en.h index 25f4ebe..1c94914 100644 --- a/sys/dev/mlx5/mlx5_en/en.h +++ b/sys/dev/mlx5/mlx5_en/en.h @@ -672,6 +672,7 @@ struct mlx5e_priv { struct work_struct update_stats_work; struct work_struct update_carrier_work; struct work_struct set_rx_mode_work; + MLX5_DECLARE_DOORBELL_LOCK(doorbell_lock) struct mlx5_core_dev *mdev; struct ifnet *ifp; @@ -794,7 +795,8 @@ mlx5e_tx_notify_hw(struct mlx5e_sq *sq, u32 *wqe, int bf_sz) wmb(); } else { - mlx5_write64(wqe, sq->uar.map + ofst, NULL); + mlx5_write64(wqe, sq->uar.map + ofst, + MLX5_GET_DOORBELL_LOCK(&sq->priv->doorbell_lock)); } sq->bf_offset ^= sq->bf_buf_size; diff --git a/sys/dev/mlx5/mlx5_en/mlx5_en_main.c b/sys/dev/mlx5/mlx5_en/mlx5_en_main.c index 8ee08cf..e99491f 100644 --- a/sys/dev/mlx5/mlx5_en/mlx5_en_main.c +++ b/sys/dev/mlx5/mlx5_en/mlx5_en_main.c @@ -2759,6 +2759,7 @@ mlx5e_priv_mtx_init(struct mlx5e_priv *priv) mtx_init(&priv->async_events_mtx, "mlx5async", MTX_NETWORK_LOCK, MTX_DEF); sx_init(&priv->state_lock, "mlx5state"); callout_init_mtx(&priv->watchdog, &priv->async_events_mtx, 0); + MLX5_INIT_DOORBELL_LOCK(&priv->doorbell_lock); } static void -- cgit v1.1