From fe6f700d6cbb7e8a61711e325f53d9c9e0a42a4c Mon Sep 17 00:00:00 2001 From: Yevgeny Petrilin Date: Sun, 28 Jul 2013 18:54:21 +0300 Subject: net/mlx4_core: Respond to operation request by firmware This commit adds new firmware command and new firmware event. The firmware raises the MLX4_EVENT_TYPE_OP_REQUIRED event in order to signal the driver it needs to perform an administrative operation throughout the MLX4_CMD_GET_OP_REQ command. At the moment the supported operation is adding/removing multicast entries which are used by the firmware for handling NCSI traffic in B0 steering mode. Also, had to swap the order of mlx4_init_mcg_table() and mlx4_init_eq_table() to make sure that driver will get events only after resources are initialized to handle it. Signed-off-by: Yevgeny Petrilin Signed-off-by: Jack Morgenstein Signed-off-by: Eugenia Emantayev Signed-off-by: Amir Vadai Signed-off-by: David S. Miller --- drivers/net/ethernet/mellanox/mlx4/main.c | 35 +++++++++++++++++-------------- 1 file changed, 19 insertions(+), 16 deletions(-) (limited to 'drivers/net/ethernet/mellanox/mlx4/main.c') diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index e85af922dcdc..f1d818f9bb01 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -1692,11 +1692,19 @@ static int mlx4_setup_hca(struct mlx4_dev *dev) goto err_xrcd_table_free; } + if (!mlx4_is_slave(dev)) { + err = mlx4_init_mcg_table(dev); + if (err) { + mlx4_err(dev, "Failed to initialize multicast group table, aborting.\n"); + goto err_mr_table_free; + } + } + err = mlx4_init_eq_table(dev); if (err) { mlx4_err(dev, "Failed to initialize " "event queue table, aborting.\n"); - goto err_mr_table_free; + goto err_mcg_table_free; } err = mlx4_cmd_use_events(dev); @@ -1746,19 +1754,10 @@ static int mlx4_setup_hca(struct mlx4_dev *dev) goto err_srq_table_free; } - if (!mlx4_is_slave(dev)) { - err = mlx4_init_mcg_table(dev); - if (err) { - mlx4_err(dev, "Failed to initialize " - "multicast group table, aborting.\n"); - goto err_qp_table_free; - } - } - err = mlx4_init_counters_table(dev); if (err && err != -ENOENT) { mlx4_err(dev, "Failed to initialize counters table, aborting.\n"); - goto err_mcg_table_free; + goto err_qp_table_free; } if (!mlx4_is_slave(dev)) { @@ -1803,9 +1802,6 @@ static int mlx4_setup_hca(struct mlx4_dev *dev) err_counters_table_free: mlx4_cleanup_counters_table(dev); -err_mcg_table_free: - mlx4_cleanup_mcg_table(dev); - err_qp_table_free: mlx4_cleanup_qp_table(dev); @@ -1821,6 +1817,10 @@ err_cmd_poll: err_eq_table_free: mlx4_cleanup_eq_table(dev); +err_mcg_table_free: + if (!mlx4_is_slave(dev)) + mlx4_cleanup_mcg_table(dev); + err_mr_table_free: mlx4_cleanup_mr_table(dev); @@ -2197,6 +2197,9 @@ static int __mlx4_init_one(struct pci_dev *pdev, int pci_dev_data) } } + atomic_set(&priv->opreq_count, 0); + INIT_WORK(&priv->opreq_task, mlx4_opreq_action); + /* * Now reset the HCA before we touch the PCI capabilities or * attempt a firmware command, since a boot ROM may have left @@ -2315,12 +2318,12 @@ err_port: mlx4_cleanup_port_info(&priv->port[port]); mlx4_cleanup_counters_table(dev); - mlx4_cleanup_mcg_table(dev); mlx4_cleanup_qp_table(dev); mlx4_cleanup_srq_table(dev); mlx4_cleanup_cq_table(dev); mlx4_cmd_use_polling(dev); mlx4_cleanup_eq_table(dev); + mlx4_cleanup_mcg_table(dev); mlx4_cleanup_mr_table(dev); mlx4_cleanup_xrcd_table(dev); mlx4_cleanup_pd_table(dev); @@ -2403,12 +2406,12 @@ static void mlx4_remove_one(struct pci_dev *pdev) RES_TR_FREE_SLAVES_ONLY); mlx4_cleanup_counters_table(dev); - mlx4_cleanup_mcg_table(dev); mlx4_cleanup_qp_table(dev); mlx4_cleanup_srq_table(dev); mlx4_cleanup_cq_table(dev); mlx4_cmd_use_polling(dev); mlx4_cleanup_eq_table(dev); + mlx4_cleanup_mcg_table(dev); mlx4_cleanup_mr_table(dev); mlx4_cleanup_xrcd_table(dev); mlx4_cleanup_pd_table(dev); -- cgit v1.2.3-55-g7522