From 8324a02c342a36336114a497130826612ed5520d Mon Sep 17 00:00:00 2001 From: Gavin Li Date: Sun, 27 Mar 2022 17:45:32 +0300 Subject: net/mlx5: Add exit route when waiting for FW Currently, removing a device needs to get the driver interface lock before doing any cleanup. If the driver is waiting in a loop for FW init, there is no way to cancel the wait, instead the device cleanup waits for the loop to conclude and release the lock. To allow immediate response to remove device commands, check the TEARDOWN flag while waiting for FW init, and exit the loop if it has been set. Signed-off-by: Gavin Li Reviewed-by: Moshe Shemesh Signed-off-by: Saeed Mahameed --- include/linux/mlx5/driver.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/linux') diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index ff47d49d8be4..f327d0544038 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -632,6 +632,7 @@ enum mlx5_device_state { enum mlx5_interface_state { MLX5_INTERFACE_STATE_UP = BIT(0), + MLX5_BREAK_FW_WAIT = BIT(1), }; enum mlx5_pci_status { -- cgit v1.2.3 From 34a30d7635a8e37275a7b63bec09035ed762969b Mon Sep 17 00:00:00 2001 From: Mark Bloch Date: Tue, 1 Mar 2022 15:42:01 +0000 Subject: net/mlx5: Lag, expose number of lag ports Downstream patches will add support for hardware lag with more than 2 ports. Add a way for users to query the number of lag ports. Signed-off-by: Mark Bloch Reviewed-by: Maor Gottlieb Signed-off-by: Saeed Mahameed --- include/linux/mlx5/driver.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/linux') diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index f327d0544038..62ea1120de9c 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -1142,6 +1142,7 @@ int mlx5_lag_query_cong_counters(struct mlx5_core_dev *dev, int num_counters, size_t *offsets); struct mlx5_core_dev *mlx5_lag_get_peer_mdev(struct mlx5_core_dev *dev); +u8 mlx5_lag_get_num_ports(struct mlx5_core_dev *dev); struct mlx5_uars_page *mlx5_get_uars_page(struct mlx5_core_dev *mdev); void mlx5_put_uars_page(struct mlx5_core_dev *mdev, struct mlx5_uars_page *up); int mlx5_dm_sw_icm_alloc(struct mlx5_core_dev *dev, enum mlx5_sw_icm_type type, -- cgit v1.2.3 From 4cd14d44b11dabf195d1e66dadbb954336224658 Mon Sep 17 00:00:00 2001 From: Mark Bloch Date: Tue, 1 Mar 2022 17:34:58 +0000 Subject: net/mlx5: Support devices with more than 2 ports Increase the define MLX5_MAX_PORTS to 4 as the driver is ready to support NICs with 4 ports. Signed-off-by: Mark Bloch Reviewed-by: Maor Gottlieb Signed-off-by: Saeed Mahameed --- include/linux/mlx5/driver.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'include/linux') diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 62ea1120de9c..fdb9d07a05a4 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -84,7 +84,7 @@ enum mlx5_sqp_t { }; enum { - MLX5_MAX_PORTS = 2, + MLX5_MAX_PORTS = 4, }; enum { -- cgit v1.2.3 From 7f46a0b7327ae261f9981888708dbca22c283900 Mon Sep 17 00:00:00 2001 From: Mark Bloch Date: Tue, 15 Mar 2022 16:56:50 +0000 Subject: net/mlx5: Lag, add debugfs to query hardware lag state Lag state has become very complicated with many modes, flags, types and port selections methods and future work will add additional features. Add a debugfs to query the current lag state. A new directory named "lag" will be created under the mlx5 debugfs directory. As the driver has debugfs per pci function the location will be: /mlx5//lag For example: /sys/kernel/debug/mlx5/0000:08:00.0/lag The following files are exposed: - state: Returns "active" or "disabled". If "active" it means hardware lag is active. - members: Returns the BDFs of all the members of lag object. - type: Returns the type of the lag currently configured. Valid only if hardware lag is active. * "roce" - Members are bare metal PFs. * "switchdev" - Members are in switchdev mode. * "multipath" - ECMP offloads. - port_sel_mode: Returns the egress port selection method, valid only if hardware lag is active. * "queue_affinity" - Egress port is selected by the QP/SQ affinity. * "hash" - Egress port is selected by hash done on each packet. Controlled by: xmit_hash_policy of the bond device. - flags: Returns flags that are specific per lag @type. Valid only if hardware lag is active. * "shared_fdb" - "on" or "off", if "on" single FDB is used. - mapping: Returns the mapping which is used to select egress port. Valid only if hardware lag is active. If @port_sel_mode is "hash" returns the active egress ports. The hash result will select only active ports. if @port_sel_mode is "queue_affinity" returns the mapping between the configured port affinity of the QP/SQ and actual egress port. For example: * 1:1 - Mapping means if the configured affinity is port 1 traffic will egress via port 1. * 1:2 - Mapping means if the configured affinity is port 1 traffic will egress via port 2. This can happen if port 1 is down or in active/backup mode and port 1 is backup. Signed-off-by: Mark Bloch Signed-off-by: Saeed Mahameed --- include/linux/mlx5/driver.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/linux') diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index fdb9d07a05a4..d6bac3976913 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -558,6 +558,7 @@ struct mlx5_debugfs_entries { struct dentry *cq_debugfs; struct dentry *cmdif_debugfs; struct dentry *pages_debugfs; + struct dentry *lag_debugfs; }; struct mlx5_ft_pool; -- cgit v1.2.3