diff options
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/Makefile | 2 | ||||
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 3 | ||||
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/lag.c | 530 | ||||
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/main.c | 51 | ||||
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h | 12 | ||||
-rw-r--r-- | include/linux/mlx5/driver.h | 4 |
6 files changed, 588 insertions, 14 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Makefile b/drivers/net/ethernet/mellanox/mlx5/core/Makefile index 05cc1ef..dad326c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/Makefile +++ b/drivers/net/ethernet/mellanox/mlx5/core/Makefile @@ -3,7 +3,7 @@ obj-$(CONFIG_MLX5_CORE) += mlx5_core.o mlx5_core-y := main.o cmd.o debugfs.o fw.o eq.o uar.o pagealloc.o \ health.o mcg.o cq.o srq.o alloc.o qp.o port.o mr.o pd.o \ mad.o transobj.o vport.o sriov.o fs_cmd.o fs_core.o \ - fs_counters.o rl.o + fs_counters.o rl.o lag.o mlx5_core-$(CONFIG_MLX5_CORE_EN) += wq.o eswitch.o eswitch_offloads.o \ en_main.o en_common.o en_fs.o en_ethtool.o en_tx.o \ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 9e36c15..219804f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -3369,6 +3369,8 @@ static void mlx5e_nic_enable(struct mlx5e_priv *priv) struct mlx5_eswitch *esw = mdev->priv.eswitch; struct mlx5_eswitch_rep rep; + mlx5_lag_add(mdev, netdev); + if (mlx5e_vxlan_allowed(mdev)) { rtnl_lock(); udp_tunnel_get_rx_info(netdev); @@ -3391,6 +3393,7 @@ static void mlx5e_nic_disable(struct mlx5e_priv *priv) { queue_work(priv->wq, &priv->set_rx_mode_work); mlx5e_disable_async_events(priv); + mlx5_lag_remove(priv->mdev); } static const struct mlx5e_profile mlx5e_nic_profile = { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag.c b/drivers/net/ethernet/mellanox/mlx5/core/lag.c new file mode 100644 index 0000000..3bf0a7f --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlx5/core/lag.c @@ -0,0 +1,530 @@ +/* + * Copyright (c) 2016, Mellanox Technologies. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include <linux/netdevice.h> +#include <linux/mlx5/driver.h> +#include <linux/mlx5/vport.h> +#include "mlx5_core.h" + +enum { + MLX5_LAG_FLAG_BONDED = 1 << 0, +}; + +struct lag_func { + struct mlx5_core_dev *dev; + struct net_device *netdev; +}; + +/* Used for collection of netdev event info. */ +struct lag_tracker { + enum netdev_lag_tx_type tx_type; + struct netdev_lag_lower_state_info netdev_state[MLX5_MAX_PORTS]; + bool is_bonded; +}; + +/* LAG data of a ConnectX card. + * It serves both its phys functions. + */ +struct mlx5_lag { + u8 flags; + u8 v2p_map[MLX5_MAX_PORTS]; + struct lag_func pf[MLX5_MAX_PORTS]; + struct lag_tracker tracker; + struct delayed_work bond_work; + struct notifier_block nb; +}; + +/* General purpose, use for short periods of time. + * Beware of lock dependencies (preferably, no locks should be acquired + * under it). + */ +static DEFINE_MUTEX(lag_mutex); + +static int mlx5_cmd_create_lag(struct mlx5_core_dev *dev, u8 remap_port1, + u8 remap_port2) +{ + u32 in[MLX5_ST_SZ_DW(create_lag_in)] = {0}; + u32 out[MLX5_ST_SZ_DW(create_lag_out)] = {0}; + void *lag_ctx = MLX5_ADDR_OF(create_lag_in, in, ctx); + + MLX5_SET(create_lag_in, in, opcode, MLX5_CMD_OP_CREATE_LAG); + + MLX5_SET(lagc, lag_ctx, tx_remap_affinity_1, remap_port1); + MLX5_SET(lagc, lag_ctx, tx_remap_affinity_2, remap_port2); + + return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); +} + +static int mlx5_cmd_modify_lag(struct mlx5_core_dev *dev, u8 remap_port1, + u8 remap_port2) +{ + u32 in[MLX5_ST_SZ_DW(modify_lag_in)] = {0}; + u32 out[MLX5_ST_SZ_DW(modify_lag_out)] = {0}; + void *lag_ctx = MLX5_ADDR_OF(modify_lag_in, in, ctx); + + MLX5_SET(modify_lag_in, in, opcode, MLX5_CMD_OP_MODIFY_LAG); + MLX5_SET(modify_lag_in, in, field_select, 0x1); + + MLX5_SET(lagc, lag_ctx, tx_remap_affinity_1, remap_port1); + MLX5_SET(lagc, lag_ctx, tx_remap_affinity_2, remap_port2); + + return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); +} + +static int mlx5_cmd_destroy_lag(struct mlx5_core_dev *dev) +{ + u32 in[MLX5_ST_SZ_DW(destroy_lag_in)] = {0}; + u32 out[MLX5_ST_SZ_DW(destroy_lag_out)] = {0}; + + MLX5_SET(destroy_lag_in, in, opcode, MLX5_CMD_OP_DESTROY_LAG); + + return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); +} + +static struct mlx5_lag *mlx5_lag_dev_get(struct mlx5_core_dev *dev) +{ + return dev->priv.lag; +} + +static int mlx5_lag_dev_get_netdev_idx(struct mlx5_lag *ldev, + struct net_device *ndev) +{ + int i; + + for (i = 0; i < MLX5_MAX_PORTS; i++) + if (ldev->pf[i].netdev == ndev) + return i; + + return -1; +} + +static bool mlx5_lag_is_bonded(struct mlx5_lag *ldev) +{ + return !!(ldev->flags & MLX5_LAG_FLAG_BONDED); +} + +static void mlx5_infer_tx_affinity_mapping(struct lag_tracker *tracker, + u8 *port1, u8 *port2) +{ + if (tracker->tx_type == NETDEV_LAG_TX_TYPE_ACTIVEBACKUP) { + if (tracker->netdev_state[0].tx_enabled) { + *port1 = 1; + *port2 = 1; + } else { + *port1 = 2; + *port2 = 2; + } + } else { + *port1 = 1; + *port2 = 2; + if (!tracker->netdev_state[0].link_up) + *port1 = 2; + else if (!tracker->netdev_state[1].link_up) + *port2 = 1; + } +} + +static void mlx5_activate_lag(struct mlx5_lag *ldev, + struct lag_tracker *tracker) +{ + struct mlx5_core_dev *dev0 = ldev->pf[0].dev; + int err; + + ldev->flags |= MLX5_LAG_FLAG_BONDED; + + mlx5_infer_tx_affinity_mapping(tracker, &ldev->v2p_map[0], + &ldev->v2p_map[1]); + + err = mlx5_cmd_create_lag(dev0, ldev->v2p_map[0], ldev->v2p_map[1]); + if (err) + mlx5_core_err(dev0, + "Failed to create LAG (%d)\n", + err); +} + +static void mlx5_deactivate_lag(struct mlx5_lag *ldev) +{ + struct mlx5_core_dev *dev0 = ldev->pf[0].dev; + int err; + + ldev->flags &= ~MLX5_LAG_FLAG_BONDED; + + err = mlx5_cmd_destroy_lag(dev0); + if (err) + mlx5_core_err(dev0, + "Failed to destroy LAG (%d)\n", + err); +} + +static void mlx5_do_bond(struct mlx5_lag *ldev) +{ + struct mlx5_core_dev *dev0 = ldev->pf[0].dev; + struct mlx5_core_dev *dev1 = ldev->pf[1].dev; + struct lag_tracker tracker; + u8 v2p_port1, v2p_port2; + int i, err; + + if (!dev0 || !dev1) + return; + + mutex_lock(&lag_mutex); + tracker = ldev->tracker; + mutex_unlock(&lag_mutex); + + if (tracker.is_bonded && !mlx5_lag_is_bonded(ldev)) { + for (i = 0; i < MLX5_MAX_PORTS; i++) + mlx5_remove_dev_by_protocol(ldev->pf[i].dev, + MLX5_INTERFACE_PROTOCOL_IB); + + mlx5_activate_lag(ldev, &tracker); + + mlx5_add_dev_by_protocol(dev0, MLX5_INTERFACE_PROTOCOL_IB); + mlx5_nic_vport_enable_roce(dev1); + } else if (tracker.is_bonded && mlx5_lag_is_bonded(ldev)) { + mlx5_infer_tx_affinity_mapping(&tracker, &v2p_port1, + &v2p_port2); + + if ((v2p_port1 != ldev->v2p_map[0]) || + (v2p_port2 != ldev->v2p_map[1])) { + ldev->v2p_map[0] = v2p_port1; + ldev->v2p_map[1] = v2p_port2; + + err = mlx5_cmd_modify_lag(dev0, v2p_port1, v2p_port2); + if (err) + mlx5_core_err(dev0, + "Failed to modify LAG (%d)\n", + err); + } + } else if (!tracker.is_bonded && mlx5_lag_is_bonded(ldev)) { + mlx5_remove_dev_by_protocol(dev0, MLX5_INTERFACE_PROTOCOL_IB); + mlx5_nic_vport_disable_roce(dev1); + + mlx5_deactivate_lag(ldev); + + for (i = 0; i < MLX5_MAX_PORTS; i++) + if (ldev->pf[i].dev) + mlx5_add_dev_by_protocol(ldev->pf[i].dev, + MLX5_INTERFACE_PROTOCOL_IB); + } +} + +static void mlx5_queue_bond_work(struct mlx5_lag *ldev, unsigned long delay) +{ + schedule_delayed_work(&ldev->bond_work, delay); +} + +static void mlx5_do_bond_work(struct work_struct *work) +{ + struct delayed_work *delayed_work = to_delayed_work(work); + struct mlx5_lag *ldev = container_of(delayed_work, struct mlx5_lag, + bond_work); + int status; + + status = mutex_trylock(&mlx5_intf_mutex); + if (!status) { + /* 1 sec delay. */ + mlx5_queue_bond_work(ldev, HZ); + return; + } + + mlx5_do_bond(ldev); + mutex_unlock(&mlx5_intf_mutex); +} + +static int mlx5_handle_changeupper_event(struct mlx5_lag *ldev, + struct lag_tracker *tracker, + struct net_device *ndev, + struct netdev_notifier_changeupper_info *info) +{ + struct net_device *upper = info->upper_dev, *ndev_tmp; + struct netdev_lag_upper_info *lag_upper_info; + bool is_bonded; + int bond_status = 0; + int num_slaves = 0; + int idx; + + if (!netif_is_lag_master(upper)) + return 0; + + lag_upper_info = info->upper_info; + + /* The event may still be of interest if the slave does not belong to + * us, but is enslaved to a master which has one or more of our netdevs + * as slaves (e.g., if a new slave is added to a master that bonds two + * of our netdevs, we should unbond). + */ + rcu_read_lock(); + for_each_netdev_in_bond_rcu(upper, ndev_tmp) { + idx = mlx5_lag_dev_get_netdev_idx(ldev, ndev_tmp); + if (idx > -1) + bond_status |= (1 << idx); + + num_slaves++; + } + rcu_read_unlock(); + + /* None of this lagdev's netdevs are slaves of this master. */ + if (!(bond_status & 0x3)) + return 0; + + if (lag_upper_info) + tracker->tx_type = lag_upper_info->tx_type; + + /* Determine bonding status: + * A device is considered bonded if both its physical ports are slaves + * of the same lag master, and only them. + * Lag mode must be activebackup or hash. + */ + is_bonded = (num_slaves == MLX5_MAX_PORTS) && + (bond_status == 0x3) && + ((tracker->tx_type == NETDEV_LAG_TX_TYPE_ACTIVEBACKUP) || + (tracker->tx_type == NETDEV_LAG_TX_TYPE_HASH)); + + if (tracker->is_bonded != is_bonded) { + tracker->is_bonded = is_bonded; + return 1; + } + + return 0; +} + +static int mlx5_handle_changelowerstate_event(struct mlx5_lag *ldev, + struct lag_tracker *tracker, + struct net_device *ndev, + struct netdev_notifier_changelowerstate_info *info) +{ + struct netdev_lag_lower_state_info *lag_lower_info; + int idx; + + if (!netif_is_lag_port(ndev)) + return 0; + + idx = mlx5_lag_dev_get_netdev_idx(ldev, ndev); + if (idx == -1) + return 0; + + /* This information is used to determine virtual to physical + * port mapping. + */ + lag_lower_info = info->lower_state_info; + if (!lag_lower_info) + return 0; + + tracker->netdev_state[idx] = *lag_lower_info; + + return 1; +} + +static int mlx5_lag_netdev_event(struct notifier_block *this, + unsigned long event, void *ptr) +{ + struct net_device *ndev = netdev_notifier_info_to_dev(ptr); + struct lag_tracker tracker; + struct mlx5_lag *ldev; + int changed = 0; + + if (!net_eq(dev_net(ndev), &init_net)) + return NOTIFY_DONE; + + if ((event != NETDEV_CHANGEUPPER) && (event != NETDEV_CHANGELOWERSTATE)) + return NOTIFY_DONE; + + ldev = container_of(this, struct mlx5_lag, nb); + tracker = ldev->tracker; + + switch (event) { + case NETDEV_CHANGEUPPER: + changed = mlx5_handle_changeupper_event(ldev, &tracker, ndev, + ptr); + break; + case NETDEV_CHANGELOWERSTATE: + changed = mlx5_handle_changelowerstate_event(ldev, &tracker, + ndev, ptr); + break; + } + + mutex_lock(&lag_mutex); + ldev->tracker = tracker; + mutex_unlock(&lag_mutex); + + if (changed) + mlx5_queue_bond_work(ldev, 0); + + return NOTIFY_DONE; +} + +static struct mlx5_lag *mlx5_lag_dev_alloc(void) +{ + struct mlx5_lag *ldev; + + ldev = kzalloc(sizeof(*ldev), GFP_KERNEL); + if (!ldev) + return NULL; + + INIT_DELAYED_WORK(&ldev->bond_work, mlx5_do_bond_work); + + return ldev; +} + +static void mlx5_lag_dev_free(struct mlx5_lag *ldev) +{ + kfree(ldev); +} + +static void mlx5_lag_dev_add_pf(struct mlx5_lag *ldev, + struct mlx5_core_dev *dev, + struct net_device *netdev) +{ + unsigned int fn = PCI_FUNC(dev->pdev->devfn); + + if (fn >= MLX5_MAX_PORTS) + return; + + mutex_lock(&lag_mutex); + ldev->pf[fn].dev = dev; + ldev->pf[fn].netdev = netdev; + ldev->tracker.netdev_state[fn].link_up = 0; + ldev->tracker.netdev_state[fn].tx_enabled = 0; + + dev->priv.lag = ldev; + mutex_unlock(&lag_mutex); +} + +static void mlx5_lag_dev_remove_pf(struct mlx5_lag *ldev, + struct mlx5_core_dev *dev) +{ + int i; + + for (i = 0; i < MLX5_MAX_PORTS; i++) + if (ldev->pf[i].dev == dev) + break; + + if (i == MLX5_MAX_PORTS) + return; + + mutex_lock(&lag_mutex); + memset(&ldev->pf[i], 0, sizeof(*ldev->pf)); + + dev->priv.lag = NULL; + mutex_unlock(&lag_mutex); +} + +static u16 mlx5_gen_pci_id(struct mlx5_core_dev *dev) +{ + return (u16)((dev->pdev->bus->number << 8) | + PCI_SLOT(dev->pdev->devfn)); +} + +/* Must be called with intf_mutex held */ +void mlx5_lag_add(struct mlx5_core_dev *dev, struct net_device *netdev) +{ + struct mlx5_lag *ldev = NULL; + struct mlx5_core_dev *tmp_dev; + struct mlx5_priv *priv; + u16 pci_id; + + if (!MLX5_CAP_GEN(dev, vport_group_manager) || + !MLX5_CAP_GEN(dev, lag_master) || + (MLX5_CAP_GEN(dev, num_lag_ports) != MLX5_MAX_PORTS)) + return; + + pci_id = mlx5_gen_pci_id(dev); + + mlx5_core_for_each_priv(priv) { + tmp_dev = container_of(priv, struct mlx5_core_dev, priv); + if ((dev != tmp_dev) && + (mlx5_gen_pci_id(tmp_dev) == pci_id)) { + ldev = tmp_dev->priv.lag; + break; + } + } + + if (!ldev) { + ldev = mlx5_lag_dev_alloc(); + if (!ldev) { + mlx5_core_err(dev, "Failed to alloc lag dev\n"); + return; + } + } + + mlx5_lag_dev_add_pf(ldev, dev, netdev); + + if (!ldev->nb.notifier_call) { + ldev->nb.notifier_call = mlx5_lag_netdev_event; + if (register_netdevice_notifier(&ldev->nb)) { + ldev->nb.notifier_call = NULL; + mlx5_core_err(dev, "Failed to register LAG netdev notifier\n"); + } + } +} + +/* Must be called with intf_mutex held */ +void mlx5_lag_remove(struct mlx5_core_dev *dev) +{ + struct mlx5_lag *ldev; + int i; + + ldev = mlx5_lag_dev_get(dev); + if (!ldev) + return; + + if (mlx5_lag_is_bonded(ldev)) + mlx5_deactivate_lag(ldev); + + mlx5_lag_dev_remove_pf(ldev, dev); + + for (i = 0; i < MLX5_MAX_PORTS; i++) + if (ldev->pf[i].dev) + break; + + if (i == MLX5_MAX_PORTS) { + if (ldev->nb.notifier_call) + unregister_netdevice_notifier(&ldev->nb); + cancel_delayed_work_sync(&ldev->bond_work); + mlx5_lag_dev_free(ldev); + } +} + +bool mlx5_lag_is_active(struct mlx5_core_dev *dev) +{ + struct mlx5_lag *ldev; + bool res; + + mutex_lock(&lag_mutex); + ldev = mlx5_lag_dev_get(dev); + res = ldev && mlx5_lag_is_bonded(ldev); + mutex_unlock(&lag_mutex); + + return res; +} +EXPORT_SYMBOL(mlx5_lag_is_active); + diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index d6446a3..db7bcfc 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -73,8 +73,9 @@ module_param_named(prof_sel, prof_sel, int, 0444); MODULE_PARM_DESC(prof_sel, "profile selector. Valid range 0 - 2"); static LIST_HEAD(intf_list); -static LIST_HEAD(dev_list); -static DEFINE_MUTEX(intf_mutex); + +LIST_HEAD(mlx5_dev_list); +DEFINE_MUTEX(mlx5_intf_mutex); struct mlx5_device_context { struct list_head list; @@ -820,11 +821,11 @@ static int mlx5_register_device(struct mlx5_core_dev *dev) struct mlx5_priv *priv = &dev->priv; struct mlx5_interface *intf; - mutex_lock(&intf_mutex); - list_add_tail(&priv->dev_list, &dev_list); + mutex_lock(&mlx5_intf_mutex); + list_add_tail(&priv->dev_list, &mlx5_dev_list); list_for_each_entry(intf, &intf_list, list) mlx5_add_device(intf, priv); - mutex_unlock(&intf_mutex); + mutex_unlock(&mlx5_intf_mutex); return 0; } @@ -834,11 +835,11 @@ static void mlx5_unregister_device(struct mlx5_core_dev *dev) struct mlx5_priv *priv = &dev->priv; struct mlx5_interface *intf; - mutex_lock(&intf_mutex); + mutex_lock(&mlx5_intf_mutex); list_for_each_entry(intf, &intf_list, list) mlx5_remove_device(intf, priv); list_del(&priv->dev_list); - mutex_unlock(&intf_mutex); + mutex_unlock(&mlx5_intf_mutex); } int mlx5_register_interface(struct mlx5_interface *intf) @@ -848,11 +849,11 @@ int mlx5_register_interface(struct mlx5_interface *intf) if (!intf->add || !intf->remove) return -EINVAL; - mutex_lock(&intf_mutex); + mutex_lock(&mlx5_intf_mutex); list_add_tail(&intf->list, &intf_list); - list_for_each_entry(priv, &dev_list, dev_list) + list_for_each_entry(priv, &mlx5_dev_list, dev_list) mlx5_add_device(intf, priv); - mutex_unlock(&intf_mutex); + mutex_unlock(&mlx5_intf_mutex); return 0; } @@ -862,11 +863,11 @@ void mlx5_unregister_interface(struct mlx5_interface *intf) { struct mlx5_priv *priv; - mutex_lock(&intf_mutex); - list_for_each_entry(priv, &dev_list, dev_list) + mutex_lock(&mlx5_intf_mutex); + list_for_each_entry(priv, &mlx5_dev_list, dev_list) mlx5_remove_device(intf, priv); list_del(&intf->list); - mutex_unlock(&intf_mutex); + mutex_unlock(&mlx5_intf_mutex); } EXPORT_SYMBOL(mlx5_unregister_interface); @@ -892,6 +893,30 @@ void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol) } EXPORT_SYMBOL(mlx5_get_protocol_dev); +/* Must be called with intf_mutex held */ +void mlx5_add_dev_by_protocol(struct mlx5_core_dev *dev, int protocol) +{ + struct mlx5_interface *intf; + + list_for_each_entry(intf, &intf_list, list) + if (intf->protocol == protocol) { + mlx5_add_device(intf, &dev->priv); + break; + } +} + +/* Must be called with intf_mutex held */ +void mlx5_remove_dev_by_protocol(struct mlx5_core_dev *dev, int protocol) +{ + struct mlx5_interface *intf; + + list_for_each_entry(intf, &intf_list, list) + if (intf->protocol == protocol) { + mlx5_remove_device(intf, &dev->priv); + break; + } +} + static int mlx5_pci_init(struct mlx5_core_dev *dev, struct mlx5_priv *priv) { struct pci_dev *pdev = dev->pdev; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h index ef0eeed..173a6b2 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h @@ -46,6 +46,9 @@ extern int mlx5_core_debug_mask; +extern struct list_head mlx5_dev_list; +extern struct mutex mlx5_intf_mutex; + #define mlx5_core_dbg(__dev, format, ...) \ dev_dbg(&(__dev)->pdev->dev, "%s:%s:%d:(pid %d): " format, \ (__dev)->priv.name, __func__, __LINE__, current->pid, \ @@ -70,6 +73,9 @@ do { \ #define mlx5_core_info(__dev, format, ...) \ dev_info(&(__dev)->pdev->dev, format, ##__VA_ARGS__) +#define mlx5_core_for_each_priv(__priv) \ + list_for_each_entry(__priv, &mlx5_dev_list, dev_list) + enum { MLX5_CMD_DATA, /* print command payload only */ MLX5_CMD_TIME, /* print command execution time */ @@ -92,6 +98,12 @@ u32 mlx5_get_msix_vec(struct mlx5_core_dev *dev, int vecidx); struct mlx5_eq *mlx5_eqn2eq(struct mlx5_core_dev *dev, int eqn); void mlx5_cq_tasklet_cb(unsigned long data); +void mlx5_lag_add(struct mlx5_core_dev *dev, struct net_device *netdev); +void mlx5_lag_remove(struct mlx5_core_dev *dev); + +void mlx5_add_dev_by_protocol(struct mlx5_core_dev *dev, int protocol); +void mlx5_remove_dev_by_protocol(struct mlx5_core_dev *dev, int protocol); + void mlx5e_init(void); void mlx5e_cleanup(void); diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 0ea78b5..ed983b8 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -477,6 +477,7 @@ struct mlx5_fc_stats { }; struct mlx5_eswitch; +struct mlx5_lag; struct mlx5_rl_entry { u32 rate; @@ -550,6 +551,7 @@ struct mlx5_priv { struct mlx5_flow_steering *steering; struct mlx5_eswitch *eswitch; struct mlx5_core_sriov sriov; + struct mlx5_lag *lag; unsigned long pci_dev_data; struct mlx5_fc_stats fc_stats; struct mlx5_rl_table rl_table; @@ -942,6 +944,8 @@ int mlx5_register_interface(struct mlx5_interface *intf); void mlx5_unregister_interface(struct mlx5_interface *intf); int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id); +bool mlx5_lag_is_active(struct mlx5_core_dev *dev); + struct mlx5_profile { u64 mask; u8 log_max_qp; |