diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/port.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/port.c | 193 |
1 files changed, 8 insertions, 185 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c index 4c51b05efa28..719ead15e491 100644 --- a/drivers/net/ethernet/mellanox/mlx4/port.c +++ b/drivers/net/ethernet/mellanox/mlx4/port.c @@ -74,87 +74,6 @@ void mlx4_init_vlan_table(struct mlx4_dev *dev, struct mlx4_vlan_table *table) table->total = 0; } -static int mlx4_uc_steer_add(struct mlx4_dev *dev, u8 port, - u64 mac, int *qpn, u64 *reg_id) -{ - __be64 be_mac; - int err; - - mac &= MLX4_MAC_MASK; - be_mac = cpu_to_be64(mac << 16); - - switch (dev->caps.steering_mode) { - case MLX4_STEERING_MODE_B0: { - struct mlx4_qp qp; - u8 gid[16] = {0}; - - qp.qpn = *qpn; - memcpy(&gid[10], &be_mac, ETH_ALEN); - gid[5] = port; - - err = mlx4_unicast_attach(dev, &qp, gid, 0, MLX4_PROT_ETH); - break; - } - case MLX4_STEERING_MODE_DEVICE_MANAGED: { - struct mlx4_spec_list spec_eth = { {NULL} }; - __be64 mac_mask = cpu_to_be64(MLX4_MAC_MASK << 16); - - struct mlx4_net_trans_rule rule = { - .queue_mode = MLX4_NET_TRANS_Q_FIFO, - .exclusive = 0, - .allow_loopback = 1, - .promisc_mode = MLX4_FS_PROMISC_NONE, - .priority = MLX4_DOMAIN_NIC, - }; - - rule.port = port; - rule.qpn = *qpn; - INIT_LIST_HEAD(&rule.list); - - spec_eth.id = MLX4_NET_TRANS_RULE_ID_ETH; - memcpy(spec_eth.eth.dst_mac, &be_mac, ETH_ALEN); - memcpy(spec_eth.eth.dst_mac_msk, &mac_mask, ETH_ALEN); - list_add_tail(&spec_eth.list, &rule.list); - - err = mlx4_flow_attach(dev, &rule, reg_id); - break; - } - default: - return -EINVAL; - } - if (err) - mlx4_warn(dev, "Failed Attaching Unicast\n"); - - return err; -} - -static void mlx4_uc_steer_release(struct mlx4_dev *dev, u8 port, - u64 mac, int qpn, u64 reg_id) -{ - switch (dev->caps.steering_mode) { - case MLX4_STEERING_MODE_B0: { - struct mlx4_qp qp; - u8 gid[16] = {0}; - __be64 be_mac; - - qp.qpn = qpn; - mac &= MLX4_MAC_MASK; - be_mac = cpu_to_be64(mac << 16); - memcpy(&gid[10], &be_mac, ETH_ALEN); - gid[5] = port; - - mlx4_unicast_detach(dev, &qp, gid, MLX4_PROT_ETH); - break; - } - case MLX4_STEERING_MODE_DEVICE_MANAGED: { - mlx4_flow_detach(dev, reg_id); - break; - } - default: - mlx4_err(dev, "Invalid steering mode.\n"); - } -} - static int validate_index(struct mlx4_dev *dev, struct mlx4_mac_table *table, int index) { @@ -181,92 +100,6 @@ static int find_index(struct mlx4_dev *dev, return -EINVAL; } -int mlx4_get_eth_qp(struct mlx4_dev *dev, u8 port, u64 mac, int *qpn) -{ - struct mlx4_port_info *info = &mlx4_priv(dev)->port[port]; - struct mlx4_mac_entry *entry; - int index = 0; - int err = 0; - u64 reg_id; - - mlx4_dbg(dev, "Registering MAC: 0x%llx for adding\n", - (unsigned long long) mac); - index = mlx4_register_mac(dev, port, mac); - if (index < 0) { - err = index; - mlx4_err(dev, "Failed adding MAC: 0x%llx\n", - (unsigned long long) mac); - return err; - } - - if (dev->caps.steering_mode == MLX4_STEERING_MODE_A0) { - *qpn = info->base_qpn + index; - return 0; - } - - err = mlx4_qp_reserve_range(dev, 1, 1, qpn); - mlx4_dbg(dev, "Reserved qp %d\n", *qpn); - if (err) { - mlx4_err(dev, "Failed to reserve qp for mac registration\n"); - goto qp_err; - } - - err = mlx4_uc_steer_add(dev, port, mac, qpn, ®_id); - if (err) - goto steer_err; - - entry = kmalloc(sizeof *entry, GFP_KERNEL); - if (!entry) { - err = -ENOMEM; - goto alloc_err; - } - entry->mac = mac; - entry->reg_id = reg_id; - err = radix_tree_insert(&info->mac_tree, *qpn, entry); - if (err) - goto insert_err; - return 0; - -insert_err: - kfree(entry); - -alloc_err: - mlx4_uc_steer_release(dev, port, mac, *qpn, reg_id); - -steer_err: - mlx4_qp_release_range(dev, *qpn, 1); - -qp_err: - mlx4_unregister_mac(dev, port, mac); - return err; -} -EXPORT_SYMBOL_GPL(mlx4_get_eth_qp); - -void mlx4_put_eth_qp(struct mlx4_dev *dev, u8 port, u64 mac, int qpn) -{ - struct mlx4_port_info *info = &mlx4_priv(dev)->port[port]; - struct mlx4_mac_entry *entry; - - mlx4_dbg(dev, "Registering MAC: 0x%llx for deleting\n", - (unsigned long long) mac); - mlx4_unregister_mac(dev, port, mac); - - if (dev->caps.steering_mode != MLX4_STEERING_MODE_A0) { - entry = radix_tree_lookup(&info->mac_tree, qpn); - if (entry) { - mlx4_dbg(dev, "Releasing qp: port %d, mac 0x%llx," - " qpn %d\n", port, - (unsigned long long) mac, qpn); - mlx4_uc_steer_release(dev, port, entry->mac, - qpn, entry->reg_id); - mlx4_qp_release_range(dev, qpn, 1); - radix_tree_delete(&info->mac_tree, qpn); - kfree(entry); - } - } -} -EXPORT_SYMBOL_GPL(mlx4_put_eth_qp); - static int mlx4_set_port_mac_table(struct mlx4_dev *dev, u8 port, __be64 *entries) { @@ -359,6 +192,12 @@ int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac) } EXPORT_SYMBOL_GPL(mlx4_register_mac); +int mlx4_get_base_qpn(struct mlx4_dev *dev, u8 port) +{ + return dev->caps.reserved_qps_base[MLX4_QP_REGION_ETH_ADDR] + + (port - 1) * (1 << dev->caps.log_num_macs); +} +EXPORT_SYMBOL_GPL(mlx4_get_base_qpn); void __mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac) { @@ -397,29 +236,13 @@ void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac) } EXPORT_SYMBOL_GPL(mlx4_unregister_mac); -int mlx4_replace_mac(struct mlx4_dev *dev, u8 port, int qpn, u64 new_mac) +int __mlx4_replace_mac(struct mlx4_dev *dev, u8 port, int qpn, u64 new_mac) { struct mlx4_port_info *info = &mlx4_priv(dev)->port[port]; struct mlx4_mac_table *table = &info->mac_table; - struct mlx4_mac_entry *entry; int index = qpn - info->base_qpn; int err = 0; - if (dev->caps.steering_mode != MLX4_STEERING_MODE_A0) { - entry = radix_tree_lookup(&info->mac_tree, qpn); - if (!entry) - return -EINVAL; - mlx4_uc_steer_release(dev, port, entry->mac, - qpn, entry->reg_id); - mlx4_unregister_mac(dev, port, entry->mac); - entry->mac = new_mac; - entry->reg_id = 0; - mlx4_register_mac(dev, port, new_mac); - err = mlx4_uc_steer_add(dev, port, entry->mac, - &qpn, &entry->reg_id); - return err; - } - /* CX1 doesn't support multi-functions */ mutex_lock(&table->mutex); @@ -439,7 +262,7 @@ out: mutex_unlock(&table->mutex); return err; } -EXPORT_SYMBOL_GPL(mlx4_replace_mac); +EXPORT_SYMBOL_GPL(__mlx4_replace_mac); static int mlx4_set_port_vlan_table(struct mlx4_dev *dev, u8 port, __be32 *entries) |