| /* |
| * Copyright (c) 2013-2015, 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/mlx5/cmd.h> |
| #include <linux/mlx5/vport.h> |
| #include <rdma/ib_mad.h> |
| #include <rdma/ib_smi.h> |
| #include <rdma/ib_pma.h> |
| #include "mlx5_ib.h" |
| |
| enum { |
| MLX5_IB_VENDOR_CLASS1 = 0x9, |
| MLX5_IB_VENDOR_CLASS2 = 0xa |
| }; |
| |
| int mlx5_MAD_IFC(struct mlx5_ib_dev *dev, int ignore_mkey, int ignore_bkey, |
| u8 port, const struct ib_wc *in_wc, const struct ib_grh *in_grh, |
| const void *in_mad, void *response_mad) |
| { |
| u8 op_modifier = 0; |
| |
| /* Key check traps can't be generated unless we have in_wc to |
| * tell us where to send the trap. |
| */ |
| if (ignore_mkey || !in_wc) |
| op_modifier |= 0x1; |
| if (ignore_bkey || !in_wc) |
| op_modifier |= 0x2; |
| |
| return mlx5_core_mad_ifc(dev->mdev, in_mad, response_mad, op_modifier, port); |
| } |
| |
| static int process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, |
| const struct ib_wc *in_wc, const struct ib_grh *in_grh, |
| const struct ib_mad *in_mad, struct ib_mad *out_mad) |
| { |
| u16 slid; |
| int err; |
| |
| slid = in_wc ? in_wc->slid : be16_to_cpu(IB_LID_PERMISSIVE); |
| |
| if (in_mad->mad_hdr.method == IB_MGMT_METHOD_TRAP && slid == 0) |
| return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; |
| |
| if (in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_LID_ROUTED || |
| in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) { |
| if (in_mad->mad_hdr.method != IB_MGMT_METHOD_GET && |
| in_mad->mad_hdr.method != IB_MGMT_METHOD_SET && |
| in_mad->mad_hdr.method != IB_MGMT_METHOD_TRAP_REPRESS) |
| return IB_MAD_RESULT_SUCCESS; |
| |
| /* Don't process SMInfo queries -- the SMA can't handle them. |
| */ |
| if (in_mad->mad_hdr.attr_id == IB_SMP_ATTR_SM_INFO) |
| return IB_MAD_RESULT_SUCCESS; |
| } else if (in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_PERF_MGMT || |
| in_mad->mad_hdr.mgmt_class == MLX5_IB_VENDOR_CLASS1 || |
| in_mad->mad_hdr.mgmt_class == MLX5_IB_VENDOR_CLASS2 || |
| in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_CONG_MGMT) { |
| if (in_mad->mad_hdr.method != IB_MGMT_METHOD_GET && |
| in_mad->mad_hdr.method != IB_MGMT_METHOD_SET) |
| return IB_MAD_RESULT_SUCCESS; |
| } else { |
| return IB_MAD_RESULT_SUCCESS; |
| } |
| |
| err = mlx5_MAD_IFC(to_mdev(ibdev), |
| mad_flags & IB_MAD_IGNORE_MKEY, |
| mad_flags & IB_MAD_IGNORE_BKEY, |
| port_num, in_wc, in_grh, in_mad, out_mad); |
| if (err) |
| return IB_MAD_RESULT_FAILURE; |
| |
| /* set return bit in status of directed route responses */ |
| if (in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) |
| out_mad->mad_hdr.status |= cpu_to_be16(1 << 15); |
| |
| if (in_mad->mad_hdr.method == IB_MGMT_METHOD_TRAP_REPRESS) |
| /* no response for trap repress */ |
| return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; |
| |
| return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; |
| } |
| |
| static void pma_cnt_ext_assign(struct ib_pma_portcounters_ext *pma_cnt_ext, |
| void *out) |
| { |
| #define MLX5_SUM_CNT(p, cntr1, cntr2) \ |
| (MLX5_GET64(query_vport_counter_out, p, cntr1) + \ |
| MLX5_GET64(query_vport_counter_out, p, cntr2)) |
| |
| pma_cnt_ext->port_xmit_data = |
| cpu_to_be64(MLX5_SUM_CNT(out, transmitted_ib_unicast.octets, |
| transmitted_ib_multicast.octets) >> 2); |
| pma_cnt_ext->port_rcv_data = |
| cpu_to_be64(MLX5_SUM_CNT(out, received_ib_unicast.octets, |
| received_ib_multicast.octets) >> 2); |
| pma_cnt_ext->port_xmit_packets = |
| cpu_to_be64(MLX5_SUM_CNT(out, transmitted_ib_unicast.packets, |
| transmitted_ib_multicast.packets)); |
| pma_cnt_ext->port_rcv_packets = |
| cpu_to_be64(MLX5_SUM_CNT(out, received_ib_unicast.packets, |
| received_ib_multicast.packets)); |
| pma_cnt_ext->port_unicast_xmit_packets = |
| MLX5_GET64_BE(query_vport_counter_out, |
| out, transmitted_ib_unicast.packets); |
| pma_cnt_ext->port_unicast_rcv_packets = |
| MLX5_GET64_BE(query_vport_counter_out, |
| out, received_ib_unicast.packets); |
| pma_cnt_ext->port_multicast_xmit_packets = |
| MLX5_GET64_BE(query_vport_counter_out, |
| out, transmitted_ib_multicast.packets); |
| pma_cnt_ext->port_multicast_rcv_packets = |
| MLX5_GET64_BE(query_vport_counter_out, |
| out, received_ib_multicast.packets); |
| } |
| |
| static void pma_cnt_assign(struct ib_pma_portcounters *pma_cnt, |
| void *out) |
| { |
| /* Traffic counters will be reported in |
| * their 64bit form via ib_pma_portcounters_ext by default. |
| */ |
| void *out_pma = MLX5_ADDR_OF(ppcnt_reg, out, |
| counter_set); |
| |
| #define MLX5_ASSIGN_PMA_CNTR(counter_var, counter_name) { \ |
| counter_var = MLX5_GET_BE(typeof(counter_var), \ |
| ib_port_cntrs_grp_data_layout, \ |
| out_pma, counter_name); \ |
| } |
| |
| MLX5_ASSIGN_PMA_CNTR(pma_cnt->symbol_error_counter, |
| symbol_error_counter); |
| MLX5_ASSIGN_PMA_CNTR(pma_cnt->link_error_recovery_counter, |
| link_error_recovery_counter); |
| MLX5_ASSIGN_PMA_CNTR(pma_cnt->link_downed_counter, |
| link_downed_counter); |
| MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_rcv_errors, |
| port_rcv_errors); |
| MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_rcv_remphys_errors, |
| port_rcv_remote_physical_errors); |
| MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_rcv_switch_relay_errors, |
| port_rcv_switch_relay_errors); |
| MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_xmit_discards, |
| port_xmit_discards); |
| MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_xmit_constraint_errors, |
| port_xmit_constraint_errors); |
| MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_rcv_constraint_errors, |
| port_rcv_constraint_errors); |
| MLX5_ASSIGN_PMA_CNTR(pma_cnt->link_overrun_errors, |
| link_overrun_errors); |
| MLX5_ASSIGN_PMA_CNTR(pma_cnt->vl15_dropped, |
| vl_15_dropped); |
| } |
| |
| static int process_pma_cmd(struct ib_device *ibdev, u8 port_num, |
| const struct ib_mad *in_mad, struct ib_mad *out_mad) |
| { |
| struct mlx5_ib_dev *dev = to_mdev(ibdev); |
| int err; |
| void *out_cnt; |
| |
| /* Decalring support of extended counters */ |
| if (in_mad->mad_hdr.attr_id == IB_PMA_CLASS_PORT_INFO) { |
| struct ib_class_port_info cpi = {}; |
| |
| cpi.capability_mask = IB_PMA_CLASS_CAP_EXT_WIDTH; |
| memcpy((out_mad->data + 40), &cpi, sizeof(cpi)); |
| return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; |
| } |
| |
| if (in_mad->mad_hdr.attr_id == IB_PMA_PORT_COUNTERS_EXT) { |
| struct ib_pma_portcounters_ext *pma_cnt_ext = |
| (struct ib_pma_portcounters_ext *)(out_mad->data + 40); |
| int sz = MLX5_ST_SZ_BYTES(query_vport_counter_out); |
| |
| out_cnt = mlx5_vzalloc(sz); |
| if (!out_cnt) |
| return IB_MAD_RESULT_FAILURE; |
| |
| err = mlx5_core_query_vport_counter(dev->mdev, 0, 0, |
| port_num, out_cnt, sz); |
| if (!err) |
| pma_cnt_ext_assign(pma_cnt_ext, out_cnt); |
| } else { |
| struct ib_pma_portcounters *pma_cnt = |
| (struct ib_pma_portcounters *)(out_mad->data + 40); |
| int sz = MLX5_ST_SZ_BYTES(ppcnt_reg); |
| |
| out_cnt = mlx5_vzalloc(sz); |
| if (!out_cnt) |
| return IB_MAD_RESULT_FAILURE; |
| |
| err = mlx5_core_query_ib_ppcnt(dev->mdev, port_num, |
| out_cnt, sz); |
| if (!err) |
| pma_cnt_assign(pma_cnt, out_cnt); |
| } |
| |
| kvfree(out_cnt); |
| if (err) |
| return IB_MAD_RESULT_FAILURE; |
| |
| return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; |
| } |
| |
| int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, |
| const struct ib_wc *in_wc, const struct ib_grh *in_grh, |
| const struct ib_mad_hdr *in, size_t in_mad_size, |
| struct ib_mad_hdr *out, size_t *out_mad_size, |
| u16 *out_mad_pkey_index) |
| { |
| struct mlx5_ib_dev *dev = to_mdev(ibdev); |
| struct mlx5_core_dev *mdev = dev->mdev; |
| const struct ib_mad *in_mad = (const struct ib_mad *)in; |
| struct ib_mad *out_mad = (struct ib_mad *)out; |
| |
| if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) || |
| *out_mad_size != sizeof(*out_mad))) |
| return IB_MAD_RESULT_FAILURE; |
| |
| memset(out_mad->data, 0, sizeof(out_mad->data)); |
| |
| if (MLX5_CAP_GEN(mdev, vport_counters) && |
| in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_PERF_MGMT && |
| in_mad->mad_hdr.method == IB_MGMT_METHOD_GET) { |
| return process_pma_cmd(ibdev, port_num, in_mad, out_mad); |
| } else { |
| return process_mad(ibdev, mad_flags, port_num, in_wc, in_grh, |
| in_mad, out_mad); |
| } |
| } |
| |
| int mlx5_query_ext_port_caps(struct mlx5_ib_dev *dev, u8 port) |
| { |
| struct ib_smp *in_mad = NULL; |
| struct ib_smp *out_mad = NULL; |
| int err = -ENOMEM; |
| u16 packet_error; |
| |
| in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); |
| out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); |
| if (!in_mad || !out_mad) |
| goto out; |
| |
| init_query_mad(in_mad); |
| in_mad->attr_id = MLX5_ATTR_EXTENDED_PORT_INFO; |
| in_mad->attr_mod = cpu_to_be32(port); |
| |
| err = mlx5_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad); |
| |
| packet_error = be16_to_cpu(out_mad->status); |
| |
| dev->mdev->port_caps[port - 1].ext_port_cap = (!err && !packet_error) ? |
| MLX_EXT_PORT_CAP_FLAG_EXTENDED_PORT_INFO : 0; |
| |
| out: |
| kfree(in_mad); |
| kfree(out_mad); |
| return err; |
| } |
| |
| int mlx5_query_mad_ifc_smp_attr_node_info(struct ib_device *ibdev, |
| struct ib_smp *out_mad) |
| { |
| struct ib_smp *in_mad = NULL; |
| int err = -ENOMEM; |
| |
| in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); |
| if (!in_mad) |
| return -ENOMEM; |
| |
| init_query_mad(in_mad); |
| in_mad->attr_id = IB_SMP_ATTR_NODE_INFO; |
| |
| err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, 1, NULL, NULL, in_mad, |
| out_mad); |
| |
| kfree(in_mad); |
| return err; |
| } |
| |
| int mlx5_query_mad_ifc_system_image_guid(struct ib_device *ibdev, |
| __be64 *sys_image_guid) |
| { |
| struct ib_smp *out_mad = NULL; |
| int err = -ENOMEM; |
| |
| out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); |
| if (!out_mad) |
| return -ENOMEM; |
| |
| err = mlx5_query_mad_ifc_smp_attr_node_info(ibdev, out_mad); |
| if (err) |
| goto out; |
| |
| memcpy(sys_image_guid, out_mad->data + 4, 8); |
| |
| out: |
| kfree(out_mad); |
| |
| return err; |
| } |
| |
| int mlx5_query_mad_ifc_max_pkeys(struct ib_device *ibdev, |
| u16 *max_pkeys) |
| { |
| struct ib_smp *out_mad = NULL; |
| int err = -ENOMEM; |
| |
| out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); |
| if (!out_mad) |
| return -ENOMEM; |
| |
| err = mlx5_query_mad_ifc_smp_attr_node_info(ibdev, out_mad); |
| if (err) |
| goto out; |
| |
| *max_pkeys = be16_to_cpup((__be16 *)(out_mad->data + 28)); |
| |
| out: |
| kfree(out_mad); |
| |
| return err; |
| } |
| |
| int mlx5_query_mad_ifc_vendor_id(struct ib_device *ibdev, |
| u32 *vendor_id) |
| { |
| struct ib_smp *out_mad = NULL; |
| int err = -ENOMEM; |
| |
| out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); |
| if (!out_mad) |
| return -ENOMEM; |
| |
| err = mlx5_query_mad_ifc_smp_attr_node_info(ibdev, out_mad); |
| if (err) |
| goto out; |
| |
| *vendor_id = be32_to_cpup((__be32 *)(out_mad->data + 36)) & 0xffff; |
| |
| out: |
| kfree(out_mad); |
| |
| return err; |
| } |
| |
| int mlx5_query_mad_ifc_node_desc(struct mlx5_ib_dev *dev, char *node_desc) |
| { |
| struct ib_smp *in_mad = NULL; |
| struct ib_smp *out_mad = NULL; |
| int err = -ENOMEM; |
| |
| in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); |
| out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); |
| if (!in_mad || !out_mad) |
| goto out; |
| |
| init_query_mad(in_mad); |
| in_mad->attr_id = IB_SMP_ATTR_NODE_DESC; |
| |
| err = mlx5_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad); |
| if (err) |
| goto out; |
| |
| memcpy(node_desc, out_mad->data, IB_DEVICE_NODE_DESC_MAX); |
| out: |
| kfree(in_mad); |
| kfree(out_mad); |
| return err; |
| } |
| |
| int mlx5_query_mad_ifc_node_guid(struct mlx5_ib_dev *dev, __be64 *node_guid) |
| { |
| struct ib_smp *in_mad = NULL; |
| struct ib_smp *out_mad = NULL; |
| int err = -ENOMEM; |
| |
| in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); |
| out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); |
| if (!in_mad || !out_mad) |
| goto out; |
| |
| init_query_mad(in_mad); |
| in_mad->attr_id = IB_SMP_ATTR_NODE_INFO; |
| |
| err = mlx5_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad); |
| if (err) |
| goto out; |
| |
| memcpy(node_guid, out_mad->data + 12, 8); |
| out: |
| kfree(in_mad); |
| kfree(out_mad); |
| return err; |
| } |
| |
| int mlx5_query_mad_ifc_pkey(struct ib_device *ibdev, u8 port, u16 index, |
| u16 *pkey) |
| { |
| struct ib_smp *in_mad = NULL; |
| struct ib_smp *out_mad = NULL; |
| int err = -ENOMEM; |
| |
| in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); |
| out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); |
| if (!in_mad || !out_mad) |
| goto out; |
| |
| init_query_mad(in_mad); |
| in_mad->attr_id = IB_SMP_ATTR_PKEY_TABLE; |
| in_mad->attr_mod = cpu_to_be32(index / 32); |
| |
| err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, |
| out_mad); |
| if (err) |
| goto out; |
| |
| *pkey = be16_to_cpu(((__be16 *)out_mad->data)[index % 32]); |
| |
| out: |
| kfree(in_mad); |
| kfree(out_mad); |
| return err; |
| } |
| |
| int mlx5_query_mad_ifc_gids(struct ib_device *ibdev, u8 port, int index, |
| union ib_gid *gid) |
| { |
| struct ib_smp *in_mad = NULL; |
| struct ib_smp *out_mad = NULL; |
| int err = -ENOMEM; |
| |
| in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); |
| out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); |
| if (!in_mad || !out_mad) |
| goto out; |
| |
| init_query_mad(in_mad); |
| in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; |
| in_mad->attr_mod = cpu_to_be32(port); |
| |
| err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, |
| out_mad); |
| if (err) |
| goto out; |
| |
| memcpy(gid->raw, out_mad->data + 8, 8); |
| |
| init_query_mad(in_mad); |
| in_mad->attr_id = IB_SMP_ATTR_GUID_INFO; |
| in_mad->attr_mod = cpu_to_be32(index / 8); |
| |
| err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, |
| out_mad); |
| if (err) |
| goto out; |
| |
| memcpy(gid->raw + 8, out_mad->data + (index % 8) * 8, 8); |
| |
| out: |
| kfree(in_mad); |
| kfree(out_mad); |
| return err; |
| } |
| |
| int mlx5_query_mad_ifc_port(struct ib_device *ibdev, u8 port, |
| struct ib_port_attr *props) |
| { |
| struct mlx5_ib_dev *dev = to_mdev(ibdev); |
| struct mlx5_core_dev *mdev = dev->mdev; |
| struct ib_smp *in_mad = NULL; |
| struct ib_smp *out_mad = NULL; |
| int ext_active_speed; |
| int err = -ENOMEM; |
| |
| if (port < 1 || port > MLX5_CAP_GEN(mdev, num_ports)) { |
| mlx5_ib_warn(dev, "invalid port number %d\n", port); |
| return -EINVAL; |
| } |
| |
| in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); |
| out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); |
| if (!in_mad || !out_mad) |
| goto out; |
| |
| memset(props, 0, sizeof(*props)); |
| |
| init_query_mad(in_mad); |
| in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; |
| in_mad->attr_mod = cpu_to_be32(port); |
| |
| err = mlx5_MAD_IFC(dev, 1, 1, port, NULL, NULL, in_mad, out_mad); |
| if (err) { |
| mlx5_ib_warn(dev, "err %d\n", err); |
| goto out; |
| } |
| |
| props->lid = be16_to_cpup((__be16 *)(out_mad->data + 16)); |
| props->lmc = out_mad->data[34] & 0x7; |
| props->sm_lid = be16_to_cpup((__be16 *)(out_mad->data + 18)); |
| props->sm_sl = out_mad->data[36] & 0xf; |
| props->state = out_mad->data[32] & 0xf; |
| props->phys_state = out_mad->data[33] >> 4; |
| props->port_cap_flags = be32_to_cpup((__be32 *)(out_mad->data + 20)); |
| props->gid_tbl_len = out_mad->data[50]; |
| props->max_msg_sz = 1 << MLX5_CAP_GEN(mdev, log_max_msg); |
| props->pkey_tbl_len = mdev->port_caps[port - 1].pkey_table_len; |
| props->bad_pkey_cntr = be16_to_cpup((__be16 *)(out_mad->data + 46)); |
| props->qkey_viol_cntr = be16_to_cpup((__be16 *)(out_mad->data + 48)); |
| props->active_width = out_mad->data[31] & 0xf; |
| props->active_speed = out_mad->data[35] >> 4; |
| props->max_mtu = out_mad->data[41] & 0xf; |
| props->active_mtu = out_mad->data[36] >> 4; |
| props->subnet_timeout = out_mad->data[51] & 0x1f; |
| props->max_vl_num = out_mad->data[37] >> 4; |
| props->init_type_reply = out_mad->data[41] >> 4; |
| |
| /* Check if extended speeds (EDR/FDR/...) are supported */ |
| if (props->port_cap_flags & IB_PORT_EXTENDED_SPEEDS_SUP) { |
| ext_active_speed = out_mad->data[62] >> 4; |
| |
| switch (ext_active_speed) { |
| case 1: |
| props->active_speed = 16; /* FDR */ |
| break; |
| case 2: |
| props->active_speed = 32; /* EDR */ |
| break; |
| } |
| } |
| |
| /* If reported active speed is QDR, check if is FDR-10 */ |
| if (props->active_speed == 4) { |
| if (mdev->port_caps[port - 1].ext_port_cap & |
| MLX_EXT_PORT_CAP_FLAG_EXTENDED_PORT_INFO) { |
| init_query_mad(in_mad); |
| in_mad->attr_id = MLX5_ATTR_EXTENDED_PORT_INFO; |
| in_mad->attr_mod = cpu_to_be32(port); |
| |
| err = mlx5_MAD_IFC(dev, 1, 1, port, |
| NULL, NULL, in_mad, out_mad); |
| if (err) |
| goto out; |
| |
| /* Checking LinkSpeedActive for FDR-10 */ |
| if (out_mad->data[15] & 0x1) |
| props->active_speed = 8; |
| } |
| } |
| |
| out: |
| kfree(in_mad); |
| kfree(out_mad); |
| |
| return err; |
| } |