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614 lines
17 KiB
614 lines
17 KiB
/* |
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* Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved. |
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* |
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* This software is available to you under a choice of one of two |
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* licenses. You may choose to be licensed under the terms of the GNU |
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* General Public License (GPL) Version 2, available from the file |
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* COPYING in the main directory of this source tree, or the |
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* OpenIB.org BSD license below: |
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* |
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* Redistribution and use in source and binary forms, with or |
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* without modification, are permitted provided that the following |
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* conditions are met: |
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* |
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* - Redistributions of source code must retain the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials |
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* provided with the distribution. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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|
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#include <linux/mlx5/vport.h> |
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#include <rdma/ib_mad.h> |
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#include <rdma/ib_smi.h> |
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#include <rdma/ib_pma.h> |
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#include "mlx5_ib.h" |
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#include "cmd.h" |
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|
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enum { |
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MLX5_IB_VENDOR_CLASS1 = 0x9, |
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MLX5_IB_VENDOR_CLASS2 = 0xa |
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}; |
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|
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static bool can_do_mad_ifc(struct mlx5_ib_dev *dev, u8 port_num, |
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struct ib_mad *in_mad) |
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{ |
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if (in_mad->mad_hdr.mgmt_class != IB_MGMT_CLASS_SUBN_LID_ROUTED && |
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in_mad->mad_hdr.mgmt_class != IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) |
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return true; |
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return dev->port_caps[port_num - 1].has_smi; |
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} |
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|
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static int mlx5_MAD_IFC(struct mlx5_ib_dev *dev, int ignore_mkey, |
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int ignore_bkey, u8 port, const struct ib_wc *in_wc, |
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const struct ib_grh *in_grh, const void *in_mad, |
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void *response_mad) |
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{ |
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u8 op_modifier = 0; |
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|
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if (!can_do_mad_ifc(dev, port, (struct ib_mad *)in_mad)) |
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return -EPERM; |
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|
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/* Key check traps can't be generated unless we have in_wc to |
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* tell us where to send the trap. |
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*/ |
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if (ignore_mkey || !in_wc) |
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op_modifier |= 0x1; |
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if (ignore_bkey || !in_wc) |
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op_modifier |= 0x2; |
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|
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return mlx5_cmd_mad_ifc(dev->mdev, in_mad, response_mad, op_modifier, |
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port); |
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} |
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|
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static void pma_cnt_ext_assign(struct ib_pma_portcounters_ext *pma_cnt_ext, |
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void *out) |
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{ |
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#define MLX5_SUM_CNT(p, cntr1, cntr2) \ |
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(MLX5_GET64(query_vport_counter_out, p, cntr1) + \ |
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MLX5_GET64(query_vport_counter_out, p, cntr2)) |
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pma_cnt_ext->port_xmit_data = |
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cpu_to_be64(MLX5_SUM_CNT(out, transmitted_ib_unicast.octets, |
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transmitted_ib_multicast.octets) >> 2); |
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pma_cnt_ext->port_rcv_data = |
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cpu_to_be64(MLX5_SUM_CNT(out, received_ib_unicast.octets, |
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received_ib_multicast.octets) >> 2); |
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pma_cnt_ext->port_xmit_packets = |
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cpu_to_be64(MLX5_SUM_CNT(out, transmitted_ib_unicast.packets, |
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transmitted_ib_multicast.packets)); |
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pma_cnt_ext->port_rcv_packets = |
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cpu_to_be64(MLX5_SUM_CNT(out, received_ib_unicast.packets, |
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received_ib_multicast.packets)); |
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pma_cnt_ext->port_unicast_xmit_packets = |
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MLX5_GET64_BE(query_vport_counter_out, |
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out, transmitted_ib_unicast.packets); |
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pma_cnt_ext->port_unicast_rcv_packets = |
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MLX5_GET64_BE(query_vport_counter_out, |
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out, received_ib_unicast.packets); |
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pma_cnt_ext->port_multicast_xmit_packets = |
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MLX5_GET64_BE(query_vport_counter_out, |
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out, transmitted_ib_multicast.packets); |
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pma_cnt_ext->port_multicast_rcv_packets = |
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MLX5_GET64_BE(query_vport_counter_out, |
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out, received_ib_multicast.packets); |
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} |
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static void pma_cnt_assign(struct ib_pma_portcounters *pma_cnt, |
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void *out) |
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{ |
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/* Traffic counters will be reported in |
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* their 64bit form via ib_pma_portcounters_ext by default. |
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*/ |
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void *out_pma = MLX5_ADDR_OF(ppcnt_reg, out, |
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counter_set); |
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#define MLX5_ASSIGN_PMA_CNTR(counter_var, counter_name) { \ |
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counter_var = MLX5_GET_BE(typeof(counter_var), \ |
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ib_port_cntrs_grp_data_layout, \ |
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out_pma, counter_name); \ |
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} |
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MLX5_ASSIGN_PMA_CNTR(pma_cnt->symbol_error_counter, |
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symbol_error_counter); |
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MLX5_ASSIGN_PMA_CNTR(pma_cnt->link_error_recovery_counter, |
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link_error_recovery_counter); |
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MLX5_ASSIGN_PMA_CNTR(pma_cnt->link_downed_counter, |
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link_downed_counter); |
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MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_rcv_errors, |
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port_rcv_errors); |
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MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_rcv_remphys_errors, |
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port_rcv_remote_physical_errors); |
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MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_rcv_switch_relay_errors, |
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port_rcv_switch_relay_errors); |
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MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_xmit_discards, |
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port_xmit_discards); |
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MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_xmit_constraint_errors, |
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port_xmit_constraint_errors); |
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MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_xmit_wait, |
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port_xmit_wait); |
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MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_rcv_constraint_errors, |
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port_rcv_constraint_errors); |
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MLX5_ASSIGN_PMA_CNTR(pma_cnt->link_overrun_errors, |
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link_overrun_errors); |
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MLX5_ASSIGN_PMA_CNTR(pma_cnt->vl15_dropped, |
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vl_15_dropped); |
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} |
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static int process_pma_cmd(struct mlx5_ib_dev *dev, u8 port_num, |
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const struct ib_mad *in_mad, struct ib_mad *out_mad) |
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{ |
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struct mlx5_core_dev *mdev; |
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bool native_port = true; |
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u8 mdev_port_num; |
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void *out_cnt; |
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int err; |
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mdev = mlx5_ib_get_native_port_mdev(dev, port_num, &mdev_port_num); |
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if (!mdev) { |
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/* Fail to get the native port, likely due to 2nd port is still |
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* unaffiliated. In such case default to 1st port and attached |
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* PF device. |
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*/ |
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native_port = false; |
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mdev = dev->mdev; |
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mdev_port_num = 1; |
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} |
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/* Declaring support of extended counters */ |
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if (in_mad->mad_hdr.attr_id == IB_PMA_CLASS_PORT_INFO) { |
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struct ib_class_port_info cpi = {}; |
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cpi.capability_mask = IB_PMA_CLASS_CAP_EXT_WIDTH; |
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memcpy((out_mad->data + 40), &cpi, sizeof(cpi)); |
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err = IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; |
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goto done; |
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} |
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if (in_mad->mad_hdr.attr_id == IB_PMA_PORT_COUNTERS_EXT) { |
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struct ib_pma_portcounters_ext *pma_cnt_ext = |
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(struct ib_pma_portcounters_ext *)(out_mad->data + 40); |
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int sz = MLX5_ST_SZ_BYTES(query_vport_counter_out); |
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out_cnt = kvzalloc(sz, GFP_KERNEL); |
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if (!out_cnt) { |
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err = IB_MAD_RESULT_FAILURE; |
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goto done; |
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} |
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err = mlx5_core_query_vport_counter(mdev, 0, 0, mdev_port_num, |
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out_cnt); |
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if (!err) |
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pma_cnt_ext_assign(pma_cnt_ext, out_cnt); |
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} else { |
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struct ib_pma_portcounters *pma_cnt = |
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(struct ib_pma_portcounters *)(out_mad->data + 40); |
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int sz = MLX5_ST_SZ_BYTES(ppcnt_reg); |
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out_cnt = kvzalloc(sz, GFP_KERNEL); |
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if (!out_cnt) { |
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err = IB_MAD_RESULT_FAILURE; |
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goto done; |
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} |
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err = mlx5_core_query_ib_ppcnt(mdev, mdev_port_num, |
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out_cnt, sz); |
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if (!err) |
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pma_cnt_assign(pma_cnt, out_cnt); |
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} |
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kvfree(out_cnt); |
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err = err ? IB_MAD_RESULT_FAILURE : |
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IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; |
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done: |
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if (native_port) |
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mlx5_ib_put_native_port_mdev(dev, port_num); |
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return err; |
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} |
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int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, |
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const struct ib_wc *in_wc, const struct ib_grh *in_grh, |
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const struct ib_mad *in, struct ib_mad *out, |
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size_t *out_mad_size, u16 *out_mad_pkey_index) |
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{ |
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struct mlx5_ib_dev *dev = to_mdev(ibdev); |
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u8 mgmt_class = in->mad_hdr.mgmt_class; |
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u8 method = in->mad_hdr.method; |
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u16 slid; |
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int err; |
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slid = in_wc ? ib_lid_cpu16(in_wc->slid) : |
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be16_to_cpu(IB_LID_PERMISSIVE); |
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if (method == IB_MGMT_METHOD_TRAP && !slid) |
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return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; |
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switch (mgmt_class) { |
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case IB_MGMT_CLASS_SUBN_LID_ROUTED: |
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case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE: { |
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if (method != IB_MGMT_METHOD_GET && |
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method != IB_MGMT_METHOD_SET && |
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method != IB_MGMT_METHOD_TRAP_REPRESS) |
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return IB_MAD_RESULT_SUCCESS; |
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|
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/* Don't process SMInfo queries -- the SMA can't handle them. |
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*/ |
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if (in->mad_hdr.attr_id == IB_SMP_ATTR_SM_INFO) |
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return IB_MAD_RESULT_SUCCESS; |
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} break; |
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case IB_MGMT_CLASS_PERF_MGMT: |
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if (MLX5_CAP_GEN(dev->mdev, vport_counters) && |
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method == IB_MGMT_METHOD_GET) |
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return process_pma_cmd(dev, port_num, in, out); |
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fallthrough; |
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case MLX5_IB_VENDOR_CLASS1: |
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case MLX5_IB_VENDOR_CLASS2: |
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case IB_MGMT_CLASS_CONG_MGMT: { |
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if (method != IB_MGMT_METHOD_GET && |
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method != IB_MGMT_METHOD_SET) |
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return IB_MAD_RESULT_SUCCESS; |
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} break; |
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default: |
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return IB_MAD_RESULT_SUCCESS; |
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} |
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err = mlx5_MAD_IFC(to_mdev(ibdev), mad_flags & IB_MAD_IGNORE_MKEY, |
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mad_flags & IB_MAD_IGNORE_BKEY, port_num, in_wc, |
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in_grh, in, out); |
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if (err) |
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return IB_MAD_RESULT_FAILURE; |
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|
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/* set return bit in status of directed route responses */ |
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if (mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) |
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out->mad_hdr.status |= cpu_to_be16(1 << 15); |
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if (method == IB_MGMT_METHOD_TRAP_REPRESS) |
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/* no response for trap repress */ |
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return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; |
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return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; |
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} |
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int mlx5_query_ext_port_caps(struct mlx5_ib_dev *dev, unsigned int port) |
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{ |
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struct ib_smp *in_mad = NULL; |
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struct ib_smp *out_mad = NULL; |
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int err = -ENOMEM; |
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u16 packet_error; |
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|
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in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); |
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out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); |
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if (!in_mad || !out_mad) |
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goto out; |
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init_query_mad(in_mad); |
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in_mad->attr_id = MLX5_ATTR_EXTENDED_PORT_INFO; |
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in_mad->attr_mod = cpu_to_be32(port); |
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err = mlx5_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad); |
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|
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packet_error = be16_to_cpu(out_mad->status); |
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|
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dev->port_caps[port - 1].ext_port_cap = (!err && !packet_error) ? |
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MLX_EXT_PORT_CAP_FLAG_EXTENDED_PORT_INFO : 0; |
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|
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out: |
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kfree(in_mad); |
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kfree(out_mad); |
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return err; |
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} |
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static int mlx5_query_mad_ifc_smp_attr_node_info(struct ib_device *ibdev, |
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struct ib_smp *out_mad) |
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{ |
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struct ib_smp *in_mad = NULL; |
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int err = -ENOMEM; |
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|
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in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); |
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if (!in_mad) |
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return -ENOMEM; |
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|
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init_query_mad(in_mad); |
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in_mad->attr_id = IB_SMP_ATTR_NODE_INFO; |
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|
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err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, 1, NULL, NULL, in_mad, |
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out_mad); |
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|
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kfree(in_mad); |
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return err; |
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} |
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|
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int mlx5_query_mad_ifc_system_image_guid(struct ib_device *ibdev, |
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__be64 *sys_image_guid) |
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{ |
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struct ib_smp *out_mad = NULL; |
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int err = -ENOMEM; |
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|
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out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); |
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if (!out_mad) |
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return -ENOMEM; |
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|
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err = mlx5_query_mad_ifc_smp_attr_node_info(ibdev, out_mad); |
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if (err) |
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goto out; |
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|
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memcpy(sys_image_guid, out_mad->data + 4, 8); |
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|
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out: |
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kfree(out_mad); |
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|
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return err; |
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} |
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|
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int mlx5_query_mad_ifc_max_pkeys(struct ib_device *ibdev, |
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u16 *max_pkeys) |
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{ |
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struct ib_smp *out_mad = NULL; |
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int err = -ENOMEM; |
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|
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out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); |
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if (!out_mad) |
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return -ENOMEM; |
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|
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err = mlx5_query_mad_ifc_smp_attr_node_info(ibdev, out_mad); |
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if (err) |
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goto out; |
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|
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*max_pkeys = be16_to_cpup((__be16 *)(out_mad->data + 28)); |
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|
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out: |
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kfree(out_mad); |
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|
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return err; |
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} |
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|
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int mlx5_query_mad_ifc_vendor_id(struct ib_device *ibdev, |
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u32 *vendor_id) |
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{ |
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struct ib_smp *out_mad = NULL; |
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int err = -ENOMEM; |
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|
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out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); |
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if (!out_mad) |
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return -ENOMEM; |
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|
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err = mlx5_query_mad_ifc_smp_attr_node_info(ibdev, out_mad); |
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if (err) |
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goto out; |
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|
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*vendor_id = be32_to_cpup((__be32 *)(out_mad->data + 36)) & 0xffff; |
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|
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out: |
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kfree(out_mad); |
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|
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return err; |
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} |
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|
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int mlx5_query_mad_ifc_node_desc(struct mlx5_ib_dev *dev, char *node_desc) |
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{ |
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struct ib_smp *in_mad = NULL; |
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struct ib_smp *out_mad = NULL; |
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int err = -ENOMEM; |
|
|
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in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); |
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out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); |
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if (!in_mad || !out_mad) |
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goto out; |
|
|
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init_query_mad(in_mad); |
|
in_mad->attr_id = IB_SMP_ATTR_NODE_DESC; |
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|
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err = mlx5_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad); |
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if (err) |
|
goto out; |
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|
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memcpy(node_desc, out_mad->data, IB_DEVICE_NODE_DESC_MAX); |
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out: |
|
kfree(in_mad); |
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kfree(out_mad); |
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return err; |
|
} |
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|
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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; |
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int err = -ENOMEM; |
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|
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in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); |
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out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); |
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if (!in_mad || !out_mad) |
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goto out; |
|
|
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init_query_mad(in_mad); |
|
in_mad->attr_id = IB_SMP_ATTR_NODE_INFO; |
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|
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err = mlx5_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad); |
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if (err) |
|
goto out; |
|
|
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memcpy(node_guid, out_mad->data + 12, 8); |
|
out: |
|
kfree(in_mad); |
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kfree(out_mad); |
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return err; |
|
} |
|
|
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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; |
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int err = -ENOMEM; |
|
|
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in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); |
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out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); |
|
if (!in_mad || !out_mad) |
|
goto out; |
|
|
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init_query_mad(in_mad); |
|
in_mad->attr_id = IB_SMP_ATTR_PKEY_TABLE; |
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in_mad->attr_mod = cpu_to_be32(index / 32); |
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|
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err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, |
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out_mad); |
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if (err) |
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goto out; |
|
|
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*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; |
|
|
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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); |
|
|
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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; |
|
|
|
in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); |
|
out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); |
|
if (!in_mad || !out_mad) |
|
goto out; |
|
|
|
/* props being zeroed by the caller, avoid zeroing it here */ |
|
|
|
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 = dev->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; |
|
|
|
if (props->port_cap_flags & IB_PORT_CAP_MASK2_SUP) { |
|
props->port_cap_flags2 = |
|
be16_to_cpup((__be16 *)(out_mad->data + 60)); |
|
|
|
if (props->port_cap_flags2 & IB_PORT_LINK_WIDTH_2X_SUP) |
|
props->active_width = out_mad->data[31] & 0x1f; |
|
} |
|
|
|
/* 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; |
|
case 4: |
|
if (props->port_cap_flags & IB_PORT_CAP_MASK2_SUP && |
|
props->port_cap_flags2 & IB_PORT_LINK_SPEED_HDR_SUP) |
|
props->active_speed = IB_SPEED_HDR; |
|
break; |
|
} |
|
} |
|
|
|
/* If reported active speed is QDR, check if is FDR-10 */ |
|
if (props->active_speed == 4) { |
|
if (dev->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; |
|
}
|
|
|