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8a2dd123f1
This patch doesn't change any functionality, but move one function to mlx5_ib because it is not used by mlx5_core. The actual fix is in the next patch. Reviewed-by: Roi Dayan <roid@nvidia.com> Signed-off-by: Chris Mi <cmi@nvidia.com> Link: https://lore.kernel.org/r/fd47b9138412bd94ed30f838026cbb4cf3878150.1661763871.git.leonro@nvidia.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
641 lines
18 KiB
C
641 lines
18 KiB
C
/*
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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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#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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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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static bool can_do_mad_ifc(struct mlx5_ib_dev *dev, u32 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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static int mlx5_MAD_IFC(struct mlx5_ib_dev *dev, int ignore_mkey,
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int ignore_bkey, u32 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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if (!can_do_mad_ifc(dev, port, (struct ib_mad *)in_mad))
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return -EPERM;
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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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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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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 query_ib_ppcnt(struct mlx5_core_dev *dev, u8 port_num, void *out,
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size_t sz)
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{
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u32 *in;
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int err;
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in = kvzalloc(sz, GFP_KERNEL);
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if (!in) {
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err = -ENOMEM;
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return err;
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}
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MLX5_SET(ppcnt_reg, in, local_port, port_num);
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MLX5_SET(ppcnt_reg, in, grp, MLX5_INFINIBAND_PORT_COUNTERS_GROUP);
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err = mlx5_core_access_reg(dev, in, sz, out,
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sz, MLX5_REG_PPCNT, 0, 0);
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kvfree(in);
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return err;
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}
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static int process_pma_cmd(struct mlx5_ib_dev *dev, u32 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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u32 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 = query_ib_ppcnt(mdev, mdev_port_num, 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, u32 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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/* 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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/* 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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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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ib_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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packet_error = be16_to_cpu(out_mad->status);
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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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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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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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ib_init_query_mad(in_mad);
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in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;
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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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kfree(in_mad);
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return err;
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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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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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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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memcpy(sys_image_guid, out_mad->data + 4, 8);
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out:
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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_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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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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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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*max_pkeys = be16_to_cpup((__be16 *)(out_mad->data + 28));
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out:
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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_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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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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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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*vendor_id = be32_to_cpup((__be32 *)(out_mad->data + 36)) & 0xffff;
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out:
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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_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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ib_init_query_mad(in_mad);
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in_mad->attr_id = IB_SMP_ATTR_NODE_DESC;
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err = mlx5_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad);
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if (err)
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goto out;
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memcpy(node_desc, out_mad->data, IB_DEVICE_NODE_DESC_MAX);
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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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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;
|
|
|
|
ib_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, u32 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;
|
|
|
|
ib_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, u32 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;
|
|
|
|
ib_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);
|
|
|
|
ib_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, u32 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 */
|
|
|
|
ib_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;
|
|
case 8:
|
|
if (props->port_cap_flags & IB_PORT_CAP_MASK2_SUP &&
|
|
props->port_cap_flags2 & IB_PORT_LINK_SPEED_NDR_SUP)
|
|
props->active_speed = IB_SPEED_NDR;
|
|
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) {
|
|
ib_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;
|
|
}
|