RDMA/mana_ib: Add port statistics support

Implement alloc_hw_port_stats and get_hw_stats APIs to support querying
MANA VF port level statistics from rdma stat tool.

Example output from rdma stat tool:

$rdma statistic show link mana_0/1 -p
link mana_0/1
    requester_timeout 45
    requester_oos_nak 0
    requester_rnr_nak 0
    responder_rnr_nak 0
    responder_oos 0
    responder_dup_request 0
    requester_implicit_nak 0
    requester_readresp_psn_mismatch 0
    nak_inv_req 0
    nak_access_error 0
    nak_opp_error 0
    nak_inv_read 0
    responder_local_len_error 0
    requestor_local_prot_error 0
    responder_rem_access_error 0
    responder_local_qp_error 0
    responder_malformed_wqe 0
    general_hw_error 6
    requester_rnr_nak_retries_exceeded 0
    requester_retries_exceeded 5
    total_fatal_error 6
    received_cnps 0
    num_qps_congested 0
    rate_inc_events 0
    num_qps_recovered 0
    current_rate 100000

Signed-off-by: Shiraz Saleem <[email protected]>
Signed-off-by: Konstantin Taranov <[email protected]>
Link: https://patch.msgid.link/[email protected]
Reviewed-by: Long Li <[email protected]>
Signed-off-by: Leon Romanovsky <[email protected]>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/infiniband/hw/mana/device.c b/drivers/infiniband/hw/mana/device.c
index 0a7553f819ba..640a2c96b5ca 100644
--- a/drivers/infiniband/hw/mana/device.c
+++ b/drivers/infiniband/hw/mana/device.c
@@ -59,6 +59,11 @@ static const struct ib_device_ops mana_ib_dev_ops = {
 			   ib_ind_table),
 };
 
+static const struct ib_device_ops mana_ib_stats_ops = {
+	.alloc_hw_port_stats = mana_ib_alloc_hw_port_stats,
+	.get_hw_stats = mana_ib_get_hw_stats,
+};
+
 static int mana_ib_probe(struct auxiliary_device *adev,
 			 const struct auxiliary_device_id *id)
 {
@@ -124,6 +129,8 @@ static int mana_ib_probe(struct auxiliary_device *adev,
 		goto deregister_device;
 	}
 
+	ib_set_device_ops(&dev->ib_dev, &mana_ib_stats_ops);
+
 	ret = mana_ib_create_eqs(dev);
 	if (ret) {
 		ibdev_err(&dev->ib_dev, "Failed to create EQs, ret %d", ret);