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IB/mlx5: Add port counter support for raw packet QP

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Counters weren't updated due to raw packet QPs' traffic since the
counter-id was not associated with the QP. Added support for
associating the q-counter-id with the raw packet QP. The attachment
is done only when changing RQ raw packet QP state from RST to INIT
in modify-RQ command. FW support is required for the above, without
this support raw packet QP counters will not count.

Signed-off-by: Alex Vesker <valex@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Alex Vesker 2016-08-28 12:25:53 +03:00 committed by Doug Ledford
parent 0680efa214
commit eb49ab0c5f
1 changed files with 32 additions and 8 deletions
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40
drivers/infiniband/hw/mlx5/qp.c
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@ -77,8 +77,15 @@ struct mlx5_wqe_eth_pad {
u8 rsvd0[16];
};
enum raw_qp_set_mask_map {
MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID = 1UL << 0,
};
struct mlx5_modify_raw_qp_param {
u16 operation;
u32 set_mask; /* raw_qp_set_mask_map */
u8 rq_q_ctr_id;
};
static void get_cqs(enum ib_qp_type qp_type,
@ -2369,8 +2376,9 @@ static int ib_mask_to_mlx5_opt(int ib_mask)
return result;
}
static int modify_raw_packet_qp_rq(struct mlx5_core_dev *dev,
struct mlx5_ib_rq *rq, int new_state)
static int modify_raw_packet_qp_rq(struct mlx5_ib_dev *dev,
struct mlx5_ib_rq *rq, int new_state,
const struct mlx5_modify_raw_qp_param *raw_qp_param)
{
void *in;
void *rqc;
@ -2387,7 +2395,17 @@ static int modify_raw_packet_qp_rq(struct mlx5_core_dev *dev,
rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx);
MLX5_SET(rqc, rqc, state, new_state);
err = mlx5_core_modify_rq(dev, rq->base.mqp.qpn, in, inlen);
if (raw_qp_param->set_mask & MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID) {
if (MLX5_CAP_GEN(dev->mdev, modify_rq_counter_set_id)) {
MLX5_SET64(modify_rq_in, in, modify_bitmask,
MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_MODIFY_RQ_COUNTER_SET_ID);
MLX5_SET(rqc, rqc, counter_set_id, raw_qp_param->rq_q_ctr_id);
} else
pr_info_once("%s: RAW PACKET QP counters are not supported on current FW\n",
dev->ib_dev.name);
}
err = mlx5_core_modify_rq(dev->mdev, rq->base.mqp.qpn, in, inlen);
if (err)
goto out;
@ -2454,15 +2472,17 @@ static int modify_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
case MLX5_CMD_OP_INIT2RTR_QP:
case MLX5_CMD_OP_RTR2RTS_QP:
case MLX5_CMD_OP_RTS2RTS_QP:
/* Nothing to do here... */
return 0;
if (raw_qp_param->set_mask)
return -EINVAL;
else
return 0;
default:
WARN_ON(1);
return -EINVAL;
}
if (qp->rq.wqe_cnt) {
err = modify_raw_packet_qp_rq(dev->mdev, rq, rq_state);
err = modify_raw_packet_qp_rq(dev, rq, rq_state, raw_qp_param);
if (err)
return err;
}
@ -2520,6 +2540,7 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp,
struct mlx5_ib_cq *send_cq, *recv_cq;
struct mlx5_qp_context *context;
struct mlx5_ib_pd *pd;
struct mlx5_ib_port *mibport = NULL;
enum mlx5_qp_state mlx5_cur, mlx5_new;
enum mlx5_qp_optpar optpar;
int sqd_event;
@ -2660,8 +2681,7 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp,
if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) {
u8 port_num = (attr_mask & IB_QP_PORT ? attr->port_num :
qp->port) - 1;
struct mlx5_ib_port *mibport = &dev->port[port_num];
mibport = &dev->port[port_num];
context->qp_counter_set_usr_page |=
cpu_to_be32((u32)(mibport->q_cnt_id) << 24);
}
@ -2700,6 +2720,10 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp,
struct mlx5_modify_raw_qp_param raw_qp_param = {};
raw_qp_param.operation = op;
if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) {
raw_qp_param.rq_q_ctr_id = mibport->q_cnt_id;
raw_qp_param.set_mask |= MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID;
}
err = modify_raw_packet_qp(dev, qp, &raw_qp_param);
} else {
err = mlx5_core_qp_modify(dev->mdev, op, optpar, context,