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path: root/drivers/infiniband/hw/mlx4/qp.c
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Diffstat (limited to 'drivers/infiniband/hw/mlx4/qp.c')
-rw-r--r--drivers/infiniband/hw/mlx4/qp.c54
1 files changed, 37 insertions, 17 deletions
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 3a784896662..ceb33327091 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -84,6 +84,11 @@ enum {
MLX4_IB_CACHE_LINE_SIZE = 64,
};
+enum {
+ MLX4_RAW_QP_MTU = 7,
+ MLX4_RAW_QP_MSGMAX = 31,
+};
+
static const __be32 mlx4_ib_opcode[] = {
[IB_WR_SEND] = cpu_to_be32(MLX4_OPCODE_SEND),
[IB_WR_LSO] = cpu_to_be32(MLX4_OPCODE_LSO),
@@ -256,7 +261,7 @@ static void mlx4_ib_qp_event(struct mlx4_qp *qp, enum mlx4_event type)
event.event = IB_EVENT_QP_ACCESS_ERR;
break;
default:
- printk(KERN_WARNING "mlx4_ib: Unexpected event type %d "
+ pr_warn("Unexpected event type %d "
"on QP %06x\n", type, qp->qpn);
return;
}
@@ -573,7 +578,12 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd,
if (sqpn) {
qpn = sqpn;
} else {
- err = mlx4_qp_reserve_range(dev->dev, 1, 1, &qpn);
+ /* Raw packet QPNs must be aligned to 8 bits. If not, the WQE
+ * BlueFlame setup flow wrongly causes VLAN insertion. */
+ if (init_attr->qp_type == IB_QPT_RAW_PACKET)
+ err = mlx4_qp_reserve_range(dev->dev, 1, 1 << 8, &qpn);
+ else
+ err = mlx4_qp_reserve_range(dev->dev, 1, 1, &qpn);
if (err)
goto err_wrid;
}
@@ -715,7 +725,7 @@ static void destroy_qp_common(struct mlx4_ib_dev *dev, struct mlx4_ib_qp *qp,
if (qp->state != IB_QPS_RESET)
if (mlx4_qp_modify(dev->dev, NULL, to_mlx4_state(qp->state),
MLX4_QP_STATE_RST, NULL, 0, 0, &qp->mqp))
- printk(KERN_WARNING "mlx4_ib: modify QP %06x to RESET failed.\n",
+ pr_warn("modify QP %06x to RESET failed.\n",
qp->mqp.qpn);
get_cqs(qp, &send_cq, &recv_cq);
@@ -791,6 +801,7 @@ struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
case IB_QPT_RC:
case IB_QPT_UC:
case IB_QPT_UD:
+ case IB_QPT_RAW_PACKET:
{
qp = kzalloc(sizeof *qp, GFP_KERNEL);
if (!qp)
@@ -872,7 +883,8 @@ static int to_mlx4_st(enum ib_qp_type type)
case IB_QPT_XRC_INI:
case IB_QPT_XRC_TGT: return MLX4_QP_ST_XRC;
case IB_QPT_SMI:
- case IB_QPT_GSI: return MLX4_QP_ST_MLX;
+ case IB_QPT_GSI:
+ case IB_QPT_RAW_PACKET: return MLX4_QP_ST_MLX;
default: return -1;
}
}
@@ -946,7 +958,7 @@ static int mlx4_set_path(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah,
if (ah->ah_flags & IB_AH_GRH) {
if (ah->grh.sgid_index >= dev->dev->caps.gid_table_len[port]) {
- printk(KERN_ERR "sgid_index (%u) too large. max is %d\n",
+ pr_err("sgid_index (%u) too large. max is %d\n",
ah->grh.sgid_index, dev->dev->caps.gid_table_len[port] - 1);
return -1;
}
@@ -1042,6 +1054,8 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp,
if (ibqp->qp_type == IB_QPT_GSI || ibqp->qp_type == IB_QPT_SMI)
context->mtu_msgmax = (IB_MTU_4096 << 5) | 11;
+ else if (ibqp->qp_type == IB_QPT_RAW_PACKET)
+ context->mtu_msgmax = (MLX4_RAW_QP_MTU << 5) | MLX4_RAW_QP_MSGMAX;
else if (ibqp->qp_type == IB_QPT_UD) {
if (qp->flags & MLX4_IB_QP_LSO)
context->mtu_msgmax = (IB_MTU_4096 << 5) |
@@ -1050,7 +1064,7 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp,
context->mtu_msgmax = (IB_MTU_4096 << 5) | 12;
} else if (attr_mask & IB_QP_PATH_MTU) {
if (attr->path_mtu < IB_MTU_256 || attr->path_mtu > IB_MTU_4096) {
- printk(KERN_ERR "path MTU (%u) is invalid\n",
+ pr_err("path MTU (%u) is invalid\n",
attr->path_mtu);
goto out;
}
@@ -1200,7 +1214,8 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp,
if (cur_state == IB_QPS_INIT &&
new_state == IB_QPS_RTR &&
(ibqp->qp_type == IB_QPT_GSI || ibqp->qp_type == IB_QPT_SMI ||
- ibqp->qp_type == IB_QPT_UD)) {
+ ibqp->qp_type == IB_QPT_UD ||
+ ibqp->qp_type == IB_QPT_RAW_PACKET)) {
context->pri_path.sched_queue = (qp->port - 1) << 6;
if (is_qp0(dev, qp))
context->pri_path.sched_queue |= MLX4_IB_DEFAULT_QP0_SCHED_QUEUE;
@@ -1266,7 +1281,7 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp,
if (is_qp0(dev, qp)) {
if (cur_state != IB_QPS_RTR && new_state == IB_QPS_RTR)
if (mlx4_INIT_PORT(dev->dev, qp->port))
- printk(KERN_WARNING "INIT_PORT failed for port %d\n",
+ pr_warn("INIT_PORT failed for port %d\n",
qp->port);
if (cur_state != IB_QPS_RESET && cur_state != IB_QPS_ERR &&
@@ -1319,6 +1334,11 @@ int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
goto out;
}
+ if ((attr_mask & IB_QP_PORT) && (ibqp->qp_type == IB_QPT_RAW_PACKET) &&
+ (rdma_port_get_link_layer(&dev->ib_dev, attr->port_num) !=
+ IB_LINK_LAYER_ETHERNET))
+ goto out;
+
if (attr_mask & IB_QP_PKEY_INDEX) {
int p = attr_mask & IB_QP_PORT ? attr->port_num : qp->port;
if (attr->pkey_index >= dev->dev->caps.pkey_table_len[p])
@@ -1424,6 +1444,9 @@ static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_send_wr *wr,
if (is_eth) {
u8 *smac;
+ u16 pcp = (be32_to_cpu(ah->av.ib.sl_tclass_flowlabel) >> 29) << 13;
+
+ mlx->sched_prio = cpu_to_be16(pcp);
memcpy(sqp->ud_header.eth.dmac_h, ah->av.eth.mac, 6);
/* FIXME: cache smac value? */
@@ -1434,10 +1457,7 @@ static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_send_wr *wr,
if (!is_vlan) {
sqp->ud_header.eth.type = cpu_to_be16(MLX4_IB_IBOE_ETHERTYPE);
} else {
- u16 pcp;
-
sqp->ud_header.vlan.type = cpu_to_be16(MLX4_IB_IBOE_ETHERTYPE);
- pcp = (be32_to_cpu(ah->av.ib.sl_tclass_flowlabel) >> 29) << 13;
sqp->ud_header.vlan.tag = cpu_to_be16(vlan | pcp);
}
} else {
@@ -1460,16 +1480,16 @@ static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_send_wr *wr,
header_size = ib_ud_header_pack(&sqp->ud_header, sqp->header_buf);
if (0) {
- printk(KERN_ERR "built UD header of size %d:\n", header_size);
+ pr_err("built UD header of size %d:\n", header_size);
for (i = 0; i < header_size / 4; ++i) {
if (i % 8 == 0)
- printk(" [%02x] ", i * 4);
- printk(" %08x",
- be32_to_cpu(((__be32 *) sqp->header_buf)[i]));
+ pr_err(" [%02x] ", i * 4);
+ pr_cont(" %08x",
+ be32_to_cpu(((__be32 *) sqp->header_buf)[i]));
if ((i + 1) % 8 == 0)
- printk("\n");
+ pr_cont("\n");
}
- printk("\n");
+ pr_err("\n");
}
/*
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 14:56:04 +0000