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Subject[PATCH v5 11/27] IB/Verbs: Reform route related part in IB-core cma

Use raw management helpers to reform route related part in IB-core cma.

Cc: Hal Rosenstock <hal@dev.mellanox.co.il>
Cc: Steve Wise <swise@opengridcomputing.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Cc: Doug Ledford <dledford@redhat.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Michael Wang <yun.wang@profitbricks.com>
---
drivers/infiniband/core/cma.c | 31 ++++++++-----------------------
drivers/infiniband/core/ucma.c | 25 ++++++-------------------
2 files changed, 14 insertions(+), 42 deletions(-)

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 815e41b..fa69f34 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -923,13 +923,9 @@ static inline int cma_user_data_offset(struct rdma_id_private *id_priv)

static void cma_cancel_route(struct rdma_id_private *id_priv)
{
- switch (rdma_port_get_link_layer(id_priv->id.device, id_priv->id.port_num)) {
- case IB_LINK_LAYER_INFINIBAND:
+ if (rdma_tech_ib(id_priv->id.device, id_priv->id.port_num)) {
if (id_priv->query)
ib_sa_cancel_query(id_priv->query_id, id_priv->query);
- break;
- default:
- break;
}
}

@@ -1957,26 +1953,15 @@ int rdma_resolve_route(struct rdma_cm_id *id, int timeout_ms)
return -EINVAL;

atomic_inc(&id_priv->refcount);
- switch (rdma_node_get_transport(id->device->node_type)) {
- case RDMA_TRANSPORT_IB:
- switch (rdma_port_get_link_layer(id->device, id->port_num)) {
- case IB_LINK_LAYER_INFINIBAND:
- ret = cma_resolve_ib_route(id_priv, timeout_ms);
- break;
- case IB_LINK_LAYER_ETHERNET:
- ret = cma_resolve_iboe_route(id_priv);
- break;
- default:
- ret = -ENOSYS;
- }
- break;
- case RDMA_TRANSPORT_IWARP:
+ if (rdma_tech_ib(id->device, id->port_num))
+ ret = cma_resolve_ib_route(id_priv, timeout_ms);
+ else if (rdma_tech_iboe(id->device, id->port_num))
+ ret = cma_resolve_iboe_route(id_priv);
+ else if (rdma_tech_iwarp(id->device, id->port_num))
ret = cma_resolve_iw_route(id_priv, timeout_ms);
- break;
- default:
+ else
ret = -ENOSYS;
- break;
- }
+
if (ret)
goto err;

diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index 45d67e9..7331c6c 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -722,26 +722,13 @@ static ssize_t ucma_query_route(struct ucma_file *file,

resp.node_guid = (__force __u64) ctx->cm_id->device->node_guid;
resp.port_num = ctx->cm_id->port_num;
- switch (rdma_node_get_transport(ctx->cm_id->device->node_type)) {
- case RDMA_TRANSPORT_IB:
- switch (rdma_port_get_link_layer(ctx->cm_id->device,
- ctx->cm_id->port_num)) {
- case IB_LINK_LAYER_INFINIBAND:
- ucma_copy_ib_route(&resp, &ctx->cm_id->route);
- break;
- case IB_LINK_LAYER_ETHERNET:
- ucma_copy_iboe_route(&resp, &ctx->cm_id->route);
- break;
- default:
- break;
- }
- break;
- case RDMA_TRANSPORT_IWARP:
+
+ if (rdma_tech_ib(ctx->cm_id->device, ctx->cm_id->port_num))
+ ucma_copy_ib_route(&resp, &ctx->cm_id->route);
+ else if (rdma_tech_iboe(ctx->cm_id->device, ctx->cm_id->port_num))
+ ucma_copy_iboe_route(&resp, &ctx->cm_id->route);
+ else if (rdma_tech_iwarp(ctx->cm_id->device, ctx->cm_id->port_num))
ucma_copy_iw_route(&resp, &ctx->cm_id->route);
- break;
- default:
- break;
- }

out:
if (copy_to_user((void __user *)(unsigned long)cmd.response,
--
2.1.0

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