lkml.org 
[lkml]   [2015]   [Apr]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v5 11/27] IB/Verbs: Reform route related part in IB-core cma
On Mon, Apr 20, 2015 at 10:37:13AM +0200, Michael Wang wrote:
>
> 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>

Reviewed-by: Ira Weiny <ira.weiny@intel.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


\
 
 \ /
  Last update: 2015-04-22 02:21    [W:0.660 / U:8.012 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site