aboutsummaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
authorSteve Wise <swise@opengridcomputing.com>2011-01-21 03:40:46 +0000
committerRoland Dreier <roland@purestorage.com>2011-01-28 16:34:05 -0800
commite86f8b06f5fa884a84c22b2dcd0df37ed0a75827 (patch)
tree4aaf6a46755752417f6eff901dcaf5afe0fbec15 /drivers
parenta25cecce88194b2edf38b8c3b1665e9318eb2d22 (diff)
downloadkernel_samsung_espresso10-e86f8b06f5fa884a84c22b2dcd0df37ed0a75827.zip
kernel_samsung_espresso10-e86f8b06f5fa884a84c22b2dcd0df37ed0a75827.tar.gz
kernel_samsung_espresso10-e86f8b06f5fa884a84c22b2dcd0df37ed0a75827.tar.bz2
RDMA/ucma: Copy iWARP route information on queries
For iWARP rdma_cm ids, the "route" information is the L2 src and next hop addresses. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/infiniband/core/ucma.c22
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index ca12acf..ec1e9da 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -636,6 +636,16 @@ static void ucma_copy_iboe_route(struct rdma_ucm_query_route_resp *resp,
}
}
+static void ucma_copy_iw_route(struct rdma_ucm_query_route_resp *resp,
+ struct rdma_route *route)
+{
+ struct rdma_dev_addr *dev_addr;
+
+ dev_addr = &route->addr.dev_addr;
+ rdma_addr_get_dgid(dev_addr, (union ib_gid *) &resp->ib_route[0].dgid);
+ rdma_addr_get_sgid(dev_addr, (union ib_gid *) &resp->ib_route[0].sgid);
+}
+
static ssize_t ucma_query_route(struct ucma_file *file,
const char __user *inbuf,
int in_len, int out_len)
@@ -670,8 +680,10 @@ 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;
- if (rdma_node_get_transport(ctx->cm_id->device->node_type) == RDMA_TRANSPORT_IB) {
- switch (rdma_port_get_link_layer(ctx->cm_id->device, 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;
@@ -681,6 +693,12 @@ static ssize_t ucma_query_route(struct ucma_file *file,
default:
break;
}
+ break;
+ case RDMA_TRANSPORT_IWARP:
+ ucma_copy_iw_route(&resp, &ctx->cm_id->route);
+ break;
+ default:
+ break;
}
out: