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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>
This commit is contained in:
Steve Wise 2011-01-21 03:40:46 +00:00 committed by Roland Dreier
parent a25cecce88
commit e86f8b06f5
1 changed files with 20 additions and 2 deletions
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22
drivers/infiniband/core/ucma.c
View File

@ -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: