From 5ac08a341303dd2105d7b5dc26b38b0d85ac726b Mon Sep 17 00:00:00 2001 From: Parav Pandit Date: Tue, 13 Mar 2018 16:06:15 +0200 Subject: IB/cma: Use rdma_protocol_roce() and remove cma_protocol_roce_dev_port() rdma_protocol_roce() API from the ib_core already provides a way to detect whether a given device+port is RoCE or not. Therefore, make use of it and avoid implementing it again in rdmacm module. Reviewed-by: Daniel Jurgens Signed-off-by: Parav Pandit Signed-off-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe --- drivers/infiniband/core/cma.c | 15 +++------------ 1 file changed, 3 insertions(+), 12 deletions(-) (limited to 'drivers/infiniband/core/cma.c') diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 720ef15a5ec8..34fa0507ed4f 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -1407,21 +1407,12 @@ static bool cma_match_private_data(struct rdma_id_private *id_priv, return true; } -static bool cma_protocol_roce_dev_port(struct ib_device *device, int port_num) -{ - enum rdma_link_layer ll = rdma_port_get_link_layer(device, port_num); - enum rdma_transport_type transport = - rdma_node_get_transport(device->node_type); - - return ll == IB_LINK_LAYER_ETHERNET && transport == RDMA_TRANSPORT_IB; -} - static bool cma_protocol_roce(const struct rdma_cm_id *id) { struct ib_device *device = id->device; const int port_num = id->port_num ?: rdma_start_port(device); - return cma_protocol_roce_dev_port(device, port_num); + return rdma_protocol_roce(device, port_num); } static bool cma_match_net_dev(const struct rdma_cm_id *id, @@ -1434,7 +1425,7 @@ static bool cma_match_net_dev(const struct rdma_cm_id *id, /* This request is an AF_IB request or a RoCE request */ return (!id->port_num || id->port_num == port_num) && (addr->src_addr.ss_family == AF_IB || - cma_protocol_roce_dev_port(id->device, port_num)); + rdma_protocol_roce(id->device, port_num)); return !addr->dev_addr.bound_dev_if || (net_eq(dev_net(net_dev), addr->dev_addr.net) && @@ -1489,7 +1480,7 @@ static struct rdma_id_private *cma_id_from_event(struct ib_cm_id *cm_id, if (PTR_ERR(*net_dev) == -EAFNOSUPPORT) { /* Assuming the protocol is AF_IB */ *net_dev = NULL; - } else if (cma_protocol_roce_dev_port(req.device, req.port)) { + } else if (rdma_protocol_roce(req.device, req.port)) { /* TODO find the net dev matching the request parameters * through the RoCE GID table */ *net_dev = NULL; -- cgit v1.2.3-59-g8ed1b