diff options
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/core/nldev.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c index 28b4ed8f9930..8cb3851d212e 100644 --- a/drivers/infiniband/core/nldev.c +++ b/drivers/infiniband/core/nldev.c @@ -117,6 +117,8 @@ static const struct nla_policy nldev_policy[RDMA_NLDEV_ATTR_MAX] = { [RDMA_NLDEV_ATTR_LINK_TYPE] = { .type = NLA_NUL_STRING, .len = RDMA_NLDEV_ATTR_ENTRY_STRLEN }, [RDMA_NLDEV_SYS_ATTR_NETNS_MODE] = { .type = NLA_U8 }, + [RDMA_NLDEV_ATTR_DEV_PROTOCOL] = { .type = NLA_NUL_STRING, + .len = RDMA_NLDEV_ATTR_ENTRY_STRLEN }, }; static int put_driver_name_print_type(struct sk_buff *msg, const char *name, @@ -199,6 +201,8 @@ static int fill_nldev_handle(struct sk_buff *msg, struct ib_device *device) static int fill_dev_info(struct sk_buff *msg, struct ib_device *device) { char fw[IB_FW_VERSION_NAME_MAX]; + int ret = 0; + u8 port; if (fill_nldev_handle(msg, device)) return -EMSGSIZE; @@ -227,7 +231,25 @@ static int fill_dev_info(struct sk_buff *msg, struct ib_device *device) return -EMSGSIZE; if (nla_put_u8(msg, RDMA_NLDEV_ATTR_DEV_NODE_TYPE, device->node_type)) return -EMSGSIZE; - return 0; + + /* + * Link type is determined on first port and mlx4 device + * which can potentially have two different link type for the same + * IB device is considered as better to be avoided in the future, + */ + port = rdma_start_port(device); + if (rdma_cap_opa_mad(device, port)) + ret = nla_put_string(msg, RDMA_NLDEV_ATTR_DEV_PROTOCOL, "opa"); + else if (rdma_protocol_ib(device, port)) + ret = nla_put_string(msg, RDMA_NLDEV_ATTR_DEV_PROTOCOL, "ib"); + else if (rdma_protocol_iwarp(device, port)) + ret = nla_put_string(msg, RDMA_NLDEV_ATTR_DEV_PROTOCOL, "iw"); + else if (rdma_protocol_roce(device, port)) + ret = nla_put_string(msg, RDMA_NLDEV_ATTR_DEV_PROTOCOL, "roce"); + else if (rdma_protocol_usnic(device, port)) + ret = nla_put_string(msg, RDMA_NLDEV_ATTR_DEV_PROTOCOL, + "usnic"); + return ret; } static int fill_port_info(struct sk_buff *msg, |