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-rw-r--r--drivers/infiniband/core/sysfs.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c
index 3627300e2a1..9ab5df72df7 100644
--- a/drivers/infiniband/core/sysfs.c
+++ b/drivers/infiniband/core/sysfs.c
@@ -222,6 +222,19 @@ static ssize_t phys_state_show(struct ib_port *p, struct port_attribute *unused,
}
}
+static ssize_t link_layer_show(struct ib_port *p, struct port_attribute *unused,
+ char *buf)
+{
+ switch (rdma_port_get_link_layer(p->ibdev, p->port_num)) {
+ case IB_LINK_LAYER_INFINIBAND:
+ return sprintf(buf, "%s\n", "InfiniBand");
+ case IB_LINK_LAYER_ETHERNET:
+ return sprintf(buf, "%s\n", "Ethernet");
+ default:
+ return sprintf(buf, "%s\n", "Unknown");
+ }
+}
+
static PORT_ATTR_RO(state);
static PORT_ATTR_RO(lid);
static PORT_ATTR_RO(lid_mask_count);
@@ -230,6 +243,7 @@ static PORT_ATTR_RO(sm_sl);
static PORT_ATTR_RO(cap_mask);
static PORT_ATTR_RO(rate);
static PORT_ATTR_RO(phys_state);
+static PORT_ATTR_RO(link_layer);
static struct attribute *port_default_attrs[] = {
&port_attr_state.attr,
@@ -240,6 +254,7 @@ static struct attribute *port_default_attrs[] = {
&port_attr_cap_mask.attr,
&port_attr_rate.attr,
&port_attr_phys_state.attr,
+ &port_attr_link_layer.attr,
NULL
};