Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 8ad330a0 authored by Eli Cohen's avatar Eli Cohen Committed by Roland Dreier
Browse files

IB/core: Add link layer type information to sysfs 



Since an IB transport port may use either IB or Ethernet as its link layer,
add the file /sys/class/infiniband/<device>/ports/<port_num>/link_layer to
show the link layer for the port.

Signed-off-by: default avatarEli Cohen <eli@mellanox.co.il>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent 4c3eb3ca

drivers/infiniband/core/sysfs.c

+15 −0
Original line number Diff line number Diff line
@@ -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

};