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Commit 7ab1a2b3 authored by Steve Wise's avatar Steve Wise Committed by Roland Dreier
Browse files

RDMA/cxgb3: Report correct port state and MTU 



Signed-off-by: default avatarSteve Wise <swise@opengridcomputing.com>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent 210af919

drivers/infiniband/hw/cxgb3/iwch_provider.c

+30 −2
Original line number Diff line number Diff line
@@ -40,6 +40,7 @@ 
#include <linux/spinlock.h>

#include <linux/ethtool.h>

#include <linux/rtnetlink.h>

#include <linux/inetdevice.h>



#include <asm/io.h>

#include <asm/irq.h>
@@ -1152,12 +1153,39 @@ static int iwch_query_device(struct ib_device *ibdev, 
static int iwch_query_port(struct ib_device *ibdev,

			   u8 port, struct ib_port_attr *props)

{

	struct iwch_dev *dev;

	struct net_device *netdev;

	struct in_device *inetdev;



	PDBG("%s ibdev %p\n", __func__, ibdev);



	dev = to_iwch_dev(ibdev);

	netdev = dev->rdev.port_info.lldevs[port-1];



	memset(props, 0, sizeof(struct ib_port_attr));

	props->max_mtu = IB_MTU_4096;

	if (netdev->mtu >= 4096)

		props->active_mtu = IB_MTU_4096;

	else if (netdev->mtu >= 2048)

		props->active_mtu = IB_MTU_2048;

	else if (netdev->mtu >= 1024)

		props->active_mtu = IB_MTU_1024;

	else if (netdev->mtu >= 512)

		props->active_mtu = IB_MTU_512;

	else

		props->active_mtu = IB_MTU_256;



	if (!netif_carrier_ok(netdev))

		props->state = IB_PORT_DOWN;

	else {

		inetdev = in_dev_get(netdev);

		if (inetdev->ifa_list)

			props->state = IB_PORT_ACTIVE;

		else

			props->state = IB_PORT_INIT;

		in_dev_put(inetdev);

	}



	props->port_cap_flags =

	    IB_PORT_CM_SUP |

	    IB_PORT_SNMP_TUNNEL_SUP |