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RDMA/cxgb3: Report correct port state and MTU 

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
hifive-unleashed-5.1
Steve Wise 2009-05-27 14:42:36 -07:00 committed by Roland Dreier
parent 210af919c9
commit 7ab1a2b31d
1 changed files with 30 additions and 2 deletions
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32
drivers/infiniband/hw/cxgb3/iwch_provider.c
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@ -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;
props->active_mtu = IB_MTU_2048;
props->state = IB_PORT_ACTIVE;
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 |