diff options
| author | Steve Wise <swise@opengridcomputing.com> | 2009-05-27 14:42:36 -0700 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2009-05-27 14:42:36 -0700 |
| commit | 7ab1a2b31d4a8b4f519ccff5a84c53a5b87fd1be (patch) | |
| tree | d11363c949e8f15b3f933e3839374dacef0429ac /drivers/infiniband | |
| parent | 210af919c949a7d6bd330916ef376cec2907d81e (diff) | |
| download | linux-7ab1a2b31d4a8b4f519ccff5a84c53a5b87fd1be.tar.bz2 | |
RDMA/cxgb3: Report correct port state and MTU
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/cxgb3/iwch_provider.c | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c index 160ef482712d..e2a63214008a 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.c +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c @@ -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 | |