From 7ab1a2b31d4a8b4f519ccff5a84c53a5b87fd1be Mon Sep 17 00:00:00 2001 From: Steve Wise Date: Wed, 27 May 2009 14:42:36 -0700 Subject: [PATCH] RDMA/cxgb3: Report correct port state and MTU Signed-off-by: Steve Wise Signed-off-by: Roland Dreier --- drivers/infiniband/hw/cxgb3/iwch_provider.c | 32 +++++++++++++++++++++++++++-- 1 file changed, 30 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c index 160ef482..e2a6321 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.c +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c @@ -40,6 +40,7 @@ #include #include #include +#include #include #include @@ -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 | -- 2.7.4