aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/infiniband/core
diff options
context:
space:
mode:
authorDoug Ledford <dledford@redhat.com>2017-07-27 09:00:38 -0400
committerDoug Ledford <dledford@redhat.com>2017-07-27 09:00:38 -0400
commita5f66725c7748a6831005a091b4aa9d18abb3b03 (patch)
treeb282b84f1c106bf00e8112979721567a91dfb86a /drivers/infiniband/core
parentMerge branches 'rxe' and 'mlx' into k.o/for-next (diff)
parentRDMA/qedr: notify user application of supported WIDs (diff)
downloadlinux-dev-a5f66725c7748a6831005a091b4aa9d18abb3b03.tar.xz
linux-dev-a5f66725c7748a6831005a091b4aa9d18abb3b03.zip
Merge branch 'misc' into k.o/for-next
Diffstat (limited to 'drivers/infiniband/core')
-rw-r--r--drivers/infiniband/core/cma.c9
-rw-r--r--drivers/infiniband/core/roce_gid_mgmt.c2
-rw-r--r--drivers/infiniband/core/verbs.c55
3 files changed, 64 insertions, 2 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index a8c2f0ccd225..2d1fb8205ff0 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -72,6 +72,7 @@ MODULE_LICENSE("Dual BSD/GPL");
#define CMA_MAX_CM_RETRIES 15
#define CMA_CM_MRA_SETTING (IB_CM_MRA_FLAG_DELAY | 24)
#define CMA_IBOE_PACKET_LIFETIME 18
+#define CMA_PREFERRED_ROCE_GID_TYPE IB_GID_TYPE_ROCE_UDP_ENCAP
static const char * const cma_events[] = {
[RDMA_CM_EVENT_ADDR_RESOLVED] = "address resolved",
@@ -4281,8 +4282,12 @@ static void cma_add_one(struct ib_device *device)
for (i = rdma_start_port(device); i <= rdma_end_port(device); i++) {
supported_gids = roce_gid_type_mask_support(device, i);
WARN_ON(!supported_gids);
- cma_dev->default_gid_type[i - rdma_start_port(device)] =
- find_first_bit(&supported_gids, BITS_PER_LONG);
+ if (supported_gids & CMA_PREFERRED_ROCE_GID_TYPE)
+ cma_dev->default_gid_type[i - rdma_start_port(device)] =
+ CMA_PREFERRED_ROCE_GID_TYPE;
+ else
+ cma_dev->default_gid_type[i - rdma_start_port(device)] =
+ find_first_bit(&supported_gids, BITS_PER_LONG);
cma_dev->default_roce_tos[i - rdma_start_port(device)] = 0;
}
diff --git a/drivers/infiniband/core/roce_gid_mgmt.c b/drivers/infiniband/core/roce_gid_mgmt.c
index 94a9eefb3cfc..90e3889b7fbe 100644
--- a/drivers/infiniband/core/roce_gid_mgmt.c
+++ b/drivers/infiniband/core/roce_gid_mgmt.c
@@ -44,6 +44,8 @@
static struct workqueue_struct *gid_cache_wq;
+static struct workqueue_struct *gid_cache_wq;
+
enum gid_op_type {
GID_DEL = 0,
GID_ADD
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index e8006677b01c..3d1de62de839 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -1314,6 +1314,61 @@ int ib_modify_qp_with_udata(struct ib_qp *qp, struct ib_qp_attr *attr,
}
EXPORT_SYMBOL(ib_modify_qp_with_udata);
+int ib_get_eth_speed(struct ib_device *dev, u8 port_num, u8 *speed, u8 *width)
+{
+ int rc;
+ u32 netdev_speed;
+ struct net_device *netdev;
+ struct ethtool_link_ksettings lksettings;
+
+ if (rdma_port_get_link_layer(dev, port_num) != IB_LINK_LAYER_ETHERNET)
+ return -EINVAL;
+
+ if (!dev->get_netdev)
+ return -EOPNOTSUPP;
+
+ netdev = dev->get_netdev(dev, port_num);
+ if (!netdev)
+ return -ENODEV;
+
+ rtnl_lock();
+ rc = __ethtool_get_link_ksettings(netdev, &lksettings);
+ rtnl_unlock();
+
+ dev_put(netdev);
+
+ if (!rc) {
+ netdev_speed = lksettings.base.speed;
+ } else {
+ netdev_speed = SPEED_1000;
+ pr_warn("%s speed is unknown, defaulting to %d\n", netdev->name,
+ netdev_speed);
+ }
+
+ if (netdev_speed <= SPEED_1000) {
+ *width = IB_WIDTH_1X;
+ *speed = IB_SPEED_SDR;
+ } else if (netdev_speed <= SPEED_10000) {
+ *width = IB_WIDTH_1X;
+ *speed = IB_SPEED_FDR10;
+ } else if (netdev_speed <= SPEED_20000) {
+ *width = IB_WIDTH_4X;
+ *speed = IB_SPEED_DDR;
+ } else if (netdev_speed <= SPEED_25000) {
+ *width = IB_WIDTH_1X;
+ *speed = IB_SPEED_EDR;
+ } else if (netdev_speed <= SPEED_40000) {
+ *width = IB_WIDTH_4X;
+ *speed = IB_SPEED_FDR10;
+ } else {
+ *width = IB_WIDTH_4X;
+ *speed = IB_SPEED_EDR;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(ib_get_eth_speed);
+
int ib_modify_qp(struct ib_qp *qp,
struct ib_qp_attr *qp_attr,
int qp_attr_mask)