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authorSelvin Xavier <selvin.xavier@emulex.com>2014-06-10 19:32:25 +0530
committerRoland Dreier <roland@purestorage.com>2014-08-01 15:07:49 -0700
commitb8806324ea0b242bcf0cf5740f2ceb1e56381c36 (patch)
treec8d0af3070bdae5a365a3791a702750dbcde4bc1 /drivers/infiniband
parent4f1df8440d26bafe0be6ef4dbf17162a1263d3fc (diff)
RDMA/ocrdma: Initialize the GID table while registering the device
Current GID table gets updated only at the time of inet notification. Fix this by initializing the table at the time of device registration. Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com> Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com> Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_main.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
index 0d90c7f75a6f..256a06bc0b68 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
@@ -388,6 +388,58 @@ static void ocrdma_remove_sysfiles(struct ocrdma_dev *dev)
device_remove_file(&dev->ibdev.dev, ocrdma_attributes[i]);
}
+static void ocrdma_init_ipv4_gids(struct ocrdma_dev *dev,
+ struct net_device *net)
+{
+ struct in_device *in_dev;
+ union ib_gid gid;
+ in_dev = in_dev_get(net);
+ if (in_dev) {
+ for_ifa(in_dev) {
+ ipv6_addr_set_v4mapped(ifa->ifa_address,
+ (struct in6_addr *)&gid);
+ ocrdma_add_sgid(dev, &gid);
+ }
+ endfor_ifa(in_dev);
+ in_dev_put(in_dev);
+ }
+}
+
+static void ocrdma_init_ipv6_gids(struct ocrdma_dev *dev,
+ struct net_device *net)
+{
+#if IS_ENABLED(CONFIG_IPV6)
+ struct inet6_dev *in6_dev;
+ union ib_gid *pgid;
+ struct inet6_ifaddr *ifp;
+ in6_dev = in6_dev_get(net);
+ if (in6_dev) {
+ read_lock_bh(&in6_dev->lock);
+ list_for_each_entry(ifp, &in6_dev->addr_list, if_list) {
+ pgid = (union ib_gid *)&ifp->addr;
+ ocrdma_add_sgid(dev, pgid);
+ }
+ read_unlock_bh(&in6_dev->lock);
+ in6_dev_put(in6_dev);
+ }
+#endif
+}
+
+static void ocrdma_init_gid_table(struct ocrdma_dev *dev)
+{
+ struct net_device *net_dev;
+
+ for_each_netdev(&init_net, net_dev) {
+ struct net_device *real_dev = rdma_vlan_dev_real_dev(net_dev) ?
+ rdma_vlan_dev_real_dev(net_dev) : net_dev;
+
+ if (real_dev == dev->nic_info.netdev) {
+ ocrdma_init_ipv4_gids(dev, net_dev);
+ ocrdma_init_ipv6_gids(dev, net_dev);
+ }
+ }
+}
+
static struct ocrdma_dev *ocrdma_add(struct be_dev_info *dev_info)
{
int status = 0, i;
@@ -416,6 +468,7 @@ static struct ocrdma_dev *ocrdma_add(struct be_dev_info *dev_info)
goto alloc_err;
ocrdma_init_service_level(dev);
+ ocrdma_init_gid_table(dev);
status = ocrdma_register_device(dev);
if (status)
goto alloc_err;