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-rw-r--r--drivers/infiniband/core/cma.c2
-rw-r--r--drivers/infiniband/core/multicast.c40
2 files changed, 27 insertions, 15 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index fca2854749e5..40b2609e076b 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -3988,6 +3988,8 @@ static int cma_ib_mc_handler(int status, struct ib_sa_multicast *multicast)
event.event = RDMA_CM_EVENT_MULTICAST_ERROR;
ret = id_priv->id.event_handler(&id_priv->id, &event);
+
+ rdma_destroy_ah_attr(&event.param.ud.ah_attr);
if (ret) {
cma_exch(id_priv, RDMA_CM_DESTROYING);
mutex_unlock(&id_priv->handler_mutex);
diff --git a/drivers/infiniband/core/multicast.c b/drivers/infiniband/core/multicast.c
index 6c48f4193dda..d50ff70bb24b 100644
--- a/drivers/infiniband/core/multicast.c
+++ b/drivers/infiniband/core/multicast.c
@@ -716,14 +716,28 @@ int ib_sa_get_mcmember_rec(struct ib_device *device, u8 port_num,
}
EXPORT_SYMBOL(ib_sa_get_mcmember_rec);
+/**
+ * ib_init_ah_from_mcmember - Initialize AH attribute from multicast
+ * member record and gid of the device.
+ * @device: RDMA device
+ * @port_num: Port of the rdma device to consider
+ * @ndev: Optional netdevice, applicable only for RoCE
+ * @gid_type: GID type to consider
+ * @ah_attr: AH attribute to fillup on successful completion
+ *
+ * ib_init_ah_from_mcmember() initializes AH attribute based on multicast
+ * member record and other device properties. On success the caller is
+ * responsible to call rdma_destroy_ah_attr on the ah_attr. Returns 0 on
+ * success or appropriate error code.
+ *
+ */
int ib_init_ah_from_mcmember(struct ib_device *device, u8 port_num,
struct ib_sa_mcmember_rec *rec,
struct net_device *ndev,
enum ib_gid_type gid_type,
struct rdma_ah_attr *ah_attr)
{
- int ret;
- u16 gid_index;
+ const struct ib_gid_attr *sgid_attr;
/* GID table is not based on the netdevice for IB link layer,
* so ignore ndev during search.
@@ -733,26 +747,22 @@ int ib_init_ah_from_mcmember(struct ib_device *device, u8 port_num,
else if (!rdma_protocol_roce(device, port_num))
return -EINVAL;
- ret = ib_find_cached_gid_by_port(device, &rec->port_gid,
- gid_type, port_num,
- ndev,
- &gid_index);
- if (ret)
- return ret;
+ sgid_attr = rdma_find_gid_by_port(device, &rec->port_gid,
+ gid_type, port_num, ndev);
+ if (IS_ERR(sgid_attr))
+ return PTR_ERR(sgid_attr);
- memset(ah_attr, 0, sizeof *ah_attr);
+ memset(ah_attr, 0, sizeof(*ah_attr));
ah_attr->type = rdma_ah_find_type(device, port_num);
rdma_ah_set_dlid(ah_attr, be16_to_cpu(rec->mlid));
rdma_ah_set_sl(ah_attr, rec->sl);
rdma_ah_set_port_num(ah_attr, port_num);
rdma_ah_set_static_rate(ah_attr, rec->rate);
-
- rdma_ah_set_grh(ah_attr, &rec->mgid,
- be32_to_cpu(rec->flow_label),
- (u8)gid_index,
- rec->hop_limit,
- rec->traffic_class);
+ rdma_move_grh_sgid_attr(ah_attr, &rec->mgid,
+ be32_to_cpu(rec->flow_label),
+ rec->hop_limit, rec->traffic_class,
+ sgid_attr);
return 0;
}
EXPORT_SYMBOL(ib_init_ah_from_mcmember);