diff options
| -rw-r--r-- | drivers/infiniband/core/verbs.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index 30fdc3ae1bbd..e8006677b01c 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -1244,6 +1244,18 @@ int ib_resolve_eth_dmac(struct ib_device *device, if (rdma_link_local_addr((struct in6_addr *)grh->dgid.raw)) { rdma_get_ll_mac((struct in6_addr *)grh->dgid.raw, ah_attr->roce.dmac); + return 0; + } + if (rdma_is_multicast_addr((struct in6_addr *)ah_attr->grh.dgid.raw)) { + if (ipv6_addr_v4mapped((struct in6_addr *)ah_attr->grh.dgid.raw)) { + __be32 addr = 0; + + memcpy(&addr, ah_attr->grh.dgid.raw + 12, 4); + ip_eth_mc_map(addr, (char *)ah_attr->roce.dmac); + } else { + ipv6_eth_mc_map((struct in6_addr *)ah_attr->grh.dgid.raw, + (char *)ah_attr->roce.dmac); + } } else { union ib_gid sgid; struct ib_gid_attr sgid_attr; |