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authorParav Pandit <parav@mellanox.com>2017-10-16 08:45:13 +0300
committerDoug Ledford <dledford@redhat.com>2017-10-18 12:10:36 -0400
commitc0348eb069687a2f27c0cd23dafb35918edf9e75 (patch)
treefd46a31b2d81cf5fc817f31146ecc27d9ecf1d50 /drivers/infiniband/hw/hns
parent5cda6587feec790a089703dde2e6e1f82de50bbd (diff)
downloadlinux-c0348eb069687a2f27c0cd23dafb35918edf9e75.tar.bz2
IB: Let ib_core resolve destination mac address
Since IB/core resolves the destination mac address for user and kernel consumers, avoid resolving in multiple provider drivers. Only ib_core resolves DMAC now, therefore resolve_eth_dmac is removed as exported symbol. Signed-off-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/hns')
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_ah.c14
1 files changed, 1 insertions, 13 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_ah.c b/drivers/infiniband/hw/hns/hns_roce_ah.c
index d545302b8ef8..05bab4a39d91 100644
--- a/drivers/infiniband/hw/hns/hns_roce_ah.c
+++ b/drivers/infiniband/hw/hns/hns_roce_ah.c
@@ -48,7 +48,6 @@ struct ib_ah *hns_roce_create_ah(struct ib_pd *ibpd,
struct ib_gid_attr gid_attr;
struct hns_roce_ah *ah;
u16 vlan_tag = 0xffff;
- struct in6_addr in6;
const struct ib_global_route *grh = rdma_ah_read_grh(ah_attr);
union ib_gid sgid;
int ret;
@@ -58,18 +57,7 @@ struct ib_ah *hns_roce_create_ah(struct ib_pd *ibpd,
return ERR_PTR(-ENOMEM);
/* Get mac address */
- memcpy(&in6, grh->dgid.raw, sizeof(grh->dgid.raw));
- if (rdma_is_multicast_addr(&in6)) {
- rdma_get_mcast_mac(&in6, ah->av.mac);
- } else {
- u8 *dmac = rdma_ah_retrieve_dmac(ah_attr);
-
- if (!dmac) {
- kfree(ah);
- return ERR_PTR(-EINVAL);
- }
- memcpy(ah->av.mac, dmac, ETH_ALEN);
- }
+ memcpy(ah->av.mac, ah_attr->roce.dmac, ETH_ALEN);
/* Get source gid */
ret = ib_get_cached_gid(ibpd->device, rdma_ah_get_port_num(ah_attr),