From b4b7ff4b08e691656c9d77c758fc355833128ac0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andr=C3=A9=20Fabian=20Silva=20Delgado?= Date: Wed, 20 Jan 2016 14:01:31 -0300 Subject: Linux-libre 4.4-gnu --- drivers/infiniband/hw/mlx4/ah.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) (limited to 'drivers/infiniband/hw/mlx4/ah.c') diff --git a/drivers/infiniband/hw/mlx4/ah.c b/drivers/infiniband/hw/mlx4/ah.c index 1688a17de..86af71351 100644 --- a/drivers/infiniband/hw/mlx4/ah.c +++ b/drivers/infiniband/hw/mlx4/ah.c @@ -76,7 +76,10 @@ static struct ib_ah *create_iboe_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr struct mlx4_dev *dev = ibdev->dev; int is_mcast = 0; struct in6_addr in6; - u16 vlan_tag; + u16 vlan_tag = 0xffff; + union ib_gid sgid; + struct ib_gid_attr gid_attr; + int ret; memcpy(&in6, ah_attr->grh.dgid.raw, sizeof(in6)); if (rdma_is_multicast_addr(&in6)) { @@ -85,7 +88,17 @@ static struct ib_ah *create_iboe_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr } else { memcpy(ah->av.eth.mac, ah_attr->dmac, ETH_ALEN); } - vlan_tag = ah_attr->vlan_id; + ret = ib_get_cached_gid(pd->device, ah_attr->port_num, + ah_attr->grh.sgid_index, &sgid, &gid_attr); + if (ret) + return ERR_PTR(ret); + memset(ah->av.eth.s_mac, 0, ETH_ALEN); + if (gid_attr.ndev) { + if (is_vlan_dev(gid_attr.ndev)) + vlan_tag = vlan_dev_vlan_id(gid_attr.ndev); + memcpy(ah->av.eth.s_mac, gid_attr.ndev->dev_addr, ETH_ALEN); + dev_put(gid_attr.ndev); + } if (vlan_tag < 0x1000) vlan_tag |= (ah_attr->sl & 7) << 13; ah->av.eth.port_pd = cpu_to_be32(to_mpd(pd)->pdn | (ah_attr->port_num << 24)); -- cgit v1.2.3