diff options
Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_ah.c')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_ah.c | 36 |
1 files changed, 15 insertions, 21 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_ah.c b/drivers/infiniband/hw/hns/hns_roce_ah.c index b3c8c45ec1e3..cdd2ac24fc2a 100644 --- a/drivers/infiniband/hw/hns/hns_roce_ah.c +++ b/drivers/infiniband/hw/hns/hns_roce_ah.c @@ -39,38 +39,34 @@ #define HNS_ROCE_VLAN_SL_BIT_MASK 7 #define HNS_ROCE_VLAN_SL_SHIFT 13 -struct ib_ah *hns_roce_create_ah(struct ib_pd *ibpd, - struct rdma_ah_attr *ah_attr, - u32 flags, - struct ib_udata *udata) +int hns_roce_create_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr, + u32 flags, struct ib_udata *udata) { - struct hns_roce_dev *hr_dev = to_hr_dev(ibpd->device); + struct hns_roce_dev *hr_dev = to_hr_dev(ibah->device); const struct ib_gid_attr *gid_attr; struct device *dev = hr_dev->dev; - struct hns_roce_ah *ah; + struct hns_roce_ah *ah = to_hr_ah(ibah); u16 vlan_tag = 0xffff; const struct ib_global_route *grh = rdma_ah_read_grh(ah_attr); bool vlan_en = false; + int ret; - ah = kzalloc(sizeof(*ah), GFP_ATOMIC); - if (!ah) - return ERR_PTR(-ENOMEM); + gid_attr = ah_attr->grh.sgid_attr; + ret = rdma_read_gid_l2_fields(gid_attr, &vlan_tag, NULL); + if (ret) + return ret; /* Get mac address */ memcpy(ah->av.mac, ah_attr->roce.dmac, ETH_ALEN); - gid_attr = ah_attr->grh.sgid_attr; - if (is_vlan_dev(gid_attr->ndev)) { - vlan_tag = vlan_dev_vlan_id(gid_attr->ndev); + if (vlan_tag < VLAN_CFI_MASK) { vlan_en = true; - } - - if (vlan_tag < 0x1000) vlan_tag |= (rdma_ah_get_sl(ah_attr) & HNS_ROCE_VLAN_SL_BIT_MASK) << HNS_ROCE_VLAN_SL_SHIFT; + } - ah->av.port_pd = cpu_to_be32(to_hr_pd(ibpd)->pdn | + ah->av.port_pd = cpu_to_le32(to_hr_pd(ibah->pd)->pdn | (rdma_ah_get_port_num(ah_attr) << HNS_ROCE_PORT_NUM_SHIFT)); ah->av.gid_index = grh->sgid_index; @@ -86,7 +82,7 @@ struct ib_ah *hns_roce_create_ah(struct ib_pd *ibpd, ah->av.sl_tclass_flowlabel = cpu_to_le32(rdma_ah_get_sl(ah_attr) << HNS_ROCE_SL_SHIFT); - return &ah->ibah; + return 0; } int hns_roce_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr) @@ -111,9 +107,7 @@ int hns_roce_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr) return 0; } -int hns_roce_destroy_ah(struct ib_ah *ah, u32 flags) +void hns_roce_destroy_ah(struct ib_ah *ah, u32 flags) { - kfree(to_hr_ah(ah)); - - return 0; + return; } |