diff options
Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_ah.c')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_ah.c | 62 |
1 files changed, 35 insertions, 27 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_ah.c b/drivers/infiniband/hw/hns/hns_roce_ah.c index 0ac294db3b29..f78a733a63ec 100644 --- a/drivers/infiniband/hw/hns/hns_roce_ah.c +++ b/drivers/infiniband/hw/hns/hns_roce_ah.c @@ -39,7 +39,8 @@ #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 ib_ah_attr *ah_attr, +struct ib_ah *hns_roce_create_ah(struct ib_pd *ibpd, + struct rdma_ah_attr *ah_attr, struct ib_udata *udata) { struct hns_roce_dev *hr_dev = to_hr_dev(ibpd->device); @@ -48,6 +49,7 @@ struct ib_ah *hns_roce_create_ah(struct ib_pd *ibpd, struct ib_ah_attr *ah_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; @@ -56,15 +58,20 @@ struct ib_ah *hns_roce_create_ah(struct ib_pd *ibpd, struct ib_ah_attr *ah_attr, return ERR_PTR(-ENOMEM); /* Get mac address */ - memcpy(&in6, ah_attr->grh.dgid.raw, sizeof(ah_attr->grh.dgid.raw)); - if (rdma_is_multicast_addr(&in6)) + memcpy(&in6, grh->dgid.raw, sizeof(grh->dgid.raw)); + if (rdma_is_multicast_addr(&in6)) { rdma_get_mcast_mac(&in6, ah->av.mac); - else - memcpy(ah->av.mac, ah_attr->dmac, sizeof(ah_attr->dmac)); + } else { + u8 *dmac = rdma_ah_retrieve_dmac(ah_attr); + + if (!dmac) + return ERR_PTR(-EINVAL); + memcpy(ah->av.mac, dmac, ETH_ALEN); + } /* Get source gid */ - ret = ib_get_cached_gid(ibpd->device, ah_attr->port_num, - ah_attr->grh.sgid_index, &sgid, &gid_attr); + ret = ib_get_cached_gid(ibpd->device, rdma_ah_get_port_num(ah_attr), + grh->sgid_index, &sgid, &gid_attr); if (ret) { dev_err(dev, "get sgid failed! ret = %d\n", ret); kfree(ah); @@ -78,45 +85,46 @@ struct ib_ah *hns_roce_create_ah(struct ib_pd *ibpd, struct ib_ah_attr *ah_attr, } if (vlan_tag < 0x1000) - vlan_tag |= (ah_attr->sl & HNS_ROCE_VLAN_SL_BIT_MASK) << + 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_attr->port_num << + ah->av.port_pd = cpu_to_be32(to_hr_pd(ibpd)->pdn | + (rdma_ah_get_port_num(ah_attr) << HNS_ROCE_PORT_NUM_SHIFT)); - ah->av.gid_index = ah_attr->grh.sgid_index; + ah->av.gid_index = grh->sgid_index; ah->av.vlan = cpu_to_le16(vlan_tag); dev_dbg(dev, "gid_index = 0x%x,vlan = 0x%x\n", ah->av.gid_index, ah->av.vlan); - if (ah_attr->static_rate) + if (rdma_ah_get_static_rate(ah_attr)) ah->av.stat_rate = IB_RATE_10_GBPS; - memcpy(ah->av.dgid, ah_attr->grh.dgid.raw, HNS_ROCE_GID_SIZE); - ah->av.sl_tclass_flowlabel = cpu_to_le32(ah_attr->sl << + memcpy(ah->av.dgid, grh->dgid.raw, HNS_ROCE_GID_SIZE); + ah->av.sl_tclass_flowlabel = cpu_to_le32(rdma_ah_get_sl(ah_attr) << HNS_ROCE_SL_SHIFT); return &ah->ibah; } -int hns_roce_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr) +int hns_roce_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr) { struct hns_roce_ah *ah = to_hr_ah(ibah); memset(ah_attr, 0, sizeof(*ah_attr)); - ah_attr->sl = le32_to_cpu(ah->av.sl_tclass_flowlabel) >> - HNS_ROCE_SL_SHIFT; - ah_attr->port_num = le32_to_cpu(ah->av.port_pd) >> - HNS_ROCE_PORT_NUM_SHIFT; - ah_attr->static_rate = ah->av.stat_rate; - ah_attr->ah_flags = IB_AH_GRH; - ah_attr->grh.traffic_class = le32_to_cpu(ah->av.sl_tclass_flowlabel) >> - HNS_ROCE_TCLASS_SHIFT; - ah_attr->grh.flow_label = le32_to_cpu(ah->av.sl_tclass_flowlabel) & - HNS_ROCE_FLOW_LABLE_MASK; - ah_attr->grh.hop_limit = ah->av.hop_limit; - ah_attr->grh.sgid_index = ah->av.gid_index; - memcpy(ah_attr->grh.dgid.raw, ah->av.dgid, HNS_ROCE_GID_SIZE); + rdma_ah_set_sl(ah_attr, (le32_to_cpu(ah->av.sl_tclass_flowlabel) >> + HNS_ROCE_SL_SHIFT)); + rdma_ah_set_port_num(ah_attr, (le32_to_cpu(ah->av.port_pd) >> + HNS_ROCE_PORT_NUM_SHIFT)); + rdma_ah_set_static_rate(ah_attr, ah->av.stat_rate); + rdma_ah_set_grh(ah_attr, NULL, + (le32_to_cpu(ah->av.sl_tclass_flowlabel) & + HNS_ROCE_FLOW_LABLE_MASK), ah->av.gid_index, + ah->av.hop_limit, + (le32_to_cpu(ah->av.sl_tclass_flowlabel) >> + HNS_ROCE_TCLASS_SHIFT)); + rdma_ah_set_dgid_raw(ah_attr, ah->av.dgid); return 0; } |