From d8966fcd4c25708c3a76ea7619644218373df639 Mon Sep 17 00:00:00 2001 From: Dasaratharaman Chandramouli Date: Sat, 29 Apr 2017 14:41:28 -0400 Subject: IB/core: Use rdma_ah_attr accessor functions Modify core and driver components to use accessor functions introduced to access individual fields of rdma_ah_attr Reviewed-by: Ira Weiny Reviewed-by: Don Hiatt Reviewed-by: Sean Hefty Reviewed-by: Niranjana Vishwanathapura Signed-off-by: Dasaratharaman Chandramouli Signed-off-by: Doug Ledford --- drivers/infiniband/hw/ocrdma/ocrdma.h | 2 +- drivers/infiniband/hw/ocrdma/ocrdma_ah.c | 54 ++++++++++++++++------------- drivers/infiniband/hw/ocrdma/ocrdma_hw.c | 21 ++++++----- drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 38 ++++++++++---------- 4 files changed, 62 insertions(+), 53 deletions(-) (limited to 'drivers/infiniband/hw/ocrdma') diff --git a/drivers/infiniband/hw/ocrdma/ocrdma.h b/drivers/infiniband/hw/ocrdma/ocrdma.h index 49ea7b6cbebe..afcbd2acf835 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma.h @@ -531,7 +531,7 @@ static inline int ocrdma_resolve_dmac(struct ocrdma_dev *dev, { struct in6_addr in6; - memcpy(&in6, ah_attr->grh.dgid.raw, sizeof(in6)); + memcpy(&in6, rdma_ah_read_grh(ah_attr)->dgid.raw, sizeof(in6)); if (rdma_is_multicast_addr(&in6)) rdma_get_mcast_mac(&in6, mac_addr); else if (rdma_link_local_addr(&in6)) diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c index 71723db83e9b..97a829d98ffe 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c @@ -81,6 +81,7 @@ static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah, u16 proto_num = 0; u8 nxthdr = 0x11; struct iphdr ipv4; + const struct ib_global_route *ib_grh; union { struct sockaddr _sockaddr; struct sockaddr_in _sockaddr_in; @@ -120,32 +121,33 @@ static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah, status = ocrdma_resolve_dmac(dev, attr, ð.dmac[0]); if (status) return status; - ah->sgid_index = attr->grh.sgid_index; + ib_grh = rdma_ah_read_grh(attr); + ah->sgid_index = ib_grh->sgid_index; /* Eth HDR */ memcpy(&ah->av->eth_hdr, ð, eth_sz); if (ah->hdr_type == RDMA_NETWORK_IPV4) { *((__be16 *)&ipv4) = htons((4 << 12) | (5 << 8) | - attr->grh.traffic_class); + ib_grh->traffic_class); ipv4.id = cpu_to_be16(pdid); ipv4.frag_off = htons(IP_DF); ipv4.tot_len = htons(0); - ipv4.ttl = attr->grh.hop_limit; + ipv4.ttl = ib_grh->hop_limit; ipv4.protocol = nxthdr; rdma_gid2ip(&sgid_addr._sockaddr, sgid); ipv4.saddr = sgid_addr._sockaddr_in.sin_addr.s_addr; - rdma_gid2ip(&dgid_addr._sockaddr, &attr->grh.dgid); + rdma_gid2ip(&dgid_addr._sockaddr, &ib_grh->dgid); ipv4.daddr = dgid_addr._sockaddr_in.sin_addr.s_addr; memcpy((u8 *)ah->av + eth_sz, &ipv4, sizeof(struct iphdr)); } else { memcpy(&grh.sgid[0], sgid->raw, sizeof(union ib_gid)); grh.tclass_flow = cpu_to_be32((6 << 28) | - (attr->grh.traffic_class << 24) | - attr->grh.flow_label); - memcpy(&grh.dgid[0], attr->grh.dgid.raw, - sizeof(attr->grh.dgid.raw)); + (ib_grh->traffic_class << 24) | + ib_grh->flow_label); + memcpy(&grh.dgid[0], ib_grh->dgid.raw, + sizeof(ib_grh->dgid.raw)); grh.pdid_hoplimit = cpu_to_be32((pdid << 16) | (nxthdr << 8) | - attr->grh.hop_limit); + ib_grh->hop_limit); memcpy((u8 *)ah->av + eth_sz, &grh, sizeof(struct ocrdma_grh)); } if (*isvlan) @@ -165,11 +167,13 @@ struct ib_ah *ocrdma_create_ah(struct ib_pd *ibpd, struct rdma_ah_attr *attr, struct ib_gid_attr sgid_attr; struct ocrdma_pd *pd = get_ocrdma_pd(ibpd); struct ocrdma_dev *dev = get_ocrdma_dev(ibpd->device); + const struct ib_global_route *grh; union ib_gid sgid; - if (!(attr->ah_flags & IB_AH_GRH)) + if (!(rdma_ah_get_ah_flags(attr) & IB_AH_GRH)) return ERR_PTR(-EINVAL); + grh = rdma_ah_read_grh(attr); if (atomic_cmpxchg(&dev->update_sl, 1, 0)) ocrdma_init_service_level(dev); @@ -181,7 +185,7 @@ struct ib_ah *ocrdma_create_ah(struct ib_pd *ibpd, struct rdma_ah_attr *attr, if (status) goto av_err; - status = ib_get_cached_gid(&dev->ibdev, 1, attr->grh.sgid_index, &sgid, + status = ib_get_cached_gid(&dev->ibdev, 1, grh->sgid_index, &sgid, &sgid_attr); if (status) { pr_err("%s(): Failed to query sgid, status = %d\n", @@ -197,10 +201,11 @@ struct ib_ah *ocrdma_create_ah(struct ib_pd *ibpd, struct rdma_ah_attr *attr, ah->hdr_type = ib_gid_to_network_type(sgid_attr.gid_type, &sgid); if ((pd->uctx) && - (!rdma_is_multicast_addr((struct in6_addr *)attr->grh.dgid.raw)) && - (!rdma_link_local_addr((struct in6_addr *)attr->grh.dgid.raw))) { - status = rdma_addr_find_l2_eth_by_grh(&sgid, &attr->grh.dgid, - attr->dmac, &vlan_tag, + (!rdma_is_multicast_addr((struct in6_addr *)grh->dgid.raw)) && + (!rdma_link_local_addr((struct in6_addr *)grh->dgid.raw))) { + status = rdma_addr_find_l2_eth_by_grh(&sgid, &grh->dgid, + attr->dmac, + &vlan_tag, &sgid_attr.ndev->ifindex, NULL); if (status) { @@ -216,7 +221,7 @@ struct ib_ah *ocrdma_create_ah(struct ib_pd *ibpd, struct rdma_ah_attr *attr, /* if pd is for the user process, pass the ah_id to user space */ if ((pd->uctx) && (pd->uctx->ah_tbl.va)) { - ahid_addr = pd->uctx->ah_tbl.va + attr->dlid; + ahid_addr = pd->uctx->ah_tbl.va + rdma_ah_get_dlid(attr); *ahid_addr = 0; *ahid_addr |= ah->id & OCRDMA_AH_ID_MASK; if (ocrdma_is_udp_encap_supported(dev)) { @@ -253,21 +258,22 @@ int ocrdma_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *attr) struct ocrdma_ah *ah = get_ocrdma_ah(ibah); struct ocrdma_av *av = ah->av; struct ocrdma_grh *grh; - attr->ah_flags |= IB_AH_GRH; + if (ah->av->valid & OCRDMA_AV_VALID) { grh = (struct ocrdma_grh *)((u8 *)ah->av + sizeof(struct ocrdma_eth_vlan)); - attr->sl = be16_to_cpu(av->eth_hdr.vlan_tag) >> 13; + rdma_ah_set_sl(attr, be16_to_cpu(av->eth_hdr.vlan_tag) >> 13); } else { grh = (struct ocrdma_grh *)((u8 *)ah->av + sizeof(struct ocrdma_eth_basic)); - attr->sl = 0; + rdma_ah_set_sl(attr, 0); } - memcpy(&attr->grh.dgid.raw[0], &grh->dgid[0], sizeof(grh->dgid)); - attr->grh.sgid_index = ah->sgid_index; - attr->grh.hop_limit = be32_to_cpu(grh->pdid_hoplimit) & 0xff; - attr->grh.traffic_class = be32_to_cpu(grh->tclass_flow) >> 24; - attr->grh.flow_label = be32_to_cpu(grh->tclass_flow) & 0x00ffffffff; + rdma_ah_set_grh(attr, NULL, + be32_to_cpu(grh->tclass_flow) & 0xffffffff, + ah->sgid_index, + be32_to_cpu(grh->pdid_hoplimit) & 0xff, + be32_to_cpu(grh->tclass_flow) >> 24); + rdma_ah_set_dgid_raw(attr, &grh->dgid[0]); return 0; } diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c index 0ca52fa920a5..dcb5942f9fb5 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c @@ -2510,25 +2510,28 @@ static int ocrdma_set_av_params(struct ocrdma_qp *qp, struct sockaddr_in6 _sockaddr_in6; } sgid_addr, dgid_addr; struct ocrdma_dev *dev = get_ocrdma_dev(qp->ibqp.device); + const struct ib_global_route *grh; - if ((ah_attr->ah_flags & IB_AH_GRH) == 0) + if ((rdma_ah_get_ah_flags(ah_attr) & IB_AH_GRH) == 0) return -EINVAL; + grh = rdma_ah_read_grh(ah_attr); if (atomic_cmpxchg(&dev->update_sl, 1, 0)) ocrdma_init_service_level(dev); cmd->params.tclass_sq_psn |= - (ah_attr->grh.traffic_class << OCRDMA_QP_PARAMS_TCLASS_SHIFT); + (grh->traffic_class << OCRDMA_QP_PARAMS_TCLASS_SHIFT); cmd->params.rnt_rc_sl_fl |= - (ah_attr->grh.flow_label & OCRDMA_QP_PARAMS_FLOW_LABEL_MASK); - cmd->params.rnt_rc_sl_fl |= (ah_attr->sl << OCRDMA_QP_PARAMS_SL_SHIFT); + (grh->flow_label & OCRDMA_QP_PARAMS_FLOW_LABEL_MASK); + cmd->params.rnt_rc_sl_fl |= (rdma_ah_get_sl(ah_attr) << + OCRDMA_QP_PARAMS_SL_SHIFT); cmd->params.hop_lmt_rq_psn |= - (ah_attr->grh.hop_limit << OCRDMA_QP_PARAMS_HOP_LMT_SHIFT); + (grh->hop_limit << OCRDMA_QP_PARAMS_HOP_LMT_SHIFT); cmd->flags |= OCRDMA_QP_PARA_FLOW_LBL_VALID; /* GIDs */ - memcpy(&cmd->params.dgid[0], &ah_attr->grh.dgid.raw[0], + memcpy(&cmd->params.dgid[0], &grh->dgid.raw[0], sizeof(cmd->params.dgid)); - status = ib_get_cached_gid(&dev->ibdev, 1, ah_attr->grh.sgid_index, + status = ib_get_cached_gid(&dev->ibdev, 1, grh->sgid_index, &sgid, &sgid_attr); if (!status && sgid_attr.ndev) { vlan_id = rdma_vlan_dev_vlan_id(sgid_attr.ndev); @@ -2540,7 +2543,7 @@ static int ocrdma_set_av_params(struct ocrdma_qp *qp, if (!memcmp(&sgid, &zgid, sizeof(zgid))) return -EINVAL; - qp->sgid_idx = ah_attr->grh.sgid_index; + qp->sgid_idx = grh->sgid_index; memcpy(&cmd->params.sgid[0], &sgid.raw[0], sizeof(cmd->params.sgid)); status = ocrdma_resolve_dmac(dev, ah_attr, &mac_addr[0]); if (status) @@ -2551,7 +2554,7 @@ static int ocrdma_set_av_params(struct ocrdma_qp *qp, hdr_type = ib_gid_to_network_type(sgid_attr.gid_type, &sgid); if (hdr_type == RDMA_NETWORK_IPV4) { rdma_gid2ip(&sgid_addr._sockaddr, &sgid); - rdma_gid2ip(&dgid_addr._sockaddr, &ah_attr->grh.dgid); + rdma_gid2ip(&dgid_addr._sockaddr, &grh->dgid); memcpy(&cmd->params.dgid[0], &dgid_addr._sockaddr_in.sin_addr.s_addr, 4); memcpy(&cmd->params.sgid[0], diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index c57e387b55a2..caec48c6e1ec 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -1598,23 +1598,23 @@ int ocrdma_query_qp(struct ib_qp *ibqp, qp_attr->cap.max_recv_sge = qp->rq.max_sges; qp_attr->cap.max_inline_data = qp->max_inline_data; qp_init_attr->cap = qp_attr->cap; - memcpy(&qp_attr->ah_attr.grh.dgid, ¶ms.dgid[0], - sizeof(params.dgid)); - qp_attr->ah_attr.grh.flow_label = params.rnt_rc_sl_fl & - OCRDMA_QP_PARAMS_FLOW_LABEL_MASK; - qp_attr->ah_attr.grh.sgid_index = qp->sgid_idx; - qp_attr->ah_attr.grh.hop_limit = (params.hop_lmt_rq_psn & - OCRDMA_QP_PARAMS_HOP_LMT_MASK) >> - OCRDMA_QP_PARAMS_HOP_LMT_SHIFT; - qp_attr->ah_attr.grh.traffic_class = (params.tclass_sq_psn & - OCRDMA_QP_PARAMS_TCLASS_MASK) >> - OCRDMA_QP_PARAMS_TCLASS_SHIFT; - - qp_attr->ah_attr.ah_flags = IB_AH_GRH; - qp_attr->ah_attr.port_num = 1; - qp_attr->ah_attr.sl = (params.rnt_rc_sl_fl & - OCRDMA_QP_PARAMS_SL_MASK) >> - OCRDMA_QP_PARAMS_SL_SHIFT; + + rdma_ah_set_grh(&qp_attr->ah_attr, NULL, + params.rnt_rc_sl_fl & + OCRDMA_QP_PARAMS_FLOW_LABEL_MASK, + qp->sgid_idx, + (params.hop_lmt_rq_psn & + OCRDMA_QP_PARAMS_HOP_LMT_MASK) >> + OCRDMA_QP_PARAMS_HOP_LMT_SHIFT, + (params.tclass_sq_psn & + OCRDMA_QP_PARAMS_TCLASS_MASK) >> + OCRDMA_QP_PARAMS_TCLASS_SHIFT); + rdma_ah_set_dgid_raw(&qp_attr->ah_attr, ¶ms.dgid[0]); + + rdma_ah_set_port_num(&qp_attr->ah_attr, 1); + rdma_ah_set_sl(&qp_attr->ah_attr, (params.rnt_rc_sl_fl & + OCRDMA_QP_PARAMS_SL_MASK) >> + OCRDMA_QP_PARAMS_SL_SHIFT); qp_attr->timeout = (params.ack_to_rnr_rtc_dest_qpn & OCRDMA_QP_PARAMS_ACK_TIMEOUT_MASK) >> OCRDMA_QP_PARAMS_ACK_TIMEOUT_SHIFT; @@ -1627,8 +1627,8 @@ int ocrdma_query_qp(struct ib_qp *ibqp, qp_attr->min_rnr_timer = 0; qp_attr->pkey_index = 0; qp_attr->port_num = 1; - qp_attr->ah_attr.src_path_bits = 0; - qp_attr->ah_attr.static_rate = 0; + rdma_ah_set_path_bits(&qp_attr->ah_attr, 0); + rdma_ah_set_static_rate(&qp_attr->ah_attr, 0); qp_attr->alt_pkey_index = 0; qp_attr->alt_port_num = 0; qp_attr->alt_timeout = 0; -- cgit v1.2.3