From: Devesh Sharma <devesh.sharma@xxxxxxxxxx> To support RoCE-V2 this patch implements following changes 1. Get the GID-type for a given sgid. 2. Based on the gid type get IPv4 L3 address and give those to FW. 3. Provide l3-type to FW. Signed-off-by: Somnath Kotur <somnath.kotur@xxxxxxxxxx> Signed-off-by: Devesh Sharma <devesh.sharma@xxxxxxxxxx> --- drivers/infiniband/hw/ocrdma/ocrdma_hw.c | 28 +++++++++++++++++++++++++++- 1 files changed, 27 insertions(+), 1 deletions(-) diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c index cb98911..237b62c 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c @@ -2433,7 +2433,13 @@ static int ocrdma_set_av_params(struct ocrdma_qp *qp, union ib_gid sgid, zgid; struct ib_gid_attr sgid_attr; u32 vlan_id = 0xffff; - u8 mac_addr[6]; + u8 mac_addr[6], hdr_type; + union { + struct sockaddr _sockaddr; + struct sockaddr_in _sockaddr_in; + struct sockaddr_in6 _sockaddr_in6; + } sgid_addr, dgid_addr; + struct ocrdma_dev *dev = get_ocrdma_dev(qp->ibqp.device); if ((ah_attr->ah_flags & IB_AH_GRH) == 0) @@ -2448,6 +2454,8 @@ static int ocrdma_set_av_params(struct ocrdma_qp *qp, cmd->params.hop_lmt_rq_psn |= (ah_attr->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], sizeof(cmd->params.dgid)); @@ -2471,6 +2479,19 @@ static int ocrdma_set_av_params(struct ocrdma_qp *qp, return status; cmd->params.dmac_b0_to_b3 = mac_addr[0] | (mac_addr[1] << 8) | (mac_addr[2] << 16) | (mac_addr[3] << 24); + hdr_type = ib_gid_to_network_type(sgid_attr.gid_type, &sgid); + if (hdr_type == RDMA_NETWORK_IPV4) { + status = rdma_gid2ip(&sgid_addr._sockaddr, &sgid); + if (status) + return status; + status = rdma_gid2ip(&dgid_addr._sockaddr, &ah_attr->grh.dgid); + if (status) + return status; + memcpy(&cmd->params.dgid[0], + &dgid_addr._sockaddr_in.sin_addr.s_addr, 4); + memcpy(&cmd->params.sgid[0], + &sgid_addr._sockaddr_in.sin_addr.s_addr, 4); + } /* convert them to LE format. */ ocrdma_cpu_to_le32(&cmd->params.dgid[0], sizeof(cmd->params.dgid)); ocrdma_cpu_to_le32(&cmd->params.sgid[0], sizeof(cmd->params.sgid)); @@ -2482,6 +2503,11 @@ static int ocrdma_set_av_params(struct ocrdma_qp *qp, cmd->params.rnt_rc_sl_fl |= (dev->sl & 0x07) << OCRDMA_QP_PARAMS_SL_SHIFT; } + + cmd->params.max_sge_recv_flags |= + ((hdr_type << + OCRDMA_QP_PARAMS_FLAGS_L3_TYPE_SHIFT) & + OCRDMA_QP_PARAMS_FLAGS_L3_TYPE_MASK); return 0; } -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html