diff options
| author | Devesh Sharma <devesh.sharma@avagotech.com> | 2016-01-28 16:59:58 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-03-01 01:12:10 +0300 |
| commit | bcf117e2cf6f451b46780e0660e9ae7ab33a33ea (patch) | |
| tree | 15e742febea9836d3e9991c04a3986b9b3de656b /drivers/infiniband/hw/ocrdma | |
| parent | 6b0626679d81626eac47cba7940f1435ec480b2e (diff) | |
| download | linux-bcf117e2cf6f451b46780e0660e9ae7ab33a33ea.tar.xz | |
RDMA/ocrdma: Support RoCE-v2 in the RC path
This patch implements following changes to support RoCE-v2
in the RC path:
* Get the GID-type for a given sgid.
* Based on the GID-type get IPv4/IPv6 L3-address
and give those to underlying device.
* Resolve and provide network header type to device.
Signed-off-by: Somnath Kotur <somnath.kotur@avagotech.com>
Signed-off-by: Devesh Sharma <devesh.sharma@avagotech.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/ocrdma')
| -rw-r--r-- | drivers/infiniband/hw/ocrdma/ocrdma_hw.c | 23 | ||||
| -rw-r--r-- | drivers/infiniband/hw/ocrdma/ocrdma_sli.h | 2 |
2 files changed, 23 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c index aea7f1761907..2cfbf15962c6 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c @@ -2504,7 +2504,12 @@ 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) @@ -2519,6 +2524,8 @@ 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)); @@ -2541,6 +2548,16 @@ 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) { + rdma_gid2ip(&sgid_addr._sockaddr, &sgid); + rdma_gid2ip(&dgid_addr._sockaddr, &ah_attr->grh.dgid); + 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)); @@ -2561,7 +2578,9 @@ 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; } diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h index 3d15948cbf7c..0efc9662c6d8 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h @@ -1112,6 +1112,8 @@ enum { OCRDMA_QP_PARAMS_STATE_MASK = BIT(5) | BIT(6) | BIT(7), OCRDMA_QP_PARAMS_FLAGS_SQD_ASYNC = BIT(8), OCRDMA_QP_PARAMS_FLAGS_INB_ATEN = BIT(9), + OCRDMA_QP_PARAMS_FLAGS_L3_TYPE_SHIFT = 11, + OCRDMA_QP_PARAMS_FLAGS_L3_TYPE_MASK = BIT(11) | BIT(12) | BIT(13), OCRDMA_QP_PARAMS_MAX_SGE_RECV_SHIFT = 16, OCRDMA_QP_PARAMS_MAX_SGE_RECV_MASK = 0xFFFF << OCRDMA_QP_PARAMS_MAX_SGE_RECV_SHIFT, |