Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland...

[cascardo/linux.git] / drivers / infiniband / hw / nes / nes_cm.c

diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c
index 5327f2b..5242515 100644 (file)
--- a/drivers/infiniband/hw/nes/nes_cm.c
+++ b/drivers/infiniband/hw/nes/nes_cm.c
@@ -2629,12 +2629,14 @@ static int nes_disconnect(struct nes_qp *nesqp, int abrupt)
        int ret = 0;
        struct nes_vnic *nesvnic;
        struct nes_device *nesdev;
+       struct nes_ib_device *nesibdev;
 
        nesvnic = to_nesvnic(nesqp->ibqp.device);
        if (!nesvnic)
                return -EINVAL;
 
        nesdev = nesvnic->nesdev;
+       nesibdev = nesvnic->nesibdev;
 
        nes_debug(NES_DBG_CM, "netdev refcnt = %u.\n",
                        atomic_read(&nesvnic->netdev->refcnt));
@@ -2646,6 +2648,8 @@ static int nes_disconnect(struct nes_qp *nesqp, int abrupt)
        } else {
                /* Need to free the Last Streaming Mode Message */
                if (nesqp->ietf_frame) {
+                       if (nesqp->lsmm_mr)
+                               nesibdev->ibdev.dereg_mr(nesqp->lsmm_mr);
                        pci_free_consistent(nesdev->pcidev,
                                        nesqp->private_data_len+sizeof(struct ietf_mpa_frame),
                                        nesqp->ietf_frame, nesqp->ietf_frame_pbase);
@@ -2682,6 +2686,12 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
        u32 crc_value;
        int ret;
        int passive_state;
+       struct nes_ib_device *nesibdev;
+       struct ib_mr *ibmr = NULL;
+       struct ib_phys_buf ibphysbuf;
+       struct nes_pd *nespd;
+
+
 
        ibqp = nes_get_qp(cm_id->device, conn_param->qpn);
        if (!ibqp)
@@ -2740,6 +2750,26 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
        if (cm_id->remote_addr.sin_addr.s_addr !=
                        cm_id->local_addr.sin_addr.s_addr) {
                u64temp = (unsigned long)nesqp;
+               nesibdev = nesvnic->nesibdev;
+               nespd = nesqp->nespd;
+               ibphysbuf.addr = nesqp->ietf_frame_pbase;
+               ibphysbuf.size = conn_param->private_data_len +
+                                       sizeof(struct ietf_mpa_frame);
+               ibmr = nesibdev->ibdev.reg_phys_mr((struct ib_pd *)nespd,
+                                               &ibphysbuf, 1,
+                                               IB_ACCESS_LOCAL_WRITE,
+                                               (u64 *)&nesqp->ietf_frame);
+               if (!ibmr) {
+                       nes_debug(NES_DBG_CM, "Unable to register memory region"
+                                       "for lSMM for cm_node = %p \n",
+                                       cm_node);
+                       return -ENOMEM;
+               }
+
+               ibmr->pd = &nespd->ibpd;
+               ibmr->device = nespd->ibpd.device;
+               nesqp->lsmm_mr = ibmr;
+
                u64temp |= NES_SW_CONTEXT_ALIGN>>1;
                set_wqe_64bit_value(wqe->wqe_words,
                        NES_IWARP_SQ_WQE_COMP_CTX_LOW_IDX,
@@ -2750,14 +2780,13 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
                wqe->wqe_words[NES_IWARP_SQ_WQE_TOTAL_PAYLOAD_IDX] =
                        cpu_to_le32(conn_param->private_data_len +
                        sizeof(struct ietf_mpa_frame));
-               wqe->wqe_words[NES_IWARP_SQ_WQE_FRAG0_LOW_IDX] =
-                       cpu_to_le32((u32)nesqp->ietf_frame_pbase);
-               wqe->wqe_words[NES_IWARP_SQ_WQE_FRAG0_HIGH_IDX] =
-                       cpu_to_le32((u32)((u64)nesqp->ietf_frame_pbase >> 32));
+               set_wqe_64bit_value(wqe->wqe_words,
+                                       NES_IWARP_SQ_WQE_FRAG0_LOW_IDX,
+                                       (u64)nesqp->ietf_frame);
                wqe->wqe_words[NES_IWARP_SQ_WQE_LENGTH0_IDX] =
                        cpu_to_le32(conn_param->private_data_len +
                        sizeof(struct ietf_mpa_frame));
-               wqe->wqe_words[NES_IWARP_SQ_WQE_STAG0_IDX] = 0;
+               wqe->wqe_words[NES_IWARP_SQ_WQE_STAG0_IDX] = ibmr->lkey;
 
                nesqp->nesqp_context->ird_ord_sizes |=
                        cpu_to_le32(NES_QPCONTEXT_ORDIRD_LSMM_PRESENT |