diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/infiniband/hw/cxgb4/qp.c | 5 | ||||
-rw-r--r-- | drivers/infiniband/hw/i40iw/i40iw_ctrl.c | 25 | ||||
-rw-r--r-- | drivers/infiniband/hw/i40iw/i40iw_puda.c | 2 | ||||
-rw-r--r-- | drivers/infiniband/hw/i40iw/i40iw_type.h | 4 | ||||
-rw-r--r-- | drivers/infiniband/hw/i40iw/i40iw_ucontext.h | 4 | ||||
-rw-r--r-- | drivers/infiniband/hw/i40iw/i40iw_uk.c | 17 | ||||
-rw-r--r-- | drivers/infiniband/hw/i40iw/i40iw_user.h | 4 | ||||
-rw-r--r-- | drivers/infiniband/hw/i40iw/i40iw_verbs.c | 21 | ||||
-rw-r--r-- | drivers/infiniband/hw/i40iw/i40iw_verbs.h | 1 | ||||
-rw-r--r-- | drivers/infiniband/hw/qedr/verbs.c | 35 | ||||
-rw-r--r-- | drivers/infiniband/sw/rxe/rxe_comp.c | 2 | ||||
-rw-r--r-- | drivers/infiniband/sw/rxe/rxe_net.c | 3 | ||||
-rw-r--r-- | drivers/infiniband/sw/rxe/rxe_qp.c | 1 | ||||
-rw-r--r-- | drivers/infiniband/sw/rxe/rxe_resp.c | 3 |
14 files changed, 86 insertions, 41 deletions
diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c index b7ac97b27c88..cda5542e13a2 100644 --- a/drivers/infiniband/hw/cxgb4/qp.c +++ b/drivers/infiniband/hw/cxgb4/qp.c @@ -321,7 +321,8 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq, FW_RI_RES_WR_DCAEN_V(0) | FW_RI_RES_WR_DCACPU_V(0) | FW_RI_RES_WR_FBMIN_V(2) | - FW_RI_RES_WR_FBMAX_V(2) | + (t4_sq_onchip(&wq->sq) ? FW_RI_RES_WR_FBMAX_V(2) : + FW_RI_RES_WR_FBMAX_V(3)) | FW_RI_RES_WR_CIDXFTHRESHO_V(0) | FW_RI_RES_WR_CIDXFTHRESH_V(0) | FW_RI_RES_WR_EQSIZE_V(eqsize)); @@ -345,7 +346,7 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq, FW_RI_RES_WR_DCAEN_V(0) | FW_RI_RES_WR_DCACPU_V(0) | FW_RI_RES_WR_FBMIN_V(2) | - FW_RI_RES_WR_FBMAX_V(2) | + FW_RI_RES_WR_FBMAX_V(3) | FW_RI_RES_WR_CIDXFTHRESHO_V(0) | FW_RI_RES_WR_CIDXFTHRESH_V(0) | FW_RI_RES_WR_EQSIZE_V(eqsize)); diff --git a/drivers/infiniband/hw/i40iw/i40iw_ctrl.c b/drivers/infiniband/hw/i40iw/i40iw_ctrl.c index 392f78384a60..98923a8cf86d 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_ctrl.c +++ b/drivers/infiniband/hw/i40iw/i40iw_ctrl.c @@ -358,13 +358,16 @@ void i40iw_qp_add_qos(struct i40iw_sc_qp *qp) * @dev: sc device struct * @pd: sc pd ptr * @pd_id: pd_id for allocated pd + * @abi_ver: ABI version from user context, -1 if not valid */ static void i40iw_sc_pd_init(struct i40iw_sc_dev *dev, struct i40iw_sc_pd *pd, - u16 pd_id) + u16 pd_id, + int abi_ver) { pd->size = sizeof(*pd); pd->pd_id = pd_id; + pd->abi_ver = abi_ver; pd->dev = dev; } @@ -2252,6 +2255,7 @@ static enum i40iw_status_code i40iw_sc_qp_init(struct i40iw_sc_qp *qp, offset); info->qp_uk_init_info.wqe_alloc_reg = wqe_alloc_reg; + info->qp_uk_init_info.abi_ver = qp->pd->abi_ver; ret_code = i40iw_qp_uk_init(&qp->qp_uk, &info->qp_uk_init_info); if (ret_code) return ret_code; @@ -2270,10 +2274,21 @@ static enum i40iw_status_code i40iw_sc_qp_init(struct i40iw_sc_qp *qp, false); i40iw_debug(qp->dev, I40IW_DEBUG_WQE, "%s: hw_sq_size[%04d] sq_ring.size[%04d]\n", __func__, qp->hw_sq_size, qp->qp_uk.sq_ring.size); - ret_code = i40iw_fragcnt_to_wqesize_rq(qp->qp_uk.max_rq_frag_cnt, - &wqe_size); - if (ret_code) - return ret_code; + + switch (qp->pd->abi_ver) { + case 4: + ret_code = i40iw_fragcnt_to_wqesize_rq(qp->qp_uk.max_rq_frag_cnt, + &wqe_size); + if (ret_code) + return ret_code; + break; + case 5: /* fallthrough until next ABI version */ + default: + if (qp->qp_uk.max_rq_frag_cnt > I40IW_MAX_WQ_FRAGMENT_COUNT) + return I40IW_ERR_INVALID_FRAG_COUNT; + wqe_size = I40IW_MAX_WQE_SIZE_RQ; + break; + } qp->hw_rq_size = i40iw_get_encoded_wqe_size(qp->qp_uk.rq_size * (wqe_size / I40IW_QP_WQE_MIN_SIZE), false); i40iw_debug(qp->dev, I40IW_DEBUG_WQE, diff --git a/drivers/infiniband/hw/i40iw/i40iw_puda.c b/drivers/infiniband/hw/i40iw/i40iw_puda.c index 449ba8c81ce7..db41ab40da9c 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_puda.c +++ b/drivers/infiniband/hw/i40iw/i40iw_puda.c @@ -930,7 +930,7 @@ enum i40iw_status_code i40iw_puda_create_rsrc(struct i40iw_sc_vsi *vsi, INIT_LIST_HEAD(&rsrc->txpend); rsrc->tx_wqe_avail_cnt = info->sq_size - 1; - dev->iw_pd_ops->pd_init(dev, &rsrc->sc_pd, info->pd_id); + dev->iw_pd_ops->pd_init(dev, &rsrc->sc_pd, info->pd_id, -1); rsrc->qp_id = info->qp_id; rsrc->cq_id = info->cq_id; rsrc->sq_size = info->sq_size; diff --git a/drivers/infiniband/hw/i40iw/i40iw_type.h b/drivers/infiniband/hw/i40iw/i40iw_type.h index f3f8e9cc3c05..7b76259752b0 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_type.h +++ b/drivers/infiniband/hw/i40iw/i40iw_type.h @@ -280,6 +280,7 @@ struct i40iw_sc_pd { u32 size; struct i40iw_sc_dev *dev; u16 pd_id; + int abi_ver; }; struct i40iw_cqp_quanta { @@ -852,6 +853,7 @@ struct i40iw_qp_init_info { u64 host_ctx_pa; u64 q2_pa; u64 shadow_area_pa; + int abi_ver; u8 sq_tph_val; u8 rq_tph_val; u8 type; @@ -1051,7 +1053,7 @@ struct i40iw_aeq_ops { }; struct i40iw_pd_ops { - void (*pd_init)(struct i40iw_sc_dev *, struct i40iw_sc_pd *, u16); + void (*pd_init)(struct i40iw_sc_dev *, struct i40iw_sc_pd *, u16, int); }; struct i40iw_priv_qp_ops { diff --git a/drivers/infiniband/hw/i40iw/i40iw_ucontext.h b/drivers/infiniband/hw/i40iw/i40iw_ucontext.h index 12acd688def4..57d3f1d11ff1 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_ucontext.h +++ b/drivers/infiniband/hw/i40iw/i40iw_ucontext.h @@ -39,8 +39,8 @@ #include <linux/types.h> -#define I40IW_ABI_USERSPACE_VER 4 -#define I40IW_ABI_KERNEL_VER 4 +#define I40IW_ABI_VER 5 + struct i40iw_alloc_ucontext_req { __u32 reserved32; __u8 userspace_ver; diff --git a/drivers/infiniband/hw/i40iw/i40iw_uk.c b/drivers/infiniband/hw/i40iw/i40iw_uk.c index 4376cd628774..2800f796271c 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_uk.c +++ b/drivers/infiniband/hw/i40iw/i40iw_uk.c @@ -966,10 +966,6 @@ enum i40iw_status_code i40iw_qp_uk_init(struct i40iw_qp_uk *qp, if (ret_code) return ret_code; - ret_code = i40iw_get_wqe_shift(info->rq_size, info->max_rq_frag_cnt, 0, &rqshift); - if (ret_code) - return ret_code; - qp->sq_base = info->sq; qp->rq_base = info->rq; qp->shadow_area = info->shadow_area; @@ -998,8 +994,19 @@ enum i40iw_status_code i40iw_qp_uk_init(struct i40iw_qp_uk *qp, if (!qp->use_srq) { qp->rq_size = info->rq_size; qp->max_rq_frag_cnt = info->max_rq_frag_cnt; - qp->rq_wqe_size = rqshift; I40IW_RING_INIT(qp->rq_ring, qp->rq_size); + switch (info->abi_ver) { + case 4: + ret_code = i40iw_get_wqe_shift(info->rq_size, info->max_rq_frag_cnt, 0, &rqshift); + if (ret_code) + return ret_code; + break; + case 5: /* fallthrough until next ABI version */ + default: + rqshift = I40IW_MAX_RQ_WQE_SHIFT; + break; + } + qp->rq_wqe_size = rqshift; qp->rq_wqe_size_multiplier = 4 << rqshift; } qp->ops = iw_qp_uk_ops; diff --git a/drivers/infiniband/hw/i40iw/i40iw_user.h b/drivers/infiniband/hw/i40iw/i40iw_user.h index 80d9f464f65e..84be6f13b9c5 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_user.h +++ b/drivers/infiniband/hw/i40iw/i40iw_user.h @@ -76,6 +76,7 @@ enum i40iw_device_capabilities_const { I40IW_MAX_ORD_SIZE = 127, I40IW_MAX_WQ_ENTRIES = 2048, I40IW_Q2_BUFFER_SIZE = (248 + 100), + I40IW_MAX_WQE_SIZE_RQ = 128, I40IW_QP_CTX_SIZE = 248, I40IW_MAX_PDS = 32768 }; @@ -97,6 +98,7 @@ enum i40iw_device_capabilities_const { #define i40iw_address_list u64 * #define I40IW_MAX_MR_SIZE 0x10000000000L +#define I40IW_MAX_RQ_WQE_SHIFT 2 struct i40iw_qp_uk; struct i40iw_cq_uk; @@ -405,7 +407,7 @@ struct i40iw_qp_uk_init_info { u32 max_sq_frag_cnt; u32 max_rq_frag_cnt; u32 max_inline_data; - + int abi_ver; }; struct i40iw_cq_uk_init_info { diff --git a/drivers/infiniband/hw/i40iw/i40iw_verbs.c b/drivers/infiniband/hw/i40iw/i40iw_verbs.c index 7368a50bbdaa..29e97df9e1a7 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_verbs.c +++ b/drivers/infiniband/hw/i40iw/i40iw_verbs.c @@ -145,9 +145,8 @@ static struct ib_ucontext *i40iw_alloc_ucontext(struct ib_device *ibdev, if (ib_copy_from_udata(&req, udata, sizeof(req))) return ERR_PTR(-EINVAL); - if (req.userspace_ver != I40IW_ABI_USERSPACE_VER) { - i40iw_pr_err("Invalid userspace driver version detected. Detected version %d, should be %d\n", - req.userspace_ver, I40IW_ABI_USERSPACE_VER); + if (req.userspace_ver < 4 || req.userspace_ver > I40IW_ABI_VER) { + i40iw_pr_err("Unsupported provider library version %u.\n", req.userspace_ver); return ERR_PTR(-EINVAL); } @@ -155,13 +154,14 @@ static struct ib_ucontext *i40iw_alloc_ucontext(struct ib_device *ibdev, uresp.max_qps = iwdev->max_qp; uresp.max_pds = iwdev->max_pd; uresp.wq_size = iwdev->max_qp_wr * 2; - uresp.kernel_ver = I40IW_ABI_KERNEL_VER; + uresp.kernel_ver = req.userspace_ver; ucontext = kzalloc(sizeof(*ucontext), GFP_KERNEL); if (!ucontext) return ERR_PTR(-ENOMEM); ucontext->iwdev = iwdev; + ucontext->abi_ver = req.userspace_ver; if (ib_copy_to_udata(udata, &uresp, sizeof(uresp))) { kfree(ucontext); @@ -333,6 +333,7 @@ static struct ib_pd *i40iw_alloc_pd(struct ib_device *ibdev, struct i40iw_sc_dev *dev = &iwdev->sc_dev; struct i40iw_alloc_pd_resp uresp; struct i40iw_sc_pd *sc_pd; + struct i40iw_ucontext *ucontext; u32 pd_id = 0; int err; @@ -353,15 +354,18 @@ static struct ib_pd *i40iw_alloc_pd(struct ib_device *ibdev, } sc_pd = &iwpd->sc_pd; - dev->iw_pd_ops->pd_init(dev, sc_pd, pd_id); if (context) { + ucontext = to_ucontext(context); + dev->iw_pd_ops->pd_init(dev, sc_pd, pd_id, ucontext->abi_ver); memset(&uresp, 0, sizeof(uresp)); uresp.pd_id = pd_id; if (ib_copy_to_udata(udata, &uresp, sizeof(uresp))) { err = -EFAULT; goto error; } + } else { + dev->iw_pd_ops->pd_init(dev, sc_pd, pd_id, -1); } i40iw_add_pdusecount(iwpd); @@ -518,7 +522,7 @@ static int i40iw_setup_kmode_qp(struct i40iw_device *iwdev, struct i40iw_dma_mem *mem = &iwqp->kqp.dma_mem; u32 sqdepth, rqdepth; u32 sq_size, rq_size; - u8 sqshift, rqshift; + u8 sqshift; u32 size; enum i40iw_status_code status; struct i40iw_qp_uk_init_info *ukinfo = &info->qp_uk_init_info; @@ -527,14 +531,11 @@ static int i40iw_setup_kmode_qp(struct i40iw_device *iwdev, rq_size = i40iw_qp_roundup(ukinfo->rq_size + 1); status = i40iw_get_wqe_shift(sq_size, ukinfo->max_sq_frag_cnt, ukinfo->max_inline_data, &sqshift); - if (!status) - status = i40iw_get_wqe_shift(rq_size, ukinfo->max_rq_frag_cnt, 0, &rqshift); - if (status) return -ENOMEM; sqdepth = sq_size << sqshift; - rqdepth = rq_size << rqshift; + rqdepth = rq_size << I40IW_MAX_RQ_WQE_SHIFT; size = sqdepth * sizeof(struct i40iw_sq_uk_wr_trk_info) + (rqdepth << 3); iwqp->kqp.wrid_mem = kzalloc(size, GFP_KERNEL); diff --git a/drivers/infiniband/hw/i40iw/i40iw_verbs.h b/drivers/infiniband/hw/i40iw/i40iw_verbs.h index 6549c939500f..07c3fec77de6 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_verbs.h +++ b/drivers/infiniband/hw/i40iw/i40iw_verbs.h @@ -42,6 +42,7 @@ struct i40iw_ucontext { spinlock_t cq_reg_mem_list_lock; /* memory list for cq's */ struct list_head qp_reg_mem_list; spinlock_t qp_reg_mem_list_lock; /* memory list for qp's */ + int abi_ver; }; struct i40iw_pd { diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c index 302fb05e6e6f..57c8de208077 100644 --- a/drivers/infiniband/hw/qedr/verbs.c +++ b/drivers/infiniband/hw/qedr/verbs.c @@ -890,6 +890,8 @@ struct ib_cq *qedr_create_cq(struct ib_device *ibdev, pbl_ptr = cq->q.pbl_tbl->pa; page_cnt = cq->q.pbl_info.num_pbes; + + cq->ibcq.cqe = chain_entries; } else { cq->cq_type = QEDR_CQ_TYPE_KERNEL; @@ -905,6 +907,7 @@ struct ib_cq *qedr_create_cq(struct ib_device *ibdev, page_cnt = qed_chain_get_page_cnt(&cq->pbl); pbl_ptr = qed_chain_get_pbl_phys(&cq->pbl); + cq->ibcq.cqe = cq->pbl.capacity; } qedr_init_cq_params(cq, ctx, dev, vector, chain_entries, page_cnt, @@ -982,8 +985,13 @@ int qedr_destroy_cq(struct ib_cq *ibcq) /* GSIs CQs are handled by driver, so they don't exist in the FW */ if (cq->cq_type != QEDR_CQ_TYPE_GSI) { + int rc; + iparams.icid = cq->icid; - dev->ops->rdma_destroy_cq(dev->rdma_ctx, &iparams, &oparams); + rc = dev->ops->rdma_destroy_cq(dev->rdma_ctx, &iparams, + &oparams); + if (rc) + return rc; dev->ops->common->chain_free(dev->cdev, &cq->pbl); } @@ -1966,7 +1974,7 @@ int qedr_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, if (attr_mask & IB_QP_STATE) { if ((qp->qp_type != IB_QPT_GSI) && (!udata)) - qedr_update_qp_state(dev, qp, qp_params.new_state); + rc = qedr_update_qp_state(dev, qp, qp_params.new_state); qp->state = qp_params.new_state; } @@ -2070,8 +2078,10 @@ int qedr_destroy_qp(struct ib_qp *ibqp) DP_DEBUG(dev, QEDR_MSG_QP, "destroy qp: destroying %p, qp type=%d\n", qp, qp->qp_type); - if (qp->state != (QED_ROCE_QP_STATE_RESET | QED_ROCE_QP_STATE_ERR | - QED_ROCE_QP_STATE_INIT)) { + if ((qp->state != QED_ROCE_QP_STATE_RESET) && + (qp->state != QED_ROCE_QP_STATE_ERR) && + (qp->state != QED_ROCE_QP_STATE_INIT)) { + attr.qp_state = IB_QPS_ERR; attr_mask |= IB_QP_STATE; @@ -2626,7 +2636,9 @@ static u32 qedr_prepare_sq_rdma_data(struct qedr_dev *dev, rwqe2->r_key = cpu_to_le32(rdma_wr(wr)->rkey); DMA_REGPAIR_LE(rwqe2->remote_va, rdma_wr(wr)->remote_addr); - if (wr->send_flags & IB_SEND_INLINE) { + if (wr->send_flags & IB_SEND_INLINE && + (wr->opcode == IB_WR_RDMA_WRITE_WITH_IMM || + wr->opcode == IB_WR_RDMA_WRITE)) { u8 flags = 0; SET_FIELD2(flags, RDMA_SQ_RDMA_WQE_1ST_INLINE_FLG, 1); @@ -2977,8 +2989,9 @@ int qedr_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, spin_lock_irqsave(&qp->q_lock, flags); - if ((qp->state == QED_ROCE_QP_STATE_RESET) || - (qp->state == QED_ROCE_QP_STATE_ERR)) { + if ((qp->state != QED_ROCE_QP_STATE_RTS) && + (qp->state != QED_ROCE_QP_STATE_ERR) && + (qp->state != QED_ROCE_QP_STATE_SQD)) { spin_unlock_irqrestore(&qp->q_lock, flags); *bad_wr = wr; DP_DEBUG(dev, QEDR_MSG_CQ, @@ -3031,8 +3044,7 @@ int qedr_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, spin_lock_irqsave(&qp->q_lock, flags); - if ((qp->state == QED_ROCE_QP_STATE_RESET) || - (qp->state == QED_ROCE_QP_STATE_ERR)) { + if (qp->state == QED_ROCE_QP_STATE_RESET) { spin_unlock_irqrestore(&qp->q_lock, flags); *bad_wr = wr; return -EINVAL; @@ -3174,6 +3186,7 @@ static int process_req(struct qedr_dev *dev, struct qedr_qp *qp, /* fill WC */ wc->status = status; + wc->vendor_err = 0; wc->wc_flags = 0; wc->src_qp = qp->id; wc->qp = &qp->ibqp; @@ -3225,7 +3238,7 @@ static int qedr_poll_cq_req(struct qedr_dev *dev, "Error: POLL CQ with RDMA_CQE_REQ_STS_WORK_REQUEST_FLUSHED_ERR. CQ icid=0x%x, QP icid=0x%x\n", cq->icid, qp->icid); cnt = process_req(dev, qp, cq, num_entries, wc, req->sq_cons, - IB_WC_WR_FLUSH_ERR, 0); + IB_WC_WR_FLUSH_ERR, 1); break; default: /* process all WQE before the cosumer */ @@ -3363,6 +3376,7 @@ static void __process_resp_one(struct qedr_dev *dev, struct qedr_qp *qp, /* fill WC */ wc->status = wc_status; + wc->vendor_err = 0; wc->src_qp = qp->id; wc->qp = &qp->ibqp; wc->wr_id = wr_id; @@ -3391,6 +3405,7 @@ static int process_resp_flush(struct qedr_qp *qp, struct qedr_cq *cq, while (num_entries && qp->rq.wqe_cons != hw_cons) { /* fill WC */ wc->status = IB_WC_WR_FLUSH_ERR; + wc->vendor_err = 0; wc->wc_flags = 0; wc->src_qp = qp->id; wc->byte_len = 0; diff --git a/drivers/infiniband/sw/rxe/rxe_comp.c b/drivers/infiniband/sw/rxe/rxe_comp.c index cd27cbde7652..d369f24425f9 100644 --- a/drivers/infiniband/sw/rxe/rxe_comp.c +++ b/drivers/infiniband/sw/rxe/rxe_comp.c @@ -224,7 +224,7 @@ static inline enum comp_state check_psn(struct rxe_qp *qp, else return COMPST_DONE; } else if ((diff > 0) && (wqe->mask & WR_ATOMIC_OR_READ_MASK)) { - return COMPST_ERROR_RETRY; + return COMPST_DONE; } else { return COMPST_CHECK_ACK; } diff --git a/drivers/infiniband/sw/rxe/rxe_net.c b/drivers/infiniband/sw/rxe/rxe_net.c index 16967cdb45df..342e78163613 100644 --- a/drivers/infiniband/sw/rxe/rxe_net.c +++ b/drivers/infiniband/sw/rxe/rxe_net.c @@ -455,8 +455,7 @@ static int send(struct rxe_dev *rxe, struct rxe_pkt_info *pkt, return -EAGAIN; } - if (pkt->qp) - atomic_inc(&pkt->qp->skb_out); + atomic_inc(&pkt->qp->skb_out); kfree_skb(skb); return 0; diff --git a/drivers/infiniband/sw/rxe/rxe_qp.c b/drivers/infiniband/sw/rxe/rxe_qp.c index c3e60e4bde6e..486d576e55bc 100644 --- a/drivers/infiniband/sw/rxe/rxe_qp.c +++ b/drivers/infiniband/sw/rxe/rxe_qp.c @@ -855,4 +855,5 @@ void rxe_qp_cleanup(void *arg) free_rd_atomic_resources(qp); kernel_sock_shutdown(qp->sk, SHUT_RDWR); + sock_release(qp->sk); } diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c index 7a36ec9dbc0c..3435efff8799 100644 --- a/drivers/infiniband/sw/rxe/rxe_resp.c +++ b/drivers/infiniband/sw/rxe/rxe_resp.c @@ -1070,12 +1070,13 @@ static enum resp_states duplicate_request(struct rxe_qp *qp, struct rxe_pkt_info *pkt) { enum resp_states rc; + u32 prev_psn = (qp->resp.psn - 1) & BTH_PSN_MASK; if (pkt->mask & RXE_SEND_MASK || pkt->mask & RXE_WRITE_MASK) { /* SEND. Ack again and cleanup. C9-105. */ if (bth_ack(pkt)) - send_ack(qp, pkt, AETH_ACK_UNLIMITED, qp->resp.psn - 1); + send_ack(qp, pkt, AETH_ACK_UNLIMITED, prev_psn); rc = RESPST_CLEANUP; goto out; } else if (pkt->mask & RXE_READ_MASK) { |