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Diffstat (limited to 'drivers/infiniband/hw/qib/qib_ud.c')
-rw-r--r--drivers/infiniband/hw/qib/qib_ud.c583
1 files changed, 0 insertions, 583 deletions
diff --git a/drivers/infiniband/hw/qib/qib_ud.c b/drivers/infiniband/hw/qib/qib_ud.c
deleted file mode 100644
index 81eda94bd279..000000000000
--- a/drivers/infiniband/hw/qib/qib_ud.c
+++ /dev/null
@@ -1,583 +0,0 @@
-/*
- * Copyright (c) 2012 - 2019 Intel Corporation. All rights reserved.
- * Copyright (c) 2006, 2007, 2008, 2009 QLogic Corporation. All rights reserved.
- * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include <rdma/ib_smi.h>
-#include <rdma/ib_verbs.h>
-
-#include "qib.h"
-#include "qib_mad.h"
-
-/**
- * qib_ud_loopback - handle send on loopback QPs
- * @sqp: the sending QP
- * @swqe: the send work request
- *
- * This is called from qib_make_ud_req() to forward a WQE addressed
- * to the same HCA.
- * Note that the receive interrupt handler may be calling qib_ud_rcv()
- * while this is being called.
- */
-static void qib_ud_loopback(struct rvt_qp *sqp, struct rvt_swqe *swqe)
-{
- struct qib_ibport *ibp = to_iport(sqp->ibqp.device, sqp->port_num);
- struct qib_pportdata *ppd = ppd_from_ibp(ibp);
- struct qib_devdata *dd = ppd->dd;
- struct rvt_dev_info *rdi = &dd->verbs_dev.rdi;
- struct rvt_qp *qp;
- struct rdma_ah_attr *ah_attr;
- unsigned long flags;
- struct rvt_sge_state ssge;
- struct rvt_sge *sge;
- struct ib_wc wc;
- u32 length;
- enum ib_qp_type sqptype, dqptype;
-
- rcu_read_lock();
- qp = rvt_lookup_qpn(rdi, &ibp->rvp, rvt_get_swqe_remote_qpn(swqe));
- if (!qp) {
- ibp->rvp.n_pkt_drops++;
- goto drop;
- }
-
- sqptype = sqp->ibqp.qp_type == IB_QPT_GSI ?
- IB_QPT_UD : sqp->ibqp.qp_type;
- dqptype = qp->ibqp.qp_type == IB_QPT_GSI ?
- IB_QPT_UD : qp->ibqp.qp_type;
-
- if (dqptype != sqptype ||
- !(ib_rvt_state_ops[qp->state] & RVT_PROCESS_RECV_OK)) {
- ibp->rvp.n_pkt_drops++;
- goto drop;
- }
-
- ah_attr = rvt_get_swqe_ah_attr(swqe);
- ppd = ppd_from_ibp(ibp);
-
- if (qp->ibqp.qp_num > 1) {
- u16 pkey1;
- u16 pkey2;
- u16 lid;
-
- pkey1 = qib_get_pkey(ibp, sqp->s_pkey_index);
- pkey2 = qib_get_pkey(ibp, qp->s_pkey_index);
- if (unlikely(!qib_pkey_ok(pkey1, pkey2))) {
- lid = ppd->lid | (rdma_ah_get_path_bits(ah_attr) &
- ((1 << ppd->lmc) - 1));
- qib_bad_pkey(ibp, pkey1,
- rdma_ah_get_sl(ah_attr),
- sqp->ibqp.qp_num, qp->ibqp.qp_num,
- cpu_to_be16(lid),
- cpu_to_be16(rdma_ah_get_dlid(ah_attr)));
- goto drop;
- }
- }
-
- /*
- * Check that the qkey matches (except for QP0, see 9.6.1.4.1).
- * Qkeys with the high order bit set mean use the
- * qkey from the QP context instead of the WR (see 10.2.5).
- */
- if (qp->ibqp.qp_num) {
- u32 qkey;
-
- qkey = (int)rvt_get_swqe_remote_qkey(swqe) < 0 ?
- sqp->qkey : rvt_get_swqe_remote_qkey(swqe);
- if (unlikely(qkey != qp->qkey))
- goto drop;
- }
-
- /*
- * A GRH is expected to precede the data even if not
- * present on the wire.
- */
- length = swqe->length;
- memset(&wc, 0, sizeof(wc));
- wc.byte_len = length + sizeof(struct ib_grh);
-
- if (swqe->wr.opcode == IB_WR_SEND_WITH_IMM) {
- wc.wc_flags = IB_WC_WITH_IMM;
- wc.ex.imm_data = swqe->wr.ex.imm_data;
- }
-
- spin_lock_irqsave(&qp->r_lock, flags);
-
- /*
- * Get the next work request entry to find where to put the data.
- */
- if (qp->r_flags & RVT_R_REUSE_SGE)
- qp->r_flags &= ~RVT_R_REUSE_SGE;
- else {
- int ret;
-
- ret = rvt_get_rwqe(qp, false);
- if (ret < 0) {
- rvt_rc_error(qp, IB_WC_LOC_QP_OP_ERR);
- goto bail_unlock;
- }
- if (!ret) {
- if (qp->ibqp.qp_num == 0)
- ibp->rvp.n_vl15_dropped++;
- goto bail_unlock;
- }
- }
- /* Silently drop packets which are too big. */
- if (unlikely(wc.byte_len > qp->r_len)) {
- qp->r_flags |= RVT_R_REUSE_SGE;
- ibp->rvp.n_pkt_drops++;
- goto bail_unlock;
- }
-
- if (rdma_ah_get_ah_flags(ah_attr) & IB_AH_GRH) {
- struct ib_grh grh;
- const struct ib_global_route *grd = rdma_ah_read_grh(ah_attr);
-
- qib_make_grh(ibp, &grh, grd, 0, 0);
- rvt_copy_sge(qp, &qp->r_sge, &grh,
- sizeof(grh), true, false);
- wc.wc_flags |= IB_WC_GRH;
- } else
- rvt_skip_sge(&qp->r_sge, sizeof(struct ib_grh), true);
- ssge.sg_list = swqe->sg_list + 1;
- ssge.sge = *swqe->sg_list;
- ssge.num_sge = swqe->wr.num_sge;
- sge = &ssge.sge;
- while (length) {
- u32 len = rvt_get_sge_length(sge, length);
-
- rvt_copy_sge(qp, &qp->r_sge, sge->vaddr, len, true, false);
- sge->vaddr += len;
- sge->length -= len;
- sge->sge_length -= len;
- if (sge->sge_length == 0) {
- if (--ssge.num_sge)
- *sge = *ssge.sg_list++;
- } else if (sge->length == 0 && sge->mr->lkey) {
- if (++sge->n >= RVT_SEGSZ) {
- if (++sge->m >= sge->mr->mapsz)
- break;
- sge->n = 0;
- }
- sge->vaddr =
- sge->mr->map[sge->m]->segs[sge->n].vaddr;
- sge->length =
- sge->mr->map[sge->m]->segs[sge->n].length;
- }
- length -= len;
- }
- rvt_put_ss(&qp->r_sge);
- if (!test_and_clear_bit(RVT_R_WRID_VALID, &qp->r_aflags))
- goto bail_unlock;
- wc.wr_id = qp->r_wr_id;
- wc.status = IB_WC_SUCCESS;
- wc.opcode = IB_WC_RECV;
- wc.qp = &qp->ibqp;
- wc.src_qp = sqp->ibqp.qp_num;
- wc.pkey_index = qp->ibqp.qp_type == IB_QPT_GSI ?
- rvt_get_swqe_pkey_index(swqe) : 0;
- wc.slid = ppd->lid | (rdma_ah_get_path_bits(ah_attr) &
- ((1 << ppd->lmc) - 1));
- wc.sl = rdma_ah_get_sl(ah_attr);
- wc.dlid_path_bits = rdma_ah_get_dlid(ah_attr) & ((1 << ppd->lmc) - 1);
- wc.port_num = qp->port_num;
- /* Signal completion event if the solicited bit is set. */
- rvt_recv_cq(qp, &wc, swqe->wr.send_flags & IB_SEND_SOLICITED);
- ibp->rvp.n_loop_pkts++;
-bail_unlock:
- spin_unlock_irqrestore(&qp->r_lock, flags);
-drop:
- rcu_read_unlock();
-}
-
-/**
- * qib_make_ud_req - construct a UD request packet
- * @qp: the QP
- * @flags: flags to modify and pass back to caller
- *
- * Assumes the s_lock is held.
- *
- * Return 1 if constructed; otherwise, return 0.
- */
-int qib_make_ud_req(struct rvt_qp *qp, unsigned long *flags)
-{
- struct qib_qp_priv *priv = qp->priv;
- struct ib_other_headers *ohdr;
- struct rdma_ah_attr *ah_attr;
- struct qib_pportdata *ppd;
- struct qib_ibport *ibp;
- struct rvt_swqe *wqe;
- u32 nwords;
- u32 extra_bytes;
- u32 bth0;
- u16 lrh0;
- u16 lid;
- int ret = 0;
- int next_cur;
-
- if (!(ib_rvt_state_ops[qp->state] & RVT_PROCESS_NEXT_SEND_OK)) {
- if (!(ib_rvt_state_ops[qp->state] & RVT_FLUSH_SEND))
- goto bail;
- /* We are in the error state, flush the work request. */
- if (qp->s_last == READ_ONCE(qp->s_head))
- goto bail;
- /* If DMAs are in progress, we can't flush immediately. */
- if (atomic_read(&priv->s_dma_busy)) {
- qp->s_flags |= RVT_S_WAIT_DMA;
- goto bail;
- }
- wqe = rvt_get_swqe_ptr(qp, qp->s_last);
- rvt_send_complete(qp, wqe, IB_WC_WR_FLUSH_ERR);
- goto done;
- }
-
- /* see post_one_send() */
- if (qp->s_cur == READ_ONCE(qp->s_head))
- goto bail;
-
- wqe = rvt_get_swqe_ptr(qp, qp->s_cur);
- next_cur = qp->s_cur + 1;
- if (next_cur >= qp->s_size)
- next_cur = 0;
-
- /* Construct the header. */
- ibp = to_iport(qp->ibqp.device, qp->port_num);
- ppd = ppd_from_ibp(ibp);
- ah_attr = rvt_get_swqe_ah_attr(wqe);
- if (rdma_ah_get_dlid(ah_attr) >= be16_to_cpu(IB_MULTICAST_LID_BASE)) {
- if (rdma_ah_get_dlid(ah_attr) !=
- be16_to_cpu(IB_LID_PERMISSIVE))
- this_cpu_inc(ibp->pmastats->n_multicast_xmit);
- else
- this_cpu_inc(ibp->pmastats->n_unicast_xmit);
- } else {
- this_cpu_inc(ibp->pmastats->n_unicast_xmit);
- lid = rdma_ah_get_dlid(ah_attr) & ~((1 << ppd->lmc) - 1);
- if (unlikely(lid == ppd->lid)) {
- unsigned long tflags = *flags;
- /*
- * If DMAs are in progress, we can't generate
- * a completion for the loopback packet since
- * it would be out of order.
- * XXX Instead of waiting, we could queue a
- * zero length descriptor so we get a callback.
- */
- if (atomic_read(&priv->s_dma_busy)) {
- qp->s_flags |= RVT_S_WAIT_DMA;
- goto bail;
- }
- qp->s_cur = next_cur;
- spin_unlock_irqrestore(&qp->s_lock, tflags);
- qib_ud_loopback(qp, wqe);
- spin_lock_irqsave(&qp->s_lock, tflags);
- *flags = tflags;
- rvt_send_complete(qp, wqe, IB_WC_SUCCESS);
- goto done;
- }
- }
-
- qp->s_cur = next_cur;
- extra_bytes = -wqe->length & 3;
- nwords = (wqe->length + extra_bytes) >> 2;
-
- /* header size in 32-bit words LRH+BTH+DETH = (8+12+8)/4. */
- qp->s_hdrwords = 7;
- qp->s_cur_size = wqe->length;
- qp->s_cur_sge = &qp->s_sge;
- qp->s_srate = rdma_ah_get_static_rate(ah_attr);
- qp->s_wqe = wqe;
- qp->s_sge.sge = wqe->sg_list[0];
- qp->s_sge.sg_list = wqe->sg_list + 1;
- qp->s_sge.num_sge = wqe->wr.num_sge;
- qp->s_sge.total_len = wqe->length;
-
- if (rdma_ah_get_ah_flags(ah_attr) & IB_AH_GRH) {
- /* Header size in 32-bit words. */
- qp->s_hdrwords += qib_make_grh(ibp, &priv->s_hdr->u.l.grh,
- rdma_ah_read_grh(ah_attr),
- qp->s_hdrwords, nwords);
- lrh0 = QIB_LRH_GRH;
- ohdr = &priv->s_hdr->u.l.oth;
- /*
- * Don't worry about sending to locally attached multicast
- * QPs. It is unspecified by the spec. what happens.
- */
- } else {
- /* Header size in 32-bit words. */
- lrh0 = QIB_LRH_BTH;
- ohdr = &priv->s_hdr->u.oth;
- }
- if (wqe->wr.opcode == IB_WR_SEND_WITH_IMM) {
- qp->s_hdrwords++;
- ohdr->u.ud.imm_data = wqe->wr.ex.imm_data;
- bth0 = IB_OPCODE_UD_SEND_ONLY_WITH_IMMEDIATE << 24;
- } else
- bth0 = IB_OPCODE_UD_SEND_ONLY << 24;
- lrh0 |= rdma_ah_get_sl(ah_attr) << 4;
- if (qp->ibqp.qp_type == IB_QPT_SMI)
- lrh0 |= 0xF000; /* Set VL (see ch. 13.5.3.1) */
- else
- lrh0 |= ibp->sl_to_vl[rdma_ah_get_sl(ah_attr)] << 12;
- priv->s_hdr->lrh[0] = cpu_to_be16(lrh0);
- priv->s_hdr->lrh[1] =
- cpu_to_be16(rdma_ah_get_dlid(ah_attr)); /* DEST LID */
- priv->s_hdr->lrh[2] =
- cpu_to_be16(qp->s_hdrwords + nwords + SIZE_OF_CRC);
- lid = ppd->lid;
- if (lid) {
- lid |= rdma_ah_get_path_bits(ah_attr) &
- ((1 << ppd->lmc) - 1);
- priv->s_hdr->lrh[3] = cpu_to_be16(lid);
- } else
- priv->s_hdr->lrh[3] = IB_LID_PERMISSIVE;
- if (wqe->wr.send_flags & IB_SEND_SOLICITED)
- bth0 |= IB_BTH_SOLICITED;
- bth0 |= extra_bytes << 20;
- bth0 |= qp->ibqp.qp_type == IB_QPT_SMI ? QIB_DEFAULT_P_KEY :
- qib_get_pkey(ibp, qp->ibqp.qp_type == IB_QPT_GSI ?
- rvt_get_swqe_pkey_index(wqe) : qp->s_pkey_index);
- ohdr->bth[0] = cpu_to_be32(bth0);
- /*
- * Use the multicast QP if the destination LID is a multicast LID.
- */
- ohdr->bth[1] = rdma_ah_get_dlid(ah_attr) >=
- be16_to_cpu(IB_MULTICAST_LID_BASE) &&
- rdma_ah_get_dlid(ah_attr) != be16_to_cpu(IB_LID_PERMISSIVE) ?
- cpu_to_be32(QIB_MULTICAST_QPN) :
- cpu_to_be32(rvt_get_swqe_remote_qpn(wqe));
- ohdr->bth[2] = cpu_to_be32(wqe->psn & QIB_PSN_MASK);
- /*
- * Qkeys with the high order bit set mean use the
- * qkey from the QP context instead of the WR (see 10.2.5).
- */
- ohdr->u.ud.deth[0] =
- cpu_to_be32((int)rvt_get_swqe_remote_qkey(wqe) < 0 ? qp->qkey :
- rvt_get_swqe_remote_qkey(wqe));
- ohdr->u.ud.deth[1] = cpu_to_be32(qp->ibqp.qp_num);
-
-done:
- return 1;
-bail:
- qp->s_flags &= ~RVT_S_BUSY;
- return ret;
-}
-
-static unsigned qib_lookup_pkey(struct qib_ibport *ibp, u16 pkey)
-{
- struct qib_pportdata *ppd = ppd_from_ibp(ibp);
- struct qib_devdata *dd = ppd->dd;
- unsigned ctxt = ppd->hw_pidx;
- unsigned i;
-
- pkey &= 0x7fff; /* remove limited/full membership bit */
-
- for (i = 0; i < ARRAY_SIZE(dd->rcd[ctxt]->pkeys); ++i)
- if ((dd->rcd[ctxt]->pkeys[i] & 0x7fff) == pkey)
- return i;
-
- /*
- * Should not get here, this means hardware failed to validate pkeys.
- * Punt and return index 0.
- */
- return 0;
-}
-
-/**
- * qib_ud_rcv - receive an incoming UD packet
- * @ibp: the port the packet came in on
- * @hdr: the packet header
- * @has_grh: true if the packet has a GRH
- * @data: the packet data
- * @tlen: the packet length
- * @qp: the QP the packet came on
- *
- * This is called from qib_qp_rcv() to process an incoming UD packet
- * for the given QP.
- * Called at interrupt level.
- */
-void qib_ud_rcv(struct qib_ibport *ibp, struct ib_header *hdr,
- int has_grh, void *data, u32 tlen, struct rvt_qp *qp)
-{
- struct ib_other_headers *ohdr;
- int opcode;
- u32 hdrsize;
- u32 pad;
- struct ib_wc wc;
- u32 qkey;
- u32 src_qp;
- u16 dlid;
-
- /* Check for GRH */
- if (!has_grh) {
- ohdr = &hdr->u.oth;
- hdrsize = 8 + 12 + 8; /* LRH + BTH + DETH */
- } else {
- ohdr = &hdr->u.l.oth;
- hdrsize = 8 + 40 + 12 + 8; /* LRH + GRH + BTH + DETH */
- }
- qkey = be32_to_cpu(ohdr->u.ud.deth[0]);
- src_qp = be32_to_cpu(ohdr->u.ud.deth[1]) & RVT_QPN_MASK;
-
- /*
- * Get the number of bytes the message was padded by
- * and drop incomplete packets.
- */
- pad = (be32_to_cpu(ohdr->bth[0]) >> 20) & 3;
- if (unlikely(tlen < (hdrsize + pad + 4)))
- goto drop;
-
- tlen -= hdrsize + pad + 4;
-
- /*
- * Check that the permissive LID is only used on QP0
- * and the QKEY matches (see 9.6.1.4.1 and 9.6.1.5.1).
- */
- if (qp->ibqp.qp_num) {
- if (unlikely(hdr->lrh[1] == IB_LID_PERMISSIVE ||
- hdr->lrh[3] == IB_LID_PERMISSIVE))
- goto drop;
- if (qp->ibqp.qp_num > 1) {
- u16 pkey1, pkey2;
-
- pkey1 = be32_to_cpu(ohdr->bth[0]);
- pkey2 = qib_get_pkey(ibp, qp->s_pkey_index);
- if (unlikely(!qib_pkey_ok(pkey1, pkey2))) {
- qib_bad_pkey(ibp,
- pkey1,
- (be16_to_cpu(hdr->lrh[0]) >> 4) &
- 0xF,
- src_qp, qp->ibqp.qp_num,
- hdr->lrh[3], hdr->lrh[1]);
- return;
- }
- }
- if (unlikely(qkey != qp->qkey))
- return;
-
- /* Drop invalid MAD packets (see 13.5.3.1). */
- if (unlikely(qp->ibqp.qp_num == 1 &&
- (tlen != 256 ||
- (be16_to_cpu(hdr->lrh[0]) >> 12) == 15)))
- goto drop;
- } else {
- struct ib_smp *smp;
-
- /* Drop invalid MAD packets (see 13.5.3.1). */
- if (tlen != 256 || (be16_to_cpu(hdr->lrh[0]) >> 12) != 15)
- goto drop;
- smp = (struct ib_smp *) data;
- if ((hdr->lrh[1] == IB_LID_PERMISSIVE ||
- hdr->lrh[3] == IB_LID_PERMISSIVE) &&
- smp->mgmt_class != IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
- goto drop;
- }
-
- /*
- * The opcode is in the low byte when its in network order
- * (top byte when in host order).
- */
- opcode = be32_to_cpu(ohdr->bth[0]) >> 24;
- if (qp->ibqp.qp_num > 1 &&
- opcode == IB_OPCODE_UD_SEND_ONLY_WITH_IMMEDIATE) {
- wc.ex.imm_data = ohdr->u.ud.imm_data;
- wc.wc_flags = IB_WC_WITH_IMM;
- } else if (opcode == IB_OPCODE_UD_SEND_ONLY) {
- wc.ex.imm_data = 0;
- wc.wc_flags = 0;
- } else
- goto drop;
-
- /*
- * A GRH is expected to precede the data even if not
- * present on the wire.
- */
- wc.byte_len = tlen + sizeof(struct ib_grh);
-
- /*
- * Get the next work request entry to find where to put the data.
- */
- if (qp->r_flags & RVT_R_REUSE_SGE)
- qp->r_flags &= ~RVT_R_REUSE_SGE;
- else {
- int ret;
-
- ret = rvt_get_rwqe(qp, false);
- if (ret < 0) {
- rvt_rc_error(qp, IB_WC_LOC_QP_OP_ERR);
- return;
- }
- if (!ret) {
- if (qp->ibqp.qp_num == 0)
- ibp->rvp.n_vl15_dropped++;
- return;
- }
- }
- /* Silently drop packets which are too big. */
- if (unlikely(wc.byte_len > qp->r_len)) {
- qp->r_flags |= RVT_R_REUSE_SGE;
- goto drop;
- }
- if (has_grh) {
- rvt_copy_sge(qp, &qp->r_sge, &hdr->u.l.grh,
- sizeof(struct ib_grh), true, false);
- wc.wc_flags |= IB_WC_GRH;
- } else
- rvt_skip_sge(&qp->r_sge, sizeof(struct ib_grh), true);
- rvt_copy_sge(qp, &qp->r_sge, data, wc.byte_len - sizeof(struct ib_grh),
- true, false);
- rvt_put_ss(&qp->r_sge);
- if (!test_and_clear_bit(RVT_R_WRID_VALID, &qp->r_aflags))
- return;
- wc.wr_id = qp->r_wr_id;
- wc.status = IB_WC_SUCCESS;
- wc.opcode = IB_WC_RECV;
- wc.vendor_err = 0;
- wc.qp = &qp->ibqp;
- wc.src_qp = src_qp;
- wc.pkey_index = qp->ibqp.qp_type == IB_QPT_GSI ?
- qib_lookup_pkey(ibp, be32_to_cpu(ohdr->bth[0])) : 0;
- wc.slid = be16_to_cpu(hdr->lrh[3]);
- wc.sl = (be16_to_cpu(hdr->lrh[0]) >> 4) & 0xF;
- dlid = be16_to_cpu(hdr->lrh[1]);
- /*
- * Save the LMC lower bits if the destination LID is a unicast LID.
- */
- wc.dlid_path_bits = dlid >= be16_to_cpu(IB_MULTICAST_LID_BASE) ? 0 :
- dlid & ((1 << ppd_from_ibp(ibp)->lmc) - 1);
- wc.port_num = qp->port_num;
- /* Signal completion event if the solicited bit is set. */
- rvt_recv_cq(qp, &wc, ib_bth_is_solicited(ohdr));
- return;
-
-drop:
- ibp->rvp.n_pkt_drops++;
-}
generated by cgit (git 2.34.1) at 2025-08-01 20:54:45 +0000