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alistair23-linux
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[PATCH] IB/ipath: ignore receive queue size if SRQ is specified 

The receive work queue size should be ignored if the QP is created to use a
shared receive queue according to the IB spec.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Cc: "Michael S. Tsirkin" <mst@mellanox.co.il>
Cc: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
hifive-unleashed-5.1
Bryan O'Sullivan 2006-07-01 04:36:16 -07:00 committed by Linus Torvalds
parent 3e0018bc74
commit 357b552ff3
1 changed files with 16 additions and 11 deletions
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27
drivers/infiniband/hw/ipath/ipath_qp.c
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@ -685,16 +685,22 @@ struct ib_qp *ipath_create_qp(struct ib_pd *ibpd,
ret = ERR_PTR(-ENOMEM);
goto bail;
}
qp->r_rq.size = init_attr->cap.max_recv_wr + 1;
sz = sizeof(struct ipath_sge) *
init_attr->cap.max_recv_sge +
sizeof(struct ipath_rwqe);
qp->r_rq.wq = vmalloc(qp->r_rq.size * sz);
if (!qp->r_rq.wq) {
kfree(qp);
vfree(swq);
ret = ERR_PTR(-ENOMEM);
goto bail;
if (init_attr->srq) {
qp->r_rq.size = 0;
qp->r_rq.max_sge = 0;
qp->r_rq.wq = NULL;
} else {
qp->r_rq.size = init_attr->cap.max_recv_wr + 1;
qp->r_rq.max_sge = init_attr->cap.max_recv_sge;
sz = (sizeof(struct ipath_sge) * qp->r_rq.max_sge) +
sizeof(struct ipath_rwqe);
qp->r_rq.wq = vmalloc(qp->r_rq.size * sz);
if (!qp->r_rq.wq) {
kfree(qp);
vfree(swq);
ret = ERR_PTR(-ENOMEM);
goto bail;
}
}
/*
@ -713,7 +719,6 @@ struct ib_qp *ipath_create_qp(struct ib_pd *ibpd,
qp->s_wq = swq;
qp->s_size = init_attr->cap.max_send_wr + 1;
qp->s_max_sge = init_attr->cap.max_send_sge;
qp->r_rq.max_sge = init_attr->cap.max_recv_sge;
qp->s_flags = init_attr->sq_sig_type == IB_SIGNAL_REQ_WR ?
1 << IPATH_S_SIGNAL_REQ_WR : 0;
dev = to_idev(ibpd->device);