diff options
| author | Doug Ledford <dledford@redhat.com> | 2019-02-09 20:54:04 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2019-02-09 20:54:04 +0300 |
| commit | 82771f20338fcdeb0a38319c7a72f1f36df39a7a (patch) | |
| tree | 532f865fff8bb8e17ec5b743c57bd5c5ec07fd2e /drivers/infiniband/sw | |
| parent | ecb53febfcad565366762b7413b03452874643db (diff) | |
| parent | 416fbc1bbaa51742f7c49ff0578a594c2082c73b (diff) | |
| download | linux-82771f20338fcdeb0a38319c7a72f1f36df39a7a.tar.xz | |
Merge branch 'wip/dl-for-next' into for-next
Due to concurrent work by myself and Jason, a normal fast forward merge
was not possible. This brings in a number of hfi1 changes, mainly the
hfi1 TID RDMA support (roughly 10,000 LOC change), which was reviewed
and integrated over a period of days.
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/sw')
| -rw-r--r-- | drivers/infiniband/sw/rdmavt/qp.c | 14 | ||||
| -rw-r--r-- | drivers/infiniband/sw/rdmavt/rc.c | 13 |
2 files changed, 21 insertions, 6 deletions
diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c index 80c994cffd42..6b1b2b75ef60 100644 --- a/drivers/infiniband/sw/rdmavt/qp.c +++ b/drivers/infiniband/sw/rdmavt/qp.c @@ -854,6 +854,7 @@ static void rvt_init_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp, qp->s_mig_state = IB_MIG_MIGRATED; qp->r_head_ack_queue = 0; qp->s_tail_ack_queue = 0; + qp->s_acked_ack_queue = 0; qp->s_num_rd_atomic = 0; if (qp->r_rq.wq) { qp->r_rq.wq->head = 0; @@ -1642,11 +1643,11 @@ int rvt_destroy_qp(struct ib_qp *ibqp) kref_put(&qp->ip->ref, rvt_release_mmap_info); else vfree(qp->r_rq.wq); - vfree(qp->s_wq); rdi->driver_f.qp_priv_free(rdi, qp); kfree(qp->s_ack_queue); rdma_destroy_ah_attr(&qp->remote_ah_attr); rdma_destroy_ah_attr(&qp->alt_ah_attr); + vfree(qp->s_wq); kfree(qp); return 0; } @@ -2393,11 +2394,12 @@ static inline unsigned long rvt_aeth_to_usec(u32 aeth) } /* - * rvt_add_retry_timer - add/start a retry timer + * rvt_add_retry_timer_ext - add/start a retry timer * @qp - the QP + * @shift - timeout shift to wait for multiple packets * add a retry timer on the QP */ -void rvt_add_retry_timer(struct rvt_qp *qp) +void rvt_add_retry_timer_ext(struct rvt_qp *qp, u8 shift) { struct ib_qp *ibqp = &qp->ibqp; struct rvt_dev_info *rdi = ib_to_rvt(ibqp->device); @@ -2405,11 +2407,11 @@ void rvt_add_retry_timer(struct rvt_qp *qp) lockdep_assert_held(&qp->s_lock); qp->s_flags |= RVT_S_TIMER; /* 4.096 usec. * (1 << qp->timeout) */ - qp->s_timer.expires = jiffies + qp->timeout_jiffies + - rdi->busy_jiffies; + qp->s_timer.expires = jiffies + rdi->busy_jiffies + + (qp->timeout_jiffies << shift); add_timer(&qp->s_timer); } -EXPORT_SYMBOL(rvt_add_retry_timer); +EXPORT_SYMBOL(rvt_add_retry_timer_ext); /** * rvt_add_rnr_timer - add/start an rnr timer diff --git a/drivers/infiniband/sw/rdmavt/rc.c b/drivers/infiniband/sw/rdmavt/rc.c index 6131cc558bdb..8d71647820a8 100644 --- a/drivers/infiniband/sw/rdmavt/rc.c +++ b/drivers/infiniband/sw/rdmavt/rc.c @@ -187,3 +187,16 @@ void rvt_get_credit(struct rvt_qp *qp, u32 aeth) } } EXPORT_SYMBOL(rvt_get_credit); + +/* rvt_restart_sge - rewind the sge state for a wqe */ +u32 rvt_restart_sge(struct rvt_sge_state *ss, struct rvt_swqe *wqe, u32 len) +{ + ss->sge = wqe->sg_list[0]; + ss->sg_list = wqe->sg_list + 1; + ss->num_sge = wqe->wr.num_sge; + ss->total_len = wqe->length; + rvt_skip_sge(ss, len, false); + return wqe->length - len; +} +EXPORT_SYMBOL(rvt_restart_sge); + |