From e6f8c2b31f107f39e7301a02b5a6808d79c9f1f0 Mon Sep 17 00:00:00 2001 From: Mike Marciniszyn Date: Thu, 4 Feb 2016 10:59:09 -0800 Subject: [PATCH] staging/rdma/hfi1: use new timer routines Use the new timer routines. Reviewed-by: Jubin John Signed-off-by: Mike Marciniszyn Signed-off-by: Doug Ledford --- drivers/staging/rdma/hfi1/rc.c | 39 +++++++++------------------------- 1 file changed, 10 insertions(+), 29 deletions(-) diff --git a/drivers/staging/rdma/hfi1/rc.c b/drivers/staging/rdma/hfi1/rc.c index 350faaa45db4..5c32182dbf17 100644 --- a/drivers/staging/rdma/hfi1/rc.c +++ b/drivers/staging/rdma/hfi1/rc.c @@ -183,15 +183,6 @@ static u32 restart_sge(struct rvt_sge_state *ss, struct rvt_swqe *wqe, return wqe->length - len; } -static void start_timer(struct rvt_qp *qp) -{ - qp->s_flags |= RVT_S_TIMER; - qp->s_timer.function = rc_timeout; - /* 4.096 usec. * (1 << qp->timeout) */ - qp->s_timer.expires = jiffies + qp->timeout_jiffies; - add_timer(&qp->s_timer); -} - /** * make_rc_ack - construct a response packet (ACK, NAK, or RDMA read) * @dev: the device for this QP @@ -1054,11 +1045,8 @@ void hfi1_rc_rnr_retry(unsigned long arg) unsigned long flags; spin_lock_irqsave(&qp->s_lock, flags); - if (qp->s_flags & RVT_S_WAIT_RNR) { - qp->s_flags &= ~RVT_S_WAIT_RNR; - del_timer(&qp->s_timer); - hfi1_schedule_send(qp); - } + hfi1_stop_rnr_timer(qp); + hfi1_schedule_send(qp); spin_unlock_irqrestore(&qp->s_lock, flags); } @@ -1128,7 +1116,7 @@ void hfi1_rc_send_complete(struct rvt_qp *qp, struct hfi1_ib_header *hdr) !(qp->s_flags & (RVT_S_TIMER | RVT_S_WAIT_RNR | RVT_S_WAIT_PSN)) && (ib_rvt_state_ops[qp->state] & RVT_PROCESS_RECV_OK)) - start_timer(qp); + hfi1_add_retry_timer(qp); while (qp->s_last != qp->s_acked) { wqe = rvt_get_swqe_ptr(qp, qp->s_last); @@ -1276,12 +1264,10 @@ static int do_rc_ack(struct rvt_qp *qp, u32 aeth, u32 psn, int opcode, int ret = 0; u32 ack_psn; int diff; + unsigned long to; /* Remove QP from retry timer */ - if (qp->s_flags & (RVT_S_TIMER | RVT_S_WAIT_RNR)) { - qp->s_flags &= ~(RVT_S_TIMER | RVT_S_WAIT_RNR); - del_timer(&qp->s_timer); - } + hfi1_stop_rc_timers(qp); /* * Note that NAKs implicitly ACK outstanding SEND and RDMA write @@ -1378,7 +1364,7 @@ static int do_rc_ack(struct rvt_qp *qp, u32 aeth, u32 psn, int opcode, * We are expecting more ACKs so * reset the re-transmit timer. */ - start_timer(qp); + hfi1_add_retry_timer(qp); /* * We can stop re-sending the earlier packets and * continue with the next packet the receiver wants. @@ -1421,12 +1407,10 @@ static int do_rc_ack(struct rvt_qp *qp, u32 aeth, u32 psn, int opcode, reset_psn(qp, psn); qp->s_flags &= ~(RVT_S_WAIT_SSN_CREDIT | RVT_S_WAIT_ACK); - qp->s_flags |= RVT_S_WAIT_RNR; - qp->s_timer.function = hfi1_rc_rnr_retry; - qp->s_timer.expires = jiffies + usecs_to_jiffies( + to = ib_hfi1_rnr_table[(aeth >> HFI1_AETH_CREDIT_SHIFT) & - HFI1_AETH_CREDIT_MASK]); - add_timer(&qp->s_timer); + HFI1_AETH_CREDIT_MASK]; + hfi1_add_rnr_timer(qp, to); goto bail; case 3: /* NAK */ @@ -1496,10 +1480,7 @@ static void rdma_seq_err(struct rvt_qp *qp, struct hfi1_ibport *ibp, u32 psn, struct rvt_swqe *wqe; /* Remove QP from retry timer */ - if (qp->s_flags & (RVT_S_TIMER | RVT_S_WAIT_RNR)) { - qp->s_flags &= ~(RVT_S_TIMER | RVT_S_WAIT_RNR); - del_timer(&qp->s_timer); - } + hfi1_stop_rc_timers(qp); wqe = rvt_get_swqe_ptr(qp, qp->s_acked); -- 2.39.5