From 233673e422de70d6ba32e7b41dd75e47f036d03b Mon Sep 17 00:00:00 2001 From: Lijun Ou Date: Sat, 8 Dec 2018 18:40:08 +0800 Subject: RDMA/hns: Encapsulate and simplify qp state transition This patch move the codes of qp state transition into the new function as well as simplify the logic for other qp states transition. Signed-off-by: Lijun Ou Signed-off-by: Jason Gunthorpe --- drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 31 +++++++++++++++--------------- 1 file changed, 16 insertions(+), 15 deletions(-) (limited to 'drivers/infiniband') diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 1cffe74b5fc8..ca71e1079d8a 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -3670,6 +3670,21 @@ static int modify_qp_rtr_to_rts(struct ib_qp *ibqp, return 0; } +static inline bool hns_roce_v2_check_qp_stat(enum ib_qp_state cur_state, + enum ib_qp_state new_state) +{ + + if ((cur_state != IB_QPS_RESET && + (new_state == IB_QPS_ERR || new_state == IB_QPS_RESET)) || + ((cur_state == IB_QPS_RTS || cur_state == IB_QPS_SQD) && + (new_state == IB_QPS_RTS || new_state == IB_QPS_SQD)) || + (cur_state == IB_QPS_SQE && new_state == IB_QPS_RTS)) + return true; + + return false; + +} + static int hns_roce_v2_modify_qp(struct ib_qp *ibqp, const struct ib_qp_attr *attr, int attr_mask, enum ib_qp_state cur_state, @@ -3711,21 +3726,7 @@ static int hns_roce_v2_modify_qp(struct ib_qp *ibqp, qpc_mask); if (ret) goto out; - } else if ((cur_state == IB_QPS_RTS && new_state == IB_QPS_RTS) || - (cur_state == IB_QPS_SQE && new_state == IB_QPS_RTS) || - (cur_state == IB_QPS_RTS && new_state == IB_QPS_SQD) || - (cur_state == IB_QPS_SQD && new_state == IB_QPS_SQD) || - (cur_state == IB_QPS_SQD && new_state == IB_QPS_RTS) || - (cur_state == IB_QPS_INIT && new_state == IB_QPS_RESET) || - (cur_state == IB_QPS_RTR && new_state == IB_QPS_RESET) || - (cur_state == IB_QPS_RTS && new_state == IB_QPS_RESET) || - (cur_state == IB_QPS_ERR && new_state == IB_QPS_RESET) || - (cur_state == IB_QPS_INIT && new_state == IB_QPS_ERR) || - (cur_state == IB_QPS_RTR && new_state == IB_QPS_ERR) || - (cur_state == IB_QPS_RTS && new_state == IB_QPS_ERR) || - (cur_state == IB_QPS_SQD && new_state == IB_QPS_ERR) || - (cur_state == IB_QPS_SQE && new_state == IB_QPS_ERR) || - (cur_state == IB_QPS_ERR && new_state == IB_QPS_ERR)) { + } else if (hns_roce_v2_check_qp_stat(cur_state, new_state)) { /* Nothing */ ; } else { -- cgit v1.2.3-59-g8ed1b