Lines Matching refs:qp
109 static int alloc_rd_atomic_resources(struct rxe_qp *qp, unsigned int n) in alloc_rd_atomic_resources() argument
111 qp->resp.res_head = 0; in alloc_rd_atomic_resources()
112 qp->resp.res_tail = 0; in alloc_rd_atomic_resources()
113 qp->resp.resources = kcalloc(n, sizeof(struct resp_res), GFP_KERNEL); in alloc_rd_atomic_resources()
115 if (!qp->resp.resources) in alloc_rd_atomic_resources()
121 static void free_rd_atomic_resources(struct rxe_qp *qp) in free_rd_atomic_resources() argument
123 if (qp->resp.resources) { in free_rd_atomic_resources()
126 for (i = 0; i < qp->attr.max_dest_rd_atomic; i++) { in free_rd_atomic_resources()
127 struct resp_res *res = &qp->resp.resources[i]; in free_rd_atomic_resources()
129 free_rd_atomic_resource(qp, res); in free_rd_atomic_resources()
131 kfree(qp->resp.resources); in free_rd_atomic_resources()
132 qp->resp.resources = NULL; in free_rd_atomic_resources()
136 void free_rd_atomic_resource(struct rxe_qp *qp, struct resp_res *res) in free_rd_atomic_resource() argument
139 rxe_drop_ref(qp); in free_rd_atomic_resource()
148 static void cleanup_rd_atomic_resources(struct rxe_qp *qp) in cleanup_rd_atomic_resources() argument
153 if (qp->resp.resources) { in cleanup_rd_atomic_resources()
154 for (i = 0; i < qp->attr.max_dest_rd_atomic; i++) { in cleanup_rd_atomic_resources()
155 res = &qp->resp.resources[i]; in cleanup_rd_atomic_resources()
156 free_rd_atomic_resource(qp, res); in cleanup_rd_atomic_resources()
161 static void rxe_qp_init_misc(struct rxe_dev *rxe, struct rxe_qp *qp, in rxe_qp_init_misc() argument
167 qp->sq_sig_type = init->sq_sig_type; in rxe_qp_init_misc()
168 qp->attr.path_mtu = 1; in rxe_qp_init_misc()
169 qp->mtu = ib_mtu_enum_to_int(qp->attr.path_mtu); in rxe_qp_init_misc()
171 qpn = qp->pelem.index; in rxe_qp_init_misc()
176 qp->ibqp.qp_num = 0; in rxe_qp_init_misc()
178 qp->attr.port_num = init->port_num; in rxe_qp_init_misc()
182 qp->ibqp.qp_num = 1; in rxe_qp_init_misc()
184 qp->attr.port_num = init->port_num; in rxe_qp_init_misc()
188 qp->ibqp.qp_num = qpn; in rxe_qp_init_misc()
192 INIT_LIST_HEAD(&qp->grp_list); in rxe_qp_init_misc()
194 skb_queue_head_init(&qp->send_pkts); in rxe_qp_init_misc()
196 spin_lock_init(&qp->grp_lock); in rxe_qp_init_misc()
197 spin_lock_init(&qp->state_lock); in rxe_qp_init_misc()
199 atomic_set(&qp->ssn, 0); in rxe_qp_init_misc()
200 atomic_set(&qp->skb_out, 0); in rxe_qp_init_misc()
203 static int rxe_qp_init_req(struct rxe_dev *rxe, struct rxe_qp *qp, in rxe_qp_init_req() argument
210 err = sock_create_kern(&init_net, AF_INET, SOCK_DGRAM, 0, &qp->sk); in rxe_qp_init_req()
213 qp->sk->sk->sk_user_data = qp; in rxe_qp_init_req()
222 qp->src_port = RXE_ROCE_V2_SPORT + in rxe_qp_init_req()
223 (hash_32_generic(qp_num(qp), 14) & 0x3fff); in rxe_qp_init_req()
224 qp->sq.max_wr = init->cap.max_send_wr; in rxe_qp_init_req()
229 qp->sq.max_sge = init->cap.max_send_sge = in rxe_qp_init_req()
231 qp->sq.max_inline = init->cap.max_inline_data = wqe_size; in rxe_qp_init_req()
234 qp->sq.queue = rxe_queue_init(rxe, &qp->sq.max_wr, wqe_size); in rxe_qp_init_req()
235 if (!qp->sq.queue) in rxe_qp_init_req()
239 qp->sq.queue->buf, qp->sq.queue->buf_size, in rxe_qp_init_req()
240 &qp->sq.queue->ip); in rxe_qp_init_req()
243 vfree(qp->sq.queue->buf); in rxe_qp_init_req()
244 kfree(qp->sq.queue); in rxe_qp_init_req()
248 qp->req.wqe_index = producer_index(qp->sq.queue); in rxe_qp_init_req()
249 qp->req.state = QP_STATE_RESET; in rxe_qp_init_req()
250 qp->req.opcode = -1; in rxe_qp_init_req()
251 qp->comp.opcode = -1; in rxe_qp_init_req()
253 spin_lock_init(&qp->sq.sq_lock); in rxe_qp_init_req()
254 skb_queue_head_init(&qp->req_pkts); in rxe_qp_init_req()
256 rxe_init_task(rxe, &qp->req.task, qp, in rxe_qp_init_req()
258 rxe_init_task(rxe, &qp->comp.task, qp, in rxe_qp_init_req()
261 qp->qp_timeout_jiffies = 0; /* Can't be set for UD/UC in modify_qp */ in rxe_qp_init_req()
263 timer_setup(&qp->rnr_nak_timer, rnr_nak_timer, 0); in rxe_qp_init_req()
264 timer_setup(&qp->retrans_timer, retransmit_timer, 0); in rxe_qp_init_req()
269 static int rxe_qp_init_resp(struct rxe_dev *rxe, struct rxe_qp *qp, in rxe_qp_init_resp() argument
277 if (!qp->srq) { in rxe_qp_init_resp()
278 qp->rq.max_wr = init->cap.max_recv_wr; in rxe_qp_init_resp()
279 qp->rq.max_sge = init->cap.max_recv_sge; in rxe_qp_init_resp()
281 wqe_size = rcv_wqe_size(qp->rq.max_sge); in rxe_qp_init_resp()
284 qp_num(qp), qp->rq.max_wr, qp->rq.max_sge, wqe_size); in rxe_qp_init_resp()
286 qp->rq.queue = rxe_queue_init(rxe, in rxe_qp_init_resp()
287 &qp->rq.max_wr, in rxe_qp_init_resp()
289 if (!qp->rq.queue) in rxe_qp_init_resp()
293 qp->rq.queue->buf, qp->rq.queue->buf_size, in rxe_qp_init_resp()
294 &qp->rq.queue->ip); in rxe_qp_init_resp()
296 vfree(qp->rq.queue->buf); in rxe_qp_init_resp()
297 kfree(qp->rq.queue); in rxe_qp_init_resp()
302 spin_lock_init(&qp->rq.producer_lock); in rxe_qp_init_resp()
303 spin_lock_init(&qp->rq.consumer_lock); in rxe_qp_init_resp()
305 skb_queue_head_init(&qp->resp_pkts); in rxe_qp_init_resp()
307 rxe_init_task(rxe, &qp->resp.task, qp, in rxe_qp_init_resp()
310 qp->resp.opcode = OPCODE_NONE; in rxe_qp_init_resp()
311 qp->resp.msn = 0; in rxe_qp_init_resp()
312 qp->resp.state = QP_STATE_RESET; in rxe_qp_init_resp()
318 int rxe_qp_from_init(struct rxe_dev *rxe, struct rxe_qp *qp, struct rxe_pd *pd, in rxe_qp_from_init() argument
335 qp->pd = pd; in rxe_qp_from_init()
336 qp->rcq = rcq; in rxe_qp_from_init()
337 qp->scq = scq; in rxe_qp_from_init()
338 qp->srq = srq; in rxe_qp_from_init()
340 rxe_qp_init_misc(rxe, qp, init); in rxe_qp_from_init()
342 err = rxe_qp_init_req(rxe, qp, init, udata, uresp); in rxe_qp_from_init()
346 err = rxe_qp_init_resp(rxe, qp, init, udata, uresp); in rxe_qp_from_init()
350 qp->attr.qp_state = IB_QPS_RESET; in rxe_qp_from_init()
351 qp->valid = 1; in rxe_qp_from_init()
356 rxe_queue_cleanup(qp->sq.queue); in rxe_qp_from_init()
368 int rxe_qp_to_init(struct rxe_qp *qp, struct ib_qp_init_attr *init) in rxe_qp_to_init() argument
370 init->event_handler = qp->ibqp.event_handler; in rxe_qp_to_init()
371 init->qp_context = qp->ibqp.qp_context; in rxe_qp_to_init()
372 init->send_cq = qp->ibqp.send_cq; in rxe_qp_to_init()
373 init->recv_cq = qp->ibqp.recv_cq; in rxe_qp_to_init()
374 init->srq = qp->ibqp.srq; in rxe_qp_to_init()
376 init->cap.max_send_wr = qp->sq.max_wr; in rxe_qp_to_init()
377 init->cap.max_send_sge = qp->sq.max_sge; in rxe_qp_to_init()
378 init->cap.max_inline_data = qp->sq.max_inline; in rxe_qp_to_init()
380 if (!qp->srq) { in rxe_qp_to_init()
381 init->cap.max_recv_wr = qp->rq.max_wr; in rxe_qp_to_init()
382 init->cap.max_recv_sge = qp->rq.max_sge; in rxe_qp_to_init()
385 init->sq_sig_type = qp->sq_sig_type; in rxe_qp_to_init()
387 init->qp_type = qp->ibqp.qp_type; in rxe_qp_to_init()
396 int rxe_qp_chk_attr(struct rxe_dev *rxe, struct rxe_qp *qp, in rxe_qp_chk_attr() argument
400 attr->cur_qp_state : qp->attr.qp_state; in rxe_qp_chk_attr()
404 if (!ib_modify_qp_is_ok(cur_state, new_state, qp_type(qp), mask)) { in rxe_qp_chk_attr()
411 if (qp->req.state == QP_STATE_DRAIN && in rxe_qp_chk_attr()
424 if (mask & IB_QP_CAP && rxe_qp_chk_cap(rxe, &attr->cap, !!qp->srq)) in rxe_qp_chk_attr()
482 static void rxe_qp_reset(struct rxe_qp *qp) in rxe_qp_reset() argument
485 rxe_disable_task(&qp->resp.task); in rxe_qp_reset()
488 if (qp->sq.queue) { in rxe_qp_reset()
489 if (qp_type(qp) == IB_QPT_RC) in rxe_qp_reset()
490 rxe_disable_task(&qp->comp.task); in rxe_qp_reset()
491 rxe_disable_task(&qp->req.task); in rxe_qp_reset()
495 qp->req.state = QP_STATE_RESET; in rxe_qp_reset()
496 qp->resp.state = QP_STATE_RESET; in rxe_qp_reset()
501 __rxe_do_task(&qp->resp.task); in rxe_qp_reset()
503 if (qp->sq.queue) { in rxe_qp_reset()
504 __rxe_do_task(&qp->comp.task); in rxe_qp_reset()
505 __rxe_do_task(&qp->req.task); in rxe_qp_reset()
506 rxe_queue_reset(qp->sq.queue); in rxe_qp_reset()
510 atomic_set(&qp->ssn, 0); in rxe_qp_reset()
511 qp->req.opcode = -1; in rxe_qp_reset()
512 qp->req.need_retry = 0; in rxe_qp_reset()
513 qp->req.noack_pkts = 0; in rxe_qp_reset()
514 qp->resp.msn = 0; in rxe_qp_reset()
515 qp->resp.opcode = -1; in rxe_qp_reset()
516 qp->resp.drop_msg = 0; in rxe_qp_reset()
517 qp->resp.goto_error = 0; in rxe_qp_reset()
518 qp->resp.sent_psn_nak = 0; in rxe_qp_reset()
520 if (qp->resp.mr) { in rxe_qp_reset()
521 rxe_drop_ref(qp->resp.mr); in rxe_qp_reset()
522 qp->resp.mr = NULL; in rxe_qp_reset()
525 cleanup_rd_atomic_resources(qp); in rxe_qp_reset()
528 rxe_enable_task(&qp->resp.task); in rxe_qp_reset()
530 if (qp->sq.queue) { in rxe_qp_reset()
531 if (qp_type(qp) == IB_QPT_RC) in rxe_qp_reset()
532 rxe_enable_task(&qp->comp.task); in rxe_qp_reset()
534 rxe_enable_task(&qp->req.task); in rxe_qp_reset()
539 static void rxe_qp_drain(struct rxe_qp *qp) in rxe_qp_drain() argument
541 if (qp->sq.queue) { in rxe_qp_drain()
542 if (qp->req.state != QP_STATE_DRAINED) { in rxe_qp_drain()
543 qp->req.state = QP_STATE_DRAIN; in rxe_qp_drain()
544 if (qp_type(qp) == IB_QPT_RC) in rxe_qp_drain()
545 rxe_run_task(&qp->comp.task, 1); in rxe_qp_drain()
547 __rxe_do_task(&qp->comp.task); in rxe_qp_drain()
548 rxe_run_task(&qp->req.task, 1); in rxe_qp_drain()
554 void rxe_qp_error(struct rxe_qp *qp) in rxe_qp_error() argument
556 qp->req.state = QP_STATE_ERROR; in rxe_qp_error()
557 qp->resp.state = QP_STATE_ERROR; in rxe_qp_error()
558 qp->attr.qp_state = IB_QPS_ERR; in rxe_qp_error()
561 rxe_run_task(&qp->resp.task, 1); in rxe_qp_error()
563 if (qp_type(qp) == IB_QPT_RC) in rxe_qp_error()
564 rxe_run_task(&qp->comp.task, 1); in rxe_qp_error()
566 __rxe_do_task(&qp->comp.task); in rxe_qp_error()
567 rxe_run_task(&qp->req.task, 1); in rxe_qp_error()
571 int rxe_qp_from_attr(struct rxe_qp *qp, struct ib_qp_attr *attr, int mask, in rxe_qp_from_attr() argument
580 qp->attr.max_rd_atomic = max_rd_atomic; in rxe_qp_from_attr()
581 atomic_set(&qp->req.rd_atomic, max_rd_atomic); in rxe_qp_from_attr()
588 qp->attr.max_dest_rd_atomic = max_dest_rd_atomic; in rxe_qp_from_attr()
590 free_rd_atomic_resources(qp); in rxe_qp_from_attr()
592 err = alloc_rd_atomic_resources(qp, max_dest_rd_atomic); in rxe_qp_from_attr()
598 qp->attr.cur_qp_state = attr->qp_state; in rxe_qp_from_attr()
601 qp->attr.en_sqd_async_notify = attr->en_sqd_async_notify; in rxe_qp_from_attr()
604 qp->attr.qp_access_flags = attr->qp_access_flags; in rxe_qp_from_attr()
607 qp->attr.pkey_index = attr->pkey_index; in rxe_qp_from_attr()
610 qp->attr.port_num = attr->port_num; in rxe_qp_from_attr()
613 qp->attr.qkey = attr->qkey; in rxe_qp_from_attr()
616 rxe_init_av(&attr->ah_attr, &qp->pri_av); in rxe_qp_from_attr()
619 rxe_init_av(&attr->alt_ah_attr, &qp->alt_av); in rxe_qp_from_attr()
620 qp->attr.alt_port_num = attr->alt_port_num; in rxe_qp_from_attr()
621 qp->attr.alt_pkey_index = attr->alt_pkey_index; in rxe_qp_from_attr()
622 qp->attr.alt_timeout = attr->alt_timeout; in rxe_qp_from_attr()
626 qp->attr.path_mtu = attr->path_mtu; in rxe_qp_from_attr()
627 qp->mtu = ib_mtu_enum_to_int(attr->path_mtu); in rxe_qp_from_attr()
631 qp->attr.timeout = attr->timeout; in rxe_qp_from_attr()
633 qp->qp_timeout_jiffies = 0; in rxe_qp_from_attr()
638 qp->qp_timeout_jiffies = j ? j : 1; in rxe_qp_from_attr()
643 qp->attr.retry_cnt = attr->retry_cnt; in rxe_qp_from_attr()
644 qp->comp.retry_cnt = attr->retry_cnt; in rxe_qp_from_attr()
645 pr_debug("qp#%d set retry count = %d\n", qp_num(qp), in rxe_qp_from_attr()
650 qp->attr.rnr_retry = attr->rnr_retry; in rxe_qp_from_attr()
651 qp->comp.rnr_retry = attr->rnr_retry; in rxe_qp_from_attr()
652 pr_debug("qp#%d set rnr retry count = %d\n", qp_num(qp), in rxe_qp_from_attr()
657 qp->attr.rq_psn = (attr->rq_psn & BTH_PSN_MASK); in rxe_qp_from_attr()
658 qp->resp.psn = qp->attr.rq_psn; in rxe_qp_from_attr()
659 pr_debug("qp#%d set resp psn = 0x%x\n", qp_num(qp), in rxe_qp_from_attr()
660 qp->resp.psn); in rxe_qp_from_attr()
664 qp->attr.min_rnr_timer = attr->min_rnr_timer; in rxe_qp_from_attr()
665 pr_debug("qp#%d set min rnr timer = 0x%x\n", qp_num(qp), in rxe_qp_from_attr()
670 qp->attr.sq_psn = (attr->sq_psn & BTH_PSN_MASK); in rxe_qp_from_attr()
671 qp->req.psn = qp->attr.sq_psn; in rxe_qp_from_attr()
672 qp->comp.psn = qp->attr.sq_psn; in rxe_qp_from_attr()
673 pr_debug("qp#%d set req psn = 0x%x\n", qp_num(qp), qp->req.psn); in rxe_qp_from_attr()
677 qp->attr.path_mig_state = attr->path_mig_state; in rxe_qp_from_attr()
680 qp->attr.dest_qp_num = attr->dest_qp_num; in rxe_qp_from_attr()
683 qp->attr.qp_state = attr->qp_state; in rxe_qp_from_attr()
687 pr_debug("qp#%d state -> RESET\n", qp_num(qp)); in rxe_qp_from_attr()
688 rxe_qp_reset(qp); in rxe_qp_from_attr()
692 pr_debug("qp#%d state -> INIT\n", qp_num(qp)); in rxe_qp_from_attr()
693 qp->req.state = QP_STATE_INIT; in rxe_qp_from_attr()
694 qp->resp.state = QP_STATE_INIT; in rxe_qp_from_attr()
698 pr_debug("qp#%d state -> RTR\n", qp_num(qp)); in rxe_qp_from_attr()
699 qp->resp.state = QP_STATE_READY; in rxe_qp_from_attr()
703 pr_debug("qp#%d state -> RTS\n", qp_num(qp)); in rxe_qp_from_attr()
704 qp->req.state = QP_STATE_READY; in rxe_qp_from_attr()
708 pr_debug("qp#%d state -> SQD\n", qp_num(qp)); in rxe_qp_from_attr()
709 rxe_qp_drain(qp); in rxe_qp_from_attr()
713 pr_warn("qp#%d state -> SQE !!?\n", qp_num(qp)); in rxe_qp_from_attr()
718 pr_debug("qp#%d state -> ERR\n", qp_num(qp)); in rxe_qp_from_attr()
719 rxe_qp_error(qp); in rxe_qp_from_attr()
728 int rxe_qp_to_attr(struct rxe_qp *qp, struct ib_qp_attr *attr, int mask) in rxe_qp_to_attr() argument
730 *attr = qp->attr; in rxe_qp_to_attr()
732 attr->rq_psn = qp->resp.psn; in rxe_qp_to_attr()
733 attr->sq_psn = qp->req.psn; in rxe_qp_to_attr()
735 attr->cap.max_send_wr = qp->sq.max_wr; in rxe_qp_to_attr()
736 attr->cap.max_send_sge = qp->sq.max_sge; in rxe_qp_to_attr()
737 attr->cap.max_inline_data = qp->sq.max_inline; in rxe_qp_to_attr()
739 if (!qp->srq) { in rxe_qp_to_attr()
740 attr->cap.max_recv_wr = qp->rq.max_wr; in rxe_qp_to_attr()
741 attr->cap.max_recv_sge = qp->rq.max_sge; in rxe_qp_to_attr()
744 rxe_av_to_attr(&qp->pri_av, &attr->ah_attr); in rxe_qp_to_attr()
745 rxe_av_to_attr(&qp->alt_av, &attr->alt_ah_attr); in rxe_qp_to_attr()
747 if (qp->req.state == QP_STATE_DRAIN) { in rxe_qp_to_attr()
764 void rxe_qp_destroy(struct rxe_qp *qp) in rxe_qp_destroy() argument
766 qp->valid = 0; in rxe_qp_destroy()
767 qp->qp_timeout_jiffies = 0; in rxe_qp_destroy()
768 rxe_cleanup_task(&qp->resp.task); in rxe_qp_destroy()
770 if (qp_type(qp) == IB_QPT_RC) { in rxe_qp_destroy()
771 del_timer_sync(&qp->retrans_timer); in rxe_qp_destroy()
772 del_timer_sync(&qp->rnr_nak_timer); in rxe_qp_destroy()
775 rxe_cleanup_task(&qp->req.task); in rxe_qp_destroy()
776 rxe_cleanup_task(&qp->comp.task); in rxe_qp_destroy()
779 __rxe_do_task(&qp->req.task); in rxe_qp_destroy()
780 if (qp->sq.queue) { in rxe_qp_destroy()
781 __rxe_do_task(&qp->comp.task); in rxe_qp_destroy()
782 __rxe_do_task(&qp->req.task); in rxe_qp_destroy()
789 struct rxe_qp *qp = container_of(work, typeof(*qp), cleanup_work.work); in rxe_qp_do_cleanup() local
791 rxe_drop_all_mcast_groups(qp); in rxe_qp_do_cleanup()
793 if (qp->sq.queue) in rxe_qp_do_cleanup()
794 rxe_queue_cleanup(qp->sq.queue); in rxe_qp_do_cleanup()
796 if (qp->srq) in rxe_qp_do_cleanup()
797 rxe_drop_ref(qp->srq); in rxe_qp_do_cleanup()
799 if (qp->rq.queue) in rxe_qp_do_cleanup()
800 rxe_queue_cleanup(qp->rq.queue); in rxe_qp_do_cleanup()
802 if (qp->scq) in rxe_qp_do_cleanup()
803 rxe_drop_ref(qp->scq); in rxe_qp_do_cleanup()
804 if (qp->rcq) in rxe_qp_do_cleanup()
805 rxe_drop_ref(qp->rcq); in rxe_qp_do_cleanup()
806 if (qp->pd) in rxe_qp_do_cleanup()
807 rxe_drop_ref(qp->pd); in rxe_qp_do_cleanup()
809 if (qp->resp.mr) { in rxe_qp_do_cleanup()
810 rxe_drop_ref(qp->resp.mr); in rxe_qp_do_cleanup()
811 qp->resp.mr = NULL; in rxe_qp_do_cleanup()
814 if (qp_type(qp) == IB_QPT_RC) in rxe_qp_do_cleanup()
815 sk_dst_reset(qp->sk->sk); in rxe_qp_do_cleanup()
817 free_rd_atomic_resources(qp); in rxe_qp_do_cleanup()
819 kernel_sock_shutdown(qp->sk, SHUT_RDWR); in rxe_qp_do_cleanup()
820 sock_release(qp->sk); in rxe_qp_do_cleanup()
826 struct rxe_qp *qp = container_of(arg, typeof(*qp), pelem); in rxe_qp_cleanup() local
828 execute_in_process_context(rxe_qp_do_cleanup, &qp->cleanup_work); in rxe_qp_cleanup()