Lines Matching refs:priv
55 struct ipoib_ah *ipoib_create_ah(struct ipoib_dev_priv *priv,
64 ah->priv = priv;
73 ipoib_dbg(priv, "Created ah %p\n", ah->ah);
81 struct ipoib_dev_priv *priv = ah->priv;
85 spin_lock_irqsave(&priv->lock, flags);
86 list_add_tail(&ah->list, &priv->dead_ahs);
87 spin_unlock_irqrestore(&priv->lock, flags);
91 ipoib_dma_unmap_rx(struct ipoib_dev_priv *priv, struct ipoib_rx_buf *rx_req)
97 ib_dma_unmap_single(priv->ca, rx_req->mapping[i], m->m_len,
102 ipoib_dma_mb(struct ipoib_dev_priv *priv, struct mbuf *mb, unsigned int length)
109 ipoib_alloc_map_mb(struct ipoib_dev_priv *priv, struct ipoib_rx_buf *rx_req,
123 rx_req->mapping[i] = ib_dma_map_single(priv->ca,
125 if (unlikely(ib_dma_mapping_error(priv->ca,
134 ib_dma_unmap_single(priv->ca, rx_req->mapping[j], m->m_len,
141 static int ipoib_ib_post_receive(struct ipoib_dev_priv *priv, int id)
149 rx_req = &priv->rx_ring[id];
151 priv->rx_sge[i].addr = rx_req->mapping[i];
152 priv->rx_sge[i].length = m->m_len;
154 priv->rx_wr.num_sge = i;
155 priv->rx_wr.wr_id = id | IPOIB_OP_RECV;
157 ret = ib_post_recv(priv->qp, &priv->rx_wr, &bad_wr);
159 ipoib_warn(priv, "receive failed for buf %d (%d)\n", id, ret);
160 ipoib_dma_unmap_rx(priv, &priv->rx_ring[id]);
161 m_freem(priv->rx_ring[id].mb);
162 priv->rx_ring[id].mb = NULL;
169 ipoib_alloc_rx_mb(struct ipoib_dev_priv *priv, int id)
172 return ipoib_alloc_map_mb(priv, &priv->rx_ring[id],
173 priv->max_ib_mtu + IB_GRH_BYTES);
176 static int ipoib_ib_post_receives(struct ipoib_dev_priv *priv)
181 if (!ipoib_alloc_rx_mb(priv, i)) {
182 ipoib_warn(priv, "failed to allocate receive buffer %d\n", i);
185 if (ipoib_ib_post_receive(priv, i)) {
186 ipoib_warn(priv, "ipoib_ib_post_receive failed for buf %d\n", i);
195 ipoib_ib_handle_rx_wc(struct ipoib_dev_priv *priv, struct ib_wc *wc)
199 struct ifnet *dev = priv->dev;
203 ipoib_dbg_data(priv, "recv completion: id %d, status: %d\n",
207 ipoib_warn(priv, "recv completion event with wrid %d (> %d)\n",
212 mb = priv->rx_ring[wr_id].mb;
216 ipoib_warn(priv, "failed recv event "
222 ipoib_dma_unmap_rx(priv, &priv->rx_ring[wr_id]);
224 priv->rx_ring[wr_id].mb = NULL;
233 if (wc->slid == priv->local_lid && wc->src_qp == priv->qp->qp_num)
236 memcpy(&saverx, &priv->rx_ring[wr_id], sizeof(saverx));
241 if (unlikely(!ipoib_alloc_rx_mb(priv, wr_id))) {
242 memcpy(&priv->rx_ring[wr_id], &saverx, sizeof(saverx));
247 ipoib_dbg_data(priv, "received %d bytes, SLID 0x%04x\n",
250 ipoib_dma_unmap_rx(priv, &saverx);
251 ipoib_dma_mb(priv, mb, wc->byte_len);
260 if (test_bit(IPOIB_FLAG_CSUM, &priv->flags) && likely(wc->csum_ok))
266 if (unlikely(ipoib_ib_post_receive(priv, wr_id)))
267 ipoib_warn(priv, "ipoib_ib_post_receive failed "
328 static void ipoib_ib_handle_tx_wc(struct ipoib_dev_priv *priv, struct ib_wc *wc)
330 struct ifnet *dev = priv->dev;
334 ipoib_dbg_data(priv, "send completion: id %d, status: %d\n",
338 ipoib_warn(priv, "send completion event with wrid %d (> %d)\n",
343 tx_req = &priv->tx_ring[wr_id];
345 ipoib_dma_unmap_tx(priv->ca, tx_req);
351 ++priv->tx_tail;
352 if (unlikely(--priv->tx_outstanding == ipoib_sendq_size >> 1) &&
354 test_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags))
359 ipoib_warn(priv, "failed send event "
365 ipoib_poll_tx(struct ipoib_dev_priv *priv)
369 n = ib_poll_cq(priv->send_cq, MAX_SEND_CQE, priv->send_wc);
371 struct ib_wc *wc = priv->send_wc + i;
373 ipoib_cm_handle_tx_wc(priv, wc);
375 ipoib_ib_handle_tx_wc(priv, wc);
382 ipoib_poll(struct ipoib_dev_priv *priv)
388 n = ib_poll_cq(priv->recv_cq, IPOIB_NUM_WC, priv->ibwc);
391 struct ib_wc *wc = priv->ibwc + i;
397 ipoib_cm_handle_rx_wc(priv, wc);
399 ipoib_ib_handle_rx_wc(priv, wc);
406 if (ib_req_notify_cq(priv->recv_cq,
413 struct ipoib_dev_priv *priv = dev_ptr;
415 ipoib_poll(priv);
418 static void drain_tx_cq(struct ipoib_dev_priv *priv)
420 struct ifnet *dev = priv->dev;
422 spin_lock(&priv->lock);
423 while (ipoib_poll_tx(priv))
427 mod_timer(&priv->poll_timer, jiffies + 1);
429 spin_unlock(&priv->lock);
434 struct ipoib_dev_priv *priv = dev_ptr;
436 mod_timer(&priv->poll_timer, jiffies);
440 post_send(struct ipoib_dev_priv *priv, unsigned int wr_id,
451 priv->tx_sge[i].addr = mapping[i];
452 priv->tx_sge[i].length = m->m_len;
454 priv->tx_wr.num_sge = i;
455 priv->tx_wr.wr_id = wr_id;
456 priv->tx_wr.wr.ud.remote_qpn = qpn;
457 priv->tx_wr.wr.ud.ah = address;
461 priv->tx_wr.wr.ud.mss = 0; /* XXX mb_shinfo(mb)->gso_size; */
462 priv->tx_wr.wr.ud.header = head;
463 priv->tx_wr.wr.ud.hlen = hlen;
464 priv->tx_wr.opcode = IB_WR_LSO;
466 priv->tx_wr.opcode = IB_WR_SEND;
468 return ib_post_send(priv->qp, &priv->tx_wr, &bad_wr);
472 ipoib_send(struct ipoib_dev_priv *priv, struct mbuf *mb,
475 struct ifnet *dev = priv->dev;
480 if (unlikely(priv->tx_outstanding > MAX_SEND_CQE))
481 while (ipoib_poll_tx(priv))
489 ipoib_warn(priv, "linear data too small\n");
496 if (unlikely(mb->m_pkthdr.len - IPOIB_ENCAP_LEN > priv->mcast_mtu)) {
497 ipoib_warn(priv, "packet len %d (> %d) too long to send, dropping\n",
498 mb->m_pkthdr.len, priv->mcast_mtu);
500 ipoib_cm_mb_too_long(priv, mb, priv->mcast_mtu);
507 ipoib_dbg_data(priv, "sending packet, length=%d address=%p qpn=0x%06x\n",
517 tx_req = &priv->tx_ring[priv->tx_head & (ipoib_sendq_size - 1)];
519 if (unlikely(ipoib_dma_map_tx(priv->ca, tx_req, IPOIB_UD_TX_SG))) {
527 priv->tx_wr.send_flags |= IB_SEND_IP_CSUM;
529 priv->tx_wr.send_flags &= ~IB_SEND_IP_CSUM;
531 if (++priv->tx_outstanding == ipoib_sendq_size) {
532 ipoib_dbg(priv, "TX ring full, stopping kernel net queue\n");
533 if (ib_req_notify_cq(priv->send_cq, IB_CQ_NEXT_COMP))
534 ipoib_warn(priv, "request notify on send CQ failed\n");
538 if (unlikely(post_send(priv,
539 priv->tx_head & (ipoib_sendq_size - 1), address->ah, qpn,
541 ipoib_warn(priv, "post_send failed\n");
543 --priv->tx_outstanding;
544 ipoib_dma_unmap_tx(priv->ca, tx_req);
549 address->last_send = priv->tx_head;
550 ++priv->tx_head;
554 static void __ipoib_reap_ah(struct ipoib_dev_priv *priv)
560 spin_lock_irqsave(&priv->lock, flags);
562 list_for_each_entry_safe(ah, tah, &priv->dead_ahs, list)
563 if ((int) priv->tx_tail - (int) ah->last_send >= 0) {
569 spin_unlock_irqrestore(&priv->lock, flags);
574 struct ipoib_dev_priv *priv =
577 __ipoib_reap_ah(priv);
579 if (!test_bit(IPOIB_STOP_REAPER, &priv->flags))
580 queue_delayed_work(ipoib_workqueue, &priv->ah_reap_task,
584 static void ipoib_ah_dev_cleanup(struct ipoib_dev_priv *priv)
590 while (!list_empty(&priv->dead_ahs)) {
591 __ipoib_reap_ah(priv);
594 ipoib_warn(priv, "timing out; will leak address handles\n");
607 int ipoib_ib_dev_open(struct ipoib_dev_priv *priv)
611 if (ib_find_pkey(priv->ca, priv->port, priv->pkey, &priv->pkey_index)) {
612 ipoib_warn(priv, "P_Key 0x%04x not found\n", priv->pkey);
613 clear_bit(IPOIB_PKEY_ASSIGNED, &priv->flags);
616 set_bit(IPOIB_PKEY_ASSIGNED, &priv->flags);
618 ret = ipoib_init_qp(priv);
620 ipoib_warn(priv, "ipoib_init_qp returned %d\n", ret);
624 ret = ipoib_ib_post_receives(priv);
626 ipoib_warn(priv, "ipoib_ib_post_receives returned %d\n", ret);
627 ipoib_ib_dev_stop(priv, 1);
631 ret = ipoib_cm_dev_open(priv);
633 ipoib_warn(priv, "ipoib_cm_dev_open returned %d\n", ret);
634 ipoib_ib_dev_stop(priv, 1);
638 clear_bit(IPOIB_STOP_REAPER, &priv->flags);
639 queue_delayed_work(ipoib_workqueue, &priv->ah_reap_task, HZ);
644 static void ipoib_pkey_dev_check_presence(struct ipoib_dev_priv *priv)
648 if (ib_find_pkey(priv->ca, priv->port, priv->pkey, &pkey_index))
649 clear_bit(IPOIB_PKEY_ASSIGNED, &priv->flags);
651 set_bit(IPOIB_PKEY_ASSIGNED, &priv->flags);
654 int ipoib_ib_dev_up(struct ipoib_dev_priv *priv)
657 ipoib_pkey_dev_check_presence(priv);
659 if (!test_bit(IPOIB_PKEY_ASSIGNED, &priv->flags)) {
660 ipoib_dbg(priv, "PKEY is not assigned.\n");
664 set_bit(IPOIB_FLAG_OPER_UP, &priv->flags);
666 return ipoib_mcast_start_thread(priv);
669 int ipoib_ib_dev_down(struct ipoib_dev_priv *priv, int flush)
672 ipoib_dbg(priv, "downing ib_dev\n");
674 clear_bit(IPOIB_FLAG_OPER_UP, &priv->flags);
675 if_link_state_change(priv->dev, LINK_STATE_DOWN);
678 if (!test_bit(IPOIB_PKEY_ASSIGNED, &priv->flags)) {
680 set_bit(IPOIB_PKEY_STOP, &priv->flags);
681 cancel_delayed_work(&priv->pkey_poll_task);
687 ipoib_mcast_stop_thread(priv, flush);
688 ipoib_mcast_dev_flush(priv);
690 ipoib_flush_paths(priv);
695 static int recvs_pending(struct ipoib_dev_priv *priv)
701 if (priv->rx_ring[i].mb)
707 void ipoib_drain_cq(struct ipoib_dev_priv *priv)
712 n = ib_poll_cq(priv->recv_cq, IPOIB_NUM_WC, priv->ibwc);
719 if (priv->ibwc[i].status == IB_WC_SUCCESS)
720 priv->ibwc[i].status = IB_WC_WR_FLUSH_ERR;
722 if ((priv->ibwc[i].wr_id & IPOIB_OP_RECV) == 0)
724 (intmax_t)priv->ibwc[i].wr_id);
725 if (priv->ibwc[i].wr_id & IPOIB_OP_CM)
726 ipoib_cm_handle_rx_wc(priv, priv->ibwc + i);
728 ipoib_ib_handle_rx_wc(priv, priv->ibwc + i);
732 spin_lock(&priv->lock);
733 while (ipoib_poll_tx(priv))
736 spin_unlock(&priv->lock);
739 int ipoib_ib_dev_stop(struct ipoib_dev_priv *priv, int flush)
746 ipoib_cm_dev_stop(priv);
753 if (ib_modify_qp(priv->qp, &qp_attr, IB_QP_STATE))
754 ipoib_warn(priv, "Failed to modify QP to ERROR state\n");
759 while (priv->tx_head != priv->tx_tail || recvs_pending(priv)) {
761 ipoib_warn(priv, "timing out; %d sends %d receives not completed\n",
762 priv->tx_head - priv->tx_tail, recvs_pending(priv));
768 while ((int) priv->tx_tail - (int) priv->tx_head < 0) {
769 tx_req = &priv->tx_ring[priv->tx_tail &
771 ipoib_dma_unmap_tx(priv->ca, tx_req);
773 ++priv->tx_tail;
774 --priv->tx_outstanding;
780 rx_req = &priv->rx_ring[i];
783 ipoib_dma_unmap_rx(priv, &priv->rx_ring[i]);
791 ipoib_drain_cq(priv);
796 ipoib_dbg(priv, "All sends and receives done.\n");
799 del_timer_sync(&priv->poll_timer);
801 if (ib_modify_qp(priv->qp, &qp_attr, IB_QP_STATE))
802 ipoib_warn(priv, "Failed to modify QP to RESET state\n");
805 set_bit(IPOIB_STOP_REAPER, &priv->flags);
806 cancel_delayed_work(&priv->ah_reap_task);
810 ipoib_ah_dev_cleanup(priv);
812 ib_req_notify_cq(priv->recv_cq, IB_CQ_NEXT_COMP);
817 int ipoib_ib_dev_init(struct ipoib_dev_priv *priv, struct ib_device *ca, int port)
819 struct ifnet *dev = priv->dev;
821 priv->ca = ca;
822 priv->port = port;
823 priv->qp = NULL;
825 if (ipoib_transport_dev_init(priv, ca)) {
830 setup_timer(&priv->poll_timer, ipoib_ib_tx_timer_func,
831 (unsigned long) priv);
834 if (ipoib_ib_dev_open(priv)) {
835 ipoib_transport_dev_cleanup(priv);
843 static void __ipoib_ib_dev_flush(struct ipoib_dev_priv *priv,
849 mutex_lock(&priv->vlan_mutex);
855 list_for_each_entry(cpriv, &priv->child_intfs, list)
858 mutex_unlock(&priv->vlan_mutex);
860 if (!test_bit(IPOIB_FLAG_INITIALIZED, &priv->flags)) {
861 ipoib_dbg(priv, "Not flushing - IPOIB_FLAG_INITIALIZED not set.\n");
865 if (!test_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags)) {
866 ipoib_dbg(priv, "Not flushing - IPOIB_FLAG_ADMIN_UP not set.\n");
871 if (ib_find_pkey(priv->ca, priv->port, priv->pkey, &new_index)) {
872 clear_bit(IPOIB_PKEY_ASSIGNED, &priv->flags);
873 ipoib_ib_dev_down(priv, 0);
874 ipoib_ib_dev_stop(priv, 0);
875 if (ipoib_pkey_dev_delay_open(priv))
880 if (test_and_set_bit(IPOIB_PKEY_ASSIGNED, &priv->flags) &&
881 new_index == priv->pkey_index) {
882 ipoib_dbg(priv, "Not flushing - P_Key index not changed.\n");
885 priv->pkey_index = new_index;
889 ipoib_mark_paths_invalid(priv);
890 ipoib_mcast_dev_flush(priv);
894 ipoib_ib_dev_down(priv, 0);
897 ipoib_ib_dev_stop(priv, 0);
898 ipoib_ib_dev_open(priv);
905 if (test_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags)) {
907 ipoib_ib_dev_up(priv);
908 ipoib_mcast_restart_task(&priv->restart_task);
914 struct ipoib_dev_priv *priv =
917 __ipoib_ib_dev_flush(priv, IPOIB_FLUSH_LIGHT);
922 struct ipoib_dev_priv *priv =
925 __ipoib_ib_dev_flush(priv, IPOIB_FLUSH_NORMAL);
930 struct ipoib_dev_priv *priv =
933 __ipoib_ib_dev_flush(priv, IPOIB_FLUSH_HEAVY);
936 void ipoib_ib_dev_cleanup(struct ipoib_dev_priv *priv)
939 ipoib_dbg(priv, "cleaning up ib_dev\n");
941 ipoib_mcast_stop_thread(priv, 1);
942 ipoib_mcast_dev_flush(priv);
944 ipoib_ah_dev_cleanup(priv);
945 ipoib_transport_dev_cleanup(priv);
960 struct ipoib_dev_priv *priv =
963 ipoib_pkey_dev_check_presence(priv);
965 if (test_bit(IPOIB_PKEY_ASSIGNED, &priv->flags))
966 ipoib_open(priv);
969 if (!test_bit(IPOIB_PKEY_STOP, &priv->flags))
971 &priv->pkey_poll_task,
977 int ipoib_pkey_dev_delay_open(struct ipoib_dev_priv *priv)
982 ipoib_pkey_dev_check_presence(priv);
985 if (!test_bit(IPOIB_PKEY_ASSIGNED, &priv->flags)) {
987 clear_bit(IPOIB_PKEY_STOP, &priv->flags);
989 &priv->pkey_poll_task,