Lines Matching defs:mcast
74 struct ipoib_mcast *mcast,
85 if (mcast && delay) {
89 mcast->backoff *= 2;
90 if (mcast->backoff > IPOIB_MAX_BACKOFF_SECONDS)
91 mcast->backoff = IPOIB_MAX_BACKOFF_SECONDS;
92 mcast->delay_until = jiffies + (mcast->backoff * HZ);
94 * Mark this mcast for its delay, but restart the
112 static void ipoib_mcast_free(struct ipoib_mcast *mcast)
114 struct net_device *dev = mcast->dev;
118 mcast->mcmember.mgid.raw);
120 /* remove all neigh connected to this mcast */
121 ipoib_del_neighs_by_gid(dev, mcast->mcmember.mgid.raw);
123 if (mcast->ah)
124 ipoib_put_ah(mcast->ah);
126 while (!skb_queue_empty(&mcast->pkt_queue)) {
128 dev_kfree_skb_any(skb_dequeue(&mcast->pkt_queue));
135 kfree(mcast);
140 struct ipoib_mcast *mcast;
142 mcast = kzalloc(sizeof(*mcast), GFP_ATOMIC);
143 if (!mcast)
146 mcast->dev = dev;
147 mcast->created = jiffies;
148 mcast->delay_until = jiffies;
149 mcast->backoff = 1;
151 INIT_LIST_HEAD(&mcast->list);
152 INIT_LIST_HEAD(&mcast->neigh_list);
153 skb_queue_head_init(&mcast->pkt_queue);
155 return mcast;
164 struct ipoib_mcast *mcast;
167 mcast = rb_entry(n, struct ipoib_mcast, rb_node);
169 ret = memcmp(mgid, mcast->mcmember.mgid.raw,
176 return mcast;
182 static int __ipoib_mcast_add(struct net_device *dev, struct ipoib_mcast *mcast)
194 ret = memcmp(mcast->mcmember.mgid.raw, tmcast->mcmember.mgid.raw,
204 rb_link_node(&mcast->rb_node, pn, n);
205 rb_insert_color(&mcast->rb_node, &priv->multicast_tree);
210 static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast,
213 struct net_device *dev = mcast->dev;
222 mcast->mcmember = *mcmember;
227 if (!memcmp(mcast->mcmember.mgid.raw, priv->dev->broadcast + 4,
234 /*update priv member according to the new mcast*/
242 /* assume if the admin and the mcast are the same both can be changed */
256 if (!test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags)) {
257 if (test_and_set_bit(IPOIB_MCAST_FLAG_ATTACHED, &mcast->flags)) {
259 mcast->mcmember.mgid.raw);
264 ret = rn->attach_mcast(dev, priv->ca, &mcast->mcmember.mgid,
265 be16_to_cpu(mcast->mcmember.mlid),
269 mcast->mcmember.mgid.raw);
271 clear_bit(IPOIB_MCAST_FLAG_ATTACHED, &mcast->flags);
278 rdma_ah_set_dlid(&av, be16_to_cpu(mcast->mcmember.mlid));
280 rdma_ah_set_sl(&av, mcast->mcmember.sl);
281 rdma_ah_set_static_rate(&av, mcast->mcmember.rate);
283 rdma_ah_set_grh(&av, &mcast->mcmember.mgid,
284 be32_to_cpu(mcast->mcmember.flow_label),
285 0, mcast->mcmember.hop_limit,
286 mcast->mcmember.traffic_class);
296 mcast->ah = ah;
300 mcast->mcmember.mgid.raw,
301 mcast->ah->ah,
302 be16_to_cpu(mcast->mcmember.mlid),
303 mcast->mcmember.sl);
307 while (!skb_queue_empty(&mcast->pkt_queue)) {
308 struct sk_buff *skb = skb_dequeue(&mcast->pkt_queue);
360 struct ipoib_mcast *mcast = multicast->context;
361 struct net_device *dev = mcast->dev;
365 test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags) ?
367 mcast->mcmember.mgid.raw, status);
376 status = ipoib_mcast_join_finish(mcast, &multicast->rec);
379 mcast->backoff = 1;
380 mcast->delay_until = jiffies;
389 if (mcast == priv->broadcast) {
397 test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags) &&
400 if (mcast->logcount < 20) {
404 test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags) ? "sendonly " : "",
405 mcast->mcmember.mgid.raw, status);
408 test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags) ? "sendonly " : "",
409 mcast->mcmember.mgid.raw, status);
413 mcast->logcount++;
416 if (test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags) &&
417 mcast->backoff >= 2) {
422 * mcast list as an unjoined group. If we want to
427 mcast->backoff = 1;
429 while (!skb_queue_empty(&mcast->pkt_queue)) {
431 dev_kfree_skb_any(skb_dequeue(&mcast->pkt_queue));
437 __ipoib_mcast_schedule_join_thread(priv, mcast, 1);
445 * Make sure to set mcast->mc before we clear the busy flag to avoid
446 * racing with code that checks for BUSY before checking mcast->mc
449 mcast->mc = NULL;
451 mcast->mc = multicast;
452 clear_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags);
454 complete(&mcast->done);
462 static int ipoib_mcast_join(struct net_device *dev, struct ipoib_mcast *mcast)
476 init_completion(&mcast->done);
477 set_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags);
479 ipoib_dbg_mcast(priv, "joining MGID %pI6\n", mcast->mcmember.mgid.raw);
481 rec.mgid = mcast->mcmember.mgid;
491 if (mcast != priv->broadcast) {
531 if (test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags))
537 ipoib_mcast_join_complete, mcast);
542 __ipoib_mcast_schedule_join_thread(priv, mcast, 1);
543 clear_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags);
544 complete(&mcast->done);
557 struct ipoib_mcast *mcast = NULL;
610 mcast = priv->broadcast;
611 if (mcast->backoff > 1 &&
612 time_before(jiffies, mcast->delay_until)) {
613 delay_until = mcast->delay_until;
614 mcast = NULL;
624 list_for_each_entry(mcast, &priv->multicast_list, list) {
625 if (IS_ERR_OR_NULL(mcast->mc) &&
626 !test_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags) &&
627 (!test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags) ||
628 !skb_queue_empty(&mcast->pkt_queue))) {
629 if (mcast->backoff == 1 ||
630 time_after_eq(jiffies, mcast->delay_until)) {
632 if (ipoib_mcast_join(dev, mcast)) {
637 time_before(mcast->delay_until, delay_until))
638 delay_until = mcast->delay_until;
642 mcast = NULL;
651 if (mcast)
652 ipoib_mcast_join(dev, mcast);
678 static int ipoib_mcast_leave(struct net_device *dev, struct ipoib_mcast *mcast)
684 if (test_and_clear_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags))
687 if (!IS_ERR_OR_NULL(mcast->mc))
688 ib_sa_free_multicast(mcast->mc);
690 if (test_and_clear_bit(IPOIB_MCAST_FLAG_ATTACHED, &mcast->flags)) {
692 mcast->mcmember.mgid.raw);
695 ret = rn->detach_mcast(dev, priv->ca, &mcast->mcmember.mgid,
696 be16_to_cpu(mcast->mcmember.mlid));
699 } else if (!test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags))
715 struct ipoib_mcast *mcast = __ipoib_mcast_find(priv->dev, mgid);
717 if (mcast && test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags)) {
718 list_del(&mcast->list);
719 rb_erase(&mcast->rb_node, &priv->multicast_tree);
720 list_add_tail(&mcast->list, remove_list);
727 struct ipoib_mcast *mcast, *tmcast;
733 list_for_each_entry_safe(mcast, tmcast, remove_list, list)
734 if (test_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags))
735 wait_for_completion(&mcast->done);
737 list_for_each_entry_safe(mcast, tmcast, remove_list, list) {
738 ipoib_mcast_leave(mcast->dev, mcast);
739 ipoib_mcast_free(mcast);
747 struct ipoib_mcast *mcast;
761 mcast = __ipoib_mcast_find(dev, mgid);
762 if (!mcast || !mcast->ah) {
763 if (!mcast) {
768 mcast = ipoib_mcast_alloc(dev);
769 if (!mcast) {
777 set_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags);
778 memcpy(mcast->mcmember.mgid.raw, mgid,
780 __ipoib_mcast_add(dev, mcast);
781 list_add_tail(&mcast->list, &priv->multicast_list);
783 if (skb_queue_len(&mcast->pkt_queue) < IPOIB_MAX_MCAST_QUEUE) {
786 skb_queue_tail(&mcast->pkt_queue, skb);
791 if (!test_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags)) {
803 * once to mcast list.
806 kref_get(&mcast->ah->ref);
807 neigh->ah = mcast->ah;
809 list_add_tail(&neigh->list, &mcast->neigh_list);
813 mcast->ah->last_send = rn->send(dev, skb, mcast->ah->ah,
828 struct ipoib_mcast *mcast, *tmcast;
836 list_for_each_entry_safe(mcast, tmcast, &priv->multicast_list, list) {
837 list_del(&mcast->list);
838 rb_erase(&mcast->rb_node, &priv->multicast_tree);
839 list_add_tail(&mcast->list, &remove_list);
871 struct ipoib_mcast *mcast, *tmcast;
894 list_for_each_entry(mcast, &priv->multicast_list, list)
895 clear_bit(IPOIB_MCAST_FLAG_FOUND, &mcast->flags);
906 mcast = __ipoib_mcast_find(dev, &mgid);
907 if (!mcast || test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags)) {
932 if (mcast) {
934 list_move_tail(&mcast->list, &remove_list);
936 rb_replace_node(&mcast->rb_node,
945 if (mcast)
946 set_bit(IPOIB_MCAST_FLAG_FOUND, &mcast->flags);
950 list_for_each_entry_safe(mcast, tmcast, &priv->multicast_list, list) {
951 if (!test_bit(IPOIB_MCAST_FLAG_FOUND, &mcast->flags) &&
952 !test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags)) {
954 mcast->mcmember.mgid.raw);
956 rb_erase(&mcast->rb_node, &priv->multicast_tree);
959 list_move_tail(&mcast->list, &remove_list);
1003 struct ipoib_mcast *mcast;
1011 mcast = rb_entry(n, struct ipoib_mcast, rb_node);
1013 if (memcmp(iter->mgid.raw, mcast->mcmember.mgid.raw,
1015 iter->mgid = mcast->mcmember.mgid;
1016 iter->created = mcast->created;
1017 iter->queuelen = skb_queue_len(&mcast->pkt_queue);
1018 iter->complete = !!mcast->ah;
1019 iter->send_only = !!(mcast->flags & (1 << IPOIB_MCAST_FLAG_SENDONLY));