Merge branches 'cxgb4', 'ipoib', 'mlx4', 'ocrdma' and 'qib' into for-next
This commit is contained in:
commit
2116fe4e8b
|
@ -2219,7 +2219,6 @@ static bool ocrdma_poll_success_scqe(struct ocrdma_qp *qp,
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u32 wqe_idx;
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if (!qp->wqe_wr_id_tbl[tail].signaled) {
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expand = true; /* CQE cannot be consumed yet */
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*polled = false; /* WC cannot be consumed yet */
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} else {
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ibwc->status = IB_WC_SUCCESS;
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@ -2227,10 +2226,11 @@ static bool ocrdma_poll_success_scqe(struct ocrdma_qp *qp,
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ibwc->qp = &qp->ibqp;
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ocrdma_update_wc(qp, ibwc, tail);
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*polled = true;
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wqe_idx = le32_to_cpu(cqe->wq.wqeidx) & OCRDMA_CQE_WQEIDX_MASK;
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if (tail != wqe_idx)
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expand = true; /* Coalesced CQE can't be consumed yet */
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}
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wqe_idx = le32_to_cpu(cqe->wq.wqeidx) & OCRDMA_CQE_WQEIDX_MASK;
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if (tail != wqe_idx)
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expand = true; /* Coalesced CQE can't be consumed yet */
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ocrdma_hwq_inc_tail(&qp->sq);
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return expand;
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}
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@ -471,9 +471,10 @@ static int subn_get_portinfo(struct ib_smp *smp, struct ib_device *ibdev,
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if (port_num != port) {
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ibp = to_iport(ibdev, port_num);
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ret = check_mkey(ibp, smp, 0);
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if (ret)
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if (ret) {
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ret = IB_MAD_RESULT_FAILURE;
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goto bail;
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}
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}
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}
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@ -262,7 +262,10 @@ struct ipoib_ethtool_st {
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u16 max_coalesced_frames;
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};
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struct ipoib_neigh_table;
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struct ipoib_neigh_hash {
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struct ipoib_neigh_table *ntbl;
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struct ipoib_neigh __rcu **buckets;
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struct rcu_head rcu;
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u32 mask;
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@ -271,9 +274,9 @@ struct ipoib_neigh_hash {
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struct ipoib_neigh_table {
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struct ipoib_neigh_hash __rcu *htbl;
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rwlock_t rwlock;
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atomic_t entries;
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struct completion flushed;
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struct completion deleted;
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};
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/*
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@ -546,15 +546,15 @@ static void neigh_add_path(struct sk_buff *skb, u8 *daddr,
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struct ipoib_neigh *neigh;
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unsigned long flags;
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spin_lock_irqsave(&priv->lock, flags);
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neigh = ipoib_neigh_alloc(daddr, dev);
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if (!neigh) {
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spin_unlock_irqrestore(&priv->lock, flags);
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++dev->stats.tx_dropped;
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dev_kfree_skb_any(skb);
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return;
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}
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spin_lock_irqsave(&priv->lock, flags);
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path = __path_find(dev, daddr + 4);
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if (!path) {
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path = path_rec_create(dev, daddr + 4);
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@ -863,10 +863,10 @@ static void __ipoib_reap_neigh(struct ipoib_dev_priv *priv)
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if (test_bit(IPOIB_STOP_NEIGH_GC, &priv->flags))
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return;
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write_lock_bh(&ntbl->rwlock);
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spin_lock_irqsave(&priv->lock, flags);
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htbl = rcu_dereference_protected(ntbl->htbl,
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lockdep_is_held(&ntbl->rwlock));
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lockdep_is_held(&priv->lock));
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if (!htbl)
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goto out_unlock;
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@ -883,16 +883,14 @@ static void __ipoib_reap_neigh(struct ipoib_dev_priv *priv)
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struct ipoib_neigh __rcu **np = &htbl->buckets[i];
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while ((neigh = rcu_dereference_protected(*np,
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lockdep_is_held(&ntbl->rwlock))) != NULL) {
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lockdep_is_held(&priv->lock))) != NULL) {
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/* was the neigh idle for two GC periods */
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if (time_after(neigh_obsolete, neigh->alive)) {
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rcu_assign_pointer(*np,
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rcu_dereference_protected(neigh->hnext,
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lockdep_is_held(&ntbl->rwlock)));
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lockdep_is_held(&priv->lock)));
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/* remove from path/mc list */
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spin_lock_irqsave(&priv->lock, flags);
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list_del(&neigh->list);
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spin_unlock_irqrestore(&priv->lock, flags);
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call_rcu(&neigh->rcu, ipoib_neigh_reclaim);
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} else {
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np = &neigh->hnext;
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@ -902,7 +900,7 @@ static void __ipoib_reap_neigh(struct ipoib_dev_priv *priv)
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}
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out_unlock:
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write_unlock_bh(&ntbl->rwlock);
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spin_unlock_irqrestore(&priv->lock, flags);
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}
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static void ipoib_reap_neigh(struct work_struct *work)
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@ -947,10 +945,8 @@ struct ipoib_neigh *ipoib_neigh_alloc(u8 *daddr,
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struct ipoib_neigh *neigh;
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u32 hash_val;
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write_lock_bh(&ntbl->rwlock);
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htbl = rcu_dereference_protected(ntbl->htbl,
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lockdep_is_held(&ntbl->rwlock));
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lockdep_is_held(&priv->lock));
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if (!htbl) {
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neigh = NULL;
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goto out_unlock;
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@ -961,10 +957,10 @@ struct ipoib_neigh *ipoib_neigh_alloc(u8 *daddr,
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*/
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hash_val = ipoib_addr_hash(htbl, daddr);
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for (neigh = rcu_dereference_protected(htbl->buckets[hash_val],
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lockdep_is_held(&ntbl->rwlock));
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lockdep_is_held(&priv->lock));
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neigh != NULL;
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neigh = rcu_dereference_protected(neigh->hnext,
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lockdep_is_held(&ntbl->rwlock))) {
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lockdep_is_held(&priv->lock))) {
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if (memcmp(daddr, neigh->daddr, INFINIBAND_ALEN) == 0) {
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/* found, take one ref on behalf of the caller */
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if (!atomic_inc_not_zero(&neigh->refcnt)) {
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@ -987,12 +983,11 @@ struct ipoib_neigh *ipoib_neigh_alloc(u8 *daddr,
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/* put in hash */
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rcu_assign_pointer(neigh->hnext,
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rcu_dereference_protected(htbl->buckets[hash_val],
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lockdep_is_held(&ntbl->rwlock)));
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lockdep_is_held(&priv->lock)));
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rcu_assign_pointer(htbl->buckets[hash_val], neigh);
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atomic_inc(&ntbl->entries);
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out_unlock:
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write_unlock_bh(&ntbl->rwlock);
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return neigh;
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}
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@ -1040,35 +1035,29 @@ void ipoib_neigh_free(struct ipoib_neigh *neigh)
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struct ipoib_neigh *n;
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u32 hash_val;
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write_lock_bh(&ntbl->rwlock);
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htbl = rcu_dereference_protected(ntbl->htbl,
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lockdep_is_held(&ntbl->rwlock));
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lockdep_is_held(&priv->lock));
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if (!htbl)
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goto out_unlock;
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return;
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hash_val = ipoib_addr_hash(htbl, neigh->daddr);
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np = &htbl->buckets[hash_val];
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for (n = rcu_dereference_protected(*np,
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lockdep_is_held(&ntbl->rwlock));
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lockdep_is_held(&priv->lock));
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n != NULL;
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n = rcu_dereference_protected(*np,
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lockdep_is_held(&ntbl->rwlock))) {
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lockdep_is_held(&priv->lock))) {
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if (n == neigh) {
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/* found */
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rcu_assign_pointer(*np,
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rcu_dereference_protected(neigh->hnext,
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lockdep_is_held(&ntbl->rwlock)));
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lockdep_is_held(&priv->lock)));
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call_rcu(&neigh->rcu, ipoib_neigh_reclaim);
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goto out_unlock;
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return;
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} else {
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np = &n->hnext;
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}
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}
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out_unlock:
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write_unlock_bh(&ntbl->rwlock);
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}
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static int ipoib_neigh_hash_init(struct ipoib_dev_priv *priv)
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@ -1080,7 +1069,6 @@ static int ipoib_neigh_hash_init(struct ipoib_dev_priv *priv)
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clear_bit(IPOIB_NEIGH_TBL_FLUSH, &priv->flags);
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ntbl->htbl = NULL;
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rwlock_init(&ntbl->rwlock);
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htbl = kzalloc(sizeof(*htbl), GFP_KERNEL);
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if (!htbl)
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return -ENOMEM;
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@ -1095,6 +1083,7 @@ static int ipoib_neigh_hash_init(struct ipoib_dev_priv *priv)
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htbl->mask = (size - 1);
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htbl->buckets = buckets;
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ntbl->htbl = htbl;
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htbl->ntbl = ntbl;
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atomic_set(&ntbl->entries, 0);
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/* start garbage collection */
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@ -1111,9 +1100,11 @@ static void neigh_hash_free_rcu(struct rcu_head *head)
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struct ipoib_neigh_hash,
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rcu);
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struct ipoib_neigh __rcu **buckets = htbl->buckets;
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struct ipoib_neigh_table *ntbl = htbl->ntbl;
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kfree(buckets);
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kfree(htbl);
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complete(&ntbl->deleted);
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}
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void ipoib_del_neighs_by_gid(struct net_device *dev, u8 *gid)
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|
@ -1125,10 +1116,10 @@ void ipoib_del_neighs_by_gid(struct net_device *dev, u8 *gid)
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int i;
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/* remove all neigh connected to a given path or mcast */
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write_lock_bh(&ntbl->rwlock);
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spin_lock_irqsave(&priv->lock, flags);
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htbl = rcu_dereference_protected(ntbl->htbl,
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lockdep_is_held(&ntbl->rwlock));
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lockdep_is_held(&priv->lock));
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|
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if (!htbl)
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goto out_unlock;
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|
@ -1138,16 +1129,14 @@ void ipoib_del_neighs_by_gid(struct net_device *dev, u8 *gid)
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struct ipoib_neigh __rcu **np = &htbl->buckets[i];
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|
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while ((neigh = rcu_dereference_protected(*np,
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lockdep_is_held(&ntbl->rwlock))) != NULL) {
|
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lockdep_is_held(&priv->lock))) != NULL) {
|
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/* delete neighs belong to this parent */
|
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if (!memcmp(gid, neigh->daddr + 4, sizeof (union ib_gid))) {
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rcu_assign_pointer(*np,
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rcu_dereference_protected(neigh->hnext,
|
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lockdep_is_held(&ntbl->rwlock)));
|
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lockdep_is_held(&priv->lock)));
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/* remove from parent list */
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spin_lock_irqsave(&priv->lock, flags);
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list_del(&neigh->list);
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spin_unlock_irqrestore(&priv->lock, flags);
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call_rcu(&neigh->rcu, ipoib_neigh_reclaim);
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} else {
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np = &neigh->hnext;
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|
@ -1156,7 +1145,7 @@ void ipoib_del_neighs_by_gid(struct net_device *dev, u8 *gid)
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}
|
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}
|
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out_unlock:
|
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write_unlock_bh(&ntbl->rwlock);
|
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spin_unlock_irqrestore(&priv->lock, flags);
|
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}
|
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|
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static void ipoib_flush_neighs(struct ipoib_dev_priv *priv)
|
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|
@ -1164,37 +1153,44 @@ static void ipoib_flush_neighs(struct ipoib_dev_priv *priv)
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|||
struct ipoib_neigh_table *ntbl = &priv->ntbl;
|
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struct ipoib_neigh_hash *htbl;
|
||||
unsigned long flags;
|
||||
int i;
|
||||
int i, wait_flushed = 0;
|
||||
|
||||
write_lock_bh(&ntbl->rwlock);
|
||||
init_completion(&priv->ntbl.flushed);
|
||||
|
||||
spin_lock_irqsave(&priv->lock, flags);
|
||||
|
||||
htbl = rcu_dereference_protected(ntbl->htbl,
|
||||
lockdep_is_held(&ntbl->rwlock));
|
||||
lockdep_is_held(&priv->lock));
|
||||
if (!htbl)
|
||||
goto out_unlock;
|
||||
|
||||
wait_flushed = atomic_read(&priv->ntbl.entries);
|
||||
if (!wait_flushed)
|
||||
goto free_htbl;
|
||||
|
||||
for (i = 0; i < htbl->size; i++) {
|
||||
struct ipoib_neigh *neigh;
|
||||
struct ipoib_neigh __rcu **np = &htbl->buckets[i];
|
||||
|
||||
while ((neigh = rcu_dereference_protected(*np,
|
||||
lockdep_is_held(&ntbl->rwlock))) != NULL) {
|
||||
lockdep_is_held(&priv->lock))) != NULL) {
|
||||
rcu_assign_pointer(*np,
|
||||
rcu_dereference_protected(neigh->hnext,
|
||||
lockdep_is_held(&ntbl->rwlock)));
|
||||
lockdep_is_held(&priv->lock)));
|
||||
/* remove from path/mc list */
|
||||
spin_lock_irqsave(&priv->lock, flags);
|
||||
list_del(&neigh->list);
|
||||
spin_unlock_irqrestore(&priv->lock, flags);
|
||||
call_rcu(&neigh->rcu, ipoib_neigh_reclaim);
|
||||
}
|
||||
}
|
||||
|
||||
free_htbl:
|
||||
rcu_assign_pointer(ntbl->htbl, NULL);
|
||||
call_rcu(&htbl->rcu, neigh_hash_free_rcu);
|
||||
|
||||
out_unlock:
|
||||
write_unlock_bh(&ntbl->rwlock);
|
||||
spin_unlock_irqrestore(&priv->lock, flags);
|
||||
if (wait_flushed)
|
||||
wait_for_completion(&priv->ntbl.flushed);
|
||||
}
|
||||
|
||||
static void ipoib_neigh_hash_uninit(struct net_device *dev)
|
||||
|
@ -1203,7 +1199,7 @@ static void ipoib_neigh_hash_uninit(struct net_device *dev)
|
|||
int stopped;
|
||||
|
||||
ipoib_dbg(priv, "ipoib_neigh_hash_uninit\n");
|
||||
init_completion(&priv->ntbl.flushed);
|
||||
init_completion(&priv->ntbl.deleted);
|
||||
set_bit(IPOIB_NEIGH_TBL_FLUSH, &priv->flags);
|
||||
|
||||
/* Stop GC if called at init fail need to cancel work */
|
||||
|
@ -1211,10 +1207,9 @@ static void ipoib_neigh_hash_uninit(struct net_device *dev)
|
|||
if (!stopped)
|
||||
cancel_delayed_work(&priv->neigh_reap_task);
|
||||
|
||||
if (atomic_read(&priv->ntbl.entries)) {
|
||||
ipoib_flush_neighs(priv);
|
||||
wait_for_completion(&priv->ntbl.flushed);
|
||||
}
|
||||
ipoib_flush_neighs(priv);
|
||||
|
||||
wait_for_completion(&priv->ntbl.deleted);
|
||||
}
|
||||
|
||||
|
||||
|
|
|
@ -707,9 +707,7 @@ out:
|
|||
neigh = ipoib_neigh_get(dev, daddr);
|
||||
spin_lock_irqsave(&priv->lock, flags);
|
||||
if (!neigh) {
|
||||
spin_unlock_irqrestore(&priv->lock, flags);
|
||||
neigh = ipoib_neigh_alloc(daddr, dev);
|
||||
spin_lock_irqsave(&priv->lock, flags);
|
||||
if (neigh) {
|
||||
kref_get(&mcast->ah->ref);
|
||||
neigh->ah = mcast->ah;
|
||||
|
|
|
@ -227,9 +227,10 @@ int mlx4_UNMAP_ICM_AUX(struct mlx4_dev *dev)
|
|||
MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
|
||||
}
|
||||
|
||||
int mlx4_table_get(struct mlx4_dev *dev, struct mlx4_icm_table *table, int obj)
|
||||
int mlx4_table_get(struct mlx4_dev *dev, struct mlx4_icm_table *table, u32 obj)
|
||||
{
|
||||
int i = (obj & (table->num_obj - 1)) / (MLX4_TABLE_CHUNK_SIZE / table->obj_size);
|
||||
u32 i = (obj & (table->num_obj - 1)) /
|
||||
(MLX4_TABLE_CHUNK_SIZE / table->obj_size);
|
||||
int ret = 0;
|
||||
|
||||
mutex_lock(&table->mutex);
|
||||
|
@ -262,16 +263,18 @@ out:
|
|||
return ret;
|
||||
}
|
||||
|
||||
void mlx4_table_put(struct mlx4_dev *dev, struct mlx4_icm_table *table, int obj)
|
||||
void mlx4_table_put(struct mlx4_dev *dev, struct mlx4_icm_table *table, u32 obj)
|
||||
{
|
||||
int i;
|
||||
u32 i;
|
||||
u64 offset;
|
||||
|
||||
i = (obj & (table->num_obj - 1)) / (MLX4_TABLE_CHUNK_SIZE / table->obj_size);
|
||||
|
||||
mutex_lock(&table->mutex);
|
||||
|
||||
if (--table->icm[i]->refcount == 0) {
|
||||
mlx4_UNMAP_ICM(dev, table->virt + i * MLX4_TABLE_CHUNK_SIZE,
|
||||
offset = (u64) i * MLX4_TABLE_CHUNK_SIZE;
|
||||
mlx4_UNMAP_ICM(dev, table->virt + offset,
|
||||
MLX4_TABLE_CHUNK_SIZE / MLX4_ICM_PAGE_SIZE);
|
||||
mlx4_free_icm(dev, table->icm[i], table->coherent);
|
||||
table->icm[i] = NULL;
|
||||
|
@ -280,9 +283,11 @@ void mlx4_table_put(struct mlx4_dev *dev, struct mlx4_icm_table *table, int obj)
|
|||
mutex_unlock(&table->mutex);
|
||||
}
|
||||
|
||||
void *mlx4_table_find(struct mlx4_icm_table *table, int obj, dma_addr_t *dma_handle)
|
||||
void *mlx4_table_find(struct mlx4_icm_table *table, u32 obj,
|
||||
dma_addr_t *dma_handle)
|
||||
{
|
||||
int idx, offset, dma_offset, i;
|
||||
int offset, dma_offset, i;
|
||||
u64 idx;
|
||||
struct mlx4_icm_chunk *chunk;
|
||||
struct mlx4_icm *icm;
|
||||
struct page *page = NULL;
|
||||
|
@ -292,7 +297,7 @@ void *mlx4_table_find(struct mlx4_icm_table *table, int obj, dma_addr_t *dma_han
|
|||
|
||||
mutex_lock(&table->mutex);
|
||||
|
||||
idx = (obj & (table->num_obj - 1)) * table->obj_size;
|
||||
idx = (u64) (obj & (table->num_obj - 1)) * table->obj_size;
|
||||
icm = table->icm[idx / MLX4_TABLE_CHUNK_SIZE];
|
||||
dma_offset = offset = idx % MLX4_TABLE_CHUNK_SIZE;
|
||||
|
||||
|
@ -326,10 +331,11 @@ out:
|
|||
}
|
||||
|
||||
int mlx4_table_get_range(struct mlx4_dev *dev, struct mlx4_icm_table *table,
|
||||
int start, int end)
|
||||
u32 start, u32 end)
|
||||
{
|
||||
int inc = MLX4_TABLE_CHUNK_SIZE / table->obj_size;
|
||||
int i, err;
|
||||
int err;
|
||||
u32 i;
|
||||
|
||||
for (i = start; i <= end; i += inc) {
|
||||
err = mlx4_table_get(dev, table, i);
|
||||
|
@ -349,9 +355,9 @@ fail:
|
|||
}
|
||||
|
||||
void mlx4_table_put_range(struct mlx4_dev *dev, struct mlx4_icm_table *table,
|
||||
int start, int end)
|
||||
u32 start, u32 end)
|
||||
{
|
||||
int i;
|
||||
u32 i;
|
||||
|
||||
for (i = start; i <= end; i += MLX4_TABLE_CHUNK_SIZE / table->obj_size)
|
||||
mlx4_table_put(dev, table, i);
|
||||
|
|
|
@ -71,17 +71,17 @@ struct mlx4_icm *mlx4_alloc_icm(struct mlx4_dev *dev, int npages,
|
|||
gfp_t gfp_mask, int coherent);
|
||||
void mlx4_free_icm(struct mlx4_dev *dev, struct mlx4_icm *icm, int coherent);
|
||||
|
||||
int mlx4_table_get(struct mlx4_dev *dev, struct mlx4_icm_table *table, int obj);
|
||||
void mlx4_table_put(struct mlx4_dev *dev, struct mlx4_icm_table *table, int obj);
|
||||
int mlx4_table_get(struct mlx4_dev *dev, struct mlx4_icm_table *table, u32 obj);
|
||||
void mlx4_table_put(struct mlx4_dev *dev, struct mlx4_icm_table *table, u32 obj);
|
||||
int mlx4_table_get_range(struct mlx4_dev *dev, struct mlx4_icm_table *table,
|
||||
int start, int end);
|
||||
u32 start, u32 end);
|
||||
void mlx4_table_put_range(struct mlx4_dev *dev, struct mlx4_icm_table *table,
|
||||
int start, int end);
|
||||
u32 start, u32 end);
|
||||
int mlx4_init_icm_table(struct mlx4_dev *dev, struct mlx4_icm_table *table,
|
||||
u64 virt, int obj_size, u32 nobj, int reserved,
|
||||
int use_lowmem, int use_coherent);
|
||||
void mlx4_cleanup_icm_table(struct mlx4_dev *dev, struct mlx4_icm_table *table);
|
||||
void *mlx4_table_find(struct mlx4_icm_table *table, int obj, dma_addr_t *dma_handle);
|
||||
void *mlx4_table_find(struct mlx4_icm_table *table, u32 obj, dma_addr_t *dma_handle);
|
||||
|
||||
static inline void mlx4_icm_first(struct mlx4_icm *icm,
|
||||
struct mlx4_icm_iter *iter)
|
||||
|
|
Loading…
Reference in a new issue