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Commit bfa738cf authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma 

Pull rdma fixes from Doug Ledford:
 "Third set of -rc fixes for 4.13 cycle

   - small set of miscellanous fixes

   - a reasonably sizable set of IPoIB fixes that deal with multiple
     long standing issues"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
  IB/hns: checking for IS_ERR() instead of NULL
  RDMA/mlx5: Fix existence check for extended address vector
  IB/uverbs: Fix device cleanup
  RDMA/uverbs: Prevent leak of reserved field
  IB/core: Fix race condition in resolving IP to MAC
  IB/ipoib: Notify on modify QP failure only when relevant
  Revert "IB/core: Allow QP state transition from reset to error"
  IB/ipoib: Remove double pointer assigning
  IB/ipoib: Clean error paths in add port
  IB/ipoib: Add get statistics support to SRIOV VF
  IB/ipoib: Add multicast packets statistics
  IB/ipoib: Set IPOIB_NEIGH_TBL_FLUSH after flushed completion initialization
  IB/ipoib: Prevent setting negative values to max_nonsrq_conn_qp
  IB/ipoib: Make sure no in-flight joins while leaving that mcast
  IB/ipoib: Use cancel_delayed_work_sync when needed
  IB/ipoib: Fix race between light events and interface restart
parents b95c29a2 48107c4e

drivers/infiniband/core/addr.c

+48 −14
Original line number Diff line number Diff line
@@ -61,6 +61,7 @@ struct addr_req { 
	void (*callback)(int status, struct sockaddr *src_addr,

			 struct rdma_dev_addr *addr, void *context);

	unsigned long timeout;

	struct delayed_work work;

	int status;

	u32 seq;

};
@@ -295,7 +296,7 @@ int rdma_translate_ip(const struct sockaddr *addr, 
}

EXPORT_SYMBOL(rdma_translate_ip);



static void set_timeout(unsigned long time)

static void set_timeout(struct delayed_work *delayed_work, unsigned long time)

{

	unsigned long delay;
@@ -303,7 +304,7 @@ static void set_timeout(unsigned long time) 
	if ((long)delay < 0)

		delay = 0;



	mod_delayed_work(addr_wq, &work, delay);

	mod_delayed_work(addr_wq, delayed_work, delay);

}



static void queue_req(struct addr_req *req)
@@ -318,8 +319,7 @@ static void queue_req(struct addr_req *req) 


	list_add(&req->list, &temp_req->list);



	if (req_list.next == &req->list)

		set_timeout(req->timeout);

	set_timeout(&req->work, req->timeout);

	mutex_unlock(&lock);

}
@@ -574,6 +574,37 @@ static int addr_resolve(struct sockaddr *src_in, 
	return ret;

}



static void process_one_req(struct work_struct *_work)

{

	struct addr_req *req;

	struct sockaddr *src_in, *dst_in;



	mutex_lock(&lock);

	req = container_of(_work, struct addr_req, work.work);



	if (req->status == -ENODATA) {

		src_in = (struct sockaddr *)&req->src_addr;

		dst_in = (struct sockaddr *)&req->dst_addr;

		req->status = addr_resolve(src_in, dst_in, req->addr,

					   true, req->seq);

		if (req->status && time_after_eq(jiffies, req->timeout)) {

			req->status = -ETIMEDOUT;

		} else if (req->status == -ENODATA) {

			/* requeue the work for retrying again */

			set_timeout(&req->work, req->timeout);

			mutex_unlock(&lock);

			return;

		}

	}

	list_del(&req->list);

	mutex_unlock(&lock);



	req->callback(req->status, (struct sockaddr *)&req->src_addr,

		req->addr, req->context);

	put_client(req->client);

	kfree(req);

}



static void process_req(struct work_struct *work)

{

	struct addr_req *req, *temp_req;
@@ -591,20 +622,23 @@ static void process_req(struct work_struct *work) 
						   true, req->seq);

			if (req->status && time_after_eq(jiffies, req->timeout))

				req->status = -ETIMEDOUT;

			else if (req->status == -ENODATA)

			else if (req->status == -ENODATA) {

				set_timeout(&req->work, req->timeout);

				continue;

			}

		}

		list_move_tail(&req->list, &done_list);

	}



	if (!list_empty(&req_list)) {

		req = list_entry(req_list.next, struct addr_req, list);

		set_timeout(req->timeout);

	}

	mutex_unlock(&lock);



	list_for_each_entry_safe(req, temp_req, &done_list, list) {

		list_del(&req->list);

		/* It is safe to cancel other work items from this work item

		 * because at a time there can be only one work item running

		 * with this single threaded work queue.

		 */

		cancel_delayed_work(&req->work);

		req->callback(req->status, (struct sockaddr *) &req->src_addr,

			req->addr, req->context);

		put_client(req->client);
@@ -647,6 +681,7 @@ int rdma_resolve_ip(struct rdma_addr_client *client, 
	req->context = context;

	req->client = client;

	atomic_inc(&client->refcount);

	INIT_DELAYED_WORK(&req->work, process_one_req);

	req->seq = (u32)atomic_inc_return(&ib_nl_addr_request_seq);



	req->status = addr_resolve(src_in, dst_in, addr, true, req->seq);
@@ -701,7 +736,7 @@ void rdma_addr_cancel(struct rdma_dev_addr *addr) 
			req->status = -ECANCELED;

			req->timeout = jiffies;

			list_move(&req->list, &req_list);

			set_timeout(req->timeout);

			set_timeout(&req->work, req->timeout);

			break;

		}

	}
@@ -807,9 +842,8 @@ static int netevent_callback(struct notifier_block *self, unsigned long event, 
	if (event == NETEVENT_NEIGH_UPDATE) {

		struct neighbour *neigh = ctx;



		if (neigh->nud_state & NUD_VALID) {

			set_timeout(jiffies);

		}

		if (neigh->nud_state & NUD_VALID)

			set_timeout(&work, jiffies);

	}

	return 0;

}
@@ -820,7 +854,7 @@ static struct notifier_block nb = { 


int addr_init(void)

{

	addr_wq = alloc_workqueue("ib_addr", WQ_MEM_RECLAIM, 0);

	addr_wq = alloc_ordered_workqueue("ib_addr", WQ_MEM_RECLAIM);

	if (!addr_wq)

		return -ENOMEM;

drivers/infiniband/core/uverbs_cmd.c

+1 −1
Original line number Diff line number Diff line
@@ -1153,7 +1153,7 @@ ssize_t ib_uverbs_resize_cq(struct ib_uverbs_file *file, 
			    int out_len)

{

	struct ib_uverbs_resize_cq	cmd;

	struct ib_uverbs_resize_cq_resp	resp;

	struct ib_uverbs_resize_cq_resp	resp = {};

	struct ib_udata                 udata;

	struct ib_cq			*cq;

	int				ret = -EINVAL;

drivers/infiniband/core/uverbs_main.c

+1 −2
Original line number Diff line number Diff line
@@ -250,6 +250,7 @@ void ib_uverbs_release_file(struct kref *ref) 
	if (atomic_dec_and_test(&file->device->refcount))

		ib_uverbs_comp_dev(file->device);



	kobject_put(&file->device->kobj);

	kfree(file);

}
@@ -917,7 +918,6 @@ static int ib_uverbs_open(struct inode *inode, struct file *filp) 
static int ib_uverbs_close(struct inode *inode, struct file *filp)

{

	struct ib_uverbs_file *file = filp->private_data;

	struct ib_uverbs_device *dev = file->device;



	mutex_lock(&file->cleanup_mutex);

	if (file->ucontext) {
@@ -939,7 +939,6 @@ static int ib_uverbs_close(struct inode *inode, struct file *filp) 
			 ib_uverbs_release_async_event_file);



	kref_put(&file->ref, ib_uverbs_release_file);

	kobject_put(&dev->kobj);



	return 0;

}

drivers/infiniband/core/verbs.c

+0 −1
Original line number Diff line number Diff line
@@ -895,7 +895,6 @@ static const struct { 
} qp_state_table[IB_QPS_ERR + 1][IB_QPS_ERR + 1] = {

	[IB_QPS_RESET] = {

		[IB_QPS_RESET] = { .valid = 1 },

		[IB_QPS_ERR] =   { .valid = 1 },

		[IB_QPS_INIT]  = {

			.valid = 1,

			.req_param = {

drivers/infiniband/hw/hns/hns_roce_hw_v1.c

+1 −1
Original line number Diff line number Diff line
@@ -733,7 +733,7 @@ static int hns_roce_v1_rsv_lp_qp(struct hns_roce_dev *hr_dev) 
			continue;



		free_mr->mr_free_qp[i] = hns_roce_v1_create_lp_qp(hr_dev, pd);

		if (IS_ERR(free_mr->mr_free_qp[i])) {

		if (!free_mr->mr_free_qp[i]) {

			dev_err(dev, "Create loop qp failed!\n");

			goto create_lp_qp_failed;

		}