Commit 9f5a9632 authored by Matthew Wilcox's avatar Matthew Wilcox Committed by Jason Gunthorpe
Browse files

cxgb4: Convert atid_idr to XArray 



Signed-off-by: default avatarMatthew Wilcox <willy@infradead.org>
Signed-off-by: default avatarJason Gunthorpe <jgg@mellanox.com>
parent f254ba6a

drivers/infiniband/hw/cxgb4/cm.c

+15 −10
Original line number Diff line number Diff line
@@ -558,7 +558,7 @@ static void act_open_req_arp_failure(void *handle, struct sk_buff *skb) 
		cxgb4_clip_release(ep->com.dev->rdev.lldi.ports[0],

				   (const u32 *)&sin6->sin6_addr.s6_addr, 1);

	}

	remove_handle(ep->com.dev, &ep->com.dev->atid_idr, ep->atid);

	xa_erase_irq(&ep->com.dev->atids, ep->atid);

	cxgb4_free_atid(ep->com.dev->rdev.lldi.tids, ep->atid);

	queue_arp_failure_cpl(ep, skb, FAKE_CPL_PUT_EP_SAFE);

}
@@ -1238,7 +1238,7 @@ static int act_establish(struct c4iw_dev *dev, struct sk_buff *skb) 
	set_emss(ep, tcp_opt);



	/* dealloc the atid */

	remove_handle(ep->com.dev, &ep->com.dev->atid_idr, atid);

	xa_erase_irq(&ep->com.dev->atids, atid);

	cxgb4_free_atid(t, atid);

	set_bit(ACT_ESTAB, &ep->com.history);
@@ -2187,7 +2187,9 @@ static int c4iw_reconnect(struct c4iw_ep *ep) 
		err = -ENOMEM;

		goto fail2;

	}

	insert_handle(ep->com.dev, &ep->com.dev->atid_idr, ep, ep->atid);

	err = xa_insert_irq(&ep->com.dev->atids, ep->atid, ep, GFP_KERNEL);

	if (err)

		goto fail2a;



	/* find a route */

	if (ep->com.cm_id->m_local_addr.ss_family == AF_INET) {
@@ -2239,7 +2241,8 @@ static int c4iw_reconnect(struct c4iw_ep *ep) 
fail4:

	dst_release(ep->dst);

fail3:

	remove_handle(ep->com.dev, &ep->com.dev->atid_idr, ep->atid);

	xa_erase_irq(&ep->com.dev->atids, ep->atid);

fail2a:

	cxgb4_free_atid(ep->com.dev->rdev.lldi.tids, ep->atid);

fail2:

	/*
@@ -2322,8 +2325,7 @@ static int act_open_rpl(struct c4iw_dev *dev, struct sk_buff *skb) 
						(const u32 *)

						&sin6->sin6_addr.s6_addr, 1);

			}

			remove_handle(ep->com.dev, &ep->com.dev->atid_idr,

					atid);

			xa_erase_irq(&ep->com.dev->atids, atid);

			cxgb4_free_atid(t, atid);

			dst_release(ep->dst);

			cxgb4_l2t_release(ep->l2t);
@@ -2360,7 +2362,7 @@ fail: 
		cxgb4_remove_tid(ep->com.dev->rdev.lldi.tids, 0, GET_TID(rpl),

				 ep->com.local_addr.ss_family);



	remove_handle(ep->com.dev, &ep->com.dev->atid_idr, atid);

	xa_erase_irq(&ep->com.dev->atids, atid);

	cxgb4_free_atid(t, atid);

	dst_release(ep->dst);

	cxgb4_l2t_release(ep->l2t);
@@ -3345,7 +3347,9 @@ int c4iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) 
		err = -ENOMEM;

		goto fail2;

	}

	insert_handle(dev, &dev->atid_idr, ep, ep->atid);

	err = xa_insert_irq(&dev->atids, ep->atid, ep, GFP_KERNEL);

	if (err)

		goto fail5;



	memcpy(&ep->com.local_addr, &cm_id->m_local_addr,

	       sizeof(ep->com.local_addr));
@@ -3433,7 +3437,8 @@ int c4iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) 
fail4:

	dst_release(ep->dst);

fail3:

	remove_handle(ep->com.dev, &ep->com.dev->atid_idr, ep->atid);

	xa_erase_irq(&ep->com.dev->atids, ep->atid);

fail5:

	cxgb4_free_atid(ep->com.dev->rdev.lldi.tids, ep->atid);

fail2:

	skb_queue_purge(&ep->com.ep_skb_list);
@@ -3766,7 +3771,7 @@ static void active_ofld_conn_reply(struct c4iw_dev *dev, struct sk_buff *skb, 
		cxgb4_clip_release(ep->com.dev->rdev.lldi.ports[0],

				   (const u32 *)&sin6->sin6_addr.s6_addr, 1);

	}

	remove_handle(dev, &dev->atid_idr, atid);

	xa_erase_irq(&dev->atids, atid);

	cxgb4_free_atid(dev->rdev.lldi.tids, atid);

	dst_release(ep->dst);

	cxgb4_l2t_release(ep->l2t);

drivers/infiniband/hw/cxgb4/device.c

+8 −9
Original line number Diff line number Diff line
@@ -617,11 +617,6 @@ static int dump_ep(struct c4iw_ep *ep, struct c4iw_debugfs_data *epd) 
	return 0;

}



static int _dump_ep(int id, void *p, void *data)

{

	return dump_ep(p, data);

}



static int dump_listen_ep(int id, void *p, void *data)

{

	struct c4iw_listen_ep *ep = p;
@@ -695,8 +690,9 @@ static int ep_open(struct inode *inode, struct file *file) 


	xa_for_each(&epd->devp->hwtids, index, ep)

		count++;

	xa_for_each(&epd->devp->atids, index, ep)

		count++;

	spin_lock_irq(&epd->devp->lock);

	idr_for_each(&epd->devp->atid_idr, count_idrs, &count);

	idr_for_each(&epd->devp->stid_idr, count_idrs, &count);

	spin_unlock_irq(&epd->devp->lock);
@@ -711,8 +707,11 @@ static int ep_open(struct inode *inode, struct file *file) 
	xa_for_each(&epd->devp->hwtids, index, ep)

		dump_ep(ep, epd);

	xa_unlock_irq(&epd->devp->hwtids);

	xa_lock_irq(&epd->devp->atids);

	xa_for_each(&epd->devp->atids, index, ep)

		dump_ep(ep, epd);

	xa_unlock_irq(&epd->devp->atids);

	spin_lock_irq(&epd->devp->lock);

	idr_for_each(&epd->devp->atid_idr, _dump_ep, epd);

	idr_for_each(&epd->devp->stid_idr, dump_listen_ep, epd);

	spin_unlock_irq(&epd->devp->lock);
@@ -947,7 +946,7 @@ void c4iw_dealloc(struct uld_ctx *ctx) 
	WARN_ON(!xa_empty(&ctx->dev->mrs));

	wait_event(ctx->dev->wait, xa_empty(&ctx->dev->hwtids));

	idr_destroy(&ctx->dev->stid_idr);

	idr_destroy(&ctx->dev->atid_idr);

	WARN_ON(!xa_empty(&ctx->dev->atids));

	if (ctx->dev->rdev.bar2_kva)

		iounmap(ctx->dev->rdev.bar2_kva);

	if (ctx->dev->rdev.oc_mw_kva)
@@ -1055,8 +1054,8 @@ static struct c4iw_dev *c4iw_alloc(const struct cxgb4_lld_info *infop) 
	xa_init_flags(&devp->qps, XA_FLAGS_LOCK_IRQ);

	xa_init_flags(&devp->mrs, XA_FLAGS_LOCK_IRQ);

	xa_init_flags(&devp->hwtids, XA_FLAGS_LOCK_IRQ);

	xa_init_flags(&devp->atids, XA_FLAGS_LOCK_IRQ);

	idr_init(&devp->stid_idr);

	idr_init(&devp->atid_idr);

	spin_lock_init(&devp->lock);

	mutex_init(&devp->rdev.stats.lock);

	mutex_init(&devp->db_mutex);

drivers/infiniband/hw/cxgb4/iw_cxgb4.h

+1 −1
Original line number Diff line number Diff line
@@ -323,7 +323,7 @@ struct c4iw_dev { 
	struct dentry *debugfs_root;

	enum db_state db_state;

	struct xarray hwtids;

	struct idr atid_idr;

	struct xarray atids;

	struct idr stid_idr;

	struct list_head db_fc_list;

	u32 avail_ird;

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