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cxgb4: Convert atid_idr to XArray 

Signed-off-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Matthew Wilcox 2019-02-20 16:20:54 -08:00 committed by Jason Gunthorpe
parent f254ba6ae5
commit 9f5a9632e4
3 changed files with 24 additions and 20 deletions
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25
drivers/infiniband/hw/cxgb4/cm.c
View File

@ -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);

17
drivers/infiniband/hw/cxgb4/device.c
View File

@ -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);

2
drivers/infiniband/hw/cxgb4/iw_cxgb4.h
View File

@ -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;