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RDMA/cxgb4: Use vmalloc() for debugfs QP dump

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This allows dumping thousands of QPs.  Log active open failures of
interest.

Signed-off-by: Vipul Pandya <vipul@chelsio.com>
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Vipul Pandya 2012-05-18 15:29:31 +05:30 committed by Roland Dreier
parent 422eea0a8c
commit d716a2a014
2 changed files with 20 additions and 2 deletions
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18
drivers/infiniband/hw/cxgb4/cm.c
View file

@ -1413,6 +1413,24 @@ static int act_open_rpl(struct c4iw_dev *dev, struct sk_buff *skb)
return 0;
}
/*
* Log interesting failures.
*/
switch (status) {
case CPL_ERR_CONN_RESET:
case CPL_ERR_CONN_TIMEDOUT:
break;
default:
printk(KERN_INFO MOD "Active open failure - "
"atid %u status %u errno %d %pI4:%u->%pI4:%u\n",
atid, status, status2errno(status),
&ep->com.local_addr.sin_addr.s_addr,
ntohs(ep->com.local_addr.sin_port),
&ep->com.remote_addr.sin_addr.s_addr,
ntohs(ep->com.remote_addr.sin_port));
break;
}
connect_reply_upcall(ep, status2errno(status));
state_set(&ep->com, DEAD);

4
drivers/infiniband/hw/cxgb4/device.c
View file

@ -121,7 +121,7 @@ static int qp_release(struct inode *inode, struct file *file)
printk(KERN_INFO "%s null qpd?\n", __func__);
return 0;
}
kfree(qpd->buf);
vfree(qpd->buf);
kfree(qpd);
return 0;
}
@ -145,7 +145,7 @@ static int qp_open(struct inode *inode, struct file *file)
spin_unlock_irq(&qpd->devp->lock);
qpd->bufsize = count * 128;
qpd->buf = kmalloc(qpd->bufsize, GFP_KERNEL);
qpd->buf = vmalloc(qpd->bufsize);
if (!qpd->buf) {
ret = -ENOMEM;
goto err1;