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authorVipul Pandya <vipul@chelsio.com>2012-05-18 15:29:31 +0530
committerRoland Dreier <roland@purestorage.com>2012-05-18 13:22:35 -0700
commitd716a2a014ad199362a59004b5ab932030a213ff (patch)
tree017187fbcac3194075648f1538b43ebb34be8ee1
parentRDMA/cxgb4: DB Drop Recovery for RDMA and LLD queues (diff)
downloadlinux-dev-d716a2a014ad199362a59004b5ab932030a213ff.tar.xz
linux-dev-d716a2a014ad199362a59004b5ab932030a213ff.zip
RDMA/cxgb4: Use vmalloc() for debugfs QP dump
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>
-rw-r--r--drivers/infiniband/hw/cxgb4/cm.c18
-rw-r--r--drivers/infiniband/hw/cxgb4/device.c4
2 files changed, 20 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 6ce401abdbd0..55ab284e22f2 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -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);
diff --git a/drivers/infiniband/hw/cxgb4/device.c b/drivers/infiniband/hw/cxgb4/device.c
index bdb398f54a64..854562915413 100644
--- a/drivers/infiniband/hw/cxgb4/device.c
+++ b/drivers/infiniband/hw/cxgb4/device.c
@@ -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;