From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vipul Pandya Subject: [PATCH 08/10] RDMA/cxgb4: Use vmalloc for debugfs qp dump. Allows dumping thousands of qps. Date: Wed, 19 Oct 2011 22:41:02 +0530 Message-ID: <1319044264-779-9-git-send-email-vipul@chelsio.com> References: <1319044264-779-1-git-send-email-vipul@chelsio.com> Return-path: In-Reply-To: <1319044264-779-1-git-send-email-vipul@chelsio.com> Sender: netdev-owner@vger.kernel.org To: linux-rdma@vger.kernel.org, netdev@vger.kernel.org Cc: roland@purestorage.com, davem@davemloft.net, divy@chelsio.com, dm@chelsio.com, kumaras@chelsio.com, swise@opengridcomputing.com, Vipul Pandya List-Id: linux-rdma@vger.kernel.org Log active open failures of interest. Signed-off-by: Vipul Pandya Signed-off-by: Steve Wise --- drivers/infiniband/hw/cxgb4/cm.c | 18 ++++++++++++++++++ drivers/infiniband/hw/cxgb4/device.c | 4 ++-- 2 files changed, 20 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index c51818a..3d87d02 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -1411,6 +1411,24 @@ 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 bdb398f..8545629 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; -- 1.7.1