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authorSteve Wise <swise@opengridcomputing.com>2010-10-18 17:16:40 +0200
committerRoland Dreier <rolandd@cisco.com>2010-10-23 06:57:26 +0200
commitde5dd81b49c27c7818492be0746bfed6ac3b1c8d (patch)
treeefe580145e59447b3d3e775b030e0f607752844d /drivers/infiniband/hw/cxgb4
parentRDMA/cxgb4: Use simple_read_from_buffer() for debugfs handlers (diff)
downloadlinux-de5dd81b49c27c7818492be0746bfed6ac3b1c8d.tar.xz
linux-de5dd81b49c27c7818492be0746bfed6ac3b1c8d.zip
RDMA/cxgb4: Export T4 TCP MIB
Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/cxgb4')
-rw-r--r--drivers/infiniband/hw/cxgb4/provider.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c
index 81e127713675..f66dd8bf5128 100644
--- a/drivers/infiniband/hw/cxgb4/provider.c
+++ b/drivers/infiniband/hw/cxgb4/provider.c
@@ -391,7 +391,17 @@ static ssize_t show_board(struct device *dev, struct device_attribute *attr,
static int c4iw_get_mib(struct ib_device *ibdev,
union rdma_protocol_stats *stats)
{
- return -ENOSYS;
+ struct tp_tcp_stats v4, v6;
+ struct c4iw_dev *c4iw_dev = to_c4iw_dev(ibdev);
+
+ cxgb4_get_tcp_stats(c4iw_dev->rdev.lldi.pdev, &v4, &v6);
+ memset(stats, 0, sizeof *stats);
+ stats->iw.tcpInSegs = v4.tcpInSegs + v6.tcpInSegs;
+ stats->iw.tcpOutSegs = v4.tcpOutSegs + v6.tcpOutSegs;
+ stats->iw.tcpRetransSegs = v4.tcpRetransSegs + v6.tcpRetransSegs;
+ stats->iw.tcpOutRsts = v4.tcpOutRsts + v6.tcpOutSegs;
+
+ return 0;
}
static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);