From de5dd81b49c27c7818492be0746bfed6ac3b1c8d Mon Sep 17 00:00:00 2001
From: Steve Wise <swise@opengridcomputing.com>
Date: Mon, 18 Oct 2010 15:16:40 +0000
Subject: [PATCH] RDMA/cxgb4: Export T4 TCP MIB
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
drivers/infiniband/hw/cxgb4/provider.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
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);
--
2.34.1