From: Mitesh Ahuja <mitesh.ah...@emulex.com>
Add following per port sysfs traffic counters for RoCE
port_xmit_packets
port_rcv_packets
port_rcv_data
port_xmit_data
Signed-off-by: Mitesh Ahuja <mitesh.ah...@emulex.com>
Signed-off-by: Devesh Sharma <devesh.sha...@emulex.com>
Signed-off-by: Selvin Xavier <selvin.xav...@emulex.com>
---
drivers/infiniband/hw/ocrdma/ocrdma_ah.c | 19 +++++++-
drivers/infiniband/hw/ocrdma/ocrdma_stats.c | 69 +++++++++++++++++++++++++++
drivers/infiniband/hw/ocrdma/ocrdma_stats.h | 2 +
3 files changed, 89 insertions(+), 1 deletions(-)
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c
b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c
index f3cc8c9..b80b57b 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c
@@ -29,11 +29,13 @@
#include <net/netevent.h>
#include <rdma/ib_addr.h>
+#include <rdma/ib_mad.h>
#include "ocrdma.h"
#include "ocrdma_verbs.h"
#include "ocrdma_ah.h"
#include "ocrdma_hw.h"
+#include "ocrdma_stats.h"
#define OCRDMA_VID_PCP_SHIFT 0xD
@@ -191,5 +193,20 @@ int ocrdma_process_mad(struct ib_device *ibdev,
struct ib_grh *in_grh,
struct ib_mad *in_mad, struct ib_mad *out_mad)
{
- return IB_MAD_RESULT_SUCCESS;
+ int status;
+ struct ocrdma_dev *dev;
+
+ switch (in_mad->mad_hdr.mgmt_class) {
+ case IB_MGMT_CLASS_PERF_MGMT:
+ dev = get_ocrdma_dev(ibdev);
+ if (!ocrdma_pma_counters(dev, out_mad))
+ status = IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY;
+ else
+ status = IB_MAD_RESULT_SUCCESS;
+ break;
+ default:
+ status = IB_MAD_RESULT_SUCCESS;
+ break;
+ }
+ return status;
}
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_stats.c
b/drivers/infiniband/hw/ocrdma/ocrdma_stats.c
index 41a9aec..df48218 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_stats.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_stats.c
@@ -26,6 +26,7 @@
*******************************************************************/
#include <rdma/ib_addr.h>
+#include <rdma/ib_pma.h>
#include "ocrdma_stats.h"
static struct dentry *ocrdma_dbgfs_dir;
@@ -249,6 +250,27 @@ static char *ocrdma_rx_stats(struct ocrdma_dev *dev)
return stats;
}
+u64 ocrdma_sysfs_rcv_pkts(struct ocrdma_dev *dev)
+{
+ struct ocrdma_rdma_stats_resp *rdma_stats =
+ (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va;
+ struct ocrdma_rx_stats *rx_stats = &rdma_stats->rx_stats;
+
+ return convert_to_64bit(rx_stats->roce_frames_lo,
+ rx_stats->roce_frames_hi) + (u64)rx_stats->roce_frame_icrc_drops
+ + (u64)rx_stats->roce_frame_payload_len_drops;
+}
+
+u64 ocrdma_sysfs_rcv_data(struct ocrdma_dev *dev)
+{
+ struct ocrdma_rdma_stats_resp *rdma_stats =
+ (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va;
+ struct ocrdma_rx_stats *rx_stats = &rdma_stats->rx_stats;
+
+ return (convert_to_64bit(rx_stats->roce_frame_bytes_lo,
+ rx_stats->roce_frame_bytes_hi))/4;
+}
+
static char *ocrdma_tx_stats(struct ocrdma_dev *dev)
{
char *stats = dev->stats_mem.debugfs_mem, *pcur;
@@ -292,6 +314,37 @@ static char *ocrdma_tx_stats(struct ocrdma_dev *dev)
return stats;
}
+u64 ocrdma_sysfs_xmit_pkts(struct ocrdma_dev *dev)
+{
+ struct ocrdma_rdma_stats_resp *rdma_stats =
+ (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va;
+ struct ocrdma_tx_stats *tx_stats = &rdma_stats->tx_stats;
+
+ return (convert_to_64bit(tx_stats->send_pkts_lo,
+ tx_stats->send_pkts_hi) +
+ convert_to_64bit(tx_stats->write_pkts_lo, tx_stats->write_pkts_hi) +
+ convert_to_64bit(tx_stats->read_pkts_lo, tx_stats->read_pkts_hi) +
+ convert_to_64bit(tx_stats->read_rsp_pkts_lo,
+ tx_stats->read_rsp_pkts_hi) +
+ convert_to_64bit(tx_stats->ack_pkts_lo, tx_stats->ack_pkts_hi)) ;
+}
+
+u64 ocrdma_sysfs_xmit_data(struct ocrdma_dev *dev)
+{
+ struct ocrdma_rdma_stats_resp *rdma_stats =
+ (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va;
+ struct ocrdma_tx_stats *tx_stats = &rdma_stats->tx_stats;
+
+ return (convert_to_64bit(tx_stats->send_bytes_lo,
+ tx_stats->send_bytes_hi) +
+ convert_to_64bit(tx_stats->write_bytes_lo,
+ tx_stats->write_bytes_hi) +
+ convert_to_64bit(tx_stats->read_req_bytes_lo,
+ tx_stats->read_req_bytes_hi) +
+ convert_to_64bit(tx_stats->read_rsp_bytes_lo,
+ tx_stats->read_rsp_bytes_hi))/4;
+}
+
static char *ocrdma_wqe_stats(struct ocrdma_dev *dev)
{
char *stats = dev->stats_mem.debugfs_mem, *pcur;
@@ -448,6 +501,22 @@ static void ocrdma_update_stats(struct ocrdma_dev *dev)
}
}
+int ocrdma_pma_counters(struct ocrdma_dev *dev,
+ struct ib_mad *out_mad)
+{
+ struct ib_pma_portcounters *pma_cnt;
+
+ memset(out_mad->data, 0, sizeof out_mad->data);
+ pma_cnt = (void *)(out_mad->data + 40);
+ ocrdma_update_stats(dev);
+
+ pma_cnt->port_xmit_data = cpu_to_be32(ocrdma_sysfs_xmit_data(dev));
+ pma_cnt->port_rcv_data = cpu_to_be32(ocrdma_sysfs_rcv_data(dev));
+ pma_cnt->port_xmit_packets = cpu_to_be32(ocrdma_sysfs_xmit_pkts(dev));
+ pma_cnt->port_rcv_packets = cpu_to_be32(ocrdma_sysfs_rcv_pkts(dev));
+ return 0;
+}
+
static ssize_t ocrdma_dbgfs_ops_read(struct file *filp, char __user *buffer,
size_t usr_buf_len, loff_t *ppos)
{
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_stats.h
b/drivers/infiniband/hw/ocrdma/ocrdma_stats.h
index 5f5e20c..89afe06 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_stats.h
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_stats.h
@@ -50,5 +50,7 @@ void ocrdma_rem_debugfs(void);
void ocrdma_init_debugfs(void);
void ocrdma_rem_port_stats(struct ocrdma_dev *dev);
void ocrdma_add_port_stats(struct ocrdma_dev *dev);
+int ocrdma_pma_counters(struct ocrdma_dev *dev,
+ struct ib_mad *out_mad);
#endif /* __OCRDMA_STATS_H__ */
--
1.7.1
--
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