diff options
author | Mitesh Ahuja <mitesh.ahuja@emulex.com> | 2014-12-18 08:42:55 (GMT) |
---|---|---|
committer | Roland Dreier <roland@purestorage.com> | 2015-02-18 16:24:45 (GMT) |
commit | cad1fbb0fd0e72ae2e7c18d486ff33e26c275f6c (patch) | |
tree | 2fa4be1805ec54facfdd987b23f85b8e563261e5 /drivers/infiniband | |
parent | bfa76d49576599a4b9f9b7a71f23d73d6dcff735 (diff) | |
download | linux-cad1fbb0fd0e72ae2e7c18d486ff33e26c275f6c.tar.xz |
RDMA/ocrdma: Add support for IB stack compliant stats in sysfs.
Add the 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.ahuja@emulex.com>
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r-- | drivers/infiniband/hw/ocrdma/ocrdma_ah.c | 19 | ||||
-rw-r--r-- | drivers/infiniband/hw/ocrdma/ocrdma_stats.c | 69 | ||||
-rw-r--r-- | 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..614d1a8 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; } +static 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; +} + +static 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; } +static 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)); +} + +static 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__ */ |