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path: root/drivers/infiniband/hw/mlx4/mad.c
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Diffstat (limited to 'drivers/infiniband/hw/mlx4/mad.c')
-rw-r--r--drivers/infiniband/hw/mlx4/mad.c80
1 files changed, 64 insertions, 16 deletions
diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
index 870e56b6b..d68f506c1 100644
--- a/drivers/infiniband/hw/mlx4/mad.c
+++ b/drivers/infiniband/hw/mlx4/mad.c
@@ -40,6 +40,7 @@
#include <linux/gfp.h>
#include <rdma/ib_pma.h>
+#include <linux/mlx4/driver.h>
#include "mlx4_ib.h"
enum {
@@ -606,8 +607,8 @@ static int mlx4_ib_demux_mad(struct ib_device *ibdev, u8 port,
struct ib_mad *mad)
{
struct mlx4_ib_dev *dev = to_mdev(ibdev);
- int err;
- int slave;
+ int err, other_port;
+ int slave = -1;
u8 *slave_id;
int is_eth = 0;
@@ -625,7 +626,17 @@ static int mlx4_ib_demux_mad(struct ib_device *ibdev, u8 port,
mlx4_ib_warn(ibdev, "RoCE mgmt class is not CM\n");
return -EINVAL;
}
- if (mlx4_get_slave_from_roce_gid(dev->dev, port, grh->dgid.raw, &slave)) {
+ err = mlx4_get_slave_from_roce_gid(dev->dev, port, grh->dgid.raw, &slave);
+ if (err && mlx4_is_mf_bonded(dev->dev)) {
+ other_port = (port == 1) ? 2 : 1;
+ err = mlx4_get_slave_from_roce_gid(dev->dev, other_port, grh->dgid.raw, &slave);
+ if (!err) {
+ port = other_port;
+ pr_debug("resolved slave %d from gid %pI6 wire port %d other %d\n",
+ slave, grh->dgid.raw, port, other_port);
+ }
+ }
+ if (err) {
mlx4_ib_warn(ibdev, "failed matching grh\n");
return -ENOENT;
}
@@ -806,17 +817,48 @@ static int ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY;
}
-static void edit_counter(struct mlx4_counter *cnt,
- struct ib_pma_portcounters *pma_cnt)
+static void edit_counter(struct mlx4_counter *cnt, void *counters,
+ __be16 attr_id)
+{
+ switch (attr_id) {
+ case IB_PMA_PORT_COUNTERS:
+ {
+ struct ib_pma_portcounters *pma_cnt =
+ (struct ib_pma_portcounters *)counters;
+
+ ASSIGN_32BIT_COUNTER(pma_cnt->port_xmit_data,
+ (be64_to_cpu(cnt->tx_bytes) >> 2));
+ ASSIGN_32BIT_COUNTER(pma_cnt->port_rcv_data,
+ (be64_to_cpu(cnt->rx_bytes) >> 2));
+ ASSIGN_32BIT_COUNTER(pma_cnt->port_xmit_packets,
+ be64_to_cpu(cnt->tx_frames));
+ ASSIGN_32BIT_COUNTER(pma_cnt->port_rcv_packets,
+ be64_to_cpu(cnt->rx_frames));
+ break;
+ }
+ case IB_PMA_PORT_COUNTERS_EXT:
+ {
+ struct ib_pma_portcounters_ext *pma_cnt_ext =
+ (struct ib_pma_portcounters_ext *)counters;
+
+ pma_cnt_ext->port_xmit_data =
+ cpu_to_be64(be64_to_cpu(cnt->tx_bytes) >> 2);
+ pma_cnt_ext->port_rcv_data =
+ cpu_to_be64(be64_to_cpu(cnt->rx_bytes) >> 2);
+ pma_cnt_ext->port_xmit_packets = cnt->tx_frames;
+ pma_cnt_ext->port_rcv_packets = cnt->rx_frames;
+ break;
+ }
+ }
+}
+
+static int iboe_process_mad_port_info(void *out_mad)
{
- ASSIGN_32BIT_COUNTER(pma_cnt->port_xmit_data,
- (be64_to_cpu(cnt->tx_bytes) >> 2));
- ASSIGN_32BIT_COUNTER(pma_cnt->port_rcv_data,
- (be64_to_cpu(cnt->rx_bytes) >> 2));
- ASSIGN_32BIT_COUNTER(pma_cnt->port_xmit_packets,
- be64_to_cpu(cnt->tx_frames));
- ASSIGN_32BIT_COUNTER(pma_cnt->port_rcv_packets,
- be64_to_cpu(cnt->rx_frames));
+ struct ib_class_port_info cpi = {};
+
+ cpi.capability_mask = IB_PMA_CLASS_CAP_EXT_WIDTH;
+ memcpy(out_mad, &cpi, sizeof(cpi));
+ return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY;
}
static int iboe_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
@@ -831,6 +873,9 @@ static int iboe_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
if (in_mad->mad_hdr.mgmt_class != IB_MGMT_CLASS_PERF_MGMT)
return -EINVAL;
+ if (in_mad->mad_hdr.attr_id == IB_PMA_CLASS_PORT_INFO)
+ return iboe_process_mad_port_info((void *)(out_mad->data + 40));
+
memset(&counter_stats, 0, sizeof(counter_stats));
mutex_lock(&dev->counters_table[port_num - 1].mutex);
list_for_each_entry(tmp_counter,
@@ -852,7 +897,8 @@ static int iboe_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
switch (counter_stats.counter_mode & 0xf) {
case 0:
edit_counter(&counter_stats,
- (void *)(out_mad->data + 40));
+ (void *)(out_mad->data + 40),
+ in_mad->mad_hdr.attr_id);
err = IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY;
break;
default:
@@ -883,8 +929,10 @@ int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
*/
if (link == IB_LINK_LAYER_INFINIBAND) {
if (mlx4_is_slave(dev->dev) &&
- in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_PERF_MGMT &&
- in_mad->mad_hdr.attr_id == IB_PMA_PORT_COUNTERS)
+ (in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_PERF_MGMT &&
+ (in_mad->mad_hdr.attr_id == IB_PMA_PORT_COUNTERS ||
+ in_mad->mad_hdr.attr_id == IB_PMA_PORT_COUNTERS_EXT ||
+ in_mad->mad_hdr.attr_id == IB_PMA_CLASS_PORT_INFO)))
return iboe_process_mad(ibdev, mad_flags, port_num, in_wc,
in_grh, in_mad, out_mad);