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RDMA/cxgb3: Add support for protocol statistics

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- Add a new rdma ctl command called RDMA_GET_MIB to the cxgb3 low
  level driver to obtain the protocol mib from the rnic hardware.

- Add new iw_cxgb3 provider method to get the MIB from the low level
  driver.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Steve Wise 2008-07-14 23:48:48 -07:00 committed by Roland Dreier
parent 7f624d023b
commit 14cc180f7b
3 changed files with 66 additions and 4 deletions
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62
drivers/infiniband/hw/cxgb3/iwch_provider.c
View file

@ -56,6 +56,7 @@
#include "iwch_provider.h"
#include "iwch_cm.h"
#include "iwch_user.h"
#include "common.h"
static int iwch_modify_port(struct ib_device *ibdev,
u8 port, int port_modify_mask,
@ -1245,6 +1246,61 @@ static ssize_t show_board(struct device *dev, struct device_attribute *attr,
iwch_dev->rdev.rnic_info.pdev->device);
}
static int iwch_get_mib(struct ib_device *ibdev,
union rdma_protocol_stats *stats)
{
struct iwch_dev *dev;
struct tp_mib_stats m;
int ret;
PDBG("%s ibdev %p\n", __func__, ibdev);
dev = to_iwch_dev(ibdev);
ret = dev->rdev.t3cdev_p->ctl(dev->rdev.t3cdev_p, RDMA_GET_MIB, &m);
if (ret)
return -ENOSYS;
memset(stats, 0, sizeof *stats);
stats->iw.ipInReceives = ((u64) m.ipInReceive_hi << 32) +
m.ipInReceive_lo;
stats->iw.ipInHdrErrors = ((u64) m.ipInHdrErrors_hi << 32) +
m.ipInHdrErrors_lo;
stats->iw.ipInAddrErrors = ((u64) m.ipInAddrErrors_hi << 32) +
m.ipInAddrErrors_lo;
stats->iw.ipInUnknownProtos = ((u64) m.ipInUnknownProtos_hi << 32) +
m.ipInUnknownProtos_lo;
stats->iw.ipInDiscards = ((u64) m.ipInDiscards_hi << 32) +
m.ipInDiscards_lo;
stats->iw.ipInDelivers = ((u64) m.ipInDelivers_hi << 32) +
m.ipInDelivers_lo;
stats->iw.ipOutRequests = ((u64) m.ipOutRequests_hi << 32) +
m.ipOutRequests_lo;
stats->iw.ipOutDiscards = ((u64) m.ipOutDiscards_hi << 32) +
m.ipOutDiscards_lo;
stats->iw.ipOutNoRoutes = ((u64) m.ipOutNoRoutes_hi << 32) +
m.ipOutNoRoutes_lo;
stats->iw.ipReasmTimeout = (u64) m.ipReasmTimeout;
stats->iw.ipReasmReqds = (u64) m.ipReasmReqds;
stats->iw.ipReasmOKs = (u64) m.ipReasmOKs;
stats->iw.ipReasmFails = (u64) m.ipReasmFails;
stats->iw.tcpActiveOpens = (u64) m.tcpActiveOpens;
stats->iw.tcpPassiveOpens = (u64) m.tcpPassiveOpens;
stats->iw.tcpAttemptFails = (u64) m.tcpAttemptFails;
stats->iw.tcpEstabResets = (u64) m.tcpEstabResets;
stats->iw.tcpOutRsts = (u64) m.tcpOutRsts;
stats->iw.tcpCurrEstab = (u64) m.tcpCurrEstab;
stats->iw.tcpInSegs = ((u64) m.tcpInSegs_hi << 32) +
m.tcpInSegs_lo;
stats->iw.tcpOutSegs = ((u64) m.tcpOutSegs_hi << 32) +
m.tcpOutSegs_lo;
stats->iw.tcpRetransSegs = ((u64) m.tcpRetransSeg_hi << 32) +
m.tcpRetransSeg_lo;
stats->iw.tcpInErrs = ((u64) m.tcpInErrs_hi << 32) +
m.tcpInErrs_lo;
stats->iw.tcpRtoMin = (u64) m.tcpRtoMin;
stats->iw.tcpRtoMax = (u64) m.tcpRtoMax;
return 0;
}
static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL);
static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL);
@ -1254,7 +1310,7 @@ static struct device_attribute *iwch_class_attributes[] = {
&dev_attr_hw_rev,
&dev_attr_fw_ver,
&dev_attr_hca_type,
&dev_attr_board_id
&dev_attr_board_id,
};
int iwch_register_device(struct iwch_dev *dev)
@ -1325,15 +1381,13 @@ int iwch_register_device(struct iwch_dev *dev)
dev->ibdev.alloc_fast_reg_mr = iwch_alloc_fast_reg_mr;
dev->ibdev.alloc_fast_reg_page_list = iwch_alloc_fastreg_pbl;
dev->ibdev.free_fast_reg_page_list = iwch_free_fastreg_pbl;
dev->ibdev.attach_mcast = iwch_multicast_attach;
dev->ibdev.detach_mcast = iwch_multicast_detach;
dev->ibdev.process_mad = iwch_process_mad;
dev->ibdev.req_notify_cq = iwch_arm_cq;
dev->ibdev.post_send = iwch_post_send;
dev->ibdev.post_recv = iwch_post_receive;
dev->ibdev.get_protocol_stats = iwch_get_mib;
dev->ibdev.iwcm = kmalloc(sizeof(struct iw_cm_verbs), GFP_KERNEL);
if (!dev->ibdev.iwcm)

1
drivers/net/cxgb3/cxgb3_ctl_defs.h
View file

@ -54,6 +54,7 @@ enum {
RDMA_CQ_DISABLE = 16,
RDMA_CTRL_QP_SETUP = 17,
RDMA_GET_MEM = 18,
RDMA_GET_MIB = 19,
GET_RX_PAGE_INFO = 50,
};

7
drivers/net/cxgb3/cxgb3_offload.c
View file

@ -303,6 +303,12 @@ static int cxgb_rdma_ctl(struct adapter *adapter, unsigned int req, void *data)
spin_unlock_irq(&adapter->sge.reg_lock);
break;
}
case RDMA_GET_MIB: {
spin_lock(&adapter->stats_lock);
t3_tp_get_mib_stats(adapter, (struct tp_mib_stats *)data);
spin_unlock(&adapter->stats_lock);
break;
}
default:
ret = -EOPNOTSUPP;
}
@ -381,6 +387,7 @@ static int cxgb_offload_ctl(struct t3cdev *tdev, unsigned int req, void *data)
case RDMA_CQ_DISABLE:
case RDMA_CTRL_QP_SETUP:
case RDMA_GET_MEM:
case RDMA_GET_MIB:
if (!offload_running(adapter))
return -EAGAIN;
return cxgb_rdma_ctl(adapter, req, data);