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IB/MAD: Add SMP details to MAD tracing

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Decode more information from the packet and include it in the trace.

Reviewed-by: "Ruhl, Michael J" <michael.j.ruhl@intel.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Ira Weiny 2019-03-19 14:11:48 -07:00 committed by Jason Gunthorpe
parent 056533192a
commit 2ccfbb70c2
2 changed files with 98 additions and 0 deletions
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8
drivers/infiniband/core/mad.c
View File

@ -841,6 +841,8 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv,
if (opa && smp->class_version == OPA_SM_CLASS_VERSION) {
u32 opa_drslid;
trace_ib_mad_handle_out_opa_smi(opa_smp);
if ((opa_get_smp_direction(opa_smp)
? opa_smp->route.dr.dr_dlid : opa_smp->route.dr.dr_slid) ==
OPA_LID_PERMISSIVE &&
@ -866,6 +868,8 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv,
opa_smi_check_local_returning_smp(opa_smp, device) == IB_SMI_DISCARD)
goto out;
} else {
trace_ib_mad_handle_out_ib_smi(smp);
if ((ib_get_smp_direction(smp) ? smp->dr_dlid : smp->dr_slid) ==
IB_LID_PERMISSIVE &&
smi_handle_dr_smp_send(smp, rdma_cap_ib_switch(device), port_num) ==
@ -2098,6 +2102,8 @@ static enum smi_action handle_ib_smi(const struct ib_mad_port_private *port_priv
enum smi_forward_action retsmi;
struct ib_smp *smp = (struct ib_smp *)recv->mad;
trace_ib_mad_handle_ib_smi(smp);
if (smi_handle_dr_smp_recv(smp,
rdma_cap_ib_switch(port_priv->device),
port_num,
@ -2183,6 +2189,8 @@ handle_opa_smi(struct ib_mad_port_private *port_priv,
enum smi_forward_action retsmi;
struct opa_smp *smp = (struct opa_smp *)recv->mad;
trace_ib_mad_handle_opa_smi(smp);
if (opa_smi_handle_dr_smp_recv(smp,
rdma_cap_ib_switch(port_priv->device),
port_num,

90
include/trace/events/ib_mad.h
View File

@ -295,6 +295,96 @@ DEFINE_EVENT(ib_mad_agent_template, ib_mad_unregister_agent,
TP_ARGS(agent));
DECLARE_EVENT_CLASS(ib_mad_opa_smi_template,
TP_PROTO(struct opa_smp *smp),
TP_ARGS(smp),
TP_STRUCT__entry(
__field(u64, mkey)
__field(u32, dr_slid)
__field(u32, dr_dlid)
__field(u8, hop_ptr)
__field(u8, hop_cnt)
__array(u8, initial_path, OPA_SMP_MAX_PATH_HOPS)
__array(u8, return_path, OPA_SMP_MAX_PATH_HOPS)
),
TP_fast_assign(
__entry->hop_ptr = smp->hop_ptr;
__entry->hop_cnt = smp->hop_cnt;
__entry->mkey = smp->mkey;
__entry->dr_slid = smp->route.dr.dr_slid;
__entry->dr_dlid = smp->route.dr.dr_dlid;
memcpy(__entry->initial_path, smp->route.dr.initial_path,
OPA_SMP_MAX_PATH_HOPS);
memcpy(__entry->return_path, smp->route.dr.return_path,
OPA_SMP_MAX_PATH_HOPS);
),
TP_printk("OPA SMP: hop_ptr %d hop_cnt %d " \
"mkey 0x%016llx dr_slid 0x%08x dr_dlid 0x%08x " \
"initial_path %*ph return_path %*ph ",
__entry->hop_ptr, __entry->hop_cnt,
be64_to_cpu(__entry->mkey), be32_to_cpu(__entry->dr_slid),
be32_to_cpu(__entry->dr_dlid),
OPA_SMP_MAX_PATH_HOPS, __entry->initial_path,
OPA_SMP_MAX_PATH_HOPS, __entry->return_path
)
);
DEFINE_EVENT(ib_mad_opa_smi_template, ib_mad_handle_opa_smi,
TP_PROTO(struct opa_smp *smp),
TP_ARGS(smp));
DEFINE_EVENT(ib_mad_opa_smi_template, ib_mad_handle_out_opa_smi,
TP_PROTO(struct opa_smp *smp),
TP_ARGS(smp));
DECLARE_EVENT_CLASS(ib_mad_opa_ib_template,
TP_PROTO(struct ib_smp *smp),
TP_ARGS(smp),
TP_STRUCT__entry(
__field(u64, mkey)
__field(u32, dr_slid)
__field(u32, dr_dlid)
__field(u8, hop_ptr)
__field(u8, hop_cnt)
__array(u8, initial_path, IB_SMP_MAX_PATH_HOPS)
__array(u8, return_path, IB_SMP_MAX_PATH_HOPS)
),
TP_fast_assign(
__entry->hop_ptr = smp->hop_ptr;
__entry->hop_cnt = smp->hop_cnt;
__entry->mkey = smp->mkey;
__entry->dr_slid = smp->dr_slid;
__entry->dr_dlid = smp->dr_dlid;
memcpy(__entry->initial_path, smp->initial_path,
IB_SMP_MAX_PATH_HOPS);
memcpy(__entry->return_path, smp->return_path,
IB_SMP_MAX_PATH_HOPS);
),
TP_printk("OPA SMP: hop_ptr %d hop_cnt %d " \
"mkey 0x%016llx dr_slid 0x%04x dr_dlid 0x%04x " \
"initial_path %*ph return_path %*ph ",
__entry->hop_ptr, __entry->hop_cnt,
be64_to_cpu(__entry->mkey), be16_to_cpu(__entry->dr_slid),
be16_to_cpu(__entry->dr_dlid),
IB_SMP_MAX_PATH_HOPS, __entry->initial_path,
IB_SMP_MAX_PATH_HOPS, __entry->return_path
)
);
DEFINE_EVENT(ib_mad_opa_ib_template, ib_mad_handle_ib_smi,
TP_PROTO(struct ib_smp *smp),
TP_ARGS(smp));
DEFINE_EVENT(ib_mad_opa_ib_template, ib_mad_handle_out_ib_smi,
TP_PROTO(struct ib_smp *smp),
TP_ARGS(smp));
#endif /* _TRACE_IB_MAD_H */
#include <trace/define_trace.h>