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IB/hfi1: Add 16B trace support

Browse Source 
Add trace support to 16B bypass packets during send and
receive.

Sample input header trace:
<idle>-0     [000] d.h. 271742.509477: input_ibhdr: [0000:05:00.0] (16B)
len:24 sc:0 dlid:0xf0000b slid:0x10002 age:0 becn:0 fecn:0 l4:10 rc:0
sc:0 pkey:0x8001 entropy:0x0000 op:0x65,UD_SEND_ONLY_WITH_IMMEDIATE se:0
m:1 pad:3 tver:0 qpn:0xffffff a:0 psn:0x00000001 hlen:248 deth qkey
0x01234567 sqpn 0x000004

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Don Hiatt <don.hiatt@intel.com>
Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Don Hiatt 2017-08-04 13:54:29 -07:00 committed by Doug Ledford
parent 88733e3b84
commit 863cf89d47
3 changed files with 406 additions and 123 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
drivers/infiniband/hw/hfi1/hfi.h
View File

@ -381,6 +381,11 @@ struct hfi1_packet {
#define OPA_16B_PKEY_SHIFT 16
#define OPA_16B_LEN_MASK 0x7FF00000ull
#define OPA_16B_LEN_SHIFT 20
#define OPA_16B_RC_MASK 0xE000000ull
#define OPA_16B_RC_SHIFT 25
#define OPA_16B_AGE_MASK 0xFF0000ull
#define OPA_16B_AGE_SHIFT 16
#define OPA_16B_ENTROPY_MASK 0xFFFFull
/*
* OPA 16B L2/L4 Encodings
@ -434,6 +439,26 @@ static inline u16 hfi1_16B_get_pkey(struct hfi1_16b_header *hdr)
return (u16)((hdr->lrh[2] & OPA_16B_PKEY_MASK) >> OPA_16B_PKEY_SHIFT);
}
static inline u8 hfi1_16B_get_rc(struct hfi1_16b_header *hdr)
{
return (u8)((hdr->lrh[1] & OPA_16B_RC_MASK) >> OPA_16B_RC_SHIFT);
}
static inline u8 hfi1_16B_get_age(struct hfi1_16b_header *hdr)
{
return (u8)((hdr->lrh[3] & OPA_16B_AGE_MASK) >> OPA_16B_AGE_SHIFT);
}
static inline u16 hfi1_16B_get_len(struct hfi1_16b_header *hdr)
{
return (u16)((hdr->lrh[0] & OPA_16B_LEN_MASK) >> OPA_16B_LEN_SHIFT);
}
static inline u16 hfi1_16B_get_entropy(struct hfi1_16b_header *hdr)
{
return (u16)(hdr->lrh[3] & OPA_16B_ENTROPY_MASK);
}
/*
* BTH
*/

153
drivers/infiniband/hw/hfi1/trace.c
View File

@ -47,7 +47,7 @@
#define CREATE_TRACE_POINTS
#include "trace.h"
u8 hfi1_trace_ib_hdr_len(struct ib_header *hdr)
static u8 __get_ib_hdr_len(struct ib_header *hdr)
{
struct ib_other_headers *ohdr;
u8 opcode;
@ -61,9 +61,60 @@ u8 hfi1_trace_ib_hdr_len(struct ib_header *hdr)
0 : hdr_len_by_opcode[opcode] - (12 + 8);
}
static u8 __get_16b_hdr_len(struct hfi1_16b_header *hdr)
{
struct ib_other_headers *ohdr;
u8 opcode;
if (hfi1_16B_get_l4(hdr) == OPA_16B_L4_IB_LOCAL)
ohdr = &hdr->u.oth;
else
ohdr = &hdr->u.l.oth;
opcode = ib_bth_get_opcode(ohdr);
return hdr_len_by_opcode[opcode] == 0 ?
0 : hdr_len_by_opcode[opcode] - (12 + 8 + 8);
}
u8 hfi1_trace_packet_hdr_len(struct hfi1_packet *packet)
{
if (packet->etype != RHF_RCV_TYPE_BYPASS)
return __get_ib_hdr_len(packet->hdr);
else
return __get_16b_hdr_len(packet->hdr);
}
u8 hfi1_trace_opa_hdr_len(struct hfi1_opa_header *opa_hdr)
{
if (!opa_hdr->hdr_type)
return __get_ib_hdr_len(&opa_hdr->ibh);
else
return __get_16b_hdr_len(&opa_hdr->opah);
}
const char *hfi1_trace_get_packet_str(struct hfi1_packet *packet)
{
return "IB";
if (packet->etype != RHF_RCV_TYPE_BYPASS)
return "IB";
switch (hfi1_16B_get_l2(packet->hdr)) {
case 0:
return "0";
case 1:
return "1";
case 2:
return "16B";
case 3:
return "9B";
}
return "";
}
const char *hfi1_trace_get_packet_type_str(u8 l4)
{
if (l4)
return "16B";
else
return "9B";
}
#define IMM_PRN "imm:%d"
@ -89,10 +140,10 @@ static const char *parse_syndrome(u8 syndrome)
return "";
}
void hfi1_trace_parse_bth(struct ib_other_headers *ohdr,
u8 *ack, u8 *becn, u8 *fecn, u8 *mig,
u8 *se, u8 *pad, u8 *opcode, u8 *tver,
u16 *pkey, u32 *psn, u32 *qpn)
void hfi1_trace_parse_9b_bth(struct ib_other_headers *ohdr,
u8 *ack, u8 *becn, u8 *fecn, u8 *mig,
u8 *se, u8 *pad, u8 *opcode, u8 *tver,
u16 *pkey, u32 *psn, u32 *qpn)
{
*ack = ib_bth_get_ackreq(ohdr);
*becn = ib_bth_get_becn(ohdr);
@ -107,8 +158,22 @@ void hfi1_trace_parse_bth(struct ib_other_headers *ohdr,
*qpn = ib_bth_get_qpn(ohdr);
}
void hfi1_trace_parse_16b_bth(struct ib_other_headers *ohdr,
u8 *ack, u8 *mig, u8 *opcode,
u8 *pad, u8 *se, u8 *tver,
u32 *psn, u32 *qpn)
{
*ack = ib_bth_get_ackreq(ohdr);
*mig = ib_bth_get_migreq(ohdr);
*opcode = ib_bth_get_opcode(ohdr);
*pad = ib_bth_get_pad(ohdr);
*se = ib_bth_get_se(ohdr);
*tver = ib_bth_get_tver(ohdr);
*psn = ib_bth_get_psn(ohdr);
*qpn = ib_bth_get_qpn(ohdr);
}
void hfi1_trace_parse_9b_hdr(struct ib_header *hdr, bool sc5,
struct ib_other_headers **ohdr,
u8 *lnh, u8 *lver, u8 *sl, u8 *sc,
u16 *len, u32 *dlid, u32 *slid)
{
@ -119,11 +184,79 @@ void hfi1_trace_parse_9b_hdr(struct ib_header *hdr, bool sc5,
*len = ib_get_len(hdr);
*dlid = ib_get_dlid(hdr);
*slid = ib_get_slid(hdr);
}
void hfi1_trace_parse_16b_hdr(struct hfi1_16b_header *hdr,
u8 *age, u8 *becn, u8 *fecn,
u8 *l4, u8 *rc, u8 *sc,
u16 *entropy, u16 *len, u16 *pkey,
u32 *dlid, u32 *slid)
{
*age = hfi1_16B_get_age(hdr);
*becn = hfi1_16B_get_becn(hdr);
*fecn = hfi1_16B_get_fecn(hdr);
*l4 = hfi1_16B_get_l4(hdr);
*rc = hfi1_16B_get_rc(hdr);
*sc = hfi1_16B_get_sc(hdr);
*entropy = hfi1_16B_get_entropy(hdr);
*len = hfi1_16B_get_len(hdr);
*pkey = hfi1_16B_get_pkey(hdr);
*dlid = hfi1_16B_get_dlid(hdr);
*slid = hfi1_16B_get_slid(hdr);
}
#define LRH_PRN "len:%d sc:%d dlid:0x%.4x slid:0x%.4x "
#define LRH_9B_PRN "lnh:%d,%s lver:%d sl:%d"
#define LRH_16B_PRN "age:%d becn:%d fecn:%d l4:%d " \
"rc:%d sc:%d pkey:0x%.4x entropy:0x%.4x"
const char *hfi1_trace_fmt_lrh(struct trace_seq *p, bool bypass,
u8 age, u8 becn, u8 fecn, u8 l4,
u8 lnh, const char *lnh_name, u8 lver,
u8 rc, u8 sc, u8 sl, u16 entropy,
u16 len, u16 pkey, u32 dlid, u32 slid)
{
const char *ret = trace_seq_buffer_ptr(p);
trace_seq_printf(p, LRH_PRN, len, sc, dlid, slid);
if (bypass)
trace_seq_printf(p, LRH_16B_PRN,
age, becn, fecn, l4, rc, sc, pkey, entropy);
if (*lnh == HFI1_LRH_BTH)
*ohdr = &hdr->u.oth;
else
*ohdr = &hdr->u.l.oth;
trace_seq_printf(p, LRH_9B_PRN,
lnh, lnh_name, lver, sl);
trace_seq_putc(p, 0);
return ret;
}
#define BTH_9B_PRN \
"op:0x%.2x,%s se:%d m:%d pad:%d tver:%d pkey:0x%.4x " \
"f:%d b:%d qpn:0x%.6x a:%d psn:0x%.8x"
#define BTH_16B_PRN \
"op:0x%.2x,%s se:%d m:%d pad:%d tver:%d " \
"qpn:0x%.6x a:%d psn:0x%.8x"
const char *hfi1_trace_fmt_bth(struct trace_seq *p, bool bypass,
u8 ack, u8 becn, u8 fecn, u8 mig,
u8 se, u8 pad, u8 opcode, const char *opname,
u8 tver, u16 pkey, u32 psn, u32 qpn)
{
const char *ret = trace_seq_buffer_ptr(p);
if (bypass)
trace_seq_printf(p, BTH_16B_PRN,
opcode, opname,
se, mig, pad, tver, qpn, ack, psn);
else
trace_seq_printf(p, BTH_9B_PRN,
opcode, opname,
se, mig, pad, tver, pkey, fecn, becn,
qpn, ack, psn);
trace_seq_putc(p, 0);
return ret;
}
const char *parse_everbs_hdrs(

351
drivers/infiniband/hw/hfi1/trace_ibhdrs.h
View File

@ -95,17 +95,39 @@ __print_symbolic(opcode, \
ib_opcode_name(UD_SEND_ONLY_WITH_IMMEDIATE), \
ib_opcode_name(CNP))
u8 ibhdr_exhdr_len(struct ib_header *hdr);
const char *parse_everbs_hdrs(struct trace_seq *p, u8 opcode, void *ehdrs);
u8 hfi1_trace_ib_hdr_len(struct ib_header *hdr);
u8 hfi1_trace_opa_hdr_len(struct hfi1_opa_header *opah);
u8 hfi1_trace_packet_hdr_len(struct hfi1_packet *packet);
const char *hfi1_trace_get_packet_type_str(u8 l4);
const char *hfi1_trace_get_packet_str(struct hfi1_packet *packet);
void hfi1_trace_parse_bth(struct ib_other_headers *ohdr,
u8 *ack, u8 *becn, u8 *fecn, u8 *mig,
u8 *se, u8 *pad, u8 *opcode, u8 *tver,
u16 *pkey, u32 *psn, u32 *qpn);
void hfi1_trace_parse_9b_bth(struct ib_other_headers *ohdr,
u8 *ack, u8 *becn, u8 *fecn, u8 *mig,
u8 *se, u8 *pad, u8 *opcode, u8 *tver,
u16 *pkey, u32 *psn, u32 *qpn);
void hfi1_trace_parse_9b_hdr(struct ib_header *hdr, bool sc5,
struct ib_other_headers **ohdr,
u8 *lnh, u8 *lver, u8 *sl, u8 *sc,
u16 *len, u32 *dlid, u32 *slid);
void hfi1_trace_parse_16b_bth(struct ib_other_headers *ohdr,
u8 *ack, u8 *mig, u8 *opcode,
u8 *pad, u8 *se, u8 *tver,
u32 *psn, u32 *qpn);
void hfi1_trace_parse_16b_hdr(struct hfi1_16b_header *hdr,
u8 *age, u8 *becn, u8 *fecn,
u8 *l4, u8 *rc, u8 *sc,
u16 *entropy, u16 *len, u16 *pkey,
u32 *dlid, u32 *slid);
const char *hfi1_trace_fmt_lrh(struct trace_seq *p, bool bypass,
u8 age, u8 becn, u8 fecn, u8 l4,
u8 lnh, const char *lnh_name, u8 lver,
u8 rc, u8 sc, u8 sl, u16 entropy,
u16 len, u16 pkey, u32 dlid, u32 slid);
const char *hfi1_trace_fmt_bth(struct trace_seq *p, bool bypass,
u8 ack, u8 becn, u8 fecn, u8 mig,
u8 se, u8 pad, u8 opcode, const char *opname,
u8 tver, u16 pkey, u32 psn, u32 qpn);
#define __parse_ib_ehdrs(op, ehdrs) parse_everbs_hdrs(p, op, ehdrs)
@ -114,13 +136,8 @@ void hfi1_trace_parse_9b_hdr(struct ib_header *hdr, bool sc5,
__print_symbolic(lrh, \
lrh_name(LRH_BTH), \
lrh_name(LRH_GRH))
#define LRH_PRN "len:%d sc:%d dlid:0x%.4x slid:0x%.4x"
#define LRH_9B_PRN "lnh:%d,%s lver:%d sl:%d "
#define BTH_PRN \
"op:0x%.2x,%s se:%d m:%d pad:%d tver:%d pkey:0x%.4x " \
"f:%d b:%d qpn:0x%.6x a:%d psn:0x%.8x"
#define EHDR_PRN "hlen:%d %s"
#define PKT_ENTRY(pkt) __string(ptype, hfi1_trace_get_packet_str(packet))
#define PKT_ASSIGN(pkt) __assign_str(ptype, hfi1_trace_get_packet_str(packet))
DECLARE_EVENT_CLASS(hfi1_input_ibhdr_template,
TP_PROTO(struct hfi1_devdata *dd,
@ -129,75 +146,125 @@ DECLARE_EVENT_CLASS(hfi1_input_ibhdr_template,
TP_ARGS(dd, packet, sc5),
TP_STRUCT__entry(
DD_DEV_ENTRY(dd)
PKT_ENTRY(packet)
__field(bool, bypass)
__field(u8, ack)
__field(u8, age)
__field(u8, becn)
__field(u8, fecn)
__field(u8, l4)
__field(u8, lnh)
__field(u8, lver)
__field(u8, sl)
__field(u16, len)
__field(u32, dlid)
__field(u8, sc)
__field(u32, slid)
__field(u8, opcode)
__field(u8, se)
__field(u8, mig)
__field(u8, opcode)
__field(u8, pad)
__field(u8, rc)
__field(u8, sc)
__field(u8, se)
__field(u8, sl)
__field(u8, tver)
__field(u16, entropy)
__field(u16, len)
__field(u16, pkey)
__field(u8, fecn)
__field(u8, becn)
__field(u32, qpn)
__field(u8, ack)
__field(u32, dlid)
__field(u32, psn)
__field(u32, qpn)
__field(u32, slid)
/* extended headers */
__dynamic_array(u8, ehdrs,
hfi1_trace_ib_hdr_len(packet->hdr))
hfi1_trace_packet_hdr_len(packet))
),
TP_fast_assign(
struct ib_other_headers *ohdr;
DD_DEV_ASSIGN(dd);
PKT_ASSIGN(packet);
DD_DEV_ASSIGN(dd);
if (packet->etype == RHF_RCV_TYPE_BYPASS) {
__entry->bypass = true;
hfi1_trace_parse_16b_hdr(packet->hdr,
&__entry->age,
&__entry->becn,
&__entry->fecn,
&__entry->l4,
&__entry->rc,
&__entry->sc,
&__entry->entropy,
&__entry->len,
&__entry->pkey,
&__entry->dlid,
&__entry->slid);
hfi1_trace_parse_9b_hdr(packet->hdr, sc5,
&ohdr,
&__entry->lnh,
&__entry->lver,
&__entry->sl,
&__entry->sc,
&__entry->len,
&__entry->dlid,
&__entry->slid);
hfi1_trace_parse_16b_bth(packet->ohdr,
&__entry->ack,
&__entry->mig,
&__entry->opcode,
&__entry->pad,
&__entry->se,
&__entry->tver,
&__entry->psn,
&__entry->qpn);
} else {
__entry->bypass = false;
hfi1_trace_parse_9b_hdr(packet->hdr, sc5,
&__entry->lnh,
&__entry->lver,
&__entry->sl,
&__entry->sc,
&__entry->len,
&__entry->dlid,
&__entry->slid);
hfi1_trace_parse_bth(ohdr, &__entry->ack,
&__entry->becn, &__entry->fecn,
&__entry->mig, &__entry->se,
&__entry->pad, &__entry->opcode,
&__entry->tver, &__entry->pkey,
&__entry->psn, &__entry->qpn);
/* extended headers */
memcpy(__get_dynamic_array(ehdrs), &ohdr->u,
__get_dynamic_array_len(ehdrs));
hfi1_trace_parse_9b_bth(packet->ohdr,
&__entry->ack,
&__entry->becn,
&__entry->fecn,
&__entry->mig,
&__entry->se,
&__entry->pad,
&__entry->opcode,
&__entry->tver,
&__entry->pkey,
&__entry->psn,
&__entry->qpn);
}
/* extended headers */
memcpy(__get_dynamic_array(ehdrs),
&packet->ohdr->u,
__get_dynamic_array_len(ehdrs));
),
TP_printk("[%s] (IB) " LRH_PRN " " LRH_9B_PRN " "
BTH_PRN " " EHDR_PRN,
TP_printk("[%s] (%s) %s %s hlen:%d %s",
__get_str(dev),
__entry->len,
__entry->sc,
__entry->dlid,
__entry->slid,
__entry->lnh, show_lnh(__entry->lnh),
__entry->lver,
__entry->sl,
/* BTH */
__entry->opcode, show_ib_opcode(__entry->opcode),
__entry->se,
__entry->mig,
__entry->pad,
__entry->tver,
__entry->pkey,
__entry->fecn,
__entry->becn,
__entry->qpn,
__entry->ack,
__entry->psn,
__get_str(ptype),
hfi1_trace_fmt_lrh(p,
__entry->bypass,
__entry->age,
__entry->becn,
__entry->fecn,
__entry->l4,
__entry->lnh,
show_lnh(__entry->lnh),
__entry->lver,
__entry->rc,
__entry->sc,
__entry->sl,
__entry->entropy,
__entry->len,
__entry->pkey,
__entry->dlid,
__entry->slid),
hfi1_trace_fmt_bth(p,
__entry->bypass,
__entry->ack,
__entry->becn,
__entry->fecn,
__entry->mig,
__entry->se,
__entry->pad,
__entry->opcode,
show_ib_opcode(__entry->opcode),
__entry->tver,
__entry->pkey,
__entry->psn,
__entry->qpn),
/* extended headers */
__get_dynamic_array_len(ehdrs),
__parse_ib_ehdrs(
@ -213,78 +280,136 @@ DEFINE_EVENT(hfi1_input_ibhdr_template, input_ibhdr,
DECLARE_EVENT_CLASS(hfi1_output_ibhdr_template,
TP_PROTO(struct hfi1_devdata *dd,
struct hfi1_opa_header *opah,
bool sc5),
struct hfi1_opa_header *opah, bool sc5),
TP_ARGS(dd, opah, sc5),
TP_STRUCT__entry(
DD_DEV_ENTRY(dd)
__field(bool, bypass)
__field(u8, ack)
__field(u8, age)
__field(u8, becn)
__field(u8, fecn)
__field(u8, l4)
__field(u8, lnh)
__field(u8, lver)
__field(u8, sl)
__field(u16, len)
__field(u32, dlid)
__field(u8, sc)
__field(u32, slid)
__field(u8, opcode)
__field(u8, se)
__field(u8, mig)
__field(u8, opcode)
__field(u8, pad)
__field(u8, rc)
__field(u8, sc)
__field(u8, se)
__field(u8, sl)
__field(u8, tver)
__field(u16, entropy)
__field(u16, len)
__field(u16, pkey)
__field(u8, fecn)
__field(u8, becn)
__field(u32, qpn)
__field(u8, ack)
__field(u32, dlid)
__field(u32, psn)
__field(u32, qpn)
__field(u32, slid)
/* extended headers */
__dynamic_array(u8, ehdrs,
hfi1_trace_ib_hdr_len(&opah->ibh))
hfi1_trace_opa_hdr_len(opah))
),
TP_fast_assign(
struct ib_other_headers *ohdr;
struct ib_header *hdr = &opah->ibh;
DD_DEV_ASSIGN(dd);
hfi1_trace_parse_9b_hdr(hdr, sc5,
&ohdr, &__entry->lnh,
&__entry->lver, &__entry->sl,
&__entry->sc, &__entry->len,
&__entry->dlid, &__entry->slid);
if (opah->hdr_type) {
__entry->bypass = true;
hfi1_trace_parse_16b_hdr(&opah->opah,
&__entry->age,
&__entry->becn,
&__entry->fecn,
&__entry->l4,
&__entry->rc,
&__entry->sc,
&__entry->entropy,
&__entry->len,
&__entry->pkey,
&__entry->dlid,
&__entry->slid);
hfi1_trace_parse_bth(ohdr, &__entry->ack,
&__entry->becn, &__entry->fecn,
&__entry->mig, &__entry->se,
&__entry->pad, &__entry->opcode,
&__entry->tver, &__entry->pkey,
&__entry->psn, &__entry->qpn);
if (entry->l4 == OPA_16B_L4_IB_LOCAL)
ohdr = &opah->opah.u.oth;
else
ohdr = &opah->opah.u.l.oth;
hfi1_trace_parse_16b_bth(ohdr,
&__entry->ack,
&__entry->mig,
&__entry->opcode,
&__entry->pad,
&__entry->se,
&__entry->tver,
&__entry->psn,
&__entry->qpn);
} else {
__entry->bypass = false;
hfi1_trace_parse_9b_hdr(&opah->ibh, sc5,
&__entry->lnh,
&__entry->lver,
&__entry->sl,
&__entry->sc,
&__entry->len,
&__entry->dlid,
&__entry->slid);
if (entry->lnh == HFI1_LRH_BTH)
ohdr = &opah->ibh.u.oth;
else
ohdr = &opah->ibh.u.l.oth;
hfi1_trace_parse_9b_bth(ohdr,
&__entry->ack,
&__entry->becn,
&__entry->fecn,
&__entry->mig,
&__entry->se,
&__entry->pad,
&__entry->opcode,
&__entry->tver,
&__entry->pkey,
&__entry->psn,
&__entry->qpn);
}
/* extended headers */
memcpy(__get_dynamic_array(ehdrs),
&ohdr->u, __get_dynamic_array_len(ehdrs));
),
TP_printk("[%s] (IB) " LRH_PRN " " LRH_9B_PRN " "
BTH_PRN " " EHDR_PRN,
TP_printk("[%s] (%s) %s %s hlen:%d %s",
__get_str(dev),
__entry->len,
__entry->sc,
__entry->dlid,
__entry->slid,
__entry->lnh, show_lnh(__entry->lnh),
__entry->lver,
__entry->sl,
/* BTH */
__entry->opcode, show_ib_opcode(__entry->opcode),
__entry->se,
__entry->mig,
__entry->pad,
__entry->tver,
__entry->pkey,
__entry->fecn,
__entry->becn,
__entry->qpn,
__entry->ack,
__entry->psn,
hfi1_trace_get_packet_type_str(__entry->l4),
hfi1_trace_fmt_lrh(p,
__entry->bypass,
__entry->age,
__entry->becn,
__entry->fecn,
__entry->l4,
__entry->lnh,
show_lnh(__entry->lnh),
__entry->lver,
__entry->rc,
__entry->sc,
__entry->sl,
__entry->entropy,
__entry->len,
__entry->pkey,
__entry->dlid,
__entry->slid),
hfi1_trace_fmt_bth(p,
__entry->bypass,
__entry->ack,
__entry->becn,
__entry->fecn,
__entry->mig,
__entry->se,
__entry->pad,
__entry->opcode,
show_ib_opcode(__entry->opcode),
__entry->tver,
__entry->pkey,
__entry->psn,
__entry->qpn),
/* extended headers */
__get_dynamic_array_len(ehdrs),
__parse_ib_ehdrs(