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cxgbe(4): two new debug sysctls.

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dev.<nexus>.<instance>.misc.tid_stats
dev.<nexus>.<instance>.misc.tnl_stats

MFC after:	3 days
Sponsored by:	Chelsio Communications
This commit is contained in:
Navdeep Parhar 2020-12-03 22:00:41 +00:00
parent a42f096821
commit dbc5c85c66
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=368313
3 changed files with 138 additions and 0 deletions
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16
sys/dev/cxgbe/common/common.h
View File

@ -189,6 +189,13 @@ struct tp_usm_stats {
u64 octets;
};
struct tp_tid_stats {
u32 del;
u32 inv;
u32 act;
u32 pas;
};
struct tp_fcoe_stats {
u32 frames_ddp;
u32 frames_drop;
@ -208,6 +215,11 @@ struct tp_err_stats {
u32 ofld_cong_defer;
};
struct tp_tnl_stats {
u32 out_pkt[MAX_NCHAN];
u32 in_pkt[MAX_NCHAN];
};
struct tp_proxy_stats {
u32 proxy[MAX_NCHAN];
};
@ -715,6 +727,8 @@ void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr,
void t4_tp_read_la(struct adapter *adap, u64 *la_buf, unsigned int *wrptr);
void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st,
bool sleep_ok);
void t4_tp_get_tnl_stats(struct adapter *adap, struct tp_tnl_stats *st,
bool sleep_ok);
void t4_tp_get_proxy_stats(struct adapter *adap, struct tp_proxy_stats *st,
bool sleep_ok);
void t4_tp_get_cpl_stats(struct adapter *adap, struct tp_cpl_stats *st,
@ -723,6 +737,8 @@ void t4_tp_get_rdma_stats(struct adapter *adap, struct tp_rdma_stats *st,
bool sleep_ok);
void t4_get_usm_stats(struct adapter *adap, struct tp_usm_stats *st,
bool sleep_ok);
void t4_tp_get_tid_stats(struct adapter *adap, struct tp_tid_stats *st,
bool sleep_ok);
void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4,
struct tp_tcp_stats *v6, bool sleep_ok);
void t4_get_fcoe_stats(struct adapter *adap, unsigned int idx,

34
sys/dev/cxgbe/common/t4_hw.c
View File

@ -6168,6 +6168,25 @@ void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st,
sleep_ok);
}
/**
* t4_tp_get_err_stats - read TP's error MIB counters
* @adap: the adapter
* @st: holds the counter values
* @sleep_ok: if true we may sleep while awaiting command completion
*
* Returns the values of TP's error counters.
*/
void t4_tp_get_tnl_stats(struct adapter *adap, struct tp_tnl_stats *st,
bool sleep_ok)
{
int nchan = adap->chip_params->nchan;
t4_tp_mib_read(adap, st->out_pkt, nchan, A_TP_MIB_TNL_OUT_PKT_0,
sleep_ok);
t4_tp_mib_read(adap, st->in_pkt, nchan, A_TP_MIB_TNL_IN_PKT_0,
sleep_ok);
}
/**
* t4_tp_get_proxy_stats - read TP's proxy MIB counters
* @adap: the adapter
@ -6261,6 +6280,21 @@ void t4_get_usm_stats(struct adapter *adap, struct tp_usm_stats *st,
st->octets = ((u64)val[2] << 32) | val[3];
}
/**
* t4_tp_get_tid_stats - read TP's tid MIB counters.
* @adap: the adapter
* @st: holds the counter values
* @sleep_ok: if true we may sleep while awaiting command completion
*
* Returns the values of TP's counters for tids.
*/
void t4_tp_get_tid_stats(struct adapter *adap, struct tp_tid_stats *st,
bool sleep_ok)
{
t4_tp_mib_read(adap, &st->del, 4, A_TP_MIB_TID_DEL, sleep_ok);
}
/**
* t4_read_mtu_tbl - returns the values in the HW path MTU table
* @adap: the adapter

88
sys/dev/cxgbe/t4_main.c
View File

@ -761,6 +761,7 @@ static int sysctl_cim_pif_la(SYSCTL_HANDLER_ARGS);
static int sysctl_cim_qcfg(SYSCTL_HANDLER_ARGS);
static int sysctl_cpl_stats(SYSCTL_HANDLER_ARGS);
static int sysctl_ddp_stats(SYSCTL_HANDLER_ARGS);
static int sysctl_tid_stats(SYSCTL_HANDLER_ARGS);
static int sysctl_devlog(SYSCTL_HANDLER_ARGS);
static int sysctl_fcoe_stats(SYSCTL_HANDLER_ARGS);
static int sysctl_hw_sched(SYSCTL_HANDLER_ARGS);
@ -775,6 +776,7 @@ static int sysctl_rdma_stats(SYSCTL_HANDLER_ARGS);
static int sysctl_tcp_stats(SYSCTL_HANDLER_ARGS);
static int sysctl_tids(SYSCTL_HANDLER_ARGS);
static int sysctl_tp_err_stats(SYSCTL_HANDLER_ARGS);
static int sysctl_tnl_stats(SYSCTL_HANDLER_ARGS);
static int sysctl_tp_la_mask(SYSCTL_HANDLER_ARGS);
static int sysctl_tp_la(SYSCTL_HANDLER_ARGS);
static int sysctl_tx_rate(SYSCTL_HANDLER_ARGS);
@ -6633,6 +6635,10 @@ t4_sysctls(struct adapter *sc)
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_ddp_stats, "A", "non-TCP DDP statistics");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tid_stats",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_tid_stats, "A", "tid stats");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "devlog",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_devlog, "A", "firmware's device log");
@ -6696,6 +6702,10 @@ t4_sysctls(struct adapter *sc)
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_tp_err_stats, "A", "TP error statistics");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tnl_stats",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_tnl_stats, "A", "TP tunnel statistics");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tp_la_mask",
CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, sc, 0,
sysctl_tp_la_mask, "I", "TP logic analyzer event capture mask");
@ -8291,7 +8301,9 @@ sysctl_ddp_stats(SYSCTL_HANDLER_ARGS)
if (sb == NULL)
return (ENOMEM);
mtx_lock(&sc->reg_lock);
t4_get_usm_stats(sc, &stats, 1);
mtx_unlock(&sc->reg_lock);
sbuf_printf(sb, "Frames: %u\n", stats.frames);
sbuf_printf(sb, "Octets: %ju\n", stats.octets);
@ -8303,6 +8315,37 @@ sysctl_ddp_stats(SYSCTL_HANDLER_ARGS)
return (rc);
}
static int
sysctl_tid_stats(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
int rc;
struct tp_tid_stats stats;
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return(rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
if (sb == NULL)
return (ENOMEM);
mtx_lock(&sc->reg_lock);
t4_tp_get_tid_stats(sc, &stats, 1);
mtx_unlock(&sc->reg_lock);
sbuf_printf(sb, "Delete: %u\n", stats.del);
sbuf_printf(sb, "Invalidate: %u\n", stats.inv);
sbuf_printf(sb, "Active: %u\n", stats.act);
sbuf_printf(sb, "Passive: %u", stats.pas);
rc = sbuf_finish(sb);
sbuf_delete(sb);
return (rc);
}
static const char * const devlog_level_strings[] = {
[FW_DEVLOG_LEVEL_EMERG] = "EMERG",
[FW_DEVLOG_LEVEL_CRIT] = "CRIT",
@ -8465,8 +8508,10 @@ sysctl_fcoe_stats(SYSCTL_HANDLER_ARGS)
if (sb == NULL)
return (ENOMEM);
mtx_lock(&sc->reg_lock);
for (i = 0; i < nchan; i++)
t4_get_fcoe_stats(sc, i, &stats[i], 1);
mtx_unlock(&sc->reg_lock);
if (nchan > 2) {
sbuf_printf(sb, " channel 0 channel 1"
@ -9462,6 +9507,49 @@ sysctl_tp_err_stats(SYSCTL_HANDLER_ARGS)
return (rc);
}
static int
sysctl_tnl_stats(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
int rc;
struct tp_tnl_stats stats;
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return(rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
if (sb == NULL)
return (ENOMEM);
mtx_lock(&sc->reg_lock);
t4_tp_get_tnl_stats(sc, &stats, 1);
mtx_unlock(&sc->reg_lock);
if (sc->chip_params->nchan > 2) {
sbuf_printf(sb, " channel 0 channel 1"
" channel 2 channel 3\n");
sbuf_printf(sb, "OutPkts: %10u %10u %10u %10u\n",
stats.out_pkt[0], stats.out_pkt[1],
stats.out_pkt[2], stats.out_pkt[3]);
sbuf_printf(sb, "InPkts: %10u %10u %10u %10u",
stats.in_pkt[0], stats.in_pkt[1],
stats.in_pkt[2], stats.in_pkt[3]);
} else {
sbuf_printf(sb, " channel 0 channel 1\n");
sbuf_printf(sb, "OutPkts: %10u %10u\n",
stats.out_pkt[0], stats.out_pkt[1]);
sbuf_printf(sb, "InPkts: %10u %10u",
stats.in_pkt[0], stats.in_pkt[1]);
}
rc = sbuf_finish(sb);
sbuf_delete(sb);
return (rc);
}
static int
sysctl_tp_la_mask(SYSCTL_HANDLER_ARGS)
{