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sfxge(4): decode Medford2 FEC stats if available

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Decode Medford2 FEC stats if available in MAC stats DMA buffer.

Submitted by:   Andy Moreton <amoreton at solarflare.com>
Sponsored by:   Solarflare Communications, Inc.
Differential Revision:  https://reviews.freebsd.org/D18178
This commit is contained in:
Andrew Rybchenko 2018-11-27 14:15:52 +00:00
parent 79300430e3
commit 747819d260
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=341064
3 changed files with 50 additions and 0 deletions
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44
sys/dev/sfxge/common/ef10_mac.c
View File

@ -550,8 +550,20 @@ ef10_mac_stats_get_mask(
goto fail6;
}
if (encp->enc_fec_counters) {
const struct efx_mac_stats_range ef10_fec[] = {
{ EFX_MAC_FEC_UNCORRECTED_ERRORS,
EFX_MAC_FEC_CORRECTED_SYMBOLS_LANE3 },
};
if ((rc = efx_mac_stats_mask_add_ranges(maskp, mask_size,
ef10_fec, EFX_ARRAY_SIZE(ef10_fec))) != 0)
goto fail7;
}
return (0);
fail7:
EFSYS_PROBE(fail7);
fail6:
EFSYS_PROBE(fail6);
fail5:
@ -907,6 +919,38 @@ ef10_mac_stats_update(
EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_OVERFLOW, &value);
EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_OVERFLOW]), &value);
if (encp->enc_mac_stats_nstats < MC_CMD_MAC_NSTATS_V2)
goto done;
/* FEC */
EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_FEC_UNCORRECTED_ERRORS, &value);
EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_FEC_UNCORRECTED_ERRORS]), &value);
EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_FEC_CORRECTED_ERRORS, &value);
EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_FEC_CORRECTED_ERRORS]), &value);
EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_FEC_CORRECTED_SYMBOLS_LANE0,
&value);
EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_FEC_CORRECTED_SYMBOLS_LANE0]),
&value);
EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_FEC_CORRECTED_SYMBOLS_LANE1,
&value);
EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_FEC_CORRECTED_SYMBOLS_LANE1]),
&value);
EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_FEC_CORRECTED_SYMBOLS_LANE2,
&value);
EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_FEC_CORRECTED_SYMBOLS_LANE2]),
&value);
EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_FEC_CORRECTED_SYMBOLS_LANE3,
&value);
EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_FEC_CORRECTED_SYMBOLS_LANE3]),
&value);
done:
/* Read START generation counter */
EFSYS_DMA_SYNC_FOR_KERNEL(esmp, 0, EFSYS_MEM_SIZE(esmp));
EFSYS_MEM_READ_BARRIER();

5
sys/dev/sfxge/common/ef10_nic.c
View File

@ -1212,6 +1212,11 @@ ef10_get_datapath_caps(
encp->enc_mac_stats_nstats = MC_CMD_MAC_NSTATS;
}
if (encp->enc_mac_stats_nstats >= MC_CMD_MAC_NSTATS_V2)
encp->enc_fec_counters = B_TRUE;
else
encp->enc_fec_counters = B_FALSE;
#undef CAP_FLAGS1
#undef CAP_FLAGS2

1
sys/dev/sfxge/common/efx.h
View File

@ -1268,6 +1268,7 @@ typedef struct efx_nic_cfg_s {
uint32_t enc_nvram_update_verify_result_supported;
/* Firmware support for extended MAC_STATS buffer */
uint32_t enc_mac_stats_nstats;
boolean_t enc_fec_counters;
} efx_nic_cfg_t;
#define EFX_PCI_FUNCTION_IS_PF(_encp) ((_encp)->enc_vf == 0xffff)