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sfxge: use sparse index to retrieve sensor value

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Submitted by:   Andrew Jackson <ajackson at solarflare.com>
Sponsored by:   Solarflare Communications, Inc.
Approved by:    gnn (mentor)
This commit is contained in:
Andrew Rybchenko 2015-02-22 07:18:38 +00:00
parent 687adefa70
commit bce3678745
1 changed files with 6 additions and 4 deletions
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10
sys/dev/sfxge/common/siena_mon.c
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@ -105,6 +105,7 @@ siena_mon_decode_stats(
uint16_t mc_sensor;
size_t mc_sensor_max;
uint32_t vmask = 0;
uint32_t idx = 0;
/* Assert the MC_CMD_SENSOR and EFX_MON_STATE namespaces agree */
SIENA_STATIC_SENSOR_ASSERT(OK);
@ -125,18 +126,19 @@ siena_mon_decode_stats(
for (mc_sensor = 0; mc_sensor < mc_sensor_max; ++mc_sensor) {
uint16_t efx_sensor = sensor_map[mc_sensor];
if (~dmask & (1 << mc_sensor))
continue;
idx++;
if (efx_sensor == SIENA_MON_WRONG_PORT)
continue;
EFSYS_ASSERT(efx_sensor < EFX_MON_NSTATS);
if (~dmask & (1 << mc_sensor))
continue;
vmask |= (1 << efx_sensor);
if (value != NULL && esmp != NULL && !EFSYS_MEM_IS_NULL(esmp)) {
efx_mon_stat_value_t *emsvp = value + efx_sensor;
efx_dword_t dword;
EFSYS_MEM_READD(esmp, 4 * mc_sensor, &dword);
EFSYS_MEM_READD(esmp, 4 * (idx - 1), &dword);
emsvp->emsv_value =
(uint16_t)EFX_DWORD_FIELD(
dword,