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sfc: ef10: implement ethtool::get_fec_stats

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Report what appears to be the standard block counts:
 - 30.5.1.1.17 aFECCorrectedBlocks
 - 30.5.1.1.18 aFECUncorrectableBlocks

Don't report the per-lane symbol counts, if those really
count symbols they are not what the standard calls for
(even if symbols seem like the most useful thing to count.)

Fingers crossed that fec_corrected_errors is not in symbols.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2021-04-15 15:53:17 -07:00 committed by David S. Miller
parent c9ca5c3aab
commit cab351be53
3 changed files with 30 additions and 0 deletions
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17
drivers/net/ethernet/sfc/ef10.c
View file

@ -1747,6 +1747,22 @@ static size_t efx_ef10_describe_stats(struct efx_nic *efx, u8 *names)
mask, names);
}
static void efx_ef10_get_fec_stats(struct efx_nic *efx,
struct ethtool_fec_stats *fec_stats)
{
DECLARE_BITMAP(mask, EF10_STAT_COUNT);
struct efx_ef10_nic_data *nic_data = efx->nic_data;
u64 *stats = nic_data->stats;
efx_ef10_get_stat_mask(efx, mask);
if (test_bit(EF10_STAT_fec_corrected_errors, mask))
fec_stats->corrected_blocks.total =
stats[EF10_STAT_fec_corrected_errors];
if (test_bit(EF10_STAT_fec_uncorrected_errors, mask))
fec_stats->uncorrectable_blocks.total =
stats[EF10_STAT_fec_uncorrected_errors];
}
static size_t efx_ef10_update_stats_common(struct efx_nic *efx, u64 *full_stats,
struct rtnl_link_stats64 *core_stats)
{
@ -4122,6 +4138,7 @@ const struct efx_nic_type efx_hunt_a0_nic_type = {
.get_wol = efx_ef10_get_wol,
.set_wol = efx_ef10_set_wol,
.resume_wol = efx_port_dummy_op_void,
.get_fec_stats = efx_ef10_get_fec_stats,
.test_chip = efx_ef10_test_chip,
.test_nvram = efx_mcdi_nvram_test_all,
.mcdi_request = efx_ef10_mcdi_request,

10
drivers/net/ethernet/sfc/ethtool.c
View file

@ -206,6 +206,15 @@ static int efx_ethtool_set_wol(struct net_device *net_dev,
return efx->type->set_wol(efx, wol->wolopts);
}
static void efx_ethtool_get_fec_stats(struct net_device *net_dev,
struct ethtool_fec_stats *fec_stats)
{
struct efx_nic *efx = netdev_priv(net_dev);
if (efx->type->get_fec_stats)
efx->type->get_fec_stats(efx, fec_stats);
}
static int efx_ethtool_get_ts_info(struct net_device *net_dev,
struct ethtool_ts_info *ts_info)
{
@ -257,6 +266,7 @@ const struct ethtool_ops efx_ethtool_ops = {
.get_module_eeprom = efx_ethtool_get_module_eeprom,
.get_link_ksettings = efx_ethtool_get_link_ksettings,
.set_link_ksettings = efx_ethtool_set_link_ksettings,
.get_fec_stats = efx_ethtool_get_fec_stats,
.get_fecparam = efx_ethtool_get_fecparam,
.set_fecparam = efx_ethtool_set_fecparam,
};

3
drivers/net/ethernet/sfc/net_driver.h
View file

@ -1187,6 +1187,7 @@ struct efx_udp_tunnel {
* @get_wol: Get WoL configuration from driver state
* @set_wol: Push WoL configuration to the NIC
* @resume_wol: Synchronise WoL state between driver and MC (e.g. after resume)
* @get_fec_stats: Get standard FEC statistics.
* @test_chip: Test registers. May use efx_farch_test_registers(), and is
* expected to reset the NIC.
* @test_nvram: Test validity of NVRAM contents
@ -1332,6 +1333,8 @@ struct efx_nic_type {
void (*get_wol)(struct efx_nic *efx, struct ethtool_wolinfo *wol);
int (*set_wol)(struct efx_nic *efx, u32 type);
void (*resume_wol)(struct efx_nic *efx);
void (*get_fec_stats)(struct efx_nic *efx,
struct ethtool_fec_stats *fec_stats);
unsigned int (*check_caps)(const struct efx_nic *efx,
u8 flag,
u32 offset);