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net/sfc/base: add MCDI agnostic wrapper for MAC stats clear

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If a libefx-based driver needs some way to clear port statistics,
then an MCDI agnostic method is required.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
This commit is contained in:
Ivan Malov 2017-03-03 12:49:24 +00:00 committed by Ferruh Yigit
parent 740e0ec32d
commit b5c94823dc
3 changed files with 30 additions and 0 deletions
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4
drivers/net/sfc/base/efx.h
View File

@ -559,6 +559,10 @@ efx_mac_stats_get_mask(
#define EFX_MAC_STATS_SIZE 0x400
extern __checkReturn efx_rc_t
efx_mac_stats_clear(
__in efx_nic_t *enp);
/*
* Upload mac statistics supported by the hardware into the given buffer.
*

1
drivers/net/sfc/base/efx_impl.h
View File

@ -198,6 +198,7 @@ typedef struct efx_mac_ops_s {
#endif /* EFSYS_OPT_LOOPBACK */
#if EFSYS_OPT_MAC_STATS
efx_rc_t (*emo_stats_get_mask)(efx_nic_t *, uint32_t *, size_t);
efx_rc_t (*emo_stats_clear)(efx_nic_t *);
efx_rc_t (*emo_stats_upload)(efx_nic_t *, efsys_mem_t *);
efx_rc_t (*emo_stats_periodic)(efx_nic_t *, efsys_mem_t *,
uint16_t, boolean_t);

25
drivers/net/sfc/base/efx_mac.c
View File

@ -55,6 +55,7 @@ static const efx_mac_ops_t __efx_siena_mac_ops = {
#endif /* EFSYS_OPT_LOOPBACK */
#if EFSYS_OPT_MAC_STATS
siena_mac_stats_get_mask, /* emo_stats_get_mask */
efx_mcdi_mac_stats_clear, /* emo_stats_clear */
efx_mcdi_mac_stats_upload, /* emo_stats_upload */
efx_mcdi_mac_stats_periodic, /* emo_stats_periodic */
siena_mac_stats_update /* emo_stats_update */
@ -79,6 +80,7 @@ static const efx_mac_ops_t __efx_ef10_mac_ops = {
#endif /* EFSYS_OPT_LOOPBACK */
#if EFSYS_OPT_MAC_STATS
ef10_mac_stats_get_mask, /* emo_stats_get_mask */
efx_mcdi_mac_stats_clear, /* emo_stats_clear */
efx_mcdi_mac_stats_upload, /* emo_stats_upload */
efx_mcdi_mac_stats_periodic, /* emo_stats_periodic */
ef10_mac_stats_update /* emo_stats_update */
@ -707,6 +709,29 @@ efx_mac_stats_get_mask(
return (0);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
__checkReturn efx_rc_t
efx_mac_stats_clear(
__in efx_nic_t *enp)
{
efx_port_t *epp = &(enp->en_port);
const efx_mac_ops_t *emop = epp->ep_emop;
efx_rc_t rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
EFSYS_ASSERT(emop != NULL);
if ((rc = emop->emo_stats_clear(enp)) != 0)
goto fail1;
return (0);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);