From: Ivan Malov <ivan.ma...@oktetlabs.ru>
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.ma...@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybche...@solarflare.com>
---
drivers/net/sfc/base/efx.h | 4 ++++
drivers/net/sfc/base/efx_impl.h | 1 +
drivers/net/sfc/base/efx_mac.c | 25 +++++++++++++++++++++++++
3 files changed, 30 insertions(+)
diff --git a/drivers/net/sfc/base/efx.h b/drivers/net/sfc/base/efx.h
index 0815d7a..1d1c8bd 100644
--- a/drivers/net/sfc/base/efx.h
+++ b/drivers/net/sfc/base/efx.h
@@ -559,6 +559,10 @@ enum {
#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.
*
diff --git a/drivers/net/sfc/base/efx_impl.h b/drivers/net/sfc/base/efx_impl.h
index 3a520a8..a38dad4 100644
--- a/drivers/net/sfc/base/efx_impl.h
+++ b/drivers/net/sfc/base/efx_impl.h
@@ -198,6 +198,7 @@
#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);
diff --git a/drivers/net/sfc/base/efx_mac.c b/drivers/net/sfc/base/efx_mac.c
index c1d81ef..752e720 100644
--- a/drivers/net/sfc/base/efx_mac.c
+++ b/drivers/net/sfc/base/efx_mac.c
@@ -55,6 +55,7 @@
#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 @@
#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 */
@@ -714,6 +716,29 @@
}
__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);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
efx_mac_stats_upload(
__in efx_nic_t *enp,
__in efsys_mem_t *esmp)
--
1.8.2.3
