This API allows to get number of installed filters. This will
be used in the future patches.

Signed-off-by: Artemii Morozov <artemii.moro...@arknetworks.am>
---
 drivers/common/sfc_efx/base/ef10_filter.c | 20 ++++++++++++++
 drivers/common/sfc_efx/base/ef10_impl.h   |  6 +++++
 drivers/common/sfc_efx/base/efx_filter.c  | 32 +++++++++++++++++++++++
 drivers/common/sfc_efx/base/efx_impl.h    |  7 +++++
 4 files changed, 65 insertions(+)

diff --git a/drivers/common/sfc_efx/base/ef10_filter.c 
b/drivers/common/sfc_efx/base/ef10_filter.c
index d6940011c0..278502fb61 100644
--- a/drivers/common/sfc_efx/base/ef10_filter.c
+++ b/drivers/common/sfc_efx/base/ef10_filter.c
@@ -2113,6 +2113,26 @@ ef10_filter_reconfigure(
        return (rc);
 }
 
+       __checkReturn   efx_rc_t
+ef10_filter_get_count(
+       __in    efx_nic_t *enp,
+       __out   uint32_t *count)
+{
+       ef10_filter_table_t *table = enp->en_filter.ef_ef10_filter_table;
+       uint32_t filters_count;
+
+       EFSYS_ASSERT(EFX_FAMILY_IS_EF100(enp) || EFX_FAMILY_IS_EF10(enp));
+       EFSYS_ASSERT(count != NULL);
+
+       filters_count = table->eft_unicst_filter_count +
+                       table->eft_mulcst_filter_count +
+                       table->eft_encap_filter_count;
+
+       *count = filters_count;
+
+       return (0);
+}
+
                void
 ef10_filter_get_default_rxq(
        __in            efx_nic_t *enp,
diff --git a/drivers/common/sfc_efx/base/ef10_impl.h 
b/drivers/common/sfc_efx/base/ef10_impl.h
index 877aedad45..914bba10ce 100644
--- a/drivers/common/sfc_efx/base/ef10_impl.h
+++ b/drivers/common/sfc_efx/base/ef10_impl.h
@@ -1347,6 +1347,12 @@ ef10_filter_reconfigure(
        __in_ecount(6*count)            uint8_t const *addrs,
        __in                            uint32_t count);
 
+LIBEFX_INTERNAL
+extern __checkReturn   efx_rc_t
+ef10_filter_get_count(
+       __in    efx_nic_t *enp,
+       __out   uint32_t *count);
+
 LIBEFX_INTERNAL
 extern         void
 ef10_filter_get_default_rxq(
diff --git a/drivers/common/sfc_efx/base/efx_filter.c 
b/drivers/common/sfc_efx/base/efx_filter.c
index 83c37ff859..064630a66b 100644
--- a/drivers/common/sfc_efx/base/efx_filter.c
+++ b/drivers/common/sfc_efx/base/efx_filter.c
@@ -53,6 +53,7 @@ static const efx_filter_ops_t __efx_filter_siena_ops = {
        siena_filter_delete,            /* efo_delete */
        siena_filter_supported_filters, /* efo_supported_filters */
        NULL,                           /* efo_reconfigure */
+       NULL,                           /* efo_get_count */
 };
 #endif /* EFSYS_OPT_SIENA */
 
@@ -65,6 +66,7 @@ static const efx_filter_ops_t __efx_filter_ef10_ops = {
        ef10_filter_delete,             /* efo_delete */
        ef10_filter_supported_filters,  /* efo_supported_filters */
        ef10_filter_reconfigure,        /* efo_reconfigure */
+       ef10_filter_get_count,          /* efo_get_count */
 };
 #endif /* EFX_OPTS_EF10() */
 
@@ -77,6 +79,7 @@ static const efx_filter_ops_t __efx_filter_rhead_ops = {
        ef10_filter_delete,             /* efo_delete */
        ef10_filter_supported_filters,  /* efo_supported_filters */
        ef10_filter_reconfigure,        /* efo_reconfigure */
+       ef10_filter_get_count,          /* efo_get_count */
 };
 #endif /* EFSYS_OPT_RIVERHEAD */
 
@@ -309,6 +312,35 @@ efx_filter_reconfigure(
 fail1:
        EFSYS_PROBE1(fail1, efx_rc_t, rc);
 
+       return (rc);
+}
+
+       __checkReturn   efx_rc_t
+efx_filter_get_count(
+       __in    efx_nic_t *enp,
+       __out   uint32_t *count)
+{
+       efx_rc_t rc;
+
+       EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+       EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
+       EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_FILTER);
+
+       if (enp->en_efop->efo_get_count == NULL) {
+               rc = ENOTSUP;
+               goto fail1;
+       }
+
+       if ((rc = enp->en_efop->efo_get_count(enp, count)) != 0)
+               goto fail2;
+
+       return (0);
+
+fail2:
+       EFSYS_PROBE(fail2);
+fail1:
+       EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
        return (rc);
 }
 
diff --git a/drivers/common/sfc_efx/base/efx_impl.h 
b/drivers/common/sfc_efx/base/efx_impl.h
index 92a30c34ae..91ba187c73 100644
--- a/drivers/common/sfc_efx/base/efx_impl.h
+++ b/drivers/common/sfc_efx/base/efx_impl.h
@@ -288,6 +288,7 @@ typedef struct efx_filter_ops_s {
        efx_rc_t        (*efo_reconfigure)(efx_nic_t *, uint8_t const *, 
boolean_t,
                                   boolean_t, boolean_t, boolean_t,
                                   uint8_t const *, uint32_t);
+       efx_rc_t        (*efo_get_count)(efx_nic_t *, uint32_t *);
 } efx_filter_ops_t;
 
 LIBEFX_INTERNAL
@@ -302,6 +303,12 @@ efx_filter_reconfigure(
        __in_ecount(6*count)            uint8_t const *addrs,
        __in                            uint32_t count);
 
+LIBEFX_INTERNAL
+extern __checkReturn   efx_rc_t
+efx_filter_get_count(
+       __in    efx_nic_t *enp,
+       __out   uint32_t *count);
+
 #endif /* EFSYS_OPT_FILTER */
 
 #if EFSYS_OPT_TUNNEL
-- 
2.34.1

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