[dpdk-dev] [PATCH v2 04/10] common/sfc_efx/base: add RECIRC ID match in action rules API

[Ivan Malov]

Currently, there is an API for setting recirculation ID in
outer rules. Add an API to let action rules match on it.

Signed-off-by: Ivan Malov <ivan.malov at oktetlabs.ru>
Reviewed-by: Andrew Rybchenko <andrew.rybchenko at oktetlabs.ru>
---
 drivers/common/sfc_efx/base/efx.h     | 13 ++++++++++
 drivers/common/sfc_efx/base/efx_mae.c | 36 ++++++++++++++++++++++++---
 drivers/common/sfc_efx/version.map    |  1 +
 3 files changed, 46 insertions(+), 4 deletions(-)

diff --git a/drivers/common/sfc_efx/base/efx.h b/drivers/common/sfc_efx/base/efx.h
index ca747de7a4..22f5edfedd 100644
--- a/drivers/common/sfc_efx/base/efx.h
+++ b/drivers/common/sfc_efx/base/efx.h
@@ -4177,6 +4177,11 @@ typedef enum efx_mae_field_id_e {
 	EFX_MAE_FIELD_ENC_HAS_OVLAN,
 	EFX_MAE_FIELD_ENC_HAS_IVLAN,
 
+	/*
+	 * Fields which can be set by efx_mae_match_spec_field_set()
+	 * or by using dedicated field-specific helper APIs.
+	 */
+	EFX_MAE_FIELD_RECIRC_ID,
 	EFX_MAE_FIELD_NIDS
 } efx_mae_field_id_t;
 
@@ -4251,6 +4256,12 @@ efx_mae_match_spec_mport_set(
 	__in				const efx_mport_sel_t *valuep,
 	__in_opt			const efx_mport_sel_t *maskp);
 
+LIBEFX_API
+extern	__checkReturn			efx_rc_t
+efx_mae_match_spec_recirc_id_set(
+	__in				efx_mae_match_spec_t *spec,
+	__in				uint8_t recirc_id);
+
 LIBEFX_API
 extern	__checkReturn			boolean_t
 efx_mae_match_specs_equal(
@@ -4387,6 +4398,8 @@ typedef struct efx_mae_rule_id_s {
 
 /*
  * Set the initial recirculation ID. It goes to action rule (AR) lookup.
+ *
+ * To match on this ID in an AR, use efx_mae_match_spec_recirc_id_set().
  */
 LIBEFX_API
 extern	__checkReturn			efx_rc_t
diff --git a/drivers/common/sfc_efx/base/efx_mae.c b/drivers/common/sfc_efx/base/efx_mae.c
index c37e90831f..80be922e51 100644
--- a/drivers/common/sfc_efx/base/efx_mae.c
+++ b/drivers/common/sfc_efx/base/efx_mae.c
@@ -473,6 +473,7 @@ typedef enum efx_mae_field_cap_id_e {
 	EFX_MAE_FIELD_ID_HAS_IVLAN = MAE_FIELD_HAS_IVLAN,
 	EFX_MAE_FIELD_ID_ENC_HAS_OVLAN = MAE_FIELD_ENC_HAS_OVLAN,
 	EFX_MAE_FIELD_ID_ENC_HAS_IVLAN = MAE_FIELD_ENC_HAS_IVLAN,
+	EFX_MAE_FIELD_ID_RECIRC_ID = MAE_FIELD_RECIRC_ID,
 
 	EFX_MAE_FIELD_CAP_NIDS
 } efx_mae_field_cap_id_t;
@@ -519,10 +520,10 @@ static const efx_mae_mv_desc_t __efx_mae_action_rule_mv_desc_set[] = {
 	[EFX_MAE_FIELD_##_name] =					\
 	{								\
 		EFX_MAE_FIELD_ID_##_name,				\
-		MAE_FIELD_MASK_VALUE_PAIRS_##_name##_LEN,		\
-		MAE_FIELD_MASK_VALUE_PAIRS_##_name##_OFST,		\
-		MAE_FIELD_MASK_VALUE_PAIRS_##_name##_MASK_LEN,		\
-		MAE_FIELD_MASK_VALUE_PAIRS_##_name##_MASK_OFST,		\
+		MAE_FIELD_MASK_VALUE_PAIRS_V2_##_name##_LEN,		\
+		MAE_FIELD_MASK_VALUE_PAIRS_V2_##_name##_OFST,		\
+		MAE_FIELD_MASK_VALUE_PAIRS_V2_##_name##_MASK_LEN,	\
+		MAE_FIELD_MASK_VALUE_PAIRS_V2_##_name##_MASK_OFST,	\
 		0, 0 /* no alternative field */,			\
 		_endianness						\
 	}
@@ -547,6 +548,7 @@ static const efx_mae_mv_desc_t __efx_mae_action_rule_mv_desc_set[] = {
 	EFX_MAE_MV_DESC(TCP_FLAGS_BE, EFX_MAE_FIELD_BE),
 	EFX_MAE_MV_DESC(ENC_VNET_ID_BE, EFX_MAE_FIELD_BE),
 	EFX_MAE_MV_DESC(OUTER_RULE_ID, EFX_MAE_FIELD_LE),
+	EFX_MAE_MV_DESC(RECIRC_ID, EFX_MAE_FIELD_LE),
 
 #undef EFX_MAE_MV_DESC
 };
@@ -961,6 +963,32 @@ efx_mae_match_spec_mport_set(
 
 fail2:
 	EFSYS_PROBE(fail2);
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+	return (rc);
+}
+
+	__checkReturn			efx_rc_t
+efx_mae_match_spec_recirc_id_set(
+	__in				efx_mae_match_spec_t *spec,
+	__in				uint8_t recirc_id)
+{
+	uint8_t full_mask = UINT8_MAX;
+	const uint8_t *vp;
+	const uint8_t *mp;
+	efx_rc_t rc;
+
+	vp = (const uint8_t *)&recirc_id;
+	mp = (const uint8_t *)&full_mask;
+
+	rc = efx_mae_match_spec_field_set(spec, EFX_MAE_FIELD_RECIRC_ID,
+					  sizeof (recirc_id), vp,
+					  sizeof (full_mask), mp);
+	if (rc != 0)
+		goto fail1;
+
+	return (0);
+
 fail1:
 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
 	return (rc);
diff --git a/drivers/common/sfc_efx/version.map b/drivers/common/sfc_efx/version.map
index d4878dfb9a..f59f2d8de0 100644
--- a/drivers/common/sfc_efx/version.map
+++ b/drivers/common/sfc_efx/version.map
@@ -122,6 +122,7 @@ INTERNAL {
 	efx_mae_match_spec_is_valid;
 	efx_mae_match_spec_mport_set;
 	efx_mae_match_spec_outer_rule_id_set;
+	efx_mae_match_spec_recirc_id_set;
 	efx_mae_match_specs_class_cmp;
 	efx_mae_match_specs_equal;
 	efx_mae_mport_by_pcie_function;
-- 
2.20.1