[dpdk-dev] [PATCH 14/38] common/sfc_efx/base: add mport alias MCDI wrappers

[Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>]

From: Igor Romanov <igor.romanov@oktetlabs.ru>

The APIs allow creation of mports for port representor
traffic filtering.

Signed-off-by: Igor Romanov <igor.romanov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>
Reviewed-by: Ivan Malov <ivan.malov@oktetlabs.ru>
---
 drivers/common/sfc_efx/base/efx.h     | 13 ++++
 drivers/common/sfc_efx/base/efx_mae.c | 90 +++++++++++++++++++++++++++
 drivers/common/sfc_efx/version.map    |  2 +
 3 files changed, 105 insertions(+)

diff --git a/drivers/common/sfc_efx/base/efx.h b/drivers/common/sfc_efx/base/efx.h
index a59c2e47ef..0a178128ba 100644
--- a/drivers/common/sfc_efx/base/efx.h
+++ b/drivers/common/sfc_efx/base/efx.h
@@ -4599,6 +4599,19 @@ efx_mae_action_rule_remove(
 	__in				efx_nic_t *enp,
 	__in				const efx_mae_rule_id_t *ar_idp);
 
+LIBEFX_API
+extern	__checkReturn			efx_rc_t
+efx_mcdi_mport_alloc_alias(
+	__in				efx_nic_t *enp,
+	__out				efx_mport_id_t *mportp,
+	__out_opt			uint32_t *labelp);
+
+LIBEFX_API
+extern	__checkReturn			efx_rc_t
+efx_mae_mport_free(
+	__in				efx_nic_t *enp,
+	__in				const efx_mport_id_t *mportp);
+
 #endif /* EFSYS_OPT_MAE */
 
 #if EFSYS_OPT_VIRTIO
diff --git a/drivers/common/sfc_efx/base/efx_mae.c b/drivers/common/sfc_efx/base/efx_mae.c
index f5d981f973..3f498fe189 100644
--- a/drivers/common/sfc_efx/base/efx_mae.c
+++ b/drivers/common/sfc_efx/base/efx_mae.c
@@ -3142,4 +3142,94 @@ efx_mae_action_rule_remove(
 	return (rc);
 }
 
+	__checkReturn			efx_rc_t
+efx_mcdi_mport_alloc_alias(
+	__in				efx_nic_t *enp,
+	__out				efx_mport_id_t *mportp,
+	__out_opt			uint32_t *labelp)
+{
+	const efx_nic_cfg_t *encp = efx_nic_cfg_get(enp);
+	efx_mcdi_req_t req;
+	EFX_MCDI_DECLARE_BUF(payload,
+	    MC_CMD_MAE_MPORT_ALLOC_ALIAS_IN_LEN,
+	    MC_CMD_MAE_MPORT_ALLOC_ALIAS_OUT_LEN);
+	efx_rc_t rc;
+
+	if (encp->enc_mae_supported == B_FALSE) {
+		rc = ENOTSUP;
+		goto fail1;
+	}
+
+	req.emr_cmd = MC_CMD_MAE_MPORT_ALLOC;
+	req.emr_in_buf = payload;
+	req.emr_in_length = MC_CMD_MAE_MPORT_ALLOC_ALIAS_IN_LEN;
+	req.emr_out_buf = payload;
+	req.emr_out_length = MC_CMD_MAE_MPORT_ALLOC_ALIAS_OUT_LEN;
+
+	MCDI_IN_SET_DWORD(req, MAE_MPORT_ALLOC_IN_TYPE,
+			  MC_CMD_MAE_MPORT_ALLOC_IN_MPORT_TYPE_ALIAS);
+	MCDI_IN_SET_DWORD(req, MAE_MPORT_ALLOC_ALIAS_IN_DELIVER_MPORT,
+			  MAE_MPORT_SELECTOR_ASSIGNED);
+
+	efx_mcdi_execute(enp, &req);
+
+	if (req.emr_rc != 0) {
+		rc = req.emr_rc;
+		goto fail2;
+	}
+
+	mportp->id = MCDI_OUT_DWORD(req, MAE_MPORT_ALLOC_OUT_MPORT_ID);
+	if (labelp != NULL)
+		*labelp = MCDI_OUT_DWORD(req, MAE_MPORT_ALLOC_ALIAS_OUT_LABEL);
+
+	return (0);
+
+fail2:
+	EFSYS_PROBE(fail2);
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+	return (rc);
+}
+
+	__checkReturn			efx_rc_t
+efx_mae_mport_free(
+	__in				efx_nic_t *enp,
+	__in				const efx_mport_id_t *mportp)
+{
+	const efx_nic_cfg_t *encp = efx_nic_cfg_get(enp);
+	efx_mcdi_req_t req;
+	EFX_MCDI_DECLARE_BUF(payload,
+	    MC_CMD_MAE_MPORT_FREE_IN_LEN,
+	    MC_CMD_MAE_MPORT_FREE_OUT_LEN);
+	efx_rc_t rc;
+
+	if (encp->enc_mae_supported == B_FALSE) {
+		rc = ENOTSUP;
+		goto fail1;
+	}
+
+	req.emr_cmd = MC_CMD_MAE_MPORT_FREE;
+	req.emr_in_buf = payload;
+	req.emr_in_length = MC_CMD_MAE_MPORT_FREE_IN_LEN;
+	req.emr_out_buf = payload;
+	req.emr_out_length = MC_CMD_MAE_MPORT_FREE_OUT_LEN;
+
+	MCDI_IN_SET_DWORD(req, MAE_MPORT_FREE_IN_MPORT_ID, mportp->id);
+
+	efx_mcdi_execute(enp, &req);
+
+	if (req.emr_rc != 0) {
+		rc = req.emr_rc;
+		goto fail2;
+	}
+
+	return (0);
+
+fail2:
+	EFSYS_PROBE(fail2);
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+	return (rc);
+}
+
 #endif /* EFSYS_OPT_MAE */
diff --git a/drivers/common/sfc_efx/version.map b/drivers/common/sfc_efx/version.map
index 8c5d813c19..3488367f68 100644
--- a/drivers/common/sfc_efx/version.map
+++ b/drivers/common/sfc_efx/version.map
@@ -127,6 +127,7 @@ INTERNAL {
 	efx_mae_mport_by_pcie_function;
 	efx_mae_mport_by_phy_port;
 	efx_mae_mport_by_id;
+	efx_mae_mport_free;
 	efx_mae_mport_id_by_selector;
 	efx_mae_mport_invalid;
 	efx_mae_outer_rule_insert;
@@ -136,6 +137,7 @@ INTERNAL {
 	efx_mcdi_get_proxy_handle;
 	efx_mcdi_get_timeout;
 	efx_mcdi_init;
+	efx_mcdi_mport_alloc_alias;
 	efx_mcdi_new_epoch;
 	efx_mcdi_reboot;
 	efx_mcdi_request_abort;
-- 
2.30.2