From: Igor Romanov <igor.romanov@oktetlabs.ru>
The mport ID is required to set appropriate egress mport ID
in Tx prefix for port representor TxQ.
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 | 21 +++++++++
drivers/common/sfc_efx/base/efx_mae.c | 64 +++++++++++++++++++++++++++
drivers/common/sfc_efx/version.map | 1 +
3 files changed, 86 insertions(+)
@@ -4181,6 +4181,19 @@ typedef struct efx_mport_sel_s {
uint32_t sel;
} efx_mport_sel_t;
+/*
+ * MPORT ID. Used to refer dynamically to a specific MPORT.
+ * The difference between MPORT selector and MPORT ID is that
+ * selector can specify an exact MPORT ID or it can specify a
+ * pattern by which an exact MPORT ID can be selected. For example,
+ * static MPORT selector can specify MPORT of a current PF, which
+ * will be translated to the dynamic MPORT ID based on which PF is
+ * using that MPORT selector.
+ */
+typedef struct efx_mport_id_s {
+ uint32_t id;
+} efx_mport_id_t;
+
#define EFX_MPORT_NULL (0U)
/*
@@ -4210,6 +4223,14 @@ efx_mae_mport_by_pcie_function(
__in uint32_t vf,
__out efx_mport_sel_t *mportp);
+/* Get MPORT ID by an MPORT selector */
+LIBEFX_API
+extern __checkReturn efx_rc_t
+efx_mae_mport_id_by_selector(
+ __in efx_nic_t *enp,
+ __in const efx_mport_sel_t *mport_selectorp,
+ __out efx_mport_id_t *mport_idp);
+
/*
* Fields which have BE postfix in their named constants are expected
* to be passed by callers in big-endian byte order. They will appear
@@ -731,6 +731,70 @@ efx_mae_mport_by_pcie_function(
return (0);
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+ return (rc);
+}
+
+static __checkReturn efx_rc_t
+efx_mcdi_mae_mport_lookup(
+ __in efx_nic_t *enp,
+ __in const efx_mport_sel_t *mport_selectorp,
+ __out efx_mport_id_t *mport_idp)
+{
+ efx_mcdi_req_t req;
+ EFX_MCDI_DECLARE_BUF(payload,
+ MC_CMD_MAE_MPORT_LOOKUP_IN_LEN,
+ MC_CMD_MAE_MPORT_LOOKUP_OUT_LEN);
+ efx_rc_t rc;
+
+ req.emr_cmd = MC_CMD_MAE_MPORT_LOOKUP;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_MAE_MPORT_LOOKUP_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_MAE_MPORT_LOOKUP_OUT_LEN;
+
+ MCDI_IN_SET_DWORD(req, MAE_MPORT_LOOKUP_IN_MPORT_SELECTOR,
+ mport_selectorp->sel);
+
+ efx_mcdi_execute(enp, &req);
+
+ if (req.emr_rc != 0) {
+ rc = req.emr_rc;
+ goto fail1;
+ }
+
+ mport_idp->id = MCDI_OUT_DWORD(req, MAE_MPORT_LOOKUP_OUT_MPORT_ID);
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+efx_mae_mport_id_by_selector(
+ __in efx_nic_t *enp,
+ __in const efx_mport_sel_t *mport_selectorp,
+ __out efx_mport_id_t *mport_idp)
+{
+ const efx_nic_cfg_t *encp = efx_nic_cfg_get(enp);
+ efx_rc_t rc;
+
+ if (encp->enc_mae_supported == B_FALSE) {
+ rc = ENOTSUP;
+ goto fail1;
+ }
+
+ rc = efx_mcdi_mae_mport_lookup(enp, mport_selectorp, mport_idp);
+ if (rc != 0)
+ goto fail2;
+
+ return (0);
+
fail2:
EFSYS_PROBE(fail2);
fail1:
@@ -126,6 +126,7 @@ INTERNAL {
efx_mae_match_specs_equal;
efx_mae_mport_by_pcie_function;
efx_mae_mport_by_phy_port;
+ efx_mae_mport_id_by_selector;
efx_mae_outer_rule_insert;
efx_mae_outer_rule_remove;