net/sfc/base: support FW subvariant choice

[dpdk.git] / drivers / net / sfc / base / efx_nic.c

diff --git a/drivers/net/sfc/base/efx_nic.c b/drivers/net/sfc/base/efx_nic.c
index 8014dee..6c162e0 100644 (file)
--- a/drivers/net/sfc/base/efx_nic.c
+++ b/drivers/net/sfc/base/efx_nic.c
@@ -944,6 +944,82 @@ fail1:
        return (rc);
 }
 
+#if EFSYS_OPT_FW_SUBVARIANT_AWARE
+
+       __checkReturn   efx_rc_t
+efx_nic_get_fw_subvariant(
+       __in            efx_nic_t *enp,
+       __out           efx_nic_fw_subvariant_t *subvariantp)
+{
+       efx_rc_t rc;
+       uint32_t value;
+
+       rc = efx_mcdi_get_nic_global(enp,
+           MC_CMD_SET_NIC_GLOBAL_IN_FIRMWARE_SUBVARIANT, &value);
+       if (rc != 0)
+               goto fail1;
+
+       /* Mapping is not required since values match MCDI */
+       EFX_STATIC_ASSERT(EFX_NIC_FW_SUBVARIANT_DEFAULT ==
+           MC_CMD_SET_NIC_GLOBAL_IN_FW_SUBVARIANT_DEFAULT);
+       EFX_STATIC_ASSERT(EFX_NIC_FW_SUBVARIANT_NO_TX_CSUM ==
+           MC_CMD_SET_NIC_GLOBAL_IN_FW_SUBVARIANT_NO_TX_CSUM);
+
+       switch (value) {
+       case MC_CMD_SET_NIC_GLOBAL_IN_FW_SUBVARIANT_DEFAULT:
+       case MC_CMD_SET_NIC_GLOBAL_IN_FW_SUBVARIANT_NO_TX_CSUM:
+               *subvariantp = value;
+               break;
+       default:
+               rc = EINVAL;
+               goto fail2;
+       }
+
+       return (0);
+
+fail2:
+       EFSYS_PROBE(fail2);
+
+fail1:
+       EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+       return (rc);
+}
+
+       __checkReturn   efx_rc_t
+efx_nic_set_fw_subvariant(
+       __in            efx_nic_t *enp,
+       __in            efx_nic_fw_subvariant_t subvariant)
+{
+       efx_rc_t rc;
+
+       switch (subvariant) {
+       case EFX_NIC_FW_SUBVARIANT_DEFAULT:
+       case EFX_NIC_FW_SUBVARIANT_NO_TX_CSUM:
+               /* Mapping is not required since values match MCDI */
+               break;
+       default:
+               rc = EINVAL;
+               goto fail1;
+       }
+
+       rc = efx_mcdi_set_nic_global(enp,
+           MC_CMD_SET_NIC_GLOBAL_IN_FIRMWARE_SUBVARIANT, subvariant);
+       if (rc != 0)
+               goto fail2;
+
+       return (0);
+
+fail2:
+       EFSYS_PROBE(fail2);
+
+fail1:
+       EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+       return (rc);
+}
+
+#endif /* EFSYS_OPT_FW_SUBVARIANT_AWARE */
 
        __checkReturn   efx_rc_t
 efx_nic_check_pcie_link_speed(