common/sfc_efx/base: add named constant for invalid VF

This makes existing code clearer. Also, it will be used by a later patch.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>

diff --git a/drivers/common/sfc_efx/base/efx.h b/drivers/common/sfc_efx/base/efx.h
index 1d29876..eefd79d 100644 (file)
--- a/drivers/common/sfc_efx/base/efx.h
+++ b/drivers/common/sfc_efx/base/efx.h
@@ -1603,11 +1603,13 @@ typedef struct efx_nic_cfg_s {
        uint32_t                enc_assigned_port;
 } efx_nic_cfg_t;
 
+#define        EFX_PCI_VF_INVALID 0xffff
+
 #define        EFX_VPORT_PCI_FUNCTION_IS_PF(configp) \
-       ((configp)->evc_function == 0xffff)
+       ((configp)->evc_function == EFX_PCI_VF_INVALID)
 
-#define        EFX_PCI_FUNCTION_IS_PF(_encp)   ((_encp)->enc_vf == 0xffff)
-#define        EFX_PCI_FUNCTION_IS_VF(_encp)   ((_encp)->enc_vf != 0xffff)
+#define        EFX_PCI_FUNCTION_IS_PF(_encp)   ((_encp)->enc_vf == EFX_PCI_VF_INVALID)
+#define        EFX_PCI_FUNCTION_IS_VF(_encp)   ((_encp)->enc_vf != EFX_PCI_VF_INVALID)
 
 #define        EFX_PCI_FUNCTION(_encp) \
        (EFX_PCI_FUNCTION_IS_PF(_encp) ? (_encp)->enc_pf : (_encp)->enc_vf)
@@ -3871,7 +3873,7 @@ typedef enum efx_vport_type_e {
 #define                EFX_VPORT_ID_INVALID    0
 
 typedef struct efx_vport_config_s {
-       /* Either VF index or 0xffff for PF */
+       /* Either VF index or EFX_PCI_VF_INVALID for PF */
        uint16_t        evc_function;
        /* VLAN ID of the associated function */
        uint16_t        evc_vid;