sfc: bare bones TC offload on EF100

[linux-block.git] / drivers / net / ethernet / sfc / mcdi.h

diff --git a/drivers/net/ethernet/sfc/mcdi.h b/drivers/net/ethernet/sfc/mcdi.h
index 26bc69f768016ad8d0c6689178656a103b34cc36..1f18e9dc62e8d00e6bac063d0e8dc9b4a7868046 100644 (file)
--- a/drivers/net/ethernet/sfc/mcdi.h
+++ b/drivers/net/ethernet/sfc/mcdi.h
@@ -201,6 +201,12 @@ void efx_mcdi_sensor_event(struct efx_nic *efx, efx_qword_t *ev);
        ((u8 *)(_buf) + (_offset))
 #define MCDI_PTR(_buf, _field)                                         \
        _MCDI_PTR(_buf, MC_CMD_ ## _field ## _OFST)
+/* Use MCDI_STRUCT_ functions to access members of MCDI structuredefs.
+ * _buf should point to the start of the structure, typically obtained with
+ * MCDI_DECLARE_STRUCT_PTR(structure) = _MCDI_DWORD(mcdi_buf, FIELD_WHICH_IS_STRUCT);
+ */
+#define MCDI_STRUCT_PTR(_buf, _field)                                  \
+       _MCDI_PTR(_buf, _field ## _OFST)
 #define _MCDI_CHECK_ALIGN(_ofst, _align)                               \
        ((_ofst) + BUILD_BUG_ON_ZERO((_ofst) & (_align - 1)))
 #define _MCDI_DWORD(_buf, _field)                                      \
@@ -208,6 +214,10 @@ void efx_mcdi_sensor_event(struct efx_nic *efx, efx_qword_t *ev);
 #define _MCDI_STRUCT_DWORD(_buf, _field)                               \
        ((_buf) + (_MCDI_CHECK_ALIGN(_field ## _OFST, 4) >> 2))
 
+#define MCDI_STRUCT_SET_BYTE(_buf, _field, _value) do {                        \
+       BUILD_BUG_ON(_field ## _LEN != 1);                              \
+       *(u8 *)MCDI_STRUCT_PTR(_buf, _field) = _value;                  \
+       } while (0)
 #define MCDI_BYTE(_buf, _field)                                                \
        ((void)BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 1),       \
         *MCDI_PTR(_buf, _field))