[PATCH net-next 11/15] sfc_ef100: extend ef100_check_caps to cover datapath_caps3

[Edward Cree]

MC_CMD_GET_CAPABILITIES now has a third word of flags; extend the
 efx_has_cap() machinery to cover it.

Signed-off-by: Edward Cree <ec...@solarflare.com>
---
 drivers/net/ethernet/sfc/ef100_nic.c | 9 ++++++++-
 drivers/net/ethernet/sfc/ef100_nic.h | 1 +
 drivers/net/ethernet/sfc/mcdi.h      | 4 ++--
 3 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/sfc/ef100_nic.c 
b/drivers/net/ethernet/sfc/ef100_nic.c
index 06e9ae58f1c6..fe7a5c4bc291 100644
--- a/drivers/net/ethernet/sfc/ef100_nic.c
+++ b/drivers/net/ethernet/sfc/ef100_nic.c
@@ -128,7 +128,7 @@ static void ef100_mcdi_reboot_detected(struct efx_nic *efx)
  */
 static int efx_ef100_init_datapath_caps(struct efx_nic *efx)
 {
-       MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_CAPABILITIES_V4_OUT_LEN);
+       MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_CAPABILITIES_V7_OUT_LEN);
        struct ef100_nic_data *nic_data = efx->nic_data;
        u8 vi_window_mode;
        size_t outlen;
@@ -150,6 +150,11 @@ static int efx_ef100_init_datapath_caps(struct efx_nic 
*efx)
                                             GET_CAPABILITIES_OUT_FLAGS1);
        nic_data->datapath_caps2 = MCDI_DWORD(outbuf,
                                              GET_CAPABILITIES_V2_OUT_FLAGS2);
+       if (outlen < MC_CMD_GET_CAPABILITIES_V7_OUT_LEN)
+               nic_data->datapath_caps3 = 0;
+       else
+               nic_data->datapath_caps3 = MCDI_DWORD(outbuf,
+                                                     
GET_CAPABILITIES_V7_OUT_FLAGS3);
 
        vi_window_mode = MCDI_BYTE(outbuf,
                                   GET_CAPABILITIES_V3_OUT_VI_WINDOW_MODE);
@@ -349,6 +354,8 @@ static unsigned int ef100_check_caps(const struct efx_nic 
*efx,
                return nic_data->datapath_caps & BIT_ULL(flag);
        case MC_CMD_GET_CAPABILITIES_V8_OUT_FLAGS2_OFST:
                return nic_data->datapath_caps2 & BIT_ULL(flag);
+       case MC_CMD_GET_CAPABILITIES_V8_OUT_FLAGS3_OFST:
+               return nic_data->datapath_caps3 & BIT_ULL(flag);
        default:
                return 0;
        }
diff --git a/drivers/net/ethernet/sfc/ef100_nic.h 
b/drivers/net/ethernet/sfc/ef100_nic.h
index 392611cc33b5..7744ec85bec6 100644
--- a/drivers/net/ethernet/sfc/ef100_nic.h
+++ b/drivers/net/ethernet/sfc/ef100_nic.h
@@ -22,6 +22,7 @@ struct ef100_nic_data {
        struct efx_buffer mcdi_buf;
        u32 datapath_caps;
        u32 datapath_caps2;
+       u32 datapath_caps3;
        u16 warm_boot_count;
        DECLARE_BITMAP(evq_phases, EFX_MAX_CHANNELS);
 };
diff --git a/drivers/net/ethernet/sfc/mcdi.h b/drivers/net/ethernet/sfc/mcdi.h
index e053adfe82b0..658cf345420d 100644
--- a/drivers/net/ethernet/sfc/mcdi.h
+++ b/drivers/net/ethernet/sfc/mcdi.h
@@ -327,10 +327,10 @@ void efx_mcdi_sensor_event(struct efx_nic *efx, 
efx_qword_t *ev);
        EFX_QWORD_FIELD(_ev, MCDI_EVENT_ ## _field)
 
 #define MCDI_CAPABILITY(field)                                         \
-       MC_CMD_GET_CAPABILITIES_V4_OUT_ ## field ## _LBN
+       MC_CMD_GET_CAPABILITIES_V8_OUT_ ## field ## _LBN
 
 #define MCDI_CAPABILITY_OFST(field) \
-       MC_CMD_GET_CAPABILITIES_V4_OUT_ ## field ## _OFST
+       MC_CMD_GET_CAPABILITIES_V8_OUT_ ## field ## _OFST
 
 #define efx_has_cap(efx, field) \
        efx->type->check_caps(efx, \