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net/sfc/base: support choosing firmware variant

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Signed-off-by: Gautam Dawar <gdawar@solarflare.com>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
This commit is contained in:
Gautam Dawar 2018-03-26 13:50:34 +01:00 committed by Ferruh Yigit
parent 3f8a7537f0
commit d7cfb7828f
5 changed files with 48 additions and 7 deletions
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15
drivers/net/sfc/base/efx.h
View File

@ -129,9 +129,22 @@ efx_nic_create(
__in efsys_lock_t *eslp,
__deref_out efx_nic_t **enpp);
/* EFX_FW_VARIANT codes map one to one on MC_CMD_FW codes */
typedef enum efx_fw_variant_e {
EFX_FW_VARIANT_FULL_FEATURED,
EFX_FW_VARIANT_LOW_LATENCY,
EFX_FW_VARIANT_PACKED_STREAM,
EFX_FW_VARIANT_HIGH_TX_RATE,
EFX_FW_VARIANT_PACKED_STREAM_HASH_MODE_1,
EFX_FW_VARIANT_RULES_ENGINE,
EFX_FW_VARIANT_DPDK,
EFX_FW_VARIANT_DONT_CARE = 0xffffffff
} efx_fw_variant_t;
extern __checkReturn efx_rc_t
efx_nic_probe(
__in efx_nic_t *enp);
__in efx_nic_t *enp,
__in efx_fw_variant_t efv);
extern __checkReturn efx_rc_t
efx_nic_init(

1
drivers/net/sfc/base/efx_impl.h
View File

@ -647,6 +647,7 @@ struct efx_nic_s {
const efx_ev_ops_t *en_eevop;
const efx_tx_ops_t *en_etxop;
const efx_rx_ops_t *en_erxop;
efx_fw_variant_t efv;
#if EFSYS_OPT_FILTER
efx_filter_t en_filter;
const efx_filter_ops_t *en_efop;

14
drivers/net/sfc/base/efx_mcdi.c
View File

@ -1264,13 +1264,19 @@ efx_mcdi_drv_attach(
req.emr_out_length = MC_CMD_DRV_ATTACH_EXT_OUT_LEN;
/*
* Use DONT_CARE for the datapath firmware type to ensure that the
* driver can attach to an unprivileged function. The datapath firmware
* type to use is controlled by the 'sfboot' utility.
* Typically, client drivers use DONT_CARE for the datapath firmware
* type to ensure that the driver can attach to an unprivileged
* function. The datapath firmware type to use is controlled by the
* 'sfboot' utility.
* If a client driver wishes to attach with a specific datapath firmware
* type, that can be passed in second argument of efx_nic_probe API. One
* such example is the ESXi native driver that attempts attaching with
* FULL_FEATURED datapath firmware type first and fall backs to
* DONT_CARE datapath firmware type if MC_CMD_DRV_ATTACH fails.
*/
MCDI_IN_SET_DWORD(req, DRV_ATTACH_IN_NEW_STATE, attach ? 1 : 0);
MCDI_IN_SET_DWORD(req, DRV_ATTACH_IN_UPDATE, 1);
MCDI_IN_SET_DWORD(req, DRV_ATTACH_IN_FIRMWARE_ID, MC_CMD_FW_DONT_CARE);
MCDI_IN_SET_DWORD(req, DRV_ATTACH_IN_FIRMWARE_ID, enp->efv);
efx_mcdi_execute(enp, &req);

23
drivers/net/sfc/base/efx_nic.c
View File

@ -290,7 +290,8 @@ efx_nic_create(
__checkReturn efx_rc_t
efx_nic_probe(
__in efx_nic_t *enp)
__in efx_nic_t *enp,
__in efx_fw_variant_t efv)
{
const efx_nic_ops_t *enop;
efx_rc_t rc;
@ -301,7 +302,27 @@ efx_nic_probe(
#endif /* EFSYS_OPT_MCDI */
EFSYS_ASSERT(!(enp->en_mod_flags & EFX_MOD_PROBE));
/* Ensure FW variant codes match with MC_CMD_FW codes */
EFX_STATIC_ASSERT(EFX_FW_VARIANT_FULL_FEATURED ==
MC_CMD_FW_FULL_FEATURED);
EFX_STATIC_ASSERT(EFX_FW_VARIANT_LOW_LATENCY ==
MC_CMD_FW_LOW_LATENCY);
EFX_STATIC_ASSERT(EFX_FW_VARIANT_PACKED_STREAM ==
MC_CMD_FW_PACKED_STREAM);
EFX_STATIC_ASSERT(EFX_FW_VARIANT_HIGH_TX_RATE ==
MC_CMD_FW_HIGH_TX_RATE);
EFX_STATIC_ASSERT(EFX_FW_VARIANT_PACKED_STREAM_HASH_MODE_1 ==
MC_CMD_FW_PACKED_STREAM_HASH_MODE_1);
EFX_STATIC_ASSERT(EFX_FW_VARIANT_RULES_ENGINE ==
MC_CMD_FW_RULES_ENGINE);
EFX_STATIC_ASSERT(EFX_FW_VARIANT_DPDK ==
MC_CMD_FW_DPDK);
EFX_STATIC_ASSERT(EFX_FW_VARIANT_DONT_CARE ==
(int)MC_CMD_FW_DONT_CARE);
enop = enp->en_enop;
enp->efv = efv;
if ((rc = enop->eno_probe(enp)) != 0)
goto fail1;

2
drivers/net/sfc/sfc.c
View File

@ -780,7 +780,7 @@ sfc_probe(struct sfc_adapter *sa)
goto fail_mcdi_init;
sfc_log_init(sa, "probe nic");
rc = efx_nic_probe(enp);
rc = efx_nic_probe(enp, EFX_FW_VARIANT_DONT_CARE);
if (rc != 0)
goto fail_nic_probe;