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Index: sys/dev/sfxge/common/efx.h
===================================================================
--- sys/dev/sfxge/common/efx.h
+++ sys/dev/sfxge/common/efx.h
@@ -157,9 +157,22 @@
__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(
Index: sys/dev/sfxge/common/efx_impl.h
===================================================================
--- sys/dev/sfxge/common/efx_impl.h
+++ sys/dev/sfxge/common/efx_impl.h
@@ -675,6 +675,7 @@
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;
Index: sys/dev/sfxge/common/efx_mcdi.c
===================================================================
--- sys/dev/sfxge/common/efx_mcdi.c
+++ sys/dev/sfxge/common/efx_mcdi.c
@@ -1293,13 +1293,19 @@
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);
Index: sys/dev/sfxge/common/efx_nic.c
===================================================================
--- sys/dev/sfxge/common/efx_nic.c
+++ sys/dev/sfxge/common/efx_nic.c
@@ -319,7 +319,8 @@
__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;
@@ -330,7 +331,27 @@
#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;
Index: sys/dev/sfxge/sfxge.c
===================================================================
--- sys/dev/sfxge/sfxge.c
+++ sys/dev/sfxge/sfxge.c
@@ -748,7 +748,7 @@
/* Probe the NIC and build the configuration data area. */
DBGPRINT(sc->dev, "nic_probe...");
- if ((error = efx_nic_probe(enp)) != 0)
+ if ((error = efx_nic_probe(enp, EFX_FW_VARIANT_DONT_CARE)) != 0)
goto fail5;
if (!ISP2(sfxge_rx_ring_entries) ||

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