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Index: head/sys/dev/sfxge/common/ef10_nic.c
===================================================================
--- head/sys/dev/sfxge/common/ef10_nic.c
+++ head/sys/dev/sfxge/common/ef10_nic.c
@@ -497,7 +497,8 @@
efx_mcdi_get_capabilities(
__in efx_nic_t *enp,
__out uint32_t *flagsp,
- __out uint32_t *flags2p)
+ __out uint32_t *flags2p,
+ __out uint32_t *tso2ncp)
{
efx_mcdi_req_t req;
uint8_t payload[MAX(MC_CMD_GET_CAPABILITIES_IN_LEN,
@@ -525,10 +526,14 @@
*flagsp = MCDI_OUT_DWORD(req, GET_CAPABILITIES_OUT_FLAGS1);
- if (req.emr_out_length_used < MC_CMD_GET_CAPABILITIES_V2_OUT_LEN)
+ if (req.emr_out_length_used < MC_CMD_GET_CAPABILITIES_V2_OUT_LEN) {
*flags2p = 0;
- else
+ *tso2ncp = 0;
+ } else {
*flags2p = MCDI_OUT_DWORD(req, GET_CAPABILITIES_V2_OUT_FLAGS2);
+ *tso2ncp = MCDI_OUT_WORD(req,
+ GET_CAPABILITIES_V2_OUT_TX_TSO_V2_N_CONTEXTS);
+ }
return (0);
@@ -963,9 +968,11 @@
efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
uint32_t flags;
uint32_t flags2;
+ uint32_t tso2nc;
efx_rc_t rc;
- if ((rc = efx_mcdi_get_capabilities(enp, &flags, &flags2)) != 0)
+ if ((rc = efx_mcdi_get_capabilities(enp, &flags, &flags2,
+ &tso2nc)) != 0)
goto fail1;
#define CAP_FLAG(flags1, field) \
@@ -992,6 +999,10 @@
encp->enc_fw_assisted_tso_v2_enabled =
CAP_FLAG2(flags2, TX_TSO_V2) ? B_TRUE : B_FALSE;
+ /* Get the number of TSO contexts (FATSOv2) */
+ encp->enc_fw_assisted_tso_v2_n_contexts =
+ CAP_FLAG2(flags2, TX_TSO_V2) ? tso2nc : 0;
+
/* Check if the firmware has vadapter/vport/vswitch support */
encp->enc_datapath_cap_evb =
CAP_FLAG(flags, EVB) ? B_TRUE : B_FALSE;
Index: head/sys/dev/sfxge/common/efx.h
===================================================================
--- head/sys/dev/sfxge/common/efx.h
+++ head/sys/dev/sfxge/common/efx.h
@@ -1141,6 +1141,8 @@
uint32_t enc_tx_tso_tcp_header_offset_limit;
boolean_t enc_fw_assisted_tso_enabled;
boolean_t enc_fw_assisted_tso_v2_enabled;
+ /* Number of TSO contexts on the NIC (FATSOv2) */
+ uint32_t enc_fw_assisted_tso_v2_n_contexts;
boolean_t enc_hw_tx_insert_vlan_enabled;
/* Datapath firmware vadapter/vport/vswitch support */
boolean_t enc_datapath_cap_evb;
Index: head/sys/dev/sfxge/common/siena_nic.c
===================================================================
--- head/sys/dev/sfxge/common/siena_nic.c
+++ head/sys/dev/sfxge/common/siena_nic.c
@@ -152,6 +152,7 @@
encp->enc_hw_tx_insert_vlan_enabled = B_FALSE;
encp->enc_fw_assisted_tso_enabled = B_FALSE;
encp->enc_fw_assisted_tso_v2_enabled = B_FALSE;
+ encp->enc_fw_assisted_tso_v2_n_contexts = 0;
encp->enc_allow_set_mac_with_installed_filters = B_TRUE;
/* Siena supports two 10G ports, and 8 lanes of PCIe Gen2 */

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