[PATCH v4 1/3] common/sfc_efx/base: report VLAN stripping capability

[Artemii Morozov <artemii.morozov@arknetworks.am>]

These changes are necessary in order to add support for stripping
VLAN tags in the future.

Signed-off-by: Artemii Morozov <artemii.morozov@arknetworks.am>
Reviewed-by: Ivan Malov <ivan.malov@arknetworks.am>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>
---
 drivers/common/sfc_efx/base/ef10_nic.c  | 6 ++++++
 drivers/common/sfc_efx/base/efx.h       | 1 +
 drivers/common/sfc_efx/base/siena_nic.c | 1 +
 3 files changed, 8 insertions(+)

diff --git a/drivers/common/sfc_efx/base/ef10_nic.c b/drivers/common/sfc_efx/base/ef10_nic.c
index e1709d1200..501ce2e37c 100644
--- a/drivers/common/sfc_efx/base/ef10_nic.c
+++ b/drivers/common/sfc_efx/base/ef10_nic.c
@@ -1227,6 +1227,12 @@ ef10_get_datapath_caps(
 	else
 		encp->enc_init_evq_extended_width_supported = B_FALSE;
 
+	/* Check if firmware supports VLAN stripping. */
+	if (CAP_FLAGS1(req, RX_VLAN_STRIPPING))
+		encp->enc_rx_vlan_stripping = B_TRUE;
+	else
+		encp->enc_rx_vlan_stripping = B_FALSE;
+
 	/*
 	 * Check if the NO_CONT_EV mode for RX events is supported.
 	 */
diff --git a/drivers/common/sfc_efx/base/efx.h b/drivers/common/sfc_efx/base/efx.h
index 49e29dcc1c..ac89b418e0 100644
--- a/drivers/common/sfc_efx/base/efx.h
+++ b/drivers/common/sfc_efx/base/efx.h
@@ -1638,6 +1638,7 @@ typedef struct efx_nic_cfg_s {
 	boolean_t		enc_pm_and_rxdp_counters;
 	boolean_t		enc_mac_stats_40g_tx_size_bins;
 	uint32_t		enc_tunnel_encapsulations_supported;
+	boolean_t		enc_rx_vlan_stripping;
 	/*
 	 * NIC global maximum for unique UDP tunnel ports shared by all
 	 * functions.
diff --git a/drivers/common/sfc_efx/base/siena_nic.c b/drivers/common/sfc_efx/base/siena_nic.c
index 9f14faf271..451ca81bd7 100644
--- a/drivers/common/sfc_efx/base/siena_nic.c
+++ b/drivers/common/sfc_efx/base/siena_nic.c
@@ -189,6 +189,7 @@ siena_board_cfg(
 	encp->enc_rx_var_packed_stream_supported = B_FALSE;
 	encp->enc_rx_es_super_buffer_supported = B_FALSE;
 	encp->enc_fw_subvariant_no_tx_csum_supported = B_FALSE;
+	encp->enc_rx_vlan_stripping = B_FALSE;
 
 	/* Siena supports two 10G ports, and 8 lanes of PCIe Gen2 */
 	encp->enc_required_pcie_bandwidth_mbps = 2 * 10000;
-- 
2.34.1