[PATCH v2 06/70] net/ice/base: added auto drop blocking packets functionality

[Qi Zhang <qi.z.zhang@intel.com>]

Extended ice_aq_set_mac_cfg()function to add support for
auto drop blocking packets.

Signed-off-by: Mateusz Rusinski <mateusz.rusinski@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
 drivers/net/ice/base/ice_common.c | 22 ++++++++++++++++++++--
 drivers/net/ice/base/ice_common.h |  5 ++++-
 drivers/net/ice/base/ice_type.h   |  6 ++++++
 drivers/net/ice/ice_ethdev.c      |  2 +-
 4 files changed, 31 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ice/base/ice_common.c b/drivers/net/ice/base/ice_common.c
index edc24030ec..f9640d9403 100644
--- a/drivers/net/ice/base/ice_common.c
+++ b/drivers/net/ice/base/ice_common.c
@@ -788,12 +788,14 @@ ice_fill_tx_timer_and_fc_thresh(struct ice_hw *hw,
  * ice_aq_set_mac_cfg
  * @hw: pointer to the HW struct
  * @max_frame_size: Maximum Frame Size to be supported
+ * @auto_drop: Tell HW to drop packets if TC queue is blocked
  * @cd: pointer to command details structure or NULL
  *
  * Set MAC configuration (0x0603)
  */
 enum ice_status
-ice_aq_set_mac_cfg(struct ice_hw *hw, u16 max_frame_size, struct ice_sq_cd *cd)
+ice_aq_set_mac_cfg(struct ice_hw *hw, u16 max_frame_size, bool auto_drop,
+		   struct ice_sq_cd *cd)
 {
 	struct ice_aqc_set_mac_cfg *cmd;
 	struct ice_aq_desc desc;
@@ -807,6 +809,8 @@ ice_aq_set_mac_cfg(struct ice_hw *hw, u16 max_frame_size, struct ice_sq_cd *cd)
 
 	cmd->max_frame_size = CPU_TO_LE16(max_frame_size);
 
+	if (ice_is_fw_auto_drop_supported(hw) && auto_drop)
+		cmd->drop_opts |= ICE_AQ_SET_MAC_AUTO_DROP_BLOCKING_PKTS;
 	ice_fill_tx_timer_and_fc_thresh(hw, cmd);
 
 	return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
@@ -1106,7 +1110,8 @@ enum ice_status ice_init_hw(struct ice_hw *hw)
 		goto err_unroll_fltr_mgmt_struct;
 
 	/* enable jumbo frame support at MAC level */
-	status = ice_aq_set_mac_cfg(hw, ICE_AQ_SET_MAC_FRAME_SIZE_MAX, NULL);
+	status = ice_aq_set_mac_cfg(hw, ICE_AQ_SET_MAC_FRAME_SIZE_MAX, false,
+				    NULL);
 	if (status)
 		goto err_unroll_fltr_mgmt_struct;
 
@@ -5921,3 +5926,16 @@ bool ice_fw_supports_report_dflt_cfg(struct ice_hw *hw)
 	}
 	return false;
 }
+/**
+ * ice_is_fw_auto_drop_supported
+ * @hw: pointer to the hardware structure
+ *
+ * Checks if the firmware supports auto drop feature
+ */
+bool ice_is_fw_auto_drop_supported(struct ice_hw *hw)
+{
+	if (hw->api_maj_ver >= ICE_FW_API_AUTO_DROP_MAJ &&
+	    hw->api_min_ver >= ICE_FW_API_AUTO_DROP_MIN)
+		return true;
+	return false;
+}
diff --git a/drivers/net/ice/base/ice_common.h b/drivers/net/ice/base/ice_common.h
index 1044a3088e..1051cc1176 100644
--- a/drivers/net/ice/base/ice_common.h
+++ b/drivers/net/ice/base/ice_common.h
@@ -191,7 +191,8 @@ enum ice_status
 ice_aq_set_link_restart_an(struct ice_port_info *pi, bool ena_link,
 			   struct ice_sq_cd *cd);
 enum ice_status
-ice_aq_set_mac_cfg(struct ice_hw *hw, u16 max_frame_size, struct ice_sq_cd *cd);
+ice_aq_set_mac_cfg(struct ice_hw *hw, u16 max_frame_size, bool auto_drop,
+		   struct ice_sq_cd *cd);
 enum ice_status
 ice_aq_get_link_info(struct ice_port_info *pi, bool ena_lse,
 		     struct ice_link_status *link, struct ice_sq_cd *cd);
@@ -289,4 +290,6 @@ ice_aq_write_i2c(struct ice_hw *hw, struct ice_aqc_link_topo_addr topo_addr,
 		 u16 bus_addr, __le16 addr, u8 params, u8 *data,
 		 struct ice_sq_cd *cd);
 bool ice_fw_supports_report_dflt_cfg(struct ice_hw *hw);
+/* AQ API version for FW auto drop reports */
+bool ice_is_fw_auto_drop_supported(struct ice_hw *hw);
 #endif /* _ICE_COMMON_H_ */
diff --git a/drivers/net/ice/base/ice_type.h b/drivers/net/ice/base/ice_type.h
index 3da3de38af..15b12bfc8d 100644
--- a/drivers/net/ice/base/ice_type.h
+++ b/drivers/net/ice/base/ice_type.h
@@ -1539,5 +1539,11 @@ struct ice_aq_get_set_rss_lut_params {
 /* AQ API version for report default configuration */
 #define ICE_FW_API_REPORT_DFLT_CFG_MAJ		1
 #define ICE_FW_API_REPORT_DFLT_CFG_MIN		7
+
 #define ICE_FW_API_REPORT_DFLT_CFG_PATCH	3
+/* AQ API version for FW auto drop reports */
+#define ICE_FW_API_AUTO_DROP_MAJ		1
+#define ICE_FW_API_AUTO_DROP_MIN		4
+
+
 #endif /* _ICE_TYPE_H_ */
diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c
index 587b01cf23..2e522376e3 100644
--- a/drivers/net/ice/ice_ethdev.c
+++ b/drivers/net/ice/ice_ethdev.c
@@ -3662,7 +3662,7 @@ ice_dev_start(struct rte_eth_dev *dev)
 		ICE_FRAME_SIZE_MAX;
 
 	/* Set the max frame size to HW*/
-	ice_aq_set_mac_cfg(hw, max_frame_size, NULL);
+	ice_aq_set_mac_cfg(hw, max_frame_size, false, NULL);
 
 	if (ad->devargs.pps_out_ena) {
 		ret = ice_pps_out_cfg(hw, pin_idx, timer);
-- 
2.31.1