net/hns3: replace max private macro

[dpdk.git] / drivers / net / hns3 / hns3_mbx.c

diff --git a/drivers/net/hns3/hns3_mbx.c b/drivers/net/hns3/hns3_mbx.c
index 34c8c68..2510582 100644 (file)
--- a/drivers/net/hns3/hns3_mbx.c
+++ b/drivers/net/hns3/hns3_mbx.c
@@ -23,6 +23,7 @@
 #include "hns3_regs.h"
 #include "hns3_logs.h"
 #include "hns3_intr.h"
+#include "hns3_rxtx.h"
 
 #define HNS3_CMD_CODE_OFFSET           2
 
@@ -326,6 +327,30 @@ hns3_handle_link_change_event(struct hns3_hw *hw,
        hns3_update_link_status(hw);
 }
 
+static void
+hns3_update_port_base_vlan_info(struct hns3_hw *hw,
+                               struct hns3_mbx_pf_to_vf_cmd *req)
+{
+#define PVID_STATE_OFFSET      1
+       uint16_t new_pvid_state = req->msg[PVID_STATE_OFFSET] ?
+               HNS3_PORT_BASE_VLAN_ENABLE : HNS3_PORT_BASE_VLAN_DISABLE;
+       /*
+        * Currently, hardware doesn't support more than two layers VLAN offload
+        * based on hns3 network engine, which would cause packets loss or wrong
+        * packets for these types of packets. If the hns3 PF kernel ethdev
+        * driver sets the PVID for VF device after initialization of the
+        * related VF device, the PF driver will notify VF driver to update the
+        * PVID configuration state. The VF driver will update the PVID
+        * configuration state immediately to ensure that the VLAN process in Tx
+        * and Rx is correct. But in the window period of this state transition,
+        * packets loss or packets with wrong VLAN may occur.
+        */
+       if (hw->port_base_vlan_cfg.state != new_pvid_state) {
+               hw->port_base_vlan_cfg.state = new_pvid_state;
+               hns3_update_all_queues_pvid_state(hw);
+       }
+}
+
 static void
 hns3_handle_promisc_info(struct hns3_hw *hw, uint16_t promisc_en)
 {
@@ -399,6 +424,14 @@ hns3_dev_handle_mbx_msg(struct hns3_hw *hw)
                case HNS3_MBX_PUSH_LINK_STATUS:
                        hns3_handle_link_change_event(hw, req);
                        break;
+               case HNS3_MBX_PUSH_VLAN_INFO:
+                       /*
+                        * When the PVID configuration status of VF device is
+                        * changed by the hns3 PF kernel driver, VF driver will
+                        * receive this mailbox message from PF driver.
+                        */
+                       hns3_update_port_base_vlan_info(hw, req);
+                       break;
                case HNS3_MBX_PUSH_PROMISC_INFO:
                        /*
                         * When the trust status of VF device changed by the