net: hns3: add support for forwarding packet to queues of specified TC when flow director rule hit

For some new device, it supports forwarding packet to queues
of specified TC when flow director rule hit. So extend the
command handle to support it.

Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

4 files changed, 27 insertions, 5 deletions

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
index 85986c7d71fa..b728be4737f8 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
@@ -359,6 +359,8 @@ static void hclge_parse_capability(struct hclge_dev *hdev,
 		set_bit(HNAE3_DEV_SUPPORT_HW_TX_CSUM_B, ae_dev->caps);
 	if (hnae3_get_bit(caps, HCLGE_CAP_UDP_TUNNEL_CSUM_B))
 		set_bit(HNAE3_DEV_SUPPORT_UDP_TUNNEL_CSUM_B, ae_dev->caps);
+	if (hnae3_get_bit(caps, HCLGE_CAP_FD_FORWARD_TC_B))
+		set_bit(HNAE3_DEV_SUPPORT_FD_FORWARD_TC_B, ae_dev->caps);
 }
 
 static enum hclge_cmd_status
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
index 52a6f9b11200..df5417d9698d 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
@@ -1051,6 +1051,9 @@ struct hclge_fd_tcam_config_3_cmd {
 #define HCLGE_FD_AD_WR_RULE_ID_B	0
 #define HCLGE_FD_AD_RULE_ID_S		1
 #define HCLGE_FD_AD_RULE_ID_M		GENMASK(13, 1)
+#define HCLGE_FD_AD_TC_OVRD_B		16
+#define HCLGE_FD_AD_TC_SIZE_S		17
+#define HCLGE_FD_AD_TC_SIZE_M		GENMASK(20, 17)
 
 struct hclge_fd_ad_config_cmd {
 	u8 stage;
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 366920bd5d21..0b6102e228d2 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -5099,6 +5099,7 @@ static int hclge_fd_tcam_config(struct hclge_dev *hdev, u8 stage, bool sel_x,
 static int hclge_fd_ad_config(struct hclge_dev *hdev, u8 stage, int loc,
 			      struct hclge_fd_ad_data *action)
 {
+	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev);
 	struct hclge_fd_ad_config_cmd *req;
 	struct hclge_desc desc;
 	u64 ad_data = 0;
@@ -5114,6 +5115,12 @@ static int hclge_fd_ad_config(struct hclge_dev *hdev, u8 stage, int loc,
 		      action->write_rule_id_to_bd);
 	hnae3_set_field(ad_data, HCLGE_FD_AD_RULE_ID_M, HCLGE_FD_AD_RULE_ID_S,
 			action->rule_id);
+	if (test_bit(HNAE3_DEV_SUPPORT_FD_FORWARD_TC_B, ae_dev->caps)) {
+		hnae3_set_bit(ad_data, HCLGE_FD_AD_TC_OVRD_B,
+			      action->override_tc);
+		hnae3_set_field(ad_data, HCLGE_FD_AD_TC_SIZE_M,
+				HCLGE_FD_AD_TC_SIZE_S, (u32)action->tc_size);
+	}
 	ad_data <<= 32;
 	hnae3_set_bit(ad_data, HCLGE_FD_AD_DROP_B, action->drop_packet);
 	hnae3_set_bit(ad_data, HCLGE_FD_AD_DIRECT_QID_B,
@@ -5357,16 +5364,22 @@ static int hclge_config_key(struct hclge_dev *hdev, u8 stage,
 static int hclge_config_action(struct hclge_dev *hdev, u8 stage,
 			       struct hclge_fd_rule *rule)
 {
+	struct hclge_vport *vport = hdev->vport;
+	struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
 	struct hclge_fd_ad_data ad_data;
 
+	memset(&ad_data, 0, sizeof(struct hclge_fd_ad_data));
 	ad_data.ad_id = rule->location;
 
 	if (rule->action == HCLGE_FD_ACTION_DROP_PACKET) {
 		ad_data.drop_packet = true;
-		ad_data.forward_to_direct_queue = false;
-		ad_data.queue_id = 0;
+	} else if (rule->action == HCLGE_FD_ACTION_SELECT_TC) {
+		ad_data.override_tc = true;
+		ad_data.queue_id =
+			kinfo->tc_info.tqp_offset[rule->tc];
+		ad_data.tc_size =
+			ilog2(kinfo->tc_info.tqp_count[rule->tc]);
 	} else {
-		ad_data.drop_packet = false;
 		ad_data.forward_to_direct_queue = true;
 		ad_data.queue_id = rule->queue_id;
 	}
@@ -5937,7 +5950,7 @@ static int hclge_add_fd_entry(struct hnae3_handle *handle,
 			return -EINVAL;
 		}
 
-		action = HCLGE_FD_ACTION_ACCEPT_PACKET;
+		action = HCLGE_FD_ACTION_SELECT_QUEUE;
 		q_index = ring;
 	}
 
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
index b3c1301f7dbc..a48106455f31 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
@@ -572,8 +572,9 @@ enum HCLGE_FD_PACKET_TYPE {
 };
 
 enum HCLGE_FD_ACTION {
-	HCLGE_FD_ACTION_ACCEPT_PACKET,
+	HCLGE_FD_ACTION_SELECT_QUEUE,
 	HCLGE_FD_ACTION_DROP_PACKET,
+	HCLGE_FD_ACTION_SELECT_TC,
 };
 
 struct hclge_fd_key_cfg {
@@ -619,6 +620,7 @@ struct hclge_fd_rule {
 	u32 unused_tuple;
 	u32 flow_type;
 	u8 action;
+	u8 tc;
 	u16 vf_id;
 	u16 queue_id;
 	u16 location;
@@ -637,6 +639,8 @@ struct hclge_fd_ad_data {
 	u8 write_rule_id_to_bd;
 	u8 next_input_key;
 	u16 rule_id;
+	u16 tc_size;
+	u8 override_tc;
 };
 
 enum HCLGE_MAC_NODE_STATE {