net: hns: bugfix about pfc pause frame statistics

For SoC hip06, PFC pause handled in dsaf, while hip05 in XGMAC,
so change the statistics of pfc pause in dsaf and remove the old
pfc pause frame statistics.

Signed-off-by: Daode Huang <huangdaode@hisilicon.com>
Signed-off-by: Yisen Zhuang <Yisen.Zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 64 insertions, 8 deletions

diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
index b8b2ff990ff1..0edea9c3b8da 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
@@ -2096,11 +2096,24 @@ void hns_dsaf_fix_mac_mode(struct hns_mac_cb *mac_cb)
 	hns_dsaf_port_work_rate_cfg(dsaf_dev, mac_id, mode);
 }
 
+static u32 hns_dsaf_get_inode_prio_reg(int index)
+{
+	int base_index, offset;
+	u32 base_addr = DSAF_INODE_IN_PRIO_PAUSE_BASE_REG;
+
+	base_index = (index + 1) / DSAF_REG_PER_ZONE;
+	offset = (index + 1) % DSAF_REG_PER_ZONE;
+
+	return base_addr + DSAF_INODE_IN_PRIO_PAUSE_BASE_OFFSET * base_index +
+		DSAF_INODE_IN_PRIO_PAUSE_OFFSET * offset;
+}
+
 void hns_dsaf_update_stats(struct dsaf_device *dsaf_dev, u32 node_num)
 {
 	struct dsaf_hw_stats *hw_stats
 		= &dsaf_dev->hw_stats[node_num];
 	bool is_ver1 = AE_IS_VER1(dsaf_dev->dsaf_ver);
+	int i;
 	u32 reg_tmp;
 
 	hw_stats->pad_drop += dsaf_read_dev(dsaf_dev,
@@ -2135,6 +2148,18 @@ void hns_dsaf_update_stats(struct dsaf_device *dsaf_dev, u32 node_num)
 	hw_stats->stp_drop += dsaf_read_dev(dsaf_dev,
 		DSAF_INODE_IN_DATA_STP_DISC_0_REG + 0x80 * (u64)node_num);
 
+	/* pfc pause frame statistics stored in dsaf inode*/
+	if ((node_num < DSAF_SERVICE_NW_NUM) && !is_ver1) {
+		for (i = 0; i < DSAF_PRIO_NR; i++) {
+			reg_tmp = hns_dsaf_get_inode_prio_reg(i);
+			hw_stats->rx_pfc[i] += dsaf_read_dev(dsaf_dev,
+				reg_tmp + 0x4 * (u64)node_num);
+			hw_stats->tx_pfc[i] += dsaf_read_dev(dsaf_dev,
+				DSAF_XOD_XGE_PFC_PRIO_CNT_BASE_REG +
+				DSAF_XOD_XGE_PFC_PRIO_CNT_OFFSET * i +
+				0xF0 * (u64)node_num);
+		}
+	}
 	hw_stats->tx_pkts += dsaf_read_dev(dsaf_dev,
 		DSAF_XOD_RCVPKT_CNT_0_REG + 0x90 * (u64)node_num);
 }
@@ -2472,9 +2497,12 @@ void hns_dsaf_get_regs(struct dsaf_device *ddev, u32 port, void *data)
 		p[i] = 0xdddddddd;
 }
 
-static char *hns_dsaf_get_node_stats_strings(char *data, int node)
+static char *hns_dsaf_get_node_stats_strings(char *data, int node,
+					     struct dsaf_device *dsaf_dev)
 {
 	char *buff = data;
+	int i;
+	bool is_ver1 = AE_IS_VER1(dsaf_dev->dsaf_ver);
 
 	snprintf(buff, ETH_GSTRING_LEN, "innod%d_pad_drop_pkts", node);
 	buff = buff + ETH_GSTRING_LEN;
@@ -2502,6 +2530,18 @@ static char *hns_dsaf_get_node_stats_strings(char *data, int node)
 	buff = buff + ETH_GSTRING_LEN;
 	snprintf(buff, ETH_GSTRING_LEN, "innod%d_stp_drop_pkts", node);
 	buff = buff + ETH_GSTRING_LEN;
+	if ((node < DSAF_SERVICE_NW_NUM) && (!is_ver1)) {
+		for (i = 0; i < DSAF_PRIO_NR; i++) {
+			snprintf(buff, ETH_GSTRING_LEN,
+				 "inod%d_pfc_prio%d_pkts", node, i);
+			buff = buff + ETH_GSTRING_LEN;
+		}
+		for (i = 0; i < DSAF_PRIO_NR; i++) {
+			snprintf(buff, ETH_GSTRING_LEN,
+				 "onod%d_pfc_prio%d_pkts", node, i);
+			buff = buff + ETH_GSTRING_LEN;
+		}
+	}
 	snprintf(buff, ETH_GSTRING_LEN, "onnod%d_tx_pkts", node);
 	buff = buff + ETH_GSTRING_LEN;
 
@@ -2512,7 +2552,9 @@ static u64 *hns_dsaf_get_node_stats(struct dsaf_device *ddev, u64 *data,
 				    int node_num)
 {
 	u64 *p = data;
+	int i;
 	struct dsaf_hw_stats *hw_stats = &ddev->hw_stats[node_num];
+	bool is_ver1 = AE_IS_VER1(ddev->dsaf_ver);
 
 	p[0] = hw_stats->pad_drop;
 	p[1] = hw_stats->man_pkts;
@@ -2527,8 +2569,16 @@ static u64 *hns_dsaf_get_node_stats(struct dsaf_device *ddev, u64 *data,
 	p[10] = hw_stats->local_addr_false;
 	p[11] = hw_stats->vlan_drop;
 	p[12] = hw_stats->stp_drop;
-	p[13] = hw_stats->tx_pkts;
+	if ((node_num < DSAF_SERVICE_NW_NUM) && (!is_ver1)) {
+		for (i = 0; i < DSAF_PRIO_NR; i++) {
+			p[13 + i] = hw_stats->rx_pfc[i];
+			p[13 + i + DSAF_PRIO_NR] = hw_stats->tx_pfc[i];
+		}
+		p[29] = hw_stats->tx_pkts;
+		return &p[30];
+	}
 
+	p[13] = hw_stats->tx_pkts;
 	return &p[14];
 }
 
@@ -2556,11 +2606,16 @@ void hns_dsaf_get_stats(struct dsaf_device *ddev, u64 *data, int port)
  *@stringset: type of values in data
  *return dsaf string name count
  */
-int hns_dsaf_get_sset_count(int stringset)
+int hns_dsaf_get_sset_count(struct dsaf_device *dsaf_dev, int stringset)
 {
-	if (stringset == ETH_SS_STATS)
-		return DSAF_STATIC_NUM;
+	bool is_ver1 = AE_IS_VER1(dsaf_dev->dsaf_ver);
 
+	if (stringset == ETH_SS_STATS) {
+		if (is_ver1)
+			return DSAF_STATIC_NUM;
+		else
+			return DSAF_V2_STATIC_NUM;
+	}
 	return 0;
 }
 
@@ -2570,7 +2625,8 @@ int hns_dsaf_get_sset_count(int stringset)
  *@data:strings name value
  *@port:port index
  */
-void hns_dsaf_get_strings(int stringset, u8 *data, int port)
+void hns_dsaf_get_strings(int stringset, u8 *data, int port,
+			  struct dsaf_device *dsaf_dev)
 {
 	char *buff = (char *)data;
 	int node = port;
@@ -2579,11 +2635,11 @@ void hns_dsaf_get_strings(int stringset, u8 *data, int port)
 		return;
 
 	/* for ge/xge node info */
-	buff = hns_dsaf_get_node_stats_strings(buff, node);
+	buff = hns_dsaf_get_node_stats_strings(buff, node, dsaf_dev);
 
 	/* for ppe node info */
 	node = port + DSAF_PPE_INODE_BASE;
-	(void)hns_dsaf_get_node_stats_strings(buff, node);
+	(void)hns_dsaf_get_node_stats_strings(buff, node, dsaf_dev);
 }
 
 /**