net/mlx5e: Switch RFC 2863 counters to use stats group API

Switch the RFC 2863 counters to use the new stats group API.
Signed-off-by: Kamal Heib <kamalh@mellanox.com>
Reviewed-by: Gal Pressman <galp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c

@@ -216,10 +216,6 @@ static void mlx5e_fill_stats_strings(struct mlx5e_priv *priv, u8 *data)
 	for (i = 0; i < mlx5e_num_stats_grps; i++)
 		idx = mlx5e_stats_grps[i].fill_strings(priv, data, idx);
 
-	for (i = 0; i < NUM_PPORT_2863_COUNTERS; i++)
-		strcpy(data + (idx++) * ETH_GSTRING_LEN,
-		       pport_2863_stats_desc[i].format);
-
 	for (i = 0; i < NUM_PPORT_2819_COUNTERS; i++)
 		strcpy(data + (idx++) * ETH_GSTRING_LEN,
 		       pport_2819_stats_desc[i].format);
@@ -344,10 +340,6 @@ void mlx5e_ethtool_get_ethtool_stats(struct mlx5e_priv *priv,
 	for (i = 0; i < mlx5e_num_stats_grps; i++)
 		idx = mlx5e_stats_grps[i].fill_stats(priv, data, idx);
 
-	for (i = 0; i < NUM_PPORT_2863_COUNTERS; i++)
-		data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.RFC_2863_counters,
-						  pport_2863_stats_desc, i);
-
 	for (i = 0; i < NUM_PPORT_2819_COUNTERS; i++)
 		data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.RFC_2819_counters,
 						  pport_2819_stats_desc, i);

drivers/net/ethernet/mellanox/mlx5/core/en_stats.c

@@ -249,6 +249,43 @@ static int mlx5e_grp_802_3_fill_stats(struct mlx5e_priv *priv, u64 *data,
 	return idx;
 }
 
+#define PPORT_2863_OFF(c) \
+	MLX5_BYTE_OFF(ppcnt_reg, \
+		      counter_set.eth_2863_cntrs_grp_data_layout.c##_high)
+static const struct counter_desc pport_2863_stats_desc[] = {
+	{ "rx_discards_phy", PPORT_2863_OFF(if_in_discards) },
+	{ "tx_discards_phy", PPORT_2863_OFF(if_out_discards) },
+	{ "tx_errors_phy", PPORT_2863_OFF(if_out_errors) },
+};
+
+#define NUM_PPORT_2863_COUNTERS		ARRAY_SIZE(pport_2863_stats_desc)
+
+static int mlx5e_grp_2863_get_num_stats(struct mlx5e_priv *priv)
+{
+	return NUM_PPORT_2863_COUNTERS;
+}
+
+static int mlx5e_grp_2863_fill_strings(struct mlx5e_priv *priv, u8 *data,
+				       int idx)
+{
+	int i;
+
+	for (i = 0; i < NUM_PPORT_2863_COUNTERS; i++)
+		strcpy(data + (idx++) * ETH_GSTRING_LEN, pport_2863_stats_desc[i].format);
+	return idx;
+}
+
+static int mlx5e_grp_2863_fill_stats(struct mlx5e_priv *priv, u64 *data,
+				     int idx)
+{
+	int i;
+
+	for (i = 0; i < NUM_PPORT_2863_COUNTERS; i++)
+		data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.RFC_2863_counters,
+						  pport_2863_stats_desc, i);
+	return idx;
+}
+
 const struct mlx5e_stats_grp mlx5e_stats_grps[] = {
 	{
 		.get_num_stats = mlx5e_grp_sw_get_num_stats,
@@ -270,6 +307,11 @@ const struct mlx5e_stats_grp mlx5e_stats_grps[] = {
 		.fill_strings = mlx5e_grp_802_3_fill_strings,
 		.fill_stats = mlx5e_grp_802_3_fill_stats,
 	},
+	{
+		.get_num_stats = mlx5e_grp_2863_get_num_stats,
+		.fill_strings = mlx5e_grp_2863_fill_strings,
+		.fill_stats = mlx5e_grp_2863_fill_stats,
+	},
 };
 
 const int mlx5e_num_stats_grps = ARRAY_SIZE(mlx5e_stats_grps);

drivers/net/ethernet/mellanox/mlx5/core/en_stats.h

@@ -105,9 +105,6 @@ struct mlx5e_vport_stats {
 #define PPORT_802_3_GET(pstats, c) \
 	MLX5_GET64(ppcnt_reg, pstats->IEEE_802_3_counters, \
 		   counter_set.eth_802_3_cntrs_grp_data_layout.c##_high)
-#define PPORT_2863_OFF(c) \
-	MLX5_BYTE_OFF(ppcnt_reg, \
-		      counter_set.eth_2863_cntrs_grp_data_layout.c##_high)
 #define PPORT_2863_GET(pstats, c) \
 	MLX5_GET64(ppcnt_reg, pstats->RFC_2863_counters, \
 		   counter_set.eth_2863_cntrs_grp_data_layout.c##_high)
@@ -147,12 +144,6 @@ struct mlx5e_pport_stats {
 	__be64 eth_ext_counters[MLX5_ST_SZ_QW(ppcnt_reg)];
 };
 
-static const struct counter_desc pport_2863_stats_desc[] = {
-	{ "rx_discards_phy", PPORT_2863_OFF(if_in_discards) },
-	{ "tx_discards_phy", PPORT_2863_OFF(if_out_discards) },
-	{ "tx_errors_phy", PPORT_2863_OFF(if_out_errors) },
-};
-
 static const struct counter_desc pport_2819_stats_desc[] = {
 	{ "rx_undersize_pkts_phy", PPORT_2819_OFF(ether_stats_undersize_pkts) },
 	{ "rx_fragments_phy", PPORT_2819_OFF(ether_stats_fragments) },
@@ -312,7 +303,6 @@ static const struct counter_desc sq_stats_desc[] = {
 	{ MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, xmit_more) },
 };
 
-#define NUM_PPORT_2863_COUNTERS		ARRAY_SIZE(pport_2863_stats_desc)
 #define NUM_PPORT_2819_COUNTERS		ARRAY_SIZE(pport_2819_stats_desc)
 #define NUM_PPORT_PHY_STATISTICAL_COUNTERS(priv) \
 	(ARRAY_SIZE(pport_phy_statistical_stats_desc) * \
@@ -333,8 +323,7 @@ static const struct counter_desc sq_stats_desc[] = {
 #define NUM_PPORT_ETH_EXT_COUNTERS(priv) \
 	(ARRAY_SIZE(pport_eth_ext_stats_desc) * \
 	 MLX5_CAP_PCAM_FEATURE((priv)->mdev, rx_buffer_fullness_counters))
-#define NUM_PPORT_COUNTERS(priv)	(NUM_PPORT_2863_COUNTERS  + \
-					 NUM_PPORT_2819_COUNTERS  + \
+#define NUM_PPORT_COUNTERS(priv)	(NUM_PPORT_2819_COUNTERS  + \
 					 NUM_PPORT_PHY_STATISTICAL_COUNTERS(priv) + \
 					 NUM_PPORT_PER_PRIO_TRAFFIC_COUNTERS * \
 					 NUM_PPORT_PRIO + \