net/mlx5e: Convert stats groups array to array of group pointers

Convert stats groups array to array of "stats group" pointers to allow
sharing and individual selection of groups per profile as illustrated in
the next patches.
Signed-off-by: NSaeed Mahameed <saeedm@mellanox.com>
Reviewed-by: NTariq Toukan <tariqt@mellanox.com>

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

@@ -893,7 +893,7 @@ struct mlx5e_profile {
 	void	(*update_stats)(struct mlx5e_priv *priv);
 	void	(*update_carrier)(struct mlx5e_priv *priv);
 	unsigned int (*stats_grps_num)(struct mlx5e_priv *priv);
-	const struct mlx5e_stats_grp *stats_grps;
+	mlx5e_stats_grp_t *stats_grps;
 	struct {
 		mlx5e_fp_handle_rx_cqe handle_rx_cqe;
 		mlx5e_fp_handle_rx_cqe handle_rx_cqe_mpwqe;

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

@@ -164,9 +164,9 @@ void mlx5e_update_ndo_stats(struct mlx5e_priv *priv)
 	int i;
 
 	for (i = mlx5e_nic_stats_grps_num(priv) - 1; i >= 0; i--)
-		if (mlx5e_nic_stats_grps[i].update_stats_mask &
+		if (mlx5e_nic_stats_grps[i]->update_stats_mask &
 		    MLX5E_NDO_UPDATE_STATS)
-			mlx5e_nic_stats_grps[i].update_stats(priv);
+			mlx5e_nic_stats_grps[i]->update_stats(priv);
 }
 
 static void mlx5e_update_stats_work(struct work_struct *work)

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

@@ -43,46 +43,46 @@ static unsigned int stats_grps_num(struct mlx5e_priv *priv)
 
 unsigned int mlx5e_stats_total_num(struct mlx5e_priv *priv)
 {
-	const struct mlx5e_stats_grp *stats_grps = priv->profile->stats_grps;
+	mlx5e_stats_grp_t *stats_grps = priv->profile->stats_grps;
 	const unsigned int num_stats_grps = stats_grps_num(priv);
 	unsigned int total = 0;
 	int i;
 
 	for (i = 0; i < num_stats_grps; i++)
-		total += stats_grps[i].get_num_stats(priv);
+		total += stats_grps[i]->get_num_stats(priv);
 
 	return total;
 }
 
 void mlx5e_stats_update(struct mlx5e_priv *priv)
 {
-	const struct mlx5e_stats_grp *stats_grps = priv->profile->stats_grps;
+	mlx5e_stats_grp_t *stats_grps = priv->profile->stats_grps;
 	const unsigned int num_stats_grps = stats_grps_num(priv);
 	int i;
 
 	for (i = num_stats_grps - 1; i >= 0; i--)
-		if (stats_grps[i].update_stats)
-			stats_grps[i].update_stats(priv);
+		if (stats_grps[i]->update_stats)
+			stats_grps[i]->update_stats(priv);
 }
 
 void mlx5e_stats_fill(struct mlx5e_priv *priv, u64 *data, int idx)
 {
-	const struct mlx5e_stats_grp *stats_grps = priv->profile->stats_grps;
+	mlx5e_stats_grp_t *stats_grps = priv->profile->stats_grps;
 	const unsigned int num_stats_grps = stats_grps_num(priv);
 	int i;
 
 	for (i = 0; i < num_stats_grps; i++)
-		idx = stats_grps[i].fill_stats(priv, data, idx);
+		idx = stats_grps[i]->fill_stats(priv, data, idx);
 }
 
 void mlx5e_stats_fill_strings(struct mlx5e_priv *priv, u8 *data)
 {
-	const struct mlx5e_stats_grp *stats_grps = priv->profile->stats_grps;
+	mlx5e_stats_grp_t *stats_grps = priv->profile->stats_grps;
 	const unsigned int num_stats_grps = stats_grps_num(priv);
 	int i, idx = 0;
 
 	for (i = 0; i < num_stats_grps; i++)
-		idx = stats_grps[i].fill_strings(priv, data, idx);
+		idx = stats_grps[i]->fill_strings(priv, data, idx);
 }
 
 /* Concrete NIC Stats */
@@ -1700,24 +1700,41 @@ static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(channels)
 
 static MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(channels) { return; }
 
+static MLX5E_DEFINE_STATS_GRP(sw, 0);
+static MLX5E_DEFINE_STATS_GRP(qcnt, MLX5E_NDO_UPDATE_STATS);
+static MLX5E_DEFINE_STATS_GRP(vnic_env, 0);
+static MLX5E_DEFINE_STATS_GRP(vport, MLX5E_NDO_UPDATE_STATS);
+static MLX5E_DEFINE_STATS_GRP(802_3, MLX5E_NDO_UPDATE_STATS);
+static MLX5E_DEFINE_STATS_GRP(2863, 0);
+static MLX5E_DEFINE_STATS_GRP(2819, 0);
+static MLX5E_DEFINE_STATS_GRP(phy, 0);
+static MLX5E_DEFINE_STATS_GRP(pcie, 0);
+static MLX5E_DEFINE_STATS_GRP(per_prio, 0);
+static MLX5E_DEFINE_STATS_GRP(pme, 0);
+static MLX5E_DEFINE_STATS_GRP(channels, 0);
+static MLX5E_DEFINE_STATS_GRP(per_port_buff_congest, 0);
+static MLX5E_DEFINE_STATS_GRP(eth_ext, 0);
+static MLX5E_DEFINE_STATS_GRP(ipsec, 0);
+static MLX5E_DEFINE_STATS_GRP(tls, 0);
+
 /* The stats groups order is opposite to the update_stats() order calls */
-const struct mlx5e_stats_grp mlx5e_nic_stats_grps[] = {
-	MLX5E_DEFINE_STATS_GRP(sw, 0),
-	MLX5E_DEFINE_STATS_GRP(qcnt, MLX5E_NDO_UPDATE_STATS),
-	MLX5E_DEFINE_STATS_GRP(vnic_env, 0),
-	MLX5E_DEFINE_STATS_GRP(vport, MLX5E_NDO_UPDATE_STATS),
-	MLX5E_DEFINE_STATS_GRP(802_3, MLX5E_NDO_UPDATE_STATS),
-	MLX5E_DEFINE_STATS_GRP(2863, 0),
-	MLX5E_DEFINE_STATS_GRP(2819, 0),
-	MLX5E_DEFINE_STATS_GRP(phy, 0),
-	MLX5E_DEFINE_STATS_GRP(eth_ext, 0),
-	MLX5E_DEFINE_STATS_GRP(pcie, 0),
-	MLX5E_DEFINE_STATS_GRP(per_prio, 0),
-	MLX5E_DEFINE_STATS_GRP(pme, 0),
-	MLX5E_DEFINE_STATS_GRP(ipsec, 0),
-	MLX5E_DEFINE_STATS_GRP(tls, 0),
-	MLX5E_DEFINE_STATS_GRP(channels, 0),
-	MLX5E_DEFINE_STATS_GRP(per_port_buff_congest, 0),
+mlx5e_stats_grp_t mlx5e_nic_stats_grps[] = {
+	&MLX5E_STATS_GRP(sw),
+	&MLX5E_STATS_GRP(qcnt),
+	&MLX5E_STATS_GRP(vnic_env),
+	&MLX5E_STATS_GRP(vport),
+	&MLX5E_STATS_GRP(802_3),
+	&MLX5E_STATS_GRP(2863),
+	&MLX5E_STATS_GRP(2819),
+	&MLX5E_STATS_GRP(phy),
+	&MLX5E_STATS_GRP(eth_ext),
+	&MLX5E_STATS_GRP(pcie),
+	&MLX5E_STATS_GRP(per_prio),
+	&MLX5E_STATS_GRP(pme),
+	&MLX5E_STATS_GRP(ipsec),
+	&MLX5E_STATS_GRP(tls),
+	&MLX5E_STATS_GRP(channels),
+	&MLX5E_STATS_GRP(per_port_buff_congest),
 };
 
 unsigned int mlx5e_nic_stats_grps_num(struct mlx5e_priv *priv)

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

@@ -69,6 +69,8 @@ struct mlx5e_stats_grp {
 	void (*update_stats)(struct mlx5e_priv *priv);
 };
 
+typedef const struct mlx5e_stats_grp *const mlx5e_stats_grp_t;
+
 #define MLX5E_STATS_GRP_OP(grp, name) mlx5e_stats_grp_ ## grp ## _ ## name
 
 #define MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(grp) \
@@ -83,7 +85,13 @@ struct mlx5e_stats_grp {
 #define MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(grp) \
 	int MLX5E_STATS_GRP_OP(grp, fill_stats)(struct mlx5e_priv *priv, u64 *data, int idx)
 
-#define MLX5E_DEFINE_STATS_GRP(grp, mask) { \
+#define MLX5E_STATS_GRP(grp) mlx5e_stats_grp_ ## grp
+
+#define MLX5E_DECLARE_STATS_GRP(grp) \
+	const struct mlx5e_stats_grp MLX5E_STATS_GRP(grp)
+
+#define MLX5E_DEFINE_STATS_GRP(grp, mask) \
+MLX5E_DECLARE_STATS_GRP(grp) = { \
 	.get_num_stats = MLX5E_STATS_GRP_OP(grp, num_stats), \
 	.fill_stats    = MLX5E_STATS_GRP_OP(grp, fill_stats), \
 	.fill_strings  = MLX5E_STATS_GRP_OP(grp, fill_strings), \
@@ -365,7 +373,7 @@ struct mlx5e_stats {
 	struct mlx5e_pcie_stats pcie;
 };
 
-extern const struct mlx5e_stats_grp mlx5e_nic_stats_grps[];
+extern mlx5e_stats_grp_t mlx5e_nic_stats_grps[];
 unsigned int mlx5e_nic_stats_grps_num(struct mlx5e_priv *priv);
 
 MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(802_3);