net/mlx5e: Add counter for XDP redirect in RX

Add per-ring and total stats for received packets that
goes into XDP redirection.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c

@@ -69,6 +69,7 @@ bool mlx5e_xdp_handle(struct mlx5e_rq *rq, struct mlx5e_dma_info *di,
 			rq->xdpsq.db.redirect_flush = true;
 			mlx5e_page_dma_unmap(rq, di);
 		}
+		rq->stats->xdp_redirect++;
 		return true;
 	default:
 		bpf_warn_invalid_xdp_action(act);

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

@@ -59,6 +59,7 @@ static const struct counter_desc sw_stats_desc[] = {
 	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_csum_complete) },
 	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_csum_unnecessary_inner) },
 	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_xdp_drop) },
+	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_xdp_redirect) },
 	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_xdp_tx) },
 	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_xdp_tx_cqe) },
 	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_xdp_tx_full) },
@@ -142,6 +143,7 @@ void mlx5e_grp_sw_update_stats(struct mlx5e_priv *priv)
 		s->rx_csum_unnecessary += rq_stats->csum_unnecessary;
 		s->rx_csum_unnecessary_inner += rq_stats->csum_unnecessary_inner;
 		s->rx_xdp_drop += rq_stats->xdp_drop;
+		s->rx_xdp_redirect += rq_stats->xdp_redirect;
 		s->rx_xdp_tx += rq_stats->xdp_tx;
 		s->rx_xdp_tx_cqe  += rq_stats->xdp_tx_cqe;
 		s->rx_xdp_tx_full += rq_stats->xdp_tx_full;
@@ -1126,6 +1128,7 @@ static const struct counter_desc rq_stats_desc[] = {
 	{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, csum_unnecessary_inner) },
 	{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, csum_none) },
 	{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, xdp_drop) },
+	{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, xdp_redirect) },
 	{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, xdp_tx) },
 	{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, xdp_tx_cqe) },
 	{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, xdp_tx_full) },

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

@@ -70,6 +70,7 @@ struct mlx5e_sw_stats {
 	u64 rx_csum_complete;
 	u64 rx_csum_unnecessary_inner;
 	u64 rx_xdp_drop;
+	u64 rx_xdp_redirect;
 	u64 rx_xdp_tx;
 	u64 rx_xdp_tx_cqe;
 	u64 rx_xdp_tx_full;
@@ -178,6 +179,7 @@ struct mlx5e_rq_stats {
 	u64 lro_bytes;
 	u64 removed_vlan_packets;
 	u64 xdp_drop;
+	u64 xdp_redirect;
 	u64 xdp_tx;
 	u64 xdp_tx_cqe;
 	u64 xdp_tx_full;